1 /* Implementation of GUI terminal on the Microsoft W32 API.
3 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
4 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
5 Free Software Foundation, Inc.
7 This file is part of GNU Emacs.
9 GNU Emacs is free software: you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation, either version 3 of the License, or
12 (at your option) any later version.
14 GNU Emacs is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
27 #include "blockinput.h"
39 #include "character.h"
43 #include "dispextern.h"
45 #include "termhooks.h"
52 #include "intervals.h"
65 static int max_fringe_bmp
= 0;
66 static HBITMAP
*fringe_bmp
= 0;
68 /* Temporary variables for w32_read_socket. */
70 static int last_mousemove_x
= 0;
71 static int last_mousemove_y
= 0;
73 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
74 #ifndef GET_WHEEL_DELTA_WPARAM
75 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
78 /* Non-zero means that a HELP_EVENT has been generated since Emacs
81 static int any_help_event_p
;
83 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
84 static Lisp_Object last_window
;
86 extern unsigned int msh_mousewheel
;
88 extern void free_frame_menubar (struct frame
*);
90 extern int w32_codepage_for_font (char *fontname
);
91 extern Cursor
w32_load_cursor (LPCTSTR name
);
93 extern Lisp_Object Vwindow_system
;
95 #define x_any_window_to_frame x_window_to_frame
96 #define x_top_window_to_frame x_window_to_frame
99 /* This is display since w32 does not support multiple ones. */
100 struct w32_display_info one_w32_display_info
;
101 struct w32_display_info
*x_display_list
;
103 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
104 one for each element of w32_display_list and in the same order.
105 NAME is the name of the frame.
106 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
107 Lisp_Object w32_display_name_list
;
111 /* Pre Windows 2000, this was not available, but define it here so
112 that Emacs compiled on such a platform will run on newer versions. */
114 typedef struct tagWCRANGE
120 typedef struct tagGLYPHSET
124 DWORD cGlyphsSupported
;
131 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
132 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
135 #define LWA_ALPHA 0x02
137 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
138 later targets by MSVC headers. */
139 #ifndef WS_EX_LAYERED
140 #define WS_EX_LAYERED 0x80000
143 /* Frame being updated by update_frame. This is declared in term.c.
144 This is set by update_begin and looked at by all the
145 w32 functions. It is zero while not inside an update.
146 In that case, the w32 functions assume that `SELECTED_FRAME ()'
147 is the frame to apply to. */
148 extern struct frame
*updating_frame
;
150 /* This is a frame waiting to be autoraised, within w32_read_socket. */
151 struct frame
*pending_autoraise_frame
;
153 /* The handle of the frame that currently owns the system caret. */
154 HWND w32_system_caret_hwnd
;
155 int w32_system_caret_height
;
156 int w32_system_caret_x
;
157 int w32_system_caret_y
;
158 DWORD dwWindowsThreadId
= 0;
159 HANDLE hWindowsThread
= NULL
;
160 DWORD dwMainThreadId
= 0;
161 HANDLE hMainThread
= NULL
;
163 int vertical_scroll_bar_min_handle
;
164 int vertical_scroll_bar_top_border
;
165 int vertical_scroll_bar_bottom_border
;
167 int last_scroll_bar_drag_pos
;
169 /* Mouse movement. */
171 /* Where the mouse was last time we reported a mouse event. */
172 static RECT last_mouse_glyph
;
173 static FRAME_PTR last_mouse_glyph_frame
;
174 static Lisp_Object last_mouse_press_frame
;
176 /* The scroll bar in which the last motion event occurred.
178 If the last motion event occurred in a scroll bar, we set this
179 so w32_mouse_position can know whether to report a scroll bar motion or
182 If the last motion event didn't occur in a scroll bar, we set this
183 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
184 static Lisp_Object last_mouse_scroll_bar
;
185 static int last_mouse_scroll_bar_pos
;
187 /* This is a hack. We would really prefer that w32_mouse_position would
188 return the time associated with the position it returns, but there
189 doesn't seem to be any way to wrest the time-stamp from the server
190 along with the position query. So, we just keep track of the time
191 of the last movement we received, and return that in hopes that
192 it's somewhat accurate. */
193 static Time last_mouse_movement_time
;
195 /* Incremented by w32_read_socket whenever it really tries to read
198 static int volatile input_signal_count
;
200 static int input_signal_count
;
203 /* Keyboard code page - may be changed by language-change events. */
204 static int keyboard_codepage
;
206 static void x_update_window_end (struct window
*, int, int);
207 static void w32_handle_tool_bar_click (struct frame
*,
208 struct input_event
*);
209 static void w32_define_cursor (Window
, Cursor
);
211 void x_lower_frame (struct frame
*);
212 void x_scroll_bar_clear (struct frame
*);
213 void x_wm_set_size_hint (struct frame
*, long, int);
214 void x_raise_frame (struct frame
*);
215 void x_set_window_size (struct frame
*, int, int, int);
216 void x_wm_set_window_state (struct frame
*, int);
217 void x_wm_set_icon_pixmap (struct frame
*, int);
218 static void w32_initialize (void);
219 static void x_update_end (struct frame
*);
220 static void w32_frame_up_to_date (struct frame
*);
221 static void w32_set_terminal_modes (struct terminal
*);
222 static void w32_reset_terminal_modes (struct terminal
*);
223 static void x_clear_frame (struct frame
*);
224 static void frame_highlight (struct frame
*);
225 static void frame_unhighlight (struct frame
*);
226 static void x_new_focus_frame (struct w32_display_info
*,
228 static void x_focus_changed (int, int, struct w32_display_info
*,
229 struct frame
*, struct input_event
*);
230 static void w32_detect_focus_change (struct w32_display_info
*,
231 W32Msg
*, struct input_event
*);
232 static void w32_frame_rehighlight (struct frame
*);
233 static void x_frame_rehighlight (struct w32_display_info
*);
234 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
235 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
236 enum text_cursor_kinds
);
237 static void w32_clip_to_row (struct window
*, struct glyph_row
*, int, HDC
);
238 static BOOL
my_show_window (struct frame
*, HWND
, int);
239 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
241 static void my_set_focus (struct frame
*, HWND
);
243 static void my_set_foreground_window (HWND
);
244 static void my_destroy_window (struct frame
*, HWND
);
246 static Lisp_Object Qvendor_specific_keysyms
;
249 /***********************************************************************
251 ***********************************************************************/
255 /* This is a function useful for recording debugging information about
256 the sequence of occurrences in this file. */
264 struct record event_record
[100];
266 int event_record_index
;
268 record_event (char *locus
, int type
)
270 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
271 event_record_index
= 0;
273 event_record
[event_record_index
].locus
= locus
;
274 event_record
[event_record_index
].type
= type
;
275 event_record_index
++;
282 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
285 if (mask
& GCForeground
)
286 gc
->foreground
= xgcv
->foreground
;
287 if (mask
& GCBackground
)
288 gc
->background
= xgcv
->background
;
290 gc
->font
= xgcv
->font
;
294 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
296 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
297 memset (gc
, 0, sizeof (XGCValues
));
299 XChangeGC (ignore
, gc
, mask
, xgcv
);
305 XGetGCValues (void *ignore
, XGCValues
*gc
,
306 unsigned long mask
, XGCValues
*xgcv
)
308 XChangeGC (ignore
, xgcv
, mask
, gc
);
312 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
316 HRGN clip_region
= CreateRectRgnIndirect (rect
);
317 SelectClipRgn (hdc
, clip_region
);
318 DeleteObject (clip_region
);
321 SelectClipRgn (hdc
, NULL
);
325 /* Draw a hollow rectangle at the specified position. */
327 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
328 int width
, int height
)
333 hb
= CreateSolidBrush (gc
->background
);
334 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
335 oldhb
= SelectObject (hdc
, hb
);
336 oldhp
= SelectObject (hdc
, hp
);
338 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
340 SelectObject (hdc
, oldhb
);
341 SelectObject (hdc
, oldhp
);
346 /* Draw a filled rectangle at the specified position. */
348 w32_fill_rect (FRAME_PTR f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
352 hb
= CreateSolidBrush (pix
);
353 FillRect (hdc
, lprect
, hb
);
358 w32_clear_window (FRAME_PTR f
)
361 HDC hdc
= get_frame_dc (f
);
363 /* Under certain conditions, this can be called at startup with
364 a console frame pointer before the GUI frame is created. An HDC
365 of 0 indicates this. */
368 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
369 w32_clear_rect (f
, hdc
, &rect
);
372 release_frame_dc (f
, hdc
);
375 #define OPAQUE_FRAME 255
378 x_set_frame_alpha (struct frame
*f
)
380 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
382 double alpha_min
= 1.0;
385 HWND window
= FRAME_W32_WINDOW (f
);
387 /* Older versions of Windows do not support transparency. */
388 if (!pfnSetLayeredWindowAttributes
)
391 if (dpyinfo
->x_highlight_frame
== f
)
396 if (FLOATP (Vframe_alpha_lower_limit
))
397 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
398 else if (INTEGERP (Vframe_alpha_lower_limit
))
399 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
403 else if (alpha
> 1.0)
405 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
408 opac
= alpha
* OPAQUE_FRAME
;
410 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
412 if (opac
== OPAQUE_FRAME
)
413 ex_style
&= ~WS_EX_LAYERED
;
415 ex_style
|= WS_EX_LAYERED
;
417 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
419 if (opac
!= OPAQUE_FRAME
)
420 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
424 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
426 HDC dc
= GetDC (NULL
);
427 int pixels
= GetDeviceCaps (dc
, VERTRES
);
428 ReleaseDC (NULL
, dc
);
433 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
435 HDC dc
= GetDC (NULL
);
436 int pixels
= GetDeviceCaps (dc
, HORZRES
);
437 ReleaseDC (NULL
, dc
);
442 /***********************************************************************
443 Starting and ending an update
444 ***********************************************************************/
446 /* Start an update of frame F. This function is installed as a hook
447 for update_begin, i.e. it is called when update_begin is called.
448 This function is called prior to calls to x_update_window_begin for
449 each window being updated. */
452 x_update_begin (struct frame
*f
)
454 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
456 if (! FRAME_W32_P (f
))
459 /* Regenerate display palette before drawing if list of requested
460 colors has changed. */
461 if (display_info
->regen_palette
)
463 w32_regenerate_palette (f
);
464 display_info
->regen_palette
= FALSE
;
469 /* Start update of window W. Set the global variable updated_window
470 to the window being updated and set output_cursor to the cursor
474 x_update_window_begin (struct window
*w
)
476 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
477 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
479 /* Hide the system caret during an update. */
480 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
482 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
486 set_output_cursor (&w
->cursor
);
490 if (f
== hlinfo
->mouse_face_mouse_frame
)
492 /* Don't do highlighting for mouse motion during the update. */
493 hlinfo
->mouse_face_defer
= 1;
495 /* If F needs to be redrawn, simply forget about any prior mouse
497 if (FRAME_GARBAGED_P (f
))
498 hlinfo
->mouse_face_window
= Qnil
;
500 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
501 their mouse_face_p flag set, which means that they are always
502 unequal to rows in a desired matrix which never have that
503 flag set. So, rows containing mouse-face glyphs are never
504 scrolled, and we don't have to switch the mouse highlight off
505 here to prevent it from being scrolled. */
507 /* Can we tell that this update does not affect the window
508 where the mouse highlight is? If so, no need to turn off.
509 Likewise, don't do anything if the frame is garbaged;
510 in that case, the frame's current matrix that we would use
511 is all wrong, and we will redisplay that line anyway. */
512 if (!NILP (hlinfo
->mouse_face_window
)
513 && w
== XWINDOW (hlinfo
->mouse_face_window
))
517 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
518 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
521 if (i
< w
->desired_matrix
->nrows
)
522 clear_mouse_face (hlinfo
);
530 /* Draw a vertical window border from (x,y0) to (x,y1) */
533 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
535 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
545 hdc
= get_frame_dc (f
);
546 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
548 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
550 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
552 release_frame_dc (f
, hdc
);
556 /* End update of window W (which is equal to updated_window).
558 Draw vertical borders between horizontally adjacent windows, and
559 display W's cursor if CURSOR_ON_P is non-zero.
561 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
562 glyphs in mouse-face were overwritten. In that case we have to
563 make sure that the mouse-highlight is properly redrawn.
565 W may be a menu bar pseudo-window in case we don't have X toolkit
566 support. Such windows don't have a cursor, so don't display it
570 x_update_window_end (struct window
*w
, int cursor_on_p
,
571 int mouse_face_overwritten_p
)
573 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (XFRAME (w
->frame
));
575 if (!w
->pseudo_window_p
)
580 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
582 output_cursor
.x
, output_cursor
.y
);
584 if (draw_window_fringes (w
, 1))
585 x_draw_vertical_border (w
);
590 /* If a row with mouse-face was overwritten, arrange for
591 XTframe_up_to_date to redisplay the mouse highlight. */
592 if (mouse_face_overwritten_p
)
594 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
595 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
596 hlinfo
->mouse_face_window
= Qnil
;
599 /* Unhide the caret. This won't actually show the cursor, unless it
600 was visible before the corresponding call to HideCaret in
601 x_update_window_begin. */
602 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
604 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
607 updated_window
= NULL
;
611 /* End update of frame F. This function is installed as a hook in
615 x_update_end (struct frame
*f
)
617 if (! FRAME_W32_P (f
))
620 /* Mouse highlight may be displayed again. */
621 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
625 /* This function is called from various places in xdisp.c whenever a
626 complete update has been performed. The global variable
627 updated_window is not available here. */
630 w32_frame_up_to_date (struct frame
*f
)
634 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
636 if (hlinfo
->mouse_face_deferred_gc
637 || f
== hlinfo
->mouse_face_mouse_frame
)
640 if (hlinfo
->mouse_face_mouse_frame
)
641 note_mouse_highlight (hlinfo
->mouse_face_mouse_frame
,
642 hlinfo
->mouse_face_mouse_x
,
643 hlinfo
->mouse_face_mouse_y
);
644 hlinfo
->mouse_face_deferred_gc
= 0;
651 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
652 arrow bitmaps, or clear the fringes if no bitmaps are required
653 before DESIRED_ROW is made current. The window being updated is
654 found in updated_window. This function is called from
655 update_window_line only if it is known that there are differences
656 between bitmaps to be drawn between current row and DESIRED_ROW. */
659 x_after_update_window_line (struct glyph_row
*desired_row
)
661 struct window
*w
= updated_window
;
667 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
668 desired_row
->redraw_fringe_bitmaps_p
= 1;
670 /* When a window has disappeared, make sure that no rest of
671 full-width rows stays visible in the internal border. Could
672 check here if updated_window is the leftmost/rightmost window,
673 but I guess it's not worth doing since vertically split windows
674 are almost never used, internal border is rarely set, and the
675 overhead is very small. */
676 if (windows_or_buffers_changed
677 && desired_row
->full_width_p
678 && (f
= XFRAME (w
->frame
),
679 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
681 && (height
= desired_row
->visible_height
,
684 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
688 HDC hdc
= get_frame_dc (f
);
689 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
690 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
692 release_frame_dc (f
, hdc
);
699 /* Draw the bitmap WHICH in one of the left or right fringes of
700 window W. ROW is the glyph row for which to display the bitmap; it
701 determines the vertical position at which the bitmap has to be
705 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
706 struct draw_fringe_bitmap_params
*p
)
708 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
710 struct face
*face
= p
->face
;
712 hdc
= get_frame_dc (f
);
716 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
718 /* If the fringe is adjacent to the left (right) scroll bar of a
719 leftmost (rightmost, respectively) window, then extend its
720 background to the gap between the fringe and the bar. */
721 if ((WINDOW_LEFTMOST_P (w
)
722 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
723 || (WINDOW_RIGHTMOST_P (w
)
724 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
726 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
730 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
731 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
732 * FRAME_COLUMN_WIDTH (f
));
736 /* Bitmap fills the fringe. */
737 if (left
+ width
== p
->x
)
738 bx
= left
+ sb_width
;
739 else if (p
->x
+ p
->wd
== left
)
743 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
745 nx
= width
- sb_width
;
746 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
748 ny
= row
->visible_height
;
753 if (left
+ width
== bx
)
755 bx
= left
+ sb_width
;
756 nx
+= width
- sb_width
;
758 else if (bx
+ nx
== left
)
759 nx
+= width
- sb_width
;
764 if (bx
>= 0 && nx
> 0)
765 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
768 /* Must clip because of partially visible lines. */
769 w32_clip_to_row (w
, row
, -1, hdc
);
771 if (p
->which
&& p
->which
< max_fringe_bmp
)
773 HBITMAP pixmap
= fringe_bmp
[p
->which
];
777 compat_hdc
= CreateCompatibleDC (hdc
);
781 horig_obj
= SelectObject (compat_hdc
, pixmap
);
783 /* Paint overlays transparently. */
786 HBRUSH h_brush
, h_orig_brush
;
788 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
789 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
790 h_brush
= CreateSolidBrush (face
->foreground
);
791 h_orig_brush
= SelectObject (hdc
, h_brush
);
793 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
794 compat_hdc
, 0, p
->dh
,
796 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
797 compat_hdc
, 0, p
->dh
,
799 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
800 compat_hdc
, 0, p
->dh
,
803 SelectObject (hdc
, h_orig_brush
);
804 DeleteObject (h_brush
);
808 SetTextColor (hdc
, face
->background
);
809 SetBkColor (hdc
, (p
->cursor_p
810 ? f
->output_data
.w32
->cursor_pixel
811 : face
->foreground
));
813 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
814 compat_hdc
, 0, p
->dh
,
818 SelectObject (compat_hdc
, horig_obj
);
819 DeleteDC (compat_hdc
);
823 w32_set_clip_rectangle (hdc
, NULL
);
825 release_frame_dc (f
, hdc
);
829 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
831 if (which
>= max_fringe_bmp
)
833 int i
= max_fringe_bmp
;
834 max_fringe_bmp
= which
+ 20;
835 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
836 while (i
< max_fringe_bmp
)
840 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
844 w32_destroy_fringe_bitmap (int which
)
846 if (which
>= max_fringe_bmp
)
849 if (fringe_bmp
[which
])
850 DeleteObject (fringe_bmp
[which
]);
851 fringe_bmp
[which
] = 0;
856 /* This is called when starting Emacs and when restarting after
857 suspend. When starting Emacs, no window is mapped. And nothing
858 must be done to Emacs's own window if it is suspended (though that
862 w32_set_terminal_modes (struct terminal
*term
)
866 /* This is called when exiting or suspending Emacs. Exiting will make
867 the W32 windows go away, and suspending requires no action. */
870 w32_reset_terminal_modes (struct terminal
*term
)
876 /***********************************************************************
878 ***********************************************************************/
880 /* Function prototypes of this page. */
882 static void x_set_glyph_string_clipping (struct glyph_string
*);
883 static void x_set_glyph_string_gc (struct glyph_string
*);
884 static void x_draw_glyph_string_background (struct glyph_string
*,
886 static void x_draw_glyph_string_foreground (struct glyph_string
*);
887 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
888 static void x_draw_glyph_string_box (struct glyph_string
*);
889 static void x_draw_glyph_string (struct glyph_string
*);
890 static void x_set_cursor_gc (struct glyph_string
*);
891 static void x_set_mode_line_face_gc (struct glyph_string
*);
892 static void x_set_mouse_face_gc (struct glyph_string
*);
893 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
894 static void w32_setup_relief_color (struct frame
*, struct relief
*,
895 double, int, COLORREF
);
896 static void x_setup_relief_colors (struct glyph_string
*);
897 static void x_draw_image_glyph_string (struct glyph_string
*);
898 static void x_draw_image_relief (struct glyph_string
*);
899 static void x_draw_image_foreground (struct glyph_string
*);
900 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
901 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
903 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
904 int, int, int, int, int, int,
906 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
907 int, int, int, RECT
*);
910 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
914 x_set_cursor_gc (struct glyph_string
*s
)
916 if (s
->font
== FRAME_FONT (s
->f
)
917 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
918 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
920 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
923 /* Cursor on non-default face: must merge. */
927 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
928 xgcv
.foreground
= s
->face
->background
;
930 /* If the glyph would be invisible, try a different foreground. */
931 if (xgcv
.foreground
== xgcv
.background
)
932 xgcv
.foreground
= s
->face
->foreground
;
933 if (xgcv
.foreground
== xgcv
.background
)
934 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
935 if (xgcv
.foreground
== xgcv
.background
)
936 xgcv
.foreground
= s
->face
->foreground
;
938 /* Make sure the cursor is distinct from text in this face. */
939 if (xgcv
.background
== s
->face
->background
940 && xgcv
.foreground
== s
->face
->foreground
)
942 xgcv
.background
= s
->face
->foreground
;
943 xgcv
.foreground
= s
->face
->background
;
946 IF_DEBUG (x_check_font (s
->f
, s
->font
));
948 mask
= GCForeground
| GCBackground
| GCFont
;
950 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
951 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
954 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
955 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
957 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
962 /* Set up S->gc of glyph string S for drawing text in mouse face. */
965 x_set_mouse_face_gc (struct glyph_string
*s
)
970 /* What face has to be used last for the mouse face? */
971 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
972 face
= FACE_FROM_ID (s
->f
, face_id
);
974 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
976 if (s
->first_glyph
->type
== CHAR_GLYPH
)
977 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
979 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
980 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
981 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
983 /* If font in this face is same as S->font, use it. */
984 if (s
->font
== s
->face
->font
)
988 /* Otherwise construct scratch_cursor_gc with values from FACE
993 xgcv
.background
= s
->face
->background
;
994 xgcv
.foreground
= s
->face
->foreground
;
995 IF_DEBUG (x_check_font (s
->f
, s
->font
));
997 mask
= GCForeground
| GCBackground
| GCFont
;
999 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1000 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1003 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1004 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1006 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1009 xassert (s
->gc
!= 0);
1013 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1014 Faces to use in the mode line have already been computed when the
1015 matrix was built, so there isn't much to do, here. */
1018 x_set_mode_line_face_gc (struct glyph_string
*s
)
1020 s
->gc
= s
->face
->gc
;
1024 /* Set S->gc of glyph string S for drawing that glyph string. Set
1025 S->stippled_p to a non-zero value if the face of S has a stipple
1029 x_set_glyph_string_gc (struct glyph_string
*s
)
1031 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1033 if (s
->hl
== DRAW_NORMAL_TEXT
)
1035 s
->gc
= s
->face
->gc
;
1036 s
->stippled_p
= s
->face
->stipple
!= 0;
1038 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1040 x_set_mode_line_face_gc (s
);
1041 s
->stippled_p
= s
->face
->stipple
!= 0;
1043 else if (s
->hl
== DRAW_CURSOR
)
1045 x_set_cursor_gc (s
);
1048 else if (s
->hl
== DRAW_MOUSE_FACE
)
1050 x_set_mouse_face_gc (s
);
1051 s
->stippled_p
= s
->face
->stipple
!= 0;
1053 else if (s
->hl
== DRAW_IMAGE_RAISED
1054 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1056 s
->gc
= s
->face
->gc
;
1057 s
->stippled_p
= s
->face
->stipple
!= 0;
1061 s
->gc
= s
->face
->gc
;
1062 s
->stippled_p
= s
->face
->stipple
!= 0;
1065 /* GC must have been set. */
1066 xassert (s
->gc
!= 0);
1070 /* Set clipping for output of glyph string S. S may be part of a mode
1071 line or menu if we don't have X toolkit support. */
1074 x_set_glyph_string_clipping (struct glyph_string
*s
)
1077 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1080 w32_set_clip_rectangle (s
->hdc
, r
);
1083 HRGN full_clip
, clip1
, clip2
;
1084 clip1
= CreateRectRgnIndirect (r
);
1085 clip2
= CreateRectRgnIndirect (r
+ 1);
1086 if (CombineRgn (full_clip
, clip1
, clip2
, RGN_OR
) != ERROR
)
1088 SelectClipRgn (s
->hdc
, full_clip
);
1090 DeleteObject (clip1
);
1091 DeleteObject (clip2
);
1092 DeleteObject (full_clip
);
1097 /* Set SRC's clipping for output of glyph string DST. This is called
1098 when we are drawing DST's left_overhang or right_overhang only in
1102 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1103 struct glyph_string
*dst
)
1108 r
.right
= r
.left
+ src
->width
;
1110 r
.bottom
= r
.top
+ src
->height
;
1113 w32_set_clip_rectangle (dst
->hdc
, &r
);
1117 Compute left and right overhang of glyph string S. */
1120 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1123 && s
->first_glyph
->type
== CHAR_GLYPH
1124 && !s
->font_not_found_p
)
1126 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1127 struct font
*font
= s
->font
;
1128 struct font_metrics metrics
;
1131 for (i
= 0; i
< s
->nchars
; i
++)
1132 code
[i
] = s
->char2b
[i
];
1133 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1134 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1135 ? metrics
.rbearing
- metrics
.width
: 0);
1136 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1140 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1141 s
->left_overhang
= -s
->cmp
->lbearing
;
1145 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1148 x_clear_glyph_string_rect (struct glyph_string
*s
,
1149 int x
, int y
, int w
, int h
)
1156 /* Take clipping into account. */
1157 if (s
->gc
->clip_mask
== Rect
)
1159 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1160 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1161 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1162 - s
->gc
->clip_rectangle
.left
);
1163 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1164 - s
->gc
->clip_rectangle
.top
);
1167 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1172 /* Draw the background of glyph_string S. If S->background_filled_p
1173 is non-zero don't draw it. FORCE_P non-zero means draw the
1174 background even if it wouldn't be drawn normally. This is used
1175 when a string preceding S draws into the background of S, or S
1176 contains the first component of a composition. */
1179 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1181 /* Nothing to do if background has already been drawn or if it
1182 shouldn't be drawn in the first place. */
1183 if (!s
->background_filled_p
)
1185 int box_line_width
= max (s
->face
->box_line_width
, 0);
1187 #if 0 /* TODO: stipple */
1190 /* Fill background with a stipple pattern. */
1191 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1192 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1193 s
->y
+ box_line_width
,
1194 s
->background_width
,
1195 s
->height
- 2 * box_line_width
);
1196 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1197 s
->background_filled_p
= 1;
1201 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1202 || s
->font_not_found_p
1203 || s
->extends_to_end_of_line_p
1206 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1207 s
->background_width
,
1208 s
->height
- 2 * box_line_width
);
1209 s
->background_filled_p
= 1;
1215 /* Draw the foreground of glyph string S. */
1218 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1222 /* If first glyph of S has a left box line, start drawing the text
1223 of S to the right of that box line. */
1224 if (s
->face
->box
!= FACE_NO_BOX
1225 && s
->first_glyph
->left_box_line_p
)
1226 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1230 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1231 SetBkColor (s
->hdc
, s
->gc
->background
);
1232 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1234 /* Draw characters of S as rectangles if S's font could not be
1236 if (s
->font_not_found_p
)
1238 for (i
= 0; i
< s
->nchars
; ++i
)
1240 struct glyph
*g
= s
->first_glyph
+ i
;
1242 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1244 x
+= g
->pixel_width
;
1249 struct font
*font
= s
->font
;
1250 int boff
= font
->baseline_offset
;
1254 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1256 if (font
->vertical_centering
)
1257 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1259 y
= s
->ybase
- boff
;
1261 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1262 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1264 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1265 if (s
->face
->overstrike
)
1266 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1268 SelectObject (s
->hdc
, old_font
);
1272 /* Draw the foreground of composite glyph string S. */
1275 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1278 struct font
*font
= s
->font
;
1280 /* If first glyph of S has a left box line, start drawing the text
1281 of S to the right of that box line. */
1282 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1283 && s
->first_glyph
->left_box_line_p
)
1284 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1288 /* S is a glyph string for a composition. S->cmp_from is the index
1289 of the first character drawn for glyphs of this composition.
1290 S->cmp_from == 0 means we are drawing the very first character of
1291 this composition. */
1293 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1294 SetBkColor (s
->hdc
, s
->gc
->background
);
1295 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1297 /* Draw a rectangle for the composition if the font for the very
1298 first character of the composition could not be loaded. */
1299 if (s
->font_not_found_p
)
1301 if (s
->cmp_from
== 0)
1302 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1305 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1311 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1313 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1314 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1316 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1317 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1319 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1320 if (s
->face
->overstrike
)
1321 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1323 SelectObject (s
->hdc
, old_font
);
1327 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1333 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1335 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1337 glyph
= LGSTRING_GLYPH (gstring
, i
);
1338 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1339 width
+= LGLYPH_WIDTH (glyph
);
1342 int xoff
, yoff
, wadjust
;
1346 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1349 xoff
= LGLYPH_XOFF (glyph
);
1350 yoff
= LGLYPH_YOFF (glyph
);
1351 wadjust
= LGLYPH_WADJUST (glyph
);
1352 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1359 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1361 SelectObject (s
->hdc
, old_font
);
1366 /* Draw the foreground of glyph string S for glyphless characters. */
1369 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1371 struct glyph
*glyph
= s
->first_glyph
;
1374 int with_background
;
1376 /* If first glyph of S has a left box line, start drawing the text
1377 of S to the right of that box line. */
1378 if (s
->face
->box
!= FACE_NO_BOX
1379 && s
->first_glyph
->left_box_line_p
)
1380 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1384 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1385 SetBkColor (s
->hdc
, s
->gc
->background
);
1386 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1389 with_background
= ! (s
->for_overlaps
1390 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1391 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1393 char buf
[7], *str
= NULL
;
1394 int len
= glyph
->u
.glyphless
.len
;
1396 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1399 && CHAR_TABLE_P (Vglyphless_char_display
)
1400 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1404 = (! glyph
->u
.glyphless
.for_no_font
1405 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1406 glyph
->u
.glyphless
.ch
)
1407 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1408 if (STRINGP (acronym
))
1409 str
= SSDATA (acronym
);
1412 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1414 sprintf ((char *) buf
, "%0*X",
1415 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1416 glyph
->u
.glyphless
.ch
);
1420 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1421 w32_draw_rectangle (s
->hdc
, s
->gc
,
1422 x
, s
->ybase
- glyph
->ascent
,
1423 glyph
->pixel_width
- 1,
1424 glyph
->ascent
+ glyph
->descent
- 1);
1427 struct font
*font
= s
->font
;
1428 int upper_len
= (len
+ 1) / 2;
1432 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1433 /* It is certain that all LEN characters in STR are ASCII. */
1434 for (j
= 0; j
< len
; j
++)
1436 code
= font
->driver
->encode_char (font
, str
[j
]);
1437 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1439 font
->driver
->draw (s
, 0, upper_len
,
1440 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1441 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1443 font
->driver
->draw (s
, upper_len
, len
,
1444 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1445 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1447 SelectObject (s
->hdc
, old_font
);
1449 x
+= glyph
->pixel_width
;
1454 /* Brightness beyond which a color won't have its highlight brightness
1457 Nominally, highlight colors for `3d' faces are calculated by
1458 brightening an object's color by a constant scale factor, but this
1459 doesn't yield good results for dark colors, so for colors who's
1460 brightness is less than this value (on a scale of 0-255) have to
1461 use an additional additive factor.
1463 The value here is set so that the default menu-bar/mode-line color
1464 (grey75) will not have its highlights changed at all. */
1465 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1468 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1469 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1470 If this produces the same color as COLOR, try a color where all RGB
1471 values have DELTA added. Return the allocated color in *COLOR.
1472 DISPLAY is the X display, CMAP is the colormap to operate on.
1473 Value is non-zero if successful. */
1476 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1477 double factor
, int delta
)
1482 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1485 /* Change RGB values by specified FACTOR. Avoid overflow! */
1486 xassert (factor
>= 0);
1487 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1488 min (0xff, factor
* GetGValue (*color
)),
1489 min (0xff, factor
* GetBValue (*color
)));
1491 /* Calculate brightness of COLOR. */
1492 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1493 + GetBValue (*color
)) / 6;
1495 /* We only boost colors that are darker than
1496 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1497 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1498 /* Make an additive adjustment to NEW, because it's dark enough so
1499 that scaling by FACTOR alone isn't enough. */
1501 /* How far below the limit this color is (0 - 1, 1 being darker). */
1502 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1503 /* The additive adjustment. */
1504 int min_delta
= delta
* dimness
* factor
/ 2;
1507 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1508 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1509 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1511 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1512 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1513 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1517 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1518 max (0, min (0xff, delta
+ GetGValue (*color
))),
1519 max (0, min (0xff, delta
+ GetBValue (*color
))));
1521 /* TODO: Map to palette and retry with delta if same? */
1522 /* TODO: Free colors (if using palette)? */
1532 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1533 colors in COLORS. On W32, we no longer try to map colors to
1536 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1540 for (i
= 0; i
< ncolors
; i
++)
1542 DWORD pixel
= colors
[i
].pixel
;
1543 /* Convert to a 16 bit value in range 0 - 0xffff. */
1544 colors
[i
].red
= GetRValue (pixel
) * 257;
1545 colors
[i
].green
= GetGValue (pixel
) * 257;
1546 colors
[i
].blue
= GetBValue (pixel
) * 257;
1551 x_query_color (struct frame
*f
, XColor
*color
)
1553 x_query_colors (f
, color
, 1);
1557 /* Set up the foreground color for drawing relief lines of glyph
1558 string S. RELIEF is a pointer to a struct relief containing the GC
1559 with which lines will be drawn. Use a color that is FACTOR or
1560 DELTA lighter or darker than the relief's background which is found
1561 in S->f->output_data.x->relief_background. If such a color cannot
1562 be allocated, use DEFAULT_PIXEL, instead. */
1565 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1566 int delta
, COLORREF default_pixel
)
1569 struct w32_output
*di
= f
->output_data
.w32
;
1570 unsigned long mask
= GCForeground
;
1572 COLORREF background
= di
->relief_background
;
1573 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1575 /* TODO: Free colors (if using palette)? */
1577 /* Allocate new color. */
1578 xgcv
.foreground
= default_pixel
;
1580 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1582 relief
->allocated_p
= 1;
1583 xgcv
.foreground
= relief
->pixel
= pixel
;
1586 if (relief
->gc
== 0)
1588 #if 0 /* TODO: stipple */
1589 xgcv
.stipple
= dpyinfo
->gray
;
1592 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1595 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1599 /* Set up colors for the relief lines around glyph string S. */
1602 x_setup_relief_colors (struct glyph_string
*s
)
1604 struct w32_output
*di
= s
->f
->output_data
.w32
;
1607 if (s
->face
->use_box_color_for_shadows_p
)
1608 color
= s
->face
->box_color
;
1609 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1611 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1612 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1614 color
= s
->gc
->background
;
1616 if (di
->white_relief
.gc
== 0
1617 || color
!= di
->relief_background
)
1619 di
->relief_background
= color
;
1620 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1621 WHITE_PIX_DEFAULT (s
->f
));
1622 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1623 BLACK_PIX_DEFAULT (s
->f
));
1628 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1629 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1630 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1631 relief. LEFT_P non-zero means draw a relief on the left side of
1632 the rectangle. RIGHT_P non-zero means draw a relief on the right
1633 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1637 w32_draw_relief_rect (struct frame
*f
,
1638 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1639 int raised_p
, int top_p
, int bot_p
, int left_p
, int right_p
,
1644 HDC hdc
= get_frame_dc (f
);
1647 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1649 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1651 w32_set_clip_rectangle (hdc
, clip_rect
);
1655 for (i
= 0; i
< width
; ++i
)
1656 w32_fill_area (f
, hdc
, gc
.foreground
,
1657 left_x
+ i
* left_p
, top_y
+ i
,
1658 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1662 for (i
= 0; i
< width
; ++i
)
1663 w32_fill_area (f
, hdc
, gc
.foreground
,
1664 left_x
+ i
, top_y
+ i
, 1,
1665 bottom_y
- top_y
- 2 * i
+ 1);
1668 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1670 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1674 for (i
= 0; i
< width
; ++i
)
1675 w32_fill_area (f
, hdc
, gc
.foreground
,
1676 left_x
+ i
* left_p
, bottom_y
- i
,
1677 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1681 for (i
= 0; i
< width
; ++i
)
1682 w32_fill_area (f
, hdc
, gc
.foreground
,
1683 right_x
- i
, top_y
+ i
+ 1, 1,
1684 bottom_y
- top_y
- 2 * i
- 1);
1686 w32_set_clip_rectangle (hdc
, NULL
);
1688 release_frame_dc (f
, hdc
);
1692 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1693 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1694 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1695 left side of the rectangle. RIGHT_P non-zero means draw a line
1696 on the right side of the rectangle. CLIP_RECT is the clipping
1697 rectangle to use when drawing. */
1700 w32_draw_box_rect (struct glyph_string
*s
,
1701 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1702 int left_p
, int right_p
, RECT
*clip_rect
)
1704 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1707 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1708 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1713 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1714 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1718 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1719 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1724 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1725 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1728 w32_set_clip_rectangle (s
->hdc
, NULL
);
1732 /* Draw a box around glyph string S. */
1735 x_draw_glyph_string_box (struct glyph_string
*s
)
1737 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1738 int left_p
, right_p
;
1739 struct glyph
*last_glyph
;
1742 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1743 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1744 : window_box_right (s
->w
, s
->area
));
1746 /* The glyph that may have a right box line. */
1747 last_glyph
= (s
->cmp
|| s
->img
1749 : s
->first_glyph
+ s
->nchars
- 1);
1751 width
= eabs (s
->face
->box_line_width
);
1752 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1754 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1756 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1758 bottom_y
= top_y
+ s
->height
- 1;
1760 left_p
= (s
->first_glyph
->left_box_line_p
1761 || (s
->hl
== DRAW_MOUSE_FACE
1763 || s
->prev
->hl
!= s
->hl
)));
1764 right_p
= (last_glyph
->right_box_line_p
1765 || (s
->hl
== DRAW_MOUSE_FACE
1767 || s
->next
->hl
!= s
->hl
)));
1769 get_glyph_string_clip_rect (s
, &clip_rect
);
1771 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1772 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1773 left_p
, right_p
, &clip_rect
);
1776 x_setup_relief_colors (s
);
1777 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1778 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1783 /* Draw foreground of image glyph string S. */
1786 x_draw_image_foreground (struct glyph_string
*s
)
1789 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1791 /* If first glyph of S has a left box line, start drawing it to the
1792 right of that line. */
1793 if (s
->face
->box
!= FACE_NO_BOX
1794 && s
->first_glyph
->left_box_line_p
1796 x
+= eabs (s
->face
->box_line_width
);
1798 /* If there is a margin around the image, adjust x- and y-position
1800 if (s
->slice
.x
== 0)
1801 x
+= s
->img
->hmargin
;
1802 if (s
->slice
.y
== 0)
1803 y
+= s
->img
->vmargin
;
1809 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1810 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1811 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1812 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1813 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1814 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1815 x_set_glyph_string_clipping (s
);
1819 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1820 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1822 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1823 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1825 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1826 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1827 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1828 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1829 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1830 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1832 SelectObject (mask_dc
, mask_orig_obj
);
1837 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1838 SetBkColor (s
->hdc
, s
->gc
->background
);
1840 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1841 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1843 /* When the image has a mask, we can expect that at
1844 least part of a mouse highlight or a block cursor will
1845 be visible. If the image doesn't have a mask, make
1846 a block cursor visible by drawing a rectangle around
1847 the image. I believe it's looking better if we do
1848 nothing here for mouse-face. */
1849 if (s
->hl
== DRAW_CURSOR
)
1851 int r
= s
->img
->relief
;
1853 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1854 s
->slice
.width
+ r
*2 - 1,
1855 s
->slice
.height
+ r
*2 - 1);
1859 w32_set_clip_rectangle (s
->hdc
, NULL
);
1860 SelectObject (s
->hdc
, orig_brush
);
1861 DeleteObject (fg_brush
);
1862 SelectObject (compat_hdc
, orig_obj
);
1863 DeleteDC (compat_hdc
);
1866 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1867 s
->slice
.width
- 1, s
->slice
.height
- 1);
1869 RestoreDC (s
->hdc
,-1);
1873 /* Draw a relief around the image glyph string S. */
1876 x_draw_image_relief (struct glyph_string
*s
)
1878 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1881 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1883 /* If first glyph of S has a left box line, start drawing it to the
1884 right of that line. */
1885 if (s
->face
->box
!= FACE_NO_BOX
1886 && s
->first_glyph
->left_box_line_p
1888 x
+= eabs (s
->face
->box_line_width
);
1890 /* If there is a margin around the image, adjust x- and y-position
1892 if (s
->slice
.x
== 0)
1893 x
+= s
->img
->hmargin
;
1894 if (s
->slice
.y
== 0)
1895 y
+= s
->img
->vmargin
;
1897 if (s
->hl
== DRAW_IMAGE_SUNKEN
1898 || s
->hl
== DRAW_IMAGE_RAISED
)
1900 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1901 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1905 thick
= eabs (s
->img
->relief
);
1906 raised_p
= s
->img
->relief
> 0;
1911 x1
= x
+ s
->slice
.width
+ thick
- 1;
1912 y1
= y
+ s
->slice
.height
+ thick
- 1;
1914 x_setup_relief_colors (s
);
1915 get_glyph_string_clip_rect (s
, &r
);
1916 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
1918 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
1920 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
1925 /* Draw the foreground of image glyph string S to PIXMAP. */
1928 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
1930 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1931 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1933 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1935 /* If first glyph of S has a left box line, start drawing it to the
1936 right of that line. */
1937 if (s
->face
->box
!= FACE_NO_BOX
1938 && s
->first_glyph
->left_box_line_p
1940 x
+= eabs (s
->face
->box_line_width
);
1942 /* If there is a margin around the image, adjust x- and y-position
1944 if (s
->slice
.x
== 0)
1945 x
+= s
->img
->hmargin
;
1946 if (s
->slice
.y
== 0)
1947 y
+= s
->img
->vmargin
;
1951 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1952 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1953 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1954 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1958 HDC mask_dc
= CreateCompatibleDC (hdc
);
1959 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1961 SetTextColor (hdc
, RGB (0, 0, 0));
1962 SetBkColor (hdc
, RGB (255, 255, 255));
1963 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1964 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1965 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1966 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1967 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1968 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1970 SelectObject (mask_dc
, mask_orig_obj
);
1975 SetTextColor (hdc
, s
->gc
->foreground
);
1976 SetBkColor (hdc
, s
->gc
->background
);
1978 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1979 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1981 /* When the image has a mask, we can expect that at
1982 least part of a mouse highlight or a block cursor will
1983 be visible. If the image doesn't have a mask, make
1984 a block cursor visible by drawing a rectangle around
1985 the image. I believe it's looking better if we do
1986 nothing here for mouse-face. */
1987 if (s
->hl
== DRAW_CURSOR
)
1989 int r
= s
->img
->relief
;
1991 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
1992 s
->slice
.width
+ r
*2 - 1,
1993 s
->slice
.height
+ r
*2 - 1);
1997 SelectObject (hdc
, orig_brush
);
1998 DeleteObject (fg_brush
);
1999 SelectObject (compat_hdc
, orig_obj
);
2000 DeleteDC (compat_hdc
);
2003 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2004 s
->slice
.width
- 1, s
->slice
.height
- 1);
2006 SelectObject (hdc
, orig_hdc_obj
);
2011 /* Draw part of the background of glyph string S. X, Y, W, and H
2012 give the rectangle to draw. */
2015 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2017 #if 0 /* TODO: stipple */
2020 /* Fill background with a stipple pattern. */
2021 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2022 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2023 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2027 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2031 /* Draw image glyph string S.
2034 s->x +-------------------------
2037 | +-------------------------
2040 | | +-------------------
2046 x_draw_image_glyph_string (struct glyph_string
*s
)
2049 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2050 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2054 height
= s
->height
- 2 * box_line_vwidth
;
2056 /* Fill background with face under the image. Do it only if row is
2057 taller than image or if image has a clip mask to reduce
2059 s
->stippled_p
= s
->face
->stipple
!= 0;
2060 if (height
> s
->slice
.height
2064 || s
->img
->pixmap
== 0
2065 || s
->width
!= s
->background_width
)
2068 if (s
->first_glyph
->left_box_line_p
2070 x
+= box_line_hwidth
;
2073 if (s
->slice
.y
== 0)
2074 y
+= box_line_vwidth
;
2076 #if 0 /* TODO: figure out if we need to do this on Windows. */
2079 /* Create a pixmap as large as the glyph string. Fill it
2080 with the background color. Copy the image to it, using
2081 its mask. Copy the temporary pixmap to the display. */
2082 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2083 int depth
= DefaultDepthOfScreen (screen
);
2085 /* Create a pixmap as large as the glyph string. */
2086 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2087 s
->background_width
,
2090 /* Don't clip in the following because we're working on the
2092 XSetClipMask (s
->display
, s
->gc
, None
);
2094 /* Fill the pixmap with the background color/stipple. */
2097 /* Fill background with a stipple pattern. */
2098 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2099 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2100 0, 0, s
->background_width
, s
->height
);
2101 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2106 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2108 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2109 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2110 0, 0, s
->background_width
, s
->height
);
2111 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2116 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2118 s
->background_filled_p
= 1;
2121 /* Draw the foreground. */
2124 w32_draw_image_foreground_1 (s
, pixmap
);
2125 x_set_glyph_string_clipping (s
);
2127 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2128 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2129 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2130 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2132 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2133 SetBkColor (s
->hdc
, s
->gc
->background
);
2134 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2135 compat_hdc
, 0, 0, SRCCOPY
);
2137 SelectObject (s
->hdc
, orig_brush
);
2138 DeleteObject (fg_brush
);
2139 SelectObject (compat_hdc
, orig_obj
);
2140 DeleteDC (compat_hdc
);
2142 DeleteObject (pixmap
);
2146 x_draw_image_foreground (s
);
2148 /* If we must draw a relief around the image, do it. */
2150 || s
->hl
== DRAW_IMAGE_RAISED
2151 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2152 x_draw_image_relief (s
);
2156 /* Draw stretch glyph string S. */
2159 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2161 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2163 if (s
->hl
== DRAW_CURSOR
2164 && !x_stretch_cursor_p
)
2166 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2167 wide as the stretch glyph. */
2168 int width
, background_width
= s
->background_width
;
2171 if (!s
->row
->reversed_p
)
2173 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2177 background_width
-= left_x
- x
;
2183 /* In R2L rows, draw the cursor on the right edge of the
2185 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2187 if (x
+ background_width
> right_x
)
2188 background_width
-= x
- right_x
;
2189 x
+= background_width
;
2191 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2192 if (s
->row
->reversed_p
)
2196 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2198 /* Clear rest using the GC of the original non-cursor face. */
2199 if (width
< background_width
)
2201 XGCValues
*gc
= s
->face
->gc
;
2203 int w
= background_width
- width
, h
= s
->height
;
2207 if (!s
->row
->reversed_p
)
2211 if (s
->row
->mouse_face_p
2212 && cursor_in_mouse_face_p (s
->w
))
2214 x_set_mouse_face_gc (s
);
2220 get_glyph_string_clip_rect (s
, &r
);
2221 w32_set_clip_rectangle (hdc
, &r
);
2223 #if 0 /* TODO: stipple */
2224 if (s
->face
->stipple
)
2226 /* Fill background with a stipple pattern. */
2227 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2228 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2229 XSetFillStyle (s
->display
, gc
, FillSolid
);
2234 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2238 else if (!s
->background_filled_p
)
2240 int background_width
= s
->background_width
;
2241 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2243 /* Don't draw into left margin, fringe or scrollbar area
2244 except for header line and mode line. */
2245 if (x
< left_x
&& !s
->row
->mode_line_p
)
2247 background_width
-= left_x
- x
;
2250 if (background_width
> 0)
2251 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2254 s
->background_filled_p
= 1;
2258 /* Draw glyph string S. */
2261 x_draw_glyph_string (struct glyph_string
*s
)
2263 int relief_drawn_p
= 0;
2265 /* If S draws into the background of its successor, draw the
2266 background of the successor first so that S can draw into it.
2267 This makes S->next use XDrawString instead of XDrawImageString. */
2268 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2271 struct glyph_string
*next
;
2272 for (width
= 0, next
= s
->next
;
2273 next
&& width
< s
->right_overhang
;
2274 width
+= next
->width
, next
= next
->next
)
2275 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2277 x_set_glyph_string_gc (next
);
2278 x_set_glyph_string_clipping (next
);
2279 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2280 x_draw_stretch_glyph_string (next
);
2282 x_draw_glyph_string_background (next
, 1);
2283 next
->num_clips
= 0;
2287 /* Set up S->gc, set clipping and draw S. */
2288 x_set_glyph_string_gc (s
);
2290 /* Draw relief (if any) in advance for char/composition so that the
2291 glyph string can be drawn over it. */
2292 if (!s
->for_overlaps
2293 && s
->face
->box
!= FACE_NO_BOX
2294 && (s
->first_glyph
->type
== CHAR_GLYPH
2295 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2298 x_set_glyph_string_clipping (s
);
2299 x_draw_glyph_string_background (s
, 1);
2300 x_draw_glyph_string_box (s
);
2301 x_set_glyph_string_clipping (s
);
2304 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2306 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2307 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2308 /* We must clip just this glyph. left_overhang part has already
2309 drawn when s->prev was drawn, and right_overhang part will be
2310 drawn later when s->next is drawn. */
2311 x_set_glyph_string_clipping_exactly (s
, s
);
2313 x_set_glyph_string_clipping (s
);
2315 switch (s
->first_glyph
->type
)
2318 x_draw_image_glyph_string (s
);
2322 x_draw_stretch_glyph_string (s
);
2326 if (s
->for_overlaps
)
2327 s
->background_filled_p
= 1;
2329 x_draw_glyph_string_background (s
, 0);
2330 x_draw_glyph_string_foreground (s
);
2333 case COMPOSITE_GLYPH
:
2334 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2335 && ! s
->first_glyph
->u
.cmp
.automatic
))
2336 s
->background_filled_p
= 1;
2338 x_draw_glyph_string_background (s
, 1);
2339 x_draw_composite_glyph_string_foreground (s
);
2342 case GLYPHLESS_GLYPH
:
2343 if (s
->for_overlaps
)
2344 s
->background_filled_p
= 1;
2346 x_draw_glyph_string_background (s
, 0);
2347 x_draw_glyphless_glyph_string_foreground (s
);
2354 if (!s
->for_overlaps
)
2356 /* Draw underline. */
2357 if (s
->face
->underline_p
)
2359 unsigned long thickness
, position
;
2362 if (s
->prev
&& s
->prev
->face
->underline_p
)
2364 /* We use the same underline style as the previous one. */
2365 thickness
= s
->prev
->underline_thickness
;
2366 position
= s
->prev
->underline_position
;
2370 /* Get the underline thickness. Default is 1 pixel. */
2371 if (s
->font
&& s
->font
->underline_thickness
> 0)
2372 thickness
= s
->font
->underline_thickness
;
2375 if (x_underline_at_descent_line
)
2376 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2379 /* Get the underline position. This is the recommended
2380 vertical offset in pixels from the baseline to the top of
2381 the underline. This is a signed value according to the
2382 specs, and its default is
2384 ROUND ((maximum_descent) / 2), with
2385 ROUND (x) = floor (x + 0.5) */
2387 if (x_use_underline_position_properties
2388 && s
->font
&& s
->font
->underline_position
>= 0)
2389 position
= s
->font
->underline_position
;
2391 position
= (s
->font
->descent
+ 1) / 2;
2393 position
= max (position
, underline_minimum_offset
);
2395 /* Check the sanity of thickness and position. We should
2396 avoid drawing underline out of the current line area. */
2397 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2398 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2399 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2400 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2401 s
->underline_thickness
= thickness
;
2402 s
->underline_position
=position
;
2403 y
= s
->ybase
+ position
;
2404 if (s
->face
->underline_defaulted_p
)
2406 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2411 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2415 /* Draw overline. */
2416 if (s
->face
->overline_p
)
2418 unsigned long dy
= 0, h
= 1;
2420 if (s
->face
->overline_color_defaulted_p
)
2422 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2423 s
->y
+ dy
, s
->width
, h
);
2427 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2428 s
->y
+ dy
, s
->width
, h
);
2432 /* Draw strike-through. */
2433 if (s
->face
->strike_through_p
2434 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2436 unsigned long h
= 1;
2437 unsigned long dy
= (s
->height
- h
) / 2;
2439 if (s
->face
->strike_through_color_defaulted_p
)
2441 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2446 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2447 s
->y
+ dy
, s
->width
, h
);
2451 /* Draw relief if not yet drawn. */
2452 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2453 x_draw_glyph_string_box (s
);
2457 struct glyph_string
*prev
;
2459 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2460 if (prev
->hl
!= s
->hl
2461 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2463 /* As prev was drawn while clipped to its own area, we
2464 must draw the right_overhang part using s->hl now. */
2465 enum draw_glyphs_face save
= prev
->hl
;
2468 x_set_glyph_string_gc (prev
);
2469 x_set_glyph_string_clipping_exactly (s
, prev
);
2470 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2471 x_draw_glyph_string_foreground (prev
);
2473 x_draw_composite_glyph_string_foreground (prev
);
2474 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2476 prev
->num_clips
= 0;
2482 struct glyph_string
*next
;
2484 for (next
= s
->next
; next
; next
= next
->next
)
2485 if (next
->hl
!= s
->hl
2486 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2488 /* As next will be drawn while clipped to its own area,
2489 we must draw the left_overhang part using s->hl now. */
2490 enum draw_glyphs_face save
= next
->hl
;
2493 x_set_glyph_string_gc (next
);
2494 x_set_glyph_string_clipping_exactly (s
, next
);
2495 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2496 x_draw_glyph_string_foreground (next
);
2498 x_draw_composite_glyph_string_foreground (next
);
2499 w32_set_clip_rectangle (next
->hdc
, NULL
);
2501 next
->num_clips
= 0;
2506 /* Reset clipping. */
2507 w32_set_clip_rectangle (s
->hdc
, NULL
);
2512 /* Shift display to make room for inserted glyphs. */
2515 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2516 int width
, int height
, int shift_by
)
2520 hdc
= get_frame_dc (f
);
2521 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2522 hdc
, x
, y
, SRCCOPY
);
2524 release_frame_dc (f
, hdc
);
2528 /* Delete N glyphs at the nominal cursor position. Not implemented
2532 x_delete_glyphs (struct frame
*f
, register int n
)
2534 if (! FRAME_W32_P (f
))
2541 /* Clear entire frame. If updating_frame is non-null, clear that
2542 frame. Otherwise clear the selected frame. */
2545 x_clear_frame (struct frame
*f
)
2547 if (! FRAME_W32_P (f
))
2550 /* Clearing the frame will erase any cursor, so mark them all as no
2552 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2553 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2554 output_cursor
.x
= -1;
2556 /* We don't set the output cursor here because there will always
2557 follow an explicit cursor_to. */
2560 w32_clear_window (f
);
2562 /* We have to clear the scroll bars, too. If we have changed
2563 colors or something like that, then they should be notified. */
2564 x_scroll_bar_clear (f
);
2570 /* Make audible bell. */
2573 w32_ring_bell (struct frame
*f
)
2577 if (FRAME_W32_P (f
) && visible_bell
)
2580 HWND hwnd
= FRAME_W32_WINDOW (f
);
2582 for (i
= 0; i
< 5; i
++)
2584 FlashWindow (hwnd
, TRUE
);
2587 FlashWindow (hwnd
, FALSE
);
2590 w32_sys_ring_bell (f
);
2596 /* Specify how many text lines, from the top of the window,
2597 should be affected by insert-lines and delete-lines operations.
2598 This, and those operations, are used only within an update
2599 that is bounded by calls to x_update_begin and x_update_end. */
2602 w32_set_terminal_window (struct frame
*f
, int n
)
2604 /* This function intentionally left blank. */
2608 /***********************************************************************
2610 ***********************************************************************/
2612 /* Perform an insert-lines or delete-lines operation, inserting N
2613 lines or deleting -N lines at vertical position VPOS. */
2616 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2618 if (! FRAME_W32_P (f
))
2625 /* Scroll part of the display as described by RUN. */
2628 x_scroll_run (struct window
*w
, struct run
*run
)
2630 struct frame
*f
= XFRAME (w
->frame
);
2631 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2632 HWND hwnd
= FRAME_W32_WINDOW (f
);
2635 /* Get frame-relative bounding box of the text display area of W,
2636 without mode lines. Include in this box the left and right
2638 window_box (w
, -1, &x
, &y
, &width
, &height
);
2640 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2641 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2642 bottom_y
= y
+ height
;
2646 /* Scrolling up. Make sure we don't copy part of the mode
2647 line at the bottom. */
2648 if (from_y
+ run
->height
> bottom_y
)
2649 height
= bottom_y
- from_y
;
2651 height
= run
->height
;
2652 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2656 /* Scolling down. Make sure we don't copy over the mode line.
2658 if (to_y
+ run
->height
> bottom_y
)
2659 height
= bottom_y
- to_y
;
2661 height
= run
->height
;
2662 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2667 /* Cursor off. Will be switched on again in x_update_window_end. */
2674 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2675 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2677 from
.left
= to
.left
= x
;
2678 from
.right
= to
.right
= x
+ width
;
2680 from
.bottom
= from_y
+ height
;
2682 to
.bottom
= bottom_y
;
2684 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2685 NULL
, SW_INVALIDATE
);
2687 /* Combine this with what we expect to be dirty. This covers the
2688 case where not all of the region we expect is actually dirty. */
2689 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2691 /* If the dirty region is not what we expected, redraw the entire frame. */
2692 if (!EqualRgn (combined
, expect_dirty
))
2693 SET_FRAME_GARBAGED (f
);
2695 DeleteObject (dirty
);
2696 DeleteObject (combined
);
2700 DeleteObject (expect_dirty
);
2705 /***********************************************************************
2707 ***********************************************************************/
2710 frame_highlight (struct frame
*f
)
2712 x_update_cursor (f
, 1);
2713 x_set_frame_alpha (f
);
2717 frame_unhighlight (struct frame
*f
)
2719 x_update_cursor (f
, 1);
2720 x_set_frame_alpha (f
);
2723 /* The focus has changed. Update the frames as necessary to reflect
2724 the new situation. Note that we can't change the selected frame
2725 here, because the Lisp code we are interrupting might become confused.
2726 Each event gets marked with the frame in which it occurred, so the
2727 Lisp code can tell when the switch took place by examining the events. */
2730 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2732 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2734 if (frame
!= dpyinfo
->w32_focus_frame
)
2736 /* Set this before calling other routines, so that they see
2737 the correct value of w32_focus_frame. */
2738 dpyinfo
->w32_focus_frame
= frame
;
2740 if (old_focus
&& old_focus
->auto_lower
)
2741 x_lower_frame (old_focus
);
2743 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2744 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2746 pending_autoraise_frame
= 0;
2749 x_frame_rehighlight (dpyinfo
);
2753 /* Handle FocusIn and FocusOut state changes for FRAME.
2754 If FRAME has focus and there exists more than one frame, puts
2755 a FOCUS_IN_EVENT into *BUFP. */
2758 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2759 struct frame
*frame
, struct input_event
*bufp
)
2761 if (type
== WM_SETFOCUS
)
2763 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2765 x_new_focus_frame (dpyinfo
, frame
);
2766 dpyinfo
->w32_focus_event_frame
= frame
;
2768 /* Don't stop displaying the initial startup message
2769 for a switch-frame event we don't need. */
2770 if (NILP (Vterminal_frame
)
2771 && CONSP (Vframe_list
)
2772 && !NILP (XCDR (Vframe_list
)))
2774 bufp
->kind
= FOCUS_IN_EVENT
;
2775 XSETFRAME (bufp
->frame_or_window
, frame
);
2779 frame
->output_data
.x
->focus_state
|= state
;
2781 /* TODO: IME focus? */
2783 else if (type
== WM_KILLFOCUS
)
2785 frame
->output_data
.x
->focus_state
&= ~state
;
2787 if (dpyinfo
->w32_focus_event_frame
== frame
)
2789 dpyinfo
->w32_focus_event_frame
= 0;
2790 x_new_focus_frame (dpyinfo
, 0);
2793 /* TODO: IME focus? */
2798 /* The focus may have changed. Figure out if it is a real focus change,
2799 by checking both FocusIn/Out and Enter/LeaveNotify events.
2801 Returns FOCUS_IN_EVENT event in *BUFP. */
2804 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2805 struct input_event
*bufp
)
2807 struct frame
*frame
;
2809 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2813 /* On w32, this is only called from focus events, so no switch needed. */
2814 x_focus_changed (event
->msg
.message
,
2815 (event
->msg
.message
== WM_KILLFOCUS
?
2816 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2817 dpyinfo
, frame
, bufp
);
2821 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2824 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2826 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2829 /* The focus has changed, or we have redirected a frame's focus to
2830 another frame (this happens when a frame uses a surrogate
2831 mini-buffer frame). Shift the highlight as appropriate.
2833 The FRAME argument doesn't necessarily have anything to do with which
2834 frame is being highlighted or un-highlighted; we only use it to find
2835 the appropriate X display info. */
2838 w32_frame_rehighlight (struct frame
*frame
)
2840 if (! FRAME_W32_P (frame
))
2842 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2846 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2848 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2850 if (dpyinfo
->w32_focus_frame
)
2852 dpyinfo
->x_highlight_frame
2853 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2854 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2855 : dpyinfo
->w32_focus_frame
);
2856 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2858 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2859 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2863 dpyinfo
->x_highlight_frame
= 0;
2865 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2868 frame_unhighlight (old_highlight
);
2869 if (dpyinfo
->x_highlight_frame
)
2870 frame_highlight (dpyinfo
->x_highlight_frame
);
2874 /* Keyboard processing - modifier keys, etc. */
2876 /* Convert a keysym to its name. */
2879 x_get_keysym_name (int keysym
)
2881 /* Make static so we can always return it */
2882 static char value
[100];
2885 GetKeyNameText (keysym
, value
, 100);
2892 codepage_for_locale (LCID locale
)
2896 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
2903 /* Mouse clicks and mouse movement. Rah. */
2905 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2906 the state in PUP. XBUTTON provides extra information for extended mouse
2907 button messages. Returns FALSE if unable to parse the message. */
2909 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
2916 case WM_LBUTTONDOWN
:
2924 case WM_MBUTTONDOWN
:
2925 if (NILP (Vw32_swap_mouse_buttons
))
2932 if (NILP (Vw32_swap_mouse_buttons
))
2938 case WM_RBUTTONDOWN
:
2939 if (NILP (Vw32_swap_mouse_buttons
))
2946 if (NILP (Vw32_swap_mouse_buttons
))
2952 case WM_XBUTTONDOWN
:
2953 button
= xbutton
+ 2;
2957 button
= xbutton
+ 2;
2965 if (pbutton
) *pbutton
= button
;
2971 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2973 If the event is a button press, then note that we have grabbed
2977 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
2982 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2985 /* Make the event type NO_EVENT; we'll change that when we decide
2987 result
->kind
= MOUSE_CLICK_EVENT
;
2988 result
->code
= button
;
2989 result
->timestamp
= msg
->msg
.time
;
2990 result
->modifiers
= (msg
->dwModifiers
2995 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2996 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2997 XSETFRAME (result
->frame_or_window
, f
);
3003 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3008 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3011 result
->timestamp
= msg
->msg
.time
;
3013 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3014 forward, away from the user (up); a negative value indicates that
3015 the wheel was rotated backward, toward the user (down). */
3016 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3018 /* The up and down modifiers indicate if the wheel was rotated up or
3019 down based on WHEEL_DELTA value. */
3020 result
->modifiers
= (msg
->dwModifiers
3021 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3023 /* With multiple monitors, we can legitimately get negative
3024 coordinates, so cast to short to interpret them correctly. */
3025 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3026 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3027 ScreenToClient (msg
->msg
.hwnd
, &p
);
3028 XSETINT (result
->x
, p
.x
);
3029 XSETINT (result
->y
, p
.y
);
3030 XSETFRAME (result
->frame_or_window
, f
);
3036 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3046 result
->kind
= DRAG_N_DROP_EVENT
;
3048 result
->timestamp
= msg
->msg
.time
;
3049 result
->modifiers
= msg
->dwModifiers
;
3051 hdrop
= (HDROP
) msg
->msg
.wParam
;
3052 DragQueryPoint (hdrop
, &p
);
3055 p
.x
= LOWORD (msg
->msg
.lParam
);
3056 p
.y
= HIWORD (msg
->msg
.lParam
);
3057 ScreenToClient (msg
->msg
.hwnd
, &p
);
3060 XSETINT (result
->x
, p
.x
);
3061 XSETINT (result
->y
, p
.y
);
3063 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3066 for (i
= 0; i
< num_files
; i
++)
3068 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3071 name
= alloca (len
+ 1);
3072 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3073 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3078 XSETFRAME (frame
, f
);
3079 result
->frame_or_window
= frame
;
3080 result
->arg
= files
;
3085 /* Function to report a mouse movement to the mainstream Emacs code.
3086 The input handler calls this.
3088 We have received a mouse movement event, which is given in *event.
3089 If the mouse is over a different glyph than it was last time, tell
3090 the mainstream emacs code by setting mouse_moved. If not, ask for
3091 another motion event, so we can check again the next time it moves. */
3093 static MSG last_mouse_motion_event
;
3094 static Lisp_Object last_mouse_motion_frame
;
3097 note_mouse_movement (FRAME_PTR frame
, MSG
*msg
)
3099 int mouse_x
= LOWORD (msg
->lParam
);
3100 int mouse_y
= HIWORD (msg
->lParam
);
3102 last_mouse_movement_time
= msg
->time
;
3103 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3104 XSETFRAME (last_mouse_motion_frame
, frame
);
3106 if (!FRAME_X_OUTPUT (frame
))
3109 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3111 frame
->mouse_moved
= 1;
3112 last_mouse_scroll_bar
= Qnil
;
3113 note_mouse_highlight (frame
, -1, -1);
3114 last_mouse_glyph_frame
= 0;
3118 /* Has the mouse moved off the glyph it was on at the last sighting? */
3119 if (frame
!= last_mouse_glyph_frame
3120 || mouse_x
< last_mouse_glyph
.left
3121 || mouse_x
>= last_mouse_glyph
.right
3122 || mouse_y
< last_mouse_glyph
.top
3123 || mouse_y
>= last_mouse_glyph
.bottom
)
3125 frame
->mouse_moved
= 1;
3126 last_mouse_scroll_bar
= Qnil
;
3127 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3128 /* Remember the mouse position here, as w32_mouse_position only
3129 gets called when mouse tracking is enabled but we also need
3130 to keep track of the mouse for help_echo and highlighting at
3132 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3133 last_mouse_glyph_frame
= frame
;
3141 /************************************************************************
3143 ************************************************************************/
3145 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3146 static void x_scroll_bar_report_motion (FRAME_PTR
*, Lisp_Object
*,
3147 enum scroll_bar_part
*,
3148 Lisp_Object
*, Lisp_Object
*,
3150 static void x_check_fullscreen (struct frame
*);
3153 redo_mouse_highlight (void)
3155 if (!NILP (last_mouse_motion_frame
)
3156 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3157 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3158 LOWORD (last_mouse_motion_event
.lParam
),
3159 HIWORD (last_mouse_motion_event
.lParam
));
3163 w32_define_cursor (Window window
, Cursor cursor
)
3165 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3167 /* Return the current position of the mouse.
3168 *fp should be a frame which indicates which display to ask about.
3170 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3171 and *part to the frame, window, and scroll bar part that the mouse
3172 is over. Set *x and *y to the portion and whole of the mouse's
3173 position on the scroll bar.
3175 If the mouse movement started elsewhere, set *fp to the frame the
3176 mouse is on, *bar_window to nil, and *x and *y to the character cell
3179 Set *time to the server time-stamp for the time at which the mouse
3180 was at this position.
3182 Don't store anything if we don't have a valid set of values to report.
3184 This clears the mouse_moved flag, so we can wait for the next mouse
3188 w32_mouse_position (FRAME_PTR
*fp
, int insist
, Lisp_Object
*bar_window
,
3189 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3190 unsigned long *time
)
3196 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3197 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3202 Lisp_Object frame
, tail
;
3204 /* Clear the mouse-moved flag for every frame on this display. */
3205 FOR_EACH_FRAME (tail
, frame
)
3206 XFRAME (frame
)->mouse_moved
= 0;
3208 last_mouse_scroll_bar
= Qnil
;
3212 /* Now we have a position on the root; find the innermost window
3213 containing the pointer. */
3215 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3216 && FRAME_LIVE_P (last_mouse_frame
))
3218 /* If mouse was grabbed on a frame, give coords for that frame
3219 even if the mouse is now outside it. */
3220 f1
= last_mouse_frame
;
3224 /* Is window under mouse one of our frames? */
3225 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3226 WindowFromPoint (pt
));
3229 /* If not, is it one of our scroll bars? */
3232 struct scroll_bar
*bar
3233 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3237 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3241 if (f1
== 0 && insist
> 0)
3242 f1
= SELECTED_FRAME ();
3246 /* Ok, we found a frame. Store all the values.
3247 last_mouse_glyph is a rectangle used to reduce the
3248 generation of mouse events. To not miss any motion
3249 events, we must divide the frame into rectangles of the
3250 size of the smallest character that could be displayed
3251 on it, i.e. into the same rectangles that matrices on
3252 the frame are divided into. */
3254 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3255 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3256 last_mouse_glyph_frame
= f1
;
3263 *time
= last_mouse_movement_time
;
3272 /***********************************************************************
3274 ***********************************************************************/
3276 /* Handle mouse button event on the tool-bar of frame F, at
3277 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3281 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3283 int x
= XFASTINT (button_event
->x
);
3284 int y
= XFASTINT (button_event
->y
);
3286 if (button_event
->modifiers
& down_modifier
)
3287 handle_tool_bar_click (f
, x
, y
, 1, 0);
3289 handle_tool_bar_click (f
, x
, y
, 0,
3290 button_event
->modifiers
& ~up_modifier
);
3295 /***********************************************************************
3297 ***********************************************************************/
3299 /* Scroll bar support. */
3301 /* Given a window ID, find the struct scroll_bar which manages it.
3302 This can be called in GC, so we have to make sure to strip off mark
3305 static struct scroll_bar
*
3306 x_window_to_scroll_bar (Window window_id
)
3310 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3312 Lisp_Object frame
, bar
, condemned
;
3314 frame
= XCAR (tail
);
3315 /* All elements of Vframe_list should be frames. */
3316 if (! FRAMEP (frame
))
3319 /* Scan this frame's scroll bar list for a scroll bar with the
3321 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3322 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3323 /* This trick allows us to search both the ordinary and
3324 condemned scroll bar lists with one loop. */
3325 ! NILP (bar
) || (bar
= condemned
,
3328 bar
= XSCROLL_BAR (bar
)->next
)
3329 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3330 return XSCROLL_BAR (bar
);
3338 /* Set the thumb size and position of scroll bar BAR. We are currently
3339 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3342 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3343 int portion
, int position
, int whole
)
3345 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3346 /* We use the whole scroll-bar height in the calculations below, to
3347 avoid strange effects like scrolling backwards when just clicking
3348 on the handle (without moving it). */
3349 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3350 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3351 int sb_page
, sb_pos
;
3352 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3355 /* We used to change the nPage setting while dragging the handle,
3356 but that had very strange effects (such as scrolling backwards
3357 while dragging downwards).
3359 Now, we don't change the nPage setting while dragging unless we
3360 get near to the end of the buffer, in which case we often have to
3361 resize the handle to "go all the way". */
3367 si
.cbSize
= sizeof (si
);
3368 si
.fMask
= SIF_POS
| SIF_PAGE
;
3369 GetScrollInfo (w
, SB_CTL
, &si
);
3370 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3378 /* Position scroll bar at rock bottom if the bottom of the
3379 buffer is visible. This avoids shinking the thumb away
3380 to nothing if it is held at the bottom of the buffer. */
3381 if (position
+ portion
>= whole
&& !draggingp
)
3383 sb_page
= range
* (whole
- position
) / whole
;
3388 sb_pos
= position
* range
/ whole
;
3389 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3398 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3402 si
.cbSize
= sizeof (si
);
3403 si
.fMask
= SIF_PAGE
| SIF_POS
;
3407 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3413 /************************************************************************
3414 Scroll bars, general
3415 ************************************************************************/
3418 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3420 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3421 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3425 /*#define ATTACH_THREADS*/
3428 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3430 #ifndef ATTACH_THREADS
3431 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3432 (WPARAM
) hwnd
, (LPARAM
) how
);
3434 return ShowWindow (hwnd
, how
);
3439 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3440 int x
, int y
, int cx
, int cy
, UINT flags
)
3442 #ifndef ATTACH_THREADS
3444 pos
.hwndInsertAfter
= hwndAfter
;
3450 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3452 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3458 my_set_focus (struct frame
* f
, HWND hwnd
)
3460 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3466 my_set_foreground_window (HWND hwnd
)
3468 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3473 my_destroy_window (struct frame
* f
, HWND hwnd
)
3475 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3479 /* Create a scroll bar and return the scroll bar vector for it. W is
3480 the Emacs window on which to create the scroll bar. TOP, LEFT,
3481 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3484 static struct scroll_bar
*
3485 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3487 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3490 struct scroll_bar
*bar
3491 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3495 XSETWINDOW (bar
->window
, w
);
3496 XSETINT (bar
->top
, top
);
3497 XSETINT (bar
->left
, left
);
3498 XSETINT (bar
->width
, width
);
3499 XSETINT (bar
->height
, height
);
3500 XSETINT (bar
->start
, 0);
3501 XSETINT (bar
->end
, 0);
3502 bar
->dragging
= Qnil
;
3503 bar
->fringe_extended_p
= Qnil
;
3505 /* Requires geometry to be set before call to create the real window */
3507 hwnd
= my_create_scrollbar (f
, bar
);
3509 si
.cbSize
= sizeof (si
);
3512 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3513 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3517 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3519 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3521 /* Add bar to its frame's list of scroll bars. */
3522 bar
->next
= FRAME_SCROLL_BARS (f
);
3524 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3525 if (! NILP (bar
->next
))
3526 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3534 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3538 x_scroll_bar_remove (struct scroll_bar
*bar
)
3540 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3544 /* Destroy the window. */
3545 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3547 /* Disassociate this scroll bar from its window. */
3548 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3553 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3554 that we are displaying PORTION characters out of a total of WHOLE
3555 characters, starting at POSITION. If WINDOW has no scroll bar,
3558 w32_set_vertical_scroll_bar (struct window
*w
,
3559 int portion
, int whole
, int position
)
3561 struct frame
*f
= XFRAME (w
->frame
);
3562 struct scroll_bar
*bar
;
3563 int top
, height
, left
, sb_left
, width
, sb_width
;
3564 int window_y
, window_height
;
3565 int fringe_extended_p
;
3567 /* Get window dimensions. */
3568 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3570 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3571 height
= window_height
;
3573 /* Compute the left edge of the scroll bar area. */
3574 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3576 /* Compute the width of the scroll bar which might be less than
3577 the width of the area reserved for the scroll bar. */
3578 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3579 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3583 /* Compute the left edge of the scroll bar. */
3584 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3585 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3587 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3589 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3590 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3591 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3592 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3593 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3595 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3596 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3597 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3598 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3600 /* Does the scroll bar exist yet? */
3601 if (NILP (w
->vertical_scroll_bar
))
3605 if (width
> 0 && height
> 0)
3607 hdc
= get_frame_dc (f
);
3608 if (fringe_extended_p
)
3609 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3611 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3612 release_frame_dc (f
, hdc
);
3616 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3620 /* It may just need to be moved and resized. */
3623 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3624 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3626 /* If already correctly positioned, do nothing. */
3627 if ( XINT (bar
->left
) == sb_left
3628 && XINT (bar
->top
) == top
3629 && XINT (bar
->width
) == sb_width
3630 && XINT (bar
->height
) == height
3631 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3633 /* Redraw after clear_frame. */
3634 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3635 InvalidateRect (hwnd
, NULL
, FALSE
);
3643 if (width
&& height
)
3645 hdc
= get_frame_dc (f
);
3646 /* Since Windows scroll bars are smaller than the space reserved
3647 for them on the frame, we have to clear "under" them. */
3648 if (fringe_extended_p
)
3649 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3651 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3652 release_frame_dc (f
, hdc
);
3654 /* Make sure scroll bar is "visible" before moving, to ensure the
3655 area of the parent window now exposed will be refreshed. */
3656 my_show_window (f
, hwnd
, SW_HIDE
);
3657 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3658 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3659 max (height
, 1), TRUE
);
3661 si
.cbSize
= sizeof (si
);
3662 si
.fMask
= SIF_RANGE
;
3664 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3665 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3667 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3669 my_show_window (f
, hwnd
, SW_NORMAL
);
3670 /* InvalidateRect (w, NULL, FALSE); */
3672 /* Remember new settings. */
3673 XSETINT (bar
->left
, sb_left
);
3674 XSETINT (bar
->top
, top
);
3675 XSETINT (bar
->width
, sb_width
);
3676 XSETINT (bar
->height
, height
);
3681 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3683 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3685 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3689 /* The following three hooks are used when we're doing a thorough
3690 redisplay of the frame. We don't explicitly know which scroll bars
3691 are going to be deleted, because keeping track of when windows go
3692 away is a real pain - "Can you say set-window-configuration, boys
3693 and girls?" Instead, we just assert at the beginning of redisplay
3694 that *all* scroll bars are to be removed, and then save a scroll bar
3695 from the fiery pit when we actually redisplay its window. */
3697 /* Arrange for all scroll bars on FRAME to be removed at the next call
3698 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3699 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3702 w32_condemn_scroll_bars (FRAME_PTR frame
)
3704 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3705 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3708 bar
= FRAME_SCROLL_BARS (frame
);
3709 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3710 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3711 XSCROLL_BAR (bar
)->prev
= Qnil
;
3712 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3713 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3714 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3719 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3720 Note that WINDOW isn't necessarily condemned at all. */
3723 w32_redeem_scroll_bar (struct window
*window
)
3725 struct scroll_bar
*bar
;
3728 /* We can't redeem this window's scroll bar if it doesn't have one. */
3729 if (NILP (window
->vertical_scroll_bar
))
3732 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3734 /* Unlink it from the condemned list. */
3735 f
= XFRAME (WINDOW_FRAME (window
));
3736 if (NILP (bar
->prev
))
3738 /* If the prev pointer is nil, it must be the first in one of
3740 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3741 /* It's not condemned. Everything's fine. */
3743 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3744 window
->vertical_scroll_bar
))
3745 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3747 /* If its prev pointer is nil, it must be at the front of
3748 one or the other! */
3752 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3754 if (! NILP (bar
->next
))
3755 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3757 bar
->next
= FRAME_SCROLL_BARS (f
);
3759 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3760 if (! NILP (bar
->next
))
3761 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3764 /* Remove all scroll bars on FRAME that haven't been saved since the
3765 last call to `*condemn_scroll_bars_hook'. */
3768 w32_judge_scroll_bars (FRAME_PTR f
)
3770 Lisp_Object bar
, next
;
3772 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3774 /* Clear out the condemned list now so we won't try to process any
3775 more events on the hapless scroll bars. */
3776 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3778 for (; ! NILP (bar
); bar
= next
)
3780 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3782 x_scroll_bar_remove (b
);
3785 b
->next
= b
->prev
= Qnil
;
3788 /* Now there should be no references to the condemned scroll bars,
3789 and they should get garbage-collected. */
3792 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3793 is set to something other than NO_EVENT, it is enqueued.
3795 This may be called from a signal handler, so we have to ignore GC
3799 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
3800 struct input_event
*emacs_event
)
3802 if (! WINDOWP (bar
->window
))
3805 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3806 emacs_event
->code
= 0;
3807 /* not really meaningful to distinguish up/down */
3808 emacs_event
->modifiers
= msg
->dwModifiers
;
3809 emacs_event
->frame_or_window
= bar
->window
;
3810 emacs_event
->arg
= Qnil
;
3811 emacs_event
->timestamp
= msg
->msg
.time
;
3814 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3816 int dragging
= !NILP (bar
->dragging
);
3819 si
.cbSize
= sizeof (si
);
3822 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3825 bar
->dragging
= Qnil
;
3828 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3830 switch (LOWORD (msg
->msg
.wParam
))
3833 emacs_event
->part
= scroll_bar_down_arrow
;
3836 emacs_event
->part
= scroll_bar_up_arrow
;
3839 emacs_event
->part
= scroll_bar_above_handle
;
3842 emacs_event
->part
= scroll_bar_below_handle
;
3845 emacs_event
->part
= scroll_bar_handle
;
3849 emacs_event
->part
= scroll_bar_handle
;
3853 case SB_THUMBPOSITION
:
3854 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3855 y
= HIWORD (msg
->msg
.wParam
);
3857 emacs_event
->part
= scroll_bar_handle
;
3859 /* "Silently" update current position. */
3863 si
.cbSize
= sizeof (si
);
3866 /* Remember apparent position (we actually lag behind the real
3867 position, so don't set that directly. */
3868 last_scroll_bar_drag_pos
= y
;
3870 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3874 /* If this is the end of a drag sequence, then reset the scroll
3875 handle size to normal and do a final redraw. Otherwise do
3880 int start
= XINT (bar
->start
);
3881 int end
= XINT (bar
->end
);
3883 si
.cbSize
= sizeof (si
);
3884 si
.fMask
= SIF_PAGE
| SIF_POS
;
3885 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3886 si
.nPos
= last_scroll_bar_drag_pos
;
3887 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3891 emacs_event
->kind
= NO_EVENT
;
3895 XSETINT (emacs_event
->x
, y
);
3896 XSETINT (emacs_event
->y
, top_range
);
3902 /* Return information to the user about the current position of the mouse
3903 on the scroll bar. */
3906 x_scroll_bar_report_motion (FRAME_PTR
*fp
, Lisp_Object
*bar_window
,
3907 enum scroll_bar_part
*part
,
3908 Lisp_Object
*x
, Lisp_Object
*y
,
3909 unsigned long *time
)
3911 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3912 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3913 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3915 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3921 *bar_window
= bar
->window
;
3923 si
.cbSize
= sizeof (si
);
3924 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3926 GetScrollInfo (w
, SB_CTL
, &si
);
3928 top_range
= si
.nMax
- si
.nPage
+ 1;
3930 switch (LOWORD (last_mouse_scroll_bar_pos
))
3932 case SB_THUMBPOSITION
:
3934 *part
= scroll_bar_handle
;
3935 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3936 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3939 *part
= scroll_bar_handle
;
3943 *part
= scroll_bar_handle
;
3948 XSETINT (*y
, top_range
);
3951 last_mouse_scroll_bar
= Qnil
;
3953 *time
= last_mouse_movement_time
;
3959 /* The screen has been cleared so we may have changed foreground or
3960 background colors, and the scroll bars may need to be redrawn.
3961 Clear out the scroll bars, and ask for expose events, so we can
3965 x_scroll_bar_clear (FRAME_PTR f
)
3969 /* We can have scroll bars even if this is 0,
3970 if we just turned off scroll bar mode.
3971 But in that case we should not clear them. */
3972 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
3973 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3974 bar
= XSCROLL_BAR (bar
)->next
)
3976 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
3977 HDC hdc
= GetDC (window
);
3980 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
3981 arranges to refresh the scroll bar if hidden. */
3982 my_show_window (f
, window
, SW_HIDE
);
3984 GetClientRect (window
, &rect
);
3985 select_palette (f
, hdc
);
3986 w32_clear_rect (f
, hdc
, &rect
);
3987 deselect_palette (f
, hdc
);
3989 ReleaseDC (window
, hdc
);
3994 /* The main W32 event-reading loop - w32_read_socket. */
3996 /* Record the last 100 characters stored
3997 to help debug the loss-of-chars-during-GC problem. */
3999 static int temp_index
;
4000 static short temp_buffer
[100];
4002 /* Temporarily store lead byte of DBCS input sequences. */
4003 static char dbcs_lead
= 0;
4005 /* Read events coming from the W32 shell.
4006 This routine is called by the SIGIO handler.
4007 We return as soon as there are no more events to be read.
4009 We return the number of characters stored into the buffer,
4010 thus pretending to be `read'.
4012 EXPECTED is nonzero if the caller knows input is available.
4014 Some of these messages are reposted back to the message queue since the
4015 system calls the windows proc directly in a context where we cannot return
4016 the data nor can we guarantee the state we are in. So if we dispatch them
4017 we will get into an infinite loop. To prevent this from ever happening we
4018 will set a variable to indicate we are in the read_socket call and indicate
4019 which message we are processing since the windows proc gets called
4020 recursively with different messages by the system.
4024 w32_read_socket (struct terminal
*terminal
, int expected
,
4025 struct input_event
*hold_quit
)
4028 int check_visibility
= 0;
4031 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4032 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4034 if (interrupt_input_blocked
)
4036 interrupt_input_pending
= 1;
4040 interrupt_input_pending
= 0;
4043 /* So people can tell when we have read the available input. */
4044 input_signal_count
++;
4046 /* TODO: ghostscript integration. */
4047 while (get_next_msg (&msg
, FALSE
))
4049 struct input_event inev
;
4053 inev
.kind
= NO_EVENT
;
4056 switch (msg
.msg
.message
)
4058 case WM_EMACS_PAINT
:
4059 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4063 if (msg
.rect
.right
== msg
.rect
.left
||
4064 msg
.rect
.bottom
== msg
.rect
.top
)
4066 /* We may get paint messages even though the client
4067 area is clipped - these are not expose events. */
4068 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4071 else if (f
->async_visible
!= 1)
4073 /* Definitely not obscured, so mark as visible. */
4074 f
->async_visible
= 1;
4075 f
->async_iconified
= 0;
4076 SET_FRAME_GARBAGED (f
);
4077 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4080 /* WM_PAINT serves as MapNotify as well, so report
4081 visibility changes properly. */
4084 inev
.kind
= DEICONIFY_EVENT
;
4085 XSETFRAME (inev
.frame_or_window
, f
);
4087 else if (! NILP (Vframe_list
)
4088 && ! NILP (XCDR (Vframe_list
)))
4089 /* Force a redisplay sooner or later to update the
4090 frame titles in case this is the second frame. */
4091 record_asynch_buffer_change ();
4095 HDC hdc
= get_frame_dc (f
);
4097 /* Erase background again for safety. */
4098 w32_clear_rect (f
, hdc
, &msg
.rect
);
4099 release_frame_dc (f
, hdc
);
4103 msg
.rect
.right
- msg
.rect
.left
,
4104 msg
.rect
.bottom
- msg
.rect
.top
);
4109 case WM_INPUTLANGCHANGE
:
4110 /* Generate a language change event. */
4111 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4113 /* lParam contains the input lang ID. Use it to update our
4114 record of the keyboard codepage. */
4115 keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4120 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4121 XSETFRAME (inev
.frame_or_window
, f
);
4122 inev
.code
= msg
.msg
.wParam
;
4123 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4129 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4131 if (f
&& !f
->iconified
)
4133 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4134 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4136 clear_mouse_face (hlinfo
);
4137 hlinfo
->mouse_face_hidden
= 1;
4140 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4142 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4143 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4144 inev
.code
= msg
.msg
.wParam
;
4145 inev
.modifiers
= msg
.dwModifiers
;
4146 XSETFRAME (inev
.frame_or_window
, f
);
4147 inev
.timestamp
= msg
.msg
.time
;
4154 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4156 if (f
&& !f
->iconified
)
4158 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4159 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4161 clear_mouse_face (hlinfo
);
4162 hlinfo
->mouse_face_hidden
= 1;
4165 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4167 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4169 inev
.modifiers
= msg
.dwModifiers
;
4170 XSETFRAME (inev
.frame_or_window
, f
);
4171 inev
.timestamp
= msg
.msg
.time
;
4173 if (msg
.msg
.message
== WM_UNICHAR
)
4175 inev
.code
= msg
.msg
.wParam
;
4177 else if (msg
.msg
.wParam
< 256)
4182 dbcs
[1] = (char) msg
.msg
.wParam
;
4186 dbcs
[0] = dbcs_lead
;
4188 if (!MultiByteToWideChar (keyboard_codepage
, 0,
4192 DebPrint (("Invalid DBCS sequence: %d %d\n",
4194 inev
.kind
= NO_EVENT
;
4198 else if (IsDBCSLeadByteEx (keyboard_codepage
,
4199 (BYTE
) msg
.msg
.wParam
))
4201 dbcs_lead
= (char) msg
.msg
.wParam
;
4202 inev
.kind
= NO_EVENT
;
4207 if (!MultiByteToWideChar (keyboard_codepage
, 0,
4208 &dbcs
[1], 1, &code
, 1))
4210 /* What to do with garbage? */
4211 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4212 inev
.kind
= NO_EVENT
;
4220 /* Windows shouldn't generate WM_CHAR events above 0xFF
4221 in non-Unicode message handlers. */
4222 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4223 inev
.kind
= NO_EVENT
;
4226 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4227 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4232 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4234 if (f
&& !f
->iconified
)
4236 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4237 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4239 clear_mouse_face (hlinfo
);
4240 hlinfo
->mouse_face_hidden
= 1;
4243 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4245 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4246 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4247 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4248 inev
.modifiers
= msg
.dwModifiers
;
4249 XSETFRAME (inev
.frame_or_window
, f
);
4250 inev
.timestamp
= msg
.msg
.time
;
4255 /* Ignore non-movement. */
4257 int x
= LOWORD (msg
.msg
.lParam
);
4258 int y
= HIWORD (msg
.msg
.lParam
);
4259 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4261 last_mousemove_x
= x
;
4262 last_mousemove_y
= y
;
4265 previous_help_echo_string
= help_echo_string
;
4266 help_echo_string
= Qnil
;
4268 if (dpyinfo
->grabbed
&& last_mouse_frame
4269 && FRAME_LIVE_P (last_mouse_frame
))
4270 f
= last_mouse_frame
;
4272 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4274 if (hlinfo
->mouse_face_hidden
)
4276 hlinfo
->mouse_face_hidden
= 0;
4277 clear_mouse_face (hlinfo
);
4282 /* Generate SELECT_WINDOW_EVENTs when needed. */
4283 if (!NILP (Vmouse_autoselect_window
))
4286 int x
= LOWORD (msg
.msg
.lParam
);
4287 int y
= HIWORD (msg
.msg
.lParam
);
4289 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4291 /* Window will be selected only when it is not
4292 selected now and last mouse movement event was
4293 not in it. Minibuffer window will be selected
4294 only when it is active. */
4295 if (WINDOWP (window
)
4296 && !EQ (window
, last_window
)
4297 && !EQ (window
, selected_window
)
4298 /* For click-to-focus window managers
4299 create event iff we don't leave the
4301 && (focus_follows_mouse
4302 || (EQ (XWINDOW (window
)->frame
,
4303 XWINDOW (selected_window
)->frame
))))
4305 inev
.kind
= SELECT_WINDOW_EVENT
;
4306 inev
.frame_or_window
= window
;
4309 last_window
= window
;
4311 if (!note_mouse_movement (f
, &msg
.msg
))
4312 help_echo_string
= previous_help_echo_string
;
4316 /* If we move outside the frame, then we're
4317 certainly no longer on any text in the frame. */
4318 clear_mouse_face (hlinfo
);
4321 /* If the contents of the global variable help_echo_string
4322 has changed, generate a HELP_EVENT. */
4323 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4324 But it was originally changed to this to fix a bug, so I have
4325 not removed it completely in case the bug is still there. */
4326 if (help_echo_string
!= previous_help_echo_string
||
4327 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4328 #else /* This is what xterm.c does. */
4329 if (!NILP (help_echo_string
)
4330 || !NILP (previous_help_echo_string
))
4335 case WM_LBUTTONDOWN
:
4337 case WM_MBUTTONDOWN
:
4339 case WM_RBUTTONDOWN
:
4341 case WM_XBUTTONDOWN
:
4344 /* If we decide we want to generate an event to be seen
4345 by the rest of Emacs, we put it here. */
4350 if (dpyinfo
->grabbed
&& last_mouse_frame
4351 && FRAME_LIVE_P (last_mouse_frame
))
4352 f
= last_mouse_frame
;
4354 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4358 construct_mouse_click (&inev
, &msg
, f
);
4360 /* Is this in the tool-bar? */
4361 if (WINDOWP (f
->tool_bar_window
)
4362 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4365 int x
= XFASTINT (inev
.x
);
4366 int y
= XFASTINT (inev
.y
);
4368 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4370 if (EQ (window
, f
->tool_bar_window
))
4372 w32_handle_tool_bar_click (f
, &inev
);
4378 || (dpyinfo
->w32_focus_frame
4379 && f
!= dpyinfo
->w32_focus_frame
))
4380 inev
.kind
= NO_EVENT
;
4383 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4388 dpyinfo
->grabbed
&= ~ (1 << button
);
4392 dpyinfo
->grabbed
|= (1 << button
);
4393 last_mouse_frame
= f
;
4394 /* Ignore any mouse motion that happened
4395 before this event; any subsequent mouse-movement
4396 Emacs events should reflect only motion after
4402 last_tool_bar_item
= -1;
4408 case WM_MOUSEHWHEEL
:
4410 if (dpyinfo
->grabbed
&& last_mouse_frame
4411 && FRAME_LIVE_P (last_mouse_frame
))
4412 f
= last_mouse_frame
;
4414 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4419 if (!dpyinfo
->w32_focus_frame
4420 || f
== dpyinfo
->w32_focus_frame
)
4422 /* Emit an Emacs wheel-up/down event. */
4423 construct_mouse_wheel (&inev
, &msg
, f
);
4425 /* Ignore any mouse motion that happened before this
4426 event; any subsequent mouse-movement Emacs events
4427 should reflect only motion after the
4431 last_mouse_frame
= f
;
4432 last_tool_bar_item
= -1;
4437 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4440 construct_drag_n_drop (&inev
, &msg
, f
);
4445 struct scroll_bar
*bar
=
4446 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4449 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4453 case WM_WINDOWPOSCHANGED
:
4454 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4457 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4458 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4460 check_visibility
= 1;
4464 case WM_ACTIVATEAPP
:
4465 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4467 x_check_fullscreen (f
);
4468 check_visibility
= 1;
4472 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4474 if (f
&& !f
->async_iconified
)
4478 x_real_positions (f
, &x
, &y
);
4483 check_visibility
= 1;
4487 /* wParam non-zero means Window is about to be shown, 0 means
4488 about to be hidden. */
4489 /* Redo the mouse-highlight after the tooltip has gone. */
4490 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4493 redo_mouse_highlight ();
4496 /* If window has been obscured or exposed by another window
4497 being maximised or minimised/restored, then recheck
4498 visibility of all frames. Direct changes to our own
4499 windows get handled by WM_SIZE. */
4501 if (msg
.msg
.lParam
!= 0)
4502 check_visibility
= 1;
4505 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4506 f
->async_visible
= msg
.msg
.wParam
;
4510 check_visibility
= 1;
4514 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4516 /* Inform lisp of whether frame has been iconified etc. */
4519 switch (msg
.msg
.wParam
)
4521 case SIZE_MINIMIZED
:
4522 f
->async_visible
= 0;
4523 f
->async_iconified
= 1;
4525 inev
.kind
= ICONIFY_EVENT
;
4526 XSETFRAME (inev
.frame_or_window
, f
);
4529 case SIZE_MAXIMIZED
:
4531 f
->async_visible
= 1;
4532 f
->async_iconified
= 0;
4534 /* wait_reading_process_output will notice this and update
4535 the frame's display structures. */
4536 SET_FRAME_GARBAGED (f
);
4542 /* Reset top and left positions of the Window
4543 here since Windows sends a WM_MOVE message
4544 BEFORE telling us the Window is minimized
4545 when the Window is iconified, with 3000,3000
4547 x_real_positions (f
, &x
, &y
);
4551 inev
.kind
= DEICONIFY_EVENT
;
4552 XSETFRAME (inev
.frame_or_window
, f
);
4554 else if (! NILP (Vframe_list
)
4555 && ! NILP (XCDR (Vframe_list
)))
4556 /* Force a redisplay sooner or later
4557 to update the frame titles
4558 in case this is the second frame. */
4559 record_asynch_buffer_change ();
4564 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4572 GetClientRect (msg
.msg
.hwnd
, &rect
);
4574 height
= rect
.bottom
- rect
.top
;
4575 width
= rect
.right
- rect
.left
;
4577 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4578 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4580 /* TODO: Clip size to the screen dimensions. */
4582 /* Even if the number of character rows and columns has
4583 not changed, the font size may have changed, so we need
4584 to check the pixel dimensions as well. */
4586 if (columns
!= FRAME_COLS (f
)
4587 || rows
!= FRAME_LINES (f
)
4588 || width
!= FRAME_PIXEL_WIDTH (f
)
4589 || height
!= FRAME_PIXEL_HEIGHT (f
))
4591 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4592 SET_FRAME_GARBAGED (f
);
4593 cancel_mouse_face (f
);
4594 FRAME_PIXEL_WIDTH (f
) = width
;
4595 FRAME_PIXEL_HEIGHT (f
) = height
;
4596 f
->win_gravity
= NorthWestGravity
;
4600 check_visibility
= 1;
4604 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4607 if (f
== hlinfo
->mouse_face_mouse_frame
)
4609 /* If we move outside the frame, then we're
4610 certainly no longer on any text in the frame. */
4611 clear_mouse_face (hlinfo
);
4612 hlinfo
->mouse_face_mouse_frame
= 0;
4615 /* Generate a nil HELP_EVENT to cancel a help-echo.
4616 Do it only if there's something to cancel.
4617 Otherwise, the startup message is cleared when
4618 the mouse leaves the frame. */
4619 if (any_help_event_p
)
4625 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4627 dpyinfo
->grabbed
= 0;
4628 check_visibility
= 1;
4632 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4636 if (f
== dpyinfo
->w32_focus_event_frame
)
4637 dpyinfo
->w32_focus_event_frame
= 0;
4639 if (f
== dpyinfo
->w32_focus_frame
)
4640 x_new_focus_frame (dpyinfo
, 0);
4642 if (f
== hlinfo
->mouse_face_mouse_frame
)
4644 /* If we move outside the frame, then we're
4645 certainly no longer on any text in the frame. */
4646 clear_mouse_face (hlinfo
);
4647 hlinfo
->mouse_face_mouse_frame
= 0;
4650 /* Generate a nil HELP_EVENT to cancel a help-echo.
4651 Do it only if there's something to cancel.
4652 Otherwise, the startup message is cleared when
4653 the mouse leaves the frame. */
4654 if (any_help_event_p
)
4658 dpyinfo
->grabbed
= 0;
4659 check_visibility
= 1;
4663 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4667 inev
.kind
= DELETE_WINDOW_EVENT
;
4668 XSETFRAME (inev
.frame_or_window
, f
);
4673 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4677 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4678 XSETFRAME (inev
.frame_or_window
, f
);
4683 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4687 extern void menubar_selection_callback
4688 (FRAME_PTR f
, void * client_data
);
4689 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4692 check_visibility
= 1;
4695 case WM_DISPLAYCHANGE
:
4696 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4700 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4701 DebPrint (("display change: %d %d\n",
4702 (short) LOWORD (msg
.msg
.lParam
),
4703 (short) HIWORD (msg
.msg
.lParam
)));
4706 check_visibility
= 1;
4710 /* Check for messages registered at runtime. */
4711 if (msg
.msg
.message
== msh_mousewheel
)
4713 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4714 msg
.msg
.message
= WM_MOUSEWHEEL
;
4720 if (inev
.kind
!= NO_EVENT
)
4722 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4727 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4732 XSETFRAME (frame
, f
);
4738 if (NILP (help_echo_string
))
4740 help_echo_object
= help_echo_window
= Qnil
;
4744 any_help_event_p
= 1;
4745 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4746 help_echo_object
, help_echo_pos
);
4750 help_echo_string
= Qnil
;
4751 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4757 /* If the focus was just given to an autoraising frame,
4759 /* ??? This ought to be able to handle more than one such frame. */
4760 if (pending_autoraise_frame
)
4762 x_raise_frame (pending_autoraise_frame
);
4763 pending_autoraise_frame
= 0;
4766 /* Check which frames are still visisble, if we have enqueued any user
4767 events or been notified of events that may affect visibility. We
4768 do this here because there doesn't seem to be any direct
4769 notification from Windows that the visibility of a window has
4770 changed (at least, not in all cases). */
4771 if (count
> 0 || check_visibility
)
4773 Lisp_Object tail
, frame
;
4775 FOR_EACH_FRAME (tail
, frame
)
4777 FRAME_PTR f
= XFRAME (frame
);
4778 /* The tooltip has been drawn already. Avoid the
4779 SET_FRAME_GARBAGED below. */
4780 if (EQ (frame
, tip_frame
))
4783 /* Check "visible" frames and mark each as obscured or not.
4784 Note that async_visible is nonzero for unobscured and
4785 obscured frames, but zero for hidden and iconified frames. */
4786 if (FRAME_W32_P (f
) && f
->async_visible
)
4792 /* Query clipping rectangle for the entire window area
4793 (GetWindowDC), not just the client portion (GetDC).
4794 Otherwise, the scrollbars and menubar aren't counted as
4795 part of the visible area of the frame, and we may think
4796 the frame is obscured when really a scrollbar is still
4797 visible and gets WM_PAINT messages above. */
4798 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4799 GetClipBox (hdc
, &clipbox
);
4800 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4803 if (clipbox
.right
== clipbox
.left
4804 || clipbox
.bottom
== clipbox
.top
)
4806 /* Frame has become completely obscured so mark as
4807 such (we do this by setting async_visible to 2 so
4808 that FRAME_VISIBLE_P is still true, but redisplay
4810 f
->async_visible
= 2;
4812 if (!FRAME_OBSCURED_P (f
))
4814 DebPrint (("frame %p (%s) obscured\n", f
,
4820 /* Frame is not obscured, so mark it as such. */
4821 f
->async_visible
= 1;
4823 if (FRAME_OBSCURED_P (f
))
4825 SET_FRAME_GARBAGED (f
);
4826 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4829 /* Force a redisplay sooner or later. */
4830 record_asynch_buffer_change ();
4843 /***********************************************************************
4845 ***********************************************************************/
4847 /* Set clipping for output in glyph row ROW. W is the window in which
4848 we operate. GC is the graphics context to set clipping in.
4850 ROW may be a text row or, e.g., a mode line. Text rows must be
4851 clipped to the interior of the window dedicated to text display,
4852 mode lines must be clipped to the whole window. */
4855 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
, int area
, HDC hdc
)
4857 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4859 int window_x
, window_y
, window_width
;
4861 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4863 clip_rect
.left
= window_x
;
4864 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4865 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4866 clip_rect
.right
= clip_rect
.left
+ window_width
;
4867 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4869 w32_set_clip_rectangle (hdc
, &clip_rect
);
4873 /* Draw a hollow box cursor on window W in glyph row ROW. */
4876 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
4878 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4882 struct glyph
*cursor_glyph
;
4883 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4885 /* Get the glyph the cursor is on. If we can't tell because
4886 the current matrix is invalid or such, give up. */
4887 cursor_glyph
= get_phys_cursor_glyph (w
);
4888 if (cursor_glyph
== NULL
)
4891 /* Compute frame-relative coordinates for phys cursor. */
4892 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4895 rect
.bottom
= rect
.top
+ h
;
4896 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4898 hdc
= get_frame_dc (f
);
4899 /* Set clipping, draw the rectangle, and reset clipping again. */
4900 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4901 FrameRect (hdc
, &rect
, hb
);
4903 w32_set_clip_rectangle (hdc
, NULL
);
4904 release_frame_dc (f
, hdc
);
4908 /* Draw a bar cursor on window W in glyph row ROW.
4910 Implementation note: One would like to draw a bar cursor with an
4911 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4912 Unfortunately, I didn't find a font yet that has this property set.
4916 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
4917 int width
, enum text_cursor_kinds kind
)
4919 struct frame
*f
= XFRAME (w
->frame
);
4920 struct glyph
*cursor_glyph
;
4922 /* If cursor is out of bounds, don't draw garbage. This can happen
4923 in mini-buffer windows when switching between echo area glyphs
4925 cursor_glyph
= get_phys_cursor_glyph (w
);
4926 if (cursor_glyph
== NULL
)
4929 /* If on an image, draw like a normal cursor. That's usually better
4930 visible than drawing a bar, esp. if the image is large so that
4931 the bar might not be in the window. */
4932 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4934 struct glyph_row
*row
;
4935 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4936 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4940 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4941 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4945 /* If the glyph's background equals the color we normally draw
4946 the bar cursor in, the bar cursor in its normal color is
4947 invisible. Use the glyph's foreground color instead in this
4948 case, on the assumption that the glyph's colors are chosen so
4949 that the glyph is legible. */
4950 if (face
->background
== cursor_color
)
4951 cursor_color
= face
->foreground
;
4953 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4955 hdc
= get_frame_dc (f
);
4956 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4958 if (kind
== BAR_CURSOR
)
4961 width
= FRAME_CURSOR_WIDTH (f
);
4962 width
= min (cursor_glyph
->pixel_width
, width
);
4964 w
->phys_cursor_width
= width
;
4966 /* If the character under cursor is R2L, draw the bar cursor
4967 on the right of its glyph, rather than on the left. */
4968 if ((cursor_glyph
->resolved_level
& 1) != 0)
4969 x
+= cursor_glyph
->pixel_width
- width
;
4971 w32_fill_area (f
, hdc
, cursor_color
, x
,
4972 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
4973 width
, row
->height
);
4977 int dummy_x
, dummy_y
, dummy_h
;
4980 width
= row
->height
;
4982 width
= min (row
->height
, width
);
4984 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
4985 &dummy_y
, &dummy_h
);
4986 w32_fill_area (f
, hdc
, cursor_color
, x
,
4987 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
4988 row
->height
- width
),
4989 w
->phys_cursor_width
, width
);
4992 w32_set_clip_rectangle (hdc
, NULL
);
4993 release_frame_dc (f
, hdc
);
4998 /* RIF: Define cursor CURSOR on frame F. */
5001 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5003 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5007 /* RIF: Clear area on frame F. */
5010 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5014 hdc
= get_frame_dc (f
);
5015 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5016 release_frame_dc (f
, hdc
);
5019 /* RIF: Draw or clear cursor on window W. */
5022 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5023 int x
, int y
, int cursor_type
, int cursor_width
,
5024 int on_p
, int active_p
)
5028 /* If the user wants to use the system caret, make sure our own
5029 cursor remains invisible. */
5030 if (w32_use_visible_system_caret
)
5032 /* Call to erase_phys_cursor here seems to use the
5033 wrong values of w->phys_cursor, as they have been
5034 overwritten before this function was called. */
5035 if (w
->phys_cursor_type
!= NO_CURSOR
)
5036 erase_phys_cursor (w
);
5038 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5039 w
->phys_cursor_width
= -1;
5043 w
->phys_cursor_type
= cursor_type
;
5046 w
->phys_cursor_on_p
= 1;
5048 /* If this is the active cursor, we need to track it with the
5049 system caret, so third party software like screen magnifiers
5050 and speech synthesizers can follow the cursor. */
5053 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5054 HWND hwnd
= FRAME_W32_WINDOW (f
);
5057 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5059 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5060 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5062 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5064 /* If the size of the active cursor changed, destroy the old
5066 if (w32_system_caret_hwnd
5067 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5068 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5070 w32_system_caret_height
= w
->phys_cursor_height
;
5072 /* Move the system caret. */
5073 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5076 if (glyph_row
->exact_window_width_line_p
5077 && (glyph_row
->reversed_p
5078 ? (w
->phys_cursor
.hpos
< 0)
5079 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5081 glyph_row
->cursor_in_fringe_p
= 1;
5082 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5086 switch (cursor_type
)
5088 case HOLLOW_BOX_CURSOR
:
5089 x_draw_hollow_cursor (w
, glyph_row
);
5092 case FILLED_BOX_CURSOR
:
5093 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5097 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5101 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5105 w
->phys_cursor_width
= 0;
5119 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5122 HANDLE small_icon
= NULL
;
5124 if (FRAME_W32_WINDOW (f
) == 0)
5128 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5129 else if (STRINGP (icon
))
5131 /* Load the main icon from the named file. */
5132 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5133 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5134 /* Try to load a small icon to go with it. */
5135 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5136 GetSystemMetrics (SM_CXSMICON
),
5137 GetSystemMetrics (SM_CYSMICON
),
5140 else if (SYMBOLP (icon
))
5144 if (EQ (icon
, intern ("application")))
5145 name
= (LPCTSTR
) IDI_APPLICATION
;
5146 else if (EQ (icon
, intern ("hand")))
5147 name
= (LPCTSTR
) IDI_HAND
;
5148 else if (EQ (icon
, intern ("question")))
5149 name
= (LPCTSTR
) IDI_QUESTION
;
5150 else if (EQ (icon
, intern ("exclamation")))
5151 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5152 else if (EQ (icon
, intern ("asterisk")))
5153 name
= (LPCTSTR
) IDI_ASTERISK
;
5154 else if (EQ (icon
, intern ("winlogo")))
5155 name
= (LPCTSTR
) IDI_WINLOGO
;
5159 main_icon
= LoadIcon (NULL
, name
);
5164 if (main_icon
== NULL
)
5167 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5168 (LPARAM
) main_icon
);
5170 /* If there is a small icon that goes with it, set that too. */
5172 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5173 (LPARAM
) small_icon
);
5179 /************************************************************************
5181 ************************************************************************/
5183 /* Display Error Handling functions not used on W32. Listing them here
5184 helps diff stay in step when comparing w32term.c with xterm.c.
5186 x_error_catcher (display, error)
5187 x_catch_errors (dpy)
5188 x_catch_errors_unwind (old_val)
5189 x_check_errors (dpy, format)
5190 x_fully_uncatch_errors ()
5191 x_catching_errors ()
5192 x_had_errors_p (dpy)
5193 x_clear_errors (dpy)
5194 x_uncatch_errors (dpy, count)
5196 x_connection_signal (signalnum)
5197 x_connection_closed (dpy, error_message)
5198 x_error_quitter (display, error)
5199 x_error_handler (display, error)
5200 x_io_error_quitter (display)
5205 /* Changing the font of the frame. */
5208 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5210 struct font
*font
= XFONT_OBJECT (font_object
);
5213 fontset
= fontset_from_font (font_object
);
5214 FRAME_FONTSET (f
) = fontset
;
5215 if (FRAME_FONT (f
) == font
)
5216 /* This font is already set in frame F. There's nothing more to
5220 FRAME_FONT (f
) = font
;
5221 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5222 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5223 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5224 FRAME_LINE_HEIGHT (f
) = font
->height
;
5226 compute_fringe_widths (f
, 1);
5228 /* Compute the scroll bar width in character columns. */
5229 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5231 int wid
= FRAME_COLUMN_WIDTH (f
);
5232 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5233 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5237 int wid
= FRAME_COLUMN_WIDTH (f
);
5238 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5241 /* Now make the frame display the given font. */
5242 if (FRAME_X_WINDOW (f
) != 0)
5244 /* Don't change the size of a tip frame; there's no point in
5245 doing it because it's done in Fx_show_tip, and it leads to
5246 problems because the tip frame has no widget. */
5247 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5248 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5251 /* X version sets font of input methods here also. */
5257 /***********************************************************************
5258 TODO: W32 Input Methods
5259 ***********************************************************************/
5260 /* Listing missing functions from xterm.c helps diff stay in step.
5262 xim_destroy_callback (xim, client_data, call_data)
5263 xim_open_dpy (dpyinfo, resource_name)
5265 xim_instantiate_callback (display, client_data, call_data)
5266 xim_initialize (dpyinfo, resource_name)
5267 xim_close_dpy (dpyinfo)
5272 /* Calculate the absolute position in frame F
5273 from its current recorded position values and gravity. */
5276 x_calc_absolute_position (struct frame
*f
)
5278 int flags
= f
->size_hint_flags
;
5280 /* The sum of the widths of the frame's left and right borders, and
5281 the sum of the heights of the frame's top and bottom borders (in
5282 pixels) drawn by Windows. */
5283 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5285 /* Try to get the actual values of these two variables. We compute
5286 the border width (height) by subtracting the width (height) of
5287 the frame's client area from the width (height) of the frame's
5289 WINDOWPLACEMENT wp
= { 0 };
5290 RECT client_rect
= { 0 };
5292 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5293 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5295 left_right_borders_width
=
5296 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5297 (client_rect
.right
- client_rect
.left
);
5299 top_bottom_borders_height
=
5300 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5301 (client_rect
.bottom
- client_rect
.top
);
5305 /* Use sensible default values. */
5306 left_right_borders_width
= 8;
5307 top_bottom_borders_height
= 32;
5310 /* Treat negative positions as relative to the rightmost bottommost
5311 position that fits on the screen. */
5312 if (flags
& XNegative
)
5313 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5314 - FRAME_PIXEL_WIDTH (f
)
5316 - (left_right_borders_width
- 1));
5318 if (flags
& YNegative
)
5319 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5320 - FRAME_PIXEL_HEIGHT (f
)
5322 - (top_bottom_borders_height
- 1));
5324 /* The left_pos and top_pos are now relative to the top and left
5325 screen edges, so the flags should correspond. */
5326 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5329 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5330 to really change the position, and 0 when calling from
5331 x_make_frame_visible (in that case, XOFF and YOFF are the current
5332 position values). It is -1 when calling from x_set_frame_parameters,
5333 which means, do adjust for borders but don't change the gravity. */
5336 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5339 int modified_top
, modified_left
;
5341 if (change_gravity
> 0)
5345 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5347 f
->size_hint_flags
|= XNegative
;
5349 f
->size_hint_flags
|= YNegative
;
5350 f
->win_gravity
= NorthWestGravity
;
5352 x_calc_absolute_position (f
);
5355 x_wm_set_size_hint (f
, (long) 0, 0);
5357 modified_left
= f
->left_pos
;
5358 modified_top
= f
->top_pos
;
5360 my_set_window_pos (FRAME_W32_WINDOW (f
),
5362 modified_left
, modified_top
,
5364 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5369 /* Check if we need to resize the frame due to a fullscreen request.
5370 If so needed, resize the frame. */
5372 x_check_fullscreen (struct frame
*f
)
5374 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5376 int width
, height
, ign
;
5378 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5380 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5382 /* We do not need to move the window, it shall be taken care of
5383 when setting WM manager hints. */
5384 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5386 change_frame_size (f
, height
, width
, 0, 1, 0);
5387 SET_FRAME_GARBAGED (f
);
5388 cancel_mouse_face (f
);
5390 /* Wait for the change of frame size to occur */
5391 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5396 /* Call this to change the size of frame F's x-window.
5397 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5398 for this size change and subsequent size changes.
5399 Otherwise we leave the window gravity unchanged. */
5402 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5404 int pixelwidth
, pixelheight
;
5408 check_frame_size (f
, &rows
, &cols
);
5409 f
->scroll_bar_actual_width
5410 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5412 compute_fringe_widths (f
, 0);
5414 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5415 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5417 f
->win_gravity
= NorthWestGravity
;
5418 x_wm_set_size_hint (f
, (long) 0, 0);
5423 rect
.left
= rect
.top
= 0;
5424 rect
.right
= pixelwidth
;
5425 rect
.bottom
= pixelheight
;
5427 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5428 FRAME_EXTERNAL_MENU_BAR (f
));
5430 my_set_window_pos (FRAME_W32_WINDOW (f
),
5433 rect
.right
- rect
.left
,
5434 rect
.bottom
- rect
.top
,
5435 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5439 /* The following mirrors what is done in xterm.c. It appears to be
5440 for informing lisp of the new size immediately, while the actual
5441 resize will happen asynchronously. But on Windows, the menu bar
5442 automatically wraps when the frame is too narrow to contain it,
5443 and that causes any calculations made here to come out wrong. The
5444 end is some nasty buggy behavior, including the potential loss
5447 Disabling this code is either not sufficient to fix the problems
5448 completely, or it causes fresh problems, but at least it removes
5449 the most problematic symptom of the minibuffer becoming unusable.
5451 -----------------------------------------------------------------
5453 Now, strictly speaking, we can't be sure that this is accurate,
5454 but the window manager will get around to dealing with the size
5455 change request eventually, and we'll hear how it went when the
5456 ConfigureNotify event gets here.
5458 We could just not bother storing any of this information here,
5459 and let the ConfigureNotify event set everything up, but that
5460 might be kind of confusing to the Lisp code, since size changes
5461 wouldn't be reported in the frame parameters until some random
5462 point in the future when the ConfigureNotify event arrives.
5464 We pass 1 for DELAY since we can't run Lisp code inside of
5466 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5467 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5468 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5470 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5471 receive in the ConfigureNotify event; if we get what we asked
5472 for, then the event won't cause the screen to become garbaged, so
5473 we have to make sure to do it here. */
5474 SET_FRAME_GARBAGED (f
);
5476 /* If cursor was outside the new size, mark it as off. */
5477 mark_window_cursors_off (XWINDOW (f
->root_window
));
5479 /* Clear out any recollection of where the mouse highlighting was,
5480 since it might be in a place that's outside the new frame size.
5481 Actually checking whether it is outside is a pain in the neck,
5482 so don't try--just let the highlighting be done afresh with new size. */
5483 cancel_mouse_face (f
);
5489 /* Mouse warping. */
5491 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5494 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5498 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5499 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5501 if (pix_x
< 0) pix_x
= 0;
5502 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5504 if (pix_y
< 0) pix_y
= 0;
5505 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5507 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5511 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5518 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5519 pt
.x
= rect
.left
+ pix_x
;
5520 pt
.y
= rect
.top
+ pix_y
;
5521 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5523 SetCursorPos (pt
.x
, pt
.y
);
5529 /* focus shifting, raising and lowering. */
5532 x_focus_on_frame (struct frame
*f
)
5534 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5536 /* Give input focus to frame. */
5539 /* Try not to change its Z-order if possible. */
5540 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5541 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5544 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5549 x_unfocus_frame (struct frame
*f
)
5553 /* Raise frame F. */
5555 x_raise_frame (struct frame
*f
)
5559 /* Strictly speaking, raise-frame should only change the frame's Z
5560 order, leaving input focus unchanged. This is reasonable behavior
5561 on X where the usual policy is point-to-focus. However, this
5562 behavior would be very odd on Windows where the usual policy is
5565 On X, if the mouse happens to be over the raised frame, it gets
5566 input focus anyway (so the window with focus will never be
5567 completely obscured) - if not, then just moving the mouse over it
5568 is sufficient to give it focus. On Windows, the user must actually
5569 click on the frame (preferrably the title bar so as not to move
5570 point), which is more awkward. Also, no other Windows program
5571 raises a window to the top but leaves another window (possibly now
5572 completely obscured) with input focus.
5574 Because there is a system setting on Windows that allows the user
5575 to choose the point to focus policy, we make the strict semantics
5576 optional, but by default we grab focus when raising. */
5578 if (NILP (Vw32_grab_focus_on_raise
))
5580 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5581 not already the foreground application: the frame is raised
5582 above all other frames belonging to us, but not above the
5583 current top window. To achieve that, we have to resort to this
5584 more cumbersome method. */
5586 HDWP handle
= BeginDeferWindowPos (2);
5589 DeferWindowPos (handle
,
5590 FRAME_W32_WINDOW (f
),
5593 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5595 DeferWindowPos (handle
,
5596 GetForegroundWindow (),
5597 FRAME_W32_WINDOW (f
),
5599 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5601 EndDeferWindowPos (handle
);
5606 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5612 /* Lower frame F. */
5614 x_lower_frame (struct frame
*f
)
5617 my_set_window_pos (FRAME_W32_WINDOW (f
),
5620 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5625 w32_frame_raise_lower (FRAME_PTR f
, int raise_flag
)
5627 if (! FRAME_W32_P (f
))
5636 /* Change of visibility. */
5638 /* This tries to wait until the frame is really visible.
5639 However, if the window manager asks the user where to position
5640 the frame, this will return before the user finishes doing that.
5641 The frame will not actually be visible at that time,
5642 but it will become visible later when the window manager
5643 finishes with it. */
5646 x_make_frame_visible (struct frame
*f
)
5652 type
= x_icon_type (f
);
5654 x_bitmap_icon (f
, type
);
5656 if (! FRAME_VISIBLE_P (f
))
5658 /* We test FRAME_GARBAGED_P here to make sure we don't
5659 call x_set_offset a second time
5660 if we get to x_make_frame_visible a second time
5661 before the window gets really visible. */
5662 if (! FRAME_ICONIFIED_P (f
)
5663 && ! f
->output_data
.w32
->asked_for_visible
)
5668 /* Adjust vertical window position in order to avoid being
5669 covered by a task bar placed at the bottom of the desktop. */
5670 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5671 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5672 if (window_rect
.bottom
> workarea_rect
.bottom
5673 && window_rect
.top
> workarea_rect
.top
)
5674 f
->top_pos
= max (window_rect
.top
5675 - window_rect
.bottom
+ workarea_rect
.bottom
,
5678 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5681 f
->output_data
.w32
->asked_for_visible
= 1;
5683 /* The first of these seems to give more expected behavior, but
5684 was added as a commented out line in Sept 1997, with the
5685 second version remaining uncommented. There may have been
5686 some problem with it that led to it not being enabled,
5687 so the old version remains commented out below in case we
5688 decide we need to go back to it [23.0.60 2008-06-09]. */
5689 my_show_window (f
, FRAME_W32_WINDOW (f
),
5690 f
->async_iconified
? SW_RESTORE
: SW_SHOW
);
5691 /* my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); */
5694 /* Synchronize to ensure Emacs knows the frame is visible
5695 before we do anything else. We do this loop with input not blocked
5696 so that incoming events are handled. */
5701 /* This must come after we set COUNT. */
5704 XSETFRAME (frame
, f
);
5706 /* Wait until the frame is visible. Process X events until a
5707 MapNotify event has been seen, or until we think we won't get a
5708 MapNotify at all.. */
5709 for (count
= input_signal_count
+ 10;
5710 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5712 /* Force processing of queued events. */
5713 /* TODO: x_sync equivalent? */
5715 /* Machines that do polling rather than SIGIO have been observed
5716 to go into a busy-wait here. So we'll fake an alarm signal
5717 to let the handler know that there's something to be read.
5718 We used to raise a real alarm, but it seems that the handler
5719 isn't always enabled here. This is probably a bug. */
5720 if (input_polling_used ())
5722 /* It could be confusing if a real alarm arrives while processing
5723 the fake one. Turn it off and let the handler reset it. */
5724 int old_poll_suppress_count
= poll_suppress_count
;
5725 poll_suppress_count
= 1;
5726 poll_for_input_1 ();
5727 poll_suppress_count
= old_poll_suppress_count
;
5730 FRAME_SAMPLE_VISIBILITY (f
);
5734 /* Change from mapped state to withdrawn state. */
5736 /* Make the frame visible (mapped and not iconified). */
5739 x_make_frame_invisible (struct frame
*f
)
5741 /* Don't keep the highlight on an invisible frame. */
5742 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5743 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5747 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5749 /* We can't distinguish this from iconification
5750 just by the event that we get from the server.
5751 So we can't win using the usual strategy of letting
5752 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5753 and synchronize with the server to make sure we agree. */
5755 FRAME_ICONIFIED_P (f
) = 0;
5756 f
->async_visible
= 0;
5757 f
->async_iconified
= 0;
5762 /* Change window state from mapped to iconified. */
5765 x_iconify_frame (struct frame
*f
)
5769 /* Don't keep the highlight on an invisible frame. */
5770 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5771 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5773 if (f
->async_iconified
)
5778 type
= x_icon_type (f
);
5780 x_bitmap_icon (f
, type
);
5782 /* Simulate the user minimizing the frame. */
5783 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5789 /* Free X resources of frame F. */
5792 x_free_frame_resources (struct frame
*f
)
5794 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5795 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
5799 /* We must free faces before destroying windows because some
5800 font-driver (e.g. xft) access a window while finishing a
5802 if (FRAME_FACE_CACHE (f
))
5803 free_frame_faces (f
);
5805 if (FRAME_W32_WINDOW (f
))
5806 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5808 free_frame_menubar (f
);
5810 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5811 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5812 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5813 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5814 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5815 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5816 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5817 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5818 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5819 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5821 if (FRAME_FACE_CACHE (f
))
5822 free_frame_faces (f
);
5824 xfree (f
->output_data
.w32
);
5825 f
->output_data
.w32
= NULL
;
5827 if (f
== dpyinfo
->w32_focus_frame
)
5828 dpyinfo
->w32_focus_frame
= 0;
5829 if (f
== dpyinfo
->w32_focus_event_frame
)
5830 dpyinfo
->w32_focus_event_frame
= 0;
5831 if (f
== dpyinfo
->x_highlight_frame
)
5832 dpyinfo
->x_highlight_frame
= 0;
5834 if (f
== hlinfo
->mouse_face_mouse_frame
)
5836 hlinfo
->mouse_face_beg_row
5837 = hlinfo
->mouse_face_beg_col
= -1;
5838 hlinfo
->mouse_face_end_row
5839 = hlinfo
->mouse_face_end_col
= -1;
5840 hlinfo
->mouse_face_window
= Qnil
;
5841 hlinfo
->mouse_face_deferred_gc
= 0;
5842 hlinfo
->mouse_face_mouse_frame
= 0;
5849 /* Destroy the window of frame F. */
5851 x_destroy_window (struct frame
*f
)
5853 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5855 x_free_frame_resources (f
);
5856 dpyinfo
->reference_count
--;
5860 /* Setting window manager hints. */
5862 /* Set the normal size hints for the window manager, for frame F.
5863 FLAGS is the flags word to use--or 0 meaning preserve the flags
5864 that the window now has.
5865 If USER_POSITION is nonzero, we set the USPosition
5866 flag (this is useful when FLAGS is 0). */
5868 x_wm_set_size_hint (struct frame
*f
, long flags
, int user_position
)
5870 Window window
= FRAME_W32_WINDOW (f
);
5874 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5875 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5876 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5877 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5882 /* Window manager things */
5884 x_wm_set_icon_position (struct frame
*f
, int icon_x
, int icon_y
)
5887 Window window
= FRAME_W32_WINDOW (f
);
5889 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5890 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5891 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5893 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5898 /***********************************************************************
5900 ***********************************************************************/
5902 static int w32_initialized
= 0;
5905 w32_initialize_display_info (Lisp_Object display_name
)
5907 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5908 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
5910 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
5912 /* Put it on w32_display_name_list. */
5913 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5914 w32_display_name_list
);
5915 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
5917 dpyinfo
->w32_id_name
5918 = (char *) xmalloc (SCHARS (Vinvocation_name
)
5919 + SCHARS (Vsystem_name
)
5921 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
5922 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
5924 /* Default Console mode values - overridden when running in GUI mode
5925 with values obtained from system metrics. */
5928 dpyinfo
->n_planes
= 1;
5929 dpyinfo
->n_cbits
= 4;
5930 dpyinfo
->n_fonts
= 0;
5931 dpyinfo
->smallest_font_height
= 1;
5932 dpyinfo
->smallest_char_width
= 1;
5934 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
5935 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
5936 hlinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
5937 hlinfo
->mouse_face_window
= Qnil
;
5938 hlinfo
->mouse_face_overlay
= Qnil
;
5939 hlinfo
->mouse_face_hidden
= 0;
5941 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
5942 /* TODO: dpyinfo->gray */
5946 /* Create an xrdb-style database of resources to supercede registry settings.
5947 The database is just a concatenation of C strings, finished by an additional
5948 \0. The strings are submitted to some basic normalization, so
5950 [ *]option[ *]:[ *]value...
5956 but any whitespace following value is not removed. */
5959 w32_make_rdb (char *xrm_option
)
5961 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
5962 char *current
= buffer
;
5965 int before_value
= 0;
5979 if (in_option
&& (ch
== ':'))
5984 else if (before_value
)
5989 else if (!(in_option
|| before_value
))
6001 x_flush (struct frame
* f
)
6002 { /* Nothing to do */ }
6005 extern frame_parm_handler w32_frame_parm_handlers
[];
6007 static struct redisplay_interface w32_redisplay_interface
=
6009 w32_frame_parm_handlers
,
6013 x_clear_end_of_line
,
6015 x_after_update_window_line
,
6016 x_update_window_begin
,
6017 x_update_window_end
,
6020 0, /* flush_display_optional */
6021 x_clear_window_mouse_face
,
6022 x_get_glyph_overhangs
,
6023 x_fix_overlapping_area
,
6024 w32_draw_fringe_bitmap
,
6025 w32_define_fringe_bitmap
,
6026 w32_destroy_fringe_bitmap
,
6027 w32_compute_glyph_string_overhangs
,
6028 x_draw_glyph_string
,
6029 w32_define_frame_cursor
,
6030 w32_clear_frame_area
,
6031 w32_draw_window_cursor
,
6032 w32_draw_vertical_window_border
,
6033 w32_shift_glyphs_for_insert
6036 static void x_delete_terminal (struct terminal
*term
);
6038 static struct terminal
*
6039 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6041 struct terminal
*terminal
;
6043 terminal
= create_terminal ();
6045 terminal
->type
= output_w32
;
6046 terminal
->display_info
.w32
= dpyinfo
;
6047 dpyinfo
->terminal
= terminal
;
6049 /* MSVC does not type K&R functions with no arguments correctly, and
6050 so we must explicitly cast them. */
6051 terminal
->clear_frame_hook
= x_clear_frame
;
6052 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6053 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6054 terminal
->ring_bell_hook
= w32_ring_bell
;
6055 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6056 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6057 terminal
->update_begin_hook
= x_update_begin
;
6058 terminal
->update_end_hook
= x_update_end
;
6059 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6060 terminal
->read_socket_hook
= w32_read_socket
;
6061 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6062 terminal
->mouse_position_hook
= w32_mouse_position
;
6063 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6064 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6065 // terminal->fullscreen_hook = XTfullscreen_hook;
6066 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6067 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6068 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6069 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6071 terminal
->delete_frame_hook
= x_destroy_window
;
6072 terminal
->delete_terminal_hook
= x_delete_terminal
;
6074 terminal
->rif
= &w32_redisplay_interface
;
6075 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6076 terminal
->char_ins_del_ok
= 1;
6077 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6078 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6079 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6082 /* We don't yet support separate terminals on W32, so don't try to share
6083 keyboards between virtual terminals that are on the same physical
6084 terminal like X does. */
6085 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6086 init_kboard (terminal
->kboard
);
6087 terminal
->kboard
->Vwindow_system
= intern ("w32");
6088 terminal
->kboard
->next_kboard
= all_kboards
;
6089 all_kboards
= terminal
->kboard
;
6090 /* Don't let the initial kboard remain current longer than necessary.
6091 That would cause problems if a file loaded on startup tries to
6092 prompt in the mini-buffer. */
6093 if (current_kboard
== initial_kboard
)
6094 current_kboard
= terminal
->kboard
;
6095 terminal
->kboard
->reference_count
++;
6101 x_delete_terminal (struct terminal
*terminal
)
6103 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6106 /* Protect against recursive calls. delete_frame in
6107 delete_terminal calls us back when it deletes our last frame. */
6108 if (!terminal
->name
)
6113 x_delete_display (dpyinfo
);
6117 struct w32_display_info
*
6118 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6120 struct w32_display_info
*dpyinfo
;
6121 struct terminal
*terminal
;
6126 if (!w32_initialized
)
6129 w32_initialized
= 1;
6132 w32_initialize_display_info (display_name
);
6134 dpyinfo
= &one_w32_display_info
;
6135 terminal
= w32_create_terminal (dpyinfo
);
6137 /* Set the name of the terminal. */
6138 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6139 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6140 terminal
->name
[SBYTES (display_name
)] = 0;
6142 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6144 /* Put this display on the chain. */
6145 dpyinfo
->next
= x_display_list
;
6146 x_display_list
= dpyinfo
;
6150 dpyinfo
->root_window
= GetDesktopWindow ();
6151 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6152 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6153 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6154 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6155 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6156 ReleaseDC (NULL
, hdc
);
6158 /* initialise palette with white and black */
6161 w32_defined_color (0, "white", &color
, 1);
6162 w32_defined_color (0, "black", &color
, 1);
6165 /* Add the default keyboard. */
6166 add_keyboard_wait_descriptor (0);
6168 /* Create Fringe Bitmaps and store them for later use.
6170 On W32, bitmaps are all unsigned short, as Windows requires
6171 bitmap data to be Word aligned. For some reason they are
6172 horizontally reflected compared to how they appear on X, so we
6173 need to bitswap and convert to unsigned shorts before creating
6175 w32_init_fringe (terminal
->rif
);
6178 fcntl (connection
, F_SETOWN
, getpid ());
6179 #endif /* ! defined (F_SETOWN) */
6182 if (interrupt_input
)
6183 init_sigio (connection
);
6184 #endif /* ! defined (SIGIO) */
6191 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6193 x_delete_display (struct w32_display_info
*dpyinfo
)
6195 /* Discard this display from w32_display_name_list and w32_display_list.
6196 We can't use Fdelq because that can quit. */
6197 if (! NILP (w32_display_name_list
)
6198 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6199 w32_display_name_list
= XCDR (w32_display_name_list
);
6204 tail
= w32_display_name_list
;
6205 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6207 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6209 XSETCDR (tail
, XCDR (XCDR (tail
)));
6216 /* free palette table */
6218 struct w32_palette_entry
* plist
;
6220 plist
= dpyinfo
->color_list
;
6223 struct w32_palette_entry
* pentry
= plist
;
6224 plist
= plist
->next
;
6227 dpyinfo
->color_list
= NULL
;
6228 if (dpyinfo
->palette
)
6229 DeleteObject (dpyinfo
->palette
);
6231 xfree (dpyinfo
->w32_id_name
);
6233 w32_reset_fringes ();
6236 /* Set up use of W32. */
6238 DWORD WINAPI
w32_msg_worker (void * arg
);
6241 w32_initialize (void)
6244 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6248 w32_system_caret_hwnd
= NULL
;
6249 w32_system_caret_height
= 0;
6250 w32_system_caret_x
= 0;
6251 w32_system_caret_y
= 0;
6253 /* On Windows 7 and later, we need to set the user model ID
6254 to associate emacsclient launched files with Emacs frames
6256 shell
= GetModuleHandle ("shell32.dll");
6260 = (void *) GetProcAddress (shell
,
6261 "SetCurrentProcessExplicitAppUserModelID");
6263 /* If the function is defined, then we are running on Windows 7
6264 or newer, and the UI uses this to group related windows
6265 together. Since emacs, runemacs, emacsclient are related, we
6266 want them grouped even though the executables are different,
6267 so we need to set a consistent ID between them. */
6269 set_user_model (L
"GNU.Emacs");
6272 /* Initialize w32_use_visible_system_caret based on whether a screen
6273 reader is in use. */
6274 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6275 &w32_use_visible_system_caret
, 0))
6276 w32_use_visible_system_caret
= 0;
6278 last_tool_bar_item
= -1;
6279 any_help_event_p
= 0;
6281 /* Initialize input mode: interrupt_input off, no flow control, allow
6282 8 bit character input, standard quit char. */
6283 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6286 DWORD input_locale_id
= (DWORD
) GetKeyboardLayout (0);
6287 keyboard_codepage
= codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6290 /* Create the window thread - it will terminate itself when the app
6294 dwMainThreadId
= GetCurrentThreadId ();
6295 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6296 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6298 /* Wait for thread to start */
6302 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6304 hWindowsThread
= CreateThread (NULL
, 0,
6306 0, 0, &dwWindowsThreadId
);
6308 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6311 /* It is desirable that mainThread should have the same notion of
6312 focus window and active window as windowsThread. Unfortunately, the
6313 following call to AttachThreadInput, which should do precisely what
6314 we need, causes major problems when Emacs is linked as a console
6315 program. Unfortunately, we have good reasons for doing that, so
6316 instead we need to send messages to windowsThread to make some API
6317 calls for us (ones that affect, or depend on, the active/focus
6319 #ifdef ATTACH_THREADS
6320 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6323 /* Dynamically link to optional system components. */
6325 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6327 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6329 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6333 /* Ensure scrollbar handle is at least 5 pixels. */
6334 vertical_scroll_bar_min_handle
= 5;
6336 /* For either kind of scroll bar, take account of the arrows; these
6337 effectively form the border of the main scroll bar range. */
6338 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6339 = GetSystemMetrics (SM_CYVSCROLL
);
6344 syms_of_w32term (void)
6346 staticpro (&w32_display_name_list
);
6347 w32_display_name_list
= Qnil
;
6349 staticpro (&last_mouse_scroll_bar
);
6350 last_mouse_scroll_bar
= Qnil
;
6352 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6354 DEFVAR_INT ("w32-num-mouse-buttons",
6355 w32_num_mouse_buttons
,
6356 doc
: /* Number of physical mouse buttons. */);
6357 w32_num_mouse_buttons
= 2;
6359 DEFVAR_LISP ("w32-swap-mouse-buttons",
6360 Vw32_swap_mouse_buttons
,
6361 doc
: /* Swap the mapping of middle and right mouse buttons.
6362 When nil, middle button is mouse-2 and right button is mouse-3. */);
6363 Vw32_swap_mouse_buttons
= Qnil
;
6365 DEFVAR_LISP ("w32-grab-focus-on-raise",
6366 Vw32_grab_focus_on_raise
,
6367 doc
: /* Raised frame grabs input focus.
6368 When t, `raise-frame' grabs input focus as well. This fits well
6369 with the normal Windows click-to-focus policy, but might not be
6370 desirable when using a point-to-focus policy. */);
6371 Vw32_grab_focus_on_raise
= Qt
;
6373 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6374 Vw32_capslock_is_shiftlock
,
6375 doc
: /* Apply CapsLock state to non character input keys.
6376 When nil, CapsLock only affects normal character input keys. */);
6377 Vw32_capslock_is_shiftlock
= Qnil
;
6379 DEFVAR_LISP ("w32-recognize-altgr",
6380 Vw32_recognize_altgr
,
6381 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6382 When nil, the right-alt and left-ctrl key combination is
6383 interpreted normally. */);
6384 Vw32_recognize_altgr
= Qt
;
6386 DEFVAR_BOOL ("w32-use-visible-system-caret",
6387 w32_use_visible_system_caret
,
6388 doc
: /* Flag to make the system caret visible.
6389 When this is non-nil, Emacs will indicate the position of point by
6390 using the system caret instead of drawing its own cursor. Some screen
6391 reader software does not track the system cursor properly when it is
6392 invisible, and gets confused by Emacs drawing its own cursor, so this
6393 variable is initialized to t when Emacs detects that screen reader
6394 software is running as it starts up.
6396 When this variable is set, other variables affecting the appearance of
6397 the cursor have no effect. */);
6399 w32_use_visible_system_caret
= 0;
6401 /* We don't yet support this, but defining this here avoids whining
6402 from cus-start.el and other places, like "M-x set-variable". */
6403 DEFVAR_BOOL ("x-use-underline-position-properties",
6404 x_use_underline_position_properties
,
6405 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6406 A value of nil means ignore them. If you encounter fonts with bogus
6407 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6408 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6409 to override the font's UNDERLINE_POSITION for small font display
6411 x_use_underline_position_properties
= 0;
6413 DEFVAR_BOOL ("x-underline-at-descent-line",
6414 x_underline_at_descent_line
,
6415 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6416 A value of nil means to draw the underline according to the value of the
6417 variable `x-use-underline-position-properties', which is usually at the
6418 baseline level. The default value is nil. */);
6419 x_underline_at_descent_line
= 0;
6421 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6422 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6423 A value of nil means Emacs doesn't use toolkit scroll bars.
6424 With the X Window system, the value is a symbol describing the
6425 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6426 With MS Windows, the value is t. */);
6427 Vx_toolkit_scroll_bars
= Qt
;
6429 staticpro (&last_mouse_motion_frame
);
6430 last_mouse_motion_frame
= Qnil
;