1 /* Implementation of GUI terminal on the Microsoft Windows API.
3 Copyright (C) 1989, 1993-2013 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
24 #include "blockinput.h"
36 #include "character.h"
40 #include "dispextern.h"
42 #include "termhooks.h"
49 #include "intervals.h"
59 #include <io.h> /* for get_osfhandle */
69 static int max_fringe_bmp
= 0;
70 static HBITMAP
*fringe_bmp
= 0;
72 /* Temporary variables for w32_read_socket. */
74 static int last_mousemove_x
= 0;
75 static int last_mousemove_y
= 0;
77 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
78 #ifndef GET_WHEEL_DELTA_WPARAM
79 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
82 /* Non-zero means that a HELP_EVENT has been generated since Emacs
85 static int any_help_event_p
;
87 extern unsigned int msh_mousewheel
;
89 extern void free_frame_menubar (struct frame
*);
91 extern int w32_codepage_for_font (char *fontname
);
92 extern Cursor
w32_load_cursor (LPCTSTR name
);
94 #define x_any_window_to_frame x_window_to_frame
95 #define x_top_window_to_frame x_window_to_frame
98 /* This is display since w32 does not support multiple ones. */
99 struct w32_display_info one_w32_display_info
;
100 struct w32_display_info
*x_display_list
;
102 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
103 one for each element of w32_display_list and in the same order.
104 NAME is the name of the frame.
105 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
106 Lisp_Object w32_display_name_list
;
109 #if _WIN32_WINNT < 0x0500 && !defined(_W64)
110 /* Pre Windows 2000, this was not available, but define it here so
111 that Emacs compiled on such a platform will run on newer versions.
112 MinGW64 (_W64) defines these unconditionally, so avoid redefining. */
114 typedef struct tagWCRANGE
120 typedef struct tagGLYPHSET
124 DWORD cGlyphsSupported
;
129 #endif /* compiling for pre-Win2k */
131 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
132 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
135 #define LWA_ALPHA 0x02
137 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
138 later targets by MSVC headers. */
139 #ifndef WS_EX_LAYERED
140 #define WS_EX_LAYERED 0x80000
143 /* SM_CXVIRTUALSCREEN and SM_CYVIRTUALSCREEN are not defined on 95 and
145 #ifndef SM_CXVIRTUALSCREEN
146 #define SM_CXVIRTUALSCREEN 78
148 #ifndef SM_CYVIRTUALSCREEN
149 #define SM_CYVIRTUALSCREEN 79
152 /* The handle of the frame that currently owns the system caret. */
153 HWND w32_system_caret_hwnd
;
154 int w32_system_caret_height
;
155 int w32_system_caret_x
;
156 int w32_system_caret_y
;
157 struct window
*w32_system_caret_window
;
158 int w32_system_caret_hdr_height
;
159 int w32_system_caret_mode_height
;
160 DWORD dwWindowsThreadId
= 0;
161 HANDLE hWindowsThread
= NULL
;
162 DWORD dwMainThreadId
= 0;
163 HANDLE hMainThread
= NULL
;
165 int vertical_scroll_bar_min_handle
;
166 int vertical_scroll_bar_top_border
;
167 int vertical_scroll_bar_bottom_border
;
169 int last_scroll_bar_drag_pos
;
171 /* Keyboard code page - may be changed by language-change events. */
172 int w32_keyboard_codepage
;
174 /* Incremented by w32_read_socket whenever it really tries to read
176 static int volatile input_signal_count
;
179 int w32_message_fd
= -1;
182 static void w32_handle_tool_bar_click (struct frame
*,
183 struct input_event
*);
184 static void w32_define_cursor (Window
, Cursor
);
186 void x_lower_frame (struct frame
*);
187 void x_scroll_bar_clear (struct frame
*);
188 void x_wm_set_size_hint (struct frame
*, long, bool);
189 void x_raise_frame (struct frame
*);
190 void x_set_window_size (struct frame
*, int, int, int);
191 void x_wm_set_window_state (struct frame
*, int);
192 void x_wm_set_icon_pixmap (struct frame
*, int);
193 static void w32_initialize (void);
194 static void x_update_end (struct frame
*);
195 static void w32_frame_up_to_date (struct frame
*);
196 static void x_clear_frame (struct frame
*);
197 static void frame_highlight (struct frame
*);
198 static void frame_unhighlight (struct frame
*);
199 static void x_new_focus_frame (struct w32_display_info
*,
201 static void x_focus_changed (int, int, struct w32_display_info
*,
202 struct frame
*, struct input_event
*);
203 static void w32_detect_focus_change (struct w32_display_info
*,
204 W32Msg
*, struct input_event
*);
205 static void w32_frame_rehighlight (struct frame
*);
206 static void x_frame_rehighlight (struct w32_display_info
*);
207 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
208 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
209 enum text_cursor_kinds
);
210 static void w32_clip_to_row (struct window
*, struct glyph_row
*,
211 enum glyph_row_area
, HDC
);
212 static BOOL
my_show_window (struct frame
*, HWND
, int);
213 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
215 static void my_set_focus (struct frame
*, HWND
);
217 static void my_set_foreground_window (HWND
);
218 static void my_destroy_window (struct frame
*, HWND
);
219 static void w32fullscreen_hook (struct frame
*);
222 static void x_check_font (struct frame
*, struct font
*);
225 static Lisp_Object Qvendor_specific_keysyms
;
226 static Lisp_Object Qadded
, Qremoved
, Qmodified
;
227 static Lisp_Object Qrenamed_from
, Qrenamed_to
;
230 /***********************************************************************
232 ***********************************************************************/
236 /* This is a function useful for recording debugging information about
237 the sequence of occurrences in this file. */
245 struct record event_record
[100];
247 int event_record_index
;
249 record_event (char *locus
, int type
)
251 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
252 event_record_index
= 0;
254 event_record
[event_record_index
].locus
= locus
;
255 event_record
[event_record_index
].type
= type
;
256 event_record_index
++;
263 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
266 if (mask
& GCForeground
)
267 gc
->foreground
= xgcv
->foreground
;
268 if (mask
& GCBackground
)
269 gc
->background
= xgcv
->background
;
271 gc
->font
= xgcv
->font
;
275 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
277 XGCValues
*gc
= xzalloc (sizeof (XGCValues
));
279 XChangeGC (ignore
, gc
, mask
, xgcv
);
285 XGetGCValues (void *ignore
, XGCValues
*gc
,
286 unsigned long mask
, XGCValues
*xgcv
)
288 XChangeGC (ignore
, xgcv
, mask
, gc
);
292 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
296 HRGN clip_region
= CreateRectRgnIndirect (rect
);
297 SelectClipRgn (hdc
, clip_region
);
298 DeleteObject (clip_region
);
301 SelectClipRgn (hdc
, NULL
);
304 /* Restore clipping rectangle in S */
306 w32_restore_glyph_string_clip (struct glyph_string
*s
)
309 int n
= s
->num_clips
;
312 w32_set_clip_rectangle (s
->hdc
, r
);
315 HRGN clip1
= CreateRectRgnIndirect (r
);
316 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
317 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
318 SelectClipRgn (s
->hdc
, clip1
);
319 DeleteObject (clip1
);
320 DeleteObject (clip2
);
325 Draw a wavy line under S. The wave fills wave_height pixels from y0.
331 wave_height = 3 | * * * *
336 w32_draw_underwave (struct glyph_string
*s
, COLORREF color
)
338 int wave_height
= 3, wave_length
= 2;
339 int dx
, dy
, x0
, y0
, width
, x1
, y1
, x2
, y2
, odd
, xmax
;
340 XRectangle wave_clip
, string_clip
, final_clip
;
341 RECT w32_final_clip
, w32_string_clip
;
345 dy
= wave_height
- 1;
347 y0
= s
->ybase
- wave_height
+ 3;
351 /* Find and set clipping rectangle */
355 wave_clip
.width
= width
;
356 wave_clip
.height
= wave_height
;
358 get_glyph_string_clip_rect (s
, &w32_string_clip
);
359 CONVERT_TO_XRECT (string_clip
, w32_string_clip
);
361 if (!x_intersect_rectangles (&wave_clip
, &string_clip
, &final_clip
))
364 hp
= CreatePen (PS_SOLID
, 0, color
);
365 oldhp
= SelectObject (s
->hdc
, hp
);
366 CONVERT_FROM_XRECT (final_clip
, w32_final_clip
);
367 w32_set_clip_rectangle (s
->hdc
, &w32_final_clip
);
381 MoveToEx (s
->hdc
, x1
, y1
, NULL
);
385 LineTo (s
->hdc
, x2
, y2
);
387 x2
+= dx
, y2
= y0
+ odd
*dy
;
391 /* Restore previous pen and clipping rectangle(s) */
392 w32_restore_glyph_string_clip (s
);
393 SelectObject (s
->hdc
, oldhp
);
397 /* Draw a hollow rectangle at the specified position. */
399 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
400 int width
, int height
)
405 hb
= CreateSolidBrush (gc
->background
);
406 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
407 oldhb
= SelectObject (hdc
, hb
);
408 oldhp
= SelectObject (hdc
, hp
);
410 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
412 SelectObject (hdc
, oldhb
);
413 SelectObject (hdc
, oldhp
);
418 /* Draw a filled rectangle at the specified position. */
420 w32_fill_rect (struct frame
*f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
424 hb
= CreateSolidBrush (pix
);
425 FillRect (hdc
, lprect
, hb
);
430 w32_clear_window (struct frame
*f
)
433 HDC hdc
= get_frame_dc (f
);
435 /* Under certain conditions, this can be called at startup with
436 a console frame pointer before the GUI frame is created. An HDC
437 of 0 indicates this. */
440 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
441 w32_clear_rect (f
, hdc
, &rect
);
444 release_frame_dc (f
, hdc
);
447 #define OPAQUE_FRAME 255
450 x_set_frame_alpha (struct frame
*f
)
452 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
454 double alpha_min
= 1.0;
457 HWND window
= FRAME_W32_WINDOW (f
);
459 /* Older versions of Windows do not support transparency. */
460 if (!pfnSetLayeredWindowAttributes
)
463 if (dpyinfo
->x_highlight_frame
== f
)
468 if (FLOATP (Vframe_alpha_lower_limit
))
469 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
470 else if (INTEGERP (Vframe_alpha_lower_limit
))
471 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
475 else if (alpha
> 1.0)
477 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
480 opac
= alpha
* OPAQUE_FRAME
;
482 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
484 if (opac
== OPAQUE_FRAME
)
485 ex_style
&= ~WS_EX_LAYERED
;
487 ex_style
|= WS_EX_LAYERED
;
489 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
491 if (opac
!= OPAQUE_FRAME
)
492 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
496 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
498 int pixels
= GetSystemMetrics (SM_CYVIRTUALSCREEN
);
501 /* Fallback for Windows 95 or NT 4.0. */
502 pixels
= GetSystemMetrics (SM_CYSCREEN
);
508 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
510 int pixels
= GetSystemMetrics (SM_CXVIRTUALSCREEN
);
513 /* Fallback for Windows 95 or NT 4.0. */
514 pixels
= GetSystemMetrics (SM_CXSCREEN
);
520 /***********************************************************************
521 Starting and ending an update
522 ***********************************************************************/
524 /* Start an update of frame F. This function is installed as a hook
525 for update_begin, i.e. it is called when update_begin is called.
526 This function is called prior to calls to x_update_window_begin for
527 each window being updated. */
530 x_update_begin (struct frame
*f
)
532 struct w32_display_info
*display_info
= FRAME_DISPLAY_INFO (f
);
534 if (! FRAME_W32_P (f
))
537 /* Regenerate display palette before drawing if list of requested
538 colors has changed. */
539 if (display_info
->regen_palette
)
541 w32_regenerate_palette (f
);
542 display_info
->regen_palette
= FALSE
;
547 /* Start update of window W. */
550 x_update_window_begin (struct window
*w
)
552 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
553 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
555 /* Hide the system caret during an update. */
556 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
558 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
561 w
->output_cursor
= w
->cursor
;
565 if (f
== hlinfo
->mouse_face_mouse_frame
)
567 /* Don't do highlighting for mouse motion during the update. */
568 hlinfo
->mouse_face_defer
= 1;
570 /* If F needs to be redrawn, simply forget about any prior mouse
572 if (FRAME_GARBAGED_P (f
))
573 hlinfo
->mouse_face_window
= Qnil
;
575 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
576 their mouse_face_p flag set, which means that they are always
577 unequal to rows in a desired matrix which never have that
578 flag set. So, rows containing mouse-face glyphs are never
579 scrolled, and we don't have to switch the mouse highlight off
580 here to prevent it from being scrolled. */
582 /* Can we tell that this update does not affect the window
583 where the mouse highlight is? If so, no need to turn off.
584 Likewise, don't do anything if the frame is garbaged;
585 in that case, the frame's current matrix that we would use
586 is all wrong, and we will redisplay that line anyway. */
587 if (!NILP (hlinfo
->mouse_face_window
)
588 && w
== XWINDOW (hlinfo
->mouse_face_window
))
592 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
593 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
596 if (i
< w
->desired_matrix
->nrows
)
597 clear_mouse_face (hlinfo
);
605 /* Draw a vertical window border from (x,y0) to (x,y1) */
608 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
610 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
620 hdc
= get_frame_dc (f
);
621 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
623 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
625 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
627 release_frame_dc (f
, hdc
);
631 /* End update of window W.
633 Draw vertical borders between horizontally adjacent windows, and
634 display W's cursor if CURSOR_ON_P is non-zero.
636 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
637 glyphs in mouse-face were overwritten. In that case we have to
638 make sure that the mouse-highlight is properly redrawn.
640 W may be a menu bar pseudo-window in case we don't have X toolkit
641 support. Such windows don't have a cursor, so don't display it
645 x_update_window_end (struct window
*w
, bool cursor_on_p
,
646 bool mouse_face_overwritten_p
)
648 if (!w
->pseudo_window_p
)
653 display_and_set_cursor (w
, 1,
654 w
->output_cursor
.hpos
, w
->output_cursor
.vpos
,
655 w
->output_cursor
.x
, w
->output_cursor
.y
);
657 if (draw_window_fringes (w
, 1))
658 x_draw_vertical_border (w
);
663 /* If a row with mouse-face was overwritten, arrange for
664 XTframe_up_to_date to redisplay the mouse highlight. */
665 if (mouse_face_overwritten_p
)
666 reset_mouse_highlight (MOUSE_HL_INFO (XFRAME (w
->frame
)));
668 /* Unhide the caret. This won't actually show the cursor, unless it
669 was visible before the corresponding call to HideCaret in
670 x_update_window_begin. */
671 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
673 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
678 /* End update of frame F. This function is installed as a hook in
682 x_update_end (struct frame
*f
)
684 if (! FRAME_W32_P (f
))
687 /* Mouse highlight may be displayed again. */
688 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
692 /* This function is called from various places in xdisp.c
693 whenever a complete update has been performed. */
696 w32_frame_up_to_date (struct frame
*f
)
699 FRAME_MOUSE_UPDATE (f
);
703 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
704 arrow bitmaps, or clear the fringes if no bitmaps are required
705 before DESIRED_ROW is made current. This function is called from
706 update_window_line only if it is known that there are differences
707 between bitmaps to be drawn between current row and DESIRED_ROW. */
710 x_after_update_window_line (struct window
*w
, struct glyph_row
*desired_row
)
717 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
718 desired_row
->redraw_fringe_bitmaps_p
= 1;
720 /* When a window has disappeared, make sure that no rest of
721 full-width rows stays visible in the internal border. Could
722 check here if updated window is the leftmost/rightmost window,
723 but I guess it's not worth doing since vertically split windows
724 are almost never used, internal border is rarely set, and the
725 overhead is very small. */
726 if (windows_or_buffers_changed
727 && desired_row
->full_width_p
728 && (f
= XFRAME (w
->frame
),
729 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
731 && (height
= desired_row
->visible_height
,
734 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
738 HDC hdc
= get_frame_dc (f
);
739 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
740 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
742 release_frame_dc (f
, hdc
);
749 /* Draw the bitmap WHICH in one of the left or right fringes of
750 window W. ROW is the glyph row for which to display the bitmap; it
751 determines the vertical position at which the bitmap has to be
755 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
756 struct draw_fringe_bitmap_params
*p
)
758 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
760 struct face
*face
= p
->face
;
762 hdc
= get_frame_dc (f
);
766 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
768 /* If the fringe is adjacent to the left (right) scroll bar of a
769 leftmost (rightmost, respectively) window, then extend its
770 background to the gap between the fringe and the bar. */
771 if ((WINDOW_LEFTMOST_P (w
)
772 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
773 || (WINDOW_RIGHTMOST_P (w
)
774 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
776 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
780 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
781 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
782 * FRAME_COLUMN_WIDTH (f
));
786 /* Bitmap fills the fringe. */
787 if (bar_area_x
+ bar_area_width
== p
->x
)
788 bx
= bar_area_x
+ sb_width
;
789 else if (p
->x
+ p
->wd
== bar_area_x
)
793 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
795 nx
= bar_area_width
- sb_width
;
796 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
798 ny
= row
->visible_height
;
803 if (bar_area_x
+ bar_area_width
== bx
)
805 bx
= bar_area_x
+ sb_width
;
806 nx
+= bar_area_width
- sb_width
;
808 else if (bx
+ nx
== bar_area_x
)
809 nx
+= bar_area_width
- sb_width
;
814 if (bx
>= 0 && nx
> 0)
815 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
818 /* Must clip because of partially visible lines. */
819 w32_clip_to_row (w
, row
, ANY_AREA
, hdc
);
821 if (p
->which
&& p
->which
< max_fringe_bmp
)
823 HBITMAP pixmap
= fringe_bmp
[p
->which
];
827 compat_hdc
= CreateCompatibleDC (hdc
);
831 horig_obj
= SelectObject (compat_hdc
, pixmap
);
833 /* Paint overlays transparently. */
836 HBRUSH h_brush
, h_orig_brush
;
838 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
839 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
840 h_brush
= CreateSolidBrush (face
->foreground
);
841 h_orig_brush
= SelectObject (hdc
, h_brush
);
843 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
844 compat_hdc
, 0, p
->dh
,
846 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
847 compat_hdc
, 0, p
->dh
,
849 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
850 compat_hdc
, 0, p
->dh
,
853 SelectObject (hdc
, h_orig_brush
);
854 DeleteObject (h_brush
);
858 SetTextColor (hdc
, face
->background
);
859 SetBkColor (hdc
, (p
->cursor_p
860 ? f
->output_data
.w32
->cursor_pixel
861 : face
->foreground
));
863 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
864 compat_hdc
, 0, p
->dh
,
868 SelectObject (compat_hdc
, horig_obj
);
869 DeleteDC (compat_hdc
);
873 w32_set_clip_rectangle (hdc
, NULL
);
875 release_frame_dc (f
, hdc
);
879 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
881 if (which
>= max_fringe_bmp
)
883 int i
= max_fringe_bmp
;
884 max_fringe_bmp
= which
+ 20;
885 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
886 while (i
< max_fringe_bmp
)
890 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
894 w32_destroy_fringe_bitmap (int which
)
896 if (which
>= max_fringe_bmp
)
899 if (fringe_bmp
[which
])
900 DeleteObject (fringe_bmp
[which
]);
901 fringe_bmp
[which
] = 0;
904 /***********************************************************************
906 ***********************************************************************/
908 /* Function prototypes of this page. */
910 static void x_set_glyph_string_clipping (struct glyph_string
*);
911 static void x_set_glyph_string_gc (struct glyph_string
*);
912 static void x_draw_glyph_string_background (struct glyph_string
*,
914 static void x_draw_glyph_string_foreground (struct glyph_string
*);
915 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
916 static void x_draw_glyph_string_box (struct glyph_string
*);
917 static void x_draw_glyph_string (struct glyph_string
*);
918 static void x_set_cursor_gc (struct glyph_string
*);
919 static void x_set_mode_line_face_gc (struct glyph_string
*);
920 static void x_set_mouse_face_gc (struct glyph_string
*);
921 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
922 static void w32_setup_relief_color (struct frame
*, struct relief
*,
923 double, int, COLORREF
);
924 static void x_setup_relief_colors (struct glyph_string
*);
925 static void x_draw_image_glyph_string (struct glyph_string
*);
926 static void x_draw_image_relief (struct glyph_string
*);
927 static void x_draw_image_foreground (struct glyph_string
*);
928 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
929 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
931 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
932 int, int, int, int, int, int,
934 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
935 int, int, int, RECT
*);
938 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
942 x_set_cursor_gc (struct glyph_string
*s
)
944 if (s
->font
== FRAME_FONT (s
->f
)
945 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
946 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
948 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
951 /* Cursor on non-default face: must merge. */
955 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
956 xgcv
.foreground
= s
->face
->background
;
958 /* If the glyph would be invisible, try a different foreground. */
959 if (xgcv
.foreground
== xgcv
.background
)
960 xgcv
.foreground
= s
->face
->foreground
;
961 if (xgcv
.foreground
== xgcv
.background
)
962 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
963 if (xgcv
.foreground
== xgcv
.background
)
964 xgcv
.foreground
= s
->face
->foreground
;
966 /* Make sure the cursor is distinct from text in this face. */
967 if (xgcv
.background
== s
->face
->background
968 && xgcv
.foreground
== s
->face
->foreground
)
970 xgcv
.background
= s
->face
->foreground
;
971 xgcv
.foreground
= s
->face
->background
;
974 IF_DEBUG (x_check_font (s
->f
, s
->font
));
976 mask
= GCForeground
| GCBackground
| GCFont
;
978 if (FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
979 XChangeGC (NULL
, FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
982 FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
983 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
985 s
->gc
= FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
990 /* Set up S->gc of glyph string S for drawing text in mouse face. */
993 x_set_mouse_face_gc (struct glyph_string
*s
)
998 /* What face has to be used last for the mouse face? */
999 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
1000 face
= FACE_FROM_ID (s
->f
, face_id
);
1002 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1004 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1005 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1007 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1008 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1009 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1011 /* If font in this face is same as S->font, use it. */
1012 if (s
->font
== s
->face
->font
)
1013 s
->gc
= s
->face
->gc
;
1016 /* Otherwise construct scratch_cursor_gc with values from FACE
1021 xgcv
.background
= s
->face
->background
;
1022 xgcv
.foreground
= s
->face
->foreground
;
1023 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1024 xgcv
.font
= s
->font
;
1025 mask
= GCForeground
| GCBackground
| GCFont
;
1027 if (FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1028 XChangeGC (NULL
, FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1031 FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1032 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1034 s
->gc
= FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1037 eassert (s
->gc
!= 0);
1041 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1042 Faces to use in the mode line have already been computed when the
1043 matrix was built, so there isn't much to do, here. */
1046 x_set_mode_line_face_gc (struct glyph_string
*s
)
1048 s
->gc
= s
->face
->gc
;
1052 /* Set S->gc of glyph string S for drawing that glyph string. Set
1053 S->stippled_p to a non-zero value if the face of S has a stipple
1057 x_set_glyph_string_gc (struct glyph_string
*s
)
1059 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1061 if (s
->hl
== DRAW_NORMAL_TEXT
)
1063 s
->gc
= s
->face
->gc
;
1064 s
->stippled_p
= s
->face
->stipple
!= 0;
1066 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1068 x_set_mode_line_face_gc (s
);
1069 s
->stippled_p
= s
->face
->stipple
!= 0;
1071 else if (s
->hl
== DRAW_CURSOR
)
1073 x_set_cursor_gc (s
);
1076 else if (s
->hl
== DRAW_MOUSE_FACE
)
1078 x_set_mouse_face_gc (s
);
1079 s
->stippled_p
= s
->face
->stipple
!= 0;
1081 else if (s
->hl
== DRAW_IMAGE_RAISED
1082 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1084 s
->gc
= s
->face
->gc
;
1085 s
->stippled_p
= s
->face
->stipple
!= 0;
1089 s
->gc
= s
->face
->gc
;
1090 s
->stippled_p
= s
->face
->stipple
!= 0;
1093 /* GC must have been set. */
1094 eassert (s
->gc
!= 0);
1098 /* Set clipping for output of glyph string S. S may be part of a mode
1099 line or menu if we don't have X toolkit support. */
1102 x_set_glyph_string_clipping (struct glyph_string
*s
)
1105 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1108 w32_set_clip_rectangle (s
->hdc
, r
);
1111 HRGN clip1
= CreateRectRgnIndirect (r
);
1112 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1113 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1114 SelectClipRgn (s
->hdc
, clip1
);
1115 DeleteObject (clip1
);
1116 DeleteObject (clip2
);
1121 /* Set SRC's clipping for output of glyph string DST. This is called
1122 when we are drawing DST's left_overhang or right_overhang only in
1126 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1127 struct glyph_string
*dst
)
1132 r
.right
= r
.left
+ src
->width
;
1134 r
.bottom
= r
.top
+ src
->height
;
1137 w32_set_clip_rectangle (dst
->hdc
, &r
);
1141 Compute left and right overhang of glyph string S. */
1144 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1147 && s
->first_glyph
->type
== CHAR_GLYPH
1148 && !s
->font_not_found_p
)
1150 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1151 struct font
*font
= s
->font
;
1152 struct font_metrics metrics
;
1155 for (i
= 0; i
< s
->nchars
; i
++)
1156 code
[i
] = s
->char2b
[i
];
1157 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1158 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1159 ? metrics
.rbearing
- metrics
.width
: 0);
1160 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1164 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1165 s
->left_overhang
= -s
->cmp
->lbearing
;
1169 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1172 x_clear_glyph_string_rect (struct glyph_string
*s
,
1173 int x
, int y
, int w
, int h
)
1180 /* Take clipping into account. */
1181 if (s
->gc
->clip_mask
== Rect
)
1183 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1184 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1185 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1186 - s
->gc
->clip_rectangle
.left
);
1187 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1188 - s
->gc
->clip_rectangle
.top
);
1191 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1196 /* Draw the background of glyph_string S. If S->background_filled_p
1197 is non-zero don't draw it. FORCE_P non-zero means draw the
1198 background even if it wouldn't be drawn normally. This is used
1199 when a string preceding S draws into the background of S, or S
1200 contains the first component of a composition. */
1203 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1205 /* Nothing to do if background has already been drawn or if it
1206 shouldn't be drawn in the first place. */
1207 if (!s
->background_filled_p
)
1209 int box_line_width
= max (s
->face
->box_line_width
, 0);
1211 #if 0 /* TODO: stipple */
1214 /* Fill background with a stipple pattern. */
1215 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1216 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1217 s
->y
+ box_line_width
,
1218 s
->background_width
,
1219 s
->height
- 2 * box_line_width
);
1220 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1221 s
->background_filled_p
= 1;
1225 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1226 || s
->font_not_found_p
1227 || s
->extends_to_end_of_line_p
1230 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1231 s
->background_width
,
1232 s
->height
- 2 * box_line_width
);
1233 s
->background_filled_p
= 1;
1239 /* Draw the foreground of glyph string S. */
1242 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1246 /* If first glyph of S has a left box line, start drawing the text
1247 of S to the right of that box line. */
1248 if (s
->face
->box
!= FACE_NO_BOX
1249 && s
->first_glyph
->left_box_line_p
)
1250 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1254 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1255 SetBkColor (s
->hdc
, s
->gc
->background
);
1256 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1258 /* Draw characters of S as rectangles if S's font could not be
1260 if (s
->font_not_found_p
)
1262 for (i
= 0; i
< s
->nchars
; ++i
)
1264 struct glyph
*g
= s
->first_glyph
+ i
;
1266 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1268 x
+= g
->pixel_width
;
1273 struct font
*font
= s
->font
;
1274 int boff
= font
->baseline_offset
;
1278 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1280 if (font
->vertical_centering
)
1281 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1283 y
= s
->ybase
- boff
;
1285 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1286 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1288 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1289 if (s
->face
->overstrike
)
1290 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1292 SelectObject (s
->hdc
, old_font
);
1296 /* Draw the foreground of composite glyph string S. */
1299 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1302 struct font
*font
= s
->font
;
1304 /* If first glyph of S has a left box line, start drawing the text
1305 of S to the right of that box line. */
1306 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1307 && s
->first_glyph
->left_box_line_p
)
1308 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1312 /* S is a glyph string for a composition. S->cmp_from is the index
1313 of the first character drawn for glyphs of this composition.
1314 S->cmp_from == 0 means we are drawing the very first character of
1315 this composition. */
1317 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1318 SetBkColor (s
->hdc
, s
->gc
->background
);
1319 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1321 /* Draw a rectangle for the composition if the font for the very
1322 first character of the composition could not be loaded. */
1323 if (s
->font_not_found_p
)
1325 if (s
->cmp_from
== 0)
1326 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1329 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1334 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1336 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1337 /* TAB in a composition means display glyphs with padding
1338 space on the left or right. */
1339 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1341 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1342 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1344 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1345 if (s
->face
->overstrike
)
1346 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1348 SelectObject (s
->hdc
, old_font
);
1352 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1358 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1360 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1362 glyph
= LGSTRING_GLYPH (gstring
, i
);
1363 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1364 width
+= LGLYPH_WIDTH (glyph
);
1367 int xoff
, yoff
, wadjust
;
1371 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1374 xoff
= LGLYPH_XOFF (glyph
);
1375 yoff
= LGLYPH_YOFF (glyph
);
1376 wadjust
= LGLYPH_WADJUST (glyph
);
1377 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1384 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1386 SelectObject (s
->hdc
, old_font
);
1391 /* Draw the foreground of glyph string S for glyphless characters. */
1394 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1396 struct glyph
*glyph
= s
->first_glyph
;
1399 int with_background
;
1401 /* If first glyph of S has a left box line, start drawing the text
1402 of S to the right of that box line. */
1403 if (s
->face
->box
!= FACE_NO_BOX
1404 && s
->first_glyph
->left_box_line_p
)
1405 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1409 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1410 SetBkColor (s
->hdc
, s
->gc
->background
);
1411 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1414 with_background
= ! (s
->for_overlaps
1415 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1416 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1418 char buf
[7], *str
= NULL
;
1419 int len
= glyph
->u
.glyphless
.len
;
1421 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1424 && CHAR_TABLE_P (Vglyphless_char_display
)
1425 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1429 = (! glyph
->u
.glyphless
.for_no_font
1430 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1431 glyph
->u
.glyphless
.ch
)
1432 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1433 if (STRINGP (acronym
))
1434 str
= SSDATA (acronym
);
1437 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1439 sprintf ((char *) buf
, "%0*X",
1440 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1441 glyph
->u
.glyphless
.ch
);
1445 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1446 w32_draw_rectangle (s
->hdc
, s
->gc
,
1447 x
, s
->ybase
- glyph
->ascent
,
1448 glyph
->pixel_width
- 1,
1449 glyph
->ascent
+ glyph
->descent
- 1);
1452 struct font
*font
= s
->font
;
1453 int upper_len
= (len
+ 1) / 2;
1457 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1458 /* It is certain that all LEN characters in STR are ASCII. */
1459 for (j
= 0; j
< len
; j
++)
1461 code
= font
->driver
->encode_char (font
, str
[j
]);
1462 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1464 font
->driver
->draw (s
, 0, upper_len
,
1465 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1466 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1468 font
->driver
->draw (s
, upper_len
, len
,
1469 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1470 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1472 SelectObject (s
->hdc
, old_font
);
1474 x
+= glyph
->pixel_width
;
1479 /* Brightness beyond which a color won't have its highlight brightness
1482 Nominally, highlight colors for `3d' faces are calculated by
1483 brightening an object's color by a constant scale factor, but this
1484 doesn't yield good results for dark colors, so for colors whose
1485 brightness is less than this value (on a scale of 0-255) have to
1486 use an additional additive factor.
1488 The value here is set so that the default menu-bar/mode-line color
1489 (grey75) will not have its highlights changed at all. */
1490 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1493 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1494 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1495 If this produces the same color as COLOR, try a color where all RGB
1496 values have DELTA added. Return the allocated color in *COLOR.
1497 DISPLAY is the X display, CMAP is the colormap to operate on.
1498 Value is non-zero if successful. */
1501 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1502 double factor
, int delta
)
1507 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1510 /* Change RGB values by specified FACTOR. Avoid overflow! */
1511 eassert (factor
>= 0);
1512 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1513 min (0xff, factor
* GetGValue (*color
)),
1514 min (0xff, factor
* GetBValue (*color
)));
1516 /* Calculate brightness of COLOR. */
1517 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1518 + GetBValue (*color
)) / 6;
1520 /* We only boost colors that are darker than
1521 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1522 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1523 /* Make an additive adjustment to NEW, because it's dark enough so
1524 that scaling by FACTOR alone isn't enough. */
1526 /* How far below the limit this color is (0 - 1, 1 being darker). */
1527 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1528 /* The additive adjustment. */
1529 int min_delta
= delta
* dimness
* factor
/ 2;
1532 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1533 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1534 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1536 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1537 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1538 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1542 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1543 max (0, min (0xff, delta
+ GetGValue (*color
))),
1544 max (0, min (0xff, delta
+ GetBValue (*color
))));
1546 /* TODO: Map to palette and retry with delta if same? */
1547 /* TODO: Free colors (if using palette)? */
1557 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1558 colors in COLORS. On W32, we no longer try to map colors to
1561 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1565 for (i
= 0; i
< ncolors
; i
++)
1567 DWORD pixel
= colors
[i
].pixel
;
1568 /* Convert to a 16 bit value in range 0 - 0xffff. */
1569 colors
[i
].red
= GetRValue (pixel
) * 257;
1570 colors
[i
].green
= GetGValue (pixel
) * 257;
1571 colors
[i
].blue
= GetBValue (pixel
) * 257;
1576 x_query_color (struct frame
*f
, XColor
*color
)
1578 x_query_colors (f
, color
, 1);
1582 /* Set up the foreground color for drawing relief lines of glyph
1583 string S. RELIEF is a pointer to a struct relief containing the GC
1584 with which lines will be drawn. Use a color that is FACTOR or
1585 DELTA lighter or darker than the relief's background which is found
1586 in S->f->output_data.x->relief_background. If such a color cannot
1587 be allocated, use DEFAULT_PIXEL, instead. */
1590 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1591 int delta
, COLORREF default_pixel
)
1594 struct w32_output
*di
= f
->output_data
.w32
;
1595 unsigned long mask
= GCForeground
;
1597 COLORREF background
= di
->relief_background
;
1598 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
1600 /* TODO: Free colors (if using palette)? */
1602 /* Allocate new color. */
1603 xgcv
.foreground
= default_pixel
;
1605 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1607 relief
->allocated_p
= 1;
1608 xgcv
.foreground
= relief
->pixel
= pixel
;
1611 if (relief
->gc
== 0)
1613 #if 0 /* TODO: stipple */
1614 xgcv
.stipple
= dpyinfo
->gray
;
1617 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1620 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1624 /* Set up colors for the relief lines around glyph string S. */
1627 x_setup_relief_colors (struct glyph_string
*s
)
1629 struct w32_output
*di
= s
->f
->output_data
.w32
;
1632 if (s
->face
->use_box_color_for_shadows_p
)
1633 color
= s
->face
->box_color
;
1634 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1636 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1637 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1639 color
= s
->gc
->background
;
1641 if (di
->white_relief
.gc
== 0
1642 || color
!= di
->relief_background
)
1644 di
->relief_background
= color
;
1645 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1646 WHITE_PIX_DEFAULT (s
->f
));
1647 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1648 BLACK_PIX_DEFAULT (s
->f
));
1653 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1654 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1655 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1656 relief. LEFT_P non-zero means draw a relief on the left side of
1657 the rectangle. RIGHT_P non-zero means draw a relief on the right
1658 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1662 w32_draw_relief_rect (struct frame
*f
,
1663 int left_x
, int top_y
, int right_x
, int bottom_y
,
1664 int width
, int raised_p
,
1665 int top_p
, int bot_p
, int left_p
, int right_p
,
1670 HDC hdc
= get_frame_dc (f
);
1673 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1675 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1677 w32_set_clip_rectangle (hdc
, clip_rect
);
1681 for (i
= 0; i
< width
; ++i
)
1682 w32_fill_area (f
, hdc
, gc
.foreground
,
1683 left_x
+ i
* left_p
, top_y
+ i
,
1684 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1688 for (i
= 0; i
< width
; ++i
)
1689 w32_fill_area (f
, hdc
, gc
.foreground
,
1690 left_x
+ i
, top_y
+ (i
+ 1) * top_p
, 1,
1691 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1694 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1696 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1700 for (i
= 0; i
< width
; ++i
)
1701 w32_fill_area (f
, hdc
, gc
.foreground
,
1702 left_x
+ i
* left_p
, bottom_y
- i
,
1703 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1707 for (i
= 0; i
< width
; ++i
)
1708 w32_fill_area (f
, hdc
, gc
.foreground
,
1709 right_x
- i
, top_y
+ (i
+ 1) * top_p
, 1,
1710 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1712 w32_set_clip_rectangle (hdc
, NULL
);
1714 release_frame_dc (f
, hdc
);
1718 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1719 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1720 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1721 left side of the rectangle. RIGHT_P non-zero means draw a line
1722 on the right side of the rectangle. CLIP_RECT is the clipping
1723 rectangle to use when drawing. */
1726 w32_draw_box_rect (struct glyph_string
*s
,
1727 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1728 int left_p
, int right_p
, RECT
*clip_rect
)
1730 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1733 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1734 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1739 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1740 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1744 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1745 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1750 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1751 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1754 w32_set_clip_rectangle (s
->hdc
, NULL
);
1758 /* Draw a box around glyph string S. */
1761 x_draw_glyph_string_box (struct glyph_string
*s
)
1763 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1764 int left_p
, right_p
;
1765 struct glyph
*last_glyph
;
1768 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1769 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1770 : window_box_right (s
->w
, s
->area
));
1772 /* The glyph that may have a right box line. */
1773 last_glyph
= (s
->cmp
|| s
->img
1775 : s
->first_glyph
+ s
->nchars
- 1);
1777 width
= eabs (s
->face
->box_line_width
);
1778 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1780 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1782 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1784 bottom_y
= top_y
+ s
->height
- 1;
1786 left_p
= (s
->first_glyph
->left_box_line_p
1787 || (s
->hl
== DRAW_MOUSE_FACE
1789 || s
->prev
->hl
!= s
->hl
)));
1790 right_p
= (last_glyph
->right_box_line_p
1791 || (s
->hl
== DRAW_MOUSE_FACE
1793 || s
->next
->hl
!= s
->hl
)));
1795 get_glyph_string_clip_rect (s
, &clip_rect
);
1797 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1798 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1799 left_p
, right_p
, &clip_rect
);
1802 x_setup_relief_colors (s
);
1803 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1804 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1809 /* Draw foreground of image glyph string S. */
1812 x_draw_image_foreground (struct glyph_string
*s
)
1815 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1817 /* If first glyph of S has a left box line, start drawing it to the
1818 right of that line. */
1819 if (s
->face
->box
!= FACE_NO_BOX
1820 && s
->first_glyph
->left_box_line_p
1822 x
+= eabs (s
->face
->box_line_width
);
1824 /* If there is a margin around the image, adjust x- and y-position
1826 if (s
->slice
.x
== 0)
1827 x
+= s
->img
->hmargin
;
1828 if (s
->slice
.y
== 0)
1829 y
+= s
->img
->vmargin
;
1835 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1836 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1837 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1838 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1839 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1840 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1841 x_set_glyph_string_clipping (s
);
1845 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1846 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1848 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1849 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1851 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1852 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1853 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1854 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1855 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1856 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1858 SelectObject (mask_dc
, mask_orig_obj
);
1863 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1864 SetBkColor (s
->hdc
, s
->gc
->background
);
1866 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1867 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1869 /* When the image has a mask, we can expect that at
1870 least part of a mouse highlight or a block cursor will
1871 be visible. If the image doesn't have a mask, make
1872 a block cursor visible by drawing a rectangle around
1873 the image. I believe it's looking better if we do
1874 nothing here for mouse-face. */
1875 if (s
->hl
== DRAW_CURSOR
)
1877 int r
= s
->img
->relief
;
1879 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1880 s
->slice
.width
+ r
*2 - 1,
1881 s
->slice
.height
+ r
*2 - 1);
1885 w32_set_clip_rectangle (s
->hdc
, NULL
);
1886 SelectObject (s
->hdc
, orig_brush
);
1887 DeleteObject (fg_brush
);
1888 SelectObject (compat_hdc
, orig_obj
);
1889 DeleteDC (compat_hdc
);
1892 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1893 s
->slice
.width
- 1, s
->slice
.height
- 1);
1895 RestoreDC (s
->hdc
,-1);
1899 /* Draw a relief around the image glyph string S. */
1902 x_draw_image_relief (struct glyph_string
*s
)
1904 int x1
, y1
, thick
, raised_p
, top_p
, bot_p
, left_p
, right_p
;
1907 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1909 /* If first glyph of S has a left box line, start drawing it to the
1910 right of that line. */
1911 if (s
->face
->box
!= FACE_NO_BOX
1912 && s
->first_glyph
->left_box_line_p
1914 x
+= eabs (s
->face
->box_line_width
);
1916 /* If there is a margin around the image, adjust x- and y-position
1918 if (s
->slice
.x
== 0)
1919 x
+= s
->img
->hmargin
;
1920 if (s
->slice
.y
== 0)
1921 y
+= s
->img
->vmargin
;
1923 if (s
->hl
== DRAW_IMAGE_SUNKEN
1924 || s
->hl
== DRAW_IMAGE_RAISED
)
1926 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1927 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1928 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1932 thick
= eabs (s
->img
->relief
);
1933 raised_p
= s
->img
->relief
> 0;
1936 x1
= x
+ s
->slice
.width
- 1;
1937 y1
= y
+ s
->slice
.height
- 1;
1938 top_p
= bot_p
= left_p
= right_p
= 0;
1940 if (s
->slice
.x
== 0)
1941 x
-= thick
, left_p
= 1;
1942 if (s
->slice
.y
== 0)
1943 y
-= thick
, top_p
= 1;
1944 if (s
->slice
.x
+ s
->slice
.width
== s
->img
->width
)
1945 x1
+= thick
, right_p
= 1;
1946 if (s
->slice
.y
+ s
->slice
.height
== s
->img
->height
)
1947 y1
+= thick
, bot_p
= 1;
1949 x_setup_relief_colors (s
);
1950 get_glyph_string_clip_rect (s
, &r
);
1951 w32_draw_relief_rect (s
->f
, x
, y
, x1
, y1
, thick
, raised_p
,
1952 top_p
, bot_p
, left_p
, right_p
, &r
);
1956 /* Draw the foreground of image glyph string S to PIXMAP. */
1959 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
1961 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1962 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1964 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1966 /* If first glyph of S has a left box line, start drawing it to the
1967 right of that line. */
1968 if (s
->face
->box
!= FACE_NO_BOX
1969 && s
->first_glyph
->left_box_line_p
1971 x
+= eabs (s
->face
->box_line_width
);
1973 /* If there is a margin around the image, adjust x- and y-position
1975 if (s
->slice
.x
== 0)
1976 x
+= s
->img
->hmargin
;
1977 if (s
->slice
.y
== 0)
1978 y
+= s
->img
->vmargin
;
1982 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1983 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1984 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1985 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1989 HDC mask_dc
= CreateCompatibleDC (hdc
);
1990 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1992 SetTextColor (hdc
, RGB (0, 0, 0));
1993 SetBkColor (hdc
, RGB (255, 255, 255));
1994 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1995 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1996 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1997 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1998 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1999 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2001 SelectObject (mask_dc
, mask_orig_obj
);
2006 SetTextColor (hdc
, s
->gc
->foreground
);
2007 SetBkColor (hdc
, s
->gc
->background
);
2009 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2010 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2012 /* When the image has a mask, we can expect that at
2013 least part of a mouse highlight or a block cursor will
2014 be visible. If the image doesn't have a mask, make
2015 a block cursor visible by drawing a rectangle around
2016 the image. I believe it's looking better if we do
2017 nothing here for mouse-face. */
2018 if (s
->hl
== DRAW_CURSOR
)
2020 int r
= s
->img
->relief
;
2022 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2023 s
->slice
.width
+ r
*2 - 1,
2024 s
->slice
.height
+ r
*2 - 1);
2028 SelectObject (hdc
, orig_brush
);
2029 DeleteObject (fg_brush
);
2030 SelectObject (compat_hdc
, orig_obj
);
2031 DeleteDC (compat_hdc
);
2034 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2035 s
->slice
.width
- 1, s
->slice
.height
- 1);
2037 SelectObject (hdc
, orig_hdc_obj
);
2042 /* Draw part of the background of glyph string S. X, Y, W, and H
2043 give the rectangle to draw. */
2046 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2048 #if 0 /* TODO: stipple */
2051 /* Fill background with a stipple pattern. */
2052 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2053 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2054 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2058 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2062 /* Draw image glyph string S.
2065 s->x +-------------------------
2068 | +-------------------------
2071 | | +-------------------
2077 x_draw_image_glyph_string (struct glyph_string
*s
)
2080 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2081 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2085 height
= s
->height
- 2 * box_line_vwidth
;
2087 /* Fill background with face under the image. Do it only if row is
2088 taller than image or if image has a clip mask to reduce
2090 s
->stippled_p
= s
->face
->stipple
!= 0;
2091 if (height
> s
->slice
.height
2095 || s
->img
->pixmap
== 0
2096 || s
->width
!= s
->background_width
)
2099 if (s
->first_glyph
->left_box_line_p
2101 x
+= box_line_hwidth
;
2104 if (s
->slice
.y
== 0)
2105 y
+= box_line_vwidth
;
2107 #if 0 /* TODO: figure out if we need to do this on Windows. */
2110 /* Create a pixmap as large as the glyph string. Fill it
2111 with the background color. Copy the image to it, using
2112 its mask. Copy the temporary pixmap to the display. */
2113 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2114 int depth
= DefaultDepthOfScreen (screen
);
2116 /* Create a pixmap as large as the glyph string. */
2117 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2118 s
->background_width
,
2121 /* Don't clip in the following because we're working on the
2123 XSetClipMask (s
->display
, s
->gc
, None
);
2125 /* Fill the pixmap with the background color/stipple. */
2128 /* Fill background with a stipple pattern. */
2129 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2130 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2131 0, 0, s
->background_width
, s
->height
);
2132 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2137 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2139 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2140 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2141 0, 0, s
->background_width
, s
->height
);
2142 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2147 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2149 s
->background_filled_p
= 1;
2152 /* Draw the foreground. */
2155 w32_draw_image_foreground_1 (s
, pixmap
);
2156 x_set_glyph_string_clipping (s
);
2158 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2159 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2160 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2161 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2163 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2164 SetBkColor (s
->hdc
, s
->gc
->background
);
2165 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2166 compat_hdc
, 0, 0, SRCCOPY
);
2168 SelectObject (s
->hdc
, orig_brush
);
2169 DeleteObject (fg_brush
);
2170 SelectObject (compat_hdc
, orig_obj
);
2171 DeleteDC (compat_hdc
);
2173 DeleteObject (pixmap
);
2177 x_draw_image_foreground (s
);
2179 /* If we must draw a relief around the image, do it. */
2181 || s
->hl
== DRAW_IMAGE_RAISED
2182 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2183 x_draw_image_relief (s
);
2187 /* Draw stretch glyph string S. */
2190 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2192 eassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2194 if (s
->hl
== DRAW_CURSOR
2195 && !x_stretch_cursor_p
)
2197 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2198 wide as the stretch glyph. */
2199 int width
, background_width
= s
->background_width
;
2202 if (!s
->row
->reversed_p
)
2204 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2208 background_width
-= left_x
- x
;
2214 /* In R2L rows, draw the cursor on the right edge of the
2216 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2218 if (x
+ background_width
> right_x
)
2219 background_width
-= x
- right_x
;
2220 x
+= background_width
;
2222 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2223 if (s
->row
->reversed_p
)
2227 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2229 /* Clear rest using the GC of the original non-cursor face. */
2230 if (width
< background_width
)
2232 XGCValues
*gc
= s
->face
->gc
;
2234 int w
= background_width
- width
, h
= s
->height
;
2238 if (!s
->row
->reversed_p
)
2242 if (s
->row
->mouse_face_p
2243 && cursor_in_mouse_face_p (s
->w
))
2245 x_set_mouse_face_gc (s
);
2251 get_glyph_string_clip_rect (s
, &r
);
2252 w32_set_clip_rectangle (hdc
, &r
);
2254 #if 0 /* TODO: stipple */
2255 if (s
->face
->stipple
)
2257 /* Fill background with a stipple pattern. */
2258 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2259 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2260 XSetFillStyle (s
->display
, gc
, FillSolid
);
2265 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2269 else if (!s
->background_filled_p
)
2271 int background_width
= s
->background_width
;
2272 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2274 /* Don't draw into left margin, fringe or scrollbar area
2275 except for header line and mode line. */
2276 if (x
< left_x
&& !s
->row
->mode_line_p
)
2278 background_width
-= left_x
- x
;
2281 if (background_width
> 0)
2282 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2285 s
->background_filled_p
= 1;
2289 /* Draw glyph string S. */
2292 x_draw_glyph_string (struct glyph_string
*s
)
2294 bool relief_drawn_p
= 0;
2296 /* If S draws into the background of its successor, draw the
2297 background of the successor first so that S can draw into it.
2298 This makes S->next use XDrawString instead of XDrawImageString. */
2299 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2302 struct glyph_string
*next
;
2303 for (width
= 0, next
= s
->next
;
2304 next
&& width
< s
->right_overhang
;
2305 width
+= next
->width
, next
= next
->next
)
2306 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2308 x_set_glyph_string_gc (next
);
2309 x_set_glyph_string_clipping (next
);
2310 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2311 x_draw_stretch_glyph_string (next
);
2313 x_draw_glyph_string_background (next
, 1);
2314 next
->num_clips
= 0;
2318 /* Set up S->gc, set clipping and draw S. */
2319 x_set_glyph_string_gc (s
);
2321 /* Draw relief (if any) in advance for char/composition so that the
2322 glyph string can be drawn over it. */
2323 if (!s
->for_overlaps
2324 && s
->face
->box
!= FACE_NO_BOX
2325 && (s
->first_glyph
->type
== CHAR_GLYPH
2326 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2329 x_set_glyph_string_clipping (s
);
2330 x_draw_glyph_string_background (s
, 1);
2331 x_draw_glyph_string_box (s
);
2332 x_set_glyph_string_clipping (s
);
2335 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2337 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2338 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2339 /* We must clip just this glyph. left_overhang part has already
2340 drawn when s->prev was drawn, and right_overhang part will be
2341 drawn later when s->next is drawn. */
2342 x_set_glyph_string_clipping_exactly (s
, s
);
2344 x_set_glyph_string_clipping (s
);
2346 switch (s
->first_glyph
->type
)
2349 x_draw_image_glyph_string (s
);
2353 x_draw_stretch_glyph_string (s
);
2357 if (s
->for_overlaps
)
2358 s
->background_filled_p
= 1;
2360 x_draw_glyph_string_background (s
, 0);
2361 x_draw_glyph_string_foreground (s
);
2364 case COMPOSITE_GLYPH
:
2365 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2366 && ! s
->first_glyph
->u
.cmp
.automatic
))
2367 s
->background_filled_p
= 1;
2369 x_draw_glyph_string_background (s
, 1);
2370 x_draw_composite_glyph_string_foreground (s
);
2373 case GLYPHLESS_GLYPH
:
2374 if (s
->for_overlaps
)
2375 s
->background_filled_p
= 1;
2377 x_draw_glyph_string_background (s
, 0);
2378 x_draw_glyphless_glyph_string_foreground (s
);
2385 if (!s
->for_overlaps
)
2387 /* Draw underline. */
2388 if (s
->face
->underline_p
)
2390 if (s
->face
->underline_type
== FACE_UNDER_WAVE
)
2394 if (s
->face
->underline_defaulted_p
)
2395 color
= s
->gc
->foreground
;
2397 color
= s
->face
->underline_color
;
2399 w32_draw_underwave (s
, color
);
2401 else if (s
->face
->underline_type
== FACE_UNDER_LINE
)
2403 unsigned long thickness
, position
;
2406 if (s
->prev
&& s
->prev
->face
->underline_p
2407 && s
->prev
->face
->underline_type
== FACE_UNDER_LINE
)
2409 /* We use the same underline style as the previous one. */
2410 thickness
= s
->prev
->underline_thickness
;
2411 position
= s
->prev
->underline_position
;
2415 /* Get the underline thickness. Default is 1 pixel. */
2416 if (s
->font
&& s
->font
->underline_thickness
> 0)
2417 thickness
= s
->font
->underline_thickness
;
2420 if (x_underline_at_descent_line
)
2421 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2424 /* Get the underline position. This is the recommended
2425 vertical offset in pixels from the baseline to the top of
2426 the underline. This is a signed value according to the
2427 specs, and its default is
2429 ROUND ((maximum_descent) / 2), with
2430 ROUND (x) = floor (x + 0.5) */
2432 if (x_use_underline_position_properties
2433 && s
->font
&& s
->font
->underline_position
>= 0)
2434 position
= s
->font
->underline_position
;
2436 position
= (s
->font
->descent
+ 1) / 2;
2438 position
= max (position
, underline_minimum_offset
);
2440 /* Check the sanity of thickness and position. We should
2441 avoid drawing underline out of the current line area. */
2442 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2443 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2444 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2445 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2446 s
->underline_thickness
= thickness
;
2447 s
->underline_position
=position
;
2448 y
= s
->ybase
+ position
;
2449 if (s
->face
->underline_defaulted_p
)
2451 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2456 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2461 /* Draw overline. */
2462 if (s
->face
->overline_p
)
2464 unsigned long dy
= 0, h
= 1;
2466 if (s
->face
->overline_color_defaulted_p
)
2468 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2469 s
->y
+ dy
, s
->width
, h
);
2473 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2474 s
->y
+ dy
, s
->width
, h
);
2478 /* Draw strike-through. */
2479 if (s
->face
->strike_through_p
2480 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2482 unsigned long h
= 1;
2483 unsigned long dy
= (s
->height
- h
) / 2;
2485 if (s
->face
->strike_through_color_defaulted_p
)
2487 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2492 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2493 s
->y
+ dy
, s
->width
, h
);
2497 /* Draw relief if not yet drawn. */
2498 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2499 x_draw_glyph_string_box (s
);
2503 struct glyph_string
*prev
;
2505 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2506 if (prev
->hl
!= s
->hl
2507 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2509 /* As prev was drawn while clipped to its own area, we
2510 must draw the right_overhang part using s->hl now. */
2511 enum draw_glyphs_face save
= prev
->hl
;
2514 x_set_glyph_string_gc (prev
);
2515 x_set_glyph_string_clipping_exactly (s
, prev
);
2516 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2517 x_draw_glyph_string_foreground (prev
);
2519 x_draw_composite_glyph_string_foreground (prev
);
2520 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2522 prev
->num_clips
= 0;
2528 struct glyph_string
*next
;
2530 for (next
= s
->next
; next
; next
= next
->next
)
2531 if (next
->hl
!= s
->hl
2532 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2534 /* As next will be drawn while clipped to its own area,
2535 we must draw the left_overhang part using s->hl now. */
2536 enum draw_glyphs_face save
= next
->hl
;
2539 x_set_glyph_string_gc (next
);
2540 x_set_glyph_string_clipping_exactly (s
, next
);
2541 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2542 x_draw_glyph_string_foreground (next
);
2544 x_draw_composite_glyph_string_foreground (next
);
2545 w32_set_clip_rectangle (next
->hdc
, NULL
);
2547 next
->num_clips
= 0;
2548 next
->clip_head
= s
->next
;
2553 /* Reset clipping. */
2554 w32_set_clip_rectangle (s
->hdc
, NULL
);
2559 /* Shift display to make room for inserted glyphs. */
2562 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2563 int width
, int height
, int shift_by
)
2567 hdc
= get_frame_dc (f
);
2568 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2569 hdc
, x
, y
, SRCCOPY
);
2571 release_frame_dc (f
, hdc
);
2575 /* Delete N glyphs at the nominal cursor position. Not implemented
2579 x_delete_glyphs (struct frame
*f
, register int n
)
2581 if (! FRAME_W32_P (f
))
2588 /* Clear entire frame. */
2591 x_clear_frame (struct frame
*f
)
2593 if (! FRAME_W32_P (f
))
2596 /* Clearing the frame will erase any cursor, so mark them all as no
2598 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2602 w32_clear_window (f
);
2604 /* We have to clear the scroll bars, too. If we have changed
2605 colors or something like that, then they should be notified. */
2606 x_scroll_bar_clear (f
);
2612 /* Make audible bell. */
2615 w32_ring_bell (struct frame
*f
)
2619 if (FRAME_W32_P (f
) && visible_bell
)
2622 HWND hwnd
= FRAME_W32_WINDOW (f
);
2624 for (i
= 0; i
< 5; i
++)
2626 FlashWindow (hwnd
, TRUE
);
2629 FlashWindow (hwnd
, FALSE
);
2632 w32_sys_ring_bell (f
);
2637 /***********************************************************************
2639 ***********************************************************************/
2641 /* Perform an insert-lines or delete-lines operation, inserting N
2642 lines or deleting -N lines at vertical position VPOS. */
2645 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2647 if (! FRAME_W32_P (f
))
2654 /* Scroll part of the display as described by RUN. */
2657 x_scroll_run (struct window
*w
, struct run
*run
)
2659 struct frame
*f
= XFRAME (w
->frame
);
2660 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2661 HWND hwnd
= FRAME_W32_WINDOW (f
);
2664 /* Get frame-relative bounding box of the text display area of W,
2665 without mode lines. Include in this box the left and right
2667 window_box (w
, ANY_AREA
, &x
, &y
, &width
, &height
);
2669 /* If the fringe is adjacent to the left (right) scroll bar of a
2670 leftmost (rightmost, respectively) window, then extend its
2671 background to the gap between the fringe and the bar. */
2672 if ((WINDOW_LEFTMOST_P (w
)
2673 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2674 || (WINDOW_RIGHTMOST_P (w
)
2675 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2677 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2681 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2682 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2683 * FRAME_COLUMN_WIDTH (f
));
2685 if (bar_area_x
+ bar_area_width
== x
)
2687 x
= bar_area_x
+ sb_width
;
2688 width
+= bar_area_width
- sb_width
;
2690 else if (x
+ width
== bar_area_x
)
2691 width
+= bar_area_width
- sb_width
;
2695 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2696 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2697 bottom_y
= y
+ height
;
2701 /* Scrolling up. Make sure we don't copy part of the mode
2702 line at the bottom. */
2703 if (from_y
+ run
->height
> bottom_y
)
2704 height
= bottom_y
- from_y
;
2706 height
= run
->height
;
2707 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2711 /* Scrolling down. Make sure we don't copy over the mode line.
2713 if (to_y
+ run
->height
> bottom_y
)
2714 height
= bottom_y
- to_y
;
2716 height
= run
->height
;
2717 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2722 /* Cursor off. Will be switched on again in x_update_window_end. */
2728 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2729 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2731 from
.left
= to
.left
= x
;
2732 from
.right
= to
.right
= x
+ width
;
2734 from
.bottom
= from_y
+ height
;
2736 to
.bottom
= bottom_y
;
2738 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2739 NULL
, SW_INVALIDATE
);
2741 /* Combine this with what we expect to be dirty. This covers the
2742 case where not all of the region we expect is actually dirty. */
2743 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2745 /* If the dirty region is not what we expected, redraw the entire frame. */
2746 if (!EqualRgn (combined
, expect_dirty
))
2747 SET_FRAME_GARBAGED (f
);
2749 DeleteObject (dirty
);
2750 DeleteObject (combined
);
2754 DeleteObject (expect_dirty
);
2759 /***********************************************************************
2761 ***********************************************************************/
2764 frame_highlight (struct frame
*f
)
2766 x_update_cursor (f
, 1);
2767 x_set_frame_alpha (f
);
2771 frame_unhighlight (struct frame
*f
)
2773 x_update_cursor (f
, 1);
2774 x_set_frame_alpha (f
);
2777 /* The focus has changed. Update the frames as necessary to reflect
2778 the new situation. Note that we can't change the selected frame
2779 here, because the Lisp code we are interrupting might become confused.
2780 Each event gets marked with the frame in which it occurred, so the
2781 Lisp code can tell when the switch took place by examining the events. */
2784 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2786 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2788 if (frame
!= dpyinfo
->w32_focus_frame
)
2790 /* Set this before calling other routines, so that they see
2791 the correct value of w32_focus_frame. */
2792 dpyinfo
->w32_focus_frame
= frame
;
2794 if (old_focus
&& old_focus
->auto_lower
)
2795 x_lower_frame (old_focus
);
2797 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2798 dpyinfo
->w32_pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2800 dpyinfo
->w32_pending_autoraise_frame
= NULL
;
2803 x_frame_rehighlight (dpyinfo
);
2807 /* Handle FocusIn and FocusOut state changes for FRAME.
2808 If FRAME has focus and there exists more than one frame, puts
2809 a FOCUS_IN_EVENT into *BUFP. */
2812 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2813 struct frame
*frame
, struct input_event
*bufp
)
2815 if (type
== WM_SETFOCUS
)
2817 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2819 x_new_focus_frame (dpyinfo
, frame
);
2820 dpyinfo
->w32_focus_event_frame
= frame
;
2822 /* Don't stop displaying the initial startup message
2823 for a switch-frame event we don't need. */
2824 if (NILP (Vterminal_frame
)
2825 && CONSP (Vframe_list
)
2826 && !NILP (XCDR (Vframe_list
)))
2835 bufp
->kind
= FOCUS_IN_EVENT
;
2836 XSETFRAME (bufp
->frame_or_window
, frame
);
2839 frame
->output_data
.x
->focus_state
|= state
;
2841 /* TODO: IME focus? */
2843 else if (type
== WM_KILLFOCUS
)
2845 frame
->output_data
.x
->focus_state
&= ~state
;
2847 if (dpyinfo
->w32_focus_event_frame
== frame
)
2849 dpyinfo
->w32_focus_event_frame
= 0;
2850 x_new_focus_frame (dpyinfo
, 0);
2852 bufp
->kind
= FOCUS_OUT_EVENT
;
2853 XSETFRAME (bufp
->frame_or_window
, frame
);
2856 /* TODO: IME focus? */
2861 /* The focus may have changed. Figure out if it is a real focus change,
2862 by checking both FocusIn/Out and Enter/LeaveNotify events.
2864 Returns FOCUS_IN_EVENT event in *BUFP. */
2867 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2868 struct input_event
*bufp
)
2870 struct frame
*frame
;
2872 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2876 /* On w32, this is only called from focus events, so no switch needed. */
2877 x_focus_changed (event
->msg
.message
,
2878 (event
->msg
.message
== WM_KILLFOCUS
?
2879 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2880 dpyinfo
, frame
, bufp
);
2884 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2887 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2889 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2892 /* The focus has changed, or we have redirected a frame's focus to
2893 another frame (this happens when a frame uses a surrogate
2894 mini-buffer frame). Shift the highlight as appropriate.
2896 The FRAME argument doesn't necessarily have anything to do with which
2897 frame is being highlighted or un-highlighted; we only use it to find
2898 the appropriate X display info. */
2901 w32_frame_rehighlight (struct frame
*frame
)
2903 if (! FRAME_W32_P (frame
))
2905 x_frame_rehighlight (FRAME_DISPLAY_INFO (frame
));
2909 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2911 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2913 if (dpyinfo
->w32_focus_frame
)
2915 dpyinfo
->x_highlight_frame
2916 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2917 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2918 : dpyinfo
->w32_focus_frame
);
2919 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2921 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
2922 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2926 dpyinfo
->x_highlight_frame
= 0;
2928 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2931 frame_unhighlight (old_highlight
);
2932 if (dpyinfo
->x_highlight_frame
)
2933 frame_highlight (dpyinfo
->x_highlight_frame
);
2937 /* Keyboard processing - modifier keys, etc. */
2939 /* Convert a keysym to its name. */
2942 x_get_keysym_name (int keysym
)
2944 /* Make static so we can always return it */
2945 static char value
[100];
2948 GetKeyNameText (keysym
, value
, 100);
2955 codepage_for_locale (LCID locale
)
2959 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
2966 /* Mouse clicks and mouse movement. Rah. */
2968 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2969 the state in PUP. XBUTTON provides extra information for extended mouse
2970 button messages. Returns FALSE if unable to parse the message. */
2972 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
2979 case WM_LBUTTONDOWN
:
2987 case WM_MBUTTONDOWN
:
2988 if (NILP (Vw32_swap_mouse_buttons
))
2995 if (NILP (Vw32_swap_mouse_buttons
))
3001 case WM_RBUTTONDOWN
:
3002 if (NILP (Vw32_swap_mouse_buttons
))
3009 if (NILP (Vw32_swap_mouse_buttons
))
3015 case WM_XBUTTONDOWN
:
3016 button
= xbutton
+ 2;
3020 button
= xbutton
+ 2;
3028 if (pbutton
) *pbutton
= button
;
3034 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3036 If the event is a button press, then note that we have grabbed
3040 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3045 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3048 /* Make the event type NO_EVENT; we'll change that when we decide
3050 result
->kind
= MOUSE_CLICK_EVENT
;
3051 result
->code
= button
;
3052 result
->timestamp
= msg
->msg
.time
;
3053 result
->modifiers
= (msg
->dwModifiers
3058 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3059 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3060 XSETFRAME (result
->frame_or_window
, f
);
3066 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3071 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3074 result
->timestamp
= msg
->msg
.time
;
3076 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3077 forward, away from the user (up); a negative value indicates that
3078 the wheel was rotated backward, toward the user (down). */
3079 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3081 /* The up and down modifiers indicate if the wheel was rotated up or
3082 down based on WHEEL_DELTA value. */
3083 result
->modifiers
= (msg
->dwModifiers
3084 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3086 /* With multiple monitors, we can legitimately get negative
3087 coordinates, so cast to short to interpret them correctly. */
3088 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3089 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3090 ScreenToClient (msg
->msg
.hwnd
, &p
);
3091 XSETINT (result
->x
, p
.x
);
3092 XSETINT (result
->y
, p
.y
);
3093 XSETFRAME (result
->frame_or_window
, f
);
3099 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3109 result
->kind
= DRAG_N_DROP_EVENT
;
3111 result
->timestamp
= msg
->msg
.time
;
3112 result
->modifiers
= msg
->dwModifiers
;
3114 hdrop
= (HDROP
) msg
->msg
.wParam
;
3115 DragQueryPoint (hdrop
, &p
);
3118 p
.x
= LOWORD (msg
->msg
.lParam
);
3119 p
.y
= HIWORD (msg
->msg
.lParam
);
3120 ScreenToClient (msg
->msg
.hwnd
, &p
);
3123 XSETINT (result
->x
, p
.x
);
3124 XSETINT (result
->y
, p
.y
);
3126 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3129 for (i
= 0; i
< num_files
; i
++)
3131 len
= GUI_FN (DragQueryFile
) (hdrop
, i
, NULL
, 0);
3135 name
= alloca ((len
+ 1) * sizeof (*name
));
3136 GUI_FN (DragQueryFile
) (hdrop
, i
, name
, len
+ 1);
3137 #ifdef NTGUI_UNICODE
3138 files
= Fcons (from_unicode_buffer (name
), files
);
3140 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3141 #endif /* NTGUI_UNICODE */
3146 XSETFRAME (frame
, f
);
3147 result
->frame_or_window
= frame
;
3148 result
->arg
= files
;
3155 /* File event notifications (see w32notify.c). */
3158 lispy_file_action (DWORD action
)
3160 static char unknown_fmt
[] = "unknown-action(%d)";
3165 case FILE_ACTION_ADDED
:
3168 case FILE_ACTION_REMOVED
:
3171 case FILE_ACTION_MODIFIED
:
3174 case FILE_ACTION_RENAMED_OLD_NAME
:
3175 retval
= Qrenamed_from
;
3177 case FILE_ACTION_RENAMED_NEW_NAME
:
3178 retval
= Qrenamed_to
;
3182 char buf
[sizeof(unknown_fmt
) - 1 + INT_STRLEN_BOUND (DWORD
)];
3184 sprintf (buf
, unknown_fmt
, action
);
3185 retval
= intern (buf
);
3194 /* Put file notifications into the Emacs input event queue. This
3195 function runs when the WM_EMACS_FILENOTIFY message arrives from a
3198 queue_notifications (struct input_event
*event
, W32Msg
*msg
, struct frame
*f
,
3201 BYTE
*p
= file_notifications
;
3202 FILE_NOTIFY_INFORMATION
*fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3203 const DWORD min_size
3204 = offsetof (FILE_NOTIFY_INFORMATION
, FileName
) + sizeof(wchar_t);
3207 /* We cannot process notification before Emacs is fully initialized,
3208 since we need the UTF-16LE coding-system to be set up. */
3211 notification_buffer_in_use
= 0;
3215 XSETFRAME (frame
, f
);
3218 if (notification_buffer_in_use
)
3220 DWORD info_size
= notifications_size
;
3221 Lisp_Object cs
= intern ("utf-16le");
3222 Lisp_Object obj
= w32_get_watch_object (notifications_desc
);
3224 /* notifications_size could be zero when the buffer of
3225 notifications overflowed on the OS level, or when the
3226 directory being watched was itself deleted. Do nothing in
3229 && !NILP (obj
) && CONSP (obj
))
3231 Lisp_Object callback
= XCDR (obj
);
3233 while (info_size
>= min_size
)
3235 Lisp_Object utf_16_fn
3236 = make_unibyte_string ((char *)fni
->FileName
,
3237 fni
->FileNameLength
);
3238 /* Note: mule-conf is preloaded, so utf-16le must
3239 already be defined at this point. */
3241 = code_convert_string_norecord (utf_16_fn
, cs
, 0);
3242 Lisp_Object action
= lispy_file_action (fni
->Action
);
3244 event
->kind
= FILE_NOTIFY_EVENT
;
3246 = (ptrdiff_t)XINT (XIL ((EMACS_INT
)notifications_desc
));
3247 event
->timestamp
= msg
->msg
.time
;
3248 event
->modifiers
= 0;
3249 event
->frame_or_window
= callback
;
3250 event
->arg
= Fcons (action
, fname
);
3251 kbd_buffer_store_event (event
);
3254 if (!fni
->NextEntryOffset
)
3256 p
+= fni
->NextEntryOffset
;
3257 fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3258 info_size
-= fni
->NextEntryOffset
;
3261 notification_buffer_in_use
= 0;
3264 DebPrint (("We were promised notifications, but in-use flag is zero!\n"));
3267 /* We've stuffed all the events ourselves, so w32_read_socket shouldn't. */
3268 event
->kind
= NO_EVENT
;
3270 #endif /* WINDOWSNT */
3271 #endif /* HAVE_W32NOTIFY */
3274 /* Function to report a mouse movement to the mainstream Emacs code.
3275 The input handler calls this.
3277 We have received a mouse movement event, which is given in *event.
3278 If the mouse is over a different glyph than it was last time, tell
3279 the mainstream emacs code by setting mouse_moved. If not, ask for
3280 another motion event, so we can check again the next time it moves. */
3283 note_mouse_movement (struct frame
*frame
, MSG
*msg
)
3285 struct w32_display_info
*dpyinfo
;
3286 int mouse_x
= LOWORD (msg
->lParam
);
3287 int mouse_y
= HIWORD (msg
->lParam
);
3290 if (!FRAME_X_OUTPUT (frame
))
3293 dpyinfo
= FRAME_DISPLAY_INFO (frame
);
3294 dpyinfo
->last_mouse_movement_time
= msg
->time
;
3295 dpyinfo
->last_mouse_motion_frame
= frame
;
3296 dpyinfo
->last_mouse_motion_x
= mouse_x
;
3297 dpyinfo
->last_mouse_motion_y
= mouse_y
;
3299 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3301 frame
->mouse_moved
= 1;
3302 dpyinfo
->last_mouse_scroll_bar
= NULL
;
3303 note_mouse_highlight (frame
, -1, -1);
3304 dpyinfo
->last_mouse_glyph_frame
= NULL
;
3308 /* Has the mouse moved off the glyph it was on at the last sighting? */
3309 r
= &dpyinfo
->last_mouse_glyph
;
3310 if (frame
!= dpyinfo
->last_mouse_glyph_frame
3311 || mouse_x
< r
->left
|| mouse_x
>= r
->right
3312 || mouse_y
< r
->top
|| mouse_y
>= r
->bottom
)
3314 frame
->mouse_moved
= 1;
3315 dpyinfo
->last_mouse_scroll_bar
= NULL
;
3316 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3317 /* Remember the mouse position here, as w32_mouse_position only
3318 gets called when mouse tracking is enabled but we also need
3319 to keep track of the mouse for help_echo and highlighting at
3321 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, r
);
3322 dpyinfo
->last_mouse_glyph_frame
= frame
;
3330 /************************************************************************
3332 ************************************************************************/
3334 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3335 static void x_scroll_bar_report_motion (struct frame
**, Lisp_Object
*,
3336 enum scroll_bar_part
*,
3337 Lisp_Object
*, Lisp_Object
*,
3339 static void x_check_fullscreen (struct frame
*);
3342 w32_define_cursor (Window window
, Cursor cursor
)
3344 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3346 /* Return the current position of the mouse.
3347 *fp should be a frame which indicates which display to ask about.
3349 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3350 and *part to the frame, window, and scroll bar part that the mouse
3351 is over. Set *x and *y to the portion and whole of the mouse's
3352 position on the scroll bar.
3354 If the mouse movement started elsewhere, set *fp to the frame the
3355 mouse is on, *bar_window to nil, and *x and *y to the character cell
3358 Set *time to the server time-stamp for the time at which the mouse
3359 was at this position.
3361 Don't store anything if we don't have a valid set of values to report.
3363 This clears the mouse_moved flag, so we can wait for the next mouse
3367 w32_mouse_position (struct frame
**fp
, int insist
, Lisp_Object
*bar_window
,
3368 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3369 unsigned long *time
)
3372 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (*fp
);
3376 if (dpyinfo
->last_mouse_scroll_bar
&& insist
== 0)
3377 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3382 Lisp_Object frame
, tail
;
3384 /* Clear the mouse-moved flag for every frame on this display. */
3385 FOR_EACH_FRAME (tail
, frame
)
3386 XFRAME (frame
)->mouse_moved
= 0;
3388 dpyinfo
->last_mouse_scroll_bar
= NULL
;
3392 /* Now we have a position on the root; find the innermost window
3393 containing the pointer. */
3395 /* If mouse was grabbed on a frame, give coords for that
3396 frame even if the mouse is now outside it. Otherwise
3397 check for window under mouse on one of our frames. */
3398 f1
= (x_mouse_grabbed (dpyinfo
) ? dpyinfo
->last_mouse_frame
3399 : x_any_window_to_frame (dpyinfo
, WindowFromPoint (pt
)));
3401 /* If not, is it one of our scroll bars? */
3404 struct scroll_bar
*bar
3405 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3409 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3413 if (f1
== 0 && insist
> 0)
3414 f1
= SELECTED_FRAME ();
3418 /* Ok, we found a frame. Store all the values.
3419 last_mouse_glyph is a rectangle used to reduce the
3420 generation of mouse events. To not miss any motion
3421 events, we must divide the frame into rectangles of the
3422 size of the smallest character that could be displayed
3423 on it, i.e. into the same rectangles that matrices on
3424 the frame are divided into. */
3426 dpyinfo
= FRAME_DISPLAY_INFO (f1
);
3427 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3428 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &dpyinfo
->last_mouse_glyph
);
3429 dpyinfo
->last_mouse_glyph_frame
= f1
;
3436 *time
= dpyinfo
->last_mouse_movement_time
;
3445 /***********************************************************************
3447 ***********************************************************************/
3449 /* Handle mouse button event on the tool-bar of frame F, at
3450 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3451 or ButtonRelease. */
3454 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3456 int x
= XFASTINT (button_event
->x
);
3457 int y
= XFASTINT (button_event
->y
);
3459 if (button_event
->modifiers
& down_modifier
)
3460 handle_tool_bar_click (f
, x
, y
, 1, 0);
3462 handle_tool_bar_click (f
, x
, y
, 0,
3463 button_event
->modifiers
& ~up_modifier
);
3468 /***********************************************************************
3470 ***********************************************************************/
3472 /* Scroll bar support. */
3474 /* Given a window ID, find the struct scroll_bar which manages it.
3475 This can be called in GC, so we have to make sure to strip off mark
3478 static struct scroll_bar
*
3479 x_window_to_scroll_bar (Window window_id
)
3481 Lisp_Object tail
, frame
;
3483 FOR_EACH_FRAME (tail
, frame
)
3485 Lisp_Object bar
, condemned
;
3487 /* Scan this frame's scroll bar list for a scroll bar with the
3489 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3490 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3491 /* This trick allows us to search both the ordinary and
3492 condemned scroll bar lists with one loop. */
3493 ! NILP (bar
) || (bar
= condemned
,
3496 bar
= XSCROLL_BAR (bar
)->next
)
3497 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3498 return XSCROLL_BAR (bar
);
3506 /* Set the thumb size and position of scroll bar BAR. We are currently
3507 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3510 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3511 int portion
, int position
, int whole
)
3513 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3514 /* We use the whole scroll-bar height in the calculations below, to
3515 avoid strange effects like scrolling backwards when just clicking
3516 on the handle (without moving it). */
3517 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3518 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3519 int sb_page
, sb_pos
;
3520 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3523 /* We used to change the nPage setting while dragging the handle,
3524 but that had very strange effects (such as scrolling backwards
3525 while dragging downwards).
3527 Now, we don't change the nPage setting while dragging unless we
3528 get near to the end of the buffer, in which case we often have to
3529 resize the handle to "go all the way". */
3535 si
.cbSize
= sizeof (si
);
3536 si
.fMask
= SIF_POS
| SIF_PAGE
;
3537 GetScrollInfo (w
, SB_CTL
, &si
);
3538 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3546 /* Position scroll bar at rock bottom if the bottom of the
3547 buffer is visible. This avoids shrinking the thumb away
3548 to nothing if it is held at the bottom of the buffer. */
3549 if (position
+ portion
>= whole
&& !draggingp
)
3551 sb_page
= range
* (whole
- position
) / whole
;
3556 sb_pos
= position
* range
/ whole
;
3557 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3566 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3570 si
.cbSize
= sizeof (si
);
3571 si
.fMask
= SIF_PAGE
| SIF_POS
;
3575 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3581 /************************************************************************
3582 Scroll bars, general
3583 ************************************************************************/
3586 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3588 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3589 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3593 /*#define ATTACH_THREADS*/
3596 my_show_window (struct frame
*f
, HWND hwnd
, int how
)
3598 #ifndef ATTACH_THREADS
3599 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3600 (WPARAM
) hwnd
, (LPARAM
) how
);
3602 return ShowWindow (hwnd
, how
);
3607 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3608 int x
, int y
, int cx
, int cy
, UINT flags
)
3610 #ifndef ATTACH_THREADS
3612 pos
.hwndInsertAfter
= hwndAfter
;
3618 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3620 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3626 my_set_focus (struct frame
* f
, HWND hwnd
)
3628 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3634 my_set_foreground_window (HWND hwnd
)
3636 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3641 my_destroy_window (struct frame
* f
, HWND hwnd
)
3643 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3648 my_bring_window_to_top (HWND hwnd
)
3650 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3653 /* Create a scroll bar and return the scroll bar vector for it. W is
3654 the Emacs window on which to create the scroll bar. TOP, LEFT,
3655 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3658 static struct scroll_bar
*
3659 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3661 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3664 struct scroll_bar
*bar
3665 = ALLOCATE_PSEUDOVECTOR (struct scroll_bar
, fringe_extended_p
, PVEC_OTHER
);
3670 XSETWINDOW (bar
->window
, w
);
3671 XSETINT (bar
->top
, top
);
3672 XSETINT (bar
->left
, left
);
3673 XSETINT (bar
->width
, width
);
3674 XSETINT (bar
->height
, height
);
3675 XSETINT (bar
->start
, 0);
3676 XSETINT (bar
->end
, 0);
3677 bar
->dragging
= Qnil
;
3678 bar
->fringe_extended_p
= 0;
3680 /* Requires geometry to be set before call to create the real window */
3682 hwnd
= my_create_scrollbar (f
, bar
);
3684 si
.cbSize
= sizeof (si
);
3687 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3688 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3692 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3694 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3696 /* Add bar to its frame's list of scroll bars. */
3697 bar
->next
= FRAME_SCROLL_BARS (f
);
3699 XSETVECTOR (barobj
, bar
);
3700 fset_scroll_bars (f
, barobj
);
3701 if (! NILP (bar
->next
))
3702 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3710 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3714 x_scroll_bar_remove (struct scroll_bar
*bar
)
3716 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3720 /* Destroy the window. */
3721 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3723 /* Dissociate this scroll bar from its window. */
3724 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3729 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3730 that we are displaying PORTION characters out of a total of WHOLE
3731 characters, starting at POSITION. If WINDOW has no scroll bar,
3734 w32_set_vertical_scroll_bar (struct window
*w
,
3735 int portion
, int whole
, int position
)
3737 struct frame
*f
= XFRAME (w
->frame
);
3739 struct scroll_bar
*bar
;
3740 int top
, height
, left
, sb_left
, width
, sb_width
;
3741 int window_y
, window_height
;
3742 bool fringe_extended_p
;
3744 /* Get window dimensions. */
3745 window_box (w
, ANY_AREA
, 0, &window_y
, 0, &window_height
);
3747 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3748 height
= window_height
;
3750 /* Compute the left edge of the scroll bar area. */
3751 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3753 /* Compute the width of the scroll bar which might be less than
3754 the width of the area reserved for the scroll bar. */
3755 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3756 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3760 /* Compute the left edge of the scroll bar. */
3761 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3762 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3764 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3766 fringe_extended_p
= WINDOW_FRINGE_EXTENDED_P (w
);
3768 /* Does the scroll bar exist yet? */
3769 if (NILP (w
->vertical_scroll_bar
))
3773 if (width
> 0 && height
> 0)
3775 hdc
= get_frame_dc (f
);
3776 if (fringe_extended_p
)
3777 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3779 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3780 release_frame_dc (f
, hdc
);
3784 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3788 /* It may just need to be moved and resized. */
3791 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3792 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3794 /* If already correctly positioned, do nothing. */
3795 if (XINT (bar
->left
) == sb_left
3796 && XINT (bar
->top
) == top
3797 && XINT (bar
->width
) == sb_width
3798 && XINT (bar
->height
) == height
3799 && bar
->fringe_extended_p
== fringe_extended_p
)
3801 /* Redraw after clear_frame. */
3802 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3803 InvalidateRect (hwnd
, NULL
, FALSE
);
3811 if (width
&& height
)
3813 hdc
= get_frame_dc (f
);
3814 /* Since Windows scroll bars are smaller than the space reserved
3815 for them on the frame, we have to clear "under" them. */
3816 if (fringe_extended_p
)
3817 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3819 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3820 release_frame_dc (f
, hdc
);
3822 /* Make sure scroll bar is "visible" before moving, to ensure the
3823 area of the parent window now exposed will be refreshed. */
3824 my_show_window (f
, hwnd
, SW_HIDE
);
3825 MoveWindow (hwnd
, sb_left
, top
, sb_width
,
3826 max (height
, 1), TRUE
);
3828 si
.cbSize
= sizeof (si
);
3829 si
.fMask
= SIF_RANGE
;
3831 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3832 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3834 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3836 my_show_window (f
, hwnd
, SW_NORMAL
);
3837 /* InvalidateRect (w, NULL, FALSE); */
3839 /* Remember new settings. */
3840 XSETINT (bar
->left
, sb_left
);
3841 XSETINT (bar
->top
, top
);
3842 XSETINT (bar
->width
, sb_width
);
3843 XSETINT (bar
->height
, height
);
3848 bar
->fringe_extended_p
= fringe_extended_p
;
3850 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3851 XSETVECTOR (barobj
, bar
);
3852 wset_vertical_scroll_bar (w
, barobj
);
3856 /* The following three hooks are used when we're doing a thorough
3857 redisplay of the frame. We don't explicitly know which scroll bars
3858 are going to be deleted, because keeping track of when windows go
3859 away is a real pain - "Can you say set-window-configuration, boys
3860 and girls?" Instead, we just assert at the beginning of redisplay
3861 that *all* scroll bars are to be removed, and then save a scroll bar
3862 from the fiery pit when we actually redisplay its window. */
3864 /* Arrange for all scroll bars on FRAME to be removed at the next call
3865 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3866 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3869 w32_condemn_scroll_bars (struct frame
*frame
)
3871 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3872 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3875 bar
= FRAME_SCROLL_BARS (frame
);
3876 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3877 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3878 XSCROLL_BAR (bar
)->prev
= Qnil
;
3879 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3880 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3881 fset_condemned_scroll_bars (frame
, bar
);
3886 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3887 Note that WINDOW isn't necessarily condemned at all. */
3890 w32_redeem_scroll_bar (struct window
*window
)
3892 struct scroll_bar
*bar
;
3896 /* We can't redeem this window's scroll bar if it doesn't have one. */
3897 if (NILP (window
->vertical_scroll_bar
))
3900 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3902 /* Unlink it from the condemned list. */
3903 f
= XFRAME (WINDOW_FRAME (window
));
3904 if (NILP (bar
->prev
))
3906 /* If the prev pointer is nil, it must be the first in one of
3908 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3909 /* It's not condemned. Everything's fine. */
3911 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3912 window
->vertical_scroll_bar
))
3913 fset_condemned_scroll_bars (f
, bar
->next
);
3915 /* If its prev pointer is nil, it must be at the front of
3916 one or the other! */
3920 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3922 if (! NILP (bar
->next
))
3923 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3925 bar
->next
= FRAME_SCROLL_BARS (f
);
3927 XSETVECTOR (barobj
, bar
);
3928 fset_scroll_bars (f
, barobj
);
3929 if (! NILP (bar
->next
))
3930 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3933 /* Remove all scroll bars on FRAME that haven't been saved since the
3934 last call to `*condemn_scroll_bars_hook'. */
3937 w32_judge_scroll_bars (struct frame
*f
)
3939 Lisp_Object bar
, next
;
3941 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3943 /* Clear out the condemned list now so we won't try to process any
3944 more events on the hapless scroll bars. */
3945 fset_condemned_scroll_bars (f
, Qnil
);
3947 for (; ! NILP (bar
); bar
= next
)
3949 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3951 x_scroll_bar_remove (b
);
3954 b
->next
= b
->prev
= Qnil
;
3957 /* Now there should be no references to the condemned scroll bars,
3958 and they should get garbage-collected. */
3961 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3962 is set to something other than NO_EVENT, it is enqueued.
3964 This may be called from a signal handler, so we have to ignore GC
3968 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
3969 struct input_event
*emacs_event
)
3971 if (! WINDOWP (bar
->window
))
3974 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3975 emacs_event
->code
= 0;
3976 /* not really meaningful to distinguish up/down */
3977 emacs_event
->modifiers
= msg
->dwModifiers
;
3978 emacs_event
->frame_or_window
= bar
->window
;
3979 emacs_event
->arg
= Qnil
;
3980 emacs_event
->timestamp
= msg
->msg
.time
;
3983 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3984 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3986 int dragging
= !NILP (bar
->dragging
);
3989 si
.cbSize
= sizeof (si
);
3992 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3995 bar
->dragging
= Qnil
;
3996 FRAME_DISPLAY_INFO (f
)->last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3998 switch (LOWORD (msg
->msg
.wParam
))
4001 emacs_event
->part
= scroll_bar_down_arrow
;
4004 emacs_event
->part
= scroll_bar_up_arrow
;
4007 emacs_event
->part
= scroll_bar_above_handle
;
4010 emacs_event
->part
= scroll_bar_below_handle
;
4013 emacs_event
->part
= scroll_bar_handle
;
4017 emacs_event
->part
= scroll_bar_handle
;
4021 case SB_THUMBPOSITION
:
4022 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4023 y
= HIWORD (msg
->msg
.wParam
);
4025 emacs_event
->part
= scroll_bar_handle
;
4027 /* "Silently" update current position. */
4031 si
.cbSize
= sizeof (si
);
4034 /* Remember apparent position (we actually lag behind the real
4035 position, so don't set that directly). */
4036 last_scroll_bar_drag_pos
= y
;
4038 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4042 /* If this is the end of a drag sequence, then reset the scroll
4043 handle size to normal and do a final redraw. Otherwise do
4048 int start
= XINT (bar
->start
);
4049 int end
= XINT (bar
->end
);
4051 si
.cbSize
= sizeof (si
);
4052 si
.fMask
= SIF_PAGE
| SIF_POS
;
4053 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4054 si
.nPos
= last_scroll_bar_drag_pos
;
4055 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4059 emacs_event
->kind
= NO_EVENT
;
4063 XSETINT (emacs_event
->x
, y
);
4064 XSETINT (emacs_event
->y
, top_range
);
4070 /* Return information to the user about the current position of the mouse
4071 on the scroll bar. */
4074 x_scroll_bar_report_motion (struct frame
**fp
, Lisp_Object
*bar_window
,
4075 enum scroll_bar_part
*part
,
4076 Lisp_Object
*x
, Lisp_Object
*y
,
4077 unsigned long *time
)
4079 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (*fp
);
4080 struct scroll_bar
*bar
= dpyinfo
->last_mouse_scroll_bar
;
4081 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4082 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4084 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4090 *bar_window
= bar
->window
;
4092 si
.cbSize
= sizeof (si
);
4093 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4095 GetScrollInfo (w
, SB_CTL
, &si
);
4097 top_range
= si
.nMax
- si
.nPage
+ 1;
4099 switch (LOWORD (dpyinfo
->last_mouse_scroll_bar_pos
))
4101 case SB_THUMBPOSITION
:
4103 *part
= scroll_bar_handle
;
4104 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4105 pos
= HIWORD (dpyinfo
->last_mouse_scroll_bar_pos
);
4108 *part
= scroll_bar_handle
;
4112 *part
= scroll_bar_handle
;
4117 XSETINT (*y
, top_range
);
4120 dpyinfo
->last_mouse_scroll_bar
= NULL
;
4122 *time
= dpyinfo
->last_mouse_movement_time
;
4128 /* The screen has been cleared so we may have changed foreground or
4129 background colors, and the scroll bars may need to be redrawn.
4130 Clear out the scroll bars, and ask for expose events, so we can
4134 x_scroll_bar_clear (struct frame
*f
)
4138 /* We can have scroll bars even if this is 0,
4139 if we just turned off scroll bar mode.
4140 But in that case we should not clear them. */
4141 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4142 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4143 bar
= XSCROLL_BAR (bar
)->next
)
4145 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4146 HDC hdc
= GetDC (window
);
4149 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4150 arranges to refresh the scroll bar if hidden. */
4151 my_show_window (f
, window
, SW_HIDE
);
4153 GetClientRect (window
, &rect
);
4154 select_palette (f
, hdc
);
4155 w32_clear_rect (f
, hdc
, &rect
);
4156 deselect_palette (f
, hdc
);
4158 ReleaseDC (window
, hdc
);
4163 /* The main W32 event-reading loop - w32_read_socket. */
4165 /* Record the last 100 characters stored
4166 to help debug the loss-of-chars-during-GC problem. */
4168 static int temp_index
;
4169 static short temp_buffer
[100];
4171 /* Temporarily store lead byte of DBCS input sequences. */
4172 static char dbcs_lead
= 0;
4174 /* Read events coming from the W32 shell.
4175 This routine is called by the SIGIO handler.
4176 We return as soon as there are no more events to be read.
4178 For an overview of how Emacs input works on MS-Windows, see the
4179 commentary before w32_msg_pump in w32fns.c.
4181 We return the number of characters stored into the buffer,
4182 thus pretending to be `read'.
4184 Some of these messages are reposted back to the message queue since the
4185 system calls the windows proc directly in a context where we cannot return
4186 the data nor can we guarantee the state we are in. So if we dispatch them
4187 we will get into an infinite loop. To prevent this from ever happening we
4188 will set a variable to indicate we are in the read_socket call and indicate
4189 which message we are processing since the windows proc gets called
4190 recursively with different messages by the system.
4194 w32_read_socket (struct terminal
*terminal
,
4195 struct input_event
*hold_quit
)
4198 int check_visibility
= 0;
4201 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4202 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4207 /* So people can tell when we have read the available input. */
4208 input_signal_count
++;
4210 /* Process any incoming thread messages. */
4211 drain_message_queue ();
4213 /* TODO: ghostscript integration. */
4214 while (get_next_msg (&msg
, FALSE
))
4216 struct input_event inev
;
4219 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4220 /* w32_name_of_message (msg.msg.message), */
4221 /* msg.msg.time)); */
4224 inev
.kind
= NO_EVENT
;
4227 switch (msg
.msg
.message
)
4229 case WM_EMACS_PAINT
:
4230 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4234 if (msg
.rect
.right
== msg
.rect
.left
||
4235 msg
.rect
.bottom
== msg
.rect
.top
)
4237 /* We may get paint messages even though the client
4238 area is clipped - these are not expose events. */
4239 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4242 else if (FRAME_VISIBLE_P (f
) != 1)
4244 bool iconified
= FRAME_ICONIFIED_P (f
);
4246 /* Definitely not obscured, so mark as visible. */
4247 SET_FRAME_VISIBLE (f
, 1);
4248 SET_FRAME_ICONIFIED (f
, 0);
4249 SET_FRAME_GARBAGED (f
);
4250 if (!f
->output_data
.w32
->asked_for_visible
)
4251 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4254 /* WM_PAINT serves as MapNotify as well, so report
4255 visibility changes properly. */
4258 inev
.kind
= DEICONIFY_EVENT
;
4259 XSETFRAME (inev
.frame_or_window
, f
);
4261 else if (!NILP (Vframe_list
) && !NILP (XCDR (Vframe_list
)))
4262 /* Force a redisplay sooner or later to update the
4263 frame titles in case this is the second frame. */
4264 record_asynch_buffer_change ();
4268 HDC hdc
= get_frame_dc (f
);
4270 /* Erase background again for safety. */
4271 w32_clear_rect (f
, hdc
, &msg
.rect
);
4272 release_frame_dc (f
, hdc
);
4276 msg
.rect
.right
- msg
.rect
.left
,
4277 msg
.rect
.bottom
- msg
.rect
.top
);
4282 case WM_INPUTLANGCHANGE
:
4283 /* Generate a language change event. */
4284 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4286 /* lParam contains the input language ID in its low 16 bits.
4287 Use it to update our record of the keyboard codepage. */
4288 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4293 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4294 XSETFRAME (inev
.frame_or_window
, f
);
4295 inev
.code
= w32_keyboard_codepage
;
4296 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4302 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4304 if (f
&& !FRAME_ICONIFIED_P (f
))
4306 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4307 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4309 clear_mouse_face (hlinfo
);
4310 hlinfo
->mouse_face_hidden
= 1;
4313 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4315 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4316 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4317 inev
.code
= msg
.msg
.wParam
;
4318 inev
.modifiers
= msg
.dwModifiers
;
4319 XSETFRAME (inev
.frame_or_window
, f
);
4320 inev
.timestamp
= msg
.msg
.time
;
4327 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4329 if (f
&& !FRAME_ICONIFIED_P (f
))
4331 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4332 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4334 clear_mouse_face (hlinfo
);
4335 hlinfo
->mouse_face_hidden
= 1;
4338 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4340 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4342 inev
.modifiers
= msg
.dwModifiers
;
4343 XSETFRAME (inev
.frame_or_window
, f
);
4344 inev
.timestamp
= msg
.msg
.time
;
4346 if (msg
.msg
.message
== WM_UNICHAR
)
4348 inev
.code
= msg
.msg
.wParam
;
4350 else if (msg
.msg
.wParam
< 256)
4355 dbcs
[1] = (char) msg
.msg
.wParam
;
4359 dbcs
[0] = dbcs_lead
;
4361 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4365 DebPrint (("Invalid DBCS sequence: %d %d\n",
4367 inev
.kind
= NO_EVENT
;
4371 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4372 (BYTE
) msg
.msg
.wParam
))
4374 dbcs_lead
= (char) msg
.msg
.wParam
;
4375 inev
.kind
= NO_EVENT
;
4380 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4381 &dbcs
[1], 1, &code
, 1))
4383 /* What to do with garbage? */
4384 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4385 inev
.kind
= NO_EVENT
;
4393 /* Windows shouldn't generate WM_CHAR events above 0xFF
4394 in non-Unicode message handlers. */
4395 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4396 inev
.kind
= NO_EVENT
;
4399 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4400 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4405 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4407 if (f
&& !FRAME_ICONIFIED_P (f
))
4409 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4410 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4412 clear_mouse_face (hlinfo
);
4413 hlinfo
->mouse_face_hidden
= 1;
4416 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4418 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4419 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4420 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4421 inev
.modifiers
= msg
.dwModifiers
;
4422 XSETFRAME (inev
.frame_or_window
, f
);
4423 inev
.timestamp
= msg
.msg
.time
;
4428 /* Ignore non-movement. */
4430 int x
= LOWORD (msg
.msg
.lParam
);
4431 int y
= HIWORD (msg
.msg
.lParam
);
4432 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4434 last_mousemove_x
= x
;
4435 last_mousemove_y
= y
;
4438 previous_help_echo_string
= help_echo_string
;
4439 help_echo_string
= Qnil
;
4441 f
= (x_mouse_grabbed (dpyinfo
) ? dpyinfo
->last_mouse_frame
4442 : x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
));
4444 if (hlinfo
->mouse_face_hidden
)
4446 hlinfo
->mouse_face_hidden
= 0;
4447 clear_mouse_face (hlinfo
);
4452 /* Generate SELECT_WINDOW_EVENTs when needed. */
4453 if (!NILP (Vmouse_autoselect_window
))
4455 static Lisp_Object last_mouse_window
;
4456 Lisp_Object window
= window_from_coordinates
4457 (f
, LOWORD (msg
.msg
.lParam
), HIWORD (msg
.msg
.lParam
), 0, 0);
4459 /* Window will be selected only when it is not
4460 selected now and last mouse movement event was
4461 not in it. Minibuffer window will be selected
4462 only when it is active. */
4463 if (WINDOWP (window
)
4464 && !EQ (window
, last_mouse_window
)
4465 && !EQ (window
, selected_window
)
4466 /* For click-to-focus window managers
4467 create event iff we don't leave the
4469 && (focus_follows_mouse
4470 || (EQ (XWINDOW (window
)->frame
,
4471 XWINDOW (selected_window
)->frame
))))
4473 inev
.kind
= SELECT_WINDOW_EVENT
;
4474 inev
.frame_or_window
= window
;
4476 /* Remember the last window where we saw the mouse. */
4477 last_mouse_window
= window
;
4479 if (!note_mouse_movement (f
, &msg
.msg
))
4480 help_echo_string
= previous_help_echo_string
;
4484 /* If we move outside the frame, then we're
4485 certainly no longer on any text in the frame. */
4486 clear_mouse_face (hlinfo
);
4489 /* If the contents of the global variable help_echo_string
4490 has changed, generate a HELP_EVENT. */
4491 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4492 But it was originally changed to this to fix a bug, so I have
4493 not removed it completely in case the bug is still there. */
4494 if (help_echo_string
!= previous_help_echo_string
||
4495 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4496 #else /* This is what xterm.c does. */
4497 if (!NILP (help_echo_string
)
4498 || !NILP (previous_help_echo_string
))
4503 case WM_LBUTTONDOWN
:
4505 case WM_MBUTTONDOWN
:
4507 case WM_RBUTTONDOWN
:
4509 case WM_XBUTTONDOWN
:
4512 /* If we decide we want to generate an event to be seen
4513 by the rest of Emacs, we put it here. */
4514 bool tool_bar_p
= 0;
4518 f
= (x_mouse_grabbed (dpyinfo
) ? dpyinfo
->last_mouse_frame
4519 : x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
));
4523 construct_mouse_click (&inev
, &msg
, f
);
4525 /* Is this in the tool-bar? */
4526 if (WINDOWP (f
->tool_bar_window
)
4527 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4530 int x
= XFASTINT (inev
.x
);
4531 int y
= XFASTINT (inev
.y
);
4533 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4535 if (EQ (window
, f
->tool_bar_window
))
4537 w32_handle_tool_bar_click (f
, &inev
);
4543 || (dpyinfo
->w32_focus_frame
4544 && f
!= dpyinfo
->w32_focus_frame
))
4545 inev
.kind
= NO_EVENT
;
4548 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4553 dpyinfo
->grabbed
&= ~ (1 << button
);
4557 dpyinfo
->grabbed
|= (1 << button
);
4558 dpyinfo
->last_mouse_frame
= f
;
4559 /* Ignore any mouse motion that happened
4560 before this event; any subsequent mouse-movement
4561 Emacs events should reflect only motion after
4567 last_tool_bar_item
= -1;
4573 case WM_MOUSEHWHEEL
:
4575 f
= (x_mouse_grabbed (dpyinfo
) ? dpyinfo
->last_mouse_frame
4576 : x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
));
4581 if (!dpyinfo
->w32_focus_frame
4582 || f
== dpyinfo
->w32_focus_frame
)
4584 /* Emit an Emacs wheel-up/down event. */
4585 construct_mouse_wheel (&inev
, &msg
, f
);
4587 /* Ignore any mouse motion that happened before this
4588 event; any subsequent mouse-movement Emacs events
4589 should reflect only motion after the
4593 dpyinfo
->last_mouse_frame
= f
;
4594 last_tool_bar_item
= -1;
4599 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4602 construct_drag_n_drop (&inev
, &msg
, f
);
4607 struct scroll_bar
*bar
=
4608 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4611 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4615 case WM_WINDOWPOSCHANGED
:
4617 case WM_ACTIVATEAPP
:
4618 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4621 /* Run the full-screen hook function also when we are
4622 being activated, to actually install the required
4623 size in effect, if the WAIT flag is set. This is
4624 because when the hook is run from x_set_fullscreen,
4625 the frame might not yet be visible, if that call is a
4626 result of make-frame, and in that case the hook just
4627 sets the WAIT flag. */
4628 if ((msg
.msg
.message
== WM_WINDOWPOSCHANGED
|| msg
.msg
.wParam
)
4629 && (f
->want_fullscreen
& FULLSCREEN_WAIT
))
4630 w32fullscreen_hook (f
);
4631 x_check_fullscreen (f
);
4633 check_visibility
= 1;
4637 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4639 if (f
&& !FRAME_ICONIFIED_P (f
))
4640 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
4642 check_visibility
= 1;
4646 /* wParam non-zero means Window is about to be shown, 0 means
4647 about to be hidden. */
4648 /* Redo the mouse-highlight after the tooltip has gone. */
4649 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4652 x_redo_mouse_highlight (dpyinfo
);
4655 /* If window has been obscured or exposed by another window
4656 being maximized or minimized/restored, then recheck
4657 visibility of all frames. Direct changes to our own
4658 windows get handled by WM_SIZE. */
4660 if (msg
.msg
.lParam
!= 0)
4661 check_visibility
= 1;
4664 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4665 f
->async_visible
= msg
.msg
.wParam
;
4669 check_visibility
= 1;
4673 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4675 /* Inform lisp of whether frame has been iconified etc. */
4678 switch (msg
.msg
.wParam
)
4680 case SIZE_MINIMIZED
:
4681 SET_FRAME_VISIBLE (f
, 0);
4682 SET_FRAME_ICONIFIED (f
, 1);
4684 inev
.kind
= ICONIFY_EVENT
;
4685 XSETFRAME (inev
.frame_or_window
, f
);
4688 case SIZE_MAXIMIZED
:
4691 bool iconified
= FRAME_ICONIFIED_P (f
);
4694 SET_FRAME_VISIBLE (f
, 1);
4695 SET_FRAME_ICONIFIED (f
, 0);
4697 /* wait_reading_process_output will notice this
4698 and update the frame's display structures. */
4699 SET_FRAME_GARBAGED (f
);
4703 /* Reset top and left positions of the Window
4704 here since Windows sends a WM_MOVE message
4705 BEFORE telling us the Window is minimized
4706 when the Window is iconified, with 3000,3000
4708 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
4710 inev
.kind
= DEICONIFY_EVENT
;
4711 XSETFRAME (inev
.frame_or_window
, f
);
4713 else if (! NILP (Vframe_list
)
4714 && ! NILP (XCDR (Vframe_list
)))
4715 /* Force a redisplay sooner or later
4716 to update the frame titles
4717 in case this is the second frame. */
4718 record_asynch_buffer_change ();
4724 if (f
&& !FRAME_ICONIFIED_P (f
) && msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4732 GetClientRect (msg
.msg
.hwnd
, &rect
);
4734 height
= rect
.bottom
- rect
.top
;
4735 width
= rect
.right
- rect
.left
;
4737 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4738 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4740 /* TODO: Clip size to the screen dimensions. */
4742 /* Even if the number of character rows and columns has
4743 not changed, the font size may have changed, so we need
4744 to check the pixel dimensions as well. */
4746 if (columns
!= FRAME_COLS (f
)
4747 || rows
!= FRAME_LINES (f
)
4748 || width
!= FRAME_PIXEL_WIDTH (f
)
4749 || height
!= FRAME_PIXEL_HEIGHT (f
))
4751 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4752 SET_FRAME_GARBAGED (f
);
4753 cancel_mouse_face (f
);
4754 FRAME_PIXEL_WIDTH (f
) = width
;
4755 FRAME_PIXEL_HEIGHT (f
) = height
;
4756 f
->win_gravity
= NorthWestGravity
;
4760 check_visibility
= 1;
4764 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4767 if (f
== hlinfo
->mouse_face_mouse_frame
)
4769 /* If we move outside the frame, then we're
4770 certainly no longer on any text in the frame. */
4771 clear_mouse_face (hlinfo
);
4772 hlinfo
->mouse_face_mouse_frame
= 0;
4775 /* Generate a nil HELP_EVENT to cancel a help-echo.
4776 Do it only if there's something to cancel.
4777 Otherwise, the startup message is cleared when
4778 the mouse leaves the frame. */
4779 if (any_help_event_p
)
4785 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4787 dpyinfo
->grabbed
= 0;
4788 check_visibility
= 1;
4792 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4793 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4797 if (f
== hlinfo
->mouse_face_mouse_frame
)
4799 /* If we move outside the frame, then we're
4800 certainly no longer on any text in the frame. */
4801 clear_mouse_face (hlinfo
);
4802 hlinfo
->mouse_face_mouse_frame
= 0;
4805 /* Generate a nil HELP_EVENT to cancel a help-echo.
4806 Do it only if there's something to cancel.
4807 Otherwise, the startup message is cleared when
4808 the mouse leaves the frame. */
4809 if (any_help_event_p
)
4813 dpyinfo
->grabbed
= 0;
4814 check_visibility
= 1;
4818 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4822 inev
.kind
= DELETE_WINDOW_EVENT
;
4823 XSETFRAME (inev
.frame_or_window
, f
);
4828 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4832 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4833 XSETFRAME (inev
.frame_or_window
, f
);
4838 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4842 extern void menubar_selection_callback
4843 (struct frame
*f
, void * client_data
);
4844 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4847 check_visibility
= 1;
4850 case WM_DISPLAYCHANGE
:
4851 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4855 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4856 DebPrint (("display change: %d %d\n",
4857 (short) LOWORD (msg
.msg
.lParam
),
4858 (short) HIWORD (msg
.msg
.lParam
)));
4861 check_visibility
= 1;
4865 case WM_EMACS_FILENOTIFY
:
4866 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4868 queue_notifications (&inev
, &msg
, f
, &count
);
4873 /* Check for messages registered at runtime. */
4874 if (msg
.msg
.message
== msh_mousewheel
)
4876 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4877 msg
.msg
.message
= WM_MOUSEWHEEL
;
4883 if (inev
.kind
!= NO_EVENT
)
4885 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4890 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4895 XSETFRAME (frame
, f
);
4901 if (NILP (help_echo_string
))
4903 help_echo_object
= help_echo_window
= Qnil
;
4907 any_help_event_p
= 1;
4908 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4909 help_echo_object
, help_echo_pos
);
4913 help_echo_string
= Qnil
;
4914 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4920 /* If the focus was just given to an autoraising frame,
4921 raise it now. FIXME: handle more than one such frame. */
4922 if (dpyinfo
->w32_pending_autoraise_frame
)
4924 x_raise_frame (dpyinfo
->w32_pending_autoraise_frame
);
4925 dpyinfo
->w32_pending_autoraise_frame
= NULL
;
4928 /* Check which frames are still visible, if we have enqueued any user
4929 events or been notified of events that may affect visibility. We
4930 do this here because there doesn't seem to be any direct
4931 notification from Windows that the visibility of a window has
4932 changed (at least, not in all cases). */
4933 if (count
> 0 || check_visibility
)
4935 Lisp_Object tail
, frame
;
4937 FOR_EACH_FRAME (tail
, frame
)
4939 struct frame
*f
= XFRAME (frame
);
4940 /* The tooltip has been drawn already. Avoid the
4941 SET_FRAME_GARBAGED below. */
4942 if (EQ (frame
, tip_frame
))
4945 /* Check "visible" frames and mark each as obscured or not.
4946 Note that visible is nonzero for unobscured and obscured
4947 frames, but zero for hidden and iconified frames. */
4948 if (FRAME_W32_P (f
) && FRAME_VISIBLE_P (f
))
4955 /* Query clipping rectangle for the entire window area
4956 (GetWindowDC), not just the client portion (GetDC).
4957 Otherwise, the scrollbars and menubar aren't counted as
4958 part of the visible area of the frame, and we may think
4959 the frame is obscured when really a scrollbar is still
4960 visible and gets WM_PAINT messages above. */
4961 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4962 GetClipBox (hdc
, &clipbox
);
4963 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4966 obscured
= FRAME_OBSCURED_P (f
);
4968 if (clipbox
.right
== clipbox
.left
|| clipbox
.bottom
== clipbox
.top
)
4970 /* Frame has become completely obscured so mark as such (we
4971 do this by setting visible to 2 so that FRAME_VISIBLE_P
4972 is still true, but redisplay will skip it). */
4973 SET_FRAME_VISIBLE (f
, 2);
4976 DebPrint (("frame %p (%s) obscured\n", f
, SDATA (f
->name
)));
4980 /* Frame is not obscured, so mark it as such. */
4981 SET_FRAME_VISIBLE (f
, 1);
4985 SET_FRAME_GARBAGED (f
);
4986 DebPrint (("obscured frame %p (%s) found to be visible\n",
4987 f
, SDATA (f
->name
)));
4989 /* Force a redisplay sooner or later. */
4990 record_asynch_buffer_change ();
5003 /***********************************************************************
5005 ***********************************************************************/
5007 /* Set clipping for output in glyph row ROW. W is the window in which
5008 we operate. GC is the graphics context to set clipping in.
5010 ROW may be a text row or, e.g., a mode line. Text rows must be
5011 clipped to the interior of the window dedicated to text display,
5012 mode lines must be clipped to the whole window. */
5015 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
,
5016 enum glyph_row_area area
, HDC hdc
)
5019 int window_x
, window_y
, window_width
;
5021 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5023 clip_rect
.left
= window_x
;
5024 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5025 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5026 clip_rect
.right
= clip_rect
.left
+ window_width
;
5027 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5029 w32_set_clip_rectangle (hdc
, &clip_rect
);
5033 /* Draw a hollow box cursor on window W in glyph row ROW. */
5036 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5038 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5042 struct glyph
*cursor_glyph
;
5043 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5045 /* Get the glyph the cursor is on. If we can't tell because
5046 the current matrix is invalid or such, give up. */
5047 cursor_glyph
= get_phys_cursor_glyph (w
);
5048 if (cursor_glyph
== NULL
)
5054 /* Compute frame-relative coordinates for phys cursor. */
5055 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5058 rect
.bottom
= rect
.top
+ h
;
5059 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5061 hdc
= get_frame_dc (f
);
5062 /* Set clipping, draw the rectangle, and reset clipping again. */
5063 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5064 FrameRect (hdc
, &rect
, hb
);
5066 w32_set_clip_rectangle (hdc
, NULL
);
5067 release_frame_dc (f
, hdc
);
5071 /* Draw a bar cursor on window W in glyph row ROW.
5073 Implementation note: One would like to draw a bar cursor with an
5074 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5075 Unfortunately, I didn't find a font yet that has this property set.
5079 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5080 int width
, enum text_cursor_kinds kind
)
5082 struct frame
*f
= XFRAME (w
->frame
);
5083 struct glyph
*cursor_glyph
;
5085 /* If cursor is out of bounds, don't draw garbage. This can happen
5086 in mini-buffer windows when switching between echo area glyphs
5088 cursor_glyph
= get_phys_cursor_glyph (w
);
5089 if (cursor_glyph
== NULL
)
5092 /* If on an image, draw like a normal cursor. That's usually better
5093 visible than drawing a bar, esp. if the image is large so that
5094 the bar might not be in the window. */
5095 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5097 struct glyph_row
*row
;
5098 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5099 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5103 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5104 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5108 /* If the glyph's background equals the color we normally draw
5109 the bar cursor in, the bar cursor in its normal color is
5110 invisible. Use the glyph's foreground color instead in this
5111 case, on the assumption that the glyph's colors are chosen so
5112 that the glyph is legible. */
5113 if (face
->background
== cursor_color
)
5114 cursor_color
= face
->foreground
;
5116 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5118 hdc
= get_frame_dc (f
);
5119 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5121 if (kind
== BAR_CURSOR
)
5124 width
= FRAME_CURSOR_WIDTH (f
);
5125 width
= min (cursor_glyph
->pixel_width
, width
);
5127 w
->phys_cursor_width
= width
;
5129 /* If the character under cursor is R2L, draw the bar cursor
5130 on the right of its glyph, rather than on the left. */
5131 if ((cursor_glyph
->resolved_level
& 1) != 0)
5132 x
+= cursor_glyph
->pixel_width
- width
;
5134 w32_fill_area (f
, hdc
, cursor_color
, x
,
5135 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5136 width
, row
->height
);
5140 int dummy_x
, dummy_y
, dummy_h
;
5143 width
= row
->height
;
5145 width
= min (row
->height
, width
);
5147 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5148 &dummy_y
, &dummy_h
);
5149 w32_fill_area (f
, hdc
, cursor_color
, x
,
5150 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5151 row
->height
- width
),
5152 w
->phys_cursor_width
, width
);
5155 w32_set_clip_rectangle (hdc
, NULL
);
5156 release_frame_dc (f
, hdc
);
5161 /* RIF: Define cursor CURSOR on frame F. */
5164 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5166 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5170 /* RIF: Clear area on frame F. */
5173 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5177 hdc
= get_frame_dc (f
);
5178 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5179 release_frame_dc (f
, hdc
);
5182 /* RIF: Draw or clear cursor on window W. */
5185 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5186 int x
, int y
, enum text_cursor_kinds cursor_type
,
5187 int cursor_width
, bool on_p
, bool active_p
)
5191 /* If the user wants to use the system caret, make sure our own
5192 cursor remains invisible. */
5193 if (w32_use_visible_system_caret
)
5195 /* Call to erase_phys_cursor here seems to use the
5196 wrong values of w->phys_cursor, as they have been
5197 overwritten before this function was called. */
5198 if (w
->phys_cursor_type
!= NO_CURSOR
)
5199 erase_phys_cursor (w
);
5201 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5202 w
->phys_cursor_width
= -1;
5206 w
->phys_cursor_type
= cursor_type
;
5209 w
->phys_cursor_on_p
= 1;
5211 /* If this is the active cursor, we need to track it with the
5212 system caret, so third party software like screen magnifiers
5213 and speech synthesizers can follow the cursor. */
5216 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5217 HWND hwnd
= FRAME_W32_WINDOW (f
);
5220 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5222 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5223 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5224 w32_system_caret_window
= w
;
5225 w32_system_caret_hdr_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
5226 w32_system_caret_mode_height
= WINDOW_MODE_LINE_HEIGHT (w
);
5228 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5230 /* If the size of the active cursor changed, destroy the old
5232 if (w32_system_caret_hwnd
5233 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5234 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5236 w32_system_caret_height
= w
->phys_cursor_height
;
5238 /* Move the system caret. */
5239 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5242 if (glyph_row
->exact_window_width_line_p
5243 && (glyph_row
->reversed_p
5244 ? (w
->phys_cursor
.hpos
< 0)
5245 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5247 glyph_row
->cursor_in_fringe_p
= 1;
5248 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5252 switch (cursor_type
)
5254 case HOLLOW_BOX_CURSOR
:
5255 x_draw_hollow_cursor (w
, glyph_row
);
5258 case FILLED_BOX_CURSOR
:
5259 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5263 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5267 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5271 w
->phys_cursor_width
= 0;
5285 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5288 HANDLE small_icon
= NULL
;
5290 if (FRAME_W32_WINDOW (f
) == 0)
5294 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5295 else if (STRINGP (icon
))
5297 /* Load the main icon from the named file. */
5298 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5299 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5300 /* Try to load a small icon to go with it. */
5301 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5302 GetSystemMetrics (SM_CXSMICON
),
5303 GetSystemMetrics (SM_CYSMICON
),
5306 else if (SYMBOLP (icon
))
5310 if (EQ (icon
, intern ("application")))
5311 name
= (LPCTSTR
) IDI_APPLICATION
;
5312 else if (EQ (icon
, intern ("hand")))
5313 name
= (LPCTSTR
) IDI_HAND
;
5314 else if (EQ (icon
, intern ("question")))
5315 name
= (LPCTSTR
) IDI_QUESTION
;
5316 else if (EQ (icon
, intern ("exclamation")))
5317 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5318 else if (EQ (icon
, intern ("asterisk")))
5319 name
= (LPCTSTR
) IDI_ASTERISK
;
5320 else if (EQ (icon
, intern ("winlogo")))
5321 name
= (LPCTSTR
) IDI_WINLOGO
;
5325 main_icon
= LoadIcon (NULL
, name
);
5330 if (main_icon
== NULL
)
5333 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5334 (LPARAM
) main_icon
);
5336 /* If there is a small icon that goes with it, set that too. */
5338 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5339 (LPARAM
) small_icon
);
5345 /************************************************************************
5347 ************************************************************************/
5349 /* Display Error Handling functions not used on W32. Listing them here
5350 helps diff stay in step when comparing w32term.c with xterm.c.
5352 x_error_catcher (display, error)
5353 x_catch_errors (dpy)
5354 x_catch_errors_unwind (old_val)
5355 x_check_errors (dpy, format)
5356 x_fully_uncatch_errors ()
5357 x_had_errors_p (dpy)
5358 x_clear_errors (dpy)
5359 x_uncatch_errors (dpy, count)
5361 x_connection_signal (signalnum)
5362 x_connection_closed (dpy, error_message)
5363 x_error_quitter (display, error)
5364 x_error_handler (display, error)
5365 x_io_error_quitter (display)
5370 /* Changing the font of the frame. */
5373 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5375 struct font
*font
= XFONT_OBJECT (font_object
);
5378 fontset
= fontset_from_font (font_object
);
5379 FRAME_FONTSET (f
) = fontset
;
5380 if (FRAME_FONT (f
) == font
)
5381 /* This font is already set in frame F. There's nothing more to
5385 FRAME_FONT (f
) = font
;
5386 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5387 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5388 FRAME_LINE_HEIGHT (f
) = font
->height
;
5390 compute_fringe_widths (f
, 1);
5392 /* Compute the scroll bar width in character columns. */
5393 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5395 int wid
= FRAME_COLUMN_WIDTH (f
);
5396 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5397 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5401 int wid
= FRAME_COLUMN_WIDTH (f
);
5402 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5405 /* Now make the frame display the given font. */
5406 if (FRAME_X_WINDOW (f
) != 0)
5408 /* Don't change the size of a tip frame; there's no point in
5409 doing it because it's done in Fx_show_tip, and it leads to
5410 problems because the tip frame has no widget. */
5411 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5412 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5415 /* X version sets font of input methods here also. */
5421 /***********************************************************************
5422 TODO: W32 Input Methods
5423 ***********************************************************************/
5424 /* Listing missing functions from xterm.c helps diff stay in step.
5426 xim_destroy_callback (xim, client_data, call_data)
5427 xim_open_dpy (dpyinfo, resource_name)
5429 xim_instantiate_callback (display, client_data, call_data)
5430 xim_initialize (dpyinfo, resource_name)
5431 xim_close_dpy (dpyinfo)
5436 /* Calculate the absolute position in frame F
5437 from its current recorded position values and gravity. */
5440 x_calc_absolute_position (struct frame
*f
)
5442 int flags
= f
->size_hint_flags
;
5444 /* The sum of the widths of the frame's left and right borders, and
5445 the sum of the heights of the frame's top and bottom borders (in
5446 pixels) drawn by Windows. */
5447 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5449 /* Try to get the actual values of these two variables. We compute
5450 the border width (height) by subtracting the width (height) of
5451 the frame's client area from the width (height) of the frame's
5453 WINDOWPLACEMENT wp
= { 0 };
5454 RECT client_rect
= { 0 };
5456 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5457 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5459 left_right_borders_width
=
5460 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5461 (client_rect
.right
- client_rect
.left
);
5463 top_bottom_borders_height
=
5464 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5465 (client_rect
.bottom
- client_rect
.top
);
5469 /* Use sensible default values. */
5470 left_right_borders_width
= 8;
5471 top_bottom_borders_height
= 32;
5474 /* Treat negative positions as relative to the rightmost bottommost
5475 position that fits on the screen. */
5476 if (flags
& XNegative
)
5477 f
->left_pos
= (x_display_pixel_width (FRAME_DISPLAY_INFO (f
))
5478 - FRAME_PIXEL_WIDTH (f
)
5480 - (left_right_borders_width
- 1));
5482 if (flags
& YNegative
)
5483 f
->top_pos
= (x_display_pixel_height (FRAME_DISPLAY_INFO (f
))
5484 - FRAME_PIXEL_HEIGHT (f
)
5486 - (top_bottom_borders_height
- 1));
5488 /* The left_pos and top_pos are now relative to the top and left
5489 screen edges, so the flags should correspond. */
5490 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5493 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5494 to really change the position, and 0 when calling from
5495 x_make_frame_visible (in that case, XOFF and YOFF are the current
5496 position values). It is -1 when calling from x_set_frame_parameters,
5497 which means, do adjust for borders but don't change the gravity. */
5500 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5503 int modified_top
, modified_left
;
5505 if (change_gravity
> 0)
5509 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5511 f
->size_hint_flags
|= XNegative
;
5513 f
->size_hint_flags
|= YNegative
;
5514 f
->win_gravity
= NorthWestGravity
;
5516 x_calc_absolute_position (f
);
5519 x_wm_set_size_hint (f
, (long) 0, 0);
5521 modified_left
= f
->left_pos
;
5522 modified_top
= f
->top_pos
;
5524 my_set_window_pos (FRAME_W32_WINDOW (f
),
5526 modified_left
, modified_top
,
5528 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5533 /* Check if we need to resize the frame due to a fullscreen request.
5534 If so needed, resize the frame. */
5536 x_check_fullscreen (struct frame
*f
)
5538 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5540 int width
, height
, ign
;
5542 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5544 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5546 /* We do not need to move the window, it shall be taken care of
5547 when setting WM manager hints. */
5548 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5550 change_frame_size (f
, height
, width
, 0, 1, 0);
5551 SET_FRAME_GARBAGED (f
);
5552 cancel_mouse_face (f
);
5554 /* Wait for the change of frame size to occur. */
5555 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5561 w32fullscreen_hook (struct frame
*f
)
5563 if (FRAME_VISIBLE_P (f
))
5565 HWND hwnd
= FRAME_W32_WINDOW(f
);
5566 DWORD dwStyle
= GetWindowLong (hwnd
, GWL_STYLE
);
5570 f
->want_fullscreen
&= ~FULLSCREEN_WAIT
;
5572 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_NONE
)
5573 GetWindowPlacement (hwnd
, &FRAME_NORMAL_PLACEMENT (f
));
5575 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_BOTH
)
5577 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
| WS_OVERLAPPEDWINDOW
);
5578 SetWindowPos (hwnd
, NULL
, 0, 0, 0, 0,
5579 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOZORDER
|
5580 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5583 w32_fullscreen_rect (hwnd
, f
->want_fullscreen
,
5584 FRAME_NORMAL_PLACEMENT (f
).rcNormalPosition
, &rect
);
5585 FRAME_PREV_FSMODE (f
) = f
->want_fullscreen
;
5586 if (f
->want_fullscreen
== FULLSCREEN_MAXIMIZED
)
5587 PostMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, 0xf030, 0);
5588 else if (f
->want_fullscreen
== FULLSCREEN_BOTH
)
5590 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
& ~WS_OVERLAPPEDWINDOW
);
5591 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5592 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
,
5593 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5597 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5598 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
, 0);
5601 f
->want_fullscreen
= FULLSCREEN_NONE
;
5605 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5608 /* Call this to change the size of frame F's x-window.
5609 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5610 for this size change and subsequent size changes.
5611 Otherwise we leave the window gravity unchanged. */
5614 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5616 int pixelwidth
, pixelheight
;
5620 check_frame_size (f
, &rows
, &cols
);
5621 f
->scroll_bar_actual_width
5622 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5624 compute_fringe_widths (f
, 0);
5626 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5627 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5629 f
->win_gravity
= NorthWestGravity
;
5630 x_wm_set_size_hint (f
, (long) 0, 0);
5635 rect
.left
= rect
.top
= 0;
5636 rect
.right
= pixelwidth
;
5637 rect
.bottom
= pixelheight
;
5639 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5640 FRAME_EXTERNAL_MENU_BAR (f
));
5642 my_set_window_pos (FRAME_W32_WINDOW (f
),
5645 rect
.right
- rect
.left
,
5646 rect
.bottom
- rect
.top
,
5647 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5651 /* The following mirrors what is done in xterm.c. It appears to be
5652 for informing lisp of the new size immediately, while the actual
5653 resize will happen asynchronously. But on Windows, the menu bar
5654 automatically wraps when the frame is too narrow to contain it,
5655 and that causes any calculations made here to come out wrong. The
5656 end is some nasty buggy behavior, including the potential loss
5659 Disabling this code is either not sufficient to fix the problems
5660 completely, or it causes fresh problems, but at least it removes
5661 the most problematic symptom of the minibuffer becoming unusable.
5663 -----------------------------------------------------------------
5665 Now, strictly speaking, we can't be sure that this is accurate,
5666 but the window manager will get around to dealing with the size
5667 change request eventually, and we'll hear how it went when the
5668 ConfigureNotify event gets here.
5670 We could just not bother storing any of this information here,
5671 and let the ConfigureNotify event set everything up, but that
5672 might be kind of confusing to the Lisp code, since size changes
5673 wouldn't be reported in the frame parameters until some random
5674 point in the future when the ConfigureNotify event arrives.
5676 We pass 1 for DELAY since we can't run Lisp code inside of
5678 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5679 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5680 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5682 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5683 receive in the ConfigureNotify event; if we get what we asked
5684 for, then the event won't cause the screen to become garbaged, so
5685 we have to make sure to do it here. */
5686 SET_FRAME_GARBAGED (f
);
5688 /* If cursor was outside the new size, mark it as off. */
5689 mark_window_cursors_off (XWINDOW (f
->root_window
));
5691 /* Clear out any recollection of where the mouse highlighting was,
5692 since it might be in a place that's outside the new frame size.
5693 Actually checking whether it is outside is a pain in the neck,
5694 so don't try--just let the highlighting be done afresh with new size. */
5695 cancel_mouse_face (f
);
5701 /* Mouse warping. */
5703 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5706 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5710 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5711 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5713 if (pix_x
< 0) pix_x
= 0;
5714 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5716 if (pix_y
< 0) pix_y
= 0;
5717 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5719 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5723 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5730 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5731 pt
.x
= rect
.left
+ pix_x
;
5732 pt
.y
= rect
.top
+ pix_y
;
5733 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5735 SetCursorPos (pt
.x
, pt
.y
);
5741 /* focus shifting, raising and lowering. */
5744 x_focus_frame (struct frame
*f
)
5746 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5748 /* Give input focus to frame. */
5751 /* Try not to change its Z-order if possible. */
5752 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5753 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5756 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5760 /* Raise frame F. */
5762 x_raise_frame (struct frame
*f
)
5766 /* Strictly speaking, raise-frame should only change the frame's Z
5767 order, leaving input focus unchanged. This is reasonable behavior
5768 on X where the usual policy is point-to-focus. However, this
5769 behavior would be very odd on Windows where the usual policy is
5772 On X, if the mouse happens to be over the raised frame, it gets
5773 input focus anyway (so the window with focus will never be
5774 completely obscured) - if not, then just moving the mouse over it
5775 is sufficient to give it focus. On Windows, the user must actually
5776 click on the frame (preferably the title bar so as not to move
5777 point), which is more awkward. Also, no other Windows program
5778 raises a window to the top but leaves another window (possibly now
5779 completely obscured) with input focus.
5781 Because there is a system setting on Windows that allows the user
5782 to choose the point to focus policy, we make the strict semantics
5783 optional, but by default we grab focus when raising. */
5785 if (NILP (Vw32_grab_focus_on_raise
))
5787 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5788 not already the foreground application: the frame is raised
5789 above all other frames belonging to us, but not above the
5790 current top window. To achieve that, we have to resort to this
5791 more cumbersome method. */
5793 HDWP handle
= BeginDeferWindowPos (2);
5796 handle
= DeferWindowPos (handle
,
5797 FRAME_W32_WINDOW (f
),
5800 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5803 handle
= DeferWindowPos (handle
,
5804 GetForegroundWindow (),
5805 FRAME_W32_WINDOW (f
),
5807 SWP_NOSIZE
| SWP_NOMOVE
|
5810 EndDeferWindowPos (handle
);
5816 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5822 /* Lower frame F. */
5824 x_lower_frame (struct frame
*f
)
5827 my_set_window_pos (FRAME_W32_WINDOW (f
),
5830 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5835 w32_frame_raise_lower (struct frame
*f
, int raise_flag
)
5837 if (! FRAME_W32_P (f
))
5846 /* Change of visibility. */
5848 /* This tries to wait until the frame is really visible.
5849 However, if the window manager asks the user where to position
5850 the frame, this will return before the user finishes doing that.
5851 The frame will not actually be visible at that time,
5852 but it will become visible later when the window manager
5853 finishes with it. */
5856 x_make_frame_visible (struct frame
*f
)
5860 x_set_bitmap_icon (f
);
5862 if (! FRAME_VISIBLE_P (f
))
5864 /* We test FRAME_GARBAGED_P here to make sure we don't
5865 call x_set_offset a second time
5866 if we get to x_make_frame_visible a second time
5867 before the window gets really visible. */
5868 if (! FRAME_ICONIFIED_P (f
)
5869 && ! f
->output_data
.w32
->asked_for_visible
)
5874 /* Adjust vertical window position in order to avoid being
5875 covered by a task bar placed at the bottom of the desktop. */
5876 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5877 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5878 if (window_rect
.bottom
> workarea_rect
.bottom
5879 && window_rect
.top
> workarea_rect
.top
)
5880 f
->top_pos
= max (window_rect
.top
5881 - window_rect
.bottom
+ workarea_rect
.bottom
,
5884 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5887 f
->output_data
.w32
->asked_for_visible
= 1;
5889 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5890 causes unexpected behavior when unminimizing frames that were
5891 previously maximized. But only SW_SHOWNORMAL works properly for
5892 frames that were truely hidden (using make-frame-invisible), so
5893 we need it to avoid Bug#5482. It seems that iconified is only
5894 set for minimized windows that are still visible, so use that to
5895 determine the appropriate flag to pass ShowWindow. */
5896 my_show_window (f
, FRAME_W32_WINDOW (f
),
5897 FRAME_ICONIFIED_P (f
) ? SW_RESTORE
: SW_SHOWNORMAL
);
5900 /* Synchronize to ensure Emacs knows the frame is visible
5901 before we do anything else. We do this loop with input not blocked
5902 so that incoming events are handled. */
5907 /* This must come after we set COUNT. */
5910 XSETFRAME (frame
, f
);
5912 /* Wait until the frame is visible. Process X events until a
5913 MapNotify event has been seen, or until we think we won't get a
5914 MapNotify at all.. */
5915 for (count
= input_signal_count
+ 10;
5916 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5918 /* Force processing of queued events. */
5919 /* TODO: x_sync equivalent? */
5921 /* Machines that do polling rather than SIGIO have been observed
5922 to go into a busy-wait here. So we'll fake an alarm signal
5923 to let the handler know that there's something to be read.
5924 We used to raise a real alarm, but it seems that the handler
5925 isn't always enabled here. This is probably a bug. */
5926 if (input_polling_used ())
5928 /* It could be confusing if a real alarm arrives while processing
5929 the fake one. Turn it off and let the handler reset it. */
5930 int old_poll_suppress_count
= poll_suppress_count
;
5931 poll_suppress_count
= 1;
5932 poll_for_input_1 ();
5933 poll_suppress_count
= old_poll_suppress_count
;
5939 /* Change from mapped state to withdrawn state. */
5941 /* Make the frame visible (mapped and not iconified). */
5944 x_make_frame_invisible (struct frame
*f
)
5946 /* Don't keep the highlight on an invisible frame. */
5947 if (FRAME_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5948 FRAME_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5952 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5954 /* We can't distinguish this from iconification
5955 just by the event that we get from the server.
5956 So we can't win using the usual strategy of letting
5957 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5958 and synchronize with the server to make sure we agree. */
5959 SET_FRAME_VISIBLE (f
, 0);
5960 SET_FRAME_ICONIFIED (f
, 0);
5965 /* Change window state from mapped to iconified. */
5968 x_iconify_frame (struct frame
*f
)
5970 /* Don't keep the highlight on an invisible frame. */
5971 if (FRAME_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5972 FRAME_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5974 if (FRAME_ICONIFIED_P (f
))
5979 x_set_bitmap_icon (f
);
5981 /* Simulate the user minimizing the frame. */
5982 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5984 SET_FRAME_VISIBLE (f
, 0);
5985 SET_FRAME_ICONIFIED (f
, 1);
5991 /* Free X resources of frame F. */
5994 x_free_frame_resources (struct frame
*f
)
5996 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
5997 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
6001 /* We must free faces before destroying windows because some
6002 font-driver (e.g. xft) access a window while finishing a
6004 if (FRAME_FACE_CACHE (f
))
6005 free_frame_faces (f
);
6007 if (FRAME_W32_WINDOW (f
))
6008 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6010 free_frame_menubar (f
);
6012 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6013 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6014 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6015 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6016 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6017 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6018 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6019 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6020 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6021 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6023 if (FRAME_FACE_CACHE (f
))
6024 free_frame_faces (f
);
6026 xfree (f
->output_data
.w32
);
6027 f
->output_data
.w32
= NULL
;
6029 if (f
== dpyinfo
->w32_focus_frame
)
6030 dpyinfo
->w32_focus_frame
= 0;
6031 if (f
== dpyinfo
->w32_focus_event_frame
)
6032 dpyinfo
->w32_focus_event_frame
= 0;
6033 if (f
== dpyinfo
->x_highlight_frame
)
6034 dpyinfo
->x_highlight_frame
= 0;
6035 if (f
== hlinfo
->mouse_face_mouse_frame
)
6036 reset_mouse_highlight (hlinfo
);
6042 /* Destroy the window of frame F. */
6044 x_destroy_window (struct frame
*f
)
6046 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
6048 x_free_frame_resources (f
);
6049 dpyinfo
->reference_count
--;
6053 /* Setting window manager hints. */
6055 /* Set the normal size hints for the window manager, for frame F.
6056 FLAGS is the flags word to use--or 0 meaning preserve the flags
6057 that the window now has.
6058 If USER_POSITION, set the USPosition
6059 flag (this is useful when FLAGS is 0). */
6061 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6063 Window window
= FRAME_W32_WINDOW (f
);
6067 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6068 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6069 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6070 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6075 /***********************************************************************
6077 ***********************************************************************/
6081 /* Check that FONT is valid on frame F. It is if it can be found in F's
6085 x_check_font (struct frame
*f
, struct font
*font
)
6087 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6088 if (font
->driver
->check
)
6089 eassert (font
->driver
->check (f
, font
) == 0);
6092 #endif /* GLYPH_DEBUG */
6096 /***********************************************************************
6098 ***********************************************************************/
6100 static int w32_initialized
= 0;
6103 w32_initialize_display_info (Lisp_Object display_name
)
6105 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6107 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6109 /* Put it on w32_display_name_list. */
6110 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6111 w32_display_name_list
);
6112 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6114 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6115 + SCHARS (Vsystem_name
) + 2);
6116 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6117 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6119 /* Default Console mode values - overridden when running in GUI mode
6120 with values obtained from system metrics. */
6123 dpyinfo
->n_planes
= 1;
6124 dpyinfo
->n_cbits
= 4;
6125 dpyinfo
->n_fonts
= 0;
6126 dpyinfo
->smallest_font_height
= 1;
6127 dpyinfo
->smallest_char_width
= 1;
6128 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6129 /* TODO: dpyinfo->gray */
6131 reset_mouse_highlight (&dpyinfo
->mouse_highlight
);
6134 /* Create an xrdb-style database of resources to supersede registry settings.
6135 The database is just a concatenation of C strings, finished by an additional
6136 \0. The strings are submitted to some basic normalization, so
6138 [ *]option[ *]:[ *]value...
6144 but any whitespace following value is not removed. */
6147 w32_make_rdb (char *xrm_option
)
6149 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6150 char *current
= buffer
;
6153 int before_value
= 0;
6167 if (in_option
&& (ch
== ':'))
6172 else if (before_value
)
6177 else if (!(in_option
|| before_value
))
6188 extern frame_parm_handler w32_frame_parm_handlers
[];
6190 static struct redisplay_interface w32_redisplay_interface
=
6192 w32_frame_parm_handlers
,
6196 x_clear_end_of_line
,
6198 x_after_update_window_line
,
6199 x_update_window_begin
,
6200 x_update_window_end
,
6201 0, /* flush_display */
6202 x_clear_window_mouse_face
,
6203 x_get_glyph_overhangs
,
6204 x_fix_overlapping_area
,
6205 w32_draw_fringe_bitmap
,
6206 w32_define_fringe_bitmap
,
6207 w32_destroy_fringe_bitmap
,
6208 w32_compute_glyph_string_overhangs
,
6209 x_draw_glyph_string
,
6210 w32_define_frame_cursor
,
6211 w32_clear_frame_area
,
6212 w32_draw_window_cursor
,
6213 w32_draw_vertical_window_border
,
6214 w32_shift_glyphs_for_insert
6217 static void x_delete_terminal (struct terminal
*term
);
6219 static struct terminal
*
6220 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6222 struct terminal
*terminal
;
6224 terminal
= create_terminal ();
6226 terminal
->type
= output_w32
;
6227 terminal
->display_info
.w32
= dpyinfo
;
6228 dpyinfo
->terminal
= terminal
;
6230 /* MSVC does not type K&R functions with no arguments correctly, and
6231 so we must explicitly cast them. */
6232 terminal
->clear_frame_hook
= x_clear_frame
;
6233 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6234 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6235 terminal
->ring_bell_hook
= w32_ring_bell
;
6236 terminal
->reset_terminal_modes_hook
= NULL
;
6237 terminal
->set_terminal_modes_hook
= NULL
;
6238 terminal
->update_begin_hook
= x_update_begin
;
6239 terminal
->update_end_hook
= x_update_end
;
6240 terminal
->set_terminal_window_hook
= NULL
;
6241 terminal
->read_socket_hook
= w32_read_socket
;
6242 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6243 terminal
->mouse_position_hook
= w32_mouse_position
;
6244 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6245 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6246 terminal
->fullscreen_hook
= w32fullscreen_hook
;
6247 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6248 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6249 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6250 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6252 terminal
->delete_frame_hook
= x_destroy_window
;
6253 terminal
->delete_terminal_hook
= x_delete_terminal
;
6255 terminal
->rif
= &w32_redisplay_interface
;
6256 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6257 terminal
->char_ins_del_ok
= 1;
6258 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6259 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6260 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6263 /* We don't yet support separate terminals on W32, so don't try to share
6264 keyboards between virtual terminals that are on the same physical
6265 terminal like X does. */
6266 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6267 init_kboard (terminal
->kboard
);
6268 kset_window_system (terminal
->kboard
, Qw32
);
6269 terminal
->kboard
->next_kboard
= all_kboards
;
6270 all_kboards
= terminal
->kboard
;
6271 /* Don't let the initial kboard remain current longer than necessary.
6272 That would cause problems if a file loaded on startup tries to
6273 prompt in the mini-buffer. */
6274 if (current_kboard
== initial_kboard
)
6275 current_kboard
= terminal
->kboard
;
6276 terminal
->kboard
->reference_count
++;
6282 x_delete_terminal (struct terminal
*terminal
)
6284 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6286 /* Protect against recursive calls. delete_frame in
6287 delete_terminal calls us back when it deletes our last frame. */
6288 if (!terminal
->name
)
6293 x_delete_display (dpyinfo
);
6297 struct w32_display_info
*
6298 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6300 struct w32_display_info
*dpyinfo
;
6301 struct terminal
*terminal
;
6306 if (!w32_initialized
)
6309 w32_initialized
= 1;
6312 w32_initialize_display_info (display_name
);
6314 dpyinfo
= &one_w32_display_info
;
6315 terminal
= w32_create_terminal (dpyinfo
);
6317 /* Set the name of the terminal. */
6318 terminal
->name
= xlispstrdup (display_name
);
6320 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6322 /* Put this display on the chain. */
6323 dpyinfo
->next
= x_display_list
;
6324 x_display_list
= dpyinfo
;
6328 dpyinfo
->root_window
= GetDesktopWindow ();
6329 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6330 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6331 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6332 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6333 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6334 ReleaseDC (NULL
, hdc
);
6336 /* initialize palette with white and black */
6339 w32_defined_color (0, "white", &color
, 1);
6340 w32_defined_color (0, "black", &color
, 1);
6344 /* Add the default keyboard. When !WINDOWSNT, we're using the
6345 standard Emacs console handling machinery and don't need an
6346 explicit FD here. */
6347 add_keyboard_wait_descriptor (0);
6349 /* /dev/windows wakes us up when we have a thread message pending. */
6350 add_keyboard_wait_descriptor (w32_message_fd
);
6353 /* Create Fringe Bitmaps and store them for later use.
6355 On W32, bitmaps are all unsigned short, as Windows requires
6356 bitmap data to be Word aligned. For some reason they are
6357 horizontally reflected compared to how they appear on X, so we
6358 need to bitswap and convert to unsigned shorts before creating
6360 w32_init_fringe (terminal
->rif
);
6367 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6369 x_delete_display (struct w32_display_info
*dpyinfo
)
6371 /* Discard this display from w32_display_name_list and w32_display_list.
6372 We can't use Fdelq because that can quit. */
6373 if (! NILP (w32_display_name_list
)
6374 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6375 w32_display_name_list
= XCDR (w32_display_name_list
);
6380 tail
= w32_display_name_list
;
6381 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6383 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6385 XSETCDR (tail
, XCDR (XCDR (tail
)));
6392 /* free palette table */
6394 struct w32_palette_entry
* plist
;
6396 plist
= dpyinfo
->color_list
;
6399 struct w32_palette_entry
* pentry
= plist
;
6400 plist
= plist
->next
;
6403 dpyinfo
->color_list
= NULL
;
6404 if (dpyinfo
->palette
)
6405 DeleteObject (dpyinfo
->palette
);
6407 xfree (dpyinfo
->w32_id_name
);
6409 w32_reset_fringes ();
6413 /* Set up use of W32. */
6415 DWORD WINAPI
w32_msg_worker (void * arg
);
6418 w32_initialize (void)
6421 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6425 w32_system_caret_hwnd
= NULL
;
6426 w32_system_caret_height
= 0;
6427 w32_system_caret_x
= 0;
6428 w32_system_caret_y
= 0;
6430 /* On Windows 7 and later, we need to set the user model ID
6431 to associate emacsclient launched files with Emacs frames
6433 shell
= GetModuleHandle ("shell32.dll");
6437 = (void *) GetProcAddress (shell
,
6438 "SetCurrentProcessExplicitAppUserModelID");
6440 /* If the function is defined, then we are running on Windows 7
6441 or newer, and the UI uses this to group related windows
6442 together. Since emacs, runemacs, emacsclient are related, we
6443 want them grouped even though the executables are different,
6444 so we need to set a consistent ID between them. */
6446 set_user_model (L
"GNU.Emacs");
6450 if ((w32_message_fd
= emacs_open ("/dev/windows", O_RDWR
, 0)) == -1)
6451 fatal ("opening /dev/windows: %s", strerror (errno
));
6454 /* Initialize w32_use_visible_system_caret based on whether a screen
6455 reader is in use. */
6456 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6457 &w32_use_visible_system_caret
, 0))
6458 w32_use_visible_system_caret
= 0;
6460 last_tool_bar_item
= -1;
6461 any_help_event_p
= 0;
6463 /* Initialize input mode: interrupt_input off, no flow control, allow
6464 8 bit character input, standard quit char. */
6465 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6468 DWORD input_locale_id
= ((DWORD_PTR
) GetKeyboardLayout (0) & 0xffffffff);
6469 w32_keyboard_codepage
=
6470 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6473 /* Create the window thread - it will terminate itself when the app
6477 dwMainThreadId
= GetCurrentThreadId ();
6478 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6479 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6481 /* Wait for thread to start */
6485 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6487 hWindowsThread
= CreateThread (NULL
, 0,
6489 0, 0, &dwWindowsThreadId
);
6491 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6494 /* It is desirable that mainThread should have the same notion of
6495 focus window and active window as windowsThread. Unfortunately, the
6496 following call to AttachThreadInput, which should do precisely what
6497 we need, causes major problems when Emacs is linked as a console
6498 program. Unfortunately, we have good reasons for doing that, so
6499 instead we need to send messages to windowsThread to make some API
6500 calls for us (ones that affect, or depend on, the active/focus
6502 #ifdef ATTACH_THREADS
6503 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6506 /* Dynamically link to optional system components. */
6508 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6510 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6512 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6516 /* Ensure scrollbar handle is at least 5 pixels. */
6517 vertical_scroll_bar_min_handle
= 5;
6519 /* For either kind of scroll bar, take account of the arrows; these
6520 effectively form the border of the main scroll bar range. */
6521 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6522 = GetSystemMetrics (SM_CYVSCROLL
);
6527 syms_of_w32term (void)
6529 staticpro (&w32_display_name_list
);
6530 w32_display_name_list
= Qnil
;
6532 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6534 DEFSYM (Qadded
, "added");
6535 DEFSYM (Qremoved
, "removed");
6536 DEFSYM (Qmodified
, "modified");
6537 DEFSYM (Qrenamed_from
, "renamed-from");
6538 DEFSYM (Qrenamed_to
, "renamed-to");
6540 DEFVAR_INT ("w32-num-mouse-buttons",
6541 w32_num_mouse_buttons
,
6542 doc
: /* Number of physical mouse buttons. */);
6543 w32_num_mouse_buttons
= 2;
6545 DEFVAR_LISP ("w32-swap-mouse-buttons",
6546 Vw32_swap_mouse_buttons
,
6547 doc
: /* Swap the mapping of middle and right mouse buttons.
6548 When nil, middle button is mouse-2 and right button is mouse-3. */);
6549 Vw32_swap_mouse_buttons
= Qnil
;
6551 DEFVAR_LISP ("w32-grab-focus-on-raise",
6552 Vw32_grab_focus_on_raise
,
6553 doc
: /* Raised frame grabs input focus.
6554 When t, `raise-frame' grabs input focus as well. This fits well
6555 with the normal Windows click-to-focus policy, but might not be
6556 desirable when using a point-to-focus policy. */);
6557 Vw32_grab_focus_on_raise
= Qt
;
6559 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6560 Vw32_capslock_is_shiftlock
,
6561 doc
: /* Apply CapsLock state to non character input keys.
6562 When nil, CapsLock only affects normal character input keys. */);
6563 Vw32_capslock_is_shiftlock
= Qnil
;
6565 DEFVAR_LISP ("w32-recognize-altgr",
6566 Vw32_recognize_altgr
,
6567 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6568 When nil, the right-alt and left-ctrl key combination is
6569 interpreted normally. */);
6570 Vw32_recognize_altgr
= Qt
;
6572 DEFVAR_BOOL ("w32-use-visible-system-caret",
6573 w32_use_visible_system_caret
,
6574 doc
: /* Flag to make the system caret visible.
6575 When this is non-nil, Emacs will indicate the position of point by
6576 using the system caret instead of drawing its own cursor. Some screen
6577 reader software does not track the system cursor properly when it is
6578 invisible, and gets confused by Emacs drawing its own cursor, so this
6579 variable is initialized to t when Emacs detects that screen reader
6580 software is running as it starts up.
6582 When this variable is set, other variables affecting the appearance of
6583 the cursor have no effect. */);
6585 w32_use_visible_system_caret
= 0;
6587 /* We don't yet support this, but defining this here avoids whining
6588 from cus-start.el and other places, like "M-x set-variable". */
6589 DEFVAR_BOOL ("x-use-underline-position-properties",
6590 x_use_underline_position_properties
,
6591 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6592 A value of nil means ignore them. If you encounter fonts with bogus
6593 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6594 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6595 to override the font's UNDERLINE_POSITION for small font display
6597 x_use_underline_position_properties
= 0;
6599 DEFVAR_BOOL ("x-underline-at-descent-line",
6600 x_underline_at_descent_line
,
6601 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6602 A value of nil means to draw the underline according to the value of the
6603 variable `x-use-underline-position-properties', which is usually at the
6604 baseline level. The default value is nil. */);
6605 x_underline_at_descent_line
= 0;
6607 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6608 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6609 A value of nil means Emacs doesn't use toolkit scroll bars.
6610 With the X Window system, the value is a symbol describing the
6611 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6612 With MS Windows or Nextstep, the value is t. */);
6613 Vx_toolkit_scroll_bars
= Qt
;
6615 /* Tell Emacs about this window system. */
6616 Fprovide (Qw32
, Qnil
);