1 /* Graphical user interface functions for the Microsoft W32 API.
2 Copyright (C) 1989, 92, 93, 94, 95, 1996, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
22 /* Added by Kevin Gallo */
33 #include "dispextern.h"
40 #include "intervals.h"
41 #include "blockinput.h"
44 #include "termhooks.h"
49 #include "bitmaps/gray.xbm"
56 #define FILE_NAME_TEXT_FIELD edt1
58 void syms_of_w32fns ();
59 void globals_of_w32fns ();
60 static void init_external_image_libraries ();
62 extern void free_frame_menubar ();
63 extern double atof ();
64 extern int w32_console_toggle_lock_key
P_ ((int, Lisp_Object
));
65 extern void w32_menu_display_help
P_ ((HWND
, HMENU
, UINT
, UINT
));
66 extern void w32_free_menu_strings
P_ ((HWND
));
70 extern char *lispy_function_keys
[];
72 /* The gray bitmap `bitmaps/gray'. This is done because w32term.c uses
73 it, and including `bitmaps/gray' more than once is a problem when
74 config.h defines `static' as an empty replacement string. */
76 int gray_bitmap_width
= gray_width
;
77 int gray_bitmap_height
= gray_height
;
78 unsigned char *gray_bitmap_bits
= gray_bits
;
80 /* The colormap for converting color names to RGB values */
81 Lisp_Object Vw32_color_map
;
83 /* Non nil if alt key presses are passed on to Windows. */
84 Lisp_Object Vw32_pass_alt_to_system
;
86 /* Non nil if alt key is translated to meta_modifier, nil if it is translated
88 Lisp_Object Vw32_alt_is_meta
;
90 /* If non-zero, the windows virtual key code for an alternative quit key. */
91 Lisp_Object Vw32_quit_key
;
93 /* Non nil if left window key events are passed on to Windows (this only
94 affects whether "tapping" the key opens the Start menu). */
95 Lisp_Object Vw32_pass_lwindow_to_system
;
97 /* Non nil if right window key events are passed on to Windows (this
98 only affects whether "tapping" the key opens the Start menu). */
99 Lisp_Object Vw32_pass_rwindow_to_system
;
101 /* Virtual key code used to generate "phantom" key presses in order
102 to stop system from acting on Windows key events. */
103 Lisp_Object Vw32_phantom_key_code
;
105 /* Modifier associated with the left "Windows" key, or nil to act as a
107 Lisp_Object Vw32_lwindow_modifier
;
109 /* Modifier associated with the right "Windows" key, or nil to act as a
111 Lisp_Object Vw32_rwindow_modifier
;
113 /* Modifier associated with the "Apps" key, or nil to act as a normal
115 Lisp_Object Vw32_apps_modifier
;
117 /* Value is nil if Num Lock acts as a function key. */
118 Lisp_Object Vw32_enable_num_lock
;
120 /* Value is nil if Caps Lock acts as a function key. */
121 Lisp_Object Vw32_enable_caps_lock
;
123 /* Modifier associated with Scroll Lock, or nil to act as a normal key. */
124 Lisp_Object Vw32_scroll_lock_modifier
;
126 /* Switch to control whether we inhibit requests for synthesized bold
127 and italic versions of fonts. */
128 int w32_enable_synthesized_fonts
;
130 /* Enable palette management. */
131 Lisp_Object Vw32_enable_palette
;
133 /* Control how close left/right button down events must be to
134 be converted to a middle button down event. */
135 Lisp_Object Vw32_mouse_button_tolerance
;
137 /* Minimum interval between mouse movement (and scroll bar drag)
138 events that are passed on to the event loop. */
139 Lisp_Object Vw32_mouse_move_interval
;
141 /* Flag to indicate if XBUTTON events should be passed on to Windows. */
142 int w32_pass_extra_mouse_buttons_to_system
;
144 /* Non nil if no window manager is in use. */
145 Lisp_Object Vx_no_window_manager
;
147 /* Non-zero means we're allowed to display a hourglass pointer. */
149 int display_hourglass_p
;
151 /* The background and shape of the mouse pointer, and shape when not
152 over text or in the modeline. */
154 Lisp_Object Vx_pointer_shape
, Vx_nontext_pointer_shape
, Vx_mode_pointer_shape
;
155 Lisp_Object Vx_hourglass_pointer_shape
, Vx_window_horizontal_drag_shape
, Vx_hand_shape
;
157 /* The shape when over mouse-sensitive text. */
159 Lisp_Object Vx_sensitive_text_pointer_shape
;
162 #define IDC_HAND MAKEINTRESOURCE(32649)
165 /* Color of chars displayed in cursor box. */
167 Lisp_Object Vx_cursor_fore_pixel
;
169 /* Nonzero if using Windows. */
171 static int w32_in_use
;
173 /* Search path for bitmap files. */
175 Lisp_Object Vx_bitmap_file_path
;
177 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
179 Lisp_Object Vx_pixel_size_width_font_regexp
;
181 /* Alist of bdf fonts and the files that define them. */
182 Lisp_Object Vw32_bdf_filename_alist
;
184 /* A flag to control whether fonts are matched strictly or not. */
185 int w32_strict_fontnames
;
187 /* A flag to control whether we should only repaint if GetUpdateRect
188 indicates there is an update region. */
189 int w32_strict_painting
;
191 /* Associative list linking character set strings to Windows codepages. */
192 Lisp_Object Vw32_charset_info_alist
;
194 /* VIETNAMESE_CHARSET is not defined in some versions of MSVC. */
195 #ifndef VIETNAMESE_CHARSET
196 #define VIETNAMESE_CHARSET 163
200 Lisp_Object Qsuppress_icon
;
201 Lisp_Object Qundefined_color
;
203 Lisp_Object Qcancel_timer
;
209 Lisp_Object Qcontrol
;
212 Lisp_Object Qw32_charset_ansi
;
213 Lisp_Object Qw32_charset_default
;
214 Lisp_Object Qw32_charset_symbol
;
215 Lisp_Object Qw32_charset_shiftjis
;
216 Lisp_Object Qw32_charset_hangeul
;
217 Lisp_Object Qw32_charset_gb2312
;
218 Lisp_Object Qw32_charset_chinesebig5
;
219 Lisp_Object Qw32_charset_oem
;
221 #ifndef JOHAB_CHARSET
222 #define JOHAB_CHARSET 130
225 Lisp_Object Qw32_charset_easteurope
;
226 Lisp_Object Qw32_charset_turkish
;
227 Lisp_Object Qw32_charset_baltic
;
228 Lisp_Object Qw32_charset_russian
;
229 Lisp_Object Qw32_charset_arabic
;
230 Lisp_Object Qw32_charset_greek
;
231 Lisp_Object Qw32_charset_hebrew
;
232 Lisp_Object Qw32_charset_vietnamese
;
233 Lisp_Object Qw32_charset_thai
;
234 Lisp_Object Qw32_charset_johab
;
235 Lisp_Object Qw32_charset_mac
;
238 #ifdef UNICODE_CHARSET
239 Lisp_Object Qw32_charset_unicode
;
242 /* Prefix for system colors. */
243 #define SYSTEM_COLOR_PREFIX "System"
244 #define SYSTEM_COLOR_PREFIX_LEN (sizeof (SYSTEM_COLOR_PREFIX) - 1)
246 /* State variables for emulating a three button mouse. */
251 static int button_state
= 0;
252 static W32Msg saved_mouse_button_msg
;
253 static unsigned mouse_button_timer
= 0; /* non-zero when timer is active */
254 static W32Msg saved_mouse_move_msg
;
255 static unsigned mouse_move_timer
= 0;
257 /* Window that is tracking the mouse. */
258 static HWND track_mouse_window
;
260 typedef BOOL (WINAPI
* TrackMouseEvent_Proc
)
261 (IN OUT LPTRACKMOUSEEVENT lpEventTrack
);
263 TrackMouseEvent_Proc track_mouse_event_fn
= NULL
;
264 ClipboardSequence_Proc clipboard_sequence_fn
= NULL
;
266 /* W95 mousewheel handler */
267 unsigned int msh_mousewheel
= 0;
270 #define MOUSE_BUTTON_ID 1
271 #define MOUSE_MOVE_ID 2
272 #define MENU_FREE_ID 3
273 /* The delay (milliseconds) before a menu is freed after WM_EXITMENULOOP
275 #define MENU_FREE_DELAY 1000
276 static unsigned menu_free_timer
= 0;
278 /* The below are defined in frame.c. */
280 extern Lisp_Object Vwindow_system_version
;
283 int image_cache_refcount
, dpyinfo_refcount
;
287 /* From w32term.c. */
288 extern Lisp_Object Vw32_num_mouse_buttons
;
289 extern Lisp_Object Vw32_recognize_altgr
;
291 extern HWND w32_system_caret_hwnd
;
293 extern int w32_system_caret_height
;
294 extern int w32_system_caret_x
;
295 extern int w32_system_caret_y
;
296 extern int w32_use_visible_system_caret
;
298 static HWND w32_visible_system_caret_hwnd
;
301 /* Error if we are not connected to MS-Windows. */
306 error ("MS-Windows not in use or not initialized");
309 /* Nonzero if we can use mouse menus.
310 You should not call this unless HAVE_MENUS is defined. */
318 /* Extract a frame as a FRAME_PTR, defaulting to the selected frame
319 and checking validity for W32. */
322 check_x_frame (frame
)
328 frame
= selected_frame
;
329 CHECK_LIVE_FRAME (frame
);
331 if (! FRAME_W32_P (f
))
332 error ("non-w32 frame used");
336 /* Let the user specify a display with a frame.
337 nil stands for the selected frame--or, if that is not a w32 frame,
338 the first display on the list. */
340 struct w32_display_info
*
341 check_x_display_info (frame
)
346 struct frame
*sf
= XFRAME (selected_frame
);
348 if (FRAME_W32_P (sf
) && FRAME_LIVE_P (sf
))
349 return FRAME_W32_DISPLAY_INFO (sf
);
351 return &one_w32_display_info
;
353 else if (STRINGP (frame
))
354 return x_display_info_for_name (frame
);
359 CHECK_LIVE_FRAME (frame
);
361 if (! FRAME_W32_P (f
))
362 error ("non-w32 frame used");
363 return FRAME_W32_DISPLAY_INFO (f
);
367 /* Return the Emacs frame-object corresponding to an w32 window.
368 It could be the frame's main window or an icon window. */
370 /* This function can be called during GC, so use GC_xxx type test macros. */
373 x_window_to_frame (dpyinfo
, wdesc
)
374 struct w32_display_info
*dpyinfo
;
377 Lisp_Object tail
, frame
;
380 for (tail
= Vframe_list
; GC_CONSP (tail
); tail
= XCDR (tail
))
383 if (!GC_FRAMEP (frame
))
386 if (!FRAME_W32_P (f
) || FRAME_W32_DISPLAY_INFO (f
) != dpyinfo
)
388 if (f
->output_data
.w32
->hourglass_window
== wdesc
)
391 if (FRAME_W32_WINDOW (f
) == wdesc
)
399 /* Code to deal with bitmaps. Bitmaps are referenced by their bitmap
400 id, which is just an int that this section returns. Bitmaps are
401 reference counted so they can be shared among frames.
403 Bitmap indices are guaranteed to be > 0, so a negative number can
404 be used to indicate no bitmap.
406 If you use x_create_bitmap_from_data, then you must keep track of
407 the bitmaps yourself. That is, creating a bitmap from the same
408 data more than once will not be caught. */
411 /* Functions to access the contents of a bitmap, given an id. */
414 x_bitmap_height (f
, id
)
418 return FRAME_W32_DISPLAY_INFO (f
)->bitmaps
[id
- 1].height
;
422 x_bitmap_width (f
, id
)
426 return FRAME_W32_DISPLAY_INFO (f
)->bitmaps
[id
- 1].width
;
430 x_bitmap_pixmap (f
, id
)
434 return (int) FRAME_W32_DISPLAY_INFO (f
)->bitmaps
[id
- 1].pixmap
;
438 /* Allocate a new bitmap record. Returns index of new record. */
441 x_allocate_bitmap_record (f
)
444 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
447 if (dpyinfo
->bitmaps
== NULL
)
449 dpyinfo
->bitmaps_size
= 10;
451 = (struct w32_bitmap_record
*) xmalloc (dpyinfo
->bitmaps_size
* sizeof (struct w32_bitmap_record
));
452 dpyinfo
->bitmaps_last
= 1;
456 if (dpyinfo
->bitmaps_last
< dpyinfo
->bitmaps_size
)
457 return ++dpyinfo
->bitmaps_last
;
459 for (i
= 0; i
< dpyinfo
->bitmaps_size
; ++i
)
460 if (dpyinfo
->bitmaps
[i
].refcount
== 0)
463 dpyinfo
->bitmaps_size
*= 2;
465 = (struct w32_bitmap_record
*) xrealloc (dpyinfo
->bitmaps
,
466 dpyinfo
->bitmaps_size
* sizeof (struct w32_bitmap_record
));
467 return ++dpyinfo
->bitmaps_last
;
470 /* Add one reference to the reference count of the bitmap with id ID. */
473 x_reference_bitmap (f
, id
)
477 ++FRAME_W32_DISPLAY_INFO (f
)->bitmaps
[id
- 1].refcount
;
480 /* Create a bitmap for frame F from a HEIGHT x WIDTH array of bits at BITS. */
483 x_create_bitmap_from_data (f
, bits
, width
, height
)
486 unsigned int width
, height
;
488 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
492 bitmap
= CreateBitmap (width
, height
,
493 FRAME_W32_DISPLAY_INFO (XFRAME (frame
))->n_planes
,
494 FRAME_W32_DISPLAY_INFO (XFRAME (frame
))->n_cbits
,
500 id
= x_allocate_bitmap_record (f
);
501 dpyinfo
->bitmaps
[id
- 1].pixmap
= bitmap
;
502 dpyinfo
->bitmaps
[id
- 1].file
= NULL
;
503 dpyinfo
->bitmaps
[id
- 1].hinst
= NULL
;
504 dpyinfo
->bitmaps
[id
- 1].refcount
= 1;
505 dpyinfo
->bitmaps
[id
- 1].depth
= 1;
506 dpyinfo
->bitmaps
[id
- 1].height
= height
;
507 dpyinfo
->bitmaps
[id
- 1].width
= width
;
512 /* Create bitmap from file FILE for frame F. */
515 x_create_bitmap_from_file (f
, file
)
520 #if 0 /* TODO : bitmap support */
521 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
522 unsigned int width
, height
;
524 int xhot
, yhot
, result
, id
;
530 /* Look for an existing bitmap with the same name. */
531 for (id
= 0; id
< dpyinfo
->bitmaps_last
; ++id
)
533 if (dpyinfo
->bitmaps
[id
].refcount
534 && dpyinfo
->bitmaps
[id
].file
535 && !strcmp (dpyinfo
->bitmaps
[id
].file
, (char *) SDATA (file
)))
537 ++dpyinfo
->bitmaps
[id
].refcount
;
542 /* Search bitmap-file-path for the file, if appropriate. */
543 fd
= openp (Vx_bitmap_file_path
, file
, Qnil
, &found
, Qnil
);
548 filename
= (char *) SDATA (found
);
550 hinst
= LoadLibraryEx (filename
, NULL
, LOAD_LIBRARY_AS_DATAFILE
);
556 result
= XReadBitmapFile (FRAME_W32_DISPLAY (f
), FRAME_W32_WINDOW (f
),
557 filename
, &width
, &height
, &bitmap
, &xhot
, &yhot
);
558 if (result
!= BitmapSuccess
)
561 id
= x_allocate_bitmap_record (f
);
562 dpyinfo
->bitmaps
[id
- 1].pixmap
= bitmap
;
563 dpyinfo
->bitmaps
[id
- 1].refcount
= 1;
564 dpyinfo
->bitmaps
[id
- 1].file
= (char *) xmalloc (SCHARS (file
) + 1);
565 dpyinfo
->bitmaps
[id
- 1].depth
= 1;
566 dpyinfo
->bitmaps
[id
- 1].height
= height
;
567 dpyinfo
->bitmaps
[id
- 1].width
= width
;
568 strcpy (dpyinfo
->bitmaps
[id
- 1].file
, SDATA (file
));
574 /* Remove reference to bitmap with id number ID. */
577 x_destroy_bitmap (f
, id
)
581 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
585 --dpyinfo
->bitmaps
[id
- 1].refcount
;
586 if (dpyinfo
->bitmaps
[id
- 1].refcount
== 0)
589 DeleteObject (dpyinfo
->bitmaps
[id
- 1].pixmap
);
590 if (dpyinfo
->bitmaps
[id
- 1].file
)
592 xfree (dpyinfo
->bitmaps
[id
- 1].file
);
593 dpyinfo
->bitmaps
[id
- 1].file
= NULL
;
600 /* Free all the bitmaps for the display specified by DPYINFO. */
603 x_destroy_all_bitmaps (dpyinfo
)
604 struct w32_display_info
*dpyinfo
;
607 for (i
= 0; i
< dpyinfo
->bitmaps_last
; i
++)
608 if (dpyinfo
->bitmaps
[i
].refcount
> 0)
610 DeleteObject (dpyinfo
->bitmaps
[i
].pixmap
);
611 if (dpyinfo
->bitmaps
[i
].file
)
612 xfree (dpyinfo
->bitmaps
[i
].file
);
614 dpyinfo
->bitmaps_last
= 0;
617 BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
618 void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
619 static Lisp_Object unwind_create_frame
P_ ((Lisp_Object
));
620 static Lisp_Object unwind_create_tip_frame
P_ ((Lisp_Object
));
622 /* TODO: Native Input Method support; see x_create_im. */
623 void x_set_foreground_color
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
624 void x_set_background_color
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
625 void x_set_mouse_color
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
626 void x_set_cursor_color
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
627 void x_set_border_color
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
628 void x_set_cursor_type
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
629 void x_set_icon_type
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
630 void x_set_icon_name
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
631 void x_explicitly_set_name
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
632 void x_set_menu_bar_lines
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
633 void x_set_title
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
634 void x_set_tool_bar_lines
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
));
635 static void x_edge_detection
P_ ((struct frame
*, struct image
*, Lisp_Object
,
641 /* Store the screen positions of frame F into XPTR and YPTR.
642 These are the positions of the containing window manager window,
643 not Emacs's own window. */
646 x_real_positions (f
, xptr
, yptr
)
653 GetClientRect(FRAME_W32_WINDOW(f
), &rect
);
654 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
, FRAME_EXTERNAL_MENU_BAR(f
));
659 ClientToScreen (FRAME_W32_WINDOW(f
), &pt
);
661 /* Remember x_pixels_diff and y_pixels_diff. */
662 f
->x_pixels_diff
= pt
.x
- rect
.left
;
663 f
->y_pixels_diff
= pt
.y
- rect
.top
;
671 DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color
,
672 Sw32_define_rgb_color
, 4, 4, 0,
673 doc
: /* Convert RGB numbers to a windows color reference and associate with NAME.
674 This adds or updates a named color to w32-color-map, making it
675 available for use. The original entry's RGB ref is returned, or nil
676 if the entry is new. */)
677 (red
, green
, blue
, name
)
678 Lisp_Object red
, green
, blue
, name
;
681 Lisp_Object oldrgb
= Qnil
;
685 CHECK_NUMBER (green
);
689 XSET (rgb
, Lisp_Int
, RGB(XUINT (red
), XUINT (green
), XUINT (blue
)));
693 /* replace existing entry in w32-color-map or add new entry. */
694 entry
= Fassoc (name
, Vw32_color_map
);
697 entry
= Fcons (name
, rgb
);
698 Vw32_color_map
= Fcons (entry
, Vw32_color_map
);
702 oldrgb
= Fcdr (entry
);
703 Fsetcdr (entry
, rgb
);
711 DEFUN ("w32-load-color-file", Fw32_load_color_file
,
712 Sw32_load_color_file
, 1, 1, 0,
713 doc
: /* Create an alist of color entries from an external file.
714 Assign this value to w32-color-map to replace the existing color map.
716 The file should define one named RGB color per line like so:
718 where R,G,B are numbers between 0 and 255 and name is an arbitrary string. */)
720 Lisp_Object filename
;
723 Lisp_Object cmap
= Qnil
;
726 CHECK_STRING (filename
);
727 abspath
= Fexpand_file_name (filename
, Qnil
);
729 fp
= fopen (SDATA (filename
), "rt");
733 int red
, green
, blue
;
738 while (fgets (buf
, sizeof (buf
), fp
) != NULL
) {
739 if (sscanf (buf
, "%u %u %u %n", &red
, &green
, &blue
, &num
) == 3)
741 char *name
= buf
+ num
;
742 num
= strlen (name
) - 1;
743 if (name
[num
] == '\n')
745 cmap
= Fcons (Fcons (build_string (name
),
746 make_number (RGB (red
, green
, blue
))),
758 /* The default colors for the w32 color map */
759 typedef struct colormap_t
765 colormap_t w32_color_map
[] =
767 {"snow" , PALETTERGB (255,250,250)},
768 {"ghost white" , PALETTERGB (248,248,255)},
769 {"GhostWhite" , PALETTERGB (248,248,255)},
770 {"white smoke" , PALETTERGB (245,245,245)},
771 {"WhiteSmoke" , PALETTERGB (245,245,245)},
772 {"gainsboro" , PALETTERGB (220,220,220)},
773 {"floral white" , PALETTERGB (255,250,240)},
774 {"FloralWhite" , PALETTERGB (255,250,240)},
775 {"old lace" , PALETTERGB (253,245,230)},
776 {"OldLace" , PALETTERGB (253,245,230)},
777 {"linen" , PALETTERGB (250,240,230)},
778 {"antique white" , PALETTERGB (250,235,215)},
779 {"AntiqueWhite" , PALETTERGB (250,235,215)},
780 {"papaya whip" , PALETTERGB (255,239,213)},
781 {"PapayaWhip" , PALETTERGB (255,239,213)},
782 {"blanched almond" , PALETTERGB (255,235,205)},
783 {"BlanchedAlmond" , PALETTERGB (255,235,205)},
784 {"bisque" , PALETTERGB (255,228,196)},
785 {"peach puff" , PALETTERGB (255,218,185)},
786 {"PeachPuff" , PALETTERGB (255,218,185)},
787 {"navajo white" , PALETTERGB (255,222,173)},
788 {"NavajoWhite" , PALETTERGB (255,222,173)},
789 {"moccasin" , PALETTERGB (255,228,181)},
790 {"cornsilk" , PALETTERGB (255,248,220)},
791 {"ivory" , PALETTERGB (255,255,240)},
792 {"lemon chiffon" , PALETTERGB (255,250,205)},
793 {"LemonChiffon" , PALETTERGB (255,250,205)},
794 {"seashell" , PALETTERGB (255,245,238)},
795 {"honeydew" , PALETTERGB (240,255,240)},
796 {"mint cream" , PALETTERGB (245,255,250)},
797 {"MintCream" , PALETTERGB (245,255,250)},
798 {"azure" , PALETTERGB (240,255,255)},
799 {"alice blue" , PALETTERGB (240,248,255)},
800 {"AliceBlue" , PALETTERGB (240,248,255)},
801 {"lavender" , PALETTERGB (230,230,250)},
802 {"lavender blush" , PALETTERGB (255,240,245)},
803 {"LavenderBlush" , PALETTERGB (255,240,245)},
804 {"misty rose" , PALETTERGB (255,228,225)},
805 {"MistyRose" , PALETTERGB (255,228,225)},
806 {"white" , PALETTERGB (255,255,255)},
807 {"black" , PALETTERGB ( 0, 0, 0)},
808 {"dark slate gray" , PALETTERGB ( 47, 79, 79)},
809 {"DarkSlateGray" , PALETTERGB ( 47, 79, 79)},
810 {"dark slate grey" , PALETTERGB ( 47, 79, 79)},
811 {"DarkSlateGrey" , PALETTERGB ( 47, 79, 79)},
812 {"dim gray" , PALETTERGB (105,105,105)},
813 {"DimGray" , PALETTERGB (105,105,105)},
814 {"dim grey" , PALETTERGB (105,105,105)},
815 {"DimGrey" , PALETTERGB (105,105,105)},
816 {"slate gray" , PALETTERGB (112,128,144)},
817 {"SlateGray" , PALETTERGB (112,128,144)},
818 {"slate grey" , PALETTERGB (112,128,144)},
819 {"SlateGrey" , PALETTERGB (112,128,144)},
820 {"light slate gray" , PALETTERGB (119,136,153)},
821 {"LightSlateGray" , PALETTERGB (119,136,153)},
822 {"light slate grey" , PALETTERGB (119,136,153)},
823 {"LightSlateGrey" , PALETTERGB (119,136,153)},
824 {"gray" , PALETTERGB (190,190,190)},
825 {"grey" , PALETTERGB (190,190,190)},
826 {"light grey" , PALETTERGB (211,211,211)},
827 {"LightGrey" , PALETTERGB (211,211,211)},
828 {"light gray" , PALETTERGB (211,211,211)},
829 {"LightGray" , PALETTERGB (211,211,211)},
830 {"midnight blue" , PALETTERGB ( 25, 25,112)},
831 {"MidnightBlue" , PALETTERGB ( 25, 25,112)},
832 {"navy" , PALETTERGB ( 0, 0,128)},
833 {"navy blue" , PALETTERGB ( 0, 0,128)},
834 {"NavyBlue" , PALETTERGB ( 0, 0,128)},
835 {"cornflower blue" , PALETTERGB (100,149,237)},
836 {"CornflowerBlue" , PALETTERGB (100,149,237)},
837 {"dark slate blue" , PALETTERGB ( 72, 61,139)},
838 {"DarkSlateBlue" , PALETTERGB ( 72, 61,139)},
839 {"slate blue" , PALETTERGB (106, 90,205)},
840 {"SlateBlue" , PALETTERGB (106, 90,205)},
841 {"medium slate blue" , PALETTERGB (123,104,238)},
842 {"MediumSlateBlue" , PALETTERGB (123,104,238)},
843 {"light slate blue" , PALETTERGB (132,112,255)},
844 {"LightSlateBlue" , PALETTERGB (132,112,255)},
845 {"medium blue" , PALETTERGB ( 0, 0,205)},
846 {"MediumBlue" , PALETTERGB ( 0, 0,205)},
847 {"royal blue" , PALETTERGB ( 65,105,225)},
848 {"RoyalBlue" , PALETTERGB ( 65,105,225)},
849 {"blue" , PALETTERGB ( 0, 0,255)},
850 {"dodger blue" , PALETTERGB ( 30,144,255)},
851 {"DodgerBlue" , PALETTERGB ( 30,144,255)},
852 {"deep sky blue" , PALETTERGB ( 0,191,255)},
853 {"DeepSkyBlue" , PALETTERGB ( 0,191,255)},
854 {"sky blue" , PALETTERGB (135,206,235)},
855 {"SkyBlue" , PALETTERGB (135,206,235)},
856 {"light sky blue" , PALETTERGB (135,206,250)},
857 {"LightSkyBlue" , PALETTERGB (135,206,250)},
858 {"steel blue" , PALETTERGB ( 70,130,180)},
859 {"SteelBlue" , PALETTERGB ( 70,130,180)},
860 {"light steel blue" , PALETTERGB (176,196,222)},
861 {"LightSteelBlue" , PALETTERGB (176,196,222)},
862 {"light blue" , PALETTERGB (173,216,230)},
863 {"LightBlue" , PALETTERGB (173,216,230)},
864 {"powder blue" , PALETTERGB (176,224,230)},
865 {"PowderBlue" , PALETTERGB (176,224,230)},
866 {"pale turquoise" , PALETTERGB (175,238,238)},
867 {"PaleTurquoise" , PALETTERGB (175,238,238)},
868 {"dark turquoise" , PALETTERGB ( 0,206,209)},
869 {"DarkTurquoise" , PALETTERGB ( 0,206,209)},
870 {"medium turquoise" , PALETTERGB ( 72,209,204)},
871 {"MediumTurquoise" , PALETTERGB ( 72,209,204)},
872 {"turquoise" , PALETTERGB ( 64,224,208)},
873 {"cyan" , PALETTERGB ( 0,255,255)},
874 {"light cyan" , PALETTERGB (224,255,255)},
875 {"LightCyan" , PALETTERGB (224,255,255)},
876 {"cadet blue" , PALETTERGB ( 95,158,160)},
877 {"CadetBlue" , PALETTERGB ( 95,158,160)},
878 {"medium aquamarine" , PALETTERGB (102,205,170)},
879 {"MediumAquamarine" , PALETTERGB (102,205,170)},
880 {"aquamarine" , PALETTERGB (127,255,212)},
881 {"dark green" , PALETTERGB ( 0,100, 0)},
882 {"DarkGreen" , PALETTERGB ( 0,100, 0)},
883 {"dark olive green" , PALETTERGB ( 85,107, 47)},
884 {"DarkOliveGreen" , PALETTERGB ( 85,107, 47)},
885 {"dark sea green" , PALETTERGB (143,188,143)},
886 {"DarkSeaGreen" , PALETTERGB (143,188,143)},
887 {"sea green" , PALETTERGB ( 46,139, 87)},
888 {"SeaGreen" , PALETTERGB ( 46,139, 87)},
889 {"medium sea green" , PALETTERGB ( 60,179,113)},
890 {"MediumSeaGreen" , PALETTERGB ( 60,179,113)},
891 {"light sea green" , PALETTERGB ( 32,178,170)},
892 {"LightSeaGreen" , PALETTERGB ( 32,178,170)},
893 {"pale green" , PALETTERGB (152,251,152)},
894 {"PaleGreen" , PALETTERGB (152,251,152)},
895 {"spring green" , PALETTERGB ( 0,255,127)},
896 {"SpringGreen" , PALETTERGB ( 0,255,127)},
897 {"lawn green" , PALETTERGB (124,252, 0)},
898 {"LawnGreen" , PALETTERGB (124,252, 0)},
899 {"green" , PALETTERGB ( 0,255, 0)},
900 {"chartreuse" , PALETTERGB (127,255, 0)},
901 {"medium spring green" , PALETTERGB ( 0,250,154)},
902 {"MediumSpringGreen" , PALETTERGB ( 0,250,154)},
903 {"green yellow" , PALETTERGB (173,255, 47)},
904 {"GreenYellow" , PALETTERGB (173,255, 47)},
905 {"lime green" , PALETTERGB ( 50,205, 50)},
906 {"LimeGreen" , PALETTERGB ( 50,205, 50)},
907 {"yellow green" , PALETTERGB (154,205, 50)},
908 {"YellowGreen" , PALETTERGB (154,205, 50)},
909 {"forest green" , PALETTERGB ( 34,139, 34)},
910 {"ForestGreen" , PALETTERGB ( 34,139, 34)},
911 {"olive drab" , PALETTERGB (107,142, 35)},
912 {"OliveDrab" , PALETTERGB (107,142, 35)},
913 {"dark khaki" , PALETTERGB (189,183,107)},
914 {"DarkKhaki" , PALETTERGB (189,183,107)},
915 {"khaki" , PALETTERGB (240,230,140)},
916 {"pale goldenrod" , PALETTERGB (238,232,170)},
917 {"PaleGoldenrod" , PALETTERGB (238,232,170)},
918 {"light goldenrod yellow" , PALETTERGB (250,250,210)},
919 {"LightGoldenrodYellow" , PALETTERGB (250,250,210)},
920 {"light yellow" , PALETTERGB (255,255,224)},
921 {"LightYellow" , PALETTERGB (255,255,224)},
922 {"yellow" , PALETTERGB (255,255, 0)},
923 {"gold" , PALETTERGB (255,215, 0)},
924 {"light goldenrod" , PALETTERGB (238,221,130)},
925 {"LightGoldenrod" , PALETTERGB (238,221,130)},
926 {"goldenrod" , PALETTERGB (218,165, 32)},
927 {"dark goldenrod" , PALETTERGB (184,134, 11)},
928 {"DarkGoldenrod" , PALETTERGB (184,134, 11)},
929 {"rosy brown" , PALETTERGB (188,143,143)},
930 {"RosyBrown" , PALETTERGB (188,143,143)},
931 {"indian red" , PALETTERGB (205, 92, 92)},
932 {"IndianRed" , PALETTERGB (205, 92, 92)},
933 {"saddle brown" , PALETTERGB (139, 69, 19)},
934 {"SaddleBrown" , PALETTERGB (139, 69, 19)},
935 {"sienna" , PALETTERGB (160, 82, 45)},
936 {"peru" , PALETTERGB (205,133, 63)},
937 {"burlywood" , PALETTERGB (222,184,135)},
938 {"beige" , PALETTERGB (245,245,220)},
939 {"wheat" , PALETTERGB (245,222,179)},
940 {"sandy brown" , PALETTERGB (244,164, 96)},
941 {"SandyBrown" , PALETTERGB (244,164, 96)},
942 {"tan" , PALETTERGB (210,180,140)},
943 {"chocolate" , PALETTERGB (210,105, 30)},
944 {"firebrick" , PALETTERGB (178,34, 34)},
945 {"brown" , PALETTERGB (165,42, 42)},
946 {"dark salmon" , PALETTERGB (233,150,122)},
947 {"DarkSalmon" , PALETTERGB (233,150,122)},
948 {"salmon" , PALETTERGB (250,128,114)},
949 {"light salmon" , PALETTERGB (255,160,122)},
950 {"LightSalmon" , PALETTERGB (255,160,122)},
951 {"orange" , PALETTERGB (255,165, 0)},
952 {"dark orange" , PALETTERGB (255,140, 0)},
953 {"DarkOrange" , PALETTERGB (255,140, 0)},
954 {"coral" , PALETTERGB (255,127, 80)},
955 {"light coral" , PALETTERGB (240,128,128)},
956 {"LightCoral" , PALETTERGB (240,128,128)},
957 {"tomato" , PALETTERGB (255, 99, 71)},
958 {"orange red" , PALETTERGB (255, 69, 0)},
959 {"OrangeRed" , PALETTERGB (255, 69, 0)},
960 {"red" , PALETTERGB (255, 0, 0)},
961 {"hot pink" , PALETTERGB (255,105,180)},
962 {"HotPink" , PALETTERGB (255,105,180)},
963 {"deep pink" , PALETTERGB (255, 20,147)},
964 {"DeepPink" , PALETTERGB (255, 20,147)},
965 {"pink" , PALETTERGB (255,192,203)},
966 {"light pink" , PALETTERGB (255,182,193)},
967 {"LightPink" , PALETTERGB (255,182,193)},
968 {"pale violet red" , PALETTERGB (219,112,147)},
969 {"PaleVioletRed" , PALETTERGB (219,112,147)},
970 {"maroon" , PALETTERGB (176, 48, 96)},
971 {"medium violet red" , PALETTERGB (199, 21,133)},
972 {"MediumVioletRed" , PALETTERGB (199, 21,133)},
973 {"violet red" , PALETTERGB (208, 32,144)},
974 {"VioletRed" , PALETTERGB (208, 32,144)},
975 {"magenta" , PALETTERGB (255, 0,255)},
976 {"violet" , PALETTERGB (238,130,238)},
977 {"plum" , PALETTERGB (221,160,221)},
978 {"orchid" , PALETTERGB (218,112,214)},
979 {"medium orchid" , PALETTERGB (186, 85,211)},
980 {"MediumOrchid" , PALETTERGB (186, 85,211)},
981 {"dark orchid" , PALETTERGB (153, 50,204)},
982 {"DarkOrchid" , PALETTERGB (153, 50,204)},
983 {"dark violet" , PALETTERGB (148, 0,211)},
984 {"DarkViolet" , PALETTERGB (148, 0,211)},
985 {"blue violet" , PALETTERGB (138, 43,226)},
986 {"BlueViolet" , PALETTERGB (138, 43,226)},
987 {"purple" , PALETTERGB (160, 32,240)},
988 {"medium purple" , PALETTERGB (147,112,219)},
989 {"MediumPurple" , PALETTERGB (147,112,219)},
990 {"thistle" , PALETTERGB (216,191,216)},
991 {"gray0" , PALETTERGB ( 0, 0, 0)},
992 {"grey0" , PALETTERGB ( 0, 0, 0)},
993 {"dark grey" , PALETTERGB (169,169,169)},
994 {"DarkGrey" , PALETTERGB (169,169,169)},
995 {"dark gray" , PALETTERGB (169,169,169)},
996 {"DarkGray" , PALETTERGB (169,169,169)},
997 {"dark blue" , PALETTERGB ( 0, 0,139)},
998 {"DarkBlue" , PALETTERGB ( 0, 0,139)},
999 {"dark cyan" , PALETTERGB ( 0,139,139)},
1000 {"DarkCyan" , PALETTERGB ( 0,139,139)},
1001 {"dark magenta" , PALETTERGB (139, 0,139)},
1002 {"DarkMagenta" , PALETTERGB (139, 0,139)},
1003 {"dark red" , PALETTERGB (139, 0, 0)},
1004 {"DarkRed" , PALETTERGB (139, 0, 0)},
1005 {"light green" , PALETTERGB (144,238,144)},
1006 {"LightGreen" , PALETTERGB (144,238,144)},
1009 DEFUN ("w32-default-color-map", Fw32_default_color_map
, Sw32_default_color_map
,
1010 0, 0, 0, doc
: /* Return the default color map. */)
1014 colormap_t
*pc
= w32_color_map
;
1021 for (i
= 0; i
< sizeof (w32_color_map
) / sizeof (w32_color_map
[0]);
1023 cmap
= Fcons (Fcons (build_string (pc
->name
),
1024 make_number (pc
->colorref
)),
1033 w32_to_x_color (rgb
)
1042 color
= Frassq (rgb
, Vw32_color_map
);
1047 return (Fcar (color
));
1053 w32_color_map_lookup (colorname
)
1056 Lisp_Object tail
, ret
= Qnil
;
1060 for (tail
= Vw32_color_map
; !NILP (tail
); tail
= Fcdr (tail
))
1062 register Lisp_Object elt
, tem
;
1065 if (!CONSP (elt
)) continue;
1069 if (lstrcmpi (SDATA (tem
), colorname
) == 0)
1071 ret
= XUINT (Fcdr (elt
));
1086 add_system_logical_colors_to_map (system_colors
)
1087 Lisp_Object
*system_colors
;
1091 /* Other registry operations are done with input blocked. */
1094 /* Look for "Control Panel/Colors" under User and Machine registry
1096 if (RegOpenKeyEx (HKEY_CURRENT_USER
, "Control Panel\\Colors", 0,
1097 KEY_READ
, &colors_key
) == ERROR_SUCCESS
1098 || RegOpenKeyEx (HKEY_LOCAL_MACHINE
, "Control Panel\\Colors", 0,
1099 KEY_READ
, &colors_key
) == ERROR_SUCCESS
)
1101 /* List all keys. */
1102 char color_buffer
[64];
1103 char full_name_buffer
[MAX_PATH
+ SYSTEM_COLOR_PREFIX_LEN
];
1105 DWORD name_size
, color_size
;
1106 char *name_buffer
= full_name_buffer
+ SYSTEM_COLOR_PREFIX_LEN
;
1108 name_size
= sizeof (full_name_buffer
) - SYSTEM_COLOR_PREFIX_LEN
;
1109 color_size
= sizeof (color_buffer
);
1111 strcpy (full_name_buffer
, SYSTEM_COLOR_PREFIX
);
1113 while (RegEnumValueA (colors_key
, index
, name_buffer
, &name_size
,
1114 NULL
, NULL
, color_buffer
, &color_size
)
1118 if (sscanf (color_buffer
, " %u %u %u", &r
, &g
, &b
) == 3)
1119 *system_colors
= Fcons (Fcons (build_string (full_name_buffer
),
1120 make_number (RGB (r
, g
, b
))),
1123 name_size
= sizeof (full_name_buffer
) - SYSTEM_COLOR_PREFIX_LEN
;
1124 color_size
= sizeof (color_buffer
);
1127 RegCloseKey (colors_key
);
1135 x_to_w32_color (colorname
)
1138 register Lisp_Object ret
= Qnil
;
1142 if (colorname
[0] == '#')
1144 /* Could be an old-style RGB Device specification. */
1147 color
= colorname
+ 1;
1149 size
= strlen(color
);
1150 if (size
== 3 || size
== 6 || size
== 9 || size
== 12)
1158 for (i
= 0; i
< 3; i
++)
1162 unsigned long value
;
1164 /* The check for 'x' in the following conditional takes into
1165 account the fact that strtol allows a "0x" in front of
1166 our numbers, and we don't. */
1167 if (!isxdigit(color
[0]) || color
[1] == 'x')
1171 value
= strtoul(color
, &end
, 16);
1173 if (errno
== ERANGE
|| end
- color
!= size
)
1178 value
= value
* 0x10;
1189 colorval
|= (value
<< pos
);
1200 else if (strnicmp(colorname
, "rgb:", 4) == 0)
1208 color
= colorname
+ 4;
1209 for (i
= 0; i
< 3; i
++)
1212 unsigned long value
;
1214 /* The check for 'x' in the following conditional takes into
1215 account the fact that strtol allows a "0x" in front of
1216 our numbers, and we don't. */
1217 if (!isxdigit(color
[0]) || color
[1] == 'x')
1219 value
= strtoul(color
, &end
, 16);
1220 if (errno
== ERANGE
)
1222 switch (end
- color
)
1225 value
= value
* 0x10 + value
;
1238 if (value
== ULONG_MAX
)
1240 colorval
|= (value
<< pos
);
1254 else if (strnicmp(colorname
, "rgbi:", 5) == 0)
1256 /* This is an RGB Intensity specification. */
1263 color
= colorname
+ 5;
1264 for (i
= 0; i
< 3; i
++)
1270 value
= strtod(color
, &end
);
1271 if (errno
== ERANGE
)
1273 if (value
< 0.0 || value
> 1.0)
1275 val
= (UINT
)(0x100 * value
);
1276 /* We used 0x100 instead of 0xFF to give a continuous
1277 range between 0.0 and 1.0 inclusive. The next statement
1278 fixes the 1.0 case. */
1281 colorval
|= (val
<< pos
);
1295 /* I am not going to attempt to handle any of the CIE color schemes
1296 or TekHVC, since I don't know the algorithms for conversion to
1299 /* If we fail to lookup the color name in w32_color_map, then check the
1300 colorname to see if it can be crudely approximated: If the X color
1301 ends in a number (e.g., "darkseagreen2"), strip the number and
1302 return the result of looking up the base color name. */
1303 ret
= w32_color_map_lookup (colorname
);
1306 int len
= strlen (colorname
);
1308 if (isdigit (colorname
[len
- 1]))
1310 char *ptr
, *approx
= alloca (len
+ 1);
1312 strcpy (approx
, colorname
);
1313 ptr
= &approx
[len
- 1];
1314 while (ptr
> approx
&& isdigit (*ptr
))
1317 ret
= w32_color_map_lookup (approx
);
1326 w32_regenerate_palette (FRAME_PTR f
)
1328 struct w32_palette_entry
* list
;
1329 LOGPALETTE
* log_palette
;
1330 HPALETTE new_palette
;
1333 /* don't bother trying to create palette if not supported */
1334 if (! FRAME_W32_DISPLAY_INFO (f
)->has_palette
)
1337 log_palette
= (LOGPALETTE
*)
1338 alloca (sizeof (LOGPALETTE
) +
1339 FRAME_W32_DISPLAY_INFO (f
)->num_colors
* sizeof (PALETTEENTRY
));
1340 log_palette
->palVersion
= 0x300;
1341 log_palette
->palNumEntries
= FRAME_W32_DISPLAY_INFO (f
)->num_colors
;
1343 list
= FRAME_W32_DISPLAY_INFO (f
)->color_list
;
1345 i
< FRAME_W32_DISPLAY_INFO (f
)->num_colors
;
1346 i
++, list
= list
->next
)
1347 log_palette
->palPalEntry
[i
] = list
->entry
;
1349 new_palette
= CreatePalette (log_palette
);
1353 if (FRAME_W32_DISPLAY_INFO (f
)->palette
)
1354 DeleteObject (FRAME_W32_DISPLAY_INFO (f
)->palette
);
1355 FRAME_W32_DISPLAY_INFO (f
)->palette
= new_palette
;
1357 /* Realize display palette and garbage all frames. */
1358 release_frame_dc (f
, get_frame_dc (f
));
1363 #define W32_COLOR(pe) RGB (pe.peRed, pe.peGreen, pe.peBlue)
1364 #define SET_W32_COLOR(pe, color) \
1367 pe.peRed = GetRValue (color); \
1368 pe.peGreen = GetGValue (color); \
1369 pe.peBlue = GetBValue (color); \
1374 /* Keep these around in case we ever want to track color usage. */
1376 w32_map_color (FRAME_PTR f
, COLORREF color
)
1378 struct w32_palette_entry
* list
= FRAME_W32_DISPLAY_INFO (f
)->color_list
;
1380 if (NILP (Vw32_enable_palette
))
1383 /* check if color is already mapped */
1386 if (W32_COLOR (list
->entry
) == color
)
1394 /* not already mapped, so add to list and recreate Windows palette */
1395 list
= (struct w32_palette_entry
*)
1396 xmalloc (sizeof (struct w32_palette_entry
));
1397 SET_W32_COLOR (list
->entry
, color
);
1399 list
->next
= FRAME_W32_DISPLAY_INFO (f
)->color_list
;
1400 FRAME_W32_DISPLAY_INFO (f
)->color_list
= list
;
1401 FRAME_W32_DISPLAY_INFO (f
)->num_colors
++;
1403 /* set flag that palette must be regenerated */
1404 FRAME_W32_DISPLAY_INFO (f
)->regen_palette
= TRUE
;
1408 w32_unmap_color (FRAME_PTR f
, COLORREF color
)
1410 struct w32_palette_entry
* list
= FRAME_W32_DISPLAY_INFO (f
)->color_list
;
1411 struct w32_palette_entry
**prev
= &FRAME_W32_DISPLAY_INFO (f
)->color_list
;
1413 if (NILP (Vw32_enable_palette
))
1416 /* check if color is already mapped */
1419 if (W32_COLOR (list
->entry
) == color
)
1421 if (--list
->refcount
== 0)
1425 FRAME_W32_DISPLAY_INFO (f
)->num_colors
--;
1435 /* set flag that palette must be regenerated */
1436 FRAME_W32_DISPLAY_INFO (f
)->regen_palette
= TRUE
;
1441 /* Gamma-correct COLOR on frame F. */
1444 gamma_correct (f
, color
)
1450 *color
= PALETTERGB (
1451 pow (GetRValue (*color
) / 255.0, f
->gamma
) * 255.0 + 0.5,
1452 pow (GetGValue (*color
) / 255.0, f
->gamma
) * 255.0 + 0.5,
1453 pow (GetBValue (*color
) / 255.0, f
->gamma
) * 255.0 + 0.5);
1458 /* Decide if color named COLOR is valid for the display associated with
1459 the selected frame; if so, return the rgb values in COLOR_DEF.
1460 If ALLOC is nonzero, allocate a new colormap cell. */
1463 w32_defined_color (f
, color
, color_def
, alloc
)
1469 register Lisp_Object tem
;
1470 COLORREF w32_color_ref
;
1472 tem
= x_to_w32_color (color
);
1478 /* Apply gamma correction. */
1479 w32_color_ref
= XUINT (tem
);
1480 gamma_correct (f
, &w32_color_ref
);
1481 XSETINT (tem
, w32_color_ref
);
1484 /* Map this color to the palette if it is enabled. */
1485 if (!NILP (Vw32_enable_palette
))
1487 struct w32_palette_entry
* entry
=
1488 one_w32_display_info
.color_list
;
1489 struct w32_palette_entry
** prev
=
1490 &one_w32_display_info
.color_list
;
1492 /* check if color is already mapped */
1495 if (W32_COLOR (entry
->entry
) == XUINT (tem
))
1497 prev
= &entry
->next
;
1498 entry
= entry
->next
;
1501 if (entry
== NULL
&& alloc
)
1503 /* not already mapped, so add to list */
1504 entry
= (struct w32_palette_entry
*)
1505 xmalloc (sizeof (struct w32_palette_entry
));
1506 SET_W32_COLOR (entry
->entry
, XUINT (tem
));
1509 one_w32_display_info
.num_colors
++;
1511 /* set flag that palette must be regenerated */
1512 one_w32_display_info
.regen_palette
= TRUE
;
1515 /* Ensure COLORREF value is snapped to nearest color in (default)
1516 palette by simulating the PALETTERGB macro. This works whether
1517 or not the display device has a palette. */
1518 w32_color_ref
= XUINT (tem
) | 0x2000000;
1520 color_def
->pixel
= w32_color_ref
;
1521 color_def
->red
= GetRValue (w32_color_ref
) * 256;
1522 color_def
->green
= GetGValue (w32_color_ref
) * 256;
1523 color_def
->blue
= GetBValue (w32_color_ref
) * 256;
1533 /* Given a string ARG naming a color, compute a pixel value from it
1534 suitable for screen F.
1535 If F is not a color screen, return DEF (default) regardless of what
1539 x_decode_color (f
, arg
, def
)
1548 if (strcmp (SDATA (arg
), "black") == 0)
1549 return BLACK_PIX_DEFAULT (f
);
1550 else if (strcmp (SDATA (arg
), "white") == 0)
1551 return WHITE_PIX_DEFAULT (f
);
1553 if ((FRAME_W32_DISPLAY_INFO (f
)->n_planes
* FRAME_W32_DISPLAY_INFO (f
)->n_cbits
) == 1)
1556 /* w32_defined_color is responsible for coping with failures
1557 by looking for a near-miss. */
1558 if (w32_defined_color (f
, SDATA (arg
), &cdef
, 1))
1561 /* defined_color failed; return an ultimate default. */
1567 /* Functions called only from `x_set_frame_param'
1568 to set individual parameters.
1570 If FRAME_W32_WINDOW (f) is 0,
1571 the frame is being created and its window does not exist yet.
1572 In that case, just record the parameter's new value
1573 in the standard place; do not attempt to change the window. */
1576 x_set_foreground_color (f
, arg
, oldval
)
1578 Lisp_Object arg
, oldval
;
1580 struct w32_output
*x
= f
->output_data
.w32
;
1581 PIX_TYPE fg
, old_fg
;
1583 fg
= x_decode_color (f
, arg
, BLACK_PIX_DEFAULT (f
));
1584 old_fg
= FRAME_FOREGROUND_PIXEL (f
);
1585 FRAME_FOREGROUND_PIXEL (f
) = fg
;
1587 if (FRAME_W32_WINDOW (f
) != 0)
1589 if (x
->cursor_pixel
== old_fg
)
1590 x
->cursor_pixel
= fg
;
1592 update_face_from_frame_parameter (f
, Qforeground_color
, arg
);
1593 if (FRAME_VISIBLE_P (f
))
1599 x_set_background_color (f
, arg
, oldval
)
1601 Lisp_Object arg
, oldval
;
1603 FRAME_BACKGROUND_PIXEL (f
)
1604 = x_decode_color (f
, arg
, WHITE_PIX_DEFAULT (f
));
1606 if (FRAME_W32_WINDOW (f
) != 0)
1608 SetWindowLong (FRAME_W32_WINDOW (f
), WND_BACKGROUND_INDEX
,
1609 FRAME_BACKGROUND_PIXEL (f
));
1611 update_face_from_frame_parameter (f
, Qbackground_color
, arg
);
1613 if (FRAME_VISIBLE_P (f
))
1619 x_set_mouse_color (f
, arg
, oldval
)
1621 Lisp_Object arg
, oldval
;
1623 Cursor cursor
, nontext_cursor
, mode_cursor
, hand_cursor
;
1627 if (!EQ (Qnil
, arg
))
1628 f
->output_data
.w32
->mouse_pixel
1629 = x_decode_color (f
, arg
, BLACK_PIX_DEFAULT (f
));
1630 mask_color
= FRAME_BACKGROUND_PIXEL (f
);
1632 /* Don't let pointers be invisible. */
1633 if (mask_color
== f
->output_data
.w32
->mouse_pixel
1634 && mask_color
== FRAME_BACKGROUND_PIXEL (f
))
1635 f
->output_data
.w32
->mouse_pixel
= FRAME_FOREGROUND_PIXEL (f
);
1637 #if 0 /* TODO : cursor changes */
1640 /* It's not okay to crash if the user selects a screwy cursor. */
1641 count
= x_catch_errors (FRAME_W32_DISPLAY (f
));
1643 if (!EQ (Qnil
, Vx_pointer_shape
))
1645 CHECK_NUMBER (Vx_pointer_shape
);
1646 cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
), XINT (Vx_pointer_shape
));
1649 cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
), XC_xterm
);
1650 x_check_errors (FRAME_W32_DISPLAY (f
), "bad text pointer cursor: %s");
1652 if (!EQ (Qnil
, Vx_nontext_pointer_shape
))
1654 CHECK_NUMBER (Vx_nontext_pointer_shape
);
1655 nontext_cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
),
1656 XINT (Vx_nontext_pointer_shape
));
1659 nontext_cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
), XC_left_ptr
);
1660 x_check_errors (FRAME_W32_DISPLAY (f
), "bad nontext pointer cursor: %s");
1662 if (!EQ (Qnil
, Vx_hourglass_pointer_shape
))
1664 CHECK_NUMBER (Vx_hourglass_pointer_shape
);
1665 hourglass_cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
),
1666 XINT (Vx_hourglass_pointer_shape
));
1669 hourglass_cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
), XC_watch
);
1670 x_check_errors (FRAME_W32_DISPLAY (f
), "bad busy pointer cursor: %s");
1672 x_check_errors (FRAME_W32_DISPLAY (f
), "bad nontext pointer cursor: %s");
1673 if (!EQ (Qnil
, Vx_mode_pointer_shape
))
1675 CHECK_NUMBER (Vx_mode_pointer_shape
);
1676 mode_cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
),
1677 XINT (Vx_mode_pointer_shape
));
1680 mode_cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
), XC_xterm
);
1681 x_check_errors (FRAME_W32_DISPLAY (f
), "bad modeline pointer cursor: %s");
1683 if (!EQ (Qnil
, Vx_sensitive_text_pointer_shape
))
1685 CHECK_NUMBER (Vx_sensitive_text_pointer_shape
);
1687 = XCreateFontCursor (FRAME_W32_DISPLAY (f
),
1688 XINT (Vx_sensitive_text_pointer_shape
));
1691 hand_cursor
= XCreateFontCursor (FRAME_W32_DISPLAY (f
), XC_crosshair
);
1693 if (!NILP (Vx_window_horizontal_drag_shape
))
1695 CHECK_NUMBER (Vx_window_horizontal_drag_shape
);
1696 horizontal_drag_cursor
1697 = XCreateFontCursor (FRAME_X_DISPLAY (f
),
1698 XINT (Vx_window_horizontal_drag_shape
));
1701 horizontal_drag_cursor
1702 = XCreateFontCursor (FRAME_X_DISPLAY (f
), XC_sb_h_double_arrow
);
1704 /* Check and report errors with the above calls. */
1705 x_check_errors (FRAME_W32_DISPLAY (f
), "can't set cursor shape: %s");
1706 x_uncatch_errors (FRAME_W32_DISPLAY (f
), count
);
1709 XColor fore_color
, back_color
;
1711 fore_color
.pixel
= f
->output_data
.w32
->mouse_pixel
;
1712 back_color
.pixel
= mask_color
;
1713 XQueryColor (FRAME_W32_DISPLAY (f
),
1714 DefaultColormap (FRAME_W32_DISPLAY (f
),
1715 DefaultScreen (FRAME_W32_DISPLAY (f
))),
1717 XQueryColor (FRAME_W32_DISPLAY (f
),
1718 DefaultColormap (FRAME_W32_DISPLAY (f
),
1719 DefaultScreen (FRAME_W32_DISPLAY (f
))),
1721 XRecolorCursor (FRAME_W32_DISPLAY (f
), cursor
,
1722 &fore_color
, &back_color
);
1723 XRecolorCursor (FRAME_W32_DISPLAY (f
), nontext_cursor
,
1724 &fore_color
, &back_color
);
1725 XRecolorCursor (FRAME_W32_DISPLAY (f
), mode_cursor
,
1726 &fore_color
, &back_color
);
1727 XRecolorCursor (FRAME_W32_DISPLAY (f
), hand_cursor
,
1728 &fore_color
, &back_color
);
1729 XRecolorCursor (FRAME_W32_DISPLAY (f
), hourglass_cursor
,
1730 &fore_color
, &back_color
);
1733 if (FRAME_W32_WINDOW (f
) != 0)
1734 XDefineCursor (FRAME_W32_DISPLAY (f
), FRAME_W32_WINDOW (f
), cursor
);
1736 if (cursor
!= f
->output_data
.w32
->text_cursor
&& f
->output_data
.w32
->text_cursor
!= 0)
1737 XFreeCursor (FRAME_W32_DISPLAY (f
), f
->output_data
.w32
->text_cursor
);
1738 f
->output_data
.w32
->text_cursor
= cursor
;
1740 if (nontext_cursor
!= f
->output_data
.w32
->nontext_cursor
1741 && f
->output_data
.w32
->nontext_cursor
!= 0)
1742 XFreeCursor (FRAME_W32_DISPLAY (f
), f
->output_data
.w32
->nontext_cursor
);
1743 f
->output_data
.w32
->nontext_cursor
= nontext_cursor
;
1745 if (hourglass_cursor
!= f
->output_data
.w32
->hourglass_cursor
1746 && f
->output_data
.w32
->hourglass_cursor
!= 0)
1747 XFreeCursor (FRAME_W32_DISPLAY (f
), f
->output_data
.w32
->hourglass_cursor
);
1748 f
->output_data
.w32
->hourglass_cursor
= hourglass_cursor
;
1750 if (mode_cursor
!= f
->output_data
.w32
->modeline_cursor
1751 && f
->output_data
.w32
->modeline_cursor
!= 0)
1752 XFreeCursor (FRAME_W32_DISPLAY (f
), f
->output_data
.w32
->modeline_cursor
);
1753 f
->output_data
.w32
->modeline_cursor
= mode_cursor
;
1755 if (hand_cursor
!= f
->output_data
.w32
->hand_cursor
1756 && f
->output_data
.w32
->hand_cursor
!= 0)
1757 XFreeCursor (FRAME_W32_DISPLAY (f
), f
->output_data
.w32
->hand_cursor
);
1758 f
->output_data
.w32
->hand_cursor
= hand_cursor
;
1760 XFlush (FRAME_W32_DISPLAY (f
));
1763 update_face_from_frame_parameter (f
, Qmouse_color
, arg
);
1767 /* Defined in w32term.c. */
1769 x_set_cursor_color (f
, arg
, oldval
)
1771 Lisp_Object arg
, oldval
;
1773 unsigned long fore_pixel
, pixel
;
1775 if (!NILP (Vx_cursor_fore_pixel
))
1776 fore_pixel
= x_decode_color (f
, Vx_cursor_fore_pixel
,
1777 WHITE_PIX_DEFAULT (f
));
1779 fore_pixel
= FRAME_BACKGROUND_PIXEL (f
);
1781 pixel
= x_decode_color (f
, arg
, BLACK_PIX_DEFAULT (f
));
1783 /* Make sure that the cursor color differs from the background color. */
1784 if (pixel
== FRAME_BACKGROUND_PIXEL (f
))
1786 pixel
= f
->output_data
.w32
->mouse_pixel
;
1787 if (pixel
== fore_pixel
)
1788 fore_pixel
= FRAME_BACKGROUND_PIXEL (f
);
1791 f
->output_data
.w32
->cursor_foreground_pixel
= fore_pixel
;
1792 f
->output_data
.w32
->cursor_pixel
= pixel
;
1794 if (FRAME_W32_WINDOW (f
) != 0)
1797 /* Update frame's cursor_gc. */
1798 f
->output_data
.w32
->cursor_gc
->foreground
= fore_pixel
;
1799 f
->output_data
.w32
->cursor_gc
->background
= pixel
;
1803 if (FRAME_VISIBLE_P (f
))
1805 x_update_cursor (f
, 0);
1806 x_update_cursor (f
, 1);
1810 update_face_from_frame_parameter (f
, Qcursor_color
, arg
);
1813 /* Set the border-color of frame F to pixel value PIX.
1814 Note that this does not fully take effect if done before
1818 x_set_border_pixel (f
, pix
)
1823 f
->output_data
.w32
->border_pixel
= pix
;
1825 if (FRAME_W32_WINDOW (f
) != 0 && f
->border_width
> 0)
1827 if (FRAME_VISIBLE_P (f
))
1832 /* Set the border-color of frame F to value described by ARG.
1833 ARG can be a string naming a color.
1834 The border-color is used for the border that is drawn by the server.
1835 Note that this does not fully take effect if done before
1836 F has a window; it must be redone when the window is created. */
1839 x_set_border_color (f
, arg
, oldval
)
1841 Lisp_Object arg
, oldval
;
1846 pix
= x_decode_color (f
, arg
, BLACK_PIX_DEFAULT (f
));
1847 x_set_border_pixel (f
, pix
);
1848 update_face_from_frame_parameter (f
, Qborder_color
, arg
);
1853 x_set_cursor_type (f
, arg
, oldval
)
1855 Lisp_Object arg
, oldval
;
1857 set_frame_cursor_types (f
, arg
);
1859 /* Make sure the cursor gets redrawn. */
1860 cursor_type_changed
= 1;
1864 x_set_icon_type (f
, arg
, oldval
)
1866 Lisp_Object arg
, oldval
;
1870 if (NILP (arg
) && NILP (oldval
))
1873 if (STRINGP (arg
) && STRINGP (oldval
)
1874 && EQ (Fstring_equal (oldval
, arg
), Qt
))
1877 if (SYMBOLP (arg
) && SYMBOLP (oldval
) && EQ (arg
, oldval
))
1882 result
= x_bitmap_icon (f
, arg
);
1886 error ("No icon window available");
1893 x_set_icon_name (f
, arg
, oldval
)
1895 Lisp_Object arg
, oldval
;
1899 if (STRINGP (oldval
) && EQ (Fstring_equal (oldval
, arg
), Qt
))
1902 else if (!STRINGP (oldval
) && EQ (oldval
, Qnil
) == EQ (arg
, Qnil
))
1908 if (f
->output_data
.w32
->icon_bitmap
!= 0)
1913 result
= x_text_icon (f
,
1914 (char *) SDATA ((!NILP (f
->icon_name
)
1923 error ("No icon window available");
1926 /* If the window was unmapped (and its icon was mapped),
1927 the new icon is not mapped, so map the window in its stead. */
1928 if (FRAME_VISIBLE_P (f
))
1930 #ifdef USE_X_TOOLKIT
1931 XtPopup (f
->output_data
.w32
->widget
, XtGrabNone
);
1933 XMapWindow (FRAME_W32_DISPLAY (f
), FRAME_W32_WINDOW (f
));
1936 XFlush (FRAME_W32_DISPLAY (f
));
1943 x_set_menu_bar_lines (f
, value
, oldval
)
1945 Lisp_Object value
, oldval
;
1948 int olines
= FRAME_MENU_BAR_LINES (f
);
1950 /* Right now, menu bars don't work properly in minibuf-only frames;
1951 most of the commands try to apply themselves to the minibuffer
1952 frame itself, and get an error because you can't switch buffers
1953 in or split the minibuffer window. */
1954 if (FRAME_MINIBUF_ONLY_P (f
))
1957 if (INTEGERP (value
))
1958 nlines
= XINT (value
);
1962 FRAME_MENU_BAR_LINES (f
) = 0;
1964 FRAME_EXTERNAL_MENU_BAR (f
) = 1;
1967 if (FRAME_EXTERNAL_MENU_BAR (f
) == 1)
1968 free_frame_menubar (f
);
1969 FRAME_EXTERNAL_MENU_BAR (f
) = 0;
1971 /* Adjust the frame size so that the client (text) dimensions
1972 remain the same. This depends on FRAME_EXTERNAL_MENU_BAR being
1974 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
1975 do_pending_window_change (0);
1981 /* Set the number of lines used for the tool bar of frame F to VALUE.
1982 VALUE not an integer, or < 0 means set the lines to zero. OLDVAL
1983 is the old number of tool bar lines. This function changes the
1984 height of all windows on frame F to match the new tool bar height.
1985 The frame's height doesn't change. */
1988 x_set_tool_bar_lines (f
, value
, oldval
)
1990 Lisp_Object value
, oldval
;
1992 int delta
, nlines
, root_height
;
1993 Lisp_Object root_window
;
1995 /* Treat tool bars like menu bars. */
1996 if (FRAME_MINIBUF_ONLY_P (f
))
1999 /* Use VALUE only if an integer >= 0. */
2000 if (INTEGERP (value
) && XINT (value
) >= 0)
2001 nlines
= XFASTINT (value
);
2005 /* Make sure we redisplay all windows in this frame. */
2006 ++windows_or_buffers_changed
;
2008 delta
= nlines
- FRAME_TOOL_BAR_LINES (f
);
2010 /* Don't resize the tool-bar to more than we have room for. */
2011 root_window
= FRAME_ROOT_WINDOW (f
);
2012 root_height
= WINDOW_TOTAL_LINES (XWINDOW (root_window
));
2013 if (root_height
- delta
< 1)
2015 delta
= root_height
- 1;
2016 nlines
= FRAME_TOOL_BAR_LINES (f
) + delta
;
2019 FRAME_TOOL_BAR_LINES (f
) = nlines
;
2020 change_window_heights (root_window
, delta
);
2023 /* We also have to make sure that the internal border at the top of
2024 the frame, below the menu bar or tool bar, is redrawn when the
2025 tool bar disappears. This is so because the internal border is
2026 below the tool bar if one is displayed, but is below the menu bar
2027 if there isn't a tool bar. The tool bar draws into the area
2028 below the menu bar. */
2029 if (FRAME_W32_WINDOW (f
) && FRAME_TOOL_BAR_LINES (f
) == 0)
2033 clear_current_matrices (f
);
2034 updating_frame
= NULL
;
2037 /* If the tool bar gets smaller, the internal border below it
2038 has to be cleared. It was formerly part of the display
2039 of the larger tool bar, and updating windows won't clear it. */
2042 int height
= FRAME_INTERNAL_BORDER_WIDTH (f
);
2043 int width
= FRAME_PIXEL_WIDTH (f
);
2044 int y
= nlines
* FRAME_LINE_HEIGHT (f
);
2048 HDC hdc
= get_frame_dc (f
);
2049 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
2050 release_frame_dc (f
, hdc
);
2054 if (WINDOWP (f
->tool_bar_window
))
2055 clear_glyph_matrix (XWINDOW (f
->tool_bar_window
)->current_matrix
);
2060 /* Change the name of frame F to NAME. If NAME is nil, set F's name to
2063 If EXPLICIT is non-zero, that indicates that lisp code is setting the
2064 name; if NAME is a string, set F's name to NAME and set
2065 F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
2067 If EXPLICIT is zero, that indicates that Emacs redisplay code is
2068 suggesting a new name, which lisp code should override; if
2069 F->explicit_name is set, ignore the new name; otherwise, set it. */
2072 x_set_name (f
, name
, explicit)
2077 /* Make sure that requests from lisp code override requests from
2078 Emacs redisplay code. */
2081 /* If we're switching from explicit to implicit, we had better
2082 update the mode lines and thereby update the title. */
2083 if (f
->explicit_name
&& NILP (name
))
2084 update_mode_lines
= 1;
2086 f
->explicit_name
= ! NILP (name
);
2088 else if (f
->explicit_name
)
2091 /* If NAME is nil, set the name to the w32_id_name. */
2094 /* Check for no change needed in this very common case
2095 before we do any consing. */
2096 if (!strcmp (FRAME_W32_DISPLAY_INFO (f
)->w32_id_name
,
2099 name
= build_string (FRAME_W32_DISPLAY_INFO (f
)->w32_id_name
);
2102 CHECK_STRING (name
);
2104 /* Don't change the name if it's already NAME. */
2105 if (! NILP (Fstring_equal (name
, f
->name
)))
2110 /* For setting the frame title, the title parameter should override
2111 the name parameter. */
2112 if (! NILP (f
->title
))
2115 if (FRAME_W32_WINDOW (f
))
2117 if (STRING_MULTIBYTE (name
))
2118 name
= ENCODE_SYSTEM (name
);
2121 SetWindowText(FRAME_W32_WINDOW (f
), SDATA (name
));
2126 /* This function should be called when the user's lisp code has
2127 specified a name for the frame; the name will override any set by the
2130 x_explicitly_set_name (f
, arg
, oldval
)
2132 Lisp_Object arg
, oldval
;
2134 x_set_name (f
, arg
, 1);
2137 /* This function should be called by Emacs redisplay code to set the
2138 name; names set this way will never override names set by the user's
2141 x_implicitly_set_name (f
, arg
, oldval
)
2143 Lisp_Object arg
, oldval
;
2145 x_set_name (f
, arg
, 0);
2148 /* Change the title of frame F to NAME.
2149 If NAME is nil, use the frame name as the title.
2151 If EXPLICIT is non-zero, that indicates that lisp code is setting the
2152 name; if NAME is a string, set F's name to NAME and set
2153 F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
2155 If EXPLICIT is zero, that indicates that Emacs redisplay code is
2156 suggesting a new name, which lisp code should override; if
2157 F->explicit_name is set, ignore the new name; otherwise, set it. */
2160 x_set_title (f
, name
, old_name
)
2162 Lisp_Object name
, old_name
;
2164 /* Don't change the title if it's already NAME. */
2165 if (EQ (name
, f
->title
))
2168 update_mode_lines
= 1;
2175 if (FRAME_W32_WINDOW (f
))
2177 if (STRING_MULTIBYTE (name
))
2178 name
= ENCODE_SYSTEM (name
);
2181 SetWindowText(FRAME_W32_WINDOW (f
), SDATA (name
));
2187 void x_set_scroll_bar_default_width (f
)
2190 int wid
= FRAME_COLUMN_WIDTH (f
);
2192 FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) = GetSystemMetrics (SM_CXVSCROLL
);
2193 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) +
2198 /* Subroutines of creating a frame. */
2201 /* Return the value of parameter PARAM.
2203 First search ALIST, then Vdefault_frame_alist, then the X defaults
2204 database, using ATTRIBUTE as the attribute name and CLASS as its class.
2206 Convert the resource to the type specified by desired_type.
2208 If no default is specified, return Qunbound. If you call
2209 w32_get_arg, make sure you deal with Qunbound in a reasonable way,
2210 and don't let it get stored in any Lisp-visible variables! */
2213 w32_get_arg (alist
, param
, attribute
, class, type
)
2214 Lisp_Object alist
, param
;
2217 enum resource_types type
;
2219 return x_get_arg (check_x_display_info (Qnil
),
2220 alist
, param
, attribute
, class, type
);
2225 w32_load_cursor (LPCTSTR name
)
2227 /* Try first to load cursor from application resource. */
2228 Cursor cursor
= LoadImage ((HINSTANCE
) GetModuleHandle(NULL
),
2229 name
, IMAGE_CURSOR
, 0, 0,
2230 LR_DEFAULTCOLOR
| LR_DEFAULTSIZE
| LR_SHARED
);
2233 /* Then try to load a shared predefined cursor. */
2234 cursor
= LoadImage (NULL
, name
, IMAGE_CURSOR
, 0, 0,
2235 LR_DEFAULTCOLOR
| LR_DEFAULTSIZE
| LR_SHARED
);
2240 extern LRESULT CALLBACK
w32_wnd_proc ();
2243 w32_init_class (hinst
)
2248 wc
.style
= CS_HREDRAW
| CS_VREDRAW
;
2249 wc
.lpfnWndProc
= (WNDPROC
) w32_wnd_proc
;
2251 wc
.cbWndExtra
= WND_EXTRA_BYTES
;
2252 wc
.hInstance
= hinst
;
2253 wc
.hIcon
= LoadIcon (hinst
, EMACS_CLASS
);
2254 wc
.hCursor
= w32_load_cursor (IDC_ARROW
);
2255 wc
.hbrBackground
= NULL
; /* GetStockObject (WHITE_BRUSH); */
2256 wc
.lpszMenuName
= NULL
;
2257 wc
.lpszClassName
= EMACS_CLASS
;
2259 return (RegisterClass (&wc
));
2263 w32_createscrollbar (f
, bar
)
2265 struct scroll_bar
* bar
;
2267 return (CreateWindow ("SCROLLBAR", "", SBS_VERT
| WS_CHILD
| WS_VISIBLE
,
2268 /* Position and size of scroll bar. */
2269 XINT(bar
->left
) + VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
2271 XINT(bar
->width
) - VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
2273 FRAME_W32_WINDOW (f
),
2280 w32_createwindow (f
)
2286 rect
.left
= rect
.top
= 0;
2287 rect
.right
= FRAME_PIXEL_WIDTH (f
);
2288 rect
.bottom
= FRAME_PIXEL_HEIGHT (f
);
2290 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
2291 FRAME_EXTERNAL_MENU_BAR (f
));
2293 /* Do first time app init */
2297 w32_init_class (hinst
);
2300 FRAME_W32_WINDOW (f
) = hwnd
2301 = CreateWindow (EMACS_CLASS
,
2303 f
->output_data
.w32
->dwStyle
| WS_CLIPCHILDREN
,
2306 rect
.right
- rect
.left
,
2307 rect
.bottom
- rect
.top
,
2315 SetWindowLong (hwnd
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
2316 SetWindowLong (hwnd
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
2317 SetWindowLong (hwnd
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
2318 SetWindowLong (hwnd
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
2319 SetWindowLong (hwnd
, WND_BACKGROUND_INDEX
, FRAME_BACKGROUND_PIXEL (f
));
2321 /* Enable drag-n-drop. */
2322 DragAcceptFiles (hwnd
, TRUE
);
2324 /* Do this to discard the default setting specified by our parent. */
2325 ShowWindow (hwnd
, SW_HIDE
);
2330 my_post_msg (wmsg
, hwnd
, msg
, wParam
, lParam
)
2337 wmsg
->msg
.hwnd
= hwnd
;
2338 wmsg
->msg
.message
= msg
;
2339 wmsg
->msg
.wParam
= wParam
;
2340 wmsg
->msg
.lParam
= lParam
;
2341 wmsg
->msg
.time
= GetMessageTime ();
2346 /* GetKeyState and MapVirtualKey on Windows 95 do not actually distinguish
2347 between left and right keys as advertised. We test for this
2348 support dynamically, and set a flag when the support is absent. If
2349 absent, we keep track of the left and right control and alt keys
2350 ourselves. This is particularly necessary on keyboards that rely
2351 upon the AltGr key, which is represented as having the left control
2352 and right alt keys pressed. For these keyboards, we need to know
2353 when the left alt key has been pressed in addition to the AltGr key
2354 so that we can properly support M-AltGr-key sequences (such as M-@
2355 on Swedish keyboards). */
2357 #define EMACS_LCONTROL 0
2358 #define EMACS_RCONTROL 1
2359 #define EMACS_LMENU 2
2360 #define EMACS_RMENU 3
2362 static int modifiers
[4];
2363 static int modifiers_recorded
;
2364 static int modifier_key_support_tested
;
2367 test_modifier_support (unsigned int wparam
)
2371 if (wparam
!= VK_CONTROL
&& wparam
!= VK_MENU
)
2373 if (wparam
== VK_CONTROL
)
2383 if (!(GetKeyState (l
) & 0x8000) && !(GetKeyState (r
) & 0x8000))
2384 modifiers_recorded
= 1;
2386 modifiers_recorded
= 0;
2387 modifier_key_support_tested
= 1;
2391 record_keydown (unsigned int wparam
, unsigned int lparam
)
2395 if (!modifier_key_support_tested
)
2396 test_modifier_support (wparam
);
2398 if ((wparam
!= VK_CONTROL
&& wparam
!= VK_MENU
) || !modifiers_recorded
)
2401 if (wparam
== VK_CONTROL
)
2402 i
= (lparam
& 0x1000000) ? EMACS_RCONTROL
: EMACS_LCONTROL
;
2404 i
= (lparam
& 0x1000000) ? EMACS_RMENU
: EMACS_LMENU
;
2410 record_keyup (unsigned int wparam
, unsigned int lparam
)
2414 if ((wparam
!= VK_CONTROL
&& wparam
!= VK_MENU
) || !modifiers_recorded
)
2417 if (wparam
== VK_CONTROL
)
2418 i
= (lparam
& 0x1000000) ? EMACS_RCONTROL
: EMACS_LCONTROL
;
2420 i
= (lparam
& 0x1000000) ? EMACS_RMENU
: EMACS_LMENU
;
2425 /* Emacs can lose focus while a modifier key has been pressed. When
2426 it regains focus, be conservative and clear all modifiers since
2427 we cannot reconstruct the left and right modifier state. */
2433 if (GetFocus () == NULL
)
2434 /* Emacs doesn't have keyboard focus. Do nothing. */
2437 ctrl
= GetAsyncKeyState (VK_CONTROL
);
2438 alt
= GetAsyncKeyState (VK_MENU
);
2440 if (!(ctrl
& 0x08000))
2441 /* Clear any recorded control modifier state. */
2442 modifiers
[EMACS_RCONTROL
] = modifiers
[EMACS_LCONTROL
] = 0;
2444 if (!(alt
& 0x08000))
2445 /* Clear any recorded alt modifier state. */
2446 modifiers
[EMACS_RMENU
] = modifiers
[EMACS_LMENU
] = 0;
2448 /* Update the state of all modifier keys, because modifiers used in
2449 hot-key combinations can get stuck on if Emacs loses focus as a
2450 result of a hot-key being pressed. */
2454 #define CURRENT_STATE(key) ((GetAsyncKeyState (key) & 0x8000) >> 8)
2456 GetKeyboardState (keystate
);
2457 keystate
[VK_SHIFT
] = CURRENT_STATE (VK_SHIFT
);
2458 keystate
[VK_CONTROL
] = CURRENT_STATE (VK_CONTROL
);
2459 keystate
[VK_LCONTROL
] = CURRENT_STATE (VK_LCONTROL
);
2460 keystate
[VK_RCONTROL
] = CURRENT_STATE (VK_RCONTROL
);
2461 keystate
[VK_MENU
] = CURRENT_STATE (VK_MENU
);
2462 keystate
[VK_LMENU
] = CURRENT_STATE (VK_LMENU
);
2463 keystate
[VK_RMENU
] = CURRENT_STATE (VK_RMENU
);
2464 keystate
[VK_LWIN
] = CURRENT_STATE (VK_LWIN
);
2465 keystate
[VK_RWIN
] = CURRENT_STATE (VK_RWIN
);
2466 keystate
[VK_APPS
] = CURRENT_STATE (VK_APPS
);
2467 SetKeyboardState (keystate
);
2471 /* Synchronize modifier state with what is reported with the current
2472 keystroke. Even if we cannot distinguish between left and right
2473 modifier keys, we know that, if no modifiers are set, then neither
2474 the left or right modifier should be set. */
2478 if (!modifiers_recorded
)
2481 if (!(GetKeyState (VK_CONTROL
) & 0x8000))
2482 modifiers
[EMACS_RCONTROL
] = modifiers
[EMACS_LCONTROL
] = 0;
2484 if (!(GetKeyState (VK_MENU
) & 0x8000))
2485 modifiers
[EMACS_RMENU
] = modifiers
[EMACS_LMENU
] = 0;
2489 modifier_set (int vkey
)
2491 if (vkey
== VK_CAPITAL
|| vkey
== VK_SCROLL
)
2492 return (GetKeyState (vkey
) & 0x1);
2493 if (!modifiers_recorded
)
2494 return (GetKeyState (vkey
) & 0x8000);
2499 return modifiers
[EMACS_LCONTROL
];
2501 return modifiers
[EMACS_RCONTROL
];
2503 return modifiers
[EMACS_LMENU
];
2505 return modifiers
[EMACS_RMENU
];
2507 return (GetKeyState (vkey
) & 0x8000);
2510 /* Convert between the modifier bits W32 uses and the modifier bits
2514 w32_key_to_modifier (int key
)
2516 Lisp_Object key_mapping
;
2521 key_mapping
= Vw32_lwindow_modifier
;
2524 key_mapping
= Vw32_rwindow_modifier
;
2527 key_mapping
= Vw32_apps_modifier
;
2530 key_mapping
= Vw32_scroll_lock_modifier
;
2536 /* NB. This code runs in the input thread, asychronously to the lisp
2537 thread, so we must be careful to ensure access to lisp data is
2538 thread-safe. The following code is safe because the modifier
2539 variable values are updated atomically from lisp and symbols are
2540 not relocated by GC. Also, we don't have to worry about seeing GC
2542 if (EQ (key_mapping
, Qhyper
))
2543 return hyper_modifier
;
2544 if (EQ (key_mapping
, Qsuper
))
2545 return super_modifier
;
2546 if (EQ (key_mapping
, Qmeta
))
2547 return meta_modifier
;
2548 if (EQ (key_mapping
, Qalt
))
2549 return alt_modifier
;
2550 if (EQ (key_mapping
, Qctrl
))
2551 return ctrl_modifier
;
2552 if (EQ (key_mapping
, Qcontrol
)) /* synonym for ctrl */
2553 return ctrl_modifier
;
2554 if (EQ (key_mapping
, Qshift
))
2555 return shift_modifier
;
2557 /* Don't generate any modifier if not explicitly requested. */
2562 w32_get_modifiers ()
2564 return ((modifier_set (VK_SHIFT
) ? shift_modifier
: 0) |
2565 (modifier_set (VK_CONTROL
) ? ctrl_modifier
: 0) |
2566 (modifier_set (VK_LWIN
) ? w32_key_to_modifier (VK_LWIN
) : 0) |
2567 (modifier_set (VK_RWIN
) ? w32_key_to_modifier (VK_RWIN
) : 0) |
2568 (modifier_set (VK_APPS
) ? w32_key_to_modifier (VK_APPS
) : 0) |
2569 (modifier_set (VK_SCROLL
) ? w32_key_to_modifier (VK_SCROLL
) : 0) |
2570 (modifier_set (VK_MENU
) ?
2571 ((NILP (Vw32_alt_is_meta
)) ? alt_modifier
: meta_modifier
) : 0));
2574 /* We map the VK_* modifiers into console modifier constants
2575 so that we can use the same routines to handle both console
2576 and window input. */
2579 construct_console_modifiers ()
2584 mods
|= (modifier_set (VK_SHIFT
)) ? SHIFT_PRESSED
: 0;
2585 mods
|= (modifier_set (VK_CAPITAL
)) ? CAPSLOCK_ON
: 0;
2586 mods
|= (modifier_set (VK_SCROLL
)) ? SCROLLLOCK_ON
: 0;
2587 mods
|= (modifier_set (VK_NUMLOCK
)) ? NUMLOCK_ON
: 0;
2588 mods
|= (modifier_set (VK_LCONTROL
)) ? LEFT_CTRL_PRESSED
: 0;
2589 mods
|= (modifier_set (VK_RCONTROL
)) ? RIGHT_CTRL_PRESSED
: 0;
2590 mods
|= (modifier_set (VK_LMENU
)) ? LEFT_ALT_PRESSED
: 0;
2591 mods
|= (modifier_set (VK_RMENU
)) ? RIGHT_ALT_PRESSED
: 0;
2592 mods
|= (modifier_set (VK_LWIN
)) ? LEFT_WIN_PRESSED
: 0;
2593 mods
|= (modifier_set (VK_RWIN
)) ? RIGHT_WIN_PRESSED
: 0;
2594 mods
|= (modifier_set (VK_APPS
)) ? APPS_PRESSED
: 0;
2600 w32_get_key_modifiers (unsigned int wparam
, unsigned int lparam
)
2604 /* Convert to emacs modifiers. */
2605 mods
= w32_kbd_mods_to_emacs (construct_console_modifiers (), wparam
);
2611 map_keypad_keys (unsigned int virt_key
, unsigned int extended
)
2613 if (virt_key
< VK_CLEAR
|| virt_key
> VK_DELETE
)
2616 if (virt_key
== VK_RETURN
)
2617 return (extended
? VK_NUMPAD_ENTER
: VK_RETURN
);
2619 if (virt_key
>= VK_PRIOR
&& virt_key
<= VK_DOWN
)
2620 return (!extended
? (VK_NUMPAD_PRIOR
+ (virt_key
- VK_PRIOR
)) : virt_key
);
2622 if (virt_key
== VK_INSERT
|| virt_key
== VK_DELETE
)
2623 return (!extended
? (VK_NUMPAD_INSERT
+ (virt_key
- VK_INSERT
)) : virt_key
);
2625 if (virt_key
== VK_CLEAR
)
2626 return (!extended
? VK_NUMPAD_CLEAR
: virt_key
);
2631 /* List of special key combinations which w32 would normally capture,
2632 but emacs should grab instead. Not directly visible to lisp, to
2633 simplify synchronization. Each item is an integer encoding a virtual
2634 key code and modifier combination to capture. */
2635 Lisp_Object w32_grabbed_keys
;
2637 #define HOTKEY(vk,mods) make_number (((vk) & 255) | ((mods) << 8))
2638 #define HOTKEY_ID(k) (XFASTINT (k) & 0xbfff)
2639 #define HOTKEY_VK_CODE(k) (XFASTINT (k) & 255)
2640 #define HOTKEY_MODIFIERS(k) (XFASTINT (k) >> 8)
2642 /* Register hot-keys for reserved key combinations when Emacs has
2643 keyboard focus, since this is the only way Emacs can receive key
2644 combinations like Alt-Tab which are used by the system. */
2647 register_hot_keys (hwnd
)
2650 Lisp_Object keylist
;
2652 /* Use GC_CONSP, since we are called asynchronously. */
2653 for (keylist
= w32_grabbed_keys
; GC_CONSP (keylist
); keylist
= XCDR (keylist
))
2655 Lisp_Object key
= XCAR (keylist
);
2657 /* Deleted entries get set to nil. */
2658 if (!INTEGERP (key
))
2661 RegisterHotKey (hwnd
, HOTKEY_ID (key
),
2662 HOTKEY_MODIFIERS (key
), HOTKEY_VK_CODE (key
));
2667 unregister_hot_keys (hwnd
)
2670 Lisp_Object keylist
;
2672 /* Use GC_CONSP, since we are called asynchronously. */
2673 for (keylist
= w32_grabbed_keys
; GC_CONSP (keylist
); keylist
= XCDR (keylist
))
2675 Lisp_Object key
= XCAR (keylist
);
2677 if (!INTEGERP (key
))
2680 UnregisterHotKey (hwnd
, HOTKEY_ID (key
));
2684 /* Main message dispatch loop. */
2687 w32_msg_pump (deferred_msg
* msg_buf
)
2693 msh_mousewheel
= RegisterWindowMessage (MSH_MOUSEWHEEL
);
2695 while (GetMessage (&msg
, NULL
, 0, 0))
2697 if (msg
.hwnd
== NULL
)
2699 switch (msg
.message
)
2702 /* Produced by complete_deferred_msg; just ignore. */
2704 case WM_EMACS_CREATEWINDOW
:
2705 w32_createwindow ((struct frame
*) msg
.wParam
);
2706 if (!PostThreadMessage (dwMainThreadId
, WM_EMACS_DONE
, 0, 0))
2709 case WM_EMACS_SETLOCALE
:
2710 SetThreadLocale (msg
.wParam
);
2711 /* Reply is not expected. */
2713 case WM_EMACS_SETKEYBOARDLAYOUT
:
2714 result
= (int) ActivateKeyboardLayout ((HKL
) msg
.wParam
, 0);
2715 if (!PostThreadMessage (dwMainThreadId
, WM_EMACS_DONE
,
2719 case WM_EMACS_REGISTER_HOT_KEY
:
2720 focus_window
= GetFocus ();
2721 if (focus_window
!= NULL
)
2722 RegisterHotKey (focus_window
,
2723 HOTKEY_ID (msg
.wParam
),
2724 HOTKEY_MODIFIERS (msg
.wParam
),
2725 HOTKEY_VK_CODE (msg
.wParam
));
2726 /* Reply is not expected. */
2728 case WM_EMACS_UNREGISTER_HOT_KEY
:
2729 focus_window
= GetFocus ();
2730 if (focus_window
!= NULL
)
2731 UnregisterHotKey (focus_window
, HOTKEY_ID (msg
.wParam
));
2732 /* Mark item as erased. NB: this code must be
2733 thread-safe. The next line is okay because the cons
2734 cell is never made into garbage and is not relocated by
2736 XSETCAR ((Lisp_Object
) msg
.lParam
, Qnil
);
2737 if (!PostThreadMessage (dwMainThreadId
, WM_EMACS_DONE
, 0, 0))
2740 case WM_EMACS_TOGGLE_LOCK_KEY
:
2742 int vk_code
= (int) msg
.wParam
;
2743 int cur_state
= (GetKeyState (vk_code
) & 1);
2744 Lisp_Object new_state
= (Lisp_Object
) msg
.lParam
;
2746 /* NB: This code must be thread-safe. It is safe to
2747 call NILP because symbols are not relocated by GC,
2748 and pointer here is not touched by GC (so the markbit
2749 can't be set). Numbers are safe because they are
2750 immediate values. */
2751 if (NILP (new_state
)
2752 || (NUMBERP (new_state
)
2753 && ((XUINT (new_state
)) & 1) != cur_state
))
2755 one_w32_display_info
.faked_key
= vk_code
;
2757 keybd_event ((BYTE
) vk_code
,
2758 (BYTE
) MapVirtualKey (vk_code
, 0),
2759 KEYEVENTF_EXTENDEDKEY
| KEYEVENTF_KEYUP
, 0);
2760 keybd_event ((BYTE
) vk_code
,
2761 (BYTE
) MapVirtualKey (vk_code
, 0),
2762 KEYEVENTF_EXTENDEDKEY
| 0, 0);
2763 keybd_event ((BYTE
) vk_code
,
2764 (BYTE
) MapVirtualKey (vk_code
, 0),
2765 KEYEVENTF_EXTENDEDKEY
| KEYEVENTF_KEYUP
, 0);
2766 cur_state
= !cur_state
;
2768 if (!PostThreadMessage (dwMainThreadId
, WM_EMACS_DONE
,
2774 DebPrint (("msg %x not expected by w32_msg_pump\n", msg
.message
));
2779 DispatchMessage (&msg
);
2782 /* Exit nested loop when our deferred message has completed. */
2783 if (msg_buf
->completed
)
2788 deferred_msg
* deferred_msg_head
;
2790 static deferred_msg
*
2791 find_deferred_msg (HWND hwnd
, UINT msg
)
2793 deferred_msg
* item
;
2795 /* Don't actually need synchronization for read access, since
2796 modification of single pointer is always atomic. */
2797 /* enter_crit (); */
2799 for (item
= deferred_msg_head
; item
!= NULL
; item
= item
->next
)
2800 if (item
->w32msg
.msg
.hwnd
== hwnd
2801 && item
->w32msg
.msg
.message
== msg
)
2804 /* leave_crit (); */
2810 send_deferred_msg (deferred_msg
* msg_buf
,
2816 /* Only input thread can send deferred messages. */
2817 if (GetCurrentThreadId () != dwWindowsThreadId
)
2820 /* It is an error to send a message that is already deferred. */
2821 if (find_deferred_msg (hwnd
, msg
) != NULL
)
2824 /* Enforced synchronization is not needed because this is the only
2825 function that alters deferred_msg_head, and the following critical
2826 section is guaranteed to only be serially reentered (since only the
2827 input thread can call us). */
2829 /* enter_crit (); */
2831 msg_buf
->completed
= 0;
2832 msg_buf
->next
= deferred_msg_head
;
2833 deferred_msg_head
= msg_buf
;
2834 my_post_msg (&msg_buf
->w32msg
, hwnd
, msg
, wParam
, lParam
);
2836 /* leave_crit (); */
2838 /* Start a new nested message loop to process other messages until
2839 this one is completed. */
2840 w32_msg_pump (msg_buf
);
2842 deferred_msg_head
= msg_buf
->next
;
2844 return msg_buf
->result
;
2848 complete_deferred_msg (HWND hwnd
, UINT msg
, LRESULT result
)
2850 deferred_msg
* msg_buf
= find_deferred_msg (hwnd
, msg
);
2852 if (msg_buf
== NULL
)
2853 /* Message may have been cancelled, so don't abort(). */
2856 msg_buf
->result
= result
;
2857 msg_buf
->completed
= 1;
2859 /* Ensure input thread is woken so it notices the completion. */
2860 PostThreadMessage (dwWindowsThreadId
, WM_NULL
, 0, 0);
2864 cancel_all_deferred_msgs ()
2866 deferred_msg
* item
;
2868 /* Don't actually need synchronization for read access, since
2869 modification of single pointer is always atomic. */
2870 /* enter_crit (); */
2872 for (item
= deferred_msg_head
; item
!= NULL
; item
= item
->next
)
2875 item
->completed
= 1;
2878 /* leave_crit (); */
2880 /* Ensure input thread is woken so it notices the completion. */
2881 PostThreadMessage (dwWindowsThreadId
, WM_NULL
, 0, 0);
2889 deferred_msg dummy_buf
;
2891 /* Ensure our message queue is created */
2893 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
2895 if (!PostThreadMessage (dwMainThreadId
, WM_EMACS_DONE
, 0, 0))
2898 memset (&dummy_buf
, 0, sizeof (dummy_buf
));
2899 dummy_buf
.w32msg
.msg
.hwnd
= NULL
;
2900 dummy_buf
.w32msg
.msg
.message
= WM_NULL
;
2902 /* This is the inital message loop which should only exit when the
2903 application quits. */
2904 w32_msg_pump (&dummy_buf
);
2910 post_character_message (hwnd
, msg
, wParam
, lParam
, modifiers
)
2920 wmsg
.dwModifiers
= modifiers
;
2922 /* Detect quit_char and set quit-flag directly. Note that we
2923 still need to post a message to ensure the main thread will be
2924 woken up if blocked in sys_select(), but we do NOT want to post
2925 the quit_char message itself (because it will usually be as if
2926 the user had typed quit_char twice). Instead, we post a dummy
2927 message that has no particular effect. */
2930 if (isalpha (c
) && wmsg
.dwModifiers
== ctrl_modifier
)
2931 c
= make_ctrl_char (c
) & 0377;
2933 || (wmsg
.dwModifiers
== 0 &&
2934 XFASTINT (Vw32_quit_key
) && wParam
== XFASTINT (Vw32_quit_key
)))
2938 /* The choice of message is somewhat arbitrary, as long as
2939 the main thread handler just ignores it. */
2942 /* Interrupt any blocking system calls. */
2945 /* As a safety precaution, forcibly complete any deferred
2946 messages. This is a kludge, but I don't see any particularly
2947 clean way to handle the situation where a deferred message is
2948 "dropped" in the lisp thread, and will thus never be
2949 completed, eg. by the user trying to activate the menubar
2950 when the lisp thread is busy, and then typing C-g when the
2951 menubar doesn't open promptly (with the result that the
2952 menubar never responds at all because the deferred
2953 WM_INITMENU message is never completed). Another problem
2954 situation is when the lisp thread calls SendMessage (to send
2955 a window manager command) when a message has been deferred;
2956 the lisp thread gets blocked indefinitely waiting for the
2957 deferred message to be completed, which itself is waiting for
2958 the lisp thread to respond.
2960 Note that we don't want to block the input thread waiting for
2961 a reponse from the lisp thread (although that would at least
2962 solve the deadlock problem above), because we want to be able
2963 to receive C-g to interrupt the lisp thread. */
2964 cancel_all_deferred_msgs ();
2968 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
2971 /* Main window procedure */
2974 w32_wnd_proc (hwnd
, msg
, wParam
, lParam
)
2981 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
2983 int windows_translate
;
2986 /* Note that it is okay to call x_window_to_frame, even though we are
2987 not running in the main lisp thread, because frame deletion
2988 requires the lisp thread to synchronize with this thread. Thus, if
2989 a frame struct is returned, it can be used without concern that the
2990 lisp thread might make it disappear while we are using it.
2992 NB. Walking the frame list in this thread is safe (as long as
2993 writes of Lisp_Object slots are atomic, which they are on Windows).
2994 Although delete-frame can destructively modify the frame list while
2995 we are walking it, a garbage collection cannot occur until after
2996 delete-frame has synchronized with this thread.
2998 It is also safe to use functions that make GDI calls, such as
2999 w32_clear_rect, because these functions must obtain a DC handle
3000 from the frame struct using get_frame_dc which is thread-aware. */
3005 f
= x_window_to_frame (dpyinfo
, hwnd
);
3008 HDC hdc
= get_frame_dc (f
);
3009 GetUpdateRect (hwnd
, &wmsg
.rect
, FALSE
);
3010 w32_clear_rect (f
, hdc
, &wmsg
.rect
);
3011 release_frame_dc (f
, hdc
);
3013 #if defined (W32_DEBUG_DISPLAY)
3014 DebPrint (("WM_ERASEBKGND (frame %p): erasing %d,%d-%d,%d\n",
3016 wmsg
.rect
.left
, wmsg
.rect
.top
,
3017 wmsg
.rect
.right
, wmsg
.rect
.bottom
));
3018 #endif /* W32_DEBUG_DISPLAY */
3021 case WM_PALETTECHANGED
:
3022 /* ignore our own changes */
3023 if ((HWND
)wParam
!= hwnd
)
3025 f
= x_window_to_frame (dpyinfo
, hwnd
);
3027 /* get_frame_dc will realize our palette and force all
3028 frames to be redrawn if needed. */
3029 release_frame_dc (f
, get_frame_dc (f
));
3034 PAINTSTRUCT paintStruct
;
3036 bzero (&update_rect
, sizeof (update_rect
));
3038 f
= x_window_to_frame (dpyinfo
, hwnd
);
3041 DebPrint (("WM_PAINT received for unknown window %p\n", hwnd
));
3045 /* MSDN Docs say not to call BeginPaint if GetUpdateRect
3046 fails. Apparently this can happen under some
3048 if (GetUpdateRect (hwnd
, &update_rect
, FALSE
) || !w32_strict_painting
)
3051 BeginPaint (hwnd
, &paintStruct
);
3053 /* The rectangles returned by GetUpdateRect and BeginPaint
3054 do not always match. Play it safe by assuming both areas
3056 UnionRect (&(wmsg
.rect
), &update_rect
, &(paintStruct
.rcPaint
));
3058 #if defined (W32_DEBUG_DISPLAY)
3059 DebPrint (("WM_PAINT (frame %p): painting %d,%d-%d,%d\n",
3061 wmsg
.rect
.left
, wmsg
.rect
.top
,
3062 wmsg
.rect
.right
, wmsg
.rect
.bottom
));
3063 DebPrint ((" [update region is %d,%d-%d,%d]\n",
3064 update_rect
.left
, update_rect
.top
,
3065 update_rect
.right
, update_rect
.bottom
));
3067 EndPaint (hwnd
, &paintStruct
);
3070 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3075 /* If GetUpdateRect returns 0 (meaning there is no update
3076 region), assume the whole window needs to be repainted. */
3077 GetClientRect(hwnd
, &wmsg
.rect
);
3078 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3082 case WM_INPUTLANGCHANGE
:
3083 /* Inform lisp thread of keyboard layout changes. */
3084 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3086 /* Clear dead keys in the keyboard state; for simplicity only
3087 preserve modifier key states. */
3092 GetKeyboardState (keystate
);
3093 for (i
= 0; i
< 256; i
++)
3110 SetKeyboardState (keystate
);
3115 /* Synchronize hot keys with normal input. */
3116 PostMessage (hwnd
, WM_KEYDOWN
, HIWORD (lParam
), 0);
3121 record_keyup (wParam
, lParam
);
3126 /* Ignore keystrokes we fake ourself; see below. */
3127 if (dpyinfo
->faked_key
== wParam
)
3129 dpyinfo
->faked_key
= 0;
3130 /* Make sure TranslateMessage sees them though (as long as
3131 they don't produce WM_CHAR messages). This ensures that
3132 indicator lights are toggled promptly on Windows 9x, for
3134 if (lispy_function_keys
[wParam
] != 0)
3136 windows_translate
= 1;
3142 /* Synchronize modifiers with current keystroke. */
3144 record_keydown (wParam
, lParam
);
3145 wParam
= map_keypad_keys (wParam
, (lParam
& 0x1000000L
) != 0);
3147 windows_translate
= 0;
3152 if (NILP (Vw32_pass_lwindow_to_system
))
3154 /* Prevent system from acting on keyup (which opens the
3155 Start menu if no other key was pressed) by simulating a
3156 press of Space which we will ignore. */
3157 if (GetAsyncKeyState (wParam
) & 1)
3159 if (NUMBERP (Vw32_phantom_key_code
))
3160 key
= XUINT (Vw32_phantom_key_code
) & 255;
3163 dpyinfo
->faked_key
= key
;
3164 keybd_event (key
, (BYTE
) MapVirtualKey (key
, 0), 0, 0);
3167 if (!NILP (Vw32_lwindow_modifier
))
3171 if (NILP (Vw32_pass_rwindow_to_system
))
3173 if (GetAsyncKeyState (wParam
) & 1)
3175 if (NUMBERP (Vw32_phantom_key_code
))
3176 key
= XUINT (Vw32_phantom_key_code
) & 255;
3179 dpyinfo
->faked_key
= key
;
3180 keybd_event (key
, (BYTE
) MapVirtualKey (key
, 0), 0, 0);
3183 if (!NILP (Vw32_rwindow_modifier
))
3187 if (!NILP (Vw32_apps_modifier
))
3191 if (NILP (Vw32_pass_alt_to_system
))
3192 /* Prevent DefWindowProc from activating the menu bar if an
3193 Alt key is pressed and released by itself. */
3195 windows_translate
= 1;
3198 /* Decide whether to treat as modifier or function key. */
3199 if (NILP (Vw32_enable_caps_lock
))
3200 goto disable_lock_key
;
3201 windows_translate
= 1;
3204 /* Decide whether to treat as modifier or function key. */
3205 if (NILP (Vw32_enable_num_lock
))
3206 goto disable_lock_key
;
3207 windows_translate
= 1;
3210 /* Decide whether to treat as modifier or function key. */
3211 if (NILP (Vw32_scroll_lock_modifier
))
3212 goto disable_lock_key
;
3213 windows_translate
= 1;
3216 /* Ensure the appropriate lock key state (and indicator light)
3217 remains in the same state. We do this by faking another
3218 press of the relevant key. Apparently, this really is the
3219 only way to toggle the state of the indicator lights. */
3220 dpyinfo
->faked_key
= wParam
;
3221 keybd_event ((BYTE
) wParam
, (BYTE
) MapVirtualKey (wParam
, 0),
3222 KEYEVENTF_EXTENDEDKEY
| KEYEVENTF_KEYUP
, 0);
3223 keybd_event ((BYTE
) wParam
, (BYTE
) MapVirtualKey (wParam
, 0),
3224 KEYEVENTF_EXTENDEDKEY
| 0, 0);
3225 keybd_event ((BYTE
) wParam
, (BYTE
) MapVirtualKey (wParam
, 0),
3226 KEYEVENTF_EXTENDEDKEY
| KEYEVENTF_KEYUP
, 0);
3227 /* Ensure indicator lights are updated promptly on Windows 9x
3228 (TranslateMessage apparently does this), after forwarding
3230 post_character_message (hwnd
, msg
, wParam
, lParam
,
3231 w32_get_key_modifiers (wParam
, lParam
));
3232 windows_translate
= 1;
3236 case VK_PROCESSKEY
: /* Generated by IME. */
3237 windows_translate
= 1;
3240 /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL,
3241 which is confusing for purposes of key binding; convert
3242 VK_CANCEL events into VK_PAUSE events. */
3246 /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing
3247 for purposes of key binding; convert these back into
3248 VK_NUMLOCK events, at least when we want to see NumLock key
3249 presses. (Note that there is never any possibility that
3250 VK_PAUSE with Ctrl really is C-Pause as per above.) */
3251 if (NILP (Vw32_enable_num_lock
) && modifier_set (VK_CONTROL
))
3252 wParam
= VK_NUMLOCK
;
3255 /* If not defined as a function key, change it to a WM_CHAR message. */
3256 if (lispy_function_keys
[wParam
] == 0)
3258 DWORD modifiers
= construct_console_modifiers ();
3260 if (!NILP (Vw32_recognize_altgr
)
3261 && modifier_set (VK_LCONTROL
) && modifier_set (VK_RMENU
))
3263 /* Always let TranslateMessage handle AltGr key chords;
3264 for some reason, ToAscii doesn't always process AltGr
3265 chords correctly. */
3266 windows_translate
= 1;
3268 else if ((modifiers
& (~SHIFT_PRESSED
& ~CAPSLOCK_ON
)) != 0)
3270 /* Handle key chords including any modifiers other
3271 than shift directly, in order to preserve as much
3272 modifier information as possible. */
3273 if ('A' <= wParam
&& wParam
<= 'Z')
3275 /* Don't translate modified alphabetic keystrokes,
3276 so the user doesn't need to constantly switch
3277 layout to type control or meta keystrokes when
3278 the normal layout translates alphabetic
3279 characters to non-ascii characters. */
3280 if (!modifier_set (VK_SHIFT
))
3281 wParam
+= ('a' - 'A');
3286 /* Try to handle other keystrokes by determining the
3287 base character (ie. translating the base key plus
3291 KEY_EVENT_RECORD key
;
3293 key
.bKeyDown
= TRUE
;
3294 key
.wRepeatCount
= 1;
3295 key
.wVirtualKeyCode
= wParam
;
3296 key
.wVirtualScanCode
= (lParam
& 0xFF0000) >> 16;
3297 key
.uChar
.AsciiChar
= 0;
3298 key
.dwControlKeyState
= modifiers
;
3300 add
= w32_kbd_patch_key (&key
);
3301 /* 0 means an unrecognised keycode, negative means
3302 dead key. Ignore both. */
3305 /* Forward asciified character sequence. */
3306 post_character_message
3307 (hwnd
, WM_CHAR
, key
.uChar
.AsciiChar
, lParam
,
3308 w32_get_key_modifiers (wParam
, lParam
));
3309 w32_kbd_patch_key (&key
);
3316 /* Let TranslateMessage handle everything else. */
3317 windows_translate
= 1;
3323 if (windows_translate
)
3325 MSG windows_msg
= { hwnd
, msg
, wParam
, lParam
, 0, {0,0} };
3327 windows_msg
.time
= GetMessageTime ();
3328 TranslateMessage (&windows_msg
);
3336 post_character_message (hwnd
, msg
, wParam
, lParam
,
3337 w32_get_key_modifiers (wParam
, lParam
));
3340 /* Simulate middle mouse button events when left and right buttons
3341 are used together, but only if user has two button mouse. */
3342 case WM_LBUTTONDOWN
:
3343 case WM_RBUTTONDOWN
:
3344 if (XINT (Vw32_num_mouse_buttons
) > 2)
3345 goto handle_plain_button
;
3348 int this = (msg
== WM_LBUTTONDOWN
) ? LMOUSE
: RMOUSE
;
3349 int other
= (msg
== WM_LBUTTONDOWN
) ? RMOUSE
: LMOUSE
;
3351 if (button_state
& this)
3354 if (button_state
== 0)
3357 button_state
|= this;
3359 if (button_state
& other
)
3361 if (mouse_button_timer
)
3363 KillTimer (hwnd
, mouse_button_timer
);
3364 mouse_button_timer
= 0;
3366 /* Generate middle mouse event instead. */
3367 msg
= WM_MBUTTONDOWN
;
3368 button_state
|= MMOUSE
;
3370 else if (button_state
& MMOUSE
)
3372 /* Ignore button event if we've already generated a
3373 middle mouse down event. This happens if the
3374 user releases and press one of the two buttons
3375 after we've faked a middle mouse event. */
3380 /* Flush out saved message. */
3381 post_msg (&saved_mouse_button_msg
);
3383 wmsg
.dwModifiers
= w32_get_modifiers ();
3384 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3386 /* Clear message buffer. */
3387 saved_mouse_button_msg
.msg
.hwnd
= 0;
3391 /* Hold onto message for now. */
3392 mouse_button_timer
=
3393 SetTimer (hwnd
, MOUSE_BUTTON_ID
,
3394 XINT (Vw32_mouse_button_tolerance
), NULL
);
3395 saved_mouse_button_msg
.msg
.hwnd
= hwnd
;
3396 saved_mouse_button_msg
.msg
.message
= msg
;
3397 saved_mouse_button_msg
.msg
.wParam
= wParam
;
3398 saved_mouse_button_msg
.msg
.lParam
= lParam
;
3399 saved_mouse_button_msg
.msg
.time
= GetMessageTime ();
3400 saved_mouse_button_msg
.dwModifiers
= w32_get_modifiers ();
3407 if (XINT (Vw32_num_mouse_buttons
) > 2)
3408 goto handle_plain_button
;
3411 int this = (msg
== WM_LBUTTONUP
) ? LMOUSE
: RMOUSE
;
3412 int other
= (msg
== WM_LBUTTONUP
) ? RMOUSE
: LMOUSE
;
3414 if ((button_state
& this) == 0)
3417 button_state
&= ~this;
3419 if (button_state
& MMOUSE
)
3421 /* Only generate event when second button is released. */
3422 if ((button_state
& other
) == 0)
3425 button_state
&= ~MMOUSE
;
3427 if (button_state
) abort ();
3434 /* Flush out saved message if necessary. */
3435 if (saved_mouse_button_msg
.msg
.hwnd
)
3437 post_msg (&saved_mouse_button_msg
);
3440 wmsg
.dwModifiers
= w32_get_modifiers ();
3441 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3443 /* Always clear message buffer and cancel timer. */
3444 saved_mouse_button_msg
.msg
.hwnd
= 0;
3445 KillTimer (hwnd
, mouse_button_timer
);
3446 mouse_button_timer
= 0;
3448 if (button_state
== 0)
3453 case WM_XBUTTONDOWN
:
3455 if (w32_pass_extra_mouse_buttons_to_system
)
3457 /* else fall through and process them. */
3458 case WM_MBUTTONDOWN
:
3460 handle_plain_button
:
3465 if (parse_button (msg
, HIWORD (wParam
), &button
, &up
))
3467 if (up
) ReleaseCapture ();
3468 else SetCapture (hwnd
);
3469 button
= (button
== 0) ? LMOUSE
:
3470 ((button
== 1) ? MMOUSE
: RMOUSE
);
3472 button_state
&= ~button
;
3474 button_state
|= button
;
3478 wmsg
.dwModifiers
= w32_get_modifiers ();
3479 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3481 /* Need to return true for XBUTTON messages, false for others,
3482 to indicate that we processed the message. */
3483 return (msg
== WM_XBUTTONDOWN
|| msg
== WM_XBUTTONUP
);
3486 /* If the mouse has just moved into the frame, start tracking
3487 it, so we will be notified when it leaves the frame. Mouse
3488 tracking only works under W98 and NT4 and later. On earlier
3489 versions, there is no way of telling when the mouse leaves the
3490 frame, so we just have to put up with help-echo and mouse
3491 highlighting remaining while the frame is not active. */
3492 if (track_mouse_event_fn
&& !track_mouse_window
)
3494 TRACKMOUSEEVENT tme
;
3495 tme
.cbSize
= sizeof (tme
);
3496 tme
.dwFlags
= TME_LEAVE
;
3497 tme
.hwndTrack
= hwnd
;
3499 track_mouse_event_fn (&tme
);
3500 track_mouse_window
= hwnd
;
3503 if (XINT (Vw32_mouse_move_interval
) <= 0
3504 || (msg
== WM_MOUSEMOVE
&& button_state
== 0))
3506 wmsg
.dwModifiers
= w32_get_modifiers ();
3507 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3511 /* Hang onto mouse move and scroll messages for a bit, to avoid
3512 sending such events to Emacs faster than it can process them.
3513 If we get more events before the timer from the first message
3514 expires, we just replace the first message. */
3516 if (saved_mouse_move_msg
.msg
.hwnd
== 0)
3518 SetTimer (hwnd
, MOUSE_MOVE_ID
,
3519 XINT (Vw32_mouse_move_interval
), NULL
);
3521 /* Hold onto message for now. */
3522 saved_mouse_move_msg
.msg
.hwnd
= hwnd
;
3523 saved_mouse_move_msg
.msg
.message
= msg
;
3524 saved_mouse_move_msg
.msg
.wParam
= wParam
;
3525 saved_mouse_move_msg
.msg
.lParam
= lParam
;
3526 saved_mouse_move_msg
.msg
.time
= GetMessageTime ();
3527 saved_mouse_move_msg
.dwModifiers
= w32_get_modifiers ();
3532 wmsg
.dwModifiers
= w32_get_modifiers ();
3533 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3537 wmsg
.dwModifiers
= w32_get_modifiers ();
3538 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3542 /* Flush out saved messages if necessary. */
3543 if (wParam
== mouse_button_timer
)
3545 if (saved_mouse_button_msg
.msg
.hwnd
)
3547 post_msg (&saved_mouse_button_msg
);
3548 saved_mouse_button_msg
.msg
.hwnd
= 0;
3550 KillTimer (hwnd
, mouse_button_timer
);
3551 mouse_button_timer
= 0;
3553 else if (wParam
== mouse_move_timer
)
3555 if (saved_mouse_move_msg
.msg
.hwnd
)
3557 post_msg (&saved_mouse_move_msg
);
3558 saved_mouse_move_msg
.msg
.hwnd
= 0;
3560 KillTimer (hwnd
, mouse_move_timer
);
3561 mouse_move_timer
= 0;
3563 else if (wParam
== menu_free_timer
)
3565 KillTimer (hwnd
, menu_free_timer
);
3566 menu_free_timer
= 0;
3567 f
= x_window_to_frame (dpyinfo
, hwnd
);
3568 if (!f
->output_data
.w32
->menu_command_in_progress
)
3570 /* Free memory used by owner-drawn and help-echo strings. */
3571 w32_free_menu_strings (hwnd
);
3572 f
->output_data
.w32
->menubar_active
= 0;
3578 /* Windows doesn't send us focus messages when putting up and
3579 taking down a system popup dialog as for Ctrl-Alt-Del on Windows 95.
3580 The only indication we get that something happened is receiving
3581 this message afterwards. So this is a good time to reset our
3582 keyboard modifiers' state. */
3589 /* We must ensure menu bar is fully constructed and up to date
3590 before allowing user interaction with it. To achieve this
3591 we send this message to the lisp thread and wait for a
3592 reply (whose value is not actually needed) to indicate that
3593 the menu bar is now ready for use, so we can now return.
3595 To remain responsive in the meantime, we enter a nested message
3596 loop that can process all other messages.
3598 However, we skip all this if the message results from calling
3599 TrackPopupMenu - in fact, we must NOT attempt to send the lisp
3600 thread a message because it is blocked on us at this point. We
3601 set menubar_active before calling TrackPopupMenu to indicate
3602 this (there is no possibility of confusion with real menubar
3605 f
= x_window_to_frame (dpyinfo
, hwnd
);
3607 && (f
->output_data
.w32
->menubar_active
3608 /* We can receive this message even in the absence of a
3609 menubar (ie. when the system menu is activated) - in this
3610 case we do NOT want to forward the message, otherwise it
3611 will cause the menubar to suddenly appear when the user
3612 had requested it to be turned off! */
3613 || f
->output_data
.w32
->menubar_widget
== NULL
))
3617 deferred_msg msg_buf
;
3619 /* Detect if message has already been deferred; in this case
3620 we cannot return any sensible value to ignore this. */
3621 if (find_deferred_msg (hwnd
, msg
) != NULL
)
3624 return send_deferred_msg (&msg_buf
, hwnd
, msg
, wParam
, lParam
);
3627 case WM_EXITMENULOOP
:
3628 f
= x_window_to_frame (dpyinfo
, hwnd
);
3630 /* If a menu command is not already in progress, check again
3631 after a short delay, since Windows often (always?) sends the
3632 WM_EXITMENULOOP before the corresponding WM_COMMAND message. */
3633 if (f
&& !f
->output_data
.w32
->menu_command_in_progress
)
3634 menu_free_timer
= SetTimer (hwnd
, MENU_FREE_ID
, MENU_FREE_DELAY
, NULL
);
3638 /* Direct handling of help_echo in menus. Should be safe now
3639 that we generate the help_echo by placing a help event in the
3642 HMENU menu
= (HMENU
) lParam
;
3643 UINT menu_item
= (UINT
) LOWORD (wParam
);
3644 UINT flags
= (UINT
) HIWORD (wParam
);
3646 w32_menu_display_help (hwnd
, menu
, menu_item
, flags
);
3650 case WM_MEASUREITEM
:
3651 f
= x_window_to_frame (dpyinfo
, hwnd
);
3654 MEASUREITEMSTRUCT
* pMis
= (MEASUREITEMSTRUCT
*) lParam
;
3656 if (pMis
->CtlType
== ODT_MENU
)
3658 /* Work out dimensions for popup menu titles. */
3659 char * title
= (char *) pMis
->itemData
;
3660 HDC hdc
= GetDC (hwnd
);
3661 HFONT menu_font
= GetCurrentObject (hdc
, OBJ_FONT
);
3662 LOGFONT menu_logfont
;
3666 GetObject (menu_font
, sizeof (menu_logfont
), &menu_logfont
);
3667 menu_logfont
.lfWeight
= FW_BOLD
;
3668 menu_font
= CreateFontIndirect (&menu_logfont
);
3669 old_font
= SelectObject (hdc
, menu_font
);
3671 pMis
->itemHeight
= GetSystemMetrics (SM_CYMENUSIZE
);
3674 GetTextExtentPoint32 (hdc
, title
, strlen (title
), &size
);
3675 pMis
->itemWidth
= size
.cx
;
3676 if (pMis
->itemHeight
< size
.cy
)
3677 pMis
->itemHeight
= size
.cy
;
3680 pMis
->itemWidth
= 0;
3682 SelectObject (hdc
, old_font
);
3683 DeleteObject (menu_font
);
3684 ReleaseDC (hwnd
, hdc
);
3691 f
= x_window_to_frame (dpyinfo
, hwnd
);
3694 DRAWITEMSTRUCT
* pDis
= (DRAWITEMSTRUCT
*) lParam
;
3696 if (pDis
->CtlType
== ODT_MENU
)
3698 /* Draw popup menu title. */
3699 char * title
= (char *) pDis
->itemData
;
3702 HDC hdc
= pDis
->hDC
;
3703 HFONT menu_font
= GetCurrentObject (hdc
, OBJ_FONT
);
3704 LOGFONT menu_logfont
;
3707 GetObject (menu_font
, sizeof (menu_logfont
), &menu_logfont
);
3708 menu_logfont
.lfWeight
= FW_BOLD
;
3709 menu_font
= CreateFontIndirect (&menu_logfont
);
3710 old_font
= SelectObject (hdc
, menu_font
);
3712 /* Always draw title as if not selected. */
3715 + GetSystemMetrics (SM_CXMENUCHECK
),
3717 ETO_OPAQUE
, &pDis
->rcItem
,
3718 title
, strlen (title
), NULL
);
3720 SelectObject (hdc
, old_font
);
3721 DeleteObject (menu_font
);
3729 /* Still not right - can't distinguish between clicks in the
3730 client area of the frame from clicks forwarded from the scroll
3731 bars - may have to hook WM_NCHITTEST to remember the mouse
3732 position and then check if it is in the client area ourselves. */
3733 case WM_MOUSEACTIVATE
:
3734 /* Discard the mouse click that activates a frame, allowing the
3735 user to click anywhere without changing point (or worse!).
3736 Don't eat mouse clicks on scrollbars though!! */
3737 if (LOWORD (lParam
) == HTCLIENT
)
3738 return MA_ACTIVATEANDEAT
;
3743 /* No longer tracking mouse. */
3744 track_mouse_window
= NULL
;
3746 case WM_ACTIVATEAPP
:
3748 case WM_WINDOWPOSCHANGED
:
3750 /* Inform lisp thread that a frame might have just been obscured
3751 or exposed, so should recheck visibility of all frames. */
3752 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3756 dpyinfo
->faked_key
= 0;
3758 register_hot_keys (hwnd
);
3761 unregister_hot_keys (hwnd
);
3764 /* Relinquish the system caret. */
3765 if (w32_system_caret_hwnd
)
3767 w32_visible_system_caret_hwnd
= NULL
;
3768 w32_system_caret_hwnd
= NULL
;
3773 f
= x_window_to_frame (dpyinfo
, hwnd
);
3774 if (f
&& HIWORD (wParam
) == 0)
3776 f
->output_data
.w32
->menu_command_in_progress
= 1;
3777 if (menu_free_timer
)
3779 KillTimer (hwnd
, menu_free_timer
);
3780 menu_free_timer
= 0;
3786 wmsg
.dwModifiers
= w32_get_modifiers ();
3787 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3791 wmsg
.dwModifiers
= w32_get_modifiers ();
3792 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
3795 case WM_WINDOWPOSCHANGING
:
3796 /* Don't restrict the sizing of tip frames. */
3797 if (hwnd
== tip_window
)
3801 LPWINDOWPOS lppos
= (WINDOWPOS
*) lParam
;
3803 wp
.length
= sizeof (WINDOWPLACEMENT
);
3804 GetWindowPlacement (hwnd
, &wp
);
3806 if (wp
.showCmd
!= SW_SHOWMINIMIZED
&& (lppos
->flags
& SWP_NOSIZE
) == 0)
3813 DWORD internal_border
;
3814 DWORD scrollbar_extra
;
3817 wp
.length
= sizeof(wp
);
3818 GetWindowRect (hwnd
, &wr
);
3822 font_width
= GetWindowLong (hwnd
, WND_FONTWIDTH_INDEX
);
3823 line_height
= GetWindowLong (hwnd
, WND_LINEHEIGHT_INDEX
);
3824 internal_border
= GetWindowLong (hwnd
, WND_BORDER_INDEX
);
3825 scrollbar_extra
= GetWindowLong (hwnd
, WND_SCROLLBAR_INDEX
);
3829 memset (&rect
, 0, sizeof (rect
));
3830 AdjustWindowRect (&rect
, GetWindowLong (hwnd
, GWL_STYLE
),
3831 GetMenu (hwnd
) != NULL
);
3833 /* Force width and height of client area to be exact
3834 multiples of the character cell dimensions. */
3835 wdiff
= (lppos
->cx
- (rect
.right
- rect
.left
)
3836 - 2 * internal_border
- scrollbar_extra
)
3838 hdiff
= (lppos
->cy
- (rect
.bottom
- rect
.top
)
3839 - 2 * internal_border
)
3844 /* For right/bottom sizing we can just fix the sizes.
3845 However for top/left sizing we will need to fix the X
3846 and Y positions as well. */
3851 if (wp
.showCmd
!= SW_SHOWMAXIMIZED
3852 && (lppos
->flags
& SWP_NOMOVE
) == 0)
3854 if (lppos
->x
!= wr
.left
|| lppos
->y
!= wr
.top
)
3861 lppos
->flags
|= SWP_NOMOVE
;
3872 case WM_GETMINMAXINFO
:
3873 /* Hack to correct bug that allows Emacs frames to be resized
3874 below the Minimum Tracking Size. */
3875 ((LPMINMAXINFO
) lParam
)->ptMinTrackSize
.y
++;
3876 /* Hack to allow resizing the Emacs frame above the screen size.
3877 Note that Windows 9x limits coordinates to 16-bits. */
3878 ((LPMINMAXINFO
) lParam
)->ptMaxTrackSize
.x
= 32767;
3879 ((LPMINMAXINFO
) lParam
)->ptMaxTrackSize
.y
= 32767;
3883 if (LOWORD (lParam
) == HTCLIENT
)
3888 case WM_EMACS_SETCURSOR
:
3890 Cursor cursor
= (Cursor
) wParam
;
3896 case WM_EMACS_CREATESCROLLBAR
:
3897 return (LRESULT
) w32_createscrollbar ((struct frame
*) wParam
,
3898 (struct scroll_bar
*) lParam
);
3900 case WM_EMACS_SHOWWINDOW
:
3901 return ShowWindow ((HWND
) wParam
, (WPARAM
) lParam
);
3903 case WM_EMACS_SETFOREGROUND
:
3905 HWND foreground_window
;
3906 DWORD foreground_thread
, retval
;
3908 /* On NT 5.0, and apparently Windows 98, it is necessary to
3909 attach to the thread that currently has focus in order to
3910 pull the focus away from it. */
3911 foreground_window
= GetForegroundWindow ();
3912 foreground_thread
= GetWindowThreadProcessId (foreground_window
, NULL
);
3913 if (!foreground_window
3914 || foreground_thread
== GetCurrentThreadId ()
3915 || !AttachThreadInput (GetCurrentThreadId (),
3916 foreground_thread
, TRUE
))
3917 foreground_thread
= 0;
3919 retval
= SetForegroundWindow ((HWND
) wParam
);
3921 /* Detach from the previous foreground thread. */
3922 if (foreground_thread
)
3923 AttachThreadInput (GetCurrentThreadId (),
3924 foreground_thread
, FALSE
);
3929 case WM_EMACS_SETWINDOWPOS
:
3931 WINDOWPOS
* pos
= (WINDOWPOS
*) wParam
;
3932 return SetWindowPos (hwnd
, pos
->hwndInsertAfter
,
3933 pos
->x
, pos
->y
, pos
->cx
, pos
->cy
, pos
->flags
);
3936 case WM_EMACS_DESTROYWINDOW
:
3937 DragAcceptFiles ((HWND
) wParam
, FALSE
);
3938 return DestroyWindow ((HWND
) wParam
);
3940 case WM_EMACS_HIDE_CARET
:
3941 return HideCaret (hwnd
);
3943 case WM_EMACS_SHOW_CARET
:
3944 return ShowCaret (hwnd
);
3946 case WM_EMACS_DESTROY_CARET
:
3947 w32_system_caret_hwnd
= NULL
;
3948 w32_visible_system_caret_hwnd
= NULL
;
3949 return DestroyCaret ();
3951 case WM_EMACS_TRACK_CARET
:
3952 /* If there is currently no system caret, create one. */
3953 if (w32_system_caret_hwnd
== NULL
)
3955 /* Use the default caret width, and avoid changing it
3956 unneccesarily, as it confuses screen reader software. */
3957 w32_system_caret_hwnd
= hwnd
;
3958 CreateCaret (hwnd
, NULL
, 0,
3959 w32_system_caret_height
);
3962 if (!SetCaretPos (w32_system_caret_x
, w32_system_caret_y
))
3964 /* Ensure visible caret gets turned on when requested. */
3965 else if (w32_use_visible_system_caret
3966 && w32_visible_system_caret_hwnd
!= hwnd
)
3968 w32_visible_system_caret_hwnd
= hwnd
;
3969 return ShowCaret (hwnd
);
3971 /* Ensure visible caret gets turned off when requested. */
3972 else if (!w32_use_visible_system_caret
3973 && w32_visible_system_caret_hwnd
)
3975 w32_visible_system_caret_hwnd
= NULL
;
3976 return HideCaret (hwnd
);
3981 case WM_EMACS_TRACKPOPUPMENU
:
3986 pos
= (POINT
*)lParam
;
3987 flags
= TPM_CENTERALIGN
;
3988 if (button_state
& LMOUSE
)
3989 flags
|= TPM_LEFTBUTTON
;
3990 else if (button_state
& RMOUSE
)
3991 flags
|= TPM_RIGHTBUTTON
;
3993 /* Remember we did a SetCapture on the initial mouse down event,
3994 so for safety, we make sure the capture is cancelled now. */
3998 /* Use menubar_active to indicate that WM_INITMENU is from
3999 TrackPopupMenu below, and should be ignored. */
4000 f
= x_window_to_frame (dpyinfo
, hwnd
);
4002 f
->output_data
.w32
->menubar_active
= 1;
4004 if (TrackPopupMenu ((HMENU
)wParam
, flags
, pos
->x
, pos
->y
,
4008 /* Eat any mouse messages during popupmenu */
4009 while (PeekMessage (&amsg
, hwnd
, WM_MOUSEFIRST
, WM_MOUSELAST
,
4011 /* Get the menu selection, if any */
4012 if (PeekMessage (&amsg
, hwnd
, WM_COMMAND
, WM_COMMAND
, PM_REMOVE
))
4014 retval
= LOWORD (amsg
.wParam
);
4030 /* Check for messages registered at runtime. */
4031 if (msg
== msh_mousewheel
)
4033 wmsg
.dwModifiers
= w32_get_modifiers ();
4034 my_post_msg (&wmsg
, hwnd
, msg
, wParam
, lParam
);
4039 return DefWindowProc (hwnd
, msg
, wParam
, lParam
);
4043 /* The most common default return code for handled messages is 0. */
4048 my_create_window (f
)
4053 if (!PostThreadMessage (dwWindowsThreadId
, WM_EMACS_CREATEWINDOW
, (WPARAM
)f
, 0))
4055 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
4059 /* Create a tooltip window. Unlike my_create_window, we do not do this
4060 indirectly via the Window thread, as we do not need to process Window
4061 messages for the tooltip. Creating tooltips indirectly also creates
4062 deadlocks when tooltips are created for menu items. */
4064 my_create_tip_window (f
)
4069 rect
.left
= rect
.top
= 0;
4070 rect
.right
= FRAME_PIXEL_WIDTH (f
);
4071 rect
.bottom
= FRAME_PIXEL_HEIGHT (f
);
4073 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
4074 FRAME_EXTERNAL_MENU_BAR (f
));
4076 tip_window
= FRAME_W32_WINDOW (f
)
4077 = CreateWindow (EMACS_CLASS
,
4079 f
->output_data
.w32
->dwStyle
,
4082 rect
.right
- rect
.left
,
4083 rect
.bottom
- rect
.top
,
4084 FRAME_W32_WINDOW (SELECTED_FRAME ()), /* owner */
4091 SetWindowLong (tip_window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
4092 SetWindowLong (tip_window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
4093 SetWindowLong (tip_window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
4094 SetWindowLong (tip_window
, WND_BACKGROUND_INDEX
, FRAME_BACKGROUND_PIXEL (f
));
4096 /* Tip frames have no scrollbars. */
4097 SetWindowLong (tip_window
, WND_SCROLLBAR_INDEX
, 0);
4099 /* Do this to discard the default setting specified by our parent. */
4100 ShowWindow (tip_window
, SW_HIDE
);
4105 /* Create and set up the w32 window for frame F. */
4108 w32_window (f
, window_prompting
, minibuffer_only
)
4110 long window_prompting
;
4111 int minibuffer_only
;
4115 /* Use the resource name as the top-level window name
4116 for looking up resources. Make a non-Lisp copy
4117 for the window manager, so GC relocation won't bother it.
4119 Elsewhere we specify the window name for the window manager. */
4122 char *str
= (char *) SDATA (Vx_resource_name
);
4123 f
->namebuf
= (char *) xmalloc (strlen (str
) + 1);
4124 strcpy (f
->namebuf
, str
);
4127 my_create_window (f
);
4129 validate_x_resource_name ();
4131 /* x_set_name normally ignores requests to set the name if the
4132 requested name is the same as the current name. This is the one
4133 place where that assumption isn't correct; f->name is set, but
4134 the server hasn't been told. */
4137 int explicit = f
->explicit_name
;
4139 f
->explicit_name
= 0;
4142 x_set_name (f
, name
, explicit);
4147 if (!minibuffer_only
&& FRAME_EXTERNAL_MENU_BAR (f
))
4148 initialize_frame_menubar (f
);
4150 if (FRAME_W32_WINDOW (f
) == 0)
4151 error ("Unable to create window");
4154 /* Handle the icon stuff for this window. Perhaps later we might
4155 want an x_set_icon_position which can be called interactively as
4163 Lisp_Object icon_x
, icon_y
;
4165 /* Set the position of the icon. Note that Windows 95 groups all
4166 icons in the tray. */
4167 icon_x
= w32_get_arg (parms
, Qicon_left
, 0, 0, RES_TYPE_NUMBER
);
4168 icon_y
= w32_get_arg (parms
, Qicon_top
, 0, 0, RES_TYPE_NUMBER
);
4169 if (!EQ (icon_x
, Qunbound
) && !EQ (icon_y
, Qunbound
))
4171 CHECK_NUMBER (icon_x
);
4172 CHECK_NUMBER (icon_y
);
4174 else if (!EQ (icon_x
, Qunbound
) || !EQ (icon_y
, Qunbound
))
4175 error ("Both left and top icon corners of icon must be specified");
4179 if (! EQ (icon_x
, Qunbound
))
4180 x_wm_set_icon_position (f
, XINT (icon_x
), XINT (icon_y
));
4183 /* Start up iconic or window? */
4184 x_wm_set_window_state
4185 (f
, (EQ (w32_get_arg (parms
, Qvisibility
, 0, 0, RES_TYPE_SYMBOL
), Qicon
)
4189 x_text_icon (f
, (char *) SDATA ((!NILP (f
->icon_name
)
4202 XGCValues gc_values
;
4206 /* Create the GC's of this frame.
4207 Note that many default values are used. */
4210 gc_values
.font
= FRAME_FONT (f
);
4212 /* Cursor has cursor-color background, background-color foreground. */
4213 gc_values
.foreground
= FRAME_BACKGROUND_PIXEL (f
);
4214 gc_values
.background
= f
->output_data
.w32
->cursor_pixel
;
4215 f
->output_data
.w32
->cursor_gc
4216 = XCreateGC (NULL
, FRAME_W32_WINDOW (f
),
4217 (GCFont
| GCForeground
| GCBackground
),
4221 f
->output_data
.w32
->white_relief
.gc
= 0;
4222 f
->output_data
.w32
->black_relief
.gc
= 0;
4228 /* Handler for signals raised during x_create_frame and
4229 x_create_top_frame. FRAME is the frame which is partially
4233 unwind_create_frame (frame
)
4236 struct frame
*f
= XFRAME (frame
);
4238 /* If frame is ``official'', nothing to do. */
4239 if (!CONSP (Vframe_list
) || !EQ (XCAR (Vframe_list
), frame
))
4242 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
4245 x_free_frame_resources (f
);
4247 /* Check that reference counts are indeed correct. */
4248 xassert (dpyinfo
->reference_count
== dpyinfo_refcount
);
4249 xassert (dpyinfo
->image_cache
->refcount
== image_cache_refcount
);
4258 DEFUN ("x-create-frame", Fx_create_frame
, Sx_create_frame
,
4260 doc
: /* Make a new window, which is called a \"frame\" in Emacs terms.
4261 Returns an Emacs frame object.
4262 ALIST is an alist of frame parameters.
4263 If the parameters specify that the frame should not have a minibuffer,
4264 and do not specify a specific minibuffer window to use,
4265 then `default-minibuffer-frame' must be a frame whose minibuffer can
4266 be shared by the new frame.
4268 This function is an internal primitive--use `make-frame' instead. */)
4273 Lisp_Object frame
, tem
;
4275 int minibuffer_only
= 0;
4276 long window_prompting
= 0;
4278 int count
= SPECPDL_INDEX ();
4279 struct gcpro gcpro1
, gcpro2
, gcpro3
, gcpro4
;
4280 Lisp_Object display
;
4281 struct w32_display_info
*dpyinfo
= NULL
;
4287 /* Use this general default value to start with
4288 until we know if this frame has a specified name. */
4289 Vx_resource_name
= Vinvocation_name
;
4291 display
= w32_get_arg (parms
, Qdisplay
, 0, 0, RES_TYPE_STRING
);
4292 if (EQ (display
, Qunbound
))
4294 dpyinfo
= check_x_display_info (display
);
4296 kb
= dpyinfo
->kboard
;
4298 kb
= &the_only_kboard
;
4301 name
= w32_get_arg (parms
, Qname
, "name", "Name", RES_TYPE_STRING
);
4303 && ! EQ (name
, Qunbound
)
4305 error ("Invalid frame name--not a string or nil");
4308 Vx_resource_name
= name
;
4310 /* See if parent window is specified. */
4311 parent
= w32_get_arg (parms
, Qparent_id
, NULL
, NULL
, RES_TYPE_NUMBER
);
4312 if (EQ (parent
, Qunbound
))
4314 if (! NILP (parent
))
4315 CHECK_NUMBER (parent
);
4317 /* make_frame_without_minibuffer can run Lisp code and garbage collect. */
4318 /* No need to protect DISPLAY because that's not used after passing
4319 it to make_frame_without_minibuffer. */
4321 GCPRO4 (parms
, parent
, name
, frame
);
4322 tem
= w32_get_arg (parms
, Qminibuffer
, "minibuffer", "Minibuffer",
4324 if (EQ (tem
, Qnone
) || NILP (tem
))
4325 f
= make_frame_without_minibuffer (Qnil
, kb
, display
);
4326 else if (EQ (tem
, Qonly
))
4328 f
= make_minibuffer_frame ();
4329 minibuffer_only
= 1;
4331 else if (WINDOWP (tem
))
4332 f
= make_frame_without_minibuffer (tem
, kb
, display
);
4336 XSETFRAME (frame
, f
);
4338 /* Note that Windows does support scroll bars. */
4339 FRAME_CAN_HAVE_SCROLL_BARS (f
) = 1;
4341 /* By default, make scrollbars the system standard width. */
4342 FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) = GetSystemMetrics (SM_CXVSCROLL
);
4344 f
->output_method
= output_w32
;
4345 f
->output_data
.w32
=
4346 (struct w32_output
*) xmalloc (sizeof (struct w32_output
));
4347 bzero (f
->output_data
.w32
, sizeof (struct w32_output
));
4348 FRAME_FONTSET (f
) = -1;
4349 record_unwind_protect (unwind_create_frame
, frame
);
4352 = w32_get_arg (parms
, Qicon_name
, "iconName", "Title", RES_TYPE_STRING
);
4353 if (! STRINGP (f
->icon_name
))
4354 f
->icon_name
= Qnil
;
4356 /* FRAME_W32_DISPLAY_INFO (f) = dpyinfo; */
4358 FRAME_KBOARD (f
) = kb
;
4361 /* Specify the parent under which to make this window. */
4365 f
->output_data
.w32
->parent_desc
= (Window
) XFASTINT (parent
);
4366 f
->output_data
.w32
->explicit_parent
= 1;
4370 f
->output_data
.w32
->parent_desc
= FRAME_W32_DISPLAY_INFO (f
)->root_window
;
4371 f
->output_data
.w32
->explicit_parent
= 0;
4374 /* Set the name; the functions to which we pass f expect the name to
4376 if (EQ (name
, Qunbound
) || NILP (name
))
4378 f
->name
= build_string (dpyinfo
->w32_id_name
);
4379 f
->explicit_name
= 0;
4384 f
->explicit_name
= 1;
4385 /* use the frame's title when getting resources for this frame. */
4386 specbind (Qx_resource_name
, name
);
4389 /* Extract the window parameters from the supplied values
4390 that are needed to determine window geometry. */
4394 font
= w32_get_arg (parms
, Qfont
, "font", "Font", RES_TYPE_STRING
);
4397 /* First, try whatever font the caller has specified. */
4400 tem
= Fquery_fontset (font
, Qnil
);
4402 font
= x_new_fontset (f
, SDATA (tem
));
4404 font
= x_new_font (f
, SDATA (font
));
4406 /* Try out a font which we hope has bold and italic variations. */
4407 if (!STRINGP (font
))
4408 font
= x_new_font (f
, "-*-Courier New-normal-r-*-*-*-100-*-*-c-*-iso8859-1");
4409 if (! STRINGP (font
))
4410 font
= x_new_font (f
, "-*-Courier-normal-r-*-*-13-*-*-*-c-*-iso8859-1");
4411 /* If those didn't work, look for something which will at least work. */
4412 if (! STRINGP (font
))
4413 font
= x_new_font (f
, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1");
4415 if (! STRINGP (font
))
4416 font
= build_string ("Fixedsys");
4418 x_default_parameter (f
, parms
, Qfont
, font
,
4419 "font", "Font", RES_TYPE_STRING
);
4422 x_default_parameter (f
, parms
, Qborder_width
, make_number (2),
4423 "borderWidth", "BorderWidth", RES_TYPE_NUMBER
);
4424 /* This defaults to 2 in order to match xterm. We recognize either
4425 internalBorderWidth or internalBorder (which is what xterm calls
4427 if (NILP (Fassq (Qinternal_border_width
, parms
)))
4431 value
= w32_get_arg (parms
, Qinternal_border_width
,
4432 "internalBorder", "InternalBorder", RES_TYPE_NUMBER
);
4433 if (! EQ (value
, Qunbound
))
4434 parms
= Fcons (Fcons (Qinternal_border_width
, value
),
4437 /* Default internalBorderWidth to 0 on Windows to match other programs. */
4438 x_default_parameter (f
, parms
, Qinternal_border_width
, make_number (0),
4439 "internalBorderWidth", "InternalBorder", RES_TYPE_NUMBER
);
4440 x_default_parameter (f
, parms
, Qvertical_scroll_bars
, Qright
,
4441 "verticalScrollBars", "ScrollBars", RES_TYPE_SYMBOL
);
4443 /* Also do the stuff which must be set before the window exists. */
4444 x_default_parameter (f
, parms
, Qforeground_color
, build_string ("black"),
4445 "foreground", "Foreground", RES_TYPE_STRING
);
4446 x_default_parameter (f
, parms
, Qbackground_color
, build_string ("white"),
4447 "background", "Background", RES_TYPE_STRING
);
4448 x_default_parameter (f
, parms
, Qmouse_color
, build_string ("black"),
4449 "pointerColor", "Foreground", RES_TYPE_STRING
);
4450 x_default_parameter (f
, parms
, Qcursor_color
, build_string ("black"),
4451 "cursorColor", "Foreground", RES_TYPE_STRING
);
4452 x_default_parameter (f
, parms
, Qborder_color
, build_string ("black"),
4453 "borderColor", "BorderColor", RES_TYPE_STRING
);
4454 x_default_parameter (f
, parms
, Qscreen_gamma
, Qnil
,
4455 "screenGamma", "ScreenGamma", RES_TYPE_FLOAT
);
4456 x_default_parameter (f
, parms
, Qline_spacing
, Qnil
,
4457 "lineSpacing", "LineSpacing", RES_TYPE_NUMBER
);
4458 x_default_parameter (f
, parms
, Qleft_fringe
, Qnil
,
4459 "leftFringe", "LeftFringe", RES_TYPE_NUMBER
);
4460 x_default_parameter (f
, parms
, Qright_fringe
, Qnil
,
4461 "rightFringe", "RightFringe", RES_TYPE_NUMBER
);
4464 /* Init faces before x_default_parameter is called for scroll-bar
4465 parameters because that function calls x_set_scroll_bar_width,
4466 which calls change_frame_size, which calls Fset_window_buffer,
4467 which runs hooks, which call Fvertical_motion. At the end, we
4468 end up in init_iterator with a null face cache, which should not
4470 init_frame_faces (f
);
4472 x_default_parameter (f
, parms
, Qmenu_bar_lines
, make_number (1),
4473 "menuBar", "MenuBar", RES_TYPE_NUMBER
);
4474 x_default_parameter (f
, parms
, Qtool_bar_lines
, make_number (1),
4475 "toolBar", "ToolBar", RES_TYPE_NUMBER
);
4477 x_default_parameter (f
, parms
, Qbuffer_predicate
, Qnil
,
4478 "bufferPredicate", "BufferPredicate", RES_TYPE_SYMBOL
);
4479 x_default_parameter (f
, parms
, Qtitle
, Qnil
,
4480 "title", "Title", RES_TYPE_STRING
);
4481 x_default_parameter (f
, parms
, Qfullscreen
, Qnil
,
4482 "fullscreen", "Fullscreen", RES_TYPE_SYMBOL
);
4484 f
->output_data
.w32
->dwStyle
= WS_OVERLAPPEDWINDOW
;
4485 f
->output_data
.w32
->parent_desc
= FRAME_W32_DISPLAY_INFO (f
)->root_window
;
4487 f
->output_data
.w32
->text_cursor
= w32_load_cursor (IDC_IBEAM
);
4488 f
->output_data
.w32
->nontext_cursor
= w32_load_cursor (IDC_ARROW
);
4489 f
->output_data
.w32
->modeline_cursor
= w32_load_cursor (IDC_ARROW
);
4490 f
->output_data
.w32
->hand_cursor
= w32_load_cursor (IDC_HAND
);
4491 f
->output_data
.w32
->hourglass_cursor
= w32_load_cursor (IDC_WAIT
);
4492 f
->output_data
.w32
->horizontal_drag_cursor
= w32_load_cursor (IDC_SIZEWE
);
4494 window_prompting
= x_figure_window_size (f
, parms
, 1);
4496 tem
= w32_get_arg (parms
, Qunsplittable
, 0, 0, RES_TYPE_BOOLEAN
);
4497 f
->no_split
= minibuffer_only
|| EQ (tem
, Qt
);
4499 w32_window (f
, window_prompting
, minibuffer_only
);
4504 /* Now consider the frame official. */
4505 FRAME_W32_DISPLAY_INFO (f
)->reference_count
++;
4506 Vframe_list
= Fcons (frame
, Vframe_list
);
4508 /* We need to do this after creating the window, so that the
4509 icon-creation functions can say whose icon they're describing. */
4510 x_default_parameter (f
, parms
, Qicon_type
, Qnil
,
4511 "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL
);
4513 x_default_parameter (f
, parms
, Qauto_raise
, Qnil
,
4514 "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN
);
4515 x_default_parameter (f
, parms
, Qauto_lower
, Qnil
,
4516 "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN
);
4517 x_default_parameter (f
, parms
, Qcursor_type
, Qbox
,
4518 "cursorType", "CursorType", RES_TYPE_SYMBOL
);
4519 x_default_parameter (f
, parms
, Qscroll_bar_width
, Qnil
,
4520 "scrollBarWidth", "ScrollBarWidth", RES_TYPE_NUMBER
);
4522 /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size.
4523 Change will not be effected unless different from the current
4525 width
= FRAME_COLS (f
);
4526 height
= FRAME_LINES (f
);
4528 FRAME_LINES (f
) = 0;
4529 SET_FRAME_COLS (f
, 0);
4530 change_frame_size (f
, height
, width
, 1, 0, 0);
4532 /* Tell the server what size and position, etc, we want, and how
4533 badly we want them. This should be done after we have the menu
4534 bar so that its size can be taken into account. */
4536 x_wm_set_size_hint (f
, window_prompting
, 0);
4539 /* Avoid a bug that causes the new frame to never become visible if
4540 an echo area message is displayed during the following call1. */
4541 specbind(Qredisplay_dont_pause
, Qt
);
4543 /* Set up faces after all frame parameters are known. This call
4544 also merges in face attributes specified for new frames. If we
4545 don't do this, the `menu' face for instance won't have the right
4546 colors, and the menu bar won't appear in the specified colors for
4548 call1 (Qface_set_after_frame_default
, frame
);
4550 /* Make the window appear on the frame and enable display, unless
4551 the caller says not to. However, with explicit parent, Emacs
4552 cannot control visibility, so don't try. */
4553 if (! f
->output_data
.w32
->explicit_parent
)
4555 Lisp_Object visibility
;
4557 visibility
= w32_get_arg (parms
, Qvisibility
, 0, 0, RES_TYPE_SYMBOL
);
4558 if (EQ (visibility
, Qunbound
))
4561 if (EQ (visibility
, Qicon
))
4562 x_iconify_frame (f
);
4563 else if (! NILP (visibility
))
4564 x_make_frame_visible (f
);
4566 /* Must have been Qnil. */
4571 /* Make sure windows on this frame appear in calls to next-window
4572 and similar functions. */
4573 Vwindow_list
= Qnil
;
4575 return unbind_to (count
, frame
);
4578 /* FRAME is used only to get a handle on the X display. We don't pass the
4579 display info directly because we're called from frame.c, which doesn't
4580 know about that structure. */
4582 x_get_focus_frame (frame
)
4583 struct frame
*frame
;
4585 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (frame
);
4587 if (! dpyinfo
->w32_focus_frame
)
4590 XSETFRAME (xfocus
, dpyinfo
->w32_focus_frame
);
4594 DEFUN ("w32-focus-frame", Fw32_focus_frame
, Sw32_focus_frame
, 1, 1, 0,
4595 doc
: /* Give FRAME input focus, raising to foreground if necessary. */)
4599 x_focus_on_frame (check_x_frame (frame
));
4604 /* Return the charset portion of a font name. */
4605 char * xlfd_charset_of_font (char * fontname
)
4607 char *charset
, *encoding
;
4609 encoding
= strrchr(fontname
, '-');
4610 if (!encoding
|| encoding
== fontname
)
4613 for (charset
= encoding
- 1; charset
>= fontname
; charset
--)
4614 if (*charset
== '-')
4617 if (charset
== fontname
|| strcmp(charset
, "-*-*") == 0)
4623 struct font_info
*w32_load_bdf_font (struct frame
*f
, char *fontname
,
4624 int size
, char* filename
);
4625 static Lisp_Object
w32_list_bdf_fonts (Lisp_Object pattern
, int max_names
);
4626 static BOOL
w32_to_x_font (LOGFONT
* lplf
, char * lpxstr
, int len
,
4628 static BOOL
x_to_w32_font (char *lpxstr
, LOGFONT
*lplogfont
);
4630 static struct font_info
*
4631 w32_load_system_font (f
,fontname
,size
)
4636 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
4637 Lisp_Object font_names
;
4639 /* Get a list of all the fonts that match this name. Once we
4640 have a list of matching fonts, we compare them against the fonts
4641 we already have loaded by comparing names. */
4642 font_names
= w32_list_fonts (f
, build_string (fontname
), size
, 100);
4644 if (!NILP (font_names
))
4649 /* First check if any are already loaded, as that is cheaper
4650 than loading another one. */
4651 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
4652 for (tail
= font_names
; CONSP (tail
); tail
= XCDR (tail
))
4653 if (dpyinfo
->font_table
[i
].name
4654 && (!strcmp (dpyinfo
->font_table
[i
].name
,
4655 SDATA (XCAR (tail
)))
4656 || !strcmp (dpyinfo
->font_table
[i
].full_name
,
4657 SDATA (XCAR (tail
)))))
4658 return (dpyinfo
->font_table
+ i
);
4660 fontname
= (char *) SDATA (XCAR (font_names
));
4662 else if (w32_strict_fontnames
)
4664 /* If EnumFontFamiliesEx was available, we got a full list of
4665 fonts back so stop now to avoid the possibility of loading a
4666 random font. If we had to fall back to EnumFontFamilies, the
4667 list is incomplete, so continue whether the font we want was
4669 HMODULE gdi32
= GetModuleHandle ("gdi32.dll");
4670 FARPROC enum_font_families_ex
4671 = GetProcAddress (gdi32
, "EnumFontFamiliesExA");
4672 if (enum_font_families_ex
)
4676 /* Load the font and add it to the table. */
4678 char *full_name
, *encoding
, *charset
;
4680 struct font_info
*fontp
;
4686 if (!fontname
|| !x_to_w32_font (fontname
, &lf
))
4689 if (!*lf
.lfFaceName
)
4690 /* If no name was specified for the font, we get a random font
4691 from CreateFontIndirect - this is not particularly
4692 desirable, especially since CreateFontIndirect does not
4693 fill out the missing name in lf, so we never know what we
4697 lf
.lfQuality
= DEFAULT_QUALITY
;
4699 font
= (XFontStruct
*) xmalloc (sizeof (XFontStruct
));
4700 bzero (font
, sizeof (*font
));
4702 /* Set bdf to NULL to indicate that this is a Windows font. */
4707 font
->hfont
= CreateFontIndirect (&lf
);
4709 if (font
->hfont
== NULL
)
4718 codepage
= w32_codepage_for_font (fontname
);
4720 hdc
= GetDC (dpyinfo
->root_window
);
4721 oldobj
= SelectObject (hdc
, font
->hfont
);
4723 ok
= GetTextMetrics (hdc
, &font
->tm
);
4724 if (codepage
== CP_UNICODE
)
4725 font
->double_byte_p
= 1;
4728 /* Unfortunately, some fonts (eg. MingLiU, a big5 ttf font)
4729 don't report themselves as double byte fonts, when
4730 patently they are. So instead of trusting
4731 GetFontLanguageInfo, we check the properties of the
4732 codepage directly, since that is ultimately what we are
4733 working from anyway. */
4734 /* font->double_byte_p = GetFontLanguageInfo(hdc) & GCP_DBCS; */
4736 GetCPInfo (codepage
, &cpi
);
4737 font
->double_byte_p
= cpi
.MaxCharSize
> 1;
4740 SelectObject (hdc
, oldobj
);
4741 ReleaseDC (dpyinfo
->root_window
, hdc
);
4742 /* Fill out details in lf according to the font that was
4744 lf
.lfHeight
= font
->tm
.tmInternalLeading
- font
->tm
.tmHeight
;
4745 lf
.lfWidth
= font
->tm
.tmAveCharWidth
;
4746 lf
.lfWeight
= font
->tm
.tmWeight
;
4747 lf
.lfItalic
= font
->tm
.tmItalic
;
4748 lf
.lfCharSet
= font
->tm
.tmCharSet
;
4749 lf
.lfPitchAndFamily
= ((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
)
4750 ? VARIABLE_PITCH
: FIXED_PITCH
);
4751 lf
.lfOutPrecision
= ((font
->tm
.tmPitchAndFamily
& TMPF_VECTOR
)
4752 ? OUT_STROKE_PRECIS
: OUT_STRING_PRECIS
);
4754 w32_cache_char_metrics (font
);
4761 w32_unload_font (dpyinfo
, font
);
4765 /* Find a free slot in the font table. */
4766 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
4767 if (dpyinfo
->font_table
[i
].name
== NULL
)
4770 /* If no free slot found, maybe enlarge the font table. */
4771 if (i
== dpyinfo
->n_fonts
4772 && dpyinfo
->n_fonts
== dpyinfo
->font_table_size
)
4775 dpyinfo
->font_table_size
= max (16, 2 * dpyinfo
->font_table_size
);
4776 sz
= dpyinfo
->font_table_size
* sizeof *dpyinfo
->font_table
;
4778 = (struct font_info
*) xrealloc (dpyinfo
->font_table
, sz
);
4781 fontp
= dpyinfo
->font_table
+ i
;
4782 if (i
== dpyinfo
->n_fonts
)
4785 /* Now fill in the slots of *FONTP. */
4787 bzero (fontp
, sizeof (*fontp
));
4789 fontp
->font_idx
= i
;
4790 fontp
->name
= (char *) xmalloc (strlen (fontname
) + 1);
4791 bcopy (fontname
, fontp
->name
, strlen (fontname
) + 1);
4793 charset
= xlfd_charset_of_font (fontname
);
4795 /* Cache the W32 codepage for a font. This makes w32_encode_char
4796 (called for every glyph during redisplay) much faster. */
4797 fontp
->codepage
= codepage
;
4799 /* Work out the font's full name. */
4800 full_name
= (char *)xmalloc (100);
4801 if (full_name
&& w32_to_x_font (&lf
, full_name
, 100, charset
))
4802 fontp
->full_name
= full_name
;
4805 /* If all else fails - just use the name we used to load it. */
4807 fontp
->full_name
= fontp
->name
;
4810 fontp
->size
= FONT_WIDTH (font
);
4811 fontp
->height
= FONT_HEIGHT (font
);
4813 /* The slot `encoding' specifies how to map a character
4814 code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to
4815 the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or
4816 (0:0x20..0x7F, 1:0xA0..0xFF,
4817 (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF,
4818 2:0xA020..0xFF7F). For the moment, we don't know which charset
4819 uses this font. So, we set information in fontp->encoding[1]
4820 which is never used by any charset. If mapping can't be
4821 decided, set FONT_ENCODING_NOT_DECIDED. */
4823 /* SJIS fonts need to be set to type 4, all others seem to work as
4824 type FONT_ENCODING_NOT_DECIDED. */
4825 encoding
= strrchr (fontp
->name
, '-');
4826 if (encoding
&& strnicmp (encoding
+1, "sjis", 4) == 0)
4827 fontp
->encoding
[1] = 4;
4829 fontp
->encoding
[1] = FONT_ENCODING_NOT_DECIDED
;
4831 /* The following three values are set to 0 under W32, which is
4832 what they get set to if XGetFontProperty fails under X. */
4833 fontp
->baseline_offset
= 0;
4834 fontp
->relative_compose
= 0;
4835 fontp
->default_ascent
= 0;
4837 /* Set global flag fonts_changed_p to non-zero if the font loaded
4838 has a character with a smaller width than any other character
4839 before, or if the font loaded has a smaller height than any
4840 other font loaded before. If this happens, it will make a
4841 glyph matrix reallocation necessary. */
4842 fonts_changed_p
|= x_compute_min_glyph_bounds (f
);
4848 /* Load font named FONTNAME of size SIZE for frame F, and return a
4849 pointer to the structure font_info while allocating it dynamically.
4850 If loading fails, return NULL. */
4852 w32_load_font (f
,fontname
,size
)
4857 Lisp_Object bdf_fonts
;
4858 struct font_info
*retval
= NULL
;
4860 bdf_fonts
= w32_list_bdf_fonts (build_string (fontname
), 1);
4862 while (!retval
&& CONSP (bdf_fonts
))
4864 char *bdf_name
, *bdf_file
;
4865 Lisp_Object bdf_pair
;
4867 bdf_name
= SDATA (XCAR (bdf_fonts
));
4868 bdf_pair
= Fassoc (XCAR (bdf_fonts
), Vw32_bdf_filename_alist
);
4869 bdf_file
= SDATA (XCDR (bdf_pair
));
4871 retval
= w32_load_bdf_font (f
, bdf_name
, size
, bdf_file
);
4873 bdf_fonts
= XCDR (bdf_fonts
);
4879 return w32_load_system_font(f
, fontname
, size
);
4884 w32_unload_font (dpyinfo
, font
)
4885 struct w32_display_info
*dpyinfo
;
4890 if (font
->per_char
) xfree (font
->per_char
);
4891 if (font
->bdf
) w32_free_bdf_font (font
->bdf
);
4893 if (font
->hfont
) DeleteObject(font
->hfont
);
4898 /* The font conversion stuff between x and w32 */
4900 /* X font string is as follows (from faces.el)
4904 * (weight "\\(bold\\|demibold\\|medium\\)") ; 1
4905 * (weight\? "\\([^-]*\\)") ; 1
4906 * (slant "\\([ior]\\)") ; 2
4907 * (slant\? "\\([^-]?\\)") ; 2
4908 * (swidth "\\([^-]*\\)") ; 3
4909 * (adstyle "[^-]*") ; 4
4910 * (pixelsize "[0-9]+")
4911 * (pointsize "[0-9][0-9]+")
4912 * (resx "[0-9][0-9]+")
4913 * (resy "[0-9][0-9]+")
4914 * (spacing "[cmp?*]")
4915 * (avgwidth "[0-9]+")
4916 * (registry "[^-]+")
4917 * (encoding "[^-]+")
4922 x_to_w32_weight (lpw
)
4925 if (!lpw
) return (FW_DONTCARE
);
4927 if (stricmp (lpw
,"heavy") == 0) return FW_HEAVY
;
4928 else if (stricmp (lpw
,"extrabold") == 0) return FW_EXTRABOLD
;
4929 else if (stricmp (lpw
,"bold") == 0) return FW_BOLD
;
4930 else if (stricmp (lpw
,"demibold") == 0) return FW_SEMIBOLD
;
4931 else if (stricmp (lpw
,"semibold") == 0) return FW_SEMIBOLD
;
4932 else if (stricmp (lpw
,"medium") == 0) return FW_MEDIUM
;
4933 else if (stricmp (lpw
,"normal") == 0) return FW_NORMAL
;
4934 else if (stricmp (lpw
,"light") == 0) return FW_LIGHT
;
4935 else if (stricmp (lpw
,"extralight") == 0) return FW_EXTRALIGHT
;
4936 else if (stricmp (lpw
,"thin") == 0) return FW_THIN
;
4943 w32_to_x_weight (fnweight
)
4946 if (fnweight
>= FW_HEAVY
) return "heavy";
4947 if (fnweight
>= FW_EXTRABOLD
) return "extrabold";
4948 if (fnweight
>= FW_BOLD
) return "bold";
4949 if (fnweight
>= FW_SEMIBOLD
) return "demibold";
4950 if (fnweight
>= FW_MEDIUM
) return "medium";
4951 if (fnweight
>= FW_NORMAL
) return "normal";
4952 if (fnweight
>= FW_LIGHT
) return "light";
4953 if (fnweight
>= FW_EXTRALIGHT
) return "extralight";
4954 if (fnweight
>= FW_THIN
) return "thin";
4960 x_to_w32_charset (lpcs
)
4963 Lisp_Object this_entry
, w32_charset
;
4965 int len
= strlen (lpcs
);
4967 /* Support "*-#nnn" format for unknown charsets. */
4968 if (strncmp (lpcs
, "*-#", 3) == 0)
4969 return atoi (lpcs
+ 3);
4971 /* Handle wildcards by ignoring them; eg. treat "big5*-*" as "big5". */
4972 charset
= alloca (len
+ 1);
4973 strcpy (charset
, lpcs
);
4974 lpcs
= strchr (charset
, '*');
4978 /* Look through w32-charset-info-alist for the character set.
4979 Format of each entry is
4980 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
4982 this_entry
= Fassoc (build_string(charset
), Vw32_charset_info_alist
);
4984 if (NILP(this_entry
))
4986 /* At startup, we want iso8859-1 fonts to come up properly. */
4987 if (stricmp(charset
, "iso8859-1") == 0)
4988 return ANSI_CHARSET
;
4990 return DEFAULT_CHARSET
;
4993 w32_charset
= Fcar (Fcdr (this_entry
));
4995 /* Translate Lisp symbol to number. */
4996 if (w32_charset
== Qw32_charset_ansi
)
4997 return ANSI_CHARSET
;
4998 if (w32_charset
== Qw32_charset_symbol
)
4999 return SYMBOL_CHARSET
;
5000 if (w32_charset
== Qw32_charset_shiftjis
)
5001 return SHIFTJIS_CHARSET
;
5002 if (w32_charset
== Qw32_charset_hangeul
)
5003 return HANGEUL_CHARSET
;
5004 if (w32_charset
== Qw32_charset_chinesebig5
)
5005 return CHINESEBIG5_CHARSET
;
5006 if (w32_charset
== Qw32_charset_gb2312
)
5007 return GB2312_CHARSET
;
5008 if (w32_charset
== Qw32_charset_oem
)
5010 #ifdef JOHAB_CHARSET
5011 if (w32_charset
== Qw32_charset_johab
)
5012 return JOHAB_CHARSET
;
5013 if (w32_charset
== Qw32_charset_easteurope
)
5014 return EASTEUROPE_CHARSET
;
5015 if (w32_charset
== Qw32_charset_turkish
)
5016 return TURKISH_CHARSET
;
5017 if (w32_charset
== Qw32_charset_baltic
)
5018 return BALTIC_CHARSET
;
5019 if (w32_charset
== Qw32_charset_russian
)
5020 return RUSSIAN_CHARSET
;
5021 if (w32_charset
== Qw32_charset_arabic
)
5022 return ARABIC_CHARSET
;
5023 if (w32_charset
== Qw32_charset_greek
)
5024 return GREEK_CHARSET
;
5025 if (w32_charset
== Qw32_charset_hebrew
)
5026 return HEBREW_CHARSET
;
5027 if (w32_charset
== Qw32_charset_vietnamese
)
5028 return VIETNAMESE_CHARSET
;
5029 if (w32_charset
== Qw32_charset_thai
)
5030 return THAI_CHARSET
;
5031 if (w32_charset
== Qw32_charset_mac
)
5033 #endif /* JOHAB_CHARSET */
5034 #ifdef UNICODE_CHARSET
5035 if (w32_charset
== Qw32_charset_unicode
)
5036 return UNICODE_CHARSET
;
5039 return DEFAULT_CHARSET
;
5044 w32_to_x_charset (fncharset
)
5047 static char buf
[32];
5048 Lisp_Object charset_type
;
5053 /* Handle startup case of w32-charset-info-alist not
5054 being set up yet. */
5055 if (NILP(Vw32_charset_info_alist
))
5057 charset_type
= Qw32_charset_ansi
;
5059 case DEFAULT_CHARSET
:
5060 charset_type
= Qw32_charset_default
;
5062 case SYMBOL_CHARSET
:
5063 charset_type
= Qw32_charset_symbol
;
5065 case SHIFTJIS_CHARSET
:
5066 charset_type
= Qw32_charset_shiftjis
;
5068 case HANGEUL_CHARSET
:
5069 charset_type
= Qw32_charset_hangeul
;
5071 case GB2312_CHARSET
:
5072 charset_type
= Qw32_charset_gb2312
;
5074 case CHINESEBIG5_CHARSET
:
5075 charset_type
= Qw32_charset_chinesebig5
;
5078 charset_type
= Qw32_charset_oem
;
5081 /* More recent versions of Windows (95 and NT4.0) define more
5083 #ifdef EASTEUROPE_CHARSET
5084 case EASTEUROPE_CHARSET
:
5085 charset_type
= Qw32_charset_easteurope
;
5087 case TURKISH_CHARSET
:
5088 charset_type
= Qw32_charset_turkish
;
5090 case BALTIC_CHARSET
:
5091 charset_type
= Qw32_charset_baltic
;
5093 case RUSSIAN_CHARSET
:
5094 charset_type
= Qw32_charset_russian
;
5096 case ARABIC_CHARSET
:
5097 charset_type
= Qw32_charset_arabic
;
5100 charset_type
= Qw32_charset_greek
;
5102 case HEBREW_CHARSET
:
5103 charset_type
= Qw32_charset_hebrew
;
5105 case VIETNAMESE_CHARSET
:
5106 charset_type
= Qw32_charset_vietnamese
;
5109 charset_type
= Qw32_charset_thai
;
5112 charset_type
= Qw32_charset_mac
;
5115 charset_type
= Qw32_charset_johab
;
5119 #ifdef UNICODE_CHARSET
5120 case UNICODE_CHARSET
:
5121 charset_type
= Qw32_charset_unicode
;
5125 /* Encode numerical value of unknown charset. */
5126 sprintf (buf
, "*-#%u", fncharset
);
5132 char * best_match
= NULL
;
5134 /* Look through w32-charset-info-alist for the character set.
5135 Prefer ISO codepages, and prefer lower numbers in the ISO
5136 range. Only return charsets for codepages which are installed.
5138 Format of each entry is
5139 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
5141 for (rest
= Vw32_charset_info_alist
; CONSP (rest
); rest
= XCDR (rest
))
5144 Lisp_Object w32_charset
;
5145 Lisp_Object codepage
;
5147 Lisp_Object this_entry
= XCAR (rest
);
5149 /* Skip invalid entries in alist. */
5150 if (!CONSP (this_entry
) || !STRINGP (XCAR (this_entry
))
5151 || !CONSP (XCDR (this_entry
))
5152 || !SYMBOLP (XCAR (XCDR (this_entry
))))
5155 x_charset
= SDATA (XCAR (this_entry
));
5156 w32_charset
= XCAR (XCDR (this_entry
));
5157 codepage
= XCDR (XCDR (this_entry
));
5159 /* Look for Same charset and a valid codepage (or non-int
5160 which means ignore). */
5161 if (w32_charset
== charset_type
5162 && (!INTEGERP (codepage
) || codepage
== CP_DEFAULT
5163 || IsValidCodePage (XINT (codepage
))))
5165 /* If we don't have a match already, then this is the
5168 best_match
= x_charset
;
5169 /* If this is an ISO codepage, and the best so far isn't,
5170 then this is better. */
5171 else if (strnicmp (best_match
, "iso", 3) != 0
5172 && strnicmp (x_charset
, "iso", 3) == 0)
5173 best_match
= x_charset
;
5174 /* If both are ISO8859 codepages, choose the one with the
5175 lowest number in the encoding field. */
5176 else if (strnicmp (best_match
, "iso8859-", 8) == 0
5177 && strnicmp (x_charset
, "iso8859-", 8) == 0)
5179 int best_enc
= atoi (best_match
+ 8);
5180 int this_enc
= atoi (x_charset
+ 8);
5181 if (this_enc
> 0 && this_enc
< best_enc
)
5182 best_match
= x_charset
;
5187 /* If no match, encode the numeric value. */
5190 sprintf (buf
, "*-#%u", fncharset
);
5194 strncpy(buf
, best_match
, 31);
5201 /* Return all the X charsets that map to a font. */
5203 w32_to_all_x_charsets (fncharset
)
5206 static char buf
[32];
5207 Lisp_Object charset_type
;
5208 Lisp_Object retval
= Qnil
;
5213 /* Handle startup case of w32-charset-info-alist not
5214 being set up yet. */
5215 if (NILP(Vw32_charset_info_alist
))
5216 return Fcons (build_string ("iso8859-1"), Qnil
);
5218 charset_type
= Qw32_charset_ansi
;
5220 case DEFAULT_CHARSET
:
5221 charset_type
= Qw32_charset_default
;
5223 case SYMBOL_CHARSET
:
5224 charset_type
= Qw32_charset_symbol
;
5226 case SHIFTJIS_CHARSET
:
5227 charset_type
= Qw32_charset_shiftjis
;
5229 case HANGEUL_CHARSET
:
5230 charset_type
= Qw32_charset_hangeul
;
5232 case GB2312_CHARSET
:
5233 charset_type
= Qw32_charset_gb2312
;
5235 case CHINESEBIG5_CHARSET
:
5236 charset_type
= Qw32_charset_chinesebig5
;
5239 charset_type
= Qw32_charset_oem
;
5242 /* More recent versions of Windows (95 and NT4.0) define more
5244 #ifdef EASTEUROPE_CHARSET
5245 case EASTEUROPE_CHARSET
:
5246 charset_type
= Qw32_charset_easteurope
;
5248 case TURKISH_CHARSET
:
5249 charset_type
= Qw32_charset_turkish
;
5251 case BALTIC_CHARSET
:
5252 charset_type
= Qw32_charset_baltic
;
5254 case RUSSIAN_CHARSET
:
5255 charset_type
= Qw32_charset_russian
;
5257 case ARABIC_CHARSET
:
5258 charset_type
= Qw32_charset_arabic
;
5261 charset_type
= Qw32_charset_greek
;
5263 case HEBREW_CHARSET
:
5264 charset_type
= Qw32_charset_hebrew
;
5266 case VIETNAMESE_CHARSET
:
5267 charset_type
= Qw32_charset_vietnamese
;
5270 charset_type
= Qw32_charset_thai
;
5273 charset_type
= Qw32_charset_mac
;
5276 charset_type
= Qw32_charset_johab
;
5280 #ifdef UNICODE_CHARSET
5281 case UNICODE_CHARSET
:
5282 charset_type
= Qw32_charset_unicode
;
5286 /* Encode numerical value of unknown charset. */
5287 sprintf (buf
, "*-#%u", fncharset
);
5288 return Fcons (build_string (buf
), Qnil
);
5293 /* Look through w32-charset-info-alist for the character set.
5294 Only return charsets for codepages which are installed.
5296 Format of each entry in Vw32_charset_info_alist is
5297 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
5299 for (rest
= Vw32_charset_info_alist
; CONSP (rest
); rest
= XCDR (rest
))
5301 Lisp_Object x_charset
;
5302 Lisp_Object w32_charset
;
5303 Lisp_Object codepage
;
5305 Lisp_Object this_entry
= XCAR (rest
);
5307 /* Skip invalid entries in alist. */
5308 if (!CONSP (this_entry
) || !STRINGP (XCAR (this_entry
))
5309 || !CONSP (XCDR (this_entry
))
5310 || !SYMBOLP (XCAR (XCDR (this_entry
))))
5313 x_charset
= XCAR (this_entry
);
5314 w32_charset
= XCAR (XCDR (this_entry
));
5315 codepage
= XCDR (XCDR (this_entry
));
5317 /* Look for Same charset and a valid codepage (or non-int
5318 which means ignore). */
5319 if (w32_charset
== charset_type
5320 && (!INTEGERP (codepage
) || codepage
== CP_DEFAULT
5321 || IsValidCodePage (XINT (codepage
))))
5323 retval
= Fcons (x_charset
, retval
);
5327 /* If no match, encode the numeric value. */
5330 sprintf (buf
, "*-#%u", fncharset
);
5331 return Fcons (build_string (buf
), Qnil
);
5338 /* Get the Windows codepage corresponding to the specified font. The
5339 charset info in the font name is used to look up
5340 w32-charset-to-codepage-alist. */
5342 w32_codepage_for_font (char *fontname
)
5344 Lisp_Object codepage
, entry
;
5345 char *charset_str
, *charset
, *end
;
5347 if (NILP (Vw32_charset_info_alist
))
5350 /* Extract charset part of font string. */
5351 charset
= xlfd_charset_of_font (fontname
);
5356 charset_str
= (char *) alloca (strlen (charset
) + 1);
5357 strcpy (charset_str
, charset
);
5360 /* Remove leading "*-". */
5361 if (strncmp ("*-", charset_str
, 2) == 0)
5362 charset
= charset_str
+ 2;
5365 charset
= charset_str
;
5367 /* Stop match at wildcard (including preceding '-'). */
5368 if (end
= strchr (charset
, '*'))
5370 if (end
> charset
&& *(end
-1) == '-')
5375 entry
= Fassoc (build_string(charset
), Vw32_charset_info_alist
);
5379 codepage
= Fcdr (Fcdr (entry
));
5381 if (NILP (codepage
))
5383 else if (XFASTINT (codepage
) == XFASTINT (Qt
))
5385 else if (INTEGERP (codepage
))
5386 return XINT (codepage
);
5393 w32_to_x_font (lplogfont
, lpxstr
, len
, specific_charset
)
5394 LOGFONT
* lplogfont
;
5397 char * specific_charset
;
5401 char height_pixels
[8];
5403 char width_pixels
[8];
5404 char *fontname_dash
;
5405 int display_resy
= (int) one_w32_display_info
.resy
;
5406 int display_resx
= (int) one_w32_display_info
.resx
;
5408 struct coding_system coding
;
5410 if (!lpxstr
) abort ();
5415 if (lplogfont
->lfOutPrecision
== OUT_STRING_PRECIS
)
5416 fonttype
= "raster";
5417 else if (lplogfont
->lfOutPrecision
== OUT_STROKE_PRECIS
)
5418 fonttype
= "outline";
5420 fonttype
= "unknown";
5422 setup_coding_system (Fcheck_coding_system (Vlocale_coding_system
),
5424 coding
.src_multibyte
= 0;
5425 coding
.dst_multibyte
= 1;
5426 coding
.mode
|= CODING_MODE_LAST_BLOCK
;
5427 /* We explicitely disable composition handling because selection
5428 data should not contain any composition sequence. */
5429 coding
.composing
= COMPOSITION_DISABLED
;
5430 bufsz
= decoding_buffer_size (&coding
, LF_FACESIZE
);
5432 fontname
= alloca(sizeof(*fontname
) * bufsz
);
5433 decode_coding (&coding
, lplogfont
->lfFaceName
, fontname
,
5434 strlen(lplogfont
->lfFaceName
), bufsz
- 1);
5435 *(fontname
+ coding
.produced
) = '\0';
5437 /* Replace dashes with underscores so the dashes are not
5439 fontname_dash
= fontname
;
5440 while (fontname_dash
= strchr (fontname_dash
, '-'))
5441 *fontname_dash
= '_';
5443 if (lplogfont
->lfHeight
)
5445 sprintf (height_pixels
, "%u", abs (lplogfont
->lfHeight
));
5446 sprintf (height_dpi
, "%u",
5447 abs (lplogfont
->lfHeight
) * 720 / display_resy
);
5451 strcpy (height_pixels
, "*");
5452 strcpy (height_dpi
, "*");
5454 if (lplogfont
->lfWidth
)
5455 sprintf (width_pixels
, "%u", lplogfont
->lfWidth
* 10);
5457 strcpy (width_pixels
, "*");
5459 _snprintf (lpxstr
, len
- 1,
5460 "-%s-%s-%s-%c-normal-normal-%s-%s-%d-%d-%c-%s-%s",
5461 fonttype
, /* foundry */
5462 fontname
, /* family */
5463 w32_to_x_weight (lplogfont
->lfWeight
), /* weight */
5464 lplogfont
->lfItalic
?'i':'r', /* slant */
5466 /* add style name */
5467 height_pixels
, /* pixel size */
5468 height_dpi
, /* point size */
5469 display_resx
, /* resx */
5470 display_resy
, /* resy */
5471 ((lplogfont
->lfPitchAndFamily
& 0x3) == VARIABLE_PITCH
)
5472 ? 'p' : 'c', /* spacing */
5473 width_pixels
, /* avg width */
5474 specific_charset
? specific_charset
5475 : w32_to_x_charset (lplogfont
->lfCharSet
)
5476 /* charset registry and encoding */
5479 lpxstr
[len
- 1] = 0; /* just to be sure */
5484 x_to_w32_font (lpxstr
, lplogfont
)
5486 LOGFONT
* lplogfont
;
5488 struct coding_system coding
;
5490 if (!lplogfont
) return (FALSE
);
5492 memset (lplogfont
, 0, sizeof (*lplogfont
));
5494 /* Set default value for each field. */
5496 lplogfont
->lfOutPrecision
= OUT_DEFAULT_PRECIS
;
5497 lplogfont
->lfClipPrecision
= CLIP_DEFAULT_PRECIS
;
5498 lplogfont
->lfQuality
= DEFAULT_QUALITY
;
5500 /* go for maximum quality */
5501 lplogfont
->lfOutPrecision
= OUT_STROKE_PRECIS
;
5502 lplogfont
->lfClipPrecision
= CLIP_STROKE_PRECIS
;
5503 lplogfont
->lfQuality
= PROOF_QUALITY
;
5506 lplogfont
->lfCharSet
= DEFAULT_CHARSET
;
5507 lplogfont
->lfWeight
= FW_DONTCARE
;
5508 lplogfont
->lfPitchAndFamily
= DEFAULT_PITCH
| FF_DONTCARE
;
5513 /* Provide a simple escape mechanism for specifying Windows font names
5514 * directly -- if font spec does not beginning with '-', assume this
5516 * "<font name>[:height in pixels[:width in pixels[:weight]]]"
5522 char name
[50], weight
[20], slant
, pitch
, pixels
[10], height
[10],
5523 width
[10], resy
[10], remainder
[50];
5525 int dpi
= (int) one_w32_display_info
.resy
;
5527 fields
= sscanf (lpxstr
,
5528 "-%*[^-]-%49[^-]-%19[^-]-%c-%*[^-]-%*[^-]-%9[^-]-%9[^-]-%*[^-]-%9[^-]-%c-%9[^-]-%49s",
5529 name
, weight
, &slant
, pixels
, height
, resy
, &pitch
, width
, remainder
);
5533 /* In the general case when wildcards cover more than one field,
5534 we don't know which field is which, so don't fill any in.
5535 However, we need to cope with this particular form, which is
5536 generated by font_list_1 (invoked by try_font_list):
5537 "-raster-6x10-*-gb2312*-*"
5538 and make sure to correctly parse the charset field. */
5541 fields
= sscanf (lpxstr
,
5542 "-%*[^-]-%49[^-]-*-%49s",
5545 else if (fields
< 9)
5551 if (fields
> 0 && name
[0] != '*')
5557 (Fcheck_coding_system (Vlocale_coding_system
), &coding
);
5558 coding
.src_multibyte
= 1;
5559 coding
.dst_multibyte
= 1;
5560 bufsize
= encoding_buffer_size (&coding
, strlen (name
));
5561 buf
= (unsigned char *) alloca (bufsize
);
5562 coding
.mode
|= CODING_MODE_LAST_BLOCK
;
5563 encode_coding (&coding
, name
, buf
, strlen (name
), bufsize
);
5564 if (coding
.produced
>= LF_FACESIZE
)
5565 coding
.produced
= LF_FACESIZE
- 1;
5566 buf
[coding
.produced
] = 0;
5567 strcpy (lplogfont
->lfFaceName
, buf
);
5571 lplogfont
->lfFaceName
[0] = '\0';
5576 lplogfont
->lfWeight
= x_to_w32_weight ((fields
> 0 ? weight
: ""));
5580 lplogfont
->lfItalic
= (fields
> 0 && slant
== 'i');
5584 if (fields
> 0 && pixels
[0] != '*')
5585 lplogfont
->lfHeight
= atoi (pixels
);
5589 if (fields
> 0 && resy
[0] != '*')
5592 if (tem
> 0) dpi
= tem
;
5595 if (fields
> -1 && lplogfont
->lfHeight
== 0 && height
[0] != '*')
5596 lplogfont
->lfHeight
= atoi (height
) * dpi
/ 720;
5599 lplogfont
->lfPitchAndFamily
=
5600 (fields
> 0 && pitch
== 'p') ? VARIABLE_PITCH
: FIXED_PITCH
;
5604 if (fields
> 0 && width
[0] != '*')
5605 lplogfont
->lfWidth
= atoi (width
) / 10;
5609 /* Strip the trailing '-' if present. (it shouldn't be, as it
5610 fails the test against xlfd-tight-regexp in fontset.el). */
5612 int len
= strlen (remainder
);
5613 if (len
> 0 && remainder
[len
-1] == '-')
5614 remainder
[len
-1] = 0;
5616 encoding
= remainder
;
5618 if (strncmp (encoding
, "*-", 2) == 0)
5621 lplogfont
->lfCharSet
= x_to_w32_charset (encoding
);
5626 char name
[100], height
[10], width
[10], weight
[20];
5628 fields
= sscanf (lpxstr
,
5629 "%99[^:]:%9[^:]:%9[^:]:%19s",
5630 name
, height
, width
, weight
);
5632 if (fields
== EOF
) return (FALSE
);
5636 strncpy (lplogfont
->lfFaceName
,name
, LF_FACESIZE
);
5637 lplogfont
->lfFaceName
[LF_FACESIZE
-1] = 0;
5641 lplogfont
->lfFaceName
[0] = 0;
5647 lplogfont
->lfHeight
= atoi (height
);
5652 lplogfont
->lfWidth
= atoi (width
);
5656 lplogfont
->lfWeight
= x_to_w32_weight ((fields
> 0 ? weight
: ""));
5659 /* This makes TrueType fonts work better. */
5660 lplogfont
->lfHeight
= - abs (lplogfont
->lfHeight
);
5665 /* Strip the pixel height and point height from the given xlfd, and
5666 return the pixel height. If no pixel height is specified, calculate
5667 one from the point height, or if that isn't defined either, return
5668 0 (which usually signifies a scalable font).
5671 xlfd_strip_height (char *fontname
)
5673 int pixel_height
, field_number
;
5674 char *read_from
, *write_to
;
5678 pixel_height
= field_number
= 0;
5681 /* Look for height fields. */
5682 for (read_from
= fontname
; *read_from
; read_from
++)
5684 if (*read_from
== '-')
5687 if (field_number
== 7) /* Pixel height. */
5690 write_to
= read_from
;
5692 /* Find end of field. */
5693 for (;*read_from
&& *read_from
!= '-'; read_from
++)
5696 /* Split the fontname at end of field. */
5702 pixel_height
= atoi (write_to
);
5703 /* Blank out field. */
5704 if (read_from
> write_to
)
5709 /* If the pixel height field is at the end (partial xlfd),
5712 return pixel_height
;
5714 /* If we got a pixel height, the point height can be
5715 ignored. Just blank it out and break now. */
5718 /* Find end of point size field. */
5719 for (; *read_from
&& *read_from
!= '-'; read_from
++)
5725 /* Blank out the point size field. */
5726 if (read_from
> write_to
)
5732 return pixel_height
;
5736 /* If the point height is already blank, break now. */
5737 if (*read_from
== '-')
5743 else if (field_number
== 8)
5745 /* If we didn't get a pixel height, try to get the point
5746 height and convert that. */
5748 char *point_size_start
= read_from
++;
5750 /* Find end of field. */
5751 for (; *read_from
&& *read_from
!= '-'; read_from
++)
5760 point_size
= atoi (point_size_start
);
5762 /* Convert to pixel height. */
5763 pixel_height
= point_size
5764 * one_w32_display_info
.height_in
/ 720;
5766 /* Blank out this field and break. */
5774 /* Shift the rest of the font spec into place. */
5775 if (write_to
&& read_from
> write_to
)
5777 for (; *read_from
; read_from
++, write_to
++)
5778 *write_to
= *read_from
;
5782 return pixel_height
;
5785 /* Assume parameter 1 is fully qualified, no wildcards. */
5787 w32_font_match (fontname
, pattern
)
5791 char *regex
= alloca (strlen (pattern
) * 2 + 3);
5792 char *font_name_copy
= alloca (strlen (fontname
) + 1);
5795 /* Copy fontname so we can modify it during comparison. */
5796 strcpy (font_name_copy
, fontname
);
5801 /* Turn pattern into a regexp and do a regexp match. */
5802 for (; *pattern
; pattern
++)
5804 if (*pattern
== '?')
5806 else if (*pattern
== '*')
5817 /* Strip out font heights and compare them seperately, since
5818 rounding error can cause mismatches. This also allows a
5819 comparison between a font that declares only a pixel height and a
5820 pattern that declares the point height.
5823 int font_height
, pattern_height
;
5825 font_height
= xlfd_strip_height (font_name_copy
);
5826 pattern_height
= xlfd_strip_height (regex
);
5828 /* Compare now, and don't bother doing expensive regexp matching
5829 if the heights differ. */
5830 if (font_height
&& pattern_height
&& (font_height
!= pattern_height
))
5834 return (fast_c_string_match_ignore_case (build_string (regex
),
5835 font_name_copy
) >= 0);
5838 /* Callback functions, and a structure holding info they need, for
5839 listing system fonts on W32. We need one set of functions to do the
5840 job properly, but these don't work on NT 3.51 and earlier, so we
5841 have a second set which don't handle character sets properly to
5844 In both cases, there are two passes made. The first pass gets one
5845 font from each family, the second pass lists all the fonts from
5848 typedef struct enumfont_t
5853 XFontStruct
*size_ref
;
5854 Lisp_Object pattern
;
5860 enum_font_maybe_add_to_list (enumfont_t
*, LOGFONT
*, char *, Lisp_Object
);
5864 enum_font_cb2 (lplf
, lptm
, FontType
, lpef
)
5866 NEWTEXTMETRIC
* lptm
;
5870 /* Ignore struck out and underlined versions of fonts. */
5871 if (lplf
->elfLogFont
.lfStrikeOut
|| lplf
->elfLogFont
.lfUnderline
)
5874 /* Only return fonts with names starting with @ if they were
5875 explicitly specified, since Microsoft uses an initial @ to
5876 denote fonts for vertical writing, without providing a more
5877 convenient way of identifying them. */
5878 if (lplf
->elfLogFont
.lfFaceName
[0] == '@'
5879 && lpef
->logfont
.lfFaceName
[0] != '@')
5882 /* Check that the character set matches if it was specified */
5883 if (lpef
->logfont
.lfCharSet
!= DEFAULT_CHARSET
&&
5884 lplf
->elfLogFont
.lfCharSet
!= lpef
->logfont
.lfCharSet
)
5887 if (FontType
== RASTER_FONTTYPE
)
5889 /* DBCS raster fonts have problems displaying, so skip them. */
5890 int charset
= lplf
->elfLogFont
.lfCharSet
;
5891 if (charset
== SHIFTJIS_CHARSET
5892 || charset
== HANGEUL_CHARSET
5893 || charset
== CHINESEBIG5_CHARSET
5894 || charset
== GB2312_CHARSET
5895 #ifdef JOHAB_CHARSET
5896 || charset
== JOHAB_CHARSET
5904 Lisp_Object width
= Qnil
;
5905 Lisp_Object charset_list
= Qnil
;
5906 char *charset
= NULL
;
5908 /* Truetype fonts do not report their true metrics until loaded */
5909 if (FontType
!= RASTER_FONTTYPE
)
5911 if (!NILP (lpef
->pattern
))
5913 /* Scalable fonts are as big as you want them to be. */
5914 lplf
->elfLogFont
.lfHeight
= lpef
->logfont
.lfHeight
;
5915 lplf
->elfLogFont
.lfWidth
= lpef
->logfont
.lfWidth
;
5916 width
= make_number (lpef
->logfont
.lfWidth
);
5920 lplf
->elfLogFont
.lfHeight
= 0;
5921 lplf
->elfLogFont
.lfWidth
= 0;
5925 /* Make sure the height used here is the same as everywhere
5926 else (ie character height, not cell height). */
5927 if (lplf
->elfLogFont
.lfHeight
> 0)
5929 /* lptm can be trusted for RASTER fonts, but not scalable ones. */
5930 if (FontType
== RASTER_FONTTYPE
)
5931 lplf
->elfLogFont
.lfHeight
= lptm
->tmInternalLeading
- lptm
->tmHeight
;
5933 lplf
->elfLogFont
.lfHeight
= -lplf
->elfLogFont
.lfHeight
;
5936 if (!NILP (lpef
->pattern
))
5938 charset
= xlfd_charset_of_font (SDATA (lpef
->pattern
));
5940 /* We already checked charsets above, but DEFAULT_CHARSET
5941 slipped through. So only allow exact matches for DEFAULT_CHARSET. */
5943 && strncmp (charset
, "*-*", 3) != 0
5944 && lpef
->logfont
.lfCharSet
== DEFAULT_CHARSET
5945 && strcmp (charset
, w32_to_x_charset (DEFAULT_CHARSET
)) != 0)
5950 charset_list
= Fcons (build_string (charset
), Qnil
);
5952 charset_list
= w32_to_all_x_charsets (lplf
->elfLogFont
.lfCharSet
);
5954 /* Loop through the charsets. */
5955 for ( ; CONSP (charset_list
); charset_list
= Fcdr (charset_list
))
5957 Lisp_Object this_charset
= Fcar (charset_list
);
5958 charset
= SDATA (this_charset
);
5960 /* List bold and italic variations if w32-enable-synthesized-fonts
5961 is non-nil and this is a plain font. */
5962 if (w32_enable_synthesized_fonts
5963 && lplf
->elfLogFont
.lfWeight
== FW_NORMAL
5964 && lplf
->elfLogFont
.lfItalic
== FALSE
)
5966 enum_font_maybe_add_to_list (lpef
, &(lplf
->elfLogFont
),
5969 lplf
->elfLogFont
.lfWeight
= FW_BOLD
;
5970 enum_font_maybe_add_to_list (lpef
, &(lplf
->elfLogFont
),
5973 lplf
->elfLogFont
.lfItalic
= TRUE
;
5974 enum_font_maybe_add_to_list (lpef
, &(lplf
->elfLogFont
),
5977 lplf
->elfLogFont
.lfWeight
= FW_NORMAL
;
5978 enum_font_maybe_add_to_list (lpef
, &(lplf
->elfLogFont
),
5982 enum_font_maybe_add_to_list (lpef
, &(lplf
->elfLogFont
),
5991 enum_font_maybe_add_to_list (lpef
, logfont
, match_charset
, width
)
5994 char * match_charset
;
5999 if (!w32_to_x_font (logfont
, buf
, 100, match_charset
))
6002 if (NILP (lpef
->pattern
)
6003 || w32_font_match (buf
, SDATA (lpef
->pattern
)))
6005 /* Check if we already listed this font. This may happen if
6006 w32_enable_synthesized_fonts is non-nil, and there are real
6007 bold and italic versions of the font. */
6008 Lisp_Object font_name
= build_string (buf
);
6009 if (NILP (Fmember (font_name
, lpef
->list
)))
6011 Lisp_Object entry
= Fcons (font_name
, width
);
6012 lpef
->list
= Fcons (entry
, lpef
->list
);
6020 enum_font_cb1 (lplf
, lptm
, FontType
, lpef
)
6022 NEWTEXTMETRIC
* lptm
;
6026 return EnumFontFamilies (lpef
->hdc
,
6027 lplf
->elfLogFont
.lfFaceName
,
6028 (FONTENUMPROC
) enum_font_cb2
,
6034 enum_fontex_cb2 (lplf
, lptm
, font_type
, lpef
)
6035 ENUMLOGFONTEX
* lplf
;
6036 NEWTEXTMETRICEX
* lptm
;
6040 /* We are not interested in the extra info we get back from the 'Ex
6041 version - only the fact that we get character set variations
6042 enumerated seperately. */
6043 return enum_font_cb2 ((ENUMLOGFONT
*) lplf
, (NEWTEXTMETRIC
*) lptm
,
6048 enum_fontex_cb1 (lplf
, lptm
, font_type
, lpef
)
6049 ENUMLOGFONTEX
* lplf
;
6050 NEWTEXTMETRICEX
* lptm
;
6054 HMODULE gdi32
= GetModuleHandle ("gdi32.dll");
6055 FARPROC enum_font_families_ex
6056 = GetProcAddress ( gdi32
, "EnumFontFamiliesExA");
6057 /* We don't really expect EnumFontFamiliesEx to disappear once we
6058 get here, so don't bother handling it gracefully. */
6059 if (enum_font_families_ex
== NULL
)
6060 error ("gdi32.dll has disappeared!");
6061 return enum_font_families_ex (lpef
->hdc
,
6063 (FONTENUMPROC
) enum_fontex_cb2
,
6067 /* Interface to fontset handler. (adapted from mw32font.c in Meadow
6068 and xterm.c in Emacs 20.3) */
6070 static Lisp_Object
w32_list_bdf_fonts (Lisp_Object pattern
, int max_names
)
6072 char *fontname
, *ptnstr
;
6073 Lisp_Object list
, tem
, newlist
= Qnil
;
6076 list
= Vw32_bdf_filename_alist
;
6077 ptnstr
= SDATA (pattern
);
6079 for ( ; CONSP (list
); list
= XCDR (list
))
6083 fontname
= SDATA (XCAR (tem
));
6084 else if (STRINGP (tem
))
6085 fontname
= SDATA (tem
);
6089 if (w32_font_match (fontname
, ptnstr
))
6091 newlist
= Fcons (XCAR (tem
), newlist
);
6093 if (max_names
>= 0 && n_fonts
>= max_names
)
6102 /* Return a list of names of available fonts matching PATTERN on frame
6103 F. If SIZE is not 0, it is the size (maximum bound width) of fonts
6104 to be listed. Frame F NULL means we have not yet created any
6105 frame, which means we can't get proper size info, as we don't have
6106 a device context to use for GetTextMetrics.
6107 MAXNAMES sets a limit on how many fonts to match. If MAXNAMES is
6108 negative, then all matching fonts are returned. */
6111 w32_list_fonts (f
, pattern
, size
, maxnames
)
6113 Lisp_Object pattern
;
6117 Lisp_Object patterns
, key
= Qnil
, tem
, tpat
;
6118 Lisp_Object list
= Qnil
, newlist
= Qnil
, second_best
= Qnil
;
6119 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6122 patterns
= Fassoc (pattern
, Valternate_fontname_alist
);
6123 if (NILP (patterns
))
6124 patterns
= Fcons (pattern
, Qnil
);
6126 for (; CONSP (patterns
); patterns
= XCDR (patterns
))
6131 tpat
= XCAR (patterns
);
6133 if (!STRINGP (tpat
))
6136 /* Avoid expensive EnumFontFamilies functions if we are not
6137 going to be able to output one of these anyway. */
6138 codepage
= w32_codepage_for_font (SDATA (tpat
));
6139 if (codepage
!= CP_8BIT
&& codepage
!= CP_UNICODE
6140 && codepage
!= CP_DEFAULT
&& codepage
!= CP_UNKNOWN
6141 && !IsValidCodePage(codepage
))
6144 /* See if we cached the result for this particular query.
6145 The cache is an alist of the form:
6146 ((PATTERN (FONTNAME . WIDTH) ...) ...)
6148 if (tem
= XCDR (dpyinfo
->name_list_element
),
6149 !NILP (list
= Fassoc (tpat
, tem
)))
6151 list
= Fcdr_safe (list
);
6152 /* We have a cached list. Don't have to get the list again. */
6157 /* At first, put PATTERN in the cache. */
6162 /* Use EnumFontFamiliesEx where it is available, as it knows
6163 about character sets. Fall back to EnumFontFamilies for
6164 older versions of NT that don't support the 'Ex function. */
6165 x_to_w32_font (SDATA (tpat
), &ef
.logfont
);
6167 LOGFONT font_match_pattern
;
6168 HMODULE gdi32
= GetModuleHandle ("gdi32.dll");
6169 FARPROC enum_font_families_ex
6170 = GetProcAddress ( gdi32
, "EnumFontFamiliesExA");
6172 /* We do our own pattern matching so we can handle wildcards. */
6173 font_match_pattern
.lfFaceName
[0] = 0;
6174 font_match_pattern
.lfPitchAndFamily
= 0;
6175 /* We can use the charset, because if it is a wildcard it will
6176 be DEFAULT_CHARSET anyway. */
6177 font_match_pattern
.lfCharSet
= ef
.logfont
.lfCharSet
;
6179 ef
.hdc
= GetDC (dpyinfo
->root_window
);
6181 if (enum_font_families_ex
)
6182 enum_font_families_ex (ef
.hdc
,
6183 &font_match_pattern
,
6184 (FONTENUMPROC
) enum_fontex_cb1
,
6187 EnumFontFamilies (ef
.hdc
, NULL
, (FONTENUMPROC
) enum_font_cb1
,
6190 ReleaseDC (dpyinfo
->root_window
, ef
.hdc
);
6196 /* Make a list of the fonts we got back.
6197 Store that in the font cache for the display. */
6198 XSETCDR (dpyinfo
->name_list_element
,
6199 Fcons (Fcons (tpat
, list
),
6200 XCDR (dpyinfo
->name_list_element
)));
6203 if (NILP (list
)) continue; /* Try the remaining alternatives. */
6205 newlist
= second_best
= Qnil
;
6207 /* Make a list of the fonts that have the right width. */
6208 for (; CONSP (list
); list
= XCDR (list
))
6215 if (NILP (XCAR (tem
)))
6219 newlist
= Fcons (XCAR (tem
), newlist
);
6221 if (maxnames
>= 0 && n_fonts
>= maxnames
)
6226 if (!INTEGERP (XCDR (tem
)))
6228 /* Since we don't yet know the size of the font, we must
6229 load it and try GetTextMetrics. */
6230 W32FontStruct thisinfo
;
6235 if (!x_to_w32_font (SDATA (XCAR (tem
)), &lf
))
6239 thisinfo
.bdf
= NULL
;
6240 thisinfo
.hfont
= CreateFontIndirect (&lf
);
6241 if (thisinfo
.hfont
== NULL
)
6244 hdc
= GetDC (dpyinfo
->root_window
);
6245 oldobj
= SelectObject (hdc
, thisinfo
.hfont
);
6246 if (GetTextMetrics (hdc
, &thisinfo
.tm
))
6247 XSETCDR (tem
, make_number (FONT_WIDTH (&thisinfo
)));
6249 XSETCDR (tem
, make_number (0));
6250 SelectObject (hdc
, oldobj
);
6251 ReleaseDC (dpyinfo
->root_window
, hdc
);
6252 DeleteObject(thisinfo
.hfont
);
6255 found_size
= XINT (XCDR (tem
));
6256 if (found_size
== size
)
6258 newlist
= Fcons (XCAR (tem
), newlist
);
6260 if (maxnames
>= 0 && n_fonts
>= maxnames
)
6263 /* keep track of the closest matching size in case
6264 no exact match is found. */
6265 else if (found_size
> 0)
6267 if (NILP (second_best
))
6270 else if (found_size
< size
)
6272 if (XINT (XCDR (second_best
)) > size
6273 || XINT (XCDR (second_best
)) < found_size
)
6278 if (XINT (XCDR (second_best
)) > size
6279 && XINT (XCDR (second_best
)) >
6286 if (!NILP (newlist
))
6288 else if (!NILP (second_best
))
6290 newlist
= Fcons (XCAR (second_best
), Qnil
);
6295 /* Include any bdf fonts. */
6296 if (n_fonts
< maxnames
|| maxnames
< 0)
6298 Lisp_Object combined
[2];
6299 combined
[0] = w32_list_bdf_fonts (pattern
, maxnames
- n_fonts
);
6300 combined
[1] = newlist
;
6301 newlist
= Fnconc(2, combined
);
6308 /* Return a pointer to struct font_info of font FONT_IDX of frame F. */
6310 w32_get_font_info (f
, font_idx
)
6314 return (FRAME_W32_FONT_TABLE (f
) + font_idx
);
6319 w32_query_font (struct frame
*f
, char *fontname
)
6322 struct font_info
*pfi
;
6324 pfi
= FRAME_W32_FONT_TABLE (f
);
6326 for (i
= 0; i
< one_w32_display_info
.n_fonts
;i
++, pfi
++)
6328 if (strcmp(pfi
->name
, fontname
) == 0) return pfi
;
6334 /* Find a CCL program for a font specified by FONTP, and set the member
6335 `encoder' of the structure. */
6338 w32_find_ccl_program (fontp
)
6339 struct font_info
*fontp
;
6341 Lisp_Object list
, elt
;
6343 for (list
= Vfont_ccl_encoder_alist
; CONSP (list
); list
= XCDR (list
))
6347 && STRINGP (XCAR (elt
))
6348 && (fast_c_string_match_ignore_case (XCAR (elt
), fontp
->name
)
6354 struct ccl_program
*ccl
6355 = (struct ccl_program
*) xmalloc (sizeof (struct ccl_program
));
6357 if (setup_ccl_program (ccl
, XCDR (elt
)) < 0)
6360 fontp
->font_encoder
= ccl
;
6365 /* Find BDF files in a specified directory. (use GCPRO when calling,
6366 as this calls lisp to get a directory listing). */
6368 w32_find_bdf_fonts_in_dir (Lisp_Object directory
)
6370 Lisp_Object filelist
, list
= Qnil
;
6373 if (!STRINGP(directory
))
6376 filelist
= Fdirectory_files (directory
, Qt
,
6377 build_string (".*\\.[bB][dD][fF]"), Qt
);
6379 for ( ; CONSP(filelist
); filelist
= XCDR (filelist
))
6381 Lisp_Object filename
= XCAR (filelist
);
6382 if (w32_BDF_to_x_font (SDATA (filename
), fontname
, 100))
6383 store_in_alist (&list
, build_string (fontname
), filename
);
6388 DEFUN ("w32-find-bdf-fonts", Fw32_find_bdf_fonts
, Sw32_find_bdf_fonts
,
6390 doc
: /* Return a list of BDF fonts in DIR.
6391 The list is suitable for appending to w32-bdf-filename-alist. Fonts
6392 which do not contain an xlfd description will not be included in the
6393 list. DIR may be a list of directories. */)
6395 Lisp_Object directory
;
6397 Lisp_Object list
= Qnil
;
6398 struct gcpro gcpro1
, gcpro2
;
6400 if (!CONSP (directory
))
6401 return w32_find_bdf_fonts_in_dir (directory
);
6403 for ( ; CONSP (directory
); directory
= XCDR (directory
))
6405 Lisp_Object pair
[2];
6408 GCPRO2 (directory
, list
);
6409 pair
[1] = w32_find_bdf_fonts_in_dir( XCAR (directory
) );
6410 list
= Fnconc( 2, pair
);
6417 DEFUN ("xw-color-defined-p", Fxw_color_defined_p
, Sxw_color_defined_p
, 1, 2, 0,
6418 doc
: /* Internal function called by `color-defined-p', which see. */)
6420 Lisp_Object color
, frame
;
6423 FRAME_PTR f
= check_x_frame (frame
);
6425 CHECK_STRING (color
);
6427 if (w32_defined_color (f
, SDATA (color
), &foo
, 0))
6433 DEFUN ("xw-color-values", Fxw_color_values
, Sxw_color_values
, 1, 2, 0,
6434 doc
: /* Internal function called by `color-values', which see. */)
6436 Lisp_Object color
, frame
;
6439 FRAME_PTR f
= check_x_frame (frame
);
6441 CHECK_STRING (color
);
6443 if (w32_defined_color (f
, SDATA (color
), &foo
, 0))
6447 rgb
[0] = make_number ((GetRValue (foo
.pixel
) << 8)
6448 | GetRValue (foo
.pixel
));
6449 rgb
[1] = make_number ((GetGValue (foo
.pixel
) << 8)
6450 | GetGValue (foo
.pixel
));
6451 rgb
[2] = make_number ((GetBValue (foo
.pixel
) << 8)
6452 | GetBValue (foo
.pixel
));
6453 return Flist (3, rgb
);
6459 DEFUN ("xw-display-color-p", Fxw_display_color_p
, Sxw_display_color_p
, 0, 1, 0,
6460 doc
: /* Internal function called by `display-color-p', which see. */)
6462 Lisp_Object display
;
6464 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6466 if ((dpyinfo
->n_planes
* dpyinfo
->n_cbits
) <= 2)
6472 DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p
,
6473 Sx_display_grayscale_p
, 0, 1, 0,
6474 doc
: /* Return t if the X display supports shades of gray.
6475 Note that color displays do support shades of gray.
6476 The optional argument DISPLAY specifies which display to ask about.
6477 DISPLAY should be either a frame or a display name (a string).
6478 If omitted or nil, that stands for the selected frame's display. */)
6480 Lisp_Object display
;
6482 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6484 if ((dpyinfo
->n_planes
* dpyinfo
->n_cbits
) <= 1)
6490 DEFUN ("x-display-pixel-width", Fx_display_pixel_width
,
6491 Sx_display_pixel_width
, 0, 1, 0,
6492 doc
: /* Returns the width in pixels of DISPLAY.
6493 The optional argument DISPLAY specifies which display to ask about.
6494 DISPLAY should be either a frame or a display name (a string).
6495 If omitted or nil, that stands for the selected frame's display. */)
6497 Lisp_Object display
;
6499 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6501 return make_number (dpyinfo
->width
);
6504 DEFUN ("x-display-pixel-height", Fx_display_pixel_height
,
6505 Sx_display_pixel_height
, 0, 1, 0,
6506 doc
: /* Returns the height in pixels of DISPLAY.
6507 The optional argument DISPLAY specifies which display to ask about.
6508 DISPLAY should be either a frame or a display name (a string).
6509 If omitted or nil, that stands for the selected frame's display. */)
6511 Lisp_Object display
;
6513 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6515 return make_number (dpyinfo
->height
);
6518 DEFUN ("x-display-planes", Fx_display_planes
, Sx_display_planes
,
6520 doc
: /* Returns the number of bitplanes of DISPLAY.
6521 The optional argument DISPLAY specifies which display to ask about.
6522 DISPLAY should be either a frame or a display name (a string).
6523 If omitted or nil, that stands for the selected frame's display. */)
6525 Lisp_Object display
;
6527 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6529 return make_number (dpyinfo
->n_planes
* dpyinfo
->n_cbits
);
6532 DEFUN ("x-display-color-cells", Fx_display_color_cells
, Sx_display_color_cells
,
6534 doc
: /* Returns the number of color cells of DISPLAY.
6535 The optional argument DISPLAY specifies which display to ask about.
6536 DISPLAY should be either a frame or a display name (a string).
6537 If omitted or nil, that stands for the selected frame's display. */)
6539 Lisp_Object display
;
6541 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6545 hdc
= GetDC (dpyinfo
->root_window
);
6546 if (dpyinfo
->has_palette
)
6547 cap
= GetDeviceCaps (hdc
,SIZEPALETTE
);
6549 cap
= GetDeviceCaps (hdc
,NUMCOLORS
);
6551 /* We force 24+ bit depths to 24-bit, both to prevent an overflow
6552 and because probably is more meaningful on Windows anyway */
6554 cap
= 1 << min(dpyinfo
->n_planes
* dpyinfo
->n_cbits
, 24);
6556 ReleaseDC (dpyinfo
->root_window
, hdc
);
6558 return make_number (cap
);
6561 DEFUN ("x-server-max-request-size", Fx_server_max_request_size
,
6562 Sx_server_max_request_size
,
6564 doc
: /* Returns the maximum request size of the server of DISPLAY.
6565 The optional argument DISPLAY specifies which display to ask about.
6566 DISPLAY should be either a frame or a display name (a string).
6567 If omitted or nil, that stands for the selected frame's display. */)
6569 Lisp_Object display
;
6571 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6573 return make_number (1);
6576 DEFUN ("x-server-vendor", Fx_server_vendor
, Sx_server_vendor
, 0, 1, 0,
6577 doc
: /* Returns the vendor ID string of the W32 system (Microsoft).
6578 The optional argument DISPLAY specifies which display to ask about.
6579 DISPLAY should be either a frame or a display name (a string).
6580 If omitted or nil, that stands for the selected frame's display. */)
6582 Lisp_Object display
;
6584 return build_string ("Microsoft Corp.");
6587 DEFUN ("x-server-version", Fx_server_version
, Sx_server_version
, 0, 1, 0,
6588 doc
: /* Returns the version numbers of the server of DISPLAY.
6589 The value is a list of three integers: the major and minor
6590 version numbers, and the vendor-specific release
6591 number. See also the function `x-server-vendor'.
6593 The optional argument DISPLAY specifies which display to ask about.
6594 DISPLAY should be either a frame or a display name (a string).
6595 If omitted or nil, that stands for the selected frame's display. */)
6597 Lisp_Object display
;
6599 return Fcons (make_number (w32_major_version
),
6600 Fcons (make_number (w32_minor_version
),
6601 Fcons (make_number (w32_build_number
), Qnil
)));
6604 DEFUN ("x-display-screens", Fx_display_screens
, Sx_display_screens
, 0, 1, 0,
6605 doc
: /* Returns the number of screens on the server of DISPLAY.
6606 The optional argument DISPLAY specifies which display to ask about.
6607 DISPLAY should be either a frame or a display name (a string).
6608 If omitted or nil, that stands for the selected frame's display. */)
6610 Lisp_Object display
;
6612 return make_number (1);
6615 DEFUN ("x-display-mm-height", Fx_display_mm_height
,
6616 Sx_display_mm_height
, 0, 1, 0,
6617 doc
: /* Returns the height in millimeters of DISPLAY.
6618 The optional argument DISPLAY specifies which display to ask about.
6619 DISPLAY should be either a frame or a display name (a string).
6620 If omitted or nil, that stands for the selected frame's display. */)
6622 Lisp_Object display
;
6624 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6628 hdc
= GetDC (dpyinfo
->root_window
);
6630 cap
= GetDeviceCaps (hdc
, VERTSIZE
);
6632 ReleaseDC (dpyinfo
->root_window
, hdc
);
6634 return make_number (cap
);
6637 DEFUN ("x-display-mm-width", Fx_display_mm_width
, Sx_display_mm_width
, 0, 1, 0,
6638 doc
: /* Returns the width in millimeters of DISPLAY.
6639 The optional argument DISPLAY specifies which display to ask about.
6640 DISPLAY should be either a frame or a display name (a string).
6641 If omitted or nil, that stands for the selected frame's display. */)
6643 Lisp_Object display
;
6645 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6650 hdc
= GetDC (dpyinfo
->root_window
);
6652 cap
= GetDeviceCaps (hdc
, HORZSIZE
);
6654 ReleaseDC (dpyinfo
->root_window
, hdc
);
6656 return make_number (cap
);
6659 DEFUN ("x-display-backing-store", Fx_display_backing_store
,
6660 Sx_display_backing_store
, 0, 1, 0,
6661 doc
: /* Returns an indication of whether DISPLAY does backing store.
6662 The value may be `always', `when-mapped', or `not-useful'.
6663 The optional argument DISPLAY specifies which display to ask about.
6664 DISPLAY should be either a frame or a display name (a string).
6665 If omitted or nil, that stands for the selected frame's display. */)
6667 Lisp_Object display
;
6669 return intern ("not-useful");
6672 DEFUN ("x-display-visual-class", Fx_display_visual_class
,
6673 Sx_display_visual_class
, 0, 1, 0,
6674 doc
: /* Returns the visual class of DISPLAY.
6675 The value is one of the symbols `static-gray', `gray-scale',
6676 `static-color', `pseudo-color', `true-color', or `direct-color'.
6678 The optional argument DISPLAY specifies which display to ask about.
6679 DISPLAY should be either a frame or a display name (a string).
6680 If omitted or nil, that stands for the selected frame's display. */)
6682 Lisp_Object display
;
6684 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6685 Lisp_Object result
= Qnil
;
6687 if (dpyinfo
->has_palette
)
6688 result
= intern ("pseudo-color");
6689 else if (dpyinfo
->n_planes
* dpyinfo
->n_cbits
== 1)
6690 result
= intern ("static-grey");
6691 else if (dpyinfo
->n_planes
* dpyinfo
->n_cbits
== 4)
6692 result
= intern ("static-color");
6693 else if (dpyinfo
->n_planes
* dpyinfo
->n_cbits
> 8)
6694 result
= intern ("true-color");
6699 DEFUN ("x-display-save-under", Fx_display_save_under
,
6700 Sx_display_save_under
, 0, 1, 0,
6701 doc
: /* Returns t if DISPLAY supports the save-under feature.
6702 The optional argument DISPLAY specifies which display to ask about.
6703 DISPLAY should be either a frame or a display name (a string).
6704 If omitted or nil, that stands for the selected frame's display. */)
6706 Lisp_Object display
;
6713 register struct frame
*f
;
6715 return FRAME_PIXEL_WIDTH (f
);
6720 register struct frame
*f
;
6722 return FRAME_PIXEL_HEIGHT (f
);
6727 register struct frame
*f
;
6729 return FRAME_COLUMN_WIDTH (f
);
6734 register struct frame
*f
;
6736 return FRAME_LINE_HEIGHT (f
);
6741 register struct frame
*f
;
6743 return FRAME_W32_DISPLAY_INFO (f
)->n_planes
;
6746 /* Return the display structure for the display named NAME.
6747 Open a new connection if necessary. */
6749 struct w32_display_info
*
6750 x_display_info_for_name (name
)
6754 struct w32_display_info
*dpyinfo
;
6756 CHECK_STRING (name
);
6758 for (dpyinfo
= &one_w32_display_info
, names
= w32_display_name_list
;
6760 dpyinfo
= dpyinfo
->next
, names
= XCDR (names
))
6763 tem
= Fstring_equal (XCAR (XCAR (names
)), name
);
6768 /* Use this general default value to start with. */
6769 Vx_resource_name
= Vinvocation_name
;
6771 validate_x_resource_name ();
6773 dpyinfo
= w32_term_init (name
, (unsigned char *)0,
6774 (char *) SDATA (Vx_resource_name
));
6777 error ("Cannot connect to server %s", SDATA (name
));
6780 XSETFASTINT (Vwindow_system_version
, 3);
6785 DEFUN ("x-open-connection", Fx_open_connection
, Sx_open_connection
,
6786 1, 3, 0, doc
: /* Open a connection to a server.
6787 DISPLAY is the name of the display to connect to.
6788 Optional second arg XRM-STRING is a string of resources in xrdb format.
6789 If the optional third arg MUST-SUCCEED is non-nil,
6790 terminate Emacs if we can't open the connection. */)
6791 (display
, xrm_string
, must_succeed
)
6792 Lisp_Object display
, xrm_string
, must_succeed
;
6794 unsigned char *xrm_option
;
6795 struct w32_display_info
*dpyinfo
;
6797 /* If initialization has already been done, return now to avoid
6798 overwriting critical parts of one_w32_display_info. */
6802 CHECK_STRING (display
);
6803 if (! NILP (xrm_string
))
6804 CHECK_STRING (xrm_string
);
6806 if (! EQ (Vwindow_system
, intern ("w32")))
6807 error ("Not using Microsoft Windows");
6809 /* Allow color mapping to be defined externally; first look in user's
6810 HOME directory, then in Emacs etc dir for a file called rgb.txt. */
6812 Lisp_Object color_file
;
6813 struct gcpro gcpro1
;
6815 color_file
= build_string("~/rgb.txt");
6817 GCPRO1 (color_file
);
6819 if (NILP (Ffile_readable_p (color_file
)))
6821 Fexpand_file_name (build_string ("rgb.txt"),
6822 Fsymbol_value (intern ("data-directory")));
6824 Vw32_color_map
= Fw32_load_color_file (color_file
);
6828 if (NILP (Vw32_color_map
))
6829 Vw32_color_map
= Fw32_default_color_map ();
6831 /* Merge in system logical colors. */
6832 add_system_logical_colors_to_map (&Vw32_color_map
);
6834 if (! NILP (xrm_string
))
6835 xrm_option
= (unsigned char *) SDATA (xrm_string
);
6837 xrm_option
= (unsigned char *) 0;
6839 /* Use this general default value to start with. */
6840 /* First remove .exe suffix from invocation-name - it looks ugly. */
6842 char basename
[ MAX_PATH
], *str
;
6844 strcpy (basename
, SDATA (Vinvocation_name
));
6845 str
= strrchr (basename
, '.');
6847 Vinvocation_name
= build_string (basename
);
6849 Vx_resource_name
= Vinvocation_name
;
6851 validate_x_resource_name ();
6853 /* This is what opens the connection and sets x_current_display.
6854 This also initializes many symbols, such as those used for input. */
6855 dpyinfo
= w32_term_init (display
, xrm_option
,
6856 (char *) SDATA (Vx_resource_name
));
6860 if (!NILP (must_succeed
))
6861 fatal ("Cannot connect to server %s.\n",
6864 error ("Cannot connect to server %s", SDATA (display
));
6869 XSETFASTINT (Vwindow_system_version
, 3);
6873 DEFUN ("x-close-connection", Fx_close_connection
,
6874 Sx_close_connection
, 1, 1, 0,
6875 doc
: /* Close the connection to DISPLAY's server.
6876 For DISPLAY, specify either a frame or a display name (a string).
6877 If DISPLAY is nil, that stands for the selected frame's display. */)
6879 Lisp_Object display
;
6881 struct w32_display_info
*dpyinfo
= check_x_display_info (display
);
6884 if (dpyinfo
->reference_count
> 0)
6885 error ("Display still has frames on it");
6888 /* Free the fonts in the font table. */
6889 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6890 if (dpyinfo
->font_table
[i
].name
)
6892 if (dpyinfo
->font_table
[i
].name
!= dpyinfo
->font_table
[i
].full_name
)
6893 xfree (dpyinfo
->font_table
[i
].full_name
);
6894 xfree (dpyinfo
->font_table
[i
].name
);
6895 w32_unload_font (dpyinfo
, dpyinfo
->font_table
[i
].font
);
6897 x_destroy_all_bitmaps (dpyinfo
);
6899 x_delete_display (dpyinfo
);
6905 DEFUN ("x-display-list", Fx_display_list
, Sx_display_list
, 0, 0, 0,
6906 doc
: /* Return the list of display names that Emacs has connections to. */)
6909 Lisp_Object tail
, result
;
6912 for (tail
= w32_display_name_list
; ! NILP (tail
); tail
= XCDR (tail
))
6913 result
= Fcons (XCAR (XCAR (tail
)), result
);
6918 DEFUN ("x-synchronize", Fx_synchronize
, Sx_synchronize
, 1, 2, 0,
6919 doc
: /* This is a noop on W32 systems. */)
6921 Lisp_Object display
, on
;
6927 /***********************************************************************
6929 ***********************************************************************/
6931 /* Value is the number of elements of vector VECTOR. */
6933 #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
6935 /* List of supported image types. Use define_image_type to add new
6936 types. Use lookup_image_type to find a type for a given symbol. */
6938 static struct image_type
*image_types
;
6940 /* The symbol `image' which is the car of the lists used to represent
6943 extern Lisp_Object Qimage
;
6945 /* The symbol `xbm' which is used as the type symbol for XBM images. */
6951 extern Lisp_Object QCwidth
, QCheight
, QCforeground
, QCbackground
, QCfile
;
6952 extern Lisp_Object QCdata
, QCtype
;
6953 Lisp_Object QCascent
, QCmargin
, QCrelief
;
6954 Lisp_Object QCconversion
, QCcolor_symbols
, QCheuristic_mask
;
6955 Lisp_Object QCindex
, QCmatrix
, QCcolor_adjustment
, QCmask
;
6957 /* Other symbols. */
6959 Lisp_Object Qlaplace
, Qemboss
, Qedge_detection
, Qheuristic
;
6961 /* Time in seconds after which images should be removed from the cache
6962 if not displayed. */
6964 Lisp_Object Vimage_cache_eviction_delay
;
6966 /* Function prototypes. */
6968 static void define_image_type
P_ ((struct image_type
*type
));
6969 static struct image_type
*lookup_image_type
P_ ((Lisp_Object symbol
));
6970 static void image_error
P_ ((char *format
, Lisp_Object
, Lisp_Object
));
6971 static void x_laplace
P_ ((struct frame
*, struct image
*));
6972 static void x_emboss
P_ ((struct frame
*, struct image
*));
6973 static int x_build_heuristic_mask
P_ ((struct frame
*, struct image
*,
6977 /* Define a new image type from TYPE. This adds a copy of TYPE to
6978 image_types and adds the symbol *TYPE->type to Vimage_types. */
6981 define_image_type (type
)
6982 struct image_type
*type
;
6984 /* Make a copy of TYPE to avoid a bus error in a dumped Emacs.
6985 The initialized data segment is read-only. */
6986 struct image_type
*p
= (struct image_type
*) xmalloc (sizeof *p
);
6987 bcopy (type
, p
, sizeof *p
);
6988 p
->next
= image_types
;
6990 Vimage_types
= Fcons (*p
->type
, Vimage_types
);
6994 /* Look up image type SYMBOL, and return a pointer to its image_type
6995 structure. Value is null if SYMBOL is not a known image type. */
6997 static INLINE
struct image_type
*
6998 lookup_image_type (symbol
)
7001 struct image_type
*type
;
7003 for (type
= image_types
; type
; type
= type
->next
)
7004 if (EQ (symbol
, *type
->type
))
7011 /* Value is non-zero if OBJECT is a valid Lisp image specification. A
7012 valid image specification is a list whose car is the symbol
7013 `image', and whose rest is a property list. The property list must
7014 contain a value for key `:type'. That value must be the name of a
7015 supported image type. The rest of the property list depends on the
7019 valid_image_p (object
)
7024 if (CONSP (object
) && EQ (XCAR (object
), Qimage
))
7028 for (tem
= XCDR (object
); CONSP (tem
); tem
= XCDR (tem
))
7029 if (EQ (XCAR (tem
), QCtype
))
7032 if (CONSP (tem
) && SYMBOLP (XCAR (tem
)))
7034 struct image_type
*type
;
7035 type
= lookup_image_type (XCAR (tem
));
7037 valid_p
= type
->valid_p (object
);
7048 /* Log error message with format string FORMAT and argument ARG.
7049 Signaling an error, e.g. when an image cannot be loaded, is not a
7050 good idea because this would interrupt redisplay, and the error
7051 message display would lead to another redisplay. This function
7052 therefore simply displays a message. */
7055 image_error (format
, arg1
, arg2
)
7057 Lisp_Object arg1
, arg2
;
7059 add_to_log (format
, arg1
, arg2
);
7064 /***********************************************************************
7065 Image specifications
7066 ***********************************************************************/
7068 enum image_value_type
7070 IMAGE_DONT_CHECK_VALUE_TYPE
,
7072 IMAGE_STRING_OR_NIL_VALUE
,
7074 IMAGE_POSITIVE_INTEGER_VALUE
,
7075 IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
,
7076 IMAGE_NON_NEGATIVE_INTEGER_VALUE
,
7078 IMAGE_INTEGER_VALUE
,
7079 IMAGE_FUNCTION_VALUE
,
7084 /* Structure used when parsing image specifications. */
7086 struct image_keyword
7088 /* Name of keyword. */
7091 /* The type of value allowed. */
7092 enum image_value_type type
;
7094 /* Non-zero means key must be present. */
7097 /* Used to recognize duplicate keywords in a property list. */
7100 /* The value that was found. */
7105 static int parse_image_spec
P_ ((Lisp_Object
, struct image_keyword
*,
7107 static Lisp_Object image_spec_value
P_ ((Lisp_Object
, Lisp_Object
, int *));
7110 /* Parse image spec SPEC according to KEYWORDS. A valid image spec
7111 has the format (image KEYWORD VALUE ...). One of the keyword/
7112 value pairs must be `:type TYPE'. KEYWORDS is a vector of
7113 image_keywords structures of size NKEYWORDS describing other
7114 allowed keyword/value pairs. Value is non-zero if SPEC is valid. */
7117 parse_image_spec (spec
, keywords
, nkeywords
, type
)
7119 struct image_keyword
*keywords
;
7126 if (!CONSP (spec
) || !EQ (XCAR (spec
), Qimage
))
7129 plist
= XCDR (spec
);
7130 while (CONSP (plist
))
7132 Lisp_Object key
, value
;
7134 /* First element of a pair must be a symbol. */
7136 plist
= XCDR (plist
);
7140 /* There must follow a value. */
7143 value
= XCAR (plist
);
7144 plist
= XCDR (plist
);
7146 /* Find key in KEYWORDS. Error if not found. */
7147 for (i
= 0; i
< nkeywords
; ++i
)
7148 if (strcmp (keywords
[i
].name
, SDATA (SYMBOL_NAME (key
))) == 0)
7154 /* Record that we recognized the keyword. If a keywords
7155 was found more than once, it's an error. */
7156 keywords
[i
].value
= value
;
7157 ++keywords
[i
].count
;
7159 if (keywords
[i
].count
> 1)
7162 /* Check type of value against allowed type. */
7163 switch (keywords
[i
].type
)
7165 case IMAGE_STRING_VALUE
:
7166 if (!STRINGP (value
))
7170 case IMAGE_STRING_OR_NIL_VALUE
:
7171 if (!STRINGP (value
) && !NILP (value
))
7175 case IMAGE_SYMBOL_VALUE
:
7176 if (!SYMBOLP (value
))
7180 case IMAGE_POSITIVE_INTEGER_VALUE
:
7181 if (!INTEGERP (value
) || XINT (value
) <= 0)
7185 case IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
:
7186 if (INTEGERP (value
) && XINT (value
) >= 0)
7189 && INTEGERP (XCAR (value
)) && INTEGERP (XCDR (value
))
7190 && XINT (XCAR (value
)) >= 0 && XINT (XCDR (value
)) >= 0)
7194 case IMAGE_ASCENT_VALUE
:
7195 if (SYMBOLP (value
) && EQ (value
, Qcenter
))
7197 else if (INTEGERP (value
)
7198 && XINT (value
) >= 0
7199 && XINT (value
) <= 100)
7203 case IMAGE_NON_NEGATIVE_INTEGER_VALUE
:
7204 if (!INTEGERP (value
) || XINT (value
) < 0)
7208 case IMAGE_DONT_CHECK_VALUE_TYPE
:
7211 case IMAGE_FUNCTION_VALUE
:
7212 value
= indirect_function (value
);
7214 || COMPILEDP (value
)
7215 || (CONSP (value
) && EQ (XCAR (value
), Qlambda
)))
7219 case IMAGE_NUMBER_VALUE
:
7220 if (!INTEGERP (value
) && !FLOATP (value
))
7224 case IMAGE_INTEGER_VALUE
:
7225 if (!INTEGERP (value
))
7229 case IMAGE_BOOL_VALUE
:
7230 if (!NILP (value
) && !EQ (value
, Qt
))
7239 if (EQ (key
, QCtype
) && !EQ (type
, value
))
7243 /* Check that all mandatory fields are present. */
7244 for (i
= 0; i
< nkeywords
; ++i
)
7245 if (keywords
[i
].mandatory_p
&& keywords
[i
].count
== 0)
7248 return NILP (plist
);
7252 /* Return the value of KEY in image specification SPEC. Value is nil
7253 if KEY is not present in SPEC. if FOUND is not null, set *FOUND
7254 to 1 if KEY was found in SPEC, set it to 0 otherwise. */
7257 image_spec_value (spec
, key
, found
)
7258 Lisp_Object spec
, key
;
7263 xassert (valid_image_p (spec
));
7265 for (tail
= XCDR (spec
);
7266 CONSP (tail
) && CONSP (XCDR (tail
));
7267 tail
= XCDR (XCDR (tail
)))
7269 if (EQ (XCAR (tail
), key
))
7273 return XCAR (XCDR (tail
));
7283 DEFUN ("image-size", Fimage_size
, Simage_size
, 1, 3, 0,
7284 doc
: /* Return the size of image SPEC as pair (WIDTH . HEIGHT).
7285 PIXELS non-nil means return the size in pixels, otherwise return the
7286 size in canonical character units.
7287 FRAME is the frame on which the image will be displayed. FRAME nil
7288 or omitted means use the selected frame. */)
7289 (spec
, pixels
, frame
)
7290 Lisp_Object spec
, pixels
, frame
;
7295 if (valid_image_p (spec
))
7297 struct frame
*f
= check_x_frame (frame
);
7298 int id
= lookup_image (f
, spec
);
7299 struct image
*img
= IMAGE_FROM_ID (f
, id
);
7300 int width
= img
->width
+ 2 * img
->hmargin
;
7301 int height
= img
->height
+ 2 * img
->vmargin
;
7304 size
= Fcons (make_float ((double) width
/ FRAME_COLUMN_WIDTH (f
)),
7305 make_float ((double) height
/ FRAME_LINE_HEIGHT (f
)));
7307 size
= Fcons (make_number (width
), make_number (height
));
7310 error ("Invalid image specification");
7316 DEFUN ("image-mask-p", Fimage_mask_p
, Simage_mask_p
, 1, 2, 0,
7317 doc
: /* Return t if image SPEC has a mask bitmap.
7318 FRAME is the frame on which the image will be displayed. FRAME nil
7319 or omitted means use the selected frame. */)
7321 Lisp_Object spec
, frame
;
7326 if (valid_image_p (spec
))
7328 struct frame
*f
= check_x_frame (frame
);
7329 int id
= lookup_image (f
, spec
);
7330 struct image
*img
= IMAGE_FROM_ID (f
, id
);
7335 error ("Invalid image specification");
7341 /***********************************************************************
7342 Image type independent image structures
7343 ***********************************************************************/
7345 static struct image
*make_image
P_ ((Lisp_Object spec
, unsigned hash
));
7346 static void free_image
P_ ((struct frame
*f
, struct image
*img
));
7347 static void x_destroy_x_image
P_ ((XImage
*));
7350 /* Allocate and return a new image structure for image specification
7351 SPEC. SPEC has a hash value of HASH. */
7353 static struct image
*
7354 make_image (spec
, hash
)
7358 struct image
*img
= (struct image
*) xmalloc (sizeof *img
);
7360 xassert (valid_image_p (spec
));
7361 bzero (img
, sizeof *img
);
7362 img
->type
= lookup_image_type (image_spec_value (spec
, QCtype
, NULL
));
7363 xassert (img
->type
!= NULL
);
7365 img
->data
.lisp_val
= Qnil
;
7366 img
->ascent
= DEFAULT_IMAGE_ASCENT
;
7372 /* Free image IMG which was used on frame F, including its resources. */
7381 struct image_cache
*c
= FRAME_X_IMAGE_CACHE (f
);
7383 /* Remove IMG from the hash table of its cache. */
7385 img
->prev
->next
= img
->next
;
7387 c
->buckets
[img
->hash
% IMAGE_CACHE_BUCKETS_SIZE
] = img
->next
;
7390 img
->next
->prev
= img
->prev
;
7392 c
->images
[img
->id
] = NULL
;
7394 /* Free resources, then free IMG. */
7395 img
->type
->free (f
, img
);
7401 /* Prepare image IMG for display on frame F. Must be called before
7402 drawing an image. */
7405 prepare_image_for_display (f
, img
)
7411 /* We're about to display IMG, so set its timestamp to `now'. */
7413 img
->timestamp
= EMACS_SECS (t
);
7415 /* If IMG doesn't have a pixmap yet, load it now, using the image
7416 type dependent loader function. */
7417 if (img
->pixmap
== 0 && !img
->load_failed_p
)
7418 img
->load_failed_p
= img
->type
->load (f
, img
) == 0;
7422 /* Value is the number of pixels for the ascent of image IMG when
7423 drawn in face FACE. */
7426 image_ascent (img
, face
)
7430 int height
= img
->height
+ img
->vmargin
;
7433 if (img
->ascent
== CENTERED_IMAGE_ASCENT
)
7436 ascent
= height
/ 2 - (FONT_DESCENT(face
->font
)
7437 - FONT_BASE(face
->font
)) / 2;
7439 ascent
= height
/ 2;
7442 ascent
= (int) (height
* img
->ascent
/ 100.0);
7449 /* Image background colors. */
7451 /* Find the "best" corner color of a bitmap. XIMG is assumed to a device
7452 context with the bitmap selected. */
7454 four_corners_best (img_dc
, width
, height
)
7456 unsigned long width
, height
;
7458 COLORREF corners
[4], best
;
7461 /* Get the colors at the corners of img_dc. */
7462 corners
[0] = GetPixel (img_dc
, 0, 0);
7463 corners
[1] = GetPixel (img_dc
, width
- 1, 0);
7464 corners
[2] = GetPixel (img_dc
, width
- 1, height
- 1);
7465 corners
[3] = GetPixel (img_dc
, 0, height
- 1);
7467 /* Choose the most frequently found color as background. */
7468 for (i
= best_count
= 0; i
< 4; ++i
)
7472 for (j
= n
= 0; j
< 4; ++j
)
7473 if (corners
[i
] == corners
[j
])
7477 best
= corners
[i
], best_count
= n
;
7483 /* Return the `background' field of IMG. If IMG doesn't have one yet,
7484 it is guessed heuristically. If non-zero, IMG_DC is an existing
7485 device context with the image selected to use for the heuristic. */
7488 image_background (img
, f
, img_dc
)
7493 if (! img
->background_valid
)
7494 /* IMG doesn't have a background yet, try to guess a reasonable value. */
7496 int free_ximg
= !img_dc
;
7501 HDC frame_dc
= get_frame_dc (f
);
7502 img_dc
= CreateCompatibleDC (frame_dc
);
7503 release_frame_dc (f
, frame_dc
);
7505 prev
= SelectObject (img_dc
, img
->pixmap
);
7508 img
->background
= four_corners_best (img_dc
, img
->width
, img
->height
);
7512 SelectObject (img_dc
, prev
);
7516 img
->background_valid
= 1;
7519 return img
->background
;
7522 /* Return the `background_transparent' field of IMG. If IMG doesn't
7523 have one yet, it is guessed heuristically. If non-zero, MASK is an
7524 existing XImage object to use for the heuristic. */
7527 image_background_transparent (img
, f
, mask
)
7532 if (! img
->background_transparent_valid
)
7533 /* IMG doesn't have a background yet, try to guess a reasonable value. */
7537 int free_mask
= !mask
;
7542 HDC frame_dc
= get_frame_dc (f
);
7543 mask
= CreateCompatibleDC (frame_dc
);
7544 release_frame_dc (f
, frame_dc
);
7546 prev
= SelectObject (mask
, img
->mask
);
7549 img
->background_transparent
7550 = !four_corners_best (mask
, img
->width
, img
->height
);
7554 SelectObject (mask
, prev
);
7559 img
->background_transparent
= 0;
7561 img
->background_transparent_valid
= 1;
7564 return img
->background_transparent
;
7568 /***********************************************************************
7569 Helper functions for X image types
7570 ***********************************************************************/
7572 static void x_clear_image_1
P_ ((struct frame
*, struct image
*, int,
7574 static void x_clear_image
P_ ((struct frame
*f
, struct image
*img
));
7575 static unsigned long x_alloc_image_color
P_ ((struct frame
*f
,
7577 Lisp_Object color_name
,
7578 unsigned long dflt
));
7581 /* Clear X resources of image IMG on frame F. PIXMAP_P non-zero means
7582 free the pixmap if any. MASK_P non-zero means clear the mask
7583 pixmap if any. COLORS_P non-zero means free colors allocated for
7584 the image, if any. */
7587 x_clear_image_1 (f
, img
, pixmap_p
, mask_p
, colors_p
)
7590 int pixmap_p
, mask_p
, colors_p
;
7592 if (pixmap_p
&& img
->pixmap
)
7594 DeleteObject (img
->pixmap
);
7596 img
->background_valid
= 0;
7599 if (mask_p
&& img
->mask
)
7601 DeleteObject (img
->mask
);
7603 img
->background_transparent_valid
= 0;
7606 if (colors_p
&& img
->ncolors
)
7608 #if 0 /* TODO: color table support. */
7609 x_free_colors (f
, img
->colors
, img
->ncolors
);
7611 xfree (img
->colors
);
7617 /* Free X resources of image IMG which is used on frame F. */
7620 x_clear_image (f
, img
)
7627 DeleteObject (img
->pixmap
);
7634 #if 0 /* TODO: color table support */
7636 int class = FRAME_W32_DISPLAY_INFO (f
)->visual
->class;
7638 /* If display has an immutable color map, freeing colors is not
7639 necessary and some servers don't allow it. So don't do it. */
7640 if (class != StaticColor
7641 && class != StaticGray
7642 && class != TrueColor
)
7646 cmap
= DefaultColormapOfScreen (FRAME_W32_DISPLAY_INFO (f
)->screen
);
7647 XFreeColors (FRAME_W32_DISPLAY (f
), cmap
, img
->colors
,
7653 xfree (img
->colors
);
7660 /* Allocate color COLOR_NAME for image IMG on frame F. If color
7661 cannot be allocated, use DFLT. Add a newly allocated color to
7662 IMG->colors, so that it can be freed again. Value is the pixel
7665 static unsigned long
7666 x_alloc_image_color (f
, img
, color_name
, dflt
)
7669 Lisp_Object color_name
;
7673 unsigned long result
;
7675 xassert (STRINGP (color_name
));
7677 if (w32_defined_color (f
, SDATA (color_name
), &color
, 1))
7679 /* This isn't called frequently so we get away with simply
7680 reallocating the color vector to the needed size, here. */
7683 (unsigned long *) xrealloc (img
->colors
,
7684 img
->ncolors
* sizeof *img
->colors
);
7685 img
->colors
[img
->ncolors
- 1] = color
.pixel
;
7686 result
= color
.pixel
;
7695 /***********************************************************************
7697 ***********************************************************************/
7699 static void cache_image
P_ ((struct frame
*f
, struct image
*img
));
7700 static void postprocess_image
P_ ((struct frame
*, struct image
*));
7701 static void x_disable_image
P_ ((struct frame
*, struct image
*));
7704 /* Return a new, initialized image cache that is allocated from the
7705 heap. Call free_image_cache to free an image cache. */
7707 struct image_cache
*
7710 struct image_cache
*c
= (struct image_cache
*) xmalloc (sizeof *c
);
7713 bzero (c
, sizeof *c
);
7715 c
->images
= (struct image
**) xmalloc (c
->size
* sizeof *c
->images
);
7716 size
= IMAGE_CACHE_BUCKETS_SIZE
* sizeof *c
->buckets
;
7717 c
->buckets
= (struct image
**) xmalloc (size
);
7718 bzero (c
->buckets
, size
);
7723 /* Free image cache of frame F. Be aware that X frames share images
7727 free_image_cache (f
)
7730 struct image_cache
*c
= FRAME_X_IMAGE_CACHE (f
);
7735 /* Cache should not be referenced by any frame when freed. */
7736 xassert (c
->refcount
== 0);
7738 for (i
= 0; i
< c
->used
; ++i
)
7739 free_image (f
, c
->images
[i
]);
7743 FRAME_X_IMAGE_CACHE (f
) = NULL
;
7748 /* Clear image cache of frame F. FORCE_P non-zero means free all
7749 images. FORCE_P zero means clear only images that haven't been
7750 displayed for some time. Should be called from time to time to
7751 reduce the number of loaded images. If image-eviction-seconds is
7752 non-nil, this frees images in the cache which weren't displayed for
7753 at least that many seconds. */
7756 clear_image_cache (f
, force_p
)
7760 struct image_cache
*c
= FRAME_X_IMAGE_CACHE (f
);
7762 if (c
&& INTEGERP (Vimage_cache_eviction_delay
))
7769 old
= EMACS_SECS (t
) - XFASTINT (Vimage_cache_eviction_delay
);
7771 /* Block input so that we won't be interrupted by a SIGIO
7772 while being in an inconsistent state. */
7775 for (i
= nfreed
= 0; i
< c
->used
; ++i
)
7777 struct image
*img
= c
->images
[i
];
7779 && (force_p
|| (img
->timestamp
< old
)))
7781 free_image (f
, img
);
7786 /* We may be clearing the image cache because, for example,
7787 Emacs was iconified for a longer period of time. In that
7788 case, current matrices may still contain references to
7789 images freed above. So, clear these matrices. */
7792 Lisp_Object tail
, frame
;
7794 FOR_EACH_FRAME (tail
, frame
)
7796 struct frame
*f
= XFRAME (frame
);
7798 && FRAME_X_IMAGE_CACHE (f
) == c
)
7799 clear_current_matrices (f
);
7802 ++windows_or_buffers_changed
;
7810 DEFUN ("clear-image-cache", Fclear_image_cache
, Sclear_image_cache
,
7812 doc
: /* Clear the image cache of FRAME.
7813 FRAME nil or omitted means use the selected frame.
7814 FRAME t means clear the image caches of all frames. */)
7822 FOR_EACH_FRAME (tail
, frame
)
7823 if (FRAME_W32_P (XFRAME (frame
)))
7824 clear_image_cache (XFRAME (frame
), 1);
7827 clear_image_cache (check_x_frame (frame
), 1);
7833 /* Compute masks and transform image IMG on frame F, as specified
7834 by the image's specification, */
7837 postprocess_image (f
, img
)
7841 /* Manipulation of the image's mask. */
7844 Lisp_Object conversion
, spec
;
7849 /* `:heuristic-mask t'
7851 means build a mask heuristically.
7852 `:heuristic-mask (R G B)'
7853 `:mask (heuristic (R G B))'
7854 means build a mask from color (R G B) in the
7857 means remove a mask, if any. */
7859 mask
= image_spec_value (spec
, QCheuristic_mask
, NULL
);
7861 x_build_heuristic_mask (f
, img
, mask
);
7866 mask
= image_spec_value (spec
, QCmask
, &found_p
);
7868 if (EQ (mask
, Qheuristic
))
7869 x_build_heuristic_mask (f
, img
, Qt
);
7870 else if (CONSP (mask
)
7871 && EQ (XCAR (mask
), Qheuristic
))
7873 if (CONSP (XCDR (mask
)))
7874 x_build_heuristic_mask (f
, img
, XCAR (XCDR (mask
)));
7876 x_build_heuristic_mask (f
, img
, XCDR (mask
));
7878 else if (NILP (mask
) && found_p
&& img
->mask
)
7880 DeleteObject (img
->mask
);
7886 /* Should we apply an image transformation algorithm? */
7887 conversion
= image_spec_value (spec
, QCconversion
, NULL
);
7888 if (EQ (conversion
, Qdisabled
))
7889 x_disable_image (f
, img
);
7890 else if (EQ (conversion
, Qlaplace
))
7892 else if (EQ (conversion
, Qemboss
))
7894 else if (CONSP (conversion
)
7895 && EQ (XCAR (conversion
), Qedge_detection
))
7898 tem
= XCDR (conversion
);
7900 x_edge_detection (f
, img
,
7901 Fplist_get (tem
, QCmatrix
),
7902 Fplist_get (tem
, QCcolor_adjustment
));
7908 /* Return the id of image with Lisp specification SPEC on frame F.
7909 SPEC must be a valid Lisp image specification (see valid_image_p). */
7912 lookup_image (f
, spec
)
7916 struct image_cache
*c
= FRAME_X_IMAGE_CACHE (f
);
7920 struct gcpro gcpro1
;
7923 /* F must be a window-system frame, and SPEC must be a valid image
7925 xassert (FRAME_WINDOW_P (f
));
7926 xassert (valid_image_p (spec
));
7930 /* Look up SPEC in the hash table of the image cache. */
7931 hash
= sxhash (spec
, 0);
7932 i
= hash
% IMAGE_CACHE_BUCKETS_SIZE
;
7934 for (img
= c
->buckets
[i
]; img
; img
= img
->next
)
7935 if (img
->hash
== hash
&& !NILP (Fequal (img
->spec
, spec
)))
7938 /* If not found, create a new image and cache it. */
7941 extern Lisp_Object Qpostscript
;
7944 img
= make_image (spec
, hash
);
7945 cache_image (f
, img
);
7946 img
->load_failed_p
= img
->type
->load (f
, img
) == 0;
7948 /* If we can't load the image, and we don't have a width and
7949 height, use some arbitrary width and height so that we can
7950 draw a rectangle for it. */
7951 if (img
->load_failed_p
)
7955 value
= image_spec_value (spec
, QCwidth
, NULL
);
7956 img
->width
= (INTEGERP (value
)
7957 ? XFASTINT (value
) : DEFAULT_IMAGE_WIDTH
);
7958 value
= image_spec_value (spec
, QCheight
, NULL
);
7959 img
->height
= (INTEGERP (value
)
7960 ? XFASTINT (value
) : DEFAULT_IMAGE_HEIGHT
);
7964 /* Handle image type independent image attributes
7965 `:ascent ASCENT', `:margin MARGIN', `:relief RELIEF',
7966 `:background COLOR'. */
7967 Lisp_Object ascent
, margin
, relief
, bg
;
7969 ascent
= image_spec_value (spec
, QCascent
, NULL
);
7970 if (INTEGERP (ascent
))
7971 img
->ascent
= XFASTINT (ascent
);
7972 else if (EQ (ascent
, Qcenter
))
7973 img
->ascent
= CENTERED_IMAGE_ASCENT
;
7975 margin
= image_spec_value (spec
, QCmargin
, NULL
);
7976 if (INTEGERP (margin
) && XINT (margin
) >= 0)
7977 img
->vmargin
= img
->hmargin
= XFASTINT (margin
);
7978 else if (CONSP (margin
) && INTEGERP (XCAR (margin
))
7979 && INTEGERP (XCDR (margin
)))
7981 if (XINT (XCAR (margin
)) > 0)
7982 img
->hmargin
= XFASTINT (XCAR (margin
));
7983 if (XINT (XCDR (margin
)) > 0)
7984 img
->vmargin
= XFASTINT (XCDR (margin
));
7987 relief
= image_spec_value (spec
, QCrelief
, NULL
);
7988 if (INTEGERP (relief
))
7990 img
->relief
= XINT (relief
);
7991 img
->hmargin
+= abs (img
->relief
);
7992 img
->vmargin
+= abs (img
->relief
);
7995 if (! img
->background_valid
)
7997 bg
= image_spec_value (img
->spec
, QCbackground
, NULL
);
8001 = x_alloc_image_color (f
, img
, bg
,
8002 FRAME_BACKGROUND_PIXEL (f
));
8003 img
->background_valid
= 1;
8007 /* Do image transformations and compute masks, unless we
8008 don't have the image yet. */
8009 if (!EQ (*img
->type
->type
, Qpostscript
))
8010 postprocess_image (f
, img
);
8014 xassert (!interrupt_input_blocked
);
8017 /* We're using IMG, so set its timestamp to `now'. */
8018 EMACS_GET_TIME (now
);
8019 img
->timestamp
= EMACS_SECS (now
);
8023 /* Value is the image id. */
8028 /* Cache image IMG in the image cache of frame F. */
8031 cache_image (f
, img
)
8035 struct image_cache
*c
= FRAME_X_IMAGE_CACHE (f
);
8038 /* Find a free slot in c->images. */
8039 for (i
= 0; i
< c
->used
; ++i
)
8040 if (c
->images
[i
] == NULL
)
8043 /* If no free slot found, maybe enlarge c->images. */
8044 if (i
== c
->used
&& c
->used
== c
->size
)
8047 c
->images
= (struct image
**) xrealloc (c
->images
,
8048 c
->size
* sizeof *c
->images
);
8051 /* Add IMG to c->images, and assign IMG an id. */
8057 /* Add IMG to the cache's hash table. */
8058 i
= img
->hash
% IMAGE_CACHE_BUCKETS_SIZE
;
8059 img
->next
= c
->buckets
[i
];
8061 img
->next
->prev
= img
;
8063 c
->buckets
[i
] = img
;
8067 /* Call FN on every image in the image cache of frame F. Used to mark
8068 Lisp Objects in the image cache. */
8071 forall_images_in_image_cache (f
, fn
)
8073 void (*fn
) P_ ((struct image
*img
));
8075 if (FRAME_LIVE_P (f
) && FRAME_W32_P (f
))
8077 struct image_cache
*c
= FRAME_X_IMAGE_CACHE (f
);
8081 for (i
= 0; i
< c
->used
; ++i
)
8090 /***********************************************************************
8092 ***********************************************************************/
8094 /* Macro for defining functions that will be loaded from image DLLs. */
8095 #define DEF_IMGLIB_FN(func) FARPROC fn_##func
8097 /* Macro for loading those image functions from the library. */
8098 #define LOAD_IMGLIB_FN(lib,func) { \
8099 fn_##func = (void *) GetProcAddress (lib, #func); \
8100 if (!fn_##func) return 0; \
8103 static int x_create_x_image_and_pixmap
P_ ((struct frame
*, int, int, int,
8104 XImage
**, Pixmap
*));
8105 static void x_put_x_image
P_ ((struct frame
*, XImage
*, Pixmap
, int, int));
8108 /* Create an XImage and a pixmap of size WIDTH x HEIGHT for use on
8109 frame F. Set *XIMG and *PIXMAP to the XImage and Pixmap created.
8110 Set (*XIMG)->data to a raster of WIDTH x HEIGHT pixels allocated
8111 via xmalloc. DEPTH of zero signifies a 24 bit image, otherwise
8112 DEPTH should indicate the bit depth of the image. Print error
8113 messages via image_error if an error occurs. Value is non-zero if
8117 x_create_x_image_and_pixmap (f
, width
, height
, depth
, ximg
, pixmap
)
8119 int width
, height
, depth
;
8123 BITMAPINFOHEADER
*header
;
8125 int scanline_width_bits
;
8127 int palette_colors
= 0;
8132 if (depth
!= 1 && depth
!= 4 && depth
!= 8
8133 && depth
!= 16 && depth
!= 24 && depth
!= 32)
8135 image_error ("Invalid image bit depth specified", Qnil
, Qnil
);
8139 scanline_width_bits
= width
* depth
;
8140 remainder
= scanline_width_bits
% 32;
8143 scanline_width_bits
+= 32 - remainder
;
8145 /* Bitmaps with a depth less than 16 need a palette. */
8146 /* BITMAPINFO structure already contains the first RGBQUAD. */
8148 palette_colors
= 1 << depth
- 1;
8150 *ximg
= xmalloc (sizeof (XImage
) + palette_colors
* sizeof (RGBQUAD
));
8153 image_error ("Unable to allocate memory for XImage", Qnil
, Qnil
);
8157 header
= &((*ximg
)->info
.bmiHeader
);
8158 bzero (&((*ximg
)->info
), sizeof (BITMAPINFO
));
8159 header
->biSize
= sizeof (*header
);
8160 header
->biWidth
= width
;
8161 header
->biHeight
= -height
; /* negative indicates a top-down bitmap. */
8162 header
->biPlanes
= 1;
8163 header
->biBitCount
= depth
;
8164 header
->biCompression
= BI_RGB
;
8165 header
->biClrUsed
= palette_colors
;
8167 /* TODO: fill in palette. */
8170 (*ximg
)->info
.bmiColors
[0].rgbBlue
= 0;
8171 (*ximg
)->info
.bmiColors
[0].rgbGreen
= 0;
8172 (*ximg
)->info
.bmiColors
[0].rgbRed
= 0;
8173 (*ximg
)->info
.bmiColors
[0].rgbReserved
= 0;
8174 (*ximg
)->info
.bmiColors
[1].rgbBlue
= 255;
8175 (*ximg
)->info
.bmiColors
[1].rgbGreen
= 255;
8176 (*ximg
)->info
.bmiColors
[1].rgbRed
= 255;
8177 (*ximg
)->info
.bmiColors
[1].rgbReserved
= 0;
8180 hdc
= get_frame_dc (f
);
8182 /* Create a DIBSection and raster array for the bitmap,
8183 and store its handle in *pixmap. */
8184 *pixmap
= CreateDIBSection (hdc
, &((*ximg
)->info
),
8185 (depth
< 16) ? DIB_PAL_COLORS
: DIB_RGB_COLORS
,
8186 &((*ximg
)->data
), NULL
, 0);
8188 /* Realize display palette and garbage all frames. */
8189 release_frame_dc (f
, hdc
);
8191 if (*pixmap
== NULL
)
8193 DWORD err
= GetLastError();
8194 Lisp_Object errcode
;
8195 /* All system errors are < 10000, so the following is safe. */
8196 XSETINT (errcode
, (int) err
);
8197 image_error ("Unable to create bitmap, error code %d", errcode
, Qnil
);
8198 x_destroy_x_image (*ximg
);
8206 /* Destroy XImage XIMG. Free XIMG->data. */
8209 x_destroy_x_image (ximg
)
8212 xassert (interrupt_input_blocked
);
8215 /* Data will be freed by DestroyObject. */
8222 /* Put XImage XIMG into pixmap PIXMAP on frame F. WIDTH and HEIGHT
8223 are width and height of both the image and pixmap. */
8226 x_put_x_image (f
, ximg
, pixmap
, width
, height
)
8232 #if 0 /* I don't think this is necessary looking at where it is used. */
8233 HDC hdc
= get_frame_dc (f
);
8234 SetDIBits (hdc
, pixmap
, 0, height
, ximg
->data
, &(ximg
->info
), DIB_RGB_COLORS
);
8235 release_frame_dc (f
, hdc
);
8240 /***********************************************************************
8242 ***********************************************************************/
8244 static Lisp_Object x_find_image_file
P_ ((Lisp_Object
));
8245 static char *slurp_file
P_ ((char *, int *));
8248 /* Find image file FILE. Look in data-directory, then
8249 x-bitmap-file-path. Value is the full name of the file found, or
8250 nil if not found. */
8253 x_find_image_file (file
)
8256 Lisp_Object file_found
, search_path
;
8257 struct gcpro gcpro1
, gcpro2
;
8261 search_path
= Fcons (Vdata_directory
, Vx_bitmap_file_path
);
8262 GCPRO2 (file_found
, search_path
);
8264 /* Try to find FILE in data-directory, then x-bitmap-file-path. */
8265 fd
= openp (search_path
, file
, Qnil
, &file_found
, Qnil
);
8277 /* Read FILE into memory. Value is a pointer to a buffer allocated
8278 with xmalloc holding FILE's contents. Value is null if an error
8279 occurred. *SIZE is set to the size of the file. */
8282 slurp_file (file
, size
)
8290 if (stat (file
, &st
) == 0
8291 && (fp
= fopen (file
, "rb")) != NULL
8292 && (buf
= (char *) xmalloc (st
.st_size
),
8293 fread (buf
, 1, st
.st_size
, fp
) == st
.st_size
))
8314 /***********************************************************************
8316 ***********************************************************************/
8318 static int xbm_scan
P_ ((char **, char *, char *, int *));
8319 static int xbm_load
P_ ((struct frame
*f
, struct image
*img
));
8320 static int xbm_load_image
P_ ((struct frame
*f
, struct image
*img
,
8322 static int xbm_image_p
P_ ((Lisp_Object object
));
8323 static int xbm_read_bitmap_data
P_ ((char *, char *, int *, int *,
8325 static int xbm_file_p
P_ ((Lisp_Object
));
8328 /* Indices of image specification fields in xbm_format, below. */
8330 enum xbm_keyword_index
8348 /* Vector of image_keyword structures describing the format
8349 of valid XBM image specifications. */
8351 static struct image_keyword xbm_format
[XBM_LAST
] =
8353 {":type", IMAGE_SYMBOL_VALUE
, 1},
8354 {":file", IMAGE_STRING_VALUE
, 0},
8355 {":width", IMAGE_POSITIVE_INTEGER_VALUE
, 0},
8356 {":height", IMAGE_POSITIVE_INTEGER_VALUE
, 0},
8357 {":data", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
8358 {":foreground", IMAGE_STRING_OR_NIL_VALUE
, 0},
8359 {":background", IMAGE_STRING_OR_NIL_VALUE
, 0},
8360 {":ascent", IMAGE_ASCENT_VALUE
, 0},
8361 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
, 0},
8362 {":relief", IMAGE_INTEGER_VALUE
, 0},
8363 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
8364 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
8365 {":mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0}
8368 /* Structure describing the image type XBM. */
8370 static struct image_type xbm_type
=
8379 /* Tokens returned from xbm_scan. */
8388 /* Return non-zero if OBJECT is a valid XBM-type image specification.
8389 A valid specification is a list starting with the symbol `image'
8390 The rest of the list is a property list which must contain an
8393 If the specification specifies a file to load, it must contain
8394 an entry `:file FILENAME' where FILENAME is a string.
8396 If the specification is for a bitmap loaded from memory it must
8397 contain `:width WIDTH', `:height HEIGHT', and `:data DATA', where
8398 WIDTH and HEIGHT are integers > 0. DATA may be:
8400 1. a string large enough to hold the bitmap data, i.e. it must
8401 have a size >= (WIDTH + 7) / 8 * HEIGHT
8403 2. a bool-vector of size >= WIDTH * HEIGHT
8405 3. a vector of strings or bool-vectors, one for each line of the
8408 4. A string containing an in-memory XBM file. WIDTH and HEIGHT
8409 may not be specified in this case because they are defined in the
8412 Both the file and data forms may contain the additional entries
8413 `:background COLOR' and `:foreground COLOR'. If not present,
8414 foreground and background of the frame on which the image is
8415 displayed is used. */
8418 xbm_image_p (object
)
8421 struct image_keyword kw
[XBM_LAST
];
8423 bcopy (xbm_format
, kw
, sizeof kw
);
8424 if (!parse_image_spec (object
, kw
, XBM_LAST
, Qxbm
))
8427 xassert (EQ (kw
[XBM_TYPE
].value
, Qxbm
));
8429 if (kw
[XBM_FILE
].count
)
8431 if (kw
[XBM_WIDTH
].count
|| kw
[XBM_HEIGHT
].count
|| kw
[XBM_DATA
].count
)
8434 else if (kw
[XBM_DATA
].count
&& xbm_file_p (kw
[XBM_DATA
].value
))
8436 /* In-memory XBM file. */
8437 if (kw
[XBM_WIDTH
].count
|| kw
[XBM_HEIGHT
].count
|| kw
[XBM_FILE
].count
)
8445 /* Entries for `:width', `:height' and `:data' must be present. */
8446 if (!kw
[XBM_WIDTH
].count
8447 || !kw
[XBM_HEIGHT
].count
8448 || !kw
[XBM_DATA
].count
)
8451 data
= kw
[XBM_DATA
].value
;
8452 width
= XFASTINT (kw
[XBM_WIDTH
].value
);
8453 height
= XFASTINT (kw
[XBM_HEIGHT
].value
);
8455 /* Check type of data, and width and height against contents of
8461 /* Number of elements of the vector must be >= height. */
8462 if (XVECTOR (data
)->size
< height
)
8465 /* Each string or bool-vector in data must be large enough
8466 for one line of the image. */
8467 for (i
= 0; i
< height
; ++i
)
8469 Lisp_Object elt
= XVECTOR (data
)->contents
[i
];
8474 < (width
+ BITS_PER_CHAR
- 1) / BITS_PER_CHAR
)
8477 else if (BOOL_VECTOR_P (elt
))
8479 if (XBOOL_VECTOR (elt
)->size
< width
)
8486 else if (STRINGP (data
))
8489 < (width
+ BITS_PER_CHAR
- 1) / BITS_PER_CHAR
* height
)
8492 else if (BOOL_VECTOR_P (data
))
8494 if (XBOOL_VECTOR (data
)->size
< width
* height
)
8505 /* Scan a bitmap file. FP is the stream to read from. Value is
8506 either an enumerator from enum xbm_token, or a character for a
8507 single-character token, or 0 at end of file. If scanning an
8508 identifier, store the lexeme of the identifier in SVAL. If
8509 scanning a number, store its value in *IVAL. */
8512 xbm_scan (s
, end
, sval
, ival
)
8521 /* Skip white space. */
8522 while (*s
< end
&& (c
= *(*s
)++, isspace (c
)))
8527 else if (isdigit (c
))
8529 int value
= 0, digit
;
8531 if (c
== '0' && *s
< end
)
8534 if (c
== 'x' || c
== 'X')
8541 else if (c
>= 'a' && c
<= 'f')
8542 digit
= c
- 'a' + 10;
8543 else if (c
>= 'A' && c
<= 'F')
8544 digit
= c
- 'A' + 10;
8547 value
= 16 * value
+ digit
;
8550 else if (isdigit (c
))
8554 && (c
= *(*s
)++, isdigit (c
)))
8555 value
= 8 * value
+ c
- '0';
8562 && (c
= *(*s
)++, isdigit (c
)))
8563 value
= 10 * value
+ c
- '0';
8571 else if (isalpha (c
) || c
== '_')
8575 && (c
= *(*s
)++, (isalnum (c
) || c
== '_')))
8582 else if (c
== '/' && **s
== '*')
8584 /* C-style comment. */
8586 while (**s
&& (**s
!= '*' || *(*s
+ 1) != '/'))
8599 /* XBM bits seem to be backward within bytes compared with how
8600 Windows does things. */
8601 static unsigned char reflect_byte (unsigned char orig
)
8604 unsigned char reflected
= 0x00;
8605 for (i
= 0; i
< 8; i
++)
8607 if (orig
& (0x01 << i
))
8608 reflected
|= 0x80 >> i
;
8614 /* Create a Windows bitmap from X bitmap data. */
8616 w32_create_pixmap_from_bitmap_data (int width
, int height
, char *data
)
8622 w1
= (width
+ 7) / 8; /* nb of 8bits elt in X bitmap */
8623 w2
= ((width
+ 15) / 16) * 2; /* nb of 16bits elt in W32 bitmap */
8624 bits
= (char *) alloca (height
* w2
);
8625 bzero (bits
, height
* w2
);
8626 for (i
= 0; i
< height
; i
++)
8629 for (j
= 0; j
< w1
; j
++)
8630 *p
++ = reflect_byte(*data
++);
8632 bmp
= CreateBitmap (width
, height
, 1, 1, bits
);
8638 /* Replacement for XReadBitmapFileData which isn't available under old
8639 X versions. CONTENTS is a pointer to a buffer to parse; END is the
8640 buffer's end. Set *WIDTH and *HEIGHT to the width and height of
8641 the image. Return in *DATA the bitmap data allocated with xmalloc.
8642 Value is non-zero if successful. DATA null means just test if
8643 CONTENTS looks like an in-memory XBM file. */
8646 xbm_read_bitmap_data (contents
, end
, width
, height
, data
)
8647 char *contents
, *end
;
8648 int *width
, *height
;
8649 unsigned char **data
;
8652 char buffer
[BUFSIZ
];
8655 int bytes_per_line
, i
, nbytes
;
8661 LA1 = xbm_scan (&s, end, buffer, &value)
8663 #define expect(TOKEN) \
8664 if (LA1 != (TOKEN)) \
8669 #define expect_ident(IDENT) \
8670 if (LA1 == XBM_TK_IDENT && strcmp (buffer, (IDENT)) == 0) \
8675 *width
= *height
= -1;
8678 LA1
= xbm_scan (&s
, end
, buffer
, &value
);
8680 /* Parse defines for width, height and hot-spots. */
8684 expect_ident ("define");
8685 expect (XBM_TK_IDENT
);
8687 if (LA1
== XBM_TK_NUMBER
);
8689 char *p
= strrchr (buffer
, '_');
8690 p
= p
? p
+ 1 : buffer
;
8691 if (strcmp (p
, "width") == 0)
8693 else if (strcmp (p
, "height") == 0)
8696 expect (XBM_TK_NUMBER
);
8699 if (*width
< 0 || *height
< 0)
8701 else if (data
== NULL
)
8704 /* Parse bits. Must start with `static'. */
8705 expect_ident ("static");
8706 if (LA1
== XBM_TK_IDENT
)
8708 if (strcmp (buffer
, "unsigned") == 0)
8711 expect_ident ("char");
8713 else if (strcmp (buffer
, "short") == 0)
8717 if (*width
% 16 && *width
% 16 < 9)
8720 else if (strcmp (buffer
, "char") == 0)
8728 expect (XBM_TK_IDENT
);
8734 bytes_per_line
= (*width
+ 7) / 8 + padding_p
;
8735 nbytes
= bytes_per_line
* *height
;
8736 p
= *data
= (char *) xmalloc (nbytes
);
8740 for (i
= 0; i
< nbytes
; i
+= 2)
8743 expect (XBM_TK_NUMBER
);
8746 if (!padding_p
|| ((i
+ 2) % bytes_per_line
))
8747 *p
++ = ~ (value
>> 8);
8749 if (LA1
== ',' || LA1
== '}')
8757 for (i
= 0; i
< nbytes
; ++i
)
8760 expect (XBM_TK_NUMBER
);
8764 if (LA1
== ',' || LA1
== '}')
8788 static void convert_mono_to_color_image (f
, img
, foreground
, background
)
8791 COLORREF foreground
, background
;
8793 HDC hdc
, old_img_dc
, new_img_dc
;
8794 HGDIOBJ old_prev
, new_prev
;
8797 hdc
= get_frame_dc (f
);
8798 old_img_dc
= CreateCompatibleDC (hdc
);
8799 new_img_dc
= CreateCompatibleDC (hdc
);
8800 new_pixmap
= CreateCompatibleBitmap (hdc
, img
->width
, img
->height
);
8801 release_frame_dc (f
, hdc
);
8802 old_prev
= SelectObject (old_img_dc
, img
->pixmap
);
8803 new_prev
= SelectObject (new_img_dc
, new_pixmap
);
8804 SetTextColor (new_img_dc
, foreground
);
8805 SetBkColor (new_img_dc
, background
);
8807 BitBlt (new_img_dc
, 0, 0, img
->width
, img
->height
, old_img_dc
,
8810 SelectObject (old_img_dc
, old_prev
);
8811 SelectObject (new_img_dc
, new_prev
);
8812 DeleteDC (old_img_dc
);
8813 DeleteDC (new_img_dc
);
8814 DeleteObject (img
->pixmap
);
8815 if (new_pixmap
== 0)
8816 fprintf (stderr
, "Failed to convert image to color.\n");
8818 img
->pixmap
= new_pixmap
;
8821 /* Load XBM image IMG which will be displayed on frame F from buffer
8822 CONTENTS. END is the end of the buffer. Value is non-zero if
8826 xbm_load_image (f
, img
, contents
, end
)
8829 char *contents
, *end
;
8832 unsigned char *data
;
8835 rc
= xbm_read_bitmap_data (contents
, end
, &img
->width
, &img
->height
, &data
);
8838 unsigned long foreground
= FRAME_FOREGROUND_PIXEL (f
);
8839 unsigned long background
= FRAME_BACKGROUND_PIXEL (f
);
8840 int non_default_colors
= 0;
8843 xassert (img
->width
> 0 && img
->height
> 0);
8845 /* Get foreground and background colors, maybe allocate colors. */
8846 value
= image_spec_value (img
->spec
, QCforeground
, NULL
);
8849 foreground
= x_alloc_image_color (f
, img
, value
, foreground
);
8850 non_default_colors
= 1;
8852 value
= image_spec_value (img
->spec
, QCbackground
, NULL
);
8855 background
= x_alloc_image_color (f
, img
, value
, background
);
8856 img
->background
= background
;
8857 img
->background_valid
= 1;
8858 non_default_colors
= 1;
8861 = w32_create_pixmap_from_bitmap_data (img
->width
, img
->height
, data
);
8863 /* If colors were specified, transfer the bitmap to a color one. */
8864 if (non_default_colors
)
8865 convert_mono_to_color_image (f
, img
, foreground
, background
);
8869 if (img
->pixmap
== 0)
8871 x_clear_image (f
, img
);
8872 image_error ("Unable to create X pixmap for `%s'", img
->spec
, Qnil
);
8878 image_error ("Error loading XBM image `%s'", img
->spec
, Qnil
);
8884 /* Value is non-zero if DATA looks like an in-memory XBM file. */
8891 return (STRINGP (data
)
8892 && xbm_read_bitmap_data (SDATA (data
),
8899 /* Fill image IMG which is used on frame F with pixmap data. Value is
8900 non-zero if successful. */
8908 Lisp_Object file_name
;
8910 xassert (xbm_image_p (img
->spec
));
8912 /* If IMG->spec specifies a file name, create a non-file spec from it. */
8913 file_name
= image_spec_value (img
->spec
, QCfile
, NULL
);
8914 if (STRINGP (file_name
))
8919 struct gcpro gcpro1
;
8921 file
= x_find_image_file (file_name
);
8923 if (!STRINGP (file
))
8925 image_error ("Cannot find image file `%s'", file_name
, Qnil
);
8930 contents
= slurp_file (SDATA (file
), &size
);
8931 if (contents
== NULL
)
8933 image_error ("Error loading XBM image `%s'", img
->spec
, Qnil
);
8938 success_p
= xbm_load_image (f
, img
, contents
, contents
+ size
);
8943 struct image_keyword fmt
[XBM_LAST
];
8945 unsigned long foreground
= FRAME_FOREGROUND_PIXEL (f
);
8946 unsigned long background
= FRAME_BACKGROUND_PIXEL (f
);
8947 int non_default_colors
= 0;
8950 int in_memory_file_p
= 0;
8952 /* See if data looks like an in-memory XBM file. */
8953 data
= image_spec_value (img
->spec
, QCdata
, NULL
);
8954 in_memory_file_p
= xbm_file_p (data
);
8956 /* Parse the image specification. */
8957 bcopy (xbm_format
, fmt
, sizeof fmt
);
8958 parsed_p
= parse_image_spec (img
->spec
, fmt
, XBM_LAST
, Qxbm
);
8961 /* Get specified width, and height. */
8962 if (!in_memory_file_p
)
8964 img
->width
= XFASTINT (fmt
[XBM_WIDTH
].value
);
8965 img
->height
= XFASTINT (fmt
[XBM_HEIGHT
].value
);
8966 xassert (img
->width
> 0 && img
->height
> 0);
8969 /* Get foreground and background colors, maybe allocate colors. */
8970 if (fmt
[XBM_FOREGROUND
].count
8971 && STRINGP (fmt
[XBM_FOREGROUND
].value
))
8973 foreground
= x_alloc_image_color (f
, img
, fmt
[XBM_FOREGROUND
].value
,
8975 non_default_colors
= 1;
8978 if (fmt
[XBM_BACKGROUND
].count
8979 && STRINGP (fmt
[XBM_BACKGROUND
].value
))
8981 background
= x_alloc_image_color (f
, img
, fmt
[XBM_BACKGROUND
].value
,
8983 non_default_colors
= 1;
8986 if (in_memory_file_p
)
8987 success_p
= xbm_load_image (f
, img
, SDATA (data
),
8996 int nbytes
= (img
->width
+ BITS_PER_CHAR
- 1) / BITS_PER_CHAR
;
8998 p
= bits
= (char *) alloca (nbytes
* img
->height
);
8999 for (i
= 0; i
< img
->height
; ++i
, p
+= nbytes
)
9001 Lisp_Object line
= XVECTOR (data
)->contents
[i
];
9003 bcopy (SDATA (line
), p
, nbytes
);
9005 bcopy (XBOOL_VECTOR (line
)->data
, p
, nbytes
);
9008 else if (STRINGP (data
))
9009 bits
= SDATA (data
);
9011 bits
= XBOOL_VECTOR (data
)->data
;
9013 /* Create the pixmap. */
9015 = w32_create_pixmap_from_bitmap_data (img
->width
, img
->height
,
9018 /* If colors were specified, transfer the bitmap to a color one. */
9019 if (non_default_colors
)
9020 convert_mono_to_color_image (f
, img
, foreground
, background
);
9026 image_error ("Unable to create pixmap for XBM image `%s'",
9028 x_clear_image (f
, img
);
9038 /***********************************************************************
9040 ***********************************************************************/
9044 static int xpm_image_p
P_ ((Lisp_Object object
));
9045 static int xpm_load
P_ ((struct frame
*f
, struct image
*img
));
9046 static int xpm_valid_color_symbols_p
P_ ((Lisp_Object
));
9048 /* Indicate to xpm.h that we don't have Xlib. */
9050 /* simx.h in xpm defines XColor and XImage differently than Emacs. */
9051 #define XColor xpm_XColor
9052 #define XImage xpm_XImage
9053 #define PIXEL_ALREADY_TYPEDEFED
9054 #include "X11/xpm.h"
9058 #undef PIXEL_ALREADY_TYPEDEFED
9060 /* The symbol `xpm' identifying XPM-format images. */
9064 /* Indices of image specification fields in xpm_format, below. */
9066 enum xpm_keyword_index
9082 /* Vector of image_keyword structures describing the format
9083 of valid XPM image specifications. */
9085 static struct image_keyword xpm_format
[XPM_LAST
] =
9087 {":type", IMAGE_SYMBOL_VALUE
, 1},
9088 {":file", IMAGE_STRING_VALUE
, 0},
9089 {":data", IMAGE_STRING_VALUE
, 0},
9090 {":ascent", IMAGE_ASCENT_VALUE
, 0},
9091 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
, 0},
9092 {":relief", IMAGE_INTEGER_VALUE
, 0},
9093 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
9094 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
9095 {":mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
9096 {":color-symbols", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
9097 {":background", IMAGE_STRING_OR_NIL_VALUE
, 0}
9100 /* Structure describing the image type XPM. */
9102 static struct image_type xpm_type
=
9112 /* XPM library details. */
9114 DEF_IMGLIB_FN (XpmFreeAttributes
);
9115 DEF_IMGLIB_FN (XpmCreateImageFromBuffer
);
9116 DEF_IMGLIB_FN (XpmReadFileToImage
);
9117 DEF_IMGLIB_FN (XImageFree
);
9121 init_xpm_functions (library
)
9124 LOAD_IMGLIB_FN (library
, XpmFreeAttributes
);
9125 LOAD_IMGLIB_FN (library
, XpmCreateImageFromBuffer
);
9126 LOAD_IMGLIB_FN (library
, XpmReadFileToImage
);
9127 LOAD_IMGLIB_FN (library
, XImageFree
);
9132 /* Value is non-zero if COLOR_SYMBOLS is a valid color symbols list
9133 for XPM images. Such a list must consist of conses whose car and
9137 xpm_valid_color_symbols_p (color_symbols
)
9138 Lisp_Object color_symbols
;
9140 while (CONSP (color_symbols
))
9142 Lisp_Object sym
= XCAR (color_symbols
);
9144 || !STRINGP (XCAR (sym
))
9145 || !STRINGP (XCDR (sym
)))
9147 color_symbols
= XCDR (color_symbols
);
9150 return NILP (color_symbols
);
9154 /* Value is non-zero if OBJECT is a valid XPM image specification. */
9157 xpm_image_p (object
)
9160 struct image_keyword fmt
[XPM_LAST
];
9161 bcopy (xpm_format
, fmt
, sizeof fmt
);
9162 return (parse_image_spec (object
, fmt
, XPM_LAST
, Qxpm
)
9163 /* Either `:file' or `:data' must be present. */
9164 && fmt
[XPM_FILE
].count
+ fmt
[XPM_DATA
].count
== 1
9165 /* Either no `:color-symbols' or it's a list of conses
9166 whose car and cdr are strings. */
9167 && (fmt
[XPM_COLOR_SYMBOLS
].count
== 0
9168 || xpm_valid_color_symbols_p (fmt
[XPM_COLOR_SYMBOLS
].value
)));
9172 /* Load image IMG which will be displayed on frame F. Value is
9173 non-zero if successful. */
9182 XpmAttributes attrs
;
9183 Lisp_Object specified_file
, color_symbols
;
9184 xpm_XImage
* xpm_image
, * xpm_mask
;
9186 /* Configure the XPM lib. Use the visual of frame F. Allocate
9187 close colors. Return colors allocated. */
9188 bzero (&attrs
, sizeof attrs
);
9189 xpm_image
= xpm_mask
= NULL
;
9192 attrs
.visual
= FRAME_X_VISUAL (f
);
9193 attrs
.colormap
= FRAME_X_COLORMAP (f
);
9194 attrs
.valuemask
|= XpmVisual
;
9195 attrs
.valuemask
|= XpmColormap
;
9197 attrs
.valuemask
|= XpmReturnAllocPixels
;
9198 #ifdef XpmAllocCloseColors
9199 attrs
.alloc_close_colors
= 1;
9200 attrs
.valuemask
|= XpmAllocCloseColors
;
9202 attrs
.closeness
= 600;
9203 attrs
.valuemask
|= XpmCloseness
;
9206 /* If image specification contains symbolic color definitions, add
9207 these to `attrs'. */
9208 color_symbols
= image_spec_value (img
->spec
, QCcolor_symbols
, NULL
);
9209 if (CONSP (color_symbols
))
9212 XpmColorSymbol
*xpm_syms
;
9215 attrs
.valuemask
|= XpmColorSymbols
;
9217 /* Count number of symbols. */
9218 attrs
.numsymbols
= 0;
9219 for (tail
= color_symbols
; CONSP (tail
); tail
= XCDR (tail
))
9222 /* Allocate an XpmColorSymbol array. */
9223 size
= attrs
.numsymbols
* sizeof *xpm_syms
;
9224 xpm_syms
= (XpmColorSymbol
*) alloca (size
);
9225 bzero (xpm_syms
, size
);
9226 attrs
.colorsymbols
= xpm_syms
;
9228 /* Fill the color symbol array. */
9229 for (tail
= color_symbols
, i
= 0;
9231 ++i
, tail
= XCDR (tail
))
9233 Lisp_Object name
= XCAR (XCAR (tail
));
9234 Lisp_Object color
= XCDR (XCAR (tail
));
9235 xpm_syms
[i
].name
= (char *) alloca (SCHARS (name
) + 1);
9236 strcpy (xpm_syms
[i
].name
, SDATA (name
));
9237 xpm_syms
[i
].value
= (char *) alloca (SCHARS (color
) + 1);
9238 strcpy (xpm_syms
[i
].value
, SDATA (color
));
9242 /* Create a pixmap for the image, either from a file, or from a
9243 string buffer containing data in the same format as an XPM file. */
9245 specified_file
= image_spec_value (img
->spec
, QCfile
, NULL
);
9248 HDC frame_dc
= get_frame_dc (f
);
9249 hdc
= CreateCompatibleDC (frame_dc
);
9250 release_frame_dc (f
, frame_dc
);
9253 if (STRINGP (specified_file
))
9255 Lisp_Object file
= x_find_image_file (specified_file
);
9256 if (!STRINGP (file
))
9258 image_error ("Cannot find image file `%s'", specified_file
, Qnil
);
9262 /* XpmReadFileToPixmap is not available in the Windows port of
9263 libxpm. But XpmReadFileToImage almost does what we want. */
9264 rc
= fn_XpmReadFileToImage (&hdc
, SDATA (file
),
9265 &xpm_image
, &xpm_mask
,
9270 Lisp_Object buffer
= image_spec_value (img
->spec
, QCdata
, NULL
);
9271 /* XpmCreatePixmapFromBuffer is not available in the Windows port
9272 of libxpm. But XpmCreateImageFromBuffer almost does what we want. */
9273 rc
= fn_XpmCreateImageFromBuffer (&hdc
, SDATA (buffer
),
9274 &xpm_image
, &xpm_mask
,
9278 if (rc
== XpmSuccess
)
9282 /* W32 XPM uses XImage to wrap what W32 Emacs calls a Pixmap,
9283 plus some duplicate attributes. */
9284 if (xpm_image
&& xpm_image
->bitmap
)
9286 img
->pixmap
= xpm_image
->bitmap
;
9287 /* XImageFree in libXpm frees XImage struct without destroying
9288 the bitmap, which is what we want. */
9289 fn_XImageFree (xpm_image
);
9291 if (xpm_mask
&& xpm_mask
->bitmap
)
9293 /* The mask appears to be inverted compared with what we expect.
9294 TODO: invert our expectations. See other places where we
9295 have to invert bits because our idea of masks is backwards. */
9297 old_obj
= SelectObject (hdc
, xpm_mask
->bitmap
);
9299 PatBlt (hdc
, 0, 0, xpm_mask
->width
, xpm_mask
->height
, DSTINVERT
);
9300 SelectObject (hdc
, old_obj
);
9302 img
->mask
= xpm_mask
->bitmap
;
9303 fn_XImageFree (xpm_mask
);
9309 /* Remember allocated colors. */
9310 img
->ncolors
= attrs
.nalloc_pixels
;
9311 img
->colors
= (unsigned long *) xmalloc (img
->ncolors
9312 * sizeof *img
->colors
);
9313 for (i
= 0; i
< attrs
.nalloc_pixels
; ++i
)
9314 img
->colors
[i
] = attrs
.alloc_pixels
[i
];
9316 img
->width
= attrs
.width
;
9317 img
->height
= attrs
.height
;
9318 xassert (img
->width
> 0 && img
->height
> 0);
9320 /* The call to XpmFreeAttributes below frees attrs.alloc_pixels. */
9321 fn_XpmFreeAttributes (&attrs
);
9330 image_error ("Error opening XPM file (%s)", img
->spec
, Qnil
);
9333 case XpmFileInvalid
:
9334 image_error ("Invalid XPM file (%s)", img
->spec
, Qnil
);
9338 image_error ("Out of memory (%s)", img
->spec
, Qnil
);
9341 case XpmColorFailed
:
9342 image_error ("Color allocation error (%s)", img
->spec
, Qnil
);
9346 image_error ("Unknown error (%s)", img
->spec
, Qnil
);
9351 return rc
== XpmSuccess
;
9354 #endif /* HAVE_XPM != 0 */
9357 #if 0 /* TODO : Color tables on W32. */
9358 /***********************************************************************
9360 ***********************************************************************/
9362 /* An entry in the color table mapping an RGB color to a pixel color. */
9367 unsigned long pixel
;
9369 /* Next in color table collision list. */
9370 struct ct_color
*next
;
9373 /* The bucket vector size to use. Must be prime. */
9377 /* Value is a hash of the RGB color given by R, G, and B. */
9379 #define CT_HASH_RGB(R, G, B) (((R) << 16) ^ ((G) << 8) ^ (B))
9381 /* The color hash table. */
9383 struct ct_color
**ct_table
;
9385 /* Number of entries in the color table. */
9387 int ct_colors_allocated
;
9389 /* Function prototypes. */
9391 static void init_color_table
P_ ((void));
9392 static void free_color_table
P_ ((void));
9393 static unsigned long *colors_in_color_table
P_ ((int *n
));
9394 static unsigned long lookup_rgb_color
P_ ((struct frame
*f
, int r
, int g
, int b
));
9395 static unsigned long lookup_pixel_color
P_ ((struct frame
*f
, unsigned long p
));
9398 /* Initialize the color table. */
9403 int size
= CT_SIZE
* sizeof (*ct_table
);
9404 ct_table
= (struct ct_color
**) xmalloc (size
);
9405 bzero (ct_table
, size
);
9406 ct_colors_allocated
= 0;
9410 /* Free memory associated with the color table. */
9416 struct ct_color
*p
, *next
;
9418 for (i
= 0; i
< CT_SIZE
; ++i
)
9419 for (p
= ct_table
[i
]; p
; p
= next
)
9430 /* Value is a pixel color for RGB color R, G, B on frame F. If an
9431 entry for that color already is in the color table, return the
9432 pixel color of that entry. Otherwise, allocate a new color for R,
9433 G, B, and make an entry in the color table. */
9435 static unsigned long
9436 lookup_rgb_color (f
, r
, g
, b
)
9440 unsigned hash
= CT_HASH_RGB (r
, g
, b
);
9441 int i
= hash
% CT_SIZE
;
9444 for (p
= ct_table
[i
]; p
; p
= p
->next
)
9445 if (p
->r
== r
&& p
->g
== g
&& p
->b
== b
)
9454 color
= PALETTERGB (r
, g
, b
);
9456 ++ct_colors_allocated
;
9458 p
= (struct ct_color
*) xmalloc (sizeof *p
);
9463 p
->next
= ct_table
[i
];
9471 /* Look up pixel color PIXEL which is used on frame F in the color
9472 table. If not already present, allocate it. Value is PIXEL. */
9474 static unsigned long
9475 lookup_pixel_color (f
, pixel
)
9477 unsigned long pixel
;
9479 int i
= pixel
% CT_SIZE
;
9482 for (p
= ct_table
[i
]; p
; p
= p
->next
)
9483 if (p
->pixel
== pixel
)
9494 cmap
= DefaultColormapOfScreen (FRAME_X_SCREEN (f
));
9495 color
.pixel
= pixel
;
9496 XQueryColor (NULL
, cmap
, &color
);
9497 rc
= x_alloc_nearest_color (f
, cmap
, &color
);
9502 ++ct_colors_allocated
;
9504 p
= (struct ct_color
*) xmalloc (sizeof *p
);
9509 p
->next
= ct_table
[i
];
9513 return FRAME_FOREGROUND_PIXEL (f
);
9519 /* Value is a vector of all pixel colors contained in the color table,
9520 allocated via xmalloc. Set *N to the number of colors. */
9522 static unsigned long *
9523 colors_in_color_table (n
)
9528 unsigned long *colors
;
9530 if (ct_colors_allocated
== 0)
9537 colors
= (unsigned long *) xmalloc (ct_colors_allocated
9539 *n
= ct_colors_allocated
;
9541 for (i
= j
= 0; i
< CT_SIZE
; ++i
)
9542 for (p
= ct_table
[i
]; p
; p
= p
->next
)
9543 colors
[j
++] = p
->pixel
;
9552 /***********************************************************************
9554 ***********************************************************************/
9555 static XColor
*x_to_xcolors
P_ ((struct frame
*, struct image
*, int));
9556 static void x_from_xcolors
P_ ((struct frame
*, struct image
*, XColor
*));
9557 static void x_detect_edges
P_ ((struct frame
*, struct image
*, int[9], int));
9558 static void XPutPixel (XImage
*, int, int, COLORREF
);
9560 /* Non-zero means draw a cross on images having `:conversion
9563 int cross_disabled_images
;
9565 /* Edge detection matrices for different edge-detection
9568 static int emboss_matrix
[9] = {
9570 2, -1, 0, /* y - 1 */
9572 0, 1, -2 /* y + 1 */
9575 static int laplace_matrix
[9] = {
9577 1, 0, 0, /* y - 1 */
9579 0, 0, -1 /* y + 1 */
9582 /* Value is the intensity of the color whose red/green/blue values
9585 #define COLOR_INTENSITY(R, G, B) ((2 * (R) + 3 * (G) + (B)) / 6)
9588 /* On frame F, return an array of XColor structures describing image
9589 IMG->pixmap. Each XColor structure has its pixel color set. RGB_P
9590 non-zero means also fill the red/green/blue members of the XColor
9591 structures. Value is a pointer to the array of XColors structures,
9592 allocated with xmalloc; it must be freed by the caller. */
9595 x_to_xcolors (f
, img
, rgb_p
)
9605 colors
= (XColor
*) xmalloc (img
->width
* img
->height
* sizeof *colors
);
9607 /* Load the image into a memory device context. */
9608 hdc
= get_frame_dc (f
);
9609 bmpdc
= CreateCompatibleDC (hdc
);
9610 release_frame_dc (f
, hdc
);
9611 prev
= SelectObject (bmpdc
, img
->pixmap
);
9613 /* Fill the `pixel' members of the XColor array. I wished there
9614 were an easy and portable way to circumvent XGetPixel. */
9616 for (y
= 0; y
< img
->height
; ++y
)
9620 for (x
= 0; x
< img
->width
; ++x
, ++p
)
9622 /* TODO: palette support needed here? */
9623 p
->pixel
= GetPixel (bmpdc
, x
, y
);
9627 p
->red
= 256 * GetRValue (p
->pixel
);
9628 p
->green
= 256 * GetGValue (p
->pixel
);
9629 p
->blue
= 256 * GetBValue (p
->pixel
);
9634 SelectObject (bmpdc
, prev
);
9640 /* Put a pixel of COLOR at position X, Y in XIMG. XIMG must have been
9641 created with CreateDIBSection, with the pointer to the bit values
9642 stored in ximg->data. */
9644 static void XPutPixel (ximg
, x
, y
, color
)
9649 int width
= ximg
->info
.bmiHeader
.biWidth
;
9650 int height
= ximg
->info
.bmiHeader
.biHeight
;
9651 unsigned char * pixel
;
9653 /* True color images. */
9654 if (ximg
->info
.bmiHeader
.biBitCount
== 24)
9656 int rowbytes
= width
* 3;
9657 /* Ensure scanlines are aligned on 4 byte boundaries. */
9659 rowbytes
+= 4 - (rowbytes
% 4);
9661 pixel
= ximg
->data
+ y
* rowbytes
+ x
* 3;
9662 /* Windows bitmaps are in BGR order. */
9663 *pixel
= GetBValue (color
);
9664 *(pixel
+ 1) = GetGValue (color
);
9665 *(pixel
+ 2) = GetRValue (color
);
9667 /* Monochrome images. */
9668 else if (ximg
->info
.bmiHeader
.biBitCount
== 1)
9670 int rowbytes
= width
/ 8;
9671 /* Ensure scanlines are aligned on 4 byte boundaries. */
9673 rowbytes
+= 4 - (rowbytes
% 4);
9674 pixel
= ximg
->data
+ y
* rowbytes
+ x
/ 8;
9675 /* Filter out palette info. */
9676 if (color
& 0x00ffffff)
9677 *pixel
= *pixel
| (1 << x
% 8);
9679 *pixel
= *pixel
& ~(1 << x
% 8);
9682 image_error ("XPutPixel: palette image not supported.", Qnil
, Qnil
);
9685 /* Create IMG->pixmap from an array COLORS of XColor structures, whose
9686 RGB members are set. F is the frame on which this all happens.
9687 COLORS will be freed; an existing IMG->pixmap will be freed, too. */
9690 x_from_xcolors (f
, img
, colors
)
9699 #if 0 /* TODO: color tables. */
9700 init_color_table ();
9702 x_create_x_image_and_pixmap (f
, img
->width
, img
->height
, 0,
9705 for (y
= 0; y
< img
->height
; ++y
)
9706 for (x
= 0; x
< img
->width
; ++x
, ++p
)
9708 unsigned long pixel
;
9709 #if 0 /* TODO: color tables. */
9710 pixel
= lookup_rgb_color (f
, p
->red
, p
->green
, p
->blue
);
9712 pixel
= PALETTERGB (p
->red
/ 256, p
->green
/ 256, p
->blue
/ 256);
9714 XPutPixel (oimg
, x
, y
, pixel
);
9718 x_clear_image_1 (f
, img
, 1, 0, 1);
9720 x_put_x_image (f
, oimg
, pixmap
, img
->width
, img
->height
);
9721 x_destroy_x_image (oimg
);
9722 img
->pixmap
= pixmap
;
9723 #if 0 /* TODO: color tables. */
9724 img
->colors
= colors_in_color_table (&img
->ncolors
);
9725 free_color_table ();
9730 /* On frame F, perform edge-detection on image IMG.
9732 MATRIX is a nine-element array specifying the transformation
9733 matrix. See emboss_matrix for an example.
9735 COLOR_ADJUST is a color adjustment added to each pixel of the
9739 x_detect_edges (f
, img
, matrix
, color_adjust
)
9742 int matrix
[9], color_adjust
;
9744 XColor
*colors
= x_to_xcolors (f
, img
, 1);
9748 for (i
= sum
= 0; i
< 9; ++i
)
9749 sum
+= abs (matrix
[i
]);
9751 #define COLOR(A, X, Y) ((A) + (Y) * img->width + (X))
9753 new = (XColor
*) xmalloc (img
->width
* img
->height
* sizeof *new);
9755 for (y
= 0; y
< img
->height
; ++y
)
9757 p
= COLOR (new, 0, y
);
9758 p
->red
= p
->green
= p
->blue
= 0xffff/2;
9759 p
= COLOR (new, img
->width
- 1, y
);
9760 p
->red
= p
->green
= p
->blue
= 0xffff/2;
9763 for (x
= 1; x
< img
->width
- 1; ++x
)
9765 p
= COLOR (new, x
, 0);
9766 p
->red
= p
->green
= p
->blue
= 0xffff/2;
9767 p
= COLOR (new, x
, img
->height
- 1);
9768 p
->red
= p
->green
= p
->blue
= 0xffff/2;
9771 for (y
= 1; y
< img
->height
- 1; ++y
)
9773 p
= COLOR (new, 1, y
);
9775 for (x
= 1; x
< img
->width
- 1; ++x
, ++p
)
9777 int r
, g
, b
, y1
, x1
;
9780 for (y1
= y
- 1; y1
< y
+ 2; ++y1
)
9781 for (x1
= x
- 1; x1
< x
+ 2; ++x1
, ++i
)
9784 XColor
*t
= COLOR (colors
, x1
, y1
);
9785 r
+= matrix
[i
] * t
->red
;
9786 g
+= matrix
[i
] * t
->green
;
9787 b
+= matrix
[i
] * t
->blue
;
9790 r
= (r
/ sum
+ color_adjust
) & 0xffff;
9791 g
= (g
/ sum
+ color_adjust
) & 0xffff;
9792 b
= (b
/ sum
+ color_adjust
) & 0xffff;
9793 p
->red
= p
->green
= p
->blue
= COLOR_INTENSITY (r
, g
, b
);
9798 x_from_xcolors (f
, img
, new);
9804 /* Perform the pre-defined `emboss' edge-detection on image IMG
9812 x_detect_edges (f
, img
, emboss_matrix
, 0xffff / 2);
9816 /* Transform image IMG which is used on frame F with a Laplace
9817 edge-detection algorithm. The result is an image that can be used
9818 to draw disabled buttons, for example. */
9825 x_detect_edges (f
, img
, laplace_matrix
, 45000);
9829 /* Perform edge-detection on image IMG on frame F, with specified
9830 transformation matrix MATRIX and color-adjustment COLOR_ADJUST.
9832 MATRIX must be either
9834 - a list of at least 9 numbers in row-major form
9835 - a vector of at least 9 numbers
9837 COLOR_ADJUST nil means use a default; otherwise it must be a
9841 x_edge_detection (f
, img
, matrix
, color_adjust
)
9844 Lisp_Object matrix
, color_adjust
;
9852 i
< 9 && CONSP (matrix
) && NUMBERP (XCAR (matrix
));
9853 ++i
, matrix
= XCDR (matrix
))
9854 trans
[i
] = XFLOATINT (XCAR (matrix
));
9856 else if (VECTORP (matrix
) && ASIZE (matrix
) >= 9)
9858 for (i
= 0; i
< 9 && NUMBERP (AREF (matrix
, i
)); ++i
)
9859 trans
[i
] = XFLOATINT (AREF (matrix
, i
));
9862 if (NILP (color_adjust
))
9863 color_adjust
= make_number (0xffff / 2);
9865 if (i
== 9 && NUMBERP (color_adjust
))
9866 x_detect_edges (f
, img
, trans
, (int) XFLOATINT (color_adjust
));
9870 /* Transform image IMG on frame F so that it looks disabled. */
9873 x_disable_image (f
, img
)
9877 struct w32_display_info
*dpyinfo
= FRAME_X_DISPLAY_INFO (f
);
9879 if (dpyinfo
->n_planes
* dpyinfo
->n_cbits
>= 2)
9881 /* Color (or grayscale). Convert to gray, and equalize. Just
9882 drawing such images with a stipple can look very odd, so
9883 we're using this method instead. */
9884 XColor
*colors
= x_to_xcolors (f
, img
, 1);
9886 const int h
= 15000;
9887 const int l
= 30000;
9889 for (p
= colors
, end
= colors
+ img
->width
* img
->height
;
9893 int i
= COLOR_INTENSITY (p
->red
, p
->green
, p
->blue
);
9894 int i2
= (0xffff - h
- l
) * i
/ 0xffff + l
;
9895 p
->red
= p
->green
= p
->blue
= i2
;
9898 x_from_xcolors (f
, img
, colors
);
9901 /* Draw a cross over the disabled image, if we must or if we
9903 if (dpyinfo
->n_planes
* dpyinfo
->n_cbits
< 2 || cross_disabled_images
)
9908 hdc
= get_frame_dc (f
);
9909 bmpdc
= CreateCompatibleDC (hdc
);
9910 release_frame_dc (f
, hdc
);
9912 prev
= SelectObject (bmpdc
, img
->pixmap
);
9914 SetTextColor (bmpdc
, BLACK_PIX_DEFAULT (f
));
9915 MoveToEx (bmpdc
, 0, 0, NULL
);
9916 LineTo (bmpdc
, img
->width
- 1, img
->height
- 1);
9917 MoveToEx (bmpdc
, 0, img
->height
- 1, NULL
);
9918 LineTo (bmpdc
, img
->width
- 1, 0);
9922 SelectObject (bmpdc
, img
->mask
);
9923 SetTextColor (bmpdc
, WHITE_PIX_DEFAULT (f
));
9924 MoveToEx (bmpdc
, 0, 0, NULL
);
9925 LineTo (bmpdc
, img
->width
- 1, img
->height
- 1);
9926 MoveToEx (bmpdc
, 0, img
->height
- 1, NULL
);
9927 LineTo (bmpdc
, img
->width
- 1, 0);
9929 SelectObject (bmpdc
, prev
);
9935 /* Build a mask for image IMG which is used on frame F. FILE is the
9936 name of an image file, for error messages. HOW determines how to
9937 determine the background color of IMG. If it is a list '(R G B)',
9938 with R, G, and B being integers >= 0, take that as the color of the
9939 background. Otherwise, determine the background color of IMG
9940 heuristically. Value is non-zero if successful. */
9943 x_build_heuristic_mask (f
, img
, how
)
9948 HDC img_dc
, frame_dc
;
9951 int x
, y
, rc
, use_img_background
;
9952 unsigned long bg
= 0;
9957 DeleteObject (img
->mask
);
9959 img
->background_transparent_valid
= 0;
9962 /* Create the bit array serving as mask. */
9963 row_width
= (img
->width
+ 7) / 8;
9964 mask_img
= xmalloc (row_width
* img
->height
);
9965 bzero (mask_img
, row_width
* img
->height
);
9967 /* Create a memory device context for IMG->pixmap. */
9968 frame_dc
= get_frame_dc (f
);
9969 img_dc
= CreateCompatibleDC (frame_dc
);
9970 release_frame_dc (f
, frame_dc
);
9971 prev
= SelectObject (img_dc
, img
->pixmap
);
9973 /* Determine the background color of img_dc. If HOW is `(R G B)'
9974 take that as color. Otherwise, use the image's background color. */
9975 use_img_background
= 1;
9981 for (i
= 0; i
< 3 && CONSP (how
) && NATNUMP (XCAR (how
)); ++i
)
9983 rgb
[i
] = XFASTINT (XCAR (how
)) & 0xffff;
9987 if (i
== 3 && NILP (how
))
9989 char color_name
[30];
9990 sprintf (color_name
, "#%04x%04x%04x", rgb
[0], rgb
[1], rgb
[2]);
9991 bg
= x_alloc_image_color (f
, img
, build_string (color_name
), 0)
9992 & 0x00ffffff; /* Filter out palette info. */
9993 use_img_background
= 0;
9997 if (use_img_background
)
9998 bg
= four_corners_best (img_dc
, img
->width
, img
->height
);
10000 /* Set all bits in mask_img to 1 whose color in ximg is different
10001 from the background color bg. */
10002 for (y
= 0; y
< img
->height
; ++y
)
10003 for (x
= 0; x
< img
->width
; ++x
)
10005 COLORREF p
= GetPixel (img_dc
, x
, y
);
10007 mask_img
[y
* row_width
+ x
/ 8] |= 1 << (x
% 8);
10010 /* Create the mask image. */
10011 img
->mask
= w32_create_pixmap_from_bitmap_data (img
->width
, img
->height
,
10014 /* Fill in the background_transparent field while we have the mask handy. */
10015 SelectObject (img_dc
, img
->mask
);
10017 image_background_transparent (img
, f
, img_dc
);
10019 /* Put mask_img into img->mask. */
10020 x_destroy_x_image ((XImage
*)mask_img
);
10021 SelectObject (img_dc
, prev
);
10028 /***********************************************************************
10029 PBM (mono, gray, color)
10030 ***********************************************************************/
10032 static int pbm_image_p
P_ ((Lisp_Object object
));
10033 static int pbm_load
P_ ((struct frame
*f
, struct image
*img
));
10034 static int pbm_scan_number
P_ ((unsigned char **, unsigned char *));
10036 /* The symbol `pbm' identifying images of this type. */
10040 /* Indices of image specification fields in gs_format, below. */
10042 enum pbm_keyword_index
10051 PBM_HEURISTIC_MASK
,
10058 /* Vector of image_keyword structures describing the format
10059 of valid user-defined image specifications. */
10061 static struct image_keyword pbm_format
[PBM_LAST
] =
10063 {":type", IMAGE_SYMBOL_VALUE
, 1},
10064 {":file", IMAGE_STRING_VALUE
, 0},
10065 {":data", IMAGE_STRING_VALUE
, 0},
10066 {":ascent", IMAGE_ASCENT_VALUE
, 0},
10067 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
, 0},
10068 {":relief", IMAGE_INTEGER_VALUE
, 0},
10069 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
10070 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
10071 {":mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
10072 {":foreground", IMAGE_STRING_OR_NIL_VALUE
, 0},
10073 {":background", IMAGE_STRING_OR_NIL_VALUE
, 0}
10076 /* Structure describing the image type `pbm'. */
10078 static struct image_type pbm_type
=
10088 /* Return non-zero if OBJECT is a valid PBM image specification. */
10091 pbm_image_p (object
)
10092 Lisp_Object object
;
10094 struct image_keyword fmt
[PBM_LAST
];
10096 bcopy (pbm_format
, fmt
, sizeof fmt
);
10098 if (!parse_image_spec (object
, fmt
, PBM_LAST
, Qpbm
))
10101 /* Must specify either :data or :file. */
10102 return fmt
[PBM_DATA
].count
+ fmt
[PBM_FILE
].count
== 1;
10106 /* Scan a decimal number from *S and return it. Advance *S while
10107 reading the number. END is the end of the string. Value is -1 at
10111 pbm_scan_number (s
, end
)
10112 unsigned char **s
, *end
;
10118 /* Skip white-space. */
10119 while (*s
< end
&& (c
= *(*s
)++, isspace (c
)))
10124 /* Skip comment to end of line. */
10125 while (*s
< end
&& (c
= *(*s
)++, c
!= '\n'))
10128 else if (isdigit (c
))
10130 /* Read decimal number. */
10132 while (*s
< end
&& (c
= *(*s
)++, isdigit (c
)))
10133 val
= 10 * val
+ c
- '0';
10144 /* Read FILE into memory. Value is a pointer to a buffer allocated
10145 with xmalloc holding FILE's contents. Value is null if an error
10146 occurred. *SIZE is set to the size of the file. */
10149 pbm_read_file (file
, size
)
10157 if (stat (SDATA (file
), &st
) == 0
10158 && (fp
= fopen (SDATA (file
), "rb")) != NULL
10159 && (buf
= (char *) xmalloc (st
.st_size
),
10160 fread (buf
, 1, st
.st_size
, fp
) == st
.st_size
))
10162 *size
= st
.st_size
;
10180 /* Load PBM image IMG for use on frame F. */
10188 int width
, height
, max_color_idx
= 0;
10190 Lisp_Object file
, specified_file
;
10191 enum {PBM_MONO
, PBM_GRAY
, PBM_COLOR
} type
;
10192 struct gcpro gcpro1
;
10193 unsigned char *contents
= NULL
;
10194 unsigned char *end
, *p
;
10197 specified_file
= image_spec_value (img
->spec
, QCfile
, NULL
);
10201 if (STRINGP (specified_file
))
10203 file
= x_find_image_file (specified_file
);
10204 if (!STRINGP (file
))
10206 image_error ("Cannot find image file `%s'", specified_file
, Qnil
);
10211 contents
= slurp_file (SDATA (file
), &size
);
10212 if (contents
== NULL
)
10214 image_error ("Error reading `%s'", file
, Qnil
);
10220 end
= contents
+ size
;
10225 data
= image_spec_value (img
->spec
, QCdata
, NULL
);
10227 end
= p
+ SBYTES (data
);
10230 /* Check magic number. */
10231 if (end
- p
< 2 || *p
++ != 'P')
10233 image_error ("Not a PBM image: `%s'", img
->spec
, Qnil
);
10243 raw_p
= 0, type
= PBM_MONO
;
10247 raw_p
= 0, type
= PBM_GRAY
;
10251 raw_p
= 0, type
= PBM_COLOR
;
10255 raw_p
= 1, type
= PBM_MONO
;
10259 raw_p
= 1, type
= PBM_GRAY
;
10263 raw_p
= 1, type
= PBM_COLOR
;
10267 image_error ("Not a PBM image: `%s'", img
->spec
, Qnil
);
10271 /* Read width, height, maximum color-component. Characters
10272 starting with `#' up to the end of a line are ignored. */
10273 width
= pbm_scan_number (&p
, end
);
10274 height
= pbm_scan_number (&p
, end
);
10276 if (type
!= PBM_MONO
)
10278 max_color_idx
= pbm_scan_number (&p
, end
);
10279 if (raw_p
&& max_color_idx
> 255)
10280 max_color_idx
= 255;
10285 || (type
!= PBM_MONO
&& max_color_idx
< 0))
10288 if (!x_create_x_image_and_pixmap (f
, width
, height
, 0, &ximg
, &img
->pixmap
))
10291 #if 0 /* TODO: color tables. */
10292 /* Initialize the color hash table. */
10293 init_color_table ();
10296 if (type
== PBM_MONO
)
10299 struct image_keyword fmt
[PBM_LAST
];
10300 unsigned long fg
= FRAME_FOREGROUND_PIXEL (f
);
10301 unsigned long bg
= FRAME_BACKGROUND_PIXEL (f
);
10303 /* Parse the image specification. */
10304 bcopy (pbm_format
, fmt
, sizeof fmt
);
10305 parse_image_spec (img
->spec
, fmt
, PBM_LAST
, Qpbm
);
10307 /* Get foreground and background colors, maybe allocate colors. */
10308 if (fmt
[PBM_FOREGROUND
].count
10309 && STRINGP (fmt
[PBM_FOREGROUND
].value
))
10310 fg
= x_alloc_image_color (f
, img
, fmt
[PBM_FOREGROUND
].value
, fg
);
10311 if (fmt
[PBM_BACKGROUND
].count
10312 && STRINGP (fmt
[PBM_BACKGROUND
].value
))
10314 bg
= x_alloc_image_color (f
, img
, fmt
[PBM_BACKGROUND
].value
, bg
);
10315 img
->background
= bg
;
10316 img
->background_valid
= 1;
10319 for (y
= 0; y
< height
; ++y
)
10320 for (x
= 0; x
< width
; ++x
)
10330 g
= pbm_scan_number (&p
, end
);
10332 XPutPixel (ximg
, x
, y
, g
? fg
: bg
);
10337 for (y
= 0; y
< height
; ++y
)
10338 for (x
= 0; x
< width
; ++x
)
10342 if (type
== PBM_GRAY
)
10343 r
= g
= b
= raw_p
? *p
++ : pbm_scan_number (&p
, end
);
10352 r
= pbm_scan_number (&p
, end
);
10353 g
= pbm_scan_number (&p
, end
);
10354 b
= pbm_scan_number (&p
, end
);
10357 if (r
< 0 || g
< 0 || b
< 0)
10359 x_destroy_x_image (ximg
);
10360 image_error ("Invalid pixel value in image `%s'",
10365 /* RGB values are now in the range 0..max_color_idx.
10366 Scale this to the range 0..0xff supported by W32. */
10367 r
= (int) ((double) r
* 255 / max_color_idx
);
10368 g
= (int) ((double) g
* 255 / max_color_idx
);
10369 b
= (int) ((double) b
* 255 / max_color_idx
);
10370 XPutPixel (ximg
, x
, y
,
10371 #if 0 /* TODO: color tables. */
10372 lookup_rgb_color (f
, r
, g
, b
));
10374 PALETTERGB (r
, g
, b
));
10379 #if 0 /* TODO: color tables. */
10380 /* Store in IMG->colors the colors allocated for the image, and
10381 free the color table. */
10382 img
->colors
= colors_in_color_table (&img
->ncolors
);
10383 free_color_table ();
10385 /* Maybe fill in the background field while we have ximg handy. */
10386 if (NILP (image_spec_value (img
->spec
, QCbackground
, NULL
)))
10387 IMAGE_BACKGROUND (img
, f
, ximg
);
10389 /* Put the image into a pixmap. */
10390 x_put_x_image (f
, ximg
, img
->pixmap
, width
, height
);
10391 x_destroy_x_image (ximg
);
10393 img
->width
= width
;
10394 img
->height
= height
;
10402 /***********************************************************************
10404 ***********************************************************************/
10410 /* Function prototypes. */
10412 static int png_image_p
P_ ((Lisp_Object object
));
10413 static int png_load
P_ ((struct frame
*f
, struct image
*img
));
10415 /* The symbol `png' identifying images of this type. */
10419 /* Indices of image specification fields in png_format, below. */
10421 enum png_keyword_index
10430 PNG_HEURISTIC_MASK
,
10436 /* Vector of image_keyword structures describing the format
10437 of valid user-defined image specifications. */
10439 static struct image_keyword png_format
[PNG_LAST
] =
10441 {":type", IMAGE_SYMBOL_VALUE
, 1},
10442 {":data", IMAGE_STRING_VALUE
, 0},
10443 {":file", IMAGE_STRING_VALUE
, 0},
10444 {":ascent", IMAGE_ASCENT_VALUE
, 0},
10445 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
, 0},
10446 {":relief", IMAGE_INTEGER_VALUE
, 0},
10447 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
10448 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
10449 {":mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
10450 {":background", IMAGE_STRING_OR_NIL_VALUE
, 0}
10453 /* Structure describing the image type `png'. */
10455 static struct image_type png_type
=
10464 /* PNG library details. */
10466 DEF_IMGLIB_FN (png_get_io_ptr
);
10467 DEF_IMGLIB_FN (png_check_sig
);
10468 DEF_IMGLIB_FN (png_create_read_struct
);
10469 DEF_IMGLIB_FN (png_create_info_struct
);
10470 DEF_IMGLIB_FN (png_destroy_read_struct
);
10471 DEF_IMGLIB_FN (png_set_read_fn
);
10472 DEF_IMGLIB_FN (png_init_io
);
10473 DEF_IMGLIB_FN (png_set_sig_bytes
);
10474 DEF_IMGLIB_FN (png_read_info
);
10475 DEF_IMGLIB_FN (png_get_IHDR
);
10476 DEF_IMGLIB_FN (png_get_valid
);
10477 DEF_IMGLIB_FN (png_set_strip_16
);
10478 DEF_IMGLIB_FN (png_set_expand
);
10479 DEF_IMGLIB_FN (png_set_gray_to_rgb
);
10480 DEF_IMGLIB_FN (png_set_background
);
10481 DEF_IMGLIB_FN (png_get_bKGD
);
10482 DEF_IMGLIB_FN (png_read_update_info
);
10483 DEF_IMGLIB_FN (png_get_channels
);
10484 DEF_IMGLIB_FN (png_get_rowbytes
);
10485 DEF_IMGLIB_FN (png_read_image
);
10486 DEF_IMGLIB_FN (png_read_end
);
10487 DEF_IMGLIB_FN (png_error
);
10490 init_png_functions (library
)
10493 LOAD_IMGLIB_FN (library
, png_get_io_ptr
);
10494 LOAD_IMGLIB_FN (library
, png_check_sig
);
10495 LOAD_IMGLIB_FN (library
, png_create_read_struct
);
10496 LOAD_IMGLIB_FN (library
, png_create_info_struct
);
10497 LOAD_IMGLIB_FN (library
, png_destroy_read_struct
);
10498 LOAD_IMGLIB_FN (library
, png_set_read_fn
);
10499 LOAD_IMGLIB_FN (library
, png_init_io
);
10500 LOAD_IMGLIB_FN (library
, png_set_sig_bytes
);
10501 LOAD_IMGLIB_FN (library
, png_read_info
);
10502 LOAD_IMGLIB_FN (library
, png_get_IHDR
);
10503 LOAD_IMGLIB_FN (library
, png_get_valid
);
10504 LOAD_IMGLIB_FN (library
, png_set_strip_16
);
10505 LOAD_IMGLIB_FN (library
, png_set_expand
);
10506 LOAD_IMGLIB_FN (library
, png_set_gray_to_rgb
);
10507 LOAD_IMGLIB_FN (library
, png_set_background
);
10508 LOAD_IMGLIB_FN (library
, png_get_bKGD
);
10509 LOAD_IMGLIB_FN (library
, png_read_update_info
);
10510 LOAD_IMGLIB_FN (library
, png_get_channels
);
10511 LOAD_IMGLIB_FN (library
, png_get_rowbytes
);
10512 LOAD_IMGLIB_FN (library
, png_read_image
);
10513 LOAD_IMGLIB_FN (library
, png_read_end
);
10514 LOAD_IMGLIB_FN (library
, png_error
);
10518 /* Return non-zero if OBJECT is a valid PNG image specification. */
10521 png_image_p (object
)
10522 Lisp_Object object
;
10524 struct image_keyword fmt
[PNG_LAST
];
10525 bcopy (png_format
, fmt
, sizeof fmt
);
10527 if (!parse_image_spec (object
, fmt
, PNG_LAST
, Qpng
))
10530 /* Must specify either the :data or :file keyword. */
10531 return fmt
[PNG_FILE
].count
+ fmt
[PNG_DATA
].count
== 1;
10535 /* Error and warning handlers installed when the PNG library
10539 my_png_error (png_ptr
, msg
)
10540 png_struct
*png_ptr
;
10543 xassert (png_ptr
!= NULL
);
10544 image_error ("PNG error: %s", build_string (msg
), Qnil
);
10545 longjmp (png_ptr
->jmpbuf
, 1);
10550 my_png_warning (png_ptr
, msg
)
10551 png_struct
*png_ptr
;
10554 xassert (png_ptr
!= NULL
);
10555 image_error ("PNG warning: %s", build_string (msg
), Qnil
);
10558 /* Memory source for PNG decoding. */
10560 struct png_memory_storage
10562 unsigned char *bytes
; /* The data */
10563 size_t len
; /* How big is it? */
10564 int index
; /* Where are we? */
10568 /* Function set as reader function when reading PNG image from memory.
10569 PNG_PTR is a pointer to the PNG control structure. Copy LENGTH
10570 bytes from the input to DATA. */
10573 png_read_from_memory (png_ptr
, data
, length
)
10574 png_structp png_ptr
;
10578 struct png_memory_storage
*tbr
10579 = (struct png_memory_storage
*) fn_png_get_io_ptr (png_ptr
);
10581 if (length
> tbr
->len
- tbr
->index
)
10582 fn_png_error (png_ptr
, "Read error");
10584 bcopy (tbr
->bytes
+ tbr
->index
, data
, length
);
10585 tbr
->index
= tbr
->index
+ length
;
10588 /* Load PNG image IMG for use on frame F. Value is non-zero if
10596 Lisp_Object file
, specified_file
;
10597 Lisp_Object specified_data
;
10599 XImage
*ximg
, *mask_img
= NULL
;
10600 struct gcpro gcpro1
;
10601 png_struct
*png_ptr
= NULL
;
10602 png_info
*info_ptr
= NULL
, *end_info
= NULL
;
10603 FILE *volatile fp
= NULL
;
10605 png_byte
* volatile pixels
= NULL
;
10606 png_byte
** volatile rows
= NULL
;
10607 png_uint_32 width
, height
;
10608 int bit_depth
, color_type
, interlace_type
;
10610 png_uint_32 row_bytes
;
10612 double screen_gamma
, image_gamma
;
10614 struct png_memory_storage tbr
; /* Data to be read */
10616 /* Find out what file to load. */
10617 specified_file
= image_spec_value (img
->spec
, QCfile
, NULL
);
10618 specified_data
= image_spec_value (img
->spec
, QCdata
, NULL
);
10622 if (NILP (specified_data
))
10624 file
= x_find_image_file (specified_file
);
10625 if (!STRINGP (file
))
10627 image_error ("Cannot find image file `%s'", specified_file
, Qnil
);
10632 /* Open the image file. */
10633 fp
= fopen (SDATA (file
), "rb");
10636 image_error ("Cannot open image file `%s'", file
, Qnil
);
10642 /* Check PNG signature. */
10643 if (fread (sig
, 1, sizeof sig
, fp
) != sizeof sig
10644 || !fn_png_check_sig (sig
, sizeof sig
))
10646 image_error ("Not a PNG file: `%s'", file
, Qnil
);
10654 /* Read from memory. */
10655 tbr
.bytes
= SDATA (specified_data
);
10656 tbr
.len
= SBYTES (specified_data
);
10659 /* Check PNG signature. */
10660 if (tbr
.len
< sizeof sig
10661 || !fn_png_check_sig (tbr
.bytes
, sizeof sig
))
10663 image_error ("Not a PNG image: `%s'", img
->spec
, Qnil
);
10668 /* Need to skip past the signature. */
10669 tbr
.bytes
+= sizeof (sig
);
10672 /* Initialize read and info structs for PNG lib. */
10673 png_ptr
= fn_png_create_read_struct (PNG_LIBPNG_VER_STRING
, NULL
,
10674 my_png_error
, my_png_warning
);
10677 if (fp
) fclose (fp
);
10682 info_ptr
= fn_png_create_info_struct (png_ptr
);
10685 fn_png_destroy_read_struct (&png_ptr
, NULL
, NULL
);
10686 if (fp
) fclose (fp
);
10691 end_info
= fn_png_create_info_struct (png_ptr
);
10694 fn_png_destroy_read_struct (&png_ptr
, &info_ptr
, NULL
);
10695 if (fp
) fclose (fp
);
10700 /* Set error jump-back. We come back here when the PNG library
10701 detects an error. */
10702 if (setjmp (png_ptr
->jmpbuf
))
10706 fn_png_destroy_read_struct (&png_ptr
, &info_ptr
, &end_info
);
10709 if (fp
) fclose (fp
);
10714 /* Read image info. */
10715 if (!NILP (specified_data
))
10716 fn_png_set_read_fn (png_ptr
, (void *) &tbr
, png_read_from_memory
);
10718 fn_png_init_io (png_ptr
, fp
);
10720 fn_png_set_sig_bytes (png_ptr
, sizeof sig
);
10721 fn_png_read_info (png_ptr
, info_ptr
);
10722 fn_png_get_IHDR (png_ptr
, info_ptr
, &width
, &height
, &bit_depth
, &color_type
,
10723 &interlace_type
, NULL
, NULL
);
10725 /* If image contains simply transparency data, we prefer to
10726 construct a clipping mask. */
10727 if (fn_png_get_valid (png_ptr
, info_ptr
, PNG_INFO_tRNS
))
10732 /* This function is easier to write if we only have to handle
10733 one data format: RGB or RGBA with 8 bits per channel. Let's
10734 transform other formats into that format. */
10736 /* Strip more than 8 bits per channel. */
10737 if (bit_depth
== 16)
10738 fn_png_set_strip_16 (png_ptr
);
10740 /* Expand data to 24 bit RGB, or 8 bit grayscale, with alpha channel
10742 fn_png_set_expand (png_ptr
);
10744 /* Convert grayscale images to RGB. */
10745 if (color_type
== PNG_COLOR_TYPE_GRAY
10746 || color_type
== PNG_COLOR_TYPE_GRAY_ALPHA
)
10747 fn_png_set_gray_to_rgb (png_ptr
);
10749 screen_gamma
= (f
->gamma
? 1 / f
->gamma
/ 0.45455 : 2.2);
10751 #if 0 /* Avoid double gamma correction for PNG images. */
10752 /* Tell the PNG lib to handle gamma correction for us. */
10753 #if defined(PNG_READ_sRGB_SUPPORTED) || defined(PNG_WRITE_sRGB_SUPPORTED)
10754 if (png_get_sRGB (png_ptr
, info_ptr
, &intent
))
10755 /* The libpng documentation says this is right in this case. */
10756 png_set_gamma (png_ptr
, screen_gamma
, 0.45455);
10759 if (png_get_gAMA (png_ptr
, info_ptr
, &image_gamma
))
10760 /* Image contains gamma information. */
10761 png_set_gamma (png_ptr
, screen_gamma
, image_gamma
);
10763 /* Use the standard default for the image gamma. */
10764 png_set_gamma (png_ptr
, screen_gamma
, 0.45455);
10767 /* Handle alpha channel by combining the image with a background
10768 color. Do this only if a real alpha channel is supplied. For
10769 simple transparency, we prefer a clipping mask. */
10770 if (!transparent_p
)
10772 png_color_16
*image_bg
;
10773 Lisp_Object specified_bg
10774 = image_spec_value (img
->spec
, QCbackground
, NULL
);
10776 if (STRINGP (specified_bg
))
10777 /* The user specified `:background', use that. */
10780 if (w32_defined_color (f
, SDATA (specified_bg
), &color
, 0))
10782 png_color_16 user_bg
;
10784 bzero (&user_bg
, sizeof user_bg
);
10785 user_bg
.red
= 256 * GetRValue (color
);
10786 user_bg
.green
= 256 * GetGValue (color
);
10787 user_bg
.blue
= 256 * GetBValue (color
);
10789 fn_png_set_background (png_ptr
, &user_bg
,
10790 PNG_BACKGROUND_GAMMA_SCREEN
, 0, 1.0);
10793 else if (fn_png_get_bKGD (png_ptr
, info_ptr
, &image_bg
))
10794 /* Image contains a background color with which to
10795 combine the image. */
10796 fn_png_set_background (png_ptr
, image_bg
,
10797 PNG_BACKGROUND_GAMMA_FILE
, 1, 1.0);
10800 /* Image does not contain a background color with which
10801 to combine the image data via an alpha channel. Use
10802 the frame's background instead. */
10804 png_color_16 frame_background
;
10805 color
= FRAME_BACKGROUND_PIXEL (f
);
10806 #if 0 /* TODO : Colormap support. */
10809 cmap
= FRAME_X_COLORMAP (f
);
10810 x_query_color (f
, &color
);
10813 bzero (&frame_background
, sizeof frame_background
);
10814 frame_background
.red
= 256 * GetRValue (color
);
10815 frame_background
.green
= 256 * GetGValue (color
);
10816 frame_background
.blue
= 256 * GetBValue (color
);
10818 fn_png_set_background (png_ptr
, &frame_background
,
10819 PNG_BACKGROUND_GAMMA_SCREEN
, 0, 1.0);
10823 /* Update info structure. */
10824 fn_png_read_update_info (png_ptr
, info_ptr
);
10826 /* Get number of channels. Valid values are 1 for grayscale images
10827 and images with a palette, 2 for grayscale images with transparency
10828 information (alpha channel), 3 for RGB images, and 4 for RGB
10829 images with alpha channel, i.e. RGBA. If conversions above were
10830 sufficient we should only have 3 or 4 channels here. */
10831 channels
= fn_png_get_channels (png_ptr
, info_ptr
);
10832 xassert (channels
== 3 || channels
== 4);
10834 /* Number of bytes needed for one row of the image. */
10835 row_bytes
= fn_png_get_rowbytes (png_ptr
, info_ptr
);
10837 /* Allocate memory for the image. */
10838 pixels
= (png_byte
*) xmalloc (row_bytes
* height
* sizeof *pixels
);
10839 rows
= (png_byte
**) xmalloc (height
* sizeof *rows
);
10840 for (i
= 0; i
< height
; ++i
)
10841 rows
[i
] = pixels
+ i
* row_bytes
;
10843 /* Read the entire image. */
10844 fn_png_read_image (png_ptr
, rows
);
10845 fn_png_read_end (png_ptr
, info_ptr
);
10852 /* Create the X image and pixmap. */
10853 if (!x_create_x_image_and_pixmap (f
, width
, height
, 0, &ximg
,
10857 /* Create an image and pixmap serving as mask if the PNG image
10858 contains an alpha channel. */
10861 && !x_create_x_image_and_pixmap (f
, width
, height
, 1,
10862 &mask_img
, &img
->mask
))
10864 x_destroy_x_image (ximg
);
10865 DeleteObject (img
->pixmap
);
10869 /* Fill the X image and mask from PNG data. */
10870 #if 0 /* TODO: Color tables. */
10871 init_color_table ();
10874 for (y
= 0; y
< height
; ++y
)
10876 png_byte
*p
= rows
[y
];
10878 for (x
= 0; x
< width
; ++x
)
10885 #if 0 /* TODO: Color tables. */
10886 XPutPixel (ximg
, x
, y
, lookup_rgb_color (f
, r
, g
, b
));
10888 XPutPixel (ximg
, x
, y
, PALETTERGB (r
, g
, b
));
10890 /* An alpha channel, aka mask channel, associates variable
10891 transparency with an image. Where other image formats
10892 support binary transparency---fully transparent or fully
10893 opaque---PNG allows up to 254 levels of partial transparency.
10894 The PNG library implements partial transparency by combining
10895 the image with a specified background color.
10897 I'm not sure how to handle this here nicely: because the
10898 background on which the image is displayed may change, for
10899 real alpha channel support, it would be necessary to create
10900 a new image for each possible background.
10902 What I'm doing now is that a mask is created if we have
10903 boolean transparency information. Otherwise I'm using
10904 the frame's background color to combine the image with. */
10909 XPutPixel (mask_img
, x
, y
, *p
> 0);
10915 if (NILP (image_spec_value (img
->spec
, QCbackground
, NULL
)))
10916 /* Set IMG's background color from the PNG image, unless the user
10920 if (fn_png_get_bKGD (png_ptr
, info_ptr
, &bg
))
10922 #if 0 /* TODO: Color tables. */
10923 img
->background
= lookup_rgb_color (f
, bg
->red
, bg
->green
, bg
->blue
);
10925 img
->background
= PALETTERGB (bg
->red
/ 256, bg
->green
/ 256,
10928 img
->background_valid
= 1;
10932 #if 0 /* TODO: Color tables. */
10933 /* Remember colors allocated for this image. */
10934 img
->colors
= colors_in_color_table (&img
->ncolors
);
10935 free_color_table ();
10939 fn_png_destroy_read_struct (&png_ptr
, &info_ptr
, &end_info
);
10943 img
->width
= width
;
10944 img
->height
= height
;
10946 /* Maybe fill in the background field while we have ximg handy. */
10947 IMAGE_BACKGROUND (img
, f
, ximg
);
10949 /* Put the image into the pixmap, then free the X image and its buffer. */
10950 x_put_x_image (f
, ximg
, img
->pixmap
, width
, height
);
10951 x_destroy_x_image (ximg
);
10953 /* Same for the mask. */
10956 /* Fill in the background_transparent field while we have the mask
10958 image_background_transparent (img
, f
, mask_img
);
10960 x_put_x_image (f
, mask_img
, img
->mask
, img
->width
, img
->height
);
10961 x_destroy_x_image (mask_img
);
10968 #endif /* HAVE_PNG != 0 */
10972 /***********************************************************************
10974 ***********************************************************************/
10978 /* Work around a warning about HAVE_STDLIB_H being redefined in
10980 #ifdef HAVE_STDLIB_H
10981 #define HAVE_STDLIB_H_1
10982 #undef HAVE_STDLIB_H
10983 #endif /* HAVE_STLIB_H */
10985 #include <jpeglib.h>
10986 #include <jerror.h>
10987 #include <setjmp.h>
10989 #ifdef HAVE_STLIB_H_1
10990 #define HAVE_STDLIB_H 1
10993 static int jpeg_image_p
P_ ((Lisp_Object object
));
10994 static int jpeg_load
P_ ((struct frame
*f
, struct image
*img
));
10996 /* The symbol `jpeg' identifying images of this type. */
11000 /* Indices of image specification fields in gs_format, below. */
11002 enum jpeg_keyword_index
11011 JPEG_HEURISTIC_MASK
,
11017 /* Vector of image_keyword structures describing the format
11018 of valid user-defined image specifications. */
11020 static struct image_keyword jpeg_format
[JPEG_LAST
] =
11022 {":type", IMAGE_SYMBOL_VALUE
, 1},
11023 {":data", IMAGE_STRING_VALUE
, 0},
11024 {":file", IMAGE_STRING_VALUE
, 0},
11025 {":ascent", IMAGE_ASCENT_VALUE
, 0},
11026 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
, 0},
11027 {":relief", IMAGE_INTEGER_VALUE
, 0},
11028 {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11029 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11030 {":mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11031 {":background", IMAGE_STRING_OR_NIL_VALUE
, 0}
11034 /* Structure describing the image type `jpeg'. */
11036 static struct image_type jpeg_type
=
11046 /* JPEG library details. */
11047 DEF_IMGLIB_FN (jpeg_CreateDecompress
);
11048 DEF_IMGLIB_FN (jpeg_start_decompress
);
11049 DEF_IMGLIB_FN (jpeg_finish_decompress
);
11050 DEF_IMGLIB_FN (jpeg_destroy_decompress
);
11051 DEF_IMGLIB_FN (jpeg_read_header
);
11052 DEF_IMGLIB_FN (jpeg_read_scanlines
);
11053 DEF_IMGLIB_FN (jpeg_stdio_src
);
11054 DEF_IMGLIB_FN (jpeg_std_error
);
11055 DEF_IMGLIB_FN (jpeg_resync_to_restart
);
11058 init_jpeg_functions (library
)
11061 LOAD_IMGLIB_FN (library
, jpeg_finish_decompress
);
11062 LOAD_IMGLIB_FN (library
, jpeg_read_scanlines
);
11063 LOAD_IMGLIB_FN (library
, jpeg_start_decompress
);
11064 LOAD_IMGLIB_FN (library
, jpeg_read_header
);
11065 LOAD_IMGLIB_FN (library
, jpeg_stdio_src
);
11066 LOAD_IMGLIB_FN (library
, jpeg_CreateDecompress
);
11067 LOAD_IMGLIB_FN (library
, jpeg_destroy_decompress
);
11068 LOAD_IMGLIB_FN (library
, jpeg_std_error
);
11069 LOAD_IMGLIB_FN (library
, jpeg_resync_to_restart
);
11073 /* Wrapper since we can't directly assign the function pointer
11074 to another function pointer that was declared more completely easily. */
11076 jpeg_resync_to_restart_wrapper(cinfo
, desired
)
11077 j_decompress_ptr cinfo
;
11080 return fn_jpeg_resync_to_restart (cinfo
, desired
);
11084 /* Return non-zero if OBJECT is a valid JPEG image specification. */
11087 jpeg_image_p (object
)
11088 Lisp_Object object
;
11090 struct image_keyword fmt
[JPEG_LAST
];
11092 bcopy (jpeg_format
, fmt
, sizeof fmt
);
11094 if (!parse_image_spec (object
, fmt
, JPEG_LAST
, Qjpeg
))
11097 /* Must specify either the :data or :file keyword. */
11098 return fmt
[JPEG_FILE
].count
+ fmt
[JPEG_DATA
].count
== 1;
11102 struct my_jpeg_error_mgr
11104 struct jpeg_error_mgr pub
;
11105 jmp_buf setjmp_buffer
;
11110 my_error_exit (cinfo
)
11111 j_common_ptr cinfo
;
11113 struct my_jpeg_error_mgr
*mgr
= (struct my_jpeg_error_mgr
*) cinfo
->err
;
11114 longjmp (mgr
->setjmp_buffer
, 1);
11118 /* Init source method for JPEG data source manager. Called by
11119 jpeg_read_header() before any data is actually read. See
11120 libjpeg.doc from the JPEG lib distribution. */
11123 our_init_source (cinfo
)
11124 j_decompress_ptr cinfo
;
11129 /* Fill input buffer method for JPEG data source manager. Called
11130 whenever more data is needed. We read the whole image in one step,
11131 so this only adds a fake end of input marker at the end. */
11134 our_fill_input_buffer (cinfo
)
11135 j_decompress_ptr cinfo
;
11137 /* Insert a fake EOI marker. */
11138 struct jpeg_source_mgr
*src
= cinfo
->src
;
11139 static JOCTET buffer
[2];
11141 buffer
[0] = (JOCTET
) 0xFF;
11142 buffer
[1] = (JOCTET
) JPEG_EOI
;
11144 src
->next_input_byte
= buffer
;
11145 src
->bytes_in_buffer
= 2;
11150 /* Method to skip over NUM_BYTES bytes in the image data. CINFO->src
11151 is the JPEG data source manager. */
11154 our_skip_input_data (cinfo
, num_bytes
)
11155 j_decompress_ptr cinfo
;
11158 struct jpeg_source_mgr
*src
= (struct jpeg_source_mgr
*) cinfo
->src
;
11162 if (num_bytes
> src
->bytes_in_buffer
)
11163 ERREXIT (cinfo
, JERR_INPUT_EOF
);
11165 src
->bytes_in_buffer
-= num_bytes
;
11166 src
->next_input_byte
+= num_bytes
;
11171 /* Method to terminate data source. Called by
11172 jpeg_finish_decompress() after all data has been processed. */
11175 our_term_source (cinfo
)
11176 j_decompress_ptr cinfo
;
11181 /* Set up the JPEG lib for reading an image from DATA which contains
11182 LEN bytes. CINFO is the decompression info structure created for
11183 reading the image. */
11186 jpeg_memory_src (cinfo
, data
, len
)
11187 j_decompress_ptr cinfo
;
11191 struct jpeg_source_mgr
*src
;
11193 if (cinfo
->src
== NULL
)
11195 /* First time for this JPEG object? */
11196 cinfo
->src
= (struct jpeg_source_mgr
*)
11197 (*cinfo
->mem
->alloc_small
) ((j_common_ptr
) cinfo
, JPOOL_PERMANENT
,
11198 sizeof (struct jpeg_source_mgr
));
11199 src
= (struct jpeg_source_mgr
*) cinfo
->src
;
11200 src
->next_input_byte
= data
;
11203 src
= (struct jpeg_source_mgr
*) cinfo
->src
;
11204 src
->init_source
= our_init_source
;
11205 src
->fill_input_buffer
= our_fill_input_buffer
;
11206 src
->skip_input_data
= our_skip_input_data
;
11207 src
->resync_to_restart
= jpeg_resync_to_restart_wrapper
; /* Use default method. */
11208 src
->term_source
= our_term_source
;
11209 src
->bytes_in_buffer
= len
;
11210 src
->next_input_byte
= data
;
11214 /* Load image IMG for use on frame F. Patterned after example.c
11215 from the JPEG lib. */
11222 struct jpeg_decompress_struct cinfo
;
11223 struct my_jpeg_error_mgr mgr
;
11224 Lisp_Object file
, specified_file
;
11225 Lisp_Object specified_data
;
11226 FILE * volatile fp
= NULL
;
11228 int row_stride
, x
, y
;
11229 XImage
*ximg
= NULL
;
11231 unsigned long *colors
;
11233 struct gcpro gcpro1
;
11235 /* Open the JPEG file. */
11236 specified_file
= image_spec_value (img
->spec
, QCfile
, NULL
);
11237 specified_data
= image_spec_value (img
->spec
, QCdata
, NULL
);
11241 if (NILP (specified_data
))
11243 file
= x_find_image_file (specified_file
);
11244 if (!STRINGP (file
))
11246 image_error ("Cannot find image file `%s'", specified_file
, Qnil
);
11251 fp
= fopen (SDATA (file
), "rb");
11254 image_error ("Cannot open `%s'", file
, Qnil
);
11260 /* Customize libjpeg's error handling to call my_error_exit when an
11261 error is detected. This function will perform a longjmp. */
11262 cinfo
.err
= fn_jpeg_std_error (&mgr
.pub
);
11263 mgr
.pub
.error_exit
= my_error_exit
;
11265 if ((rc
= setjmp (mgr
.setjmp_buffer
)) != 0)
11269 /* Called from my_error_exit. Display a JPEG error. */
11270 char buffer
[JMSG_LENGTH_MAX
];
11271 cinfo
.err
->format_message ((j_common_ptr
) &cinfo
, buffer
);
11272 image_error ("Error reading JPEG image `%s': %s", img
->spec
,
11273 build_string (buffer
));
11276 /* Close the input file and destroy the JPEG object. */
11278 fclose ((FILE *) fp
);
11279 fn_jpeg_destroy_decompress (&cinfo
);
11281 /* If we already have an XImage, free that. */
11282 x_destroy_x_image (ximg
);
11284 /* Free pixmap and colors. */
11285 x_clear_image (f
, img
);
11291 /* Create the JPEG decompression object. Let it read from fp.
11292 Read the JPEG image header. */
11293 fn_jpeg_CreateDecompress (&cinfo
, JPEG_LIB_VERSION
, sizeof (cinfo
));
11295 if (NILP (specified_data
))
11296 fn_jpeg_stdio_src (&cinfo
, (FILE *) fp
);
11298 jpeg_memory_src (&cinfo
, SDATA (specified_data
),
11299 SBYTES (specified_data
));
11301 fn_jpeg_read_header (&cinfo
, TRUE
);
11303 /* Customize decompression so that color quantization will be used.
11304 Start decompression. */
11305 cinfo
.quantize_colors
= TRUE
;
11306 fn_jpeg_start_decompress (&cinfo
);
11307 width
= img
->width
= cinfo
.output_width
;
11308 height
= img
->height
= cinfo
.output_height
;
11310 /* Create X image and pixmap. */
11311 if (!x_create_x_image_and_pixmap (f
, width
, height
, 0, &ximg
, &img
->pixmap
))
11312 longjmp (mgr
.setjmp_buffer
, 2);
11314 /* Allocate colors. When color quantization is used,
11315 cinfo.actual_number_of_colors has been set with the number of
11316 colors generated, and cinfo.colormap is a two-dimensional array
11317 of color indices in the range 0..cinfo.actual_number_of_colors.
11318 No more than 255 colors will be generated. */
11322 if (cinfo
.out_color_components
> 2)
11323 ir
= 0, ig
= 1, ib
= 2;
11324 else if (cinfo
.out_color_components
> 1)
11325 ir
= 0, ig
= 1, ib
= 0;
11327 ir
= 0, ig
= 0, ib
= 0;
11329 #if 0 /* TODO: Color tables. */
11330 /* Use the color table mechanism because it handles colors that
11331 cannot be allocated nicely. Such colors will be replaced with
11332 a default color, and we don't have to care about which colors
11333 can be freed safely, and which can't. */
11334 init_color_table ();
11336 colors
= (unsigned long *) alloca (cinfo
.actual_number_of_colors
11339 for (i
= 0; i
< cinfo
.actual_number_of_colors
; ++i
)
11341 int r
= cinfo
.colormap
[ir
][i
];
11342 int g
= cinfo
.colormap
[ig
][i
];
11343 int b
= cinfo
.colormap
[ib
][i
];
11344 #if 0 /* TODO: Color tables. */
11345 colors
[i
] = lookup_rgb_color (f
, r
, g
, b
);
11347 colors
[i
] = PALETTERGB (r
, g
, b
);
11351 #if 0 /* TODO: Color tables. */
11352 /* Remember those colors actually allocated. */
11353 img
->colors
= colors_in_color_table (&img
->ncolors
);
11354 free_color_table ();
11359 row_stride
= width
* cinfo
.output_components
;
11360 buffer
= cinfo
.mem
->alloc_sarray ((j_common_ptr
) &cinfo
, JPOOL_IMAGE
,
11362 for (y
= 0; y
< height
; ++y
)
11364 fn_jpeg_read_scanlines (&cinfo
, buffer
, 1);
11365 for (x
= 0; x
< cinfo
.output_width
; ++x
)
11366 XPutPixel (ximg
, x
, y
, colors
[buffer
[0][x
]]);
11370 fn_jpeg_finish_decompress (&cinfo
);
11371 fn_jpeg_destroy_decompress (&cinfo
);
11373 fclose ((FILE *) fp
);
11375 /* Maybe fill in the background field while we have ximg handy. */
11376 if (NILP (image_spec_value (img
->spec
, QCbackground
, NULL
)))
11377 IMAGE_BACKGROUND (img
, f
, ximg
);
11379 /* Put the image into the pixmap. */
11380 x_put_x_image (f
, ximg
, img
->pixmap
, width
, height
);
11381 x_destroy_x_image (ximg
);
11386 #endif /* HAVE_JPEG */
11390 /***********************************************************************
11392 ***********************************************************************/
11396 #include <tiffio.h>
11398 static int tiff_image_p
P_ ((Lisp_Object object
));
11399 static int tiff_load
P_ ((struct frame
*f
, struct image
*img
));
11401 /* The symbol `tiff' identifying images of this type. */
11405 /* Indices of image specification fields in tiff_format, below. */
11407 enum tiff_keyword_index
11416 TIFF_HEURISTIC_MASK
,
11422 /* Vector of image_keyword structures describing the format
11423 of valid user-defined image specifications. */
11425 static struct image_keyword tiff_format
[TIFF_LAST
] =
11427 {":type", IMAGE_SYMBOL_VALUE
, 1},
11428 {":data", IMAGE_STRING_VALUE
, 0},
11429 {":file", IMAGE_STRING_VALUE
, 0},
11430 {":ascent", IMAGE_ASCENT_VALUE
, 0},
11431 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
, 0},
11432 {":relief", IMAGE_INTEGER_VALUE
, 0},
11433 {":conversions", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11434 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11435 {":mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11436 {":background", IMAGE_STRING_OR_NIL_VALUE
, 0}
11439 /* Structure describing the image type `tiff'. */
11441 static struct image_type tiff_type
=
11450 /* TIFF library details. */
11451 DEF_IMGLIB_FN (TIFFSetErrorHandler
);
11452 DEF_IMGLIB_FN (TIFFSetWarningHandler
);
11453 DEF_IMGLIB_FN (TIFFOpen
);
11454 DEF_IMGLIB_FN (TIFFClientOpen
);
11455 DEF_IMGLIB_FN (TIFFGetField
);
11456 DEF_IMGLIB_FN (TIFFReadRGBAImage
);
11457 DEF_IMGLIB_FN (TIFFClose
);
11460 init_tiff_functions (library
)
11463 LOAD_IMGLIB_FN (library
, TIFFSetErrorHandler
);
11464 LOAD_IMGLIB_FN (library
, TIFFSetWarningHandler
);
11465 LOAD_IMGLIB_FN (library
, TIFFOpen
);
11466 LOAD_IMGLIB_FN (library
, TIFFClientOpen
);
11467 LOAD_IMGLIB_FN (library
, TIFFGetField
);
11468 LOAD_IMGLIB_FN (library
, TIFFReadRGBAImage
);
11469 LOAD_IMGLIB_FN (library
, TIFFClose
);
11473 /* Return non-zero if OBJECT is a valid TIFF image specification. */
11476 tiff_image_p (object
)
11477 Lisp_Object object
;
11479 struct image_keyword fmt
[TIFF_LAST
];
11480 bcopy (tiff_format
, fmt
, sizeof fmt
);
11482 if (!parse_image_spec (object
, fmt
, TIFF_LAST
, Qtiff
))
11485 /* Must specify either the :data or :file keyword. */
11486 return fmt
[TIFF_FILE
].count
+ fmt
[TIFF_DATA
].count
== 1;
11490 /* Reading from a memory buffer for TIFF images Based on the PNG
11491 memory source, but we have to provide a lot of extra functions.
11494 We really only need to implement read and seek, but I am not
11495 convinced that the TIFF library is smart enough not to destroy
11496 itself if we only hand it the function pointers we need to
11501 unsigned char *bytes
;
11505 tiff_memory_source
;
11508 tiff_read_from_memory (data
, buf
, size
)
11513 tiff_memory_source
*src
= (tiff_memory_source
*) data
;
11515 if (size
> src
->len
- src
->index
)
11516 return (size_t) -1;
11517 bcopy (src
->bytes
+ src
->index
, buf
, size
);
11518 src
->index
+= size
;
11523 tiff_write_from_memory (data
, buf
, size
)
11528 return (size_t) -1;
11532 tiff_seek_in_memory (data
, off
, whence
)
11537 tiff_memory_source
*src
= (tiff_memory_source
*) data
;
11542 case SEEK_SET
: /* Go from beginning of source. */
11546 case SEEK_END
: /* Go from end of source. */
11547 idx
= src
->len
+ off
;
11550 case SEEK_CUR
: /* Go from current position. */
11551 idx
= src
->index
+ off
;
11554 default: /* Invalid `whence'. */
11558 if (idx
> src
->len
|| idx
< 0)
11566 tiff_close_memory (data
)
11574 tiff_mmap_memory (data
, pbase
, psize
)
11579 /* It is already _IN_ memory. */
11584 tiff_unmap_memory (data
, base
, size
)
11589 /* We don't need to do this. */
11593 tiff_size_of_memory (data
)
11596 return ((tiff_memory_source
*) data
)->len
;
11601 tiff_error_handler (title
, format
, ap
)
11602 const char *title
, *format
;
11608 len
= sprintf (buf
, "TIFF error: %s ", title
);
11609 vsprintf (buf
+ len
, format
, ap
);
11610 add_to_log (buf
, Qnil
, Qnil
);
11615 tiff_warning_handler (title
, format
, ap
)
11616 const char *title
, *format
;
11622 len
= sprintf (buf
, "TIFF warning: %s ", title
);
11623 vsprintf (buf
+ len
, format
, ap
);
11624 add_to_log (buf
, Qnil
, Qnil
);
11628 /* Load TIFF image IMG for use on frame F. Value is non-zero if
11636 Lisp_Object file
, specified_file
;
11637 Lisp_Object specified_data
;
11639 int width
, height
, x
, y
;
11643 struct gcpro gcpro1
;
11644 tiff_memory_source memsrc
;
11646 specified_file
= image_spec_value (img
->spec
, QCfile
, NULL
);
11647 specified_data
= image_spec_value (img
->spec
, QCdata
, NULL
);
11651 fn_TIFFSetErrorHandler (tiff_error_handler
);
11652 fn_TIFFSetWarningHandler (tiff_warning_handler
);
11654 if (NILP (specified_data
))
11656 /* Read from a file */
11657 file
= x_find_image_file (specified_file
);
11658 if (!STRINGP (file
))
11660 image_error ("Cannot find image file `%s'", file
, Qnil
);
11665 /* Try to open the image file. */
11666 tiff
= fn_TIFFOpen (SDATA (file
), "r");
11669 image_error ("Cannot open `%s'", file
, Qnil
);
11676 /* Memory source! */
11677 memsrc
.bytes
= SDATA (specified_data
);
11678 memsrc
.len
= SBYTES (specified_data
);
11681 tiff
= fn_TIFFClientOpen ("memory_source", "r", &memsrc
,
11682 (TIFFReadWriteProc
) tiff_read_from_memory
,
11683 (TIFFReadWriteProc
) tiff_write_from_memory
,
11684 tiff_seek_in_memory
,
11686 tiff_size_of_memory
,
11688 tiff_unmap_memory
);
11692 image_error ("Cannot open memory source for `%s'", img
->spec
, Qnil
);
11698 /* Get width and height of the image, and allocate a raster buffer
11699 of width x height 32-bit values. */
11700 fn_TIFFGetField (tiff
, TIFFTAG_IMAGEWIDTH
, &width
);
11701 fn_TIFFGetField (tiff
, TIFFTAG_IMAGELENGTH
, &height
);
11702 buf
= (uint32
*) xmalloc (width
* height
* sizeof *buf
);
11704 rc
= fn_TIFFReadRGBAImage (tiff
, width
, height
, buf
, 0);
11705 fn_TIFFClose (tiff
);
11708 image_error ("Error reading TIFF image `%s'", img
->spec
, Qnil
);
11714 /* Create the X image and pixmap. */
11715 if (!x_create_x_image_and_pixmap (f
, width
, height
, 0, &ximg
, &img
->pixmap
))
11722 #if 0 /* TODO: Color tables. */
11723 /* Initialize the color table. */
11724 init_color_table ();
11727 /* Process the pixel raster. Origin is in the lower-left corner. */
11728 for (y
= 0; y
< height
; ++y
)
11730 uint32
*row
= buf
+ y
* width
;
11732 for (x
= 0; x
< width
; ++x
)
11734 uint32 abgr
= row
[x
];
11735 int r
= TIFFGetR (abgr
);
11736 int g
= TIFFGetG (abgr
);
11737 int b
= TIFFGetB (abgr
);
11738 #if 0 /* TODO: Color tables. */
11739 XPutPixel (ximg
, x
, height
- 1 - y
, lookup_rgb_color (f
, r
, g
, b
));
11741 XPutPixel (ximg
, x
, height
- 1 - y
, PALETTERGB (r
, g
, b
));
11746 #if 0 /* TODO: Color tables. */
11747 /* Remember the colors allocated for the image. Free the color table. */
11748 img
->colors
= colors_in_color_table (&img
->ncolors
);
11749 free_color_table ();
11752 img
->width
= width
;
11753 img
->height
= height
;
11755 /* Maybe fill in the background field while we have ximg handy. */
11756 if (NILP (image_spec_value (img
->spec
, QCbackground
, NULL
)))
11757 IMAGE_BACKGROUND (img
, f
, ximg
);
11759 /* Put the image into the pixmap, then free the X image and its buffer. */
11760 x_put_x_image (f
, ximg
, img
->pixmap
, width
, height
);
11761 x_destroy_x_image (ximg
);
11768 #endif /* HAVE_TIFF != 0 */
11772 /***********************************************************************
11774 ***********************************************************************/
11778 #define DrawText gif_DrawText
11779 #include <gif_lib.h>
11782 static int gif_image_p
P_ ((Lisp_Object object
));
11783 static int gif_load
P_ ((struct frame
*f
, struct image
*img
));
11785 /* The symbol `gif' identifying images of this type. */
11789 /* Indices of image specification fields in gif_format, below. */
11791 enum gif_keyword_index
11800 GIF_HEURISTIC_MASK
,
11807 /* Vector of image_keyword structures describing the format
11808 of valid user-defined image specifications. */
11810 static struct image_keyword gif_format
[GIF_LAST
] =
11812 {":type", IMAGE_SYMBOL_VALUE
, 1},
11813 {":data", IMAGE_STRING_VALUE
, 0},
11814 {":file", IMAGE_STRING_VALUE
, 0},
11815 {":ascent", IMAGE_ASCENT_VALUE
, 0},
11816 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
, 0},
11817 {":relief", IMAGE_INTEGER_VALUE
, 0},
11818 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11819 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11820 {":mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
11821 {":image", IMAGE_NON_NEGATIVE_INTEGER_VALUE
, 0},
11822 {":background", IMAGE_STRING_OR_NIL_VALUE
, 0}
11825 /* Structure describing the image type `gif'. */
11827 static struct image_type gif_type
=
11837 /* GIF library details. */
11838 DEF_IMGLIB_FN (DGifCloseFile
);
11839 DEF_IMGLIB_FN (DGifSlurp
);
11840 DEF_IMGLIB_FN (DGifOpen
);
11841 DEF_IMGLIB_FN (DGifOpenFileName
);
11844 init_gif_functions (library
)
11847 LOAD_IMGLIB_FN (library
, DGifCloseFile
);
11848 LOAD_IMGLIB_FN (library
, DGifSlurp
);
11849 LOAD_IMGLIB_FN (library
, DGifOpen
);
11850 LOAD_IMGLIB_FN (library
, DGifOpenFileName
);
11855 /* Return non-zero if OBJECT is a valid GIF image specification. */
11858 gif_image_p (object
)
11859 Lisp_Object object
;
11861 struct image_keyword fmt
[GIF_LAST
];
11862 bcopy (gif_format
, fmt
, sizeof fmt
);
11864 if (!parse_image_spec (object
, fmt
, GIF_LAST
, Qgif
))
11867 /* Must specify either the :data or :file keyword. */
11868 return fmt
[GIF_FILE
].count
+ fmt
[GIF_DATA
].count
== 1;
11871 /* Reading a GIF image from memory
11872 Based on the PNG memory stuff to a certain extent. */
11876 unsigned char *bytes
;
11882 /* Make the current memory source available to gif_read_from_memory.
11883 It's done this way because not all versions of libungif support
11884 a UserData field in the GifFileType structure. */
11885 static gif_memory_source
*current_gif_memory_src
;
11888 gif_read_from_memory (file
, buf
, len
)
11893 gif_memory_source
*src
= current_gif_memory_src
;
11895 if (len
> src
->len
- src
->index
)
11898 bcopy (src
->bytes
+ src
->index
, buf
, len
);
11904 /* Load GIF image IMG for use on frame F. Value is non-zero if
11912 Lisp_Object file
, specified_file
;
11913 Lisp_Object specified_data
;
11914 int rc
, width
, height
, x
, y
, i
;
11916 ColorMapObject
*gif_color_map
;
11917 unsigned long pixel_colors
[256];
11919 struct gcpro gcpro1
;
11921 int ino
, image_left
, image_top
, image_width
, image_height
;
11922 gif_memory_source memsrc
;
11923 unsigned char *raster
;
11925 specified_file
= image_spec_value (img
->spec
, QCfile
, NULL
);
11926 specified_data
= image_spec_value (img
->spec
, QCdata
, NULL
);
11930 if (NILP (specified_data
))
11932 file
= x_find_image_file (specified_file
);
11933 if (!STRINGP (file
))
11935 image_error ("Cannot find image file `%s'", specified_file
, Qnil
);
11940 /* Open the GIF file. */
11941 gif
= fn_DGifOpenFileName (SDATA (file
));
11944 image_error ("Cannot open `%s'", file
, Qnil
);
11951 /* Read from memory! */
11952 current_gif_memory_src
= &memsrc
;
11953 memsrc
.bytes
= SDATA (specified_data
);
11954 memsrc
.len
= SBYTES (specified_data
);
11957 gif
= fn_DGifOpen(&memsrc
, gif_read_from_memory
);
11960 image_error ("Cannot open memory source `%s'", img
->spec
, Qnil
);
11966 /* Read entire contents. */
11967 rc
= fn_DGifSlurp (gif
);
11968 if (rc
== GIF_ERROR
)
11970 image_error ("Error reading `%s'", img
->spec
, Qnil
);
11971 fn_DGifCloseFile (gif
);
11976 image
= image_spec_value (img
->spec
, QCindex
, NULL
);
11977 ino
= INTEGERP (image
) ? XFASTINT (image
) : 0;
11978 if (ino
>= gif
->ImageCount
)
11980 image_error ("Invalid image number `%s' in image `%s'",
11982 fn_DGifCloseFile (gif
);
11987 width
= img
->width
= max (gif
->SWidth
, gif
->Image
.Left
+ gif
->Image
.Width
);
11988 height
= img
->height
= max (gif
->SHeight
, gif
->Image
.Top
+ gif
->Image
.Height
);
11990 /* Create the X image and pixmap. */
11991 if (!x_create_x_image_and_pixmap (f
, width
, height
, 0, &ximg
, &img
->pixmap
))
11993 fn_DGifCloseFile (gif
);
11998 /* Allocate colors. */
11999 gif_color_map
= gif
->SavedImages
[ino
].ImageDesc
.ColorMap
;
12000 if (!gif_color_map
)
12001 gif_color_map
= gif
->SColorMap
;
12002 #if 0 /* TODO: Color tables */
12003 init_color_table ();
12005 bzero (pixel_colors
, sizeof pixel_colors
);
12007 for (i
= 0; i
< gif_color_map
->ColorCount
; ++i
)
12009 int r
= gif_color_map
->Colors
[i
].Red
;
12010 int g
= gif_color_map
->Colors
[i
].Green
;
12011 int b
= gif_color_map
->Colors
[i
].Blue
;
12012 #if 0 /* TODO: Color tables */
12013 pixel_colors
[i
] = lookup_rgb_color (f
, r
, g
, b
);
12015 pixel_colors
[i
] = PALETTERGB (r
, g
, b
);
12019 #if 0 /* TODO: Color tables */
12020 img
->colors
= colors_in_color_table (&img
->ncolors
);
12021 free_color_table ();
12024 /* Clear the part of the screen image that are not covered by
12025 the image from the GIF file. Full animated GIF support
12026 requires more than can be done here (see the gif89 spec,
12027 disposal methods). Let's simply assume that the part
12028 not covered by a sub-image is in the frame's background color. */
12029 image_top
= gif
->SavedImages
[ino
].ImageDesc
.Top
;
12030 image_left
= gif
->SavedImages
[ino
].ImageDesc
.Left
;
12031 image_width
= gif
->SavedImages
[ino
].ImageDesc
.Width
;
12032 image_height
= gif
->SavedImages
[ino
].ImageDesc
.Height
;
12034 for (y
= 0; y
< image_top
; ++y
)
12035 for (x
= 0; x
< width
; ++x
)
12036 XPutPixel (ximg
, x
, y
, FRAME_BACKGROUND_PIXEL (f
));
12038 for (y
= image_top
+ image_height
; y
< height
; ++y
)
12039 for (x
= 0; x
< width
; ++x
)
12040 XPutPixel (ximg
, x
, y
, FRAME_BACKGROUND_PIXEL (f
));
12042 for (y
= image_top
; y
< image_top
+ image_height
; ++y
)
12044 for (x
= 0; x
< image_left
; ++x
)
12045 XPutPixel (ximg
, x
, y
, FRAME_BACKGROUND_PIXEL (f
));
12046 for (x
= image_left
+ image_width
; x
< width
; ++x
)
12047 XPutPixel (ximg
, x
, y
, FRAME_BACKGROUND_PIXEL (f
));
12050 /* Read the GIF image into the X image. We use a local variable
12051 `raster' here because RasterBits below is a char *, and invites
12052 problems with bytes >= 0x80. */
12053 raster
= (unsigned char *) gif
->SavedImages
[ino
].RasterBits
;
12055 if (gif
->SavedImages
[ino
].ImageDesc
.Interlace
)
12057 static int interlace_start
[] = {0, 4, 2, 1};
12058 static int interlace_increment
[] = {8, 8, 4, 2};
12060 int row
= interlace_start
[0];
12064 for (y
= 0; y
< image_height
; y
++)
12066 if (row
>= image_height
)
12068 row
= interlace_start
[++pass
];
12069 while (row
>= image_height
)
12070 row
= interlace_start
[++pass
];
12073 for (x
= 0; x
< image_width
; x
++)
12075 int i
= raster
[(y
* image_width
) + x
];
12076 XPutPixel (ximg
, x
+ image_left
, row
+ image_top
,
12080 row
+= interlace_increment
[pass
];
12085 for (y
= 0; y
< image_height
; ++y
)
12086 for (x
= 0; x
< image_width
; ++x
)
12088 int i
= raster
[y
* image_width
+ x
];
12089 XPutPixel (ximg
, x
+ image_left
, y
+ image_top
, pixel_colors
[i
]);
12093 fn_DGifCloseFile (gif
);
12095 /* Maybe fill in the background field while we have ximg handy. */
12096 if (NILP (image_spec_value (img
->spec
, QCbackground
, NULL
)))
12097 IMAGE_BACKGROUND (img
, f
, ximg
);
12099 /* Put the image into the pixmap, then free the X image and its buffer. */
12100 x_put_x_image (f
, ximg
, img
->pixmap
, width
, height
);
12101 x_destroy_x_image (ximg
);
12107 #endif /* HAVE_GIF != 0 */
12111 /***********************************************************************
12113 ***********************************************************************/
12115 Lisp_Object Qpostscript
;
12117 /* Keyword symbols. */
12119 Lisp_Object QCloader
, QCbounding_box
, QCpt_width
, QCpt_height
;
12121 #ifdef HAVE_GHOSTSCRIPT
12122 static int gs_image_p
P_ ((Lisp_Object object
));
12123 static int gs_load
P_ ((struct frame
*f
, struct image
*img
));
12124 static void gs_clear_image
P_ ((struct frame
*f
, struct image
*img
));
12126 /* The symbol `postscript' identifying images of this type. */
12128 /* Keyword symbols. */
12130 Lisp_Object QCloader
, QCbounding_box
, QCpt_width
, QCpt_height
;
12132 /* Indices of image specification fields in gs_format, below. */
12134 enum gs_keyword_index
12152 /* Vector of image_keyword structures describing the format
12153 of valid user-defined image specifications. */
12155 static struct image_keyword gs_format
[GS_LAST
] =
12157 {":type", IMAGE_SYMBOL_VALUE
, 1},
12158 {":pt-width", IMAGE_POSITIVE_INTEGER_VALUE
, 1},
12159 {":pt-height", IMAGE_POSITIVE_INTEGER_VALUE
, 1},
12160 {":file", IMAGE_STRING_VALUE
, 1},
12161 {":loader", IMAGE_FUNCTION_VALUE
, 0},
12162 {":bounding-box", IMAGE_DONT_CHECK_VALUE_TYPE
, 1},
12163 {":ascent", IMAGE_ASCENT_VALUE
, 0},
12164 {":margin", IMAGE_POSITIVE_INTEGER_VALUE_OR_PAIR
, 0},
12165 {":relief", IMAGE_INTEGER_VALUE
, 0},
12166 {":conversion", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
12167 {":heuristic-mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
12168 {":mask", IMAGE_DONT_CHECK_VALUE_TYPE
, 0},
12169 {":background", IMAGE_STRING_OR_NIL_VALUE
, 0}
12172 /* Structure describing the image type `ghostscript'. */
12174 static struct image_type gs_type
=
12184 /* Free X resources of Ghostscript image IMG which is used on frame F. */
12187 gs_clear_image (f
, img
)
12191 /* IMG->data.ptr_val may contain a recorded colormap. */
12192 xfree (img
->data
.ptr_val
);
12193 x_clear_image (f
, img
);
12197 /* Return non-zero if OBJECT is a valid Ghostscript image
12201 gs_image_p (object
)
12202 Lisp_Object object
;
12204 struct image_keyword fmt
[GS_LAST
];
12208 bcopy (gs_format
, fmt
, sizeof fmt
);
12210 if (!parse_image_spec (object
, fmt
, GS_LAST
, Qpostscript
))
12213 /* Bounding box must be a list or vector containing 4 integers. */
12214 tem
= fmt
[GS_BOUNDING_BOX
].value
;
12217 for (i
= 0; i
< 4; ++i
, tem
= XCDR (tem
))
12218 if (!CONSP (tem
) || !INTEGERP (XCAR (tem
)))
12223 else if (VECTORP (tem
))
12225 if (XVECTOR (tem
)->size
!= 4)
12227 for (i
= 0; i
< 4; ++i
)
12228 if (!INTEGERP (XVECTOR (tem
)->contents
[i
]))
12238 /* Load Ghostscript image IMG for use on frame F. Value is non-zero
12247 Lisp_Object window_and_pixmap_id
= Qnil
, loader
, pt_height
, pt_width
;
12248 struct gcpro gcpro1
, gcpro2
;
12250 double in_width
, in_height
;
12251 Lisp_Object pixel_colors
= Qnil
;
12253 /* Compute pixel size of pixmap needed from the given size in the
12254 image specification. Sizes in the specification are in pt. 1 pt
12255 = 1/72 in, xdpi and ydpi are stored in the frame's X display
12257 pt_width
= image_spec_value (img
->spec
, QCpt_width
, NULL
);
12258 in_width
= XFASTINT (pt_width
) / 72.0;
12259 img
->width
= in_width
* FRAME_W32_DISPLAY_INFO (f
)->resx
;
12260 pt_height
= image_spec_value (img
->spec
, QCpt_height
, NULL
);
12261 in_height
= XFASTINT (pt_height
) / 72.0;
12262 img
->height
= in_height
* FRAME_W32_DISPLAY_INFO (f
)->resy
;
12264 /* Create the pixmap. */
12266 xassert (img
->pixmap
== 0);
12267 img
->pixmap
= XCreatePixmap (FRAME_W32_DISPLAY (f
), FRAME_W32_WINDOW (f
),
12268 img
->width
, img
->height
,
12269 one_w32_display_info
.n_cbits
);
12274 image_error ("Unable to create pixmap for `%s'", img
->spec
, Qnil
);
12278 /* Call the loader to fill the pixmap. It returns a process object
12279 if successful. We do not record_unwind_protect here because
12280 other places in redisplay like calling window scroll functions
12281 don't either. Let the Lisp loader use `unwind-protect' instead. */
12282 GCPRO2 (window_and_pixmap_id
, pixel_colors
);
12284 sprintf (buffer
, "%lu %lu",
12285 (unsigned long) FRAME_W32_WINDOW (f
),
12286 (unsigned long) img
->pixmap
);
12287 window_and_pixmap_id
= build_string (buffer
);
12289 sprintf (buffer
, "%lu %lu",
12290 FRAME_FOREGROUND_PIXEL (f
),
12291 FRAME_BACKGROUND_PIXEL (f
));
12292 pixel_colors
= build_string (buffer
);
12294 XSETFRAME (frame
, f
);
12295 loader
= image_spec_value (img
->spec
, QCloader
, NULL
);
12297 loader
= intern ("gs-load-image");
12299 img
->data
.lisp_val
= call6 (loader
, frame
, img
->spec
,
12300 make_number (img
->width
),
12301 make_number (img
->height
),
12302 window_and_pixmap_id
,
12305 return PROCESSP (img
->data
.lisp_val
);
12309 /* Kill the Ghostscript process that was started to fill PIXMAP on
12310 frame F. Called from XTread_socket when receiving an event
12311 telling Emacs that Ghostscript has finished drawing. */
12314 x_kill_gs_process (pixmap
, f
)
12318 struct image_cache
*c
= FRAME_X_IMAGE_CACHE (f
);
12322 /* Find the image containing PIXMAP. */
12323 for (i
= 0; i
< c
->used
; ++i
)
12324 if (c
->images
[i
]->pixmap
== pixmap
)
12327 /* Should someone in between have cleared the image cache, for
12328 instance, give up. */
12332 /* Kill the GS process. We should have found PIXMAP in the image
12333 cache and its image should contain a process object. */
12334 img
= c
->images
[i
];
12335 xassert (PROCESSP (img
->data
.lisp_val
));
12336 Fkill_process (img
->data
.lisp_val
, Qnil
);
12337 img
->data
.lisp_val
= Qnil
;
12339 /* On displays with a mutable colormap, figure out the colors
12340 allocated for the image by looking at the pixels of an XImage for
12342 class = FRAME_W32_DISPLAY_INFO (f
)->visual
->class;
12343 if (class != StaticColor
&& class != StaticGray
&& class != TrueColor
)
12349 /* Try to get an XImage for img->pixmep. */
12350 ximg
= XGetImage (FRAME_W32_DISPLAY (f
), img
->pixmap
,
12351 0, 0, img
->width
, img
->height
, ~0, ZPixmap
);
12356 /* Initialize the color table. */
12357 init_color_table ();
12359 /* For each pixel of the image, look its color up in the
12360 color table. After having done so, the color table will
12361 contain an entry for each color used by the image. */
12362 for (y
= 0; y
< img
->height
; ++y
)
12363 for (x
= 0; x
< img
->width
; ++x
)
12365 unsigned long pixel
= XGetPixel (ximg
, x
, y
);
12366 lookup_pixel_color (f
, pixel
);
12369 /* Record colors in the image. Free color table and XImage. */
12370 img
->colors
= colors_in_color_table (&img
->ncolors
);
12371 free_color_table ();
12372 XDestroyImage (ximg
);
12374 #if 0 /* This doesn't seem to be the case. If we free the colors
12375 here, we get a BadAccess later in x_clear_image when
12376 freeing the colors. */
12377 /* We have allocated colors once, but Ghostscript has also
12378 allocated colors on behalf of us. So, to get the
12379 reference counts right, free them once. */
12381 x_free_colors (FRAME_W32_DISPLAY (f
), cmap
,
12382 img
->colors
, img
->ncolors
, 0);
12386 image_error ("Cannot get X image of `%s'; colors will not be freed",
12392 /* Now that we have the pixmap, compute mask and transform the
12393 image if requested. */
12395 postprocess_image (f
, img
);
12399 #endif /* HAVE_GHOSTSCRIPT */
12402 /***********************************************************************
12404 ***********************************************************************/
12406 DEFUN ("x-change-window-property", Fx_change_window_property
,
12407 Sx_change_window_property
, 2, 3, 0,
12408 doc
: /* Change window property PROP to VALUE on the X window of FRAME.
12409 PROP and VALUE must be strings. FRAME nil or omitted means use the
12410 selected frame. Value is VALUE. */)
12411 (prop
, value
, frame
)
12412 Lisp_Object frame
, prop
, value
;
12414 #if 0 /* TODO : port window properties to W32 */
12415 struct frame
*f
= check_x_frame (frame
);
12418 CHECK_STRING (prop
);
12419 CHECK_STRING (value
);
12422 prop_atom
= XInternAtom (FRAME_W32_DISPLAY (f
), SDATA (prop
), False
);
12423 XChangeProperty (FRAME_W32_DISPLAY (f
), FRAME_W32_WINDOW (f
),
12424 prop_atom
, XA_STRING
, 8, PropModeReplace
,
12425 SDATA (value
), SCHARS (value
));
12427 /* Make sure the property is set when we return. */
12428 XFlush (FRAME_W32_DISPLAY (f
));
12437 DEFUN ("x-delete-window-property", Fx_delete_window_property
,
12438 Sx_delete_window_property
, 1, 2, 0,
12439 doc
: /* Remove window property PROP from X window of FRAME.
12440 FRAME nil or omitted means use the selected frame. Value is PROP. */)
12442 Lisp_Object prop
, frame
;
12444 #if 0 /* TODO : port window properties to W32 */
12446 struct frame
*f
= check_x_frame (frame
);
12449 CHECK_STRING (prop
);
12451 prop_atom
= XInternAtom (FRAME_W32_DISPLAY (f
), SDATA (prop
), False
);
12452 XDeleteProperty (FRAME_W32_DISPLAY (f
), FRAME_W32_WINDOW (f
), prop_atom
);
12454 /* Make sure the property is removed when we return. */
12455 XFlush (FRAME_W32_DISPLAY (f
));
12463 DEFUN ("x-window-property", Fx_window_property
, Sx_window_property
,
12465 doc
: /* Value is the value of window property PROP on FRAME.
12466 If FRAME is nil or omitted, use the selected frame. Value is nil
12467 if FRAME hasn't a property with name PROP or if PROP has no string
12470 Lisp_Object prop
, frame
;
12472 #if 0 /* TODO : port window properties to W32 */
12474 struct frame
*f
= check_x_frame (frame
);
12477 Lisp_Object prop_value
= Qnil
;
12478 char *tmp_data
= NULL
;
12481 unsigned long actual_size
, bytes_remaining
;
12483 CHECK_STRING (prop
);
12485 prop_atom
= XInternAtom (FRAME_W32_DISPLAY (f
), SDATA (prop
), False
);
12486 rc
= XGetWindowProperty (FRAME_W32_DISPLAY (f
), FRAME_W32_WINDOW (f
),
12487 prop_atom
, 0, 0, False
, XA_STRING
,
12488 &actual_type
, &actual_format
, &actual_size
,
12489 &bytes_remaining
, (unsigned char **) &tmp_data
);
12492 int size
= bytes_remaining
;
12497 rc
= XGetWindowProperty (FRAME_W32_DISPLAY (f
), FRAME_W32_WINDOW (f
),
12498 prop_atom
, 0, bytes_remaining
,
12500 &actual_type
, &actual_format
,
12501 &actual_size
, &bytes_remaining
,
12502 (unsigned char **) &tmp_data
);
12504 prop_value
= make_string (tmp_data
, size
);
12519 /***********************************************************************
12521 ***********************************************************************/
12523 /* If non-null, an asynchronous timer that, when it expires, displays
12524 an hourglass cursor on all frames. */
12526 static struct atimer
*hourglass_atimer
;
12528 /* Non-zero means an hourglass cursor is currently shown. */
12530 static int hourglass_shown_p
;
12532 /* Number of seconds to wait before displaying an hourglass cursor. */
12534 static Lisp_Object Vhourglass_delay
;
12536 /* Default number of seconds to wait before displaying an hourglass
12539 #define DEFAULT_HOURGLASS_DELAY 1
12541 /* Function prototypes. */
12543 static void show_hourglass
P_ ((struct atimer
*));
12544 static void hide_hourglass
P_ ((void));
12547 /* Cancel a currently active hourglass timer, and start a new one. */
12552 #if 0 /* TODO: cursor shape changes. */
12554 int secs
, usecs
= 0;
12556 cancel_hourglass ();
12558 if (INTEGERP (Vhourglass_delay
)
12559 && XINT (Vhourglass_delay
) > 0)
12560 secs
= XFASTINT (Vhourglass_delay
);
12561 else if (FLOATP (Vhourglass_delay
)
12562 && XFLOAT_DATA (Vhourglass_delay
) > 0)
12565 tem
= Ftruncate (Vhourglass_delay
, Qnil
);
12566 secs
= XFASTINT (tem
);
12567 usecs
= (XFLOAT_DATA (Vhourglass_delay
) - secs
) * 1000000;
12570 secs
= DEFAULT_HOURGLASS_DELAY
;
12572 EMACS_SET_SECS_USECS (delay
, secs
, usecs
);
12573 hourglass_atimer
= start_atimer (ATIMER_RELATIVE
, delay
,
12574 show_hourglass
, NULL
);
12579 /* Cancel the hourglass cursor timer if active, hide an hourglass
12580 cursor if shown. */
12583 cancel_hourglass ()
12585 if (hourglass_atimer
)
12587 cancel_atimer (hourglass_atimer
);
12588 hourglass_atimer
= NULL
;
12591 if (hourglass_shown_p
)
12596 /* Timer function of hourglass_atimer. TIMER is equal to
12599 Display an hourglass cursor on all frames by mapping the frames'
12600 hourglass_window. Set the hourglass_p flag in the frames'
12601 output_data.x structure to indicate that an hourglass cursor is
12602 shown on the frames. */
12605 show_hourglass (timer
)
12606 struct atimer
*timer
;
12608 #if 0 /* TODO: cursor shape changes. */
12609 /* The timer implementation will cancel this timer automatically
12610 after this function has run. Set hourglass_atimer to null
12611 so that we know the timer doesn't have to be canceled. */
12612 hourglass_atimer
= NULL
;
12614 if (!hourglass_shown_p
)
12616 Lisp_Object rest
, frame
;
12620 FOR_EACH_FRAME (rest
, frame
)
12621 if (FRAME_W32_P (XFRAME (frame
)))
12623 struct frame
*f
= XFRAME (frame
);
12625 f
->output_data
.w32
->hourglass_p
= 1;
12627 if (!f
->output_data
.w32
->hourglass_window
)
12629 unsigned long mask
= CWCursor
;
12630 XSetWindowAttributes attrs
;
12632 attrs
.cursor
= f
->output_data
.w32
->hourglass_cursor
;
12634 f
->output_data
.w32
->hourglass_window
12635 = XCreateWindow (FRAME_X_DISPLAY (f
),
12636 FRAME_OUTER_WINDOW (f
),
12637 0, 0, 32000, 32000, 0, 0,
12643 XMapRaised (FRAME_X_DISPLAY (f
),
12644 f
->output_data
.w32
->hourglass_window
);
12645 XFlush (FRAME_X_DISPLAY (f
));
12648 hourglass_shown_p
= 1;
12655 /* Hide the hourglass cursor on all frames, if it is currently shown. */
12660 #if 0 /* TODO: cursor shape changes. */
12661 if (hourglass_shown_p
)
12663 Lisp_Object rest
, frame
;
12666 FOR_EACH_FRAME (rest
, frame
)
12668 struct frame
*f
= XFRAME (frame
);
12670 if (FRAME_W32_P (f
)
12671 /* Watch out for newly created frames. */
12672 && f
->output_data
.x
->hourglass_window
)
12674 XUnmapWindow (FRAME_X_DISPLAY (f
),
12675 f
->output_data
.x
->hourglass_window
);
12676 /* Sync here because XTread_socket looks at the
12677 hourglass_p flag that is reset to zero below. */
12678 XSync (FRAME_X_DISPLAY (f
), False
);
12679 f
->output_data
.x
->hourglass_p
= 0;
12683 hourglass_shown_p
= 0;
12691 /***********************************************************************
12693 ***********************************************************************/
12695 static Lisp_Object x_create_tip_frame
P_ ((struct w32_display_info
*,
12696 Lisp_Object
, Lisp_Object
));
12697 static void compute_tip_xy
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
,
12698 Lisp_Object
, int, int, int *, int *));
12700 /* The frame of a currently visible tooltip. */
12702 Lisp_Object tip_frame
;
12704 /* If non-nil, a timer started that hides the last tooltip when it
12707 Lisp_Object tip_timer
;
12710 /* If non-nil, a vector of 3 elements containing the last args
12711 with which x-show-tip was called. See there. */
12713 Lisp_Object last_show_tip_args
;
12715 /* Maximum size for tooltips; a cons (COLUMNS . ROWS). */
12717 Lisp_Object Vx_max_tooltip_size
;
12721 unwind_create_tip_frame (frame
)
12724 Lisp_Object deleted
;
12726 deleted
= unwind_create_frame (frame
);
12727 if (EQ (deleted
, Qt
))
12737 /* Create a frame for a tooltip on the display described by DPYINFO.
12738 PARMS is a list of frame parameters. TEXT is the string to
12739 display in the tip frame. Value is the frame.
12741 Note that functions called here, esp. x_default_parameter can
12742 signal errors, for instance when a specified color name is
12743 undefined. We have to make sure that we're in a consistent state
12744 when this happens. */
12747 x_create_tip_frame (dpyinfo
, parms
, text
)
12748 struct w32_display_info
*dpyinfo
;
12749 Lisp_Object parms
, text
;
12752 Lisp_Object frame
, tem
;
12754 long window_prompting
= 0;
12756 int count
= SPECPDL_INDEX ();
12757 struct gcpro gcpro1
, gcpro2
, gcpro3
;
12759 int face_change_count_before
= face_change_count
;
12760 Lisp_Object buffer
;
12761 struct buffer
*old_buffer
;
12765 /* Use this general default value to start with until we know if
12766 this frame has a specified name. */
12767 Vx_resource_name
= Vinvocation_name
;
12769 #ifdef MULTI_KBOARD
12770 kb
= dpyinfo
->kboard
;
12772 kb
= &the_only_kboard
;
12775 /* Get the name of the frame to use for resource lookup. */
12776 name
= w32_get_arg (parms
, Qname
, "name", "Name", RES_TYPE_STRING
);
12777 if (!STRINGP (name
)
12778 && !EQ (name
, Qunbound
)
12780 error ("Invalid frame name--not a string or nil");
12781 Vx_resource_name
= name
;
12784 GCPRO3 (parms
, name
, frame
);
12785 /* Make a frame without minibuffer nor mode-line. */
12786 f
= make_frame (0);
12787 f
->wants_modeline
= 0;
12788 XSETFRAME (frame
, f
);
12790 buffer
= Fget_buffer_create (build_string (" *tip*"));
12791 Fset_window_buffer (FRAME_ROOT_WINDOW (f
), buffer
, Qnil
);
12792 old_buffer
= current_buffer
;
12793 set_buffer_internal_1 (XBUFFER (buffer
));
12794 current_buffer
->truncate_lines
= Qnil
;
12796 Finsert (1, &text
);
12797 set_buffer_internal_1 (old_buffer
);
12799 FRAME_CAN_HAVE_SCROLL_BARS (f
) = 0;
12800 record_unwind_protect (unwind_create_tip_frame
, frame
);
12802 /* By setting the output method, we're essentially saying that
12803 the frame is live, as per FRAME_LIVE_P. If we get a signal
12804 from this point on, x_destroy_window might screw up reference
12806 f
->output_method
= output_w32
;
12807 f
->output_data
.w32
=
12808 (struct w32_output
*) xmalloc (sizeof (struct w32_output
));
12809 bzero (f
->output_data
.w32
, sizeof (struct w32_output
));
12811 FRAME_FONTSET (f
) = -1;
12812 f
->icon_name
= Qnil
;
12814 #if 0 /* GLYPH_DEBUG TODO: image support. */
12815 image_cache_refcount
= FRAME_X_IMAGE_CACHE (f
)->refcount
;
12816 dpyinfo_refcount
= dpyinfo
->reference_count
;
12817 #endif /* GLYPH_DEBUG */
12818 #ifdef MULTI_KBOARD
12819 FRAME_KBOARD (f
) = kb
;
12821 f
->output_data
.w32
->parent_desc
= FRAME_W32_DISPLAY_INFO (f
)->root_window
;
12822 f
->output_data
.w32
->explicit_parent
= 0;
12824 /* Set the name; the functions to which we pass f expect the name to
12826 if (EQ (name
, Qunbound
) || NILP (name
))
12828 f
->name
= build_string (dpyinfo
->w32_id_name
);
12829 f
->explicit_name
= 0;
12834 f
->explicit_name
= 1;
12835 /* use the frame's title when getting resources for this frame. */
12836 specbind (Qx_resource_name
, name
);
12839 /* Extract the window parameters from the supplied values
12840 that are needed to determine window geometry. */
12844 font
= w32_get_arg (parms
, Qfont
, "font", "Font", RES_TYPE_STRING
);
12847 /* First, try whatever font the caller has specified. */
12848 if (STRINGP (font
))
12850 tem
= Fquery_fontset (font
, Qnil
);
12852 font
= x_new_fontset (f
, SDATA (tem
));
12854 font
= x_new_font (f
, SDATA (font
));
12857 /* Try out a font which we hope has bold and italic variations. */
12858 if (!STRINGP (font
))
12859 font
= x_new_font (f
, "-*-Courier New-normal-r-*-*-*-100-*-*-c-*-iso8859-1");
12860 if (! STRINGP (font
))
12861 font
= x_new_font (f
, "-*-Courier-normal-r-*-*-13-*-*-*-c-*-iso8859-1");
12862 /* If those didn't work, look for something which will at least work. */
12863 if (! STRINGP (font
))
12864 font
= x_new_font (f
, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1");
12866 if (! STRINGP (font
))
12867 font
= build_string ("Fixedsys");
12869 x_default_parameter (f
, parms
, Qfont
, font
,
12870 "font", "Font", RES_TYPE_STRING
);
12873 x_default_parameter (f
, parms
, Qborder_width
, make_number (2),
12874 "borderWidth", "BorderWidth", RES_TYPE_NUMBER
);
12875 /* This defaults to 2 in order to match xterm. We recognize either
12876 internalBorderWidth or internalBorder (which is what xterm calls
12878 if (NILP (Fassq (Qinternal_border_width
, parms
)))
12882 value
= w32_get_arg (parms
, Qinternal_border_width
,
12883 "internalBorder", "internalBorder", RES_TYPE_NUMBER
);
12884 if (! EQ (value
, Qunbound
))
12885 parms
= Fcons (Fcons (Qinternal_border_width
, value
),
12888 x_default_parameter (f
, parms
, Qinternal_border_width
, make_number (1),
12889 "internalBorderWidth", "internalBorderWidth",
12892 /* Also do the stuff which must be set before the window exists. */
12893 x_default_parameter (f
, parms
, Qforeground_color
, build_string ("black"),
12894 "foreground", "Foreground", RES_TYPE_STRING
);
12895 x_default_parameter (f
, parms
, Qbackground_color
, build_string ("white"),
12896 "background", "Background", RES_TYPE_STRING
);
12897 x_default_parameter (f
, parms
, Qmouse_color
, build_string ("black"),
12898 "pointerColor", "Foreground", RES_TYPE_STRING
);
12899 x_default_parameter (f
, parms
, Qcursor_color
, build_string ("black"),
12900 "cursorColor", "Foreground", RES_TYPE_STRING
);
12901 x_default_parameter (f
, parms
, Qborder_color
, build_string ("black"),
12902 "borderColor", "BorderColor", RES_TYPE_STRING
);
12904 /* Init faces before x_default_parameter is called for scroll-bar
12905 parameters because that function calls x_set_scroll_bar_width,
12906 which calls change_frame_size, which calls Fset_window_buffer,
12907 which runs hooks, which call Fvertical_motion. At the end, we
12908 end up in init_iterator with a null face cache, which should not
12910 init_frame_faces (f
);
12912 f
->output_data
.w32
->dwStyle
= WS_BORDER
| WS_POPUP
| WS_DISABLED
;
12913 f
->output_data
.w32
->parent_desc
= FRAME_W32_DISPLAY_INFO (f
)->root_window
;
12915 window_prompting
= x_figure_window_size (f
, parms
, 0);
12917 /* No fringes on tip frame. */
12918 f
->fringe_cols
= 0;
12919 f
->left_fringe_width
= 0;
12920 f
->right_fringe_width
= 0;
12923 my_create_tip_window (f
);
12928 x_default_parameter (f
, parms
, Qauto_raise
, Qnil
,
12929 "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN
);
12930 x_default_parameter (f
, parms
, Qauto_lower
, Qnil
,
12931 "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN
);
12932 x_default_parameter (f
, parms
, Qcursor_type
, Qbox
,
12933 "cursorType", "CursorType", RES_TYPE_SYMBOL
);
12935 /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size.
12936 Change will not be effected unless different from the current
12937 FRAME_LINES (f). */
12938 width
= FRAME_COLS (f
);
12939 height
= FRAME_LINES (f
);
12940 FRAME_LINES (f
) = 0;
12941 SET_FRAME_COLS (f
, 0);
12942 change_frame_size (f
, height
, width
, 1, 0, 0);
12944 /* Add `tooltip' frame parameter's default value. */
12945 if (NILP (Fframe_parameter (frame
, intern ("tooltip"))))
12946 Fmodify_frame_parameters (frame
, Fcons (Fcons (intern ("tooltip"), Qt
),
12949 /* Set up faces after all frame parameters are known. This call
12950 also merges in face attributes specified for new frames.
12952 Frame parameters may be changed if .Xdefaults contains
12953 specifications for the default font. For example, if there is an
12954 `Emacs.default.attributeBackground: pink', the `background-color'
12955 attribute of the frame get's set, which let's the internal border
12956 of the tooltip frame appear in pink. Prevent this. */
12958 Lisp_Object bg
= Fframe_parameter (frame
, Qbackground_color
);
12960 /* Set tip_frame here, so that */
12962 call1 (Qface_set_after_frame_default
, frame
);
12964 if (!EQ (bg
, Fframe_parameter (frame
, Qbackground_color
)))
12965 Fmodify_frame_parameters (frame
, Fcons (Fcons (Qbackground_color
, bg
),
12973 /* It is now ok to make the frame official even if we get an error
12974 below. And the frame needs to be on Vframe_list or making it
12975 visible won't work. */
12976 Vframe_list
= Fcons (frame
, Vframe_list
);
12978 /* Now that the frame is official, it counts as a reference to
12980 FRAME_W32_DISPLAY_INFO (f
)->reference_count
++;
12982 /* Setting attributes of faces of the tooltip frame from resources
12983 and similar will increment face_change_count, which leads to the
12984 clearing of all current matrices. Since this isn't necessary
12985 here, avoid it by resetting face_change_count to the value it
12986 had before we created the tip frame. */
12987 face_change_count
= face_change_count_before
;
12989 /* Discard the unwind_protect. */
12990 return unbind_to (count
, frame
);
12994 /* Compute where to display tip frame F. PARMS is the list of frame
12995 parameters for F. DX and DY are specified offsets from the current
12996 location of the mouse. WIDTH and HEIGHT are the width and height
12997 of the tooltip. Return coordinates relative to the root window of
12998 the display in *ROOT_X, and *ROOT_Y. */
13001 compute_tip_xy (f
, parms
, dx
, dy
, width
, height
, root_x
, root_y
)
13003 Lisp_Object parms
, dx
, dy
;
13005 int *root_x
, *root_y
;
13007 Lisp_Object left
, top
;
13009 /* User-specified position? */
13010 left
= Fcdr (Fassq (Qleft
, parms
));
13011 top
= Fcdr (Fassq (Qtop
, parms
));
13013 /* Move the tooltip window where the mouse pointer is. Resize and
13015 if (!INTEGERP (left
) || !INTEGERP (top
))
13020 GetCursorPos (&pt
);
13026 if (INTEGERP (top
))
13027 *root_y
= XINT (top
);
13028 else if (*root_y
+ XINT (dy
) - height
< 0)
13029 *root_y
-= XINT (dy
);
13033 *root_y
+= XINT (dy
);
13036 if (INTEGERP (left
))
13037 *root_x
= XINT (left
);
13038 else if (*root_x
+ XINT (dx
) + width
<= FRAME_W32_DISPLAY_INFO (f
)->width
)
13039 /* It fits to the right of the pointer. */
13040 *root_x
+= XINT (dx
);
13041 else if (width
+ XINT (dx
) <= *root_x
)
13042 /* It fits to the left of the pointer. */
13043 *root_x
-= width
+ XINT (dx
);
13045 /* Put it left justified on the screen -- it ought to fit that way. */
13050 DEFUN ("x-show-tip", Fx_show_tip
, Sx_show_tip
, 1, 6, 0,
13051 doc
: /* Show STRING in a \"tooltip\" window on frame FRAME.
13052 A tooltip window is a small window displaying a string.
13054 FRAME nil or omitted means use the selected frame.
13056 PARMS is an optional list of frame parameters which can be
13057 used to change the tooltip's appearance.
13059 Automatically hide the tooltip after TIMEOUT seconds. TIMEOUT nil
13060 means use the default timeout of 5 seconds.
13062 If the list of frame parameters PARAMS contains a `left' parameter,
13063 the tooltip is displayed at that x-position. Otherwise it is
13064 displayed at the mouse position, with offset DX added (default is 5 if
13065 DX isn't specified). Likewise for the y-position; if a `top' frame
13066 parameter is specified, it determines the y-position of the tooltip
13067 window, otherwise it is displayed at the mouse position, with offset
13068 DY added (default is -10).
13070 A tooltip's maximum size is specified by `x-max-tooltip-size'.
13071 Text larger than the specified size is clipped. */)
13072 (string
, frame
, parms
, timeout
, dx
, dy
)
13073 Lisp_Object string
, frame
, parms
, timeout
, dx
, dy
;
13077 int root_x
, root_y
;
13078 struct buffer
*old_buffer
;
13079 struct text_pos pos
;
13080 int i
, width
, height
;
13081 struct gcpro gcpro1
, gcpro2
, gcpro3
, gcpro4
;
13082 int old_windows_or_buffers_changed
= windows_or_buffers_changed
;
13083 int count
= SPECPDL_INDEX ();
13085 specbind (Qinhibit_redisplay
, Qt
);
13087 GCPRO4 (string
, parms
, frame
, timeout
);
13089 CHECK_STRING (string
);
13090 f
= check_x_frame (frame
);
13091 if (NILP (timeout
))
13092 timeout
= make_number (5);
13094 CHECK_NATNUM (timeout
);
13097 dx
= make_number (5);
13102 dy
= make_number (-10);
13106 if (NILP (last_show_tip_args
))
13107 last_show_tip_args
= Fmake_vector (make_number (3), Qnil
);
13109 if (!NILP (tip_frame
))
13111 Lisp_Object last_string
= AREF (last_show_tip_args
, 0);
13112 Lisp_Object last_frame
= AREF (last_show_tip_args
, 1);
13113 Lisp_Object last_parms
= AREF (last_show_tip_args
, 2);
13115 if (EQ (frame
, last_frame
)
13116 && !NILP (Fequal (last_string
, string
))
13117 && !NILP (Fequal (last_parms
, parms
)))
13119 struct frame
*f
= XFRAME (tip_frame
);
13121 /* Only DX and DY have changed. */
13122 if (!NILP (tip_timer
))
13124 Lisp_Object timer
= tip_timer
;
13126 call1 (Qcancel_timer
, timer
);
13130 compute_tip_xy (f
, parms
, dx
, dy
, FRAME_PIXEL_WIDTH (f
),
13131 FRAME_PIXEL_HEIGHT (f
), &root_x
, &root_y
);
13133 /* Put tooltip in topmost group and in position. */
13134 SetWindowPos (FRAME_W32_WINDOW (f
), HWND_TOPMOST
,
13135 root_x
, root_y
, 0, 0,
13136 SWP_NOSIZE
| SWP_NOACTIVATE
);
13138 /* Ensure tooltip is on top of other topmost windows (eg menus). */
13139 SetWindowPos (FRAME_W32_WINDOW (f
), HWND_TOP
,
13141 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOACTIVATE
);
13148 /* Hide a previous tip, if any. */
13151 ASET (last_show_tip_args
, 0, string
);
13152 ASET (last_show_tip_args
, 1, frame
);
13153 ASET (last_show_tip_args
, 2, parms
);
13155 /* Add default values to frame parameters. */
13156 if (NILP (Fassq (Qname
, parms
)))
13157 parms
= Fcons (Fcons (Qname
, build_string ("tooltip")), parms
);
13158 if (NILP (Fassq (Qinternal_border_width
, parms
)))
13159 parms
= Fcons (Fcons (Qinternal_border_width
, make_number (3)), parms
);
13160 if (NILP (Fassq (Qborder_width
, parms
)))
13161 parms
= Fcons (Fcons (Qborder_width
, make_number (1)), parms
);
13162 if (NILP (Fassq (Qborder_color
, parms
)))
13163 parms
= Fcons (Fcons (Qborder_color
, build_string ("lightyellow")), parms
);
13164 if (NILP (Fassq (Qbackground_color
, parms
)))
13165 parms
= Fcons (Fcons (Qbackground_color
, build_string ("lightyellow")),
13168 /* Block input until the tip has been fully drawn, to avoid crashes
13169 when drawing tips in menus. */
13172 /* Create a frame for the tooltip, and record it in the global
13173 variable tip_frame. */
13174 frame
= x_create_tip_frame (FRAME_W32_DISPLAY_INFO (f
), parms
, string
);
13175 f
= XFRAME (frame
);
13177 /* Set up the frame's root window. */
13178 w
= XWINDOW (FRAME_ROOT_WINDOW (f
));
13179 w
->left_col
= w
->top_line
= make_number (0);
13181 if (CONSP (Vx_max_tooltip_size
)
13182 && INTEGERP (XCAR (Vx_max_tooltip_size
))
13183 && XINT (XCAR (Vx_max_tooltip_size
)) > 0
13184 && INTEGERP (XCDR (Vx_max_tooltip_size
))
13185 && XINT (XCDR (Vx_max_tooltip_size
)) > 0)
13187 w
->total_cols
= XCAR (Vx_max_tooltip_size
);
13188 w
->total_lines
= XCDR (Vx_max_tooltip_size
);
13192 w
->total_cols
= make_number (80);
13193 w
->total_lines
= make_number (40);
13196 FRAME_TOTAL_COLS (f
) = XINT (w
->total_cols
);
13198 w
->pseudo_window_p
= 1;
13200 /* Display the tooltip text in a temporary buffer. */
13201 old_buffer
= current_buffer
;
13202 set_buffer_internal_1 (XBUFFER (XWINDOW (FRAME_ROOT_WINDOW (f
))->buffer
));
13203 current_buffer
->truncate_lines
= Qnil
;
13204 clear_glyph_matrix (w
->desired_matrix
);
13205 clear_glyph_matrix (w
->current_matrix
);
13206 SET_TEXT_POS (pos
, BEGV
, BEGV_BYTE
);
13207 try_window (FRAME_ROOT_WINDOW (f
), pos
);
13209 /* Compute width and height of the tooltip. */
13210 width
= height
= 0;
13211 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
13213 struct glyph_row
*row
= &w
->desired_matrix
->rows
[i
];
13214 struct glyph
*last
;
13217 /* Stop at the first empty row at the end. */
13218 if (!row
->enabled_p
|| !row
->displays_text_p
)
13221 /* Let the row go over the full width of the frame. */
13222 row
->full_width_p
= 1;
13224 #ifdef TODO /* Investigate why some fonts need more width than is
13225 calculated for some tooltips. */
13226 /* There's a glyph at the end of rows that is use to place
13227 the cursor there. Don't include the width of this glyph. */
13228 if (row
->used
[TEXT_AREA
])
13230 last
= &row
->glyphs
[TEXT_AREA
][row
->used
[TEXT_AREA
] - 1];
13231 row_width
= row
->pixel_width
- last
->pixel_width
;
13235 row_width
= row
->pixel_width
;
13237 /* TODO: find why tips do not draw along baseline as instructed. */
13238 height
+= row
->height
;
13239 width
= max (width
, row_width
);
13242 /* Add the frame's internal border to the width and height the X
13243 window should have. */
13244 height
+= 2 * FRAME_INTERNAL_BORDER_WIDTH (f
);
13245 width
+= 2 * FRAME_INTERNAL_BORDER_WIDTH (f
);
13247 /* Move the tooltip window where the mouse pointer is. Resize and
13249 compute_tip_xy (f
, parms
, dx
, dy
, width
, height
, &root_x
, &root_y
);
13252 /* Adjust Window size to take border into account. */
13254 rect
.left
= rect
.top
= 0;
13255 rect
.right
= width
;
13256 rect
.bottom
= height
;
13257 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
13258 FRAME_EXTERNAL_MENU_BAR (f
));
13260 /* Position and size tooltip, and put it in the topmost group. */
13261 SetWindowPos (FRAME_W32_WINDOW (f
), HWND_TOPMOST
,
13262 root_x
, root_y
, rect
.right
- rect
.left
,
13263 rect
.bottom
- rect
.top
, SWP_NOACTIVATE
);
13265 /* Ensure tooltip is on top of other topmost windows (eg menus). */
13266 SetWindowPos (FRAME_W32_WINDOW (f
), HWND_TOP
,
13268 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOACTIVATE
);
13270 /* Let redisplay know that we have made the frame visible already. */
13271 f
->async_visible
= 1;
13273 ShowWindow (FRAME_W32_WINDOW (f
), SW_SHOWNOACTIVATE
);
13276 /* Draw into the window. */
13277 w
->must_be_updated_p
= 1;
13278 update_single_window (w
, 1);
13282 /* Restore original current buffer. */
13283 set_buffer_internal_1 (old_buffer
);
13284 windows_or_buffers_changed
= old_windows_or_buffers_changed
;
13287 /* Let the tip disappear after timeout seconds. */
13288 tip_timer
= call3 (intern ("run-at-time"), timeout
, Qnil
,
13289 intern ("x-hide-tip"));
13292 return unbind_to (count
, Qnil
);
13296 DEFUN ("x-hide-tip", Fx_hide_tip
, Sx_hide_tip
, 0, 0, 0,
13297 doc
: /* Hide the current tooltip window, if there is any.
13298 Value is t if tooltip was open, nil otherwise. */)
13302 Lisp_Object deleted
, frame
, timer
;
13303 struct gcpro gcpro1
, gcpro2
;
13305 /* Return quickly if nothing to do. */
13306 if (NILP (tip_timer
) && NILP (tip_frame
))
13311 GCPRO2 (frame
, timer
);
13312 tip_frame
= tip_timer
= deleted
= Qnil
;
13314 count
= SPECPDL_INDEX ();
13315 specbind (Qinhibit_redisplay
, Qt
);
13316 specbind (Qinhibit_quit
, Qt
);
13319 call1 (Qcancel_timer
, timer
);
13321 if (FRAMEP (frame
))
13323 Fdelete_frame (frame
, Qnil
);
13328 return unbind_to (count
, deleted
);
13333 /***********************************************************************
13334 File selection dialog
13335 ***********************************************************************/
13336 extern Lisp_Object Qfile_name_history
;
13338 /* Callback for altering the behaviour of the Open File dialog.
13339 Makes the Filename text field contain "Current Directory" and be
13340 read-only when "Directories" is selected in the filter. This
13341 allows us to work around the fact that the standard Open File
13342 dialog does not support directories. */
13344 file_dialog_callback (hwnd
, msg
, wParam
, lParam
)
13350 if (msg
== WM_NOTIFY
)
13352 OFNOTIFY
* notify
= (OFNOTIFY
*)lParam
;
13353 /* Detect when the Filter dropdown is changed. */
13354 if (notify
->hdr
.code
== CDN_TYPECHANGE
)
13356 HWND dialog
= GetParent (hwnd
);
13357 HWND edit_control
= GetDlgItem (dialog
, FILE_NAME_TEXT_FIELD
);
13359 /* Directories is in index 2. */
13360 if (notify
->lpOFN
->nFilterIndex
== 2)
13362 CommDlg_OpenSave_SetControlText (dialog
, FILE_NAME_TEXT_FIELD
,
13363 "Current Directory");
13364 EnableWindow (edit_control
, FALSE
);
13368 CommDlg_OpenSave_SetControlText (dialog
, FILE_NAME_TEXT_FIELD
,
13370 EnableWindow (edit_control
, TRUE
);
13377 DEFUN ("x-file-dialog", Fx_file_dialog
, Sx_file_dialog
, 2, 4, 0,
13378 doc
: /* Read file name, prompting with PROMPT in directory DIR.
13379 Use a file selection dialog.
13380 Select DEFAULT-FILENAME in the dialog's file selection box, if
13381 specified. Ensure that file exists if MUSTMATCH is non-nil. */)
13382 (prompt
, dir
, default_filename
, mustmatch
)
13383 Lisp_Object prompt
, dir
, default_filename
, mustmatch
;
13385 struct frame
*f
= SELECTED_FRAME ();
13386 Lisp_Object file
= Qnil
;
13387 int count
= SPECPDL_INDEX ();
13388 struct gcpro gcpro1
, gcpro2
, gcpro3
, gcpro4
, gcpro5
;
13389 char filename
[MAX_PATH
+ 1];
13390 char init_dir
[MAX_PATH
+ 1];
13392 GCPRO5 (prompt
, dir
, default_filename
, mustmatch
, file
);
13393 CHECK_STRING (prompt
);
13394 CHECK_STRING (dir
);
13396 /* Create the dialog with PROMPT as title, using DIR as initial
13397 directory and using "*" as pattern. */
13398 dir
= Fexpand_file_name (dir
, Qnil
);
13399 strncpy (init_dir
, SDATA (dir
), MAX_PATH
);
13400 init_dir
[MAX_PATH
] = '\0';
13401 unixtodos_filename (init_dir
);
13403 if (STRINGP (default_filename
))
13405 char *file_name_only
;
13406 char *full_path_name
= SDATA (default_filename
);
13408 unixtodos_filename (full_path_name
);
13410 file_name_only
= strrchr (full_path_name
, '\\');
13411 if (!file_name_only
)
13412 file_name_only
= full_path_name
;
13418 strncpy (filename
, file_name_only
, MAX_PATH
);
13419 filename
[MAX_PATH
] = '\0';
13422 filename
[0] = '\0';
13425 OPENFILENAME file_details
;
13427 /* Prevent redisplay. */
13428 specbind (Qinhibit_redisplay
, Qt
);
13431 bzero (&file_details
, sizeof (file_details
));
13432 file_details
.lStructSize
= sizeof (file_details
);
13433 file_details
.hwndOwner
= FRAME_W32_WINDOW (f
);
13434 /* Undocumented Bug in Common File Dialog:
13435 If a filter is not specified, shell links are not resolved. */
13436 file_details
.lpstrFilter
= "All Files (*.*)\0*.*\0Directories\0*|*\0\0";
13437 file_details
.lpstrFile
= filename
;
13438 file_details
.nMaxFile
= sizeof (filename
);
13439 file_details
.lpstrInitialDir
= init_dir
;
13440 file_details
.lpstrTitle
= SDATA (prompt
);
13441 file_details
.Flags
= (OFN_HIDEREADONLY
| OFN_NOCHANGEDIR
13442 | OFN_EXPLORER
| OFN_ENABLEHOOK
);
13443 if (!NILP (mustmatch
))
13444 file_details
.Flags
|= OFN_FILEMUSTEXIST
| OFN_PATHMUSTEXIST
;
13446 file_details
.lpfnHook
= (LPOFNHOOKPROC
) file_dialog_callback
;
13448 if (GetOpenFileName (&file_details
))
13450 dostounix_filename (filename
);
13451 if (file_details
.nFilterIndex
== 2)
13453 /* "Folder Only" selected - strip dummy file name. */
13454 char * last
= strrchr (filename
, '/');
13458 file
= DECODE_FILE(build_string (filename
));
13460 /* User cancelled the dialog without making a selection. */
13461 else if (!CommDlgExtendedError ())
13463 /* An error occurred, fallback on reading from the mini-buffer. */
13465 file
= Fcompleting_read (prompt
, intern ("read-file-name-internal"),
13466 dir
, mustmatch
, dir
, Qfile_name_history
,
13467 default_filename
, Qnil
);
13470 file
= unbind_to (count
, file
);
13475 /* Make "Cancel" equivalent to C-g. */
13477 Fsignal (Qquit
, Qnil
);
13479 return unbind_to (count
, file
);
13484 /***********************************************************************
13485 w32 specialized functions
13486 ***********************************************************************/
13488 DEFUN ("w32-select-font", Fw32_select_font
, Sw32_select_font
, 0, 2, 0,
13489 doc
: /* Select a font using the W32 font dialog.
13490 Returns an X font string corresponding to the selection. */)
13491 (frame
, include_proportional
)
13492 Lisp_Object frame
, include_proportional
;
13494 FRAME_PTR f
= check_x_frame (frame
);
13502 bzero (&cf
, sizeof (cf
));
13503 bzero (&lf
, sizeof (lf
));
13505 cf
.lStructSize
= sizeof (cf
);
13506 cf
.hwndOwner
= FRAME_W32_WINDOW (f
);
13507 cf
.Flags
= CF_FORCEFONTEXIST
| CF_SCREENFONTS
| CF_NOVERTFONTS
;
13509 /* Unless include_proportional is non-nil, limit the selection to
13510 monospaced fonts. */
13511 if (NILP (include_proportional
))
13512 cf
.Flags
|= CF_FIXEDPITCHONLY
;
13514 cf
.lpLogFont
= &lf
;
13516 /* Initialize as much of the font details as we can from the current
13518 hdc
= GetDC (FRAME_W32_WINDOW (f
));
13519 oldobj
= SelectObject (hdc
, FRAME_FONT (f
)->hfont
);
13520 GetTextFace (hdc
, LF_FACESIZE
, lf
.lfFaceName
);
13521 if (GetTextMetrics (hdc
, &tm
))
13523 lf
.lfHeight
= tm
.tmInternalLeading
- tm
.tmHeight
;
13524 lf
.lfWeight
= tm
.tmWeight
;
13525 lf
.lfItalic
= tm
.tmItalic
;
13526 lf
.lfUnderline
= tm
.tmUnderlined
;
13527 lf
.lfStrikeOut
= tm
.tmStruckOut
;
13528 lf
.lfCharSet
= tm
.tmCharSet
;
13529 cf
.Flags
|= CF_INITTOLOGFONTSTRUCT
;
13531 SelectObject (hdc
, oldobj
);
13532 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
13534 if (!ChooseFont (&cf
) || !w32_to_x_font (&lf
, buf
, 100, NULL
))
13537 return build_string (buf
);
13540 DEFUN ("w32-send-sys-command", Fw32_send_sys_command
,
13541 Sw32_send_sys_command
, 1, 2, 0,
13542 doc
: /* Send frame a Windows WM_SYSCOMMAND message of type COMMAND.
13543 Some useful values for command are #xf030 to maximise frame (#xf020
13544 to minimize), #xf120 to restore frame to original size, and #xf100
13545 to activate the menubar for keyboard access. #xf140 activates the
13546 screen saver if defined.
13548 If optional parameter FRAME is not specified, use selected frame. */)
13550 Lisp_Object command
, frame
;
13552 FRAME_PTR f
= check_x_frame (frame
);
13554 CHECK_NUMBER (command
);
13556 PostMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, XINT (command
), 0);
13561 DEFUN ("w32-shell-execute", Fw32_shell_execute
, Sw32_shell_execute
, 2, 4, 0,
13562 doc
: /* Get Windows to perform OPERATION on DOCUMENT.
13563 This is a wrapper around the ShellExecute system function, which
13564 invokes the application registered to handle OPERATION for DOCUMENT.
13565 OPERATION is typically \"open\", \"print\" or \"explore\" (but can be
13566 nil for the default action), and DOCUMENT is typically the name of a
13567 document file or URL, but can also be a program executable to run or
13568 a directory to open in the Windows Explorer.
13570 If DOCUMENT is a program executable, PARAMETERS can be a string
13571 containing command line parameters, but otherwise should be nil.
13573 SHOW-FLAG can be used to control whether the invoked application is hidden
13574 or minimized. If SHOW-FLAG is nil, the application is displayed normally,
13575 otherwise it is an integer representing a ShowWindow flag:
13579 3 - start maximized
13580 6 - start minimized */)
13581 (operation
, document
, parameters
, show_flag
)
13582 Lisp_Object operation
, document
, parameters
, show_flag
;
13584 Lisp_Object current_dir
;
13586 CHECK_STRING (document
);
13588 /* Encode filename and current directory. */
13589 current_dir
= ENCODE_FILE (current_buffer
->directory
);
13590 document
= ENCODE_FILE (document
);
13591 if ((int) ShellExecute (NULL
,
13592 (STRINGP (operation
) ?
13593 SDATA (operation
) : NULL
),
13595 (STRINGP (parameters
) ?
13596 SDATA (parameters
) : NULL
),
13597 SDATA (current_dir
),
13598 (INTEGERP (show_flag
) ?
13599 XINT (show_flag
) : SW_SHOWDEFAULT
))
13602 error ("ShellExecute failed: %s", w32_strerror (0));
13605 /* Lookup virtual keycode from string representing the name of a
13606 non-ascii keystroke into the corresponding virtual key, using
13607 lispy_function_keys. */
13609 lookup_vk_code (char *key
)
13613 for (i
= 0; i
< 256; i
++)
13614 if (lispy_function_keys
[i
] != 0
13615 && strcmp (lispy_function_keys
[i
], key
) == 0)
13621 /* Convert a one-element vector style key sequence to a hot key
13624 w32_parse_hot_key (key
)
13627 /* Copied from Fdefine_key and store_in_keymap. */
13628 register Lisp_Object c
;
13630 int lisp_modifiers
;
13632 struct gcpro gcpro1
;
13634 CHECK_VECTOR (key
);
13636 if (XFASTINT (Flength (key
)) != 1)
13641 c
= Faref (key
, make_number (0));
13643 if (CONSP (c
) && lucid_event_type_list_p (c
))
13644 c
= Fevent_convert_list (c
);
13648 if (! INTEGERP (c
) && ! SYMBOLP (c
))
13649 error ("Key definition is invalid");
13651 /* Work out the base key and the modifiers. */
13654 c
= parse_modifiers (c
);
13655 lisp_modifiers
= Fcar (Fcdr (c
));
13659 vk_code
= lookup_vk_code (SDATA (SYMBOL_NAME (c
)));
13661 else if (INTEGERP (c
))
13663 lisp_modifiers
= XINT (c
) & ~CHARACTERBITS
;
13664 /* Many ascii characters are their own virtual key code. */
13665 vk_code
= XINT (c
) & CHARACTERBITS
;
13668 if (vk_code
< 0 || vk_code
> 255)
13671 if ((lisp_modifiers
& meta_modifier
) != 0
13672 && !NILP (Vw32_alt_is_meta
))
13673 lisp_modifiers
|= alt_modifier
;
13675 /* Supply defs missing from mingw32. */
13677 #define MOD_ALT 0x0001
13678 #define MOD_CONTROL 0x0002
13679 #define MOD_SHIFT 0x0004
13680 #define MOD_WIN 0x0008
13683 /* Convert lisp modifiers to Windows hot-key form. */
13684 w32_modifiers
= (lisp_modifiers
& hyper_modifier
) ? MOD_WIN
: 0;
13685 w32_modifiers
|= (lisp_modifiers
& alt_modifier
) ? MOD_ALT
: 0;
13686 w32_modifiers
|= (lisp_modifiers
& ctrl_modifier
) ? MOD_CONTROL
: 0;
13687 w32_modifiers
|= (lisp_modifiers
& shift_modifier
) ? MOD_SHIFT
: 0;
13689 return HOTKEY (vk_code
, w32_modifiers
);
13692 DEFUN ("w32-register-hot-key", Fw32_register_hot_key
,
13693 Sw32_register_hot_key
, 1, 1, 0,
13694 doc
: /* Register KEY as a hot-key combination.
13695 Certain key combinations like Alt-Tab are reserved for system use on
13696 Windows, and therefore are normally intercepted by the system. However,
13697 most of these key combinations can be received by registering them as
13698 hot-keys, overriding their special meaning.
13700 KEY must be a one element key definition in vector form that would be
13701 acceptable to `define-key' (e.g. [A-tab] for Alt-Tab). The meta
13702 modifier is interpreted as Alt if `w32-alt-is-meta' is t, and hyper
13703 is always interpreted as the Windows modifier keys.
13705 The return value is the hotkey-id if registered, otherwise nil. */)
13709 key
= w32_parse_hot_key (key
);
13711 if (NILP (Fmemq (key
, w32_grabbed_keys
)))
13713 /* Reuse an empty slot if possible. */
13714 Lisp_Object item
= Fmemq (Qnil
, w32_grabbed_keys
);
13716 /* Safe to add new key to list, even if we have focus. */
13718 w32_grabbed_keys
= Fcons (key
, w32_grabbed_keys
);
13720 XSETCAR (item
, key
);
13722 /* Notify input thread about new hot-key definition, so that it
13723 takes effect without needing to switch focus. */
13724 PostThreadMessage (dwWindowsThreadId
, WM_EMACS_REGISTER_HOT_KEY
,
13731 DEFUN ("w32-unregister-hot-key", Fw32_unregister_hot_key
,
13732 Sw32_unregister_hot_key
, 1, 1, 0,
13733 doc
: /* Unregister HOTKEY as a hot-key combination. */)
13739 if (!INTEGERP (key
))
13740 key
= w32_parse_hot_key (key
);
13742 item
= Fmemq (key
, w32_grabbed_keys
);
13746 /* Notify input thread about hot-key definition being removed, so
13747 that it takes effect without needing focus switch. */
13748 if (PostThreadMessage (dwWindowsThreadId
, WM_EMACS_UNREGISTER_HOT_KEY
,
13749 (WPARAM
) XINT (XCAR (item
)), (LPARAM
) item
))
13752 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
13759 DEFUN ("w32-registered-hot-keys", Fw32_registered_hot_keys
,
13760 Sw32_registered_hot_keys
, 0, 0, 0,
13761 doc
: /* Return list of registered hot-key IDs. */)
13764 return Fcopy_sequence (w32_grabbed_keys
);
13767 DEFUN ("w32-reconstruct-hot-key", Fw32_reconstruct_hot_key
,
13768 Sw32_reconstruct_hot_key
, 1, 1, 0,
13769 doc
: /* Convert hot-key ID to a lisp key combination. */)
13771 Lisp_Object hotkeyid
;
13773 int vk_code
, w32_modifiers
;
13776 CHECK_NUMBER (hotkeyid
);
13778 vk_code
= HOTKEY_VK_CODE (hotkeyid
);
13779 w32_modifiers
= HOTKEY_MODIFIERS (hotkeyid
);
13781 if (lispy_function_keys
[vk_code
])
13782 key
= intern (lispy_function_keys
[vk_code
]);
13784 key
= make_number (vk_code
);
13786 key
= Fcons (key
, Qnil
);
13787 if (w32_modifiers
& MOD_SHIFT
)
13788 key
= Fcons (Qshift
, key
);
13789 if (w32_modifiers
& MOD_CONTROL
)
13790 key
= Fcons (Qctrl
, key
);
13791 if (w32_modifiers
& MOD_ALT
)
13792 key
= Fcons (NILP (Vw32_alt_is_meta
) ? Qalt
: Qmeta
, key
);
13793 if (w32_modifiers
& MOD_WIN
)
13794 key
= Fcons (Qhyper
, key
);
13799 DEFUN ("w32-toggle-lock-key", Fw32_toggle_lock_key
,
13800 Sw32_toggle_lock_key
, 1, 2, 0,
13801 doc
: /* Toggle the state of the lock key KEY.
13802 KEY can be `capslock', `kp-numlock', or `scroll'.
13803 If the optional parameter NEW-STATE is a number, then the state of KEY
13804 is set to off if the low bit of NEW-STATE is zero, otherwise on. */)
13806 Lisp_Object key
, new_state
;
13810 if (EQ (key
, intern ("capslock")))
13811 vk_code
= VK_CAPITAL
;
13812 else if (EQ (key
, intern ("kp-numlock")))
13813 vk_code
= VK_NUMLOCK
;
13814 else if (EQ (key
, intern ("scroll")))
13815 vk_code
= VK_SCROLL
;
13819 if (!dwWindowsThreadId
)
13820 return make_number (w32_console_toggle_lock_key (vk_code
, new_state
));
13822 if (PostThreadMessage (dwWindowsThreadId
, WM_EMACS_TOGGLE_LOCK_KEY
,
13823 (WPARAM
) vk_code
, (LPARAM
) new_state
))
13826 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
13827 return make_number (msg
.wParam
);
13832 DEFUN ("file-system-info", Ffile_system_info
, Sfile_system_info
, 1, 1, 0,
13833 doc
: /* Return storage information about the file system FILENAME is on.
13834 Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total
13835 storage of the file system, FREE is the free storage, and AVAIL is the
13836 storage available to a non-superuser. All 3 numbers are in bytes.
13837 If the underlying system call fails, value is nil. */)
13839 Lisp_Object filename
;
13841 Lisp_Object encoded
, value
;
13843 CHECK_STRING (filename
);
13844 filename
= Fexpand_file_name (filename
, Qnil
);
13845 encoded
= ENCODE_FILE (filename
);
13849 /* Determining the required information on Windows turns out, sadly,
13850 to be more involved than one would hope. The original Win32 api
13851 call for this will return bogus information on some systems, but we
13852 must dynamically probe for the replacement api, since that was
13853 added rather late on. */
13855 HMODULE hKernel
= GetModuleHandle ("kernel32");
13856 BOOL (*pfn_GetDiskFreeSpaceEx
)
13857 (char *, PULARGE_INTEGER
, PULARGE_INTEGER
, PULARGE_INTEGER
)
13858 = (void *) GetProcAddress (hKernel
, "GetDiskFreeSpaceEx");
13860 /* On Windows, we may need to specify the root directory of the
13861 volume holding FILENAME. */
13862 char rootname
[MAX_PATH
];
13863 char *name
= SDATA (encoded
);
13865 /* find the root name of the volume if given */
13866 if (isalpha (name
[0]) && name
[1] == ':')
13868 rootname
[0] = name
[0];
13869 rootname
[1] = name
[1];
13870 rootname
[2] = '\\';
13873 else if (IS_DIRECTORY_SEP (name
[0]) && IS_DIRECTORY_SEP (name
[1]))
13875 char *str
= rootname
;
13879 if (IS_DIRECTORY_SEP (*name
) && --slashes
== 0)
13889 if (pfn_GetDiskFreeSpaceEx
)
13891 /* Unsigned large integers cannot be cast to double, so
13892 use signed ones instead. */
13893 LARGE_INTEGER availbytes
;
13894 LARGE_INTEGER freebytes
;
13895 LARGE_INTEGER totalbytes
;
13897 if (pfn_GetDiskFreeSpaceEx(rootname
,
13898 (ULARGE_INTEGER
*)&availbytes
,
13899 (ULARGE_INTEGER
*)&totalbytes
,
13900 (ULARGE_INTEGER
*)&freebytes
))
13901 value
= list3 (make_float ((double) totalbytes
.QuadPart
),
13902 make_float ((double) freebytes
.QuadPart
),
13903 make_float ((double) availbytes
.QuadPart
));
13907 DWORD sectors_per_cluster
;
13908 DWORD bytes_per_sector
;
13909 DWORD free_clusters
;
13910 DWORD total_clusters
;
13912 if (GetDiskFreeSpace(rootname
,
13913 §ors_per_cluster
,
13917 value
= list3 (make_float ((double) total_clusters
13918 * sectors_per_cluster
* bytes_per_sector
),
13919 make_float ((double) free_clusters
13920 * sectors_per_cluster
* bytes_per_sector
),
13921 make_float ((double) free_clusters
13922 * sectors_per_cluster
* bytes_per_sector
));
13929 /***********************************************************************
13931 ***********************************************************************/
13933 /* Keep this list in the same order as frame_parms in frame.c.
13934 Use 0 for unsupported frame parameters. */
13936 frame_parm_handler w32_frame_parm_handlers
[] =
13940 x_set_background_color
,
13941 x_set_border_color
,
13942 x_set_border_width
,
13943 x_set_cursor_color
,
13946 x_set_foreground_color
,
13949 x_set_internal_border_width
,
13950 x_set_menu_bar_lines
,
13952 x_explicitly_set_name
,
13953 x_set_scroll_bar_width
,
13955 x_set_unsplittable
,
13956 x_set_vertical_scroll_bars
,
13958 x_set_tool_bar_lines
,
13959 0, /* x_set_scroll_bar_foreground, */
13960 0, /* x_set_scroll_bar_background, */
13961 x_set_screen_gamma
,
13962 x_set_line_spacing
,
13963 x_set_fringe_width
,
13964 x_set_fringe_width
,
13965 0, /* x_set_wait_for_wm, */
13972 globals_of_w32fns ();
13973 /* This is zero if not using MS-Windows. */
13975 track_mouse_window
= NULL
;
13977 w32_visible_system_caret_hwnd
= NULL
;
13979 Qnone
= intern ("none");
13980 staticpro (&Qnone
);
13981 Qsuppress_icon
= intern ("suppress-icon");
13982 staticpro (&Qsuppress_icon
);
13983 Qundefined_color
= intern ("undefined-color");
13984 staticpro (&Qundefined_color
);
13985 Qcenter
= intern ("center");
13986 staticpro (&Qcenter
);
13987 Qcancel_timer
= intern ("cancel-timer");
13988 staticpro (&Qcancel_timer
);
13990 Qhyper
= intern ("hyper");
13991 staticpro (&Qhyper
);
13992 Qsuper
= intern ("super");
13993 staticpro (&Qsuper
);
13994 Qmeta
= intern ("meta");
13995 staticpro (&Qmeta
);
13996 Qalt
= intern ("alt");
13998 Qctrl
= intern ("ctrl");
13999 staticpro (&Qctrl
);
14000 Qcontrol
= intern ("control");
14001 staticpro (&Qcontrol
);
14002 Qshift
= intern ("shift");
14003 staticpro (&Qshift
);
14004 /* This is the end of symbol initialization. */
14006 /* Text property `display' should be nonsticky by default. */
14007 Vtext_property_default_nonsticky
14008 = Fcons (Fcons (Qdisplay
, Qt
), Vtext_property_default_nonsticky
);
14011 Qlaplace
= intern ("laplace");
14012 staticpro (&Qlaplace
);
14013 Qemboss
= intern ("emboss");
14014 staticpro (&Qemboss
);
14015 Qedge_detection
= intern ("edge-detection");
14016 staticpro (&Qedge_detection
);
14017 Qheuristic
= intern ("heuristic");
14018 staticpro (&Qheuristic
);
14019 QCmatrix
= intern (":matrix");
14020 staticpro (&QCmatrix
);
14021 QCcolor_adjustment
= intern (":color-adjustment");
14022 staticpro (&QCcolor_adjustment
);
14023 QCmask
= intern (":mask");
14024 staticpro (&QCmask
);
14026 Fput (Qundefined_color
, Qerror_conditions
,
14027 Fcons (Qundefined_color
, Fcons (Qerror
, Qnil
)));
14028 Fput (Qundefined_color
, Qerror_message
,
14029 build_string ("Undefined color"));
14031 staticpro (&w32_grabbed_keys
);
14032 w32_grabbed_keys
= Qnil
;
14034 DEFVAR_LISP ("w32-color-map", &Vw32_color_map
,
14035 doc
: /* An array of color name mappings for windows. */);
14036 Vw32_color_map
= Qnil
;
14038 DEFVAR_LISP ("w32-pass-alt-to-system", &Vw32_pass_alt_to_system
,
14039 doc
: /* Non-nil if alt key presses are passed on to Windows.
14040 When non-nil, for example, alt pressed and released and then space will
14041 open the System menu. When nil, Emacs silently swallows alt key events. */);
14042 Vw32_pass_alt_to_system
= Qnil
;
14044 DEFVAR_LISP ("w32-alt-is-meta", &Vw32_alt_is_meta
,
14045 doc
: /* Non-nil if the alt key is to be considered the same as the meta key.
14046 When nil, Emacs will translate the alt key to the Alt modifier, and not Meta. */);
14047 Vw32_alt_is_meta
= Qt
;
14049 DEFVAR_INT ("w32-quit-key", &Vw32_quit_key
,
14050 doc
: /* If non-zero, the virtual key code for an alternative quit key. */);
14051 XSETINT (Vw32_quit_key
, 0);
14053 DEFVAR_LISP ("w32-pass-lwindow-to-system",
14054 &Vw32_pass_lwindow_to_system
,
14055 doc
: /* Non-nil if the left \"Windows\" key is passed on to Windows.
14056 When non-nil, the Start menu is opened by tapping the key. */);
14057 Vw32_pass_lwindow_to_system
= Qt
;
14059 DEFVAR_LISP ("w32-pass-rwindow-to-system",
14060 &Vw32_pass_rwindow_to_system
,
14061 doc
: /* Non-nil if the right \"Windows\" key is passed on to Windows.
14062 When non-nil, the Start menu is opened by tapping the key. */);
14063 Vw32_pass_rwindow_to_system
= Qt
;
14065 DEFVAR_INT ("w32-phantom-key-code",
14066 &Vw32_phantom_key_code
,
14067 doc
: /* Virtual key code used to generate \"phantom\" key presses.
14068 Value is a number between 0 and 255.
14070 Phantom key presses are generated in order to stop the system from
14071 acting on \"Windows\" key events when `w32-pass-lwindow-to-system' or
14072 `w32-pass-rwindow-to-system' is nil. */);
14073 /* Although 255 is technically not a valid key code, it works and
14074 means that this hack won't interfere with any real key code. */
14075 Vw32_phantom_key_code
= 255;
14077 DEFVAR_LISP ("w32-enable-num-lock",
14078 &Vw32_enable_num_lock
,
14079 doc
: /* Non-nil if Num Lock should act normally.
14080 Set to nil to see Num Lock as the key `kp-numlock'. */);
14081 Vw32_enable_num_lock
= Qt
;
14083 DEFVAR_LISP ("w32-enable-caps-lock",
14084 &Vw32_enable_caps_lock
,
14085 doc
: /* Non-nil if Caps Lock should act normally.
14086 Set to nil to see Caps Lock as the key `capslock'. */);
14087 Vw32_enable_caps_lock
= Qt
;
14089 DEFVAR_LISP ("w32-scroll-lock-modifier",
14090 &Vw32_scroll_lock_modifier
,
14091 doc
: /* Modifier to use for the Scroll Lock on state.
14092 The value can be hyper, super, meta, alt, control or shift for the
14093 respective modifier, or nil to see Scroll Lock as the key `scroll'.
14094 Any other value will cause the key to be ignored. */);
14095 Vw32_scroll_lock_modifier
= Qt
;
14097 DEFVAR_LISP ("w32-lwindow-modifier",
14098 &Vw32_lwindow_modifier
,
14099 doc
: /* Modifier to use for the left \"Windows\" key.
14100 The value can be hyper, super, meta, alt, control or shift for the
14101 respective modifier, or nil to appear as the key `lwindow'.
14102 Any other value will cause the key to be ignored. */);
14103 Vw32_lwindow_modifier
= Qnil
;
14105 DEFVAR_LISP ("w32-rwindow-modifier",
14106 &Vw32_rwindow_modifier
,
14107 doc
: /* Modifier to use for the right \"Windows\" key.
14108 The value can be hyper, super, meta, alt, control or shift for the
14109 respective modifier, or nil to appear as the key `rwindow'.
14110 Any other value will cause the key to be ignored. */);
14111 Vw32_rwindow_modifier
= Qnil
;
14113 DEFVAR_LISP ("w32-apps-modifier",
14114 &Vw32_apps_modifier
,
14115 doc
: /* Modifier to use for the \"Apps\" key.
14116 The value can be hyper, super, meta, alt, control or shift for the
14117 respective modifier, or nil to appear as the key `apps'.
14118 Any other value will cause the key to be ignored. */);
14119 Vw32_apps_modifier
= Qnil
;
14121 DEFVAR_BOOL ("w32-enable-synthesized-fonts", &w32_enable_synthesized_fonts
,
14122 doc
: /* Non-nil enables selection of artificially italicized and bold fonts. */);
14123 w32_enable_synthesized_fonts
= 0;
14125 DEFVAR_LISP ("w32-enable-palette", &Vw32_enable_palette
,
14126 doc
: /* Non-nil enables Windows palette management to map colors exactly. */);
14127 Vw32_enable_palette
= Qt
;
14129 DEFVAR_INT ("w32-mouse-button-tolerance",
14130 &Vw32_mouse_button_tolerance
,
14131 doc
: /* Analogue of double click interval for faking middle mouse events.
14132 The value is the minimum time in milliseconds that must elapse between
14133 left/right button down events before they are considered distinct events.
14134 If both mouse buttons are depressed within this interval, a middle mouse
14135 button down event is generated instead. */);
14136 XSETINT (Vw32_mouse_button_tolerance
, GetDoubleClickTime () / 2);
14138 DEFVAR_INT ("w32-mouse-move-interval",
14139 &Vw32_mouse_move_interval
,
14140 doc
: /* Minimum interval between mouse move events.
14141 The value is the minimum time in milliseconds that must elapse between
14142 successive mouse move (or scroll bar drag) events before they are
14143 reported as lisp events. */);
14144 XSETINT (Vw32_mouse_move_interval
, 0);
14146 DEFVAR_BOOL ("w32-pass-extra-mouse-buttons-to-system",
14147 &w32_pass_extra_mouse_buttons_to_system
,
14148 doc
: /* Non-nil if the fourth and fifth mouse buttons are passed to Windows.
14149 Recent versions of Windows support mice with up to five buttons.
14150 Since most applications don't support these extra buttons, most mouse
14151 drivers will allow you to map them to functions at the system level.
14152 If this variable is non-nil, Emacs will pass them on, allowing the
14153 system to handle them. */);
14154 w32_pass_extra_mouse_buttons_to_system
= 0;
14156 DEFVAR_LISP ("x-bitmap-file-path", &Vx_bitmap_file_path
,
14157 doc
: /* List of directories to search for window system bitmap files. */);
14158 Vx_bitmap_file_path
= decode_env_path ((char *) 0, "PATH");
14160 DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape
,
14161 doc
: /* The shape of the pointer when over text.
14162 Changing the value does not affect existing frames
14163 unless you set the mouse color. */);
14164 Vx_pointer_shape
= Qnil
;
14166 Vx_nontext_pointer_shape
= Qnil
;
14168 Vx_mode_pointer_shape
= Qnil
;
14170 DEFVAR_LISP ("x-hourglass-pointer-shape", &Vx_hourglass_pointer_shape
,
14171 doc
: /* The shape of the pointer when Emacs is busy.
14172 This variable takes effect when you create a new frame
14173 or when you set the mouse color. */);
14174 Vx_hourglass_pointer_shape
= Qnil
;
14176 DEFVAR_BOOL ("display-hourglass", &display_hourglass_p
,
14177 doc
: /* Non-zero means Emacs displays an hourglass pointer on window systems. */);
14178 display_hourglass_p
= 1;
14180 DEFVAR_LISP ("hourglass-delay", &Vhourglass_delay
,
14181 doc
: /* *Seconds to wait before displaying an hourglass pointer.
14182 Value must be an integer or float. */);
14183 Vhourglass_delay
= make_number (DEFAULT_HOURGLASS_DELAY
);
14185 DEFVAR_LISP ("x-sensitive-text-pointer-shape",
14186 &Vx_sensitive_text_pointer_shape
,
14187 doc
: /* The shape of the pointer when over mouse-sensitive text.
14188 This variable takes effect when you create a new frame
14189 or when you set the mouse color. */);
14190 Vx_sensitive_text_pointer_shape
= Qnil
;
14192 DEFVAR_LISP ("x-window-horizontal-drag-cursor",
14193 &Vx_window_horizontal_drag_shape
,
14194 doc
: /* Pointer shape to use for indicating a window can be dragged horizontally.
14195 This variable takes effect when you create a new frame
14196 or when you set the mouse color. */);
14197 Vx_window_horizontal_drag_shape
= Qnil
;
14199 DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel
,
14200 doc
: /* A string indicating the foreground color of the cursor box. */);
14201 Vx_cursor_fore_pixel
= Qnil
;
14203 DEFVAR_LISP ("x-max-tooltip-size", &Vx_max_tooltip_size
,
14204 doc
: /* Maximum size for tooltips.
14205 Value is a pair (COLUMNS . ROWS). Text larger than this is clipped. */);
14206 Vx_max_tooltip_size
= Fcons (make_number (80), make_number (40));
14208 DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager
,
14209 doc
: /* Non-nil if no window manager is in use.
14210 Emacs doesn't try to figure this out; this is always nil
14211 unless you set it to something else. */);
14212 /* We don't have any way to find this out, so set it to nil
14213 and maybe the user would like to set it to t. */
14214 Vx_no_window_manager
= Qnil
;
14216 DEFVAR_LISP ("x-pixel-size-width-font-regexp",
14217 &Vx_pixel_size_width_font_regexp
,
14218 doc
: /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.
14220 Since Emacs gets width of a font matching with this regexp from
14221 PIXEL_SIZE field of the name, font finding mechanism gets faster for
14222 such a font. This is especially effective for such large fonts as
14223 Chinese, Japanese, and Korean. */);
14224 Vx_pixel_size_width_font_regexp
= Qnil
;
14226 DEFVAR_LISP ("image-cache-eviction-delay", &Vimage_cache_eviction_delay
,
14227 doc
: /* Time after which cached images are removed from the cache.
14228 When an image has not been displayed this many seconds, remove it
14229 from the image cache. Value must be an integer or nil with nil
14230 meaning don't clear the cache. */);
14231 Vimage_cache_eviction_delay
= make_number (30 * 60);
14233 DEFVAR_LISP ("w32-bdf-filename-alist",
14234 &Vw32_bdf_filename_alist
,
14235 doc
: /* List of bdf fonts and their corresponding filenames. */);
14236 Vw32_bdf_filename_alist
= Qnil
;
14238 DEFVAR_BOOL ("w32-strict-fontnames",
14239 &w32_strict_fontnames
,
14240 doc
: /* Non-nil means only use fonts that are exact matches for those requested.
14241 Default is nil, which allows old fontnames that are not XLFD compliant,
14242 and allows third-party CJK display to work by specifying false charset
14243 fields to trick Emacs into translating to Big5, SJIS etc.
14244 Setting this to t will prevent wrong fonts being selected when
14245 fontsets are automatically created. */);
14246 w32_strict_fontnames
= 0;
14248 DEFVAR_BOOL ("w32-strict-painting",
14249 &w32_strict_painting
,
14250 doc
: /* Non-nil means use strict rules for repainting frames.
14251 Set this to nil to get the old behaviour for repainting; this should
14252 only be necessary if the default setting causes problems. */);
14253 w32_strict_painting
= 1;
14255 DEFVAR_LISP ("w32-charset-info-alist",
14256 &Vw32_charset_info_alist
,
14257 doc
: /* Alist linking Emacs character sets to Windows fonts and codepages.
14258 Each entry should be of the form:
14260 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE))
14262 where CHARSET_NAME is a string used in font names to identify the charset,
14263 WINDOWS_CHARSET is a symbol that can be one of:
14264 w32-charset-ansi, w32-charset-default, w32-charset-symbol,
14265 w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312,
14266 w32-charset-chinesebig5,
14267 w32-charset-johab, w32-charset-hebrew,
14268 w32-charset-arabic, w32-charset-greek, w32-charset-turkish,
14269 w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope,
14270 w32-charset-russian, w32-charset-mac, w32-charset-baltic,
14271 w32-charset-unicode,
14272 or w32-charset-oem.
14273 CODEPAGE should be an integer specifying the codepage that should be used
14274 to display the character set, t to do no translation and output as Unicode,
14275 or nil to do no translation and output as 8 bit (or multibyte on far-east
14276 versions of Windows) characters. */);
14277 Vw32_charset_info_alist
= Qnil
;
14279 staticpro (&Qw32_charset_ansi
);
14280 Qw32_charset_ansi
= intern ("w32-charset-ansi");
14281 staticpro (&Qw32_charset_symbol
);
14282 Qw32_charset_symbol
= intern ("w32-charset-symbol");
14283 staticpro (&Qw32_charset_shiftjis
);
14284 Qw32_charset_shiftjis
= intern ("w32-charset-shiftjis");
14285 staticpro (&Qw32_charset_hangeul
);
14286 Qw32_charset_hangeul
= intern ("w32-charset-hangeul");
14287 staticpro (&Qw32_charset_chinesebig5
);
14288 Qw32_charset_chinesebig5
= intern ("w32-charset-chinesebig5");
14289 staticpro (&Qw32_charset_gb2312
);
14290 Qw32_charset_gb2312
= intern ("w32-charset-gb2312");
14291 staticpro (&Qw32_charset_oem
);
14292 Qw32_charset_oem
= intern ("w32-charset-oem");
14294 #ifdef JOHAB_CHARSET
14296 static int w32_extra_charsets_defined
= 1;
14297 DEFVAR_BOOL ("w32-extra-charsets-defined", &w32_extra_charsets_defined
,
14298 doc
: /* Internal variable. */);
14300 staticpro (&Qw32_charset_johab
);
14301 Qw32_charset_johab
= intern ("w32-charset-johab");
14302 staticpro (&Qw32_charset_easteurope
);
14303 Qw32_charset_easteurope
= intern ("w32-charset-easteurope");
14304 staticpro (&Qw32_charset_turkish
);
14305 Qw32_charset_turkish
= intern ("w32-charset-turkish");
14306 staticpro (&Qw32_charset_baltic
);
14307 Qw32_charset_baltic
= intern ("w32-charset-baltic");
14308 staticpro (&Qw32_charset_russian
);
14309 Qw32_charset_russian
= intern ("w32-charset-russian");
14310 staticpro (&Qw32_charset_arabic
);
14311 Qw32_charset_arabic
= intern ("w32-charset-arabic");
14312 staticpro (&Qw32_charset_greek
);
14313 Qw32_charset_greek
= intern ("w32-charset-greek");
14314 staticpro (&Qw32_charset_hebrew
);
14315 Qw32_charset_hebrew
= intern ("w32-charset-hebrew");
14316 staticpro (&Qw32_charset_vietnamese
);
14317 Qw32_charset_vietnamese
= intern ("w32-charset-vietnamese");
14318 staticpro (&Qw32_charset_thai
);
14319 Qw32_charset_thai
= intern ("w32-charset-thai");
14320 staticpro (&Qw32_charset_mac
);
14321 Qw32_charset_mac
= intern ("w32-charset-mac");
14325 #ifdef UNICODE_CHARSET
14327 static int w32_unicode_charset_defined
= 1;
14328 DEFVAR_BOOL ("w32-unicode-charset-defined",
14329 &w32_unicode_charset_defined
,
14330 doc
: /* Internal variable. */);
14332 staticpro (&Qw32_charset_unicode
);
14333 Qw32_charset_unicode
= intern ("w32-charset-unicode");
14336 #if 0 /* TODO: Port to W32 */
14337 defsubr (&Sx_change_window_property
);
14338 defsubr (&Sx_delete_window_property
);
14339 defsubr (&Sx_window_property
);
14341 defsubr (&Sxw_display_color_p
);
14342 defsubr (&Sx_display_grayscale_p
);
14343 defsubr (&Sxw_color_defined_p
);
14344 defsubr (&Sxw_color_values
);
14345 defsubr (&Sx_server_max_request_size
);
14346 defsubr (&Sx_server_vendor
);
14347 defsubr (&Sx_server_version
);
14348 defsubr (&Sx_display_pixel_width
);
14349 defsubr (&Sx_display_pixel_height
);
14350 defsubr (&Sx_display_mm_width
);
14351 defsubr (&Sx_display_mm_height
);
14352 defsubr (&Sx_display_screens
);
14353 defsubr (&Sx_display_planes
);
14354 defsubr (&Sx_display_color_cells
);
14355 defsubr (&Sx_display_visual_class
);
14356 defsubr (&Sx_display_backing_store
);
14357 defsubr (&Sx_display_save_under
);
14358 defsubr (&Sx_create_frame
);
14359 defsubr (&Sx_open_connection
);
14360 defsubr (&Sx_close_connection
);
14361 defsubr (&Sx_display_list
);
14362 defsubr (&Sx_synchronize
);
14364 /* W32 specific functions */
14366 defsubr (&Sw32_focus_frame
);
14367 defsubr (&Sw32_select_font
);
14368 defsubr (&Sw32_define_rgb_color
);
14369 defsubr (&Sw32_default_color_map
);
14370 defsubr (&Sw32_load_color_file
);
14371 defsubr (&Sw32_send_sys_command
);
14372 defsubr (&Sw32_shell_execute
);
14373 defsubr (&Sw32_register_hot_key
);
14374 defsubr (&Sw32_unregister_hot_key
);
14375 defsubr (&Sw32_registered_hot_keys
);
14376 defsubr (&Sw32_reconstruct_hot_key
);
14377 defsubr (&Sw32_toggle_lock_key
);
14378 defsubr (&Sw32_find_bdf_fonts
);
14380 defsubr (&Sfile_system_info
);
14382 /* Setting callback functions for fontset handler. */
14383 get_font_info_func
= w32_get_font_info
;
14385 #if 0 /* This function pointer doesn't seem to be used anywhere.
14386 And the pointer assigned has the wrong type, anyway. */
14387 list_fonts_func
= w32_list_fonts
;
14390 load_font_func
= w32_load_font
;
14391 find_ccl_program_func
= w32_find_ccl_program
;
14392 query_font_func
= w32_query_font
;
14393 set_frame_fontset_func
= x_set_font
;
14394 check_window_system_func
= check_w32
;
14397 Qxbm
= intern ("xbm");
14399 QCconversion
= intern (":conversion");
14400 staticpro (&QCconversion
);
14401 QCheuristic_mask
= intern (":heuristic-mask");
14402 staticpro (&QCheuristic_mask
);
14403 QCcolor_symbols
= intern (":color-symbols");
14404 staticpro (&QCcolor_symbols
);
14405 QCascent
= intern (":ascent");
14406 staticpro (&QCascent
);
14407 QCmargin
= intern (":margin");
14408 staticpro (&QCmargin
);
14409 QCrelief
= intern (":relief");
14410 staticpro (&QCrelief
);
14411 Qpostscript
= intern ("postscript");
14412 staticpro (&Qpostscript
);
14413 QCloader
= intern (":loader");
14414 staticpro (&QCloader
);
14415 QCbounding_box
= intern (":bounding-box");
14416 staticpro (&QCbounding_box
);
14417 QCpt_width
= intern (":pt-width");
14418 staticpro (&QCpt_width
);
14419 QCpt_height
= intern (":pt-height");
14420 staticpro (&QCpt_height
);
14421 QCindex
= intern (":index");
14422 staticpro (&QCindex
);
14423 Qpbm
= intern ("pbm");
14427 Qxpm
= intern ("xpm");
14432 Qjpeg
= intern ("jpeg");
14433 staticpro (&Qjpeg
);
14437 Qtiff
= intern ("tiff");
14438 staticpro (&Qtiff
);
14442 Qgif
= intern ("gif");
14447 Qpng
= intern ("png");
14451 defsubr (&Sclear_image_cache
);
14452 defsubr (&Simage_size
);
14453 defsubr (&Simage_mask_p
);
14455 hourglass_atimer
= NULL
;
14456 hourglass_shown_p
= 0;
14457 defsubr (&Sx_show_tip
);
14458 defsubr (&Sx_hide_tip
);
14460 staticpro (&tip_timer
);
14462 staticpro (&tip_frame
);
14464 last_show_tip_args
= Qnil
;
14465 staticpro (&last_show_tip_args
);
14467 defsubr (&Sx_file_dialog
);
14472 globals_of_w32fns is used to initialize those global variables that
14473 must always be initialized on startup even when the global variable
14474 initialized is non zero (see the function main in emacs.c).
14475 globals_of_w32fns is called from syms_of_w32fns when the global
14476 variable initialized is 0 and directly from main when initialized
14479 void globals_of_w32fns ()
14481 HMODULE user32_lib
= GetModuleHandle ("user32.dll");
14483 TrackMouseEvent not available in all versions of Windows, so must load
14484 it dynamically. Do it once, here, instead of every time it is used.
14486 track_mouse_event_fn
= (TrackMouseEvent_Proc
)
14487 GetProcAddress (user32_lib
, "TrackMouseEvent");
14488 /* ditto for GetClipboardSequenceNumber. */
14489 clipboard_sequence_fn
= (ClipboardSequence_Proc
)
14490 GetProcAddress (user32_lib
, "GetClipboardSequenceNumber");
14493 /* Initialize image types. Based on which libraries are available. */
14495 init_external_image_libraries ()
14500 if ((library
= LoadLibrary ("libXpm.dll")))
14502 if (init_xpm_functions (library
))
14503 define_image_type (&xpm_type
);
14509 /* Try loading jpeg library under probable names. */
14510 if ((library
= LoadLibrary ("libjpeg.dll"))
14511 || (library
= LoadLibrary ("jpeg-62.dll"))
14512 || (library
= LoadLibrary ("jpeg.dll")))
14514 if (init_jpeg_functions (library
))
14515 define_image_type (&jpeg_type
);
14520 if (library
= LoadLibrary ("libtiff.dll"))
14522 if (init_tiff_functions (library
))
14523 define_image_type (&tiff_type
);
14528 if (library
= LoadLibrary ("libungif.dll"))
14530 if (init_gif_functions (library
))
14531 define_image_type (&gif_type
);
14536 /* Ensure zlib is loaded. Try debug version first. */
14537 if (!LoadLibrary ("zlibd.dll"))
14538 LoadLibrary ("zlib.dll");
14540 /* Try loading libpng under probable names. */
14541 if ((library
= LoadLibrary ("libpng13d.dll"))
14542 || (library
= LoadLibrary ("libpng13.dll"))
14543 || (library
= LoadLibrary ("libpng12d.dll"))
14544 || (library
= LoadLibrary ("libpng12.dll"))
14545 || (library
= LoadLibrary ("libpng.dll")))
14547 if (init_png_functions (library
))
14548 define_image_type (&png_type
);
14556 image_types
= NULL
;
14557 Vimage_types
= Qnil
;
14559 define_image_type (&pbm_type
);
14560 define_image_type (&xbm_type
);
14562 #if 0 /* TODO : Ghostscript support for W32 */
14563 define_image_type (&gs_type
);
14566 /* Image types that rely on external libraries are loaded dynamically
14567 if the library is available. */
14568 init_external_image_libraries ();
14577 button
= MessageBox (NULL
,
14578 "A fatal error has occurred!\n\n"
14579 "Select Abort to exit, Retry to debug, Ignore to continue",
14580 "Emacs Abort Dialog",
14581 MB_ICONEXCLAMATION
| MB_TASKMODAL
14582 | MB_SETFOREGROUND
| MB_ABORTRETRYIGNORE
);
14597 /* For convenience when debugging. */
14601 return GetLastError ();
14604 /* arch-tag: 707589ab-b9be-4638-8cdd-74629cc9b446
14605 (do not change this comment) */