1 /* Implementation of GUI terminal on the Microsoft W32 API.
3 Copyright (C) 1989, 1993-2011
4 Free Software Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 GNU Emacs is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
26 #include "blockinput.h"
38 #include "character.h"
42 #include "dispextern.h"
44 #include "termhooks.h"
51 #include "intervals.h"
64 static int max_fringe_bmp
= 0;
65 static HBITMAP
*fringe_bmp
= 0;
67 /* Temporary variables for w32_read_socket. */
69 static int last_mousemove_x
= 0;
70 static int last_mousemove_y
= 0;
72 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
73 #ifndef GET_WHEEL_DELTA_WPARAM
74 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
77 /* Non-zero means that a HELP_EVENT has been generated since Emacs
80 static int any_help_event_p
;
82 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
83 static Lisp_Object last_window
;
85 extern unsigned int msh_mousewheel
;
87 extern void free_frame_menubar (struct frame
*);
89 extern int w32_codepage_for_font (char *fontname
);
90 extern Cursor
w32_load_cursor (LPCTSTR name
);
92 extern Lisp_Object Vwindow_system
;
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
;
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. */
113 typedef struct tagWCRANGE
119 typedef struct tagGLYPHSET
123 DWORD cGlyphsSupported
;
130 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
131 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
134 #define LWA_ALPHA 0x02
136 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
137 later targets by MSVC headers. */
138 #ifndef WS_EX_LAYERED
139 #define WS_EX_LAYERED 0x80000
142 /* Frame being updated by update_frame. This is declared in term.c.
143 This is set by update_begin and looked at by all the
144 w32 functions. It is zero while not inside an update.
145 In that case, the w32 functions assume that `SELECTED_FRAME ()'
146 is the frame to apply to. */
147 extern struct frame
*updating_frame
;
149 /* This is a frame waiting to be autoraised, within w32_read_socket. */
150 struct frame
*pending_autoraise_frame
;
152 /* The handle of the frame that currently owns the system caret. */
153 HWND w32_system_caret_hwnd
;
154 int w32_system_caret_height
;
155 int w32_system_caret_x
;
156 int w32_system_caret_y
;
157 DWORD dwWindowsThreadId
= 0;
158 HANDLE hWindowsThread
= NULL
;
159 DWORD dwMainThreadId
= 0;
160 HANDLE hMainThread
= NULL
;
162 int vertical_scroll_bar_min_handle
;
163 int vertical_scroll_bar_top_border
;
164 int vertical_scroll_bar_bottom_border
;
166 int last_scroll_bar_drag_pos
;
168 /* Mouse movement. */
170 /* Where the mouse was last time we reported a mouse event. */
171 static RECT last_mouse_glyph
;
172 static FRAME_PTR last_mouse_glyph_frame
;
173 static Lisp_Object last_mouse_press_frame
;
175 /* The scroll bar in which the last motion event occurred.
177 If the last motion event occurred in a scroll bar, we set this
178 so w32_mouse_position can know whether to report a scroll bar motion or
181 If the last motion event didn't occur in a scroll bar, we set this
182 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
183 static Lisp_Object last_mouse_scroll_bar
;
184 static int last_mouse_scroll_bar_pos
;
186 /* This is a hack. We would really prefer that w32_mouse_position would
187 return the time associated with the position it returns, but there
188 doesn't seem to be any way to wrest the time-stamp from the server
189 along with the position query. So, we just keep track of the time
190 of the last movement we received, and return that in hopes that
191 it's somewhat accurate. */
192 static Time last_mouse_movement_time
;
194 /* Incremented by w32_read_socket whenever it really tries to read
197 static int volatile input_signal_count
;
199 static int input_signal_count
;
202 /* Keyboard code page - may be changed by language-change events. */
203 static int keyboard_codepage
;
205 static void x_update_window_end (struct window
*, int, int);
206 static void w32_handle_tool_bar_click (struct frame
*,
207 struct input_event
*);
208 static void w32_define_cursor (Window
, Cursor
);
210 void x_lower_frame (struct frame
*);
211 void x_scroll_bar_clear (struct frame
*);
212 void x_wm_set_size_hint (struct frame
*, long, int);
213 void x_raise_frame (struct frame
*);
214 void x_set_window_size (struct frame
*, int, int, int);
215 void x_wm_set_window_state (struct frame
*, int);
216 void x_wm_set_icon_pixmap (struct frame
*, int);
217 static void w32_initialize (void);
218 static void x_update_end (struct frame
*);
219 static void w32_frame_up_to_date (struct frame
*);
220 static void w32_set_terminal_modes (struct terminal
*);
221 static void w32_reset_terminal_modes (struct terminal
*);
222 static void x_clear_frame (struct frame
*);
223 static void frame_highlight (struct frame
*);
224 static void frame_unhighlight (struct frame
*);
225 static void x_new_focus_frame (struct w32_display_info
*,
227 static void x_focus_changed (int, int, struct w32_display_info
*,
228 struct frame
*, struct input_event
*);
229 static void w32_detect_focus_change (struct w32_display_info
*,
230 W32Msg
*, struct input_event
*);
231 static void w32_frame_rehighlight (struct frame
*);
232 static void x_frame_rehighlight (struct w32_display_info
*);
233 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
234 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
235 enum text_cursor_kinds
);
236 static void w32_clip_to_row (struct window
*, struct glyph_row
*, int, HDC
);
237 static BOOL
my_show_window (struct frame
*, HWND
, int);
238 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
240 static void my_set_focus (struct frame
*, HWND
);
242 static void my_set_foreground_window (HWND
);
243 static void my_destroy_window (struct frame
*, HWND
);
245 static Lisp_Object Qvendor_specific_keysyms
;
248 /***********************************************************************
250 ***********************************************************************/
254 /* This is a function useful for recording debugging information about
255 the sequence of occurrences in this file. */
263 struct record event_record
[100];
265 int event_record_index
;
267 record_event (char *locus
, int type
)
269 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
270 event_record_index
= 0;
272 event_record
[event_record_index
].locus
= locus
;
273 event_record
[event_record_index
].type
= type
;
274 event_record_index
++;
281 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
284 if (mask
& GCForeground
)
285 gc
->foreground
= xgcv
->foreground
;
286 if (mask
& GCBackground
)
287 gc
->background
= xgcv
->background
;
289 gc
->font
= xgcv
->font
;
293 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
295 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
296 memset (gc
, 0, sizeof (XGCValues
));
298 XChangeGC (ignore
, gc
, mask
, xgcv
);
304 XGetGCValues (void *ignore
, XGCValues
*gc
,
305 unsigned long mask
, XGCValues
*xgcv
)
307 XChangeGC (ignore
, xgcv
, mask
, gc
);
311 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
315 HRGN clip_region
= CreateRectRgnIndirect (rect
);
316 SelectClipRgn (hdc
, clip_region
);
317 DeleteObject (clip_region
);
320 SelectClipRgn (hdc
, NULL
);
324 /* Draw a hollow rectangle at the specified position. */
326 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
327 int width
, int height
)
332 hb
= CreateSolidBrush (gc
->background
);
333 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
334 oldhb
= SelectObject (hdc
, hb
);
335 oldhp
= SelectObject (hdc
, hp
);
337 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
339 SelectObject (hdc
, oldhb
);
340 SelectObject (hdc
, oldhp
);
345 /* Draw a filled rectangle at the specified position. */
347 w32_fill_rect (FRAME_PTR f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
351 hb
= CreateSolidBrush (pix
);
352 FillRect (hdc
, lprect
, hb
);
357 w32_clear_window (FRAME_PTR f
)
360 HDC hdc
= get_frame_dc (f
);
362 /* Under certain conditions, this can be called at startup with
363 a console frame pointer before the GUI frame is created. An HDC
364 of 0 indicates this. */
367 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
368 w32_clear_rect (f
, hdc
, &rect
);
371 release_frame_dc (f
, hdc
);
374 #define OPAQUE_FRAME 255
377 x_set_frame_alpha (struct frame
*f
)
379 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
381 double alpha_min
= 1.0;
384 HWND window
= FRAME_W32_WINDOW (f
);
386 /* Older versions of Windows do not support transparency. */
387 if (!pfnSetLayeredWindowAttributes
)
390 if (dpyinfo
->x_highlight_frame
== f
)
395 if (FLOATP (Vframe_alpha_lower_limit
))
396 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
397 else if (INTEGERP (Vframe_alpha_lower_limit
))
398 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
402 else if (alpha
> 1.0)
404 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
407 opac
= alpha
* OPAQUE_FRAME
;
409 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
411 if (opac
== OPAQUE_FRAME
)
412 ex_style
&= ~WS_EX_LAYERED
;
414 ex_style
|= WS_EX_LAYERED
;
416 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
418 if (opac
!= OPAQUE_FRAME
)
419 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
423 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
425 HDC dc
= GetDC (NULL
);
426 int pixels
= GetDeviceCaps (dc
, VERTRES
);
427 ReleaseDC (NULL
, dc
);
432 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
434 HDC dc
= GetDC (NULL
);
435 int pixels
= GetDeviceCaps (dc
, HORZRES
);
436 ReleaseDC (NULL
, dc
);
441 /***********************************************************************
442 Starting and ending an update
443 ***********************************************************************/
445 /* Start an update of frame F. This function is installed as a hook
446 for update_begin, i.e. it is called when update_begin is called.
447 This function is called prior to calls to x_update_window_begin for
448 each window being updated. */
451 x_update_begin (struct frame
*f
)
453 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
455 if (! FRAME_W32_P (f
))
458 /* Regenerate display palette before drawing if list of requested
459 colors has changed. */
460 if (display_info
->regen_palette
)
462 w32_regenerate_palette (f
);
463 display_info
->regen_palette
= FALSE
;
468 /* Start update of window W. Set the global variable updated_window
469 to the window being updated and set output_cursor to the cursor
473 x_update_window_begin (struct window
*w
)
475 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
476 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
478 /* Hide the system caret during an update. */
479 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
481 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
485 set_output_cursor (&w
->cursor
);
489 if (f
== hlinfo
->mouse_face_mouse_frame
)
491 /* Don't do highlighting for mouse motion during the update. */
492 hlinfo
->mouse_face_defer
= 1;
494 /* If F needs to be redrawn, simply forget about any prior mouse
496 if (FRAME_GARBAGED_P (f
))
497 hlinfo
->mouse_face_window
= Qnil
;
499 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
500 their mouse_face_p flag set, which means that they are always
501 unequal to rows in a desired matrix which never have that
502 flag set. So, rows containing mouse-face glyphs are never
503 scrolled, and we don't have to switch the mouse highlight off
504 here to prevent it from being scrolled. */
506 /* Can we tell that this update does not affect the window
507 where the mouse highlight is? If so, no need to turn off.
508 Likewise, don't do anything if the frame is garbaged;
509 in that case, the frame's current matrix that we would use
510 is all wrong, and we will redisplay that line anyway. */
511 if (!NILP (hlinfo
->mouse_face_window
)
512 && w
== XWINDOW (hlinfo
->mouse_face_window
))
516 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
517 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
520 if (i
< w
->desired_matrix
->nrows
)
521 clear_mouse_face (hlinfo
);
529 /* Draw a vertical window border from (x,y0) to (x,y1) */
532 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
534 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
544 hdc
= get_frame_dc (f
);
545 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
547 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
549 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
551 release_frame_dc (f
, hdc
);
555 /* End update of window W (which is equal to updated_window).
557 Draw vertical borders between horizontally adjacent windows, and
558 display W's cursor if CURSOR_ON_P is non-zero.
560 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
561 glyphs in mouse-face were overwritten. In that case we have to
562 make sure that the mouse-highlight is properly redrawn.
564 W may be a menu bar pseudo-window in case we don't have X toolkit
565 support. Such windows don't have a cursor, so don't display it
569 x_update_window_end (struct window
*w
, int cursor_on_p
,
570 int mouse_face_overwritten_p
)
572 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (XFRAME (w
->frame
));
574 if (!w
->pseudo_window_p
)
579 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
581 output_cursor
.x
, output_cursor
.y
);
583 if (draw_window_fringes (w
, 1))
584 x_draw_vertical_border (w
);
589 /* If a row with mouse-face was overwritten, arrange for
590 XTframe_up_to_date to redisplay the mouse highlight. */
591 if (mouse_face_overwritten_p
)
593 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
594 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
595 hlinfo
->mouse_face_window
= Qnil
;
598 /* Unhide the caret. This won't actually show the cursor, unless it
599 was visible before the corresponding call to HideCaret in
600 x_update_window_begin. */
601 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
603 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
606 updated_window
= NULL
;
610 /* End update of frame F. This function is installed as a hook in
614 x_update_end (struct frame
*f
)
616 if (! FRAME_W32_P (f
))
619 /* Mouse highlight may be displayed again. */
620 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
624 /* This function is called from various places in xdisp.c whenever a
625 complete update has been performed. The global variable
626 updated_window is not available here. */
629 w32_frame_up_to_date (struct frame
*f
)
633 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
635 if (hlinfo
->mouse_face_deferred_gc
636 || f
== hlinfo
->mouse_face_mouse_frame
)
639 if (hlinfo
->mouse_face_mouse_frame
)
640 note_mouse_highlight (hlinfo
->mouse_face_mouse_frame
,
641 hlinfo
->mouse_face_mouse_x
,
642 hlinfo
->mouse_face_mouse_y
);
643 hlinfo
->mouse_face_deferred_gc
= 0;
650 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
651 arrow bitmaps, or clear the fringes if no bitmaps are required
652 before DESIRED_ROW is made current. The window being updated is
653 found in updated_window. This function is called from
654 update_window_line only if it is known that there are differences
655 between bitmaps to be drawn between current row and DESIRED_ROW. */
658 x_after_update_window_line (struct glyph_row
*desired_row
)
660 struct window
*w
= updated_window
;
666 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
667 desired_row
->redraw_fringe_bitmaps_p
= 1;
669 /* When a window has disappeared, make sure that no rest of
670 full-width rows stays visible in the internal border. Could
671 check here if updated_window is the leftmost/rightmost window,
672 but I guess it's not worth doing since vertically split windows
673 are almost never used, internal border is rarely set, and the
674 overhead is very small. */
675 if (windows_or_buffers_changed
676 && desired_row
->full_width_p
677 && (f
= XFRAME (w
->frame
),
678 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
680 && (height
= desired_row
->visible_height
,
683 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
687 HDC hdc
= get_frame_dc (f
);
688 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
689 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
691 release_frame_dc (f
, hdc
);
698 /* Draw the bitmap WHICH in one of the left or right fringes of
699 window W. ROW is the glyph row for which to display the bitmap; it
700 determines the vertical position at which the bitmap has to be
704 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
705 struct draw_fringe_bitmap_params
*p
)
707 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
709 struct face
*face
= p
->face
;
711 hdc
= get_frame_dc (f
);
715 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
717 /* If the fringe is adjacent to the left (right) scroll bar of a
718 leftmost (rightmost, respectively) window, then extend its
719 background to the gap between the fringe and the bar. */
720 if ((WINDOW_LEFTMOST_P (w
)
721 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
722 || (WINDOW_RIGHTMOST_P (w
)
723 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
725 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
729 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
730 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
731 * FRAME_COLUMN_WIDTH (f
));
735 /* Bitmap fills the fringe. */
736 if (left
+ width
== p
->x
)
737 bx
= left
+ sb_width
;
738 else if (p
->x
+ p
->wd
== left
)
742 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
744 nx
= width
- sb_width
;
745 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
747 ny
= row
->visible_height
;
752 if (left
+ width
== bx
)
754 bx
= left
+ sb_width
;
755 nx
+= width
- sb_width
;
757 else if (bx
+ nx
== left
)
758 nx
+= width
- sb_width
;
763 if (bx
>= 0 && nx
> 0)
764 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
767 /* Must clip because of partially visible lines. */
768 w32_clip_to_row (w
, row
, -1, hdc
);
770 if (p
->which
&& p
->which
< max_fringe_bmp
)
772 HBITMAP pixmap
= fringe_bmp
[p
->which
];
776 compat_hdc
= CreateCompatibleDC (hdc
);
780 horig_obj
= SelectObject (compat_hdc
, pixmap
);
782 /* Paint overlays transparently. */
785 HBRUSH h_brush
, h_orig_brush
;
787 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
788 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
789 h_brush
= CreateSolidBrush (face
->foreground
);
790 h_orig_brush
= SelectObject (hdc
, h_brush
);
792 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
793 compat_hdc
, 0, p
->dh
,
795 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
796 compat_hdc
, 0, p
->dh
,
798 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
799 compat_hdc
, 0, p
->dh
,
802 SelectObject (hdc
, h_orig_brush
);
803 DeleteObject (h_brush
);
807 SetTextColor (hdc
, face
->background
);
808 SetBkColor (hdc
, (p
->cursor_p
809 ? f
->output_data
.w32
->cursor_pixel
810 : face
->foreground
));
812 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
813 compat_hdc
, 0, p
->dh
,
817 SelectObject (compat_hdc
, horig_obj
);
818 DeleteDC (compat_hdc
);
822 w32_set_clip_rectangle (hdc
, NULL
);
824 release_frame_dc (f
, hdc
);
828 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
830 if (which
>= max_fringe_bmp
)
832 int i
= max_fringe_bmp
;
833 max_fringe_bmp
= which
+ 20;
834 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
835 while (i
< max_fringe_bmp
)
839 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
843 w32_destroy_fringe_bitmap (int which
)
845 if (which
>= max_fringe_bmp
)
848 if (fringe_bmp
[which
])
849 DeleteObject (fringe_bmp
[which
]);
850 fringe_bmp
[which
] = 0;
855 /* This is called when starting Emacs and when restarting after
856 suspend. When starting Emacs, no window is mapped. And nothing
857 must be done to Emacs's own window if it is suspended (though that
861 w32_set_terminal_modes (struct terminal
*term
)
865 /* This is called when exiting or suspending Emacs. Exiting will make
866 the W32 windows go away, and suspending requires no action. */
869 w32_reset_terminal_modes (struct terminal
*term
)
875 /***********************************************************************
877 ***********************************************************************/
879 /* Function prototypes of this page. */
881 static void x_set_glyph_string_clipping (struct glyph_string
*);
882 static void x_set_glyph_string_gc (struct glyph_string
*);
883 static void x_draw_glyph_string_background (struct glyph_string
*,
885 static void x_draw_glyph_string_foreground (struct glyph_string
*);
886 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
887 static void x_draw_glyph_string_box (struct glyph_string
*);
888 static void x_draw_glyph_string (struct glyph_string
*);
889 static void x_set_cursor_gc (struct glyph_string
*);
890 static void x_set_mode_line_face_gc (struct glyph_string
*);
891 static void x_set_mouse_face_gc (struct glyph_string
*);
892 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
893 static void w32_setup_relief_color (struct frame
*, struct relief
*,
894 double, int, COLORREF
);
895 static void x_setup_relief_colors (struct glyph_string
*);
896 static void x_draw_image_glyph_string (struct glyph_string
*);
897 static void x_draw_image_relief (struct glyph_string
*);
898 static void x_draw_image_foreground (struct glyph_string
*);
899 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
900 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
902 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
903 int, int, int, int, int, int,
905 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
906 int, int, int, RECT
*);
909 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
913 x_set_cursor_gc (struct glyph_string
*s
)
915 if (s
->font
== FRAME_FONT (s
->f
)
916 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
917 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
919 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
922 /* Cursor on non-default face: must merge. */
926 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
927 xgcv
.foreground
= s
->face
->background
;
929 /* If the glyph would be invisible, try a different foreground. */
930 if (xgcv
.foreground
== xgcv
.background
)
931 xgcv
.foreground
= s
->face
->foreground
;
932 if (xgcv
.foreground
== xgcv
.background
)
933 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
934 if (xgcv
.foreground
== xgcv
.background
)
935 xgcv
.foreground
= s
->face
->foreground
;
937 /* Make sure the cursor is distinct from text in this face. */
938 if (xgcv
.background
== s
->face
->background
939 && xgcv
.foreground
== s
->face
->foreground
)
941 xgcv
.background
= s
->face
->foreground
;
942 xgcv
.foreground
= s
->face
->background
;
945 IF_DEBUG (x_check_font (s
->f
, s
->font
));
947 mask
= GCForeground
| GCBackground
| GCFont
;
949 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
950 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
953 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
954 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
956 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
961 /* Set up S->gc of glyph string S for drawing text in mouse face. */
964 x_set_mouse_face_gc (struct glyph_string
*s
)
969 /* What face has to be used last for the mouse face? */
970 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
971 face
= FACE_FROM_ID (s
->f
, face_id
);
973 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
975 if (s
->first_glyph
->type
== CHAR_GLYPH
)
976 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
978 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
979 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
980 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
982 /* If font in this face is same as S->font, use it. */
983 if (s
->font
== s
->face
->font
)
987 /* Otherwise construct scratch_cursor_gc with values from FACE
992 xgcv
.background
= s
->face
->background
;
993 xgcv
.foreground
= s
->face
->foreground
;
994 IF_DEBUG (x_check_font (s
->f
, s
->font
));
996 mask
= GCForeground
| GCBackground
| GCFont
;
998 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
999 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1002 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1003 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1005 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1008 xassert (s
->gc
!= 0);
1012 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1013 Faces to use in the mode line have already been computed when the
1014 matrix was built, so there isn't much to do, here. */
1017 x_set_mode_line_face_gc (struct glyph_string
*s
)
1019 s
->gc
= s
->face
->gc
;
1023 /* Set S->gc of glyph string S for drawing that glyph string. Set
1024 S->stippled_p to a non-zero value if the face of S has a stipple
1028 x_set_glyph_string_gc (struct glyph_string
*s
)
1030 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1032 if (s
->hl
== DRAW_NORMAL_TEXT
)
1034 s
->gc
= s
->face
->gc
;
1035 s
->stippled_p
= s
->face
->stipple
!= 0;
1037 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1039 x_set_mode_line_face_gc (s
);
1040 s
->stippled_p
= s
->face
->stipple
!= 0;
1042 else if (s
->hl
== DRAW_CURSOR
)
1044 x_set_cursor_gc (s
);
1047 else if (s
->hl
== DRAW_MOUSE_FACE
)
1049 x_set_mouse_face_gc (s
);
1050 s
->stippled_p
= s
->face
->stipple
!= 0;
1052 else if (s
->hl
== DRAW_IMAGE_RAISED
1053 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1055 s
->gc
= s
->face
->gc
;
1056 s
->stippled_p
= s
->face
->stipple
!= 0;
1060 s
->gc
= s
->face
->gc
;
1061 s
->stippled_p
= s
->face
->stipple
!= 0;
1064 /* GC must have been set. */
1065 xassert (s
->gc
!= 0);
1069 /* Set clipping for output of glyph string S. S may be part of a mode
1070 line or menu if we don't have X toolkit support. */
1073 x_set_glyph_string_clipping (struct glyph_string
*s
)
1076 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1079 w32_set_clip_rectangle (s
->hdc
, r
);
1082 HRGN full_clip
, clip1
, clip2
;
1083 clip1
= CreateRectRgnIndirect (r
);
1084 clip2
= CreateRectRgnIndirect (r
+ 1);
1085 if (CombineRgn (full_clip
, clip1
, clip2
, RGN_OR
) != ERROR
)
1087 SelectClipRgn (s
->hdc
, full_clip
);
1089 DeleteObject (clip1
);
1090 DeleteObject (clip2
);
1091 DeleteObject (full_clip
);
1096 /* Set SRC's clipping for output of glyph string DST. This is called
1097 when we are drawing DST's left_overhang or right_overhang only in
1101 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1102 struct glyph_string
*dst
)
1107 r
.right
= r
.left
+ src
->width
;
1109 r
.bottom
= r
.top
+ src
->height
;
1112 w32_set_clip_rectangle (dst
->hdc
, &r
);
1116 Compute left and right overhang of glyph string S. */
1119 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1122 && s
->first_glyph
->type
== CHAR_GLYPH
1123 && !s
->font_not_found_p
)
1125 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1126 struct font
*font
= s
->font
;
1127 struct font_metrics metrics
;
1130 for (i
= 0; i
< s
->nchars
; i
++)
1131 code
[i
] = s
->char2b
[i
];
1132 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1133 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1134 ? metrics
.rbearing
- metrics
.width
: 0);
1135 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1139 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1140 s
->left_overhang
= -s
->cmp
->lbearing
;
1144 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1147 x_clear_glyph_string_rect (struct glyph_string
*s
,
1148 int x
, int y
, int w
, int h
)
1155 /* Take clipping into account. */
1156 if (s
->gc
->clip_mask
== Rect
)
1158 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1159 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1160 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1161 - s
->gc
->clip_rectangle
.left
);
1162 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1163 - s
->gc
->clip_rectangle
.top
);
1166 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1171 /* Draw the background of glyph_string S. If S->background_filled_p
1172 is non-zero don't draw it. FORCE_P non-zero means draw the
1173 background even if it wouldn't be drawn normally. This is used
1174 when a string preceding S draws into the background of S, or S
1175 contains the first component of a composition. */
1178 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1180 /* Nothing to do if background has already been drawn or if it
1181 shouldn't be drawn in the first place. */
1182 if (!s
->background_filled_p
)
1184 int box_line_width
= max (s
->face
->box_line_width
, 0);
1186 #if 0 /* TODO: stipple */
1189 /* Fill background with a stipple pattern. */
1190 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1191 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1192 s
->y
+ box_line_width
,
1193 s
->background_width
,
1194 s
->height
- 2 * box_line_width
);
1195 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1196 s
->background_filled_p
= 1;
1200 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1201 || s
->font_not_found_p
1202 || s
->extends_to_end_of_line_p
1205 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1206 s
->background_width
,
1207 s
->height
- 2 * box_line_width
);
1208 s
->background_filled_p
= 1;
1214 /* Draw the foreground of glyph string S. */
1217 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1221 /* If first glyph of S has a left box line, start drawing the text
1222 of S to the right of that box line. */
1223 if (s
->face
->box
!= FACE_NO_BOX
1224 && s
->first_glyph
->left_box_line_p
)
1225 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1229 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1230 SetBkColor (s
->hdc
, s
->gc
->background
);
1231 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1233 /* Draw characters of S as rectangles if S's font could not be
1235 if (s
->font_not_found_p
)
1237 for (i
= 0; i
< s
->nchars
; ++i
)
1239 struct glyph
*g
= s
->first_glyph
+ i
;
1241 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1243 x
+= g
->pixel_width
;
1248 struct font
*font
= s
->font
;
1249 int boff
= font
->baseline_offset
;
1253 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1255 if (font
->vertical_centering
)
1256 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1258 y
= s
->ybase
- boff
;
1260 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1261 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1263 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1264 if (s
->face
->overstrike
)
1265 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1267 SelectObject (s
->hdc
, old_font
);
1271 /* Draw the foreground of composite glyph string S. */
1274 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1277 struct font
*font
= s
->font
;
1279 /* If first glyph of S has a left box line, start drawing the text
1280 of S to the right of that box line. */
1281 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1282 && s
->first_glyph
->left_box_line_p
)
1283 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1287 /* S is a glyph string for a composition. S->cmp_from is the index
1288 of the first character drawn for glyphs of this composition.
1289 S->cmp_from == 0 means we are drawing the very first character of
1290 this composition. */
1292 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1293 SetBkColor (s
->hdc
, s
->gc
->background
);
1294 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1296 /* Draw a rectangle for the composition if the font for the very
1297 first character of the composition could not be loaded. */
1298 if (s
->font_not_found_p
)
1300 if (s
->cmp_from
== 0)
1301 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1304 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1310 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1312 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1313 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1315 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1316 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1318 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1319 if (s
->face
->overstrike
)
1320 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1322 SelectObject (s
->hdc
, old_font
);
1326 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1332 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1334 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1336 glyph
= LGSTRING_GLYPH (gstring
, i
);
1337 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1338 width
+= LGLYPH_WIDTH (glyph
);
1341 int xoff
, yoff
, wadjust
;
1345 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1348 xoff
= LGLYPH_XOFF (glyph
);
1349 yoff
= LGLYPH_YOFF (glyph
);
1350 wadjust
= LGLYPH_WADJUST (glyph
);
1351 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1358 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1360 SelectObject (s
->hdc
, old_font
);
1365 /* Draw the foreground of glyph string S for glyphless characters. */
1368 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1370 struct glyph
*glyph
= s
->first_glyph
;
1373 int with_background
;
1375 /* If first glyph of S has a left box line, start drawing the text
1376 of S to the right of that box line. */
1377 if (s
->face
->box
!= FACE_NO_BOX
1378 && s
->first_glyph
->left_box_line_p
)
1379 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1383 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1384 SetBkColor (s
->hdc
, s
->gc
->background
);
1385 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1388 with_background
= ! (s
->for_overlaps
1389 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1390 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1392 char buf
[7], *str
= NULL
;
1393 int len
= glyph
->u
.glyphless
.len
;
1395 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1398 && CHAR_TABLE_P (Vglyphless_char_display
)
1399 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1403 = (! glyph
->u
.glyphless
.for_no_font
1404 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1405 glyph
->u
.glyphless
.ch
)
1406 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1407 if (STRINGP (acronym
))
1408 str
= SSDATA (acronym
);
1411 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1413 sprintf ((char *) buf
, "%0*X",
1414 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1415 glyph
->u
.glyphless
.ch
);
1419 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1420 w32_draw_rectangle (s
->hdc
, s
->gc
,
1421 x
, s
->ybase
- glyph
->ascent
,
1422 glyph
->pixel_width
- 1,
1423 glyph
->ascent
+ glyph
->descent
- 1);
1426 struct font
*font
= s
->font
;
1427 int upper_len
= (len
+ 1) / 2;
1431 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1432 /* It is certain that all LEN characters in STR are ASCII. */
1433 for (j
= 0; j
< len
; j
++)
1435 code
= font
->driver
->encode_char (font
, str
[j
]);
1436 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1438 font
->driver
->draw (s
, 0, upper_len
,
1439 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1440 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1442 font
->driver
->draw (s
, upper_len
, len
,
1443 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1444 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1446 SelectObject (s
->hdc
, old_font
);
1448 x
+= glyph
->pixel_width
;
1453 /* Brightness beyond which a color won't have its highlight brightness
1456 Nominally, highlight colors for `3d' faces are calculated by
1457 brightening an object's color by a constant scale factor, but this
1458 doesn't yield good results for dark colors, so for colors who's
1459 brightness is less than this value (on a scale of 0-255) have to
1460 use an additional additive factor.
1462 The value here is set so that the default menu-bar/mode-line color
1463 (grey75) will not have its highlights changed at all. */
1464 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1467 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1468 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1469 If this produces the same color as COLOR, try a color where all RGB
1470 values have DELTA added. Return the allocated color in *COLOR.
1471 DISPLAY is the X display, CMAP is the colormap to operate on.
1472 Value is non-zero if successful. */
1475 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1476 double factor
, int delta
)
1481 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1484 /* Change RGB values by specified FACTOR. Avoid overflow! */
1485 xassert (factor
>= 0);
1486 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1487 min (0xff, factor
* GetGValue (*color
)),
1488 min (0xff, factor
* GetBValue (*color
)));
1490 /* Calculate brightness of COLOR. */
1491 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1492 + GetBValue (*color
)) / 6;
1494 /* We only boost colors that are darker than
1495 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1496 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1497 /* Make an additive adjustment to NEW, because it's dark enough so
1498 that scaling by FACTOR alone isn't enough. */
1500 /* How far below the limit this color is (0 - 1, 1 being darker). */
1501 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1502 /* The additive adjustment. */
1503 int min_delta
= delta
* dimness
* factor
/ 2;
1506 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1507 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1508 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1510 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1511 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1512 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1516 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1517 max (0, min (0xff, delta
+ GetGValue (*color
))),
1518 max (0, min (0xff, delta
+ GetBValue (*color
))));
1520 /* TODO: Map to palette and retry with delta if same? */
1521 /* TODO: Free colors (if using palette)? */
1531 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1532 colors in COLORS. On W32, we no longer try to map colors to
1535 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1539 for (i
= 0; i
< ncolors
; i
++)
1541 DWORD pixel
= colors
[i
].pixel
;
1542 /* Convert to a 16 bit value in range 0 - 0xffff. */
1543 colors
[i
].red
= GetRValue (pixel
) * 257;
1544 colors
[i
].green
= GetGValue (pixel
) * 257;
1545 colors
[i
].blue
= GetBValue (pixel
) * 257;
1550 x_query_color (struct frame
*f
, XColor
*color
)
1552 x_query_colors (f
, color
, 1);
1556 /* Set up the foreground color for drawing relief lines of glyph
1557 string S. RELIEF is a pointer to a struct relief containing the GC
1558 with which lines will be drawn. Use a color that is FACTOR or
1559 DELTA lighter or darker than the relief's background which is found
1560 in S->f->output_data.x->relief_background. If such a color cannot
1561 be allocated, use DEFAULT_PIXEL, instead. */
1564 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1565 int delta
, COLORREF default_pixel
)
1568 struct w32_output
*di
= f
->output_data
.w32
;
1569 unsigned long mask
= GCForeground
;
1571 COLORREF background
= di
->relief_background
;
1572 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1574 /* TODO: Free colors (if using palette)? */
1576 /* Allocate new color. */
1577 xgcv
.foreground
= default_pixel
;
1579 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1581 relief
->allocated_p
= 1;
1582 xgcv
.foreground
= relief
->pixel
= pixel
;
1585 if (relief
->gc
== 0)
1587 #if 0 /* TODO: stipple */
1588 xgcv
.stipple
= dpyinfo
->gray
;
1591 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1594 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1598 /* Set up colors for the relief lines around glyph string S. */
1601 x_setup_relief_colors (struct glyph_string
*s
)
1603 struct w32_output
*di
= s
->f
->output_data
.w32
;
1606 if (s
->face
->use_box_color_for_shadows_p
)
1607 color
= s
->face
->box_color
;
1608 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1610 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1611 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1613 color
= s
->gc
->background
;
1615 if (di
->white_relief
.gc
== 0
1616 || color
!= di
->relief_background
)
1618 di
->relief_background
= color
;
1619 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1620 WHITE_PIX_DEFAULT (s
->f
));
1621 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1622 BLACK_PIX_DEFAULT (s
->f
));
1627 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1628 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1629 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1630 relief. LEFT_P non-zero means draw a relief on the left side of
1631 the rectangle. RIGHT_P non-zero means draw a relief on the right
1632 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1636 w32_draw_relief_rect (struct frame
*f
,
1637 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1638 int raised_p
, int top_p
, int bot_p
, int left_p
, int right_p
,
1643 HDC hdc
= get_frame_dc (f
);
1646 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1648 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1650 w32_set_clip_rectangle (hdc
, clip_rect
);
1654 for (i
= 0; i
< width
; ++i
)
1655 w32_fill_area (f
, hdc
, gc
.foreground
,
1656 left_x
+ i
* left_p
, top_y
+ i
,
1657 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1661 for (i
= 0; i
< width
; ++i
)
1662 w32_fill_area (f
, hdc
, gc
.foreground
,
1663 left_x
+ i
, top_y
+ i
, 1,
1664 bottom_y
- top_y
- 2 * i
+ 1);
1667 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1669 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1673 for (i
= 0; i
< width
; ++i
)
1674 w32_fill_area (f
, hdc
, gc
.foreground
,
1675 left_x
+ i
* left_p
, bottom_y
- i
,
1676 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1680 for (i
= 0; i
< width
; ++i
)
1681 w32_fill_area (f
, hdc
, gc
.foreground
,
1682 right_x
- i
, top_y
+ i
+ 1, 1,
1683 bottom_y
- top_y
- 2 * i
- 1);
1685 w32_set_clip_rectangle (hdc
, NULL
);
1687 release_frame_dc (f
, hdc
);
1691 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1692 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1693 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1694 left side of the rectangle. RIGHT_P non-zero means draw a line
1695 on the right side of the rectangle. CLIP_RECT is the clipping
1696 rectangle to use when drawing. */
1699 w32_draw_box_rect (struct glyph_string
*s
,
1700 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1701 int left_p
, int right_p
, RECT
*clip_rect
)
1703 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1706 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1707 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1712 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1713 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1717 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1718 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1723 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1724 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1727 w32_set_clip_rectangle (s
->hdc
, NULL
);
1731 /* Draw a box around glyph string S. */
1734 x_draw_glyph_string_box (struct glyph_string
*s
)
1736 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1737 int left_p
, right_p
;
1738 struct glyph
*last_glyph
;
1741 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1742 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1743 : window_box_right (s
->w
, s
->area
));
1745 /* The glyph that may have a right box line. */
1746 last_glyph
= (s
->cmp
|| s
->img
1748 : s
->first_glyph
+ s
->nchars
- 1);
1750 width
= eabs (s
->face
->box_line_width
);
1751 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1753 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1755 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1757 bottom_y
= top_y
+ s
->height
- 1;
1759 left_p
= (s
->first_glyph
->left_box_line_p
1760 || (s
->hl
== DRAW_MOUSE_FACE
1762 || s
->prev
->hl
!= s
->hl
)));
1763 right_p
= (last_glyph
->right_box_line_p
1764 || (s
->hl
== DRAW_MOUSE_FACE
1766 || s
->next
->hl
!= s
->hl
)));
1768 get_glyph_string_clip_rect (s
, &clip_rect
);
1770 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1771 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1772 left_p
, right_p
, &clip_rect
);
1775 x_setup_relief_colors (s
);
1776 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1777 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1782 /* Draw foreground of image glyph string S. */
1785 x_draw_image_foreground (struct glyph_string
*s
)
1788 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1790 /* If first glyph of S has a left box line, start drawing it to the
1791 right of that line. */
1792 if (s
->face
->box
!= FACE_NO_BOX
1793 && s
->first_glyph
->left_box_line_p
1795 x
+= eabs (s
->face
->box_line_width
);
1797 /* If there is a margin around the image, adjust x- and y-position
1799 if (s
->slice
.x
== 0)
1800 x
+= s
->img
->hmargin
;
1801 if (s
->slice
.y
== 0)
1802 y
+= s
->img
->vmargin
;
1808 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1809 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1810 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1811 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1812 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1813 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1814 x_set_glyph_string_clipping (s
);
1818 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1819 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1821 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1822 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1824 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1825 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1826 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1827 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1828 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1829 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1831 SelectObject (mask_dc
, mask_orig_obj
);
1836 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1837 SetBkColor (s
->hdc
, s
->gc
->background
);
1839 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1840 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1842 /* When the image has a mask, we can expect that at
1843 least part of a mouse highlight or a block cursor will
1844 be visible. If the image doesn't have a mask, make
1845 a block cursor visible by drawing a rectangle around
1846 the image. I believe it's looking better if we do
1847 nothing here for mouse-face. */
1848 if (s
->hl
== DRAW_CURSOR
)
1850 int r
= s
->img
->relief
;
1852 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1853 s
->slice
.width
+ r
*2 - 1,
1854 s
->slice
.height
+ r
*2 - 1);
1858 w32_set_clip_rectangle (s
->hdc
, NULL
);
1859 SelectObject (s
->hdc
, orig_brush
);
1860 DeleteObject (fg_brush
);
1861 SelectObject (compat_hdc
, orig_obj
);
1862 DeleteDC (compat_hdc
);
1865 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1866 s
->slice
.width
- 1, s
->slice
.height
- 1);
1868 RestoreDC (s
->hdc
,-1);
1872 /* Draw a relief around the image glyph string S. */
1875 x_draw_image_relief (struct glyph_string
*s
)
1877 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1880 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1882 /* If first glyph of S has a left box line, start drawing it to the
1883 right of that line. */
1884 if (s
->face
->box
!= FACE_NO_BOX
1885 && s
->first_glyph
->left_box_line_p
1887 x
+= eabs (s
->face
->box_line_width
);
1889 /* If there is a margin around the image, adjust x- and y-position
1891 if (s
->slice
.x
== 0)
1892 x
+= s
->img
->hmargin
;
1893 if (s
->slice
.y
== 0)
1894 y
+= s
->img
->vmargin
;
1896 if (s
->hl
== DRAW_IMAGE_SUNKEN
1897 || s
->hl
== DRAW_IMAGE_RAISED
)
1899 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1900 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1904 thick
= eabs (s
->img
->relief
);
1905 raised_p
= s
->img
->relief
> 0;
1910 x1
= x
+ s
->slice
.width
+ thick
- 1;
1911 y1
= y
+ s
->slice
.height
+ thick
- 1;
1913 x_setup_relief_colors (s
);
1914 get_glyph_string_clip_rect (s
, &r
);
1915 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
1917 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
1919 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
1924 /* Draw the foreground of image glyph string S to PIXMAP. */
1927 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
1929 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1930 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1932 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1934 /* If first glyph of S has a left box line, start drawing it to the
1935 right of that line. */
1936 if (s
->face
->box
!= FACE_NO_BOX
1937 && s
->first_glyph
->left_box_line_p
1939 x
+= eabs (s
->face
->box_line_width
);
1941 /* If there is a margin around the image, adjust x- and y-position
1943 if (s
->slice
.x
== 0)
1944 x
+= s
->img
->hmargin
;
1945 if (s
->slice
.y
== 0)
1946 y
+= s
->img
->vmargin
;
1950 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1951 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1952 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1953 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1957 HDC mask_dc
= CreateCompatibleDC (hdc
);
1958 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1960 SetTextColor (hdc
, RGB (0, 0, 0));
1961 SetBkColor (hdc
, RGB (255, 255, 255));
1962 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1963 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1964 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1965 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1966 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1967 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1969 SelectObject (mask_dc
, mask_orig_obj
);
1974 SetTextColor (hdc
, s
->gc
->foreground
);
1975 SetBkColor (hdc
, s
->gc
->background
);
1977 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1978 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1980 /* When the image has a mask, we can expect that at
1981 least part of a mouse highlight or a block cursor will
1982 be visible. If the image doesn't have a mask, make
1983 a block cursor visible by drawing a rectangle around
1984 the image. I believe it's looking better if we do
1985 nothing here for mouse-face. */
1986 if (s
->hl
== DRAW_CURSOR
)
1988 int r
= s
->img
->relief
;
1990 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
1991 s
->slice
.width
+ r
*2 - 1,
1992 s
->slice
.height
+ r
*2 - 1);
1996 SelectObject (hdc
, orig_brush
);
1997 DeleteObject (fg_brush
);
1998 SelectObject (compat_hdc
, orig_obj
);
1999 DeleteDC (compat_hdc
);
2002 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2003 s
->slice
.width
- 1, s
->slice
.height
- 1);
2005 SelectObject (hdc
, orig_hdc_obj
);
2010 /* Draw part of the background of glyph string S. X, Y, W, and H
2011 give the rectangle to draw. */
2014 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2016 #if 0 /* TODO: stipple */
2019 /* Fill background with a stipple pattern. */
2020 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2021 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2022 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2026 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2030 /* Draw image glyph string S.
2033 s->x +-------------------------
2036 | +-------------------------
2039 | | +-------------------
2045 x_draw_image_glyph_string (struct glyph_string
*s
)
2048 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2049 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2053 height
= s
->height
- 2 * box_line_vwidth
;
2055 /* Fill background with face under the image. Do it only if row is
2056 taller than image or if image has a clip mask to reduce
2058 s
->stippled_p
= s
->face
->stipple
!= 0;
2059 if (height
> s
->slice
.height
2063 || s
->img
->pixmap
== 0
2064 || s
->width
!= s
->background_width
)
2067 if (s
->first_glyph
->left_box_line_p
2069 x
+= box_line_hwidth
;
2072 if (s
->slice
.y
== 0)
2073 y
+= box_line_vwidth
;
2075 #if 0 /* TODO: figure out if we need to do this on Windows. */
2078 /* Create a pixmap as large as the glyph string. Fill it
2079 with the background color. Copy the image to it, using
2080 its mask. Copy the temporary pixmap to the display. */
2081 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2082 int depth
= DefaultDepthOfScreen (screen
);
2084 /* Create a pixmap as large as the glyph string. */
2085 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2086 s
->background_width
,
2089 /* Don't clip in the following because we're working on the
2091 XSetClipMask (s
->display
, s
->gc
, None
);
2093 /* Fill the pixmap with the background color/stipple. */
2096 /* Fill background with a stipple pattern. */
2097 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2098 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2099 0, 0, s
->background_width
, s
->height
);
2100 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2105 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2107 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2108 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2109 0, 0, s
->background_width
, s
->height
);
2110 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2115 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2117 s
->background_filled_p
= 1;
2120 /* Draw the foreground. */
2123 w32_draw_image_foreground_1 (s
, pixmap
);
2124 x_set_glyph_string_clipping (s
);
2126 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2127 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2128 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2129 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2131 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2132 SetBkColor (s
->hdc
, s
->gc
->background
);
2133 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2134 compat_hdc
, 0, 0, SRCCOPY
);
2136 SelectObject (s
->hdc
, orig_brush
);
2137 DeleteObject (fg_brush
);
2138 SelectObject (compat_hdc
, orig_obj
);
2139 DeleteDC (compat_hdc
);
2141 DeleteObject (pixmap
);
2145 x_draw_image_foreground (s
);
2147 /* If we must draw a relief around the image, do it. */
2149 || s
->hl
== DRAW_IMAGE_RAISED
2150 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2151 x_draw_image_relief (s
);
2155 /* Draw stretch glyph string S. */
2158 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2160 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2162 if (s
->hl
== DRAW_CURSOR
2163 && !x_stretch_cursor_p
)
2165 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2166 wide as the stretch glyph. */
2167 int width
, background_width
= s
->background_width
;
2170 if (!s
->row
->reversed_p
)
2172 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2176 background_width
-= left_x
- x
;
2182 /* In R2L rows, draw the cursor on the right edge of the
2184 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2186 if (x
+ background_width
> right_x
)
2187 background_width
-= x
- right_x
;
2188 x
+= background_width
;
2190 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2191 if (s
->row
->reversed_p
)
2195 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2197 /* Clear rest using the GC of the original non-cursor face. */
2198 if (width
< background_width
)
2200 XGCValues
*gc
= s
->face
->gc
;
2202 int w
= background_width
- width
, h
= s
->height
;
2206 if (!s
->row
->reversed_p
)
2210 if (s
->row
->mouse_face_p
2211 && cursor_in_mouse_face_p (s
->w
))
2213 x_set_mouse_face_gc (s
);
2219 get_glyph_string_clip_rect (s
, &r
);
2220 w32_set_clip_rectangle (hdc
, &r
);
2222 #if 0 /* TODO: stipple */
2223 if (s
->face
->stipple
)
2225 /* Fill background with a stipple pattern. */
2226 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2227 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2228 XSetFillStyle (s
->display
, gc
, FillSolid
);
2233 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2237 else if (!s
->background_filled_p
)
2239 int background_width
= s
->background_width
;
2240 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2242 /* Don't draw into left margin, fringe or scrollbar area
2243 except for header line and mode line. */
2244 if (x
< left_x
&& !s
->row
->mode_line_p
)
2246 background_width
-= left_x
- x
;
2249 if (background_width
> 0)
2250 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2253 s
->background_filled_p
= 1;
2257 /* Draw glyph string S. */
2260 x_draw_glyph_string (struct glyph_string
*s
)
2262 int relief_drawn_p
= 0;
2264 /* If S draws into the background of its successor, draw the
2265 background of the successor first so that S can draw into it.
2266 This makes S->next use XDrawString instead of XDrawImageString. */
2267 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2270 struct glyph_string
*next
;
2271 for (width
= 0, next
= s
->next
;
2272 next
&& width
< s
->right_overhang
;
2273 width
+= next
->width
, next
= next
->next
)
2274 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2276 x_set_glyph_string_gc (next
);
2277 x_set_glyph_string_clipping (next
);
2278 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2279 x_draw_stretch_glyph_string (next
);
2281 x_draw_glyph_string_background (next
, 1);
2282 next
->num_clips
= 0;
2286 /* Set up S->gc, set clipping and draw S. */
2287 x_set_glyph_string_gc (s
);
2289 /* Draw relief (if any) in advance for char/composition so that the
2290 glyph string can be drawn over it. */
2291 if (!s
->for_overlaps
2292 && s
->face
->box
!= FACE_NO_BOX
2293 && (s
->first_glyph
->type
== CHAR_GLYPH
2294 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2297 x_set_glyph_string_clipping (s
);
2298 x_draw_glyph_string_background (s
, 1);
2299 x_draw_glyph_string_box (s
);
2300 x_set_glyph_string_clipping (s
);
2303 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2305 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2306 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2307 /* We must clip just this glyph. left_overhang part has already
2308 drawn when s->prev was drawn, and right_overhang part will be
2309 drawn later when s->next is drawn. */
2310 x_set_glyph_string_clipping_exactly (s
, s
);
2312 x_set_glyph_string_clipping (s
);
2314 switch (s
->first_glyph
->type
)
2317 x_draw_image_glyph_string (s
);
2321 x_draw_stretch_glyph_string (s
);
2325 if (s
->for_overlaps
)
2326 s
->background_filled_p
= 1;
2328 x_draw_glyph_string_background (s
, 0);
2329 x_draw_glyph_string_foreground (s
);
2332 case COMPOSITE_GLYPH
:
2333 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2334 && ! s
->first_glyph
->u
.cmp
.automatic
))
2335 s
->background_filled_p
= 1;
2337 x_draw_glyph_string_background (s
, 1);
2338 x_draw_composite_glyph_string_foreground (s
);
2341 case GLYPHLESS_GLYPH
:
2342 if (s
->for_overlaps
)
2343 s
->background_filled_p
= 1;
2345 x_draw_glyph_string_background (s
, 0);
2346 x_draw_glyphless_glyph_string_foreground (s
);
2353 if (!s
->for_overlaps
)
2355 /* Draw underline. */
2356 if (s
->face
->underline_p
)
2358 unsigned long thickness
, position
;
2361 if (s
->prev
&& s
->prev
->face
->underline_p
)
2363 /* We use the same underline style as the previous one. */
2364 thickness
= s
->prev
->underline_thickness
;
2365 position
= s
->prev
->underline_position
;
2369 /* Get the underline thickness. Default is 1 pixel. */
2370 if (s
->font
&& s
->font
->underline_thickness
> 0)
2371 thickness
= s
->font
->underline_thickness
;
2374 if (x_underline_at_descent_line
)
2375 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2378 /* Get the underline position. This is the recommended
2379 vertical offset in pixels from the baseline to the top of
2380 the underline. This is a signed value according to the
2381 specs, and its default is
2383 ROUND ((maximum_descent) / 2), with
2384 ROUND (x) = floor (x + 0.5) */
2386 if (x_use_underline_position_properties
2387 && s
->font
&& s
->font
->underline_position
>= 0)
2388 position
= s
->font
->underline_position
;
2390 position
= (s
->font
->descent
+ 1) / 2;
2392 position
= max (position
, underline_minimum_offset
);
2394 /* Check the sanity of thickness and position. We should
2395 avoid drawing underline out of the current line area. */
2396 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2397 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2398 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2399 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2400 s
->underline_thickness
= thickness
;
2401 s
->underline_position
=position
;
2402 y
= s
->ybase
+ position
;
2403 if (s
->face
->underline_defaulted_p
)
2405 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2410 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2414 /* Draw overline. */
2415 if (s
->face
->overline_p
)
2417 unsigned long dy
= 0, h
= 1;
2419 if (s
->face
->overline_color_defaulted_p
)
2421 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2422 s
->y
+ dy
, s
->width
, h
);
2426 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2427 s
->y
+ dy
, s
->width
, h
);
2431 /* Draw strike-through. */
2432 if (s
->face
->strike_through_p
2433 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2435 unsigned long h
= 1;
2436 unsigned long dy
= (s
->height
- h
) / 2;
2438 if (s
->face
->strike_through_color_defaulted_p
)
2440 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2445 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2446 s
->y
+ dy
, s
->width
, h
);
2450 /* Draw relief if not yet drawn. */
2451 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2452 x_draw_glyph_string_box (s
);
2456 struct glyph_string
*prev
;
2458 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2459 if (prev
->hl
!= s
->hl
2460 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2462 /* As prev was drawn while clipped to its own area, we
2463 must draw the right_overhang part using s->hl now. */
2464 enum draw_glyphs_face save
= prev
->hl
;
2467 x_set_glyph_string_gc (prev
);
2468 x_set_glyph_string_clipping_exactly (s
, prev
);
2469 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2470 x_draw_glyph_string_foreground (prev
);
2472 x_draw_composite_glyph_string_foreground (prev
);
2473 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2475 prev
->num_clips
= 0;
2481 struct glyph_string
*next
;
2483 for (next
= s
->next
; next
; next
= next
->next
)
2484 if (next
->hl
!= s
->hl
2485 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2487 /* As next will be drawn while clipped to its own area,
2488 we must draw the left_overhang part using s->hl now. */
2489 enum draw_glyphs_face save
= next
->hl
;
2492 x_set_glyph_string_gc (next
);
2493 x_set_glyph_string_clipping_exactly (s
, next
);
2494 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2495 x_draw_glyph_string_foreground (next
);
2497 x_draw_composite_glyph_string_foreground (next
);
2498 w32_set_clip_rectangle (next
->hdc
, NULL
);
2500 next
->num_clips
= 0;
2505 /* Reset clipping. */
2506 w32_set_clip_rectangle (s
->hdc
, NULL
);
2511 /* Shift display to make room for inserted glyphs. */
2514 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2515 int width
, int height
, int shift_by
)
2519 hdc
= get_frame_dc (f
);
2520 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2521 hdc
, x
, y
, SRCCOPY
);
2523 release_frame_dc (f
, hdc
);
2527 /* Delete N glyphs at the nominal cursor position. Not implemented
2531 x_delete_glyphs (struct frame
*f
, register int n
)
2533 if (! FRAME_W32_P (f
))
2540 /* Clear entire frame. If updating_frame is non-null, clear that
2541 frame. Otherwise clear the selected frame. */
2544 x_clear_frame (struct frame
*f
)
2546 if (! FRAME_W32_P (f
))
2549 /* Clearing the frame will erase any cursor, so mark them all as no
2551 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2552 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2553 output_cursor
.x
= -1;
2555 /* We don't set the output cursor here because there will always
2556 follow an explicit cursor_to. */
2559 w32_clear_window (f
);
2561 /* We have to clear the scroll bars, too. If we have changed
2562 colors or something like that, then they should be notified. */
2563 x_scroll_bar_clear (f
);
2569 /* Make audible bell. */
2572 w32_ring_bell (struct frame
*f
)
2576 if (FRAME_W32_P (f
) && visible_bell
)
2579 HWND hwnd
= FRAME_W32_WINDOW (f
);
2581 for (i
= 0; i
< 5; i
++)
2583 FlashWindow (hwnd
, TRUE
);
2586 FlashWindow (hwnd
, FALSE
);
2589 w32_sys_ring_bell (f
);
2595 /* Specify how many text lines, from the top of the window,
2596 should be affected by insert-lines and delete-lines operations.
2597 This, and those operations, are used only within an update
2598 that is bounded by calls to x_update_begin and x_update_end. */
2601 w32_set_terminal_window (struct frame
*f
, int n
)
2603 /* This function intentionally left blank. */
2607 /***********************************************************************
2609 ***********************************************************************/
2611 /* Perform an insert-lines or delete-lines operation, inserting N
2612 lines or deleting -N lines at vertical position VPOS. */
2615 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2617 if (! FRAME_W32_P (f
))
2624 /* Scroll part of the display as described by RUN. */
2627 x_scroll_run (struct window
*w
, struct run
*run
)
2629 struct frame
*f
= XFRAME (w
->frame
);
2630 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2631 HWND hwnd
= FRAME_W32_WINDOW (f
);
2634 /* Get frame-relative bounding box of the text display area of W,
2635 without mode lines. Include in this box the left and right
2637 window_box (w
, -1, &x
, &y
, &width
, &height
);
2639 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2640 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2641 bottom_y
= y
+ height
;
2645 /* Scrolling up. Make sure we don't copy part of the mode
2646 line at the bottom. */
2647 if (from_y
+ run
->height
> bottom_y
)
2648 height
= bottom_y
- from_y
;
2650 height
= run
->height
;
2651 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2655 /* Scolling down. Make sure we don't copy over the mode line.
2657 if (to_y
+ run
->height
> bottom_y
)
2658 height
= bottom_y
- to_y
;
2660 height
= run
->height
;
2661 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2666 /* Cursor off. Will be switched on again in x_update_window_end. */
2673 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2674 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2676 from
.left
= to
.left
= x
;
2677 from
.right
= to
.right
= x
+ width
;
2679 from
.bottom
= from_y
+ height
;
2681 to
.bottom
= bottom_y
;
2683 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2684 NULL
, SW_INVALIDATE
);
2686 /* Combine this with what we expect to be dirty. This covers the
2687 case where not all of the region we expect is actually dirty. */
2688 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2690 /* If the dirty region is not what we expected, redraw the entire frame. */
2691 if (!EqualRgn (combined
, expect_dirty
))
2692 SET_FRAME_GARBAGED (f
);
2694 DeleteObject (dirty
);
2695 DeleteObject (combined
);
2699 DeleteObject (expect_dirty
);
2704 /***********************************************************************
2706 ***********************************************************************/
2709 frame_highlight (struct frame
*f
)
2711 x_update_cursor (f
, 1);
2712 x_set_frame_alpha (f
);
2716 frame_unhighlight (struct frame
*f
)
2718 x_update_cursor (f
, 1);
2719 x_set_frame_alpha (f
);
2722 /* The focus has changed. Update the frames as necessary to reflect
2723 the new situation. Note that we can't change the selected frame
2724 here, because the Lisp code we are interrupting might become confused.
2725 Each event gets marked with the frame in which it occurred, so the
2726 Lisp code can tell when the switch took place by examining the events. */
2729 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2731 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2733 if (frame
!= dpyinfo
->w32_focus_frame
)
2735 /* Set this before calling other routines, so that they see
2736 the correct value of w32_focus_frame. */
2737 dpyinfo
->w32_focus_frame
= frame
;
2739 if (old_focus
&& old_focus
->auto_lower
)
2740 x_lower_frame (old_focus
);
2742 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2743 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2745 pending_autoraise_frame
= 0;
2748 x_frame_rehighlight (dpyinfo
);
2752 /* Handle FocusIn and FocusOut state changes for FRAME.
2753 If FRAME has focus and there exists more than one frame, puts
2754 a FOCUS_IN_EVENT into *BUFP. */
2757 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2758 struct frame
*frame
, struct input_event
*bufp
)
2760 if (type
== WM_SETFOCUS
)
2762 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2764 x_new_focus_frame (dpyinfo
, frame
);
2765 dpyinfo
->w32_focus_event_frame
= frame
;
2767 /* Don't stop displaying the initial startup message
2768 for a switch-frame event we don't need. */
2769 if (NILP (Vterminal_frame
)
2770 && CONSP (Vframe_list
)
2771 && !NILP (XCDR (Vframe_list
)))
2773 bufp
->kind
= FOCUS_IN_EVENT
;
2774 XSETFRAME (bufp
->frame_or_window
, frame
);
2778 frame
->output_data
.x
->focus_state
|= state
;
2780 /* TODO: IME focus? */
2782 else if (type
== WM_KILLFOCUS
)
2784 frame
->output_data
.x
->focus_state
&= ~state
;
2786 if (dpyinfo
->w32_focus_event_frame
== frame
)
2788 dpyinfo
->w32_focus_event_frame
= 0;
2789 x_new_focus_frame (dpyinfo
, 0);
2792 /* TODO: IME focus? */
2797 /* The focus may have changed. Figure out if it is a real focus change,
2798 by checking both FocusIn/Out and Enter/LeaveNotify events.
2800 Returns FOCUS_IN_EVENT event in *BUFP. */
2803 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2804 struct input_event
*bufp
)
2806 struct frame
*frame
;
2808 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2812 /* On w32, this is only called from focus events, so no switch needed. */
2813 x_focus_changed (event
->msg
.message
,
2814 (event
->msg
.message
== WM_KILLFOCUS
?
2815 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2816 dpyinfo
, frame
, bufp
);
2820 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2823 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2825 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2828 /* The focus has changed, or we have redirected a frame's focus to
2829 another frame (this happens when a frame uses a surrogate
2830 mini-buffer frame). Shift the highlight as appropriate.
2832 The FRAME argument doesn't necessarily have anything to do with which
2833 frame is being highlighted or un-highlighted; we only use it to find
2834 the appropriate X display info. */
2837 w32_frame_rehighlight (struct frame
*frame
)
2839 if (! FRAME_W32_P (frame
))
2841 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2845 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2847 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2849 if (dpyinfo
->w32_focus_frame
)
2851 dpyinfo
->x_highlight_frame
2852 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2853 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2854 : dpyinfo
->w32_focus_frame
);
2855 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2857 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2858 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2862 dpyinfo
->x_highlight_frame
= 0;
2864 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2867 frame_unhighlight (old_highlight
);
2868 if (dpyinfo
->x_highlight_frame
)
2869 frame_highlight (dpyinfo
->x_highlight_frame
);
2873 /* Keyboard processing - modifier keys, etc. */
2875 /* Convert a keysym to its name. */
2878 x_get_keysym_name (int keysym
)
2880 /* Make static so we can always return it */
2881 static char value
[100];
2884 GetKeyNameText (keysym
, value
, 100);
2891 codepage_for_locale (LCID locale
)
2895 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
2902 /* Mouse clicks and mouse movement. Rah. */
2904 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2905 the state in PUP. XBUTTON provides extra information for extended mouse
2906 button messages. Returns FALSE if unable to parse the message. */
2908 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
2915 case WM_LBUTTONDOWN
:
2923 case WM_MBUTTONDOWN
:
2924 if (NILP (Vw32_swap_mouse_buttons
))
2931 if (NILP (Vw32_swap_mouse_buttons
))
2937 case WM_RBUTTONDOWN
:
2938 if (NILP (Vw32_swap_mouse_buttons
))
2945 if (NILP (Vw32_swap_mouse_buttons
))
2951 case WM_XBUTTONDOWN
:
2952 button
= xbutton
+ 2;
2956 button
= xbutton
+ 2;
2964 if (pbutton
) *pbutton
= button
;
2970 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2972 If the event is a button press, then note that we have grabbed
2976 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
2981 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2984 /* Make the event type NO_EVENT; we'll change that when we decide
2986 result
->kind
= MOUSE_CLICK_EVENT
;
2987 result
->code
= button
;
2988 result
->timestamp
= msg
->msg
.time
;
2989 result
->modifiers
= (msg
->dwModifiers
2994 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2995 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2996 XSETFRAME (result
->frame_or_window
, f
);
3002 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3007 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3010 result
->timestamp
= msg
->msg
.time
;
3012 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3013 forward, away from the user (up); a negative value indicates that
3014 the wheel was rotated backward, toward the user (down). */
3015 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3017 /* The up and down modifiers indicate if the wheel was rotated up or
3018 down based on WHEEL_DELTA value. */
3019 result
->modifiers
= (msg
->dwModifiers
3020 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3022 /* With multiple monitors, we can legitimately get negative
3023 coordinates, so cast to short to interpret them correctly. */
3024 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3025 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3026 ScreenToClient (msg
->msg
.hwnd
, &p
);
3027 XSETINT (result
->x
, p
.x
);
3028 XSETINT (result
->y
, p
.y
);
3029 XSETFRAME (result
->frame_or_window
, f
);
3035 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3045 result
->kind
= DRAG_N_DROP_EVENT
;
3047 result
->timestamp
= msg
->msg
.time
;
3048 result
->modifiers
= msg
->dwModifiers
;
3050 hdrop
= (HDROP
) msg
->msg
.wParam
;
3051 DragQueryPoint (hdrop
, &p
);
3054 p
.x
= LOWORD (msg
->msg
.lParam
);
3055 p
.y
= HIWORD (msg
->msg
.lParam
);
3056 ScreenToClient (msg
->msg
.hwnd
, &p
);
3059 XSETINT (result
->x
, p
.x
);
3060 XSETINT (result
->y
, p
.y
);
3062 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3065 for (i
= 0; i
< num_files
; i
++)
3067 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3070 name
= alloca (len
+ 1);
3071 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3072 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3077 XSETFRAME (frame
, f
);
3078 result
->frame_or_window
= frame
;
3079 result
->arg
= files
;
3084 /* Function to report a mouse movement to the mainstream Emacs code.
3085 The input handler calls this.
3087 We have received a mouse movement event, which is given in *event.
3088 If the mouse is over a different glyph than it was last time, tell
3089 the mainstream emacs code by setting mouse_moved. If not, ask for
3090 another motion event, so we can check again the next time it moves. */
3092 static MSG last_mouse_motion_event
;
3093 static Lisp_Object last_mouse_motion_frame
;
3096 note_mouse_movement (FRAME_PTR frame
, MSG
*msg
)
3098 int mouse_x
= LOWORD (msg
->lParam
);
3099 int mouse_y
= HIWORD (msg
->lParam
);
3101 last_mouse_movement_time
= msg
->time
;
3102 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3103 XSETFRAME (last_mouse_motion_frame
, frame
);
3105 if (!FRAME_X_OUTPUT (frame
))
3108 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3110 frame
->mouse_moved
= 1;
3111 last_mouse_scroll_bar
= Qnil
;
3112 note_mouse_highlight (frame
, -1, -1);
3113 last_mouse_glyph_frame
= 0;
3117 /* Has the mouse moved off the glyph it was on at the last sighting? */
3118 if (frame
!= last_mouse_glyph_frame
3119 || mouse_x
< last_mouse_glyph
.left
3120 || mouse_x
>= last_mouse_glyph
.right
3121 || mouse_y
< last_mouse_glyph
.top
3122 || mouse_y
>= last_mouse_glyph
.bottom
)
3124 frame
->mouse_moved
= 1;
3125 last_mouse_scroll_bar
= Qnil
;
3126 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3127 /* Remember the mouse position here, as w32_mouse_position only
3128 gets called when mouse tracking is enabled but we also need
3129 to keep track of the mouse for help_echo and highlighting at
3131 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3132 last_mouse_glyph_frame
= frame
;
3140 /************************************************************************
3142 ************************************************************************/
3144 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3145 static void x_scroll_bar_report_motion (FRAME_PTR
*, Lisp_Object
*,
3146 enum scroll_bar_part
*,
3147 Lisp_Object
*, Lisp_Object
*,
3149 static void x_check_fullscreen (struct frame
*);
3152 redo_mouse_highlight (void)
3154 if (!NILP (last_mouse_motion_frame
)
3155 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3156 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3157 LOWORD (last_mouse_motion_event
.lParam
),
3158 HIWORD (last_mouse_motion_event
.lParam
));
3162 w32_define_cursor (Window window
, Cursor cursor
)
3164 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3166 /* Return the current position of the mouse.
3167 *fp should be a frame which indicates which display to ask about.
3169 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3170 and *part to the frame, window, and scroll bar part that the mouse
3171 is over. Set *x and *y to the portion and whole of the mouse's
3172 position on the scroll bar.
3174 If the mouse movement started elsewhere, set *fp to the frame the
3175 mouse is on, *bar_window to nil, and *x and *y to the character cell
3178 Set *time to the server time-stamp for the time at which the mouse
3179 was at this position.
3181 Don't store anything if we don't have a valid set of values to report.
3183 This clears the mouse_moved flag, so we can wait for the next mouse
3187 w32_mouse_position (FRAME_PTR
*fp
, int insist
, Lisp_Object
*bar_window
,
3188 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3189 unsigned long *time
)
3195 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3196 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3201 Lisp_Object frame
, tail
;
3203 /* Clear the mouse-moved flag for every frame on this display. */
3204 FOR_EACH_FRAME (tail
, frame
)
3205 XFRAME (frame
)->mouse_moved
= 0;
3207 last_mouse_scroll_bar
= Qnil
;
3211 /* Now we have a position on the root; find the innermost window
3212 containing the pointer. */
3214 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3215 && FRAME_LIVE_P (last_mouse_frame
))
3217 /* If mouse was grabbed on a frame, give coords for that frame
3218 even if the mouse is now outside it. */
3219 f1
= last_mouse_frame
;
3223 /* Is window under mouse one of our frames? */
3224 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3225 WindowFromPoint (pt
));
3228 /* If not, is it one of our scroll bars? */
3231 struct scroll_bar
*bar
3232 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3236 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3240 if (f1
== 0 && insist
> 0)
3241 f1
= SELECTED_FRAME ();
3245 /* Ok, we found a frame. Store all the values.
3246 last_mouse_glyph is a rectangle used to reduce the
3247 generation of mouse events. To not miss any motion
3248 events, we must divide the frame into rectangles of the
3249 size of the smallest character that could be displayed
3250 on it, i.e. into the same rectangles that matrices on
3251 the frame are divided into. */
3253 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3254 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3255 last_mouse_glyph_frame
= f1
;
3262 *time
= last_mouse_movement_time
;
3271 /***********************************************************************
3273 ***********************************************************************/
3275 /* Handle mouse button event on the tool-bar of frame F, at
3276 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3280 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3282 int x
= XFASTINT (button_event
->x
);
3283 int y
= XFASTINT (button_event
->y
);
3285 if (button_event
->modifiers
& down_modifier
)
3286 handle_tool_bar_click (f
, x
, y
, 1, 0);
3288 handle_tool_bar_click (f
, x
, y
, 0,
3289 button_event
->modifiers
& ~up_modifier
);
3294 /***********************************************************************
3296 ***********************************************************************/
3298 /* Scroll bar support. */
3300 /* Given a window ID, find the struct scroll_bar which manages it.
3301 This can be called in GC, so we have to make sure to strip off mark
3304 static struct scroll_bar
*
3305 x_window_to_scroll_bar (Window window_id
)
3309 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3311 Lisp_Object frame
, bar
, condemned
;
3313 frame
= XCAR (tail
);
3314 /* All elements of Vframe_list should be frames. */
3315 if (! FRAMEP (frame
))
3318 /* Scan this frame's scroll bar list for a scroll bar with the
3320 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3321 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3322 /* This trick allows us to search both the ordinary and
3323 condemned scroll bar lists with one loop. */
3324 ! NILP (bar
) || (bar
= condemned
,
3327 bar
= XSCROLL_BAR (bar
)->next
)
3328 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3329 return XSCROLL_BAR (bar
);
3337 /* Set the thumb size and position of scroll bar BAR. We are currently
3338 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3341 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3342 int portion
, int position
, int whole
)
3344 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3345 /* We use the whole scroll-bar height in the calculations below, to
3346 avoid strange effects like scrolling backwards when just clicking
3347 on the handle (without moving it). */
3348 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3349 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3350 int sb_page
, sb_pos
;
3351 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3354 /* We used to change the nPage setting while dragging the handle,
3355 but that had very strange effects (such as scrolling backwards
3356 while dragging downwards).
3358 Now, we don't change the nPage setting while dragging unless we
3359 get near to the end of the buffer, in which case we often have to
3360 resize the handle to "go all the way". */
3366 si
.cbSize
= sizeof (si
);
3367 si
.fMask
= SIF_POS
| SIF_PAGE
;
3368 GetScrollInfo (w
, SB_CTL
, &si
);
3369 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3377 /* Position scroll bar at rock bottom if the bottom of the
3378 buffer is visible. This avoids shinking the thumb away
3379 to nothing if it is held at the bottom of the buffer. */
3380 if (position
+ portion
>= whole
&& !draggingp
)
3382 sb_page
= range
* (whole
- position
) / whole
;
3387 sb_pos
= position
* range
/ whole
;
3388 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3397 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3401 si
.cbSize
= sizeof (si
);
3402 si
.fMask
= SIF_PAGE
| SIF_POS
;
3406 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3412 /************************************************************************
3413 Scroll bars, general
3414 ************************************************************************/
3417 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3419 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3420 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3424 /*#define ATTACH_THREADS*/
3427 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3429 #ifndef ATTACH_THREADS
3430 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3431 (WPARAM
) hwnd
, (LPARAM
) how
);
3433 return ShowWindow (hwnd
, how
);
3438 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3439 int x
, int y
, int cx
, int cy
, UINT flags
)
3441 #ifndef ATTACH_THREADS
3443 pos
.hwndInsertAfter
= hwndAfter
;
3449 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3451 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3457 my_set_focus (struct frame
* f
, HWND hwnd
)
3459 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3465 my_set_foreground_window (HWND hwnd
)
3467 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3472 my_destroy_window (struct frame
* f
, HWND hwnd
)
3474 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3478 /* Create a scroll bar and return the scroll bar vector for it. W is
3479 the Emacs window on which to create the scroll bar. TOP, LEFT,
3480 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3483 static struct scroll_bar
*
3484 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3486 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3489 struct scroll_bar
*bar
3490 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3494 XSETWINDOW (bar
->window
, w
);
3495 XSETINT (bar
->top
, top
);
3496 XSETINT (bar
->left
, left
);
3497 XSETINT (bar
->width
, width
);
3498 XSETINT (bar
->height
, height
);
3499 XSETINT (bar
->start
, 0);
3500 XSETINT (bar
->end
, 0);
3501 bar
->dragging
= Qnil
;
3502 bar
->fringe_extended_p
= Qnil
;
3504 /* Requires geometry to be set before call to create the real window */
3506 hwnd
= my_create_scrollbar (f
, bar
);
3508 si
.cbSize
= sizeof (si
);
3511 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3512 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3516 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3518 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3520 /* Add bar to its frame's list of scroll bars. */
3521 bar
->next
= FRAME_SCROLL_BARS (f
);
3523 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3524 if (! NILP (bar
->next
))
3525 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3533 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3537 x_scroll_bar_remove (struct scroll_bar
*bar
)
3539 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3543 /* Destroy the window. */
3544 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3546 /* Disassociate this scroll bar from its window. */
3547 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3552 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3553 that we are displaying PORTION characters out of a total of WHOLE
3554 characters, starting at POSITION. If WINDOW has no scroll bar,
3557 w32_set_vertical_scroll_bar (struct window
*w
,
3558 int portion
, int whole
, int position
)
3560 struct frame
*f
= XFRAME (w
->frame
);
3561 struct scroll_bar
*bar
;
3562 int top
, height
, left
, sb_left
, width
, sb_width
;
3563 int window_y
, window_height
;
3564 int fringe_extended_p
;
3566 /* Get window dimensions. */
3567 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3569 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3570 height
= window_height
;
3572 /* Compute the left edge of the scroll bar area. */
3573 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3575 /* Compute the width of the scroll bar which might be less than
3576 the width of the area reserved for the scroll bar. */
3577 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3578 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3582 /* Compute the left edge of the scroll bar. */
3583 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3584 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3586 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3588 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3589 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3590 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3591 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3592 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3594 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3595 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3596 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3597 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3599 /* Does the scroll bar exist yet? */
3600 if (NILP (w
->vertical_scroll_bar
))
3604 if (width
> 0 && height
> 0)
3606 hdc
= get_frame_dc (f
);
3607 if (fringe_extended_p
)
3608 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3610 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3611 release_frame_dc (f
, hdc
);
3615 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3619 /* It may just need to be moved and resized. */
3622 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3623 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3625 /* If already correctly positioned, do nothing. */
3626 if ( XINT (bar
->left
) == sb_left
3627 && XINT (bar
->top
) == top
3628 && XINT (bar
->width
) == sb_width
3629 && XINT (bar
->height
) == height
3630 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3632 /* Redraw after clear_frame. */
3633 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3634 InvalidateRect (hwnd
, NULL
, FALSE
);
3642 if (width
&& height
)
3644 hdc
= get_frame_dc (f
);
3645 /* Since Windows scroll bars are smaller than the space reserved
3646 for them on the frame, we have to clear "under" them. */
3647 if (fringe_extended_p
)
3648 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3650 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3651 release_frame_dc (f
, hdc
);
3653 /* Make sure scroll bar is "visible" before moving, to ensure the
3654 area of the parent window now exposed will be refreshed. */
3655 my_show_window (f
, hwnd
, SW_HIDE
);
3656 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3657 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3658 max (height
, 1), TRUE
);
3660 si
.cbSize
= sizeof (si
);
3661 si
.fMask
= SIF_RANGE
;
3663 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3664 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3666 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3668 my_show_window (f
, hwnd
, SW_NORMAL
);
3669 /* InvalidateRect (w, NULL, FALSE); */
3671 /* Remember new settings. */
3672 XSETINT (bar
->left
, sb_left
);
3673 XSETINT (bar
->top
, top
);
3674 XSETINT (bar
->width
, sb_width
);
3675 XSETINT (bar
->height
, height
);
3680 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3682 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3684 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3688 /* The following three hooks are used when we're doing a thorough
3689 redisplay of the frame. We don't explicitly know which scroll bars
3690 are going to be deleted, because keeping track of when windows go
3691 away is a real pain - "Can you say set-window-configuration, boys
3692 and girls?" Instead, we just assert at the beginning of redisplay
3693 that *all* scroll bars are to be removed, and then save a scroll bar
3694 from the fiery pit when we actually redisplay its window. */
3696 /* Arrange for all scroll bars on FRAME to be removed at the next call
3697 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3698 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3701 w32_condemn_scroll_bars (FRAME_PTR frame
)
3703 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3704 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3707 bar
= FRAME_SCROLL_BARS (frame
);
3708 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3709 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3710 XSCROLL_BAR (bar
)->prev
= Qnil
;
3711 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3712 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3713 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3718 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3719 Note that WINDOW isn't necessarily condemned at all. */
3722 w32_redeem_scroll_bar (struct window
*window
)
3724 struct scroll_bar
*bar
;
3727 /* We can't redeem this window's scroll bar if it doesn't have one. */
3728 if (NILP (window
->vertical_scroll_bar
))
3731 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3733 /* Unlink it from the condemned list. */
3734 f
= XFRAME (WINDOW_FRAME (window
));
3735 if (NILP (bar
->prev
))
3737 /* If the prev pointer is nil, it must be the first in one of
3739 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3740 /* It's not condemned. Everything's fine. */
3742 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3743 window
->vertical_scroll_bar
))
3744 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3746 /* If its prev pointer is nil, it must be at the front of
3747 one or the other! */
3751 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3753 if (! NILP (bar
->next
))
3754 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3756 bar
->next
= FRAME_SCROLL_BARS (f
);
3758 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3759 if (! NILP (bar
->next
))
3760 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3763 /* Remove all scroll bars on FRAME that haven't been saved since the
3764 last call to `*condemn_scroll_bars_hook'. */
3767 w32_judge_scroll_bars (FRAME_PTR f
)
3769 Lisp_Object bar
, next
;
3771 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3773 /* Clear out the condemned list now so we won't try to process any
3774 more events on the hapless scroll bars. */
3775 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3777 for (; ! NILP (bar
); bar
= next
)
3779 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3781 x_scroll_bar_remove (b
);
3784 b
->next
= b
->prev
= Qnil
;
3787 /* Now there should be no references to the condemned scroll bars,
3788 and they should get garbage-collected. */
3791 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3792 is set to something other than NO_EVENT, it is enqueued.
3794 This may be called from a signal handler, so we have to ignore GC
3798 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
3799 struct input_event
*emacs_event
)
3801 if (! WINDOWP (bar
->window
))
3804 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3805 emacs_event
->code
= 0;
3806 /* not really meaningful to distinguish up/down */
3807 emacs_event
->modifiers
= msg
->dwModifiers
;
3808 emacs_event
->frame_or_window
= bar
->window
;
3809 emacs_event
->arg
= Qnil
;
3810 emacs_event
->timestamp
= msg
->msg
.time
;
3813 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3815 int dragging
= !NILP (bar
->dragging
);
3818 si
.cbSize
= sizeof (si
);
3821 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3824 bar
->dragging
= Qnil
;
3827 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3829 switch (LOWORD (msg
->msg
.wParam
))
3832 emacs_event
->part
= scroll_bar_down_arrow
;
3835 emacs_event
->part
= scroll_bar_up_arrow
;
3838 emacs_event
->part
= scroll_bar_above_handle
;
3841 emacs_event
->part
= scroll_bar_below_handle
;
3844 emacs_event
->part
= scroll_bar_handle
;
3848 emacs_event
->part
= scroll_bar_handle
;
3852 case SB_THUMBPOSITION
:
3853 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3854 y
= HIWORD (msg
->msg
.wParam
);
3856 emacs_event
->part
= scroll_bar_handle
;
3858 /* "Silently" update current position. */
3862 si
.cbSize
= sizeof (si
);
3865 /* Remember apparent position (we actually lag behind the real
3866 position, so don't set that directly. */
3867 last_scroll_bar_drag_pos
= y
;
3869 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3873 /* If this is the end of a drag sequence, then reset the scroll
3874 handle size to normal and do a final redraw. Otherwise do
3879 int start
= XINT (bar
->start
);
3880 int end
= XINT (bar
->end
);
3882 si
.cbSize
= sizeof (si
);
3883 si
.fMask
= SIF_PAGE
| SIF_POS
;
3884 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3885 si
.nPos
= last_scroll_bar_drag_pos
;
3886 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3890 emacs_event
->kind
= NO_EVENT
;
3894 XSETINT (emacs_event
->x
, y
);
3895 XSETINT (emacs_event
->y
, top_range
);
3901 /* Return information to the user about the current position of the mouse
3902 on the scroll bar. */
3905 x_scroll_bar_report_motion (FRAME_PTR
*fp
, Lisp_Object
*bar_window
,
3906 enum scroll_bar_part
*part
,
3907 Lisp_Object
*x
, Lisp_Object
*y
,
3908 unsigned long *time
)
3910 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3911 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3912 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3914 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3920 *bar_window
= bar
->window
;
3922 si
.cbSize
= sizeof (si
);
3923 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3925 GetScrollInfo (w
, SB_CTL
, &si
);
3927 top_range
= si
.nMax
- si
.nPage
+ 1;
3929 switch (LOWORD (last_mouse_scroll_bar_pos
))
3931 case SB_THUMBPOSITION
:
3933 *part
= scroll_bar_handle
;
3934 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3935 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3938 *part
= scroll_bar_handle
;
3942 *part
= scroll_bar_handle
;
3947 XSETINT (*y
, top_range
);
3950 last_mouse_scroll_bar
= Qnil
;
3952 *time
= last_mouse_movement_time
;
3958 /* The screen has been cleared so we may have changed foreground or
3959 background colors, and the scroll bars may need to be redrawn.
3960 Clear out the scroll bars, and ask for expose events, so we can
3964 x_scroll_bar_clear (FRAME_PTR f
)
3968 /* We can have scroll bars even if this is 0,
3969 if we just turned off scroll bar mode.
3970 But in that case we should not clear them. */
3971 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
3972 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3973 bar
= XSCROLL_BAR (bar
)->next
)
3975 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
3976 HDC hdc
= GetDC (window
);
3979 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
3980 arranges to refresh the scroll bar if hidden. */
3981 my_show_window (f
, window
, SW_HIDE
);
3983 GetClientRect (window
, &rect
);
3984 select_palette (f
, hdc
);
3985 w32_clear_rect (f
, hdc
, &rect
);
3986 deselect_palette (f
, hdc
);
3988 ReleaseDC (window
, hdc
);
3993 /* The main W32 event-reading loop - w32_read_socket. */
3995 /* Record the last 100 characters stored
3996 to help debug the loss-of-chars-during-GC problem. */
3998 static int temp_index
;
3999 static short temp_buffer
[100];
4001 /* Temporarily store lead byte of DBCS input sequences. */
4002 static char dbcs_lead
= 0;
4004 /* Read events coming from the W32 shell.
4005 This routine is called by the SIGIO handler.
4006 We return as soon as there are no more events to be read.
4008 We return the number of characters stored into the buffer,
4009 thus pretending to be `read'.
4011 EXPECTED is nonzero if the caller knows input is available.
4013 Some of these messages are reposted back to the message queue since the
4014 system calls the windows proc directly in a context where we cannot return
4015 the data nor can we guarantee the state we are in. So if we dispatch them
4016 we will get into an infinite loop. To prevent this from ever happening we
4017 will set a variable to indicate we are in the read_socket call and indicate
4018 which message we are processing since the windows proc gets called
4019 recursively with different messages by the system.
4023 w32_read_socket (struct terminal
*terminal
, int expected
,
4024 struct input_event
*hold_quit
)
4027 int check_visibility
= 0;
4030 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4031 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4033 if (interrupt_input_blocked
)
4035 interrupt_input_pending
= 1;
4039 interrupt_input_pending
= 0;
4042 /* So people can tell when we have read the available input. */
4043 input_signal_count
++;
4045 /* TODO: ghostscript integration. */
4046 while (get_next_msg (&msg
, FALSE
))
4048 struct input_event inev
;
4052 inev
.kind
= NO_EVENT
;
4055 switch (msg
.msg
.message
)
4057 case WM_EMACS_PAINT
:
4058 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4062 if (msg
.rect
.right
== msg
.rect
.left
||
4063 msg
.rect
.bottom
== msg
.rect
.top
)
4065 /* We may get paint messages even though the client
4066 area is clipped - these are not expose events. */
4067 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4070 else if (f
->async_visible
!= 1)
4072 /* Definitely not obscured, so mark as visible. */
4073 f
->async_visible
= 1;
4074 f
->async_iconified
= 0;
4075 SET_FRAME_GARBAGED (f
);
4076 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4079 /* WM_PAINT serves as MapNotify as well, so report
4080 visibility changes properly. */
4083 inev
.kind
= DEICONIFY_EVENT
;
4084 XSETFRAME (inev
.frame_or_window
, f
);
4086 else if (! NILP (Vframe_list
)
4087 && ! NILP (XCDR (Vframe_list
)))
4088 /* Force a redisplay sooner or later to update the
4089 frame titles in case this is the second frame. */
4090 record_asynch_buffer_change ();
4094 HDC hdc
= get_frame_dc (f
);
4096 /* Erase background again for safety. */
4097 w32_clear_rect (f
, hdc
, &msg
.rect
);
4098 release_frame_dc (f
, hdc
);
4102 msg
.rect
.right
- msg
.rect
.left
,
4103 msg
.rect
.bottom
- msg
.rect
.top
);
4108 case WM_INPUTLANGCHANGE
:
4109 /* Generate a language change event. */
4110 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4112 /* lParam contains the input lang ID. Use it to update our
4113 record of the keyboard codepage. */
4114 keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4119 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4120 XSETFRAME (inev
.frame_or_window
, f
);
4121 inev
.code
= msg
.msg
.wParam
;
4122 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4128 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4130 if (f
&& !f
->iconified
)
4132 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4133 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4135 clear_mouse_face (hlinfo
);
4136 hlinfo
->mouse_face_hidden
= 1;
4139 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4141 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4142 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4143 inev
.code
= msg
.msg
.wParam
;
4144 inev
.modifiers
= msg
.dwModifiers
;
4145 XSETFRAME (inev
.frame_or_window
, f
);
4146 inev
.timestamp
= msg
.msg
.time
;
4153 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4155 if (f
&& !f
->iconified
)
4157 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4158 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4160 clear_mouse_face (hlinfo
);
4161 hlinfo
->mouse_face_hidden
= 1;
4164 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4166 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4168 inev
.modifiers
= msg
.dwModifiers
;
4169 XSETFRAME (inev
.frame_or_window
, f
);
4170 inev
.timestamp
= msg
.msg
.time
;
4172 if (msg
.msg
.message
== WM_UNICHAR
)
4174 inev
.code
= msg
.msg
.wParam
;
4176 else if (msg
.msg
.wParam
< 256)
4181 dbcs
[1] = (char) msg
.msg
.wParam
;
4185 dbcs
[0] = dbcs_lead
;
4187 if (!MultiByteToWideChar (keyboard_codepage
, 0,
4191 DebPrint (("Invalid DBCS sequence: %d %d\n",
4193 inev
.kind
= NO_EVENT
;
4197 else if (IsDBCSLeadByteEx (keyboard_codepage
,
4198 (BYTE
) msg
.msg
.wParam
))
4200 dbcs_lead
= (char) msg
.msg
.wParam
;
4201 inev
.kind
= NO_EVENT
;
4206 if (!MultiByteToWideChar (keyboard_codepage
, 0,
4207 &dbcs
[1], 1, &code
, 1))
4209 /* What to do with garbage? */
4210 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4211 inev
.kind
= NO_EVENT
;
4219 /* Windows shouldn't generate WM_CHAR events above 0xFF
4220 in non-Unicode message handlers. */
4221 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4222 inev
.kind
= NO_EVENT
;
4225 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4226 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4231 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4233 if (f
&& !f
->iconified
)
4235 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4236 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4238 clear_mouse_face (hlinfo
);
4239 hlinfo
->mouse_face_hidden
= 1;
4242 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4244 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4245 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4246 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4247 inev
.modifiers
= msg
.dwModifiers
;
4248 XSETFRAME (inev
.frame_or_window
, f
);
4249 inev
.timestamp
= msg
.msg
.time
;
4254 /* Ignore non-movement. */
4256 int x
= LOWORD (msg
.msg
.lParam
);
4257 int y
= HIWORD (msg
.msg
.lParam
);
4258 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4260 last_mousemove_x
= x
;
4261 last_mousemove_y
= y
;
4264 previous_help_echo_string
= help_echo_string
;
4265 help_echo_string
= Qnil
;
4267 if (dpyinfo
->grabbed
&& last_mouse_frame
4268 && FRAME_LIVE_P (last_mouse_frame
))
4269 f
= last_mouse_frame
;
4271 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4273 if (hlinfo
->mouse_face_hidden
)
4275 hlinfo
->mouse_face_hidden
= 0;
4276 clear_mouse_face (hlinfo
);
4281 /* Generate SELECT_WINDOW_EVENTs when needed. */
4282 if (!NILP (Vmouse_autoselect_window
))
4285 int x
= LOWORD (msg
.msg
.lParam
);
4286 int y
= HIWORD (msg
.msg
.lParam
);
4288 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4290 /* Window will be selected only when it is not
4291 selected now and last mouse movement event was
4292 not in it. Minibuffer window will be selected
4293 only when it is active. */
4294 if (WINDOWP (window
)
4295 && !EQ (window
, last_window
)
4296 && !EQ (window
, selected_window
)
4297 /* For click-to-focus window managers
4298 create event iff we don't leave the
4300 && (focus_follows_mouse
4301 || (EQ (XWINDOW (window
)->frame
,
4302 XWINDOW (selected_window
)->frame
))))
4304 inev
.kind
= SELECT_WINDOW_EVENT
;
4305 inev
.frame_or_window
= window
;
4308 last_window
= window
;
4310 if (!note_mouse_movement (f
, &msg
.msg
))
4311 help_echo_string
= previous_help_echo_string
;
4315 /* If we move outside the frame, then we're
4316 certainly no longer on any text in the frame. */
4317 clear_mouse_face (hlinfo
);
4320 /* If the contents of the global variable help_echo_string
4321 has changed, generate a HELP_EVENT. */
4322 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4323 But it was originally changed to this to fix a bug, so I have
4324 not removed it completely in case the bug is still there. */
4325 if (help_echo_string
!= previous_help_echo_string
||
4326 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4327 #else /* This is what xterm.c does. */
4328 if (!NILP (help_echo_string
)
4329 || !NILP (previous_help_echo_string
))
4334 case WM_LBUTTONDOWN
:
4336 case WM_MBUTTONDOWN
:
4338 case WM_RBUTTONDOWN
:
4340 case WM_XBUTTONDOWN
:
4343 /* If we decide we want to generate an event to be seen
4344 by the rest of Emacs, we put it here. */
4349 if (dpyinfo
->grabbed
&& last_mouse_frame
4350 && FRAME_LIVE_P (last_mouse_frame
))
4351 f
= last_mouse_frame
;
4353 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4357 construct_mouse_click (&inev
, &msg
, f
);
4359 /* Is this in the tool-bar? */
4360 if (WINDOWP (f
->tool_bar_window
)
4361 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4364 int x
= XFASTINT (inev
.x
);
4365 int y
= XFASTINT (inev
.y
);
4367 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4369 if (EQ (window
, f
->tool_bar_window
))
4371 w32_handle_tool_bar_click (f
, &inev
);
4377 || (dpyinfo
->w32_focus_frame
4378 && f
!= dpyinfo
->w32_focus_frame
))
4379 inev
.kind
= NO_EVENT
;
4382 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4387 dpyinfo
->grabbed
&= ~ (1 << button
);
4391 dpyinfo
->grabbed
|= (1 << button
);
4392 last_mouse_frame
= f
;
4393 /* Ignore any mouse motion that happened
4394 before this event; any subsequent mouse-movement
4395 Emacs events should reflect only motion after
4401 last_tool_bar_item
= -1;
4407 case WM_MOUSEHWHEEL
:
4409 if (dpyinfo
->grabbed
&& last_mouse_frame
4410 && FRAME_LIVE_P (last_mouse_frame
))
4411 f
= last_mouse_frame
;
4413 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4418 if (!dpyinfo
->w32_focus_frame
4419 || f
== dpyinfo
->w32_focus_frame
)
4421 /* Emit an Emacs wheel-up/down event. */
4422 construct_mouse_wheel (&inev
, &msg
, f
);
4424 /* Ignore any mouse motion that happened before this
4425 event; any subsequent mouse-movement Emacs events
4426 should reflect only motion after the
4430 last_mouse_frame
= f
;
4431 last_tool_bar_item
= -1;
4436 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4439 construct_drag_n_drop (&inev
, &msg
, f
);
4444 struct scroll_bar
*bar
=
4445 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4448 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4452 case WM_WINDOWPOSCHANGED
:
4453 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4456 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4457 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4459 check_visibility
= 1;
4463 case WM_ACTIVATEAPP
:
4464 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4466 x_check_fullscreen (f
);
4467 check_visibility
= 1;
4471 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4473 if (f
&& !f
->async_iconified
)
4477 x_real_positions (f
, &x
, &y
);
4482 check_visibility
= 1;
4486 /* wParam non-zero means Window is about to be shown, 0 means
4487 about to be hidden. */
4488 /* Redo the mouse-highlight after the tooltip has gone. */
4489 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4492 redo_mouse_highlight ();
4495 /* If window has been obscured or exposed by another window
4496 being maximised or minimised/restored, then recheck
4497 visibility of all frames. Direct changes to our own
4498 windows get handled by WM_SIZE. */
4500 if (msg
.msg
.lParam
!= 0)
4501 check_visibility
= 1;
4504 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4505 f
->async_visible
= msg
.msg
.wParam
;
4509 check_visibility
= 1;
4513 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4515 /* Inform lisp of whether frame has been iconified etc. */
4518 switch (msg
.msg
.wParam
)
4520 case SIZE_MINIMIZED
:
4521 f
->async_visible
= 0;
4522 f
->async_iconified
= 1;
4524 inev
.kind
= ICONIFY_EVENT
;
4525 XSETFRAME (inev
.frame_or_window
, f
);
4528 case SIZE_MAXIMIZED
:
4530 f
->async_visible
= 1;
4531 f
->async_iconified
= 0;
4533 /* wait_reading_process_output will notice this and update
4534 the frame's display structures. */
4535 SET_FRAME_GARBAGED (f
);
4541 /* Reset top and left positions of the Window
4542 here since Windows sends a WM_MOVE message
4543 BEFORE telling us the Window is minimized
4544 when the Window is iconified, with 3000,3000
4546 x_real_positions (f
, &x
, &y
);
4550 inev
.kind
= DEICONIFY_EVENT
;
4551 XSETFRAME (inev
.frame_or_window
, f
);
4553 else if (! NILP (Vframe_list
)
4554 && ! NILP (XCDR (Vframe_list
)))
4555 /* Force a redisplay sooner or later
4556 to update the frame titles
4557 in case this is the second frame. */
4558 record_asynch_buffer_change ();
4563 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4571 GetClientRect (msg
.msg
.hwnd
, &rect
);
4573 height
= rect
.bottom
- rect
.top
;
4574 width
= rect
.right
- rect
.left
;
4576 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4577 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4579 /* TODO: Clip size to the screen dimensions. */
4581 /* Even if the number of character rows and columns has
4582 not changed, the font size may have changed, so we need
4583 to check the pixel dimensions as well. */
4585 if (columns
!= FRAME_COLS (f
)
4586 || rows
!= FRAME_LINES (f
)
4587 || width
!= FRAME_PIXEL_WIDTH (f
)
4588 || height
!= FRAME_PIXEL_HEIGHT (f
))
4590 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4591 SET_FRAME_GARBAGED (f
);
4592 cancel_mouse_face (f
);
4593 FRAME_PIXEL_WIDTH (f
) = width
;
4594 FRAME_PIXEL_HEIGHT (f
) = height
;
4595 f
->win_gravity
= NorthWestGravity
;
4599 check_visibility
= 1;
4603 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4606 if (f
== hlinfo
->mouse_face_mouse_frame
)
4608 /* If we move outside the frame, then we're
4609 certainly no longer on any text in the frame. */
4610 clear_mouse_face (hlinfo
);
4611 hlinfo
->mouse_face_mouse_frame
= 0;
4614 /* Generate a nil HELP_EVENT to cancel a help-echo.
4615 Do it only if there's something to cancel.
4616 Otherwise, the startup message is cleared when
4617 the mouse leaves the frame. */
4618 if (any_help_event_p
)
4624 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4626 dpyinfo
->grabbed
= 0;
4627 check_visibility
= 1;
4631 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4635 if (f
== dpyinfo
->w32_focus_event_frame
)
4636 dpyinfo
->w32_focus_event_frame
= 0;
4638 if (f
== dpyinfo
->w32_focus_frame
)
4639 x_new_focus_frame (dpyinfo
, 0);
4641 if (f
== hlinfo
->mouse_face_mouse_frame
)
4643 /* If we move outside the frame, then we're
4644 certainly no longer on any text in the frame. */
4645 clear_mouse_face (hlinfo
);
4646 hlinfo
->mouse_face_mouse_frame
= 0;
4649 /* Generate a nil HELP_EVENT to cancel a help-echo.
4650 Do it only if there's something to cancel.
4651 Otherwise, the startup message is cleared when
4652 the mouse leaves the frame. */
4653 if (any_help_event_p
)
4657 dpyinfo
->grabbed
= 0;
4658 check_visibility
= 1;
4662 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4666 inev
.kind
= DELETE_WINDOW_EVENT
;
4667 XSETFRAME (inev
.frame_or_window
, f
);
4672 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4676 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4677 XSETFRAME (inev
.frame_or_window
, f
);
4682 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4686 extern void menubar_selection_callback
4687 (FRAME_PTR f
, void * client_data
);
4688 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4691 check_visibility
= 1;
4694 case WM_DISPLAYCHANGE
:
4695 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4699 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4700 DebPrint (("display change: %d %d\n",
4701 (short) LOWORD (msg
.msg
.lParam
),
4702 (short) HIWORD (msg
.msg
.lParam
)));
4705 check_visibility
= 1;
4709 /* Check for messages registered at runtime. */
4710 if (msg
.msg
.message
== msh_mousewheel
)
4712 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4713 msg
.msg
.message
= WM_MOUSEWHEEL
;
4719 if (inev
.kind
!= NO_EVENT
)
4721 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4726 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4731 XSETFRAME (frame
, f
);
4737 if (NILP (help_echo_string
))
4739 help_echo_object
= help_echo_window
= Qnil
;
4743 any_help_event_p
= 1;
4744 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4745 help_echo_object
, help_echo_pos
);
4749 help_echo_string
= Qnil
;
4750 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4756 /* If the focus was just given to an autoraising frame,
4758 /* ??? This ought to be able to handle more than one such frame. */
4759 if (pending_autoraise_frame
)
4761 x_raise_frame (pending_autoraise_frame
);
4762 pending_autoraise_frame
= 0;
4765 /* Check which frames are still visisble, if we have enqueued any user
4766 events or been notified of events that may affect visibility. We
4767 do this here because there doesn't seem to be any direct
4768 notification from Windows that the visibility of a window has
4769 changed (at least, not in all cases). */
4770 if (count
> 0 || check_visibility
)
4772 Lisp_Object tail
, frame
;
4774 FOR_EACH_FRAME (tail
, frame
)
4776 FRAME_PTR f
= XFRAME (frame
);
4777 /* The tooltip has been drawn already. Avoid the
4778 SET_FRAME_GARBAGED below. */
4779 if (EQ (frame
, tip_frame
))
4782 /* Check "visible" frames and mark each as obscured or not.
4783 Note that async_visible is nonzero for unobscured and
4784 obscured frames, but zero for hidden and iconified frames. */
4785 if (FRAME_W32_P (f
) && f
->async_visible
)
4791 /* Query clipping rectangle for the entire window area
4792 (GetWindowDC), not just the client portion (GetDC).
4793 Otherwise, the scrollbars and menubar aren't counted as
4794 part of the visible area of the frame, and we may think
4795 the frame is obscured when really a scrollbar is still
4796 visible and gets WM_PAINT messages above. */
4797 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4798 GetClipBox (hdc
, &clipbox
);
4799 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4802 if (clipbox
.right
== clipbox
.left
4803 || clipbox
.bottom
== clipbox
.top
)
4805 /* Frame has become completely obscured so mark as
4806 such (we do this by setting async_visible to 2 so
4807 that FRAME_VISIBLE_P is still true, but redisplay
4809 f
->async_visible
= 2;
4811 if (!FRAME_OBSCURED_P (f
))
4813 DebPrint (("frame %p (%s) obscured\n", f
,
4819 /* Frame is not obscured, so mark it as such. */
4820 f
->async_visible
= 1;
4822 if (FRAME_OBSCURED_P (f
))
4824 SET_FRAME_GARBAGED (f
);
4825 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4828 /* Force a redisplay sooner or later. */
4829 record_asynch_buffer_change ();
4842 /***********************************************************************
4844 ***********************************************************************/
4846 /* Set clipping for output in glyph row ROW. W is the window in which
4847 we operate. GC is the graphics context to set clipping in.
4849 ROW may be a text row or, e.g., a mode line. Text rows must be
4850 clipped to the interior of the window dedicated to text display,
4851 mode lines must be clipped to the whole window. */
4854 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
, int area
, HDC hdc
)
4856 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4858 int window_x
, window_y
, window_width
;
4860 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4862 clip_rect
.left
= window_x
;
4863 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4864 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4865 clip_rect
.right
= clip_rect
.left
+ window_width
;
4866 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4868 w32_set_clip_rectangle (hdc
, &clip_rect
);
4872 /* Draw a hollow box cursor on window W in glyph row ROW. */
4875 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
4877 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4881 struct glyph
*cursor_glyph
;
4882 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4884 /* Get the glyph the cursor is on. If we can't tell because
4885 the current matrix is invalid or such, give up. */
4886 cursor_glyph
= get_phys_cursor_glyph (w
);
4887 if (cursor_glyph
== NULL
)
4890 /* Compute frame-relative coordinates for phys cursor. */
4891 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4894 rect
.bottom
= rect
.top
+ h
;
4895 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4897 hdc
= get_frame_dc (f
);
4898 /* Set clipping, draw the rectangle, and reset clipping again. */
4899 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4900 FrameRect (hdc
, &rect
, hb
);
4902 w32_set_clip_rectangle (hdc
, NULL
);
4903 release_frame_dc (f
, hdc
);
4907 /* Draw a bar cursor on window W in glyph row ROW.
4909 Implementation note: One would like to draw a bar cursor with an
4910 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4911 Unfortunately, I didn't find a font yet that has this property set.
4915 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
4916 int width
, enum text_cursor_kinds kind
)
4918 struct frame
*f
= XFRAME (w
->frame
);
4919 struct glyph
*cursor_glyph
;
4921 /* If cursor is out of bounds, don't draw garbage. This can happen
4922 in mini-buffer windows when switching between echo area glyphs
4924 cursor_glyph
= get_phys_cursor_glyph (w
);
4925 if (cursor_glyph
== NULL
)
4928 /* If on an image, draw like a normal cursor. That's usually better
4929 visible than drawing a bar, esp. if the image is large so that
4930 the bar might not be in the window. */
4931 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4933 struct glyph_row
*row
;
4934 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4935 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4939 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4940 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4944 /* If the glyph's background equals the color we normally draw
4945 the bar cursor in, the bar cursor in its normal color is
4946 invisible. Use the glyph's foreground color instead in this
4947 case, on the assumption that the glyph's colors are chosen so
4948 that the glyph is legible. */
4949 if (face
->background
== cursor_color
)
4950 cursor_color
= face
->foreground
;
4952 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4954 hdc
= get_frame_dc (f
);
4955 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4957 if (kind
== BAR_CURSOR
)
4960 width
= FRAME_CURSOR_WIDTH (f
);
4961 width
= min (cursor_glyph
->pixel_width
, width
);
4963 w
->phys_cursor_width
= width
;
4965 /* If the character under cursor is R2L, draw the bar cursor
4966 on the right of its glyph, rather than on the left. */
4967 if ((cursor_glyph
->resolved_level
& 1) != 0)
4968 x
+= cursor_glyph
->pixel_width
- width
;
4970 w32_fill_area (f
, hdc
, cursor_color
, x
,
4971 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
4972 width
, row
->height
);
4976 int dummy_x
, dummy_y
, dummy_h
;
4979 width
= row
->height
;
4981 width
= min (row
->height
, width
);
4983 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
4984 &dummy_y
, &dummy_h
);
4985 w32_fill_area (f
, hdc
, cursor_color
, x
,
4986 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
4987 row
->height
- width
),
4988 w
->phys_cursor_width
, width
);
4991 w32_set_clip_rectangle (hdc
, NULL
);
4992 release_frame_dc (f
, hdc
);
4997 /* RIF: Define cursor CURSOR on frame F. */
5000 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5002 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5006 /* RIF: Clear area on frame F. */
5009 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5013 hdc
= get_frame_dc (f
);
5014 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5015 release_frame_dc (f
, hdc
);
5018 /* RIF: Draw or clear cursor on window W. */
5021 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5022 int x
, int y
, int cursor_type
, int cursor_width
,
5023 int on_p
, int active_p
)
5027 /* If the user wants to use the system caret, make sure our own
5028 cursor remains invisible. */
5029 if (w32_use_visible_system_caret
)
5031 /* Call to erase_phys_cursor here seems to use the
5032 wrong values of w->phys_cursor, as they have been
5033 overwritten before this function was called. */
5034 if (w
->phys_cursor_type
!= NO_CURSOR
)
5035 erase_phys_cursor (w
);
5037 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5038 w
->phys_cursor_width
= -1;
5042 w
->phys_cursor_type
= cursor_type
;
5045 w
->phys_cursor_on_p
= 1;
5047 /* If this is the active cursor, we need to track it with the
5048 system caret, so third party software like screen magnifiers
5049 and speech synthesizers can follow the cursor. */
5052 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5053 HWND hwnd
= FRAME_W32_WINDOW (f
);
5056 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5058 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5059 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5061 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5063 /* If the size of the active cursor changed, destroy the old
5065 if (w32_system_caret_hwnd
5066 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5067 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5069 w32_system_caret_height
= w
->phys_cursor_height
;
5071 /* Move the system caret. */
5072 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5075 if (glyph_row
->exact_window_width_line_p
5076 && (glyph_row
->reversed_p
5077 ? (w
->phys_cursor
.hpos
< 0)
5078 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5080 glyph_row
->cursor_in_fringe_p
= 1;
5081 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5085 switch (cursor_type
)
5087 case HOLLOW_BOX_CURSOR
:
5088 x_draw_hollow_cursor (w
, glyph_row
);
5091 case FILLED_BOX_CURSOR
:
5092 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5096 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5100 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5104 w
->phys_cursor_width
= 0;
5118 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5121 HANDLE small_icon
= NULL
;
5123 if (FRAME_W32_WINDOW (f
) == 0)
5127 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5128 else if (STRINGP (icon
))
5130 /* Load the main icon from the named file. */
5131 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5132 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5133 /* Try to load a small icon to go with it. */
5134 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5135 GetSystemMetrics (SM_CXSMICON
),
5136 GetSystemMetrics (SM_CYSMICON
),
5139 else if (SYMBOLP (icon
))
5143 if (EQ (icon
, intern ("application")))
5144 name
= (LPCTSTR
) IDI_APPLICATION
;
5145 else if (EQ (icon
, intern ("hand")))
5146 name
= (LPCTSTR
) IDI_HAND
;
5147 else if (EQ (icon
, intern ("question")))
5148 name
= (LPCTSTR
) IDI_QUESTION
;
5149 else if (EQ (icon
, intern ("exclamation")))
5150 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5151 else if (EQ (icon
, intern ("asterisk")))
5152 name
= (LPCTSTR
) IDI_ASTERISK
;
5153 else if (EQ (icon
, intern ("winlogo")))
5154 name
= (LPCTSTR
) IDI_WINLOGO
;
5158 main_icon
= LoadIcon (NULL
, name
);
5163 if (main_icon
== NULL
)
5166 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5167 (LPARAM
) main_icon
);
5169 /* If there is a small icon that goes with it, set that too. */
5171 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5172 (LPARAM
) small_icon
);
5178 /************************************************************************
5180 ************************************************************************/
5182 /* Display Error Handling functions not used on W32. Listing them here
5183 helps diff stay in step when comparing w32term.c with xterm.c.
5185 x_error_catcher (display, error)
5186 x_catch_errors (dpy)
5187 x_catch_errors_unwind (old_val)
5188 x_check_errors (dpy, format)
5189 x_fully_uncatch_errors ()
5190 x_catching_errors ()
5191 x_had_errors_p (dpy)
5192 x_clear_errors (dpy)
5193 x_uncatch_errors (dpy, count)
5195 x_connection_signal (signalnum)
5196 x_connection_closed (dpy, error_message)
5197 x_error_quitter (display, error)
5198 x_error_handler (display, error)
5199 x_io_error_quitter (display)
5204 /* Changing the font of the frame. */
5207 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5209 struct font
*font
= XFONT_OBJECT (font_object
);
5212 fontset
= fontset_from_font (font_object
);
5213 FRAME_FONTSET (f
) = fontset
;
5214 if (FRAME_FONT (f
) == font
)
5215 /* This font is already set in frame F. There's nothing more to
5219 FRAME_FONT (f
) = font
;
5220 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5221 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5222 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5223 FRAME_LINE_HEIGHT (f
) = font
->height
;
5225 compute_fringe_widths (f
, 1);
5227 /* Compute the scroll bar width in character columns. */
5228 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5230 int wid
= FRAME_COLUMN_WIDTH (f
);
5231 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5232 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5236 int wid
= FRAME_COLUMN_WIDTH (f
);
5237 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5240 /* Now make the frame display the given font. */
5241 if (FRAME_X_WINDOW (f
) != 0)
5243 /* Don't change the size of a tip frame; there's no point in
5244 doing it because it's done in Fx_show_tip, and it leads to
5245 problems because the tip frame has no widget. */
5246 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5247 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5250 /* X version sets font of input methods here also. */
5256 /***********************************************************************
5257 TODO: W32 Input Methods
5258 ***********************************************************************/
5259 /* Listing missing functions from xterm.c helps diff stay in step.
5261 xim_destroy_callback (xim, client_data, call_data)
5262 xim_open_dpy (dpyinfo, resource_name)
5264 xim_instantiate_callback (display, client_data, call_data)
5265 xim_initialize (dpyinfo, resource_name)
5266 xim_close_dpy (dpyinfo)
5271 /* Calculate the absolute position in frame F
5272 from its current recorded position values and gravity. */
5275 x_calc_absolute_position (struct frame
*f
)
5277 int flags
= f
->size_hint_flags
;
5279 /* The sum of the widths of the frame's left and right borders, and
5280 the sum of the heights of the frame's top and bottom borders (in
5281 pixels) drawn by Windows. */
5282 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5284 /* Try to get the actual values of these two variables. We compute
5285 the border width (height) by subtracting the width (height) of
5286 the frame's client area from the width (height) of the frame's
5288 WINDOWPLACEMENT wp
= { 0 };
5289 RECT client_rect
= { 0 };
5291 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5292 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5294 left_right_borders_width
=
5295 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5296 (client_rect
.right
- client_rect
.left
);
5298 top_bottom_borders_height
=
5299 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5300 (client_rect
.bottom
- client_rect
.top
);
5304 /* Use sensible default values. */
5305 left_right_borders_width
= 8;
5306 top_bottom_borders_height
= 32;
5309 /* Treat negative positions as relative to the rightmost bottommost
5310 position that fits on the screen. */
5311 if (flags
& XNegative
)
5312 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5313 - FRAME_PIXEL_WIDTH (f
)
5315 - (left_right_borders_width
- 1));
5317 if (flags
& YNegative
)
5318 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5319 - FRAME_PIXEL_HEIGHT (f
)
5321 - (top_bottom_borders_height
- 1));
5323 /* The left_pos and top_pos are now relative to the top and left
5324 screen edges, so the flags should correspond. */
5325 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5328 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5329 to really change the position, and 0 when calling from
5330 x_make_frame_visible (in that case, XOFF and YOFF are the current
5331 position values). It is -1 when calling from x_set_frame_parameters,
5332 which means, do adjust for borders but don't change the gravity. */
5335 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5338 int modified_top
, modified_left
;
5340 if (change_gravity
> 0)
5344 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5346 f
->size_hint_flags
|= XNegative
;
5348 f
->size_hint_flags
|= YNegative
;
5349 f
->win_gravity
= NorthWestGravity
;
5351 x_calc_absolute_position (f
);
5354 x_wm_set_size_hint (f
, (long) 0, 0);
5356 modified_left
= f
->left_pos
;
5357 modified_top
= f
->top_pos
;
5359 my_set_window_pos (FRAME_W32_WINDOW (f
),
5361 modified_left
, modified_top
,
5363 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5368 /* Check if we need to resize the frame due to a fullscreen request.
5369 If so needed, resize the frame. */
5371 x_check_fullscreen (struct frame
*f
)
5373 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5375 int width
, height
, ign
;
5377 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5379 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5381 /* We do not need to move the window, it shall be taken care of
5382 when setting WM manager hints. */
5383 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5385 change_frame_size (f
, height
, width
, 0, 1, 0);
5386 SET_FRAME_GARBAGED (f
);
5387 cancel_mouse_face (f
);
5389 /* Wait for the change of frame size to occur */
5390 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5395 /* Call this to change the size of frame F's x-window.
5396 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5397 for this size change and subsequent size changes.
5398 Otherwise we leave the window gravity unchanged. */
5401 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5403 int pixelwidth
, pixelheight
;
5407 check_frame_size (f
, &rows
, &cols
);
5408 f
->scroll_bar_actual_width
5409 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5411 compute_fringe_widths (f
, 0);
5413 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5414 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5416 f
->win_gravity
= NorthWestGravity
;
5417 x_wm_set_size_hint (f
, (long) 0, 0);
5422 rect
.left
= rect
.top
= 0;
5423 rect
.right
= pixelwidth
;
5424 rect
.bottom
= pixelheight
;
5426 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5427 FRAME_EXTERNAL_MENU_BAR (f
));
5429 my_set_window_pos (FRAME_W32_WINDOW (f
),
5432 rect
.right
- rect
.left
,
5433 rect
.bottom
- rect
.top
,
5434 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5438 /* The following mirrors what is done in xterm.c. It appears to be
5439 for informing lisp of the new size immediately, while the actual
5440 resize will happen asynchronously. But on Windows, the menu bar
5441 automatically wraps when the frame is too narrow to contain it,
5442 and that causes any calculations made here to come out wrong. The
5443 end is some nasty buggy behavior, including the potential loss
5446 Disabling this code is either not sufficient to fix the problems
5447 completely, or it causes fresh problems, but at least it removes
5448 the most problematic symptom of the minibuffer becoming unusable.
5450 -----------------------------------------------------------------
5452 Now, strictly speaking, we can't be sure that this is accurate,
5453 but the window manager will get around to dealing with the size
5454 change request eventually, and we'll hear how it went when the
5455 ConfigureNotify event gets here.
5457 We could just not bother storing any of this information here,
5458 and let the ConfigureNotify event set everything up, but that
5459 might be kind of confusing to the Lisp code, since size changes
5460 wouldn't be reported in the frame parameters until some random
5461 point in the future when the ConfigureNotify event arrives.
5463 We pass 1 for DELAY since we can't run Lisp code inside of
5465 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5466 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5467 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5469 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5470 receive in the ConfigureNotify event; if we get what we asked
5471 for, then the event won't cause the screen to become garbaged, so
5472 we have to make sure to do it here. */
5473 SET_FRAME_GARBAGED (f
);
5475 /* If cursor was outside the new size, mark it as off. */
5476 mark_window_cursors_off (XWINDOW (f
->root_window
));
5478 /* Clear out any recollection of where the mouse highlighting was,
5479 since it might be in a place that's outside the new frame size.
5480 Actually checking whether it is outside is a pain in the neck,
5481 so don't try--just let the highlighting be done afresh with new size. */
5482 cancel_mouse_face (f
);
5488 /* Mouse warping. */
5490 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5493 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5497 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5498 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5500 if (pix_x
< 0) pix_x
= 0;
5501 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5503 if (pix_y
< 0) pix_y
= 0;
5504 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5506 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5510 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5517 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5518 pt
.x
= rect
.left
+ pix_x
;
5519 pt
.y
= rect
.top
+ pix_y
;
5520 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5522 SetCursorPos (pt
.x
, pt
.y
);
5528 /* focus shifting, raising and lowering. */
5531 x_focus_on_frame (struct frame
*f
)
5533 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5535 /* Give input focus to frame. */
5538 /* Try not to change its Z-order if possible. */
5539 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5540 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5543 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5548 x_unfocus_frame (struct frame
*f
)
5552 /* Raise frame F. */
5554 x_raise_frame (struct frame
*f
)
5558 /* Strictly speaking, raise-frame should only change the frame's Z
5559 order, leaving input focus unchanged. This is reasonable behavior
5560 on X where the usual policy is point-to-focus. However, this
5561 behavior would be very odd on Windows where the usual policy is
5564 On X, if the mouse happens to be over the raised frame, it gets
5565 input focus anyway (so the window with focus will never be
5566 completely obscured) - if not, then just moving the mouse over it
5567 is sufficient to give it focus. On Windows, the user must actually
5568 click on the frame (preferrably the title bar so as not to move
5569 point), which is more awkward. Also, no other Windows program
5570 raises a window to the top but leaves another window (possibly now
5571 completely obscured) with input focus.
5573 Because there is a system setting on Windows that allows the user
5574 to choose the point to focus policy, we make the strict semantics
5575 optional, but by default we grab focus when raising. */
5577 if (NILP (Vw32_grab_focus_on_raise
))
5579 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5580 not already the foreground application: the frame is raised
5581 above all other frames belonging to us, but not above the
5582 current top window. To achieve that, we have to resort to this
5583 more cumbersome method. */
5585 HDWP handle
= BeginDeferWindowPos (2);
5588 DeferWindowPos (handle
,
5589 FRAME_W32_WINDOW (f
),
5592 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5594 DeferWindowPos (handle
,
5595 GetForegroundWindow (),
5596 FRAME_W32_WINDOW (f
),
5598 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5600 EndDeferWindowPos (handle
);
5605 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5611 /* Lower frame F. */
5613 x_lower_frame (struct frame
*f
)
5616 my_set_window_pos (FRAME_W32_WINDOW (f
),
5619 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5624 w32_frame_raise_lower (FRAME_PTR f
, int raise_flag
)
5626 if (! FRAME_W32_P (f
))
5635 /* Change of visibility. */
5637 /* This tries to wait until the frame is really visible.
5638 However, if the window manager asks the user where to position
5639 the frame, this will return before the user finishes doing that.
5640 The frame will not actually be visible at that time,
5641 but it will become visible later when the window manager
5642 finishes with it. */
5645 x_make_frame_visible (struct frame
*f
)
5651 type
= x_icon_type (f
);
5653 x_bitmap_icon (f
, type
);
5655 if (! FRAME_VISIBLE_P (f
))
5657 /* We test FRAME_GARBAGED_P here to make sure we don't
5658 call x_set_offset a second time
5659 if we get to x_make_frame_visible a second time
5660 before the window gets really visible. */
5661 if (! FRAME_ICONIFIED_P (f
)
5662 && ! f
->output_data
.w32
->asked_for_visible
)
5667 /* Adjust vertical window position in order to avoid being
5668 covered by a task bar placed at the bottom of the desktop. */
5669 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5670 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5671 if (window_rect
.bottom
> workarea_rect
.bottom
5672 && window_rect
.top
> workarea_rect
.top
)
5673 f
->top_pos
= max (window_rect
.top
5674 - window_rect
.bottom
+ workarea_rect
.bottom
,
5677 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5680 f
->output_data
.w32
->asked_for_visible
= 1;
5682 /* The first of these seems to give more expected behavior, but
5683 was added as a commented out line in Sept 1997, with the
5684 second version remaining uncommented. There may have been
5685 some problem with it that led to it not being enabled,
5686 so the old version remains commented out below in case we
5687 decide we need to go back to it [23.0.60 2008-06-09]. */
5688 my_show_window (f
, FRAME_W32_WINDOW (f
),
5689 f
->async_iconified
? SW_RESTORE
: SW_SHOW
);
5690 /* my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); */
5693 /* Synchronize to ensure Emacs knows the frame is visible
5694 before we do anything else. We do this loop with input not blocked
5695 so that incoming events are handled. */
5700 /* This must come after we set COUNT. */
5703 XSETFRAME (frame
, f
);
5705 /* Wait until the frame is visible. Process X events until a
5706 MapNotify event has been seen, or until we think we won't get a
5707 MapNotify at all.. */
5708 for (count
= input_signal_count
+ 10;
5709 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5711 /* Force processing of queued events. */
5712 /* TODO: x_sync equivalent? */
5714 /* Machines that do polling rather than SIGIO have been observed
5715 to go into a busy-wait here. So we'll fake an alarm signal
5716 to let the handler know that there's something to be read.
5717 We used to raise a real alarm, but it seems that the handler
5718 isn't always enabled here. This is probably a bug. */
5719 if (input_polling_used ())
5721 /* It could be confusing if a real alarm arrives while processing
5722 the fake one. Turn it off and let the handler reset it. */
5723 int old_poll_suppress_count
= poll_suppress_count
;
5724 poll_suppress_count
= 1;
5725 poll_for_input_1 ();
5726 poll_suppress_count
= old_poll_suppress_count
;
5729 FRAME_SAMPLE_VISIBILITY (f
);
5733 /* Change from mapped state to withdrawn state. */
5735 /* Make the frame visible (mapped and not iconified). */
5738 x_make_frame_invisible (struct frame
*f
)
5740 /* Don't keep the highlight on an invisible frame. */
5741 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5742 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5746 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5748 /* We can't distinguish this from iconification
5749 just by the event that we get from the server.
5750 So we can't win using the usual strategy of letting
5751 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5752 and synchronize with the server to make sure we agree. */
5754 FRAME_ICONIFIED_P (f
) = 0;
5755 f
->async_visible
= 0;
5756 f
->async_iconified
= 0;
5761 /* Change window state from mapped to iconified. */
5764 x_iconify_frame (struct frame
*f
)
5768 /* Don't keep the highlight on an invisible frame. */
5769 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5770 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5772 if (f
->async_iconified
)
5777 type
= x_icon_type (f
);
5779 x_bitmap_icon (f
, type
);
5781 /* Simulate the user minimizing the frame. */
5782 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5788 /* Free X resources of frame F. */
5791 x_free_frame_resources (struct frame
*f
)
5793 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5794 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
5798 /* We must free faces before destroying windows because some
5799 font-driver (e.g. xft) access a window while finishing a
5801 if (FRAME_FACE_CACHE (f
))
5802 free_frame_faces (f
);
5804 if (FRAME_W32_WINDOW (f
))
5805 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5807 free_frame_menubar (f
);
5809 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5810 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5811 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5812 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5813 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5814 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5815 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5816 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5817 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5818 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5820 if (FRAME_FACE_CACHE (f
))
5821 free_frame_faces (f
);
5823 xfree (f
->output_data
.w32
);
5824 f
->output_data
.w32
= NULL
;
5826 if (f
== dpyinfo
->w32_focus_frame
)
5827 dpyinfo
->w32_focus_frame
= 0;
5828 if (f
== dpyinfo
->w32_focus_event_frame
)
5829 dpyinfo
->w32_focus_event_frame
= 0;
5830 if (f
== dpyinfo
->x_highlight_frame
)
5831 dpyinfo
->x_highlight_frame
= 0;
5833 if (f
== hlinfo
->mouse_face_mouse_frame
)
5835 hlinfo
->mouse_face_beg_row
5836 = hlinfo
->mouse_face_beg_col
= -1;
5837 hlinfo
->mouse_face_end_row
5838 = hlinfo
->mouse_face_end_col
= -1;
5839 hlinfo
->mouse_face_window
= Qnil
;
5840 hlinfo
->mouse_face_deferred_gc
= 0;
5841 hlinfo
->mouse_face_mouse_frame
= 0;
5848 /* Destroy the window of frame F. */
5850 x_destroy_window (struct frame
*f
)
5852 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5854 x_free_frame_resources (f
);
5855 dpyinfo
->reference_count
--;
5859 /* Setting window manager hints. */
5861 /* Set the normal size hints for the window manager, for frame F.
5862 FLAGS is the flags word to use--or 0 meaning preserve the flags
5863 that the window now has.
5864 If USER_POSITION is nonzero, we set the USPosition
5865 flag (this is useful when FLAGS is 0). */
5867 x_wm_set_size_hint (struct frame
*f
, long flags
, int user_position
)
5869 Window window
= FRAME_W32_WINDOW (f
);
5873 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5874 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5875 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5876 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5881 /* Window manager things */
5883 x_wm_set_icon_position (struct frame
*f
, int icon_x
, int icon_y
)
5886 Window window
= FRAME_W32_WINDOW (f
);
5888 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5889 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5890 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5892 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5897 /***********************************************************************
5899 ***********************************************************************/
5901 static int w32_initialized
= 0;
5904 w32_initialize_display_info (Lisp_Object display_name
)
5906 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5907 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
5909 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
5911 /* Put it on w32_display_name_list. */
5912 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5913 w32_display_name_list
);
5914 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
5916 dpyinfo
->w32_id_name
5917 = (char *) xmalloc (SCHARS (Vinvocation_name
)
5918 + SCHARS (Vsystem_name
)
5920 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
5921 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
5923 /* Default Console mode values - overridden when running in GUI mode
5924 with values obtained from system metrics. */
5927 dpyinfo
->n_planes
= 1;
5928 dpyinfo
->n_cbits
= 4;
5929 dpyinfo
->n_fonts
= 0;
5930 dpyinfo
->smallest_font_height
= 1;
5931 dpyinfo
->smallest_char_width
= 1;
5933 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
5934 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
5935 hlinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
5936 hlinfo
->mouse_face_window
= Qnil
;
5937 hlinfo
->mouse_face_overlay
= Qnil
;
5938 hlinfo
->mouse_face_hidden
= 0;
5940 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
5941 /* TODO: dpyinfo->gray */
5945 /* Create an xrdb-style database of resources to supercede registry settings.
5946 The database is just a concatenation of C strings, finished by an additional
5947 \0. The strings are submitted to some basic normalization, so
5949 [ *]option[ *]:[ *]value...
5955 but any whitespace following value is not removed. */
5958 w32_make_rdb (char *xrm_option
)
5960 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
5961 char *current
= buffer
;
5964 int before_value
= 0;
5978 if (in_option
&& (ch
== ':'))
5983 else if (before_value
)
5988 else if (!(in_option
|| before_value
))
6000 x_flush (struct frame
* f
)
6001 { /* Nothing to do */ }
6004 extern frame_parm_handler w32_frame_parm_handlers
[];
6006 static struct redisplay_interface w32_redisplay_interface
=
6008 w32_frame_parm_handlers
,
6012 x_clear_end_of_line
,
6014 x_after_update_window_line
,
6015 x_update_window_begin
,
6016 x_update_window_end
,
6019 0, /* flush_display_optional */
6020 x_clear_window_mouse_face
,
6021 x_get_glyph_overhangs
,
6022 x_fix_overlapping_area
,
6023 w32_draw_fringe_bitmap
,
6024 w32_define_fringe_bitmap
,
6025 w32_destroy_fringe_bitmap
,
6026 w32_compute_glyph_string_overhangs
,
6027 x_draw_glyph_string
,
6028 w32_define_frame_cursor
,
6029 w32_clear_frame_area
,
6030 w32_draw_window_cursor
,
6031 w32_draw_vertical_window_border
,
6032 w32_shift_glyphs_for_insert
6035 static void x_delete_terminal (struct terminal
*term
);
6037 static struct terminal
*
6038 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6040 struct terminal
*terminal
;
6042 terminal
= create_terminal ();
6044 terminal
->type
= output_w32
;
6045 terminal
->display_info
.w32
= dpyinfo
;
6046 dpyinfo
->terminal
= terminal
;
6048 /* MSVC does not type K&R functions with no arguments correctly, and
6049 so we must explicitly cast them. */
6050 terminal
->clear_frame_hook
= x_clear_frame
;
6051 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6052 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6053 terminal
->ring_bell_hook
= w32_ring_bell
;
6054 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6055 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6056 terminal
->update_begin_hook
= x_update_begin
;
6057 terminal
->update_end_hook
= x_update_end
;
6058 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6059 terminal
->read_socket_hook
= w32_read_socket
;
6060 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6061 terminal
->mouse_position_hook
= w32_mouse_position
;
6062 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6063 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6064 // terminal->fullscreen_hook = XTfullscreen_hook;
6065 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6066 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6067 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6068 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6070 terminal
->delete_frame_hook
= x_destroy_window
;
6071 terminal
->delete_terminal_hook
= x_delete_terminal
;
6073 terminal
->rif
= &w32_redisplay_interface
;
6074 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6075 terminal
->char_ins_del_ok
= 1;
6076 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6077 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6078 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6081 /* We don't yet support separate terminals on W32, so don't try to share
6082 keyboards between virtual terminals that are on the same physical
6083 terminal like X does. */
6084 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6085 init_kboard (terminal
->kboard
);
6086 terminal
->kboard
->Vwindow_system
= intern ("w32");
6087 terminal
->kboard
->next_kboard
= all_kboards
;
6088 all_kboards
= terminal
->kboard
;
6089 /* Don't let the initial kboard remain current longer than necessary.
6090 That would cause problems if a file loaded on startup tries to
6091 prompt in the mini-buffer. */
6092 if (current_kboard
== initial_kboard
)
6093 current_kboard
= terminal
->kboard
;
6094 terminal
->kboard
->reference_count
++;
6100 x_delete_terminal (struct terminal
*terminal
)
6102 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6105 /* Protect against recursive calls. delete_frame in
6106 delete_terminal calls us back when it deletes our last frame. */
6107 if (!terminal
->name
)
6112 x_delete_display (dpyinfo
);
6116 struct w32_display_info
*
6117 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6119 struct w32_display_info
*dpyinfo
;
6120 struct terminal
*terminal
;
6125 if (!w32_initialized
)
6128 w32_initialized
= 1;
6131 w32_initialize_display_info (display_name
);
6133 dpyinfo
= &one_w32_display_info
;
6134 terminal
= w32_create_terminal (dpyinfo
);
6136 /* Set the name of the terminal. */
6137 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6138 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6139 terminal
->name
[SBYTES (display_name
)] = 0;
6141 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6143 /* Put this display on the chain. */
6144 dpyinfo
->next
= x_display_list
;
6145 x_display_list
= dpyinfo
;
6149 dpyinfo
->root_window
= GetDesktopWindow ();
6150 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6151 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6152 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6153 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6154 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6155 ReleaseDC (NULL
, hdc
);
6157 /* initialise palette with white and black */
6160 w32_defined_color (0, "white", &color
, 1);
6161 w32_defined_color (0, "black", &color
, 1);
6164 /* Add the default keyboard. */
6165 add_keyboard_wait_descriptor (0);
6167 /* Create Fringe Bitmaps and store them for later use.
6169 On W32, bitmaps are all unsigned short, as Windows requires
6170 bitmap data to be Word aligned. For some reason they are
6171 horizontally reflected compared to how they appear on X, so we
6172 need to bitswap and convert to unsigned shorts before creating
6174 w32_init_fringe (terminal
->rif
);
6177 fcntl (connection
, F_SETOWN
, getpid ());
6178 #endif /* ! defined (F_SETOWN) */
6181 if (interrupt_input
)
6182 init_sigio (connection
);
6183 #endif /* ! defined (SIGIO) */
6190 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6192 x_delete_display (struct w32_display_info
*dpyinfo
)
6194 /* Discard this display from w32_display_name_list and w32_display_list.
6195 We can't use Fdelq because that can quit. */
6196 if (! NILP (w32_display_name_list
)
6197 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6198 w32_display_name_list
= XCDR (w32_display_name_list
);
6203 tail
= w32_display_name_list
;
6204 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6206 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6208 XSETCDR (tail
, XCDR (XCDR (tail
)));
6215 /* free palette table */
6217 struct w32_palette_entry
* plist
;
6219 plist
= dpyinfo
->color_list
;
6222 struct w32_palette_entry
* pentry
= plist
;
6223 plist
= plist
->next
;
6226 dpyinfo
->color_list
= NULL
;
6227 if (dpyinfo
->palette
)
6228 DeleteObject (dpyinfo
->palette
);
6230 xfree (dpyinfo
->w32_id_name
);
6232 w32_reset_fringes ();
6235 /* Set up use of W32. */
6237 DWORD WINAPI
w32_msg_worker (void * arg
);
6240 w32_initialize (void)
6243 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6247 w32_system_caret_hwnd
= NULL
;
6248 w32_system_caret_height
= 0;
6249 w32_system_caret_x
= 0;
6250 w32_system_caret_y
= 0;
6252 /* On Windows 7 and later, we need to set the user model ID
6253 to associate emacsclient launched files with Emacs frames
6255 shell
= GetModuleHandle ("shell32.dll");
6259 = (void *) GetProcAddress (shell
,
6260 "SetCurrentProcessExplicitAppUserModelID");
6262 /* If the function is defined, then we are running on Windows 7
6263 or newer, and the UI uses this to group related windows
6264 together. Since emacs, runemacs, emacsclient are related, we
6265 want them grouped even though the executables are different,
6266 so we need to set a consistent ID between them. */
6268 set_user_model (L
"GNU.Emacs");
6271 /* Initialize w32_use_visible_system_caret based on whether a screen
6272 reader is in use. */
6273 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6274 &w32_use_visible_system_caret
, 0))
6275 w32_use_visible_system_caret
= 0;
6277 last_tool_bar_item
= -1;
6278 any_help_event_p
= 0;
6280 /* Initialize input mode: interrupt_input off, no flow control, allow
6281 8 bit character input, standard quit char. */
6282 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6285 DWORD input_locale_id
= (DWORD
) GetKeyboardLayout (0);
6286 keyboard_codepage
= codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6289 /* Create the window thread - it will terminate itself when the app
6293 dwMainThreadId
= GetCurrentThreadId ();
6294 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6295 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6297 /* Wait for thread to start */
6301 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6303 hWindowsThread
= CreateThread (NULL
, 0,
6305 0, 0, &dwWindowsThreadId
);
6307 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6310 /* It is desirable that mainThread should have the same notion of
6311 focus window and active window as windowsThread. Unfortunately, the
6312 following call to AttachThreadInput, which should do precisely what
6313 we need, causes major problems when Emacs is linked as a console
6314 program. Unfortunately, we have good reasons for doing that, so
6315 instead we need to send messages to windowsThread to make some API
6316 calls for us (ones that affect, or depend on, the active/focus
6318 #ifdef ATTACH_THREADS
6319 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6322 /* Dynamically link to optional system components. */
6324 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6326 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6328 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6332 /* Ensure scrollbar handle is at least 5 pixels. */
6333 vertical_scroll_bar_min_handle
= 5;
6335 /* For either kind of scroll bar, take account of the arrows; these
6336 effectively form the border of the main scroll bar range. */
6337 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6338 = GetSystemMetrics (SM_CYVSCROLL
);
6343 syms_of_w32term (void)
6345 staticpro (&w32_display_name_list
);
6346 w32_display_name_list
= Qnil
;
6348 staticpro (&last_mouse_scroll_bar
);
6349 last_mouse_scroll_bar
= Qnil
;
6351 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6353 DEFVAR_INT ("w32-num-mouse-buttons",
6354 w32_num_mouse_buttons
,
6355 doc
: /* Number of physical mouse buttons. */);
6356 w32_num_mouse_buttons
= 2;
6358 DEFVAR_LISP ("w32-swap-mouse-buttons",
6359 Vw32_swap_mouse_buttons
,
6360 doc
: /* Swap the mapping of middle and right mouse buttons.
6361 When nil, middle button is mouse-2 and right button is mouse-3. */);
6362 Vw32_swap_mouse_buttons
= Qnil
;
6364 DEFVAR_LISP ("w32-grab-focus-on-raise",
6365 Vw32_grab_focus_on_raise
,
6366 doc
: /* Raised frame grabs input focus.
6367 When t, `raise-frame' grabs input focus as well. This fits well
6368 with the normal Windows click-to-focus policy, but might not be
6369 desirable when using a point-to-focus policy. */);
6370 Vw32_grab_focus_on_raise
= Qt
;
6372 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6373 Vw32_capslock_is_shiftlock
,
6374 doc
: /* Apply CapsLock state to non character input keys.
6375 When nil, CapsLock only affects normal character input keys. */);
6376 Vw32_capslock_is_shiftlock
= Qnil
;
6378 DEFVAR_LISP ("w32-recognize-altgr",
6379 Vw32_recognize_altgr
,
6380 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6381 When nil, the right-alt and left-ctrl key combination is
6382 interpreted normally. */);
6383 Vw32_recognize_altgr
= Qt
;
6385 DEFVAR_BOOL ("w32-use-visible-system-caret",
6386 w32_use_visible_system_caret
,
6387 doc
: /* Flag to make the system caret visible.
6388 When this is non-nil, Emacs will indicate the position of point by
6389 using the system caret instead of drawing its own cursor. Some screen
6390 reader software does not track the system cursor properly when it is
6391 invisible, and gets confused by Emacs drawing its own cursor, so this
6392 variable is initialized to t when Emacs detects that screen reader
6393 software is running as it starts up.
6395 When this variable is set, other variables affecting the appearance of
6396 the cursor have no effect. */);
6398 w32_use_visible_system_caret
= 0;
6400 /* We don't yet support this, but defining this here avoids whining
6401 from cus-start.el and other places, like "M-x set-variable". */
6402 DEFVAR_BOOL ("x-use-underline-position-properties",
6403 x_use_underline_position_properties
,
6404 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6405 A value of nil means ignore them. If you encounter fonts with bogus
6406 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6407 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6408 to override the font's UNDERLINE_POSITION for small font display
6410 x_use_underline_position_properties
= 0;
6412 DEFVAR_BOOL ("x-underline-at-descent-line",
6413 x_underline_at_descent_line
,
6414 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6415 A value of nil means to draw the underline according to the value of the
6416 variable `x-use-underline-position-properties', which is usually at the
6417 baseline level. The default value is nil. */);
6418 x_underline_at_descent_line
= 0;
6420 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6421 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6422 A value of nil means Emacs doesn't use toolkit scroll bars.
6423 With the X Window system, the value is a symbol describing the
6424 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6425 With MS Windows, the value is t. */);
6426 Vx_toolkit_scroll_bars
= Qt
;
6428 staticpro (&last_mouse_motion_frame
);
6429 last_mouse_motion_frame
= Qnil
;