1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
28 #include "blockinput.h"
47 #include "dispextern.h"
49 #include "termhooks.h"
56 #include "intervals.h"
57 #include "composite.h"
60 #define abs(x) ((x) < 0 ? -(x) : (x))
65 static HBITMAP fringe_bmp
[MAX_FRINGE_BITMAPS
];
67 /* Non-nil means Emacs uses toolkit scroll bars. */
69 Lisp_Object Vx_toolkit_scroll_bars
;
71 /* Temporary variables for w32_read_socket. */
73 static int last_mousemove_x
= 0;
74 static int last_mousemove_y
= 0;
76 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
77 #ifndef GET_WHEEL_DELTA_WPARAM
78 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
81 /* Non-zero means that a HELP_EVENT has been generated since Emacs
84 static int any_help_event_p
;
86 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
87 static Lisp_Object last_window
;
89 extern unsigned int msh_mousewheel
;
91 extern void free_frame_menubar ();
93 extern int w32_codepage_for_font (char *fontname
);
94 extern Cursor
w32_load_cursor (LPCTSTR name
);
96 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
97 unsigned char *text
, int dim
);
98 extern Lisp_Object Vwindow_system
;
100 #define x_any_window_to_frame x_window_to_frame
101 #define x_top_window_to_frame x_window_to_frame
104 /* This is display since w32 does not support multiple ones. */
105 struct w32_display_info one_w32_display_info
;
106 struct w32_display_info
*x_display_list
;
108 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
109 one for each element of w32_display_list and in the same order.
110 NAME is the name of the frame.
111 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
112 Lisp_Object w32_display_name_list
;
114 /* Frame being updated by update_frame. This is declared in term.c.
115 This is set by update_begin and looked at by all the
116 w32 functions. It is zero while not inside an update.
117 In that case, the w32 functions assume that `SELECTED_FRAME ()'
118 is the frame to apply to. */
119 extern struct frame
*updating_frame
;
121 /* This is a frame waiting to be autoraised, within w32_read_socket. */
122 struct frame
*pending_autoraise_frame
;
124 /* The handle of the frame that currently owns the system caret. */
125 HWND w32_system_caret_hwnd
;
126 int w32_system_caret_height
;
127 int w32_system_caret_x
;
128 int w32_system_caret_y
;
129 int w32_use_visible_system_caret
;
131 /* Flag to enable Unicode output in case users wish to use programs
132 like Twinbridge on '95 rather than installed system level support
133 for Far East languages. */
134 int w32_enable_unicode_output
;
136 DWORD dwWindowsThreadId
= 0;
137 HANDLE hWindowsThread
= NULL
;
138 DWORD dwMainThreadId
= 0;
139 HANDLE hMainThread
= NULL
;
142 /* These definitions are new with Windows 95. */
143 #define SIF_RANGE 0x0001
144 #define SIF_PAGE 0x0002
145 #define SIF_POS 0x0004
146 #define SIF_DISABLENOSCROLL 0x0008
147 #define SIF_TRACKPOS 0x0010
148 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
150 typedef struct tagSCROLLINFO
159 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
160 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
163 /* Dynamic linking to new proportional scroll bar functions. */
164 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
165 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
167 int vertical_scroll_bar_min_handle
;
168 int vertical_scroll_bar_top_border
;
169 int vertical_scroll_bar_bottom_border
;
171 int last_scroll_bar_drag_pos
;
173 /* Mouse movement. */
175 /* Where the mouse was last time we reported a mouse event. */
177 static RECT last_mouse_glyph
;
178 static Lisp_Object last_mouse_press_frame
;
180 Lisp_Object Vw32_num_mouse_buttons
;
182 Lisp_Object Vw32_swap_mouse_buttons
;
184 /* Control whether x_raise_frame also sets input focus. */
185 Lisp_Object Vw32_grab_focus_on_raise
;
187 /* Control whether Caps Lock affects non-ascii characters. */
188 Lisp_Object Vw32_capslock_is_shiftlock
;
190 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
191 Lisp_Object Vw32_recognize_altgr
;
193 /* The scroll bar in which the last motion event occurred.
195 If the last motion event occurred in a scroll bar, we set this
196 so w32_mouse_position can know whether to report a scroll bar motion or
199 If the last motion event didn't occur in a scroll bar, we set this
200 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
201 static Lisp_Object last_mouse_scroll_bar
;
202 static int last_mouse_scroll_bar_pos
;
204 /* This is a hack. We would really prefer that w32_mouse_position would
205 return the time associated with the position it returns, but there
206 doesn't seem to be any way to wrest the time-stamp from the server
207 along with the position query. So, we just keep track of the time
208 of the last movement we received, and return that in hopes that
209 it's somewhat accurate. */
211 static Time last_mouse_movement_time
;
213 /* Incremented by w32_read_socket whenever it really tries to read
217 static int volatile input_signal_count
;
219 static int input_signal_count
;
222 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
228 /* A mask of extra modifier bits to put into every keyboard char. */
230 extern EMACS_INT extra_keyboard_modifiers
;
232 static void x_update_window_end
P_ ((struct window
*, int, int));
233 void w32_delete_display
P_ ((struct w32_display_info
*));
234 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
235 struct input_event
*));
236 void w32_define_cursor
P_ ((Window
, Cursor
));
238 void x_lower_frame
P_ ((struct frame
*));
239 void x_scroll_bar_clear
P_ ((struct frame
*));
240 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
241 void x_raise_frame
P_ ((struct frame
*));
242 void x_set_window_size
P_ ((struct frame
*, int, int, int));
243 void x_wm_set_window_state
P_ ((struct frame
*, int));
244 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
245 void w32_initialize
P_ ((void));
246 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
247 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
248 static void x_update_end
P_ ((struct frame
*));
249 static void w32_frame_up_to_date
P_ ((struct frame
*));
250 static void w32_set_terminal_modes
P_ ((void));
251 static void w32_reset_terminal_modes
P_ ((void));
252 static void x_clear_frame
P_ ((void));
253 static void frame_highlight
P_ ((struct frame
*));
254 static void frame_unhighlight
P_ ((struct frame
*));
255 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
257 static void w32_frame_rehighlight
P_ ((struct frame
*));
258 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
259 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
260 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
261 enum text_cursor_kinds
));
262 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, HDC
));
264 static Lisp_Object Qvendor_specific_keysyms
;
267 /***********************************************************************
269 ***********************************************************************/
273 /* This is a function useful for recording debugging information about
274 the sequence of occurrences in this file. */
282 struct record event_record
[100];
284 int event_record_index
;
286 record_event (locus
, type
)
290 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
291 event_record_index
= 0;
293 event_record
[event_record_index
].locus
= locus
;
294 event_record
[event_record_index
].type
= type
;
295 event_record_index
++;
302 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
305 if (mask
& GCForeground
)
306 gc
->foreground
= xgcv
->foreground
;
307 if (mask
& GCBackground
)
308 gc
->background
= xgcv
->background
;
310 gc
->font
= xgcv
->font
;
313 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
316 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
317 bzero (gc
, sizeof (XGCValues
));
319 XChangeGC (ignore
, gc
, mask
, xgcv
);
325 XGetGCValues (void* ignore
, XGCValues
*gc
,
326 unsigned long mask
, XGCValues
*xgcv
)
328 XChangeGC (ignore
, xgcv
, mask
, gc
);
332 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
336 HRGN clip_region
= CreateRectRgnIndirect (rect
);
337 SelectClipRgn (hdc
, clip_region
);
338 DeleteObject (clip_region
);
341 SelectClipRgn (hdc
, NULL
);
345 /* Draw a hollow rectangle at the specified position. */
347 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
348 int width
, int height
)
353 hb
= CreateSolidBrush (gc
->background
);
354 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
355 oldhb
= SelectObject (hdc
, hb
);
356 oldhp
= SelectObject (hdc
, hp
);
358 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
360 SelectObject (hdc
, oldhb
);
361 SelectObject (hdc
, oldhp
);
366 /* Draw a filled rectangle at the specified position. */
368 w32_fill_rect (f
, hdc
, pix
, lprect
)
376 hb
= CreateSolidBrush (pix
);
377 FillRect (hdc
, lprect
, hb
);
386 HDC hdc
= get_frame_dc (f
);
388 /* Under certain conditions, this can be called at startup with
389 a console frame pointer before the GUI frame is created. An HDC
390 of 0 indicates this. */
393 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
394 w32_clear_rect (f
, hdc
, &rect
);
397 release_frame_dc (f
, hdc
);
401 /***********************************************************************
402 Starting and ending an update
403 ***********************************************************************/
405 /* Start an update of frame F. This function is installed as a hook
406 for update_begin, i.e. it is called when update_begin is called.
407 This function is called prior to calls to x_update_window_begin for
408 each window being updated. */
414 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
416 if (! FRAME_W32_P (f
))
419 /* Regenerate display palette before drawing if list of requested
420 colors has changed. */
421 if (display_info
->regen_palette
)
423 w32_regenerate_palette (f
);
424 display_info
->regen_palette
= FALSE
;
429 /* Start update of window W. Set the global variable updated_window
430 to the window being updated and set output_cursor to the cursor
434 x_update_window_begin (w
)
437 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
438 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
440 /* Hide the system caret during an update. */
441 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
443 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
447 set_output_cursor (&w
->cursor
);
451 if (f
== display_info
->mouse_face_mouse_frame
)
453 /* Don't do highlighting for mouse motion during the update. */
454 display_info
->mouse_face_defer
= 1;
456 /* If F needs to be redrawn, simply forget about any prior mouse
458 if (FRAME_GARBAGED_P (f
))
459 display_info
->mouse_face_window
= Qnil
;
461 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
462 their mouse_face_p flag set, which means that they are always
463 unequal to rows in a desired matrix which never have that
464 flag set. So, rows containing mouse-face glyphs are never
465 scrolled, and we don't have to switch the mouse highlight off
466 here to prevent it from being scrolled. */
468 /* Can we tell that this update does not affect the window
469 where the mouse highlight is? If so, no need to turn off.
470 Likewise, don't do anything if the frame is garbaged;
471 in that case, the frame's current matrix that we would use
472 is all wrong, and we will redisplay that line anyway. */
473 if (!NILP (display_info
->mouse_face_window
)
474 && w
== XWINDOW (display_info
->mouse_face_window
))
478 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
479 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
482 if (i
< w
->desired_matrix
->nrows
)
483 clear_mouse_face (display_info
);
491 /* Draw a vertical window border from (x,y0) to (x,y1) */
494 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
498 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
507 hdc
= get_frame_dc (f
);
508 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
509 release_frame_dc (f
, hdc
);
513 /* End update of window W (which is equal to updated_window).
515 Draw vertical borders between horizontally adjacent windows, and
516 display W's cursor if CURSOR_ON_P is non-zero.
518 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
519 glyphs in mouse-face were overwritten. In that case we have to
520 make sure that the mouse-highlight is properly redrawn.
522 W may be a menu bar pseudo-window in case we don't have X toolkit
523 support. Such windows don't have a cursor, so don't display it
527 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
529 int cursor_on_p
, mouse_face_overwritten_p
;
531 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
533 if (!w
->pseudo_window_p
)
538 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
540 output_cursor
.x
, output_cursor
.y
);
542 x_draw_vertical_border (w
);
546 /* If a row with mouse-face was overwritten, arrange for
547 XTframe_up_to_date to redisplay the mouse highlight. */
548 if (mouse_face_overwritten_p
)
550 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
551 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
552 dpyinfo
->mouse_face_window
= Qnil
;
555 /* Unhide the caret. This won't actually show the cursor, unless it
556 was visible before the corresponding call to HideCaret in
557 x_update_window_begin. */
558 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
560 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
563 updated_window
= NULL
;
567 /* End update of frame F. This function is installed as a hook in
574 if (! FRAME_W32_P (f
))
577 /* Mouse highlight may be displayed again. */
578 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
582 /* This function is called from various places in xdisp.c whenever a
583 complete update has been performed. The global variable
584 updated_window is not available here. */
587 w32_frame_up_to_date (f
)
592 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
594 if (dpyinfo
->mouse_face_deferred_gc
595 || f
== dpyinfo
->mouse_face_mouse_frame
)
598 if (dpyinfo
->mouse_face_mouse_frame
)
599 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
600 dpyinfo
->mouse_face_mouse_x
,
601 dpyinfo
->mouse_face_mouse_y
);
602 dpyinfo
->mouse_face_deferred_gc
= 0;
609 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
610 arrow bitmaps, or clear the fringes if no bitmaps are required
611 before DESIRED_ROW is made current. The window being updated is
612 found in updated_window. This function is called from
613 update_window_line only if it is known that there are differences
614 between bitmaps to be drawn between current row and DESIRED_ROW. */
617 x_after_update_window_line (desired_row
)
618 struct glyph_row
*desired_row
;
620 struct window
*w
= updated_window
;
626 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
629 draw_row_fringe_bitmaps (w
, desired_row
);
633 /* When a window has disappeared, make sure that no rest of
634 full-width rows stays visible in the internal border. Could
635 check here if updated_window is the leftmost/rightmost window,
636 but I guess it's not worth doing since vertically split windows
637 are almost never used, internal border is rarely set, and the
638 overhead is very small. */
639 if (windows_or_buffers_changed
640 && desired_row
->full_width_p
641 && (f
= XFRAME (w
->frame
),
642 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
644 && (height
= desired_row
->visible_height
,
647 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
649 /* Internal border is drawn below the tool bar. */
650 if (WINDOWP (f
->tool_bar_window
)
651 && w
== XWINDOW (f
->tool_bar_window
))
656 HDC hdc
= get_frame_dc (f
);
657 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
658 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
660 release_frame_dc (f
, hdc
);
667 /* Draw the bitmap WHICH in one of the left or right fringes of
668 window W. ROW is the glyph row for which to display the bitmap; it
669 determines the vertical position at which the bitmap has to be
673 w32_draw_fringe_bitmap (w
, row
, p
)
675 struct glyph_row
*row
;
676 struct draw_fringe_bitmap_params
*p
;
678 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
680 struct face
*face
= p
->face
;
682 hdc
= get_frame_dc (f
);
684 /* Must clip because of partially visible lines. */
685 w32_clip_to_row (w
, row
, hdc
);
689 w32_fill_area (f
, hdc
, face
->background
,
690 p
->bx
, p
->by
, p
->nx
, p
->ny
);
693 if (p
->which
!= NO_FRINGE_BITMAP
)
695 HBITMAP pixmap
= fringe_bmp
[p
->which
];
699 compat_hdc
= CreateCompatibleDC (hdc
);
702 horig_obj
= SelectObject (compat_hdc
, pixmap
);
703 SetTextColor (hdc
, face
->background
);
704 SetBkColor (hdc
, face
->foreground
);
706 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
707 compat_hdc
, 0, p
->dh
,
710 SelectObject (compat_hdc
, horig_obj
);
711 DeleteDC (compat_hdc
);
715 w32_set_clip_rectangle (hdc
, NULL
);
717 release_frame_dc (f
, hdc
);
721 /* This is called when starting Emacs and when restarting after
722 suspend. When starting Emacs, no window is mapped. And nothing
723 must be done to Emacs's own window if it is suspended (though that
727 w32_set_terminal_modes (void)
731 /* This is called when exiting or suspending Emacs. Exiting will make
732 the W32 windows go away, and suspending requires no action. */
735 w32_reset_terminal_modes (void)
741 /***********************************************************************
743 ***********************************************************************/
745 /* Function prototypes of this page. */
747 static XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*,
749 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
752 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
753 If CHAR2B is not contained in FONT, the font's default character
754 metric is returned. */
757 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
763 glyph_metric
* bdf_metric
;
767 buf
[0] = (char)(*char2b
);
770 buf
[0] = XCHAR2B_BYTE1 (char2b
);
771 buf
[1] = XCHAR2B_BYTE2 (char2b
);
774 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
778 pcm
->width
= bdf_metric
->dwidth
;
779 pcm
->lbearing
= bdf_metric
->bbox
;
780 pcm
->rbearing
= bdf_metric
->dwidth
781 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
782 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
783 pcm
->descent
= -bdf_metric
->bboy
;
792 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
795 enum w32_char_font_type font_type
;
798 HDC hdc
= GetDC (NULL
);
802 xassert (font
&& char2b
);
803 xassert (font
->hfont
);
804 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
806 old_font
= SelectObject (hdc
, font
->hfont
);
808 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
812 if (font_type
== UNICODE_FONT
)
813 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
815 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
820 /* Disabled until we can find a way to get the right results
821 on all versions of Windows. */
823 /* Don't trust the ABC widths. For synthesized fonts they are
824 wrong, and so is the result of GetCharWidth()! */
826 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
828 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
830 /* As far as I can tell, this is the best way to determine what
831 ExtTextOut will do with the broken font. */
832 if (pcm
->width
!= real_width
)
833 pcm
->width
= (pcm
->width
+ real_width
) / 2;
835 pcm
->lbearing
= char_widths
.abcA
;
836 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
837 pcm
->ascent
= FONT_BASE (font
);
838 pcm
->descent
= FONT_DESCENT (font
);
844 /* Either font is not a True-type font, or GetCharABCWidthsW
845 failed (it is not supported on Windows 9x for instance), so we
846 can't determine the full info we would like. All is not lost
847 though - we can call GetTextExtentPoint32 to get rbearing and
848 deduce width based on the font's per-string overhang. lbearing
849 is assumed to be zero. */
851 /* TODO: Some Thai characters (and other composites if Windows
852 supports them) do have lbearing, and report their total width
853 as zero. Need some way of handling them when
854 GetCharABCWidthsW fails. */
857 if (font_type
== UNICODE_FONT
)
858 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
860 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
864 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
865 pcm
->rbearing
= sz
.cx
;
867 pcm
->ascent
= FONT_BASE (font
);
868 pcm
->descent
= FONT_DESCENT (font
);
873 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
878 SelectObject (hdc
, old_font
);
879 ReleaseDC (NULL
, hdc
);
886 w32_per_char_metric (font
, char2b
, font_type
)
889 int /* enum w32_char_font_type */ font_type
;
891 /* The result metric information. */
895 xassert (font
&& char2b
);
897 /* TODO: This function is currently called through the RIF, and in
898 some cases font_type is UNKNOWN_FONT. We currently allow the
899 cached metrics to be used, which seems to work, but in cases
900 where font_type is UNKNOWN_FONT, we probably haven't encoded
901 char2b appropriately. All callers need checking to see what they
902 are passing. This is most likely to affect variable width fonts
903 outside the Latin-1 range, particularly in languages like Thai
904 that rely on rbearing and lbearing to provide composition. I
905 don't think that is working currently anyway, but we don't seem
906 to have anyone testing such languages on Windows. */
908 /* Handle the common cases quickly. */
909 if (!font
->bdf
&& font
->per_char
== NULL
)
910 /* TODO: determine whether char2b exists in font? */
911 return &font
->max_bounds
;
912 else if (!font
->bdf
&& *char2b
< 128)
913 return &font
->per_char
[*char2b
];
915 xassert (font_type
!= UNKNOWN_FONT
);
917 pcm
= &font
->scratch
;
919 if (font_type
== BDF_1D_FONT
)
920 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
921 else if (font_type
== BDF_2D_FONT
)
922 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
924 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
933 w32_cache_char_metrics (font
)
936 wchar_t char2b
= L
'x';
938 /* Cache char metrics for the common cases. */
941 /* TODO: determine whether font is fixed-pitch. */
942 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
944 /* Use the font width and height as max bounds, as not all BDF
945 fonts contain the letter 'x'. */
946 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
947 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
948 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
949 font
->max_bounds
.ascent
= FONT_BASE (font
);
950 font
->max_bounds
.descent
= FONT_DESCENT (font
);
955 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
956 /* Some fonts (eg DBCS fonts) are marked as fixed width even
957 though they contain characters of different widths. */
958 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
960 /* Font is not fixed pitch, so cache per_char info for the
961 ASCII characters. It would be much more work, and probably
962 not worth it, to cache other chars, since we may change
963 between using Unicode and ANSI text drawing functions at
967 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
968 for (i
= 0; i
< 128; i
++)
971 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
976 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
982 /* Determine if a font is double byte. */
983 int w32_font_is_double_byte (XFontStruct
*font
)
985 return font
->double_byte_p
;
990 w32_use_unicode_for_codepage (codepage
)
993 /* If the current codepage is supported, use Unicode for output. */
994 return (w32_enable_unicode_output
995 && codepage
!= CP_8BIT
996 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
999 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1000 the two-byte form of C. Encoding is returned in *CHAR2B. */
1002 static int /* enum w32_char_font_type */
1003 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1006 struct font_info
*font_info
;
1009 int charset
= CHAR_CHARSET (c
);
1012 int internal_two_byte_p
= 0;
1014 XFontStruct
*font
= font_info
->font
;
1016 internal_two_byte_p
= w32_font_is_double_byte (font
);
1018 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1019 This may be either a program in a special encoder language or a
1021 if (font_info
->font_encoder
)
1023 /* It's a program. */
1024 struct ccl_program
*ccl
= font_info
->font_encoder
;
1026 if (CHARSET_DIMENSION (charset
) == 1)
1028 ccl
->reg
[0] = charset
;
1029 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1034 ccl
->reg
[0] = charset
;
1035 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1036 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1039 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1041 /* We assume that MSBs are appropriately set/reset by CCL
1043 if (!internal_two_byte_p
) /* 1-byte font */
1044 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1046 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1048 else if (font_info
->encoding
[charset
])
1050 /* Fixed encoding scheme. See fontset.h for the meaning of the
1051 encoding numbers. */
1052 int enc
= font_info
->encoding
[charset
];
1054 if ((enc
== 1 || enc
== 2)
1055 && CHARSET_DIMENSION (charset
) == 2)
1056 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1058 if (enc
== 1 || enc
== 3
1059 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1060 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1065 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1067 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1070 codepage
= font_info
->codepage
;
1072 /* If charset is not ASCII or Latin-1, may need to move it into
1074 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1075 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1076 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1079 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1080 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1082 if (codepage
!= CP_UNICODE
)
1085 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1087 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1090 internal_two_byte_p
= 1;
1094 *two_byte_p
= internal_two_byte_p
;
1097 return UNKNOWN_FONT
;
1098 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1103 return UNICODE_FONT
;
1110 /***********************************************************************
1112 ***********************************************************************/
1115 /* Encapsulate the different ways of displaying text under W32. */
1118 w32_text_out (s
, x
, y
,chars
,nchars
)
1119 struct glyph_string
* s
;
1124 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1126 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1127 x
, y
, (char *) chars
, charset_dim
,
1128 nchars
* charset_dim
, 0);
1129 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1130 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1132 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1133 nchars
* charset_dim
, NULL
);
1138 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1139 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1140 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1142 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1143 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1144 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1145 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1146 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1147 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1148 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1149 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1150 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1151 double, int, COLORREF
));
1152 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1153 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1154 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1155 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1156 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1157 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1159 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1160 int, int, int, int, RECT
*));
1161 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1162 int, int, int, RECT
*));
1165 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1169 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1174 struct glyph_string
*s
;
1176 if (s
->font
== FRAME_FONT (s
->f
)
1177 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1178 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1180 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1183 /* Cursor on non-default face: must merge. */
1187 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1188 xgcv
.foreground
= s
->face
->background
;
1190 /* If the glyph would be invisible, try a different foreground. */
1191 if (xgcv
.foreground
== xgcv
.background
)
1192 xgcv
.foreground
= s
->face
->foreground
;
1193 if (xgcv
.foreground
== xgcv
.background
)
1194 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1195 if (xgcv
.foreground
== xgcv
.background
)
1196 xgcv
.foreground
= s
->face
->foreground
;
1198 /* Make sure the cursor is distinct from text in this face. */
1199 if (xgcv
.background
== s
->face
->background
1200 && xgcv
.foreground
== s
->face
->foreground
)
1202 xgcv
.background
= s
->face
->foreground
;
1203 xgcv
.foreground
= s
->face
->background
;
1206 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1207 xgcv
.font
= s
->font
;
1208 mask
= GCForeground
| GCBackground
| GCFont
;
1210 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1211 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1214 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1215 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1217 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1222 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1225 x_set_mouse_face_gc (s
)
1226 struct glyph_string
*s
;
1231 /* What face has to be used last for the mouse face? */
1232 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1233 face
= FACE_FROM_ID (s
->f
, face_id
);
1235 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1237 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1238 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1240 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1241 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1242 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1244 /* If font in this face is same as S->font, use it. */
1245 if (s
->font
== s
->face
->font
)
1246 s
->gc
= s
->face
->gc
;
1249 /* Otherwise construct scratch_cursor_gc with values from FACE
1254 xgcv
.background
= s
->face
->background
;
1255 xgcv
.foreground
= s
->face
->foreground
;
1256 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1257 xgcv
.font
= s
->font
;
1258 mask
= GCForeground
| GCBackground
| GCFont
;
1260 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1261 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1264 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1265 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1267 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1270 xassert (s
->gc
!= 0);
1274 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1275 Faces to use in the mode line have already been computed when the
1276 matrix was built, so there isn't much to do, here. */
1279 x_set_mode_line_face_gc (s
)
1280 struct glyph_string
*s
;
1282 s
->gc
= s
->face
->gc
;
1286 /* Set S->gc of glyph string S for drawing that glyph string. Set
1287 S->stippled_p to a non-zero value if the face of S has a stipple
1291 x_set_glyph_string_gc (s
)
1292 struct glyph_string
*s
;
1294 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1296 if (s
->hl
== DRAW_NORMAL_TEXT
)
1298 s
->gc
= s
->face
->gc
;
1299 s
->stippled_p
= s
->face
->stipple
!= 0;
1301 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1303 x_set_mode_line_face_gc (s
);
1304 s
->stippled_p
= s
->face
->stipple
!= 0;
1306 else if (s
->hl
== DRAW_CURSOR
)
1308 x_set_cursor_gc (s
);
1311 else if (s
->hl
== DRAW_MOUSE_FACE
)
1313 x_set_mouse_face_gc (s
);
1314 s
->stippled_p
= s
->face
->stipple
!= 0;
1316 else if (s
->hl
== DRAW_IMAGE_RAISED
1317 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1319 s
->gc
= s
->face
->gc
;
1320 s
->stippled_p
= s
->face
->stipple
!= 0;
1324 s
->gc
= s
->face
->gc
;
1325 s
->stippled_p
= s
->face
->stipple
!= 0;
1328 /* GC must have been set. */
1329 xassert (s
->gc
!= 0);
1333 /* Set clipping for output of glyph string S. S may be part of a mode
1334 line or menu if we don't have X toolkit support. */
1337 x_set_glyph_string_clipping (s
)
1338 struct glyph_string
*s
;
1341 get_glyph_string_clip_rect (s
, &r
);
1342 w32_set_clip_rectangle (s
->hdc
, &r
);
1347 Compute left and right overhang of glyph string S. If S is a glyph
1348 string for a composition, assume overhangs don't exist. */
1351 w32_compute_glyph_string_overhangs (s
)
1352 struct glyph_string
*s
;
1354 /* TODO: Windows does not appear to have a method for
1355 getting this info without getting the ABC widths for each
1356 individual character and working it out manually. */
1361 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1362 struct glyph
*glyph
;
1366 HDC hdc
= get_frame_dc (f
);
1367 /* Convert to unicode! */
1368 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1369 release_frame_dc (f
, hdc
);
1373 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1376 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1377 struct glyph_string
*s
;
1385 /* Take clipping into account. */
1386 if (s
->gc
->clip_mask
== Rect
)
1388 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1389 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1390 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1391 - s
->gc
->clip_rectangle
.left
);
1392 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1393 - s
->gc
->clip_rectangle
.top
);
1396 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1401 /* Draw the background of glyph_string S. If S->background_filled_p
1402 is non-zero don't draw it. FORCE_P non-zero means draw the
1403 background even if it wouldn't be drawn normally. This is used
1404 when a string preceding S draws into the background of S, or S
1405 contains the first component of a composition. */
1408 x_draw_glyph_string_background (s
, force_p
)
1409 struct glyph_string
*s
;
1412 /* Nothing to do if background has already been drawn or if it
1413 shouldn't be drawn in the first place. */
1414 if (!s
->background_filled_p
)
1416 int box_line_width
= max (s
->face
->box_line_width
, 0);
1418 #if 0 /* TODO: stipple */
1421 /* Fill background with a stipple pattern. */
1422 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1423 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1424 s
->y
+ box_line_width
,
1425 s
->background_width
,
1426 s
->height
- 2 * box_line_width
);
1427 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1428 s
->background_filled_p
= 1;
1432 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1433 || s
->font_not_found_p
1434 || s
->extends_to_end_of_line_p
1438 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1439 s
->background_width
,
1440 s
->height
- 2 * box_line_width
);
1441 s
->background_filled_p
= 1;
1447 /* Draw the foreground of glyph string S. */
1450 x_draw_glyph_string_foreground (s
)
1451 struct glyph_string
*s
;
1456 /* If first glyph of S has a left box line, start drawing the text
1457 of S to the right of that box line. */
1458 if (s
->face
->box
!= FACE_NO_BOX
1459 && s
->first_glyph
->left_box_line_p
)
1460 x
= s
->x
+ abs (s
->face
->box_line_width
);
1464 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1465 SetBkMode (s
->hdc
, TRANSPARENT
);
1467 SetBkMode (s
->hdc
, OPAQUE
);
1469 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1470 SetBkColor (s
->hdc
, s
->gc
->background
);
1471 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1473 if (s
->font
&& s
->font
->hfont
)
1474 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1476 /* Draw characters of S as rectangles if S's font could not be
1478 if (s
->font_not_found_p
)
1480 for (i
= 0; i
< s
->nchars
; ++i
)
1482 struct glyph
*g
= s
->first_glyph
+ i
;
1484 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1486 x
+= g
->pixel_width
;
1491 char *char1b
= (char *) s
->char2b
;
1492 int boff
= s
->font_info
->baseline_offset
;
1494 if (s
->font_info
->vertical_centering
)
1495 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1497 /* If we can use 8-bit functions, condense S->char2b. */
1499 for (i
= 0; i
< s
->nchars
; ++i
)
1500 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1502 /* Draw text with TextOut and friends. */
1503 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1505 if (s
->face
->overstrike
)
1507 /* For overstriking (to simulate bold-face), draw the
1508 characters again shifted to the right by one pixel. */
1509 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1512 if (s
->font
&& s
->font
->hfont
)
1513 SelectObject (s
->hdc
, old_font
);
1516 /* Draw the foreground of composite glyph string S. */
1519 x_draw_composite_glyph_string_foreground (s
)
1520 struct glyph_string
*s
;
1525 /* If first glyph of S has a left box line, start drawing the text
1526 of S to the right of that box line. */
1527 if (s
->face
->box
!= FACE_NO_BOX
1528 && s
->first_glyph
->left_box_line_p
)
1529 x
= s
->x
+ abs (s
->face
->box_line_width
);
1533 /* S is a glyph string for a composition. S->gidx is the index of
1534 the first character drawn for glyphs of this composition.
1535 S->gidx == 0 means we are drawing the very first character of
1536 this composition. */
1538 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1539 SetBkColor (s
->hdc
, s
->gc
->background
);
1540 SetBkMode (s
->hdc
, TRANSPARENT
);
1541 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1543 if (s
->font
&& s
->font
->hfont
)
1544 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1546 /* Draw a rectangle for the composition if the font for the very
1547 first character of the composition could not be loaded. */
1548 if (s
->font_not_found_p
)
1551 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1556 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1558 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1559 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1561 if (s
->face
->overstrike
)
1562 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1563 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1568 if (s
->font
&& s
->font
->hfont
)
1569 SelectObject (s
->hdc
, old_font
);
1573 /* Brightness beyond which a color won't have its highlight brightness
1576 Nominally, highlight colors for `3d' faces are calculated by
1577 brightening an object's color by a constant scale factor, but this
1578 doesn't yield good results for dark colors, so for colors who's
1579 brightness is less than this value (on a scale of 0-255) have to
1580 use an additional additive factor.
1582 The value here is set so that the default menu-bar/mode-line color
1583 (grey75) will not have its highlights changed at all. */
1584 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1587 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1588 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1589 If this produces the same color as COLOR, try a color where all RGB
1590 values have DELTA added. Return the allocated color in *COLOR.
1591 DISPLAY is the X display, CMAP is the colormap to operate on.
1592 Value is non-zero if successful. */
1595 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1604 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1607 /* Change RGB values by specified FACTOR. Avoid overflow! */
1608 xassert (factor
>= 0);
1609 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1610 min (0xff, factor
* GetGValue (*color
)),
1611 min (0xff, factor
* GetBValue (*color
)));
1613 /* Calculate brightness of COLOR. */
1614 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1615 + GetBValue (*color
)) / 6;
1617 /* We only boost colors that are darker than
1618 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1619 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1620 /* Make an additive adjustment to NEW, because it's dark enough so
1621 that scaling by FACTOR alone isn't enough. */
1623 /* How far below the limit this color is (0 - 1, 1 being darker). */
1624 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1625 /* The additive adjustment. */
1626 int min_delta
= delta
* dimness
* factor
/ 2;
1629 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1630 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1631 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1633 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1634 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1635 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1639 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1640 max (0, min (0xff, delta
+ GetGValue (*color
))),
1641 max (0, min (0xff, delta
+ GetBValue (*color
))));
1643 /* TODO: Map to palette and retry with delta if same? */
1644 /* TODO: Free colors (if using palette)? */
1655 /* Set up the foreground color for drawing relief lines of glyph
1656 string S. RELIEF is a pointer to a struct relief containing the GC
1657 with which lines will be drawn. Use a color that is FACTOR or
1658 DELTA lighter or darker than the relief's background which is found
1659 in S->f->output_data.x->relief_background. If such a color cannot
1660 be allocated, use DEFAULT_PIXEL, instead. */
1663 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1665 struct relief
*relief
;
1668 COLORREF default_pixel
;
1671 struct w32_output
*di
= f
->output_data
.w32
;
1672 unsigned long mask
= GCForeground
;
1674 COLORREF background
= di
->relief_background
;
1675 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1677 /* TODO: Free colors (if using palette)? */
1679 /* Allocate new color. */
1680 xgcv
.foreground
= default_pixel
;
1682 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1684 relief
->allocated_p
= 1;
1685 xgcv
.foreground
= relief
->pixel
= pixel
;
1688 if (relief
->gc
== 0)
1690 #if 0 /* TODO: stipple */
1691 xgcv
.stipple
= dpyinfo
->gray
;
1694 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1697 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1701 /* Set up colors for the relief lines around glyph string S. */
1704 x_setup_relief_colors (s
)
1705 struct glyph_string
*s
;
1707 struct w32_output
*di
= s
->f
->output_data
.w32
;
1710 if (s
->face
->use_box_color_for_shadows_p
)
1711 color
= s
->face
->box_color
;
1712 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1714 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1715 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1717 color
= s
->gc
->background
;
1719 if (di
->white_relief
.gc
== 0
1720 || color
!= di
->relief_background
)
1722 di
->relief_background
= color
;
1723 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1724 WHITE_PIX_DEFAULT (s
->f
));
1725 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1726 BLACK_PIX_DEFAULT (s
->f
));
1731 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1732 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1733 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1734 relief. LEFT_P non-zero means draw a relief on the left side of
1735 the rectangle. RIGHT_P non-zero means draw a relief on the right
1736 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1740 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1741 raised_p
, left_p
, right_p
, clip_rect
)
1743 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
, raised_p
;
1748 HDC hdc
= get_frame_dc (f
);
1751 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1753 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1755 w32_set_clip_rectangle (hdc
, clip_rect
);
1758 for (i
= 0; i
< width
; ++i
)
1759 w32_fill_area (f
, hdc
, gc
.foreground
,
1760 left_x
+ i
* left_p
, top_y
+ i
,
1761 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1765 for (i
= 0; i
< width
; ++i
)
1766 w32_fill_area (f
, hdc
, gc
.foreground
,
1767 left_x
+ i
, top_y
+ i
, 1,
1768 bottom_y
- top_y
- 2 * i
+ 1);
1771 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1773 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1776 for (i
= 0; i
< width
; ++i
)
1777 w32_fill_area (f
, hdc
, gc
.foreground
,
1778 left_x
+ i
* left_p
, bottom_y
- i
,
1779 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1783 for (i
= 0; i
< width
; ++i
)
1784 w32_fill_area (f
, hdc
, gc
.foreground
,
1785 right_x
- i
, top_y
+ i
+ 1, 1,
1786 bottom_y
- top_y
- 2 * i
- 1);
1788 w32_set_clip_rectangle (hdc
, NULL
);
1790 release_frame_dc (f
, hdc
);
1794 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1795 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1796 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1797 left side of the rectangle. RIGHT_P non-zero means draw a line
1798 on the right side of the rectangle. CLIP_RECT is the clipping
1799 rectangle to use when drawing. */
1802 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1803 left_p
, right_p
, clip_rect
)
1804 struct glyph_string
*s
;
1805 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1808 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1811 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1812 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1817 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1818 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1822 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1823 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1828 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1829 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1832 w32_set_clip_rectangle (s
->hdc
, NULL
);
1836 /* Draw a box around glyph string S. */
1839 x_draw_glyph_string_box (s
)
1840 struct glyph_string
*s
;
1842 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1843 int left_p
, right_p
;
1844 struct glyph
*last_glyph
;
1847 last_x
= window_box_right (s
->w
, s
->area
);
1848 if (s
->row
->full_width_p
1849 && !s
->w
->pseudo_window_p
)
1851 last_x
+= WINDOW_RIGHT_SCROLL_BAR_AREA_WIDTH (s
->w
);
1852 if (s
->area
!= RIGHT_MARGIN_AREA
1853 || WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (s
->w
))
1854 last_x
+= WINDOW_RIGHT_FRINGE_WIDTH (s
->w
);
1857 /* The glyph that may have a right box line. */
1858 last_glyph
= (s
->cmp
|| s
->img
1860 : s
->first_glyph
+ s
->nchars
- 1);
1862 width
= abs (s
->face
->box_line_width
);
1863 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1865 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1867 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1869 bottom_y
= top_y
+ s
->height
- 1;
1871 left_p
= (s
->first_glyph
->left_box_line_p
1872 || (s
->hl
== DRAW_MOUSE_FACE
1874 || s
->prev
->hl
!= s
->hl
)));
1875 right_p
= (last_glyph
->right_box_line_p
1876 || (s
->hl
== DRAW_MOUSE_FACE
1878 || s
->next
->hl
!= s
->hl
)));
1880 get_glyph_string_clip_rect (s
, &clip_rect
);
1882 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1883 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1884 left_p
, right_p
, &clip_rect
);
1887 x_setup_relief_colors (s
);
1888 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1889 width
, raised_p
, left_p
, right_p
, &clip_rect
);
1894 /* Draw foreground of image glyph string S. */
1897 x_draw_image_foreground (s
)
1898 struct glyph_string
*s
;
1901 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1903 /* If first glyph of S has a left box line, start drawing it to the
1904 right of that line. */
1905 if (s
->face
->box
!= FACE_NO_BOX
1906 && s
->first_glyph
->left_box_line_p
)
1907 x
= s
->x
+ abs (s
->face
->box_line_width
);
1911 /* If there is a margin around the image, adjust x- and y-position
1913 x
+= s
->img
->hmargin
;
1914 y
+= s
->img
->vmargin
;
1920 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1921 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1922 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1923 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1924 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1925 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1926 x_set_glyph_string_clipping (s
);
1930 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1931 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1933 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1934 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1936 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1937 compat_hdc
, 0, 0, SRCINVERT
);
1938 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1939 mask_dc
, 0, 0, SRCAND
);
1940 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1941 compat_hdc
, 0, 0, SRCINVERT
);
1943 SelectObject (mask_dc
, mask_orig_obj
);
1948 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1949 SetBkColor (s
->hdc
, s
->gc
->background
);
1951 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1952 compat_hdc
, 0, 0, SRCCOPY
);
1954 /* When the image has a mask, we can expect that at
1955 least part of a mouse highlight or a block cursor will
1956 be visible. If the image doesn't have a mask, make
1957 a block cursor visible by drawing a rectangle around
1958 the image. I believe it's looking better if we do
1959 nothing here for mouse-face. */
1960 if (s
->hl
== DRAW_CURSOR
)
1962 int r
= s
->img
->relief
;
1964 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1965 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
1969 w32_set_clip_rectangle (s
->hdc
, NULL
);
1970 SelectObject (s
->hdc
, orig_brush
);
1971 DeleteObject (fg_brush
);
1972 SelectObject (compat_hdc
, orig_obj
);
1973 DeleteDC (compat_hdc
);
1976 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
, s
->img
->width
-1,
1977 s
->img
->height
- 1);
1979 RestoreDC (s
->hdc
,-1);
1984 /* Draw a relief around the image glyph string S. */
1987 x_draw_image_relief (s
)
1988 struct glyph_string
*s
;
1990 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1993 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1995 /* If first glyph of S has a left box line, start drawing it to the
1996 right of that line. */
1997 if (s
->face
->box
!= FACE_NO_BOX
1998 && s
->first_glyph
->left_box_line_p
)
1999 x
= s
->x
+ abs (s
->face
->box_line_width
);
2003 /* If there is a margin around the image, adjust x- and y-position
2005 x
+= s
->img
->hmargin
;
2006 y
+= s
->img
->vmargin
;
2008 if (s
->hl
== DRAW_IMAGE_SUNKEN
2009 || s
->hl
== DRAW_IMAGE_RAISED
)
2011 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2012 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2016 thick
= abs (s
->img
->relief
);
2017 raised_p
= s
->img
->relief
> 0;
2022 x1
= x
+ s
->img
->width
+ thick
- 1;
2023 y1
= y
+ s
->img
->height
+ thick
- 1;
2025 x_setup_relief_colors (s
);
2026 get_glyph_string_clip_rect (s
, &r
);
2027 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
, 1, 1, &r
);
2031 /* Draw the foreground of image glyph string S to PIXMAP. */
2034 w32_draw_image_foreground_1 (s
, pixmap
)
2035 struct glyph_string
*s
;
2038 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2039 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2041 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
);
2043 /* If first glyph of S has a left box line, start drawing it to the
2044 right of that line. */
2045 if (s
->face
->box
!= FACE_NO_BOX
2046 && s
->first_glyph
->left_box_line_p
)
2047 x
= abs (s
->face
->box_line_width
);
2051 /* If there is a margin around the image, adjust x- and y-position
2053 x
+= s
->img
->hmargin
;
2054 y
+= s
->img
->vmargin
;
2058 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2059 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2060 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2061 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2065 HDC mask_dc
= CreateCompatibleDC (hdc
);
2066 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2068 SetTextColor (hdc
, RGB (0, 0, 0));
2069 SetBkColor (hdc
, RGB (255, 255, 255));
2070 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2071 compat_hdc
, 0, 0, SRCINVERT
);
2072 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2073 mask_dc
, 0, 0, SRCAND
);
2074 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2075 compat_hdc
, 0, 0, SRCINVERT
);
2077 SelectObject (mask_dc
, mask_orig_obj
);
2082 SetTextColor (hdc
, s
->gc
->foreground
);
2083 SetBkColor (hdc
, s
->gc
->background
);
2085 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2086 compat_hdc
, 0, 0, SRCCOPY
);
2088 /* When the image has a mask, we can expect that at
2089 least part of a mouse highlight or a block cursor will
2090 be visible. If the image doesn't have a mask, make
2091 a block cursor visible by drawing a rectangle around
2092 the image. I believe it's looking better if we do
2093 nothing here for mouse-face. */
2094 if (s
->hl
== DRAW_CURSOR
)
2096 int r
= s
->img
->relief
;
2098 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2099 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
2103 SelectObject (hdc
, orig_brush
);
2104 DeleteObject (fg_brush
);
2105 SelectObject (compat_hdc
, orig_obj
);
2106 DeleteDC (compat_hdc
);
2109 w32_draw_rectangle (hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
2110 s
->img
->height
- 1);
2112 SelectObject (hdc
, orig_hdc_obj
);
2117 /* Draw part of the background of glyph string S. X, Y, W, and H
2118 give the rectangle to draw. */
2121 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2122 struct glyph_string
*s
;
2125 #if 0 /* TODO: stipple */
2128 /* Fill background with a stipple pattern. */
2129 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2130 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2131 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2135 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2139 /* Draw image glyph string S.
2142 s->x +-------------------------
2145 | +-------------------------
2148 | | +-------------------
2154 x_draw_image_glyph_string (s
)
2155 struct glyph_string
*s
;
2158 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2159 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2163 height
= s
->height
- 2 * box_line_vwidth
;
2165 /* Fill background with face under the image. Do it only if row is
2166 taller than image or if image has a clip mask to reduce
2168 s
->stippled_p
= s
->face
->stipple
!= 0;
2169 if (height
> s
->img
->height
2173 || s
->img
->pixmap
== 0
2174 || s
->width
!= s
->background_width
)
2176 if (box_line_hwidth
&& s
->first_glyph
->left_box_line_p
)
2177 x
= s
->x
+ box_line_hwidth
;
2181 y
= s
->y
+ box_line_vwidth
;
2182 #if 0 /* TODO: figure out if we need to do this on Windows. */
2185 /* Create a pixmap as large as the glyph string. Fill it
2186 with the background color. Copy the image to it, using
2187 its mask. Copy the temporary pixmap to the display. */
2188 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2189 int depth
= DefaultDepthOfScreen (screen
);
2191 /* Create a pixmap as large as the glyph string. */
2192 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2193 s
->background_width
,
2196 /* Don't clip in the following because we're working on the
2198 XSetClipMask (s
->display
, s
->gc
, None
);
2200 /* Fill the pixmap with the background color/stipple. */
2203 /* Fill background with a stipple pattern. */
2204 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2205 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2206 0, 0, s
->background_width
, s
->height
);
2207 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2212 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2214 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2215 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2216 0, 0, s
->background_width
, s
->height
);
2217 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2222 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2224 s
->background_filled_p
= 1;
2227 /* Draw the foreground. */
2230 w32_draw_image_foreground_1 (s
, pixmap
);
2231 x_set_glyph_string_clipping (s
);
2233 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2234 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2235 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2236 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2238 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2239 SetBkColor (s
->hdc
, s
->gc
->background
);
2240 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2241 compat_hdc
, 0, 0, SRCCOPY
);
2243 SelectObject (s
->hdc
, orig_brush
);
2244 DeleteObject (fg_brush
);
2245 SelectObject (compat_hdc
, orig_obj
);
2246 DeleteDC (compat_hdc
);
2248 DeleteObject (pixmap
);
2252 x_draw_image_foreground (s
);
2254 /* If we must draw a relief around the image, do it. */
2256 || s
->hl
== DRAW_IMAGE_RAISED
2257 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2258 x_draw_image_relief (s
);
2262 /* Draw stretch glyph string S. */
2265 x_draw_stretch_glyph_string (s
)
2266 struct glyph_string
*s
;
2268 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2269 s
->stippled_p
= s
->face
->stipple
!= 0;
2271 if (s
->hl
== DRAW_CURSOR
2272 && !x_stretch_cursor_p
)
2274 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2275 as wide as the stretch glyph. */
2276 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2279 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2281 /* Clear rest using the GC of the original non-cursor face. */
2282 if (width
< s
->background_width
)
2284 XGCValues
*gc
= s
->face
->gc
;
2285 int x
= s
->x
+ width
, y
= s
->y
;
2286 int w
= s
->background_width
- width
, h
= s
->height
;
2290 if (s
->row
->mouse_face_p
2291 && cursor_in_mouse_face_p (s
->w
))
2293 x_set_mouse_face_gc (s
);
2299 get_glyph_string_clip_rect (s
, &r
);
2300 w32_set_clip_rectangle (hdc
, &r
);
2302 #if 0 /* TODO: stipple */
2303 if (s
->face
->stipple
)
2305 /* Fill background with a stipple pattern. */
2306 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2307 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2308 XSetFillStyle (s
->display
, gc
, FillSolid
);
2313 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2317 else if (!s
->background_filled_p
)
2318 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2321 s
->background_filled_p
= 1;
2325 /* Draw glyph string S. */
2328 x_draw_glyph_string (s
)
2329 struct glyph_string
*s
;
2331 int relief_drawn_p
= 0;
2333 /* If S draws into the background of its successor, draw the
2334 background of the successor first so that S can draw into it.
2335 This makes S->next use XDrawString instead of XDrawImageString. */
2336 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2338 xassert (s
->next
->img
== NULL
);
2339 x_set_glyph_string_gc (s
->next
);
2340 x_set_glyph_string_clipping (s
->next
);
2341 x_draw_glyph_string_background (s
->next
, 1);
2344 /* Set up S->gc, set clipping and draw S. */
2345 x_set_glyph_string_gc (s
);
2347 /* Draw relief (if any) in advance for char/composition so that the
2348 glyph string can be drawn over it. */
2349 if (!s
->for_overlaps_p
2350 && s
->face
->box
!= FACE_NO_BOX
2351 && (s
->first_glyph
->type
== CHAR_GLYPH
2352 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2355 x_set_glyph_string_clipping (s
);
2356 x_draw_glyph_string_background (s
, 1);
2357 x_draw_glyph_string_box (s
);
2358 x_set_glyph_string_clipping (s
);
2362 x_set_glyph_string_clipping (s
);
2364 switch (s
->first_glyph
->type
)
2367 x_draw_image_glyph_string (s
);
2371 x_draw_stretch_glyph_string (s
);
2375 if (s
->for_overlaps_p
)
2376 s
->background_filled_p
= 1;
2378 x_draw_glyph_string_background (s
, 0);
2379 x_draw_glyph_string_foreground (s
);
2382 case COMPOSITE_GLYPH
:
2383 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2384 s
->background_filled_p
= 1;
2386 x_draw_glyph_string_background (s
, 1);
2387 x_draw_composite_glyph_string_foreground (s
);
2394 if (!s
->for_overlaps_p
)
2396 /* Draw underline. */
2397 if (s
->face
->underline_p
2398 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2400 unsigned long h
= 1;
2401 unsigned long dy
= s
->height
- h
;
2403 /* TODO: Use font information for positioning and thickness
2404 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
2405 if (s
->face
->underline_defaulted_p
)
2407 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2408 s
->y
+ dy
, s
->width
, 1);
2412 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2413 s
->y
+ dy
, s
->width
, 1);
2417 /* Draw overline. */
2418 if (s
->face
->overline_p
)
2420 unsigned long dy
= 0, h
= 1;
2422 if (s
->face
->overline_color_defaulted_p
)
2424 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2425 s
->y
+ dy
, s
->width
, h
);
2429 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2430 s
->y
+ dy
, s
->width
, h
);
2434 /* Draw strike-through. */
2435 if (s
->face
->strike_through_p
2436 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2438 unsigned long h
= 1;
2439 unsigned long dy
= (s
->height
- h
) / 2;
2441 if (s
->face
->strike_through_color_defaulted_p
)
2443 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2448 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2449 s
->y
+ dy
, s
->width
, h
);
2454 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2455 x_draw_glyph_string_box (s
);
2458 /* Reset clipping. */
2459 w32_set_clip_rectangle (s
->hdc
, NULL
);
2463 /* Shift display to make room for inserted glyphs. */
2466 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2468 int x
, y
, width
, height
, shift_by
;
2472 hdc
= get_frame_dc (f
);
2473 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2474 hdc
, x
, y
, SRCCOPY
);
2476 release_frame_dc (f
, hdc
);
2480 /* Delete N glyphs at the nominal cursor position. Not implemented
2492 f
= SELECTED_FRAME ();
2494 if (! FRAME_W32_P (f
))
2501 /* Clear entire frame. If updating_frame is non-null, clear that
2502 frame. Otherwise clear the selected frame. */
2512 f
= SELECTED_FRAME ();
2514 if (! FRAME_W32_P (f
))
2517 /* Clearing the frame will erase any cursor, so mark them all as no
2519 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2520 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2521 output_cursor
.x
= -1;
2523 /* We don't set the output cursor here because there will always
2524 follow an explicit cursor_to. */
2527 w32_clear_window (f
);
2529 /* We have to clear the scroll bars, too. If we have changed
2530 colors or something like that, then they should be notified. */
2531 x_scroll_bar_clear (f
);
2537 /* Make audible bell. */
2540 w32_ring_bell (void)
2544 f
= SELECTED_FRAME ();
2548 if (FRAME_W32_P (f
) && visible_bell
)
2551 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2553 for (i
= 0; i
< 5; i
++)
2555 FlashWindow (hwnd
, TRUE
);
2558 FlashWindow (hwnd
, FALSE
);
2561 w32_sys_ring_bell ();
2567 /* Specify how many text lines, from the top of the window,
2568 should be affected by insert-lines and delete-lines operations.
2569 This, and those operations, are used only within an update
2570 that is bounded by calls to x_update_begin and x_update_end. */
2573 w32_set_terminal_window (n
)
2576 /* This function intentionally left blank. */
2580 /***********************************************************************
2582 ***********************************************************************/
2584 /* Perform an insert-lines or delete-lines operation, inserting N
2585 lines or deleting -N lines at vertical position VPOS. */
2588 x_ins_del_lines (vpos
, n
)
2596 f
= SELECTED_FRAME ();
2598 if (! FRAME_W32_P (f
))
2605 /* Scroll part of the display as described by RUN. */
2608 x_scroll_run (w
, run
)
2612 struct frame
*f
= XFRAME (w
->frame
);
2613 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2614 HWND hwnd
= FRAME_W32_WINDOW (f
);
2617 /* Get frame-relative bounding box of the text display area of W,
2618 without mode lines. Include in this box the left and right
2620 window_box (w
, -1, &x
, &y
, &width
, &height
);
2622 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2623 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2624 bottom_y
= y
+ height
;
2628 /* Scrolling up. Make sure we don't copy part of the mode
2629 line at the bottom. */
2630 if (from_y
+ run
->height
> bottom_y
)
2631 height
= bottom_y
- from_y
;
2633 height
= run
->height
;
2634 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2638 /* Scolling down. Make sure we don't copy over the mode line.
2640 if (to_y
+ run
->height
> bottom_y
)
2641 height
= bottom_y
- to_y
;
2643 height
= run
->height
;
2644 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2649 /* Cursor off. Will be switched on again in x_update_window_end. */
2656 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2657 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2659 from
.left
= to
.left
= x
;
2660 from
.right
= to
.right
= x
+ width
;
2662 from
.bottom
= from_y
+ height
;
2664 to
.bottom
= bottom_y
;
2666 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2667 NULL
, SW_INVALIDATE
);
2669 /* Combine this with what we expect to be dirty. This covers the
2670 case where not all of the region we expect is actually dirty. */
2671 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2673 /* If the dirty region is not what we expected, redraw the entire frame. */
2674 if (!EqualRgn (combined
, expect_dirty
))
2675 SET_FRAME_GARBAGED (f
);
2683 /***********************************************************************
2685 ***********************************************************************/
2691 x_update_cursor (f
, 1);
2695 frame_unhighlight (f
)
2698 x_update_cursor (f
, 1);
2701 /* The focus has changed. Update the frames as necessary to reflect
2702 the new situation. Note that we can't change the selected frame
2703 here, because the Lisp code we are interrupting might become confused.
2704 Each event gets marked with the frame in which it occurred, so the
2705 Lisp code can tell when the switch took place by examining the events. */
2708 x_new_focus_frame (dpyinfo
, frame
)
2709 struct w32_display_info
*dpyinfo
;
2710 struct frame
*frame
;
2712 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2714 if (frame
!= dpyinfo
->w32_focus_frame
)
2716 /* Set this before calling other routines, so that they see
2717 the correct value of w32_focus_frame. */
2718 dpyinfo
->w32_focus_frame
= frame
;
2720 if (old_focus
&& old_focus
->auto_lower
)
2721 x_lower_frame (old_focus
);
2731 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2732 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2734 pending_autoraise_frame
= 0;
2737 x_frame_rehighlight (dpyinfo
);
2740 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2743 x_mouse_leave (dpyinfo
)
2744 struct w32_display_info
*dpyinfo
;
2746 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2749 /* The focus has changed, or we have redirected a frame's focus to
2750 another frame (this happens when a frame uses a surrogate
2751 mini-buffer frame). Shift the highlight as appropriate.
2753 The FRAME argument doesn't necessarily have anything to do with which
2754 frame is being highlighted or un-highlighted; we only use it to find
2755 the appropriate X display info. */
2758 w32_frame_rehighlight (frame
)
2759 struct frame
*frame
;
2761 if (! FRAME_W32_P (frame
))
2763 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2767 x_frame_rehighlight (dpyinfo
)
2768 struct w32_display_info
*dpyinfo
;
2770 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2772 if (dpyinfo
->w32_focus_frame
)
2774 dpyinfo
->x_highlight_frame
2775 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2776 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2777 : dpyinfo
->w32_focus_frame
);
2778 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2780 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2781 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2785 dpyinfo
->x_highlight_frame
= 0;
2787 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2790 frame_unhighlight (old_highlight
);
2791 if (dpyinfo
->x_highlight_frame
)
2792 frame_highlight (dpyinfo
->x_highlight_frame
);
2796 /* Keyboard processing - modifier keys, etc. */
2798 /* Convert a keysym to its name. */
2801 x_get_keysym_name (keysym
)
2804 /* Make static so we can always return it */
2805 static char value
[100];
2808 GetKeyNameText (keysym
, value
, 100);
2816 /* Mouse clicks and mouse movement. Rah. */
2818 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2819 the state in PUP. XBUTTON provides extra information for extended mouse
2820 button messages. Returns FALSE if unable to parse the message. */
2822 parse_button (message
, xbutton
, pbutton
, pup
)
2833 case WM_LBUTTONDOWN
:
2841 case WM_MBUTTONDOWN
:
2842 if (NILP (Vw32_swap_mouse_buttons
))
2849 if (NILP (Vw32_swap_mouse_buttons
))
2855 case WM_RBUTTONDOWN
:
2856 if (NILP (Vw32_swap_mouse_buttons
))
2863 if (NILP (Vw32_swap_mouse_buttons
))
2869 case WM_XBUTTONDOWN
:
2870 button
= xbutton
+ 2;
2874 button
= xbutton
+ 2;
2882 if (pbutton
) *pbutton
= button
;
2888 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2890 If the event is a button press, then note that we have grabbed
2894 construct_mouse_click (result
, msg
, f
)
2895 struct input_event
*result
;
2902 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2905 /* Make the event type NO_EVENT; we'll change that when we decide
2907 result
->kind
= MOUSE_CLICK_EVENT
;
2908 result
->code
= button
;
2909 result
->timestamp
= msg
->msg
.time
;
2910 result
->modifiers
= (msg
->dwModifiers
2915 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2916 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2917 XSETFRAME (result
->frame_or_window
, f
);
2923 construct_mouse_wheel (result
, msg
, f
)
2924 struct input_event
*result
;
2931 result
->kind
= WHEEL_EVENT
;
2933 result
->timestamp
= msg
->msg
.time
;
2935 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2936 forward, away from the user (up); a negative value indicates that
2937 the wheel was rotated backward, toward the user (down). */
2938 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
2940 /* The up and down modifiers indicate if the wheel was rotated up or
2941 down based on WHEEL_DELTA value. */
2942 result
->modifiers
= (msg
->dwModifiers
2943 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
2945 p
.x
= LOWORD (msg
->msg
.lParam
);
2946 p
.y
= HIWORD (msg
->msg
.lParam
);
2947 ScreenToClient (msg
->msg
.hwnd
, &p
);
2948 XSETINT (result
->x
, p
.x
);
2949 XSETINT (result
->y
, p
.y
);
2950 XSETFRAME (result
->frame_or_window
, f
);
2956 construct_drag_n_drop (result
, msg
, f
)
2957 struct input_event
*result
;
2969 result
->kind
= DRAG_N_DROP_EVENT
;
2971 result
->timestamp
= msg
->msg
.time
;
2972 result
->modifiers
= msg
->dwModifiers
;
2974 hdrop
= (HDROP
) msg
->msg
.wParam
;
2975 DragQueryPoint (hdrop
, &p
);
2978 p
.x
= LOWORD (msg
->msg
.lParam
);
2979 p
.y
= HIWORD (msg
->msg
.lParam
);
2980 ScreenToClient (msg
->msg
.hwnd
, &p
);
2983 XSETINT (result
->x
, p
.x
);
2984 XSETINT (result
->y
, p
.y
);
2986 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
2989 for (i
= 0; i
< num_files
; i
++)
2991 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
2994 name
= alloca (len
+ 1);
2995 DragQueryFile (hdrop
, i
, name
, len
+ 1);
2996 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3001 XSETFRAME (frame
, f
);
3002 result
->frame_or_window
= Fcons (frame
, files
);
3008 /* Function to report a mouse movement to the mainstream Emacs code.
3009 The input handler calls this.
3011 We have received a mouse movement event, which is given in *event.
3012 If the mouse is over a different glyph than it was last time, tell
3013 the mainstream emacs code by setting mouse_moved. If not, ask for
3014 another motion event, so we can check again the next time it moves. */
3016 static MSG last_mouse_motion_event
;
3017 static Lisp_Object last_mouse_motion_frame
;
3019 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3022 note_mouse_movement (frame
, msg
)
3026 int mouse_x
= LOWORD (msg
->lParam
);
3027 int mouse_y
= HIWORD (msg
->lParam
);
3029 last_mouse_movement_time
= msg
->time
;
3030 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3031 XSETFRAME (last_mouse_motion_frame
, frame
);
3033 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3035 frame
->mouse_moved
= 1;
3036 last_mouse_scroll_bar
= Qnil
;
3037 note_mouse_highlight (frame
, -1, -1);
3040 /* Has the mouse moved off the glyph it was on at the last sighting? */
3041 else if (mouse_x
< last_mouse_glyph
.left
3042 || mouse_x
> last_mouse_glyph
.right
3043 || mouse_y
< last_mouse_glyph
.top
3044 || mouse_y
> last_mouse_glyph
.bottom
)
3046 frame
->mouse_moved
= 1;
3047 last_mouse_scroll_bar
= Qnil
;
3048 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3049 /* Remember the mouse position here, as w32_mouse_position only
3050 gets called when mouse tracking is enabled but we also need
3051 to keep track of the mouse for help_echo and highlighting at
3053 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3058 /************************************************************************
3060 ************************************************************************/
3062 static struct scroll_bar
*x_window_to_scroll_bar ();
3063 static void x_scroll_bar_report_motion ();
3064 static void x_check_fullscreen
P_ ((struct frame
*));
3065 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3069 redo_mouse_highlight ()
3071 if (!NILP (last_mouse_motion_frame
)
3072 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3073 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3074 LOWORD (last_mouse_motion_event
.lParam
),
3075 HIWORD (last_mouse_motion_event
.lParam
));
3079 w32_define_cursor (window
, cursor
)
3083 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3086 /* Try to determine frame pixel position and size of the glyph under
3087 frame pixel coordinates X/Y on frame F . Return the position and
3088 size in *RECT. Value is non-zero if we could compute these
3092 glyph_rect (f
, x
, y
, rect
)
3099 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3103 struct window
*w
= XWINDOW (window
);
3104 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3105 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3107 for (; r
< end
&& r
->enabled_p
; ++r
)
3108 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3110 /* Found the row at y. */
3111 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3112 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3115 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3116 rect
->bottom
= rect
->top
+ r
->height
;
3120 /* x is to the left of the first glyph in the row. */
3121 /* Shouldn't this be a pixel value?
3122 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3124 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3125 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3129 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3130 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3132 /* x is on a glyph. */
3133 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3134 rect
->right
= rect
->left
+ g
->pixel_width
;
3138 /* x is to the right of the last glyph in the row. */
3139 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3140 /* Shouldn't this be a pixel value?
3141 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3143 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3148 /* The y is not on any row. */
3152 /* Record the position of the mouse in last_mouse_glyph. */
3154 remember_mouse_glyph (f1
, gx
, gy
)
3158 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3160 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3161 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3163 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3164 round down even for negative values. */
3170 /* This was the original code from XTmouse_position, but it seems
3171 to give the position of the glyph diagonally next to the one
3172 the mouse is over. */
3173 gx
= (gx
+ width
- 1) / width
* width
;
3174 gy
= (gy
+ height
- 1) / height
* height
;
3176 gx
= gx
/ width
* width
;
3177 gy
= gy
/ height
* height
;
3180 last_mouse_glyph
.left
= gx
;
3181 last_mouse_glyph
.top
= gy
;
3182 last_mouse_glyph
.right
= gx
+ width
;
3183 last_mouse_glyph
.bottom
= gy
+ height
;
3187 /* Return the current position of the mouse.
3188 *fp should be a frame which indicates which display to ask about.
3190 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3191 and *part to the frame, window, and scroll bar part that the mouse
3192 is over. Set *x and *y to the portion and whole of the mouse's
3193 position on the scroll bar.
3195 If the mouse movement started elsewhere, set *fp to the frame the
3196 mouse is on, *bar_window to nil, and *x and *y to the character cell
3199 Set *time to the server time-stamp for the time at which the mouse
3200 was at this position.
3202 Don't store anything if we don't have a valid set of values to report.
3204 This clears the mouse_moved flag, so we can wait for the next mouse
3208 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3211 Lisp_Object
*bar_window
;
3212 enum scroll_bar_part
*part
;
3214 unsigned long *time
;
3220 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3221 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3226 Lisp_Object frame
, tail
;
3228 /* Clear the mouse-moved flag for every frame on this display. */
3229 FOR_EACH_FRAME (tail
, frame
)
3230 XFRAME (frame
)->mouse_moved
= 0;
3232 last_mouse_scroll_bar
= Qnil
;
3236 /* Now we have a position on the root; find the innermost window
3237 containing the pointer. */
3239 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3240 && FRAME_LIVE_P (last_mouse_frame
))
3242 /* If mouse was grabbed on a frame, give coords for that frame
3243 even if the mouse is now outside it. */
3244 f1
= last_mouse_frame
;
3248 /* Is window under mouse one of our frames? */
3249 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3250 WindowFromPoint (pt
));
3253 /* If not, is it one of our scroll bars? */
3256 struct scroll_bar
*bar
3257 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3261 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3265 if (f1
== 0 && insist
> 0)
3266 f1
= SELECTED_FRAME ();
3270 /* Ok, we found a frame. Store all the values.
3271 last_mouse_glyph is a rectangle used to reduce the
3272 generation of mouse events. To not miss any motion
3273 events, we must divide the frame into rectangles of the
3274 size of the smallest character that could be displayed
3275 on it, i.e. into the same rectangles that matrices on
3276 the frame are divided into. */
3278 #if OLD_REDISPLAY_CODE
3279 int ignore1
, ignore2
;
3281 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3283 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3285 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3288 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3289 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3297 *time
= last_mouse_movement_time
;
3306 /***********************************************************************
3308 ***********************************************************************/
3310 /* Handle mouse button event on the tool-bar of frame F, at
3311 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3315 w32_handle_tool_bar_click (f
, button_event
)
3317 struct input_event
*button_event
;
3319 int x
= XFASTINT (button_event
->x
);
3320 int y
= XFASTINT (button_event
->y
);
3322 if (button_event
->modifiers
& down_modifier
)
3323 handle_tool_bar_click (f
, x
, y
, 1, 0);
3325 handle_tool_bar_click (f
, x
, y
, 0,
3326 button_event
->modifiers
& ~up_modifier
);
3331 /***********************************************************************
3333 ***********************************************************************/
3335 /* Scroll bar support. */
3337 /* Given a window ID, find the struct scroll_bar which manages it.
3338 This can be called in GC, so we have to make sure to strip off mark
3341 static struct scroll_bar
*
3342 x_window_to_scroll_bar (window_id
)
3347 for (tail
= Vframe_list
;
3348 XGCTYPE (tail
) == Lisp_Cons
;
3351 Lisp_Object frame
, bar
, condemned
;
3353 frame
= XCAR (tail
);
3354 /* All elements of Vframe_list should be frames. */
3355 if (! GC_FRAMEP (frame
))
3358 /* Scan this frame's scroll bar list for a scroll bar with the
3360 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3361 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3362 /* This trick allows us to search both the ordinary and
3363 condemned scroll bar lists with one loop. */
3364 ! GC_NILP (bar
) || (bar
= condemned
,
3367 bar
= XSCROLL_BAR (bar
)->next
)
3368 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3369 return XSCROLL_BAR (bar
);
3377 /* Set the thumb size and position of scroll bar BAR. We are currently
3378 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3381 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3382 struct scroll_bar
*bar
;
3383 int portion
, position
, whole
;
3385 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3386 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3387 int sb_page
, sb_pos
;
3388 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3392 /* Position scroll bar at rock bottom if the bottom of the
3393 buffer is visible. This avoids shinking the thumb away
3394 to nothing if it is held at the bottom of the buffer. */
3395 if (position
+ portion
>= whole
)
3397 sb_page
= range
* (whole
- position
) / whole
3398 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3402 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3403 sb_pos
= position
* range
/ whole
;
3413 if (pfnSetScrollInfo
)
3417 si
.cbSize
= sizeof (si
);
3418 /* Only update page size if currently dragging, to reduce
3421 si
.fMask
= SIF_PAGE
;
3423 si
.fMask
= SIF_PAGE
| SIF_POS
;
3427 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3430 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3436 /************************************************************************
3437 Scroll bars, general
3438 ************************************************************************/
3441 my_create_scrollbar (f
, bar
)
3443 struct scroll_bar
* bar
;
3445 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3446 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3450 /*#define ATTACH_THREADS*/
3453 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3455 #ifndef ATTACH_THREADS
3456 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3457 (WPARAM
) hwnd
, (LPARAM
) how
);
3459 return ShowWindow (hwnd
, how
);
3464 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3465 int x
, int y
, int cx
, int cy
, UINT flags
)
3467 #ifndef ATTACH_THREADS
3469 pos
.hwndInsertAfter
= hwndAfter
;
3475 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3477 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3482 my_set_focus (f
, hwnd
)
3486 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3491 my_set_foreground_window (hwnd
)
3494 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3498 my_destroy_window (f
, hwnd
)
3502 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3506 /* Create a scroll bar and return the scroll bar vector for it. W is
3507 the Emacs window on which to create the scroll bar. TOP, LEFT,
3508 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3511 static struct scroll_bar
*
3512 x_scroll_bar_create (w
, top
, left
, width
, height
)
3514 int top
, left
, width
, height
;
3516 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3518 struct scroll_bar
*bar
3519 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3523 XSETWINDOW (bar
->window
, w
);
3524 XSETINT (bar
->top
, top
);
3525 XSETINT (bar
->left
, left
);
3526 XSETINT (bar
->width
, width
);
3527 XSETINT (bar
->height
, height
);
3528 XSETINT (bar
->start
, 0);
3529 XSETINT (bar
->end
, 0);
3530 bar
->dragging
= Qnil
;
3532 /* Requires geometry to be set before call to create the real window */
3534 hwnd
= my_create_scrollbar (f
, bar
);
3536 if (pfnSetScrollInfo
)
3540 si
.cbSize
= sizeof (si
);
3543 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3544 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3548 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3552 SetScrollRange (hwnd
, SB_CTL
, 0,
3553 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3554 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3557 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3559 /* Add bar to its frame's list of scroll bars. */
3560 bar
->next
= FRAME_SCROLL_BARS (f
);
3562 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3563 if (! NILP (bar
->next
))
3564 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3572 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3576 x_scroll_bar_remove (bar
)
3577 struct scroll_bar
*bar
;
3579 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3583 /* Destroy the window. */
3584 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3586 /* Disassociate this scroll bar from its window. */
3587 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3592 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3593 that we are displaying PORTION characters out of a total of WHOLE
3594 characters, starting at POSITION. If WINDOW has no scroll bar,
3597 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3599 int portion
, whole
, position
;
3601 struct frame
*f
= XFRAME (w
->frame
);
3602 struct scroll_bar
*bar
;
3603 int top
, height
, left
, sb_left
, width
, sb_width
;
3604 int window_y
, window_height
;
3606 /* Get window dimensions. */
3607 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3609 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3610 height
= window_height
;
3612 /* Compute the left edge of the scroll bar area. */
3613 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3615 /* Compute the width of the scroll bar which might be less than
3616 the width of the area reserved for the scroll bar. */
3617 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3618 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3622 /* Compute the left edge of the scroll bar. */
3623 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3624 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3626 sb_left
= left
+ (width
- sb_width
) / 2;
3628 /* Does the scroll bar exist yet? */
3629 if (NILP (w
->vertical_scroll_bar
))
3633 if (width
> 0 && height
> 0)
3635 hdc
= get_frame_dc (f
);
3636 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3637 release_frame_dc (f
, hdc
);
3641 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3645 /* It may just need to be moved and resized. */
3648 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3649 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3651 /* If already correctly positioned, do nothing. */
3652 if ( XINT (bar
->left
) == sb_left
3653 && XINT (bar
->top
) == top
3654 && XINT (bar
->width
) == sb_width
3655 && XINT (bar
->height
) == height
)
3657 /* Redraw after clear_frame. */
3658 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3659 InvalidateRect (hwnd
, NULL
, FALSE
);
3665 if (width
&& height
)
3667 hdc
= get_frame_dc (f
);
3668 /* Since Windows scroll bars are smaller than the space reserved
3669 for them on the frame, we have to clear "under" them. */
3670 w32_clear_area (f
, hdc
,
3675 release_frame_dc (f
, hdc
);
3677 /* Make sure scroll bar is "visible" before moving, to ensure the
3678 area of the parent window now exposed will be refreshed. */
3679 my_show_window (f
, hwnd
, SW_HIDE
);
3680 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3681 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3682 max (height
, 1), TRUE
);
3683 if (pfnSetScrollInfo
)
3687 si
.cbSize
= sizeof (si
);
3688 si
.fMask
= SIF_RANGE
;
3690 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3691 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3693 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3696 SetScrollRange (hwnd
, SB_CTL
, 0,
3697 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3698 my_show_window (f
, hwnd
, SW_NORMAL
);
3699 /* InvalidateRect (w, NULL, FALSE); */
3701 /* Remember new settings. */
3702 XSETINT (bar
->left
, sb_left
);
3703 XSETINT (bar
->top
, top
);
3704 XSETINT (bar
->width
, sb_width
);
3705 XSETINT (bar
->height
, height
);
3710 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3712 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3716 /* The following three hooks are used when we're doing a thorough
3717 redisplay of the frame. We don't explicitly know which scroll bars
3718 are going to be deleted, because keeping track of when windows go
3719 away is a real pain - "Can you say set-window-configuration, boys
3720 and girls?" Instead, we just assert at the beginning of redisplay
3721 that *all* scroll bars are to be removed, and then save a scroll bar
3722 from the fiery pit when we actually redisplay its window. */
3724 /* Arrange for all scroll bars on FRAME to be removed at the next call
3725 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3726 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3729 w32_condemn_scroll_bars (frame
)
3732 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3733 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3736 bar
= FRAME_SCROLL_BARS (frame
);
3737 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3738 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3739 XSCROLL_BAR (bar
)->prev
= Qnil
;
3740 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3741 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3742 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3747 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3748 Note that WINDOW isn't necessarily condemned at all. */
3751 w32_redeem_scroll_bar (window
)
3752 struct window
*window
;
3754 struct scroll_bar
*bar
;
3757 /* We can't redeem this window's scroll bar if it doesn't have one. */
3758 if (NILP (window
->vertical_scroll_bar
))
3761 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3763 /* Unlink it from the condemned list. */
3764 f
= XFRAME (WINDOW_FRAME (window
));
3765 if (NILP (bar
->prev
))
3767 /* If the prev pointer is nil, it must be the first in one of
3769 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3770 /* It's not condemned. Everything's fine. */
3772 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3773 window
->vertical_scroll_bar
))
3774 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3776 /* If its prev pointer is nil, it must be at the front of
3777 one or the other! */
3781 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3783 if (! NILP (bar
->next
))
3784 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3786 bar
->next
= FRAME_SCROLL_BARS (f
);
3788 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3789 if (! NILP (bar
->next
))
3790 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3793 /* Remove all scroll bars on FRAME that haven't been saved since the
3794 last call to `*condemn_scroll_bars_hook'. */
3797 w32_judge_scroll_bars (f
)
3800 Lisp_Object bar
, next
;
3802 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3804 /* Clear out the condemned list now so we won't try to process any
3805 more events on the hapless scroll bars. */
3806 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3808 for (; ! NILP (bar
); bar
= next
)
3810 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3812 x_scroll_bar_remove (b
);
3815 b
->next
= b
->prev
= Qnil
;
3818 /* Now there should be no references to the condemned scroll bars,
3819 and they should get garbage-collected. */
3822 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3823 is set to something other than NO_EVENT, it is enqueued.
3825 This may be called from a signal handler, so we have to ignore GC
3829 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3830 struct scroll_bar
*bar
;
3832 struct input_event
*emacs_event
;
3834 if (! GC_WINDOWP (bar
->window
))
3837 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3838 emacs_event
->code
= 0;
3839 /* not really meaningful to distinguish up/down */
3840 emacs_event
->modifiers
= msg
->dwModifiers
;
3841 emacs_event
->frame_or_window
= bar
->window
;
3842 emacs_event
->arg
= Qnil
;
3843 emacs_event
->timestamp
= msg
->msg
.time
;
3846 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3848 int dragging
= !NILP (bar
->dragging
);
3850 if (pfnGetScrollInfo
)
3854 si
.cbSize
= sizeof (si
);
3857 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3861 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3863 bar
->dragging
= Qnil
;
3866 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3868 switch (LOWORD (msg
->msg
.wParam
))
3871 emacs_event
->part
= scroll_bar_down_arrow
;
3874 emacs_event
->part
= scroll_bar_up_arrow
;
3877 emacs_event
->part
= scroll_bar_above_handle
;
3880 emacs_event
->part
= scroll_bar_below_handle
;
3883 emacs_event
->part
= scroll_bar_handle
;
3887 emacs_event
->part
= scroll_bar_handle
;
3891 case SB_THUMBPOSITION
:
3892 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3893 y
= HIWORD (msg
->msg
.wParam
);
3895 emacs_event
->part
= scroll_bar_handle
;
3897 /* "Silently" update current position. */
3898 if (pfnSetScrollInfo
)
3902 si
.cbSize
= sizeof (si
);
3905 /* Remember apparent position (we actually lag behind the real
3906 position, so don't set that directly. */
3907 last_scroll_bar_drag_pos
= y
;
3909 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3912 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3915 /* If this is the end of a drag sequence, then reset the scroll
3916 handle size to normal and do a final redraw. Otherwise do
3920 if (pfnSetScrollInfo
)
3923 int start
= XINT (bar
->start
);
3924 int end
= XINT (bar
->end
);
3926 si
.cbSize
= sizeof (si
);
3927 si
.fMask
= SIF_PAGE
| SIF_POS
;
3928 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3929 si
.nPos
= last_scroll_bar_drag_pos
;
3930 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3933 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
3937 emacs_event
->kind
= NO_EVENT
;
3941 XSETINT (emacs_event
->x
, y
);
3942 XSETINT (emacs_event
->y
, top_range
);
3948 /* Return information to the user about the current position of the mouse
3949 on the scroll bar. */
3952 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
3954 Lisp_Object
*bar_window
;
3955 enum scroll_bar_part
*part
;
3957 unsigned long *time
;
3959 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3960 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3961 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3963 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3968 *bar_window
= bar
->window
;
3970 if (pfnGetScrollInfo
)
3974 si
.cbSize
= sizeof (si
);
3975 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3977 pfnGetScrollInfo (w
, SB_CTL
, &si
);
3979 top_range
= si
.nMax
- si
.nPage
+ 1;
3982 pos
= GetScrollPos (w
, SB_CTL
);
3984 switch (LOWORD (last_mouse_scroll_bar_pos
))
3986 case SB_THUMBPOSITION
:
3988 *part
= scroll_bar_handle
;
3989 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3990 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3993 *part
= scroll_bar_handle
;
3997 *part
= scroll_bar_handle
;
4002 XSETINT (*y
, top_range
);
4005 last_mouse_scroll_bar
= Qnil
;
4007 *time
= last_mouse_movement_time
;
4013 /* The screen has been cleared so we may have changed foreground or
4014 background colors, and the scroll bars may need to be redrawn.
4015 Clear out the scroll bars, and ask for expose events, so we can
4019 x_scroll_bar_clear (f
)
4024 /* We can have scroll bars even if this is 0,
4025 if we just turned off scroll bar mode.
4026 But in that case we should not clear them. */
4027 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4028 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4029 bar
= XSCROLL_BAR (bar
)->next
)
4031 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4032 HDC hdc
= GetDC (window
);
4035 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4036 arranges to refresh the scroll bar if hidden. */
4037 my_show_window (f
, window
, SW_HIDE
);
4039 GetClientRect (window
, &rect
);
4040 select_palette (f
, hdc
);
4041 w32_clear_rect (f
, hdc
, &rect
);
4042 deselect_palette (f
, hdc
);
4044 ReleaseDC (window
, hdc
);
4049 /* The main W32 event-reading loop - w32_read_socket. */
4051 /* Record the last 100 characters stored
4052 to help debug the loss-of-chars-during-GC problem. */
4054 static int temp_index
;
4055 static short temp_buffer
[100];
4058 /* Read events coming from the W32 shell.
4059 This routine is called by the SIGIO handler.
4060 We return as soon as there are no more events to be read.
4062 Events representing keys are stored in buffer BUFP,
4063 which can hold up to NUMCHARS characters.
4064 We return the number of characters stored into the buffer,
4065 thus pretending to be `read'.
4067 EXPECTED is nonzero if the caller knows input is available.
4069 Some of these messages are reposted back to the message queue since the
4070 system calls the windows proc directly in a context where we cannot return
4071 the data nor can we guarantee the state we are in. So if we dispatch them
4072 we will get into an infinite loop. To prevent this from ever happening we
4073 will set a variable to indicate we are in the read_socket call and indicate
4074 which message we are processing since the windows proc gets called
4075 recursively with different messages by the system.
4079 w32_read_socket (sd
, bufp
, numchars
, expected
)
4081 /* register */ struct input_event
*bufp
;
4082 /* register */ int numchars
;
4086 int check_visibility
= 0;
4089 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4091 if (interrupt_input_blocked
)
4093 interrupt_input_pending
= 1;
4097 interrupt_input_pending
= 0;
4100 /* So people can tell when we have read the available input. */
4101 input_signal_count
++;
4104 abort (); /* Don't think this happens. */
4106 /* TODO: tool-bars, ghostscript integration, mouse
4108 while (get_next_msg (&msg
, FALSE
))
4110 switch (msg
.msg
.message
)
4113 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4117 if (msg
.rect
.right
== msg
.rect
.left
||
4118 msg
.rect
.bottom
== msg
.rect
.top
)
4120 /* We may get paint messages even though the client
4121 area is clipped - these are not expose events. */
4122 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4125 else if (f
->async_visible
!= 1)
4127 /* Definitely not obscured, so mark as visible. */
4128 f
->async_visible
= 1;
4129 f
->async_iconified
= 0;
4130 SET_FRAME_GARBAGED (f
);
4131 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4134 /* WM_PAINT serves as MapNotify as well, so report
4135 visibility changes properly. */
4138 bufp
->kind
= DEICONIFY_EVENT
;
4139 XSETFRAME (bufp
->frame_or_window
, f
);
4145 else if (! NILP (Vframe_list
)
4146 && ! NILP (XCDR (Vframe_list
)))
4147 /* Force a redisplay sooner or later to update the
4148 frame titles in case this is the second frame. */
4149 record_asynch_buffer_change ();
4153 HDC hdc
= get_frame_dc (f
);
4155 /* Erase background again for safety. */
4156 w32_clear_rect (f
, hdc
, &msg
.rect
);
4157 release_frame_dc (f
, hdc
);
4161 msg
.rect
.right
- msg
.rect
.left
,
4162 msg
.rect
.bottom
- msg
.rect
.top
);
4167 case WM_INPUTLANGCHANGE
:
4168 /* Generate a language change event. */
4169 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4176 bufp
->kind
= LANGUAGE_CHANGE_EVENT
;
4177 XSETFRAME (bufp
->frame_or_window
, f
);
4179 bufp
->code
= msg
.msg
.wParam
;
4180 bufp
->modifiers
= msg
.msg
.lParam
& 0xffff;
4189 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4191 if (f
&& !f
->iconified
)
4193 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4195 dpyinfo
->mouse_face_hidden
= 1;
4196 clear_mouse_face (dpyinfo
);
4199 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4201 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4202 bufp
->kind
= NON_ASCII_KEYSTROKE_EVENT
;
4203 bufp
->code
= msg
.msg
.wParam
;
4204 bufp
->modifiers
= msg
.dwModifiers
;
4205 XSETFRAME (bufp
->frame_or_window
, f
);
4207 bufp
->timestamp
= msg
.msg
.time
;
4216 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4218 if (f
&& !f
->iconified
)
4220 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4222 dpyinfo
->mouse_face_hidden
= 1;
4223 clear_mouse_face (dpyinfo
);
4226 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4228 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4229 bufp
->kind
= ASCII_KEYSTROKE_EVENT
;
4230 bufp
->code
= msg
.msg
.wParam
;
4231 bufp
->modifiers
= msg
.dwModifiers
;
4232 XSETFRAME (bufp
->frame_or_window
, f
);
4234 bufp
->timestamp
= msg
.msg
.time
;
4242 /* Ignore non-movement. */
4244 int x
= LOWORD (msg
.msg
.lParam
);
4245 int y
= HIWORD (msg
.msg
.lParam
);
4246 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4248 last_mousemove_x
= x
;
4249 last_mousemove_y
= y
;
4252 previous_help_echo_string
= help_echo_string
;
4254 if (dpyinfo
->grabbed
&& last_mouse_frame
4255 && FRAME_LIVE_P (last_mouse_frame
))
4256 f
= last_mouse_frame
;
4258 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4260 if (dpyinfo
->mouse_face_hidden
)
4262 dpyinfo
->mouse_face_hidden
= 0;
4263 clear_mouse_face (dpyinfo
);
4268 /* Generate SELECT_WINDOW_EVENTs when needed. */
4269 if (mouse_autoselect_window
)
4272 int x
= LOWORD (msg
.msg
.lParam
);
4273 int y
= HIWORD (msg
.msg
.lParam
);
4275 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4277 /* Window will be selected only when it is not
4278 selected now and last mouse movement event was
4279 not in it. Minibuffer window will be selected
4280 iff it is active. */
4282 && !EQ (window
, last_window
)
4283 && !EQ (window
, selected_window
)
4286 bufp
->kind
= SELECT_WINDOW_EVENT
;
4287 bufp
->frame_or_window
= window
;
4289 ++bufp
, ++count
, --numchars
;
4294 note_mouse_movement (f
, &msg
.msg
);
4298 /* If we move outside the frame, then we're
4299 certainly no longer on any text in the frame. */
4300 clear_mouse_face (dpyinfo
);
4303 /* If the contents of the global variable help_echo_string
4304 has changed, generate a HELP_EVENT. */
4305 if (help_echo_string
!= previous_help_echo_string
||
4306 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4311 if (help_echo_string
== Qnil
)
4313 help_echo_object
= help_echo_window
= Qnil
;
4318 XSETFRAME (frame
, f
);
4322 any_help_event_p
= 1;
4323 n
= gen_help_event (bufp
, numchars
, help_echo_string
, frame
,
4324 help_echo_window
, help_echo_object
,
4326 bufp
+= n
, count
+= n
, numchars
-= n
;
4330 case WM_LBUTTONDOWN
:
4332 case WM_MBUTTONDOWN
:
4334 case WM_RBUTTONDOWN
:
4336 case WM_XBUTTONDOWN
:
4339 /* If we decide we want to generate an event to be seen
4340 by the rest of Emacs, we put it here. */
4341 struct input_event emacs_event
;
4346 emacs_event
.kind
= NO_EVENT
;
4348 if (dpyinfo
->grabbed
&& last_mouse_frame
4349 && FRAME_LIVE_P (last_mouse_frame
))
4350 f
= last_mouse_frame
;
4352 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4356 construct_mouse_click (&emacs_event
, &msg
, f
);
4358 /* Is this in the tool-bar? */
4359 if (WINDOWP (f
->tool_bar_window
)
4360 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4363 int x
= XFASTINT (emacs_event
.x
);
4364 int y
= XFASTINT (emacs_event
.y
);
4366 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4368 if (EQ (window
, f
->tool_bar_window
))
4370 w32_handle_tool_bar_click (f
, &emacs_event
);
4376 if (!dpyinfo
->w32_focus_frame
4377 || f
== dpyinfo
->w32_focus_frame
4380 construct_mouse_click (bufp
, &msg
, f
);
4387 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4392 dpyinfo
->grabbed
&= ~ (1 << button
);
4396 dpyinfo
->grabbed
|= (1 << button
);
4397 last_mouse_frame
= f
;
4398 /* Ignore any mouse motion that happened
4399 before this event; any subsequent mouse-movement
4400 Emacs events should reflect only motion after
4406 last_tool_bar_item
= -1;
4413 if (dpyinfo
->grabbed
&& last_mouse_frame
4414 && FRAME_LIVE_P (last_mouse_frame
))
4415 f
= last_mouse_frame
;
4417 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4422 if ((!dpyinfo
->w32_focus_frame
4423 || f
== dpyinfo
->w32_focus_frame
)
4426 /* Emit an Emacs wheel-up/down event. */
4427 construct_mouse_wheel (bufp
, &msg
, f
);
4432 /* Ignore any mouse motion that happened before this
4433 event; any subsequent mouse-movement Emacs events
4434 should reflect only motion after the
4438 last_mouse_frame
= f
;
4439 last_tool_bar_item
= -1;
4444 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4448 construct_drag_n_drop (bufp
, &msg
, f
);
4457 struct scroll_bar
*bar
=
4458 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4460 if (bar
&& numchars
>= 1)
4462 if (w32_scroll_bar_handle_click (bar
, &msg
, bufp
))
4472 case WM_WINDOWPOSCHANGED
:
4473 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4476 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4477 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4479 check_visibility
= 1;
4483 case WM_ACTIVATEAPP
:
4484 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4486 x_check_fullscreen (f
);
4487 check_visibility
= 1;
4491 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4493 if (f
&& !f
->async_iconified
)
4497 x_real_positions (f
, &x
, &y
);
4502 check_visibility
= 1;
4506 /* wParam non-zero means Window is about to be shown, 0 means
4507 about to be hidden. */
4508 /* Redo the mouse-highlight after the tooltip has gone. */
4509 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4512 redo_mouse_highlight ();
4515 /* If window has been obscured or exposed by another window
4516 being maximised or minimised/restored, then recheck
4517 visibility of all frames. Direct changes to our own
4518 windows get handled by WM_SIZE. */
4520 if (msg
.msg
.lParam
!= 0)
4521 check_visibility
= 1;
4524 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4525 f
->async_visible
= msg
.msg
.wParam
;
4529 check_visibility
= 1;
4533 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4535 /* Inform lisp of whether frame has been iconified etc. */
4538 switch (msg
.msg
.wParam
)
4540 case SIZE_MINIMIZED
:
4541 f
->async_visible
= 0;
4542 f
->async_iconified
= 1;
4544 bufp
->kind
= ICONIFY_EVENT
;
4545 XSETFRAME (bufp
->frame_or_window
, f
);
4552 case SIZE_MAXIMIZED
:
4554 f
->async_visible
= 1;
4555 f
->async_iconified
= 0;
4557 /* wait_reading_process_input will notice this and update
4558 the frame's display structures. */
4559 SET_FRAME_GARBAGED (f
);
4565 /* Reset top and left positions of the Window
4566 here since Windows sends a WM_MOVE message
4567 BEFORE telling us the Window is minimized
4568 when the Window is iconified, with 3000,3000
4570 x_real_positions (f
, &x
, &y
);
4574 bufp
->kind
= DEICONIFY_EVENT
;
4575 XSETFRAME (bufp
->frame_or_window
, f
);
4581 else if (! NILP (Vframe_list
)
4582 && ! NILP (XCDR (Vframe_list
)))
4583 /* Force a redisplay sooner or later
4584 to update the frame titles
4585 in case this is the second frame. */
4586 record_asynch_buffer_change ();
4591 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4599 GetClientRect (msg
.msg
.hwnd
, &rect
);
4601 height
= rect
.bottom
- rect
.top
;
4602 width
= rect
.right
- rect
.left
;
4604 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4605 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4607 /* TODO: Clip size to the screen dimensions. */
4609 /* Even if the number of character rows and columns has
4610 not changed, the font size may have changed, so we need
4611 to check the pixel dimensions as well. */
4613 if (columns
!= FRAME_COLS (f
)
4614 || rows
!= FRAME_LINES (f
)
4615 || width
!= FRAME_PIXEL_WIDTH (f
)
4616 || height
!= FRAME_PIXEL_HEIGHT (f
))
4618 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4619 SET_FRAME_GARBAGED (f
);
4620 cancel_mouse_face (f
);
4621 FRAME_PIXEL_WIDTH (f
) = width
;
4622 FRAME_PIXEL_HEIGHT (f
) = height
;
4623 f
->win_gravity
= NorthWestGravity
;
4627 check_visibility
= 1;
4631 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4634 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4636 /* If we move outside the frame, then we're
4637 certainly no longer on any text in the frame. */
4638 clear_mouse_face (dpyinfo
);
4639 dpyinfo
->mouse_face_mouse_frame
= 0;
4642 /* Generate a nil HELP_EVENT to cancel a help-echo.
4643 Do it only if there's something to cancel.
4644 Otherwise, the startup message is cleared when
4645 the mouse leaves the frame. */
4646 if (any_help_event_p
)
4651 XSETFRAME (frame
, f
);
4652 help_echo_string
= Qnil
;
4653 n
= gen_help_event (bufp
, numchars
,
4654 Qnil
, frame
, Qnil
, Qnil
, 0);
4655 bufp
+= n
, count
+= n
, numchars
-= n
;
4661 /* TODO: Port this change:
4662 2002-06-28 Jan D. <jan.h.d@swipnet.se>
4663 * xterm.h (struct x_output): Add focus_state.
4664 * xterm.c (x_focus_changed): New function.
4665 (x_detect_focus_change): New function.
4666 (XTread_socket): Call x_detect_focus_change for FocusIn/FocusOut
4667 EnterNotify and LeaveNotify to track X focus changes.
4669 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4671 dpyinfo
->w32_focus_event_frame
= f
;
4674 x_new_focus_frame (dpyinfo
, f
);
4677 dpyinfo
->grabbed
= 0;
4678 check_visibility
= 1;
4682 /* TODO: some of this belongs in MOUSE_LEAVE */
4683 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4687 if (f
== dpyinfo
->w32_focus_event_frame
)
4688 dpyinfo
->w32_focus_event_frame
= 0;
4690 if (f
== dpyinfo
->w32_focus_frame
)
4691 x_new_focus_frame (dpyinfo
, 0);
4693 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4695 /* If we move outside the frame, then we're
4696 certainly no longer on any text in the frame. */
4697 clear_mouse_face (dpyinfo
);
4698 dpyinfo
->mouse_face_mouse_frame
= 0;
4701 /* Generate a nil HELP_EVENT to cancel a help-echo.
4702 Do it only if there's something to cancel.
4703 Otherwise, the startup message is cleared when
4704 the mouse leaves the frame. */
4705 if (any_help_event_p
)
4710 XSETFRAME (frame
, f
);
4711 help_echo_string
= Qnil
;
4712 n
= gen_help_event (bufp
, numchars
,
4713 Qnil
, frame
, Qnil
, Qnil
, 0);
4714 bufp
+= n
, count
+= n
, numchars
-=n
;
4718 dpyinfo
->grabbed
= 0;
4719 check_visibility
= 1;
4723 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4730 bufp
->kind
= DELETE_WINDOW_EVENT
;
4731 XSETFRAME (bufp
->frame_or_window
, f
);
4740 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4747 bufp
->kind
= MENU_BAR_ACTIVATE_EVENT
;
4748 XSETFRAME (bufp
->frame_or_window
, f
);
4757 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4761 extern void menubar_selection_callback
4762 (FRAME_PTR f
, void * client_data
);
4763 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4766 check_visibility
= 1;
4769 case WM_DISPLAYCHANGE
:
4770 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4774 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4775 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4776 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4777 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4781 check_visibility
= 1;
4785 /* Check for messages registered at runtime. */
4786 if (msg
.msg
.message
== msh_mousewheel
)
4788 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4789 msg
.msg
.message
= WM_MOUSEWHEEL
;
4796 /* If the focus was just given to an autoraising frame,
4798 /* ??? This ought to be able to handle more than one such frame. */
4799 if (pending_autoraise_frame
)
4801 x_raise_frame (pending_autoraise_frame
);
4802 pending_autoraise_frame
= 0;
4805 /* Check which frames are still visisble, if we have enqueued any user
4806 events or been notified of events that may affect visibility. We
4807 do this here because there doesn't seem to be any direct
4808 notification from Windows that the visibility of a window has
4809 changed (at least, not in all cases). */
4810 if (count
> 0 || check_visibility
)
4812 Lisp_Object tail
, frame
;
4814 FOR_EACH_FRAME (tail
, frame
)
4816 FRAME_PTR f
= XFRAME (frame
);
4817 /* The tooltip has been drawn already. Avoid the
4818 SET_FRAME_GARBAGED below. */
4819 if (EQ (frame
, tip_frame
))
4822 /* Check "visible" frames and mark each as obscured or not.
4823 Note that async_visible is nonzero for unobscured and
4824 obscured frames, but zero for hidden and iconified frames. */
4825 if (FRAME_W32_P (f
) && f
->async_visible
)
4831 /* Query clipping rectangle for the entire window area
4832 (GetWindowDC), not just the client portion (GetDC).
4833 Otherwise, the scrollbars and menubar aren't counted as
4834 part of the visible area of the frame, and we may think
4835 the frame is obscured when really a scrollbar is still
4836 visible and gets WM_PAINT messages above. */
4837 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4838 GetClipBox (hdc
, &clipbox
);
4839 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4842 if (clipbox
.right
== clipbox
.left
4843 || clipbox
.bottom
== clipbox
.top
)
4845 /* Frame has become completely obscured so mark as
4846 such (we do this by setting async_visible to 2 so
4847 that FRAME_VISIBLE_P is still true, but redisplay
4849 f
->async_visible
= 2;
4851 if (!FRAME_OBSCURED_P (f
))
4853 DebPrint (("frame %p (%s) obscured\n", f
,
4859 /* Frame is not obscured, so mark it as such. */
4860 f
->async_visible
= 1;
4862 if (FRAME_OBSCURED_P (f
))
4864 SET_FRAME_GARBAGED (f
);
4865 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4868 /* Force a redisplay sooner or later. */
4869 record_asynch_buffer_change ();
4883 /***********************************************************************
4885 ***********************************************************************/
4887 /* Set clipping for output in glyph row ROW. W is the window in which
4888 we operate. GC is the graphics context to set clipping in.
4890 ROW may be a text row or, e.g., a mode line. Text rows must be
4891 clipped to the interior of the window dedicated to text display,
4892 mode lines must be clipped to the whole window. */
4895 w32_clip_to_row (w
, row
, hdc
)
4897 struct glyph_row
*row
;
4900 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4902 int window_y
, window_width
;
4904 window_box (w
, -1, 0, &window_y
, &window_width
, 0);
4906 clip_rect
.left
= WINDOW_TO_FRAME_PIXEL_X (w
, 0);
4907 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4908 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4909 clip_rect
.right
= clip_rect
.left
+ window_width
;
4910 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4912 w32_set_clip_rectangle (hdc
, &clip_rect
);
4916 /* Draw a hollow box cursor on window W in glyph row ROW. */
4919 x_draw_hollow_cursor (w
, row
)
4921 struct glyph_row
*row
;
4923 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4927 struct glyph
*cursor_glyph
;
4928 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4930 /* Compute frame-relative coordinates from window-relative
4932 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4933 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
4934 + row
->ascent
- w
->phys_cursor_ascent
);
4935 rect
.bottom
= rect
.top
+ row
->height
;
4937 /* Get the glyph the cursor is on. If we can't tell because
4938 the current matrix is invalid or such, give up. */
4939 cursor_glyph
= get_phys_cursor_glyph (w
);
4940 if (cursor_glyph
== NULL
)
4943 /* Compute the width of the rectangle to draw. If on a stretch
4944 glyph, and `x-stretch-block-cursor' is nil, don't draw a
4945 rectangle as wide as the glyph, but use a canonical character
4947 wd
= cursor_glyph
->pixel_width
;
4948 if (cursor_glyph
->type
== STRETCH_GLYPH
4949 && !x_stretch_cursor_p
)
4950 wd
= min (FRAME_COLUMN_WIDTH (f
), wd
);
4951 w
->phys_cursor_width
= wd
;
4953 rect
.right
= rect
.left
+ wd
;
4954 hdc
= get_frame_dc (f
);
4955 /* Set clipping, draw the rectangle, and reset clipping again. */
4956 w32_clip_to_row (w
, row
, hdc
);
4957 FrameRect (hdc
, &rect
, hb
);
4959 w32_set_clip_rectangle (hdc
, NULL
);
4960 release_frame_dc (f
, hdc
);
4964 /* Draw a bar cursor on window W in glyph row ROW.
4966 Implementation note: One would like to draw a bar cursor with an
4967 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4968 Unfortunately, I didn't find a font yet that has this property set.
4972 x_draw_bar_cursor (w
, row
, width
, kind
)
4974 struct glyph_row
*row
;
4976 enum text_cursor_kinds kind
;
4978 struct frame
*f
= XFRAME (w
->frame
);
4979 struct glyph
*cursor_glyph
;
4983 /* If cursor is out of bounds, don't draw garbage. This can happen
4984 in mini-buffer windows when switching between echo area glyphs
4986 cursor_glyph
= get_phys_cursor_glyph (w
);
4987 if (cursor_glyph
== NULL
)
4990 /* If on an image, draw like a normal cursor. That's usually better
4991 visible than drawing a bar, esp. if the image is large so that
4992 the bar might not be in the window. */
4993 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4995 struct glyph_row
*row
;
4996 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4997 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5001 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5002 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5004 /* If the glyph's background equals the color we normally draw
5005 the bar cursor in, the bar cursor in its normal color is
5006 invisible. Use the glyph's foreground color instead in this
5007 case, on the assumption that the glyph's colors are chosen so
5008 that the glyph is legible. */
5009 if (face
->background
== cursor_color
)
5010 cursor_color
= face
->foreground
;
5012 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5015 width
= FRAME_CURSOR_WIDTH (f
);
5016 width
= min (cursor_glyph
->pixel_width
, width
);
5018 w
->phys_cursor_width
= width
;
5021 hdc
= get_frame_dc (f
);
5022 w32_clip_to_row (w
, row
, hdc
);
5024 if (kind
== BAR_CURSOR
)
5026 w32_fill_area (f
, hdc
, cursor_color
, x
,
5027 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5028 width
, row
->height
);
5032 w32_fill_area (f
, hdc
, cursor_color
, x
,
5033 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5034 row
->height
- width
),
5035 cursor_glyph
->pixel_width
, width
);
5038 w32_set_clip_rectangle (hdc
, NULL
);
5039 release_frame_dc (f
, hdc
);
5044 /* RIF: Define cursor CURSOR on frame F. */
5047 w32_define_frame_cursor (f
, cursor
)
5051 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5055 /* RIF: Clear area on frame F. */
5058 w32_clear_frame_area (f
, x
, y
, width
, height
)
5060 int x
, y
, width
, height
;
5064 hdc
= get_frame_dc (f
);
5065 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5066 release_frame_dc (f
, hdc
);
5069 /* RIF: Draw or clear cursor on window W. */
5072 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5074 struct glyph_row
*glyph_row
;
5076 int cursor_type
, cursor_width
;
5081 /* If the user wants to use the system caret, make sure our own
5082 cursor remains invisible. */
5083 if (w32_use_visible_system_caret
)
5085 if (w
->phys_cursor_type
!= NO_CURSOR
)
5086 erase_phys_cursor (w
);
5088 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5089 w
->phys_cursor_width
= -1;
5093 w
->phys_cursor_type
= cursor_type
;
5096 w
->phys_cursor_on_p
= 1;
5098 /* If this is the active cursor, we need to track it with the
5099 system caret, so third party software like screen magnifiers
5100 and speech synthesizers can follow the cursor. */
5103 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5104 HWND hwnd
= FRAME_W32_WINDOW (f
);
5107 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5109 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5110 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5112 /* If the size of the active cursor changed, destroy the old
5114 if (w32_system_caret_hwnd
5115 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5116 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5118 w32_system_caret_height
= w
->phys_cursor_height
;
5120 /* Move the system caret. */
5121 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5124 switch (cursor_type
)
5126 case HOLLOW_BOX_CURSOR
:
5127 x_draw_hollow_cursor (w
, glyph_row
);
5130 case FILLED_BOX_CURSOR
:
5131 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5135 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5139 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5143 w
->phys_cursor_width
= 0;
5157 x_bitmap_icon (f
, icon
)
5163 if (FRAME_W32_WINDOW (f
) == 0)
5167 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5168 else if (STRINGP (icon
))
5169 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5170 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5171 else if (SYMBOLP (icon
))
5175 if (EQ (icon
, intern ("application")))
5176 name
= (LPCTSTR
) IDI_APPLICATION
;
5177 else if (EQ (icon
, intern ("hand")))
5178 name
= (LPCTSTR
) IDI_HAND
;
5179 else if (EQ (icon
, intern ("question")))
5180 name
= (LPCTSTR
) IDI_QUESTION
;
5181 else if (EQ (icon
, intern ("exclamation")))
5182 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5183 else if (EQ (icon
, intern ("asterisk")))
5184 name
= (LPCTSTR
) IDI_ASTERISK
;
5185 else if (EQ (icon
, intern ("winlogo")))
5186 name
= (LPCTSTR
) IDI_WINLOGO
;
5190 hicon
= LoadIcon (NULL
, name
);
5198 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5205 /************************************************************************
5207 ************************************************************************/
5209 /* Display Error Handling functions not used on W32. Listing them here
5210 helps diff stay in step when comparing w32term.c with xterm.c.
5212 x_error_catcher (display, error)
5213 x_catch_errors (dpy)
5214 x_catch_errors_unwind (old_val)
5215 x_check_errors (dpy, format)
5216 x_had_errors_p (dpy)
5217 x_clear_errors (dpy)
5218 x_uncatch_errors (dpy, count)
5220 x_connection_signal (signalnum)
5221 x_connection_closed (dpy, error_message)
5222 x_error_quitter (display, error)
5223 x_error_handler (display, error)
5224 x_io_error_quitter (display)
5229 /* Changing the font of the frame. */
5231 /* Give frame F the font named FONTNAME as its default font, and
5232 return the full name of that font. FONTNAME may be a wildcard
5233 pattern; in that case, we choose some font that fits the pattern.
5234 The return value shows which font we chose. */
5237 x_new_font (f
, fontname
)
5239 register char *fontname
;
5241 struct font_info
*fontp
5242 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5247 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5248 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5249 FRAME_FONTSET (f
) = -1;
5251 FRAME_COLUMN_WIDTH (f
) = FONT_WIDTH (FRAME_FONT (f
));
5252 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5254 compute_fringe_widths (f
, 1);
5256 /* Compute the scroll bar width in character columns. */
5257 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5259 int wid
= FRAME_COLUMN_WIDTH (f
);
5260 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5261 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5265 int wid
= FRAME_COLUMN_WIDTH (f
);
5266 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5269 /* Now make the frame display the given font. */
5270 if (FRAME_W32_WINDOW (f
) != 0)
5272 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5273 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5276 return build_string (fontp
->full_name
);
5279 /* Give frame F the fontset named FONTSETNAME as its default font, and
5280 return the full name of that fontset. FONTSETNAME may be a wildcard
5281 pattern; in that case, we choose some fontset that fits the pattern.
5282 The return value shows which fontset we chose. */
5285 x_new_fontset (f
, fontsetname
)
5289 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5295 if (FRAME_FONTSET (f
) == fontset
)
5296 /* This fontset is already set in frame F. There's nothing more
5298 return fontset_name (fontset
);
5300 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5302 if (!STRINGP (result
))
5303 /* Can't load ASCII font. */
5306 /* Since x_new_font doesn't update any fontset information, do it now. */
5307 FRAME_FONTSET(f
) = fontset
;
5309 return build_string (fontsetname
);
5313 /***********************************************************************
5314 TODO: W32 Input Methods
5315 ***********************************************************************/
5316 /* Listing missing functions from xterm.c helps diff stay in step.
5318 xim_destroy_callback (xim, client_data, call_data)
5319 xim_open_dpy (dpyinfo, resource_name)
5321 xim_instantiate_callback (display, client_data, call_data)
5322 xim_initialize (dpyinfo, resource_name)
5323 xim_close_dpy (dpyinfo)
5328 /* Calculate the absolute position in frame F
5329 from its current recorded position values and gravity. */
5332 x_calc_absolute_position (f
)
5336 int flags
= f
->size_hint_flags
;
5340 /* Find the position of the outside upper-left corner of
5341 the inner window, with respect to the outer window.
5342 But do this only if we will need the results. */
5343 if (f
->output_data
.w32
->parent_desc
!= FRAME_W32_DISPLAY_INFO (f
)->root_window
)
5346 MapWindowPoints (FRAME_W32_WINDOW (f
),
5347 f
->output_data
.w32
->parent_desc
,
5354 rt
.left
= rt
.right
= rt
.top
= rt
.bottom
= 0;
5357 AdjustWindowRect(&rt
, f
->output_data
.w32
->dwStyle
,
5358 FRAME_EXTERNAL_MENU_BAR (f
));
5361 pt
.x
+= (rt
.right
- rt
.left
);
5362 pt
.y
+= (rt
.bottom
- rt
.top
);
5365 /* Treat negative positions as relative to the leftmost bottommost
5366 position that fits on the screen. */
5367 if (flags
& XNegative
)
5368 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5369 - 2 * f
->border_width
- pt
.x
5370 - FRAME_PIXEL_WIDTH (f
)
5373 if (flags
& YNegative
)
5374 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5375 - 2 * f
->border_width
- pt
.y
5376 - FRAME_PIXEL_HEIGHT (f
)
5378 /* The left_pos and top_pos
5379 are now relative to the top and left screen edges,
5380 so the flags should correspond. */
5381 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5384 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5385 to really change the position, and 0 when calling from
5386 x_make_frame_visible (in that case, XOFF and YOFF are the current
5387 position values). It is -1 when calling from x_set_frame_parameters,
5388 which means, do adjust for borders but don't change the gravity. */
5391 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5393 register int xoff
, yoff
;
5396 int modified_top
, modified_left
;
5398 if (change_gravity
> 0)
5402 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5404 f
->size_hint_flags
|= XNegative
;
5406 f
->size_hint_flags
|= YNegative
;
5407 f
->win_gravity
= NorthWestGravity
;
5409 x_calc_absolute_position (f
);
5412 x_wm_set_size_hint (f
, (long) 0, 0);
5414 modified_left
= f
->left_pos
;
5415 modified_top
= f
->top_pos
;
5417 my_set_window_pos (FRAME_W32_WINDOW (f
),
5419 modified_left
, modified_top
,
5421 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5426 /* Check if we need to resize the frame due to a fullscreen request.
5427 If so needed, resize the frame. */
5429 x_check_fullscreen (f
)
5432 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5434 int width
, height
, ign
;
5436 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5438 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5440 /* We do not need to move the window, it shall be taken care of
5441 when setting WM manager hints. */
5442 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5444 change_frame_size (f
, height
, width
, 0, 1, 0);
5445 SET_FRAME_GARBAGED (f
);
5446 cancel_mouse_face (f
);
5448 /* Wait for the change of frame size to occur */
5449 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5454 /* Call this to change the size of frame F's x-window.
5455 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5456 for this size change and subsequent size changes.
5457 Otherwise we leave the window gravity unchanged. */
5460 x_set_window_size (f
, change_gravity
, cols
, rows
)
5465 int pixelwidth
, pixelheight
;
5469 check_frame_size (f
, &rows
, &cols
);
5470 f
->scroll_bar_actual_width
5471 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5473 compute_fringe_widths (f
, 0);
5475 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5476 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5478 f
->win_gravity
= NorthWestGravity
;
5479 x_wm_set_size_hint (f
, (long) 0, 0);
5484 rect
.left
= rect
.top
= 0;
5485 rect
.right
= pixelwidth
;
5486 rect
.bottom
= pixelheight
;
5488 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5489 FRAME_EXTERNAL_MENU_BAR (f
));
5491 my_set_window_pos (FRAME_W32_WINDOW (f
),
5494 rect
.right
- rect
.left
,
5495 rect
.bottom
- rect
.top
,
5496 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5499 /* Now, strictly speaking, we can't be sure that this is accurate,
5500 but the window manager will get around to dealing with the size
5501 change request eventually, and we'll hear how it went when the
5502 ConfigureNotify event gets here.
5504 We could just not bother storing any of this information here,
5505 and let the ConfigureNotify event set everything up, but that
5506 might be kind of confusing to the Lisp code, since size changes
5507 wouldn't be reported in the frame parameters until some random
5508 point in the future when the ConfigureNotify event arrives.
5510 We pass 1 for DELAY since we can't run Lisp code inside of
5512 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5513 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5514 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5516 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5517 receive in the ConfigureNotify event; if we get what we asked
5518 for, then the event won't cause the screen to become garbaged, so
5519 we have to make sure to do it here. */
5520 SET_FRAME_GARBAGED (f
);
5522 /* If cursor was outside the new size, mark it as off. */
5523 mark_window_cursors_off (XWINDOW (f
->root_window
));
5525 /* Clear out any recollection of where the mouse highlighting was,
5526 since it might be in a place that's outside the new frame size.
5527 Actually checking whether it is outside is a pain in the neck,
5528 so don't try--just let the highlighting be done afresh with new size. */
5529 cancel_mouse_face (f
);
5534 /* Mouse warping. */
5536 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5539 x_set_mouse_position (f
, x
, y
)
5545 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5546 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5548 if (pix_x
< 0) pix_x
= 0;
5549 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5551 if (pix_y
< 0) pix_y
= 0;
5552 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5554 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5558 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5567 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5568 pt
.x
= rect
.left
+ pix_x
;
5569 pt
.y
= rect
.top
+ pix_y
;
5570 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5572 SetCursorPos (pt
.x
, pt
.y
);
5578 /* focus shifting, raising and lowering. */
5581 x_focus_on_frame (f
)
5584 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5586 /* Give input focus to frame. */
5589 /* Try not to change its Z-order if possible. */
5590 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5591 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5594 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5604 /* Raise frame F. */
5611 /* Strictly speaking, raise-frame should only change the frame's Z
5612 order, leaving input focus unchanged. This is reasonable behaviour
5613 on X where the usual policy is point-to-focus. However, this
5614 behaviour would be very odd on Windows where the usual policy is
5617 On X, if the mouse happens to be over the raised frame, it gets
5618 input focus anyway (so the window with focus will never be
5619 completely obscured) - if not, then just moving the mouse over it
5620 is sufficient to give it focus. On Windows, the user must actually
5621 click on the frame (preferrably the title bar so as not to move
5622 point), which is more awkward. Also, no other Windows program
5623 raises a window to the top but leaves another window (possibly now
5624 completely obscured) with input focus.
5626 Because there is a system setting on Windows that allows the user
5627 to choose the point to focus policy, we make the strict semantics
5628 optional, but by default we grab focus when raising. */
5630 if (NILP (Vw32_grab_focus_on_raise
))
5632 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5633 not already the foreground application: the frame is raised
5634 above all other frames belonging to us, but not above the
5635 current top window. To achieve that, we have to resort to this
5636 more cumbersome method. */
5638 HDWP handle
= BeginDeferWindowPos (2);
5641 DeferWindowPos (handle
,
5642 FRAME_W32_WINDOW (f
),
5645 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5647 DeferWindowPos (handle
,
5648 GetForegroundWindow (),
5649 FRAME_W32_WINDOW (f
),
5651 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5653 EndDeferWindowPos (handle
);
5658 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5664 /* Lower frame F. */
5670 my_set_window_pos (FRAME_W32_WINDOW (f
),
5673 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5678 w32_frame_raise_lower (f
, raise_flag
)
5682 if (! FRAME_W32_P (f
))
5691 /* Change of visibility. */
5693 /* This tries to wait until the frame is really visible.
5694 However, if the window manager asks the user where to position
5695 the frame, this will return before the user finishes doing that.
5696 The frame will not actually be visible at that time,
5697 but it will become visible later when the window manager
5698 finishes with it. */
5701 x_make_frame_visible (f
)
5708 type
= x_icon_type (f
);
5710 x_bitmap_icon (f
, type
);
5712 if (! FRAME_VISIBLE_P (f
))
5714 /* We test FRAME_GARBAGED_P here to make sure we don't
5715 call x_set_offset a second time
5716 if we get to x_make_frame_visible a second time
5717 before the window gets really visible. */
5718 if (! FRAME_ICONIFIED_P (f
)
5719 && ! f
->output_data
.w32
->asked_for_visible
)
5720 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5722 f
->output_data
.w32
->asked_for_visible
= 1;
5724 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5725 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5728 /* Synchronize to ensure Emacs knows the frame is visible
5729 before we do anything else. We do this loop with input not blocked
5730 so that incoming events are handled. */
5735 /* This must come after we set COUNT. */
5738 XSETFRAME (frame
, f
);
5740 /* Wait until the frame is visible. Process X events until a
5741 MapNotify event has been seen, or until we think we won't get a
5742 MapNotify at all.. */
5743 for (count
= input_signal_count
+ 10;
5744 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5746 /* Force processing of queued events. */
5747 /* TODO: x_sync equivalent? */
5749 /* Machines that do polling rather than SIGIO have been observed
5750 to go into a busy-wait here. So we'll fake an alarm signal
5751 to let the handler know that there's something to be read.
5752 We used to raise a real alarm, but it seems that the handler
5753 isn't always enabled here. This is probably a bug. */
5754 if (input_polling_used ())
5756 /* It could be confusing if a real alarm arrives while processing
5757 the fake one. Turn it off and let the handler reset it. */
5758 int old_poll_suppress_count
= poll_suppress_count
;
5759 poll_suppress_count
= 1;
5760 poll_for_input_1 ();
5761 poll_suppress_count
= old_poll_suppress_count
;
5764 FRAME_SAMPLE_VISIBILITY (f
);
5768 /* Change from mapped state to withdrawn state. */
5770 /* Make the frame visible (mapped and not iconified). */
5772 x_make_frame_invisible (f
)
5775 /* Don't keep the highlight on an invisible frame. */
5776 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5777 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5781 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5783 /* We can't distinguish this from iconification
5784 just by the event that we get from the server.
5785 So we can't win using the usual strategy of letting
5786 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5787 and synchronize with the server to make sure we agree. */
5789 FRAME_ICONIFIED_P (f
) = 0;
5790 f
->async_visible
= 0;
5791 f
->async_iconified
= 0;
5796 /* Change window state from mapped to iconified. */
5804 /* Don't keep the highlight on an invisible frame. */
5805 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5806 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5808 if (f
->async_iconified
)
5813 type
= x_icon_type (f
);
5815 x_bitmap_icon (f
, type
);
5817 /* Simulate the user minimizing the frame. */
5818 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5824 /* Free X resources of frame F. */
5827 x_free_frame_resources (f
)
5830 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5834 if (FRAME_W32_WINDOW (f
))
5835 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5837 free_frame_menubar (f
);
5839 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5840 unload_color (f
, f
->output_data
.x
->background_pixel
);
5841 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5842 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5843 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5844 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5845 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5846 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5847 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5848 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5850 if (FRAME_FACE_CACHE (f
))
5851 free_frame_faces (f
);
5853 xfree (f
->output_data
.w32
);
5854 f
->output_data
.w32
= NULL
;
5856 if (f
== dpyinfo
->w32_focus_frame
)
5857 dpyinfo
->w32_focus_frame
= 0;
5858 if (f
== dpyinfo
->w32_focus_event_frame
)
5859 dpyinfo
->w32_focus_event_frame
= 0;
5860 if (f
== dpyinfo
->x_highlight_frame
)
5861 dpyinfo
->x_highlight_frame
= 0;
5863 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5865 dpyinfo
->mouse_face_beg_row
5866 = dpyinfo
->mouse_face_beg_col
= -1;
5867 dpyinfo
->mouse_face_end_row
5868 = dpyinfo
->mouse_face_end_col
= -1;
5869 dpyinfo
->mouse_face_window
= Qnil
;
5870 dpyinfo
->mouse_face_deferred_gc
= 0;
5871 dpyinfo
->mouse_face_mouse_frame
= 0;
5878 /* Destroy the window of frame F. */
5880 x_destroy_window (f
)
5883 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5885 x_free_frame_resources (f
);
5887 dpyinfo
->reference_count
--;
5891 /* Setting window manager hints. */
5893 /* Set the normal size hints for the window manager, for frame F.
5894 FLAGS is the flags word to use--or 0 meaning preserve the flags
5895 that the window now has.
5896 If USER_POSITION is nonzero, we set the USPosition
5897 flag (this is useful when FLAGS is 0). */
5899 x_wm_set_size_hint (f
, flags
, user_position
)
5904 Window window
= FRAME_W32_WINDOW (f
);
5908 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5909 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5910 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5911 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5916 /* Window manager things */
5918 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5923 Window window
= FRAME_W32_WINDOW (f
);
5925 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5926 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5927 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5929 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5934 /***********************************************************************
5936 ***********************************************************************/
5938 /* The following functions are listed here to help diff stay in step
5939 with xterm.c. See w32fns.c for definitions.
5941 x_get_font_info (f, font_idx)
5942 x_list_fonts (f, pattern, size, maxnames)
5948 /* Check that FONT is valid on frame F. It is if it can be found in F's
5952 x_check_font (f
, font
)
5957 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5959 xassert (font
!= NULL
);
5961 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5962 if (dpyinfo
->font_table
[i
].name
5963 && font
== dpyinfo
->font_table
[i
].font
)
5966 xassert (i
< dpyinfo
->n_fonts
);
5969 #endif /* GLYPH_DEBUG != 0 */
5971 /* Set *W to the minimum width, *H to the minimum font height of FONT.
5972 Note: There are (broken) X fonts out there with invalid XFontStruct
5973 min_bounds contents. For example, handa@etl.go.jp reports that
5974 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
5975 have font->min_bounds.width == 0. */
5978 x_font_min_bounds (font
, w
, h
)
5983 * TODO: Windows does not appear to offer min bound, only
5984 * average and maximum width, and maximum height.
5986 *h
= FONT_HEIGHT (font
);
5987 *w
= FONT_WIDTH (font
);
5991 /* Compute the smallest character width and smallest font height over
5992 all fonts available on frame F. Set the members smallest_char_width
5993 and smallest_font_height in F's x_display_info structure to
5994 the values computed. Value is non-zero if smallest_font_height or
5995 smallest_char_width become smaller than they were before. */
5998 x_compute_min_glyph_bounds (f
)
6002 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6004 int old_width
= dpyinfo
->smallest_char_width
;
6005 int old_height
= dpyinfo
->smallest_font_height
;
6007 dpyinfo
->smallest_font_height
= 100000;
6008 dpyinfo
->smallest_char_width
= 100000;
6010 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6011 if (dpyinfo
->font_table
[i
].name
)
6013 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6016 font
= (XFontStruct
*) fontp
->font
;
6017 xassert (font
!= (XFontStruct
*) ~0);
6018 x_font_min_bounds (font
, &w
, &h
);
6020 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6021 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6024 xassert (dpyinfo
->smallest_char_width
> 0
6025 && dpyinfo
->smallest_font_height
> 0);
6027 return (dpyinfo
->n_fonts
== 1
6028 || dpyinfo
->smallest_char_width
< old_width
6029 || dpyinfo
->smallest_font_height
< old_height
);
6032 /* The following functions are listed here to help diff stay in step
6033 with xterm.c. See w32fns.c for definitions.
6035 x_load_font (f, fontname, size)
6036 x_query_font (f, fontname)
6037 x_find_ccl_program (fontp)
6041 /***********************************************************************
6043 ***********************************************************************/
6045 static int w32_initialized
= 0;
6048 w32_initialize_display_info (display_name
)
6049 Lisp_Object display_name
;
6051 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6053 bzero (dpyinfo
, sizeof (*dpyinfo
));
6055 /* Put it on w32_display_name_list. */
6056 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6057 w32_display_name_list
);
6058 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6060 dpyinfo
->w32_id_name
6061 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6062 + SCHARS (Vsystem_name
)
6064 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6065 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6067 /* Default Console mode values - overridden when running in GUI mode
6068 with values obtained from system metrics. */
6071 dpyinfo
->height_in
= 1;
6072 dpyinfo
->width_in
= 1;
6073 dpyinfo
->n_planes
= 1;
6074 dpyinfo
->n_cbits
= 4;
6075 dpyinfo
->n_fonts
= 0;
6076 dpyinfo
->smallest_font_height
= 1;
6077 dpyinfo
->smallest_char_width
= 1;
6079 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6080 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6081 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6082 dpyinfo
->mouse_face_window
= Qnil
;
6083 dpyinfo
->mouse_face_overlay
= Qnil
;
6084 dpyinfo
->mouse_face_hidden
= 0;
6086 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6087 /* TODO: dpyinfo->gray */
6091 /* Create an xrdb-style database of resources to supercede registry settings.
6092 The database is just a concatenation of C strings, finished by an additional
6093 \0. The string are submitted to some basic normalization, so
6095 [ *]option[ *]:[ *]value...
6101 but any whitespace following value is not removed. */
6104 w32_make_rdb (xrm_option
)
6107 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6108 char *current
= buffer
;
6111 int before_value
= 0;
6125 if (in_option
&& (ch
== ':'))
6130 else if (before_value
)
6135 else if (!(in_option
|| before_value
))
6146 struct w32_display_info
*
6147 w32_term_init (display_name
, xrm_option
, resource_name
)
6148 Lisp_Object display_name
;
6150 char *resource_name
;
6152 struct w32_display_info
*dpyinfo
;
6157 if (!w32_initialized
)
6160 w32_initialized
= 1;
6163 w32_initialize_display_info (display_name
);
6165 dpyinfo
= &one_w32_display_info
;
6167 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6169 /* Put this display on the chain. */
6170 dpyinfo
->next
= x_display_list
;
6171 x_display_list
= dpyinfo
;
6173 hdc
= GetDC (GetDesktopWindow ());
6175 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6176 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6177 dpyinfo
->root_window
= GetDesktopWindow ();
6178 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6179 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6180 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6181 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6182 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6183 dpyinfo
->image_cache
= make_image_cache ();
6184 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6185 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6186 ReleaseDC (GetDesktopWindow (), hdc
);
6188 /* initialise palette with white and black */
6191 w32_defined_color (0, "white", &color
, 1);
6192 w32_defined_color (0, "black", &color
, 1);
6195 /* Create Fringe Bitmaps and store them for later use.
6197 On W32, bitmaps are all unsigned short, as Windows requires
6198 bitmap data to be Word aligned. For some reason they are
6199 horizontally reflected compared to how they appear on X, so we
6200 need to bitswap and convert to unsigned shorts before creating
6205 for (i
= NO_FRINGE_BITMAP
+ 1; i
< MAX_FRINGE_BITMAPS
; i
++)
6207 int h
= fringe_bitmaps
[i
].height
;
6208 int wd
= fringe_bitmaps
[i
].width
;
6209 unsigned short *w32bits
6210 = (unsigned short *)alloca (h
* sizeof (unsigned short));
6211 unsigned short *wb
= w32bits
;
6212 unsigned char *bits
= fringe_bitmaps
[i
].bits
;
6213 for (j
= 0; j
< h
; j
++)
6215 static unsigned char swap_nibble
[16]
6216 = { 0x0, 0x8, 0x4, 0xc, /* 0000 1000 0100 1100 */
6217 0x2, 0xa, 0x6, 0xe, /* 0010 1010 0110 1110 */
6218 0x1, 0x9, 0x5, 0xd, /* 0001 1001 0101 1101 */
6219 0x3, 0xb, 0x7, 0xf }; /* 0011 1011 0111 1111 */
6221 unsigned char b
= *bits
++;
6222 *wb
++ = (unsigned short)((swap_nibble
[b
& 0xf]<<4)
6223 | (swap_nibble
[(b
>>4) & 0xf]));
6225 fringe_bmp
[i
] = CreateBitmap (wd
, h
, 1, 1, w32bits
);
6229 #ifndef F_SETOWN_BUG
6231 #ifdef F_SETOWN_SOCK_NEG
6232 /* stdin is a socket here */
6233 fcntl (connection
, F_SETOWN
, -getpid ());
6234 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6235 fcntl (connection
, F_SETOWN
, getpid ());
6236 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6237 #endif /* ! defined (F_SETOWN) */
6238 #endif /* F_SETOWN_BUG */
6241 if (interrupt_input
)
6242 init_sigio (connection
);
6243 #endif /* ! defined (SIGIO) */
6250 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6253 x_delete_display (dpyinfo
)
6254 struct w32_display_info
*dpyinfo
;
6256 /* Discard this display from w32_display_name_list and w32_display_list.
6257 We can't use Fdelq because that can quit. */
6258 if (! NILP (w32_display_name_list
)
6259 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6260 w32_display_name_list
= XCDR (w32_display_name_list
);
6265 tail
= w32_display_name_list
;
6266 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6268 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6270 XSETCDR (tail
, XCDR (XCDR (tail
)));
6277 /* free palette table */
6279 struct w32_palette_entry
* plist
;
6281 plist
= dpyinfo
->color_list
;
6284 struct w32_palette_entry
* pentry
= plist
;
6285 plist
= plist
->next
;
6288 dpyinfo
->color_list
= NULL
;
6289 if (dpyinfo
->palette
)
6290 DeleteObject(dpyinfo
->palette
);
6292 xfree (dpyinfo
->font_table
);
6293 xfree (dpyinfo
->w32_id_name
);
6295 /* Destroy row bitmaps. */
6299 for (i
= NO_FRINGE_BITMAP
+ 1; i
< MAX_FRINGE_BITMAPS
; i
++)
6300 DeleteObject (fringe_bmp
[i
]);
6304 /* Set up use of W32. */
6306 DWORD
w32_msg_worker ();
6309 x_flush (struct frame
* f
)
6310 { /* Nothing to do */ }
6312 extern frame_parm_handler w32_frame_parm_handlers
[];
6314 static struct redisplay_interface w32_redisplay_interface
=
6316 w32_frame_parm_handlers
,
6320 x_clear_end_of_line
,
6322 x_after_update_window_line
,
6323 x_update_window_begin
,
6324 x_update_window_end
,
6327 0, /* flush_display_optional */
6328 x_clear_window_mouse_face
,
6329 w32_get_glyph_overhangs
,
6330 x_fix_overlapping_area
,
6331 w32_draw_fringe_bitmap
,
6332 w32_per_char_metric
,
6334 NULL
, /* w32_compute_glyph_string_overhangs */
6335 x_draw_glyph_string
,
6336 w32_define_frame_cursor
,
6337 w32_clear_frame_area
,
6338 w32_draw_window_cursor
,
6339 w32_draw_vertical_window_border
,
6340 w32_shift_glyphs_for_insert
6346 rif
= &w32_redisplay_interface
;
6348 /* MSVC does not type K&R functions with no arguments correctly, and
6349 so we must explicitly cast them. */
6350 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6351 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6352 update_begin_hook
= x_update_begin
;
6353 update_end_hook
= x_update_end
;
6355 read_socket_hook
= w32_read_socket
;
6357 frame_up_to_date_hook
= w32_frame_up_to_date
;
6359 mouse_position_hook
= w32_mouse_position
;
6360 frame_rehighlight_hook
= w32_frame_rehighlight
;
6361 frame_raise_lower_hook
= w32_frame_raise_lower
;
6362 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6363 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6364 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6365 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6367 scroll_region_ok
= 1; /* we'll scroll partial frames */
6368 char_ins_del_ok
= 1;
6369 line_ins_del_ok
= 1; /* we'll just blt 'em */
6370 fast_clear_end_of_line
= 1; /* X does this well */
6371 memory_below_frame
= 0; /* we don't remember what scrolls
6375 w32_system_caret_hwnd
= NULL
;
6376 w32_system_caret_height
= 0;
6377 w32_system_caret_x
= 0;
6378 w32_system_caret_y
= 0;
6380 last_tool_bar_item
= -1;
6381 any_help_event_p
= 0;
6383 /* Initialize input mode: interrupt_input off, no flow control, allow
6384 8 bit character input, standard quit char. */
6385 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6387 /* Create the window thread - it will terminate itself or when the app terminates */
6391 dwMainThreadId
= GetCurrentThreadId ();
6392 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6393 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6395 /* Wait for thread to start */
6400 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6402 hWindowsThread
= CreateThread (NULL
, 0,
6403 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6404 0, 0, &dwWindowsThreadId
);
6406 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6409 /* It is desirable that mainThread should have the same notion of
6410 focus window and active window as windowsThread. Unfortunately, the
6411 following call to AttachThreadInput, which should do precisely what
6412 we need, causes major problems when Emacs is linked as a console
6413 program. Unfortunately, we have good reasons for doing that, so
6414 instead we need to send messages to windowsThread to make some API
6415 calls for us (ones that affect, or depend on, the active/focus
6417 #ifdef ATTACH_THREADS
6418 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6421 /* Dynamically link to optional system components. */
6423 HANDLE user_lib
= LoadLibrary ("user32.dll");
6425 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6427 /* New proportional scroll bar functions. */
6428 LOAD_PROC (SetScrollInfo
);
6429 LOAD_PROC (GetScrollInfo
);
6433 FreeLibrary (user_lib
);
6435 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6436 otherwise use the fixed height. */
6437 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6438 GetSystemMetrics (SM_CYVTHUMB
);
6440 /* For either kind of scroll bar, take account of the arrows; these
6441 effectively form the border of the main scroll bar range. */
6442 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6443 = GetSystemMetrics (SM_CYVSCROLL
);
6450 staticpro (&w32_display_name_list
);
6451 w32_display_name_list
= Qnil
;
6453 staticpro (&last_mouse_scroll_bar
);
6454 last_mouse_scroll_bar
= Qnil
;
6456 staticpro (&Qvendor_specific_keysyms
);
6457 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6459 DEFVAR_INT ("w32-num-mouse-buttons",
6460 &Vw32_num_mouse_buttons
,
6461 doc
: /* Number of physical mouse buttons. */);
6462 Vw32_num_mouse_buttons
= Qnil
;
6464 DEFVAR_LISP ("w32-swap-mouse-buttons",
6465 &Vw32_swap_mouse_buttons
,
6466 doc
: /* Swap the mapping of middle and right mouse buttons.
6467 When nil, middle button is mouse-2 and right button is mouse-3. */);
6468 Vw32_swap_mouse_buttons
= Qnil
;
6470 DEFVAR_LISP ("w32-grab-focus-on-raise",
6471 &Vw32_grab_focus_on_raise
,
6472 doc
: /* Raised frame grabs input focus.
6473 When t, `raise-frame' grabs input focus as well. This fits well
6474 with the normal Windows click-to-focus policy, but might not be
6475 desirable when using a point-to-focus policy. */);
6476 Vw32_grab_focus_on_raise
= Qt
;
6478 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6479 &Vw32_capslock_is_shiftlock
,
6480 doc
: /* Apply CapsLock state to non character input keys.
6481 When nil, CapsLock only affects normal character input keys. */);
6482 Vw32_capslock_is_shiftlock
= Qnil
;
6484 DEFVAR_LISP ("w32-recognize-altgr",
6485 &Vw32_recognize_altgr
,
6486 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6487 When nil, the right-alt and left-ctrl key combination is
6488 interpreted normally. */);
6489 Vw32_recognize_altgr
= Qt
;
6491 DEFVAR_BOOL ("w32-enable-unicode-output",
6492 &w32_enable_unicode_output
,
6493 doc
: /* Enable the use of Unicode for text output if non-nil.
6494 Unicode output may prevent some third party applications for displaying
6495 Far-East Languages on Windows 95/98 from working properly.
6496 NT uses Unicode internally anyway, so this flag will probably have no
6497 affect on NT machines. */);
6498 w32_enable_unicode_output
= 1;
6500 DEFVAR_BOOL ("w32-use-visible-system-caret",
6501 &w32_use_visible_system_caret
,
6502 doc
: /* Flag to make the system caret visible.
6503 When this is non-nil, Emacs will indicate the position of point by
6504 using the system caret instead of drawing its own cursor. Some screen
6505 reader software does not track the system cursor properly when it is
6506 invisible, and gets confused by Emacs drawing its own cursor, so this
6507 variable is initialized to t when Emacs detects that screen reader
6508 software is running as it starts up.
6510 When this variable is set, other variables affecting the appearance of
6511 the cursor have no effect. */);
6513 /* Initialize w32_use_visible_system_caret based on whether a screen
6514 reader is in use. */
6515 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6516 &w32_use_visible_system_caret
, 0))
6517 w32_use_visible_system_caret
= 0;
6519 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6520 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6521 Vx_toolkit_scroll_bars
= Qt
;
6523 staticpro (&last_mouse_motion_frame
);
6524 last_mouse_motion_frame
= Qnil
;
6527 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6528 (do not change this comment) */