(cl-macroexpand-all): Fix code-walk for
[emacs.git] / src / w32fns.c
blobb82814bca72b8d992e9b76dde66f3f07e6c17e33
1 /* Graphical user interface functions for the Microsoft W32 API.
2 Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005 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)
10 any later version.
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., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
22 /* Added by Kevin Gallo */
24 #include <config.h>
26 #include <signal.h>
27 #include <stdio.h>
28 #include <limits.h>
29 #include <errno.h>
31 #include "lisp.h"
32 #include "charset.h"
33 #include "dispextern.h"
34 #include "w32term.h"
35 #include "keyboard.h"
36 #include "frame.h"
37 #include "window.h"
38 #include "buffer.h"
39 #include "fontset.h"
40 #include "intervals.h"
41 #include "blockinput.h"
42 #include "epaths.h"
43 #include "w32heap.h"
44 #include "termhooks.h"
45 #include "coding.h"
46 #include "ccl.h"
47 #include "systime.h"
49 #include "bitmaps/gray.xbm"
51 #include <commdlg.h>
52 #include <shellapi.h>
53 #include <ctype.h>
54 #include <winspool.h>
56 #include <dlgs.h>
57 #define FILE_NAME_TEXT_FIELD edt1
59 void syms_of_w32fns ();
60 void globals_of_w32fns ();
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));
67 extern XCharStruct *w32_per_char_metric P_ ((XFontStruct *, wchar_t *, int));
69 extern int quit_char;
71 extern char *lispy_function_keys[];
73 /* The gray bitmap `bitmaps/gray'. This is done because w32term.c uses
74 it, and including `bitmaps/gray' more than once is a problem when
75 config.h defines `static' as an empty replacement string. */
77 int gray_bitmap_width = gray_width;
78 int gray_bitmap_height = gray_height;
79 unsigned char *gray_bitmap_bits = gray_bits;
81 /* The colormap for converting color names to RGB values */
82 Lisp_Object Vw32_color_map;
84 /* Non nil if alt key presses are passed on to Windows. */
85 Lisp_Object Vw32_pass_alt_to_system;
87 /* Non nil if alt key is translated to meta_modifier, nil if it is translated
88 to alt_modifier. */
89 Lisp_Object Vw32_alt_is_meta;
91 /* If non-zero, the windows virtual key code for an alternative quit key. */
92 int w32_quit_key;
94 /* Non nil if left window key events are passed on to Windows (this only
95 affects whether "tapping" the key opens the Start menu). */
96 Lisp_Object Vw32_pass_lwindow_to_system;
98 /* Non nil if right window key events are passed on to Windows (this
99 only affects whether "tapping" the key opens the Start menu). */
100 Lisp_Object Vw32_pass_rwindow_to_system;
102 /* Virtual key code used to generate "phantom" key presses in order
103 to stop system from acting on Windows key events. */
104 Lisp_Object Vw32_phantom_key_code;
106 /* Modifier associated with the left "Windows" key, or nil to act as a
107 normal key. */
108 Lisp_Object Vw32_lwindow_modifier;
110 /* Modifier associated with the right "Windows" key, or nil to act as a
111 normal key. */
112 Lisp_Object Vw32_rwindow_modifier;
114 /* Modifier associated with the "Apps" key, or nil to act as a normal
115 key. */
116 Lisp_Object Vw32_apps_modifier;
118 /* Value is nil if Num Lock acts as a function key. */
119 Lisp_Object Vw32_enable_num_lock;
121 /* Value is nil if Caps Lock acts as a function key. */
122 Lisp_Object Vw32_enable_caps_lock;
124 /* Modifier associated with Scroll Lock, or nil to act as a normal key. */
125 Lisp_Object Vw32_scroll_lock_modifier;
127 /* Switch to control whether we inhibit requests for synthesized bold
128 and italic versions of fonts. */
129 int w32_enable_synthesized_fonts;
131 /* Enable palette management. */
132 Lisp_Object Vw32_enable_palette;
134 /* Control how close left/right button down events must be to
135 be converted to a middle button down event. */
136 int w32_mouse_button_tolerance;
138 /* Minimum interval between mouse movement (and scroll bar drag)
139 events that are passed on to the event loop. */
140 int w32_mouse_move_interval;
142 /* Flag to indicate if XBUTTON events should be passed on to Windows. */
143 int w32_pass_extra_mouse_buttons_to_system;
145 /* Non nil if no window manager is in use. */
146 Lisp_Object Vx_no_window_manager;
148 /* Non-zero means we're allowed to display a hourglass pointer. */
150 int display_hourglass_p;
152 /* The background and shape of the mouse pointer, and shape when not
153 over text or in the modeline. */
155 Lisp_Object Vx_pointer_shape, Vx_nontext_pointer_shape, Vx_mode_pointer_shape;
156 Lisp_Object Vx_hourglass_pointer_shape, Vx_window_horizontal_drag_shape;
158 /* The shape when over mouse-sensitive text. */
160 Lisp_Object Vx_sensitive_text_pointer_shape;
162 #ifndef IDC_HAND
163 #define IDC_HAND MAKEINTRESOURCE(32649)
164 #endif
166 /* Color of chars displayed in cursor box. */
168 Lisp_Object Vx_cursor_fore_pixel;
170 /* Nonzero if using Windows. */
172 static int w32_in_use;
174 /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'. */
176 Lisp_Object Vx_pixel_size_width_font_regexp;
178 /* Alist of bdf fonts and the files that define them. */
179 Lisp_Object Vw32_bdf_filename_alist;
181 /* A flag to control whether fonts are matched strictly or not. */
182 int w32_strict_fontnames;
184 /* A flag to control whether we should only repaint if GetUpdateRect
185 indicates there is an update region. */
186 int w32_strict_painting;
188 /* Associative list linking character set strings to Windows codepages. */
189 Lisp_Object Vw32_charset_info_alist;
191 /* VIETNAMESE_CHARSET is not defined in some versions of MSVC. */
192 #ifndef VIETNAMESE_CHARSET
193 #define VIETNAMESE_CHARSET 163
194 #endif
196 Lisp_Object Qnone;
197 Lisp_Object Qsuppress_icon;
198 Lisp_Object Qundefined_color;
199 Lisp_Object Qcancel_timer;
200 Lisp_Object Qhyper;
201 Lisp_Object Qsuper;
202 Lisp_Object Qmeta;
203 Lisp_Object Qalt;
204 Lisp_Object Qctrl;
205 Lisp_Object Qcontrol;
206 Lisp_Object Qshift;
208 Lisp_Object Qw32_charset_ansi;
209 Lisp_Object Qw32_charset_default;
210 Lisp_Object Qw32_charset_symbol;
211 Lisp_Object Qw32_charset_shiftjis;
212 Lisp_Object Qw32_charset_hangeul;
213 Lisp_Object Qw32_charset_gb2312;
214 Lisp_Object Qw32_charset_chinesebig5;
215 Lisp_Object Qw32_charset_oem;
217 #ifndef JOHAB_CHARSET
218 #define JOHAB_CHARSET 130
219 #endif
220 #ifdef JOHAB_CHARSET
221 Lisp_Object Qw32_charset_easteurope;
222 Lisp_Object Qw32_charset_turkish;
223 Lisp_Object Qw32_charset_baltic;
224 Lisp_Object Qw32_charset_russian;
225 Lisp_Object Qw32_charset_arabic;
226 Lisp_Object Qw32_charset_greek;
227 Lisp_Object Qw32_charset_hebrew;
228 Lisp_Object Qw32_charset_vietnamese;
229 Lisp_Object Qw32_charset_thai;
230 Lisp_Object Qw32_charset_johab;
231 Lisp_Object Qw32_charset_mac;
232 #endif
234 #ifdef UNICODE_CHARSET
235 Lisp_Object Qw32_charset_unicode;
236 #endif
238 /* The ANSI codepage. */
239 int w32_ansi_code_page;
241 /* Prefix for system colors. */
242 #define SYSTEM_COLOR_PREFIX "System"
243 #define SYSTEM_COLOR_PREFIX_LEN (sizeof (SYSTEM_COLOR_PREFIX) - 1)
245 /* State variables for emulating a three button mouse. */
246 #define LMOUSE 1
247 #define MMOUSE 2
248 #define RMOUSE 4
250 static int button_state = 0;
251 static W32Msg saved_mouse_button_msg;
252 static unsigned mouse_button_timer = 0; /* non-zero when timer is active */
253 static W32Msg saved_mouse_move_msg;
254 static unsigned mouse_move_timer = 0;
256 /* Window that is tracking the mouse. */
257 static HWND track_mouse_window;
259 typedef BOOL (WINAPI * TrackMouseEvent_Proc)
260 (IN OUT LPTRACKMOUSEEVENT lpEventTrack);
262 TrackMouseEvent_Proc track_mouse_event_fn = NULL;
263 ClipboardSequence_Proc clipboard_sequence_fn = NULL;
264 extern AppendMenuW_Proc unicode_append_menu;
266 /* W95 mousewheel handler */
267 unsigned int msh_mousewheel = 0;
269 /* Timers */
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
274 is received. */
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;
282 #ifdef GLYPH_DEBUG
283 int image_cache_refcount, dpyinfo_refcount;
284 #endif
287 /* From w32term.c. */
288 extern int w32_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. */
302 void
303 check_w32 ()
305 if (! w32_in_use)
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. */
313 have_menus_p ()
315 return w32_in_use;
318 /* Extract a frame as a FRAME_PTR, defaulting to the selected frame
319 and checking validity for W32. */
321 FRAME_PTR
322 check_x_frame (frame)
323 Lisp_Object frame;
325 FRAME_PTR f;
327 if (NILP (frame))
328 frame = selected_frame;
329 CHECK_LIVE_FRAME (frame);
330 f = XFRAME (frame);
331 if (! FRAME_W32_P (f))
332 error ("Non-W32 frame used");
333 return f;
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)
342 Lisp_Object frame;
344 if (NILP (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);
350 else
351 return &one_w32_display_info;
353 else if (STRINGP (frame))
354 return x_display_info_for_name (frame);
355 else
357 FRAME_PTR f;
359 CHECK_LIVE_FRAME (frame);
360 f = XFRAME (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. */
372 struct frame *
373 x_window_to_frame (dpyinfo, wdesc)
374 struct w32_display_info *dpyinfo;
375 HWND wdesc;
377 Lisp_Object tail, frame;
378 struct frame *f;
380 for (tail = Vframe_list; GC_CONSP (tail); tail = XCDR (tail))
382 frame = XCAR (tail);
383 if (!GC_FRAMEP (frame))
384 continue;
385 f = XFRAME (frame);
386 if (!FRAME_W32_P (f) || FRAME_W32_DISPLAY_INFO (f) != dpyinfo)
387 continue;
388 if (f->output_data.w32->hourglass_window == wdesc)
389 return f;
391 if (FRAME_W32_WINDOW (f) == wdesc)
392 return f;
394 return 0;
398 static Lisp_Object unwind_create_frame P_ ((Lisp_Object));
399 static Lisp_Object unwind_create_tip_frame P_ ((Lisp_Object));
400 static void my_create_window P_ ((struct frame *));
401 static void my_create_tip_window P_ ((struct frame *));
403 /* TODO: Native Input Method support; see x_create_im. */
404 void x_set_foreground_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
405 void x_set_background_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
406 void x_set_mouse_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
407 void x_set_cursor_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
408 void x_set_border_color P_ ((struct frame *, Lisp_Object, Lisp_Object));
409 void x_set_cursor_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
410 void x_set_icon_type P_ ((struct frame *, Lisp_Object, Lisp_Object));
411 void x_set_icon_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
412 void x_explicitly_set_name P_ ((struct frame *, Lisp_Object, Lisp_Object));
413 void x_set_menu_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
414 void x_set_title P_ ((struct frame *, Lisp_Object, Lisp_Object));
415 void x_set_tool_bar_lines P_ ((struct frame *, Lisp_Object, Lisp_Object));
416 static void x_edge_detection P_ ((struct frame *, struct image *, Lisp_Object,
417 Lisp_Object));
422 /* Store the screen positions of frame F into XPTR and YPTR.
423 These are the positions of the containing window manager window,
424 not Emacs's own window. */
426 void
427 x_real_positions (f, xptr, yptr)
428 FRAME_PTR f;
429 int *xptr, *yptr;
431 POINT pt;
432 RECT rect;
434 GetClientRect(FRAME_W32_WINDOW(f), &rect);
435 AdjustWindowRect(&rect, f->output_data.w32->dwStyle, FRAME_EXTERNAL_MENU_BAR(f));
437 pt.x = rect.left;
438 pt.y = rect.top;
440 ClientToScreen (FRAME_W32_WINDOW(f), &pt);
442 /* Remember x_pixels_diff and y_pixels_diff. */
443 f->x_pixels_diff = pt.x - rect.left;
444 f->y_pixels_diff = pt.y - rect.top;
446 *xptr = pt.x;
447 *yptr = pt.y;
452 DEFUN ("w32-define-rgb-color", Fw32_define_rgb_color,
453 Sw32_define_rgb_color, 4, 4, 0,
454 doc: /* Convert RGB numbers to a windows color reference and associate with NAME.
455 This adds or updates a named color to w32-color-map, making it
456 available for use. The original entry's RGB ref is returned, or nil
457 if the entry is new. */)
458 (red, green, blue, name)
459 Lisp_Object red, green, blue, name;
461 Lisp_Object rgb;
462 Lisp_Object oldrgb = Qnil;
463 Lisp_Object entry;
465 CHECK_NUMBER (red);
466 CHECK_NUMBER (green);
467 CHECK_NUMBER (blue);
468 CHECK_STRING (name);
470 XSETINT (rgb, RGB(XUINT (red), XUINT (green), XUINT (blue)));
472 BLOCK_INPUT;
474 /* replace existing entry in w32-color-map or add new entry. */
475 entry = Fassoc (name, Vw32_color_map);
476 if (NILP (entry))
478 entry = Fcons (name, rgb);
479 Vw32_color_map = Fcons (entry, Vw32_color_map);
481 else
483 oldrgb = Fcdr (entry);
484 Fsetcdr (entry, rgb);
487 UNBLOCK_INPUT;
489 return (oldrgb);
492 DEFUN ("w32-load-color-file", Fw32_load_color_file,
493 Sw32_load_color_file, 1, 1, 0,
494 doc: /* Create an alist of color entries from an external file.
495 Assign this value to w32-color-map to replace the existing color map.
497 The file should define one named RGB color per line like so:
498 R G B name
499 where R,G,B are numbers between 0 and 255 and name is an arbitrary string. */)
500 (filename)
501 Lisp_Object filename;
503 FILE *fp;
504 Lisp_Object cmap = Qnil;
505 Lisp_Object abspath;
507 CHECK_STRING (filename);
508 abspath = Fexpand_file_name (filename, Qnil);
510 fp = fopen (SDATA (filename), "rt");
511 if (fp)
513 char buf[512];
514 int red, green, blue;
515 int num;
517 BLOCK_INPUT;
519 while (fgets (buf, sizeof (buf), fp) != NULL) {
520 if (sscanf (buf, "%u %u %u %n", &red, &green, &blue, &num) == 3)
522 char *name = buf + num;
523 num = strlen (name) - 1;
524 if (name[num] == '\n')
525 name[num] = 0;
526 cmap = Fcons (Fcons (build_string (name),
527 make_number (RGB (red, green, blue))),
528 cmap);
531 fclose (fp);
533 UNBLOCK_INPUT;
536 return cmap;
539 /* The default colors for the w32 color map */
540 typedef struct colormap_t
542 char *name;
543 COLORREF colorref;
544 } colormap_t;
546 colormap_t w32_color_map[] =
548 {"snow" , PALETTERGB (255,250,250)},
549 {"ghost white" , PALETTERGB (248,248,255)},
550 {"GhostWhite" , PALETTERGB (248,248,255)},
551 {"white smoke" , PALETTERGB (245,245,245)},
552 {"WhiteSmoke" , PALETTERGB (245,245,245)},
553 {"gainsboro" , PALETTERGB (220,220,220)},
554 {"floral white" , PALETTERGB (255,250,240)},
555 {"FloralWhite" , PALETTERGB (255,250,240)},
556 {"old lace" , PALETTERGB (253,245,230)},
557 {"OldLace" , PALETTERGB (253,245,230)},
558 {"linen" , PALETTERGB (250,240,230)},
559 {"antique white" , PALETTERGB (250,235,215)},
560 {"AntiqueWhite" , PALETTERGB (250,235,215)},
561 {"papaya whip" , PALETTERGB (255,239,213)},
562 {"PapayaWhip" , PALETTERGB (255,239,213)},
563 {"blanched almond" , PALETTERGB (255,235,205)},
564 {"BlanchedAlmond" , PALETTERGB (255,235,205)},
565 {"bisque" , PALETTERGB (255,228,196)},
566 {"peach puff" , PALETTERGB (255,218,185)},
567 {"PeachPuff" , PALETTERGB (255,218,185)},
568 {"navajo white" , PALETTERGB (255,222,173)},
569 {"NavajoWhite" , PALETTERGB (255,222,173)},
570 {"moccasin" , PALETTERGB (255,228,181)},
571 {"cornsilk" , PALETTERGB (255,248,220)},
572 {"ivory" , PALETTERGB (255,255,240)},
573 {"lemon chiffon" , PALETTERGB (255,250,205)},
574 {"LemonChiffon" , PALETTERGB (255,250,205)},
575 {"seashell" , PALETTERGB (255,245,238)},
576 {"honeydew" , PALETTERGB (240,255,240)},
577 {"mint cream" , PALETTERGB (245,255,250)},
578 {"MintCream" , PALETTERGB (245,255,250)},
579 {"azure" , PALETTERGB (240,255,255)},
580 {"alice blue" , PALETTERGB (240,248,255)},
581 {"AliceBlue" , PALETTERGB (240,248,255)},
582 {"lavender" , PALETTERGB (230,230,250)},
583 {"lavender blush" , PALETTERGB (255,240,245)},
584 {"LavenderBlush" , PALETTERGB (255,240,245)},
585 {"misty rose" , PALETTERGB (255,228,225)},
586 {"MistyRose" , PALETTERGB (255,228,225)},
587 {"white" , PALETTERGB (255,255,255)},
588 {"black" , PALETTERGB ( 0, 0, 0)},
589 {"dark slate gray" , PALETTERGB ( 47, 79, 79)},
590 {"DarkSlateGray" , PALETTERGB ( 47, 79, 79)},
591 {"dark slate grey" , PALETTERGB ( 47, 79, 79)},
592 {"DarkSlateGrey" , PALETTERGB ( 47, 79, 79)},
593 {"dim gray" , PALETTERGB (105,105,105)},
594 {"DimGray" , PALETTERGB (105,105,105)},
595 {"dim grey" , PALETTERGB (105,105,105)},
596 {"DimGrey" , PALETTERGB (105,105,105)},
597 {"slate gray" , PALETTERGB (112,128,144)},
598 {"SlateGray" , PALETTERGB (112,128,144)},
599 {"slate grey" , PALETTERGB (112,128,144)},
600 {"SlateGrey" , PALETTERGB (112,128,144)},
601 {"light slate gray" , PALETTERGB (119,136,153)},
602 {"LightSlateGray" , PALETTERGB (119,136,153)},
603 {"light slate grey" , PALETTERGB (119,136,153)},
604 {"LightSlateGrey" , PALETTERGB (119,136,153)},
605 {"gray" , PALETTERGB (190,190,190)},
606 {"grey" , PALETTERGB (190,190,190)},
607 {"light grey" , PALETTERGB (211,211,211)},
608 {"LightGrey" , PALETTERGB (211,211,211)},
609 {"light gray" , PALETTERGB (211,211,211)},
610 {"LightGray" , PALETTERGB (211,211,211)},
611 {"midnight blue" , PALETTERGB ( 25, 25,112)},
612 {"MidnightBlue" , PALETTERGB ( 25, 25,112)},
613 {"navy" , PALETTERGB ( 0, 0,128)},
614 {"navy blue" , PALETTERGB ( 0, 0,128)},
615 {"NavyBlue" , PALETTERGB ( 0, 0,128)},
616 {"cornflower blue" , PALETTERGB (100,149,237)},
617 {"CornflowerBlue" , PALETTERGB (100,149,237)},
618 {"dark slate blue" , PALETTERGB ( 72, 61,139)},
619 {"DarkSlateBlue" , PALETTERGB ( 72, 61,139)},
620 {"slate blue" , PALETTERGB (106, 90,205)},
621 {"SlateBlue" , PALETTERGB (106, 90,205)},
622 {"medium slate blue" , PALETTERGB (123,104,238)},
623 {"MediumSlateBlue" , PALETTERGB (123,104,238)},
624 {"light slate blue" , PALETTERGB (132,112,255)},
625 {"LightSlateBlue" , PALETTERGB (132,112,255)},
626 {"medium blue" , PALETTERGB ( 0, 0,205)},
627 {"MediumBlue" , PALETTERGB ( 0, 0,205)},
628 {"royal blue" , PALETTERGB ( 65,105,225)},
629 {"RoyalBlue" , PALETTERGB ( 65,105,225)},
630 {"blue" , PALETTERGB ( 0, 0,255)},
631 {"dodger blue" , PALETTERGB ( 30,144,255)},
632 {"DodgerBlue" , PALETTERGB ( 30,144,255)},
633 {"deep sky blue" , PALETTERGB ( 0,191,255)},
634 {"DeepSkyBlue" , PALETTERGB ( 0,191,255)},
635 {"sky blue" , PALETTERGB (135,206,235)},
636 {"SkyBlue" , PALETTERGB (135,206,235)},
637 {"light sky blue" , PALETTERGB (135,206,250)},
638 {"LightSkyBlue" , PALETTERGB (135,206,250)},
639 {"steel blue" , PALETTERGB ( 70,130,180)},
640 {"SteelBlue" , PALETTERGB ( 70,130,180)},
641 {"light steel blue" , PALETTERGB (176,196,222)},
642 {"LightSteelBlue" , PALETTERGB (176,196,222)},
643 {"light blue" , PALETTERGB (173,216,230)},
644 {"LightBlue" , PALETTERGB (173,216,230)},
645 {"powder blue" , PALETTERGB (176,224,230)},
646 {"PowderBlue" , PALETTERGB (176,224,230)},
647 {"pale turquoise" , PALETTERGB (175,238,238)},
648 {"PaleTurquoise" , PALETTERGB (175,238,238)},
649 {"dark turquoise" , PALETTERGB ( 0,206,209)},
650 {"DarkTurquoise" , PALETTERGB ( 0,206,209)},
651 {"medium turquoise" , PALETTERGB ( 72,209,204)},
652 {"MediumTurquoise" , PALETTERGB ( 72,209,204)},
653 {"turquoise" , PALETTERGB ( 64,224,208)},
654 {"cyan" , PALETTERGB ( 0,255,255)},
655 {"light cyan" , PALETTERGB (224,255,255)},
656 {"LightCyan" , PALETTERGB (224,255,255)},
657 {"cadet blue" , PALETTERGB ( 95,158,160)},
658 {"CadetBlue" , PALETTERGB ( 95,158,160)},
659 {"medium aquamarine" , PALETTERGB (102,205,170)},
660 {"MediumAquamarine" , PALETTERGB (102,205,170)},
661 {"aquamarine" , PALETTERGB (127,255,212)},
662 {"dark green" , PALETTERGB ( 0,100, 0)},
663 {"DarkGreen" , PALETTERGB ( 0,100, 0)},
664 {"dark olive green" , PALETTERGB ( 85,107, 47)},
665 {"DarkOliveGreen" , PALETTERGB ( 85,107, 47)},
666 {"dark sea green" , PALETTERGB (143,188,143)},
667 {"DarkSeaGreen" , PALETTERGB (143,188,143)},
668 {"sea green" , PALETTERGB ( 46,139, 87)},
669 {"SeaGreen" , PALETTERGB ( 46,139, 87)},
670 {"medium sea green" , PALETTERGB ( 60,179,113)},
671 {"MediumSeaGreen" , PALETTERGB ( 60,179,113)},
672 {"light sea green" , PALETTERGB ( 32,178,170)},
673 {"LightSeaGreen" , PALETTERGB ( 32,178,170)},
674 {"pale green" , PALETTERGB (152,251,152)},
675 {"PaleGreen" , PALETTERGB (152,251,152)},
676 {"spring green" , PALETTERGB ( 0,255,127)},
677 {"SpringGreen" , PALETTERGB ( 0,255,127)},
678 {"lawn green" , PALETTERGB (124,252, 0)},
679 {"LawnGreen" , PALETTERGB (124,252, 0)},
680 {"green" , PALETTERGB ( 0,255, 0)},
681 {"chartreuse" , PALETTERGB (127,255, 0)},
682 {"medium spring green" , PALETTERGB ( 0,250,154)},
683 {"MediumSpringGreen" , PALETTERGB ( 0,250,154)},
684 {"green yellow" , PALETTERGB (173,255, 47)},
685 {"GreenYellow" , PALETTERGB (173,255, 47)},
686 {"lime green" , PALETTERGB ( 50,205, 50)},
687 {"LimeGreen" , PALETTERGB ( 50,205, 50)},
688 {"yellow green" , PALETTERGB (154,205, 50)},
689 {"YellowGreen" , PALETTERGB (154,205, 50)},
690 {"forest green" , PALETTERGB ( 34,139, 34)},
691 {"ForestGreen" , PALETTERGB ( 34,139, 34)},
692 {"olive drab" , PALETTERGB (107,142, 35)},
693 {"OliveDrab" , PALETTERGB (107,142, 35)},
694 {"dark khaki" , PALETTERGB (189,183,107)},
695 {"DarkKhaki" , PALETTERGB (189,183,107)},
696 {"khaki" , PALETTERGB (240,230,140)},
697 {"pale goldenrod" , PALETTERGB (238,232,170)},
698 {"PaleGoldenrod" , PALETTERGB (238,232,170)},
699 {"light goldenrod yellow" , PALETTERGB (250,250,210)},
700 {"LightGoldenrodYellow" , PALETTERGB (250,250,210)},
701 {"light yellow" , PALETTERGB (255,255,224)},
702 {"LightYellow" , PALETTERGB (255,255,224)},
703 {"yellow" , PALETTERGB (255,255, 0)},
704 {"gold" , PALETTERGB (255,215, 0)},
705 {"light goldenrod" , PALETTERGB (238,221,130)},
706 {"LightGoldenrod" , PALETTERGB (238,221,130)},
707 {"goldenrod" , PALETTERGB (218,165, 32)},
708 {"dark goldenrod" , PALETTERGB (184,134, 11)},
709 {"DarkGoldenrod" , PALETTERGB (184,134, 11)},
710 {"rosy brown" , PALETTERGB (188,143,143)},
711 {"RosyBrown" , PALETTERGB (188,143,143)},
712 {"indian red" , PALETTERGB (205, 92, 92)},
713 {"IndianRed" , PALETTERGB (205, 92, 92)},
714 {"saddle brown" , PALETTERGB (139, 69, 19)},
715 {"SaddleBrown" , PALETTERGB (139, 69, 19)},
716 {"sienna" , PALETTERGB (160, 82, 45)},
717 {"peru" , PALETTERGB (205,133, 63)},
718 {"burlywood" , PALETTERGB (222,184,135)},
719 {"beige" , PALETTERGB (245,245,220)},
720 {"wheat" , PALETTERGB (245,222,179)},
721 {"sandy brown" , PALETTERGB (244,164, 96)},
722 {"SandyBrown" , PALETTERGB (244,164, 96)},
723 {"tan" , PALETTERGB (210,180,140)},
724 {"chocolate" , PALETTERGB (210,105, 30)},
725 {"firebrick" , PALETTERGB (178,34, 34)},
726 {"brown" , PALETTERGB (165,42, 42)},
727 {"dark salmon" , PALETTERGB (233,150,122)},
728 {"DarkSalmon" , PALETTERGB (233,150,122)},
729 {"salmon" , PALETTERGB (250,128,114)},
730 {"light salmon" , PALETTERGB (255,160,122)},
731 {"LightSalmon" , PALETTERGB (255,160,122)},
732 {"orange" , PALETTERGB (255,165, 0)},
733 {"dark orange" , PALETTERGB (255,140, 0)},
734 {"DarkOrange" , PALETTERGB (255,140, 0)},
735 {"coral" , PALETTERGB (255,127, 80)},
736 {"light coral" , PALETTERGB (240,128,128)},
737 {"LightCoral" , PALETTERGB (240,128,128)},
738 {"tomato" , PALETTERGB (255, 99, 71)},
739 {"orange red" , PALETTERGB (255, 69, 0)},
740 {"OrangeRed" , PALETTERGB (255, 69, 0)},
741 {"red" , PALETTERGB (255, 0, 0)},
742 {"hot pink" , PALETTERGB (255,105,180)},
743 {"HotPink" , PALETTERGB (255,105,180)},
744 {"deep pink" , PALETTERGB (255, 20,147)},
745 {"DeepPink" , PALETTERGB (255, 20,147)},
746 {"pink" , PALETTERGB (255,192,203)},
747 {"light pink" , PALETTERGB (255,182,193)},
748 {"LightPink" , PALETTERGB (255,182,193)},
749 {"pale violet red" , PALETTERGB (219,112,147)},
750 {"PaleVioletRed" , PALETTERGB (219,112,147)},
751 {"maroon" , PALETTERGB (176, 48, 96)},
752 {"medium violet red" , PALETTERGB (199, 21,133)},
753 {"MediumVioletRed" , PALETTERGB (199, 21,133)},
754 {"violet red" , PALETTERGB (208, 32,144)},
755 {"VioletRed" , PALETTERGB (208, 32,144)},
756 {"magenta" , PALETTERGB (255, 0,255)},
757 {"violet" , PALETTERGB (238,130,238)},
758 {"plum" , PALETTERGB (221,160,221)},
759 {"orchid" , PALETTERGB (218,112,214)},
760 {"medium orchid" , PALETTERGB (186, 85,211)},
761 {"MediumOrchid" , PALETTERGB (186, 85,211)},
762 {"dark orchid" , PALETTERGB (153, 50,204)},
763 {"DarkOrchid" , PALETTERGB (153, 50,204)},
764 {"dark violet" , PALETTERGB (148, 0,211)},
765 {"DarkViolet" , PALETTERGB (148, 0,211)},
766 {"blue violet" , PALETTERGB (138, 43,226)},
767 {"BlueViolet" , PALETTERGB (138, 43,226)},
768 {"purple" , PALETTERGB (160, 32,240)},
769 {"medium purple" , PALETTERGB (147,112,219)},
770 {"MediumPurple" , PALETTERGB (147,112,219)},
771 {"thistle" , PALETTERGB (216,191,216)},
772 {"gray0" , PALETTERGB ( 0, 0, 0)},
773 {"grey0" , PALETTERGB ( 0, 0, 0)},
774 {"dark grey" , PALETTERGB (169,169,169)},
775 {"DarkGrey" , PALETTERGB (169,169,169)},
776 {"dark gray" , PALETTERGB (169,169,169)},
777 {"DarkGray" , PALETTERGB (169,169,169)},
778 {"dark blue" , PALETTERGB ( 0, 0,139)},
779 {"DarkBlue" , PALETTERGB ( 0, 0,139)},
780 {"dark cyan" , PALETTERGB ( 0,139,139)},
781 {"DarkCyan" , PALETTERGB ( 0,139,139)},
782 {"dark magenta" , PALETTERGB (139, 0,139)},
783 {"DarkMagenta" , PALETTERGB (139, 0,139)},
784 {"dark red" , PALETTERGB (139, 0, 0)},
785 {"DarkRed" , PALETTERGB (139, 0, 0)},
786 {"light green" , PALETTERGB (144,238,144)},
787 {"LightGreen" , PALETTERGB (144,238,144)},
790 DEFUN ("w32-default-color-map", Fw32_default_color_map, Sw32_default_color_map,
791 0, 0, 0, doc: /* Return the default color map. */)
794 int i;
795 colormap_t *pc = w32_color_map;
796 Lisp_Object cmap;
798 BLOCK_INPUT;
800 cmap = Qnil;
802 for (i = 0; i < sizeof (w32_color_map) / sizeof (w32_color_map[0]);
803 pc++, i++)
804 cmap = Fcons (Fcons (build_string (pc->name),
805 make_number (pc->colorref)),
806 cmap);
808 UNBLOCK_INPUT;
810 return (cmap);
813 Lisp_Object
814 w32_to_x_color (rgb)
815 Lisp_Object rgb;
817 Lisp_Object color;
819 CHECK_NUMBER (rgb);
821 BLOCK_INPUT;
823 color = Frassq (rgb, Vw32_color_map);
825 UNBLOCK_INPUT;
827 if (!NILP (color))
828 return (Fcar (color));
829 else
830 return Qnil;
833 static Lisp_Object
834 w32_color_map_lookup (colorname)
835 char *colorname;
837 Lisp_Object tail, ret = Qnil;
839 BLOCK_INPUT;
841 for (tail = Vw32_color_map; !NILP (tail); tail = Fcdr (tail))
843 register Lisp_Object elt, tem;
845 elt = Fcar (tail);
846 if (!CONSP (elt)) continue;
848 tem = Fcar (elt);
850 if (lstrcmpi (SDATA (tem), colorname) == 0)
852 ret = Fcdr (elt);
853 break;
856 QUIT;
860 UNBLOCK_INPUT;
862 return ret;
866 static void
867 add_system_logical_colors_to_map (system_colors)
868 Lisp_Object *system_colors;
870 HKEY colors_key;
872 /* Other registry operations are done with input blocked. */
873 BLOCK_INPUT;
875 /* Look for "Control Panel/Colors" under User and Machine registry
876 settings. */
877 if (RegOpenKeyEx (HKEY_CURRENT_USER, "Control Panel\\Colors", 0,
878 KEY_READ, &colors_key) == ERROR_SUCCESS
879 || RegOpenKeyEx (HKEY_LOCAL_MACHINE, "Control Panel\\Colors", 0,
880 KEY_READ, &colors_key) == ERROR_SUCCESS)
882 /* List all keys. */
883 char color_buffer[64];
884 char full_name_buffer[MAX_PATH + SYSTEM_COLOR_PREFIX_LEN];
885 int index = 0;
886 DWORD name_size, color_size;
887 char *name_buffer = full_name_buffer + SYSTEM_COLOR_PREFIX_LEN;
889 name_size = sizeof (full_name_buffer) - SYSTEM_COLOR_PREFIX_LEN;
890 color_size = sizeof (color_buffer);
892 strcpy (full_name_buffer, SYSTEM_COLOR_PREFIX);
894 while (RegEnumValueA (colors_key, index, name_buffer, &name_size,
895 NULL, NULL, color_buffer, &color_size)
896 == ERROR_SUCCESS)
898 int r, g, b;
899 if (sscanf (color_buffer, " %u %u %u", &r, &g, &b) == 3)
900 *system_colors = Fcons (Fcons (build_string (full_name_buffer),
901 make_number (RGB (r, g, b))),
902 *system_colors);
904 name_size = sizeof (full_name_buffer) - SYSTEM_COLOR_PREFIX_LEN;
905 color_size = sizeof (color_buffer);
906 index++;
908 RegCloseKey (colors_key);
911 UNBLOCK_INPUT;
915 static Lisp_Object
916 x_to_w32_color (colorname)
917 char * colorname;
919 register Lisp_Object ret = Qnil;
921 BLOCK_INPUT;
923 if (colorname[0] == '#')
925 /* Could be an old-style RGB Device specification. */
926 char *color;
927 int size;
928 color = colorname + 1;
930 size = strlen(color);
931 if (size == 3 || size == 6 || size == 9 || size == 12)
933 UINT colorval;
934 int i, pos;
935 pos = 0;
936 size /= 3;
937 colorval = 0;
939 for (i = 0; i < 3; i++)
941 char *end;
942 char t;
943 unsigned long value;
945 /* The check for 'x' in the following conditional takes into
946 account the fact that strtol allows a "0x" in front of
947 our numbers, and we don't. */
948 if (!isxdigit(color[0]) || color[1] == 'x')
949 break;
950 t = color[size];
951 color[size] = '\0';
952 value = strtoul(color, &end, 16);
953 color[size] = t;
954 if (errno == ERANGE || end - color != size)
955 break;
956 switch (size)
958 case 1:
959 value = value * 0x10;
960 break;
961 case 2:
962 break;
963 case 3:
964 value /= 0x10;
965 break;
966 case 4:
967 value /= 0x100;
968 break;
970 colorval |= (value << pos);
971 pos += 0x8;
972 if (i == 2)
974 UNBLOCK_INPUT;
975 XSETINT (ret, colorval);
976 return ret;
978 color = end;
982 else if (strnicmp(colorname, "rgb:", 4) == 0)
984 char *color;
985 UINT colorval;
986 int i, pos;
987 pos = 0;
989 colorval = 0;
990 color = colorname + 4;
991 for (i = 0; i < 3; i++)
993 char *end;
994 unsigned long value;
996 /* The check for 'x' in the following conditional takes into
997 account the fact that strtol allows a "0x" in front of
998 our numbers, and we don't. */
999 if (!isxdigit(color[0]) || color[1] == 'x')
1000 break;
1001 value = strtoul(color, &end, 16);
1002 if (errno == ERANGE)
1003 break;
1004 switch (end - color)
1006 case 1:
1007 value = value * 0x10 + value;
1008 break;
1009 case 2:
1010 break;
1011 case 3:
1012 value /= 0x10;
1013 break;
1014 case 4:
1015 value /= 0x100;
1016 break;
1017 default:
1018 value = ULONG_MAX;
1020 if (value == ULONG_MAX)
1021 break;
1022 colorval |= (value << pos);
1023 pos += 0x8;
1024 if (i == 2)
1026 if (*end != '\0')
1027 break;
1028 UNBLOCK_INPUT;
1029 XSETINT (ret, colorval);
1030 return ret;
1032 if (*end != '/')
1033 break;
1034 color = end + 1;
1037 else if (strnicmp(colorname, "rgbi:", 5) == 0)
1039 /* This is an RGB Intensity specification. */
1040 char *color;
1041 UINT colorval;
1042 int i, pos;
1043 pos = 0;
1045 colorval = 0;
1046 color = colorname + 5;
1047 for (i = 0; i < 3; i++)
1049 char *end;
1050 double value;
1051 UINT val;
1053 value = strtod(color, &end);
1054 if (errno == ERANGE)
1055 break;
1056 if (value < 0.0 || value > 1.0)
1057 break;
1058 val = (UINT)(0x100 * value);
1059 /* We used 0x100 instead of 0xFF to give a continuous
1060 range between 0.0 and 1.0 inclusive. The next statement
1061 fixes the 1.0 case. */
1062 if (val == 0x100)
1063 val = 0xFF;
1064 colorval |= (val << pos);
1065 pos += 0x8;
1066 if (i == 2)
1068 if (*end != '\0')
1069 break;
1070 UNBLOCK_INPUT;
1071 XSETINT (ret, colorval);
1072 return ret;
1074 if (*end != '/')
1075 break;
1076 color = end + 1;
1079 /* I am not going to attempt to handle any of the CIE color schemes
1080 or TekHVC, since I don't know the algorithms for conversion to
1081 RGB. */
1083 /* If we fail to lookup the color name in w32_color_map, then check the
1084 colorname to see if it can be crudely approximated: If the X color
1085 ends in a number (e.g., "darkseagreen2"), strip the number and
1086 return the result of looking up the base color name. */
1087 ret = w32_color_map_lookup (colorname);
1088 if (NILP (ret))
1090 int len = strlen (colorname);
1092 if (isdigit (colorname[len - 1]))
1094 char *ptr, *approx = alloca (len + 1);
1096 strcpy (approx, colorname);
1097 ptr = &approx[len - 1];
1098 while (ptr > approx && isdigit (*ptr))
1099 *ptr-- = '\0';
1101 ret = w32_color_map_lookup (approx);
1105 UNBLOCK_INPUT;
1106 return ret;
1109 void
1110 w32_regenerate_palette (FRAME_PTR f)
1112 struct w32_palette_entry * list;
1113 LOGPALETTE * log_palette;
1114 HPALETTE new_palette;
1115 int i;
1117 /* don't bother trying to create palette if not supported */
1118 if (! FRAME_W32_DISPLAY_INFO (f)->has_palette)
1119 return;
1121 log_palette = (LOGPALETTE *)
1122 alloca (sizeof (LOGPALETTE) +
1123 FRAME_W32_DISPLAY_INFO (f)->num_colors * sizeof (PALETTEENTRY));
1124 log_palette->palVersion = 0x300;
1125 log_palette->palNumEntries = FRAME_W32_DISPLAY_INFO (f)->num_colors;
1127 list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1128 for (i = 0;
1129 i < FRAME_W32_DISPLAY_INFO (f)->num_colors;
1130 i++, list = list->next)
1131 log_palette->palPalEntry[i] = list->entry;
1133 new_palette = CreatePalette (log_palette);
1135 enter_crit ();
1137 if (FRAME_W32_DISPLAY_INFO (f)->palette)
1138 DeleteObject (FRAME_W32_DISPLAY_INFO (f)->palette);
1139 FRAME_W32_DISPLAY_INFO (f)->palette = new_palette;
1141 /* Realize display palette and garbage all frames. */
1142 release_frame_dc (f, get_frame_dc (f));
1144 leave_crit ();
1147 #define W32_COLOR(pe) RGB (pe.peRed, pe.peGreen, pe.peBlue)
1148 #define SET_W32_COLOR(pe, color) \
1149 do \
1151 pe.peRed = GetRValue (color); \
1152 pe.peGreen = GetGValue (color); \
1153 pe.peBlue = GetBValue (color); \
1154 pe.peFlags = 0; \
1155 } while (0)
1157 #if 0
1158 /* Keep these around in case we ever want to track color usage. */
1159 void
1160 w32_map_color (FRAME_PTR f, COLORREF color)
1162 struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1164 if (NILP (Vw32_enable_palette))
1165 return;
1167 /* check if color is already mapped */
1168 while (list)
1170 if (W32_COLOR (list->entry) == color)
1172 ++list->refcount;
1173 return;
1175 list = list->next;
1178 /* not already mapped, so add to list and recreate Windows palette */
1179 list = (struct w32_palette_entry *)
1180 xmalloc (sizeof (struct w32_palette_entry));
1181 SET_W32_COLOR (list->entry, color);
1182 list->refcount = 1;
1183 list->next = FRAME_W32_DISPLAY_INFO (f)->color_list;
1184 FRAME_W32_DISPLAY_INFO (f)->color_list = list;
1185 FRAME_W32_DISPLAY_INFO (f)->num_colors++;
1187 /* set flag that palette must be regenerated */
1188 FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1191 void
1192 w32_unmap_color (FRAME_PTR f, COLORREF color)
1194 struct w32_palette_entry * list = FRAME_W32_DISPLAY_INFO (f)->color_list;
1195 struct w32_palette_entry **prev = &FRAME_W32_DISPLAY_INFO (f)->color_list;
1197 if (NILP (Vw32_enable_palette))
1198 return;
1200 /* check if color is already mapped */
1201 while (list)
1203 if (W32_COLOR (list->entry) == color)
1205 if (--list->refcount == 0)
1207 *prev = list->next;
1208 xfree (list);
1209 FRAME_W32_DISPLAY_INFO (f)->num_colors--;
1210 break;
1212 else
1213 return;
1215 prev = &list->next;
1216 list = list->next;
1219 /* set flag that palette must be regenerated */
1220 FRAME_W32_DISPLAY_INFO (f)->regen_palette = TRUE;
1222 #endif
1225 /* Gamma-correct COLOR on frame F. */
1227 void
1228 gamma_correct (f, color)
1229 struct frame *f;
1230 COLORREF *color;
1232 if (f->gamma)
1234 *color = PALETTERGB (
1235 pow (GetRValue (*color) / 255.0, f->gamma) * 255.0 + 0.5,
1236 pow (GetGValue (*color) / 255.0, f->gamma) * 255.0 + 0.5,
1237 pow (GetBValue (*color) / 255.0, f->gamma) * 255.0 + 0.5);
1242 /* Decide if color named COLOR is valid for the display associated with
1243 the selected frame; if so, return the rgb values in COLOR_DEF.
1244 If ALLOC is nonzero, allocate a new colormap cell. */
1247 w32_defined_color (f, color, color_def, alloc)
1248 FRAME_PTR f;
1249 char *color;
1250 XColor *color_def;
1251 int alloc;
1253 register Lisp_Object tem;
1254 COLORREF w32_color_ref;
1256 tem = x_to_w32_color (color);
1258 if (!NILP (tem))
1260 if (f)
1262 /* Apply gamma correction. */
1263 w32_color_ref = XUINT (tem);
1264 gamma_correct (f, &w32_color_ref);
1265 XSETINT (tem, w32_color_ref);
1268 /* Map this color to the palette if it is enabled. */
1269 if (!NILP (Vw32_enable_palette))
1271 struct w32_palette_entry * entry =
1272 one_w32_display_info.color_list;
1273 struct w32_palette_entry ** prev =
1274 &one_w32_display_info.color_list;
1276 /* check if color is already mapped */
1277 while (entry)
1279 if (W32_COLOR (entry->entry) == XUINT (tem))
1280 break;
1281 prev = &entry->next;
1282 entry = entry->next;
1285 if (entry == NULL && alloc)
1287 /* not already mapped, so add to list */
1288 entry = (struct w32_palette_entry *)
1289 xmalloc (sizeof (struct w32_palette_entry));
1290 SET_W32_COLOR (entry->entry, XUINT (tem));
1291 entry->next = NULL;
1292 *prev = entry;
1293 one_w32_display_info.num_colors++;
1295 /* set flag that palette must be regenerated */
1296 one_w32_display_info.regen_palette = TRUE;
1299 /* Ensure COLORREF value is snapped to nearest color in (default)
1300 palette by simulating the PALETTERGB macro. This works whether
1301 or not the display device has a palette. */
1302 w32_color_ref = XUINT (tem) | 0x2000000;
1304 color_def->pixel = w32_color_ref;
1305 color_def->red = GetRValue (w32_color_ref) * 256;
1306 color_def->green = GetGValue (w32_color_ref) * 256;
1307 color_def->blue = GetBValue (w32_color_ref) * 256;
1309 return 1;
1311 else
1313 return 0;
1317 /* Given a string ARG naming a color, compute a pixel value from it
1318 suitable for screen F.
1319 If F is not a color screen, return DEF (default) regardless of what
1320 ARG says. */
1323 x_decode_color (f, arg, def)
1324 FRAME_PTR f;
1325 Lisp_Object arg;
1326 int def;
1328 XColor cdef;
1330 CHECK_STRING (arg);
1332 if (strcmp (SDATA (arg), "black") == 0)
1333 return BLACK_PIX_DEFAULT (f);
1334 else if (strcmp (SDATA (arg), "white") == 0)
1335 return WHITE_PIX_DEFAULT (f);
1337 if ((FRAME_W32_DISPLAY_INFO (f)->n_planes * FRAME_W32_DISPLAY_INFO (f)->n_cbits) == 1)
1338 return def;
1340 /* w32_defined_color is responsible for coping with failures
1341 by looking for a near-miss. */
1342 if (w32_defined_color (f, SDATA (arg), &cdef, 1))
1343 return cdef.pixel;
1345 /* defined_color failed; return an ultimate default. */
1346 return def;
1351 /* Functions called only from `x_set_frame_param'
1352 to set individual parameters.
1354 If FRAME_W32_WINDOW (f) is 0,
1355 the frame is being created and its window does not exist yet.
1356 In that case, just record the parameter's new value
1357 in the standard place; do not attempt to change the window. */
1359 void
1360 x_set_foreground_color (f, arg, oldval)
1361 struct frame *f;
1362 Lisp_Object arg, oldval;
1364 struct w32_output *x = f->output_data.w32;
1365 PIX_TYPE fg, old_fg;
1367 fg = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
1368 old_fg = FRAME_FOREGROUND_PIXEL (f);
1369 FRAME_FOREGROUND_PIXEL (f) = fg;
1371 if (FRAME_W32_WINDOW (f) != 0)
1373 if (x->cursor_pixel == old_fg)
1374 x->cursor_pixel = fg;
1376 update_face_from_frame_parameter (f, Qforeground_color, arg);
1377 if (FRAME_VISIBLE_P (f))
1378 redraw_frame (f);
1382 void
1383 x_set_background_color (f, arg, oldval)
1384 struct frame *f;
1385 Lisp_Object arg, oldval;
1387 FRAME_BACKGROUND_PIXEL (f)
1388 = x_decode_color (f, arg, WHITE_PIX_DEFAULT (f));
1390 if (FRAME_W32_WINDOW (f) != 0)
1392 SetWindowLong (FRAME_W32_WINDOW (f), WND_BACKGROUND_INDEX,
1393 FRAME_BACKGROUND_PIXEL (f));
1395 update_face_from_frame_parameter (f, Qbackground_color, arg);
1397 if (FRAME_VISIBLE_P (f))
1398 redraw_frame (f);
1402 void
1403 x_set_mouse_color (f, arg, oldval)
1404 struct frame *f;
1405 Lisp_Object arg, oldval;
1407 Cursor cursor, nontext_cursor, mode_cursor, hand_cursor;
1408 int count;
1409 int mask_color;
1411 if (!EQ (Qnil, arg))
1412 f->output_data.w32->mouse_pixel
1413 = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
1414 mask_color = FRAME_BACKGROUND_PIXEL (f);
1416 /* Don't let pointers be invisible. */
1417 if (mask_color == f->output_data.w32->mouse_pixel
1418 && mask_color == FRAME_BACKGROUND_PIXEL (f))
1419 f->output_data.w32->mouse_pixel = FRAME_FOREGROUND_PIXEL (f);
1421 #if 0 /* TODO : cursor changes */
1422 BLOCK_INPUT;
1424 /* It's not okay to crash if the user selects a screwy cursor. */
1425 count = x_catch_errors (FRAME_W32_DISPLAY (f));
1427 if (!EQ (Qnil, Vx_pointer_shape))
1429 CHECK_NUMBER (Vx_pointer_shape);
1430 cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XINT (Vx_pointer_shape));
1432 else
1433 cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm);
1434 x_check_errors (FRAME_W32_DISPLAY (f), "bad text pointer cursor: %s");
1436 if (!EQ (Qnil, Vx_nontext_pointer_shape))
1438 CHECK_NUMBER (Vx_nontext_pointer_shape);
1439 nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
1440 XINT (Vx_nontext_pointer_shape));
1442 else
1443 nontext_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_left_ptr);
1444 x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s");
1446 if (!EQ (Qnil, Vx_hourglass_pointer_shape))
1448 CHECK_NUMBER (Vx_hourglass_pointer_shape);
1449 hourglass_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
1450 XINT (Vx_hourglass_pointer_shape));
1452 else
1453 hourglass_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_watch);
1454 x_check_errors (FRAME_W32_DISPLAY (f), "bad busy pointer cursor: %s");
1456 x_check_errors (FRAME_W32_DISPLAY (f), "bad nontext pointer cursor: %s");
1457 if (!EQ (Qnil, Vx_mode_pointer_shape))
1459 CHECK_NUMBER (Vx_mode_pointer_shape);
1460 mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f),
1461 XINT (Vx_mode_pointer_shape));
1463 else
1464 mode_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_xterm);
1465 x_check_errors (FRAME_W32_DISPLAY (f), "bad modeline pointer cursor: %s");
1467 if (!EQ (Qnil, Vx_sensitive_text_pointer_shape))
1469 CHECK_NUMBER (Vx_sensitive_text_pointer_shape);
1470 hand_cursor
1471 = XCreateFontCursor (FRAME_W32_DISPLAY (f),
1472 XINT (Vx_sensitive_text_pointer_shape));
1474 else
1475 hand_cursor = XCreateFontCursor (FRAME_W32_DISPLAY (f), XC_crosshair);
1477 if (!NILP (Vx_window_horizontal_drag_shape))
1479 CHECK_NUMBER (Vx_window_horizontal_drag_shape);
1480 horizontal_drag_cursor
1481 = XCreateFontCursor (FRAME_X_DISPLAY (f),
1482 XINT (Vx_window_horizontal_drag_shape));
1484 else
1485 horizontal_drag_cursor
1486 = XCreateFontCursor (FRAME_X_DISPLAY (f), XC_sb_h_double_arrow);
1488 /* Check and report errors with the above calls. */
1489 x_check_errors (FRAME_W32_DISPLAY (f), "can't set cursor shape: %s");
1490 x_uncatch_errors (FRAME_W32_DISPLAY (f), count);
1493 XColor fore_color, back_color;
1495 fore_color.pixel = f->output_data.w32->mouse_pixel;
1496 back_color.pixel = mask_color;
1497 XQueryColor (FRAME_W32_DISPLAY (f),
1498 DefaultColormap (FRAME_W32_DISPLAY (f),
1499 DefaultScreen (FRAME_W32_DISPLAY (f))),
1500 &fore_color);
1501 XQueryColor (FRAME_W32_DISPLAY (f),
1502 DefaultColormap (FRAME_W32_DISPLAY (f),
1503 DefaultScreen (FRAME_W32_DISPLAY (f))),
1504 &back_color);
1505 XRecolorCursor (FRAME_W32_DISPLAY (f), cursor,
1506 &fore_color, &back_color);
1507 XRecolorCursor (FRAME_W32_DISPLAY (f), nontext_cursor,
1508 &fore_color, &back_color);
1509 XRecolorCursor (FRAME_W32_DISPLAY (f), mode_cursor,
1510 &fore_color, &back_color);
1511 XRecolorCursor (FRAME_W32_DISPLAY (f), hand_cursor,
1512 &fore_color, &back_color);
1513 XRecolorCursor (FRAME_W32_DISPLAY (f), hourglass_cursor,
1514 &fore_color, &back_color);
1517 if (FRAME_W32_WINDOW (f) != 0)
1518 XDefineCursor (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), cursor);
1520 if (cursor != f->output_data.w32->text_cursor && f->output_data.w32->text_cursor != 0)
1521 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->text_cursor);
1522 f->output_data.w32->text_cursor = cursor;
1524 if (nontext_cursor != f->output_data.w32->nontext_cursor
1525 && f->output_data.w32->nontext_cursor != 0)
1526 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->nontext_cursor);
1527 f->output_data.w32->nontext_cursor = nontext_cursor;
1529 if (hourglass_cursor != f->output_data.w32->hourglass_cursor
1530 && f->output_data.w32->hourglass_cursor != 0)
1531 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->hourglass_cursor);
1532 f->output_data.w32->hourglass_cursor = hourglass_cursor;
1534 if (mode_cursor != f->output_data.w32->modeline_cursor
1535 && f->output_data.w32->modeline_cursor != 0)
1536 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->modeline_cursor);
1537 f->output_data.w32->modeline_cursor = mode_cursor;
1539 if (hand_cursor != f->output_data.w32->hand_cursor
1540 && f->output_data.w32->hand_cursor != 0)
1541 XFreeCursor (FRAME_W32_DISPLAY (f), f->output_data.w32->hand_cursor);
1542 f->output_data.w32->hand_cursor = hand_cursor;
1544 XFlush (FRAME_W32_DISPLAY (f));
1545 UNBLOCK_INPUT;
1547 update_face_from_frame_parameter (f, Qmouse_color, arg);
1548 #endif /* TODO */
1551 /* Defined in w32term.c. */
1552 void
1553 x_set_cursor_color (f, arg, oldval)
1554 struct frame *f;
1555 Lisp_Object arg, oldval;
1557 unsigned long fore_pixel, pixel;
1559 if (!NILP (Vx_cursor_fore_pixel))
1560 fore_pixel = x_decode_color (f, Vx_cursor_fore_pixel,
1561 WHITE_PIX_DEFAULT (f));
1562 else
1563 fore_pixel = FRAME_BACKGROUND_PIXEL (f);
1565 pixel = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
1567 /* Make sure that the cursor color differs from the background color. */
1568 if (pixel == FRAME_BACKGROUND_PIXEL (f))
1570 pixel = f->output_data.w32->mouse_pixel;
1571 if (pixel == fore_pixel)
1572 fore_pixel = FRAME_BACKGROUND_PIXEL (f);
1575 f->output_data.w32->cursor_foreground_pixel = fore_pixel;
1576 f->output_data.w32->cursor_pixel = pixel;
1578 if (FRAME_W32_WINDOW (f) != 0)
1580 BLOCK_INPUT;
1581 /* Update frame's cursor_gc. */
1582 f->output_data.w32->cursor_gc->foreground = fore_pixel;
1583 f->output_data.w32->cursor_gc->background = pixel;
1585 UNBLOCK_INPUT;
1587 if (FRAME_VISIBLE_P (f))
1589 x_update_cursor (f, 0);
1590 x_update_cursor (f, 1);
1594 update_face_from_frame_parameter (f, Qcursor_color, arg);
1597 /* Set the border-color of frame F to pixel value PIX.
1598 Note that this does not fully take effect if done before
1599 F has a window. */
1601 void
1602 x_set_border_pixel (f, pix)
1603 struct frame *f;
1604 int pix;
1607 f->output_data.w32->border_pixel = pix;
1609 if (FRAME_W32_WINDOW (f) != 0 && f->border_width > 0)
1611 if (FRAME_VISIBLE_P (f))
1612 redraw_frame (f);
1616 /* Set the border-color of frame F to value described by ARG.
1617 ARG can be a string naming a color.
1618 The border-color is used for the border that is drawn by the server.
1619 Note that this does not fully take effect if done before
1620 F has a window; it must be redone when the window is created. */
1622 void
1623 x_set_border_color (f, arg, oldval)
1624 struct frame *f;
1625 Lisp_Object arg, oldval;
1627 int pix;
1629 CHECK_STRING (arg);
1630 pix = x_decode_color (f, arg, BLACK_PIX_DEFAULT (f));
1631 x_set_border_pixel (f, pix);
1632 update_face_from_frame_parameter (f, Qborder_color, arg);
1636 void
1637 x_set_cursor_type (f, arg, oldval)
1638 FRAME_PTR f;
1639 Lisp_Object arg, oldval;
1641 set_frame_cursor_types (f, arg);
1643 /* Make sure the cursor gets redrawn. */
1644 cursor_type_changed = 1;
1647 void
1648 x_set_icon_type (f, arg, oldval)
1649 struct frame *f;
1650 Lisp_Object arg, oldval;
1652 int result;
1654 if (NILP (arg) && NILP (oldval))
1655 return;
1657 if (STRINGP (arg) && STRINGP (oldval)
1658 && EQ (Fstring_equal (oldval, arg), Qt))
1659 return;
1661 if (SYMBOLP (arg) && SYMBOLP (oldval) && EQ (arg, oldval))
1662 return;
1664 BLOCK_INPUT;
1666 result = x_bitmap_icon (f, arg);
1667 if (result)
1669 UNBLOCK_INPUT;
1670 error ("No icon window available");
1673 UNBLOCK_INPUT;
1676 void
1677 x_set_icon_name (f, arg, oldval)
1678 struct frame *f;
1679 Lisp_Object arg, oldval;
1681 if (STRINGP (arg))
1683 if (STRINGP (oldval) && EQ (Fstring_equal (oldval, arg), Qt))
1684 return;
1686 else if (!STRINGP (oldval) && EQ (oldval, Qnil) == EQ (arg, Qnil))
1687 return;
1689 f->icon_name = arg;
1691 #if 0
1692 if (f->output_data.w32->icon_bitmap != 0)
1693 return;
1695 BLOCK_INPUT;
1697 result = x_text_icon (f,
1698 (char *) SDATA ((!NILP (f->icon_name)
1699 ? f->icon_name
1700 : !NILP (f->title)
1701 ? f->title
1702 : f->name)));
1704 if (result)
1706 UNBLOCK_INPUT;
1707 error ("No icon window available");
1710 /* If the window was unmapped (and its icon was mapped),
1711 the new icon is not mapped, so map the window in its stead. */
1712 if (FRAME_VISIBLE_P (f))
1714 #ifdef USE_X_TOOLKIT
1715 XtPopup (f->output_data.w32->widget, XtGrabNone);
1716 #endif
1717 XMapWindow (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f));
1720 XFlush (FRAME_W32_DISPLAY (f));
1721 UNBLOCK_INPUT;
1722 #endif
1726 void
1727 x_set_menu_bar_lines (f, value, oldval)
1728 struct frame *f;
1729 Lisp_Object value, oldval;
1731 int nlines;
1732 int olines = FRAME_MENU_BAR_LINES (f);
1734 /* Right now, menu bars don't work properly in minibuf-only frames;
1735 most of the commands try to apply themselves to the minibuffer
1736 frame itself, and get an error because you can't switch buffers
1737 in or split the minibuffer window. */
1738 if (FRAME_MINIBUF_ONLY_P (f))
1739 return;
1741 if (INTEGERP (value))
1742 nlines = XINT (value);
1743 else
1744 nlines = 0;
1746 FRAME_MENU_BAR_LINES (f) = 0;
1747 if (nlines)
1748 FRAME_EXTERNAL_MENU_BAR (f) = 1;
1749 else
1751 if (FRAME_EXTERNAL_MENU_BAR (f) == 1)
1752 free_frame_menubar (f);
1753 FRAME_EXTERNAL_MENU_BAR (f) = 0;
1755 /* Adjust the frame size so that the client (text) dimensions
1756 remain the same. This depends on FRAME_EXTERNAL_MENU_BAR being
1757 set correctly. */
1758 x_set_window_size (f, 0, FRAME_COLS (f), FRAME_LINES (f));
1759 do_pending_window_change (0);
1761 adjust_glyphs (f);
1765 /* Set the number of lines used for the tool bar of frame F to VALUE.
1766 VALUE not an integer, or < 0 means set the lines to zero. OLDVAL
1767 is the old number of tool bar lines. This function changes the
1768 height of all windows on frame F to match the new tool bar height.
1769 The frame's height doesn't change. */
1771 void
1772 x_set_tool_bar_lines (f, value, oldval)
1773 struct frame *f;
1774 Lisp_Object value, oldval;
1776 int delta, nlines, root_height;
1777 Lisp_Object root_window;
1779 /* Treat tool bars like menu bars. */
1780 if (FRAME_MINIBUF_ONLY_P (f))
1781 return;
1783 /* Use VALUE only if an integer >= 0. */
1784 if (INTEGERP (value) && XINT (value) >= 0)
1785 nlines = XFASTINT (value);
1786 else
1787 nlines = 0;
1789 /* Make sure we redisplay all windows in this frame. */
1790 ++windows_or_buffers_changed;
1792 delta = nlines - FRAME_TOOL_BAR_LINES (f);
1794 /* Don't resize the tool-bar to more than we have room for. */
1795 root_window = FRAME_ROOT_WINDOW (f);
1796 root_height = WINDOW_TOTAL_LINES (XWINDOW (root_window));
1797 if (root_height - delta < 1)
1799 delta = root_height - 1;
1800 nlines = FRAME_TOOL_BAR_LINES (f) + delta;
1803 FRAME_TOOL_BAR_LINES (f) = nlines;
1804 change_window_heights (root_window, delta);
1805 adjust_glyphs (f);
1807 /* We also have to make sure that the internal border at the top of
1808 the frame, below the menu bar or tool bar, is redrawn when the
1809 tool bar disappears. This is so because the internal border is
1810 below the tool bar if one is displayed, but is below the menu bar
1811 if there isn't a tool bar. The tool bar draws into the area
1812 below the menu bar. */
1813 if (FRAME_W32_WINDOW (f) && FRAME_TOOL_BAR_LINES (f) == 0)
1815 updating_frame = f;
1816 clear_frame ();
1817 clear_current_matrices (f);
1818 updating_frame = NULL;
1821 /* If the tool bar gets smaller, the internal border below it
1822 has to be cleared. It was formerly part of the display
1823 of the larger tool bar, and updating windows won't clear it. */
1824 if (delta < 0)
1826 int height = FRAME_INTERNAL_BORDER_WIDTH (f);
1827 int width = FRAME_PIXEL_WIDTH (f);
1828 int y = nlines * FRAME_LINE_HEIGHT (f);
1830 BLOCK_INPUT;
1832 HDC hdc = get_frame_dc (f);
1833 w32_clear_area (f, hdc, 0, y, width, height);
1834 release_frame_dc (f, hdc);
1836 UNBLOCK_INPUT;
1838 if (WINDOWP (f->tool_bar_window))
1839 clear_glyph_matrix (XWINDOW (f->tool_bar_window)->current_matrix);
1844 /* Change the name of frame F to NAME. If NAME is nil, set F's name to
1845 w32_id_name.
1847 If EXPLICIT is non-zero, that indicates that lisp code is setting the
1848 name; if NAME is a string, set F's name to NAME and set
1849 F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
1851 If EXPLICIT is zero, that indicates that Emacs redisplay code is
1852 suggesting a new name, which lisp code should override; if
1853 F->explicit_name is set, ignore the new name; otherwise, set it. */
1855 void
1856 x_set_name (f, name, explicit)
1857 struct frame *f;
1858 Lisp_Object name;
1859 int explicit;
1861 /* Make sure that requests from lisp code override requests from
1862 Emacs redisplay code. */
1863 if (explicit)
1865 /* If we're switching from explicit to implicit, we had better
1866 update the mode lines and thereby update the title. */
1867 if (f->explicit_name && NILP (name))
1868 update_mode_lines = 1;
1870 f->explicit_name = ! NILP (name);
1872 else if (f->explicit_name)
1873 return;
1875 /* If NAME is nil, set the name to the w32_id_name. */
1876 if (NILP (name))
1878 /* Check for no change needed in this very common case
1879 before we do any consing. */
1880 if (!strcmp (FRAME_W32_DISPLAY_INFO (f)->w32_id_name,
1881 SDATA (f->name)))
1882 return;
1883 name = build_string (FRAME_W32_DISPLAY_INFO (f)->w32_id_name);
1885 else
1886 CHECK_STRING (name);
1888 /* Don't change the name if it's already NAME. */
1889 if (! NILP (Fstring_equal (name, f->name)))
1890 return;
1892 f->name = name;
1894 /* For setting the frame title, the title parameter should override
1895 the name parameter. */
1896 if (! NILP (f->title))
1897 name = f->title;
1899 if (FRAME_W32_WINDOW (f))
1901 if (STRING_MULTIBYTE (name))
1902 name = ENCODE_SYSTEM (name);
1904 BLOCK_INPUT;
1905 SetWindowText(FRAME_W32_WINDOW (f), SDATA (name));
1906 UNBLOCK_INPUT;
1910 /* This function should be called when the user's lisp code has
1911 specified a name for the frame; the name will override any set by the
1912 redisplay code. */
1913 void
1914 x_explicitly_set_name (f, arg, oldval)
1915 FRAME_PTR f;
1916 Lisp_Object arg, oldval;
1918 x_set_name (f, arg, 1);
1921 /* This function should be called by Emacs redisplay code to set the
1922 name; names set this way will never override names set by the user's
1923 lisp code. */
1924 void
1925 x_implicitly_set_name (f, arg, oldval)
1926 FRAME_PTR f;
1927 Lisp_Object arg, oldval;
1929 x_set_name (f, arg, 0);
1932 /* Change the title of frame F to NAME.
1933 If NAME is nil, use the frame name as the title.
1935 If EXPLICIT is non-zero, that indicates that lisp code is setting the
1936 name; if NAME is a string, set F's name to NAME and set
1937 F->explicit_name; if NAME is Qnil, then clear F->explicit_name.
1939 If EXPLICIT is zero, that indicates that Emacs redisplay code is
1940 suggesting a new name, which lisp code should override; if
1941 F->explicit_name is set, ignore the new name; otherwise, set it. */
1943 void
1944 x_set_title (f, name, old_name)
1945 struct frame *f;
1946 Lisp_Object name, old_name;
1948 /* Don't change the title if it's already NAME. */
1949 if (EQ (name, f->title))
1950 return;
1952 update_mode_lines = 1;
1954 f->title = name;
1956 if (NILP (name))
1957 name = f->name;
1959 if (FRAME_W32_WINDOW (f))
1961 if (STRING_MULTIBYTE (name))
1962 name = ENCODE_SYSTEM (name);
1964 BLOCK_INPUT;
1965 SetWindowText(FRAME_W32_WINDOW (f), SDATA (name));
1966 UNBLOCK_INPUT;
1971 void x_set_scroll_bar_default_width (f)
1972 struct frame *f;
1974 int wid = FRAME_COLUMN_WIDTH (f);
1976 FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = GetSystemMetrics (SM_CXVSCROLL);
1977 FRAME_CONFIG_SCROLL_BAR_COLS (f) = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f) +
1978 wid - 1) / wid;
1982 /* Subroutines of creating a frame. */
1985 /* Return the value of parameter PARAM.
1987 First search ALIST, then Vdefault_frame_alist, then the X defaults
1988 database, using ATTRIBUTE as the attribute name and CLASS as its class.
1990 Convert the resource to the type specified by desired_type.
1992 If no default is specified, return Qunbound. If you call
1993 w32_get_arg, make sure you deal with Qunbound in a reasonable way,
1994 and don't let it get stored in any Lisp-visible variables! */
1996 static Lisp_Object
1997 w32_get_arg (alist, param, attribute, class, type)
1998 Lisp_Object alist, param;
1999 char *attribute;
2000 char *class;
2001 enum resource_types type;
2003 return x_get_arg (check_x_display_info (Qnil),
2004 alist, param, attribute, class, type);
2008 Cursor
2009 w32_load_cursor (LPCTSTR name)
2011 /* Try first to load cursor from application resource. */
2012 Cursor cursor = LoadImage ((HINSTANCE) GetModuleHandle(NULL),
2013 name, IMAGE_CURSOR, 0, 0,
2014 LR_DEFAULTCOLOR | LR_DEFAULTSIZE | LR_SHARED);
2015 if (!cursor)
2017 /* Then try to load a shared predefined cursor. */
2018 cursor = LoadImage (NULL, name, IMAGE_CURSOR, 0, 0,
2019 LR_DEFAULTCOLOR | LR_DEFAULTSIZE | LR_SHARED);
2021 return cursor;
2024 extern LRESULT CALLBACK w32_wnd_proc ();
2026 BOOL
2027 w32_init_class (hinst)
2028 HINSTANCE hinst;
2030 WNDCLASS wc;
2032 wc.style = CS_HREDRAW | CS_VREDRAW;
2033 wc.lpfnWndProc = (WNDPROC) w32_wnd_proc;
2034 wc.cbClsExtra = 0;
2035 wc.cbWndExtra = WND_EXTRA_BYTES;
2036 wc.hInstance = hinst;
2037 wc.hIcon = LoadIcon (hinst, EMACS_CLASS);
2038 wc.hCursor = w32_load_cursor (IDC_ARROW);
2039 wc.hbrBackground = NULL; /* GetStockObject (WHITE_BRUSH); */
2040 wc.lpszMenuName = NULL;
2041 wc.lpszClassName = EMACS_CLASS;
2043 return (RegisterClass (&wc));
2046 HWND
2047 w32_createscrollbar (f, bar)
2048 struct frame *f;
2049 struct scroll_bar * bar;
2051 return (CreateWindow ("SCROLLBAR", "", SBS_VERT | WS_CHILD | WS_VISIBLE,
2052 /* Position and size of scroll bar. */
2053 XINT(bar->left) + VERTICAL_SCROLL_BAR_WIDTH_TRIM,
2054 XINT(bar->top),
2055 XINT(bar->width) - VERTICAL_SCROLL_BAR_WIDTH_TRIM * 2,
2056 XINT(bar->height),
2057 FRAME_W32_WINDOW (f),
2058 NULL,
2059 hinst,
2060 NULL));
2063 void
2064 w32_createwindow (f)
2065 struct frame *f;
2067 HWND hwnd;
2068 RECT rect;
2070 rect.left = rect.top = 0;
2071 rect.right = FRAME_PIXEL_WIDTH (f);
2072 rect.bottom = FRAME_PIXEL_HEIGHT (f);
2074 AdjustWindowRect (&rect, f->output_data.w32->dwStyle,
2075 FRAME_EXTERNAL_MENU_BAR (f));
2077 /* Do first time app init */
2079 if (!hprevinst)
2081 w32_init_class (hinst);
2084 FRAME_W32_WINDOW (f) = hwnd
2085 = CreateWindow (EMACS_CLASS,
2086 f->namebuf,
2087 f->output_data.w32->dwStyle | WS_CLIPCHILDREN,
2088 f->left_pos,
2089 f->top_pos,
2090 rect.right - rect.left,
2091 rect.bottom - rect.top,
2092 NULL,
2093 NULL,
2094 hinst,
2095 NULL);
2097 if (hwnd)
2099 SetWindowLong (hwnd, WND_FONTWIDTH_INDEX, FRAME_COLUMN_WIDTH (f));
2100 SetWindowLong (hwnd, WND_LINEHEIGHT_INDEX, FRAME_LINE_HEIGHT (f));
2101 SetWindowLong (hwnd, WND_BORDER_INDEX, FRAME_INTERNAL_BORDER_WIDTH (f));
2102 SetWindowLong (hwnd, WND_SCROLLBAR_INDEX, f->scroll_bar_actual_width);
2103 SetWindowLong (hwnd, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f));
2105 /* Enable drag-n-drop. */
2106 DragAcceptFiles (hwnd, TRUE);
2108 /* Do this to discard the default setting specified by our parent. */
2109 ShowWindow (hwnd, SW_HIDE);
2113 void
2114 my_post_msg (wmsg, hwnd, msg, wParam, lParam)
2115 W32Msg * wmsg;
2116 HWND hwnd;
2117 UINT msg;
2118 WPARAM wParam;
2119 LPARAM lParam;
2121 wmsg->msg.hwnd = hwnd;
2122 wmsg->msg.message = msg;
2123 wmsg->msg.wParam = wParam;
2124 wmsg->msg.lParam = lParam;
2125 wmsg->msg.time = GetMessageTime ();
2127 post_msg (wmsg);
2130 /* GetKeyState and MapVirtualKey on Windows 95 do not actually distinguish
2131 between left and right keys as advertised. We test for this
2132 support dynamically, and set a flag when the support is absent. If
2133 absent, we keep track of the left and right control and alt keys
2134 ourselves. This is particularly necessary on keyboards that rely
2135 upon the AltGr key, which is represented as having the left control
2136 and right alt keys pressed. For these keyboards, we need to know
2137 when the left alt key has been pressed in addition to the AltGr key
2138 so that we can properly support M-AltGr-key sequences (such as M-@
2139 on Swedish keyboards). */
2141 #define EMACS_LCONTROL 0
2142 #define EMACS_RCONTROL 1
2143 #define EMACS_LMENU 2
2144 #define EMACS_RMENU 3
2146 static int modifiers[4];
2147 static int modifiers_recorded;
2148 static int modifier_key_support_tested;
2150 static void
2151 test_modifier_support (unsigned int wparam)
2153 unsigned int l, r;
2155 if (wparam != VK_CONTROL && wparam != VK_MENU)
2156 return;
2157 if (wparam == VK_CONTROL)
2159 l = VK_LCONTROL;
2160 r = VK_RCONTROL;
2162 else
2164 l = VK_LMENU;
2165 r = VK_RMENU;
2167 if (!(GetKeyState (l) & 0x8000) && !(GetKeyState (r) & 0x8000))
2168 modifiers_recorded = 1;
2169 else
2170 modifiers_recorded = 0;
2171 modifier_key_support_tested = 1;
2174 static void
2175 record_keydown (unsigned int wparam, unsigned int lparam)
2177 int i;
2179 if (!modifier_key_support_tested)
2180 test_modifier_support (wparam);
2182 if ((wparam != VK_CONTROL && wparam != VK_MENU) || !modifiers_recorded)
2183 return;
2185 if (wparam == VK_CONTROL)
2186 i = (lparam & 0x1000000) ? EMACS_RCONTROL : EMACS_LCONTROL;
2187 else
2188 i = (lparam & 0x1000000) ? EMACS_RMENU : EMACS_LMENU;
2190 modifiers[i] = 1;
2193 static void
2194 record_keyup (unsigned int wparam, unsigned int lparam)
2196 int i;
2198 if ((wparam != VK_CONTROL && wparam != VK_MENU) || !modifiers_recorded)
2199 return;
2201 if (wparam == VK_CONTROL)
2202 i = (lparam & 0x1000000) ? EMACS_RCONTROL : EMACS_LCONTROL;
2203 else
2204 i = (lparam & 0x1000000) ? EMACS_RMENU : EMACS_LMENU;
2206 modifiers[i] = 0;
2209 /* Emacs can lose focus while a modifier key has been pressed. When
2210 it regains focus, be conservative and clear all modifiers since
2211 we cannot reconstruct the left and right modifier state. */
2212 static void
2213 reset_modifiers ()
2215 SHORT ctrl, alt;
2217 if (GetFocus () == NULL)
2218 /* Emacs doesn't have keyboard focus. Do nothing. */
2219 return;
2221 ctrl = GetAsyncKeyState (VK_CONTROL);
2222 alt = GetAsyncKeyState (VK_MENU);
2224 if (!(ctrl & 0x08000))
2225 /* Clear any recorded control modifier state. */
2226 modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0;
2228 if (!(alt & 0x08000))
2229 /* Clear any recorded alt modifier state. */
2230 modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0;
2232 /* Update the state of all modifier keys, because modifiers used in
2233 hot-key combinations can get stuck on if Emacs loses focus as a
2234 result of a hot-key being pressed. */
2236 BYTE keystate[256];
2238 #define CURRENT_STATE(key) ((GetAsyncKeyState (key) & 0x8000) >> 8)
2240 GetKeyboardState (keystate);
2241 keystate[VK_SHIFT] = CURRENT_STATE (VK_SHIFT);
2242 keystate[VK_CONTROL] = CURRENT_STATE (VK_CONTROL);
2243 keystate[VK_LCONTROL] = CURRENT_STATE (VK_LCONTROL);
2244 keystate[VK_RCONTROL] = CURRENT_STATE (VK_RCONTROL);
2245 keystate[VK_MENU] = CURRENT_STATE (VK_MENU);
2246 keystate[VK_LMENU] = CURRENT_STATE (VK_LMENU);
2247 keystate[VK_RMENU] = CURRENT_STATE (VK_RMENU);
2248 keystate[VK_LWIN] = CURRENT_STATE (VK_LWIN);
2249 keystate[VK_RWIN] = CURRENT_STATE (VK_RWIN);
2250 keystate[VK_APPS] = CURRENT_STATE (VK_APPS);
2251 SetKeyboardState (keystate);
2255 /* Synchronize modifier state with what is reported with the current
2256 keystroke. Even if we cannot distinguish between left and right
2257 modifier keys, we know that, if no modifiers are set, then neither
2258 the left or right modifier should be set. */
2259 static void
2260 sync_modifiers ()
2262 if (!modifiers_recorded)
2263 return;
2265 if (!(GetKeyState (VK_CONTROL) & 0x8000))
2266 modifiers[EMACS_RCONTROL] = modifiers[EMACS_LCONTROL] = 0;
2268 if (!(GetKeyState (VK_MENU) & 0x8000))
2269 modifiers[EMACS_RMENU] = modifiers[EMACS_LMENU] = 0;
2272 static int
2273 modifier_set (int vkey)
2275 if (vkey == VK_CAPITAL || vkey == VK_SCROLL)
2276 return (GetKeyState (vkey) & 0x1);
2277 if (!modifiers_recorded)
2278 return (GetKeyState (vkey) & 0x8000);
2280 switch (vkey)
2282 case VK_LCONTROL:
2283 return modifiers[EMACS_LCONTROL];
2284 case VK_RCONTROL:
2285 return modifiers[EMACS_RCONTROL];
2286 case VK_LMENU:
2287 return modifiers[EMACS_LMENU];
2288 case VK_RMENU:
2289 return modifiers[EMACS_RMENU];
2291 return (GetKeyState (vkey) & 0x8000);
2294 /* Convert between the modifier bits W32 uses and the modifier bits
2295 Emacs uses. */
2297 unsigned int
2298 w32_key_to_modifier (int key)
2300 Lisp_Object key_mapping;
2302 switch (key)
2304 case VK_LWIN:
2305 key_mapping = Vw32_lwindow_modifier;
2306 break;
2307 case VK_RWIN:
2308 key_mapping = Vw32_rwindow_modifier;
2309 break;
2310 case VK_APPS:
2311 key_mapping = Vw32_apps_modifier;
2312 break;
2313 case VK_SCROLL:
2314 key_mapping = Vw32_scroll_lock_modifier;
2315 break;
2316 default:
2317 key_mapping = Qnil;
2320 /* NB. This code runs in the input thread, asychronously to the lisp
2321 thread, so we must be careful to ensure access to lisp data is
2322 thread-safe. The following code is safe because the modifier
2323 variable values are updated atomically from lisp and symbols are
2324 not relocated by GC. Also, we don't have to worry about seeing GC
2325 markbits here. */
2326 if (EQ (key_mapping, Qhyper))
2327 return hyper_modifier;
2328 if (EQ (key_mapping, Qsuper))
2329 return super_modifier;
2330 if (EQ (key_mapping, Qmeta))
2331 return meta_modifier;
2332 if (EQ (key_mapping, Qalt))
2333 return alt_modifier;
2334 if (EQ (key_mapping, Qctrl))
2335 return ctrl_modifier;
2336 if (EQ (key_mapping, Qcontrol)) /* synonym for ctrl */
2337 return ctrl_modifier;
2338 if (EQ (key_mapping, Qshift))
2339 return shift_modifier;
2341 /* Don't generate any modifier if not explicitly requested. */
2342 return 0;
2345 unsigned int
2346 w32_get_modifiers ()
2348 return ((modifier_set (VK_SHIFT) ? shift_modifier : 0) |
2349 (modifier_set (VK_CONTROL) ? ctrl_modifier : 0) |
2350 (modifier_set (VK_LWIN) ? w32_key_to_modifier (VK_LWIN) : 0) |
2351 (modifier_set (VK_RWIN) ? w32_key_to_modifier (VK_RWIN) : 0) |
2352 (modifier_set (VK_APPS) ? w32_key_to_modifier (VK_APPS) : 0) |
2353 (modifier_set (VK_SCROLL) ? w32_key_to_modifier (VK_SCROLL) : 0) |
2354 (modifier_set (VK_MENU) ?
2355 ((NILP (Vw32_alt_is_meta)) ? alt_modifier : meta_modifier) : 0));
2358 /* We map the VK_* modifiers into console modifier constants
2359 so that we can use the same routines to handle both console
2360 and window input. */
2362 static int
2363 construct_console_modifiers ()
2365 int mods;
2367 mods = 0;
2368 mods |= (modifier_set (VK_SHIFT)) ? SHIFT_PRESSED : 0;
2369 mods |= (modifier_set (VK_CAPITAL)) ? CAPSLOCK_ON : 0;
2370 mods |= (modifier_set (VK_SCROLL)) ? SCROLLLOCK_ON : 0;
2371 mods |= (modifier_set (VK_NUMLOCK)) ? NUMLOCK_ON : 0;
2372 mods |= (modifier_set (VK_LCONTROL)) ? LEFT_CTRL_PRESSED : 0;
2373 mods |= (modifier_set (VK_RCONTROL)) ? RIGHT_CTRL_PRESSED : 0;
2374 mods |= (modifier_set (VK_LMENU)) ? LEFT_ALT_PRESSED : 0;
2375 mods |= (modifier_set (VK_RMENU)) ? RIGHT_ALT_PRESSED : 0;
2376 mods |= (modifier_set (VK_LWIN)) ? LEFT_WIN_PRESSED : 0;
2377 mods |= (modifier_set (VK_RWIN)) ? RIGHT_WIN_PRESSED : 0;
2378 mods |= (modifier_set (VK_APPS)) ? APPS_PRESSED : 0;
2380 return mods;
2383 static int
2384 w32_get_key_modifiers (unsigned int wparam, unsigned int lparam)
2386 int mods;
2388 /* Convert to emacs modifiers. */
2389 mods = w32_kbd_mods_to_emacs (construct_console_modifiers (), wparam);
2391 return mods;
2394 unsigned int
2395 map_keypad_keys (unsigned int virt_key, unsigned int extended)
2397 if (virt_key < VK_CLEAR || virt_key > VK_DELETE)
2398 return virt_key;
2400 if (virt_key == VK_RETURN)
2401 return (extended ? VK_NUMPAD_ENTER : VK_RETURN);
2403 if (virt_key >= VK_PRIOR && virt_key <= VK_DOWN)
2404 return (!extended ? (VK_NUMPAD_PRIOR + (virt_key - VK_PRIOR)) : virt_key);
2406 if (virt_key == VK_INSERT || virt_key == VK_DELETE)
2407 return (!extended ? (VK_NUMPAD_INSERT + (virt_key - VK_INSERT)) : virt_key);
2409 if (virt_key == VK_CLEAR)
2410 return (!extended ? VK_NUMPAD_CLEAR : virt_key);
2412 return virt_key;
2415 /* List of special key combinations which w32 would normally capture,
2416 but emacs should grab instead. Not directly visible to lisp, to
2417 simplify synchronization. Each item is an integer encoding a virtual
2418 key code and modifier combination to capture. */
2419 Lisp_Object w32_grabbed_keys;
2421 #define HOTKEY(vk,mods) make_number (((vk) & 255) | ((mods) << 8))
2422 #define HOTKEY_ID(k) (XFASTINT (k) & 0xbfff)
2423 #define HOTKEY_VK_CODE(k) (XFASTINT (k) & 255)
2424 #define HOTKEY_MODIFIERS(k) (XFASTINT (k) >> 8)
2426 #define RAW_HOTKEY_ID(k) ((k) & 0xbfff)
2427 #define RAW_HOTKEY_VK_CODE(k) ((k) & 255)
2428 #define RAW_HOTKEY_MODIFIERS(k) ((k) >> 8)
2430 /* Register hot-keys for reserved key combinations when Emacs has
2431 keyboard focus, since this is the only way Emacs can receive key
2432 combinations like Alt-Tab which are used by the system. */
2434 static void
2435 register_hot_keys (hwnd)
2436 HWND hwnd;
2438 Lisp_Object keylist;
2440 /* Use GC_CONSP, since we are called asynchronously. */
2441 for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist))
2443 Lisp_Object key = XCAR (keylist);
2445 /* Deleted entries get set to nil. */
2446 if (!INTEGERP (key))
2447 continue;
2449 RegisterHotKey (hwnd, HOTKEY_ID (key),
2450 HOTKEY_MODIFIERS (key), HOTKEY_VK_CODE (key));
2454 static void
2455 unregister_hot_keys (hwnd)
2456 HWND hwnd;
2458 Lisp_Object keylist;
2460 /* Use GC_CONSP, since we are called asynchronously. */
2461 for (keylist = w32_grabbed_keys; GC_CONSP (keylist); keylist = XCDR (keylist))
2463 Lisp_Object key = XCAR (keylist);
2465 if (!INTEGERP (key))
2466 continue;
2468 UnregisterHotKey (hwnd, HOTKEY_ID (key));
2472 /* Main message dispatch loop. */
2474 static void
2475 w32_msg_pump (deferred_msg * msg_buf)
2477 MSG msg;
2478 int result;
2479 HWND focus_window;
2481 msh_mousewheel = RegisterWindowMessage (MSH_MOUSEWHEEL);
2483 while (GetMessage (&msg, NULL, 0, 0))
2485 if (msg.hwnd == NULL)
2487 switch (msg.message)
2489 case WM_NULL:
2490 /* Produced by complete_deferred_msg; just ignore. */
2491 break;
2492 case WM_EMACS_CREATEWINDOW:
2493 w32_createwindow ((struct frame *) msg.wParam);
2494 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
2495 abort ();
2496 break;
2497 case WM_EMACS_SETLOCALE:
2498 SetThreadLocale (msg.wParam);
2499 /* Reply is not expected. */
2500 break;
2501 case WM_EMACS_SETKEYBOARDLAYOUT:
2502 result = (int) ActivateKeyboardLayout ((HKL) msg.wParam, 0);
2503 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE,
2504 result, 0))
2505 abort ();
2506 break;
2507 case WM_EMACS_REGISTER_HOT_KEY:
2508 focus_window = GetFocus ();
2509 if (focus_window != NULL)
2510 RegisterHotKey (focus_window,
2511 RAW_HOTKEY_ID (msg.wParam),
2512 RAW_HOTKEY_MODIFIERS (msg.wParam),
2513 RAW_HOTKEY_VK_CODE (msg.wParam));
2514 /* Reply is not expected. */
2515 break;
2516 case WM_EMACS_UNREGISTER_HOT_KEY:
2517 focus_window = GetFocus ();
2518 if (focus_window != NULL)
2519 UnregisterHotKey (focus_window, RAW_HOTKEY_ID (msg.wParam));
2520 /* Mark item as erased. NB: this code must be
2521 thread-safe. The next line is okay because the cons
2522 cell is never made into garbage and is not relocated by
2523 GC. */
2524 XSETCAR ((Lisp_Object) ((EMACS_INT) msg.lParam), Qnil);
2525 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
2526 abort ();
2527 break;
2528 case WM_EMACS_TOGGLE_LOCK_KEY:
2530 int vk_code = (int) msg.wParam;
2531 int cur_state = (GetKeyState (vk_code) & 1);
2532 Lisp_Object new_state = (Lisp_Object) ((EMACS_INT) msg.lParam);
2534 /* NB: This code must be thread-safe. It is safe to
2535 call NILP because symbols are not relocated by GC,
2536 and pointer here is not touched by GC (so the markbit
2537 can't be set). Numbers are safe because they are
2538 immediate values. */
2539 if (NILP (new_state)
2540 || (NUMBERP (new_state)
2541 && ((XUINT (new_state)) & 1) != cur_state))
2543 one_w32_display_info.faked_key = vk_code;
2545 keybd_event ((BYTE) vk_code,
2546 (BYTE) MapVirtualKey (vk_code, 0),
2547 KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
2548 keybd_event ((BYTE) vk_code,
2549 (BYTE) MapVirtualKey (vk_code, 0),
2550 KEYEVENTF_EXTENDEDKEY | 0, 0);
2551 keybd_event ((BYTE) vk_code,
2552 (BYTE) MapVirtualKey (vk_code, 0),
2553 KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
2554 cur_state = !cur_state;
2556 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE,
2557 cur_state, 0))
2558 abort ();
2560 break;
2561 default:
2562 DebPrint (("msg %x not expected by w32_msg_pump\n", msg.message));
2565 else
2567 DispatchMessage (&msg);
2570 /* Exit nested loop when our deferred message has completed. */
2571 if (msg_buf->completed)
2572 break;
2576 deferred_msg * deferred_msg_head;
2578 static deferred_msg *
2579 find_deferred_msg (HWND hwnd, UINT msg)
2581 deferred_msg * item;
2583 /* Don't actually need synchronization for read access, since
2584 modification of single pointer is always atomic. */
2585 /* enter_crit (); */
2587 for (item = deferred_msg_head; item != NULL; item = item->next)
2588 if (item->w32msg.msg.hwnd == hwnd
2589 && item->w32msg.msg.message == msg)
2590 break;
2592 /* leave_crit (); */
2594 return item;
2597 static LRESULT
2598 send_deferred_msg (deferred_msg * msg_buf,
2599 HWND hwnd,
2600 UINT msg,
2601 WPARAM wParam,
2602 LPARAM lParam)
2604 /* Only input thread can send deferred messages. */
2605 if (GetCurrentThreadId () != dwWindowsThreadId)
2606 abort ();
2608 /* It is an error to send a message that is already deferred. */
2609 if (find_deferred_msg (hwnd, msg) != NULL)
2610 abort ();
2612 /* Enforced synchronization is not needed because this is the only
2613 function that alters deferred_msg_head, and the following critical
2614 section is guaranteed to only be serially reentered (since only the
2615 input thread can call us). */
2617 /* enter_crit (); */
2619 msg_buf->completed = 0;
2620 msg_buf->next = deferred_msg_head;
2621 deferred_msg_head = msg_buf;
2622 my_post_msg (&msg_buf->w32msg, hwnd, msg, wParam, lParam);
2624 /* leave_crit (); */
2626 /* Start a new nested message loop to process other messages until
2627 this one is completed. */
2628 w32_msg_pump (msg_buf);
2630 deferred_msg_head = msg_buf->next;
2632 return msg_buf->result;
2635 void
2636 complete_deferred_msg (HWND hwnd, UINT msg, LRESULT result)
2638 deferred_msg * msg_buf = find_deferred_msg (hwnd, msg);
2640 if (msg_buf == NULL)
2641 /* Message may have been cancelled, so don't abort(). */
2642 return;
2644 msg_buf->result = result;
2645 msg_buf->completed = 1;
2647 /* Ensure input thread is woken so it notices the completion. */
2648 PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0);
2651 void
2652 cancel_all_deferred_msgs ()
2654 deferred_msg * item;
2656 /* Don't actually need synchronization for read access, since
2657 modification of single pointer is always atomic. */
2658 /* enter_crit (); */
2660 for (item = deferred_msg_head; item != NULL; item = item->next)
2662 item->result = 0;
2663 item->completed = 1;
2666 /* leave_crit (); */
2668 /* Ensure input thread is woken so it notices the completion. */
2669 PostThreadMessage (dwWindowsThreadId, WM_NULL, 0, 0);
2672 DWORD
2673 w32_msg_worker (dw)
2674 DWORD dw;
2676 MSG msg;
2677 deferred_msg dummy_buf;
2679 /* Ensure our message queue is created */
2681 PeekMessage (&msg, NULL, 0, 0, PM_NOREMOVE);
2683 if (!PostThreadMessage (dwMainThreadId, WM_EMACS_DONE, 0, 0))
2684 abort ();
2686 memset (&dummy_buf, 0, sizeof (dummy_buf));
2687 dummy_buf.w32msg.msg.hwnd = NULL;
2688 dummy_buf.w32msg.msg.message = WM_NULL;
2690 /* This is the inital message loop which should only exit when the
2691 application quits. */
2692 w32_msg_pump (&dummy_buf);
2694 return 0;
2697 static void
2698 post_character_message (hwnd, msg, wParam, lParam, modifiers)
2699 HWND hwnd;
2700 UINT msg;
2701 WPARAM wParam;
2702 LPARAM lParam;
2703 DWORD modifiers;
2706 W32Msg wmsg;
2708 wmsg.dwModifiers = modifiers;
2710 /* Detect quit_char and set quit-flag directly. Note that we
2711 still need to post a message to ensure the main thread will be
2712 woken up if blocked in sys_select(), but we do NOT want to post
2713 the quit_char message itself (because it will usually be as if
2714 the user had typed quit_char twice). Instead, we post a dummy
2715 message that has no particular effect. */
2717 int c = wParam;
2718 if (isalpha (c) && wmsg.dwModifiers == ctrl_modifier)
2719 c = make_ctrl_char (c) & 0377;
2720 if (c == quit_char
2721 || (wmsg.dwModifiers == 0 &&
2722 w32_quit_key && wParam == w32_quit_key))
2724 Vquit_flag = Qt;
2726 /* The choice of message is somewhat arbitrary, as long as
2727 the main thread handler just ignores it. */
2728 msg = WM_NULL;
2730 /* Interrupt any blocking system calls. */
2731 signal_quit ();
2733 /* As a safety precaution, forcibly complete any deferred
2734 messages. This is a kludge, but I don't see any particularly
2735 clean way to handle the situation where a deferred message is
2736 "dropped" in the lisp thread, and will thus never be
2737 completed, eg. by the user trying to activate the menubar
2738 when the lisp thread is busy, and then typing C-g when the
2739 menubar doesn't open promptly (with the result that the
2740 menubar never responds at all because the deferred
2741 WM_INITMENU message is never completed). Another problem
2742 situation is when the lisp thread calls SendMessage (to send
2743 a window manager command) when a message has been deferred;
2744 the lisp thread gets blocked indefinitely waiting for the
2745 deferred message to be completed, which itself is waiting for
2746 the lisp thread to respond.
2748 Note that we don't want to block the input thread waiting for
2749 a reponse from the lisp thread (although that would at least
2750 solve the deadlock problem above), because we want to be able
2751 to receive C-g to interrupt the lisp thread. */
2752 cancel_all_deferred_msgs ();
2756 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
2759 /* Main window procedure */
2761 LRESULT CALLBACK
2762 w32_wnd_proc (hwnd, msg, wParam, lParam)
2763 HWND hwnd;
2764 UINT msg;
2765 WPARAM wParam;
2766 LPARAM lParam;
2768 struct frame *f;
2769 struct w32_display_info *dpyinfo = &one_w32_display_info;
2770 W32Msg wmsg;
2771 int windows_translate;
2772 int key;
2774 /* Note that it is okay to call x_window_to_frame, even though we are
2775 not running in the main lisp thread, because frame deletion
2776 requires the lisp thread to synchronize with this thread. Thus, if
2777 a frame struct is returned, it can be used without concern that the
2778 lisp thread might make it disappear while we are using it.
2780 NB. Walking the frame list in this thread is safe (as long as
2781 writes of Lisp_Object slots are atomic, which they are on Windows).
2782 Although delete-frame can destructively modify the frame list while
2783 we are walking it, a garbage collection cannot occur until after
2784 delete-frame has synchronized with this thread.
2786 It is also safe to use functions that make GDI calls, such as
2787 w32_clear_rect, because these functions must obtain a DC handle
2788 from the frame struct using get_frame_dc which is thread-aware. */
2790 switch (msg)
2792 case WM_ERASEBKGND:
2793 f = x_window_to_frame (dpyinfo, hwnd);
2794 if (f)
2796 HDC hdc = get_frame_dc (f);
2797 GetUpdateRect (hwnd, &wmsg.rect, FALSE);
2798 w32_clear_rect (f, hdc, &wmsg.rect);
2799 release_frame_dc (f, hdc);
2801 #if defined (W32_DEBUG_DISPLAY)
2802 DebPrint (("WM_ERASEBKGND (frame %p): erasing %d,%d-%d,%d\n",
2804 wmsg.rect.left, wmsg.rect.top,
2805 wmsg.rect.right, wmsg.rect.bottom));
2806 #endif /* W32_DEBUG_DISPLAY */
2808 return 1;
2809 case WM_PALETTECHANGED:
2810 /* ignore our own changes */
2811 if ((HWND)wParam != hwnd)
2813 f = x_window_to_frame (dpyinfo, hwnd);
2814 if (f)
2815 /* get_frame_dc will realize our palette and force all
2816 frames to be redrawn if needed. */
2817 release_frame_dc (f, get_frame_dc (f));
2819 return 0;
2820 case WM_PAINT:
2822 PAINTSTRUCT paintStruct;
2823 RECT update_rect;
2824 bzero (&update_rect, sizeof (update_rect));
2826 f = x_window_to_frame (dpyinfo, hwnd);
2827 if (f == 0)
2829 DebPrint (("WM_PAINT received for unknown window %p\n", hwnd));
2830 return 0;
2833 /* MSDN Docs say not to call BeginPaint if GetUpdateRect
2834 fails. Apparently this can happen under some
2835 circumstances. */
2836 if (GetUpdateRect (hwnd, &update_rect, FALSE) || !w32_strict_painting)
2838 enter_crit ();
2839 BeginPaint (hwnd, &paintStruct);
2841 /* The rectangles returned by GetUpdateRect and BeginPaint
2842 do not always match. Play it safe by assuming both areas
2843 are invalid. */
2844 UnionRect (&(wmsg.rect), &update_rect, &(paintStruct.rcPaint));
2846 #if defined (W32_DEBUG_DISPLAY)
2847 DebPrint (("WM_PAINT (frame %p): painting %d,%d-%d,%d\n",
2849 wmsg.rect.left, wmsg.rect.top,
2850 wmsg.rect.right, wmsg.rect.bottom));
2851 DebPrint ((" [update region is %d,%d-%d,%d]\n",
2852 update_rect.left, update_rect.top,
2853 update_rect.right, update_rect.bottom));
2854 #endif
2855 EndPaint (hwnd, &paintStruct);
2856 leave_crit ();
2858 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
2860 return 0;
2863 /* If GetUpdateRect returns 0 (meaning there is no update
2864 region), assume the whole window needs to be repainted. */
2865 GetClientRect(hwnd, &wmsg.rect);
2866 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
2867 return 0;
2870 case WM_INPUTLANGCHANGE:
2871 /* Inform lisp thread of keyboard layout changes. */
2872 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
2874 /* Clear dead keys in the keyboard state; for simplicity only
2875 preserve modifier key states. */
2877 int i;
2878 BYTE keystate[256];
2880 GetKeyboardState (keystate);
2881 for (i = 0; i < 256; i++)
2882 if (1
2883 && i != VK_SHIFT
2884 && i != VK_LSHIFT
2885 && i != VK_RSHIFT
2886 && i != VK_CAPITAL
2887 && i != VK_NUMLOCK
2888 && i != VK_SCROLL
2889 && i != VK_CONTROL
2890 && i != VK_LCONTROL
2891 && i != VK_RCONTROL
2892 && i != VK_MENU
2893 && i != VK_LMENU
2894 && i != VK_RMENU
2895 && i != VK_LWIN
2896 && i != VK_RWIN)
2897 keystate[i] = 0;
2898 SetKeyboardState (keystate);
2900 goto dflt;
2902 case WM_HOTKEY:
2903 /* Synchronize hot keys with normal input. */
2904 PostMessage (hwnd, WM_KEYDOWN, HIWORD (lParam), 0);
2905 return (0);
2907 case WM_KEYUP:
2908 case WM_SYSKEYUP:
2909 record_keyup (wParam, lParam);
2910 goto dflt;
2912 case WM_KEYDOWN:
2913 case WM_SYSKEYDOWN:
2914 /* Ignore keystrokes we fake ourself; see below. */
2915 if (dpyinfo->faked_key == wParam)
2917 dpyinfo->faked_key = 0;
2918 /* Make sure TranslateMessage sees them though (as long as
2919 they don't produce WM_CHAR messages). This ensures that
2920 indicator lights are toggled promptly on Windows 9x, for
2921 example. */
2922 if (lispy_function_keys[wParam] != 0)
2924 windows_translate = 1;
2925 goto translate;
2927 return 0;
2930 /* Synchronize modifiers with current keystroke. */
2931 sync_modifiers ();
2932 record_keydown (wParam, lParam);
2933 wParam = map_keypad_keys (wParam, (lParam & 0x1000000L) != 0);
2935 windows_translate = 0;
2937 switch (wParam)
2939 case VK_LWIN:
2940 if (NILP (Vw32_pass_lwindow_to_system))
2942 /* Prevent system from acting on keyup (which opens the
2943 Start menu if no other key was pressed) by simulating a
2944 press of Space which we will ignore. */
2945 if (GetAsyncKeyState (wParam) & 1)
2947 if (NUMBERP (Vw32_phantom_key_code))
2948 key = XUINT (Vw32_phantom_key_code) & 255;
2949 else
2950 key = VK_SPACE;
2951 dpyinfo->faked_key = key;
2952 keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0);
2955 if (!NILP (Vw32_lwindow_modifier))
2956 return 0;
2957 break;
2958 case VK_RWIN:
2959 if (NILP (Vw32_pass_rwindow_to_system))
2961 if (GetAsyncKeyState (wParam) & 1)
2963 if (NUMBERP (Vw32_phantom_key_code))
2964 key = XUINT (Vw32_phantom_key_code) & 255;
2965 else
2966 key = VK_SPACE;
2967 dpyinfo->faked_key = key;
2968 keybd_event (key, (BYTE) MapVirtualKey (key, 0), 0, 0);
2971 if (!NILP (Vw32_rwindow_modifier))
2972 return 0;
2973 break;
2974 case VK_APPS:
2975 if (!NILP (Vw32_apps_modifier))
2976 return 0;
2977 break;
2978 case VK_MENU:
2979 if (NILP (Vw32_pass_alt_to_system))
2980 /* Prevent DefWindowProc from activating the menu bar if an
2981 Alt key is pressed and released by itself. */
2982 return 0;
2983 windows_translate = 1;
2984 break;
2985 case VK_CAPITAL:
2986 /* Decide whether to treat as modifier or function key. */
2987 if (NILP (Vw32_enable_caps_lock))
2988 goto disable_lock_key;
2989 windows_translate = 1;
2990 break;
2991 case VK_NUMLOCK:
2992 /* Decide whether to treat as modifier or function key. */
2993 if (NILP (Vw32_enable_num_lock))
2994 goto disable_lock_key;
2995 windows_translate = 1;
2996 break;
2997 case VK_SCROLL:
2998 /* Decide whether to treat as modifier or function key. */
2999 if (NILP (Vw32_scroll_lock_modifier))
3000 goto disable_lock_key;
3001 windows_translate = 1;
3002 break;
3003 disable_lock_key:
3004 /* Ensure the appropriate lock key state (and indicator light)
3005 remains in the same state. We do this by faking another
3006 press of the relevant key. Apparently, this really is the
3007 only way to toggle the state of the indicator lights. */
3008 dpyinfo->faked_key = wParam;
3009 keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
3010 KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
3011 keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
3012 KEYEVENTF_EXTENDEDKEY | 0, 0);
3013 keybd_event ((BYTE) wParam, (BYTE) MapVirtualKey (wParam, 0),
3014 KEYEVENTF_EXTENDEDKEY | KEYEVENTF_KEYUP, 0);
3015 /* Ensure indicator lights are updated promptly on Windows 9x
3016 (TranslateMessage apparently does this), after forwarding
3017 input event. */
3018 post_character_message (hwnd, msg, wParam, lParam,
3019 w32_get_key_modifiers (wParam, lParam));
3020 windows_translate = 1;
3021 break;
3022 case VK_CONTROL:
3023 case VK_SHIFT:
3024 case VK_PROCESSKEY: /* Generated by IME. */
3025 windows_translate = 1;
3026 break;
3027 case VK_CANCEL:
3028 /* Windows maps Ctrl-Pause (aka Ctrl-Break) into VK_CANCEL,
3029 which is confusing for purposes of key binding; convert
3030 VK_CANCEL events into VK_PAUSE events. */
3031 wParam = VK_PAUSE;
3032 break;
3033 case VK_PAUSE:
3034 /* Windows maps Ctrl-NumLock into VK_PAUSE, which is confusing
3035 for purposes of key binding; convert these back into
3036 VK_NUMLOCK events, at least when we want to see NumLock key
3037 presses. (Note that there is never any possibility that
3038 VK_PAUSE with Ctrl really is C-Pause as per above.) */
3039 if (NILP (Vw32_enable_num_lock) && modifier_set (VK_CONTROL))
3040 wParam = VK_NUMLOCK;
3041 break;
3042 default:
3043 /* If not defined as a function key, change it to a WM_CHAR message. */
3044 if (lispy_function_keys[wParam] == 0)
3046 DWORD modifiers = construct_console_modifiers ();
3048 if (!NILP (Vw32_recognize_altgr)
3049 && modifier_set (VK_LCONTROL) && modifier_set (VK_RMENU))
3051 /* Always let TranslateMessage handle AltGr key chords;
3052 for some reason, ToAscii doesn't always process AltGr
3053 chords correctly. */
3054 windows_translate = 1;
3056 else if ((modifiers & (~SHIFT_PRESSED & ~CAPSLOCK_ON)) != 0)
3058 /* Handle key chords including any modifiers other
3059 than shift directly, in order to preserve as much
3060 modifier information as possible. */
3061 if ('A' <= wParam && wParam <= 'Z')
3063 /* Don't translate modified alphabetic keystrokes,
3064 so the user doesn't need to constantly switch
3065 layout to type control or meta keystrokes when
3066 the normal layout translates alphabetic
3067 characters to non-ascii characters. */
3068 if (!modifier_set (VK_SHIFT))
3069 wParam += ('a' - 'A');
3070 msg = WM_CHAR;
3072 else
3074 /* Try to handle other keystrokes by determining the
3075 base character (ie. translating the base key plus
3076 shift modifier). */
3077 int add;
3078 int isdead = 0;
3079 KEY_EVENT_RECORD key;
3081 key.bKeyDown = TRUE;
3082 key.wRepeatCount = 1;
3083 key.wVirtualKeyCode = wParam;
3084 key.wVirtualScanCode = (lParam & 0xFF0000) >> 16;
3085 key.uChar.AsciiChar = 0;
3086 key.dwControlKeyState = modifiers;
3088 add = w32_kbd_patch_key (&key);
3089 /* 0 means an unrecognised keycode, negative means
3090 dead key. Ignore both. */
3091 while (--add >= 0)
3093 /* Forward asciified character sequence. */
3094 post_character_message
3095 (hwnd, WM_CHAR, key.uChar.AsciiChar, lParam,
3096 w32_get_key_modifiers (wParam, lParam));
3097 w32_kbd_patch_key (&key);
3099 return 0;
3102 else
3104 /* Let TranslateMessage handle everything else. */
3105 windows_translate = 1;
3110 translate:
3111 if (windows_translate)
3113 MSG windows_msg = { hwnd, msg, wParam, lParam, 0, {0,0} };
3115 windows_msg.time = GetMessageTime ();
3116 TranslateMessage (&windows_msg);
3117 goto dflt;
3120 /* Fall through */
3122 case WM_SYSCHAR:
3123 case WM_CHAR:
3124 post_character_message (hwnd, msg, wParam, lParam,
3125 w32_get_key_modifiers (wParam, lParam));
3126 break;
3128 /* Simulate middle mouse button events when left and right buttons
3129 are used together, but only if user has two button mouse. */
3130 case WM_LBUTTONDOWN:
3131 case WM_RBUTTONDOWN:
3132 if (w32_num_mouse_buttons > 2)
3133 goto handle_plain_button;
3136 int this = (msg == WM_LBUTTONDOWN) ? LMOUSE : RMOUSE;
3137 int other = (msg == WM_LBUTTONDOWN) ? RMOUSE : LMOUSE;
3139 if (button_state & this)
3140 return 0;
3142 if (button_state == 0)
3143 SetCapture (hwnd);
3145 button_state |= this;
3147 if (button_state & other)
3149 if (mouse_button_timer)
3151 KillTimer (hwnd, mouse_button_timer);
3152 mouse_button_timer = 0;
3154 /* Generate middle mouse event instead. */
3155 msg = WM_MBUTTONDOWN;
3156 button_state |= MMOUSE;
3158 else if (button_state & MMOUSE)
3160 /* Ignore button event if we've already generated a
3161 middle mouse down event. This happens if the
3162 user releases and press one of the two buttons
3163 after we've faked a middle mouse event. */
3164 return 0;
3166 else
3168 /* Flush out saved message. */
3169 post_msg (&saved_mouse_button_msg);
3171 wmsg.dwModifiers = w32_get_modifiers ();
3172 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3174 /* Clear message buffer. */
3175 saved_mouse_button_msg.msg.hwnd = 0;
3177 else
3179 /* Hold onto message for now. */
3180 mouse_button_timer =
3181 SetTimer (hwnd, MOUSE_BUTTON_ID,
3182 w32_mouse_button_tolerance, NULL);
3183 saved_mouse_button_msg.msg.hwnd = hwnd;
3184 saved_mouse_button_msg.msg.message = msg;
3185 saved_mouse_button_msg.msg.wParam = wParam;
3186 saved_mouse_button_msg.msg.lParam = lParam;
3187 saved_mouse_button_msg.msg.time = GetMessageTime ();
3188 saved_mouse_button_msg.dwModifiers = w32_get_modifiers ();
3191 return 0;
3193 case WM_LBUTTONUP:
3194 case WM_RBUTTONUP:
3195 if (w32_num_mouse_buttons > 2)
3196 goto handle_plain_button;
3199 int this = (msg == WM_LBUTTONUP) ? LMOUSE : RMOUSE;
3200 int other = (msg == WM_LBUTTONUP) ? RMOUSE : LMOUSE;
3202 if ((button_state & this) == 0)
3203 return 0;
3205 button_state &= ~this;
3207 if (button_state & MMOUSE)
3209 /* Only generate event when second button is released. */
3210 if ((button_state & other) == 0)
3212 msg = WM_MBUTTONUP;
3213 button_state &= ~MMOUSE;
3215 if (button_state) abort ();
3217 else
3218 return 0;
3220 else
3222 /* Flush out saved message if necessary. */
3223 if (saved_mouse_button_msg.msg.hwnd)
3225 post_msg (&saved_mouse_button_msg);
3228 wmsg.dwModifiers = w32_get_modifiers ();
3229 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3231 /* Always clear message buffer and cancel timer. */
3232 saved_mouse_button_msg.msg.hwnd = 0;
3233 KillTimer (hwnd, mouse_button_timer);
3234 mouse_button_timer = 0;
3236 if (button_state == 0)
3237 ReleaseCapture ();
3239 return 0;
3241 case WM_XBUTTONDOWN:
3242 case WM_XBUTTONUP:
3243 if (w32_pass_extra_mouse_buttons_to_system)
3244 goto dflt;
3245 /* else fall through and process them. */
3246 case WM_MBUTTONDOWN:
3247 case WM_MBUTTONUP:
3248 handle_plain_button:
3250 BOOL up;
3251 int button;
3253 if (parse_button (msg, HIWORD (wParam), &button, &up))
3255 if (up) ReleaseCapture ();
3256 else SetCapture (hwnd);
3257 button = (button == 0) ? LMOUSE :
3258 ((button == 1) ? MMOUSE : RMOUSE);
3259 if (up)
3260 button_state &= ~button;
3261 else
3262 button_state |= button;
3266 wmsg.dwModifiers = w32_get_modifiers ();
3267 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3269 /* Need to return true for XBUTTON messages, false for others,
3270 to indicate that we processed the message. */
3271 return (msg == WM_XBUTTONDOWN || msg == WM_XBUTTONUP);
3273 case WM_MOUSEMOVE:
3274 /* If the mouse has just moved into the frame, start tracking
3275 it, so we will be notified when it leaves the frame. Mouse
3276 tracking only works under W98 and NT4 and later. On earlier
3277 versions, there is no way of telling when the mouse leaves the
3278 frame, so we just have to put up with help-echo and mouse
3279 highlighting remaining while the frame is not active. */
3280 if (track_mouse_event_fn && !track_mouse_window)
3282 TRACKMOUSEEVENT tme;
3283 tme.cbSize = sizeof (tme);
3284 tme.dwFlags = TME_LEAVE;
3285 tme.hwndTrack = hwnd;
3287 track_mouse_event_fn (&tme);
3288 track_mouse_window = hwnd;
3290 case WM_VSCROLL:
3291 if (w32_mouse_move_interval <= 0
3292 || (msg == WM_MOUSEMOVE && button_state == 0))
3294 wmsg.dwModifiers = w32_get_modifiers ();
3295 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3296 return 0;
3299 /* Hang onto mouse move and scroll messages for a bit, to avoid
3300 sending such events to Emacs faster than it can process them.
3301 If we get more events before the timer from the first message
3302 expires, we just replace the first message. */
3304 if (saved_mouse_move_msg.msg.hwnd == 0)
3305 mouse_move_timer =
3306 SetTimer (hwnd, MOUSE_MOVE_ID,
3307 w32_mouse_move_interval, NULL);
3309 /* Hold onto message for now. */
3310 saved_mouse_move_msg.msg.hwnd = hwnd;
3311 saved_mouse_move_msg.msg.message = msg;
3312 saved_mouse_move_msg.msg.wParam = wParam;
3313 saved_mouse_move_msg.msg.lParam = lParam;
3314 saved_mouse_move_msg.msg.time = GetMessageTime ();
3315 saved_mouse_move_msg.dwModifiers = w32_get_modifiers ();
3317 return 0;
3319 case WM_MOUSEWHEEL:
3320 wmsg.dwModifiers = w32_get_modifiers ();
3321 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3322 return 0;
3324 case WM_DROPFILES:
3325 wmsg.dwModifiers = w32_get_modifiers ();
3326 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3327 return 0;
3329 case WM_TIMER:
3330 /* Flush out saved messages if necessary. */
3331 if (wParam == mouse_button_timer)
3333 if (saved_mouse_button_msg.msg.hwnd)
3335 post_msg (&saved_mouse_button_msg);
3336 saved_mouse_button_msg.msg.hwnd = 0;
3338 KillTimer (hwnd, mouse_button_timer);
3339 mouse_button_timer = 0;
3341 else if (wParam == mouse_move_timer)
3343 if (saved_mouse_move_msg.msg.hwnd)
3345 post_msg (&saved_mouse_move_msg);
3346 saved_mouse_move_msg.msg.hwnd = 0;
3348 KillTimer (hwnd, mouse_move_timer);
3349 mouse_move_timer = 0;
3351 else if (wParam == menu_free_timer)
3353 KillTimer (hwnd, menu_free_timer);
3354 menu_free_timer = 0;
3355 f = x_window_to_frame (dpyinfo, hwnd);
3356 if (!f->output_data.w32->menu_command_in_progress)
3358 /* Free memory used by owner-drawn and help-echo strings. */
3359 w32_free_menu_strings (hwnd);
3360 f->output_data.w32->menubar_active = 0;
3363 return 0;
3365 case WM_NCACTIVATE:
3366 /* Windows doesn't send us focus messages when putting up and
3367 taking down a system popup dialog as for Ctrl-Alt-Del on Windows 95.
3368 The only indication we get that something happened is receiving
3369 this message afterwards. So this is a good time to reset our
3370 keyboard modifiers' state. */
3371 reset_modifiers ();
3372 goto dflt;
3374 case WM_INITMENU:
3375 button_state = 0;
3376 ReleaseCapture ();
3377 /* We must ensure menu bar is fully constructed and up to date
3378 before allowing user interaction with it. To achieve this
3379 we send this message to the lisp thread and wait for a
3380 reply (whose value is not actually needed) to indicate that
3381 the menu bar is now ready for use, so we can now return.
3383 To remain responsive in the meantime, we enter a nested message
3384 loop that can process all other messages.
3386 However, we skip all this if the message results from calling
3387 TrackPopupMenu - in fact, we must NOT attempt to send the lisp
3388 thread a message because it is blocked on us at this point. We
3389 set menubar_active before calling TrackPopupMenu to indicate
3390 this (there is no possibility of confusion with real menubar
3391 being active). */
3393 f = x_window_to_frame (dpyinfo, hwnd);
3394 if (f
3395 && (f->output_data.w32->menubar_active
3396 /* We can receive this message even in the absence of a
3397 menubar (ie. when the system menu is activated) - in this
3398 case we do NOT want to forward the message, otherwise it
3399 will cause the menubar to suddenly appear when the user
3400 had requested it to be turned off! */
3401 || f->output_data.w32->menubar_widget == NULL))
3402 return 0;
3405 deferred_msg msg_buf;
3407 /* Detect if message has already been deferred; in this case
3408 we cannot return any sensible value to ignore this. */
3409 if (find_deferred_msg (hwnd, msg) != NULL)
3410 abort ();
3412 return send_deferred_msg (&msg_buf, hwnd, msg, wParam, lParam);
3415 case WM_EXITMENULOOP:
3416 f = x_window_to_frame (dpyinfo, hwnd);
3418 /* If a menu command is not already in progress, check again
3419 after a short delay, since Windows often (always?) sends the
3420 WM_EXITMENULOOP before the corresponding WM_COMMAND message. */
3421 if (f && !f->output_data.w32->menu_command_in_progress)
3422 menu_free_timer = SetTimer (hwnd, MENU_FREE_ID, MENU_FREE_DELAY, NULL);
3423 goto dflt;
3425 case WM_MENUSELECT:
3426 /* Direct handling of help_echo in menus. Should be safe now
3427 that we generate the help_echo by placing a help event in the
3428 keyboard buffer. */
3430 HMENU menu = (HMENU) lParam;
3431 UINT menu_item = (UINT) LOWORD (wParam);
3432 UINT flags = (UINT) HIWORD (wParam);
3434 w32_menu_display_help (hwnd, menu, menu_item, flags);
3436 return 0;
3438 case WM_MEASUREITEM:
3439 f = x_window_to_frame (dpyinfo, hwnd);
3440 if (f)
3442 MEASUREITEMSTRUCT * pMis = (MEASUREITEMSTRUCT *) lParam;
3444 if (pMis->CtlType == ODT_MENU)
3446 /* Work out dimensions for popup menu titles. */
3447 char * title = (char *) pMis->itemData;
3448 HDC hdc = GetDC (hwnd);
3449 HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT);
3450 LOGFONT menu_logfont;
3451 HFONT old_font;
3452 SIZE size;
3454 GetObject (menu_font, sizeof (menu_logfont), &menu_logfont);
3455 menu_logfont.lfWeight = FW_BOLD;
3456 menu_font = CreateFontIndirect (&menu_logfont);
3457 old_font = SelectObject (hdc, menu_font);
3459 pMis->itemHeight = GetSystemMetrics (SM_CYMENUSIZE);
3460 if (title)
3462 if (unicode_append_menu)
3463 GetTextExtentPoint32W (hdc, (WCHAR *) title,
3464 wcslen ((WCHAR *) title),
3465 &size);
3466 else
3467 GetTextExtentPoint32 (hdc, title, strlen (title), &size);
3469 pMis->itemWidth = size.cx;
3470 if (pMis->itemHeight < size.cy)
3471 pMis->itemHeight = size.cy;
3473 else
3474 pMis->itemWidth = 0;
3476 SelectObject (hdc, old_font);
3477 DeleteObject (menu_font);
3478 ReleaseDC (hwnd, hdc);
3479 return TRUE;
3482 return 0;
3484 case WM_DRAWITEM:
3485 f = x_window_to_frame (dpyinfo, hwnd);
3486 if (f)
3488 DRAWITEMSTRUCT * pDis = (DRAWITEMSTRUCT *) lParam;
3490 if (pDis->CtlType == ODT_MENU)
3492 /* Draw popup menu title. */
3493 char * title = (char *) pDis->itemData;
3494 if (title)
3496 HDC hdc = pDis->hDC;
3497 HFONT menu_font = GetCurrentObject (hdc, OBJ_FONT);
3498 LOGFONT menu_logfont;
3499 HFONT old_font;
3501 GetObject (menu_font, sizeof (menu_logfont), &menu_logfont);
3502 menu_logfont.lfWeight = FW_BOLD;
3503 menu_font = CreateFontIndirect (&menu_logfont);
3504 old_font = SelectObject (hdc, menu_font);
3506 /* Always draw title as if not selected. */
3507 if (unicode_append_menu)
3508 ExtTextOutW (hdc,
3509 pDis->rcItem.left
3510 + GetSystemMetrics (SM_CXMENUCHECK),
3511 pDis->rcItem.top,
3512 ETO_OPAQUE, &pDis->rcItem,
3513 (WCHAR *) title,
3514 wcslen ((WCHAR *) title), NULL);
3515 else
3516 ExtTextOut (hdc,
3517 pDis->rcItem.left
3518 + GetSystemMetrics (SM_CXMENUCHECK),
3519 pDis->rcItem.top,
3520 ETO_OPAQUE, &pDis->rcItem,
3521 title, strlen (title), NULL);
3523 SelectObject (hdc, old_font);
3524 DeleteObject (menu_font);
3526 return TRUE;
3529 return 0;
3531 #if 0
3532 /* Still not right - can't distinguish between clicks in the
3533 client area of the frame from clicks forwarded from the scroll
3534 bars - may have to hook WM_NCHITTEST to remember the mouse
3535 position and then check if it is in the client area ourselves. */
3536 case WM_MOUSEACTIVATE:
3537 /* Discard the mouse click that activates a frame, allowing the
3538 user to click anywhere without changing point (or worse!).
3539 Don't eat mouse clicks on scrollbars though!! */
3540 if (LOWORD (lParam) == HTCLIENT )
3541 return MA_ACTIVATEANDEAT;
3542 goto dflt;
3543 #endif
3545 case WM_MOUSELEAVE:
3546 /* No longer tracking mouse. */
3547 track_mouse_window = NULL;
3549 case WM_ACTIVATEAPP:
3550 case WM_ACTIVATE:
3551 case WM_WINDOWPOSCHANGED:
3552 case WM_SHOWWINDOW:
3553 /* Inform lisp thread that a frame might have just been obscured
3554 or exposed, so should recheck visibility of all frames. */
3555 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3556 goto dflt;
3558 case WM_SETFOCUS:
3559 dpyinfo->faked_key = 0;
3560 reset_modifiers ();
3561 register_hot_keys (hwnd);
3562 goto command;
3563 case WM_KILLFOCUS:
3564 unregister_hot_keys (hwnd);
3565 button_state = 0;
3566 ReleaseCapture ();
3567 /* Relinquish the system caret. */
3568 if (w32_system_caret_hwnd)
3570 w32_visible_system_caret_hwnd = NULL;
3571 w32_system_caret_hwnd = NULL;
3572 DestroyCaret ();
3574 goto command;
3575 case WM_COMMAND:
3576 f = x_window_to_frame (dpyinfo, hwnd);
3577 if (f && HIWORD (wParam) == 0)
3579 f->output_data.w32->menu_command_in_progress = 1;
3580 if (menu_free_timer)
3582 KillTimer (hwnd, menu_free_timer);
3583 menu_free_timer = 0;
3586 case WM_MOVE:
3587 case WM_SIZE:
3588 command:
3589 wmsg.dwModifiers = w32_get_modifiers ();
3590 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3591 goto dflt;
3593 case WM_CLOSE:
3594 wmsg.dwModifiers = w32_get_modifiers ();
3595 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3596 return 0;
3598 case WM_WINDOWPOSCHANGING:
3599 /* Don't restrict the sizing of tip frames. */
3600 if (hwnd == tip_window)
3601 return 0;
3603 WINDOWPLACEMENT wp;
3604 LPWINDOWPOS lppos = (WINDOWPOS *) lParam;
3606 wp.length = sizeof (WINDOWPLACEMENT);
3607 GetWindowPlacement (hwnd, &wp);
3609 if (wp.showCmd != SW_SHOWMINIMIZED && (lppos->flags & SWP_NOSIZE) == 0)
3611 RECT rect;
3612 int wdiff;
3613 int hdiff;
3614 DWORD font_width;
3615 DWORD line_height;
3616 DWORD internal_border;
3617 DWORD scrollbar_extra;
3618 RECT wr;
3620 wp.length = sizeof(wp);
3621 GetWindowRect (hwnd, &wr);
3623 enter_crit ();
3625 font_width = GetWindowLong (hwnd, WND_FONTWIDTH_INDEX);
3626 line_height = GetWindowLong (hwnd, WND_LINEHEIGHT_INDEX);
3627 internal_border = GetWindowLong (hwnd, WND_BORDER_INDEX);
3628 scrollbar_extra = GetWindowLong (hwnd, WND_SCROLLBAR_INDEX);
3630 leave_crit ();
3632 memset (&rect, 0, sizeof (rect));
3633 AdjustWindowRect (&rect, GetWindowLong (hwnd, GWL_STYLE),
3634 GetMenu (hwnd) != NULL);
3636 /* Force width and height of client area to be exact
3637 multiples of the character cell dimensions. */
3638 wdiff = (lppos->cx - (rect.right - rect.left)
3639 - 2 * internal_border - scrollbar_extra)
3640 % font_width;
3641 hdiff = (lppos->cy - (rect.bottom - rect.top)
3642 - 2 * internal_border)
3643 % line_height;
3645 if (wdiff || hdiff)
3647 /* For right/bottom sizing we can just fix the sizes.
3648 However for top/left sizing we will need to fix the X
3649 and Y positions as well. */
3651 lppos->cx -= wdiff;
3652 lppos->cy -= hdiff;
3654 if (wp.showCmd != SW_SHOWMAXIMIZED
3655 && (lppos->flags & SWP_NOMOVE) == 0)
3657 if (lppos->x != wr.left || lppos->y != wr.top)
3659 lppos->x += wdiff;
3660 lppos->y += hdiff;
3662 else
3664 lppos->flags |= SWP_NOMOVE;
3668 return 0;
3673 goto dflt;
3675 case WM_GETMINMAXINFO:
3676 /* Hack to correct bug that allows Emacs frames to be resized
3677 below the Minimum Tracking Size. */
3678 ((LPMINMAXINFO) lParam)->ptMinTrackSize.y++;
3679 /* Hack to allow resizing the Emacs frame above the screen size.
3680 Note that Windows 9x limits coordinates to 16-bits. */
3681 ((LPMINMAXINFO) lParam)->ptMaxTrackSize.x = 32767;
3682 ((LPMINMAXINFO) lParam)->ptMaxTrackSize.y = 32767;
3683 return 0;
3685 case WM_SETCURSOR:
3686 if (LOWORD (lParam) == HTCLIENT)
3687 return 0;
3689 goto dflt;
3691 case WM_EMACS_SETCURSOR:
3693 Cursor cursor = (Cursor) wParam;
3694 if (cursor)
3695 SetCursor (cursor);
3696 return 0;
3699 case WM_EMACS_CREATESCROLLBAR:
3700 return (LRESULT) w32_createscrollbar ((struct frame *) wParam,
3701 (struct scroll_bar *) lParam);
3703 case WM_EMACS_SHOWWINDOW:
3704 return ShowWindow ((HWND) wParam, (WPARAM) lParam);
3706 case WM_EMACS_SETFOREGROUND:
3708 HWND foreground_window;
3709 DWORD foreground_thread, retval;
3711 /* On NT 5.0, and apparently Windows 98, it is necessary to
3712 attach to the thread that currently has focus in order to
3713 pull the focus away from it. */
3714 foreground_window = GetForegroundWindow ();
3715 foreground_thread = GetWindowThreadProcessId (foreground_window, NULL);
3716 if (!foreground_window
3717 || foreground_thread == GetCurrentThreadId ()
3718 || !AttachThreadInput (GetCurrentThreadId (),
3719 foreground_thread, TRUE))
3720 foreground_thread = 0;
3722 retval = SetForegroundWindow ((HWND) wParam);
3724 /* Detach from the previous foreground thread. */
3725 if (foreground_thread)
3726 AttachThreadInput (GetCurrentThreadId (),
3727 foreground_thread, FALSE);
3729 return retval;
3732 case WM_EMACS_SETWINDOWPOS:
3734 WINDOWPOS * pos = (WINDOWPOS *) wParam;
3735 return SetWindowPos (hwnd, pos->hwndInsertAfter,
3736 pos->x, pos->y, pos->cx, pos->cy, pos->flags);
3739 case WM_EMACS_DESTROYWINDOW:
3740 DragAcceptFiles ((HWND) wParam, FALSE);
3741 return DestroyWindow ((HWND) wParam);
3743 case WM_EMACS_HIDE_CARET:
3744 return HideCaret (hwnd);
3746 case WM_EMACS_SHOW_CARET:
3747 return ShowCaret (hwnd);
3749 case WM_EMACS_DESTROY_CARET:
3750 w32_system_caret_hwnd = NULL;
3751 w32_visible_system_caret_hwnd = NULL;
3752 return DestroyCaret ();
3754 case WM_EMACS_TRACK_CARET:
3755 /* If there is currently no system caret, create one. */
3756 if (w32_system_caret_hwnd == NULL)
3758 /* Use the default caret width, and avoid changing it
3759 unneccesarily, as it confuses screen reader software. */
3760 w32_system_caret_hwnd = hwnd;
3761 CreateCaret (hwnd, NULL, 0,
3762 w32_system_caret_height);
3765 if (!SetCaretPos (w32_system_caret_x, w32_system_caret_y))
3766 return 0;
3767 /* Ensure visible caret gets turned on when requested. */
3768 else if (w32_use_visible_system_caret
3769 && w32_visible_system_caret_hwnd != hwnd)
3771 w32_visible_system_caret_hwnd = hwnd;
3772 return ShowCaret (hwnd);
3774 /* Ensure visible caret gets turned off when requested. */
3775 else if (!w32_use_visible_system_caret
3776 && w32_visible_system_caret_hwnd)
3778 w32_visible_system_caret_hwnd = NULL;
3779 return HideCaret (hwnd);
3781 else
3782 return 1;
3784 case WM_EMACS_TRACKPOPUPMENU:
3786 UINT flags;
3787 POINT *pos;
3788 int retval;
3789 pos = (POINT *)lParam;
3790 flags = TPM_CENTERALIGN;
3791 if (button_state & LMOUSE)
3792 flags |= TPM_LEFTBUTTON;
3793 else if (button_state & RMOUSE)
3794 flags |= TPM_RIGHTBUTTON;
3796 /* Remember we did a SetCapture on the initial mouse down event,
3797 so for safety, we make sure the capture is cancelled now. */
3798 ReleaseCapture ();
3799 button_state = 0;
3801 /* Use menubar_active to indicate that WM_INITMENU is from
3802 TrackPopupMenu below, and should be ignored. */
3803 f = x_window_to_frame (dpyinfo, hwnd);
3804 if (f)
3805 f->output_data.w32->menubar_active = 1;
3807 if (TrackPopupMenu ((HMENU)wParam, flags, pos->x, pos->y,
3808 0, hwnd, NULL))
3810 MSG amsg;
3811 /* Eat any mouse messages during popupmenu */
3812 while (PeekMessage (&amsg, hwnd, WM_MOUSEFIRST, WM_MOUSELAST,
3813 PM_REMOVE));
3814 /* Get the menu selection, if any */
3815 if (PeekMessage (&amsg, hwnd, WM_COMMAND, WM_COMMAND, PM_REMOVE))
3817 retval = LOWORD (amsg.wParam);
3819 else
3821 retval = 0;
3824 else
3826 retval = -1;
3829 return retval;
3832 default:
3833 /* Check for messages registered at runtime. */
3834 if (msg == msh_mousewheel)
3836 wmsg.dwModifiers = w32_get_modifiers ();
3837 my_post_msg (&wmsg, hwnd, msg, wParam, lParam);
3838 return 0;
3841 dflt:
3842 return DefWindowProc (hwnd, msg, wParam, lParam);
3846 /* The most common default return code for handled messages is 0. */
3847 return 0;
3850 static void
3851 my_create_window (f)
3852 struct frame * f;
3854 MSG msg;
3856 if (!PostThreadMessage (dwWindowsThreadId, WM_EMACS_CREATEWINDOW, (WPARAM)f, 0))
3857 abort ();
3858 GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
3862 /* Create a tooltip window. Unlike my_create_window, we do not do this
3863 indirectly via the Window thread, as we do not need to process Window
3864 messages for the tooltip. Creating tooltips indirectly also creates
3865 deadlocks when tooltips are created for menu items. */
3866 static void
3867 my_create_tip_window (f)
3868 struct frame *f;
3870 RECT rect;
3872 rect.left = rect.top = 0;
3873 rect.right = FRAME_PIXEL_WIDTH (f);
3874 rect.bottom = FRAME_PIXEL_HEIGHT (f);
3876 AdjustWindowRect (&rect, f->output_data.w32->dwStyle,
3877 FRAME_EXTERNAL_MENU_BAR (f));
3879 tip_window = FRAME_W32_WINDOW (f)
3880 = CreateWindow (EMACS_CLASS,
3881 f->namebuf,
3882 f->output_data.w32->dwStyle,
3883 f->left_pos,
3884 f->top_pos,
3885 rect.right - rect.left,
3886 rect.bottom - rect.top,
3887 FRAME_W32_WINDOW (SELECTED_FRAME ()), /* owner */
3888 NULL,
3889 hinst,
3890 NULL);
3892 if (tip_window)
3894 SetWindowLong (tip_window, WND_FONTWIDTH_INDEX, FRAME_COLUMN_WIDTH (f));
3895 SetWindowLong (tip_window, WND_LINEHEIGHT_INDEX, FRAME_LINE_HEIGHT (f));
3896 SetWindowLong (tip_window, WND_BORDER_INDEX, FRAME_INTERNAL_BORDER_WIDTH (f));
3897 SetWindowLong (tip_window, WND_BACKGROUND_INDEX, FRAME_BACKGROUND_PIXEL (f));
3899 /* Tip frames have no scrollbars. */
3900 SetWindowLong (tip_window, WND_SCROLLBAR_INDEX, 0);
3902 /* Do this to discard the default setting specified by our parent. */
3903 ShowWindow (tip_window, SW_HIDE);
3908 /* Create and set up the w32 window for frame F. */
3910 static void
3911 w32_window (f, window_prompting, minibuffer_only)
3912 struct frame *f;
3913 long window_prompting;
3914 int minibuffer_only;
3916 BLOCK_INPUT;
3918 /* Use the resource name as the top-level window name
3919 for looking up resources. Make a non-Lisp copy
3920 for the window manager, so GC relocation won't bother it.
3922 Elsewhere we specify the window name for the window manager. */
3925 char *str = (char *) SDATA (Vx_resource_name);
3926 f->namebuf = (char *) xmalloc (strlen (str) + 1);
3927 strcpy (f->namebuf, str);
3930 my_create_window (f);
3932 validate_x_resource_name ();
3934 /* x_set_name normally ignores requests to set the name if the
3935 requested name is the same as the current name. This is the one
3936 place where that assumption isn't correct; f->name is set, but
3937 the server hasn't been told. */
3939 Lisp_Object name;
3940 int explicit = f->explicit_name;
3942 f->explicit_name = 0;
3943 name = f->name;
3944 f->name = Qnil;
3945 x_set_name (f, name, explicit);
3948 UNBLOCK_INPUT;
3950 if (!minibuffer_only && FRAME_EXTERNAL_MENU_BAR (f))
3951 initialize_frame_menubar (f);
3953 if (FRAME_W32_WINDOW (f) == 0)
3954 error ("Unable to create window");
3957 /* Handle the icon stuff for this window. Perhaps later we might
3958 want an x_set_icon_position which can be called interactively as
3959 well. */
3961 static void
3962 x_icon (f, parms)
3963 struct frame *f;
3964 Lisp_Object parms;
3966 Lisp_Object icon_x, icon_y;
3968 /* Set the position of the icon. Note that Windows 95 groups all
3969 icons in the tray. */
3970 icon_x = w32_get_arg (parms, Qicon_left, 0, 0, RES_TYPE_NUMBER);
3971 icon_y = w32_get_arg (parms, Qicon_top, 0, 0, RES_TYPE_NUMBER);
3972 if (!EQ (icon_x, Qunbound) && !EQ (icon_y, Qunbound))
3974 CHECK_NUMBER (icon_x);
3975 CHECK_NUMBER (icon_y);
3977 else if (!EQ (icon_x, Qunbound) || !EQ (icon_y, Qunbound))
3978 error ("Both left and top icon corners of icon must be specified");
3980 BLOCK_INPUT;
3982 if (! EQ (icon_x, Qunbound))
3983 x_wm_set_icon_position (f, XINT (icon_x), XINT (icon_y));
3985 #if 0 /* TODO */
3986 /* Start up iconic or window? */
3987 x_wm_set_window_state
3988 (f, (EQ (w32_get_arg (parms, Qvisibility, 0, 0, RES_TYPE_SYMBOL), Qicon)
3989 ? IconicState
3990 : NormalState));
3992 x_text_icon (f, (char *) SDATA ((!NILP (f->icon_name)
3993 ? f->icon_name
3994 : f->name)));
3995 #endif
3997 UNBLOCK_INPUT;
4001 static void
4002 x_make_gc (f)
4003 struct frame *f;
4005 XGCValues gc_values;
4007 BLOCK_INPUT;
4009 /* Create the GC's of this frame.
4010 Note that many default values are used. */
4012 /* Normal video */
4013 gc_values.font = FRAME_FONT (f);
4015 /* Cursor has cursor-color background, background-color foreground. */
4016 gc_values.foreground = FRAME_BACKGROUND_PIXEL (f);
4017 gc_values.background = f->output_data.w32->cursor_pixel;
4018 f->output_data.w32->cursor_gc
4019 = XCreateGC (NULL, FRAME_W32_WINDOW (f),
4020 (GCFont | GCForeground | GCBackground),
4021 &gc_values);
4023 /* Reliefs. */
4024 f->output_data.w32->white_relief.gc = 0;
4025 f->output_data.w32->black_relief.gc = 0;
4027 UNBLOCK_INPUT;
4031 /* Handler for signals raised during x_create_frame and
4032 x_create_top_frame. FRAME is the frame which is partially
4033 constructed. */
4035 static Lisp_Object
4036 unwind_create_frame (frame)
4037 Lisp_Object frame;
4039 struct frame *f = XFRAME (frame);
4041 /* If frame is ``official'', nothing to do. */
4042 if (!CONSP (Vframe_list) || !EQ (XCAR (Vframe_list), frame))
4044 #ifdef GLYPH_DEBUG
4045 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
4046 #endif
4048 x_free_frame_resources (f);
4050 /* Check that reference counts are indeed correct. */
4051 xassert (dpyinfo->reference_count == dpyinfo_refcount);
4052 xassert (dpyinfo->image_cache->refcount == image_cache_refcount);
4054 return Qt;
4057 return Qnil;
4061 DEFUN ("x-create-frame", Fx_create_frame, Sx_create_frame,
4062 1, 1, 0,
4063 doc: /* Make a new window, which is called a \"frame\" in Emacs terms.
4064 Returns an Emacs frame object.
4065 PARAMETERS is an alist of frame parameters.
4066 If the parameters specify that the frame should not have a minibuffer,
4067 and do not specify a specific minibuffer window to use,
4068 then `default-minibuffer-frame' must be a frame whose minibuffer can
4069 be shared by the new frame.
4071 This function is an internal primitive--use `make-frame' instead. */)
4072 (parameters)
4073 Lisp_Object parameters;
4075 struct frame *f;
4076 Lisp_Object frame, tem;
4077 Lisp_Object name;
4078 int minibuffer_only = 0;
4079 long window_prompting = 0;
4080 int width, height;
4081 int count = SPECPDL_INDEX ();
4082 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
4083 Lisp_Object display;
4084 struct w32_display_info *dpyinfo = NULL;
4085 Lisp_Object parent;
4086 struct kboard *kb;
4088 check_w32 ();
4090 /* Use this general default value to start with
4091 until we know if this frame has a specified name. */
4092 Vx_resource_name = Vinvocation_name;
4094 display = w32_get_arg (parameters, Qdisplay, 0, 0, RES_TYPE_STRING);
4095 if (EQ (display, Qunbound))
4096 display = Qnil;
4097 dpyinfo = check_x_display_info (display);
4098 #ifdef MULTI_KBOARD
4099 kb = dpyinfo->kboard;
4100 #else
4101 kb = &the_only_kboard;
4102 #endif
4104 name = w32_get_arg (parameters, Qname, "name", "Name", RES_TYPE_STRING);
4105 if (!STRINGP (name)
4106 && ! EQ (name, Qunbound)
4107 && ! NILP (name))
4108 error ("Invalid frame name--not a string or nil");
4110 if (STRINGP (name))
4111 Vx_resource_name = name;
4113 /* See if parent window is specified. */
4114 parent = w32_get_arg (parameters, Qparent_id, NULL, NULL, RES_TYPE_NUMBER);
4115 if (EQ (parent, Qunbound))
4116 parent = Qnil;
4117 if (! NILP (parent))
4118 CHECK_NUMBER (parent);
4120 /* make_frame_without_minibuffer can run Lisp code and garbage collect. */
4121 /* No need to protect DISPLAY because that's not used after passing
4122 it to make_frame_without_minibuffer. */
4123 frame = Qnil;
4124 GCPRO4 (parameters, parent, name, frame);
4125 tem = w32_get_arg (parameters, Qminibuffer, "minibuffer", "Minibuffer",
4126 RES_TYPE_SYMBOL);
4127 if (EQ (tem, Qnone) || NILP (tem))
4128 f = make_frame_without_minibuffer (Qnil, kb, display);
4129 else if (EQ (tem, Qonly))
4131 f = make_minibuffer_frame ();
4132 minibuffer_only = 1;
4134 else if (WINDOWP (tem))
4135 f = make_frame_without_minibuffer (tem, kb, display);
4136 else
4137 f = make_frame (1);
4139 XSETFRAME (frame, f);
4141 /* Note that Windows does support scroll bars. */
4142 FRAME_CAN_HAVE_SCROLL_BARS (f) = 1;
4144 /* By default, make scrollbars the system standard width. */
4145 FRAME_CONFIG_SCROLL_BAR_WIDTH (f) = GetSystemMetrics (SM_CXVSCROLL);
4147 f->output_method = output_w32;
4148 f->output_data.w32 =
4149 (struct w32_output *) xmalloc (sizeof (struct w32_output));
4150 bzero (f->output_data.w32, sizeof (struct w32_output));
4151 FRAME_FONTSET (f) = -1;
4152 record_unwind_protect (unwind_create_frame, frame);
4154 f->icon_name
4155 = w32_get_arg (parameters, Qicon_name, "iconName", "Title", RES_TYPE_STRING);
4156 if (! STRINGP (f->icon_name))
4157 f->icon_name = Qnil;
4159 /* FRAME_W32_DISPLAY_INFO (f) = dpyinfo; */
4160 #ifdef MULTI_KBOARD
4161 FRAME_KBOARD (f) = kb;
4162 #endif
4164 /* Specify the parent under which to make this window. */
4166 if (!NILP (parent))
4168 f->output_data.w32->parent_desc = (Window) XFASTINT (parent);
4169 f->output_data.w32->explicit_parent = 1;
4171 else
4173 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
4174 f->output_data.w32->explicit_parent = 0;
4177 /* Set the name; the functions to which we pass f expect the name to
4178 be set. */
4179 if (EQ (name, Qunbound) || NILP (name))
4181 f->name = build_string (dpyinfo->w32_id_name);
4182 f->explicit_name = 0;
4184 else
4186 f->name = name;
4187 f->explicit_name = 1;
4188 /* use the frame's title when getting resources for this frame. */
4189 specbind (Qx_resource_name, name);
4192 /* Extract the window parameters from the supplied values
4193 that are needed to determine window geometry. */
4195 Lisp_Object font;
4197 font = w32_get_arg (parameters, Qfont, "font", "Font", RES_TYPE_STRING);
4199 BLOCK_INPUT;
4200 /* First, try whatever font the caller has specified. */
4201 if (STRINGP (font))
4203 tem = Fquery_fontset (font, Qnil);
4204 if (STRINGP (tem))
4205 font = x_new_fontset (f, SDATA (tem));
4206 else
4207 font = x_new_font (f, SDATA (font));
4209 /* Try out a font which we hope has bold and italic variations. */
4210 if (!STRINGP (font))
4211 font = x_new_font (f, "-*-Courier New-normal-r-*-*-*-100-*-*-c-*-iso8859-1");
4212 if (! STRINGP (font))
4213 font = x_new_font (f, "-*-Courier-normal-r-*-*-13-*-*-*-c-*-iso8859-1");
4214 /* If those didn't work, look for something which will at least work. */
4215 if (! STRINGP (font))
4216 font = x_new_font (f, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1");
4217 UNBLOCK_INPUT;
4218 if (! STRINGP (font))
4219 font = build_string ("Fixedsys");
4221 x_default_parameter (f, parameters, Qfont, font,
4222 "font", "Font", RES_TYPE_STRING);
4225 x_default_parameter (f, parameters, Qborder_width, make_number (2),
4226 "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
4227 /* This defaults to 2 in order to match xterm. We recognize either
4228 internalBorderWidth or internalBorder (which is what xterm calls
4229 it). */
4230 if (NILP (Fassq (Qinternal_border_width, parameters)))
4232 Lisp_Object value;
4234 value = w32_get_arg (parameters, Qinternal_border_width,
4235 "internalBorder", "InternalBorder", RES_TYPE_NUMBER);
4236 if (! EQ (value, Qunbound))
4237 parameters = Fcons (Fcons (Qinternal_border_width, value),
4238 parameters);
4240 /* Default internalBorderWidth to 0 on Windows to match other programs. */
4241 x_default_parameter (f, parameters, Qinternal_border_width, make_number (0),
4242 "internalBorderWidth", "InternalBorder", RES_TYPE_NUMBER);
4243 x_default_parameter (f, parameters, Qvertical_scroll_bars, Qright,
4244 "verticalScrollBars", "ScrollBars", RES_TYPE_SYMBOL);
4246 /* Also do the stuff which must be set before the window exists. */
4247 x_default_parameter (f, parameters, Qforeground_color, build_string ("black"),
4248 "foreground", "Foreground", RES_TYPE_STRING);
4249 x_default_parameter (f, parameters, Qbackground_color, build_string ("white"),
4250 "background", "Background", RES_TYPE_STRING);
4251 x_default_parameter (f, parameters, Qmouse_color, build_string ("black"),
4252 "pointerColor", "Foreground", RES_TYPE_STRING);
4253 x_default_parameter (f, parameters, Qcursor_color, build_string ("black"),
4254 "cursorColor", "Foreground", RES_TYPE_STRING);
4255 x_default_parameter (f, parameters, Qborder_color, build_string ("black"),
4256 "borderColor", "BorderColor", RES_TYPE_STRING);
4257 x_default_parameter (f, parameters, Qscreen_gamma, Qnil,
4258 "screenGamma", "ScreenGamma", RES_TYPE_FLOAT);
4259 x_default_parameter (f, parameters, Qline_spacing, Qnil,
4260 "lineSpacing", "LineSpacing", RES_TYPE_NUMBER);
4261 x_default_parameter (f, parameters, Qleft_fringe, Qnil,
4262 "leftFringe", "LeftFringe", RES_TYPE_NUMBER);
4263 x_default_parameter (f, parameters, Qright_fringe, Qnil,
4264 "rightFringe", "RightFringe", RES_TYPE_NUMBER);
4267 /* Init faces before x_default_parameter is called for scroll-bar
4268 parameters because that function calls x_set_scroll_bar_width,
4269 which calls change_frame_size, which calls Fset_window_buffer,
4270 which runs hooks, which call Fvertical_motion. At the end, we
4271 end up in init_iterator with a null face cache, which should not
4272 happen. */
4273 init_frame_faces (f);
4275 x_default_parameter (f, parameters, Qmenu_bar_lines, make_number (1),
4276 "menuBar", "MenuBar", RES_TYPE_NUMBER);
4277 x_default_parameter (f, parameters, Qtool_bar_lines, make_number (1),
4278 "toolBar", "ToolBar", RES_TYPE_NUMBER);
4280 x_default_parameter (f, parameters, Qbuffer_predicate, Qnil,
4281 "bufferPredicate", "BufferPredicate", RES_TYPE_SYMBOL);
4282 x_default_parameter (f, parameters, Qtitle, Qnil,
4283 "title", "Title", RES_TYPE_STRING);
4284 x_default_parameter (f, parameters, Qfullscreen, Qnil,
4285 "fullscreen", "Fullscreen", RES_TYPE_SYMBOL);
4287 f->output_data.w32->dwStyle = WS_OVERLAPPEDWINDOW;
4288 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
4290 f->output_data.w32->text_cursor = w32_load_cursor (IDC_IBEAM);
4291 f->output_data.w32->nontext_cursor = w32_load_cursor (IDC_ARROW);
4292 f->output_data.w32->modeline_cursor = w32_load_cursor (IDC_ARROW);
4293 f->output_data.w32->hand_cursor = w32_load_cursor (IDC_HAND);
4294 f->output_data.w32->hourglass_cursor = w32_load_cursor (IDC_WAIT);
4295 f->output_data.w32->horizontal_drag_cursor = w32_load_cursor (IDC_SIZEWE);
4297 window_prompting = x_figure_window_size (f, parameters, 1);
4299 tem = w32_get_arg (parameters, Qunsplittable, 0, 0, RES_TYPE_BOOLEAN);
4300 f->no_split = minibuffer_only || EQ (tem, Qt);
4302 w32_window (f, window_prompting, minibuffer_only);
4303 x_icon (f, parameters);
4305 x_make_gc (f);
4307 /* Now consider the frame official. */
4308 FRAME_W32_DISPLAY_INFO (f)->reference_count++;
4309 Vframe_list = Fcons (frame, Vframe_list);
4311 /* We need to do this after creating the window, so that the
4312 icon-creation functions can say whose icon they're describing. */
4313 x_default_parameter (f, parameters, Qicon_type, Qnil,
4314 "bitmapIcon", "BitmapIcon", RES_TYPE_SYMBOL);
4316 x_default_parameter (f, parameters, Qauto_raise, Qnil,
4317 "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
4318 x_default_parameter (f, parameters, Qauto_lower, Qnil,
4319 "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
4320 x_default_parameter (f, parameters, Qcursor_type, Qbox,
4321 "cursorType", "CursorType", RES_TYPE_SYMBOL);
4322 x_default_parameter (f, parameters, Qscroll_bar_width, Qnil,
4323 "scrollBarWidth", "ScrollBarWidth", RES_TYPE_NUMBER);
4325 /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size.
4326 Change will not be effected unless different from the current
4327 FRAME_LINES (f). */
4328 width = FRAME_COLS (f);
4329 height = FRAME_LINES (f);
4331 FRAME_LINES (f) = 0;
4332 SET_FRAME_COLS (f, 0);
4333 change_frame_size (f, height, width, 1, 0, 0);
4335 /* Tell the server what size and position, etc, we want, and how
4336 badly we want them. This should be done after we have the menu
4337 bar so that its size can be taken into account. */
4338 BLOCK_INPUT;
4339 x_wm_set_size_hint (f, window_prompting, 0);
4340 UNBLOCK_INPUT;
4342 /* Avoid a bug that causes the new frame to never become visible if
4343 an echo area message is displayed during the following call1. */
4344 specbind(Qredisplay_dont_pause, Qt);
4346 /* Set up faces after all frame parameters are known. This call
4347 also merges in face attributes specified for new frames. If we
4348 don't do this, the `menu' face for instance won't have the right
4349 colors, and the menu bar won't appear in the specified colors for
4350 new frames. */
4351 call1 (Qface_set_after_frame_default, frame);
4353 /* Make the window appear on the frame and enable display, unless
4354 the caller says not to. However, with explicit parent, Emacs
4355 cannot control visibility, so don't try. */
4356 if (! f->output_data.w32->explicit_parent)
4358 Lisp_Object visibility;
4360 visibility = w32_get_arg (parameters, Qvisibility, 0, 0, RES_TYPE_SYMBOL);
4361 if (EQ (visibility, Qunbound))
4362 visibility = Qt;
4364 if (EQ (visibility, Qicon))
4365 x_iconify_frame (f);
4366 else if (! NILP (visibility))
4367 x_make_frame_visible (f);
4368 else
4369 /* Must have been Qnil. */
4372 UNGCPRO;
4374 /* Make sure windows on this frame appear in calls to next-window
4375 and similar functions. */
4376 Vwindow_list = Qnil;
4378 return unbind_to (count, frame);
4381 /* FRAME is used only to get a handle on the X display. We don't pass the
4382 display info directly because we're called from frame.c, which doesn't
4383 know about that structure. */
4384 Lisp_Object
4385 x_get_focus_frame (frame)
4386 struct frame *frame;
4388 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (frame);
4389 Lisp_Object xfocus;
4390 if (! dpyinfo->w32_focus_frame)
4391 return Qnil;
4393 XSETFRAME (xfocus, dpyinfo->w32_focus_frame);
4394 return xfocus;
4397 DEFUN ("w32-focus-frame", Fw32_focus_frame, Sw32_focus_frame, 1, 1, 0,
4398 doc: /* Give FRAME input focus, raising to foreground if necessary. */)
4399 (frame)
4400 Lisp_Object frame;
4402 x_focus_on_frame (check_x_frame (frame));
4403 return Qnil;
4407 /* Return the charset portion of a font name. */
4408 char * xlfd_charset_of_font (char * fontname)
4410 char *charset, *encoding;
4412 encoding = strrchr(fontname, '-');
4413 if (!encoding || encoding == fontname)
4414 return NULL;
4416 for (charset = encoding - 1; charset >= fontname; charset--)
4417 if (*charset == '-')
4418 break;
4420 if (charset == fontname || strcmp(charset, "-*-*") == 0)
4421 return NULL;
4423 return charset + 1;
4426 struct font_info *w32_load_bdf_font (struct frame *f, char *fontname,
4427 int size, char* filename);
4428 static Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names);
4429 static BOOL w32_to_x_font (LOGFONT * lplf, char * lpxstr, int len,
4430 char * charset);
4431 static BOOL x_to_w32_font (char *lpxstr, LOGFONT *lplogfont);
4433 static struct font_info *
4434 w32_load_system_font (f,fontname,size)
4435 struct frame *f;
4436 char * fontname;
4437 int size;
4439 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
4440 Lisp_Object font_names;
4442 /* Get a list of all the fonts that match this name. Once we
4443 have a list of matching fonts, we compare them against the fonts
4444 we already have loaded by comparing names. */
4445 font_names = w32_list_fonts (f, build_string (fontname), size, 100);
4447 if (!NILP (font_names))
4449 Lisp_Object tail;
4450 int i;
4452 /* First check if any are already loaded, as that is cheaper
4453 than loading another one. */
4454 for (i = 0; i < dpyinfo->n_fonts; i++)
4455 for (tail = font_names; CONSP (tail); tail = XCDR (tail))
4456 if (dpyinfo->font_table[i].name
4457 && (!strcmp (dpyinfo->font_table[i].name,
4458 SDATA (XCAR (tail)))
4459 || !strcmp (dpyinfo->font_table[i].full_name,
4460 SDATA (XCAR (tail)))))
4461 return (dpyinfo->font_table + i);
4463 fontname = (char *) SDATA (XCAR (font_names));
4465 else if (w32_strict_fontnames)
4467 /* If EnumFontFamiliesEx was available, we got a full list of
4468 fonts back so stop now to avoid the possibility of loading a
4469 random font. If we had to fall back to EnumFontFamilies, the
4470 list is incomplete, so continue whether the font we want was
4471 listed or not. */
4472 HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
4473 FARPROC enum_font_families_ex
4474 = GetProcAddress (gdi32, "EnumFontFamiliesExA");
4475 if (enum_font_families_ex)
4476 return NULL;
4479 /* Load the font and add it to the table. */
4481 char *full_name, *encoding, *charset;
4482 XFontStruct *font;
4483 struct font_info *fontp;
4484 LOGFONT lf;
4485 BOOL ok;
4486 int codepage;
4487 int i;
4489 if (!fontname || !x_to_w32_font (fontname, &lf))
4490 return (NULL);
4492 if (!*lf.lfFaceName)
4493 /* If no name was specified for the font, we get a random font
4494 from CreateFontIndirect - this is not particularly
4495 desirable, especially since CreateFontIndirect does not
4496 fill out the missing name in lf, so we never know what we
4497 ended up with. */
4498 return NULL;
4500 lf.lfQuality = DEFAULT_QUALITY;
4502 font = (XFontStruct *) xmalloc (sizeof (XFontStruct));
4503 bzero (font, sizeof (*font));
4505 /* Set bdf to NULL to indicate that this is a Windows font. */
4506 font->bdf = NULL;
4508 BLOCK_INPUT;
4510 font->hfont = CreateFontIndirect (&lf);
4512 if (font->hfont == NULL)
4514 ok = FALSE;
4516 else
4518 HDC hdc;
4519 HANDLE oldobj;
4521 codepage = w32_codepage_for_font (fontname);
4523 hdc = GetDC (dpyinfo->root_window);
4524 oldobj = SelectObject (hdc, font->hfont);
4526 ok = GetTextMetrics (hdc, &font->tm);
4527 if (codepage == CP_UNICODE)
4528 font->double_byte_p = 1;
4529 else
4531 /* Unfortunately, some fonts (eg. MingLiU, a big5 ttf font)
4532 don't report themselves as double byte fonts, when
4533 patently they are. So instead of trusting
4534 GetFontLanguageInfo, we check the properties of the
4535 codepage directly, since that is ultimately what we are
4536 working from anyway. */
4537 /* font->double_byte_p = GetFontLanguageInfo(hdc) & GCP_DBCS; */
4538 CPINFO cpi = {0};
4539 GetCPInfo (codepage, &cpi);
4540 font->double_byte_p = cpi.MaxCharSize > 1;
4543 SelectObject (hdc, oldobj);
4544 ReleaseDC (dpyinfo->root_window, hdc);
4545 /* Fill out details in lf according to the font that was
4546 actually loaded. */
4547 lf.lfHeight = font->tm.tmInternalLeading - font->tm.tmHeight;
4548 lf.lfWidth = font->tm.tmMaxCharWidth;
4549 lf.lfWeight = font->tm.tmWeight;
4550 lf.lfItalic = font->tm.tmItalic;
4551 lf.lfCharSet = font->tm.tmCharSet;
4552 lf.lfPitchAndFamily = ((font->tm.tmPitchAndFamily & TMPF_FIXED_PITCH)
4553 ? VARIABLE_PITCH : FIXED_PITCH);
4554 lf.lfOutPrecision = ((font->tm.tmPitchAndFamily & TMPF_VECTOR)
4555 ? OUT_STROKE_PRECIS : OUT_STRING_PRECIS);
4557 w32_cache_char_metrics (font);
4560 UNBLOCK_INPUT;
4562 if (!ok)
4564 w32_unload_font (dpyinfo, font);
4565 return (NULL);
4568 /* Find a free slot in the font table. */
4569 for (i = 0; i < dpyinfo->n_fonts; ++i)
4570 if (dpyinfo->font_table[i].name == NULL)
4571 break;
4573 /* If no free slot found, maybe enlarge the font table. */
4574 if (i == dpyinfo->n_fonts
4575 && dpyinfo->n_fonts == dpyinfo->font_table_size)
4577 int sz;
4578 dpyinfo->font_table_size = max (16, 2 * dpyinfo->font_table_size);
4579 sz = dpyinfo->font_table_size * sizeof *dpyinfo->font_table;
4580 dpyinfo->font_table
4581 = (struct font_info *) xrealloc (dpyinfo->font_table, sz);
4584 fontp = dpyinfo->font_table + i;
4585 if (i == dpyinfo->n_fonts)
4586 ++dpyinfo->n_fonts;
4588 /* Now fill in the slots of *FONTP. */
4589 BLOCK_INPUT;
4590 bzero (fontp, sizeof (*fontp));
4591 fontp->font = font;
4592 fontp->font_idx = i;
4593 fontp->name = (char *) xmalloc (strlen (fontname) + 1);
4594 bcopy (fontname, fontp->name, strlen (fontname) + 1);
4596 if (lf.lfPitchAndFamily == FIXED_PITCH)
4598 /* Fixed width font. */
4599 fontp->average_width = fontp->space_width = FONT_WIDTH (font);
4601 else
4603 wchar_t space = 32;
4604 XCharStruct* pcm;
4605 pcm = w32_per_char_metric (font, &space, ANSI_FONT);
4606 if (pcm)
4607 fontp->space_width = pcm->width;
4608 else
4609 fontp->space_width = FONT_WIDTH (font);
4611 fontp->average_width = font->tm.tmAveCharWidth;
4614 charset = xlfd_charset_of_font (fontname);
4616 /* Cache the W32 codepage for a font. This makes w32_encode_char
4617 (called for every glyph during redisplay) much faster. */
4618 fontp->codepage = codepage;
4620 /* Work out the font's full name. */
4621 full_name = (char *)xmalloc (100);
4622 if (full_name && w32_to_x_font (&lf, full_name, 100, charset))
4623 fontp->full_name = full_name;
4624 else
4626 /* If all else fails - just use the name we used to load it. */
4627 xfree (full_name);
4628 fontp->full_name = fontp->name;
4631 fontp->size = FONT_WIDTH (font);
4632 fontp->height = FONT_HEIGHT (font);
4634 /* The slot `encoding' specifies how to map a character
4635 code-points (0x20..0x7F or 0x2020..0x7F7F) of each charset to
4636 the font code-points (0:0x20..0x7F, 1:0xA0..0xFF), or
4637 (0:0x20..0x7F, 1:0xA0..0xFF,
4638 (0:0x2020..0x7F7F, 1:0xA0A0..0xFFFF, 3:0x20A0..0x7FFF,
4639 2:0xA020..0xFF7F). For the moment, we don't know which charset
4640 uses this font. So, we set information in fontp->encoding[1]
4641 which is never used by any charset. If mapping can't be
4642 decided, set FONT_ENCODING_NOT_DECIDED. */
4644 /* SJIS fonts need to be set to type 4, all others seem to work as
4645 type FONT_ENCODING_NOT_DECIDED. */
4646 encoding = strrchr (fontp->name, '-');
4647 if (encoding && strnicmp (encoding+1, "sjis", 4) == 0)
4648 fontp->encoding[1] = 4;
4649 else
4650 fontp->encoding[1] = FONT_ENCODING_NOT_DECIDED;
4652 /* The following three values are set to 0 under W32, which is
4653 what they get set to if XGetFontProperty fails under X. */
4654 fontp->baseline_offset = 0;
4655 fontp->relative_compose = 0;
4656 fontp->default_ascent = 0;
4658 /* Set global flag fonts_changed_p to non-zero if the font loaded
4659 has a character with a smaller width than any other character
4660 before, or if the font loaded has a smaller height than any
4661 other font loaded before. If this happens, it will make a
4662 glyph matrix reallocation necessary. */
4663 fonts_changed_p |= x_compute_min_glyph_bounds (f);
4664 UNBLOCK_INPUT;
4665 return fontp;
4669 /* Load font named FONTNAME of size SIZE for frame F, and return a
4670 pointer to the structure font_info while allocating it dynamically.
4671 If loading fails, return NULL. */
4672 struct font_info *
4673 w32_load_font (f,fontname,size)
4674 struct frame *f;
4675 char * fontname;
4676 int size;
4678 Lisp_Object bdf_fonts;
4679 struct font_info *retval = NULL;
4680 struct w32_display_info *dpyinfo = FRAME_W32_DISPLAY_INFO (f);
4682 bdf_fonts = w32_list_bdf_fonts (build_string (fontname), 1);
4684 while (!retval && CONSP (bdf_fonts))
4686 char *bdf_name, *bdf_file;
4687 Lisp_Object bdf_pair;
4688 int i;
4690 bdf_name = SDATA (XCAR (bdf_fonts));
4691 bdf_pair = Fassoc (XCAR (bdf_fonts), Vw32_bdf_filename_alist);
4692 bdf_file = SDATA (XCDR (bdf_pair));
4694 // If the font is already loaded, do not load it again.
4695 for (i = 0; i < dpyinfo->n_fonts; i++)
4697 if ((dpyinfo->font_table[i].name
4698 && !strcmp (dpyinfo->font_table[i].name, bdf_name))
4699 || (dpyinfo->font_table[i].full_name
4700 && !strcmp (dpyinfo->font_table[i].full_name, bdf_name)))
4701 return dpyinfo->font_table + i;
4704 retval = w32_load_bdf_font (f, bdf_name, size, bdf_file);
4706 bdf_fonts = XCDR (bdf_fonts);
4709 if (retval)
4710 return retval;
4712 return w32_load_system_font(f, fontname, size);
4716 void
4717 w32_unload_font (dpyinfo, font)
4718 struct w32_display_info *dpyinfo;
4719 XFontStruct * font;
4721 if (font)
4723 if (font->per_char) xfree (font->per_char);
4724 if (font->bdf) w32_free_bdf_font (font->bdf);
4726 if (font->hfont) DeleteObject(font->hfont);
4727 xfree (font);
4731 /* The font conversion stuff between x and w32 */
4733 /* X font string is as follows (from faces.el)
4734 * (let ((- "[-?]")
4735 * (foundry "[^-]+")
4736 * (family "[^-]+")
4737 * (weight "\\(bold\\|demibold\\|medium\\)") ; 1
4738 * (weight\? "\\([^-]*\\)") ; 1
4739 * (slant "\\([ior]\\)") ; 2
4740 * (slant\? "\\([^-]?\\)") ; 2
4741 * (swidth "\\([^-]*\\)") ; 3
4742 * (adstyle "[^-]*") ; 4
4743 * (pixelsize "[0-9]+")
4744 * (pointsize "[0-9][0-9]+")
4745 * (resx "[0-9][0-9]+")
4746 * (resy "[0-9][0-9]+")
4747 * (spacing "[cmp?*]")
4748 * (avgwidth "[0-9]+")
4749 * (registry "[^-]+")
4750 * (encoding "[^-]+")
4754 static LONG
4755 x_to_w32_weight (lpw)
4756 char * lpw;
4758 if (!lpw) return (FW_DONTCARE);
4760 if (stricmp (lpw,"heavy") == 0) return FW_HEAVY;
4761 else if (stricmp (lpw,"extrabold") == 0) return FW_EXTRABOLD;
4762 else if (stricmp (lpw,"bold") == 0) return FW_BOLD;
4763 else if (stricmp (lpw,"demibold") == 0) return FW_SEMIBOLD;
4764 else if (stricmp (lpw,"semibold") == 0) return FW_SEMIBOLD;
4765 else if (stricmp (lpw,"medium") == 0) return FW_MEDIUM;
4766 else if (stricmp (lpw,"normal") == 0) return FW_NORMAL;
4767 else if (stricmp (lpw,"light") == 0) return FW_LIGHT;
4768 else if (stricmp (lpw,"extralight") == 0) return FW_EXTRALIGHT;
4769 else if (stricmp (lpw,"thin") == 0) return FW_THIN;
4770 else
4771 return FW_DONTCARE;
4775 static char *
4776 w32_to_x_weight (fnweight)
4777 int fnweight;
4779 if (fnweight >= FW_HEAVY) return "heavy";
4780 if (fnweight >= FW_EXTRABOLD) return "extrabold";
4781 if (fnweight >= FW_BOLD) return "bold";
4782 if (fnweight >= FW_SEMIBOLD) return "demibold";
4783 if (fnweight >= FW_MEDIUM) return "medium";
4784 if (fnweight >= FW_NORMAL) return "normal";
4785 if (fnweight >= FW_LIGHT) return "light";
4786 if (fnweight >= FW_EXTRALIGHT) return "extralight";
4787 if (fnweight >= FW_THIN) return "thin";
4788 else
4789 return "*";
4792 static LONG
4793 x_to_w32_charset (lpcs)
4794 char * lpcs;
4796 Lisp_Object this_entry, w32_charset;
4797 char *charset;
4798 int len = strlen (lpcs);
4800 /* Support "*-#nnn" format for unknown charsets. */
4801 if (strncmp (lpcs, "*-#", 3) == 0)
4802 return atoi (lpcs + 3);
4804 /* Handle wildcards by ignoring them; eg. treat "big5*-*" as "big5". */
4805 charset = alloca (len + 1);
4806 strcpy (charset, lpcs);
4807 lpcs = strchr (charset, '*');
4808 if (lpcs)
4809 *lpcs = 0;
4811 /* Look through w32-charset-info-alist for the character set.
4812 Format of each entry is
4813 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
4815 this_entry = Fassoc (build_string(charset), Vw32_charset_info_alist);
4817 if (NILP(this_entry))
4819 /* At startup, we want iso8859-1 fonts to come up properly. */
4820 if (stricmp(charset, "iso8859-1") == 0)
4821 return ANSI_CHARSET;
4822 else
4823 return DEFAULT_CHARSET;
4826 w32_charset = Fcar (Fcdr (this_entry));
4828 /* Translate Lisp symbol to number. */
4829 if (EQ (w32_charset, Qw32_charset_ansi))
4830 return ANSI_CHARSET;
4831 if (EQ (w32_charset, Qw32_charset_symbol))
4832 return SYMBOL_CHARSET;
4833 if (EQ (w32_charset, Qw32_charset_shiftjis))
4834 return SHIFTJIS_CHARSET;
4835 if (EQ (w32_charset, Qw32_charset_hangeul))
4836 return HANGEUL_CHARSET;
4837 if (EQ (w32_charset, Qw32_charset_chinesebig5))
4838 return CHINESEBIG5_CHARSET;
4839 if (EQ (w32_charset, Qw32_charset_gb2312))
4840 return GB2312_CHARSET;
4841 if (EQ (w32_charset, Qw32_charset_oem))
4842 return OEM_CHARSET;
4843 #ifdef JOHAB_CHARSET
4844 if (EQ (w32_charset, Qw32_charset_johab))
4845 return JOHAB_CHARSET;
4846 if (EQ (w32_charset, Qw32_charset_easteurope))
4847 return EASTEUROPE_CHARSET;
4848 if (EQ (w32_charset, Qw32_charset_turkish))
4849 return TURKISH_CHARSET;
4850 if (EQ (w32_charset, Qw32_charset_baltic))
4851 return BALTIC_CHARSET;
4852 if (EQ (w32_charset, Qw32_charset_russian))
4853 return RUSSIAN_CHARSET;
4854 if (EQ (w32_charset, Qw32_charset_arabic))
4855 return ARABIC_CHARSET;
4856 if (EQ (w32_charset, Qw32_charset_greek))
4857 return GREEK_CHARSET;
4858 if (EQ (w32_charset, Qw32_charset_hebrew))
4859 return HEBREW_CHARSET;
4860 if (EQ (w32_charset, Qw32_charset_vietnamese))
4861 return VIETNAMESE_CHARSET;
4862 if (EQ (w32_charset, Qw32_charset_thai))
4863 return THAI_CHARSET;
4864 if (EQ (w32_charset, Qw32_charset_mac))
4865 return MAC_CHARSET;
4866 #endif /* JOHAB_CHARSET */
4867 #ifdef UNICODE_CHARSET
4868 if (EQ (w32_charset, Qw32_charset_unicode))
4869 return UNICODE_CHARSET;
4870 #endif
4872 return DEFAULT_CHARSET;
4876 static char *
4877 w32_to_x_charset (fncharset)
4878 int fncharset;
4880 static char buf[32];
4881 Lisp_Object charset_type;
4883 switch (fncharset)
4885 case ANSI_CHARSET:
4886 /* Handle startup case of w32-charset-info-alist not
4887 being set up yet. */
4888 if (NILP(Vw32_charset_info_alist))
4889 return "iso8859-1";
4890 charset_type = Qw32_charset_ansi;
4891 break;
4892 case DEFAULT_CHARSET:
4893 charset_type = Qw32_charset_default;
4894 break;
4895 case SYMBOL_CHARSET:
4896 charset_type = Qw32_charset_symbol;
4897 break;
4898 case SHIFTJIS_CHARSET:
4899 charset_type = Qw32_charset_shiftjis;
4900 break;
4901 case HANGEUL_CHARSET:
4902 charset_type = Qw32_charset_hangeul;
4903 break;
4904 case GB2312_CHARSET:
4905 charset_type = Qw32_charset_gb2312;
4906 break;
4907 case CHINESEBIG5_CHARSET:
4908 charset_type = Qw32_charset_chinesebig5;
4909 break;
4910 case OEM_CHARSET:
4911 charset_type = Qw32_charset_oem;
4912 break;
4914 /* More recent versions of Windows (95 and NT4.0) define more
4915 character sets. */
4916 #ifdef EASTEUROPE_CHARSET
4917 case EASTEUROPE_CHARSET:
4918 charset_type = Qw32_charset_easteurope;
4919 break;
4920 case TURKISH_CHARSET:
4921 charset_type = Qw32_charset_turkish;
4922 break;
4923 case BALTIC_CHARSET:
4924 charset_type = Qw32_charset_baltic;
4925 break;
4926 case RUSSIAN_CHARSET:
4927 charset_type = Qw32_charset_russian;
4928 break;
4929 case ARABIC_CHARSET:
4930 charset_type = Qw32_charset_arabic;
4931 break;
4932 case GREEK_CHARSET:
4933 charset_type = Qw32_charset_greek;
4934 break;
4935 case HEBREW_CHARSET:
4936 charset_type = Qw32_charset_hebrew;
4937 break;
4938 case VIETNAMESE_CHARSET:
4939 charset_type = Qw32_charset_vietnamese;
4940 break;
4941 case THAI_CHARSET:
4942 charset_type = Qw32_charset_thai;
4943 break;
4944 case MAC_CHARSET:
4945 charset_type = Qw32_charset_mac;
4946 break;
4947 case JOHAB_CHARSET:
4948 charset_type = Qw32_charset_johab;
4949 break;
4950 #endif
4952 #ifdef UNICODE_CHARSET
4953 case UNICODE_CHARSET:
4954 charset_type = Qw32_charset_unicode;
4955 break;
4956 #endif
4957 default:
4958 /* Encode numerical value of unknown charset. */
4959 sprintf (buf, "*-#%u", fncharset);
4960 return buf;
4964 Lisp_Object rest;
4965 char * best_match = NULL;
4967 /* Look through w32-charset-info-alist for the character set.
4968 Prefer ISO codepages, and prefer lower numbers in the ISO
4969 range. Only return charsets for codepages which are installed.
4971 Format of each entry is
4972 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
4974 for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest))
4976 char * x_charset;
4977 Lisp_Object w32_charset;
4978 Lisp_Object codepage;
4980 Lisp_Object this_entry = XCAR (rest);
4982 /* Skip invalid entries in alist. */
4983 if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry))
4984 || !CONSP (XCDR (this_entry))
4985 || !SYMBOLP (XCAR (XCDR (this_entry))))
4986 continue;
4988 x_charset = SDATA (XCAR (this_entry));
4989 w32_charset = XCAR (XCDR (this_entry));
4990 codepage = XCDR (XCDR (this_entry));
4992 /* Look for Same charset and a valid codepage (or non-int
4993 which means ignore). */
4994 if (EQ (w32_charset, charset_type)
4995 && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT
4996 || IsValidCodePage (XINT (codepage))))
4998 /* If we don't have a match already, then this is the
4999 best. */
5000 if (!best_match)
5001 best_match = x_charset;
5002 /* If this is an ISO codepage, and the best so far isn't,
5003 then this is better. */
5004 else if (strnicmp (best_match, "iso", 3) != 0
5005 && strnicmp (x_charset, "iso", 3) == 0)
5006 best_match = x_charset;
5007 /* If both are ISO8859 codepages, choose the one with the
5008 lowest number in the encoding field. */
5009 else if (strnicmp (best_match, "iso8859-", 8) == 0
5010 && strnicmp (x_charset, "iso8859-", 8) == 0)
5012 int best_enc = atoi (best_match + 8);
5013 int this_enc = atoi (x_charset + 8);
5014 if (this_enc > 0 && this_enc < best_enc)
5015 best_match = x_charset;
5020 /* If no match, encode the numeric value. */
5021 if (!best_match)
5023 sprintf (buf, "*-#%u", fncharset);
5024 return buf;
5027 strncpy(buf, best_match, 31);
5028 buf[31] = '\0';
5029 return buf;
5034 /* Return all the X charsets that map to a font. */
5035 static Lisp_Object
5036 w32_to_all_x_charsets (fncharset)
5037 int fncharset;
5039 static char buf[32];
5040 Lisp_Object charset_type;
5041 Lisp_Object retval = Qnil;
5043 switch (fncharset)
5045 case ANSI_CHARSET:
5046 /* Handle startup case of w32-charset-info-alist not
5047 being set up yet. */
5048 if (NILP(Vw32_charset_info_alist))
5049 return Fcons (build_string ("iso8859-1"), Qnil);
5051 charset_type = Qw32_charset_ansi;
5052 break;
5053 case DEFAULT_CHARSET:
5054 charset_type = Qw32_charset_default;
5055 break;
5056 case SYMBOL_CHARSET:
5057 charset_type = Qw32_charset_symbol;
5058 break;
5059 case SHIFTJIS_CHARSET:
5060 charset_type = Qw32_charset_shiftjis;
5061 break;
5062 case HANGEUL_CHARSET:
5063 charset_type = Qw32_charset_hangeul;
5064 break;
5065 case GB2312_CHARSET:
5066 charset_type = Qw32_charset_gb2312;
5067 break;
5068 case CHINESEBIG5_CHARSET:
5069 charset_type = Qw32_charset_chinesebig5;
5070 break;
5071 case OEM_CHARSET:
5072 charset_type = Qw32_charset_oem;
5073 break;
5075 /* More recent versions of Windows (95 and NT4.0) define more
5076 character sets. */
5077 #ifdef EASTEUROPE_CHARSET
5078 case EASTEUROPE_CHARSET:
5079 charset_type = Qw32_charset_easteurope;
5080 break;
5081 case TURKISH_CHARSET:
5082 charset_type = Qw32_charset_turkish;
5083 break;
5084 case BALTIC_CHARSET:
5085 charset_type = Qw32_charset_baltic;
5086 break;
5087 case RUSSIAN_CHARSET:
5088 charset_type = Qw32_charset_russian;
5089 break;
5090 case ARABIC_CHARSET:
5091 charset_type = Qw32_charset_arabic;
5092 break;
5093 case GREEK_CHARSET:
5094 charset_type = Qw32_charset_greek;
5095 break;
5096 case HEBREW_CHARSET:
5097 charset_type = Qw32_charset_hebrew;
5098 break;
5099 case VIETNAMESE_CHARSET:
5100 charset_type = Qw32_charset_vietnamese;
5101 break;
5102 case THAI_CHARSET:
5103 charset_type = Qw32_charset_thai;
5104 break;
5105 case MAC_CHARSET:
5106 charset_type = Qw32_charset_mac;
5107 break;
5108 case JOHAB_CHARSET:
5109 charset_type = Qw32_charset_johab;
5110 break;
5111 #endif
5113 #ifdef UNICODE_CHARSET
5114 case UNICODE_CHARSET:
5115 charset_type = Qw32_charset_unicode;
5116 break;
5117 #endif
5118 default:
5119 /* Encode numerical value of unknown charset. */
5120 sprintf (buf, "*-#%u", fncharset);
5121 return Fcons (build_string (buf), Qnil);
5125 Lisp_Object rest;
5126 /* Look through w32-charset-info-alist for the character set.
5127 Only return charsets for codepages which are installed.
5129 Format of each entry in Vw32_charset_info_alist is
5130 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE)).
5132 for (rest = Vw32_charset_info_alist; CONSP (rest); rest = XCDR (rest))
5134 Lisp_Object x_charset;
5135 Lisp_Object w32_charset;
5136 Lisp_Object codepage;
5138 Lisp_Object this_entry = XCAR (rest);
5140 /* Skip invalid entries in alist. */
5141 if (!CONSP (this_entry) || !STRINGP (XCAR (this_entry))
5142 || !CONSP (XCDR (this_entry))
5143 || !SYMBOLP (XCAR (XCDR (this_entry))))
5144 continue;
5146 x_charset = XCAR (this_entry);
5147 w32_charset = XCAR (XCDR (this_entry));
5148 codepage = XCDR (XCDR (this_entry));
5150 /* Look for Same charset and a valid codepage (or non-int
5151 which means ignore). */
5152 if (EQ (w32_charset, charset_type)
5153 && (!INTEGERP (codepage) || XINT (codepage) == CP_DEFAULT
5154 || IsValidCodePage (XINT (codepage))))
5156 retval = Fcons (x_charset, retval);
5160 /* If no match, encode the numeric value. */
5161 if (NILP (retval))
5163 sprintf (buf, "*-#%u", fncharset);
5164 return Fcons (build_string (buf), Qnil);
5167 return retval;
5171 /* Get the Windows codepage corresponding to the specified font. The
5172 charset info in the font name is used to look up
5173 w32-charset-to-codepage-alist. */
5175 w32_codepage_for_font (char *fontname)
5177 Lisp_Object codepage, entry;
5178 char *charset_str, *charset, *end;
5180 if (NILP (Vw32_charset_info_alist))
5181 return CP_DEFAULT;
5183 /* Extract charset part of font string. */
5184 charset = xlfd_charset_of_font (fontname);
5186 if (!charset)
5187 return CP_UNKNOWN;
5189 charset_str = (char *) alloca (strlen (charset) + 1);
5190 strcpy (charset_str, charset);
5192 #if 0
5193 /* Remove leading "*-". */
5194 if (strncmp ("*-", charset_str, 2) == 0)
5195 charset = charset_str + 2;
5196 else
5197 #endif
5198 charset = charset_str;
5200 /* Stop match at wildcard (including preceding '-'). */
5201 if (end = strchr (charset, '*'))
5203 if (end > charset && *(end-1) == '-')
5204 end--;
5205 *end = '\0';
5208 entry = Fassoc (build_string(charset), Vw32_charset_info_alist);
5209 if (NILP (entry))
5210 return CP_UNKNOWN;
5212 codepage = Fcdr (Fcdr (entry));
5214 if (NILP (codepage))
5215 return CP_8BIT;
5216 else if (XFASTINT (codepage) == XFASTINT (Qt))
5217 return CP_UNICODE;
5218 else if (INTEGERP (codepage))
5219 return XINT (codepage);
5220 else
5221 return CP_UNKNOWN;
5225 static BOOL
5226 w32_to_x_font (lplogfont, lpxstr, len, specific_charset)
5227 LOGFONT * lplogfont;
5228 char * lpxstr;
5229 int len;
5230 char * specific_charset;
5232 char* fonttype;
5233 char *fontname;
5234 char height_pixels[8];
5235 char height_dpi[8];
5236 char width_pixels[8];
5237 char *fontname_dash;
5238 int display_resy = (int) one_w32_display_info.resy;
5239 int display_resx = (int) one_w32_display_info.resx;
5240 int bufsz;
5241 struct coding_system coding;
5243 if (!lpxstr) abort ();
5245 if (!lplogfont)
5246 return FALSE;
5248 if (lplogfont->lfOutPrecision == OUT_STRING_PRECIS)
5249 fonttype = "raster";
5250 else if (lplogfont->lfOutPrecision == OUT_STROKE_PRECIS)
5251 fonttype = "outline";
5252 else
5253 fonttype = "unknown";
5255 setup_coding_system (Fcheck_coding_system (Vlocale_coding_system),
5256 &coding);
5257 coding.src_multibyte = 0;
5258 coding.dst_multibyte = 1;
5259 coding.mode |= CODING_MODE_LAST_BLOCK;
5260 /* We explicitely disable composition handling because selection
5261 data should not contain any composition sequence. */
5262 coding.composing = COMPOSITION_DISABLED;
5263 bufsz = decoding_buffer_size (&coding, LF_FACESIZE);
5265 fontname = alloca(sizeof(*fontname) * bufsz);
5266 decode_coding (&coding, lplogfont->lfFaceName, fontname,
5267 strlen(lplogfont->lfFaceName), bufsz - 1);
5268 *(fontname + coding.produced) = '\0';
5270 /* Replace dashes with underscores so the dashes are not
5271 misinterpreted. */
5272 fontname_dash = fontname;
5273 while (fontname_dash = strchr (fontname_dash, '-'))
5274 *fontname_dash = '_';
5276 if (lplogfont->lfHeight)
5278 sprintf (height_pixels, "%u", abs (lplogfont->lfHeight));
5279 sprintf (height_dpi, "%u",
5280 abs (lplogfont->lfHeight) * 720 / display_resy);
5282 else
5284 strcpy (height_pixels, "*");
5285 strcpy (height_dpi, "*");
5288 #if 0 /* Never put the width in the xfld. It fails on fonts with
5289 double-width characters. */
5290 if (lplogfont->lfWidth)
5291 sprintf (width_pixels, "%u", lplogfont->lfWidth * 10);
5292 else
5293 #endif
5294 strcpy (width_pixels, "*");
5296 _snprintf (lpxstr, len - 1,
5297 "-%s-%s-%s-%c-normal-normal-%s-%s-%d-%d-%c-%s-%s",
5298 fonttype, /* foundry */
5299 fontname, /* family */
5300 w32_to_x_weight (lplogfont->lfWeight), /* weight */
5301 lplogfont->lfItalic?'i':'r', /* slant */
5302 /* setwidth name */
5303 /* add style name */
5304 height_pixels, /* pixel size */
5305 height_dpi, /* point size */
5306 display_resx, /* resx */
5307 display_resy, /* resy */
5308 ((lplogfont->lfPitchAndFamily & 0x3) == VARIABLE_PITCH)
5309 ? 'p' : 'c', /* spacing */
5310 width_pixels, /* avg width */
5311 specific_charset ? specific_charset
5312 : w32_to_x_charset (lplogfont->lfCharSet)
5313 /* charset registry and encoding */
5316 lpxstr[len - 1] = 0; /* just to be sure */
5317 return (TRUE);
5320 static BOOL
5321 x_to_w32_font (lpxstr, lplogfont)
5322 char * lpxstr;
5323 LOGFONT * lplogfont;
5325 struct coding_system coding;
5327 if (!lplogfont) return (FALSE);
5329 memset (lplogfont, 0, sizeof (*lplogfont));
5331 /* Set default value for each field. */
5332 #if 1
5333 lplogfont->lfOutPrecision = OUT_DEFAULT_PRECIS;
5334 lplogfont->lfClipPrecision = CLIP_DEFAULT_PRECIS;
5335 lplogfont->lfQuality = DEFAULT_QUALITY;
5336 #else
5337 /* go for maximum quality */
5338 lplogfont->lfOutPrecision = OUT_STROKE_PRECIS;
5339 lplogfont->lfClipPrecision = CLIP_STROKE_PRECIS;
5340 lplogfont->lfQuality = PROOF_QUALITY;
5341 #endif
5343 lplogfont->lfCharSet = DEFAULT_CHARSET;
5344 lplogfont->lfWeight = FW_DONTCARE;
5345 lplogfont->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
5347 if (!lpxstr)
5348 return FALSE;
5350 /* Provide a simple escape mechanism for specifying Windows font names
5351 * directly -- if font spec does not beginning with '-', assume this
5352 * format:
5353 * "<font name>[:height in pixels[:width in pixels[:weight]]]"
5356 if (*lpxstr == '-')
5358 int fields, tem;
5359 char name[50], weight[20], slant, pitch, pixels[10], height[10],
5360 width[10], resy[10], remainder[50];
5361 char * encoding;
5362 int dpi = (int) one_w32_display_info.resy;
5364 fields = sscanf (lpxstr,
5365 "-%*[^-]-%49[^-]-%19[^-]-%c-%*[^-]-%*[^-]-%9[^-]-%9[^-]-%*[^-]-%9[^-]-%c-%9[^-]-%49s",
5366 name, weight, &slant, pixels, height, resy, &pitch, width, remainder);
5367 if (fields == EOF)
5368 return (FALSE);
5370 /* In the general case when wildcards cover more than one field,
5371 we don't know which field is which, so don't fill any in.
5372 However, we need to cope with this particular form, which is
5373 generated by font_list_1 (invoked by try_font_list):
5374 "-raster-6x10-*-gb2312*-*"
5375 and make sure to correctly parse the charset field. */
5376 if (fields == 3)
5378 fields = sscanf (lpxstr,
5379 "-%*[^-]-%49[^-]-*-%49s",
5380 name, remainder);
5382 else if (fields < 9)
5384 fields = 0;
5385 remainder[0] = 0;
5388 if (fields > 0 && name[0] != '*')
5390 int bufsize;
5391 unsigned char *buf;
5393 setup_coding_system
5394 (Fcheck_coding_system (Vlocale_coding_system), &coding);
5395 coding.src_multibyte = 1;
5396 coding.dst_multibyte = 0;
5397 /* Need to set COMPOSITION_DISABLED, otherwise Emacs crashes in
5398 encode_coding_iso2022 trying to dereference a null pointer. */
5399 coding.composing = COMPOSITION_DISABLED;
5400 if (coding.type == coding_type_iso2022)
5401 coding.flags |= CODING_FLAG_ISO_SAFE;
5402 bufsize = encoding_buffer_size (&coding, strlen (name));
5403 buf = (unsigned char *) alloca (bufsize);
5404 coding.mode |= CODING_MODE_LAST_BLOCK;
5405 encode_coding (&coding, name, buf, strlen (name), bufsize);
5406 if (coding.produced >= LF_FACESIZE)
5407 coding.produced = LF_FACESIZE - 1;
5408 buf[coding.produced] = 0;
5409 strcpy (lplogfont->lfFaceName, buf);
5411 else
5413 lplogfont->lfFaceName[0] = '\0';
5416 fields--;
5418 lplogfont->lfWeight = x_to_w32_weight ((fields > 0 ? weight : ""));
5420 fields--;
5422 lplogfont->lfItalic = (fields > 0 && slant == 'i');
5424 fields--;
5426 if (fields > 0 && pixels[0] != '*')
5427 lplogfont->lfHeight = atoi (pixels);
5429 fields--;
5430 fields--;
5431 if (fields > 0 && resy[0] != '*')
5433 tem = atoi (resy);
5434 if (tem > 0) dpi = tem;
5437 if (fields > -1 && lplogfont->lfHeight == 0 && height[0] != '*')
5438 lplogfont->lfHeight = atoi (height) * dpi / 720;
5440 if (fields > 0)
5441 lplogfont->lfPitchAndFamily =
5442 (fields > 0 && pitch == 'p') ? VARIABLE_PITCH : FIXED_PITCH;
5444 fields--;
5446 if (fields > 0 && width[0] != '*')
5447 lplogfont->lfWidth = atoi (width) / 10;
5449 fields--;
5451 /* Strip the trailing '-' if present. (it shouldn't be, as it
5452 fails the test against xlfd-tight-regexp in fontset.el). */
5454 int len = strlen (remainder);
5455 if (len > 0 && remainder[len-1] == '-')
5456 remainder[len-1] = 0;
5458 encoding = remainder;
5459 #if 0
5460 if (strncmp (encoding, "*-", 2) == 0)
5461 encoding += 2;
5462 #endif
5463 lplogfont->lfCharSet = x_to_w32_charset (encoding);
5465 else
5467 int fields;
5468 char name[100], height[10], width[10], weight[20];
5470 fields = sscanf (lpxstr,
5471 "%99[^:]:%9[^:]:%9[^:]:%19s",
5472 name, height, width, weight);
5474 if (fields == EOF) return (FALSE);
5476 if (fields > 0)
5478 strncpy (lplogfont->lfFaceName,name, LF_FACESIZE);
5479 lplogfont->lfFaceName[LF_FACESIZE-1] = 0;
5481 else
5483 lplogfont->lfFaceName[0] = 0;
5486 fields--;
5488 if (fields > 0)
5489 lplogfont->lfHeight = atoi (height);
5491 fields--;
5493 if (fields > 0)
5494 lplogfont->lfWidth = atoi (width);
5496 fields--;
5498 lplogfont->lfWeight = x_to_w32_weight ((fields > 0 ? weight : ""));
5501 /* This makes TrueType fonts work better. */
5502 lplogfont->lfHeight = - abs (lplogfont->lfHeight);
5504 return (TRUE);
5507 /* Strip the pixel height and point height from the given xlfd, and
5508 return the pixel height. If no pixel height is specified, calculate
5509 one from the point height, or if that isn't defined either, return
5510 0 (which usually signifies a scalable font).
5512 static int
5513 xlfd_strip_height (char *fontname)
5515 int pixel_height, field_number;
5516 char *read_from, *write_to;
5518 xassert (fontname);
5520 pixel_height = field_number = 0;
5521 write_to = NULL;
5523 /* Look for height fields. */
5524 for (read_from = fontname; *read_from; read_from++)
5526 if (*read_from == '-')
5528 field_number++;
5529 if (field_number == 7) /* Pixel height. */
5531 read_from++;
5532 write_to = read_from;
5534 /* Find end of field. */
5535 for (;*read_from && *read_from != '-'; read_from++)
5538 /* Split the fontname at end of field. */
5539 if (*read_from)
5541 *read_from = '\0';
5542 read_from++;
5544 pixel_height = atoi (write_to);
5545 /* Blank out field. */
5546 if (read_from > write_to)
5548 *write_to = '-';
5549 write_to++;
5551 /* If the pixel height field is at the end (partial xlfd),
5552 return now. */
5553 else
5554 return pixel_height;
5556 /* If we got a pixel height, the point height can be
5557 ignored. Just blank it out and break now. */
5558 if (pixel_height)
5560 /* Find end of point size field. */
5561 for (; *read_from && *read_from != '-'; read_from++)
5564 if (*read_from)
5565 read_from++;
5567 /* Blank out the point size field. */
5568 if (read_from > write_to)
5570 *write_to = '-';
5571 write_to++;
5573 else
5574 return pixel_height;
5576 break;
5578 /* If the point height is already blank, break now. */
5579 if (*read_from == '-')
5581 read_from++;
5582 break;
5585 else if (field_number == 8)
5587 /* If we didn't get a pixel height, try to get the point
5588 height and convert that. */
5589 int point_size;
5590 char *point_size_start = read_from++;
5592 /* Find end of field. */
5593 for (; *read_from && *read_from != '-'; read_from++)
5596 if (*read_from)
5598 *read_from = '\0';
5599 read_from++;
5602 point_size = atoi (point_size_start);
5604 /* Convert to pixel height. */
5605 pixel_height = point_size
5606 * one_w32_display_info.height_in / 720;
5608 /* Blank out this field and break. */
5609 *write_to = '-';
5610 write_to++;
5611 break;
5616 /* Shift the rest of the font spec into place. */
5617 if (write_to && read_from > write_to)
5619 for (; *read_from; read_from++, write_to++)
5620 *write_to = *read_from;
5621 *write_to = '\0';
5624 return pixel_height;
5627 /* Assume parameter 1 is fully qualified, no wildcards. */
5628 static BOOL
5629 w32_font_match (fontname, pattern)
5630 char * fontname;
5631 char * pattern;
5633 char *ptr;
5634 char *font_name_copy;
5635 char *regex = alloca (strlen (pattern) * 2 + 3);
5637 font_name_copy = alloca (strlen (fontname) + 1);
5638 strcpy (font_name_copy, fontname);
5640 ptr = regex;
5641 *ptr++ = '^';
5643 /* Turn pattern into a regexp and do a regexp match. */
5644 for (; *pattern; pattern++)
5646 if (*pattern == '?')
5647 *ptr++ = '.';
5648 else if (*pattern == '*')
5650 *ptr++ = '.';
5651 *ptr++ = '*';
5653 else
5654 *ptr++ = *pattern;
5656 *ptr = '$';
5657 *(ptr + 1) = '\0';
5659 /* Strip out font heights and compare them seperately, since
5660 rounding error can cause mismatches. This also allows a
5661 comparison between a font that declares only a pixel height and a
5662 pattern that declares the point height.
5665 int font_height, pattern_height;
5667 font_height = xlfd_strip_height (font_name_copy);
5668 pattern_height = xlfd_strip_height (regex);
5670 /* Compare now, and don't bother doing expensive regexp matching
5671 if the heights differ. */
5672 if (font_height && pattern_height && (font_height != pattern_height))
5673 return FALSE;
5676 return (fast_string_match_ignore_case (build_string (regex),
5677 build_string(font_name_copy)) >= 0);
5680 /* Callback functions, and a structure holding info they need, for
5681 listing system fonts on W32. We need one set of functions to do the
5682 job properly, but these don't work on NT 3.51 and earlier, so we
5683 have a second set which don't handle character sets properly to
5684 fall back on.
5686 In both cases, there are two passes made. The first pass gets one
5687 font from each family, the second pass lists all the fonts from
5688 each family. */
5690 typedef struct enumfont_t
5692 HDC hdc;
5693 int numFonts;
5694 LOGFONT logfont;
5695 XFontStruct *size_ref;
5696 Lisp_Object pattern;
5697 Lisp_Object list;
5698 } enumfont_t;
5701 static void
5702 enum_font_maybe_add_to_list (enumfont_t *, LOGFONT *, char *, Lisp_Object);
5705 static int CALLBACK
5706 enum_font_cb2 (lplf, lptm, FontType, lpef)
5707 ENUMLOGFONT * lplf;
5708 NEWTEXTMETRIC * lptm;
5709 int FontType;
5710 enumfont_t * lpef;
5712 /* Ignore struck out and underlined versions of fonts. */
5713 if (lplf->elfLogFont.lfStrikeOut || lplf->elfLogFont.lfUnderline)
5714 return 1;
5716 /* Only return fonts with names starting with @ if they were
5717 explicitly specified, since Microsoft uses an initial @ to
5718 denote fonts for vertical writing, without providing a more
5719 convenient way of identifying them. */
5720 if (lplf->elfLogFont.lfFaceName[0] == '@'
5721 && lpef->logfont.lfFaceName[0] != '@')
5722 return 1;
5724 /* Check that the character set matches if it was specified */
5725 if (lpef->logfont.lfCharSet != DEFAULT_CHARSET &&
5726 lplf->elfLogFont.lfCharSet != lpef->logfont.lfCharSet)
5727 return 1;
5729 if (FontType == RASTER_FONTTYPE)
5731 /* DBCS raster fonts have problems displaying, so skip them. */
5732 int charset = lplf->elfLogFont.lfCharSet;
5733 if (charset == SHIFTJIS_CHARSET
5734 || charset == HANGEUL_CHARSET
5735 || charset == CHINESEBIG5_CHARSET
5736 || charset == GB2312_CHARSET
5737 #ifdef JOHAB_CHARSET
5738 || charset == JOHAB_CHARSET
5739 #endif
5741 return 1;
5745 char buf[100];
5746 Lisp_Object width = Qnil;
5747 Lisp_Object charset_list = Qnil;
5748 char *charset = NULL;
5750 /* Truetype fonts do not report their true metrics until loaded */
5751 if (FontType != RASTER_FONTTYPE)
5753 if (!NILP (lpef->pattern))
5755 /* Scalable fonts are as big as you want them to be. */
5756 lplf->elfLogFont.lfHeight = lpef->logfont.lfHeight;
5757 lplf->elfLogFont.lfWidth = lpef->logfont.lfWidth;
5758 width = make_number (lpef->logfont.lfWidth);
5760 else
5762 lplf->elfLogFont.lfHeight = 0;
5763 lplf->elfLogFont.lfWidth = 0;
5767 /* Make sure the height used here is the same as everywhere
5768 else (ie character height, not cell height). */
5769 if (lplf->elfLogFont.lfHeight > 0)
5771 /* lptm can be trusted for RASTER fonts, but not scalable ones. */
5772 if (FontType == RASTER_FONTTYPE)
5773 lplf->elfLogFont.lfHeight = lptm->tmInternalLeading - lptm->tmHeight;
5774 else
5775 lplf->elfLogFont.lfHeight = -lplf->elfLogFont.lfHeight;
5778 if (!NILP (lpef->pattern))
5780 charset = xlfd_charset_of_font (SDATA (lpef->pattern));
5782 /* We already checked charsets above, but DEFAULT_CHARSET
5783 slipped through. So only allow exact matches for DEFAULT_CHARSET. */
5784 if (charset
5785 && strncmp (charset, "*-*", 3) != 0
5786 && lpef->logfont.lfCharSet == DEFAULT_CHARSET
5787 && strcmp (charset, w32_to_x_charset (DEFAULT_CHARSET)) != 0)
5788 return 1;
5791 if (charset)
5792 charset_list = Fcons (build_string (charset), Qnil);
5793 else
5794 charset_list = w32_to_all_x_charsets (lplf->elfLogFont.lfCharSet);
5796 /* Loop through the charsets. */
5797 for ( ; CONSP (charset_list); charset_list = Fcdr (charset_list))
5799 Lisp_Object this_charset = Fcar (charset_list);
5800 charset = SDATA (this_charset);
5802 /* List bold and italic variations if w32-enable-synthesized-fonts
5803 is non-nil and this is a plain font. */
5804 if (w32_enable_synthesized_fonts
5805 && lplf->elfLogFont.lfWeight == FW_NORMAL
5806 && lplf->elfLogFont.lfItalic == FALSE)
5808 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5809 charset, width);
5810 /* bold. */
5811 lplf->elfLogFont.lfWeight = FW_BOLD;
5812 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5813 charset, width);
5814 /* bold italic. */
5815 lplf->elfLogFont.lfItalic = TRUE;
5816 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5817 charset, width);
5818 /* italic. */
5819 lplf->elfLogFont.lfWeight = FW_NORMAL;
5820 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5821 charset, width);
5823 else
5824 enum_font_maybe_add_to_list (lpef, &(lplf->elfLogFont),
5825 charset, width);
5829 return 1;
5832 static void
5833 enum_font_maybe_add_to_list (lpef, logfont, match_charset, width)
5834 enumfont_t * lpef;
5835 LOGFONT * logfont;
5836 char * match_charset;
5837 Lisp_Object width;
5839 char buf[100];
5841 if (!w32_to_x_font (logfont, buf, 100, match_charset))
5842 return;
5844 if (NILP (lpef->pattern)
5845 || w32_font_match (buf, SDATA (lpef->pattern)))
5847 /* Check if we already listed this font. This may happen if
5848 w32_enable_synthesized_fonts is non-nil, and there are real
5849 bold and italic versions of the font. */
5850 Lisp_Object font_name = build_string (buf);
5851 if (NILP (Fmember (font_name, lpef->list)))
5853 Lisp_Object entry = Fcons (font_name, width);
5854 lpef->list = Fcons (entry, lpef->list);
5855 lpef->numFonts++;
5861 static int CALLBACK
5862 enum_font_cb1 (lplf, lptm, FontType, lpef)
5863 ENUMLOGFONT * lplf;
5864 NEWTEXTMETRIC * lptm;
5865 int FontType;
5866 enumfont_t * lpef;
5868 return EnumFontFamilies (lpef->hdc,
5869 lplf->elfLogFont.lfFaceName,
5870 (FONTENUMPROC) enum_font_cb2,
5871 (LPARAM) lpef);
5875 static int CALLBACK
5876 enum_fontex_cb2 (lplf, lptm, font_type, lpef)
5877 ENUMLOGFONTEX * lplf;
5878 NEWTEXTMETRICEX * lptm;
5879 int font_type;
5880 enumfont_t * lpef;
5882 /* We are not interested in the extra info we get back from the 'Ex
5883 version - only the fact that we get character set variations
5884 enumerated seperately. */
5885 return enum_font_cb2 ((ENUMLOGFONT *) lplf, (NEWTEXTMETRIC *) lptm,
5886 font_type, lpef);
5889 static int CALLBACK
5890 enum_fontex_cb1 (lplf, lptm, font_type, lpef)
5891 ENUMLOGFONTEX * lplf;
5892 NEWTEXTMETRICEX * lptm;
5893 int font_type;
5894 enumfont_t * lpef;
5896 HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
5897 FARPROC enum_font_families_ex
5898 = GetProcAddress ( gdi32, "EnumFontFamiliesExA");
5899 /* We don't really expect EnumFontFamiliesEx to disappear once we
5900 get here, so don't bother handling it gracefully. */
5901 if (enum_font_families_ex == NULL)
5902 error ("gdi32.dll has disappeared!");
5903 return enum_font_families_ex (lpef->hdc,
5904 &lplf->elfLogFont,
5905 (FONTENUMPROC) enum_fontex_cb2,
5906 (LPARAM) lpef, 0);
5909 /* Interface to fontset handler. (adapted from mw32font.c in Meadow
5910 and xterm.c in Emacs 20.3) */
5912 static Lisp_Object w32_list_bdf_fonts (Lisp_Object pattern, int max_names)
5914 char *fontname, *ptnstr;
5915 Lisp_Object list, tem, newlist = Qnil;
5916 int n_fonts = 0;
5918 list = Vw32_bdf_filename_alist;
5919 ptnstr = SDATA (pattern);
5921 for ( ; CONSP (list); list = XCDR (list))
5923 tem = XCAR (list);
5924 if (CONSP (tem))
5925 fontname = SDATA (XCAR (tem));
5926 else if (STRINGP (tem))
5927 fontname = SDATA (tem);
5928 else
5929 continue;
5931 if (w32_font_match (fontname, ptnstr))
5933 newlist = Fcons (XCAR (tem), newlist);
5934 n_fonts++;
5935 if (max_names >= 0 && n_fonts >= max_names)
5936 break;
5940 return newlist;
5944 /* Return a list of names of available fonts matching PATTERN on frame
5945 F. If SIZE is not 0, it is the size (maximum bound width) of fonts
5946 to be listed. Frame F NULL means we have not yet created any
5947 frame, which means we can't get proper size info, as we don't have
5948 a device context to use for GetTextMetrics.
5949 MAXNAMES sets a limit on how many fonts to match. If MAXNAMES is
5950 negative, then all matching fonts are returned. */
5952 Lisp_Object
5953 w32_list_fonts (f, pattern, size, maxnames)
5954 struct frame *f;
5955 Lisp_Object pattern;
5956 int size;
5957 int maxnames;
5959 Lisp_Object patterns, key = Qnil, tem, tpat;
5960 Lisp_Object list = Qnil, newlist = Qnil, second_best = Qnil;
5961 struct w32_display_info *dpyinfo = &one_w32_display_info;
5962 int n_fonts = 0;
5964 patterns = Fassoc (pattern, Valternate_fontname_alist);
5965 if (NILP (patterns))
5966 patterns = Fcons (pattern, Qnil);
5968 for (; CONSP (patterns); patterns = XCDR (patterns))
5970 enumfont_t ef;
5971 int codepage;
5973 tpat = XCAR (patterns);
5975 if (!STRINGP (tpat))
5976 continue;
5978 /* Avoid expensive EnumFontFamilies functions if we are not
5979 going to be able to output one of these anyway. */
5980 codepage = w32_codepage_for_font (SDATA (tpat));
5981 if (codepage != CP_8BIT && codepage != CP_UNICODE
5982 && codepage != CP_DEFAULT && codepage != CP_UNKNOWN
5983 && !IsValidCodePage(codepage))
5984 continue;
5986 /* See if we cached the result for this particular query.
5987 The cache is an alist of the form:
5988 ((PATTERN (FONTNAME . WIDTH) ...) ...)
5990 if (tem = XCDR (dpyinfo->name_list_element),
5991 !NILP (list = Fassoc (tpat, tem)))
5993 list = Fcdr_safe (list);
5994 /* We have a cached list. Don't have to get the list again. */
5995 goto label_cached;
5998 BLOCK_INPUT;
5999 /* At first, put PATTERN in the cache. */
6000 ef.pattern = tpat;
6001 ef.list = Qnil;
6002 ef.numFonts = 0;
6004 /* Use EnumFontFamiliesEx where it is available, as it knows
6005 about character sets. Fall back to EnumFontFamilies for
6006 older versions of NT that don't support the 'Ex function. */
6007 x_to_w32_font (SDATA (tpat), &ef.logfont);
6009 LOGFONT font_match_pattern;
6010 HMODULE gdi32 = GetModuleHandle ("gdi32.dll");
6011 FARPROC enum_font_families_ex
6012 = GetProcAddress ( gdi32, "EnumFontFamiliesExA");
6014 /* We do our own pattern matching so we can handle wildcards. */
6015 font_match_pattern.lfFaceName[0] = 0;
6016 font_match_pattern.lfPitchAndFamily = 0;
6017 /* We can use the charset, because if it is a wildcard it will
6018 be DEFAULT_CHARSET anyway. */
6019 font_match_pattern.lfCharSet = ef.logfont.lfCharSet;
6021 ef.hdc = GetDC (dpyinfo->root_window);
6023 if (enum_font_families_ex)
6024 enum_font_families_ex (ef.hdc,
6025 &font_match_pattern,
6026 (FONTENUMPROC) enum_fontex_cb1,
6027 (LPARAM) &ef, 0);
6028 else
6029 EnumFontFamilies (ef.hdc, NULL, (FONTENUMPROC) enum_font_cb1,
6030 (LPARAM)&ef);
6032 ReleaseDC (dpyinfo->root_window, ef.hdc);
6035 UNBLOCK_INPUT;
6036 list = ef.list;
6038 /* Make a list of the fonts we got back.
6039 Store that in the font cache for the display. */
6040 XSETCDR (dpyinfo->name_list_element,
6041 Fcons (Fcons (tpat, list),
6042 XCDR (dpyinfo->name_list_element)));
6044 label_cached:
6045 if (NILP (list)) continue; /* Try the remaining alternatives. */
6047 newlist = second_best = Qnil;
6049 /* Make a list of the fonts that have the right width. */
6050 for (; CONSP (list); list = XCDR (list))
6052 int found_size;
6053 tem = XCAR (list);
6055 if (!CONSP (tem))
6056 continue;
6057 if (NILP (XCAR (tem)))
6058 continue;
6059 if (!size)
6061 newlist = Fcons (XCAR (tem), newlist);
6062 n_fonts++;
6063 if (maxnames >= 0 && n_fonts >= maxnames)
6064 break;
6065 else
6066 continue;
6068 if (!INTEGERP (XCDR (tem)))
6070 /* Since we don't yet know the size of the font, we must
6071 load it and try GetTextMetrics. */
6072 W32FontStruct thisinfo;
6073 LOGFONT lf;
6074 HDC hdc;
6075 HANDLE oldobj;
6077 if (!x_to_w32_font (SDATA (XCAR (tem)), &lf))
6078 continue;
6080 BLOCK_INPUT;
6081 thisinfo.bdf = NULL;
6082 thisinfo.hfont = CreateFontIndirect (&lf);
6083 if (thisinfo.hfont == NULL)
6084 continue;
6086 hdc = GetDC (dpyinfo->root_window);
6087 oldobj = SelectObject (hdc, thisinfo.hfont);
6088 if (GetTextMetrics (hdc, &thisinfo.tm))
6089 XSETCDR (tem, make_number (FONT_WIDTH (&thisinfo)));
6090 else
6091 XSETCDR (tem, make_number (0));
6092 SelectObject (hdc, oldobj);
6093 ReleaseDC (dpyinfo->root_window, hdc);
6094 DeleteObject(thisinfo.hfont);
6095 UNBLOCK_INPUT;
6097 found_size = XINT (XCDR (tem));
6098 if (found_size == size)
6100 newlist = Fcons (XCAR (tem), newlist);
6101 n_fonts++;
6102 if (maxnames >= 0 && n_fonts >= maxnames)
6103 break;
6105 /* keep track of the closest matching size in case
6106 no exact match is found. */
6107 else if (found_size > 0)
6109 if (NILP (second_best))
6110 second_best = tem;
6112 else if (found_size < size)
6114 if (XINT (XCDR (second_best)) > size
6115 || XINT (XCDR (second_best)) < found_size)
6116 second_best = tem;
6118 else
6120 if (XINT (XCDR (second_best)) > size
6121 && XINT (XCDR (second_best)) >
6122 found_size)
6123 second_best = tem;
6128 if (!NILP (newlist))
6129 break;
6130 else if (!NILP (second_best))
6132 newlist = Fcons (XCAR (second_best), Qnil);
6133 break;
6137 /* Include any bdf fonts. */
6138 if (n_fonts < maxnames || maxnames < 0)
6140 Lisp_Object combined[2];
6141 combined[0] = w32_list_bdf_fonts (pattern, maxnames - n_fonts);
6142 combined[1] = newlist;
6143 newlist = Fnconc(2, combined);
6146 return newlist;
6150 /* Return a pointer to struct font_info of font FONT_IDX of frame F. */
6151 struct font_info *
6152 w32_get_font_info (f, font_idx)
6153 FRAME_PTR f;
6154 int font_idx;
6156 return (FRAME_W32_FONT_TABLE (f) + font_idx);
6160 struct font_info*
6161 w32_query_font (struct frame *f, char *fontname)
6163 int i;
6164 struct font_info *pfi;
6166 pfi = FRAME_W32_FONT_TABLE (f);
6168 for (i = 0; i < one_w32_display_info.n_fonts ;i++, pfi++)
6170 if (strcmp(pfi->name, fontname) == 0) return pfi;
6173 return NULL;
6176 /* Find a CCL program for a font specified by FONTP, and set the member
6177 `encoder' of the structure. */
6179 void
6180 w32_find_ccl_program (fontp)
6181 struct font_info *fontp;
6183 Lisp_Object list, elt;
6185 for (list = Vfont_ccl_encoder_alist; CONSP (list); list = XCDR (list))
6187 elt = XCAR (list);
6188 if (CONSP (elt)
6189 && STRINGP (XCAR (elt))
6190 && (fast_c_string_match_ignore_case (XCAR (elt), fontp->name)
6191 >= 0))
6192 break;
6194 if (! NILP (list))
6196 struct ccl_program *ccl
6197 = (struct ccl_program *) xmalloc (sizeof (struct ccl_program));
6199 if (setup_ccl_program (ccl, XCDR (elt)) < 0)
6200 xfree (ccl);
6201 else
6202 fontp->font_encoder = ccl;
6206 /* directory-files from dired.c. */
6207 Lisp_Object Fdirectory_files P_((Lisp_Object, Lisp_Object, Lisp_Object, Lisp_Object));
6210 /* Find BDF files in a specified directory. (use GCPRO when calling,
6211 as this calls lisp to get a directory listing). */
6212 static Lisp_Object
6213 w32_find_bdf_fonts_in_dir (Lisp_Object directory)
6215 Lisp_Object filelist, list = Qnil;
6216 char fontname[100];
6218 if (!STRINGP(directory))
6219 return Qnil;
6221 filelist = Fdirectory_files (directory, Qt,
6222 build_string (".*\\.[bB][dD][fF]"), Qt);
6224 for ( ; CONSP(filelist); filelist = XCDR (filelist))
6226 Lisp_Object filename = XCAR (filelist);
6227 if (w32_BDF_to_x_font (SDATA (filename), fontname, 100))
6228 store_in_alist (&list, build_string (fontname), filename);
6230 return list;
6233 DEFUN ("w32-find-bdf-fonts", Fw32_find_bdf_fonts, Sw32_find_bdf_fonts,
6234 1, 1, 0,
6235 doc: /* Return a list of BDF fonts in DIRECTORY.
6236 The list is suitable for appending to `w32-bdf-filename-alist'.
6237 Fonts which do not contain an xlfd description will not be included
6238 in the list. DIRECTORY may be a list of directories. */)
6239 (directory)
6240 Lisp_Object directory;
6242 Lisp_Object list = Qnil;
6243 struct gcpro gcpro1, gcpro2;
6245 if (!CONSP (directory))
6246 return w32_find_bdf_fonts_in_dir (directory);
6248 for ( ; CONSP (directory); directory = XCDR (directory))
6250 Lisp_Object pair[2];
6251 pair[0] = list;
6252 pair[1] = Qnil;
6253 GCPRO2 (directory, list);
6254 pair[1] = w32_find_bdf_fonts_in_dir( XCAR (directory) );
6255 list = Fnconc( 2, pair );
6256 UNGCPRO;
6258 return list;
6262 DEFUN ("xw-color-defined-p", Fxw_color_defined_p, Sxw_color_defined_p, 1, 2, 0,
6263 doc: /* Internal function called by `color-defined-p', which see. */)
6264 (color, frame)
6265 Lisp_Object color, frame;
6267 XColor foo;
6268 FRAME_PTR f = check_x_frame (frame);
6270 CHECK_STRING (color);
6272 if (w32_defined_color (f, SDATA (color), &foo, 0))
6273 return Qt;
6274 else
6275 return Qnil;
6278 DEFUN ("xw-color-values", Fxw_color_values, Sxw_color_values, 1, 2, 0,
6279 doc: /* Internal function called by `color-values', which see. */)
6280 (color, frame)
6281 Lisp_Object color, frame;
6283 XColor foo;
6284 FRAME_PTR f = check_x_frame (frame);
6286 CHECK_STRING (color);
6288 if (w32_defined_color (f, SDATA (color), &foo, 0))
6290 Lisp_Object rgb[3];
6292 rgb[0] = make_number ((GetRValue (foo.pixel) << 8)
6293 | GetRValue (foo.pixel));
6294 rgb[1] = make_number ((GetGValue (foo.pixel) << 8)
6295 | GetGValue (foo.pixel));
6296 rgb[2] = make_number ((GetBValue (foo.pixel) << 8)
6297 | GetBValue (foo.pixel));
6298 return Flist (3, rgb);
6300 else
6301 return Qnil;
6304 DEFUN ("xw-display-color-p", Fxw_display_color_p, Sxw_display_color_p, 0, 1, 0,
6305 doc: /* Internal function called by `display-color-p', which see. */)
6306 (display)
6307 Lisp_Object display;
6309 struct w32_display_info *dpyinfo = check_x_display_info (display);
6311 if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 2)
6312 return Qnil;
6314 return Qt;
6317 DEFUN ("x-display-grayscale-p", Fx_display_grayscale_p,
6318 Sx_display_grayscale_p, 0, 1, 0,
6319 doc: /* Return t if DISPLAY supports shades of gray.
6320 Note that color displays do support shades of gray.
6321 The optional argument DISPLAY specifies which display to ask about.
6322 DISPLAY should be either a frame or a display name (a string).
6323 If omitted or nil, that stands for the selected frame's display. */)
6324 (display)
6325 Lisp_Object display;
6327 struct w32_display_info *dpyinfo = check_x_display_info (display);
6329 if ((dpyinfo->n_planes * dpyinfo->n_cbits) <= 1)
6330 return Qnil;
6332 return Qt;
6335 DEFUN ("x-display-pixel-width", Fx_display_pixel_width,
6336 Sx_display_pixel_width, 0, 1, 0,
6337 doc: /* Returns the width in pixels of DISPLAY.
6338 The optional argument DISPLAY specifies which display to ask about.
6339 DISPLAY should be either a frame or a display name (a string).
6340 If omitted or nil, that stands for the selected frame's display. */)
6341 (display)
6342 Lisp_Object display;
6344 struct w32_display_info *dpyinfo = check_x_display_info (display);
6346 return make_number (dpyinfo->width);
6349 DEFUN ("x-display-pixel-height", Fx_display_pixel_height,
6350 Sx_display_pixel_height, 0, 1, 0,
6351 doc: /* Returns the height in pixels of DISPLAY.
6352 The optional argument DISPLAY specifies which display to ask about.
6353 DISPLAY should be either a frame or a display name (a string).
6354 If omitted or nil, that stands for the selected frame's display. */)
6355 (display)
6356 Lisp_Object display;
6358 struct w32_display_info *dpyinfo = check_x_display_info (display);
6360 return make_number (dpyinfo->height);
6363 DEFUN ("x-display-planes", Fx_display_planes, Sx_display_planes,
6364 0, 1, 0,
6365 doc: /* Returns the number of bitplanes of DISPLAY.
6366 The optional argument DISPLAY specifies which display to ask about.
6367 DISPLAY should be either a frame or a display name (a string).
6368 If omitted or nil, that stands for the selected frame's display. */)
6369 (display)
6370 Lisp_Object display;
6372 struct w32_display_info *dpyinfo = check_x_display_info (display);
6374 return make_number (dpyinfo->n_planes * dpyinfo->n_cbits);
6377 DEFUN ("x-display-color-cells", Fx_display_color_cells, Sx_display_color_cells,
6378 0, 1, 0,
6379 doc: /* Returns the number of color cells of DISPLAY.
6380 The optional argument DISPLAY specifies which display to ask about.
6381 DISPLAY should be either a frame or a display name (a string).
6382 If omitted or nil, that stands for the selected frame's display. */)
6383 (display)
6384 Lisp_Object display;
6386 struct w32_display_info *dpyinfo = check_x_display_info (display);
6387 HDC hdc;
6388 int cap;
6390 hdc = GetDC (dpyinfo->root_window);
6391 if (dpyinfo->has_palette)
6392 cap = GetDeviceCaps (hdc, SIZEPALETTE);
6393 else
6394 cap = GetDeviceCaps (hdc, NUMCOLORS);
6396 /* We force 24+ bit depths to 24-bit, both to prevent an overflow
6397 and because probably is more meaningful on Windows anyway */
6398 if (cap < 0)
6399 cap = 1 << min(dpyinfo->n_planes * dpyinfo->n_cbits, 24);
6401 ReleaseDC (dpyinfo->root_window, hdc);
6403 return make_number (cap);
6406 DEFUN ("x-server-max-request-size", Fx_server_max_request_size,
6407 Sx_server_max_request_size,
6408 0, 1, 0,
6409 doc: /* Returns the maximum request size of the server of DISPLAY.
6410 The optional argument DISPLAY specifies which display to ask about.
6411 DISPLAY should be either a frame or a display name (a string).
6412 If omitted or nil, that stands for the selected frame's display. */)
6413 (display)
6414 Lisp_Object display;
6416 struct w32_display_info *dpyinfo = check_x_display_info (display);
6418 return make_number (1);
6421 DEFUN ("x-server-vendor", Fx_server_vendor, Sx_server_vendor, 0, 1, 0,
6422 doc: /* Returns the "vendor ID" string of the W32 system (Microsoft).
6423 The optional argument DISPLAY specifies which display to ask about.
6424 DISPLAY should be either a frame or a display name (a string).
6425 If omitted or nil, that stands for the selected frame's display. */)
6426 (display)
6427 Lisp_Object display;
6429 return build_string ("Microsoft Corp.");
6432 DEFUN ("x-server-version", Fx_server_version, Sx_server_version, 0, 1, 0,
6433 doc: /* Returns the version numbers of the server of DISPLAY.
6434 The value is a list of three integers: the major and minor
6435 version numbers of the X Protocol in use, and the distributor-specific release
6436 number. See also the function `x-server-vendor'.
6438 The optional argument DISPLAY specifies which display to ask about.
6439 DISPLAY should be either a frame or a display name (a string).
6440 If omitted or nil, that stands for the selected frame's display. */)
6441 (display)
6442 Lisp_Object display;
6444 return Fcons (make_number (w32_major_version),
6445 Fcons (make_number (w32_minor_version),
6446 Fcons (make_number (w32_build_number), Qnil)));
6449 DEFUN ("x-display-screens", Fx_display_screens, Sx_display_screens, 0, 1, 0,
6450 doc: /* Returns the number of screens on the server of DISPLAY.
6451 The optional argument DISPLAY specifies which display to ask about.
6452 DISPLAY should be either a frame or a display name (a string).
6453 If omitted or nil, that stands for the selected frame's display. */)
6454 (display)
6455 Lisp_Object display;
6457 return make_number (1);
6460 DEFUN ("x-display-mm-height", Fx_display_mm_height,
6461 Sx_display_mm_height, 0, 1, 0,
6462 doc: /* Returns the height in millimeters of DISPLAY.
6463 The optional argument DISPLAY specifies which display to ask about.
6464 DISPLAY should be either a frame or a display name (a string).
6465 If omitted or nil, that stands for the selected frame's display. */)
6466 (display)
6467 Lisp_Object display;
6469 struct w32_display_info *dpyinfo = check_x_display_info (display);
6470 HDC hdc;
6471 int cap;
6473 hdc = GetDC (dpyinfo->root_window);
6475 cap = GetDeviceCaps (hdc, VERTSIZE);
6477 ReleaseDC (dpyinfo->root_window, hdc);
6479 return make_number (cap);
6482 DEFUN ("x-display-mm-width", Fx_display_mm_width, Sx_display_mm_width, 0, 1, 0,
6483 doc: /* Returns the width in millimeters of DISPLAY.
6484 The optional argument DISPLAY specifies which display to ask about.
6485 DISPLAY should be either a frame or a display name (a string).
6486 If omitted or nil, that stands for the selected frame's display. */)
6487 (display)
6488 Lisp_Object display;
6490 struct w32_display_info *dpyinfo = check_x_display_info (display);
6492 HDC hdc;
6493 int cap;
6495 hdc = GetDC (dpyinfo->root_window);
6497 cap = GetDeviceCaps (hdc, HORZSIZE);
6499 ReleaseDC (dpyinfo->root_window, hdc);
6501 return make_number (cap);
6504 DEFUN ("x-display-backing-store", Fx_display_backing_store,
6505 Sx_display_backing_store, 0, 1, 0,
6506 doc: /* Returns an indication of whether DISPLAY does backing store.
6507 The value may be `always', `when-mapped', or `not-useful'.
6508 The optional argument DISPLAY specifies which display to ask about.
6509 DISPLAY should be either a frame or a display name (a string).
6510 If omitted or nil, that stands for the selected frame's display. */)
6511 (display)
6512 Lisp_Object display;
6514 return intern ("not-useful");
6517 DEFUN ("x-display-visual-class", Fx_display_visual_class,
6518 Sx_display_visual_class, 0, 1, 0,
6519 doc: /* Returns the visual class of DISPLAY.
6520 The value is one of the symbols `static-gray', `gray-scale',
6521 `static-color', `pseudo-color', `true-color', or `direct-color'.
6523 The optional argument DISPLAY specifies which display to ask about.
6524 DISPLAY should be either a frame or a display name (a string).
6525 If omitted or nil, that stands for the selected frame's display. */)
6526 (display)
6527 Lisp_Object display;
6529 struct w32_display_info *dpyinfo = check_x_display_info (display);
6530 Lisp_Object result = Qnil;
6532 if (dpyinfo->has_palette)
6533 result = intern ("pseudo-color");
6534 else if (dpyinfo->n_planes * dpyinfo->n_cbits == 1)
6535 result = intern ("static-grey");
6536 else if (dpyinfo->n_planes * dpyinfo->n_cbits == 4)
6537 result = intern ("static-color");
6538 else if (dpyinfo->n_planes * dpyinfo->n_cbits > 8)
6539 result = intern ("true-color");
6541 return result;
6544 DEFUN ("x-display-save-under", Fx_display_save_under,
6545 Sx_display_save_under, 0, 1, 0,
6546 doc: /* Returns t if DISPLAY supports the save-under feature.
6547 The optional argument DISPLAY specifies which display to ask about.
6548 DISPLAY should be either a frame or a display name (a string).
6549 If omitted or nil, that stands for the selected frame's display. */)
6550 (display)
6551 Lisp_Object display;
6553 return Qnil;
6557 x_pixel_width (f)
6558 register struct frame *f;
6560 return FRAME_PIXEL_WIDTH (f);
6564 x_pixel_height (f)
6565 register struct frame *f;
6567 return FRAME_PIXEL_HEIGHT (f);
6571 x_char_width (f)
6572 register struct frame *f;
6574 return FRAME_COLUMN_WIDTH (f);
6578 x_char_height (f)
6579 register struct frame *f;
6581 return FRAME_LINE_HEIGHT (f);
6585 x_screen_planes (f)
6586 register struct frame *f;
6588 return FRAME_W32_DISPLAY_INFO (f)->n_planes;
6591 /* Return the display structure for the display named NAME.
6592 Open a new connection if necessary. */
6594 struct w32_display_info *
6595 x_display_info_for_name (name)
6596 Lisp_Object name;
6598 Lisp_Object names;
6599 struct w32_display_info *dpyinfo;
6601 CHECK_STRING (name);
6603 for (dpyinfo = &one_w32_display_info, names = w32_display_name_list;
6604 dpyinfo;
6605 dpyinfo = dpyinfo->next, names = XCDR (names))
6607 Lisp_Object tem;
6608 tem = Fstring_equal (XCAR (XCAR (names)), name);
6609 if (!NILP (tem))
6610 return dpyinfo;
6613 /* Use this general default value to start with. */
6614 Vx_resource_name = Vinvocation_name;
6616 validate_x_resource_name ();
6618 dpyinfo = w32_term_init (name, (unsigned char *)0,
6619 (char *) SDATA (Vx_resource_name));
6621 if (dpyinfo == 0)
6622 error ("Cannot connect to server %s", SDATA (name));
6624 w32_in_use = 1;
6625 XSETFASTINT (Vwindow_system_version, 3);
6627 return dpyinfo;
6630 DEFUN ("x-open-connection", Fx_open_connection, Sx_open_connection,
6631 1, 3, 0, doc: /* Open a connection to a server.
6632 DISPLAY is the name of the display to connect to.
6633 Optional second arg XRM-STRING is a string of resources in xrdb format.
6634 If the optional third arg MUST-SUCCEED is non-nil,
6635 terminate Emacs if we can't open the connection. */)
6636 (display, xrm_string, must_succeed)
6637 Lisp_Object display, xrm_string, must_succeed;
6639 unsigned char *xrm_option;
6640 struct w32_display_info *dpyinfo;
6642 /* If initialization has already been done, return now to avoid
6643 overwriting critical parts of one_w32_display_info. */
6644 if (w32_in_use)
6645 return Qnil;
6647 CHECK_STRING (display);
6648 if (! NILP (xrm_string))
6649 CHECK_STRING (xrm_string);
6651 if (! EQ (Vwindow_system, intern ("w32")))
6652 error ("Not using Microsoft Windows");
6654 /* Allow color mapping to be defined externally; first look in user's
6655 HOME directory, then in Emacs etc dir for a file called rgb.txt. */
6657 Lisp_Object color_file;
6658 struct gcpro gcpro1;
6660 color_file = build_string("~/rgb.txt");
6662 GCPRO1 (color_file);
6664 if (NILP (Ffile_readable_p (color_file)))
6665 color_file =
6666 Fexpand_file_name (build_string ("rgb.txt"),
6667 Fsymbol_value (intern ("data-directory")));
6669 Vw32_color_map = Fw32_load_color_file (color_file);
6671 UNGCPRO;
6673 if (NILP (Vw32_color_map))
6674 Vw32_color_map = Fw32_default_color_map ();
6676 /* Merge in system logical colors. */
6677 add_system_logical_colors_to_map (&Vw32_color_map);
6679 if (! NILP (xrm_string))
6680 xrm_option = (unsigned char *) SDATA (xrm_string);
6681 else
6682 xrm_option = (unsigned char *) 0;
6684 /* Use this general default value to start with. */
6685 /* First remove .exe suffix from invocation-name - it looks ugly. */
6687 char basename[ MAX_PATH ], *str;
6689 strcpy (basename, SDATA (Vinvocation_name));
6690 str = strrchr (basename, '.');
6691 if (str) *str = 0;
6692 Vinvocation_name = build_string (basename);
6694 Vx_resource_name = Vinvocation_name;
6696 validate_x_resource_name ();
6698 /* This is what opens the connection and sets x_current_display.
6699 This also initializes many symbols, such as those used for input. */
6700 dpyinfo = w32_term_init (display, xrm_option,
6701 (char *) SDATA (Vx_resource_name));
6703 if (dpyinfo == 0)
6705 if (!NILP (must_succeed))
6706 fatal ("Cannot connect to server %s.\n",
6707 SDATA (display));
6708 else
6709 error ("Cannot connect to server %s", SDATA (display));
6712 w32_in_use = 1;
6714 XSETFASTINT (Vwindow_system_version, 3);
6715 return Qnil;
6718 DEFUN ("x-close-connection", Fx_close_connection,
6719 Sx_close_connection, 1, 1, 0,
6720 doc: /* Close the connection to DISPLAY's server.
6721 For DISPLAY, specify either a frame or a display name (a string).
6722 If DISPLAY is nil, that stands for the selected frame's display. */)
6723 (display)
6724 Lisp_Object display;
6726 struct w32_display_info *dpyinfo = check_x_display_info (display);
6727 int i;
6729 if (dpyinfo->reference_count > 0)
6730 error ("Display still has frames on it");
6732 BLOCK_INPUT;
6733 /* Free the fonts in the font table. */
6734 for (i = 0; i < dpyinfo->n_fonts; i++)
6735 if (dpyinfo->font_table[i].name)
6737 if (dpyinfo->font_table[i].name != dpyinfo->font_table[i].full_name)
6738 xfree (dpyinfo->font_table[i].full_name);
6739 xfree (dpyinfo->font_table[i].name);
6740 w32_unload_font (dpyinfo, dpyinfo->font_table[i].font);
6742 x_destroy_all_bitmaps (dpyinfo);
6744 x_delete_display (dpyinfo);
6745 UNBLOCK_INPUT;
6747 return Qnil;
6750 DEFUN ("x-display-list", Fx_display_list, Sx_display_list, 0, 0, 0,
6751 doc: /* Return the list of display names that Emacs has connections to. */)
6754 Lisp_Object tail, result;
6756 result = Qnil;
6757 for (tail = w32_display_name_list; ! NILP (tail); tail = XCDR (tail))
6758 result = Fcons (XCAR (XCAR (tail)), result);
6760 return result;
6763 DEFUN ("x-synchronize", Fx_synchronize, Sx_synchronize, 1, 2, 0,
6764 doc: /* This is a noop on W32 systems. */)
6765 (on, display)
6766 Lisp_Object display, on;
6768 return Qnil;
6773 /***********************************************************************
6774 Window properties
6775 ***********************************************************************/
6777 DEFUN ("x-change-window-property", Fx_change_window_property,
6778 Sx_change_window_property, 2, 6, 0,
6779 doc: /* Change window property PROP to VALUE on the X window of FRAME.
6780 VALUE may be a string or a list of conses, numbers and/or strings.
6781 If an element in the list is a string, it is converted to
6782 an Atom and the value of the Atom is used. If an element is a cons,
6783 it is converted to a 32 bit number where the car is the 16 top bits and the
6784 cdr is the lower 16 bits.
6785 FRAME nil or omitted means use the selected frame.
6786 If TYPE is given and non-nil, it is the name of the type of VALUE.
6787 If TYPE is not given or nil, the type is STRING.
6788 FORMAT gives the size in bits of each element if VALUE is a list.
6789 It must be one of 8, 16 or 32.
6790 If VALUE is a string or FORMAT is nil or not given, FORMAT defaults to 8.
6791 If OUTER_P is non-nil, the property is changed for the outer X window of
6792 FRAME. Default is to change on the edit X window.
6794 Value is VALUE. */)
6795 (prop, value, frame, type, format, outer_p)
6796 Lisp_Object prop, value, frame, type, format, outer_p;
6798 #if 0 /* TODO : port window properties to W32 */
6799 struct frame *f = check_x_frame (frame);
6800 Atom prop_atom;
6802 CHECK_STRING (prop);
6803 CHECK_STRING (value);
6805 BLOCK_INPUT;
6806 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
6807 XChangeProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
6808 prop_atom, XA_STRING, 8, PropModeReplace,
6809 SDATA (value), SCHARS (value));
6811 /* Make sure the property is set when we return. */
6812 XFlush (FRAME_W32_DISPLAY (f));
6813 UNBLOCK_INPUT;
6815 #endif /* TODO */
6817 return value;
6821 DEFUN ("x-delete-window-property", Fx_delete_window_property,
6822 Sx_delete_window_property, 1, 2, 0,
6823 doc: /* Remove window property PROP from X window of FRAME.
6824 FRAME nil or omitted means use the selected frame. Value is PROP. */)
6825 (prop, frame)
6826 Lisp_Object prop, frame;
6828 #if 0 /* TODO : port window properties to W32 */
6830 struct frame *f = check_x_frame (frame);
6831 Atom prop_atom;
6833 CHECK_STRING (prop);
6834 BLOCK_INPUT;
6835 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
6836 XDeleteProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f), prop_atom);
6838 /* Make sure the property is removed when we return. */
6839 XFlush (FRAME_W32_DISPLAY (f));
6840 UNBLOCK_INPUT;
6841 #endif /* TODO */
6843 return prop;
6847 DEFUN ("x-window-property", Fx_window_property, Sx_window_property,
6848 1, 2, 0,
6849 doc: /* Value is the value of window property PROP on FRAME.
6850 If FRAME is nil or omitted, use the selected frame. Value is nil
6851 if FRAME hasn't a property with name PROP or if PROP has no string
6852 value. */)
6853 (prop, frame)
6854 Lisp_Object prop, frame;
6856 #if 0 /* TODO : port window properties to W32 */
6858 struct frame *f = check_x_frame (frame);
6859 Atom prop_atom;
6860 int rc;
6861 Lisp_Object prop_value = Qnil;
6862 char *tmp_data = NULL;
6863 Atom actual_type;
6864 int actual_format;
6865 unsigned long actual_size, bytes_remaining;
6867 CHECK_STRING (prop);
6868 BLOCK_INPUT;
6869 prop_atom = XInternAtom (FRAME_W32_DISPLAY (f), SDATA (prop), False);
6870 rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
6871 prop_atom, 0, 0, False, XA_STRING,
6872 &actual_type, &actual_format, &actual_size,
6873 &bytes_remaining, (unsigned char **) &tmp_data);
6874 if (rc == Success)
6876 int size = bytes_remaining;
6878 XFree (tmp_data);
6879 tmp_data = NULL;
6881 rc = XGetWindowProperty (FRAME_W32_DISPLAY (f), FRAME_W32_WINDOW (f),
6882 prop_atom, 0, bytes_remaining,
6883 False, XA_STRING,
6884 &actual_type, &actual_format,
6885 &actual_size, &bytes_remaining,
6886 (unsigned char **) &tmp_data);
6887 if (rc == Success)
6888 prop_value = make_string (tmp_data, size);
6890 XFree (tmp_data);
6893 UNBLOCK_INPUT;
6895 return prop_value;
6897 #endif /* TODO */
6898 return Qnil;
6903 /***********************************************************************
6904 Busy cursor
6905 ***********************************************************************/
6907 /* If non-null, an asynchronous timer that, when it expires, displays
6908 an hourglass cursor on all frames. */
6910 static struct atimer *hourglass_atimer;
6912 /* Non-zero means an hourglass cursor is currently shown. */
6914 static int hourglass_shown_p;
6916 /* Number of seconds to wait before displaying an hourglass cursor. */
6918 static Lisp_Object Vhourglass_delay;
6920 /* Default number of seconds to wait before displaying an hourglass
6921 cursor. */
6923 #define DEFAULT_HOURGLASS_DELAY 1
6925 /* Function prototypes. */
6927 static void show_hourglass P_ ((struct atimer *));
6928 static void hide_hourglass P_ ((void));
6931 /* Cancel a currently active hourglass timer, and start a new one. */
6933 void
6934 start_hourglass ()
6936 #if 0 /* TODO: cursor shape changes. */
6937 EMACS_TIME delay;
6938 int secs, usecs = 0;
6940 cancel_hourglass ();
6942 if (INTEGERP (Vhourglass_delay)
6943 && XINT (Vhourglass_delay) > 0)
6944 secs = XFASTINT (Vhourglass_delay);
6945 else if (FLOATP (Vhourglass_delay)
6946 && XFLOAT_DATA (Vhourglass_delay) > 0)
6948 Lisp_Object tem;
6949 tem = Ftruncate (Vhourglass_delay, Qnil);
6950 secs = XFASTINT (tem);
6951 usecs = (XFLOAT_DATA (Vhourglass_delay) - secs) * 1000000;
6953 else
6954 secs = DEFAULT_HOURGLASS_DELAY;
6956 EMACS_SET_SECS_USECS (delay, secs, usecs);
6957 hourglass_atimer = start_atimer (ATIMER_RELATIVE, delay,
6958 show_hourglass, NULL);
6959 #endif
6963 /* Cancel the hourglass cursor timer if active, hide an hourglass
6964 cursor if shown. */
6966 void
6967 cancel_hourglass ()
6969 if (hourglass_atimer)
6971 cancel_atimer (hourglass_atimer);
6972 hourglass_atimer = NULL;
6975 if (hourglass_shown_p)
6976 hide_hourglass ();
6980 /* Timer function of hourglass_atimer. TIMER is equal to
6981 hourglass_atimer.
6983 Display an hourglass cursor on all frames by mapping the frames'
6984 hourglass_window. Set the hourglass_p flag in the frames'
6985 output_data.x structure to indicate that an hourglass cursor is
6986 shown on the frames. */
6988 static void
6989 show_hourglass (timer)
6990 struct atimer *timer;
6992 #if 0 /* TODO: cursor shape changes. */
6993 /* The timer implementation will cancel this timer automatically
6994 after this function has run. Set hourglass_atimer to null
6995 so that we know the timer doesn't have to be canceled. */
6996 hourglass_atimer = NULL;
6998 if (!hourglass_shown_p)
7000 Lisp_Object rest, frame;
7002 BLOCK_INPUT;
7004 FOR_EACH_FRAME (rest, frame)
7005 if (FRAME_W32_P (XFRAME (frame)))
7007 struct frame *f = XFRAME (frame);
7009 f->output_data.w32->hourglass_p = 1;
7011 if (!f->output_data.w32->hourglass_window)
7013 unsigned long mask = CWCursor;
7014 XSetWindowAttributes attrs;
7016 attrs.cursor = f->output_data.w32->hourglass_cursor;
7018 f->output_data.w32->hourglass_window
7019 = XCreateWindow (FRAME_X_DISPLAY (f),
7020 FRAME_OUTER_WINDOW (f),
7021 0, 0, 32000, 32000, 0, 0,
7022 InputOnly,
7023 CopyFromParent,
7024 mask, &attrs);
7027 XMapRaised (FRAME_X_DISPLAY (f),
7028 f->output_data.w32->hourglass_window);
7029 XFlush (FRAME_X_DISPLAY (f));
7032 hourglass_shown_p = 1;
7033 UNBLOCK_INPUT;
7035 #endif
7039 /* Hide the hourglass cursor on all frames, if it is currently shown. */
7041 static void
7042 hide_hourglass ()
7044 #if 0 /* TODO: cursor shape changes. */
7045 if (hourglass_shown_p)
7047 Lisp_Object rest, frame;
7049 BLOCK_INPUT;
7050 FOR_EACH_FRAME (rest, frame)
7052 struct frame *f = XFRAME (frame);
7054 if (FRAME_W32_P (f)
7055 /* Watch out for newly created frames. */
7056 && f->output_data.x->hourglass_window)
7058 XUnmapWindow (FRAME_X_DISPLAY (f),
7059 f->output_data.x->hourglass_window);
7060 /* Sync here because XTread_socket looks at the
7061 hourglass_p flag that is reset to zero below. */
7062 XSync (FRAME_X_DISPLAY (f), False);
7063 f->output_data.x->hourglass_p = 0;
7067 hourglass_shown_p = 0;
7068 UNBLOCK_INPUT;
7070 #endif
7075 /***********************************************************************
7076 Tool tips
7077 ***********************************************************************/
7079 static Lisp_Object x_create_tip_frame P_ ((struct w32_display_info *,
7080 Lisp_Object, Lisp_Object));
7081 static void compute_tip_xy P_ ((struct frame *, Lisp_Object, Lisp_Object,
7082 Lisp_Object, int, int, int *, int *));
7084 /* The frame of a currently visible tooltip. */
7086 Lisp_Object tip_frame;
7088 /* If non-nil, a timer started that hides the last tooltip when it
7089 fires. */
7091 Lisp_Object tip_timer;
7092 Window tip_window;
7094 /* If non-nil, a vector of 3 elements containing the last args
7095 with which x-show-tip was called. See there. */
7097 Lisp_Object last_show_tip_args;
7099 /* Maximum size for tooltips; a cons (COLUMNS . ROWS). */
7101 Lisp_Object Vx_max_tooltip_size;
7104 static Lisp_Object
7105 unwind_create_tip_frame (frame)
7106 Lisp_Object frame;
7108 Lisp_Object deleted;
7110 deleted = unwind_create_frame (frame);
7111 if (EQ (deleted, Qt))
7113 tip_window = NULL;
7114 tip_frame = Qnil;
7117 return deleted;
7121 /* Create a frame for a tooltip on the display described by DPYINFO.
7122 PARMS is a list of frame parameters. TEXT is the string to
7123 display in the tip frame. Value is the frame.
7125 Note that functions called here, esp. x_default_parameter can
7126 signal errors, for instance when a specified color name is
7127 undefined. We have to make sure that we're in a consistent state
7128 when this happens. */
7130 static Lisp_Object
7131 x_create_tip_frame (dpyinfo, parms, text)
7132 struct w32_display_info *dpyinfo;
7133 Lisp_Object parms, text;
7135 struct frame *f;
7136 Lisp_Object frame, tem;
7137 Lisp_Object name;
7138 long window_prompting = 0;
7139 int width, height;
7140 int count = SPECPDL_INDEX ();
7141 struct gcpro gcpro1, gcpro2, gcpro3;
7142 struct kboard *kb;
7143 int face_change_count_before = face_change_count;
7144 Lisp_Object buffer;
7145 struct buffer *old_buffer;
7147 check_w32 ();
7149 /* Use this general default value to start with until we know if
7150 this frame has a specified name. */
7151 Vx_resource_name = Vinvocation_name;
7153 #ifdef MULTI_KBOARD
7154 kb = dpyinfo->kboard;
7155 #else
7156 kb = &the_only_kboard;
7157 #endif
7159 /* Get the name of the frame to use for resource lookup. */
7160 name = w32_get_arg (parms, Qname, "name", "Name", RES_TYPE_STRING);
7161 if (!STRINGP (name)
7162 && !EQ (name, Qunbound)
7163 && !NILP (name))
7164 error ("Invalid frame name--not a string or nil");
7165 Vx_resource_name = name;
7167 frame = Qnil;
7168 GCPRO3 (parms, name, frame);
7169 /* Make a frame without minibuffer nor mode-line. */
7170 f = make_frame (0);
7171 f->wants_modeline = 0;
7172 XSETFRAME (frame, f);
7174 buffer = Fget_buffer_create (build_string (" *tip*"));
7175 Fset_window_buffer (FRAME_ROOT_WINDOW (f), buffer, Qnil);
7176 old_buffer = current_buffer;
7177 set_buffer_internal_1 (XBUFFER (buffer));
7178 current_buffer->truncate_lines = Qnil;
7179 specbind (Qinhibit_read_only, Qt);
7180 specbind (Qinhibit_modification_hooks, Qt);
7181 Ferase_buffer ();
7182 Finsert (1, &text);
7183 set_buffer_internal_1 (old_buffer);
7185 FRAME_CAN_HAVE_SCROLL_BARS (f) = 0;
7186 record_unwind_protect (unwind_create_tip_frame, frame);
7188 /* By setting the output method, we're essentially saying that
7189 the frame is live, as per FRAME_LIVE_P. If we get a signal
7190 from this point on, x_destroy_window might screw up reference
7191 counts etc. */
7192 f->output_method = output_w32;
7193 f->output_data.w32 =
7194 (struct w32_output *) xmalloc (sizeof (struct w32_output));
7195 bzero (f->output_data.w32, sizeof (struct w32_output));
7197 FRAME_FONTSET (f) = -1;
7198 f->icon_name = Qnil;
7200 #if 0 /* GLYPH_DEBUG TODO: image support. */
7201 image_cache_refcount = FRAME_X_IMAGE_CACHE (f)->refcount;
7202 dpyinfo_refcount = dpyinfo->reference_count;
7203 #endif /* GLYPH_DEBUG */
7204 #ifdef MULTI_KBOARD
7205 FRAME_KBOARD (f) = kb;
7206 #endif
7207 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
7208 f->output_data.w32->explicit_parent = 0;
7210 /* Set the name; the functions to which we pass f expect the name to
7211 be set. */
7212 if (EQ (name, Qunbound) || NILP (name))
7214 f->name = build_string (dpyinfo->w32_id_name);
7215 f->explicit_name = 0;
7217 else
7219 f->name = name;
7220 f->explicit_name = 1;
7221 /* use the frame's title when getting resources for this frame. */
7222 specbind (Qx_resource_name, name);
7225 /* Extract the window parameters from the supplied values
7226 that are needed to determine window geometry. */
7228 Lisp_Object font;
7230 font = w32_get_arg (parms, Qfont, "font", "Font", RES_TYPE_STRING);
7232 BLOCK_INPUT;
7233 /* First, try whatever font the caller has specified. */
7234 if (STRINGP (font))
7236 tem = Fquery_fontset (font, Qnil);
7237 if (STRINGP (tem))
7238 font = x_new_fontset (f, SDATA (tem));
7239 else
7240 font = x_new_font (f, SDATA (font));
7243 /* Try out a font which we hope has bold and italic variations. */
7244 if (!STRINGP (font))
7245 font = x_new_font (f, "-*-Courier New-normal-r-*-*-*-100-*-*-c-*-iso8859-1");
7246 if (! STRINGP (font))
7247 font = x_new_font (f, "-*-Courier-normal-r-*-*-13-*-*-*-c-*-iso8859-1");
7248 /* If those didn't work, look for something which will at least work. */
7249 if (! STRINGP (font))
7250 font = x_new_font (f, "-*-Fixedsys-normal-r-*-*-12-*-*-*-c-*-iso8859-1");
7251 UNBLOCK_INPUT;
7252 if (! STRINGP (font))
7253 font = build_string ("Fixedsys");
7255 x_default_parameter (f, parms, Qfont, font,
7256 "font", "Font", RES_TYPE_STRING);
7259 x_default_parameter (f, parms, Qborder_width, make_number (2),
7260 "borderWidth", "BorderWidth", RES_TYPE_NUMBER);
7261 /* This defaults to 2 in order to match xterm. We recognize either
7262 internalBorderWidth or internalBorder (which is what xterm calls
7263 it). */
7264 if (NILP (Fassq (Qinternal_border_width, parms)))
7266 Lisp_Object value;
7268 value = w32_get_arg (parms, Qinternal_border_width,
7269 "internalBorder", "internalBorder", RES_TYPE_NUMBER);
7270 if (! EQ (value, Qunbound))
7271 parms = Fcons (Fcons (Qinternal_border_width, value),
7272 parms);
7274 x_default_parameter (f, parms, Qinternal_border_width, make_number (1),
7275 "internalBorderWidth", "internalBorderWidth",
7276 RES_TYPE_NUMBER);
7278 /* Also do the stuff which must be set before the window exists. */
7279 x_default_parameter (f, parms, Qforeground_color, build_string ("black"),
7280 "foreground", "Foreground", RES_TYPE_STRING);
7281 x_default_parameter (f, parms, Qbackground_color, build_string ("white"),
7282 "background", "Background", RES_TYPE_STRING);
7283 x_default_parameter (f, parms, Qmouse_color, build_string ("black"),
7284 "pointerColor", "Foreground", RES_TYPE_STRING);
7285 x_default_parameter (f, parms, Qcursor_color, build_string ("black"),
7286 "cursorColor", "Foreground", RES_TYPE_STRING);
7287 x_default_parameter (f, parms, Qborder_color, build_string ("black"),
7288 "borderColor", "BorderColor", RES_TYPE_STRING);
7290 /* Init faces before x_default_parameter is called for scroll-bar
7291 parameters because that function calls x_set_scroll_bar_width,
7292 which calls change_frame_size, which calls Fset_window_buffer,
7293 which runs hooks, which call Fvertical_motion. At the end, we
7294 end up in init_iterator with a null face cache, which should not
7295 happen. */
7296 init_frame_faces (f);
7298 f->output_data.w32->dwStyle = WS_BORDER | WS_POPUP | WS_DISABLED;
7299 f->output_data.w32->parent_desc = FRAME_W32_DISPLAY_INFO (f)->root_window;
7301 window_prompting = x_figure_window_size (f, parms, 0);
7303 /* No fringes on tip frame. */
7304 f->fringe_cols = 0;
7305 f->left_fringe_width = 0;
7306 f->right_fringe_width = 0;
7308 BLOCK_INPUT;
7309 my_create_tip_window (f);
7310 UNBLOCK_INPUT;
7312 x_make_gc (f);
7314 x_default_parameter (f, parms, Qauto_raise, Qnil,
7315 "autoRaise", "AutoRaiseLower", RES_TYPE_BOOLEAN);
7316 x_default_parameter (f, parms, Qauto_lower, Qnil,
7317 "autoLower", "AutoRaiseLower", RES_TYPE_BOOLEAN);
7318 x_default_parameter (f, parms, Qcursor_type, Qbox,
7319 "cursorType", "CursorType", RES_TYPE_SYMBOL);
7321 /* Dimensions, especially FRAME_LINES (f), must be done via change_frame_size.
7322 Change will not be effected unless different from the current
7323 FRAME_LINES (f). */
7324 width = FRAME_COLS (f);
7325 height = FRAME_LINES (f);
7326 FRAME_LINES (f) = 0;
7327 SET_FRAME_COLS (f, 0);
7328 change_frame_size (f, height, width, 1, 0, 0);
7330 /* Add `tooltip' frame parameter's default value. */
7331 if (NILP (Fframe_parameter (frame, intern ("tooltip"))))
7332 Fmodify_frame_parameters (frame, Fcons (Fcons (intern ("tooltip"), Qt),
7333 Qnil));
7335 /* Set up faces after all frame parameters are known. This call
7336 also merges in face attributes specified for new frames.
7338 Frame parameters may be changed if .Xdefaults contains
7339 specifications for the default font. For example, if there is an
7340 `Emacs.default.attributeBackground: pink', the `background-color'
7341 attribute of the frame get's set, which let's the internal border
7342 of the tooltip frame appear in pink. Prevent this. */
7344 Lisp_Object bg = Fframe_parameter (frame, Qbackground_color);
7346 /* Set tip_frame here, so that */
7347 tip_frame = frame;
7348 call1 (Qface_set_after_frame_default, frame);
7350 if (!EQ (bg, Fframe_parameter (frame, Qbackground_color)))
7351 Fmodify_frame_parameters (frame, Fcons (Fcons (Qbackground_color, bg),
7352 Qnil));
7355 f->no_split = 1;
7357 UNGCPRO;
7359 /* It is now ok to make the frame official even if we get an error
7360 below. And the frame needs to be on Vframe_list or making it
7361 visible won't work. */
7362 Vframe_list = Fcons (frame, Vframe_list);
7364 /* Now that the frame is official, it counts as a reference to
7365 its display. */
7366 FRAME_W32_DISPLAY_INFO (f)->reference_count++;
7368 /* Setting attributes of faces of the tooltip frame from resources
7369 and similar will increment face_change_count, which leads to the
7370 clearing of all current matrices. Since this isn't necessary
7371 here, avoid it by resetting face_change_count to the value it
7372 had before we created the tip frame. */
7373 face_change_count = face_change_count_before;
7375 /* Discard the unwind_protect. */
7376 return unbind_to (count, frame);
7380 /* Compute where to display tip frame F. PARMS is the list of frame
7381 parameters for F. DX and DY are specified offsets from the current
7382 location of the mouse. WIDTH and HEIGHT are the width and height
7383 of the tooltip. Return coordinates relative to the root window of
7384 the display in *ROOT_X, and *ROOT_Y. */
7386 static void
7387 compute_tip_xy (f, parms, dx, dy, width, height, root_x, root_y)
7388 struct frame *f;
7389 Lisp_Object parms, dx, dy;
7390 int width, height;
7391 int *root_x, *root_y;
7393 Lisp_Object left, top;
7395 /* User-specified position? */
7396 left = Fcdr (Fassq (Qleft, parms));
7397 top = Fcdr (Fassq (Qtop, parms));
7399 /* Move the tooltip window where the mouse pointer is. Resize and
7400 show it. */
7401 if (!INTEGERP (left) || !INTEGERP (top))
7403 POINT pt;
7405 BLOCK_INPUT;
7406 GetCursorPos (&pt);
7407 *root_x = pt.x;
7408 *root_y = pt.y;
7409 UNBLOCK_INPUT;
7412 if (INTEGERP (top))
7413 *root_y = XINT (top);
7414 else if (*root_y + XINT (dy) <= 0)
7415 *root_y = 0; /* Can happen for negative dy */
7416 else if (*root_y + XINT (dy) + height <= FRAME_W32_DISPLAY_INFO (f)->height)
7417 /* It fits below the pointer */
7418 *root_y += XINT (dy);
7419 else if (height + XINT (dy) <= *root_y)
7420 /* It fits above the pointer. */
7421 *root_y -= height + XINT (dy);
7422 else
7423 /* Put it on the top. */
7424 *root_y = 0;
7426 if (INTEGERP (left))
7427 *root_x = XINT (left);
7428 else if (*root_x + XINT (dx) <= 0)
7429 *root_x = 0; /* Can happen for negative dx */
7430 else if (*root_x + XINT (dx) + width <= FRAME_W32_DISPLAY_INFO (f)->width)
7431 /* It fits to the right of the pointer. */
7432 *root_x += XINT (dx);
7433 else if (width + XINT (dx) <= *root_x)
7434 /* It fits to the left of the pointer. */
7435 *root_x -= width + XINT (dx);
7436 else
7437 /* Put it left justified on the screen -- it ought to fit that way. */
7438 *root_x = 0;
7442 DEFUN ("x-show-tip", Fx_show_tip, Sx_show_tip, 1, 6, 0,
7443 doc: /* Show STRING in a \"tooltip\" window on frame FRAME.
7444 A tooltip window is a small window displaying a string.
7446 FRAME nil or omitted means use the selected frame.
7448 PARMS is an optional list of frame parameters which can be
7449 used to change the tooltip's appearance.
7451 Automatically hide the tooltip after TIMEOUT seconds. TIMEOUT nil
7452 means use the default timeout of 5 seconds.
7454 If the list of frame parameters PARMS contains a `left' parameter,
7455 the tooltip is displayed at that x-position. Otherwise it is
7456 displayed at the mouse position, with offset DX added (default is 5 if
7457 DX isn't specified). Likewise for the y-position; if a `top' frame
7458 parameter is specified, it determines the y-position of the tooltip
7459 window, otherwise it is displayed at the mouse position, with offset
7460 DY added (default is -10).
7462 A tooltip's maximum size is specified by `x-max-tooltip-size'.
7463 Text larger than the specified size is clipped. */)
7464 (string, frame, parms, timeout, dx, dy)
7465 Lisp_Object string, frame, parms, timeout, dx, dy;
7467 struct frame *f;
7468 struct window *w;
7469 int root_x, root_y;
7470 struct buffer *old_buffer;
7471 struct text_pos pos;
7472 int i, width, height;
7473 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
7474 int old_windows_or_buffers_changed = windows_or_buffers_changed;
7475 int count = SPECPDL_INDEX ();
7477 specbind (Qinhibit_redisplay, Qt);
7479 GCPRO4 (string, parms, frame, timeout);
7481 CHECK_STRING (string);
7482 f = check_x_frame (frame);
7483 if (NILP (timeout))
7484 timeout = make_number (5);
7485 else
7486 CHECK_NATNUM (timeout);
7488 if (NILP (dx))
7489 dx = make_number (5);
7490 else
7491 CHECK_NUMBER (dx);
7493 if (NILP (dy))
7494 dy = make_number (-10);
7495 else
7496 CHECK_NUMBER (dy);
7498 if (NILP (last_show_tip_args))
7499 last_show_tip_args = Fmake_vector (make_number (3), Qnil);
7501 if (!NILP (tip_frame))
7503 Lisp_Object last_string = AREF (last_show_tip_args, 0);
7504 Lisp_Object last_frame = AREF (last_show_tip_args, 1);
7505 Lisp_Object last_parms = AREF (last_show_tip_args, 2);
7507 if (EQ (frame, last_frame)
7508 && !NILP (Fequal (last_string, string))
7509 && !NILP (Fequal (last_parms, parms)))
7511 struct frame *f = XFRAME (tip_frame);
7513 /* Only DX and DY have changed. */
7514 if (!NILP (tip_timer))
7516 Lisp_Object timer = tip_timer;
7517 tip_timer = Qnil;
7518 call1 (Qcancel_timer, timer);
7521 BLOCK_INPUT;
7522 compute_tip_xy (f, parms, dx, dy, FRAME_PIXEL_WIDTH (f),
7523 FRAME_PIXEL_HEIGHT (f), &root_x, &root_y);
7525 /* Put tooltip in topmost group and in position. */
7526 SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOPMOST,
7527 root_x, root_y, 0, 0,
7528 SWP_NOSIZE | SWP_NOACTIVATE);
7530 /* Ensure tooltip is on top of other topmost windows (eg menus). */
7531 SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOP,
7532 0, 0, 0, 0,
7533 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
7535 UNBLOCK_INPUT;
7536 goto start_timer;
7540 /* Hide a previous tip, if any. */
7541 Fx_hide_tip ();
7543 ASET (last_show_tip_args, 0, string);
7544 ASET (last_show_tip_args, 1, frame);
7545 ASET (last_show_tip_args, 2, parms);
7547 /* Add default values to frame parameters. */
7548 if (NILP (Fassq (Qname, parms)))
7549 parms = Fcons (Fcons (Qname, build_string ("tooltip")), parms);
7550 if (NILP (Fassq (Qinternal_border_width, parms)))
7551 parms = Fcons (Fcons (Qinternal_border_width, make_number (3)), parms);
7552 if (NILP (Fassq (Qborder_width, parms)))
7553 parms = Fcons (Fcons (Qborder_width, make_number (1)), parms);
7554 if (NILP (Fassq (Qborder_color, parms)))
7555 parms = Fcons (Fcons (Qborder_color, build_string ("lightyellow")), parms);
7556 if (NILP (Fassq (Qbackground_color, parms)))
7557 parms = Fcons (Fcons (Qbackground_color, build_string ("lightyellow")),
7558 parms);
7560 /* Block input until the tip has been fully drawn, to avoid crashes
7561 when drawing tips in menus. */
7562 BLOCK_INPUT;
7564 /* Create a frame for the tooltip, and record it in the global
7565 variable tip_frame. */
7566 frame = x_create_tip_frame (FRAME_W32_DISPLAY_INFO (f), parms, string);
7567 f = XFRAME (frame);
7569 /* Set up the frame's root window. */
7570 w = XWINDOW (FRAME_ROOT_WINDOW (f));
7571 w->left_col = w->top_line = make_number (0);
7573 if (CONSP (Vx_max_tooltip_size)
7574 && INTEGERP (XCAR (Vx_max_tooltip_size))
7575 && XINT (XCAR (Vx_max_tooltip_size)) > 0
7576 && INTEGERP (XCDR (Vx_max_tooltip_size))
7577 && XINT (XCDR (Vx_max_tooltip_size)) > 0)
7579 w->total_cols = XCAR (Vx_max_tooltip_size);
7580 w->total_lines = XCDR (Vx_max_tooltip_size);
7582 else
7584 w->total_cols = make_number (80);
7585 w->total_lines = make_number (40);
7588 FRAME_TOTAL_COLS (f) = XINT (w->total_cols);
7589 adjust_glyphs (f);
7590 w->pseudo_window_p = 1;
7592 /* Display the tooltip text in a temporary buffer. */
7593 old_buffer = current_buffer;
7594 set_buffer_internal_1 (XBUFFER (XWINDOW (FRAME_ROOT_WINDOW (f))->buffer));
7595 current_buffer->truncate_lines = Qnil;
7596 clear_glyph_matrix (w->desired_matrix);
7597 clear_glyph_matrix (w->current_matrix);
7598 SET_TEXT_POS (pos, BEGV, BEGV_BYTE);
7599 try_window (FRAME_ROOT_WINDOW (f), pos, 0);
7601 /* Compute width and height of the tooltip. */
7602 width = height = 0;
7603 for (i = 0; i < w->desired_matrix->nrows; ++i)
7605 struct glyph_row *row = &w->desired_matrix->rows[i];
7606 struct glyph *last;
7607 int row_width;
7609 /* Stop at the first empty row at the end. */
7610 if (!row->enabled_p || !row->displays_text_p)
7611 break;
7613 /* Let the row go over the full width of the frame. */
7614 row->full_width_p = 1;
7616 #ifdef TODO /* Investigate why some fonts need more width than is
7617 calculated for some tooltips. */
7618 /* There's a glyph at the end of rows that is use to place
7619 the cursor there. Don't include the width of this glyph. */
7620 if (row->used[TEXT_AREA])
7622 last = &row->glyphs[TEXT_AREA][row->used[TEXT_AREA] - 1];
7623 row_width = row->pixel_width - last->pixel_width;
7625 else
7626 #endif
7627 row_width = row->pixel_width;
7629 /* TODO: find why tips do not draw along baseline as instructed. */
7630 height += row->height;
7631 width = max (width, row_width);
7634 /* Add the frame's internal border to the width and height the X
7635 window should have. */
7636 height += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
7637 width += 2 * FRAME_INTERNAL_BORDER_WIDTH (f);
7639 /* Move the tooltip window where the mouse pointer is. Resize and
7640 show it. */
7641 compute_tip_xy (f, parms, dx, dy, width, height, &root_x, &root_y);
7644 /* Adjust Window size to take border into account. */
7645 RECT rect;
7646 rect.left = rect.top = 0;
7647 rect.right = width;
7648 rect.bottom = height;
7649 AdjustWindowRect (&rect, f->output_data.w32->dwStyle,
7650 FRAME_EXTERNAL_MENU_BAR (f));
7652 /* Position and size tooltip, and put it in the topmost group. */
7653 SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOPMOST,
7654 root_x, root_y, rect.right - rect.left,
7655 rect.bottom - rect.top, SWP_NOACTIVATE);
7657 /* Ensure tooltip is on top of other topmost windows (eg menus). */
7658 SetWindowPos (FRAME_W32_WINDOW (f), HWND_TOP,
7659 0, 0, 0, 0,
7660 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE);
7662 /* Let redisplay know that we have made the frame visible already. */
7663 f->async_visible = 1;
7665 ShowWindow (FRAME_W32_WINDOW (f), SW_SHOWNOACTIVATE);
7668 /* Draw into the window. */
7669 w->must_be_updated_p = 1;
7670 update_single_window (w, 1);
7672 UNBLOCK_INPUT;
7674 /* Restore original current buffer. */
7675 set_buffer_internal_1 (old_buffer);
7676 windows_or_buffers_changed = old_windows_or_buffers_changed;
7678 start_timer:
7679 /* Let the tip disappear after timeout seconds. */
7680 tip_timer = call3 (intern ("run-at-time"), timeout, Qnil,
7681 intern ("x-hide-tip"));
7683 UNGCPRO;
7684 return unbind_to (count, Qnil);
7688 DEFUN ("x-hide-tip", Fx_hide_tip, Sx_hide_tip, 0, 0, 0,
7689 doc: /* Hide the current tooltip window, if there is any.
7690 Value is t if tooltip was open, nil otherwise. */)
7693 int count;
7694 Lisp_Object deleted, frame, timer;
7695 struct gcpro gcpro1, gcpro2;
7697 /* Return quickly if nothing to do. */
7698 if (NILP (tip_timer) && NILP (tip_frame))
7699 return Qnil;
7701 frame = tip_frame;
7702 timer = tip_timer;
7703 GCPRO2 (frame, timer);
7704 tip_frame = tip_timer = deleted = Qnil;
7706 count = SPECPDL_INDEX ();
7707 specbind (Qinhibit_redisplay, Qt);
7708 specbind (Qinhibit_quit, Qt);
7710 if (!NILP (timer))
7711 call1 (Qcancel_timer, timer);
7713 if (FRAMEP (frame))
7715 Fdelete_frame (frame, Qnil);
7716 deleted = Qt;
7719 UNGCPRO;
7720 return unbind_to (count, deleted);
7725 /***********************************************************************
7726 File selection dialog
7727 ***********************************************************************/
7728 extern Lisp_Object Qfile_name_history;
7730 /* Callback for altering the behaviour of the Open File dialog.
7731 Makes the Filename text field contain "Current Directory" and be
7732 read-only when "Directories" is selected in the filter. This
7733 allows us to work around the fact that the standard Open File
7734 dialog does not support directories. */
7735 UINT CALLBACK
7736 file_dialog_callback (hwnd, msg, wParam, lParam)
7737 HWND hwnd;
7738 UINT msg;
7739 WPARAM wParam;
7740 LPARAM lParam;
7742 if (msg == WM_NOTIFY)
7744 OFNOTIFY * notify = (OFNOTIFY *)lParam;
7745 /* Detect when the Filter dropdown is changed. */
7746 if (notify->hdr.code == CDN_TYPECHANGE
7747 || notify->hdr.code == CDN_INITDONE)
7749 HWND dialog = GetParent (hwnd);
7750 HWND edit_control = GetDlgItem (dialog, FILE_NAME_TEXT_FIELD);
7752 /* Directories is in index 2. */
7753 if (notify->lpOFN->nFilterIndex == 2)
7755 CommDlg_OpenSave_SetControlText (dialog, FILE_NAME_TEXT_FIELD,
7756 "Current Directory");
7757 EnableWindow (edit_control, FALSE);
7759 else
7761 /* Don't override default filename on init done. */
7762 if (notify->hdr.code == CDN_TYPECHANGE)
7763 CommDlg_OpenSave_SetControlText (dialog,
7764 FILE_NAME_TEXT_FIELD, "");
7765 EnableWindow (edit_control, TRUE);
7769 return 0;
7772 /* Since we compile with _WIN32_WINNT set to 0x0400 (for NT4 compatibility)
7773 we end up with the old file dialogs. Define a big enough struct for the
7774 new dialog to trick GetOpenFileName into giving us the new dialogs on
7775 Windows 2000 and XP. */
7776 typedef struct
7778 OPENFILENAME real_details;
7779 void * pReserved;
7780 DWORD dwReserved;
7781 DWORD FlagsEx;
7782 } NEWOPENFILENAME;
7785 DEFUN ("x-file-dialog", Fx_file_dialog, Sx_file_dialog, 2, 5, 0,
7786 doc: /* Read file name, prompting with PROMPT in directory DIR.
7787 Use a file selection dialog.
7788 Select DEFAULT-FILENAME in the dialog's file selection box, if
7789 specified. Ensure that file exists if MUSTMATCH is non-nil.
7790 If ONLY-DIR-P is non-nil, the user can only select directories. */)
7791 (prompt, dir, default_filename, mustmatch, only_dir_p)
7792 Lisp_Object prompt, dir, default_filename, mustmatch, only_dir_p;
7794 struct frame *f = SELECTED_FRAME ();
7795 Lisp_Object file = Qnil;
7796 int count = SPECPDL_INDEX ();
7797 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4, gcpro5, gcpro6;
7798 char filename[MAX_PATH + 1];
7799 char init_dir[MAX_PATH + 1];
7800 int default_filter_index = 1; /* 1: All Files, 2: Directories only */
7802 GCPRO6 (prompt, dir, default_filename, mustmatch, only_dir_p, file);
7803 CHECK_STRING (prompt);
7804 CHECK_STRING (dir);
7806 /* Create the dialog with PROMPT as title, using DIR as initial
7807 directory and using "*" as pattern. */
7808 dir = Fexpand_file_name (dir, Qnil);
7809 strncpy (init_dir, SDATA (ENCODE_FILE (dir)), MAX_PATH);
7810 init_dir[MAX_PATH] = '\0';
7811 unixtodos_filename (init_dir);
7813 if (STRINGP (default_filename))
7815 char *file_name_only;
7816 char *full_path_name = SDATA (ENCODE_FILE (default_filename));
7818 unixtodos_filename (full_path_name);
7820 file_name_only = strrchr (full_path_name, '\\');
7821 if (!file_name_only)
7822 file_name_only = full_path_name;
7823 else
7824 file_name_only++;
7826 strncpy (filename, file_name_only, MAX_PATH);
7827 filename[MAX_PATH] = '\0';
7829 else
7830 filename[0] = '\0';
7833 NEWOPENFILENAME new_file_details;
7834 BOOL file_opened = FALSE;
7835 OPENFILENAME * file_details = &new_file_details.real_details;
7837 /* Prevent redisplay. */
7838 specbind (Qinhibit_redisplay, Qt);
7839 BLOCK_INPUT;
7841 bzero (&new_file_details, sizeof (new_file_details));
7842 /* Apparently NT4 crashes if you give it an unexpected size.
7843 I'm not sure about Windows 9x, so play it safe. */
7844 if (w32_major_version > 4 && w32_major_version < 95)
7845 file_details->lStructSize = sizeof (new_file_details);
7846 else
7847 file_details->lStructSize = sizeof (file_details);
7849 file_details->hwndOwner = FRAME_W32_WINDOW (f);
7850 /* Undocumented Bug in Common File Dialog:
7851 If a filter is not specified, shell links are not resolved. */
7852 file_details->lpstrFilter = "All Files (*.*)\0*.*\0Directories\0*|*\0\0";
7853 file_details->lpstrFile = filename;
7854 file_details->nMaxFile = sizeof (filename);
7855 file_details->lpstrInitialDir = init_dir;
7856 file_details->lpstrTitle = SDATA (prompt);
7858 if (! NILP (only_dir_p))
7859 default_filter_index = 2;
7861 file_details->nFilterIndex = default_filter_index;
7863 file_details->Flags = (OFN_HIDEREADONLY | OFN_NOCHANGEDIR
7864 | OFN_EXPLORER | OFN_ENABLEHOOK);
7865 if (!NILP (mustmatch))
7867 /* Require that the path to the parent directory exists. */
7868 file_details->Flags |= OFN_PATHMUSTEXIST;
7869 /* If we are looking for a file, require that it exists. */
7870 if (NILP (only_dir_p))
7871 file_details->Flags |= OFN_FILEMUSTEXIST;
7874 file_details->lpfnHook = (LPOFNHOOKPROC) file_dialog_callback;
7876 file_opened = GetOpenFileName (file_details);
7878 UNBLOCK_INPUT;
7880 if (file_opened)
7882 dostounix_filename (filename);
7884 if (file_details->nFilterIndex == 2)
7886 /* "Directories" selected - strip dummy file name. */
7887 char * last = strrchr (filename, '/');
7888 *last = '\0';
7891 file = DECODE_FILE(build_string (filename));
7893 /* User cancelled the dialog without making a selection. */
7894 else if (!CommDlgExtendedError ())
7895 file = Qnil;
7896 /* An error occurred, fallback on reading from the mini-buffer. */
7897 else
7898 file = Fcompleting_read (prompt, intern ("read-file-name-internal"),
7899 dir, mustmatch, dir, Qfile_name_history,
7900 default_filename, Qnil);
7902 file = unbind_to (count, file);
7905 UNGCPRO;
7907 /* Make "Cancel" equivalent to C-g. */
7908 if (NILP (file))
7909 Fsignal (Qquit, Qnil);
7911 return unbind_to (count, file);
7916 /***********************************************************************
7917 w32 specialized functions
7918 ***********************************************************************/
7920 DEFUN ("w32-select-font", Fw32_select_font, Sw32_select_font, 0, 2, 0,
7921 doc: /* Select a font using the W32 font dialog.
7922 Returns an X font string corresponding to the selection. */)
7923 (frame, include_proportional)
7924 Lisp_Object frame, include_proportional;
7926 FRAME_PTR f = check_x_frame (frame);
7927 CHOOSEFONT cf;
7928 LOGFONT lf;
7929 TEXTMETRIC tm;
7930 HDC hdc;
7931 HANDLE oldobj;
7932 char buf[100];
7934 bzero (&cf, sizeof (cf));
7935 bzero (&lf, sizeof (lf));
7937 cf.lStructSize = sizeof (cf);
7938 cf.hwndOwner = FRAME_W32_WINDOW (f);
7939 cf.Flags = CF_FORCEFONTEXIST | CF_SCREENFONTS | CF_NOVERTFONTS;
7941 /* Unless include_proportional is non-nil, limit the selection to
7942 monospaced fonts. */
7943 if (NILP (include_proportional))
7944 cf.Flags |= CF_FIXEDPITCHONLY;
7946 cf.lpLogFont = &lf;
7948 /* Initialize as much of the font details as we can from the current
7949 default font. */
7950 hdc = GetDC (FRAME_W32_WINDOW (f));
7951 oldobj = SelectObject (hdc, FRAME_FONT (f)->hfont);
7952 GetTextFace (hdc, LF_FACESIZE, lf.lfFaceName);
7953 if (GetTextMetrics (hdc, &tm))
7955 lf.lfHeight = tm.tmInternalLeading - tm.tmHeight;
7956 lf.lfWeight = tm.tmWeight;
7957 lf.lfItalic = tm.tmItalic;
7958 lf.lfUnderline = tm.tmUnderlined;
7959 lf.lfStrikeOut = tm.tmStruckOut;
7960 lf.lfCharSet = tm.tmCharSet;
7961 cf.Flags |= CF_INITTOLOGFONTSTRUCT;
7963 SelectObject (hdc, oldobj);
7964 ReleaseDC (FRAME_W32_WINDOW (f), hdc);
7966 if (!ChooseFont (&cf) || !w32_to_x_font (&lf, buf, 100, NULL))
7967 return Qnil;
7969 return build_string (buf);
7972 DEFUN ("w32-send-sys-command", Fw32_send_sys_command,
7973 Sw32_send_sys_command, 1, 2, 0,
7974 doc: /* Send frame a Windows WM_SYSCOMMAND message of type COMMAND.
7975 Some useful values for COMMAND are #xf030 to maximize frame (#xf020
7976 to minimize), #xf120 to restore frame to original size, and #xf100
7977 to activate the menubar for keyboard access. #xf140 activates the
7978 screen saver if defined.
7980 If optional parameter FRAME is not specified, use selected frame. */)
7981 (command, frame)
7982 Lisp_Object command, frame;
7984 FRAME_PTR f = check_x_frame (frame);
7986 CHECK_NUMBER (command);
7988 PostMessage (FRAME_W32_WINDOW (f), WM_SYSCOMMAND, XINT (command), 0);
7990 return Qnil;
7993 DEFUN ("w32-shell-execute", Fw32_shell_execute, Sw32_shell_execute, 2, 4, 0,
7994 doc: /* Get Windows to perform OPERATION on DOCUMENT.
7995 This is a wrapper around the ShellExecute system function, which
7996 invokes the application registered to handle OPERATION for DOCUMENT.
7997 OPERATION is typically \"open\", \"print\" or \"explore\" (but can be
7998 nil for the default action), and DOCUMENT is typically the name of a
7999 document file or URL, but can also be a program executable to run or
8000 a directory to open in the Windows Explorer.
8002 If DOCUMENT is a program executable, PARAMETERS can be a string
8003 containing command line parameters, but otherwise should be nil.
8005 SHOW-FLAG can be used to control whether the invoked application is hidden
8006 or minimized. If SHOW-FLAG is nil, the application is displayed normally,
8007 otherwise it is an integer representing a ShowWindow flag:
8009 0 - start hidden
8010 1 - start normally
8011 3 - start maximized
8012 6 - start minimized */)
8013 (operation, document, parameters, show_flag)
8014 Lisp_Object operation, document, parameters, show_flag;
8016 Lisp_Object current_dir;
8018 CHECK_STRING (document);
8020 /* Encode filename and current directory. */
8021 current_dir = ENCODE_FILE (current_buffer->directory);
8022 document = ENCODE_FILE (document);
8023 if ((int) ShellExecute (NULL,
8024 (STRINGP (operation) ?
8025 SDATA (operation) : NULL),
8026 SDATA (document),
8027 (STRINGP (parameters) ?
8028 SDATA (parameters) : NULL),
8029 SDATA (current_dir),
8030 (INTEGERP (show_flag) ?
8031 XINT (show_flag) : SW_SHOWDEFAULT))
8032 > 32)
8033 return Qt;
8034 error ("ShellExecute failed: %s", w32_strerror (0));
8037 /* Lookup virtual keycode from string representing the name of a
8038 non-ascii keystroke into the corresponding virtual key, using
8039 lispy_function_keys. */
8040 static int
8041 lookup_vk_code (char *key)
8043 int i;
8045 for (i = 0; i < 256; i++)
8046 if (lispy_function_keys[i] != 0
8047 && strcmp (lispy_function_keys[i], key) == 0)
8048 return i;
8050 return -1;
8053 /* Convert a one-element vector style key sequence to a hot key
8054 definition. */
8055 static Lisp_Object
8056 w32_parse_hot_key (key)
8057 Lisp_Object key;
8059 /* Copied from Fdefine_key and store_in_keymap. */
8060 register Lisp_Object c;
8061 int vk_code;
8062 int lisp_modifiers;
8063 int w32_modifiers;
8064 struct gcpro gcpro1;
8066 CHECK_VECTOR (key);
8068 if (XFASTINT (Flength (key)) != 1)
8069 return Qnil;
8071 GCPRO1 (key);
8073 c = Faref (key, make_number (0));
8075 if (CONSP (c) && lucid_event_type_list_p (c))
8076 c = Fevent_convert_list (c);
8078 UNGCPRO;
8080 if (! INTEGERP (c) && ! SYMBOLP (c))
8081 error ("Key definition is invalid");
8083 /* Work out the base key and the modifiers. */
8084 if (SYMBOLP (c))
8086 c = parse_modifiers (c);
8087 lisp_modifiers = XINT (Fcar (Fcdr (c)));
8088 c = Fcar (c);
8089 if (!SYMBOLP (c))
8090 abort ();
8091 vk_code = lookup_vk_code (SDATA (SYMBOL_NAME (c)));
8093 else if (INTEGERP (c))
8095 lisp_modifiers = XINT (c) & ~CHARACTERBITS;
8096 /* Many ascii characters are their own virtual key code. */
8097 vk_code = XINT (c) & CHARACTERBITS;
8100 if (vk_code < 0 || vk_code > 255)
8101 return Qnil;
8103 if ((lisp_modifiers & meta_modifier) != 0
8104 && !NILP (Vw32_alt_is_meta))
8105 lisp_modifiers |= alt_modifier;
8107 /* Supply defs missing from mingw32. */
8108 #ifndef MOD_ALT
8109 #define MOD_ALT 0x0001
8110 #define MOD_CONTROL 0x0002
8111 #define MOD_SHIFT 0x0004
8112 #define MOD_WIN 0x0008
8113 #endif
8115 /* Convert lisp modifiers to Windows hot-key form. */
8116 w32_modifiers = (lisp_modifiers & hyper_modifier) ? MOD_WIN : 0;
8117 w32_modifiers |= (lisp_modifiers & alt_modifier) ? MOD_ALT : 0;
8118 w32_modifiers |= (lisp_modifiers & ctrl_modifier) ? MOD_CONTROL : 0;
8119 w32_modifiers |= (lisp_modifiers & shift_modifier) ? MOD_SHIFT : 0;
8121 return HOTKEY (vk_code, w32_modifiers);
8124 DEFUN ("w32-register-hot-key", Fw32_register_hot_key,
8125 Sw32_register_hot_key, 1, 1, 0,
8126 doc: /* Register KEY as a hot-key combination.
8127 Certain key combinations like Alt-Tab are reserved for system use on
8128 Windows, and therefore are normally intercepted by the system. However,
8129 most of these key combinations can be received by registering them as
8130 hot-keys, overriding their special meaning.
8132 KEY must be a one element key definition in vector form that would be
8133 acceptable to `define-key' (e.g. [A-tab] for Alt-Tab). The meta
8134 modifier is interpreted as Alt if `w32-alt-is-meta' is t, and hyper
8135 is always interpreted as the Windows modifier keys.
8137 The return value is the hotkey-id if registered, otherwise nil. */)
8138 (key)
8139 Lisp_Object key;
8141 key = w32_parse_hot_key (key);
8143 if (NILP (Fmemq (key, w32_grabbed_keys)))
8145 /* Reuse an empty slot if possible. */
8146 Lisp_Object item = Fmemq (Qnil, w32_grabbed_keys);
8148 /* Safe to add new key to list, even if we have focus. */
8149 if (NILP (item))
8150 w32_grabbed_keys = Fcons (key, w32_grabbed_keys);
8151 else
8152 XSETCAR (item, key);
8154 /* Notify input thread about new hot-key definition, so that it
8155 takes effect without needing to switch focus. */
8156 #ifdef USE_LISP_UNION_TYPE
8157 PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY,
8158 (WPARAM) key.i, 0);
8159 #else
8160 PostThreadMessage (dwWindowsThreadId, WM_EMACS_REGISTER_HOT_KEY,
8161 (WPARAM) key, 0);
8162 #endif
8165 return key;
8168 DEFUN ("w32-unregister-hot-key", Fw32_unregister_hot_key,
8169 Sw32_unregister_hot_key, 1, 1, 0,
8170 doc: /* Unregister KEY as a hot-key combination. */)
8171 (key)
8172 Lisp_Object key;
8174 Lisp_Object item;
8176 if (!INTEGERP (key))
8177 key = w32_parse_hot_key (key);
8179 item = Fmemq (key, w32_grabbed_keys);
8181 if (!NILP (item))
8183 /* Notify input thread about hot-key definition being removed, so
8184 that it takes effect without needing focus switch. */
8185 #ifdef USE_LISP_UNION_TYPE
8186 if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY,
8187 (WPARAM) XINT (XCAR (item)), (LPARAM) item.i))
8188 #else
8189 if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_UNREGISTER_HOT_KEY,
8190 (WPARAM) XINT (XCAR (item)), (LPARAM) item))
8192 #endif
8194 MSG msg;
8195 GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
8197 return Qt;
8199 return Qnil;
8202 DEFUN ("w32-registered-hot-keys", Fw32_registered_hot_keys,
8203 Sw32_registered_hot_keys, 0, 0, 0,
8204 doc: /* Return list of registered hot-key IDs. */)
8207 return Fcopy_sequence (w32_grabbed_keys);
8210 DEFUN ("w32-reconstruct-hot-key", Fw32_reconstruct_hot_key,
8211 Sw32_reconstruct_hot_key, 1, 1, 0,
8212 doc: /* Convert hot-key ID to a lisp key combination.
8213 usage: (w32-reconstruct-hot-key ID) */)
8214 (hotkeyid)
8215 Lisp_Object hotkeyid;
8217 int vk_code, w32_modifiers;
8218 Lisp_Object key;
8220 CHECK_NUMBER (hotkeyid);
8222 vk_code = HOTKEY_VK_CODE (hotkeyid);
8223 w32_modifiers = HOTKEY_MODIFIERS (hotkeyid);
8225 if (lispy_function_keys[vk_code])
8226 key = intern (lispy_function_keys[vk_code]);
8227 else
8228 key = make_number (vk_code);
8230 key = Fcons (key, Qnil);
8231 if (w32_modifiers & MOD_SHIFT)
8232 key = Fcons (Qshift, key);
8233 if (w32_modifiers & MOD_CONTROL)
8234 key = Fcons (Qctrl, key);
8235 if (w32_modifiers & MOD_ALT)
8236 key = Fcons (NILP (Vw32_alt_is_meta) ? Qalt : Qmeta, key);
8237 if (w32_modifiers & MOD_WIN)
8238 key = Fcons (Qhyper, key);
8240 return key;
8243 DEFUN ("w32-toggle-lock-key", Fw32_toggle_lock_key,
8244 Sw32_toggle_lock_key, 1, 2, 0,
8245 doc: /* Toggle the state of the lock key KEY.
8246 KEY can be `capslock', `kp-numlock', or `scroll'.
8247 If the optional parameter NEW-STATE is a number, then the state of KEY
8248 is set to off if the low bit of NEW-STATE is zero, otherwise on. */)
8249 (key, new_state)
8250 Lisp_Object key, new_state;
8252 int vk_code;
8254 if (EQ (key, intern ("capslock")))
8255 vk_code = VK_CAPITAL;
8256 else if (EQ (key, intern ("kp-numlock")))
8257 vk_code = VK_NUMLOCK;
8258 else if (EQ (key, intern ("scroll")))
8259 vk_code = VK_SCROLL;
8260 else
8261 return Qnil;
8263 if (!dwWindowsThreadId)
8264 return make_number (w32_console_toggle_lock_key (vk_code, new_state));
8266 #ifdef USE_LISP_UNION_TYPE
8267 if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY,
8268 (WPARAM) vk_code, (LPARAM) new_state.i))
8269 #else
8270 if (PostThreadMessage (dwWindowsThreadId, WM_EMACS_TOGGLE_LOCK_KEY,
8271 (WPARAM) vk_code, (LPARAM) new_state))
8272 #endif
8274 MSG msg;
8275 GetMessage (&msg, NULL, WM_EMACS_DONE, WM_EMACS_DONE);
8276 return make_number (msg.wParam);
8278 return Qnil;
8281 DEFUN ("file-system-info", Ffile_system_info, Sfile_system_info, 1, 1, 0,
8282 doc: /* Return storage information about the file system FILENAME is on.
8283 Value is a list of floats (TOTAL FREE AVAIL), where TOTAL is the total
8284 storage of the file system, FREE is the free storage, and AVAIL is the
8285 storage available to a non-superuser. All 3 numbers are in bytes.
8286 If the underlying system call fails, value is nil. */)
8287 (filename)
8288 Lisp_Object filename;
8290 Lisp_Object encoded, value;
8292 CHECK_STRING (filename);
8293 filename = Fexpand_file_name (filename, Qnil);
8294 encoded = ENCODE_FILE (filename);
8296 value = Qnil;
8298 /* Determining the required information on Windows turns out, sadly,
8299 to be more involved than one would hope. The original Win32 api
8300 call for this will return bogus information on some systems, but we
8301 must dynamically probe for the replacement api, since that was
8302 added rather late on. */
8304 HMODULE hKernel = GetModuleHandle ("kernel32");
8305 BOOL (*pfn_GetDiskFreeSpaceEx)
8306 (char *, PULARGE_INTEGER, PULARGE_INTEGER, PULARGE_INTEGER)
8307 = (void *) GetProcAddress (hKernel, "GetDiskFreeSpaceEx");
8309 /* On Windows, we may need to specify the root directory of the
8310 volume holding FILENAME. */
8311 char rootname[MAX_PATH];
8312 char *name = SDATA (encoded);
8314 /* find the root name of the volume if given */
8315 if (isalpha (name[0]) && name[1] == ':')
8317 rootname[0] = name[0];
8318 rootname[1] = name[1];
8319 rootname[2] = '\\';
8320 rootname[3] = 0;
8322 else if (IS_DIRECTORY_SEP (name[0]) && IS_DIRECTORY_SEP (name[1]))
8324 char *str = rootname;
8325 int slashes = 4;
8328 if (IS_DIRECTORY_SEP (*name) && --slashes == 0)
8329 break;
8330 *str++ = *name++;
8332 while ( *name );
8334 *str++ = '\\';
8335 *str = 0;
8338 if (pfn_GetDiskFreeSpaceEx)
8340 /* Unsigned large integers cannot be cast to double, so
8341 use signed ones instead. */
8342 LARGE_INTEGER availbytes;
8343 LARGE_INTEGER freebytes;
8344 LARGE_INTEGER totalbytes;
8346 if (pfn_GetDiskFreeSpaceEx(rootname,
8347 (ULARGE_INTEGER *)&availbytes,
8348 (ULARGE_INTEGER *)&totalbytes,
8349 (ULARGE_INTEGER *)&freebytes))
8350 value = list3 (make_float ((double) totalbytes.QuadPart),
8351 make_float ((double) freebytes.QuadPart),
8352 make_float ((double) availbytes.QuadPart));
8354 else
8356 DWORD sectors_per_cluster;
8357 DWORD bytes_per_sector;
8358 DWORD free_clusters;
8359 DWORD total_clusters;
8361 if (GetDiskFreeSpace(rootname,
8362 &sectors_per_cluster,
8363 &bytes_per_sector,
8364 &free_clusters,
8365 &total_clusters))
8366 value = list3 (make_float ((double) total_clusters
8367 * sectors_per_cluster * bytes_per_sector),
8368 make_float ((double) free_clusters
8369 * sectors_per_cluster * bytes_per_sector),
8370 make_float ((double) free_clusters
8371 * sectors_per_cluster * bytes_per_sector));
8375 return value;
8378 DEFUN ("default-printer-name", Fdefault_printer_name, Sdefault_printer_name,
8379 0, 0, 0, doc: /* Return the name of Windows default printer device. */)
8382 static char pname_buf[256];
8383 int err;
8384 HANDLE hPrn;
8385 PRINTER_INFO_2 *ppi2 = NULL;
8386 DWORD dwNeeded = 0, dwReturned = 0;
8388 /* Retrieve the default string from Win.ini (the registry).
8389 * String will be in form "printername,drivername,portname".
8390 * This is the most portable way to get the default printer. */
8391 if (GetProfileString ("windows", "device", ",,", pname_buf, sizeof (pname_buf)) <= 0)
8392 return Qnil;
8393 /* printername precedes first "," character */
8394 strtok (pname_buf, ",");
8395 /* We want to know more than the printer name */
8396 if (!OpenPrinter (pname_buf, &hPrn, NULL))
8397 return Qnil;
8398 GetPrinter (hPrn, 2, NULL, 0, &dwNeeded);
8399 if (dwNeeded == 0)
8401 ClosePrinter (hPrn);
8402 return Qnil;
8404 /* Allocate memory for the PRINTER_INFO_2 struct */
8405 ppi2 = (PRINTER_INFO_2 *) xmalloc (dwNeeded);
8406 if (!ppi2)
8408 ClosePrinter (hPrn);
8409 return Qnil;
8411 /* Call GetPrinter() again with big enouth memory block */
8412 err = GetPrinter (hPrn, 2, (LPBYTE)ppi2, dwNeeded, &dwReturned);
8413 ClosePrinter (hPrn);
8414 if (!err)
8416 xfree(ppi2);
8417 return Qnil;
8420 if (ppi2)
8422 if (ppi2->Attributes & PRINTER_ATTRIBUTE_SHARED && ppi2->pServerName)
8424 /* a remote printer */
8425 if (*ppi2->pServerName == '\\')
8426 _snprintf(pname_buf, sizeof (pname_buf), "%s\\%s", ppi2->pServerName,
8427 ppi2->pShareName);
8428 else
8429 _snprintf(pname_buf, sizeof (pname_buf), "\\\\%s\\%s", ppi2->pServerName,
8430 ppi2->pShareName);
8431 pname_buf[sizeof (pname_buf) - 1] = '\0';
8433 else
8435 /* a local printer */
8436 strncpy(pname_buf, ppi2->pPortName, sizeof (pname_buf));
8437 pname_buf[sizeof (pname_buf) - 1] = '\0';
8438 /* `pPortName' can include several ports, delimited by ','.
8439 * we only use the first one. */
8440 strtok(pname_buf, ",");
8442 xfree(ppi2);
8445 return build_string (pname_buf);
8448 /***********************************************************************
8449 Initialization
8450 ***********************************************************************/
8452 /* Keep this list in the same order as frame_parms in frame.c.
8453 Use 0 for unsupported frame parameters. */
8455 frame_parm_handler w32_frame_parm_handlers[] =
8457 x_set_autoraise,
8458 x_set_autolower,
8459 x_set_background_color,
8460 x_set_border_color,
8461 x_set_border_width,
8462 x_set_cursor_color,
8463 x_set_cursor_type,
8464 x_set_font,
8465 x_set_foreground_color,
8466 x_set_icon_name,
8467 x_set_icon_type,
8468 x_set_internal_border_width,
8469 x_set_menu_bar_lines,
8470 x_set_mouse_color,
8471 x_explicitly_set_name,
8472 x_set_scroll_bar_width,
8473 x_set_title,
8474 x_set_unsplittable,
8475 x_set_vertical_scroll_bars,
8476 x_set_visibility,
8477 x_set_tool_bar_lines,
8478 0, /* x_set_scroll_bar_foreground, */
8479 0, /* x_set_scroll_bar_background, */
8480 x_set_screen_gamma,
8481 x_set_line_spacing,
8482 x_set_fringe_width,
8483 x_set_fringe_width,
8484 0, /* x_set_wait_for_wm, */
8485 x_set_fullscreen,
8488 void
8489 syms_of_w32fns ()
8491 globals_of_w32fns ();
8492 /* This is zero if not using MS-Windows. */
8493 w32_in_use = 0;
8494 track_mouse_window = NULL;
8496 w32_visible_system_caret_hwnd = NULL;
8498 Qnone = intern ("none");
8499 staticpro (&Qnone);
8500 Qsuppress_icon = intern ("suppress-icon");
8501 staticpro (&Qsuppress_icon);
8502 Qundefined_color = intern ("undefined-color");
8503 staticpro (&Qundefined_color);
8504 Qcancel_timer = intern ("cancel-timer");
8505 staticpro (&Qcancel_timer);
8507 Qhyper = intern ("hyper");
8508 staticpro (&Qhyper);
8509 Qsuper = intern ("super");
8510 staticpro (&Qsuper);
8511 Qmeta = intern ("meta");
8512 staticpro (&Qmeta);
8513 Qalt = intern ("alt");
8514 staticpro (&Qalt);
8515 Qctrl = intern ("ctrl");
8516 staticpro (&Qctrl);
8517 Qcontrol = intern ("control");
8518 staticpro (&Qcontrol);
8519 Qshift = intern ("shift");
8520 staticpro (&Qshift);
8521 /* This is the end of symbol initialization. */
8523 /* Text property `display' should be nonsticky by default. */
8524 Vtext_property_default_nonsticky
8525 = Fcons (Fcons (Qdisplay, Qt), Vtext_property_default_nonsticky);
8528 Fput (Qundefined_color, Qerror_conditions,
8529 Fcons (Qundefined_color, Fcons (Qerror, Qnil)));
8530 Fput (Qundefined_color, Qerror_message,
8531 build_string ("Undefined color"));
8533 staticpro (&w32_grabbed_keys);
8534 w32_grabbed_keys = Qnil;
8536 DEFVAR_LISP ("w32-color-map", &Vw32_color_map,
8537 doc: /* An array of color name mappings for Windows. */);
8538 Vw32_color_map = Qnil;
8540 DEFVAR_LISP ("w32-pass-alt-to-system", &Vw32_pass_alt_to_system,
8541 doc: /* Non-nil if alt key presses are passed on to Windows.
8542 When non-nil, for example, alt pressed and released and then space will
8543 open the System menu. When nil, Emacs silently swallows alt key events. */);
8544 Vw32_pass_alt_to_system = Qnil;
8546 DEFVAR_LISP ("w32-alt-is-meta", &Vw32_alt_is_meta,
8547 doc: /* Non-nil if the alt key is to be considered the same as the meta key.
8548 When nil, Emacs will translate the alt key to the Alt modifier, and not Meta. */);
8549 Vw32_alt_is_meta = Qt;
8551 DEFVAR_INT ("w32-quit-key", &w32_quit_key,
8552 doc: /* If non-zero, the virtual key code for an alternative quit key. */);
8553 w32_quit_key = 0;
8555 DEFVAR_LISP ("w32-pass-lwindow-to-system",
8556 &Vw32_pass_lwindow_to_system,
8557 doc: /* Non-nil if the left \"Windows\" key is passed on to Windows.
8558 When non-nil, the Start menu is opened by tapping the key. */);
8559 Vw32_pass_lwindow_to_system = Qt;
8561 DEFVAR_LISP ("w32-pass-rwindow-to-system",
8562 &Vw32_pass_rwindow_to_system,
8563 doc: /* Non-nil if the right \"Windows\" key is passed on to Windows.
8564 When non-nil, the Start menu is opened by tapping the key. */);
8565 Vw32_pass_rwindow_to_system = Qt;
8567 DEFVAR_LISP ("w32-phantom-key-code",
8568 &Vw32_phantom_key_code,
8569 doc: /* Virtual key code used to generate \"phantom\" key presses.
8570 Value is a number between 0 and 255.
8572 Phantom key presses are generated in order to stop the system from
8573 acting on \"Windows\" key events when `w32-pass-lwindow-to-system' or
8574 `w32-pass-rwindow-to-system' is nil. */);
8575 /* Although 255 is technically not a valid key code, it works and
8576 means that this hack won't interfere with any real key code. */
8577 XSETINT (Vw32_phantom_key_code, 255);
8579 DEFVAR_LISP ("w32-enable-num-lock",
8580 &Vw32_enable_num_lock,
8581 doc: /* Non-nil if Num Lock should act normally.
8582 Set to nil to see Num Lock as the key `kp-numlock'. */);
8583 Vw32_enable_num_lock = Qt;
8585 DEFVAR_LISP ("w32-enable-caps-lock",
8586 &Vw32_enable_caps_lock,
8587 doc: /* Non-nil if Caps Lock should act normally.
8588 Set to nil to see Caps Lock as the key `capslock'. */);
8589 Vw32_enable_caps_lock = Qt;
8591 DEFVAR_LISP ("w32-scroll-lock-modifier",
8592 &Vw32_scroll_lock_modifier,
8593 doc: /* Modifier to use for the Scroll Lock on state.
8594 The value can be hyper, super, meta, alt, control or shift for the
8595 respective modifier, or nil to see Scroll Lock as the key `scroll'.
8596 Any other value will cause the key to be ignored. */);
8597 Vw32_scroll_lock_modifier = Qt;
8599 DEFVAR_LISP ("w32-lwindow-modifier",
8600 &Vw32_lwindow_modifier,
8601 doc: /* Modifier to use for the left \"Windows\" key.
8602 The value can be hyper, super, meta, alt, control or shift for the
8603 respective modifier, or nil to appear as the key `lwindow'.
8604 Any other value will cause the key to be ignored. */);
8605 Vw32_lwindow_modifier = Qnil;
8607 DEFVAR_LISP ("w32-rwindow-modifier",
8608 &Vw32_rwindow_modifier,
8609 doc: /* Modifier to use for the right \"Windows\" key.
8610 The value can be hyper, super, meta, alt, control or shift for the
8611 respective modifier, or nil to appear as the key `rwindow'.
8612 Any other value will cause the key to be ignored. */);
8613 Vw32_rwindow_modifier = Qnil;
8615 DEFVAR_LISP ("w32-apps-modifier",
8616 &Vw32_apps_modifier,
8617 doc: /* Modifier to use for the \"Apps\" key.
8618 The value can be hyper, super, meta, alt, control or shift for the
8619 respective modifier, or nil to appear as the key `apps'.
8620 Any other value will cause the key to be ignored. */);
8621 Vw32_apps_modifier = Qnil;
8623 DEFVAR_BOOL ("w32-enable-synthesized-fonts", &w32_enable_synthesized_fonts,
8624 doc: /* Non-nil enables selection of artificially italicized and bold fonts. */);
8625 w32_enable_synthesized_fonts = 0;
8627 DEFVAR_LISP ("w32-enable-palette", &Vw32_enable_palette,
8628 doc: /* Non-nil enables Windows palette management to map colors exactly. */);
8629 Vw32_enable_palette = Qt;
8631 DEFVAR_INT ("w32-mouse-button-tolerance",
8632 &w32_mouse_button_tolerance,
8633 doc: /* Analogue of double click interval for faking middle mouse events.
8634 The value is the minimum time in milliseconds that must elapse between
8635 left/right button down events before they are considered distinct events.
8636 If both mouse buttons are depressed within this interval, a middle mouse
8637 button down event is generated instead. */);
8638 w32_mouse_button_tolerance = GetDoubleClickTime () / 2;
8640 DEFVAR_INT ("w32-mouse-move-interval",
8641 &w32_mouse_move_interval,
8642 doc: /* Minimum interval between mouse move events.
8643 The value is the minimum time in milliseconds that must elapse between
8644 successive mouse move (or scroll bar drag) events before they are
8645 reported as lisp events. */);
8646 w32_mouse_move_interval = 0;
8648 DEFVAR_BOOL ("w32-pass-extra-mouse-buttons-to-system",
8649 &w32_pass_extra_mouse_buttons_to_system,
8650 doc: /* Non-nil if the fourth and fifth mouse buttons are passed to Windows.
8651 Recent versions of Windows support mice with up to five buttons.
8652 Since most applications don't support these extra buttons, most mouse
8653 drivers will allow you to map them to functions at the system level.
8654 If this variable is non-nil, Emacs will pass them on, allowing the
8655 system to handle them. */);
8656 w32_pass_extra_mouse_buttons_to_system = 0;
8658 DEFVAR_LISP ("x-pointer-shape", &Vx_pointer_shape,
8659 doc: /* The shape of the pointer when over text.
8660 Changing the value does not affect existing frames
8661 unless you set the mouse color. */);
8662 Vx_pointer_shape = Qnil;
8664 Vx_nontext_pointer_shape = Qnil;
8666 Vx_mode_pointer_shape = Qnil;
8668 DEFVAR_LISP ("x-hourglass-pointer-shape", &Vx_hourglass_pointer_shape,
8669 doc: /* The shape of the pointer when Emacs is busy.
8670 This variable takes effect when you create a new frame
8671 or when you set the mouse color. */);
8672 Vx_hourglass_pointer_shape = Qnil;
8674 DEFVAR_BOOL ("display-hourglass", &display_hourglass_p,
8675 doc: /* Non-zero means Emacs displays an hourglass pointer on window systems. */);
8676 display_hourglass_p = 1;
8678 DEFVAR_LISP ("hourglass-delay", &Vhourglass_delay,
8679 doc: /* *Seconds to wait before displaying an hourglass pointer.
8680 Value must be an integer or float. */);
8681 Vhourglass_delay = make_number (DEFAULT_HOURGLASS_DELAY);
8683 DEFVAR_LISP ("x-sensitive-text-pointer-shape",
8684 &Vx_sensitive_text_pointer_shape,
8685 doc: /* The shape of the pointer when over mouse-sensitive text.
8686 This variable takes effect when you create a new frame
8687 or when you set the mouse color. */);
8688 Vx_sensitive_text_pointer_shape = Qnil;
8690 DEFVAR_LISP ("x-window-horizontal-drag-cursor",
8691 &Vx_window_horizontal_drag_shape,
8692 doc: /* Pointer shape to use for indicating a window can be dragged horizontally.
8693 This variable takes effect when you create a new frame
8694 or when you set the mouse color. */);
8695 Vx_window_horizontal_drag_shape = Qnil;
8697 DEFVAR_LISP ("x-cursor-fore-pixel", &Vx_cursor_fore_pixel,
8698 doc: /* A string indicating the foreground color of the cursor box. */);
8699 Vx_cursor_fore_pixel = Qnil;
8701 DEFVAR_LISP ("x-max-tooltip-size", &Vx_max_tooltip_size,
8702 doc: /* Maximum size for tooltips.
8703 Value is a pair (COLUMNS . ROWS). Text larger than this is clipped. */);
8704 Vx_max_tooltip_size = Fcons (make_number (80), make_number (40));
8706 DEFVAR_LISP ("x-no-window-manager", &Vx_no_window_manager,
8707 doc: /* Non-nil if no window manager is in use.
8708 Emacs doesn't try to figure this out; this is always nil
8709 unless you set it to something else. */);
8710 /* We don't have any way to find this out, so set it to nil
8711 and maybe the user would like to set it to t. */
8712 Vx_no_window_manager = Qnil;
8714 DEFVAR_LISP ("x-pixel-size-width-font-regexp",
8715 &Vx_pixel_size_width_font_regexp,
8716 doc: /* Regexp matching a font name whose width is the same as `PIXEL_SIZE'.
8718 Since Emacs gets width of a font matching with this regexp from
8719 PIXEL_SIZE field of the name, font finding mechanism gets faster for
8720 such a font. This is especially effective for such large fonts as
8721 Chinese, Japanese, and Korean. */);
8722 Vx_pixel_size_width_font_regexp = Qnil;
8724 DEFVAR_LISP ("w32-bdf-filename-alist",
8725 &Vw32_bdf_filename_alist,
8726 doc: /* List of bdf fonts and their corresponding filenames. */);
8727 Vw32_bdf_filename_alist = Qnil;
8729 DEFVAR_BOOL ("w32-strict-fontnames",
8730 &w32_strict_fontnames,
8731 doc: /* Non-nil means only use fonts that are exact matches for those requested.
8732 Default is nil, which allows old fontnames that are not XLFD compliant,
8733 and allows third-party CJK display to work by specifying false charset
8734 fields to trick Emacs into translating to Big5, SJIS etc.
8735 Setting this to t will prevent wrong fonts being selected when
8736 fontsets are automatically created. */);
8737 w32_strict_fontnames = 0;
8739 DEFVAR_BOOL ("w32-strict-painting",
8740 &w32_strict_painting,
8741 doc: /* Non-nil means use strict rules for repainting frames.
8742 Set this to nil to get the old behavior for repainting; this should
8743 only be necessary if the default setting causes problems. */);
8744 w32_strict_painting = 1;
8746 DEFVAR_LISP ("w32-charset-info-alist",
8747 &Vw32_charset_info_alist,
8748 doc: /* Alist linking Emacs character sets to Windows fonts and codepages.
8749 Each entry should be of the form:
8751 (CHARSET_NAME . (WINDOWS_CHARSET . CODEPAGE))
8753 where CHARSET_NAME is a string used in font names to identify the charset,
8754 WINDOWS_CHARSET is a symbol that can be one of:
8755 w32-charset-ansi, w32-charset-default, w32-charset-symbol,
8756 w32-charset-shiftjis, w32-charset-hangeul, w32-charset-gb2312,
8757 w32-charset-chinesebig5,
8758 w32-charset-johab, w32-charset-hebrew,
8759 w32-charset-arabic, w32-charset-greek, w32-charset-turkish,
8760 w32-charset-vietnamese, w32-charset-thai, w32-charset-easteurope,
8761 w32-charset-russian, w32-charset-mac, w32-charset-baltic,
8762 w32-charset-unicode,
8763 or w32-charset-oem.
8764 CODEPAGE should be an integer specifying the codepage that should be used
8765 to display the character set, t to do no translation and output as Unicode,
8766 or nil to do no translation and output as 8 bit (or multibyte on far-east
8767 versions of Windows) characters. */);
8768 Vw32_charset_info_alist = Qnil;
8770 staticpro (&Qw32_charset_ansi);
8771 Qw32_charset_ansi = intern ("w32-charset-ansi");
8772 staticpro (&Qw32_charset_symbol);
8773 Qw32_charset_default = intern ("w32-charset-default");
8774 staticpro (&Qw32_charset_default);
8775 Qw32_charset_symbol = intern ("w32-charset-symbol");
8776 staticpro (&Qw32_charset_shiftjis);
8777 Qw32_charset_shiftjis = intern ("w32-charset-shiftjis");
8778 staticpro (&Qw32_charset_hangeul);
8779 Qw32_charset_hangeul = intern ("w32-charset-hangeul");
8780 staticpro (&Qw32_charset_chinesebig5);
8781 Qw32_charset_chinesebig5 = intern ("w32-charset-chinesebig5");
8782 staticpro (&Qw32_charset_gb2312);
8783 Qw32_charset_gb2312 = intern ("w32-charset-gb2312");
8784 staticpro (&Qw32_charset_oem);
8785 Qw32_charset_oem = intern ("w32-charset-oem");
8787 #ifdef JOHAB_CHARSET
8789 static int w32_extra_charsets_defined = 1;
8790 DEFVAR_BOOL ("w32-extra-charsets-defined", &w32_extra_charsets_defined,
8791 doc: /* Internal variable. */);
8793 staticpro (&Qw32_charset_johab);
8794 Qw32_charset_johab = intern ("w32-charset-johab");
8795 staticpro (&Qw32_charset_easteurope);
8796 Qw32_charset_easteurope = intern ("w32-charset-easteurope");
8797 staticpro (&Qw32_charset_turkish);
8798 Qw32_charset_turkish = intern ("w32-charset-turkish");
8799 staticpro (&Qw32_charset_baltic);
8800 Qw32_charset_baltic = intern ("w32-charset-baltic");
8801 staticpro (&Qw32_charset_russian);
8802 Qw32_charset_russian = intern ("w32-charset-russian");
8803 staticpro (&Qw32_charset_arabic);
8804 Qw32_charset_arabic = intern ("w32-charset-arabic");
8805 staticpro (&Qw32_charset_greek);
8806 Qw32_charset_greek = intern ("w32-charset-greek");
8807 staticpro (&Qw32_charset_hebrew);
8808 Qw32_charset_hebrew = intern ("w32-charset-hebrew");
8809 staticpro (&Qw32_charset_vietnamese);
8810 Qw32_charset_vietnamese = intern ("w32-charset-vietnamese");
8811 staticpro (&Qw32_charset_thai);
8812 Qw32_charset_thai = intern ("w32-charset-thai");
8813 staticpro (&Qw32_charset_mac);
8814 Qw32_charset_mac = intern ("w32-charset-mac");
8816 #endif
8818 #ifdef UNICODE_CHARSET
8820 static int w32_unicode_charset_defined = 1;
8821 DEFVAR_BOOL ("w32-unicode-charset-defined",
8822 &w32_unicode_charset_defined,
8823 doc: /* Internal variable. */);
8825 staticpro (&Qw32_charset_unicode);
8826 Qw32_charset_unicode = intern ("w32-charset-unicode");
8827 #endif
8829 #if 0 /* TODO: Port to W32 */
8830 defsubr (&Sx_change_window_property);
8831 defsubr (&Sx_delete_window_property);
8832 defsubr (&Sx_window_property);
8833 #endif
8834 defsubr (&Sxw_display_color_p);
8835 defsubr (&Sx_display_grayscale_p);
8836 defsubr (&Sxw_color_defined_p);
8837 defsubr (&Sxw_color_values);
8838 defsubr (&Sx_server_max_request_size);
8839 defsubr (&Sx_server_vendor);
8840 defsubr (&Sx_server_version);
8841 defsubr (&Sx_display_pixel_width);
8842 defsubr (&Sx_display_pixel_height);
8843 defsubr (&Sx_display_mm_width);
8844 defsubr (&Sx_display_mm_height);
8845 defsubr (&Sx_display_screens);
8846 defsubr (&Sx_display_planes);
8847 defsubr (&Sx_display_color_cells);
8848 defsubr (&Sx_display_visual_class);
8849 defsubr (&Sx_display_backing_store);
8850 defsubr (&Sx_display_save_under);
8851 defsubr (&Sx_create_frame);
8852 defsubr (&Sx_open_connection);
8853 defsubr (&Sx_close_connection);
8854 defsubr (&Sx_display_list);
8855 defsubr (&Sx_synchronize);
8857 /* W32 specific functions */
8859 defsubr (&Sw32_focus_frame);
8860 defsubr (&Sw32_select_font);
8861 defsubr (&Sw32_define_rgb_color);
8862 defsubr (&Sw32_default_color_map);
8863 defsubr (&Sw32_load_color_file);
8864 defsubr (&Sw32_send_sys_command);
8865 defsubr (&Sw32_shell_execute);
8866 defsubr (&Sw32_register_hot_key);
8867 defsubr (&Sw32_unregister_hot_key);
8868 defsubr (&Sw32_registered_hot_keys);
8869 defsubr (&Sw32_reconstruct_hot_key);
8870 defsubr (&Sw32_toggle_lock_key);
8871 defsubr (&Sw32_find_bdf_fonts);
8873 defsubr (&Sfile_system_info);
8874 defsubr (&Sdefault_printer_name);
8876 /* Setting callback functions for fontset handler. */
8877 get_font_info_func = w32_get_font_info;
8879 #if 0 /* This function pointer doesn't seem to be used anywhere.
8880 And the pointer assigned has the wrong type, anyway. */
8881 list_fonts_func = w32_list_fonts;
8882 #endif
8884 load_font_func = w32_load_font;
8885 find_ccl_program_func = w32_find_ccl_program;
8886 query_font_func = w32_query_font;
8887 set_frame_fontset_func = x_set_font;
8888 check_window_system_func = check_w32;
8891 hourglass_atimer = NULL;
8892 hourglass_shown_p = 0;
8893 defsubr (&Sx_show_tip);
8894 defsubr (&Sx_hide_tip);
8895 tip_timer = Qnil;
8896 staticpro (&tip_timer);
8897 tip_frame = Qnil;
8898 staticpro (&tip_frame);
8900 last_show_tip_args = Qnil;
8901 staticpro (&last_show_tip_args);
8903 defsubr (&Sx_file_dialog);
8908 globals_of_w32fns is used to initialize those global variables that
8909 must always be initialized on startup even when the global variable
8910 initialized is non zero (see the function main in emacs.c).
8911 globals_of_w32fns is called from syms_of_w32fns when the global
8912 variable initialized is 0 and directly from main when initialized
8913 is non zero.
8915 void globals_of_w32fns ()
8917 HMODULE user32_lib = GetModuleHandle ("user32.dll");
8919 TrackMouseEvent not available in all versions of Windows, so must load
8920 it dynamically. Do it once, here, instead of every time it is used.
8922 track_mouse_event_fn = (TrackMouseEvent_Proc)
8923 GetProcAddress (user32_lib, "TrackMouseEvent");
8924 /* ditto for GetClipboardSequenceNumber. */
8925 clipboard_sequence_fn = (ClipboardSequence_Proc)
8926 GetProcAddress (user32_lib, "GetClipboardSequenceNumber");
8928 DEFVAR_INT ("w32-ansi-code-page",
8929 &w32_ansi_code_page,
8930 doc: /* The ANSI code page used by the system. */);
8931 w32_ansi_code_page = GetACP ();
8934 #undef abort
8936 void w32_abort (void) NO_RETURN;
8938 void
8939 w32_abort()
8941 int button;
8942 button = MessageBox (NULL,
8943 "A fatal error has occurred!\n\n"
8944 "Would you like to attach a debugger?\n\n"
8945 "Select YES to debug, NO to abort Emacs"
8946 #if __GNUC__
8947 "\n\n(type \"gdb -p <emacs-PID>\" and\n"
8948 "\"continue\" inside GDB before clicking YES.)"
8949 #endif
8950 , "Emacs Abort Dialog",
8951 MB_ICONEXCLAMATION | MB_TASKMODAL
8952 | MB_SETFOREGROUND | MB_YESNO);
8953 switch (button)
8955 case IDYES:
8956 DebugBreak ();
8957 exit (2); /* tell the compiler we will never return */
8958 case IDNO:
8959 default:
8960 abort ();
8961 break;
8965 /* For convenience when debugging. */
8967 w32_last_error()
8969 return GetLastError ();
8972 /* arch-tag: 707589ab-b9be-4638-8cdd-74629cc9b446
8973 (do not change this comment) */