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_W32_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_W32_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_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1007 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1010 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1011 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1013 s
->gc
= FRAME_W32_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_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1056 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1059 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1060 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1062 s
->gc
= FRAME_W32_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_W32_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_W32_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_W32_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_W32_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
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3870 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3871 max (height
, 1), TRUE
);
3873 si
.cbSize
= sizeof (si
);
3874 si
.fMask
= SIF_RANGE
;
3876 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3877 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3879 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3881 my_show_window (f
, hwnd
, SW_NORMAL
);
3882 /* InvalidateRect (w, NULL, FALSE); */
3884 /* Remember new settings. */
3885 XSETINT (bar
->left
, sb_left
);
3886 XSETINT (bar
->top
, top
);
3887 XSETINT (bar
->width
, sb_width
);
3888 XSETINT (bar
->height
, height
);
3893 bar
->fringe_extended_p
= fringe_extended_p
;
3895 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3896 XSETVECTOR (barobj
, bar
);
3897 wset_vertical_scroll_bar (w
, barobj
);
3901 /* The following three hooks are used when we're doing a thorough
3902 redisplay of the frame. We don't explicitly know which scroll bars
3903 are going to be deleted, because keeping track of when windows go
3904 away is a real pain - "Can you say set-window-configuration, boys
3905 and girls?" Instead, we just assert at the beginning of redisplay
3906 that *all* scroll bars are to be removed, and then save a scroll bar
3907 from the fiery pit when we actually redisplay its window. */
3909 /* Arrange for all scroll bars on FRAME to be removed at the next call
3910 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3911 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3914 w32_condemn_scroll_bars (struct frame
*frame
)
3916 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3917 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3920 bar
= FRAME_SCROLL_BARS (frame
);
3921 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3922 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3923 XSCROLL_BAR (bar
)->prev
= Qnil
;
3924 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3925 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3926 fset_condemned_scroll_bars (frame
, bar
);
3931 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3932 Note that WINDOW isn't necessarily condemned at all. */
3935 w32_redeem_scroll_bar (struct window
*window
)
3937 struct scroll_bar
*bar
;
3941 /* We can't redeem this window's scroll bar if it doesn't have one. */
3942 if (NILP (window
->vertical_scroll_bar
))
3945 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3947 /* Unlink it from the condemned list. */
3948 f
= XFRAME (WINDOW_FRAME (window
));
3949 if (NILP (bar
->prev
))
3951 /* If the prev pointer is nil, it must be the first in one of
3953 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3954 /* It's not condemned. Everything's fine. */
3956 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3957 window
->vertical_scroll_bar
))
3958 fset_condemned_scroll_bars (f
, bar
->next
);
3960 /* If its prev pointer is nil, it must be at the front of
3961 one or the other! */
3965 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3967 if (! NILP (bar
->next
))
3968 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3970 bar
->next
= FRAME_SCROLL_BARS (f
);
3972 XSETVECTOR (barobj
, bar
);
3973 fset_scroll_bars (f
, barobj
);
3974 if (! NILP (bar
->next
))
3975 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3978 /* Remove all scroll bars on FRAME that haven't been saved since the
3979 last call to `*condemn_scroll_bars_hook'. */
3982 w32_judge_scroll_bars (struct frame
*f
)
3984 Lisp_Object bar
, next
;
3986 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3988 /* Clear out the condemned list now so we won't try to process any
3989 more events on the hapless scroll bars. */
3990 fset_condemned_scroll_bars (f
, Qnil
);
3992 for (; ! NILP (bar
); bar
= next
)
3994 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3996 x_scroll_bar_remove (b
);
3999 b
->next
= b
->prev
= Qnil
;
4002 /* Now there should be no references to the condemned scroll bars,
4003 and they should get garbage-collected. */
4006 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4007 is set to something other than NO_EVENT, it is enqueued.
4009 This may be called from a signal handler, so we have to ignore GC
4013 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
4014 struct input_event
*emacs_event
)
4016 if (! WINDOWP (bar
->window
))
4019 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
4020 emacs_event
->code
= 0;
4021 /* not really meaningful to distinguish up/down */
4022 emacs_event
->modifiers
= msg
->dwModifiers
;
4023 emacs_event
->frame_or_window
= bar
->window
;
4024 emacs_event
->arg
= Qnil
;
4025 emacs_event
->timestamp
= msg
->msg
.time
;
4028 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4030 int dragging
= !NILP (bar
->dragging
);
4033 si
.cbSize
= sizeof (si
);
4036 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4039 bar
->dragging
= Qnil
;
4042 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4044 switch (LOWORD (msg
->msg
.wParam
))
4047 emacs_event
->part
= scroll_bar_down_arrow
;
4050 emacs_event
->part
= scroll_bar_up_arrow
;
4053 emacs_event
->part
= scroll_bar_above_handle
;
4056 emacs_event
->part
= scroll_bar_below_handle
;
4059 emacs_event
->part
= scroll_bar_handle
;
4063 emacs_event
->part
= scroll_bar_handle
;
4067 case SB_THUMBPOSITION
:
4068 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4069 y
= HIWORD (msg
->msg
.wParam
);
4071 emacs_event
->part
= scroll_bar_handle
;
4073 /* "Silently" update current position. */
4077 si
.cbSize
= sizeof (si
);
4080 /* Remember apparent position (we actually lag behind the real
4081 position, so don't set that directly). */
4082 last_scroll_bar_drag_pos
= y
;
4084 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4088 /* If this is the end of a drag sequence, then reset the scroll
4089 handle size to normal and do a final redraw. Otherwise do
4094 int start
= XINT (bar
->start
);
4095 int end
= XINT (bar
->end
);
4097 si
.cbSize
= sizeof (si
);
4098 si
.fMask
= SIF_PAGE
| SIF_POS
;
4099 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4100 si
.nPos
= last_scroll_bar_drag_pos
;
4101 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4105 emacs_event
->kind
= NO_EVENT
;
4109 XSETINT (emacs_event
->x
, y
);
4110 XSETINT (emacs_event
->y
, top_range
);
4116 /* Return information to the user about the current position of the mouse
4117 on the scroll bar. */
4120 x_scroll_bar_report_motion (struct frame
**fp
, Lisp_Object
*bar_window
,
4121 enum scroll_bar_part
*part
,
4122 Lisp_Object
*x
, Lisp_Object
*y
,
4123 unsigned long *time
)
4125 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4126 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4127 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4129 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4135 *bar_window
= bar
->window
;
4137 si
.cbSize
= sizeof (si
);
4138 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4140 GetScrollInfo (w
, SB_CTL
, &si
);
4142 top_range
= si
.nMax
- si
.nPage
+ 1;
4144 switch (LOWORD (last_mouse_scroll_bar_pos
))
4146 case SB_THUMBPOSITION
:
4148 *part
= scroll_bar_handle
;
4149 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4150 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4153 *part
= scroll_bar_handle
;
4157 *part
= scroll_bar_handle
;
4162 XSETINT (*y
, top_range
);
4165 last_mouse_scroll_bar
= Qnil
;
4167 *time
= last_mouse_movement_time
;
4173 /* The screen has been cleared so we may have changed foreground or
4174 background colors, and the scroll bars may need to be redrawn.
4175 Clear out the scroll bars, and ask for expose events, so we can
4179 x_scroll_bar_clear (struct frame
*f
)
4183 /* We can have scroll bars even if this is 0,
4184 if we just turned off scroll bar mode.
4185 But in that case we should not clear them. */
4186 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4187 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4188 bar
= XSCROLL_BAR (bar
)->next
)
4190 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4191 HDC hdc
= GetDC (window
);
4194 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4195 arranges to refresh the scroll bar if hidden. */
4196 my_show_window (f
, window
, SW_HIDE
);
4198 GetClientRect (window
, &rect
);
4199 select_palette (f
, hdc
);
4200 w32_clear_rect (f
, hdc
, &rect
);
4201 deselect_palette (f
, hdc
);
4203 ReleaseDC (window
, hdc
);
4208 /* The main W32 event-reading loop - w32_read_socket. */
4210 /* Record the last 100 characters stored
4211 to help debug the loss-of-chars-during-GC problem. */
4213 static int temp_index
;
4214 static short temp_buffer
[100];
4216 /* Temporarily store lead byte of DBCS input sequences. */
4217 static char dbcs_lead
= 0;
4219 /* Read events coming from the W32 shell.
4220 This routine is called by the SIGIO handler.
4221 We return as soon as there are no more events to be read.
4223 For an overview of how Emacs input works on MS-Windows, see the
4224 commentary before w32_msg_pump in w32fns.c.
4226 We return the number of characters stored into the buffer,
4227 thus pretending to be `read'.
4229 Some of these messages are reposted back to the message queue since the
4230 system calls the windows proc directly in a context where we cannot return
4231 the data nor can we guarantee the state we are in. So if we dispatch them
4232 we will get into an infinite loop. To prevent this from ever happening we
4233 will set a variable to indicate we are in the read_socket call and indicate
4234 which message we are processing since the windows proc gets called
4235 recursively with different messages by the system.
4239 w32_read_socket (struct terminal
*terminal
,
4240 struct input_event
*hold_quit
)
4243 int check_visibility
= 0;
4246 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4247 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4252 /* So people can tell when we have read the available input. */
4253 input_signal_count
++;
4255 /* Process any incoming thread messages. */
4256 drain_message_queue ();
4258 /* TODO: ghostscript integration. */
4259 while (get_next_msg (&msg
, FALSE
))
4261 struct input_event inev
;
4264 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4265 /* w32_name_of_message (msg.msg.message), */
4266 /* msg.msg.time)); */
4269 inev
.kind
= NO_EVENT
;
4272 switch (msg
.msg
.message
)
4274 case WM_EMACS_PAINT
:
4275 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4279 if (msg
.rect
.right
== msg
.rect
.left
||
4280 msg
.rect
.bottom
== msg
.rect
.top
)
4282 /* We may get paint messages even though the client
4283 area is clipped - these are not expose events. */
4284 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4287 else if (FRAME_VISIBLE_P (f
) != 1)
4289 bool iconified
= FRAME_ICONIFIED_P (f
);
4291 /* Definitely not obscured, so mark as visible. */
4292 SET_FRAME_VISIBLE (f
, 1);
4293 SET_FRAME_ICONIFIED (f
, 0);
4294 SET_FRAME_GARBAGED (f
);
4295 if (!f
->output_data
.w32
->asked_for_visible
)
4296 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4299 /* WM_PAINT serves as MapNotify as well, so report
4300 visibility changes properly. */
4303 inev
.kind
= DEICONIFY_EVENT
;
4304 XSETFRAME (inev
.frame_or_window
, f
);
4306 else if (!NILP (Vframe_list
) && !NILP (XCDR (Vframe_list
)))
4307 /* Force a redisplay sooner or later to update the
4308 frame titles in case this is the second frame. */
4309 record_asynch_buffer_change ();
4313 HDC hdc
= get_frame_dc (f
);
4315 /* Erase background again for safety. */
4316 w32_clear_rect (f
, hdc
, &msg
.rect
);
4317 release_frame_dc (f
, hdc
);
4321 msg
.rect
.right
- msg
.rect
.left
,
4322 msg
.rect
.bottom
- msg
.rect
.top
);
4327 case WM_INPUTLANGCHANGE
:
4328 /* Generate a language change event. */
4329 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4331 /* lParam contains the input language ID in its low 16 bits.
4332 Use it to update our record of the keyboard codepage. */
4333 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4338 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4339 XSETFRAME (inev
.frame_or_window
, f
);
4340 inev
.code
= w32_keyboard_codepage
;
4341 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4347 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4349 if (f
&& !FRAME_ICONIFIED_P (f
))
4351 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4352 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4354 clear_mouse_face (hlinfo
);
4355 hlinfo
->mouse_face_hidden
= 1;
4358 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4360 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4361 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4362 inev
.code
= msg
.msg
.wParam
;
4363 inev
.modifiers
= msg
.dwModifiers
;
4364 XSETFRAME (inev
.frame_or_window
, f
);
4365 inev
.timestamp
= msg
.msg
.time
;
4372 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4374 if (f
&& !FRAME_ICONIFIED_P (f
))
4376 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4377 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4379 clear_mouse_face (hlinfo
);
4380 hlinfo
->mouse_face_hidden
= 1;
4383 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4385 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4387 inev
.modifiers
= msg
.dwModifiers
;
4388 XSETFRAME (inev
.frame_or_window
, f
);
4389 inev
.timestamp
= msg
.msg
.time
;
4391 if (msg
.msg
.message
== WM_UNICHAR
)
4393 inev
.code
= msg
.msg
.wParam
;
4395 else if (msg
.msg
.wParam
< 256)
4400 dbcs
[1] = (char) msg
.msg
.wParam
;
4404 dbcs
[0] = dbcs_lead
;
4406 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4410 DebPrint (("Invalid DBCS sequence: %d %d\n",
4412 inev
.kind
= NO_EVENT
;
4416 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4417 (BYTE
) msg
.msg
.wParam
))
4419 dbcs_lead
= (char) msg
.msg
.wParam
;
4420 inev
.kind
= NO_EVENT
;
4425 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4426 &dbcs
[1], 1, &code
, 1))
4428 /* What to do with garbage? */
4429 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4430 inev
.kind
= NO_EVENT
;
4438 /* Windows shouldn't generate WM_CHAR events above 0xFF
4439 in non-Unicode message handlers. */
4440 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4441 inev
.kind
= NO_EVENT
;
4444 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4445 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4450 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4452 if (f
&& !FRAME_ICONIFIED_P (f
))
4454 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4455 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4457 clear_mouse_face (hlinfo
);
4458 hlinfo
->mouse_face_hidden
= 1;
4461 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4463 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4464 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4465 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4466 inev
.modifiers
= msg
.dwModifiers
;
4467 XSETFRAME (inev
.frame_or_window
, f
);
4468 inev
.timestamp
= msg
.msg
.time
;
4473 /* Ignore non-movement. */
4475 int x
= LOWORD (msg
.msg
.lParam
);
4476 int y
= HIWORD (msg
.msg
.lParam
);
4477 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4479 last_mousemove_x
= x
;
4480 last_mousemove_y
= y
;
4483 previous_help_echo_string
= help_echo_string
;
4484 help_echo_string
= Qnil
;
4486 if (dpyinfo
->grabbed
&& last_mouse_frame
4487 && FRAME_LIVE_P (last_mouse_frame
))
4488 f
= last_mouse_frame
;
4490 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4492 if (hlinfo
->mouse_face_hidden
)
4494 hlinfo
->mouse_face_hidden
= 0;
4495 clear_mouse_face (hlinfo
);
4500 /* Generate SELECT_WINDOW_EVENTs when needed. */
4501 if (!NILP (Vmouse_autoselect_window
))
4503 static Lisp_Object last_mouse_window
;
4504 Lisp_Object window
= window_from_coordinates
4505 (f
, LOWORD (msg
.msg
.lParam
), HIWORD (msg
.msg
.lParam
), 0, 0);
4507 /* Window will be selected only when it is not
4508 selected now and last mouse movement event was
4509 not in it. Minibuffer window will be selected
4510 only when it is active. */
4511 if (WINDOWP (window
)
4512 && !EQ (window
, last_mouse_window
)
4513 && !EQ (window
, selected_window
)
4514 /* For click-to-focus window managers
4515 create event iff we don't leave the
4517 && (focus_follows_mouse
4518 || (EQ (XWINDOW (window
)->frame
,
4519 XWINDOW (selected_window
)->frame
))))
4521 inev
.kind
= SELECT_WINDOW_EVENT
;
4522 inev
.frame_or_window
= window
;
4524 /* Remember the last window where we saw the mouse. */
4525 last_mouse_window
= window
;
4527 if (!note_mouse_movement (f
, &msg
.msg
))
4528 help_echo_string
= previous_help_echo_string
;
4532 /* If we move outside the frame, then we're
4533 certainly no longer on any text in the frame. */
4534 clear_mouse_face (hlinfo
);
4537 /* If the contents of the global variable help_echo_string
4538 has changed, generate a HELP_EVENT. */
4539 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4540 But it was originally changed to this to fix a bug, so I have
4541 not removed it completely in case the bug is still there. */
4542 if (help_echo_string
!= previous_help_echo_string
||
4543 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4544 #else /* This is what xterm.c does. */
4545 if (!NILP (help_echo_string
)
4546 || !NILP (previous_help_echo_string
))
4551 case WM_LBUTTONDOWN
:
4553 case WM_MBUTTONDOWN
:
4555 case WM_RBUTTONDOWN
:
4557 case WM_XBUTTONDOWN
:
4560 /* If we decide we want to generate an event to be seen
4561 by the rest of Emacs, we put it here. */
4562 bool tool_bar_p
= 0;
4566 if (dpyinfo
->grabbed
&& last_mouse_frame
4567 && FRAME_LIVE_P (last_mouse_frame
))
4568 f
= last_mouse_frame
;
4570 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4574 construct_mouse_click (&inev
, &msg
, f
);
4576 /* Is this in the tool-bar? */
4577 if (WINDOWP (f
->tool_bar_window
)
4578 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4581 int x
= XFASTINT (inev
.x
);
4582 int y
= XFASTINT (inev
.y
);
4584 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4586 if (EQ (window
, f
->tool_bar_window
))
4588 w32_handle_tool_bar_click (f
, &inev
);
4594 || (dpyinfo
->w32_focus_frame
4595 && f
!= dpyinfo
->w32_focus_frame
))
4596 inev
.kind
= NO_EVENT
;
4599 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4604 dpyinfo
->grabbed
&= ~ (1 << button
);
4608 dpyinfo
->grabbed
|= (1 << button
);
4609 last_mouse_frame
= f
;
4610 /* Ignore any mouse motion that happened
4611 before this event; any subsequent mouse-movement
4612 Emacs events should reflect only motion after
4618 last_tool_bar_item
= -1;
4624 case WM_MOUSEHWHEEL
:
4626 if (dpyinfo
->grabbed
&& last_mouse_frame
4627 && FRAME_LIVE_P (last_mouse_frame
))
4628 f
= last_mouse_frame
;
4630 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4635 if (!dpyinfo
->w32_focus_frame
4636 || f
== dpyinfo
->w32_focus_frame
)
4638 /* Emit an Emacs wheel-up/down event. */
4639 construct_mouse_wheel (&inev
, &msg
, f
);
4641 /* Ignore any mouse motion that happened before this
4642 event; any subsequent mouse-movement Emacs events
4643 should reflect only motion after the
4647 last_mouse_frame
= f
;
4648 last_tool_bar_item
= -1;
4653 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4656 construct_drag_n_drop (&inev
, &msg
, f
);
4661 struct scroll_bar
*bar
=
4662 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4665 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4669 case WM_WINDOWPOSCHANGED
:
4671 case WM_ACTIVATEAPP
:
4672 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4675 /* Run the full-screen hook function also when we are
4676 being activated, to actually install the required
4677 size in effect, if the WAIT flag is set. This is
4678 because when the hook is run from x_set_fullscreen,
4679 the frame might not yet be visible, if that call is a
4680 result of make-frame, and in that case the hook just
4681 sets the WAIT flag. */
4682 if ((msg
.msg
.message
== WM_WINDOWPOSCHANGED
|| msg
.msg
.wParam
)
4683 && (f
->want_fullscreen
& FULLSCREEN_WAIT
))
4684 w32fullscreen_hook (f
);
4685 x_check_fullscreen (f
);
4687 check_visibility
= 1;
4691 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4693 if (f
&& !FRAME_ICONIFIED_P (f
))
4697 x_real_positions (f
, &x
, &y
);
4702 check_visibility
= 1;
4706 /* wParam non-zero means Window is about to be shown, 0 means
4707 about to be hidden. */
4708 /* Redo the mouse-highlight after the tooltip has gone. */
4709 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4712 redo_mouse_highlight ();
4715 /* If window has been obscured or exposed by another window
4716 being maximized or minimized/restored, then recheck
4717 visibility of all frames. Direct changes to our own
4718 windows get handled by WM_SIZE. */
4720 if (msg
.msg
.lParam
!= 0)
4721 check_visibility
= 1;
4724 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4725 f
->async_visible
= msg
.msg
.wParam
;
4729 check_visibility
= 1;
4733 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4735 /* Inform lisp of whether frame has been iconified etc. */
4738 switch (msg
.msg
.wParam
)
4740 case SIZE_MINIMIZED
:
4741 SET_FRAME_VISIBLE (f
, 0);
4742 SET_FRAME_ICONIFIED (f
, 1);
4744 inev
.kind
= ICONIFY_EVENT
;
4745 XSETFRAME (inev
.frame_or_window
, f
);
4748 case SIZE_MAXIMIZED
:
4751 bool iconified
= FRAME_ICONIFIED_P (f
);
4754 SET_FRAME_VISIBLE (f
, 1);
4755 SET_FRAME_ICONIFIED (f
, 0);
4757 /* wait_reading_process_output will notice this
4758 and update the frame's display structures. */
4759 SET_FRAME_GARBAGED (f
);
4765 /* Reset top and left positions of the Window
4766 here since Windows sends a WM_MOVE message
4767 BEFORE telling us the Window is minimized
4768 when the Window is iconified, with 3000,3000
4770 x_real_positions (f
, &x
, &y
);
4774 inev
.kind
= DEICONIFY_EVENT
;
4775 XSETFRAME (inev
.frame_or_window
, f
);
4777 else if (! NILP (Vframe_list
)
4778 && ! NILP (XCDR (Vframe_list
)))
4779 /* Force a redisplay sooner or later
4780 to update the frame titles
4781 in case this is the second frame. */
4782 record_asynch_buffer_change ();
4788 if (f
&& !FRAME_ICONIFIED_P (f
) && msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4796 GetClientRect (msg
.msg
.hwnd
, &rect
);
4798 height
= rect
.bottom
- rect
.top
;
4799 width
= rect
.right
- rect
.left
;
4801 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4802 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4804 /* TODO: Clip size to the screen dimensions. */
4806 /* Even if the number of character rows and columns has
4807 not changed, the font size may have changed, so we need
4808 to check the pixel dimensions as well. */
4810 if (columns
!= FRAME_COLS (f
)
4811 || rows
!= FRAME_LINES (f
)
4812 || width
!= FRAME_PIXEL_WIDTH (f
)
4813 || height
!= FRAME_PIXEL_HEIGHT (f
))
4815 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4816 SET_FRAME_GARBAGED (f
);
4817 cancel_mouse_face (f
);
4818 FRAME_PIXEL_WIDTH (f
) = width
;
4819 FRAME_PIXEL_HEIGHT (f
) = height
;
4820 f
->win_gravity
= NorthWestGravity
;
4824 check_visibility
= 1;
4828 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4831 if (f
== hlinfo
->mouse_face_mouse_frame
)
4833 /* If we move outside the frame, then we're
4834 certainly no longer on any text in the frame. */
4835 clear_mouse_face (hlinfo
);
4836 hlinfo
->mouse_face_mouse_frame
= 0;
4839 /* Generate a nil HELP_EVENT to cancel a help-echo.
4840 Do it only if there's something to cancel.
4841 Otherwise, the startup message is cleared when
4842 the mouse leaves the frame. */
4843 if (any_help_event_p
)
4849 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4851 dpyinfo
->grabbed
= 0;
4852 check_visibility
= 1;
4856 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4857 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4861 if (f
== hlinfo
->mouse_face_mouse_frame
)
4863 /* If we move outside the frame, then we're
4864 certainly no longer on any text in the frame. */
4865 clear_mouse_face (hlinfo
);
4866 hlinfo
->mouse_face_mouse_frame
= 0;
4869 /* Generate a nil HELP_EVENT to cancel a help-echo.
4870 Do it only if there's something to cancel.
4871 Otherwise, the startup message is cleared when
4872 the mouse leaves the frame. */
4873 if (any_help_event_p
)
4877 dpyinfo
->grabbed
= 0;
4878 check_visibility
= 1;
4882 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4886 inev
.kind
= DELETE_WINDOW_EVENT
;
4887 XSETFRAME (inev
.frame_or_window
, f
);
4892 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4896 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4897 XSETFRAME (inev
.frame_or_window
, f
);
4902 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4906 extern void menubar_selection_callback
4907 (struct frame
*f
, void * client_data
);
4908 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4911 check_visibility
= 1;
4914 case WM_DISPLAYCHANGE
:
4915 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4919 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4920 DebPrint (("display change: %d %d\n",
4921 (short) LOWORD (msg
.msg
.lParam
),
4922 (short) HIWORD (msg
.msg
.lParam
)));
4925 check_visibility
= 1;
4929 case WM_EMACS_FILENOTIFY
:
4930 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4932 queue_notifications (&inev
, &msg
, f
, &count
);
4937 /* Check for messages registered at runtime. */
4938 if (msg
.msg
.message
== msh_mousewheel
)
4940 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4941 msg
.msg
.message
= WM_MOUSEWHEEL
;
4947 if (inev
.kind
!= NO_EVENT
)
4949 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4954 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4959 XSETFRAME (frame
, f
);
4965 if (NILP (help_echo_string
))
4967 help_echo_object
= help_echo_window
= Qnil
;
4971 any_help_event_p
= 1;
4972 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4973 help_echo_object
, help_echo_pos
);
4977 help_echo_string
= Qnil
;
4978 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4984 /* If the focus was just given to an autoraising frame,
4986 /* ??? This ought to be able to handle more than one such frame. */
4987 if (pending_autoraise_frame
)
4989 x_raise_frame (pending_autoraise_frame
);
4990 pending_autoraise_frame
= 0;
4993 /* Check which frames are still visible, if we have enqueued any user
4994 events or been notified of events that may affect visibility. We
4995 do this here because there doesn't seem to be any direct
4996 notification from Windows that the visibility of a window has
4997 changed (at least, not in all cases). */
4998 if (count
> 0 || check_visibility
)
5000 Lisp_Object tail
, frame
;
5002 FOR_EACH_FRAME (tail
, frame
)
5004 struct frame
*f
= XFRAME (frame
);
5005 /* The tooltip has been drawn already. Avoid the
5006 SET_FRAME_GARBAGED below. */
5007 if (EQ (frame
, tip_frame
))
5010 /* Check "visible" frames and mark each as obscured or not.
5011 Note that visible is nonzero for unobscured and obscured
5012 frames, but zero for hidden and iconified frames. */
5013 if (FRAME_W32_P (f
) && FRAME_VISIBLE_P (f
))
5020 /* Query clipping rectangle for the entire window area
5021 (GetWindowDC), not just the client portion (GetDC).
5022 Otherwise, the scrollbars and menubar aren't counted as
5023 part of the visible area of the frame, and we may think
5024 the frame is obscured when really a scrollbar is still
5025 visible and gets WM_PAINT messages above. */
5026 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
5027 GetClipBox (hdc
, &clipbox
);
5028 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5031 obscured
= FRAME_OBSCURED_P (f
);
5033 if (clipbox
.right
== clipbox
.left
|| clipbox
.bottom
== clipbox
.top
)
5035 /* Frame has become completely obscured so mark as such (we
5036 do this by setting visible to 2 so that FRAME_VISIBLE_P
5037 is still true, but redisplay will skip it). */
5038 SET_FRAME_VISIBLE (f
, 2);
5041 DebPrint (("frame %p (%s) obscured\n", f
, SDATA (f
->name
)));
5045 /* Frame is not obscured, so mark it as such. */
5046 SET_FRAME_VISIBLE (f
, 1);
5050 SET_FRAME_GARBAGED (f
);
5051 DebPrint (("obscured frame %p (%s) found to be visible\n",
5052 f
, SDATA (f
->name
)));
5054 /* Force a redisplay sooner or later. */
5055 record_asynch_buffer_change ();
5068 /***********************************************************************
5070 ***********************************************************************/
5072 /* Set clipping for output in glyph row ROW. W is the window in which
5073 we operate. GC is the graphics context to set clipping in.
5075 ROW may be a text row or, e.g., a mode line. Text rows must be
5076 clipped to the interior of the window dedicated to text display,
5077 mode lines must be clipped to the whole window. */
5080 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
,
5081 enum glyph_row_area area
, HDC hdc
)
5084 int window_x
, window_y
, window_width
;
5086 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5088 clip_rect
.left
= window_x
;
5089 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5090 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5091 clip_rect
.right
= clip_rect
.left
+ window_width
;
5092 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5094 w32_set_clip_rectangle (hdc
, &clip_rect
);
5098 /* Draw a hollow box cursor on window W in glyph row ROW. */
5101 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5103 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5107 struct glyph
*cursor_glyph
;
5108 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5110 /* Get the glyph the cursor is on. If we can't tell because
5111 the current matrix is invalid or such, give up. */
5112 cursor_glyph
= get_phys_cursor_glyph (w
);
5113 if (cursor_glyph
== NULL
)
5119 /* Compute frame-relative coordinates for phys cursor. */
5120 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5123 rect
.bottom
= rect
.top
+ h
;
5124 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5126 hdc
= get_frame_dc (f
);
5127 /* Set clipping, draw the rectangle, and reset clipping again. */
5128 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5129 FrameRect (hdc
, &rect
, hb
);
5131 w32_set_clip_rectangle (hdc
, NULL
);
5132 release_frame_dc (f
, hdc
);
5136 /* Draw a bar cursor on window W in glyph row ROW.
5138 Implementation note: One would like to draw a bar cursor with an
5139 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5140 Unfortunately, I didn't find a font yet that has this property set.
5144 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5145 int width
, enum text_cursor_kinds kind
)
5147 struct frame
*f
= XFRAME (w
->frame
);
5148 struct glyph
*cursor_glyph
;
5150 /* If cursor is out of bounds, don't draw garbage. This can happen
5151 in mini-buffer windows when switching between echo area glyphs
5153 cursor_glyph
= get_phys_cursor_glyph (w
);
5154 if (cursor_glyph
== NULL
)
5157 /* If on an image, draw like a normal cursor. That's usually better
5158 visible than drawing a bar, esp. if the image is large so that
5159 the bar might not be in the window. */
5160 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5162 struct glyph_row
*row
;
5163 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5164 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5168 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5169 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5173 /* If the glyph's background equals the color we normally draw
5174 the bar cursor in, the bar cursor in its normal color is
5175 invisible. Use the glyph's foreground color instead in this
5176 case, on the assumption that the glyph's colors are chosen so
5177 that the glyph is legible. */
5178 if (face
->background
== cursor_color
)
5179 cursor_color
= face
->foreground
;
5181 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5183 hdc
= get_frame_dc (f
);
5184 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5186 if (kind
== BAR_CURSOR
)
5189 width
= FRAME_CURSOR_WIDTH (f
);
5190 width
= min (cursor_glyph
->pixel_width
, width
);
5192 w
->phys_cursor_width
= width
;
5194 /* If the character under cursor is R2L, draw the bar cursor
5195 on the right of its glyph, rather than on the left. */
5196 if ((cursor_glyph
->resolved_level
& 1) != 0)
5197 x
+= cursor_glyph
->pixel_width
- width
;
5199 w32_fill_area (f
, hdc
, cursor_color
, x
,
5200 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5201 width
, row
->height
);
5205 int dummy_x
, dummy_y
, dummy_h
;
5208 width
= row
->height
;
5210 width
= min (row
->height
, width
);
5212 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5213 &dummy_y
, &dummy_h
);
5214 w32_fill_area (f
, hdc
, cursor_color
, x
,
5215 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5216 row
->height
- width
),
5217 w
->phys_cursor_width
, width
);
5220 w32_set_clip_rectangle (hdc
, NULL
);
5221 release_frame_dc (f
, hdc
);
5226 /* RIF: Define cursor CURSOR on frame F. */
5229 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5231 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5235 /* RIF: Clear area on frame F. */
5238 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5242 hdc
= get_frame_dc (f
);
5243 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5244 release_frame_dc (f
, hdc
);
5247 /* RIF: Draw or clear cursor on window W. */
5250 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5251 int x
, int y
, enum text_cursor_kinds cursor_type
,
5252 int cursor_width
, bool on_p
, bool active_p
)
5256 /* If the user wants to use the system caret, make sure our own
5257 cursor remains invisible. */
5258 if (w32_use_visible_system_caret
)
5260 /* Call to erase_phys_cursor here seems to use the
5261 wrong values of w->phys_cursor, as they have been
5262 overwritten before this function was called. */
5263 if (w
->phys_cursor_type
!= NO_CURSOR
)
5264 erase_phys_cursor (w
);
5266 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5267 w
->phys_cursor_width
= -1;
5271 w
->phys_cursor_type
= cursor_type
;
5274 w
->phys_cursor_on_p
= 1;
5276 /* If this is the active cursor, we need to track it with the
5277 system caret, so third party software like screen magnifiers
5278 and speech synthesizers can follow the cursor. */
5281 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5282 HWND hwnd
= FRAME_W32_WINDOW (f
);
5285 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5287 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5288 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5289 w32_system_caret_window
= w
;
5290 w32_system_caret_hdr_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
5291 w32_system_caret_mode_height
= WINDOW_MODE_LINE_HEIGHT (w
);
5293 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5295 /* If the size of the active cursor changed, destroy the old
5297 if (w32_system_caret_hwnd
5298 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5299 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5301 w32_system_caret_height
= w
->phys_cursor_height
;
5303 /* Move the system caret. */
5304 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5307 if (glyph_row
->exact_window_width_line_p
5308 && (glyph_row
->reversed_p
5309 ? (w
->phys_cursor
.hpos
< 0)
5310 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5312 glyph_row
->cursor_in_fringe_p
= 1;
5313 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5317 switch (cursor_type
)
5319 case HOLLOW_BOX_CURSOR
:
5320 x_draw_hollow_cursor (w
, glyph_row
);
5323 case FILLED_BOX_CURSOR
:
5324 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5328 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5332 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5336 w
->phys_cursor_width
= 0;
5350 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5353 HANDLE small_icon
= NULL
;
5355 if (FRAME_W32_WINDOW (f
) == 0)
5359 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5360 else if (STRINGP (icon
))
5362 /* Load the main icon from the named file. */
5363 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5364 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5365 /* Try to load a small icon to go with it. */
5366 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5367 GetSystemMetrics (SM_CXSMICON
),
5368 GetSystemMetrics (SM_CYSMICON
),
5371 else if (SYMBOLP (icon
))
5375 if (EQ (icon
, intern ("application")))
5376 name
= (LPCTSTR
) IDI_APPLICATION
;
5377 else if (EQ (icon
, intern ("hand")))
5378 name
= (LPCTSTR
) IDI_HAND
;
5379 else if (EQ (icon
, intern ("question")))
5380 name
= (LPCTSTR
) IDI_QUESTION
;
5381 else if (EQ (icon
, intern ("exclamation")))
5382 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5383 else if (EQ (icon
, intern ("asterisk")))
5384 name
= (LPCTSTR
) IDI_ASTERISK
;
5385 else if (EQ (icon
, intern ("winlogo")))
5386 name
= (LPCTSTR
) IDI_WINLOGO
;
5390 main_icon
= LoadIcon (NULL
, name
);
5395 if (main_icon
== NULL
)
5398 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5399 (LPARAM
) main_icon
);
5401 /* If there is a small icon that goes with it, set that too. */
5403 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5404 (LPARAM
) small_icon
);
5410 /************************************************************************
5412 ************************************************************************/
5414 /* Display Error Handling functions not used on W32. Listing them here
5415 helps diff stay in step when comparing w32term.c with xterm.c.
5417 x_error_catcher (display, error)
5418 x_catch_errors (dpy)
5419 x_catch_errors_unwind (old_val)
5420 x_check_errors (dpy, format)
5421 x_fully_uncatch_errors ()
5422 x_had_errors_p (dpy)
5423 x_clear_errors (dpy)
5424 x_uncatch_errors (dpy, count)
5426 x_connection_signal (signalnum)
5427 x_connection_closed (dpy, error_message)
5428 x_error_quitter (display, error)
5429 x_error_handler (display, error)
5430 x_io_error_quitter (display)
5435 /* Changing the font of the frame. */
5438 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5440 struct font
*font
= XFONT_OBJECT (font_object
);
5443 fontset
= fontset_from_font (font_object
);
5444 FRAME_FONTSET (f
) = fontset
;
5445 if (FRAME_FONT (f
) == font
)
5446 /* This font is already set in frame F. There's nothing more to
5450 FRAME_FONT (f
) = font
;
5451 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5452 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5453 FRAME_LINE_HEIGHT (f
) = font
->height
;
5455 compute_fringe_widths (f
, 1);
5457 /* Compute the scroll bar width in character columns. */
5458 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5460 int wid
= FRAME_COLUMN_WIDTH (f
);
5461 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5462 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5466 int wid
= FRAME_COLUMN_WIDTH (f
);
5467 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5470 /* Now make the frame display the given font. */
5471 if (FRAME_X_WINDOW (f
) != 0)
5473 /* Don't change the size of a tip frame; there's no point in
5474 doing it because it's done in Fx_show_tip, and it leads to
5475 problems because the tip frame has no widget. */
5476 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5477 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5480 /* X version sets font of input methods here also. */
5486 /***********************************************************************
5487 TODO: W32 Input Methods
5488 ***********************************************************************/
5489 /* Listing missing functions from xterm.c helps diff stay in step.
5491 xim_destroy_callback (xim, client_data, call_data)
5492 xim_open_dpy (dpyinfo, resource_name)
5494 xim_instantiate_callback (display, client_data, call_data)
5495 xim_initialize (dpyinfo, resource_name)
5496 xim_close_dpy (dpyinfo)
5501 /* Calculate the absolute position in frame F
5502 from its current recorded position values and gravity. */
5505 x_calc_absolute_position (struct frame
*f
)
5507 int flags
= f
->size_hint_flags
;
5509 /* The sum of the widths of the frame's left and right borders, and
5510 the sum of the heights of the frame's top and bottom borders (in
5511 pixels) drawn by Windows. */
5512 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5514 /* Try to get the actual values of these two variables. We compute
5515 the border width (height) by subtracting the width (height) of
5516 the frame's client area from the width (height) of the frame's
5518 WINDOWPLACEMENT wp
= { 0 };
5519 RECT client_rect
= { 0 };
5521 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5522 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5524 left_right_borders_width
=
5525 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5526 (client_rect
.right
- client_rect
.left
);
5528 top_bottom_borders_height
=
5529 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5530 (client_rect
.bottom
- client_rect
.top
);
5534 /* Use sensible default values. */
5535 left_right_borders_width
= 8;
5536 top_bottom_borders_height
= 32;
5539 /* Treat negative positions as relative to the rightmost bottommost
5540 position that fits on the screen. */
5541 if (flags
& XNegative
)
5542 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5543 - FRAME_PIXEL_WIDTH (f
)
5545 - (left_right_borders_width
- 1));
5547 if (flags
& YNegative
)
5548 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5549 - FRAME_PIXEL_HEIGHT (f
)
5551 - (top_bottom_borders_height
- 1));
5553 /* The left_pos and top_pos are now relative to the top and left
5554 screen edges, so the flags should correspond. */
5555 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5558 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5559 to really change the position, and 0 when calling from
5560 x_make_frame_visible (in that case, XOFF and YOFF are the current
5561 position values). It is -1 when calling from x_set_frame_parameters,
5562 which means, do adjust for borders but don't change the gravity. */
5565 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5568 int modified_top
, modified_left
;
5570 if (change_gravity
> 0)
5574 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5576 f
->size_hint_flags
|= XNegative
;
5578 f
->size_hint_flags
|= YNegative
;
5579 f
->win_gravity
= NorthWestGravity
;
5581 x_calc_absolute_position (f
);
5584 x_wm_set_size_hint (f
, (long) 0, 0);
5586 modified_left
= f
->left_pos
;
5587 modified_top
= f
->top_pos
;
5589 my_set_window_pos (FRAME_W32_WINDOW (f
),
5591 modified_left
, modified_top
,
5593 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5598 /* Check if we need to resize the frame due to a fullscreen request.
5599 If so needed, resize the frame. */
5601 x_check_fullscreen (struct frame
*f
)
5603 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5605 int width
, height
, ign
;
5607 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5609 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5611 /* We do not need to move the window, it shall be taken care of
5612 when setting WM manager hints. */
5613 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5615 change_frame_size (f
, height
, width
, 0, 1, 0);
5616 SET_FRAME_GARBAGED (f
);
5617 cancel_mouse_face (f
);
5619 /* Wait for the change of frame size to occur. */
5620 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5626 w32fullscreen_hook (struct frame
*f
)
5628 if (FRAME_VISIBLE_P (f
))
5630 HWND hwnd
= FRAME_W32_WINDOW(f
);
5631 DWORD dwStyle
= GetWindowLong (hwnd
, GWL_STYLE
);
5635 f
->want_fullscreen
&= ~FULLSCREEN_WAIT
;
5637 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_NONE
)
5638 GetWindowPlacement (hwnd
, &FRAME_NORMAL_PLACEMENT (f
));
5640 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_BOTH
)
5642 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
| WS_OVERLAPPEDWINDOW
);
5643 SetWindowPos (hwnd
, NULL
, 0, 0, 0, 0,
5644 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOZORDER
|
5645 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5648 w32_fullscreen_rect (hwnd
, f
->want_fullscreen
,
5649 FRAME_NORMAL_PLACEMENT (f
).rcNormalPosition
, &rect
);
5650 FRAME_PREV_FSMODE (f
) = f
->want_fullscreen
;
5651 if (f
->want_fullscreen
== FULLSCREEN_MAXIMIZED
)
5652 PostMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, 0xf030, 0);
5653 else if (f
->want_fullscreen
== FULLSCREEN_BOTH
)
5655 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
& ~WS_OVERLAPPEDWINDOW
);
5656 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5657 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
,
5658 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5662 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5663 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
, 0);
5666 f
->want_fullscreen
= FULLSCREEN_NONE
;
5670 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5673 /* Call this to change the size of frame F's x-window.
5674 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5675 for this size change and subsequent size changes.
5676 Otherwise we leave the window gravity unchanged. */
5679 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5681 int pixelwidth
, pixelheight
;
5685 check_frame_size (f
, &rows
, &cols
);
5686 f
->scroll_bar_actual_width
5687 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5689 compute_fringe_widths (f
, 0);
5691 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5692 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5694 f
->win_gravity
= NorthWestGravity
;
5695 x_wm_set_size_hint (f
, (long) 0, 0);
5700 rect
.left
= rect
.top
= 0;
5701 rect
.right
= pixelwidth
;
5702 rect
.bottom
= pixelheight
;
5704 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5705 FRAME_EXTERNAL_MENU_BAR (f
));
5707 my_set_window_pos (FRAME_W32_WINDOW (f
),
5710 rect
.right
- rect
.left
,
5711 rect
.bottom
- rect
.top
,
5712 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5716 /* The following mirrors what is done in xterm.c. It appears to be
5717 for informing lisp of the new size immediately, while the actual
5718 resize will happen asynchronously. But on Windows, the menu bar
5719 automatically wraps when the frame is too narrow to contain it,
5720 and that causes any calculations made here to come out wrong. The
5721 end is some nasty buggy behavior, including the potential loss
5724 Disabling this code is either not sufficient to fix the problems
5725 completely, or it causes fresh problems, but at least it removes
5726 the most problematic symptom of the minibuffer becoming unusable.
5728 -----------------------------------------------------------------
5730 Now, strictly speaking, we can't be sure that this is accurate,
5731 but the window manager will get around to dealing with the size
5732 change request eventually, and we'll hear how it went when the
5733 ConfigureNotify event gets here.
5735 We could just not bother storing any of this information here,
5736 and let the ConfigureNotify event set everything up, but that
5737 might be kind of confusing to the Lisp code, since size changes
5738 wouldn't be reported in the frame parameters until some random
5739 point in the future when the ConfigureNotify event arrives.
5741 We pass 1 for DELAY since we can't run Lisp code inside of
5743 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5744 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5745 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5747 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5748 receive in the ConfigureNotify event; if we get what we asked
5749 for, then the event won't cause the screen to become garbaged, so
5750 we have to make sure to do it here. */
5751 SET_FRAME_GARBAGED (f
);
5753 /* If cursor was outside the new size, mark it as off. */
5754 mark_window_cursors_off (XWINDOW (f
->root_window
));
5756 /* Clear out any recollection of where the mouse highlighting was,
5757 since it might be in a place that's outside the new frame size.
5758 Actually checking whether it is outside is a pain in the neck,
5759 so don't try--just let the highlighting be done afresh with new size. */
5760 cancel_mouse_face (f
);
5766 /* Mouse warping. */
5768 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5771 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5775 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5776 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5778 if (pix_x
< 0) pix_x
= 0;
5779 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5781 if (pix_y
< 0) pix_y
= 0;
5782 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5784 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5788 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5795 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5796 pt
.x
= rect
.left
+ pix_x
;
5797 pt
.y
= rect
.top
+ pix_y
;
5798 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5800 SetCursorPos (pt
.x
, pt
.y
);
5806 /* focus shifting, raising and lowering. */
5809 x_focus_on_frame (struct frame
*f
)
5811 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5813 /* Give input focus to frame. */
5816 /* Try not to change its Z-order if possible. */
5817 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5818 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5821 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5825 /* Raise frame F. */
5827 x_raise_frame (struct frame
*f
)
5831 /* Strictly speaking, raise-frame should only change the frame's Z
5832 order, leaving input focus unchanged. This is reasonable behavior
5833 on X where the usual policy is point-to-focus. However, this
5834 behavior would be very odd on Windows where the usual policy is
5837 On X, if the mouse happens to be over the raised frame, it gets
5838 input focus anyway (so the window with focus will never be
5839 completely obscured) - if not, then just moving the mouse over it
5840 is sufficient to give it focus. On Windows, the user must actually
5841 click on the frame (preferably the title bar so as not to move
5842 point), which is more awkward. Also, no other Windows program
5843 raises a window to the top but leaves another window (possibly now
5844 completely obscured) with input focus.
5846 Because there is a system setting on Windows that allows the user
5847 to choose the point to focus policy, we make the strict semantics
5848 optional, but by default we grab focus when raising. */
5850 if (NILP (Vw32_grab_focus_on_raise
))
5852 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5853 not already the foreground application: the frame is raised
5854 above all other frames belonging to us, but not above the
5855 current top window. To achieve that, we have to resort to this
5856 more cumbersome method. */
5858 HDWP handle
= BeginDeferWindowPos (2);
5861 handle
= DeferWindowPos (handle
,
5862 FRAME_W32_WINDOW (f
),
5865 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5868 handle
= DeferWindowPos (handle
,
5869 GetForegroundWindow (),
5870 FRAME_W32_WINDOW (f
),
5872 SWP_NOSIZE
| SWP_NOMOVE
|
5875 EndDeferWindowPos (handle
);
5881 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5887 /* Lower frame F. */
5889 x_lower_frame (struct frame
*f
)
5892 my_set_window_pos (FRAME_W32_WINDOW (f
),
5895 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5900 w32_frame_raise_lower (struct frame
*f
, int raise_flag
)
5902 if (! FRAME_W32_P (f
))
5911 /* Change of visibility. */
5913 /* This tries to wait until the frame is really visible.
5914 However, if the window manager asks the user where to position
5915 the frame, this will return before the user finishes doing that.
5916 The frame will not actually be visible at that time,
5917 but it will become visible later when the window manager
5918 finishes with it. */
5921 x_make_frame_visible (struct frame
*f
)
5927 type
= x_icon_type (f
);
5929 x_bitmap_icon (f
, type
);
5931 if (! FRAME_VISIBLE_P (f
))
5933 /* We test FRAME_GARBAGED_P here to make sure we don't
5934 call x_set_offset a second time
5935 if we get to x_make_frame_visible a second time
5936 before the window gets really visible. */
5937 if (! FRAME_ICONIFIED_P (f
)
5938 && ! f
->output_data
.w32
->asked_for_visible
)
5943 /* Adjust vertical window position in order to avoid being
5944 covered by a task bar placed at the bottom of the desktop. */
5945 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5946 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5947 if (window_rect
.bottom
> workarea_rect
.bottom
5948 && window_rect
.top
> workarea_rect
.top
)
5949 f
->top_pos
= max (window_rect
.top
5950 - window_rect
.bottom
+ workarea_rect
.bottom
,
5953 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5956 f
->output_data
.w32
->asked_for_visible
= 1;
5958 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5959 causes unexpected behavior when unminimizing frames that were
5960 previously maximized. But only SW_SHOWNORMAL works properly for
5961 frames that were truely hidden (using make-frame-invisible), so
5962 we need it to avoid Bug#5482. It seems that iconified is only
5963 set for minimized windows that are still visible, so use that to
5964 determine the appropriate flag to pass ShowWindow. */
5965 my_show_window (f
, FRAME_W32_WINDOW (f
),
5966 FRAME_ICONIFIED_P (f
) ? SW_RESTORE
: SW_SHOWNORMAL
);
5969 /* Synchronize to ensure Emacs knows the frame is visible
5970 before we do anything else. We do this loop with input not blocked
5971 so that incoming events are handled. */
5976 /* This must come after we set COUNT. */
5979 XSETFRAME (frame
, f
);
5981 /* Wait until the frame is visible. Process X events until a
5982 MapNotify event has been seen, or until we think we won't get a
5983 MapNotify at all.. */
5984 for (count
= input_signal_count
+ 10;
5985 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5987 /* Force processing of queued events. */
5988 /* TODO: x_sync equivalent? */
5990 /* Machines that do polling rather than SIGIO have been observed
5991 to go into a busy-wait here. So we'll fake an alarm signal
5992 to let the handler know that there's something to be read.
5993 We used to raise a real alarm, but it seems that the handler
5994 isn't always enabled here. This is probably a bug. */
5995 if (input_polling_used ())
5997 /* It could be confusing if a real alarm arrives while processing
5998 the fake one. Turn it off and let the handler reset it. */
5999 int old_poll_suppress_count
= poll_suppress_count
;
6000 poll_suppress_count
= 1;
6001 poll_for_input_1 ();
6002 poll_suppress_count
= old_poll_suppress_count
;
6008 /* Change from mapped state to withdrawn state. */
6010 /* Make the frame visible (mapped and not iconified). */
6013 x_make_frame_invisible (struct frame
*f
)
6015 /* Don't keep the highlight on an invisible frame. */
6016 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6017 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6021 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
6023 /* We can't distinguish this from iconification
6024 just by the event that we get from the server.
6025 So we can't win using the usual strategy of letting
6026 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
6027 and synchronize with the server to make sure we agree. */
6028 SET_FRAME_VISIBLE (f
, 0);
6029 SET_FRAME_ICONIFIED (f
, 0);
6034 /* Change window state from mapped to iconified. */
6037 x_iconify_frame (struct frame
*f
)
6041 /* Don't keep the highlight on an invisible frame. */
6042 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6043 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6045 if (FRAME_ICONIFIED_P (f
))
6050 type
= x_icon_type (f
);
6052 x_bitmap_icon (f
, type
);
6054 /* Simulate the user minimizing the frame. */
6055 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6057 SET_FRAME_VISIBLE (f
, 0);
6058 SET_FRAME_ICONIFIED (f
, 1);
6064 /* Free X resources of frame F. */
6067 x_free_frame_resources (struct frame
*f
)
6069 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6070 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
6074 /* We must free faces before destroying windows because some
6075 font-driver (e.g. xft) access a window while finishing a
6077 if (FRAME_FACE_CACHE (f
))
6078 free_frame_faces (f
);
6080 if (FRAME_W32_WINDOW (f
))
6081 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6083 free_frame_menubar (f
);
6085 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6086 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6087 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6088 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6089 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6090 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6091 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6092 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6093 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6094 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6096 if (FRAME_FACE_CACHE (f
))
6097 free_frame_faces (f
);
6099 xfree (f
->output_data
.w32
);
6100 f
->output_data
.w32
= NULL
;
6102 if (f
== dpyinfo
->w32_focus_frame
)
6103 dpyinfo
->w32_focus_frame
= 0;
6104 if (f
== dpyinfo
->w32_focus_event_frame
)
6105 dpyinfo
->w32_focus_event_frame
= 0;
6106 if (f
== dpyinfo
->x_highlight_frame
)
6107 dpyinfo
->x_highlight_frame
= 0;
6108 if (f
== hlinfo
->mouse_face_mouse_frame
)
6109 reset_mouse_highlight (hlinfo
);
6115 /* Destroy the window of frame F. */
6117 x_destroy_window (struct frame
*f
)
6119 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6121 x_free_frame_resources (f
);
6122 dpyinfo
->reference_count
--;
6126 /* Setting window manager hints. */
6128 /* Set the normal size hints for the window manager, for frame F.
6129 FLAGS is the flags word to use--or 0 meaning preserve the flags
6130 that the window now has.
6131 If USER_POSITION, set the USPosition
6132 flag (this is useful when FLAGS is 0). */
6134 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6136 Window window
= FRAME_W32_WINDOW (f
);
6140 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6141 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6142 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6143 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6148 /***********************************************************************
6150 ***********************************************************************/
6154 /* Check that FONT is valid on frame F. It is if it can be found in F's
6158 x_check_font (struct frame
*f
, struct font
*font
)
6160 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6161 if (font
->driver
->check
)
6162 eassert (font
->driver
->check (f
, font
) == 0);
6165 #endif /* GLYPH_DEBUG */
6169 /***********************************************************************
6171 ***********************************************************************/
6173 static int w32_initialized
= 0;
6176 w32_initialize_display_info (Lisp_Object display_name
)
6178 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6180 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6182 /* Put it on w32_display_name_list. */
6183 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6184 w32_display_name_list
);
6185 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6187 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6188 + SCHARS (Vsystem_name
) + 2);
6189 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6190 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6192 /* Default Console mode values - overridden when running in GUI mode
6193 with values obtained from system metrics. */
6196 dpyinfo
->n_planes
= 1;
6197 dpyinfo
->n_cbits
= 4;
6198 dpyinfo
->n_fonts
= 0;
6199 dpyinfo
->smallest_font_height
= 1;
6200 dpyinfo
->smallest_char_width
= 1;
6201 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6202 /* TODO: dpyinfo->gray */
6204 reset_mouse_highlight (&dpyinfo
->mouse_highlight
);
6207 /* Create an xrdb-style database of resources to supersede registry settings.
6208 The database is just a concatenation of C strings, finished by an additional
6209 \0. The strings are submitted to some basic normalization, so
6211 [ *]option[ *]:[ *]value...
6217 but any whitespace following value is not removed. */
6220 w32_make_rdb (char *xrm_option
)
6222 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6223 char *current
= buffer
;
6226 int before_value
= 0;
6240 if (in_option
&& (ch
== ':'))
6245 else if (before_value
)
6250 else if (!(in_option
|| before_value
))
6262 x_flush (struct frame
* f
)
6263 { /* Nothing to do */ }
6266 extern frame_parm_handler w32_frame_parm_handlers
[];
6268 static struct redisplay_interface w32_redisplay_interface
=
6270 w32_frame_parm_handlers
,
6274 x_clear_end_of_line
,
6276 x_after_update_window_line
,
6277 x_update_window_begin
,
6278 x_update_window_end
,
6280 0, /* flush_display_optional */
6281 x_clear_window_mouse_face
,
6282 x_get_glyph_overhangs
,
6283 x_fix_overlapping_area
,
6284 w32_draw_fringe_bitmap
,
6285 w32_define_fringe_bitmap
,
6286 w32_destroy_fringe_bitmap
,
6287 w32_compute_glyph_string_overhangs
,
6288 x_draw_glyph_string
,
6289 w32_define_frame_cursor
,
6290 w32_clear_frame_area
,
6291 w32_draw_window_cursor
,
6292 w32_draw_vertical_window_border
,
6293 w32_shift_glyphs_for_insert
6296 static void x_delete_terminal (struct terminal
*term
);
6298 static struct terminal
*
6299 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6301 struct terminal
*terminal
;
6303 terminal
= create_terminal ();
6305 terminal
->type
= output_w32
;
6306 terminal
->display_info
.w32
= dpyinfo
;
6307 dpyinfo
->terminal
= terminal
;
6309 /* MSVC does not type K&R functions with no arguments correctly, and
6310 so we must explicitly cast them. */
6311 terminal
->clear_frame_hook
= x_clear_frame
;
6312 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6313 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6314 terminal
->ring_bell_hook
= w32_ring_bell
;
6315 terminal
->reset_terminal_modes_hook
= NULL
;
6316 terminal
->set_terminal_modes_hook
= NULL
;
6317 terminal
->update_begin_hook
= x_update_begin
;
6318 terminal
->update_end_hook
= x_update_end
;
6319 terminal
->set_terminal_window_hook
= NULL
;
6320 terminal
->read_socket_hook
= w32_read_socket
;
6321 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6322 terminal
->mouse_position_hook
= w32_mouse_position
;
6323 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6324 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6325 terminal
->fullscreen_hook
= w32fullscreen_hook
;
6326 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6327 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6328 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6329 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6331 terminal
->delete_frame_hook
= x_destroy_window
;
6332 terminal
->delete_terminal_hook
= x_delete_terminal
;
6334 terminal
->rif
= &w32_redisplay_interface
;
6335 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6336 terminal
->char_ins_del_ok
= 1;
6337 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6338 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6339 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6342 /* We don't yet support separate terminals on W32, so don't try to share
6343 keyboards between virtual terminals that are on the same physical
6344 terminal like X does. */
6345 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6346 init_kboard (terminal
->kboard
);
6347 kset_window_system (terminal
->kboard
, intern ("w32"));
6348 terminal
->kboard
->next_kboard
= all_kboards
;
6349 all_kboards
= terminal
->kboard
;
6350 /* Don't let the initial kboard remain current longer than necessary.
6351 That would cause problems if a file loaded on startup tries to
6352 prompt in the mini-buffer. */
6353 if (current_kboard
== initial_kboard
)
6354 current_kboard
= terminal
->kboard
;
6355 terminal
->kboard
->reference_count
++;
6361 x_delete_terminal (struct terminal
*terminal
)
6363 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6365 /* Protect against recursive calls. delete_frame in
6366 delete_terminal calls us back when it deletes our last frame. */
6367 if (!terminal
->name
)
6372 x_delete_display (dpyinfo
);
6376 struct w32_display_info
*
6377 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6379 struct w32_display_info
*dpyinfo
;
6380 struct terminal
*terminal
;
6385 if (!w32_initialized
)
6388 w32_initialized
= 1;
6391 w32_initialize_display_info (display_name
);
6393 dpyinfo
= &one_w32_display_info
;
6394 terminal
= w32_create_terminal (dpyinfo
);
6396 /* Set the name of the terminal. */
6397 terminal
->name
= xlispstrdup (display_name
);
6399 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6401 /* Put this display on the chain. */
6402 dpyinfo
->next
= x_display_list
;
6403 x_display_list
= dpyinfo
;
6407 dpyinfo
->root_window
= GetDesktopWindow ();
6408 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6409 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6410 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6411 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6412 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6413 ReleaseDC (NULL
, hdc
);
6415 /* initialize palette with white and black */
6418 w32_defined_color (0, "white", &color
, 1);
6419 w32_defined_color (0, "black", &color
, 1);
6423 /* Add the default keyboard. When !WINDOWSNT, we're using the
6424 standard Emacs console handling machinery and don't need an
6425 explicit FD here. */
6426 add_keyboard_wait_descriptor (0);
6428 /* /dev/windows wakes us up when we have a thread message pending. */
6429 add_keyboard_wait_descriptor (w32_message_fd
);
6432 /* Create Fringe Bitmaps and store them for later use.
6434 On W32, bitmaps are all unsigned short, as Windows requires
6435 bitmap data to be Word aligned. For some reason they are
6436 horizontally reflected compared to how they appear on X, so we
6437 need to bitswap and convert to unsigned shorts before creating
6439 w32_init_fringe (terminal
->rif
);
6446 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6448 x_delete_display (struct w32_display_info
*dpyinfo
)
6450 /* Discard this display from w32_display_name_list and w32_display_list.
6451 We can't use Fdelq because that can quit. */
6452 if (! NILP (w32_display_name_list
)
6453 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6454 w32_display_name_list
= XCDR (w32_display_name_list
);
6459 tail
= w32_display_name_list
;
6460 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6462 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6464 XSETCDR (tail
, XCDR (XCDR (tail
)));
6471 /* free palette table */
6473 struct w32_palette_entry
* plist
;
6475 plist
= dpyinfo
->color_list
;
6478 struct w32_palette_entry
* pentry
= plist
;
6479 plist
= plist
->next
;
6482 dpyinfo
->color_list
= NULL
;
6483 if (dpyinfo
->palette
)
6484 DeleteObject (dpyinfo
->palette
);
6486 xfree (dpyinfo
->w32_id_name
);
6488 w32_reset_fringes ();
6492 /* Set up use of W32. */
6494 DWORD WINAPI
w32_msg_worker (void * arg
);
6497 w32_initialize (void)
6500 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6504 w32_system_caret_hwnd
= NULL
;
6505 w32_system_caret_height
= 0;
6506 w32_system_caret_x
= 0;
6507 w32_system_caret_y
= 0;
6509 /* On Windows 7 and later, we need to set the user model ID
6510 to associate emacsclient launched files with Emacs frames
6512 shell
= GetModuleHandle ("shell32.dll");
6516 = (void *) GetProcAddress (shell
,
6517 "SetCurrentProcessExplicitAppUserModelID");
6519 /* If the function is defined, then we are running on Windows 7
6520 or newer, and the UI uses this to group related windows
6521 together. Since emacs, runemacs, emacsclient are related, we
6522 want them grouped even though the executables are different,
6523 so we need to set a consistent ID between them. */
6525 set_user_model (L
"GNU.Emacs");
6529 if ((w32_message_fd
= emacs_open ("/dev/windows", O_RDWR
, 0)) == -1)
6530 fatal ("opening /dev/windows: %s", strerror (errno
));
6533 /* Initialize w32_use_visible_system_caret based on whether a screen
6534 reader is in use. */
6535 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6536 &w32_use_visible_system_caret
, 0))
6537 w32_use_visible_system_caret
= 0;
6539 last_tool_bar_item
= -1;
6540 any_help_event_p
= 0;
6542 /* Initialize input mode: interrupt_input off, no flow control, allow
6543 8 bit character input, standard quit char. */
6544 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6547 DWORD input_locale_id
= ((DWORD_PTR
) GetKeyboardLayout (0) & 0xffffffff);
6548 w32_keyboard_codepage
=
6549 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6552 /* Create the window thread - it will terminate itself when the app
6556 dwMainThreadId
= GetCurrentThreadId ();
6557 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6558 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6560 /* Wait for thread to start */
6564 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6566 hWindowsThread
= CreateThread (NULL
, 0,
6568 0, 0, &dwWindowsThreadId
);
6570 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6573 /* It is desirable that mainThread should have the same notion of
6574 focus window and active window as windowsThread. Unfortunately, the
6575 following call to AttachThreadInput, which should do precisely what
6576 we need, causes major problems when Emacs is linked as a console
6577 program. Unfortunately, we have good reasons for doing that, so
6578 instead we need to send messages to windowsThread to make some API
6579 calls for us (ones that affect, or depend on, the active/focus
6581 #ifdef ATTACH_THREADS
6582 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6585 /* Dynamically link to optional system components. */
6587 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6589 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6591 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6595 /* Ensure scrollbar handle is at least 5 pixels. */
6596 vertical_scroll_bar_min_handle
= 5;
6598 /* For either kind of scroll bar, take account of the arrows; these
6599 effectively form the border of the main scroll bar range. */
6600 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6601 = GetSystemMetrics (SM_CYVSCROLL
);
6606 syms_of_w32term (void)
6608 staticpro (&w32_display_name_list
);
6609 w32_display_name_list
= Qnil
;
6611 staticpro (&last_mouse_scroll_bar
);
6612 last_mouse_scroll_bar
= Qnil
;
6614 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6616 DEFSYM (Qadded
, "added");
6617 DEFSYM (Qremoved
, "removed");
6618 DEFSYM (Qmodified
, "modified");
6619 DEFSYM (Qrenamed_from
, "renamed-from");
6620 DEFSYM (Qrenamed_to
, "renamed-to");
6622 DEFVAR_INT ("w32-num-mouse-buttons",
6623 w32_num_mouse_buttons
,
6624 doc
: /* Number of physical mouse buttons. */);
6625 w32_num_mouse_buttons
= 2;
6627 DEFVAR_LISP ("w32-swap-mouse-buttons",
6628 Vw32_swap_mouse_buttons
,
6629 doc
: /* Swap the mapping of middle and right mouse buttons.
6630 When nil, middle button is mouse-2 and right button is mouse-3. */);
6631 Vw32_swap_mouse_buttons
= Qnil
;
6633 DEFVAR_LISP ("w32-grab-focus-on-raise",
6634 Vw32_grab_focus_on_raise
,
6635 doc
: /* Raised frame grabs input focus.
6636 When t, `raise-frame' grabs input focus as well. This fits well
6637 with the normal Windows click-to-focus policy, but might not be
6638 desirable when using a point-to-focus policy. */);
6639 Vw32_grab_focus_on_raise
= Qt
;
6641 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6642 Vw32_capslock_is_shiftlock
,
6643 doc
: /* Apply CapsLock state to non character input keys.
6644 When nil, CapsLock only affects normal character input keys. */);
6645 Vw32_capslock_is_shiftlock
= Qnil
;
6647 DEFVAR_LISP ("w32-recognize-altgr",
6648 Vw32_recognize_altgr
,
6649 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6650 When nil, the right-alt and left-ctrl key combination is
6651 interpreted normally. */);
6652 Vw32_recognize_altgr
= Qt
;
6654 DEFVAR_BOOL ("w32-use-visible-system-caret",
6655 w32_use_visible_system_caret
,
6656 doc
: /* Flag to make the system caret visible.
6657 When this is non-nil, Emacs will indicate the position of point by
6658 using the system caret instead of drawing its own cursor. Some screen
6659 reader software does not track the system cursor properly when it is
6660 invisible, and gets confused by Emacs drawing its own cursor, so this
6661 variable is initialized to t when Emacs detects that screen reader
6662 software is running as it starts up.
6664 When this variable is set, other variables affecting the appearance of
6665 the cursor have no effect. */);
6667 w32_use_visible_system_caret
= 0;
6669 /* We don't yet support this, but defining this here avoids whining
6670 from cus-start.el and other places, like "M-x set-variable". */
6671 DEFVAR_BOOL ("x-use-underline-position-properties",
6672 x_use_underline_position_properties
,
6673 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6674 A value of nil means ignore them. If you encounter fonts with bogus
6675 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6676 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6677 to override the font's UNDERLINE_POSITION for small font display
6679 x_use_underline_position_properties
= 0;
6681 DEFVAR_BOOL ("x-underline-at-descent-line",
6682 x_underline_at_descent_line
,
6683 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6684 A value of nil means to draw the underline according to the value of the
6685 variable `x-use-underline-position-properties', which is usually at the
6686 baseline level. The default value is nil. */);
6687 x_underline_at_descent_line
= 0;
6689 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6690 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6691 A value of nil means Emacs doesn't use toolkit scroll bars.
6692 With the X Window system, the value is a symbol describing the
6693 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6694 With MS Windows or Nextstep, the value is t. */);
6695 Vx_toolkit_scroll_bars
= Qt
;
6697 staticpro (&last_mouse_motion_frame
);
6698 last_mouse_motion_frame
= Qnil
;
6700 Fprovide (intern_c_string ("w32"), Qnil
);