1 /* Implementation of GUI terminal on the Microsoft Windows API.
3 Copyright (C) 1989, 1993-2013 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 3 of the License, or
10 (at your option) any later version.
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
24 #include "blockinput.h"
36 #include "character.h"
40 #include "dispextern.h"
42 #include "termhooks.h"
49 #include "intervals.h"
59 #include <io.h> /* for get_osfhandle */
69 static int max_fringe_bmp
= 0;
70 static HBITMAP
*fringe_bmp
= 0;
72 /* Temporary variables for w32_read_socket. */
74 static int last_mousemove_x
= 0;
75 static int last_mousemove_y
= 0;
77 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
78 #ifndef GET_WHEEL_DELTA_WPARAM
79 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
82 /* Non-zero means that a HELP_EVENT has been generated since Emacs
85 static int any_help_event_p
;
87 extern unsigned int msh_mousewheel
;
89 extern void free_frame_menubar (struct frame
*);
91 extern int w32_codepage_for_font (char *fontname
);
92 extern Cursor
w32_load_cursor (LPCTSTR name
);
94 #define x_any_window_to_frame x_window_to_frame
95 #define x_top_window_to_frame x_window_to_frame
98 /* This is display since w32 does not support multiple ones. */
99 struct w32_display_info one_w32_display_info
;
100 struct w32_display_info
*x_display_list
;
102 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
103 one for each element of w32_display_list and in the same order.
104 NAME is the name of the frame.
105 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
106 Lisp_Object w32_display_name_list
;
109 #if _WIN32_WINNT < 0x0500 && !defined(_W64)
110 /* Pre Windows 2000, this was not available, but define it here so
111 that Emacs compiled on such a platform will run on newer versions.
112 MinGW64 (_W64) defines these unconditionally, so avoid redefining. */
114 typedef struct tagWCRANGE
120 typedef struct tagGLYPHSET
124 DWORD cGlyphsSupported
;
129 #endif /* compiling for pre-Win2k */
131 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
132 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
135 #define LWA_ALPHA 0x02
137 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
138 later targets by MSVC headers. */
139 #ifndef WS_EX_LAYERED
140 #define WS_EX_LAYERED 0x80000
143 /* SM_CXVIRTUALSCREEN and SM_CYVIRTUALSCREEN are not defined on 95 and
145 #ifndef SM_CXVIRTUALSCREEN
146 #define SM_CXVIRTUALSCREEN 78
148 #ifndef SM_CYVIRTUALSCREEN
149 #define SM_CYVIRTUALSCREEN 79
152 /* This is a frame waiting to be autoraised, within w32_read_socket. */
153 struct frame
*pending_autoraise_frame
;
155 /* The handle of the frame that currently owns the system caret. */
156 HWND w32_system_caret_hwnd
;
157 int w32_system_caret_height
;
158 int w32_system_caret_x
;
159 int w32_system_caret_y
;
160 struct window
*w32_system_caret_window
;
161 int w32_system_caret_hdr_height
;
162 int w32_system_caret_mode_height
;
163 DWORD dwWindowsThreadId
= 0;
164 HANDLE hWindowsThread
= NULL
;
165 DWORD dwMainThreadId
= 0;
166 HANDLE hMainThread
= NULL
;
168 int vertical_scroll_bar_min_handle
;
169 int vertical_scroll_bar_top_border
;
170 int vertical_scroll_bar_bottom_border
;
172 int last_scroll_bar_drag_pos
;
174 /* Keyboard code page - may be changed by language-change events. */
175 int w32_keyboard_codepage
;
177 /* Mouse movement. */
179 /* Where the mouse was last time we reported a mouse event. */
180 static RECT last_mouse_glyph
;
181 static struct frame
*last_mouse_glyph_frame
;
183 /* The scroll bar in which the last motion event occurred.
185 If the last motion event occurred in a scroll bar, we set this
186 so w32_mouse_position can know whether to report a scroll bar motion or
189 If the last motion event didn't occur in a scroll bar, we set this
190 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
191 static Lisp_Object last_mouse_scroll_bar
;
192 static int last_mouse_scroll_bar_pos
;
194 /* This is a hack. We would really prefer that w32_mouse_position would
195 return the time associated with the position it returns, but there
196 doesn't seem to be any way to wrest the time-stamp from the server
197 along with the position query. So, we just keep track of the time
198 of the last movement we received, and return that in hopes that
199 it's somewhat accurate. */
200 static Time last_mouse_movement_time
;
202 /* Incremented by w32_read_socket whenever it really tries to read
204 static int volatile input_signal_count
;
207 int w32_message_fd
= -1;
210 static void w32_handle_tool_bar_click (struct frame
*,
211 struct input_event
*);
212 static void w32_define_cursor (Window
, Cursor
);
214 void x_lower_frame (struct frame
*);
215 void x_scroll_bar_clear (struct frame
*);
216 void x_wm_set_size_hint (struct frame
*, long, bool);
217 void x_raise_frame (struct frame
*);
218 void x_set_window_size (struct frame
*, int, int, int);
219 void x_wm_set_window_state (struct frame
*, int);
220 void x_wm_set_icon_pixmap (struct frame
*, int);
221 static void w32_initialize (void);
222 static void x_update_end (struct frame
*);
223 static void w32_frame_up_to_date (struct frame
*);
224 static void x_clear_frame (struct frame
*);
225 static void frame_highlight (struct frame
*);
226 static void frame_unhighlight (struct frame
*);
227 static void x_new_focus_frame (struct w32_display_info
*,
229 static void x_focus_changed (int, int, struct w32_display_info
*,
230 struct frame
*, struct input_event
*);
231 static void w32_detect_focus_change (struct w32_display_info
*,
232 W32Msg
*, struct input_event
*);
233 static void w32_frame_rehighlight (struct frame
*);
234 static void x_frame_rehighlight (struct w32_display_info
*);
235 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
236 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
237 enum text_cursor_kinds
);
238 static void w32_clip_to_row (struct window
*, struct glyph_row
*,
239 enum glyph_row_area
, HDC
);
240 static BOOL
my_show_window (struct frame
*, HWND
, int);
241 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
243 static void my_set_focus (struct frame
*, HWND
);
245 static void my_set_foreground_window (HWND
);
246 static void my_destroy_window (struct frame
*, HWND
);
247 static void w32fullscreen_hook (struct frame
*);
250 static void x_check_font (struct frame
*, struct font
*);
253 static Lisp_Object Qvendor_specific_keysyms
;
254 static Lisp_Object Qadded
, Qremoved
, Qmodified
;
255 static Lisp_Object Qrenamed_from
, Qrenamed_to
;
258 /***********************************************************************
260 ***********************************************************************/
264 /* This is a function useful for recording debugging information about
265 the sequence of occurrences in this file. */
273 struct record event_record
[100];
275 int event_record_index
;
277 record_event (char *locus
, int type
)
279 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
280 event_record_index
= 0;
282 event_record
[event_record_index
].locus
= locus
;
283 event_record
[event_record_index
].type
= type
;
284 event_record_index
++;
291 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
294 if (mask
& GCForeground
)
295 gc
->foreground
= xgcv
->foreground
;
296 if (mask
& GCBackground
)
297 gc
->background
= xgcv
->background
;
299 gc
->font
= xgcv
->font
;
303 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
305 XGCValues
*gc
= xzalloc (sizeof (XGCValues
));
307 XChangeGC (ignore
, gc
, mask
, xgcv
);
313 XGetGCValues (void *ignore
, XGCValues
*gc
,
314 unsigned long mask
, XGCValues
*xgcv
)
316 XChangeGC (ignore
, xgcv
, mask
, gc
);
320 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
324 HRGN clip_region
= CreateRectRgnIndirect (rect
);
325 SelectClipRgn (hdc
, clip_region
);
326 DeleteObject (clip_region
);
329 SelectClipRgn (hdc
, NULL
);
332 /* Restore clipping rectangle in S */
334 w32_restore_glyph_string_clip (struct glyph_string
*s
)
337 int n
= s
->num_clips
;
340 w32_set_clip_rectangle (s
->hdc
, r
);
343 HRGN clip1
= CreateRectRgnIndirect (r
);
344 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
345 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
346 SelectClipRgn (s
->hdc
, clip1
);
347 DeleteObject (clip1
);
348 DeleteObject (clip2
);
353 Draw a wavy line under S. The wave fills wave_height pixels from y0.
359 wave_height = 3 | * * * *
364 w32_draw_underwave (struct glyph_string
*s
, COLORREF color
)
366 int wave_height
= 3, wave_length
= 2;
367 int dx
, dy
, x0
, y0
, width
, x1
, y1
, x2
, y2
, odd
, xmax
;
368 XRectangle wave_clip
, string_clip
, final_clip
;
369 RECT w32_final_clip
, w32_string_clip
;
373 dy
= wave_height
- 1;
375 y0
= s
->ybase
- wave_height
+ 3;
379 /* Find and set clipping rectangle */
383 wave_clip
.width
= width
;
384 wave_clip
.height
= wave_height
;
386 get_glyph_string_clip_rect (s
, &w32_string_clip
);
387 CONVERT_TO_XRECT (string_clip
, w32_string_clip
);
389 if (!x_intersect_rectangles (&wave_clip
, &string_clip
, &final_clip
))
392 hp
= CreatePen (PS_SOLID
, 0, color
);
393 oldhp
= SelectObject (s
->hdc
, hp
);
394 CONVERT_FROM_XRECT (final_clip
, w32_final_clip
);
395 w32_set_clip_rectangle (s
->hdc
, &w32_final_clip
);
409 MoveToEx (s
->hdc
, x1
, y1
, NULL
);
413 LineTo (s
->hdc
, x2
, y2
);
415 x2
+= dx
, y2
= y0
+ odd
*dy
;
419 /* Restore previous pen and clipping rectangle(s) */
420 w32_restore_glyph_string_clip (s
);
421 SelectObject (s
->hdc
, oldhp
);
425 /* Draw a hollow rectangle at the specified position. */
427 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
428 int width
, int height
)
433 hb
= CreateSolidBrush (gc
->background
);
434 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
435 oldhb
= SelectObject (hdc
, hb
);
436 oldhp
= SelectObject (hdc
, hp
);
438 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
440 SelectObject (hdc
, oldhb
);
441 SelectObject (hdc
, oldhp
);
446 /* Draw a filled rectangle at the specified position. */
448 w32_fill_rect (struct frame
*f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
452 hb
= CreateSolidBrush (pix
);
453 FillRect (hdc
, lprect
, hb
);
458 w32_clear_window (struct frame
*f
)
461 HDC hdc
= get_frame_dc (f
);
463 /* Under certain conditions, this can be called at startup with
464 a console frame pointer before the GUI frame is created. An HDC
465 of 0 indicates this. */
468 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
469 w32_clear_rect (f
, hdc
, &rect
);
472 release_frame_dc (f
, hdc
);
475 #define OPAQUE_FRAME 255
478 x_set_frame_alpha (struct frame
*f
)
480 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
482 double alpha_min
= 1.0;
485 HWND window
= FRAME_W32_WINDOW (f
);
487 /* Older versions of Windows do not support transparency. */
488 if (!pfnSetLayeredWindowAttributes
)
491 if (dpyinfo
->x_highlight_frame
== f
)
496 if (FLOATP (Vframe_alpha_lower_limit
))
497 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
498 else if (INTEGERP (Vframe_alpha_lower_limit
))
499 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
503 else if (alpha
> 1.0)
505 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
508 opac
= alpha
* OPAQUE_FRAME
;
510 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
512 if (opac
== OPAQUE_FRAME
)
513 ex_style
&= ~WS_EX_LAYERED
;
515 ex_style
|= WS_EX_LAYERED
;
517 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
519 if (opac
!= OPAQUE_FRAME
)
520 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
524 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
526 int pixels
= GetSystemMetrics (SM_CYVIRTUALSCREEN
);
529 /* Fallback for Windows 95 or NT 4.0. */
530 pixels
= GetSystemMetrics (SM_CYSCREEN
);
536 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
538 int pixels
= GetSystemMetrics (SM_CXVIRTUALSCREEN
);
541 /* Fallback for Windows 95 or NT 4.0. */
542 pixels
= GetSystemMetrics (SM_CXSCREEN
);
548 /***********************************************************************
549 Starting and ending an update
550 ***********************************************************************/
552 /* Start an update of frame F. This function is installed as a hook
553 for update_begin, i.e. it is called when update_begin is called.
554 This function is called prior to calls to x_update_window_begin for
555 each window being updated. */
558 x_update_begin (struct frame
*f
)
560 struct w32_display_info
*display_info
= FRAME_DISPLAY_INFO (f
);
562 if (! FRAME_W32_P (f
))
565 /* Regenerate display palette before drawing if list of requested
566 colors has changed. */
567 if (display_info
->regen_palette
)
569 w32_regenerate_palette (f
);
570 display_info
->regen_palette
= FALSE
;
575 /* Start update of window W. */
578 x_update_window_begin (struct window
*w
)
580 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
581 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
583 /* Hide the system caret during an update. */
584 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
586 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
589 w
->output_cursor
= w
->cursor
;
593 if (f
== hlinfo
->mouse_face_mouse_frame
)
595 /* Don't do highlighting for mouse motion during the update. */
596 hlinfo
->mouse_face_defer
= 1;
598 /* If F needs to be redrawn, simply forget about any prior mouse
600 if (FRAME_GARBAGED_P (f
))
601 hlinfo
->mouse_face_window
= Qnil
;
603 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
604 their mouse_face_p flag set, which means that they are always
605 unequal to rows in a desired matrix which never have that
606 flag set. So, rows containing mouse-face glyphs are never
607 scrolled, and we don't have to switch the mouse highlight off
608 here to prevent it from being scrolled. */
610 /* Can we tell that this update does not affect the window
611 where the mouse highlight is? If so, no need to turn off.
612 Likewise, don't do anything if the frame is garbaged;
613 in that case, the frame's current matrix that we would use
614 is all wrong, and we will redisplay that line anyway. */
615 if (!NILP (hlinfo
->mouse_face_window
)
616 && w
== XWINDOW (hlinfo
->mouse_face_window
))
620 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
621 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
624 if (i
< w
->desired_matrix
->nrows
)
625 clear_mouse_face (hlinfo
);
633 /* Draw a vertical window border from (x,y0) to (x,y1) */
636 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
638 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
648 hdc
= get_frame_dc (f
);
649 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
651 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
653 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
655 release_frame_dc (f
, hdc
);
659 /* End update of window W.
661 Draw vertical borders between horizontally adjacent windows, and
662 display W's cursor if CURSOR_ON_P is non-zero.
664 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
665 glyphs in mouse-face were overwritten. In that case we have to
666 make sure that the mouse-highlight is properly redrawn.
668 W may be a menu bar pseudo-window in case we don't have X toolkit
669 support. Such windows don't have a cursor, so don't display it
673 x_update_window_end (struct window
*w
, bool cursor_on_p
,
674 bool mouse_face_overwritten_p
)
676 if (!w
->pseudo_window_p
)
681 display_and_set_cursor (w
, 1,
682 w
->output_cursor
.hpos
, w
->output_cursor
.vpos
,
683 w
->output_cursor
.x
, w
->output_cursor
.y
);
685 if (draw_window_fringes (w
, 1))
686 x_draw_vertical_border (w
);
691 /* If a row with mouse-face was overwritten, arrange for
692 XTframe_up_to_date to redisplay the mouse highlight. */
693 if (mouse_face_overwritten_p
)
694 reset_mouse_highlight (MOUSE_HL_INFO (XFRAME (w
->frame
)));
696 /* Unhide the caret. This won't actually show the cursor, unless it
697 was visible before the corresponding call to HideCaret in
698 x_update_window_begin. */
699 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
701 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
706 /* End update of frame F. This function is installed as a hook in
710 x_update_end (struct frame
*f
)
712 if (! FRAME_W32_P (f
))
715 /* Mouse highlight may be displayed again. */
716 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
720 /* This function is called from various places in xdisp.c
721 whenever a complete update has been performed. */
724 w32_frame_up_to_date (struct frame
*f
)
727 FRAME_MOUSE_UPDATE (f
);
731 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
732 arrow bitmaps, or clear the fringes if no bitmaps are required
733 before DESIRED_ROW is made current. This function is called from
734 update_window_line only if it is known that there are differences
735 between bitmaps to be drawn between current row and DESIRED_ROW. */
738 x_after_update_window_line (struct window
*w
, struct glyph_row
*desired_row
)
745 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
746 desired_row
->redraw_fringe_bitmaps_p
= 1;
748 /* When a window has disappeared, make sure that no rest of
749 full-width rows stays visible in the internal border. Could
750 check here if updated window is the leftmost/rightmost window,
751 but I guess it's not worth doing since vertically split windows
752 are almost never used, internal border is rarely set, and the
753 overhead is very small. */
754 if (windows_or_buffers_changed
755 && desired_row
->full_width_p
756 && (f
= XFRAME (w
->frame
),
757 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
759 && (height
= desired_row
->visible_height
,
762 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
766 HDC hdc
= get_frame_dc (f
);
767 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
768 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
770 release_frame_dc (f
, hdc
);
777 /* Draw the bitmap WHICH in one of the left or right fringes of
778 window W. ROW is the glyph row for which to display the bitmap; it
779 determines the vertical position at which the bitmap has to be
783 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
784 struct draw_fringe_bitmap_params
*p
)
786 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
788 struct face
*face
= p
->face
;
790 hdc
= get_frame_dc (f
);
794 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
796 /* If the fringe is adjacent to the left (right) scroll bar of a
797 leftmost (rightmost, respectively) window, then extend its
798 background to the gap between the fringe and the bar. */
799 if ((WINDOW_LEFTMOST_P (w
)
800 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
801 || (WINDOW_RIGHTMOST_P (w
)
802 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
804 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
808 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
809 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
810 * FRAME_COLUMN_WIDTH (f
));
814 /* Bitmap fills the fringe. */
815 if (bar_area_x
+ bar_area_width
== p
->x
)
816 bx
= bar_area_x
+ sb_width
;
817 else if (p
->x
+ p
->wd
== bar_area_x
)
821 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
823 nx
= bar_area_width
- sb_width
;
824 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
826 ny
= row
->visible_height
;
831 if (bar_area_x
+ bar_area_width
== bx
)
833 bx
= bar_area_x
+ sb_width
;
834 nx
+= bar_area_width
- sb_width
;
836 else if (bx
+ nx
== bar_area_x
)
837 nx
+= bar_area_width
- sb_width
;
842 if (bx
>= 0 && nx
> 0)
843 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
846 /* Must clip because of partially visible lines. */
847 w32_clip_to_row (w
, row
, ANY_AREA
, hdc
);
849 if (p
->which
&& p
->which
< max_fringe_bmp
)
851 HBITMAP pixmap
= fringe_bmp
[p
->which
];
855 compat_hdc
= CreateCompatibleDC (hdc
);
859 horig_obj
= SelectObject (compat_hdc
, pixmap
);
861 /* Paint overlays transparently. */
864 HBRUSH h_brush
, h_orig_brush
;
866 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
867 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
868 h_brush
= CreateSolidBrush (face
->foreground
);
869 h_orig_brush
= SelectObject (hdc
, h_brush
);
871 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
872 compat_hdc
, 0, p
->dh
,
874 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
875 compat_hdc
, 0, p
->dh
,
877 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
878 compat_hdc
, 0, p
->dh
,
881 SelectObject (hdc
, h_orig_brush
);
882 DeleteObject (h_brush
);
886 SetTextColor (hdc
, face
->background
);
887 SetBkColor (hdc
, (p
->cursor_p
888 ? f
->output_data
.w32
->cursor_pixel
889 : face
->foreground
));
891 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
892 compat_hdc
, 0, p
->dh
,
896 SelectObject (compat_hdc
, horig_obj
);
897 DeleteDC (compat_hdc
);
901 w32_set_clip_rectangle (hdc
, NULL
);
903 release_frame_dc (f
, hdc
);
907 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
909 if (which
>= max_fringe_bmp
)
911 int i
= max_fringe_bmp
;
912 max_fringe_bmp
= which
+ 20;
913 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
914 while (i
< max_fringe_bmp
)
918 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
922 w32_destroy_fringe_bitmap (int which
)
924 if (which
>= max_fringe_bmp
)
927 if (fringe_bmp
[which
])
928 DeleteObject (fringe_bmp
[which
]);
929 fringe_bmp
[which
] = 0;
932 /***********************************************************************
934 ***********************************************************************/
936 /* Function prototypes of this page. */
938 static void x_set_glyph_string_clipping (struct glyph_string
*);
939 static void x_set_glyph_string_gc (struct glyph_string
*);
940 static void x_draw_glyph_string_background (struct glyph_string
*,
942 static void x_draw_glyph_string_foreground (struct glyph_string
*);
943 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
944 static void x_draw_glyph_string_box (struct glyph_string
*);
945 static void x_draw_glyph_string (struct glyph_string
*);
946 static void x_set_cursor_gc (struct glyph_string
*);
947 static void x_set_mode_line_face_gc (struct glyph_string
*);
948 static void x_set_mouse_face_gc (struct glyph_string
*);
949 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
950 static void w32_setup_relief_color (struct frame
*, struct relief
*,
951 double, int, COLORREF
);
952 static void x_setup_relief_colors (struct glyph_string
*);
953 static void x_draw_image_glyph_string (struct glyph_string
*);
954 static void x_draw_image_relief (struct glyph_string
*);
955 static void x_draw_image_foreground (struct glyph_string
*);
956 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
957 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
959 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
960 int, int, int, int, int, int,
962 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
963 int, int, int, RECT
*);
966 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
970 x_set_cursor_gc (struct glyph_string
*s
)
972 if (s
->font
== FRAME_FONT (s
->f
)
973 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
974 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
976 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
979 /* Cursor on non-default face: must merge. */
983 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
984 xgcv
.foreground
= s
->face
->background
;
986 /* If the glyph would be invisible, try a different foreground. */
987 if (xgcv
.foreground
== xgcv
.background
)
988 xgcv
.foreground
= s
->face
->foreground
;
989 if (xgcv
.foreground
== xgcv
.background
)
990 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
991 if (xgcv
.foreground
== xgcv
.background
)
992 xgcv
.foreground
= s
->face
->foreground
;
994 /* Make sure the cursor is distinct from text in this face. */
995 if (xgcv
.background
== s
->face
->background
996 && xgcv
.foreground
== s
->face
->foreground
)
998 xgcv
.background
= s
->face
->foreground
;
999 xgcv
.foreground
= s
->face
->background
;
1002 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1003 xgcv
.font
= s
->font
;
1004 mask
= GCForeground
| GCBackground
| GCFont
;
1006 if (FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1007 XChangeGC (NULL
, FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1010 FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1011 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1013 s
->gc
= FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1018 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1021 x_set_mouse_face_gc (struct glyph_string
*s
)
1026 /* What face has to be used last for the mouse face? */
1027 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
1028 face
= FACE_FROM_ID (s
->f
, face_id
);
1030 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1032 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1033 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1035 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1036 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1037 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1039 /* If font in this face is same as S->font, use it. */
1040 if (s
->font
== s
->face
->font
)
1041 s
->gc
= s
->face
->gc
;
1044 /* Otherwise construct scratch_cursor_gc with values from FACE
1049 xgcv
.background
= s
->face
->background
;
1050 xgcv
.foreground
= s
->face
->foreground
;
1051 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1052 xgcv
.font
= s
->font
;
1053 mask
= GCForeground
| GCBackground
| GCFont
;
1055 if (FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1056 XChangeGC (NULL
, FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1059 FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1060 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1062 s
->gc
= FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1065 eassert (s
->gc
!= 0);
1069 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1070 Faces to use in the mode line have already been computed when the
1071 matrix was built, so there isn't much to do, here. */
1074 x_set_mode_line_face_gc (struct glyph_string
*s
)
1076 s
->gc
= s
->face
->gc
;
1080 /* Set S->gc of glyph string S for drawing that glyph string. Set
1081 S->stippled_p to a non-zero value if the face of S has a stipple
1085 x_set_glyph_string_gc (struct glyph_string
*s
)
1087 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1089 if (s
->hl
== DRAW_NORMAL_TEXT
)
1091 s
->gc
= s
->face
->gc
;
1092 s
->stippled_p
= s
->face
->stipple
!= 0;
1094 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1096 x_set_mode_line_face_gc (s
);
1097 s
->stippled_p
= s
->face
->stipple
!= 0;
1099 else if (s
->hl
== DRAW_CURSOR
)
1101 x_set_cursor_gc (s
);
1104 else if (s
->hl
== DRAW_MOUSE_FACE
)
1106 x_set_mouse_face_gc (s
);
1107 s
->stippled_p
= s
->face
->stipple
!= 0;
1109 else if (s
->hl
== DRAW_IMAGE_RAISED
1110 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1112 s
->gc
= s
->face
->gc
;
1113 s
->stippled_p
= s
->face
->stipple
!= 0;
1117 s
->gc
= s
->face
->gc
;
1118 s
->stippled_p
= s
->face
->stipple
!= 0;
1121 /* GC must have been set. */
1122 eassert (s
->gc
!= 0);
1126 /* Set clipping for output of glyph string S. S may be part of a mode
1127 line or menu if we don't have X toolkit support. */
1130 x_set_glyph_string_clipping (struct glyph_string
*s
)
1133 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1136 w32_set_clip_rectangle (s
->hdc
, r
);
1139 HRGN clip1
= CreateRectRgnIndirect (r
);
1140 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1141 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1142 SelectClipRgn (s
->hdc
, clip1
);
1143 DeleteObject (clip1
);
1144 DeleteObject (clip2
);
1149 /* Set SRC's clipping for output of glyph string DST. This is called
1150 when we are drawing DST's left_overhang or right_overhang only in
1154 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1155 struct glyph_string
*dst
)
1160 r
.right
= r
.left
+ src
->width
;
1162 r
.bottom
= r
.top
+ src
->height
;
1165 w32_set_clip_rectangle (dst
->hdc
, &r
);
1169 Compute left and right overhang of glyph string S. */
1172 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1175 && s
->first_glyph
->type
== CHAR_GLYPH
1176 && !s
->font_not_found_p
)
1178 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1179 struct font
*font
= s
->font
;
1180 struct font_metrics metrics
;
1183 for (i
= 0; i
< s
->nchars
; i
++)
1184 code
[i
] = s
->char2b
[i
];
1185 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1186 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1187 ? metrics
.rbearing
- metrics
.width
: 0);
1188 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1192 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1193 s
->left_overhang
= -s
->cmp
->lbearing
;
1197 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1200 x_clear_glyph_string_rect (struct glyph_string
*s
,
1201 int x
, int y
, int w
, int h
)
1208 /* Take clipping into account. */
1209 if (s
->gc
->clip_mask
== Rect
)
1211 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1212 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1213 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1214 - s
->gc
->clip_rectangle
.left
);
1215 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1216 - s
->gc
->clip_rectangle
.top
);
1219 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1224 /* Draw the background of glyph_string S. If S->background_filled_p
1225 is non-zero don't draw it. FORCE_P non-zero means draw the
1226 background even if it wouldn't be drawn normally. This is used
1227 when a string preceding S draws into the background of S, or S
1228 contains the first component of a composition. */
1231 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1233 /* Nothing to do if background has already been drawn or if it
1234 shouldn't be drawn in the first place. */
1235 if (!s
->background_filled_p
)
1237 int box_line_width
= max (s
->face
->box_line_width
, 0);
1239 #if 0 /* TODO: stipple */
1242 /* Fill background with a stipple pattern. */
1243 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1244 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1245 s
->y
+ box_line_width
,
1246 s
->background_width
,
1247 s
->height
- 2 * box_line_width
);
1248 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1249 s
->background_filled_p
= 1;
1253 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1254 || s
->font_not_found_p
1255 || s
->extends_to_end_of_line_p
1258 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1259 s
->background_width
,
1260 s
->height
- 2 * box_line_width
);
1261 s
->background_filled_p
= 1;
1267 /* Draw the foreground of glyph string S. */
1270 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1274 /* If first glyph of S has a left box line, start drawing the text
1275 of S to the right of that box line. */
1276 if (s
->face
->box
!= FACE_NO_BOX
1277 && s
->first_glyph
->left_box_line_p
)
1278 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1282 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1283 SetBkColor (s
->hdc
, s
->gc
->background
);
1284 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1286 /* Draw characters of S as rectangles if S's font could not be
1288 if (s
->font_not_found_p
)
1290 for (i
= 0; i
< s
->nchars
; ++i
)
1292 struct glyph
*g
= s
->first_glyph
+ i
;
1294 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1296 x
+= g
->pixel_width
;
1301 struct font
*font
= s
->font
;
1302 int boff
= font
->baseline_offset
;
1306 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1308 if (font
->vertical_centering
)
1309 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1311 y
= s
->ybase
- boff
;
1313 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1314 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1316 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1317 if (s
->face
->overstrike
)
1318 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1320 SelectObject (s
->hdc
, old_font
);
1324 /* Draw the foreground of composite glyph string S. */
1327 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1330 struct font
*font
= s
->font
;
1332 /* If first glyph of S has a left box line, start drawing the text
1333 of S to the right of that box line. */
1334 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1335 && s
->first_glyph
->left_box_line_p
)
1336 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1340 /* S is a glyph string for a composition. S->cmp_from is the index
1341 of the first character drawn for glyphs of this composition.
1342 S->cmp_from == 0 means we are drawing the very first character of
1343 this composition. */
1345 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1346 SetBkColor (s
->hdc
, s
->gc
->background
);
1347 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1349 /* Draw a rectangle for the composition if the font for the very
1350 first character of the composition could not be loaded. */
1351 if (s
->font_not_found_p
)
1353 if (s
->cmp_from
== 0)
1354 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1357 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1362 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1364 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1365 /* TAB in a composition means display glyphs with padding
1366 space on the left or right. */
1367 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1369 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1370 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1372 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1373 if (s
->face
->overstrike
)
1374 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1376 SelectObject (s
->hdc
, old_font
);
1380 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1386 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1388 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1390 glyph
= LGSTRING_GLYPH (gstring
, i
);
1391 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1392 width
+= LGLYPH_WIDTH (glyph
);
1395 int xoff
, yoff
, wadjust
;
1399 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1402 xoff
= LGLYPH_XOFF (glyph
);
1403 yoff
= LGLYPH_YOFF (glyph
);
1404 wadjust
= LGLYPH_WADJUST (glyph
);
1405 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1412 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1414 SelectObject (s
->hdc
, old_font
);
1419 /* Draw the foreground of glyph string S for glyphless characters. */
1422 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1424 struct glyph
*glyph
= s
->first_glyph
;
1427 int with_background
;
1429 /* If first glyph of S has a left box line, start drawing the text
1430 of S to the right of that box line. */
1431 if (s
->face
->box
!= FACE_NO_BOX
1432 && s
->first_glyph
->left_box_line_p
)
1433 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1437 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1438 SetBkColor (s
->hdc
, s
->gc
->background
);
1439 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1442 with_background
= ! (s
->for_overlaps
1443 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1444 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1446 char buf
[7], *str
= NULL
;
1447 int len
= glyph
->u
.glyphless
.len
;
1449 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1452 && CHAR_TABLE_P (Vglyphless_char_display
)
1453 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1457 = (! glyph
->u
.glyphless
.for_no_font
1458 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1459 glyph
->u
.glyphless
.ch
)
1460 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1461 if (STRINGP (acronym
))
1462 str
= SSDATA (acronym
);
1465 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1467 sprintf ((char *) buf
, "%0*X",
1468 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1469 glyph
->u
.glyphless
.ch
);
1473 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1474 w32_draw_rectangle (s
->hdc
, s
->gc
,
1475 x
, s
->ybase
- glyph
->ascent
,
1476 glyph
->pixel_width
- 1,
1477 glyph
->ascent
+ glyph
->descent
- 1);
1480 struct font
*font
= s
->font
;
1481 int upper_len
= (len
+ 1) / 2;
1485 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1486 /* It is certain that all LEN characters in STR are ASCII. */
1487 for (j
= 0; j
< len
; j
++)
1489 code
= font
->driver
->encode_char (font
, str
[j
]);
1490 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1492 font
->driver
->draw (s
, 0, upper_len
,
1493 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1494 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1496 font
->driver
->draw (s
, upper_len
, len
,
1497 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1498 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1500 SelectObject (s
->hdc
, old_font
);
1502 x
+= glyph
->pixel_width
;
1507 /* Brightness beyond which a color won't have its highlight brightness
1510 Nominally, highlight colors for `3d' faces are calculated by
1511 brightening an object's color by a constant scale factor, but this
1512 doesn't yield good results for dark colors, so for colors whose
1513 brightness is less than this value (on a scale of 0-255) have to
1514 use an additional additive factor.
1516 The value here is set so that the default menu-bar/mode-line color
1517 (grey75) will not have its highlights changed at all. */
1518 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1521 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1522 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1523 If this produces the same color as COLOR, try a color where all RGB
1524 values have DELTA added. Return the allocated color in *COLOR.
1525 DISPLAY is the X display, CMAP is the colormap to operate on.
1526 Value is non-zero if successful. */
1529 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1530 double factor
, int delta
)
1535 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1538 /* Change RGB values by specified FACTOR. Avoid overflow! */
1539 eassert (factor
>= 0);
1540 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1541 min (0xff, factor
* GetGValue (*color
)),
1542 min (0xff, factor
* GetBValue (*color
)));
1544 /* Calculate brightness of COLOR. */
1545 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1546 + GetBValue (*color
)) / 6;
1548 /* We only boost colors that are darker than
1549 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1550 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1551 /* Make an additive adjustment to NEW, because it's dark enough so
1552 that scaling by FACTOR alone isn't enough. */
1554 /* How far below the limit this color is (0 - 1, 1 being darker). */
1555 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1556 /* The additive adjustment. */
1557 int min_delta
= delta
* dimness
* factor
/ 2;
1560 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1561 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1562 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1564 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1565 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1566 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1570 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1571 max (0, min (0xff, delta
+ GetGValue (*color
))),
1572 max (0, min (0xff, delta
+ GetBValue (*color
))));
1574 /* TODO: Map to palette and retry with delta if same? */
1575 /* TODO: Free colors (if using palette)? */
1585 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1586 colors in COLORS. On W32, we no longer try to map colors to
1589 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1593 for (i
= 0; i
< ncolors
; i
++)
1595 DWORD pixel
= colors
[i
].pixel
;
1596 /* Convert to a 16 bit value in range 0 - 0xffff. */
1597 colors
[i
].red
= GetRValue (pixel
) * 257;
1598 colors
[i
].green
= GetGValue (pixel
) * 257;
1599 colors
[i
].blue
= GetBValue (pixel
) * 257;
1604 x_query_color (struct frame
*f
, XColor
*color
)
1606 x_query_colors (f
, color
, 1);
1610 /* Set up the foreground color for drawing relief lines of glyph
1611 string S. RELIEF is a pointer to a struct relief containing the GC
1612 with which lines will be drawn. Use a color that is FACTOR or
1613 DELTA lighter or darker than the relief's background which is found
1614 in S->f->output_data.x->relief_background. If such a color cannot
1615 be allocated, use DEFAULT_PIXEL, instead. */
1618 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1619 int delta
, COLORREF default_pixel
)
1622 struct w32_output
*di
= f
->output_data
.w32
;
1623 unsigned long mask
= GCForeground
;
1625 COLORREF background
= di
->relief_background
;
1626 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
1628 /* TODO: Free colors (if using palette)? */
1630 /* Allocate new color. */
1631 xgcv
.foreground
= default_pixel
;
1633 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1635 relief
->allocated_p
= 1;
1636 xgcv
.foreground
= relief
->pixel
= pixel
;
1639 if (relief
->gc
== 0)
1641 #if 0 /* TODO: stipple */
1642 xgcv
.stipple
= dpyinfo
->gray
;
1645 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1648 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1652 /* Set up colors for the relief lines around glyph string S. */
1655 x_setup_relief_colors (struct glyph_string
*s
)
1657 struct w32_output
*di
= s
->f
->output_data
.w32
;
1660 if (s
->face
->use_box_color_for_shadows_p
)
1661 color
= s
->face
->box_color
;
1662 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1664 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1665 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1667 color
= s
->gc
->background
;
1669 if (di
->white_relief
.gc
== 0
1670 || color
!= di
->relief_background
)
1672 di
->relief_background
= color
;
1673 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1674 WHITE_PIX_DEFAULT (s
->f
));
1675 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1676 BLACK_PIX_DEFAULT (s
->f
));
1681 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1682 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1683 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1684 relief. LEFT_P non-zero means draw a relief on the left side of
1685 the rectangle. RIGHT_P non-zero means draw a relief on the right
1686 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1690 w32_draw_relief_rect (struct frame
*f
,
1691 int left_x
, int top_y
, int right_x
, int bottom_y
,
1692 int width
, int raised_p
,
1693 int top_p
, int bot_p
, int left_p
, int right_p
,
1698 HDC hdc
= get_frame_dc (f
);
1701 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1703 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1705 w32_set_clip_rectangle (hdc
, clip_rect
);
1709 for (i
= 0; i
< width
; ++i
)
1710 w32_fill_area (f
, hdc
, gc
.foreground
,
1711 left_x
+ i
* left_p
, top_y
+ i
,
1712 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1716 for (i
= 0; i
< width
; ++i
)
1717 w32_fill_area (f
, hdc
, gc
.foreground
,
1718 left_x
+ i
, top_y
+ (i
+ 1) * top_p
, 1,
1719 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1722 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1724 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1728 for (i
= 0; i
< width
; ++i
)
1729 w32_fill_area (f
, hdc
, gc
.foreground
,
1730 left_x
+ i
* left_p
, bottom_y
- i
,
1731 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1735 for (i
= 0; i
< width
; ++i
)
1736 w32_fill_area (f
, hdc
, gc
.foreground
,
1737 right_x
- i
, top_y
+ (i
+ 1) * top_p
, 1,
1738 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1740 w32_set_clip_rectangle (hdc
, NULL
);
1742 release_frame_dc (f
, hdc
);
1746 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1747 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1748 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1749 left side of the rectangle. RIGHT_P non-zero means draw a line
1750 on the right side of the rectangle. CLIP_RECT is the clipping
1751 rectangle to use when drawing. */
1754 w32_draw_box_rect (struct glyph_string
*s
,
1755 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1756 int left_p
, int right_p
, RECT
*clip_rect
)
1758 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1761 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1762 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1767 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1768 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1772 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1773 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1778 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1779 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1782 w32_set_clip_rectangle (s
->hdc
, NULL
);
1786 /* Draw a box around glyph string S. */
1789 x_draw_glyph_string_box (struct glyph_string
*s
)
1791 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1792 int left_p
, right_p
;
1793 struct glyph
*last_glyph
;
1796 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1797 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1798 : window_box_right (s
->w
, s
->area
));
1800 /* The glyph that may have a right box line. */
1801 last_glyph
= (s
->cmp
|| s
->img
1803 : s
->first_glyph
+ s
->nchars
- 1);
1805 width
= eabs (s
->face
->box_line_width
);
1806 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1808 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1810 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1812 bottom_y
= top_y
+ s
->height
- 1;
1814 left_p
= (s
->first_glyph
->left_box_line_p
1815 || (s
->hl
== DRAW_MOUSE_FACE
1817 || s
->prev
->hl
!= s
->hl
)));
1818 right_p
= (last_glyph
->right_box_line_p
1819 || (s
->hl
== DRAW_MOUSE_FACE
1821 || s
->next
->hl
!= s
->hl
)));
1823 get_glyph_string_clip_rect (s
, &clip_rect
);
1825 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1826 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1827 left_p
, right_p
, &clip_rect
);
1830 x_setup_relief_colors (s
);
1831 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1832 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1837 /* Draw foreground of image glyph string S. */
1840 x_draw_image_foreground (struct glyph_string
*s
)
1843 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1845 /* If first glyph of S has a left box line, start drawing it to the
1846 right of that line. */
1847 if (s
->face
->box
!= FACE_NO_BOX
1848 && s
->first_glyph
->left_box_line_p
1850 x
+= eabs (s
->face
->box_line_width
);
1852 /* If there is a margin around the image, adjust x- and y-position
1854 if (s
->slice
.x
== 0)
1855 x
+= s
->img
->hmargin
;
1856 if (s
->slice
.y
== 0)
1857 y
+= s
->img
->vmargin
;
1863 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1864 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1865 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1866 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1867 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1868 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1869 x_set_glyph_string_clipping (s
);
1873 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1874 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1876 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1877 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1879 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1880 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1881 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1882 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1883 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1884 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1886 SelectObject (mask_dc
, mask_orig_obj
);
1891 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1892 SetBkColor (s
->hdc
, s
->gc
->background
);
1894 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1895 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1897 /* When the image has a mask, we can expect that at
1898 least part of a mouse highlight or a block cursor will
1899 be visible. If the image doesn't have a mask, make
1900 a block cursor visible by drawing a rectangle around
1901 the image. I believe it's looking better if we do
1902 nothing here for mouse-face. */
1903 if (s
->hl
== DRAW_CURSOR
)
1905 int r
= s
->img
->relief
;
1907 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1908 s
->slice
.width
+ r
*2 - 1,
1909 s
->slice
.height
+ r
*2 - 1);
1913 w32_set_clip_rectangle (s
->hdc
, NULL
);
1914 SelectObject (s
->hdc
, orig_brush
);
1915 DeleteObject (fg_brush
);
1916 SelectObject (compat_hdc
, orig_obj
);
1917 DeleteDC (compat_hdc
);
1920 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1921 s
->slice
.width
- 1, s
->slice
.height
- 1);
1923 RestoreDC (s
->hdc
,-1);
1927 /* Draw a relief around the image glyph string S. */
1930 x_draw_image_relief (struct glyph_string
*s
)
1932 int x1
, y1
, thick
, raised_p
, top_p
, bot_p
, left_p
, right_p
;
1935 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1937 /* If first glyph of S has a left box line, start drawing it to the
1938 right of that line. */
1939 if (s
->face
->box
!= FACE_NO_BOX
1940 && s
->first_glyph
->left_box_line_p
1942 x
+= eabs (s
->face
->box_line_width
);
1944 /* If there is a margin around the image, adjust x- and y-position
1946 if (s
->slice
.x
== 0)
1947 x
+= s
->img
->hmargin
;
1948 if (s
->slice
.y
== 0)
1949 y
+= s
->img
->vmargin
;
1951 if (s
->hl
== DRAW_IMAGE_SUNKEN
1952 || s
->hl
== DRAW_IMAGE_RAISED
)
1954 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1955 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1956 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1960 thick
= eabs (s
->img
->relief
);
1961 raised_p
= s
->img
->relief
> 0;
1964 x1
= x
+ s
->slice
.width
- 1;
1965 y1
= y
+ s
->slice
.height
- 1;
1966 top_p
= bot_p
= left_p
= right_p
= 0;
1968 if (s
->slice
.x
== 0)
1969 x
-= thick
, left_p
= 1;
1970 if (s
->slice
.y
== 0)
1971 y
-= thick
, top_p
= 1;
1972 if (s
->slice
.x
+ s
->slice
.width
== s
->img
->width
)
1973 x1
+= thick
, right_p
= 1;
1974 if (s
->slice
.y
+ s
->slice
.height
== s
->img
->height
)
1975 y1
+= thick
, bot_p
= 1;
1977 x_setup_relief_colors (s
);
1978 get_glyph_string_clip_rect (s
, &r
);
1979 w32_draw_relief_rect (s
->f
, x
, y
, x1
, y1
, thick
, raised_p
,
1980 top_p
, bot_p
, left_p
, right_p
, &r
);
1984 /* Draw the foreground of image glyph string S to PIXMAP. */
1987 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
1989 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1990 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1992 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1994 /* If first glyph of S has a left box line, start drawing it to the
1995 right of that line. */
1996 if (s
->face
->box
!= FACE_NO_BOX
1997 && s
->first_glyph
->left_box_line_p
1999 x
+= eabs (s
->face
->box_line_width
);
2001 /* If there is a margin around the image, adjust x- and y-position
2003 if (s
->slice
.x
== 0)
2004 x
+= s
->img
->hmargin
;
2005 if (s
->slice
.y
== 0)
2006 y
+= s
->img
->vmargin
;
2010 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2011 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2012 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2013 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2017 HDC mask_dc
= CreateCompatibleDC (hdc
);
2018 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2020 SetTextColor (hdc
, RGB (0, 0, 0));
2021 SetBkColor (hdc
, RGB (255, 255, 255));
2022 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2023 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2024 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2025 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2026 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2027 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2029 SelectObject (mask_dc
, mask_orig_obj
);
2034 SetTextColor (hdc
, s
->gc
->foreground
);
2035 SetBkColor (hdc
, s
->gc
->background
);
2037 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2038 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2040 /* When the image has a mask, we can expect that at
2041 least part of a mouse highlight or a block cursor will
2042 be visible. If the image doesn't have a mask, make
2043 a block cursor visible by drawing a rectangle around
2044 the image. I believe it's looking better if we do
2045 nothing here for mouse-face. */
2046 if (s
->hl
== DRAW_CURSOR
)
2048 int r
= s
->img
->relief
;
2050 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2051 s
->slice
.width
+ r
*2 - 1,
2052 s
->slice
.height
+ r
*2 - 1);
2056 SelectObject (hdc
, orig_brush
);
2057 DeleteObject (fg_brush
);
2058 SelectObject (compat_hdc
, orig_obj
);
2059 DeleteDC (compat_hdc
);
2062 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2063 s
->slice
.width
- 1, s
->slice
.height
- 1);
2065 SelectObject (hdc
, orig_hdc_obj
);
2070 /* Draw part of the background of glyph string S. X, Y, W, and H
2071 give the rectangle to draw. */
2074 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2076 #if 0 /* TODO: stipple */
2079 /* Fill background with a stipple pattern. */
2080 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2081 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2082 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2086 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2090 /* Draw image glyph string S.
2093 s->x +-------------------------
2096 | +-------------------------
2099 | | +-------------------
2105 x_draw_image_glyph_string (struct glyph_string
*s
)
2108 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2109 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2113 height
= s
->height
- 2 * box_line_vwidth
;
2115 /* Fill background with face under the image. Do it only if row is
2116 taller than image or if image has a clip mask to reduce
2118 s
->stippled_p
= s
->face
->stipple
!= 0;
2119 if (height
> s
->slice
.height
2123 || s
->img
->pixmap
== 0
2124 || s
->width
!= s
->background_width
)
2127 if (s
->first_glyph
->left_box_line_p
2129 x
+= box_line_hwidth
;
2132 if (s
->slice
.y
== 0)
2133 y
+= box_line_vwidth
;
2135 #if 0 /* TODO: figure out if we need to do this on Windows. */
2138 /* Create a pixmap as large as the glyph string. Fill it
2139 with the background color. Copy the image to it, using
2140 its mask. Copy the temporary pixmap to the display. */
2141 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2142 int depth
= DefaultDepthOfScreen (screen
);
2144 /* Create a pixmap as large as the glyph string. */
2145 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2146 s
->background_width
,
2149 /* Don't clip in the following because we're working on the
2151 XSetClipMask (s
->display
, s
->gc
, None
);
2153 /* Fill the pixmap with the background color/stipple. */
2156 /* Fill background with a stipple pattern. */
2157 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2158 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2159 0, 0, s
->background_width
, s
->height
);
2160 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2165 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2167 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2168 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2169 0, 0, s
->background_width
, s
->height
);
2170 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2175 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2177 s
->background_filled_p
= 1;
2180 /* Draw the foreground. */
2183 w32_draw_image_foreground_1 (s
, pixmap
);
2184 x_set_glyph_string_clipping (s
);
2186 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2187 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2188 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2189 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2191 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2192 SetBkColor (s
->hdc
, s
->gc
->background
);
2193 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2194 compat_hdc
, 0, 0, SRCCOPY
);
2196 SelectObject (s
->hdc
, orig_brush
);
2197 DeleteObject (fg_brush
);
2198 SelectObject (compat_hdc
, orig_obj
);
2199 DeleteDC (compat_hdc
);
2201 DeleteObject (pixmap
);
2205 x_draw_image_foreground (s
);
2207 /* If we must draw a relief around the image, do it. */
2209 || s
->hl
== DRAW_IMAGE_RAISED
2210 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2211 x_draw_image_relief (s
);
2215 /* Draw stretch glyph string S. */
2218 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2220 eassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2222 if (s
->hl
== DRAW_CURSOR
2223 && !x_stretch_cursor_p
)
2225 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2226 wide as the stretch glyph. */
2227 int width
, background_width
= s
->background_width
;
2230 if (!s
->row
->reversed_p
)
2232 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2236 background_width
-= left_x
- x
;
2242 /* In R2L rows, draw the cursor on the right edge of the
2244 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2246 if (x
+ background_width
> right_x
)
2247 background_width
-= x
- right_x
;
2248 x
+= background_width
;
2250 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2251 if (s
->row
->reversed_p
)
2255 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2257 /* Clear rest using the GC of the original non-cursor face. */
2258 if (width
< background_width
)
2260 XGCValues
*gc
= s
->face
->gc
;
2262 int w
= background_width
- width
, h
= s
->height
;
2266 if (!s
->row
->reversed_p
)
2270 if (s
->row
->mouse_face_p
2271 && cursor_in_mouse_face_p (s
->w
))
2273 x_set_mouse_face_gc (s
);
2279 get_glyph_string_clip_rect (s
, &r
);
2280 w32_set_clip_rectangle (hdc
, &r
);
2282 #if 0 /* TODO: stipple */
2283 if (s
->face
->stipple
)
2285 /* Fill background with a stipple pattern. */
2286 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2287 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2288 XSetFillStyle (s
->display
, gc
, FillSolid
);
2293 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2297 else if (!s
->background_filled_p
)
2299 int background_width
= s
->background_width
;
2300 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2302 /* Don't draw into left margin, fringe or scrollbar area
2303 except for header line and mode line. */
2304 if (x
< left_x
&& !s
->row
->mode_line_p
)
2306 background_width
-= left_x
- x
;
2309 if (background_width
> 0)
2310 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2313 s
->background_filled_p
= 1;
2317 /* Draw glyph string S. */
2320 x_draw_glyph_string (struct glyph_string
*s
)
2322 bool relief_drawn_p
= 0;
2324 /* If S draws into the background of its successor, draw the
2325 background of the successor first so that S can draw into it.
2326 This makes S->next use XDrawString instead of XDrawImageString. */
2327 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2330 struct glyph_string
*next
;
2331 for (width
= 0, next
= s
->next
;
2332 next
&& width
< s
->right_overhang
;
2333 width
+= next
->width
, next
= next
->next
)
2334 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2336 x_set_glyph_string_gc (next
);
2337 x_set_glyph_string_clipping (next
);
2338 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2339 x_draw_stretch_glyph_string (next
);
2341 x_draw_glyph_string_background (next
, 1);
2342 next
->num_clips
= 0;
2346 /* Set up S->gc, set clipping and draw S. */
2347 x_set_glyph_string_gc (s
);
2349 /* Draw relief (if any) in advance for char/composition so that the
2350 glyph string can be drawn over it. */
2351 if (!s
->for_overlaps
2352 && s
->face
->box
!= FACE_NO_BOX
2353 && (s
->first_glyph
->type
== CHAR_GLYPH
2354 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2357 x_set_glyph_string_clipping (s
);
2358 x_draw_glyph_string_background (s
, 1);
2359 x_draw_glyph_string_box (s
);
2360 x_set_glyph_string_clipping (s
);
2363 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2365 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2366 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2367 /* We must clip just this glyph. left_overhang part has already
2368 drawn when s->prev was drawn, and right_overhang part will be
2369 drawn later when s->next is drawn. */
2370 x_set_glyph_string_clipping_exactly (s
, s
);
2372 x_set_glyph_string_clipping (s
);
2374 switch (s
->first_glyph
->type
)
2377 x_draw_image_glyph_string (s
);
2381 x_draw_stretch_glyph_string (s
);
2385 if (s
->for_overlaps
)
2386 s
->background_filled_p
= 1;
2388 x_draw_glyph_string_background (s
, 0);
2389 x_draw_glyph_string_foreground (s
);
2392 case COMPOSITE_GLYPH
:
2393 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2394 && ! s
->first_glyph
->u
.cmp
.automatic
))
2395 s
->background_filled_p
= 1;
2397 x_draw_glyph_string_background (s
, 1);
2398 x_draw_composite_glyph_string_foreground (s
);
2401 case GLYPHLESS_GLYPH
:
2402 if (s
->for_overlaps
)
2403 s
->background_filled_p
= 1;
2405 x_draw_glyph_string_background (s
, 0);
2406 x_draw_glyphless_glyph_string_foreground (s
);
2413 if (!s
->for_overlaps
)
2415 /* Draw underline. */
2416 if (s
->face
->underline_p
)
2418 if (s
->face
->underline_type
== FACE_UNDER_WAVE
)
2422 if (s
->face
->underline_defaulted_p
)
2423 color
= s
->gc
->foreground
;
2425 color
= s
->face
->underline_color
;
2427 w32_draw_underwave (s
, color
);
2429 else if (s
->face
->underline_type
== FACE_UNDER_LINE
)
2431 unsigned long thickness
, position
;
2434 if (s
->prev
&& s
->prev
->face
->underline_p
2435 && s
->prev
->face
->underline_type
== FACE_UNDER_LINE
)
2437 /* We use the same underline style as the previous one. */
2438 thickness
= s
->prev
->underline_thickness
;
2439 position
= s
->prev
->underline_position
;
2443 /* Get the underline thickness. Default is 1 pixel. */
2444 if (s
->font
&& s
->font
->underline_thickness
> 0)
2445 thickness
= s
->font
->underline_thickness
;
2448 if (x_underline_at_descent_line
)
2449 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2452 /* Get the underline position. This is the recommended
2453 vertical offset in pixels from the baseline to the top of
2454 the underline. This is a signed value according to the
2455 specs, and its default is
2457 ROUND ((maximum_descent) / 2), with
2458 ROUND (x) = floor (x + 0.5) */
2460 if (x_use_underline_position_properties
2461 && s
->font
&& s
->font
->underline_position
>= 0)
2462 position
= s
->font
->underline_position
;
2464 position
= (s
->font
->descent
+ 1) / 2;
2466 position
= max (position
, underline_minimum_offset
);
2468 /* Check the sanity of thickness and position. We should
2469 avoid drawing underline out of the current line area. */
2470 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2471 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2472 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2473 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2474 s
->underline_thickness
= thickness
;
2475 s
->underline_position
=position
;
2476 y
= s
->ybase
+ position
;
2477 if (s
->face
->underline_defaulted_p
)
2479 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2484 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2489 /* Draw overline. */
2490 if (s
->face
->overline_p
)
2492 unsigned long dy
= 0, h
= 1;
2494 if (s
->face
->overline_color_defaulted_p
)
2496 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2497 s
->y
+ dy
, s
->width
, h
);
2501 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2502 s
->y
+ dy
, s
->width
, h
);
2506 /* Draw strike-through. */
2507 if (s
->face
->strike_through_p
2508 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2510 unsigned long h
= 1;
2511 unsigned long dy
= (s
->height
- h
) / 2;
2513 if (s
->face
->strike_through_color_defaulted_p
)
2515 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2520 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2521 s
->y
+ dy
, s
->width
, h
);
2525 /* Draw relief if not yet drawn. */
2526 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2527 x_draw_glyph_string_box (s
);
2531 struct glyph_string
*prev
;
2533 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2534 if (prev
->hl
!= s
->hl
2535 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2537 /* As prev was drawn while clipped to its own area, we
2538 must draw the right_overhang part using s->hl now. */
2539 enum draw_glyphs_face save
= prev
->hl
;
2542 x_set_glyph_string_gc (prev
);
2543 x_set_glyph_string_clipping_exactly (s
, prev
);
2544 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2545 x_draw_glyph_string_foreground (prev
);
2547 x_draw_composite_glyph_string_foreground (prev
);
2548 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2550 prev
->num_clips
= 0;
2556 struct glyph_string
*next
;
2558 for (next
= s
->next
; next
; next
= next
->next
)
2559 if (next
->hl
!= s
->hl
2560 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2562 /* As next will be drawn while clipped to its own area,
2563 we must draw the left_overhang part using s->hl now. */
2564 enum draw_glyphs_face save
= next
->hl
;
2567 x_set_glyph_string_gc (next
);
2568 x_set_glyph_string_clipping_exactly (s
, next
);
2569 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2570 x_draw_glyph_string_foreground (next
);
2572 x_draw_composite_glyph_string_foreground (next
);
2573 w32_set_clip_rectangle (next
->hdc
, NULL
);
2575 next
->num_clips
= 0;
2576 next
->clip_head
= s
->next
;
2581 /* Reset clipping. */
2582 w32_set_clip_rectangle (s
->hdc
, NULL
);
2587 /* Shift display to make room for inserted glyphs. */
2590 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2591 int width
, int height
, int shift_by
)
2595 hdc
= get_frame_dc (f
);
2596 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2597 hdc
, x
, y
, SRCCOPY
);
2599 release_frame_dc (f
, hdc
);
2603 /* Delete N glyphs at the nominal cursor position. Not implemented
2607 x_delete_glyphs (struct frame
*f
, register int n
)
2609 if (! FRAME_W32_P (f
))
2616 /* Clear entire frame. */
2619 x_clear_frame (struct frame
*f
)
2621 if (! FRAME_W32_P (f
))
2624 /* Clearing the frame will erase any cursor, so mark them all as no
2626 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2630 w32_clear_window (f
);
2632 /* We have to clear the scroll bars, too. If we have changed
2633 colors or something like that, then they should be notified. */
2634 x_scroll_bar_clear (f
);
2640 /* Make audible bell. */
2643 w32_ring_bell (struct frame
*f
)
2647 if (FRAME_W32_P (f
) && visible_bell
)
2650 HWND hwnd
= FRAME_W32_WINDOW (f
);
2652 for (i
= 0; i
< 5; i
++)
2654 FlashWindow (hwnd
, TRUE
);
2657 FlashWindow (hwnd
, FALSE
);
2660 w32_sys_ring_bell (f
);
2665 /***********************************************************************
2667 ***********************************************************************/
2669 /* Perform an insert-lines or delete-lines operation, inserting N
2670 lines or deleting -N lines at vertical position VPOS. */
2673 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2675 if (! FRAME_W32_P (f
))
2682 /* Scroll part of the display as described by RUN. */
2685 x_scroll_run (struct window
*w
, struct run
*run
)
2687 struct frame
*f
= XFRAME (w
->frame
);
2688 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2689 HWND hwnd
= FRAME_W32_WINDOW (f
);
2692 /* Get frame-relative bounding box of the text display area of W,
2693 without mode lines. Include in this box the left and right
2695 window_box (w
, ANY_AREA
, &x
, &y
, &width
, &height
);
2697 /* If the fringe is adjacent to the left (right) scroll bar of a
2698 leftmost (rightmost, respectively) window, then extend its
2699 background to the gap between the fringe and the bar. */
2700 if ((WINDOW_LEFTMOST_P (w
)
2701 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2702 || (WINDOW_RIGHTMOST_P (w
)
2703 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2705 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2709 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2710 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2711 * FRAME_COLUMN_WIDTH (f
));
2713 if (bar_area_x
+ bar_area_width
== x
)
2715 x
= bar_area_x
+ sb_width
;
2716 width
+= bar_area_width
- sb_width
;
2718 else if (x
+ width
== bar_area_x
)
2719 width
+= bar_area_width
- sb_width
;
2723 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2724 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2725 bottom_y
= y
+ height
;
2729 /* Scrolling up. Make sure we don't copy part of the mode
2730 line at the bottom. */
2731 if (from_y
+ run
->height
> bottom_y
)
2732 height
= bottom_y
- from_y
;
2734 height
= run
->height
;
2735 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2739 /* Scrolling down. Make sure we don't copy over the mode line.
2741 if (to_y
+ run
->height
> bottom_y
)
2742 height
= bottom_y
- to_y
;
2744 height
= run
->height
;
2745 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2750 /* Cursor off. Will be switched on again in x_update_window_end. */
2756 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2757 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2759 from
.left
= to
.left
= x
;
2760 from
.right
= to
.right
= x
+ width
;
2762 from
.bottom
= from_y
+ height
;
2764 to
.bottom
= bottom_y
;
2766 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2767 NULL
, SW_INVALIDATE
);
2769 /* Combine this with what we expect to be dirty. This covers the
2770 case where not all of the region we expect is actually dirty. */
2771 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2773 /* If the dirty region is not what we expected, redraw the entire frame. */
2774 if (!EqualRgn (combined
, expect_dirty
))
2775 SET_FRAME_GARBAGED (f
);
2777 DeleteObject (dirty
);
2778 DeleteObject (combined
);
2782 DeleteObject (expect_dirty
);
2787 /***********************************************************************
2789 ***********************************************************************/
2792 frame_highlight (struct frame
*f
)
2794 x_update_cursor (f
, 1);
2795 x_set_frame_alpha (f
);
2799 frame_unhighlight (struct frame
*f
)
2801 x_update_cursor (f
, 1);
2802 x_set_frame_alpha (f
);
2805 /* The focus has changed. Update the frames as necessary to reflect
2806 the new situation. Note that we can't change the selected frame
2807 here, because the Lisp code we are interrupting might become confused.
2808 Each event gets marked with the frame in which it occurred, so the
2809 Lisp code can tell when the switch took place by examining the events. */
2812 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2814 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2816 if (frame
!= dpyinfo
->w32_focus_frame
)
2818 /* Set this before calling other routines, so that they see
2819 the correct value of w32_focus_frame. */
2820 dpyinfo
->w32_focus_frame
= frame
;
2822 if (old_focus
&& old_focus
->auto_lower
)
2823 x_lower_frame (old_focus
);
2825 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2826 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2828 pending_autoraise_frame
= 0;
2831 x_frame_rehighlight (dpyinfo
);
2835 /* Handle FocusIn and FocusOut state changes for FRAME.
2836 If FRAME has focus and there exists more than one frame, puts
2837 a FOCUS_IN_EVENT into *BUFP. */
2840 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2841 struct frame
*frame
, struct input_event
*bufp
)
2843 if (type
== WM_SETFOCUS
)
2845 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2847 x_new_focus_frame (dpyinfo
, frame
);
2848 dpyinfo
->w32_focus_event_frame
= frame
;
2850 /* Don't stop displaying the initial startup message
2851 for a switch-frame event we don't need. */
2852 if (NILP (Vterminal_frame
)
2853 && CONSP (Vframe_list
)
2854 && !NILP (XCDR (Vframe_list
)))
2863 bufp
->kind
= FOCUS_IN_EVENT
;
2864 XSETFRAME (bufp
->frame_or_window
, frame
);
2867 frame
->output_data
.x
->focus_state
|= state
;
2869 /* TODO: IME focus? */
2871 else if (type
== WM_KILLFOCUS
)
2873 frame
->output_data
.x
->focus_state
&= ~state
;
2875 if (dpyinfo
->w32_focus_event_frame
== frame
)
2877 dpyinfo
->w32_focus_event_frame
= 0;
2878 x_new_focus_frame (dpyinfo
, 0);
2880 bufp
->kind
= FOCUS_OUT_EVENT
;
2881 XSETFRAME (bufp
->frame_or_window
, frame
);
2884 /* TODO: IME focus? */
2889 /* The focus may have changed. Figure out if it is a real focus change,
2890 by checking both FocusIn/Out and Enter/LeaveNotify events.
2892 Returns FOCUS_IN_EVENT event in *BUFP. */
2895 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2896 struct input_event
*bufp
)
2898 struct frame
*frame
;
2900 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2904 /* On w32, this is only called from focus events, so no switch needed. */
2905 x_focus_changed (event
->msg
.message
,
2906 (event
->msg
.message
== WM_KILLFOCUS
?
2907 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2908 dpyinfo
, frame
, bufp
);
2912 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2915 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2917 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2920 /* The focus has changed, or we have redirected a frame's focus to
2921 another frame (this happens when a frame uses a surrogate
2922 mini-buffer frame). Shift the highlight as appropriate.
2924 The FRAME argument doesn't necessarily have anything to do with which
2925 frame is being highlighted or un-highlighted; we only use it to find
2926 the appropriate X display info. */
2929 w32_frame_rehighlight (struct frame
*frame
)
2931 if (! FRAME_W32_P (frame
))
2933 x_frame_rehighlight (FRAME_DISPLAY_INFO (frame
));
2937 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2939 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2941 if (dpyinfo
->w32_focus_frame
)
2943 dpyinfo
->x_highlight_frame
2944 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2945 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2946 : dpyinfo
->w32_focus_frame
);
2947 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2949 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
2950 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2954 dpyinfo
->x_highlight_frame
= 0;
2956 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2959 frame_unhighlight (old_highlight
);
2960 if (dpyinfo
->x_highlight_frame
)
2961 frame_highlight (dpyinfo
->x_highlight_frame
);
2965 /* Keyboard processing - modifier keys, etc. */
2967 /* Convert a keysym to its name. */
2970 x_get_keysym_name (int keysym
)
2972 /* Make static so we can always return it */
2973 static char value
[100];
2976 GetKeyNameText (keysym
, value
, 100);
2983 codepage_for_locale (LCID locale
)
2987 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
2994 /* Mouse clicks and mouse movement. Rah. */
2996 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2997 the state in PUP. XBUTTON provides extra information for extended mouse
2998 button messages. Returns FALSE if unable to parse the message. */
3000 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
3007 case WM_LBUTTONDOWN
:
3015 case WM_MBUTTONDOWN
:
3016 if (NILP (Vw32_swap_mouse_buttons
))
3023 if (NILP (Vw32_swap_mouse_buttons
))
3029 case WM_RBUTTONDOWN
:
3030 if (NILP (Vw32_swap_mouse_buttons
))
3037 if (NILP (Vw32_swap_mouse_buttons
))
3043 case WM_XBUTTONDOWN
:
3044 button
= xbutton
+ 2;
3048 button
= xbutton
+ 2;
3056 if (pbutton
) *pbutton
= button
;
3062 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3064 If the event is a button press, then note that we have grabbed
3068 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3073 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3076 /* Make the event type NO_EVENT; we'll change that when we decide
3078 result
->kind
= MOUSE_CLICK_EVENT
;
3079 result
->code
= button
;
3080 result
->timestamp
= msg
->msg
.time
;
3081 result
->modifiers
= (msg
->dwModifiers
3086 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3087 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3088 XSETFRAME (result
->frame_or_window
, f
);
3094 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3099 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3102 result
->timestamp
= msg
->msg
.time
;
3104 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3105 forward, away from the user (up); a negative value indicates that
3106 the wheel was rotated backward, toward the user (down). */
3107 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3109 /* The up and down modifiers indicate if the wheel was rotated up or
3110 down based on WHEEL_DELTA value. */
3111 result
->modifiers
= (msg
->dwModifiers
3112 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3114 /* With multiple monitors, we can legitimately get negative
3115 coordinates, so cast to short to interpret them correctly. */
3116 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3117 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3118 ScreenToClient (msg
->msg
.hwnd
, &p
);
3119 XSETINT (result
->x
, p
.x
);
3120 XSETINT (result
->y
, p
.y
);
3121 XSETFRAME (result
->frame_or_window
, f
);
3127 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3137 result
->kind
= DRAG_N_DROP_EVENT
;
3139 result
->timestamp
= msg
->msg
.time
;
3140 result
->modifiers
= msg
->dwModifiers
;
3142 hdrop
= (HDROP
) msg
->msg
.wParam
;
3143 DragQueryPoint (hdrop
, &p
);
3146 p
.x
= LOWORD (msg
->msg
.lParam
);
3147 p
.y
= HIWORD (msg
->msg
.lParam
);
3148 ScreenToClient (msg
->msg
.hwnd
, &p
);
3151 XSETINT (result
->x
, p
.x
);
3152 XSETINT (result
->y
, p
.y
);
3154 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3157 for (i
= 0; i
< num_files
; i
++)
3159 len
= GUI_FN (DragQueryFile
) (hdrop
, i
, NULL
, 0);
3163 name
= alloca ((len
+ 1) * sizeof (*name
));
3164 GUI_FN (DragQueryFile
) (hdrop
, i
, name
, len
+ 1);
3165 #ifdef NTGUI_UNICODE
3166 files
= Fcons (from_unicode_buffer (name
), files
);
3168 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3169 #endif /* NTGUI_UNICODE */
3174 XSETFRAME (frame
, f
);
3175 result
->frame_or_window
= frame
;
3176 result
->arg
= files
;
3183 /* File event notifications (see w32notify.c). */
3186 lispy_file_action (DWORD action
)
3188 static char unknown_fmt
[] = "unknown-action(%d)";
3193 case FILE_ACTION_ADDED
:
3196 case FILE_ACTION_REMOVED
:
3199 case FILE_ACTION_MODIFIED
:
3202 case FILE_ACTION_RENAMED_OLD_NAME
:
3203 retval
= Qrenamed_from
;
3205 case FILE_ACTION_RENAMED_NEW_NAME
:
3206 retval
= Qrenamed_to
;
3210 char buf
[sizeof(unknown_fmt
) - 1 + INT_STRLEN_BOUND (DWORD
)];
3212 sprintf (buf
, unknown_fmt
, action
);
3213 retval
= intern (buf
);
3222 /* Put file notifications into the Emacs input event queue. This
3223 function runs when the WM_EMACS_FILENOTIFY message arrives from a
3226 queue_notifications (struct input_event
*event
, W32Msg
*msg
, struct frame
*f
,
3229 BYTE
*p
= file_notifications
;
3230 FILE_NOTIFY_INFORMATION
*fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3231 const DWORD min_size
3232 = offsetof (FILE_NOTIFY_INFORMATION
, FileName
) + sizeof(wchar_t);
3235 /* We cannot process notification before Emacs is fully initialized,
3236 since we need the UTF-16LE coding-system to be set up. */
3239 notification_buffer_in_use
= 0;
3243 XSETFRAME (frame
, f
);
3246 if (notification_buffer_in_use
)
3248 DWORD info_size
= notifications_size
;
3249 Lisp_Object cs
= intern ("utf-16le");
3250 Lisp_Object obj
= w32_get_watch_object (notifications_desc
);
3252 /* notifications_size could be zero when the buffer of
3253 notifications overflowed on the OS level, or when the
3254 directory being watched was itself deleted. Do nothing in
3257 && !NILP (obj
) && CONSP (obj
))
3259 Lisp_Object callback
= XCDR (obj
);
3261 while (info_size
>= min_size
)
3263 Lisp_Object utf_16_fn
3264 = make_unibyte_string ((char *)fni
->FileName
,
3265 fni
->FileNameLength
);
3266 /* Note: mule-conf is preloaded, so utf-16le must
3267 already be defined at this point. */
3269 = code_convert_string_norecord (utf_16_fn
, cs
, 0);
3270 Lisp_Object action
= lispy_file_action (fni
->Action
);
3272 event
->kind
= FILE_NOTIFY_EVENT
;
3274 = (ptrdiff_t)XINT (XIL ((EMACS_INT
)notifications_desc
));
3275 event
->timestamp
= msg
->msg
.time
;
3276 event
->modifiers
= 0;
3277 event
->frame_or_window
= callback
;
3278 event
->arg
= Fcons (action
, fname
);
3279 kbd_buffer_store_event (event
);
3282 if (!fni
->NextEntryOffset
)
3284 p
+= fni
->NextEntryOffset
;
3285 fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3286 info_size
-= fni
->NextEntryOffset
;
3289 notification_buffer_in_use
= 0;
3292 DebPrint (("We were promised notifications, but in-use flag is zero!\n"));
3295 /* We've stuffed all the events ourselves, so w32_read_socket shouldn't. */
3296 event
->kind
= NO_EVENT
;
3298 #endif /* WINDOWSNT */
3299 #endif /* HAVE_W32NOTIFY */
3302 /* Function to report a mouse movement to the mainstream Emacs code.
3303 The input handler calls this.
3305 We have received a mouse movement event, which is given in *event.
3306 If the mouse is over a different glyph than it was last time, tell
3307 the mainstream emacs code by setting mouse_moved. If not, ask for
3308 another motion event, so we can check again the next time it moves. */
3310 static MSG last_mouse_motion_event
;
3311 static Lisp_Object last_mouse_motion_frame
;
3314 note_mouse_movement (struct frame
*frame
, MSG
*msg
)
3316 int mouse_x
= LOWORD (msg
->lParam
);
3317 int mouse_y
= HIWORD (msg
->lParam
);
3319 last_mouse_movement_time
= msg
->time
;
3320 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3321 XSETFRAME (last_mouse_motion_frame
, frame
);
3323 if (!FRAME_X_OUTPUT (frame
))
3326 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3328 frame
->mouse_moved
= 1;
3329 last_mouse_scroll_bar
= Qnil
;
3330 note_mouse_highlight (frame
, -1, -1);
3331 last_mouse_glyph_frame
= 0;
3335 /* Has the mouse moved off the glyph it was on at the last sighting? */
3336 if (frame
!= last_mouse_glyph_frame
3337 || mouse_x
< last_mouse_glyph
.left
3338 || mouse_x
>= last_mouse_glyph
.right
3339 || mouse_y
< last_mouse_glyph
.top
3340 || mouse_y
>= last_mouse_glyph
.bottom
)
3342 frame
->mouse_moved
= 1;
3343 last_mouse_scroll_bar
= Qnil
;
3344 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3345 /* Remember the mouse position here, as w32_mouse_position only
3346 gets called when mouse tracking is enabled but we also need
3347 to keep track of the mouse for help_echo and highlighting at
3349 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3350 last_mouse_glyph_frame
= frame
;
3358 /************************************************************************
3360 ************************************************************************/
3362 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3363 static void x_scroll_bar_report_motion (struct frame
**, Lisp_Object
*,
3364 enum scroll_bar_part
*,
3365 Lisp_Object
*, Lisp_Object
*,
3367 static void x_check_fullscreen (struct frame
*);
3370 redo_mouse_highlight (void)
3372 if (!NILP (last_mouse_motion_frame
)
3373 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3374 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3375 LOWORD (last_mouse_motion_event
.lParam
),
3376 HIWORD (last_mouse_motion_event
.lParam
));
3380 w32_define_cursor (Window window
, Cursor cursor
)
3382 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3384 /* Return the current position of the mouse.
3385 *fp should be a frame which indicates which display to ask about.
3387 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3388 and *part to the frame, window, and scroll bar part that the mouse
3389 is over. Set *x and *y to the portion and whole of the mouse's
3390 position on the scroll bar.
3392 If the mouse movement started elsewhere, set *fp to the frame the
3393 mouse is on, *bar_window to nil, and *x and *y to the character cell
3396 Set *time to the server time-stamp for the time at which the mouse
3397 was at this position.
3399 Don't store anything if we don't have a valid set of values to report.
3401 This clears the mouse_moved flag, so we can wait for the next mouse
3405 w32_mouse_position (struct frame
**fp
, int insist
, Lisp_Object
*bar_window
,
3406 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3407 unsigned long *time
)
3413 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3414 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3419 Lisp_Object frame
, tail
;
3421 /* Clear the mouse-moved flag for every frame on this display. */
3422 FOR_EACH_FRAME (tail
, frame
)
3423 XFRAME (frame
)->mouse_moved
= 0;
3425 last_mouse_scroll_bar
= Qnil
;
3429 /* Now we have a position on the root; find the innermost window
3430 containing the pointer. */
3432 if (FRAME_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3433 && FRAME_LIVE_P (last_mouse_frame
))
3435 /* If mouse was grabbed on a frame, give coords for that frame
3436 even if the mouse is now outside it. */
3437 f1
= last_mouse_frame
;
3441 /* Is window under mouse one of our frames? */
3442 f1
= x_any_window_to_frame (FRAME_DISPLAY_INFO (*fp
),
3443 WindowFromPoint (pt
));
3446 /* If not, is it one of our scroll bars? */
3449 struct scroll_bar
*bar
3450 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3454 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3458 if (f1
== 0 && insist
> 0)
3459 f1
= SELECTED_FRAME ();
3463 /* Ok, we found a frame. Store all the values.
3464 last_mouse_glyph is a rectangle used to reduce the
3465 generation of mouse events. To not miss any motion
3466 events, we must divide the frame into rectangles of the
3467 size of the smallest character that could be displayed
3468 on it, i.e. into the same rectangles that matrices on
3469 the frame are divided into. */
3471 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3472 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3473 last_mouse_glyph_frame
= f1
;
3480 *time
= last_mouse_movement_time
;
3489 /***********************************************************************
3491 ***********************************************************************/
3493 /* Handle mouse button event on the tool-bar of frame F, at
3494 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3495 or ButtonRelease. */
3498 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3500 int x
= XFASTINT (button_event
->x
);
3501 int y
= XFASTINT (button_event
->y
);
3503 if (button_event
->modifiers
& down_modifier
)
3504 handle_tool_bar_click (f
, x
, y
, 1, 0);
3506 handle_tool_bar_click (f
, x
, y
, 0,
3507 button_event
->modifiers
& ~up_modifier
);
3512 /***********************************************************************
3514 ***********************************************************************/
3516 /* Scroll bar support. */
3518 /* Given a window ID, find the struct scroll_bar which manages it.
3519 This can be called in GC, so we have to make sure to strip off mark
3522 static struct scroll_bar
*
3523 x_window_to_scroll_bar (Window window_id
)
3525 Lisp_Object tail
, frame
;
3527 FOR_EACH_FRAME (tail
, frame
)
3529 Lisp_Object bar
, condemned
;
3531 /* Scan this frame's scroll bar list for a scroll bar with the
3533 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3534 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3535 /* This trick allows us to search both the ordinary and
3536 condemned scroll bar lists with one loop. */
3537 ! NILP (bar
) || (bar
= condemned
,
3540 bar
= XSCROLL_BAR (bar
)->next
)
3541 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3542 return XSCROLL_BAR (bar
);
3550 /* Set the thumb size and position of scroll bar BAR. We are currently
3551 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3554 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3555 int portion
, int position
, int whole
)
3557 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3558 /* We use the whole scroll-bar height in the calculations below, to
3559 avoid strange effects like scrolling backwards when just clicking
3560 on the handle (without moving it). */
3561 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3562 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3563 int sb_page
, sb_pos
;
3564 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3567 /* We used to change the nPage setting while dragging the handle,
3568 but that had very strange effects (such as scrolling backwards
3569 while dragging downwards).
3571 Now, we don't change the nPage setting while dragging unless we
3572 get near to the end of the buffer, in which case we often have to
3573 resize the handle to "go all the way". */
3579 si
.cbSize
= sizeof (si
);
3580 si
.fMask
= SIF_POS
| SIF_PAGE
;
3581 GetScrollInfo (w
, SB_CTL
, &si
);
3582 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3590 /* Position scroll bar at rock bottom if the bottom of the
3591 buffer is visible. This avoids shrinking the thumb away
3592 to nothing if it is held at the bottom of the buffer. */
3593 if (position
+ portion
>= whole
&& !draggingp
)
3595 sb_page
= range
* (whole
- position
) / whole
;
3600 sb_pos
= position
* range
/ whole
;
3601 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3610 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3614 si
.cbSize
= sizeof (si
);
3615 si
.fMask
= SIF_PAGE
| SIF_POS
;
3619 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3625 /************************************************************************
3626 Scroll bars, general
3627 ************************************************************************/
3630 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3632 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3633 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3637 /*#define ATTACH_THREADS*/
3640 my_show_window (struct frame
*f
, HWND hwnd
, int how
)
3642 #ifndef ATTACH_THREADS
3643 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3644 (WPARAM
) hwnd
, (LPARAM
) how
);
3646 return ShowWindow (hwnd
, how
);
3651 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3652 int x
, int y
, int cx
, int cy
, UINT flags
)
3654 #ifndef ATTACH_THREADS
3656 pos
.hwndInsertAfter
= hwndAfter
;
3662 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3664 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3670 my_set_focus (struct frame
* f
, HWND hwnd
)
3672 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3678 my_set_foreground_window (HWND hwnd
)
3680 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3685 my_destroy_window (struct frame
* f
, HWND hwnd
)
3687 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3692 my_bring_window_to_top (HWND hwnd
)
3694 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3697 /* Create a scroll bar and return the scroll bar vector for it. W is
3698 the Emacs window on which to create the scroll bar. TOP, LEFT,
3699 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3702 static struct scroll_bar
*
3703 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3705 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3708 struct scroll_bar
*bar
3709 = ALLOCATE_PSEUDOVECTOR (struct scroll_bar
, fringe_extended_p
, PVEC_OTHER
);
3714 XSETWINDOW (bar
->window
, w
);
3715 XSETINT (bar
->top
, top
);
3716 XSETINT (bar
->left
, left
);
3717 XSETINT (bar
->width
, width
);
3718 XSETINT (bar
->height
, height
);
3719 XSETINT (bar
->start
, 0);
3720 XSETINT (bar
->end
, 0);
3721 bar
->dragging
= Qnil
;
3722 bar
->fringe_extended_p
= 0;
3724 /* Requires geometry to be set before call to create the real window */
3726 hwnd
= my_create_scrollbar (f
, bar
);
3728 si
.cbSize
= sizeof (si
);
3731 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3732 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3736 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3738 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3740 /* Add bar to its frame's list of scroll bars. */
3741 bar
->next
= FRAME_SCROLL_BARS (f
);
3743 XSETVECTOR (barobj
, bar
);
3744 fset_scroll_bars (f
, barobj
);
3745 if (! NILP (bar
->next
))
3746 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3754 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3758 x_scroll_bar_remove (struct scroll_bar
*bar
)
3760 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3764 /* Destroy the window. */
3765 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3767 /* Dissociate this scroll bar from its window. */
3768 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3773 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3774 that we are displaying PORTION characters out of a total of WHOLE
3775 characters, starting at POSITION. If WINDOW has no scroll bar,
3778 w32_set_vertical_scroll_bar (struct window
*w
,
3779 int portion
, int whole
, int position
)
3781 struct frame
*f
= XFRAME (w
->frame
);
3783 struct scroll_bar
*bar
;
3784 int top
, height
, left
, sb_left
, width
, sb_width
;
3785 int window_y
, window_height
;
3786 bool fringe_extended_p
;
3788 /* Get window dimensions. */
3789 window_box (w
, ANY_AREA
, 0, &window_y
, 0, &window_height
);
3791 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3792 height
= window_height
;
3794 /* Compute the left edge of the scroll bar area. */
3795 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3797 /* Compute the width of the scroll bar which might be less than
3798 the width of the area reserved for the scroll bar. */
3799 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3800 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3804 /* Compute the left edge of the scroll bar. */
3805 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3806 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3808 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3810 fringe_extended_p
= WINDOW_FRINGE_EXTENDED_P (w
);
3812 /* Does the scroll bar exist yet? */
3813 if (NILP (w
->vertical_scroll_bar
))
3817 if (width
> 0 && height
> 0)
3819 hdc
= get_frame_dc (f
);
3820 if (fringe_extended_p
)
3821 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3823 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3824 release_frame_dc (f
, hdc
);
3828 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3832 /* It may just need to be moved and resized. */
3835 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3836 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3838 /* If already correctly positioned, do nothing. */
3839 if (XINT (bar
->left
) == sb_left
3840 && XINT (bar
->top
) == top
3841 && XINT (bar
->width
) == sb_width
3842 && XINT (bar
->height
) == height
3843 && bar
->fringe_extended_p
== fringe_extended_p
)
3845 /* Redraw after clear_frame. */
3846 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3847 InvalidateRect (hwnd
, NULL
, FALSE
);
3855 if (width
&& height
)
3857 hdc
= get_frame_dc (f
);
3858 /* Since Windows scroll bars are smaller than the space reserved
3859 for them on the frame, we have to clear "under" them. */
3860 if (fringe_extended_p
)
3861 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3863 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3864 release_frame_dc (f
, hdc
);
3866 /* Make sure scroll bar is "visible" before moving, to ensure the
3867 area of the parent window now exposed will be refreshed. */
3868 my_show_window (f
, hwnd
, SW_HIDE
);
3869 MoveWindow (hwnd
, sb_left
, top
, sb_width
,
3870 max (height
, 1), TRUE
);
3872 si
.cbSize
= sizeof (si
);
3873 si
.fMask
= SIF_RANGE
;
3875 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3876 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3878 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3880 my_show_window (f
, hwnd
, SW_NORMAL
);
3881 /* InvalidateRect (w, NULL, FALSE); */
3883 /* Remember new settings. */
3884 XSETINT (bar
->left
, sb_left
);
3885 XSETINT (bar
->top
, top
);
3886 XSETINT (bar
->width
, sb_width
);
3887 XSETINT (bar
->height
, height
);
3892 bar
->fringe_extended_p
= fringe_extended_p
;
3894 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3895 XSETVECTOR (barobj
, bar
);
3896 wset_vertical_scroll_bar (w
, barobj
);
3900 /* The following three hooks are used when we're doing a thorough
3901 redisplay of the frame. We don't explicitly know which scroll bars
3902 are going to be deleted, because keeping track of when windows go
3903 away is a real pain - "Can you say set-window-configuration, boys
3904 and girls?" Instead, we just assert at the beginning of redisplay
3905 that *all* scroll bars are to be removed, and then save a scroll bar
3906 from the fiery pit when we actually redisplay its window. */
3908 /* Arrange for all scroll bars on FRAME to be removed at the next call
3909 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3910 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3913 w32_condemn_scroll_bars (struct frame
*frame
)
3915 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3916 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3919 bar
= FRAME_SCROLL_BARS (frame
);
3920 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3921 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3922 XSCROLL_BAR (bar
)->prev
= Qnil
;
3923 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3924 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3925 fset_condemned_scroll_bars (frame
, bar
);
3930 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3931 Note that WINDOW isn't necessarily condemned at all. */
3934 w32_redeem_scroll_bar (struct window
*window
)
3936 struct scroll_bar
*bar
;
3940 /* We can't redeem this window's scroll bar if it doesn't have one. */
3941 if (NILP (window
->vertical_scroll_bar
))
3944 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3946 /* Unlink it from the condemned list. */
3947 f
= XFRAME (WINDOW_FRAME (window
));
3948 if (NILP (bar
->prev
))
3950 /* If the prev pointer is nil, it must be the first in one of
3952 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3953 /* It's not condemned. Everything's fine. */
3955 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3956 window
->vertical_scroll_bar
))
3957 fset_condemned_scroll_bars (f
, bar
->next
);
3959 /* If its prev pointer is nil, it must be at the front of
3960 one or the other! */
3964 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3966 if (! NILP (bar
->next
))
3967 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3969 bar
->next
= FRAME_SCROLL_BARS (f
);
3971 XSETVECTOR (barobj
, bar
);
3972 fset_scroll_bars (f
, barobj
);
3973 if (! NILP (bar
->next
))
3974 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3977 /* Remove all scroll bars on FRAME that haven't been saved since the
3978 last call to `*condemn_scroll_bars_hook'. */
3981 w32_judge_scroll_bars (struct frame
*f
)
3983 Lisp_Object bar
, next
;
3985 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3987 /* Clear out the condemned list now so we won't try to process any
3988 more events on the hapless scroll bars. */
3989 fset_condemned_scroll_bars (f
, Qnil
);
3991 for (; ! NILP (bar
); bar
= next
)
3993 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3995 x_scroll_bar_remove (b
);
3998 b
->next
= b
->prev
= Qnil
;
4001 /* Now there should be no references to the condemned scroll bars,
4002 and they should get garbage-collected. */
4005 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4006 is set to something other than NO_EVENT, it is enqueued.
4008 This may be called from a signal handler, so we have to ignore GC
4012 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
4013 struct input_event
*emacs_event
)
4015 if (! WINDOWP (bar
->window
))
4018 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
4019 emacs_event
->code
= 0;
4020 /* not really meaningful to distinguish up/down */
4021 emacs_event
->modifiers
= msg
->dwModifiers
;
4022 emacs_event
->frame_or_window
= bar
->window
;
4023 emacs_event
->arg
= Qnil
;
4024 emacs_event
->timestamp
= msg
->msg
.time
;
4027 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4029 int dragging
= !NILP (bar
->dragging
);
4032 si
.cbSize
= sizeof (si
);
4035 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4038 bar
->dragging
= Qnil
;
4041 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4043 switch (LOWORD (msg
->msg
.wParam
))
4046 emacs_event
->part
= scroll_bar_down_arrow
;
4049 emacs_event
->part
= scroll_bar_up_arrow
;
4052 emacs_event
->part
= scroll_bar_above_handle
;
4055 emacs_event
->part
= scroll_bar_below_handle
;
4058 emacs_event
->part
= scroll_bar_handle
;
4062 emacs_event
->part
= scroll_bar_handle
;
4066 case SB_THUMBPOSITION
:
4067 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4068 y
= HIWORD (msg
->msg
.wParam
);
4070 emacs_event
->part
= scroll_bar_handle
;
4072 /* "Silently" update current position. */
4076 si
.cbSize
= sizeof (si
);
4079 /* Remember apparent position (we actually lag behind the real
4080 position, so don't set that directly). */
4081 last_scroll_bar_drag_pos
= y
;
4083 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4087 /* If this is the end of a drag sequence, then reset the scroll
4088 handle size to normal and do a final redraw. Otherwise do
4093 int start
= XINT (bar
->start
);
4094 int end
= XINT (bar
->end
);
4096 si
.cbSize
= sizeof (si
);
4097 si
.fMask
= SIF_PAGE
| SIF_POS
;
4098 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4099 si
.nPos
= last_scroll_bar_drag_pos
;
4100 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4104 emacs_event
->kind
= NO_EVENT
;
4108 XSETINT (emacs_event
->x
, y
);
4109 XSETINT (emacs_event
->y
, top_range
);
4115 /* Return information to the user about the current position of the mouse
4116 on the scroll bar. */
4119 x_scroll_bar_report_motion (struct frame
**fp
, Lisp_Object
*bar_window
,
4120 enum scroll_bar_part
*part
,
4121 Lisp_Object
*x
, Lisp_Object
*y
,
4122 unsigned long *time
)
4124 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4125 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4126 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4128 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4134 *bar_window
= bar
->window
;
4136 si
.cbSize
= sizeof (si
);
4137 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4139 GetScrollInfo (w
, SB_CTL
, &si
);
4141 top_range
= si
.nMax
- si
.nPage
+ 1;
4143 switch (LOWORD (last_mouse_scroll_bar_pos
))
4145 case SB_THUMBPOSITION
:
4147 *part
= scroll_bar_handle
;
4148 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4149 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4152 *part
= scroll_bar_handle
;
4156 *part
= scroll_bar_handle
;
4161 XSETINT (*y
, top_range
);
4164 last_mouse_scroll_bar
= Qnil
;
4166 *time
= last_mouse_movement_time
;
4172 /* The screen has been cleared so we may have changed foreground or
4173 background colors, and the scroll bars may need to be redrawn.
4174 Clear out the scroll bars, and ask for expose events, so we can
4178 x_scroll_bar_clear (struct frame
*f
)
4182 /* We can have scroll bars even if this is 0,
4183 if we just turned off scroll bar mode.
4184 But in that case we should not clear them. */
4185 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4186 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4187 bar
= XSCROLL_BAR (bar
)->next
)
4189 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4190 HDC hdc
= GetDC (window
);
4193 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4194 arranges to refresh the scroll bar if hidden. */
4195 my_show_window (f
, window
, SW_HIDE
);
4197 GetClientRect (window
, &rect
);
4198 select_palette (f
, hdc
);
4199 w32_clear_rect (f
, hdc
, &rect
);
4200 deselect_palette (f
, hdc
);
4202 ReleaseDC (window
, hdc
);
4207 /* The main W32 event-reading loop - w32_read_socket. */
4209 /* Record the last 100 characters stored
4210 to help debug the loss-of-chars-during-GC problem. */
4212 static int temp_index
;
4213 static short temp_buffer
[100];
4215 /* Temporarily store lead byte of DBCS input sequences. */
4216 static char dbcs_lead
= 0;
4218 /* Read events coming from the W32 shell.
4219 This routine is called by the SIGIO handler.
4220 We return as soon as there are no more events to be read.
4222 For an overview of how Emacs input works on MS-Windows, see the
4223 commentary before w32_msg_pump in w32fns.c.
4225 We return the number of characters stored into the buffer,
4226 thus pretending to be `read'.
4228 Some of these messages are reposted back to the message queue since the
4229 system calls the windows proc directly in a context where we cannot return
4230 the data nor can we guarantee the state we are in. So if we dispatch them
4231 we will get into an infinite loop. To prevent this from ever happening we
4232 will set a variable to indicate we are in the read_socket call and indicate
4233 which message we are processing since the windows proc gets called
4234 recursively with different messages by the system.
4238 w32_read_socket (struct terminal
*terminal
,
4239 struct input_event
*hold_quit
)
4242 int check_visibility
= 0;
4245 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4246 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4251 /* So people can tell when we have read the available input. */
4252 input_signal_count
++;
4254 /* Process any incoming thread messages. */
4255 drain_message_queue ();
4257 /* TODO: ghostscript integration. */
4258 while (get_next_msg (&msg
, FALSE
))
4260 struct input_event inev
;
4263 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4264 /* w32_name_of_message (msg.msg.message), */
4265 /* msg.msg.time)); */
4268 inev
.kind
= NO_EVENT
;
4271 switch (msg
.msg
.message
)
4273 case WM_EMACS_PAINT
:
4274 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4278 if (msg
.rect
.right
== msg
.rect
.left
||
4279 msg
.rect
.bottom
== msg
.rect
.top
)
4281 /* We may get paint messages even though the client
4282 area is clipped - these are not expose events. */
4283 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4286 else if (FRAME_VISIBLE_P (f
) != 1)
4288 bool iconified
= FRAME_ICONIFIED_P (f
);
4290 /* Definitely not obscured, so mark as visible. */
4291 SET_FRAME_VISIBLE (f
, 1);
4292 SET_FRAME_ICONIFIED (f
, 0);
4293 SET_FRAME_GARBAGED (f
);
4294 if (!f
->output_data
.w32
->asked_for_visible
)
4295 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4298 /* WM_PAINT serves as MapNotify as well, so report
4299 visibility changes properly. */
4302 inev
.kind
= DEICONIFY_EVENT
;
4303 XSETFRAME (inev
.frame_or_window
, f
);
4305 else if (!NILP (Vframe_list
) && !NILP (XCDR (Vframe_list
)))
4306 /* Force a redisplay sooner or later to update the
4307 frame titles in case this is the second frame. */
4308 record_asynch_buffer_change ();
4312 HDC hdc
= get_frame_dc (f
);
4314 /* Erase background again for safety. */
4315 w32_clear_rect (f
, hdc
, &msg
.rect
);
4316 release_frame_dc (f
, hdc
);
4320 msg
.rect
.right
- msg
.rect
.left
,
4321 msg
.rect
.bottom
- msg
.rect
.top
);
4326 case WM_INPUTLANGCHANGE
:
4327 /* Generate a language change event. */
4328 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4330 /* lParam contains the input language ID in its low 16 bits.
4331 Use it to update our record of the keyboard codepage. */
4332 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4337 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4338 XSETFRAME (inev
.frame_or_window
, f
);
4339 inev
.code
= w32_keyboard_codepage
;
4340 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4346 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4348 if (f
&& !FRAME_ICONIFIED_P (f
))
4350 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4351 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4353 clear_mouse_face (hlinfo
);
4354 hlinfo
->mouse_face_hidden
= 1;
4357 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4359 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4360 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4361 inev
.code
= msg
.msg
.wParam
;
4362 inev
.modifiers
= msg
.dwModifiers
;
4363 XSETFRAME (inev
.frame_or_window
, f
);
4364 inev
.timestamp
= msg
.msg
.time
;
4371 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4373 if (f
&& !FRAME_ICONIFIED_P (f
))
4375 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4376 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4378 clear_mouse_face (hlinfo
);
4379 hlinfo
->mouse_face_hidden
= 1;
4382 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4384 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4386 inev
.modifiers
= msg
.dwModifiers
;
4387 XSETFRAME (inev
.frame_or_window
, f
);
4388 inev
.timestamp
= msg
.msg
.time
;
4390 if (msg
.msg
.message
== WM_UNICHAR
)
4392 inev
.code
= msg
.msg
.wParam
;
4394 else if (msg
.msg
.wParam
< 256)
4399 dbcs
[1] = (char) msg
.msg
.wParam
;
4403 dbcs
[0] = dbcs_lead
;
4405 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4409 DebPrint (("Invalid DBCS sequence: %d %d\n",
4411 inev
.kind
= NO_EVENT
;
4415 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4416 (BYTE
) msg
.msg
.wParam
))
4418 dbcs_lead
= (char) msg
.msg
.wParam
;
4419 inev
.kind
= NO_EVENT
;
4424 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4425 &dbcs
[1], 1, &code
, 1))
4427 /* What to do with garbage? */
4428 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4429 inev
.kind
= NO_EVENT
;
4437 /* Windows shouldn't generate WM_CHAR events above 0xFF
4438 in non-Unicode message handlers. */
4439 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4440 inev
.kind
= NO_EVENT
;
4443 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4444 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4449 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4451 if (f
&& !FRAME_ICONIFIED_P (f
))
4453 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4454 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4456 clear_mouse_face (hlinfo
);
4457 hlinfo
->mouse_face_hidden
= 1;
4460 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4462 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4463 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4464 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4465 inev
.modifiers
= msg
.dwModifiers
;
4466 XSETFRAME (inev
.frame_or_window
, f
);
4467 inev
.timestamp
= msg
.msg
.time
;
4472 /* Ignore non-movement. */
4474 int x
= LOWORD (msg
.msg
.lParam
);
4475 int y
= HIWORD (msg
.msg
.lParam
);
4476 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4478 last_mousemove_x
= x
;
4479 last_mousemove_y
= y
;
4482 previous_help_echo_string
= help_echo_string
;
4483 help_echo_string
= Qnil
;
4485 if (dpyinfo
->grabbed
&& last_mouse_frame
4486 && FRAME_LIVE_P (last_mouse_frame
))
4487 f
= last_mouse_frame
;
4489 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4491 if (hlinfo
->mouse_face_hidden
)
4493 hlinfo
->mouse_face_hidden
= 0;
4494 clear_mouse_face (hlinfo
);
4499 /* Generate SELECT_WINDOW_EVENTs when needed. */
4500 if (!NILP (Vmouse_autoselect_window
))
4502 static Lisp_Object last_mouse_window
;
4503 Lisp_Object window
= window_from_coordinates
4504 (f
, LOWORD (msg
.msg
.lParam
), HIWORD (msg
.msg
.lParam
), 0, 0);
4506 /* Window will be selected only when it is not
4507 selected now and last mouse movement event was
4508 not in it. Minibuffer window will be selected
4509 only when it is active. */
4510 if (WINDOWP (window
)
4511 && !EQ (window
, last_mouse_window
)
4512 && !EQ (window
, selected_window
)
4513 /* For click-to-focus window managers
4514 create event iff we don't leave the
4516 && (focus_follows_mouse
4517 || (EQ (XWINDOW (window
)->frame
,
4518 XWINDOW (selected_window
)->frame
))))
4520 inev
.kind
= SELECT_WINDOW_EVENT
;
4521 inev
.frame_or_window
= window
;
4523 /* Remember the last window where we saw the mouse. */
4524 last_mouse_window
= window
;
4526 if (!note_mouse_movement (f
, &msg
.msg
))
4527 help_echo_string
= previous_help_echo_string
;
4531 /* If we move outside the frame, then we're
4532 certainly no longer on any text in the frame. */
4533 clear_mouse_face (hlinfo
);
4536 /* If the contents of the global variable help_echo_string
4537 has changed, generate a HELP_EVENT. */
4538 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4539 But it was originally changed to this to fix a bug, so I have
4540 not removed it completely in case the bug is still there. */
4541 if (help_echo_string
!= previous_help_echo_string
||
4542 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4543 #else /* This is what xterm.c does. */
4544 if (!NILP (help_echo_string
)
4545 || !NILP (previous_help_echo_string
))
4550 case WM_LBUTTONDOWN
:
4552 case WM_MBUTTONDOWN
:
4554 case WM_RBUTTONDOWN
:
4556 case WM_XBUTTONDOWN
:
4559 /* If we decide we want to generate an event to be seen
4560 by the rest of Emacs, we put it here. */
4561 bool tool_bar_p
= 0;
4565 if (dpyinfo
->grabbed
&& last_mouse_frame
4566 && FRAME_LIVE_P (last_mouse_frame
))
4567 f
= last_mouse_frame
;
4569 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4573 construct_mouse_click (&inev
, &msg
, f
);
4575 /* Is this in the tool-bar? */
4576 if (WINDOWP (f
->tool_bar_window
)
4577 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4580 int x
= XFASTINT (inev
.x
);
4581 int y
= XFASTINT (inev
.y
);
4583 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4585 if (EQ (window
, f
->tool_bar_window
))
4587 w32_handle_tool_bar_click (f
, &inev
);
4593 || (dpyinfo
->w32_focus_frame
4594 && f
!= dpyinfo
->w32_focus_frame
))
4595 inev
.kind
= NO_EVENT
;
4598 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4603 dpyinfo
->grabbed
&= ~ (1 << button
);
4607 dpyinfo
->grabbed
|= (1 << button
);
4608 last_mouse_frame
= f
;
4609 /* Ignore any mouse motion that happened
4610 before this event; any subsequent mouse-movement
4611 Emacs events should reflect only motion after
4617 last_tool_bar_item
= -1;
4623 case WM_MOUSEHWHEEL
:
4625 if (dpyinfo
->grabbed
&& last_mouse_frame
4626 && FRAME_LIVE_P (last_mouse_frame
))
4627 f
= last_mouse_frame
;
4629 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4634 if (!dpyinfo
->w32_focus_frame
4635 || f
== dpyinfo
->w32_focus_frame
)
4637 /* Emit an Emacs wheel-up/down event. */
4638 construct_mouse_wheel (&inev
, &msg
, f
);
4640 /* Ignore any mouse motion that happened before this
4641 event; any subsequent mouse-movement Emacs events
4642 should reflect only motion after the
4646 last_mouse_frame
= f
;
4647 last_tool_bar_item
= -1;
4652 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4655 construct_drag_n_drop (&inev
, &msg
, f
);
4660 struct scroll_bar
*bar
=
4661 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4664 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4668 case WM_WINDOWPOSCHANGED
:
4670 case WM_ACTIVATEAPP
:
4671 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4674 /* Run the full-screen hook function also when we are
4675 being activated, to actually install the required
4676 size in effect, if the WAIT flag is set. This is
4677 because when the hook is run from x_set_fullscreen,
4678 the frame might not yet be visible, if that call is a
4679 result of make-frame, and in that case the hook just
4680 sets the WAIT flag. */
4681 if ((msg
.msg
.message
== WM_WINDOWPOSCHANGED
|| msg
.msg
.wParam
)
4682 && (f
->want_fullscreen
& FULLSCREEN_WAIT
))
4683 w32fullscreen_hook (f
);
4684 x_check_fullscreen (f
);
4686 check_visibility
= 1;
4690 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4692 if (f
&& !FRAME_ICONIFIED_P (f
))
4696 x_real_positions (f
, &x
, &y
);
4701 check_visibility
= 1;
4705 /* wParam non-zero means Window is about to be shown, 0 means
4706 about to be hidden. */
4707 /* Redo the mouse-highlight after the tooltip has gone. */
4708 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4711 redo_mouse_highlight ();
4714 /* If window has been obscured or exposed by another window
4715 being maximized or minimized/restored, then recheck
4716 visibility of all frames. Direct changes to our own
4717 windows get handled by WM_SIZE. */
4719 if (msg
.msg
.lParam
!= 0)
4720 check_visibility
= 1;
4723 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4724 f
->async_visible
= msg
.msg
.wParam
;
4728 check_visibility
= 1;
4732 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4734 /* Inform lisp of whether frame has been iconified etc. */
4737 switch (msg
.msg
.wParam
)
4739 case SIZE_MINIMIZED
:
4740 SET_FRAME_VISIBLE (f
, 0);
4741 SET_FRAME_ICONIFIED (f
, 1);
4743 inev
.kind
= ICONIFY_EVENT
;
4744 XSETFRAME (inev
.frame_or_window
, f
);
4747 case SIZE_MAXIMIZED
:
4750 bool iconified
= FRAME_ICONIFIED_P (f
);
4753 SET_FRAME_VISIBLE (f
, 1);
4754 SET_FRAME_ICONIFIED (f
, 0);
4756 /* wait_reading_process_output will notice this
4757 and update the frame's display structures. */
4758 SET_FRAME_GARBAGED (f
);
4764 /* Reset top and left positions of the Window
4765 here since Windows sends a WM_MOVE message
4766 BEFORE telling us the Window is minimized
4767 when the Window is iconified, with 3000,3000
4769 x_real_positions (f
, &x
, &y
);
4773 inev
.kind
= DEICONIFY_EVENT
;
4774 XSETFRAME (inev
.frame_or_window
, f
);
4776 else if (! NILP (Vframe_list
)
4777 && ! NILP (XCDR (Vframe_list
)))
4778 /* Force a redisplay sooner or later
4779 to update the frame titles
4780 in case this is the second frame. */
4781 record_asynch_buffer_change ();
4787 if (f
&& !FRAME_ICONIFIED_P (f
) && msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4795 GetClientRect (msg
.msg
.hwnd
, &rect
);
4797 height
= rect
.bottom
- rect
.top
;
4798 width
= rect
.right
- rect
.left
;
4800 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4801 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4803 /* TODO: Clip size to the screen dimensions. */
4805 /* Even if the number of character rows and columns has
4806 not changed, the font size may have changed, so we need
4807 to check the pixel dimensions as well. */
4809 if (columns
!= FRAME_COLS (f
)
4810 || rows
!= FRAME_LINES (f
)
4811 || width
!= FRAME_PIXEL_WIDTH (f
)
4812 || height
!= FRAME_PIXEL_HEIGHT (f
))
4814 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4815 SET_FRAME_GARBAGED (f
);
4816 cancel_mouse_face (f
);
4817 FRAME_PIXEL_WIDTH (f
) = width
;
4818 FRAME_PIXEL_HEIGHT (f
) = height
;
4819 f
->win_gravity
= NorthWestGravity
;
4823 check_visibility
= 1;
4827 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4830 if (f
== hlinfo
->mouse_face_mouse_frame
)
4832 /* If we move outside the frame, then we're
4833 certainly no longer on any text in the frame. */
4834 clear_mouse_face (hlinfo
);
4835 hlinfo
->mouse_face_mouse_frame
= 0;
4838 /* Generate a nil HELP_EVENT to cancel a help-echo.
4839 Do it only if there's something to cancel.
4840 Otherwise, the startup message is cleared when
4841 the mouse leaves the frame. */
4842 if (any_help_event_p
)
4848 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4850 dpyinfo
->grabbed
= 0;
4851 check_visibility
= 1;
4855 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4856 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4860 if (f
== hlinfo
->mouse_face_mouse_frame
)
4862 /* If we move outside the frame, then we're
4863 certainly no longer on any text in the frame. */
4864 clear_mouse_face (hlinfo
);
4865 hlinfo
->mouse_face_mouse_frame
= 0;
4868 /* Generate a nil HELP_EVENT to cancel a help-echo.
4869 Do it only if there's something to cancel.
4870 Otherwise, the startup message is cleared when
4871 the mouse leaves the frame. */
4872 if (any_help_event_p
)
4876 dpyinfo
->grabbed
= 0;
4877 check_visibility
= 1;
4881 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4885 inev
.kind
= DELETE_WINDOW_EVENT
;
4886 XSETFRAME (inev
.frame_or_window
, f
);
4891 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4895 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4896 XSETFRAME (inev
.frame_or_window
, f
);
4901 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4905 extern void menubar_selection_callback
4906 (struct frame
*f
, void * client_data
);
4907 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4910 check_visibility
= 1;
4913 case WM_DISPLAYCHANGE
:
4914 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4918 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4919 DebPrint (("display change: %d %d\n",
4920 (short) LOWORD (msg
.msg
.lParam
),
4921 (short) HIWORD (msg
.msg
.lParam
)));
4924 check_visibility
= 1;
4928 case WM_EMACS_FILENOTIFY
:
4929 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4931 queue_notifications (&inev
, &msg
, f
, &count
);
4936 /* Check for messages registered at runtime. */
4937 if (msg
.msg
.message
== msh_mousewheel
)
4939 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4940 msg
.msg
.message
= WM_MOUSEWHEEL
;
4946 if (inev
.kind
!= NO_EVENT
)
4948 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4953 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4958 XSETFRAME (frame
, f
);
4964 if (NILP (help_echo_string
))
4966 help_echo_object
= help_echo_window
= Qnil
;
4970 any_help_event_p
= 1;
4971 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4972 help_echo_object
, help_echo_pos
);
4976 help_echo_string
= Qnil
;
4977 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4983 /* If the focus was just given to an autoraising frame,
4985 /* ??? This ought to be able to handle more than one such frame. */
4986 if (pending_autoraise_frame
)
4988 x_raise_frame (pending_autoraise_frame
);
4989 pending_autoraise_frame
= 0;
4992 /* Check which frames are still visible, if we have enqueued any user
4993 events or been notified of events that may affect visibility. We
4994 do this here because there doesn't seem to be any direct
4995 notification from Windows that the visibility of a window has
4996 changed (at least, not in all cases). */
4997 if (count
> 0 || check_visibility
)
4999 Lisp_Object tail
, frame
;
5001 FOR_EACH_FRAME (tail
, frame
)
5003 struct frame
*f
= XFRAME (frame
);
5004 /* The tooltip has been drawn already. Avoid the
5005 SET_FRAME_GARBAGED below. */
5006 if (EQ (frame
, tip_frame
))
5009 /* Check "visible" frames and mark each as obscured or not.
5010 Note that visible is nonzero for unobscured and obscured
5011 frames, but zero for hidden and iconified frames. */
5012 if (FRAME_W32_P (f
) && FRAME_VISIBLE_P (f
))
5019 /* Query clipping rectangle for the entire window area
5020 (GetWindowDC), not just the client portion (GetDC).
5021 Otherwise, the scrollbars and menubar aren't counted as
5022 part of the visible area of the frame, and we may think
5023 the frame is obscured when really a scrollbar is still
5024 visible and gets WM_PAINT messages above. */
5025 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
5026 GetClipBox (hdc
, &clipbox
);
5027 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5030 obscured
= FRAME_OBSCURED_P (f
);
5032 if (clipbox
.right
== clipbox
.left
|| clipbox
.bottom
== clipbox
.top
)
5034 /* Frame has become completely obscured so mark as such (we
5035 do this by setting visible to 2 so that FRAME_VISIBLE_P
5036 is still true, but redisplay will skip it). */
5037 SET_FRAME_VISIBLE (f
, 2);
5040 DebPrint (("frame %p (%s) obscured\n", f
, SDATA (f
->name
)));
5044 /* Frame is not obscured, so mark it as such. */
5045 SET_FRAME_VISIBLE (f
, 1);
5049 SET_FRAME_GARBAGED (f
);
5050 DebPrint (("obscured frame %p (%s) found to be visible\n",
5051 f
, SDATA (f
->name
)));
5053 /* Force a redisplay sooner or later. */
5054 record_asynch_buffer_change ();
5067 /***********************************************************************
5069 ***********************************************************************/
5071 /* Set clipping for output in glyph row ROW. W is the window in which
5072 we operate. GC is the graphics context to set clipping in.
5074 ROW may be a text row or, e.g., a mode line. Text rows must be
5075 clipped to the interior of the window dedicated to text display,
5076 mode lines must be clipped to the whole window. */
5079 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
,
5080 enum glyph_row_area area
, HDC hdc
)
5083 int window_x
, window_y
, window_width
;
5085 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5087 clip_rect
.left
= window_x
;
5088 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5089 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5090 clip_rect
.right
= clip_rect
.left
+ window_width
;
5091 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5093 w32_set_clip_rectangle (hdc
, &clip_rect
);
5097 /* Draw a hollow box cursor on window W in glyph row ROW. */
5100 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5102 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5106 struct glyph
*cursor_glyph
;
5107 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5109 /* Get the glyph the cursor is on. If we can't tell because
5110 the current matrix is invalid or such, give up. */
5111 cursor_glyph
= get_phys_cursor_glyph (w
);
5112 if (cursor_glyph
== NULL
)
5118 /* Compute frame-relative coordinates for phys cursor. */
5119 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5122 rect
.bottom
= rect
.top
+ h
;
5123 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5125 hdc
= get_frame_dc (f
);
5126 /* Set clipping, draw the rectangle, and reset clipping again. */
5127 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5128 FrameRect (hdc
, &rect
, hb
);
5130 w32_set_clip_rectangle (hdc
, NULL
);
5131 release_frame_dc (f
, hdc
);
5135 /* Draw a bar cursor on window W in glyph row ROW.
5137 Implementation note: One would like to draw a bar cursor with an
5138 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5139 Unfortunately, I didn't find a font yet that has this property set.
5143 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5144 int width
, enum text_cursor_kinds kind
)
5146 struct frame
*f
= XFRAME (w
->frame
);
5147 struct glyph
*cursor_glyph
;
5149 /* If cursor is out of bounds, don't draw garbage. This can happen
5150 in mini-buffer windows when switching between echo area glyphs
5152 cursor_glyph
= get_phys_cursor_glyph (w
);
5153 if (cursor_glyph
== NULL
)
5156 /* If on an image, draw like a normal cursor. That's usually better
5157 visible than drawing a bar, esp. if the image is large so that
5158 the bar might not be in the window. */
5159 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5161 struct glyph_row
*row
;
5162 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5163 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5167 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5168 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5172 /* If the glyph's background equals the color we normally draw
5173 the bar cursor in, the bar cursor in its normal color is
5174 invisible. Use the glyph's foreground color instead in this
5175 case, on the assumption that the glyph's colors are chosen so
5176 that the glyph is legible. */
5177 if (face
->background
== cursor_color
)
5178 cursor_color
= face
->foreground
;
5180 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5182 hdc
= get_frame_dc (f
);
5183 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5185 if (kind
== BAR_CURSOR
)
5188 width
= FRAME_CURSOR_WIDTH (f
);
5189 width
= min (cursor_glyph
->pixel_width
, width
);
5191 w
->phys_cursor_width
= width
;
5193 /* If the character under cursor is R2L, draw the bar cursor
5194 on the right of its glyph, rather than on the left. */
5195 if ((cursor_glyph
->resolved_level
& 1) != 0)
5196 x
+= cursor_glyph
->pixel_width
- width
;
5198 w32_fill_area (f
, hdc
, cursor_color
, x
,
5199 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5200 width
, row
->height
);
5204 int dummy_x
, dummy_y
, dummy_h
;
5207 width
= row
->height
;
5209 width
= min (row
->height
, width
);
5211 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5212 &dummy_y
, &dummy_h
);
5213 w32_fill_area (f
, hdc
, cursor_color
, x
,
5214 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5215 row
->height
- width
),
5216 w
->phys_cursor_width
, width
);
5219 w32_set_clip_rectangle (hdc
, NULL
);
5220 release_frame_dc (f
, hdc
);
5225 /* RIF: Define cursor CURSOR on frame F. */
5228 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5230 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5234 /* RIF: Clear area on frame F. */
5237 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5241 hdc
= get_frame_dc (f
);
5242 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5243 release_frame_dc (f
, hdc
);
5246 /* RIF: Draw or clear cursor on window W. */
5249 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5250 int x
, int y
, enum text_cursor_kinds cursor_type
,
5251 int cursor_width
, bool on_p
, bool active_p
)
5255 /* If the user wants to use the system caret, make sure our own
5256 cursor remains invisible. */
5257 if (w32_use_visible_system_caret
)
5259 /* Call to erase_phys_cursor here seems to use the
5260 wrong values of w->phys_cursor, as they have been
5261 overwritten before this function was called. */
5262 if (w
->phys_cursor_type
!= NO_CURSOR
)
5263 erase_phys_cursor (w
);
5265 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5266 w
->phys_cursor_width
= -1;
5270 w
->phys_cursor_type
= cursor_type
;
5273 w
->phys_cursor_on_p
= 1;
5275 /* If this is the active cursor, we need to track it with the
5276 system caret, so third party software like screen magnifiers
5277 and speech synthesizers can follow the cursor. */
5280 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5281 HWND hwnd
= FRAME_W32_WINDOW (f
);
5284 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5286 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5287 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5288 w32_system_caret_window
= w
;
5289 w32_system_caret_hdr_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
5290 w32_system_caret_mode_height
= WINDOW_MODE_LINE_HEIGHT (w
);
5292 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5294 /* If the size of the active cursor changed, destroy the old
5296 if (w32_system_caret_hwnd
5297 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5298 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5300 w32_system_caret_height
= w
->phys_cursor_height
;
5302 /* Move the system caret. */
5303 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5306 if (glyph_row
->exact_window_width_line_p
5307 && (glyph_row
->reversed_p
5308 ? (w
->phys_cursor
.hpos
< 0)
5309 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5311 glyph_row
->cursor_in_fringe_p
= 1;
5312 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5316 switch (cursor_type
)
5318 case HOLLOW_BOX_CURSOR
:
5319 x_draw_hollow_cursor (w
, glyph_row
);
5322 case FILLED_BOX_CURSOR
:
5323 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5327 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5331 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5335 w
->phys_cursor_width
= 0;
5349 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5352 HANDLE small_icon
= NULL
;
5354 if (FRAME_W32_WINDOW (f
) == 0)
5358 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5359 else if (STRINGP (icon
))
5361 /* Load the main icon from the named file. */
5362 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5363 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5364 /* Try to load a small icon to go with it. */
5365 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5366 GetSystemMetrics (SM_CXSMICON
),
5367 GetSystemMetrics (SM_CYSMICON
),
5370 else if (SYMBOLP (icon
))
5374 if (EQ (icon
, intern ("application")))
5375 name
= (LPCTSTR
) IDI_APPLICATION
;
5376 else if (EQ (icon
, intern ("hand")))
5377 name
= (LPCTSTR
) IDI_HAND
;
5378 else if (EQ (icon
, intern ("question")))
5379 name
= (LPCTSTR
) IDI_QUESTION
;
5380 else if (EQ (icon
, intern ("exclamation")))
5381 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5382 else if (EQ (icon
, intern ("asterisk")))
5383 name
= (LPCTSTR
) IDI_ASTERISK
;
5384 else if (EQ (icon
, intern ("winlogo")))
5385 name
= (LPCTSTR
) IDI_WINLOGO
;
5389 main_icon
= LoadIcon (NULL
, name
);
5394 if (main_icon
== NULL
)
5397 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5398 (LPARAM
) main_icon
);
5400 /* If there is a small icon that goes with it, set that too. */
5402 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5403 (LPARAM
) small_icon
);
5409 /************************************************************************
5411 ************************************************************************/
5413 /* Display Error Handling functions not used on W32. Listing them here
5414 helps diff stay in step when comparing w32term.c with xterm.c.
5416 x_error_catcher (display, error)
5417 x_catch_errors (dpy)
5418 x_catch_errors_unwind (old_val)
5419 x_check_errors (dpy, format)
5420 x_fully_uncatch_errors ()
5421 x_had_errors_p (dpy)
5422 x_clear_errors (dpy)
5423 x_uncatch_errors (dpy, count)
5425 x_connection_signal (signalnum)
5426 x_connection_closed (dpy, error_message)
5427 x_error_quitter (display, error)
5428 x_error_handler (display, error)
5429 x_io_error_quitter (display)
5434 /* Changing the font of the frame. */
5437 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5439 struct font
*font
= XFONT_OBJECT (font_object
);
5442 fontset
= fontset_from_font (font_object
);
5443 FRAME_FONTSET (f
) = fontset
;
5444 if (FRAME_FONT (f
) == font
)
5445 /* This font is already set in frame F. There's nothing more to
5449 FRAME_FONT (f
) = font
;
5450 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5451 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5452 FRAME_LINE_HEIGHT (f
) = font
->height
;
5454 compute_fringe_widths (f
, 1);
5456 /* Compute the scroll bar width in character columns. */
5457 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5459 int wid
= FRAME_COLUMN_WIDTH (f
);
5460 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5461 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5465 int wid
= FRAME_COLUMN_WIDTH (f
);
5466 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5469 /* Now make the frame display the given font. */
5470 if (FRAME_X_WINDOW (f
) != 0)
5472 /* Don't change the size of a tip frame; there's no point in
5473 doing it because it's done in Fx_show_tip, and it leads to
5474 problems because the tip frame has no widget. */
5475 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5476 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5479 /* X version sets font of input methods here also. */
5485 /***********************************************************************
5486 TODO: W32 Input Methods
5487 ***********************************************************************/
5488 /* Listing missing functions from xterm.c helps diff stay in step.
5490 xim_destroy_callback (xim, client_data, call_data)
5491 xim_open_dpy (dpyinfo, resource_name)
5493 xim_instantiate_callback (display, client_data, call_data)
5494 xim_initialize (dpyinfo, resource_name)
5495 xim_close_dpy (dpyinfo)
5500 /* Calculate the absolute position in frame F
5501 from its current recorded position values and gravity. */
5504 x_calc_absolute_position (struct frame
*f
)
5506 int flags
= f
->size_hint_flags
;
5508 /* The sum of the widths of the frame's left and right borders, and
5509 the sum of the heights of the frame's top and bottom borders (in
5510 pixels) drawn by Windows. */
5511 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5513 /* Try to get the actual values of these two variables. We compute
5514 the border width (height) by subtracting the width (height) of
5515 the frame's client area from the width (height) of the frame's
5517 WINDOWPLACEMENT wp
= { 0 };
5518 RECT client_rect
= { 0 };
5520 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5521 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5523 left_right_borders_width
=
5524 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5525 (client_rect
.right
- client_rect
.left
);
5527 top_bottom_borders_height
=
5528 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5529 (client_rect
.bottom
- client_rect
.top
);
5533 /* Use sensible default values. */
5534 left_right_borders_width
= 8;
5535 top_bottom_borders_height
= 32;
5538 /* Treat negative positions as relative to the rightmost bottommost
5539 position that fits on the screen. */
5540 if (flags
& XNegative
)
5541 f
->left_pos
= (x_display_pixel_width (FRAME_DISPLAY_INFO (f
))
5542 - FRAME_PIXEL_WIDTH (f
)
5544 - (left_right_borders_width
- 1));
5546 if (flags
& YNegative
)
5547 f
->top_pos
= (x_display_pixel_height (FRAME_DISPLAY_INFO (f
))
5548 - FRAME_PIXEL_HEIGHT (f
)
5550 - (top_bottom_borders_height
- 1));
5552 /* The left_pos and top_pos are now relative to the top and left
5553 screen edges, so the flags should correspond. */
5554 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5557 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5558 to really change the position, and 0 when calling from
5559 x_make_frame_visible (in that case, XOFF and YOFF are the current
5560 position values). It is -1 when calling from x_set_frame_parameters,
5561 which means, do adjust for borders but don't change the gravity. */
5564 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5567 int modified_top
, modified_left
;
5569 if (change_gravity
> 0)
5573 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5575 f
->size_hint_flags
|= XNegative
;
5577 f
->size_hint_flags
|= YNegative
;
5578 f
->win_gravity
= NorthWestGravity
;
5580 x_calc_absolute_position (f
);
5583 x_wm_set_size_hint (f
, (long) 0, 0);
5585 modified_left
= f
->left_pos
;
5586 modified_top
= f
->top_pos
;
5588 my_set_window_pos (FRAME_W32_WINDOW (f
),
5590 modified_left
, modified_top
,
5592 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5597 /* Check if we need to resize the frame due to a fullscreen request.
5598 If so needed, resize the frame. */
5600 x_check_fullscreen (struct frame
*f
)
5602 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5604 int width
, height
, ign
;
5606 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5608 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5610 /* We do not need to move the window, it shall be taken care of
5611 when setting WM manager hints. */
5612 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5614 change_frame_size (f
, height
, width
, 0, 1, 0);
5615 SET_FRAME_GARBAGED (f
);
5616 cancel_mouse_face (f
);
5618 /* Wait for the change of frame size to occur. */
5619 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5625 w32fullscreen_hook (struct frame
*f
)
5627 if (FRAME_VISIBLE_P (f
))
5629 HWND hwnd
= FRAME_W32_WINDOW(f
);
5630 DWORD dwStyle
= GetWindowLong (hwnd
, GWL_STYLE
);
5634 f
->want_fullscreen
&= ~FULLSCREEN_WAIT
;
5636 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_NONE
)
5637 GetWindowPlacement (hwnd
, &FRAME_NORMAL_PLACEMENT (f
));
5639 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_BOTH
)
5641 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
| WS_OVERLAPPEDWINDOW
);
5642 SetWindowPos (hwnd
, NULL
, 0, 0, 0, 0,
5643 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOZORDER
|
5644 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5647 w32_fullscreen_rect (hwnd
, f
->want_fullscreen
,
5648 FRAME_NORMAL_PLACEMENT (f
).rcNormalPosition
, &rect
);
5649 FRAME_PREV_FSMODE (f
) = f
->want_fullscreen
;
5650 if (f
->want_fullscreen
== FULLSCREEN_MAXIMIZED
)
5651 PostMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, 0xf030, 0);
5652 else if (f
->want_fullscreen
== FULLSCREEN_BOTH
)
5654 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
& ~WS_OVERLAPPEDWINDOW
);
5655 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5656 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
,
5657 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5661 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5662 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
, 0);
5665 f
->want_fullscreen
= FULLSCREEN_NONE
;
5669 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5672 /* Call this to change the size of frame F's x-window.
5673 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5674 for this size change and subsequent size changes.
5675 Otherwise we leave the window gravity unchanged. */
5678 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5680 int pixelwidth
, pixelheight
;
5684 check_frame_size (f
, &rows
, &cols
);
5685 f
->scroll_bar_actual_width
5686 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5688 compute_fringe_widths (f
, 0);
5690 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5691 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5693 f
->win_gravity
= NorthWestGravity
;
5694 x_wm_set_size_hint (f
, (long) 0, 0);
5699 rect
.left
= rect
.top
= 0;
5700 rect
.right
= pixelwidth
;
5701 rect
.bottom
= pixelheight
;
5703 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5704 FRAME_EXTERNAL_MENU_BAR (f
));
5706 my_set_window_pos (FRAME_W32_WINDOW (f
),
5709 rect
.right
- rect
.left
,
5710 rect
.bottom
- rect
.top
,
5711 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5715 /* The following mirrors what is done in xterm.c. It appears to be
5716 for informing lisp of the new size immediately, while the actual
5717 resize will happen asynchronously. But on Windows, the menu bar
5718 automatically wraps when the frame is too narrow to contain it,
5719 and that causes any calculations made here to come out wrong. The
5720 end is some nasty buggy behavior, including the potential loss
5723 Disabling this code is either not sufficient to fix the problems
5724 completely, or it causes fresh problems, but at least it removes
5725 the most problematic symptom of the minibuffer becoming unusable.
5727 -----------------------------------------------------------------
5729 Now, strictly speaking, we can't be sure that this is accurate,
5730 but the window manager will get around to dealing with the size
5731 change request eventually, and we'll hear how it went when the
5732 ConfigureNotify event gets here.
5734 We could just not bother storing any of this information here,
5735 and let the ConfigureNotify event set everything up, but that
5736 might be kind of confusing to the Lisp code, since size changes
5737 wouldn't be reported in the frame parameters until some random
5738 point in the future when the ConfigureNotify event arrives.
5740 We pass 1 for DELAY since we can't run Lisp code inside of
5742 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5743 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5744 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5746 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5747 receive in the ConfigureNotify event; if we get what we asked
5748 for, then the event won't cause the screen to become garbaged, so
5749 we have to make sure to do it here. */
5750 SET_FRAME_GARBAGED (f
);
5752 /* If cursor was outside the new size, mark it as off. */
5753 mark_window_cursors_off (XWINDOW (f
->root_window
));
5755 /* Clear out any recollection of where the mouse highlighting was,
5756 since it might be in a place that's outside the new frame size.
5757 Actually checking whether it is outside is a pain in the neck,
5758 so don't try--just let the highlighting be done afresh with new size. */
5759 cancel_mouse_face (f
);
5765 /* Mouse warping. */
5767 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5770 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5774 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5775 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5777 if (pix_x
< 0) pix_x
= 0;
5778 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5780 if (pix_y
< 0) pix_y
= 0;
5781 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5783 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5787 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5794 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5795 pt
.x
= rect
.left
+ pix_x
;
5796 pt
.y
= rect
.top
+ pix_y
;
5797 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5799 SetCursorPos (pt
.x
, pt
.y
);
5805 /* focus shifting, raising and lowering. */
5808 x_focus_frame (struct frame
*f
)
5810 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5812 /* Give input focus to frame. */
5815 /* Try not to change its Z-order if possible. */
5816 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5817 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5820 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5824 /* Raise frame F. */
5826 x_raise_frame (struct frame
*f
)
5830 /* Strictly speaking, raise-frame should only change the frame's Z
5831 order, leaving input focus unchanged. This is reasonable behavior
5832 on X where the usual policy is point-to-focus. However, this
5833 behavior would be very odd on Windows where the usual policy is
5836 On X, if the mouse happens to be over the raised frame, it gets
5837 input focus anyway (so the window with focus will never be
5838 completely obscured) - if not, then just moving the mouse over it
5839 is sufficient to give it focus. On Windows, the user must actually
5840 click on the frame (preferably the title bar so as not to move
5841 point), which is more awkward. Also, no other Windows program
5842 raises a window to the top but leaves another window (possibly now
5843 completely obscured) with input focus.
5845 Because there is a system setting on Windows that allows the user
5846 to choose the point to focus policy, we make the strict semantics
5847 optional, but by default we grab focus when raising. */
5849 if (NILP (Vw32_grab_focus_on_raise
))
5851 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5852 not already the foreground application: the frame is raised
5853 above all other frames belonging to us, but not above the
5854 current top window. To achieve that, we have to resort to this
5855 more cumbersome method. */
5857 HDWP handle
= BeginDeferWindowPos (2);
5860 handle
= DeferWindowPos (handle
,
5861 FRAME_W32_WINDOW (f
),
5864 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5867 handle
= DeferWindowPos (handle
,
5868 GetForegroundWindow (),
5869 FRAME_W32_WINDOW (f
),
5871 SWP_NOSIZE
| SWP_NOMOVE
|
5874 EndDeferWindowPos (handle
);
5880 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5886 /* Lower frame F. */
5888 x_lower_frame (struct frame
*f
)
5891 my_set_window_pos (FRAME_W32_WINDOW (f
),
5894 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5899 w32_frame_raise_lower (struct frame
*f
, int raise_flag
)
5901 if (! FRAME_W32_P (f
))
5910 /* Change of visibility. */
5912 /* This tries to wait until the frame is really visible.
5913 However, if the window manager asks the user where to position
5914 the frame, this will return before the user finishes doing that.
5915 The frame will not actually be visible at that time,
5916 but it will become visible later when the window manager
5917 finishes with it. */
5920 x_make_frame_visible (struct frame
*f
)
5926 type
= x_icon_type (f
);
5928 x_bitmap_icon (f
, type
);
5930 if (! FRAME_VISIBLE_P (f
))
5932 /* We test FRAME_GARBAGED_P here to make sure we don't
5933 call x_set_offset a second time
5934 if we get to x_make_frame_visible a second time
5935 before the window gets really visible. */
5936 if (! FRAME_ICONIFIED_P (f
)
5937 && ! f
->output_data
.w32
->asked_for_visible
)
5942 /* Adjust vertical window position in order to avoid being
5943 covered by a task bar placed at the bottom of the desktop. */
5944 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5945 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5946 if (window_rect
.bottom
> workarea_rect
.bottom
5947 && window_rect
.top
> workarea_rect
.top
)
5948 f
->top_pos
= max (window_rect
.top
5949 - window_rect
.bottom
+ workarea_rect
.bottom
,
5952 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5955 f
->output_data
.w32
->asked_for_visible
= 1;
5957 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5958 causes unexpected behavior when unminimizing frames that were
5959 previously maximized. But only SW_SHOWNORMAL works properly for
5960 frames that were truely hidden (using make-frame-invisible), so
5961 we need it to avoid Bug#5482. It seems that iconified is only
5962 set for minimized windows that are still visible, so use that to
5963 determine the appropriate flag to pass ShowWindow. */
5964 my_show_window (f
, FRAME_W32_WINDOW (f
),
5965 FRAME_ICONIFIED_P (f
) ? SW_RESTORE
: SW_SHOWNORMAL
);
5968 /* Synchronize to ensure Emacs knows the frame is visible
5969 before we do anything else. We do this loop with input not blocked
5970 so that incoming events are handled. */
5975 /* This must come after we set COUNT. */
5978 XSETFRAME (frame
, f
);
5980 /* Wait until the frame is visible. Process X events until a
5981 MapNotify event has been seen, or until we think we won't get a
5982 MapNotify at all.. */
5983 for (count
= input_signal_count
+ 10;
5984 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5986 /* Force processing of queued events. */
5987 /* TODO: x_sync equivalent? */
5989 /* Machines that do polling rather than SIGIO have been observed
5990 to go into a busy-wait here. So we'll fake an alarm signal
5991 to let the handler know that there's something to be read.
5992 We used to raise a real alarm, but it seems that the handler
5993 isn't always enabled here. This is probably a bug. */
5994 if (input_polling_used ())
5996 /* It could be confusing if a real alarm arrives while processing
5997 the fake one. Turn it off and let the handler reset it. */
5998 int old_poll_suppress_count
= poll_suppress_count
;
5999 poll_suppress_count
= 1;
6000 poll_for_input_1 ();
6001 poll_suppress_count
= old_poll_suppress_count
;
6007 /* Change from mapped state to withdrawn state. */
6009 /* Make the frame visible (mapped and not iconified). */
6012 x_make_frame_invisible (struct frame
*f
)
6014 /* Don't keep the highlight on an invisible frame. */
6015 if (FRAME_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6016 FRAME_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6020 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
6022 /* We can't distinguish this from iconification
6023 just by the event that we get from the server.
6024 So we can't win using the usual strategy of letting
6025 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
6026 and synchronize with the server to make sure we agree. */
6027 SET_FRAME_VISIBLE (f
, 0);
6028 SET_FRAME_ICONIFIED (f
, 0);
6033 /* Change window state from mapped to iconified. */
6036 x_iconify_frame (struct frame
*f
)
6040 /* Don't keep the highlight on an invisible frame. */
6041 if (FRAME_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6042 FRAME_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6044 if (FRAME_ICONIFIED_P (f
))
6049 type
= x_icon_type (f
);
6051 x_bitmap_icon (f
, type
);
6053 /* Simulate the user minimizing the frame. */
6054 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6056 SET_FRAME_VISIBLE (f
, 0);
6057 SET_FRAME_ICONIFIED (f
, 1);
6063 /* Free X resources of frame F. */
6066 x_free_frame_resources (struct frame
*f
)
6068 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
6069 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
6073 /* We must free faces before destroying windows because some
6074 font-driver (e.g. xft) access a window while finishing a
6076 if (FRAME_FACE_CACHE (f
))
6077 free_frame_faces (f
);
6079 if (FRAME_W32_WINDOW (f
))
6080 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6082 free_frame_menubar (f
);
6084 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6085 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6086 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6087 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6088 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6089 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6090 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6091 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6092 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6093 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6095 if (FRAME_FACE_CACHE (f
))
6096 free_frame_faces (f
);
6098 xfree (f
->output_data
.w32
);
6099 f
->output_data
.w32
= NULL
;
6101 if (f
== dpyinfo
->w32_focus_frame
)
6102 dpyinfo
->w32_focus_frame
= 0;
6103 if (f
== dpyinfo
->w32_focus_event_frame
)
6104 dpyinfo
->w32_focus_event_frame
= 0;
6105 if (f
== dpyinfo
->x_highlight_frame
)
6106 dpyinfo
->x_highlight_frame
= 0;
6107 if (f
== hlinfo
->mouse_face_mouse_frame
)
6108 reset_mouse_highlight (hlinfo
);
6114 /* Destroy the window of frame F. */
6116 x_destroy_window (struct frame
*f
)
6118 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
6120 x_free_frame_resources (f
);
6121 dpyinfo
->reference_count
--;
6125 /* Setting window manager hints. */
6127 /* Set the normal size hints for the window manager, for frame F.
6128 FLAGS is the flags word to use--or 0 meaning preserve the flags
6129 that the window now has.
6130 If USER_POSITION, set the USPosition
6131 flag (this is useful when FLAGS is 0). */
6133 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6135 Window window
= FRAME_W32_WINDOW (f
);
6139 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6140 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6141 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6142 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6147 /***********************************************************************
6149 ***********************************************************************/
6153 /* Check that FONT is valid on frame F. It is if it can be found in F's
6157 x_check_font (struct frame
*f
, struct font
*font
)
6159 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6160 if (font
->driver
->check
)
6161 eassert (font
->driver
->check (f
, font
) == 0);
6164 #endif /* GLYPH_DEBUG */
6168 /***********************************************************************
6170 ***********************************************************************/
6172 static int w32_initialized
= 0;
6175 w32_initialize_display_info (Lisp_Object display_name
)
6177 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6179 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6181 /* Put it on w32_display_name_list. */
6182 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6183 w32_display_name_list
);
6184 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6186 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6187 + SCHARS (Vsystem_name
) + 2);
6188 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6189 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6191 /* Default Console mode values - overridden when running in GUI mode
6192 with values obtained from system metrics. */
6195 dpyinfo
->n_planes
= 1;
6196 dpyinfo
->n_cbits
= 4;
6197 dpyinfo
->n_fonts
= 0;
6198 dpyinfo
->smallest_font_height
= 1;
6199 dpyinfo
->smallest_char_width
= 1;
6200 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6201 /* TODO: dpyinfo->gray */
6203 reset_mouse_highlight (&dpyinfo
->mouse_highlight
);
6206 /* Create an xrdb-style database of resources to supersede registry settings.
6207 The database is just a concatenation of C strings, finished by an additional
6208 \0. The strings are submitted to some basic normalization, so
6210 [ *]option[ *]:[ *]value...
6216 but any whitespace following value is not removed. */
6219 w32_make_rdb (char *xrm_option
)
6221 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6222 char *current
= buffer
;
6225 int before_value
= 0;
6239 if (in_option
&& (ch
== ':'))
6244 else if (before_value
)
6249 else if (!(in_option
|| before_value
))
6260 extern frame_parm_handler w32_frame_parm_handlers
[];
6262 static struct redisplay_interface w32_redisplay_interface
=
6264 w32_frame_parm_handlers
,
6268 x_clear_end_of_line
,
6270 x_after_update_window_line
,
6271 x_update_window_begin
,
6272 x_update_window_end
,
6273 0, /* flush_display */
6274 x_clear_window_mouse_face
,
6275 x_get_glyph_overhangs
,
6276 x_fix_overlapping_area
,
6277 w32_draw_fringe_bitmap
,
6278 w32_define_fringe_bitmap
,
6279 w32_destroy_fringe_bitmap
,
6280 w32_compute_glyph_string_overhangs
,
6281 x_draw_glyph_string
,
6282 w32_define_frame_cursor
,
6283 w32_clear_frame_area
,
6284 w32_draw_window_cursor
,
6285 w32_draw_vertical_window_border
,
6286 w32_shift_glyphs_for_insert
6289 static void x_delete_terminal (struct terminal
*term
);
6291 static struct terminal
*
6292 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6294 struct terminal
*terminal
;
6296 terminal
= create_terminal ();
6298 terminal
->type
= output_w32
;
6299 terminal
->display_info
.w32
= dpyinfo
;
6300 dpyinfo
->terminal
= terminal
;
6302 /* MSVC does not type K&R functions with no arguments correctly, and
6303 so we must explicitly cast them. */
6304 terminal
->clear_frame_hook
= x_clear_frame
;
6305 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6306 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6307 terminal
->ring_bell_hook
= w32_ring_bell
;
6308 terminal
->reset_terminal_modes_hook
= NULL
;
6309 terminal
->set_terminal_modes_hook
= NULL
;
6310 terminal
->update_begin_hook
= x_update_begin
;
6311 terminal
->update_end_hook
= x_update_end
;
6312 terminal
->set_terminal_window_hook
= NULL
;
6313 terminal
->read_socket_hook
= w32_read_socket
;
6314 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6315 terminal
->mouse_position_hook
= w32_mouse_position
;
6316 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6317 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6318 terminal
->fullscreen_hook
= w32fullscreen_hook
;
6319 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6320 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6321 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6322 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6324 terminal
->delete_frame_hook
= x_destroy_window
;
6325 terminal
->delete_terminal_hook
= x_delete_terminal
;
6327 terminal
->rif
= &w32_redisplay_interface
;
6328 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6329 terminal
->char_ins_del_ok
= 1;
6330 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6331 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6332 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6335 /* We don't yet support separate terminals on W32, so don't try to share
6336 keyboards between virtual terminals that are on the same physical
6337 terminal like X does. */
6338 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6339 init_kboard (terminal
->kboard
);
6340 kset_window_system (terminal
->kboard
, Qw32
);
6341 terminal
->kboard
->next_kboard
= all_kboards
;
6342 all_kboards
= terminal
->kboard
;
6343 /* Don't let the initial kboard remain current longer than necessary.
6344 That would cause problems if a file loaded on startup tries to
6345 prompt in the mini-buffer. */
6346 if (current_kboard
== initial_kboard
)
6347 current_kboard
= terminal
->kboard
;
6348 terminal
->kboard
->reference_count
++;
6354 x_delete_terminal (struct terminal
*terminal
)
6356 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6358 /* Protect against recursive calls. delete_frame in
6359 delete_terminal calls us back when it deletes our last frame. */
6360 if (!terminal
->name
)
6365 x_delete_display (dpyinfo
);
6369 struct w32_display_info
*
6370 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6372 struct w32_display_info
*dpyinfo
;
6373 struct terminal
*terminal
;
6378 if (!w32_initialized
)
6381 w32_initialized
= 1;
6384 w32_initialize_display_info (display_name
);
6386 dpyinfo
= &one_w32_display_info
;
6387 terminal
= w32_create_terminal (dpyinfo
);
6389 /* Set the name of the terminal. */
6390 terminal
->name
= xlispstrdup (display_name
);
6392 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6394 /* Put this display on the chain. */
6395 dpyinfo
->next
= x_display_list
;
6396 x_display_list
= dpyinfo
;
6400 dpyinfo
->root_window
= GetDesktopWindow ();
6401 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6402 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6403 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6404 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6405 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6406 ReleaseDC (NULL
, hdc
);
6408 /* initialize palette with white and black */
6411 w32_defined_color (0, "white", &color
, 1);
6412 w32_defined_color (0, "black", &color
, 1);
6416 /* Add the default keyboard. When !WINDOWSNT, we're using the
6417 standard Emacs console handling machinery and don't need an
6418 explicit FD here. */
6419 add_keyboard_wait_descriptor (0);
6421 /* /dev/windows wakes us up when we have a thread message pending. */
6422 add_keyboard_wait_descriptor (w32_message_fd
);
6425 /* Create Fringe Bitmaps and store them for later use.
6427 On W32, bitmaps are all unsigned short, as Windows requires
6428 bitmap data to be Word aligned. For some reason they are
6429 horizontally reflected compared to how they appear on X, so we
6430 need to bitswap and convert to unsigned shorts before creating
6432 w32_init_fringe (terminal
->rif
);
6439 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6441 x_delete_display (struct w32_display_info
*dpyinfo
)
6443 /* Discard this display from w32_display_name_list and w32_display_list.
6444 We can't use Fdelq because that can quit. */
6445 if (! NILP (w32_display_name_list
)
6446 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6447 w32_display_name_list
= XCDR (w32_display_name_list
);
6452 tail
= w32_display_name_list
;
6453 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6455 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6457 XSETCDR (tail
, XCDR (XCDR (tail
)));
6464 /* free palette table */
6466 struct w32_palette_entry
* plist
;
6468 plist
= dpyinfo
->color_list
;
6471 struct w32_palette_entry
* pentry
= plist
;
6472 plist
= plist
->next
;
6475 dpyinfo
->color_list
= NULL
;
6476 if (dpyinfo
->palette
)
6477 DeleteObject (dpyinfo
->palette
);
6479 xfree (dpyinfo
->w32_id_name
);
6481 w32_reset_fringes ();
6485 /* Set up use of W32. */
6487 DWORD WINAPI
w32_msg_worker (void * arg
);
6490 w32_initialize (void)
6493 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6497 w32_system_caret_hwnd
= NULL
;
6498 w32_system_caret_height
= 0;
6499 w32_system_caret_x
= 0;
6500 w32_system_caret_y
= 0;
6502 /* On Windows 7 and later, we need to set the user model ID
6503 to associate emacsclient launched files with Emacs frames
6505 shell
= GetModuleHandle ("shell32.dll");
6509 = (void *) GetProcAddress (shell
,
6510 "SetCurrentProcessExplicitAppUserModelID");
6512 /* If the function is defined, then we are running on Windows 7
6513 or newer, and the UI uses this to group related windows
6514 together. Since emacs, runemacs, emacsclient are related, we
6515 want them grouped even though the executables are different,
6516 so we need to set a consistent ID between them. */
6518 set_user_model (L
"GNU.Emacs");
6522 if ((w32_message_fd
= emacs_open ("/dev/windows", O_RDWR
, 0)) == -1)
6523 fatal ("opening /dev/windows: %s", strerror (errno
));
6526 /* Initialize w32_use_visible_system_caret based on whether a screen
6527 reader is in use. */
6528 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6529 &w32_use_visible_system_caret
, 0))
6530 w32_use_visible_system_caret
= 0;
6532 last_tool_bar_item
= -1;
6533 any_help_event_p
= 0;
6535 /* Initialize input mode: interrupt_input off, no flow control, allow
6536 8 bit character input, standard quit char. */
6537 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6540 DWORD input_locale_id
= ((DWORD_PTR
) GetKeyboardLayout (0) & 0xffffffff);
6541 w32_keyboard_codepage
=
6542 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6545 /* Create the window thread - it will terminate itself when the app
6549 dwMainThreadId
= GetCurrentThreadId ();
6550 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6551 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6553 /* Wait for thread to start */
6557 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6559 hWindowsThread
= CreateThread (NULL
, 0,
6561 0, 0, &dwWindowsThreadId
);
6563 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6566 /* It is desirable that mainThread should have the same notion of
6567 focus window and active window as windowsThread. Unfortunately, the
6568 following call to AttachThreadInput, which should do precisely what
6569 we need, causes major problems when Emacs is linked as a console
6570 program. Unfortunately, we have good reasons for doing that, so
6571 instead we need to send messages to windowsThread to make some API
6572 calls for us (ones that affect, or depend on, the active/focus
6574 #ifdef ATTACH_THREADS
6575 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6578 /* Dynamically link to optional system components. */
6580 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6582 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6584 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6588 /* Ensure scrollbar handle is at least 5 pixels. */
6589 vertical_scroll_bar_min_handle
= 5;
6591 /* For either kind of scroll bar, take account of the arrows; these
6592 effectively form the border of the main scroll bar range. */
6593 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6594 = GetSystemMetrics (SM_CYVSCROLL
);
6599 syms_of_w32term (void)
6601 staticpro (&w32_display_name_list
);
6602 w32_display_name_list
= Qnil
;
6604 staticpro (&last_mouse_scroll_bar
);
6605 last_mouse_scroll_bar
= Qnil
;
6607 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6609 DEFSYM (Qadded
, "added");
6610 DEFSYM (Qremoved
, "removed");
6611 DEFSYM (Qmodified
, "modified");
6612 DEFSYM (Qrenamed_from
, "renamed-from");
6613 DEFSYM (Qrenamed_to
, "renamed-to");
6615 DEFVAR_INT ("w32-num-mouse-buttons",
6616 w32_num_mouse_buttons
,
6617 doc
: /* Number of physical mouse buttons. */);
6618 w32_num_mouse_buttons
= 2;
6620 DEFVAR_LISP ("w32-swap-mouse-buttons",
6621 Vw32_swap_mouse_buttons
,
6622 doc
: /* Swap the mapping of middle and right mouse buttons.
6623 When nil, middle button is mouse-2 and right button is mouse-3. */);
6624 Vw32_swap_mouse_buttons
= Qnil
;
6626 DEFVAR_LISP ("w32-grab-focus-on-raise",
6627 Vw32_grab_focus_on_raise
,
6628 doc
: /* Raised frame grabs input focus.
6629 When t, `raise-frame' grabs input focus as well. This fits well
6630 with the normal Windows click-to-focus policy, but might not be
6631 desirable when using a point-to-focus policy. */);
6632 Vw32_grab_focus_on_raise
= Qt
;
6634 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6635 Vw32_capslock_is_shiftlock
,
6636 doc
: /* Apply CapsLock state to non character input keys.
6637 When nil, CapsLock only affects normal character input keys. */);
6638 Vw32_capslock_is_shiftlock
= Qnil
;
6640 DEFVAR_LISP ("w32-recognize-altgr",
6641 Vw32_recognize_altgr
,
6642 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6643 When nil, the right-alt and left-ctrl key combination is
6644 interpreted normally. */);
6645 Vw32_recognize_altgr
= Qt
;
6647 DEFVAR_BOOL ("w32-use-visible-system-caret",
6648 w32_use_visible_system_caret
,
6649 doc
: /* Flag to make the system caret visible.
6650 When this is non-nil, Emacs will indicate the position of point by
6651 using the system caret instead of drawing its own cursor. Some screen
6652 reader software does not track the system cursor properly when it is
6653 invisible, and gets confused by Emacs drawing its own cursor, so this
6654 variable is initialized to t when Emacs detects that screen reader
6655 software is running as it starts up.
6657 When this variable is set, other variables affecting the appearance of
6658 the cursor have no effect. */);
6660 w32_use_visible_system_caret
= 0;
6662 /* We don't yet support this, but defining this here avoids whining
6663 from cus-start.el and other places, like "M-x set-variable". */
6664 DEFVAR_BOOL ("x-use-underline-position-properties",
6665 x_use_underline_position_properties
,
6666 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6667 A value of nil means ignore them. If you encounter fonts with bogus
6668 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6669 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6670 to override the font's UNDERLINE_POSITION for small font display
6672 x_use_underline_position_properties
= 0;
6674 DEFVAR_BOOL ("x-underline-at-descent-line",
6675 x_underline_at_descent_line
,
6676 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6677 A value of nil means to draw the underline according to the value of the
6678 variable `x-use-underline-position-properties', which is usually at the
6679 baseline level. The default value is nil. */);
6680 x_underline_at_descent_line
= 0;
6682 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6683 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6684 A value of nil means Emacs doesn't use toolkit scroll bars.
6685 With the X Window system, the value is a symbol describing the
6686 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6687 With MS Windows or Nextstep, the value is t. */);
6688 Vx_toolkit_scroll_bars
= Qt
;
6690 staticpro (&last_mouse_motion_frame
);
6691 last_mouse_motion_frame
= Qnil
;
6693 /* Tell Emacs about this window system. */
6694 Fprovide (Qw32
, Qnil
);