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 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
88 static Lisp_Object last_window
;
90 extern unsigned int msh_mousewheel
;
92 extern void free_frame_menubar (struct frame
*);
94 extern int w32_codepage_for_font (char *fontname
);
95 extern Cursor
w32_load_cursor (LPCTSTR name
);
97 #define x_any_window_to_frame x_window_to_frame
98 #define x_top_window_to_frame x_window_to_frame
101 /* This is display since w32 does not support multiple ones. */
102 struct w32_display_info one_w32_display_info
;
103 struct w32_display_info
*x_display_list
;
105 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
106 one for each element of w32_display_list and in the same order.
107 NAME is the name of the frame.
108 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
109 Lisp_Object w32_display_name_list
;
112 #if _WIN32_WINNT < 0x0500
113 /* Pre Windows 2000, this was not available, but define it here so
114 that Emacs compiled on such a platform will run on newer versions. */
116 typedef struct tagWCRANGE
122 typedef struct tagGLYPHSET
126 DWORD cGlyphsSupported
;
131 #endif /* compiling for pre-Win2k */
133 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
134 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
137 #define LWA_ALPHA 0x02
139 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
140 later targets by MSVC headers. */
141 #ifndef WS_EX_LAYERED
142 #define WS_EX_LAYERED 0x80000
145 /* This is a frame waiting to be autoraised, within w32_read_socket. */
146 struct frame
*pending_autoraise_frame
;
148 /* The handle of the frame that currently owns the system caret. */
149 HWND w32_system_caret_hwnd
;
150 int w32_system_caret_height
;
151 int w32_system_caret_x
;
152 int w32_system_caret_y
;
153 DWORD dwWindowsThreadId
= 0;
154 HANDLE hWindowsThread
= NULL
;
155 DWORD dwMainThreadId
= 0;
156 HANDLE hMainThread
= NULL
;
158 int vertical_scroll_bar_min_handle
;
159 int vertical_scroll_bar_top_border
;
160 int vertical_scroll_bar_bottom_border
;
162 int last_scroll_bar_drag_pos
;
164 /* Keyboard code page - may be changed by language-change events. */
165 int w32_keyboard_codepage
;
167 /* Mouse movement. */
169 /* Where the mouse was last time we reported a mouse event. */
170 static RECT last_mouse_glyph
;
171 static FRAME_PTR last_mouse_glyph_frame
;
173 /* The scroll bar in which the last motion event occurred.
175 If the last motion event occurred in a scroll bar, we set this
176 so w32_mouse_position can know whether to report a scroll bar motion or
179 If the last motion event didn't occur in a scroll bar, we set this
180 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
181 static Lisp_Object last_mouse_scroll_bar
;
182 static int last_mouse_scroll_bar_pos
;
184 /* This is a hack. We would really prefer that w32_mouse_position would
185 return the time associated with the position it returns, but there
186 doesn't seem to be any way to wrest the time-stamp from the server
187 along with the position query. So, we just keep track of the time
188 of the last movement we received, and return that in hopes that
189 it's somewhat accurate. */
190 static Time last_mouse_movement_time
;
192 /* Incremented by w32_read_socket whenever it really tries to read
195 static int volatile input_signal_count
;
197 static int input_signal_count
;
201 int w32_message_fd
= -1;
204 static void x_update_window_end (struct window
*, int, int);
205 static void w32_handle_tool_bar_click (struct frame
*,
206 struct input_event
*);
207 static void w32_define_cursor (Window
, Cursor
);
209 void x_lower_frame (struct frame
*);
210 void x_scroll_bar_clear (struct frame
*);
211 void x_wm_set_size_hint (struct frame
*, long, bool);
212 void x_raise_frame (struct frame
*);
213 void x_set_window_size (struct frame
*, int, int, int);
214 void x_wm_set_window_state (struct frame
*, int);
215 void x_wm_set_icon_pixmap (struct frame
*, int);
216 static void w32_initialize (void);
217 static void x_update_end (struct frame
*);
218 static void w32_frame_up_to_date (struct frame
*);
219 static void w32_set_terminal_modes (struct terminal
*);
220 static void w32_reset_terminal_modes (struct terminal
*);
221 static void x_clear_frame (struct frame
*);
222 static void frame_highlight (struct frame
*);
223 static void frame_unhighlight (struct frame
*);
224 static void x_new_focus_frame (struct w32_display_info
*,
226 static void x_focus_changed (int, int, struct w32_display_info
*,
227 struct frame
*, struct input_event
*);
228 static void w32_detect_focus_change (struct w32_display_info
*,
229 W32Msg
*, struct input_event
*);
230 static void w32_frame_rehighlight (struct frame
*);
231 static void x_frame_rehighlight (struct w32_display_info
*);
232 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
233 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
234 enum text_cursor_kinds
);
235 static void w32_clip_to_row (struct window
*, struct glyph_row
*, int, HDC
);
236 static BOOL
my_show_window (struct frame
*, HWND
, int);
237 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
239 static void my_set_focus (struct frame
*, HWND
);
241 static void my_set_foreground_window (HWND
);
242 static void my_destroy_window (struct frame
*, HWND
);
245 static void x_check_font (struct frame
*, struct font
*);
248 static Lisp_Object Qvendor_specific_keysyms
;
251 /***********************************************************************
253 ***********************************************************************/
257 /* This is a function useful for recording debugging information about
258 the sequence of occurrences in this file. */
266 struct record event_record
[100];
268 int event_record_index
;
270 record_event (char *locus
, int type
)
272 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
273 event_record_index
= 0;
275 event_record
[event_record_index
].locus
= locus
;
276 event_record
[event_record_index
].type
= type
;
277 event_record_index
++;
284 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
287 if (mask
& GCForeground
)
288 gc
->foreground
= xgcv
->foreground
;
289 if (mask
& GCBackground
)
290 gc
->background
= xgcv
->background
;
292 gc
->font
= xgcv
->font
;
296 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
298 XGCValues
*gc
= xzalloc (sizeof (XGCValues
));
300 XChangeGC (ignore
, gc
, mask
, xgcv
);
306 XGetGCValues (void *ignore
, XGCValues
*gc
,
307 unsigned long mask
, XGCValues
*xgcv
)
309 XChangeGC (ignore
, xgcv
, mask
, gc
);
313 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
317 HRGN clip_region
= CreateRectRgnIndirect (rect
);
318 SelectClipRgn (hdc
, clip_region
);
319 DeleteObject (clip_region
);
322 SelectClipRgn (hdc
, NULL
);
325 /* Restore clipping rectangle in S */
327 w32_restore_glyph_string_clip (struct glyph_string
*s
)
330 int n
= s
->num_clips
;
333 w32_set_clip_rectangle (s
->hdc
, r
);
336 HRGN clip1
= CreateRectRgnIndirect (r
);
337 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
338 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
339 SelectClipRgn (s
->hdc
, clip1
);
340 DeleteObject (clip1
);
341 DeleteObject (clip2
);
346 Draw a wavy line under S. The wave fills wave_height pixels from y0.
352 wave_height = 3 | * * * *
357 w32_draw_underwave (struct glyph_string
*s
, COLORREF color
)
359 int wave_height
= 3, wave_length
= 2;
360 int dx
, dy
, x0
, y0
, width
, x1
, y1
, x2
, y2
, odd
, xmax
;
361 XRectangle wave_clip
, string_clip
, final_clip
;
362 RECT w32_final_clip
, w32_string_clip
;
366 dy
= wave_height
- 1;
368 y0
= s
->ybase
- wave_height
+ 3;
372 /* Find and set clipping rectangle */
376 wave_clip
.width
= width
;
377 wave_clip
.height
= wave_height
;
379 get_glyph_string_clip_rect (s
, &w32_string_clip
);
380 CONVERT_TO_XRECT (string_clip
, w32_string_clip
);
382 if (!x_intersect_rectangles (&wave_clip
, &string_clip
, &final_clip
))
385 hp
= CreatePen (PS_SOLID
, 0, color
);
386 oldhp
= SelectObject (s
->hdc
, hp
);
387 CONVERT_FROM_XRECT (final_clip
, w32_final_clip
);
388 w32_set_clip_rectangle (s
->hdc
, &w32_final_clip
);
402 MoveToEx (s
->hdc
, x1
, y1
, NULL
);
406 LineTo (s
->hdc
, x2
, y2
);
408 x2
+= dx
, y2
= y0
+ odd
*dy
;
412 /* Restore previous pen and clipping rectangle(s) */
413 w32_restore_glyph_string_clip (s
);
414 SelectObject (s
->hdc
, oldhp
);
418 /* Draw a hollow rectangle at the specified position. */
420 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
421 int width
, int height
)
426 hb
= CreateSolidBrush (gc
->background
);
427 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
428 oldhb
= SelectObject (hdc
, hb
);
429 oldhp
= SelectObject (hdc
, hp
);
431 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
433 SelectObject (hdc
, oldhb
);
434 SelectObject (hdc
, oldhp
);
439 /* Draw a filled rectangle at the specified position. */
441 w32_fill_rect (FRAME_PTR f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
445 hb
= CreateSolidBrush (pix
);
446 FillRect (hdc
, lprect
, hb
);
451 w32_clear_window (FRAME_PTR f
)
454 HDC hdc
= get_frame_dc (f
);
456 /* Under certain conditions, this can be called at startup with
457 a console frame pointer before the GUI frame is created. An HDC
458 of 0 indicates this. */
461 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
462 w32_clear_rect (f
, hdc
, &rect
);
465 release_frame_dc (f
, hdc
);
468 #define OPAQUE_FRAME 255
471 x_set_frame_alpha (struct frame
*f
)
473 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
475 double alpha_min
= 1.0;
478 HWND window
= FRAME_W32_WINDOW (f
);
480 /* Older versions of Windows do not support transparency. */
481 if (!pfnSetLayeredWindowAttributes
)
484 if (dpyinfo
->x_highlight_frame
== f
)
489 if (FLOATP (Vframe_alpha_lower_limit
))
490 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
491 else if (INTEGERP (Vframe_alpha_lower_limit
))
492 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
496 else if (alpha
> 1.0)
498 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
501 opac
= alpha
* OPAQUE_FRAME
;
503 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
505 if (opac
== OPAQUE_FRAME
)
506 ex_style
&= ~WS_EX_LAYERED
;
508 ex_style
|= WS_EX_LAYERED
;
510 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
512 if (opac
!= OPAQUE_FRAME
)
513 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
517 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
519 HDC dc
= GetDC (NULL
);
520 int pixels
= GetDeviceCaps (dc
, VERTRES
);
521 ReleaseDC (NULL
, dc
);
526 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
528 HDC dc
= GetDC (NULL
);
529 int pixels
= GetDeviceCaps (dc
, HORZRES
);
530 ReleaseDC (NULL
, dc
);
535 /***********************************************************************
536 Starting and ending an update
537 ***********************************************************************/
539 /* Start an update of frame F. This function is installed as a hook
540 for update_begin, i.e. it is called when update_begin is called.
541 This function is called prior to calls to x_update_window_begin for
542 each window being updated. */
545 x_update_begin (struct frame
*f
)
547 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
549 if (! FRAME_W32_P (f
))
552 /* Regenerate display palette before drawing if list of requested
553 colors has changed. */
554 if (display_info
->regen_palette
)
556 w32_regenerate_palette (f
);
557 display_info
->regen_palette
= FALSE
;
562 /* Start update of window W. Set the global variable updated_window
563 to the window being updated and set output_cursor to the cursor
567 x_update_window_begin (struct window
*w
)
569 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
570 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
572 /* Hide the system caret during an update. */
573 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
575 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
579 set_output_cursor (&w
->cursor
);
583 if (f
== hlinfo
->mouse_face_mouse_frame
)
585 /* Don't do highlighting for mouse motion during the update. */
586 hlinfo
->mouse_face_defer
= 1;
588 /* If F needs to be redrawn, simply forget about any prior mouse
590 if (FRAME_GARBAGED_P (f
))
591 hlinfo
->mouse_face_window
= Qnil
;
593 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
594 their mouse_face_p flag set, which means that they are always
595 unequal to rows in a desired matrix which never have that
596 flag set. So, rows containing mouse-face glyphs are never
597 scrolled, and we don't have to switch the mouse highlight off
598 here to prevent it from being scrolled. */
600 /* Can we tell that this update does not affect the window
601 where the mouse highlight is? If so, no need to turn off.
602 Likewise, don't do anything if the frame is garbaged;
603 in that case, the frame's current matrix that we would use
604 is all wrong, and we will redisplay that line anyway. */
605 if (!NILP (hlinfo
->mouse_face_window
)
606 && w
== XWINDOW (hlinfo
->mouse_face_window
))
610 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
611 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
614 if (i
< w
->desired_matrix
->nrows
)
615 clear_mouse_face (hlinfo
);
623 /* Draw a vertical window border from (x,y0) to (x,y1) */
626 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
628 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
638 hdc
= get_frame_dc (f
);
639 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
641 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
643 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
645 release_frame_dc (f
, hdc
);
649 /* End update of window W (which is equal to updated_window).
651 Draw vertical borders between horizontally adjacent windows, and
652 display W's cursor if CURSOR_ON_P is non-zero.
654 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
655 glyphs in mouse-face were overwritten. In that case we have to
656 make sure that the mouse-highlight is properly redrawn.
658 W may be a menu bar pseudo-window in case we don't have X toolkit
659 support. Such windows don't have a cursor, so don't display it
663 x_update_window_end (struct window
*w
, int cursor_on_p
,
664 int mouse_face_overwritten_p
)
666 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (XFRAME (w
->frame
));
668 if (!w
->pseudo_window_p
)
673 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
675 output_cursor
.x
, output_cursor
.y
);
677 if (draw_window_fringes (w
, 1))
678 x_draw_vertical_border (w
);
683 /* If a row with mouse-face was overwritten, arrange for
684 XTframe_up_to_date to redisplay the mouse highlight. */
685 if (mouse_face_overwritten_p
)
687 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
688 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
689 hlinfo
->mouse_face_window
= Qnil
;
692 /* Unhide the caret. This won't actually show the cursor, unless it
693 was visible before the corresponding call to HideCaret in
694 x_update_window_begin. */
695 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
697 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
700 updated_window
= NULL
;
704 /* End update of frame F. This function is installed as a hook in
708 x_update_end (struct frame
*f
)
710 if (! FRAME_W32_P (f
))
713 /* Mouse highlight may be displayed again. */
714 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
718 /* This function is called from various places in xdisp.c whenever a
719 complete update has been performed. The global variable
720 updated_window is not available here. */
723 w32_frame_up_to_date (struct frame
*f
)
727 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
729 if (hlinfo
->mouse_face_deferred_gc
730 || f
== hlinfo
->mouse_face_mouse_frame
)
733 if (hlinfo
->mouse_face_mouse_frame
)
734 note_mouse_highlight (hlinfo
->mouse_face_mouse_frame
,
735 hlinfo
->mouse_face_mouse_x
,
736 hlinfo
->mouse_face_mouse_y
);
737 hlinfo
->mouse_face_deferred_gc
= 0;
744 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
745 arrow bitmaps, or clear the fringes if no bitmaps are required
746 before DESIRED_ROW is made current. The window being updated is
747 found in updated_window. This function is called from
748 update_window_line only if it is known that there are differences
749 between bitmaps to be drawn between current row and DESIRED_ROW. */
752 x_after_update_window_line (struct glyph_row
*desired_row
)
754 struct window
*w
= updated_window
;
760 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
761 desired_row
->redraw_fringe_bitmaps_p
= 1;
763 /* When a window has disappeared, make sure that no rest of
764 full-width rows stays visible in the internal border. Could
765 check here if updated_window is the leftmost/rightmost window,
766 but I guess it's not worth doing since vertically split windows
767 are almost never used, internal border is rarely set, and the
768 overhead is very small. */
769 if (windows_or_buffers_changed
770 && desired_row
->full_width_p
771 && (f
= XFRAME (w
->frame
),
772 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
774 && (height
= desired_row
->visible_height
,
777 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
781 HDC hdc
= get_frame_dc (f
);
782 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
783 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
785 release_frame_dc (f
, hdc
);
792 /* Draw the bitmap WHICH in one of the left or right fringes of
793 window W. ROW is the glyph row for which to display the bitmap; it
794 determines the vertical position at which the bitmap has to be
798 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
799 struct draw_fringe_bitmap_params
*p
)
801 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
803 struct face
*face
= p
->face
;
805 hdc
= get_frame_dc (f
);
809 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
811 /* If the fringe is adjacent to the left (right) scroll bar of a
812 leftmost (rightmost, respectively) window, then extend its
813 background to the gap between the fringe and the bar. */
814 if ((WINDOW_LEFTMOST_P (w
)
815 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
816 || (WINDOW_RIGHTMOST_P (w
)
817 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
819 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
823 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
824 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
825 * FRAME_COLUMN_WIDTH (f
));
829 /* Bitmap fills the fringe. */
830 if (bar_area_x
+ bar_area_width
== p
->x
)
831 bx
= bar_area_x
+ sb_width
;
832 else if (p
->x
+ p
->wd
== bar_area_x
)
836 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
838 nx
= bar_area_width
- sb_width
;
839 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
841 ny
= row
->visible_height
;
846 if (bar_area_x
+ bar_area_width
== bx
)
848 bx
= bar_area_x
+ sb_width
;
849 nx
+= bar_area_width
- sb_width
;
851 else if (bx
+ nx
== bar_area_x
)
852 nx
+= bar_area_width
- sb_width
;
857 if (bx
>= 0 && nx
> 0)
858 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
861 /* Must clip because of partially visible lines. */
862 w32_clip_to_row (w
, row
, -1, hdc
);
864 if (p
->which
&& p
->which
< max_fringe_bmp
)
866 HBITMAP pixmap
= fringe_bmp
[p
->which
];
870 compat_hdc
= CreateCompatibleDC (hdc
);
874 horig_obj
= SelectObject (compat_hdc
, pixmap
);
876 /* Paint overlays transparently. */
879 HBRUSH h_brush
, h_orig_brush
;
881 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
882 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
883 h_brush
= CreateSolidBrush (face
->foreground
);
884 h_orig_brush
= SelectObject (hdc
, h_brush
);
886 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
887 compat_hdc
, 0, p
->dh
,
889 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
890 compat_hdc
, 0, p
->dh
,
892 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
893 compat_hdc
, 0, p
->dh
,
896 SelectObject (hdc
, h_orig_brush
);
897 DeleteObject (h_brush
);
901 SetTextColor (hdc
, face
->background
);
902 SetBkColor (hdc
, (p
->cursor_p
903 ? f
->output_data
.w32
->cursor_pixel
904 : face
->foreground
));
906 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
907 compat_hdc
, 0, p
->dh
,
911 SelectObject (compat_hdc
, horig_obj
);
912 DeleteDC (compat_hdc
);
916 w32_set_clip_rectangle (hdc
, NULL
);
918 release_frame_dc (f
, hdc
);
922 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
924 if (which
>= max_fringe_bmp
)
926 int i
= max_fringe_bmp
;
927 max_fringe_bmp
= which
+ 20;
928 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
929 while (i
< max_fringe_bmp
)
933 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
937 w32_destroy_fringe_bitmap (int which
)
939 if (which
>= max_fringe_bmp
)
942 if (fringe_bmp
[which
])
943 DeleteObject (fringe_bmp
[which
]);
944 fringe_bmp
[which
] = 0;
949 /* This is called when starting Emacs and when restarting after
950 suspend. When starting Emacs, no window is mapped. And nothing
951 must be done to Emacs's own window if it is suspended (though that
955 w32_set_terminal_modes (struct terminal
*term
)
959 /* This is called when exiting or suspending Emacs. Exiting will make
960 the W32 windows go away, and suspending requires no action. */
963 w32_reset_terminal_modes (struct terminal
*term
)
969 /***********************************************************************
971 ***********************************************************************/
973 /* Function prototypes of this page. */
975 static void x_set_glyph_string_clipping (struct glyph_string
*);
976 static void x_set_glyph_string_gc (struct glyph_string
*);
977 static void x_draw_glyph_string_background (struct glyph_string
*,
979 static void x_draw_glyph_string_foreground (struct glyph_string
*);
980 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
981 static void x_draw_glyph_string_box (struct glyph_string
*);
982 static void x_draw_glyph_string (struct glyph_string
*);
983 static void x_set_cursor_gc (struct glyph_string
*);
984 static void x_set_mode_line_face_gc (struct glyph_string
*);
985 static void x_set_mouse_face_gc (struct glyph_string
*);
986 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
987 static void w32_setup_relief_color (struct frame
*, struct relief
*,
988 double, int, COLORREF
);
989 static void x_setup_relief_colors (struct glyph_string
*);
990 static void x_draw_image_glyph_string (struct glyph_string
*);
991 static void x_draw_image_relief (struct glyph_string
*);
992 static void x_draw_image_foreground (struct glyph_string
*);
993 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
994 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
996 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
997 int, int, int, int, int, int,
999 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
1000 int, int, int, RECT
*);
1003 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1007 x_set_cursor_gc (struct glyph_string
*s
)
1009 if (s
->font
== FRAME_FONT (s
->f
)
1010 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1011 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1013 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1016 /* Cursor on non-default face: must merge. */
1020 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1021 xgcv
.foreground
= s
->face
->background
;
1023 /* If the glyph would be invisible, try a different foreground. */
1024 if (xgcv
.foreground
== xgcv
.background
)
1025 xgcv
.foreground
= s
->face
->foreground
;
1026 if (xgcv
.foreground
== xgcv
.background
)
1027 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1028 if (xgcv
.foreground
== xgcv
.background
)
1029 xgcv
.foreground
= s
->face
->foreground
;
1031 /* Make sure the cursor is distinct from text in this face. */
1032 if (xgcv
.background
== s
->face
->background
1033 && xgcv
.foreground
== s
->face
->foreground
)
1035 xgcv
.background
= s
->face
->foreground
;
1036 xgcv
.foreground
= s
->face
->background
;
1039 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1040 xgcv
.font
= s
->font
;
1041 mask
= GCForeground
| GCBackground
| GCFont
;
1043 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1044 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1047 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1048 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1050 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1055 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1058 x_set_mouse_face_gc (struct glyph_string
*s
)
1063 /* What face has to be used last for the mouse face? */
1064 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
1065 face
= FACE_FROM_ID (s
->f
, face_id
);
1067 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1069 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1070 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1072 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1073 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1074 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1076 /* If font in this face is same as S->font, use it. */
1077 if (s
->font
== s
->face
->font
)
1078 s
->gc
= s
->face
->gc
;
1081 /* Otherwise construct scratch_cursor_gc with values from FACE
1086 xgcv
.background
= s
->face
->background
;
1087 xgcv
.foreground
= s
->face
->foreground
;
1088 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1089 xgcv
.font
= s
->font
;
1090 mask
= GCForeground
| GCBackground
| GCFont
;
1092 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1093 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1096 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1097 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1099 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1102 eassert (s
->gc
!= 0);
1106 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1107 Faces to use in the mode line have already been computed when the
1108 matrix was built, so there isn't much to do, here. */
1111 x_set_mode_line_face_gc (struct glyph_string
*s
)
1113 s
->gc
= s
->face
->gc
;
1117 /* Set S->gc of glyph string S for drawing that glyph string. Set
1118 S->stippled_p to a non-zero value if the face of S has a stipple
1122 x_set_glyph_string_gc (struct glyph_string
*s
)
1124 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1126 if (s
->hl
== DRAW_NORMAL_TEXT
)
1128 s
->gc
= s
->face
->gc
;
1129 s
->stippled_p
= s
->face
->stipple
!= 0;
1131 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1133 x_set_mode_line_face_gc (s
);
1134 s
->stippled_p
= s
->face
->stipple
!= 0;
1136 else if (s
->hl
== DRAW_CURSOR
)
1138 x_set_cursor_gc (s
);
1141 else if (s
->hl
== DRAW_MOUSE_FACE
)
1143 x_set_mouse_face_gc (s
);
1144 s
->stippled_p
= s
->face
->stipple
!= 0;
1146 else if (s
->hl
== DRAW_IMAGE_RAISED
1147 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1149 s
->gc
= s
->face
->gc
;
1150 s
->stippled_p
= s
->face
->stipple
!= 0;
1154 s
->gc
= s
->face
->gc
;
1155 s
->stippled_p
= s
->face
->stipple
!= 0;
1158 /* GC must have been set. */
1159 eassert (s
->gc
!= 0);
1163 /* Set clipping for output of glyph string S. S may be part of a mode
1164 line or menu if we don't have X toolkit support. */
1167 x_set_glyph_string_clipping (struct glyph_string
*s
)
1170 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1173 w32_set_clip_rectangle (s
->hdc
, r
);
1176 HRGN clip1
= CreateRectRgnIndirect (r
);
1177 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1178 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1179 SelectClipRgn (s
->hdc
, clip1
);
1180 DeleteObject (clip1
);
1181 DeleteObject (clip2
);
1186 /* Set SRC's clipping for output of glyph string DST. This is called
1187 when we are drawing DST's left_overhang or right_overhang only in
1191 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1192 struct glyph_string
*dst
)
1197 r
.right
= r
.left
+ src
->width
;
1199 r
.bottom
= r
.top
+ src
->height
;
1202 w32_set_clip_rectangle (dst
->hdc
, &r
);
1206 Compute left and right overhang of glyph string S. */
1209 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1212 && s
->first_glyph
->type
== CHAR_GLYPH
1213 && !s
->font_not_found_p
)
1215 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1216 struct font
*font
= s
->font
;
1217 struct font_metrics metrics
;
1220 for (i
= 0; i
< s
->nchars
; i
++)
1221 code
[i
] = s
->char2b
[i
];
1222 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1223 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1224 ? metrics
.rbearing
- metrics
.width
: 0);
1225 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1229 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1230 s
->left_overhang
= -s
->cmp
->lbearing
;
1234 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1237 x_clear_glyph_string_rect (struct glyph_string
*s
,
1238 int x
, int y
, int w
, int h
)
1245 /* Take clipping into account. */
1246 if (s
->gc
->clip_mask
== Rect
)
1248 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1249 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1250 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1251 - s
->gc
->clip_rectangle
.left
);
1252 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1253 - s
->gc
->clip_rectangle
.top
);
1256 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1261 /* Draw the background of glyph_string S. If S->background_filled_p
1262 is non-zero don't draw it. FORCE_P non-zero means draw the
1263 background even if it wouldn't be drawn normally. This is used
1264 when a string preceding S draws into the background of S, or S
1265 contains the first component of a composition. */
1268 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1270 /* Nothing to do if background has already been drawn or if it
1271 shouldn't be drawn in the first place. */
1272 if (!s
->background_filled_p
)
1274 int box_line_width
= max (s
->face
->box_line_width
, 0);
1276 #if 0 /* TODO: stipple */
1279 /* Fill background with a stipple pattern. */
1280 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1281 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1282 s
->y
+ box_line_width
,
1283 s
->background_width
,
1284 s
->height
- 2 * box_line_width
);
1285 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1286 s
->background_filled_p
= 1;
1290 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1291 || s
->font_not_found_p
1292 || s
->extends_to_end_of_line_p
1295 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1296 s
->background_width
,
1297 s
->height
- 2 * box_line_width
);
1298 s
->background_filled_p
= 1;
1304 /* Draw the foreground of glyph string S. */
1307 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1311 /* If first glyph of S has a left box line, start drawing the text
1312 of S to the right of that box line. */
1313 if (s
->face
->box
!= FACE_NO_BOX
1314 && s
->first_glyph
->left_box_line_p
)
1315 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1319 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1320 SetBkColor (s
->hdc
, s
->gc
->background
);
1321 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1323 /* Draw characters of S as rectangles if S's font could not be
1325 if (s
->font_not_found_p
)
1327 for (i
= 0; i
< s
->nchars
; ++i
)
1329 struct glyph
*g
= s
->first_glyph
+ i
;
1331 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1333 x
+= g
->pixel_width
;
1338 struct font
*font
= s
->font
;
1339 int boff
= font
->baseline_offset
;
1343 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1345 if (font
->vertical_centering
)
1346 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1348 y
= s
->ybase
- boff
;
1350 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1351 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1353 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1354 if (s
->face
->overstrike
)
1355 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1357 SelectObject (s
->hdc
, old_font
);
1361 /* Draw the foreground of composite glyph string S. */
1364 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1367 struct font
*font
= s
->font
;
1369 /* If first glyph of S has a left box line, start drawing the text
1370 of S to the right of that box line. */
1371 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1372 && s
->first_glyph
->left_box_line_p
)
1373 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1377 /* S is a glyph string for a composition. S->cmp_from is the index
1378 of the first character drawn for glyphs of this composition.
1379 S->cmp_from == 0 means we are drawing the very first character of
1380 this composition. */
1382 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1383 SetBkColor (s
->hdc
, s
->gc
->background
);
1384 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1386 /* Draw a rectangle for the composition if the font for the very
1387 first character of the composition could not be loaded. */
1388 if (s
->font_not_found_p
)
1390 if (s
->cmp_from
== 0)
1391 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1394 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1399 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1401 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1402 /* TAB in a composition means display glyphs with padding
1403 space on the left or right. */
1404 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1406 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1407 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1409 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1410 if (s
->face
->overstrike
)
1411 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1413 SelectObject (s
->hdc
, old_font
);
1417 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1423 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1425 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1427 glyph
= LGSTRING_GLYPH (gstring
, i
);
1428 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1429 width
+= LGLYPH_WIDTH (glyph
);
1432 int xoff
, yoff
, wadjust
;
1436 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1439 xoff
= LGLYPH_XOFF (glyph
);
1440 yoff
= LGLYPH_YOFF (glyph
);
1441 wadjust
= LGLYPH_WADJUST (glyph
);
1442 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1449 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1451 SelectObject (s
->hdc
, old_font
);
1456 /* Draw the foreground of glyph string S for glyphless characters. */
1459 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1461 struct glyph
*glyph
= s
->first_glyph
;
1464 int with_background
;
1466 /* If first glyph of S has a left box line, start drawing the text
1467 of S to the right of that box line. */
1468 if (s
->face
->box
!= FACE_NO_BOX
1469 && s
->first_glyph
->left_box_line_p
)
1470 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1474 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1475 SetBkColor (s
->hdc
, s
->gc
->background
);
1476 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1479 with_background
= ! (s
->for_overlaps
1480 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1481 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1483 char buf
[7], *str
= NULL
;
1484 int len
= glyph
->u
.glyphless
.len
;
1486 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1489 && CHAR_TABLE_P (Vglyphless_char_display
)
1490 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1494 = (! glyph
->u
.glyphless
.for_no_font
1495 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1496 glyph
->u
.glyphless
.ch
)
1497 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1498 if (STRINGP (acronym
))
1499 str
= SSDATA (acronym
);
1502 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1504 sprintf ((char *) buf
, "%0*X",
1505 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1506 glyph
->u
.glyphless
.ch
);
1510 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1511 w32_draw_rectangle (s
->hdc
, s
->gc
,
1512 x
, s
->ybase
- glyph
->ascent
,
1513 glyph
->pixel_width
- 1,
1514 glyph
->ascent
+ glyph
->descent
- 1);
1517 struct font
*font
= s
->font
;
1518 int upper_len
= (len
+ 1) / 2;
1522 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1523 /* It is certain that all LEN characters in STR are ASCII. */
1524 for (j
= 0; j
< len
; j
++)
1526 code
= font
->driver
->encode_char (font
, str
[j
]);
1527 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1529 font
->driver
->draw (s
, 0, upper_len
,
1530 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1531 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1533 font
->driver
->draw (s
, upper_len
, len
,
1534 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1535 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1537 SelectObject (s
->hdc
, old_font
);
1539 x
+= glyph
->pixel_width
;
1544 /* Brightness beyond which a color won't have its highlight brightness
1547 Nominally, highlight colors for `3d' faces are calculated by
1548 brightening an object's color by a constant scale factor, but this
1549 doesn't yield good results for dark colors, so for colors whose
1550 brightness is less than this value (on a scale of 0-255) have to
1551 use an additional additive factor.
1553 The value here is set so that the default menu-bar/mode-line color
1554 (grey75) will not have its highlights changed at all. */
1555 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1558 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1559 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1560 If this produces the same color as COLOR, try a color where all RGB
1561 values have DELTA added. Return the allocated color in *COLOR.
1562 DISPLAY is the X display, CMAP is the colormap to operate on.
1563 Value is non-zero if successful. */
1566 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1567 double factor
, int delta
)
1572 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1575 /* Change RGB values by specified FACTOR. Avoid overflow! */
1576 eassert (factor
>= 0);
1577 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1578 min (0xff, factor
* GetGValue (*color
)),
1579 min (0xff, factor
* GetBValue (*color
)));
1581 /* Calculate brightness of COLOR. */
1582 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1583 + GetBValue (*color
)) / 6;
1585 /* We only boost colors that are darker than
1586 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1587 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1588 /* Make an additive adjustment to NEW, because it's dark enough so
1589 that scaling by FACTOR alone isn't enough. */
1591 /* How far below the limit this color is (0 - 1, 1 being darker). */
1592 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1593 /* The additive adjustment. */
1594 int min_delta
= delta
* dimness
* factor
/ 2;
1597 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1598 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1599 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1601 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1602 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1603 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1607 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1608 max (0, min (0xff, delta
+ GetGValue (*color
))),
1609 max (0, min (0xff, delta
+ GetBValue (*color
))));
1611 /* TODO: Map to palette and retry with delta if same? */
1612 /* TODO: Free colors (if using palette)? */
1622 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1623 colors in COLORS. On W32, we no longer try to map colors to
1626 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1630 for (i
= 0; i
< ncolors
; i
++)
1632 DWORD pixel
= colors
[i
].pixel
;
1633 /* Convert to a 16 bit value in range 0 - 0xffff. */
1634 colors
[i
].red
= GetRValue (pixel
) * 257;
1635 colors
[i
].green
= GetGValue (pixel
) * 257;
1636 colors
[i
].blue
= GetBValue (pixel
) * 257;
1641 x_query_color (struct frame
*f
, XColor
*color
)
1643 x_query_colors (f
, color
, 1);
1647 /* Set up the foreground color for drawing relief lines of glyph
1648 string S. RELIEF is a pointer to a struct relief containing the GC
1649 with which lines will be drawn. Use a color that is FACTOR or
1650 DELTA lighter or darker than the relief's background which is found
1651 in S->f->output_data.x->relief_background. If such a color cannot
1652 be allocated, use DEFAULT_PIXEL, instead. */
1655 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1656 int delta
, COLORREF default_pixel
)
1659 struct w32_output
*di
= f
->output_data
.w32
;
1660 unsigned long mask
= GCForeground
;
1662 COLORREF background
= di
->relief_background
;
1663 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1665 /* TODO: Free colors (if using palette)? */
1667 /* Allocate new color. */
1668 xgcv
.foreground
= default_pixel
;
1670 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1672 relief
->allocated_p
= 1;
1673 xgcv
.foreground
= relief
->pixel
= pixel
;
1676 if (relief
->gc
== 0)
1678 #if 0 /* TODO: stipple */
1679 xgcv
.stipple
= dpyinfo
->gray
;
1682 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1685 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1689 /* Set up colors for the relief lines around glyph string S. */
1692 x_setup_relief_colors (struct glyph_string
*s
)
1694 struct w32_output
*di
= s
->f
->output_data
.w32
;
1697 if (s
->face
->use_box_color_for_shadows_p
)
1698 color
= s
->face
->box_color
;
1699 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1701 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1702 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1704 color
= s
->gc
->background
;
1706 if (di
->white_relief
.gc
== 0
1707 || color
!= di
->relief_background
)
1709 di
->relief_background
= color
;
1710 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1711 WHITE_PIX_DEFAULT (s
->f
));
1712 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1713 BLACK_PIX_DEFAULT (s
->f
));
1718 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1719 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1720 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1721 relief. LEFT_P non-zero means draw a relief on the left side of
1722 the rectangle. RIGHT_P non-zero means draw a relief on the right
1723 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1727 w32_draw_relief_rect (struct frame
*f
,
1728 int left_x
, int top_y
, int right_x
, int bottom_y
,
1729 int width
, int raised_p
,
1730 int top_p
, int bot_p
, int left_p
, int right_p
,
1735 HDC hdc
= get_frame_dc (f
);
1738 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1740 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1742 w32_set_clip_rectangle (hdc
, clip_rect
);
1746 for (i
= 0; i
< width
; ++i
)
1747 w32_fill_area (f
, hdc
, gc
.foreground
,
1748 left_x
+ i
* left_p
, top_y
+ i
,
1749 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1753 for (i
= 0; i
< width
; ++i
)
1754 w32_fill_area (f
, hdc
, gc
.foreground
,
1755 left_x
+ i
, top_y
+ i
, 1,
1756 bottom_y
- top_y
- 2 * i
+ 1);
1759 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1761 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1765 for (i
= 0; i
< width
; ++i
)
1766 w32_fill_area (f
, hdc
, gc
.foreground
,
1767 left_x
+ i
* left_p
, bottom_y
- i
,
1768 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1772 for (i
= 0; i
< width
; ++i
)
1773 w32_fill_area (f
, hdc
, gc
.foreground
,
1774 right_x
- i
, top_y
+ i
+ 1, 1,
1775 bottom_y
- top_y
- 2 * i
- 1);
1777 w32_set_clip_rectangle (hdc
, NULL
);
1779 release_frame_dc (f
, hdc
);
1783 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1784 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1785 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1786 left side of the rectangle. RIGHT_P non-zero means draw a line
1787 on the right side of the rectangle. CLIP_RECT is the clipping
1788 rectangle to use when drawing. */
1791 w32_draw_box_rect (struct glyph_string
*s
,
1792 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1793 int left_p
, int right_p
, RECT
*clip_rect
)
1795 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1798 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1799 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1804 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1805 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1809 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1810 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1815 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1816 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1819 w32_set_clip_rectangle (s
->hdc
, NULL
);
1823 /* Draw a box around glyph string S. */
1826 x_draw_glyph_string_box (struct glyph_string
*s
)
1828 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1829 int left_p
, right_p
;
1830 struct glyph
*last_glyph
;
1833 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1834 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1835 : window_box_right (s
->w
, s
->area
));
1837 /* The glyph that may have a right box line. */
1838 last_glyph
= (s
->cmp
|| s
->img
1840 : s
->first_glyph
+ s
->nchars
- 1);
1842 width
= eabs (s
->face
->box_line_width
);
1843 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1845 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1847 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1849 bottom_y
= top_y
+ s
->height
- 1;
1851 left_p
= (s
->first_glyph
->left_box_line_p
1852 || (s
->hl
== DRAW_MOUSE_FACE
1854 || s
->prev
->hl
!= s
->hl
)));
1855 right_p
= (last_glyph
->right_box_line_p
1856 || (s
->hl
== DRAW_MOUSE_FACE
1858 || s
->next
->hl
!= s
->hl
)));
1860 get_glyph_string_clip_rect (s
, &clip_rect
);
1862 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1863 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1864 left_p
, right_p
, &clip_rect
);
1867 x_setup_relief_colors (s
);
1868 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1869 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1874 /* Draw foreground of image glyph string S. */
1877 x_draw_image_foreground (struct glyph_string
*s
)
1880 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1882 /* If first glyph of S has a left box line, start drawing it to the
1883 right of that line. */
1884 if (s
->face
->box
!= FACE_NO_BOX
1885 && s
->first_glyph
->left_box_line_p
1887 x
+= eabs (s
->face
->box_line_width
);
1889 /* If there is a margin around the image, adjust x- and y-position
1891 if (s
->slice
.x
== 0)
1892 x
+= s
->img
->hmargin
;
1893 if (s
->slice
.y
== 0)
1894 y
+= s
->img
->vmargin
;
1900 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1901 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1902 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1903 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1904 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1905 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1906 x_set_glyph_string_clipping (s
);
1910 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1911 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1913 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1914 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1916 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1917 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1918 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1919 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1920 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1921 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1923 SelectObject (mask_dc
, mask_orig_obj
);
1928 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1929 SetBkColor (s
->hdc
, s
->gc
->background
);
1931 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1932 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1934 /* When the image has a mask, we can expect that at
1935 least part of a mouse highlight or a block cursor will
1936 be visible. If the image doesn't have a mask, make
1937 a block cursor visible by drawing a rectangle around
1938 the image. I believe it's looking better if we do
1939 nothing here for mouse-face. */
1940 if (s
->hl
== DRAW_CURSOR
)
1942 int r
= s
->img
->relief
;
1944 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1945 s
->slice
.width
+ r
*2 - 1,
1946 s
->slice
.height
+ r
*2 - 1);
1950 w32_set_clip_rectangle (s
->hdc
, NULL
);
1951 SelectObject (s
->hdc
, orig_brush
);
1952 DeleteObject (fg_brush
);
1953 SelectObject (compat_hdc
, orig_obj
);
1954 DeleteDC (compat_hdc
);
1957 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1958 s
->slice
.width
- 1, s
->slice
.height
- 1);
1960 RestoreDC (s
->hdc
,-1);
1964 /* Draw a relief around the image glyph string S. */
1967 x_draw_image_relief (struct glyph_string
*s
)
1969 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1972 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1974 /* If first glyph of S has a left box line, start drawing it to the
1975 right of that line. */
1976 if (s
->face
->box
!= FACE_NO_BOX
1977 && s
->first_glyph
->left_box_line_p
1979 x
+= eabs (s
->face
->box_line_width
);
1981 /* If there is a margin around the image, adjust x- and y-position
1983 if (s
->slice
.x
== 0)
1984 x
+= s
->img
->hmargin
;
1985 if (s
->slice
.y
== 0)
1986 y
+= s
->img
->vmargin
;
1988 if (s
->hl
== DRAW_IMAGE_SUNKEN
1989 || s
->hl
== DRAW_IMAGE_RAISED
)
1991 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1992 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1993 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1997 thick
= eabs (s
->img
->relief
);
1998 raised_p
= s
->img
->relief
> 0;
2003 x1
= x
+ s
->slice
.width
+ thick
- 1;
2004 y1
= y
+ s
->slice
.height
+ thick
- 1;
2006 x_setup_relief_colors (s
);
2007 get_glyph_string_clip_rect (s
, &r
);
2008 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2010 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2012 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2017 /* Draw the foreground of image glyph string S to PIXMAP. */
2020 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
2022 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2023 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2025 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2027 /* If first glyph of S has a left box line, start drawing it to the
2028 right of that line. */
2029 if (s
->face
->box
!= FACE_NO_BOX
2030 && s
->first_glyph
->left_box_line_p
2032 x
+= eabs (s
->face
->box_line_width
);
2034 /* If there is a margin around the image, adjust x- and y-position
2036 if (s
->slice
.x
== 0)
2037 x
+= s
->img
->hmargin
;
2038 if (s
->slice
.y
== 0)
2039 y
+= s
->img
->vmargin
;
2043 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2044 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2045 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2046 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2050 HDC mask_dc
= CreateCompatibleDC (hdc
);
2051 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2053 SetTextColor (hdc
, RGB (0, 0, 0));
2054 SetBkColor (hdc
, RGB (255, 255, 255));
2055 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2056 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2057 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2058 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2059 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2060 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2062 SelectObject (mask_dc
, mask_orig_obj
);
2067 SetTextColor (hdc
, s
->gc
->foreground
);
2068 SetBkColor (hdc
, s
->gc
->background
);
2070 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2071 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2073 /* When the image has a mask, we can expect that at
2074 least part of a mouse highlight or a block cursor will
2075 be visible. If the image doesn't have a mask, make
2076 a block cursor visible by drawing a rectangle around
2077 the image. I believe it's looking better if we do
2078 nothing here for mouse-face. */
2079 if (s
->hl
== DRAW_CURSOR
)
2081 int r
= s
->img
->relief
;
2083 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2084 s
->slice
.width
+ r
*2 - 1,
2085 s
->slice
.height
+ r
*2 - 1);
2089 SelectObject (hdc
, orig_brush
);
2090 DeleteObject (fg_brush
);
2091 SelectObject (compat_hdc
, orig_obj
);
2092 DeleteDC (compat_hdc
);
2095 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2096 s
->slice
.width
- 1, s
->slice
.height
- 1);
2098 SelectObject (hdc
, orig_hdc_obj
);
2103 /* Draw part of the background of glyph string S. X, Y, W, and H
2104 give the rectangle to draw. */
2107 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2109 #if 0 /* TODO: stipple */
2112 /* Fill background with a stipple pattern. */
2113 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2114 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2115 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2119 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2123 /* Draw image glyph string S.
2126 s->x +-------------------------
2129 | +-------------------------
2132 | | +-------------------
2138 x_draw_image_glyph_string (struct glyph_string
*s
)
2141 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2142 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2146 height
= s
->height
- 2 * box_line_vwidth
;
2148 /* Fill background with face under the image. Do it only if row is
2149 taller than image or if image has a clip mask to reduce
2151 s
->stippled_p
= s
->face
->stipple
!= 0;
2152 if (height
> s
->slice
.height
2156 || s
->img
->pixmap
== 0
2157 || s
->width
!= s
->background_width
)
2160 if (s
->first_glyph
->left_box_line_p
2162 x
+= box_line_hwidth
;
2165 if (s
->slice
.y
== 0)
2166 y
+= box_line_vwidth
;
2168 #if 0 /* TODO: figure out if we need to do this on Windows. */
2171 /* Create a pixmap as large as the glyph string. Fill it
2172 with the background color. Copy the image to it, using
2173 its mask. Copy the temporary pixmap to the display. */
2174 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2175 int depth
= DefaultDepthOfScreen (screen
);
2177 /* Create a pixmap as large as the glyph string. */
2178 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2179 s
->background_width
,
2182 /* Don't clip in the following because we're working on the
2184 XSetClipMask (s
->display
, s
->gc
, None
);
2186 /* Fill the pixmap with the background color/stipple. */
2189 /* Fill background with a stipple pattern. */
2190 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2191 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2192 0, 0, s
->background_width
, s
->height
);
2193 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2198 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2200 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2201 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2202 0, 0, s
->background_width
, s
->height
);
2203 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2208 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2210 s
->background_filled_p
= 1;
2213 /* Draw the foreground. */
2216 w32_draw_image_foreground_1 (s
, pixmap
);
2217 x_set_glyph_string_clipping (s
);
2219 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2220 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2221 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2222 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2224 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2225 SetBkColor (s
->hdc
, s
->gc
->background
);
2226 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2227 compat_hdc
, 0, 0, SRCCOPY
);
2229 SelectObject (s
->hdc
, orig_brush
);
2230 DeleteObject (fg_brush
);
2231 SelectObject (compat_hdc
, orig_obj
);
2232 DeleteDC (compat_hdc
);
2234 DeleteObject (pixmap
);
2238 x_draw_image_foreground (s
);
2240 /* If we must draw a relief around the image, do it. */
2242 || s
->hl
== DRAW_IMAGE_RAISED
2243 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2244 x_draw_image_relief (s
);
2248 /* Draw stretch glyph string S. */
2251 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2253 eassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2255 if (s
->hl
== DRAW_CURSOR
2256 && !x_stretch_cursor_p
)
2258 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2259 wide as the stretch glyph. */
2260 int width
, background_width
= s
->background_width
;
2263 if (!s
->row
->reversed_p
)
2265 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2269 background_width
-= left_x
- x
;
2275 /* In R2L rows, draw the cursor on the right edge of the
2277 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2279 if (x
+ background_width
> right_x
)
2280 background_width
-= x
- right_x
;
2281 x
+= background_width
;
2283 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2284 if (s
->row
->reversed_p
)
2288 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2290 /* Clear rest using the GC of the original non-cursor face. */
2291 if (width
< background_width
)
2293 XGCValues
*gc
= s
->face
->gc
;
2295 int w
= background_width
- width
, h
= s
->height
;
2299 if (!s
->row
->reversed_p
)
2303 if (s
->row
->mouse_face_p
2304 && cursor_in_mouse_face_p (s
->w
))
2306 x_set_mouse_face_gc (s
);
2312 get_glyph_string_clip_rect (s
, &r
);
2313 w32_set_clip_rectangle (hdc
, &r
);
2315 #if 0 /* TODO: stipple */
2316 if (s
->face
->stipple
)
2318 /* Fill background with a stipple pattern. */
2319 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2320 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2321 XSetFillStyle (s
->display
, gc
, FillSolid
);
2326 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2330 else if (!s
->background_filled_p
)
2332 int background_width
= s
->background_width
;
2333 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2335 /* Don't draw into left margin, fringe or scrollbar area
2336 except for header line and mode line. */
2337 if (x
< left_x
&& !s
->row
->mode_line_p
)
2339 background_width
-= left_x
- x
;
2342 if (background_width
> 0)
2343 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2346 s
->background_filled_p
= 1;
2350 /* Draw glyph string S. */
2353 x_draw_glyph_string (struct glyph_string
*s
)
2355 int relief_drawn_p
= 0;
2357 /* If S draws into the background of its successor, draw the
2358 background of the successor first so that S can draw into it.
2359 This makes S->next use XDrawString instead of XDrawImageString. */
2360 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2363 struct glyph_string
*next
;
2364 for (width
= 0, next
= s
->next
;
2365 next
&& width
< s
->right_overhang
;
2366 width
+= next
->width
, next
= next
->next
)
2367 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2369 x_set_glyph_string_gc (next
);
2370 x_set_glyph_string_clipping (next
);
2371 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2372 x_draw_stretch_glyph_string (next
);
2374 x_draw_glyph_string_background (next
, 1);
2375 next
->num_clips
= 0;
2379 /* Set up S->gc, set clipping and draw S. */
2380 x_set_glyph_string_gc (s
);
2382 /* Draw relief (if any) in advance for char/composition so that the
2383 glyph string can be drawn over it. */
2384 if (!s
->for_overlaps
2385 && s
->face
->box
!= FACE_NO_BOX
2386 && (s
->first_glyph
->type
== CHAR_GLYPH
2387 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2390 x_set_glyph_string_clipping (s
);
2391 x_draw_glyph_string_background (s
, 1);
2392 x_draw_glyph_string_box (s
);
2393 x_set_glyph_string_clipping (s
);
2396 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2398 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2399 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2400 /* We must clip just this glyph. left_overhang part has already
2401 drawn when s->prev was drawn, and right_overhang part will be
2402 drawn later when s->next is drawn. */
2403 x_set_glyph_string_clipping_exactly (s
, s
);
2405 x_set_glyph_string_clipping (s
);
2407 switch (s
->first_glyph
->type
)
2410 x_draw_image_glyph_string (s
);
2414 x_draw_stretch_glyph_string (s
);
2418 if (s
->for_overlaps
)
2419 s
->background_filled_p
= 1;
2421 x_draw_glyph_string_background (s
, 0);
2422 x_draw_glyph_string_foreground (s
);
2425 case COMPOSITE_GLYPH
:
2426 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2427 && ! s
->first_glyph
->u
.cmp
.automatic
))
2428 s
->background_filled_p
= 1;
2430 x_draw_glyph_string_background (s
, 1);
2431 x_draw_composite_glyph_string_foreground (s
);
2434 case GLYPHLESS_GLYPH
:
2435 if (s
->for_overlaps
)
2436 s
->background_filled_p
= 1;
2438 x_draw_glyph_string_background (s
, 0);
2439 x_draw_glyphless_glyph_string_foreground (s
);
2446 if (!s
->for_overlaps
)
2448 /* Draw underline. */
2449 if (s
->face
->underline_p
)
2451 if (s
->face
->underline_type
== FACE_UNDER_WAVE
)
2455 if (s
->face
->underline_defaulted_p
)
2456 color
= s
->gc
->foreground
;
2458 color
= s
->face
->underline_color
;
2460 w32_draw_underwave (s
, color
);
2462 else if (s
->face
->underline_type
== FACE_UNDER_LINE
)
2464 unsigned long thickness
, position
;
2467 if (s
->prev
&& s
->prev
->face
->underline_p
2468 && s
->prev
->face
->underline_type
== FACE_UNDER_LINE
)
2470 /* We use the same underline style as the previous one. */
2471 thickness
= s
->prev
->underline_thickness
;
2472 position
= s
->prev
->underline_position
;
2476 /* Get the underline thickness. Default is 1 pixel. */
2477 if (s
->font
&& s
->font
->underline_thickness
> 0)
2478 thickness
= s
->font
->underline_thickness
;
2481 if (x_underline_at_descent_line
)
2482 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2485 /* Get the underline position. This is the recommended
2486 vertical offset in pixels from the baseline to the top of
2487 the underline. This is a signed value according to the
2488 specs, and its default is
2490 ROUND ((maximum_descent) / 2), with
2491 ROUND (x) = floor (x + 0.5) */
2493 if (x_use_underline_position_properties
2494 && s
->font
&& s
->font
->underline_position
>= 0)
2495 position
= s
->font
->underline_position
;
2497 position
= (s
->font
->descent
+ 1) / 2;
2499 position
= max (position
, underline_minimum_offset
);
2501 /* Check the sanity of thickness and position. We should
2502 avoid drawing underline out of the current line area. */
2503 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2504 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2505 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2506 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2507 s
->underline_thickness
= thickness
;
2508 s
->underline_position
=position
;
2509 y
= s
->ybase
+ position
;
2510 if (s
->face
->underline_defaulted_p
)
2512 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2517 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2522 /* Draw overline. */
2523 if (s
->face
->overline_p
)
2525 unsigned long dy
= 0, h
= 1;
2527 if (s
->face
->overline_color_defaulted_p
)
2529 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2530 s
->y
+ dy
, s
->width
, h
);
2534 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2535 s
->y
+ dy
, s
->width
, h
);
2539 /* Draw strike-through. */
2540 if (s
->face
->strike_through_p
2541 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2543 unsigned long h
= 1;
2544 unsigned long dy
= (s
->height
- h
) / 2;
2546 if (s
->face
->strike_through_color_defaulted_p
)
2548 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2553 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2554 s
->y
+ dy
, s
->width
, h
);
2558 /* Draw relief if not yet drawn. */
2559 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2560 x_draw_glyph_string_box (s
);
2564 struct glyph_string
*prev
;
2566 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2567 if (prev
->hl
!= s
->hl
2568 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2570 /* As prev was drawn while clipped to its own area, we
2571 must draw the right_overhang part using s->hl now. */
2572 enum draw_glyphs_face save
= prev
->hl
;
2575 x_set_glyph_string_gc (prev
);
2576 x_set_glyph_string_clipping_exactly (s
, prev
);
2577 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2578 x_draw_glyph_string_foreground (prev
);
2580 x_draw_composite_glyph_string_foreground (prev
);
2581 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2583 prev
->num_clips
= 0;
2589 struct glyph_string
*next
;
2591 for (next
= s
->next
; next
; next
= next
->next
)
2592 if (next
->hl
!= s
->hl
2593 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2595 /* As next will be drawn while clipped to its own area,
2596 we must draw the left_overhang part using s->hl now. */
2597 enum draw_glyphs_face save
= next
->hl
;
2600 x_set_glyph_string_gc (next
);
2601 x_set_glyph_string_clipping_exactly (s
, next
);
2602 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2603 x_draw_glyph_string_foreground (next
);
2605 x_draw_composite_glyph_string_foreground (next
);
2606 w32_set_clip_rectangle (next
->hdc
, NULL
);
2608 next
->num_clips
= 0;
2609 next
->clip_head
= s
->next
;
2614 /* Reset clipping. */
2615 w32_set_clip_rectangle (s
->hdc
, NULL
);
2620 /* Shift display to make room for inserted glyphs. */
2623 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2624 int width
, int height
, int shift_by
)
2628 hdc
= get_frame_dc (f
);
2629 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2630 hdc
, x
, y
, SRCCOPY
);
2632 release_frame_dc (f
, hdc
);
2636 /* Delete N glyphs at the nominal cursor position. Not implemented
2640 x_delete_glyphs (struct frame
*f
, register int n
)
2642 if (! FRAME_W32_P (f
))
2649 /* Clear entire frame. */
2652 x_clear_frame (struct frame
*f
)
2654 if (! FRAME_W32_P (f
))
2657 /* Clearing the frame will erase any cursor, so mark them all as no
2659 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2660 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2661 output_cursor
.x
= -1;
2663 /* We don't set the output cursor here because there will always
2664 follow an explicit cursor_to. */
2667 w32_clear_window (f
);
2669 /* We have to clear the scroll bars, too. If we have changed
2670 colors or something like that, then they should be notified. */
2671 x_scroll_bar_clear (f
);
2677 /* Make audible bell. */
2680 w32_ring_bell (struct frame
*f
)
2684 if (FRAME_W32_P (f
) && visible_bell
)
2687 HWND hwnd
= FRAME_W32_WINDOW (f
);
2689 for (i
= 0; i
< 5; i
++)
2691 FlashWindow (hwnd
, TRUE
);
2694 FlashWindow (hwnd
, FALSE
);
2697 w32_sys_ring_bell (f
);
2703 /* Specify how many text lines, from the top of the window,
2704 should be affected by insert-lines and delete-lines operations.
2705 This, and those operations, are used only within an update
2706 that is bounded by calls to x_update_begin and x_update_end. */
2709 w32_set_terminal_window (struct frame
*f
, int n
)
2711 /* This function intentionally left blank. */
2715 /***********************************************************************
2717 ***********************************************************************/
2719 /* Perform an insert-lines or delete-lines operation, inserting N
2720 lines or deleting -N lines at vertical position VPOS. */
2723 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2725 if (! FRAME_W32_P (f
))
2732 /* Scroll part of the display as described by RUN. */
2735 x_scroll_run (struct window
*w
, struct run
*run
)
2737 struct frame
*f
= XFRAME (w
->frame
);
2738 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2739 HWND hwnd
= FRAME_W32_WINDOW (f
);
2742 /* Get frame-relative bounding box of the text display area of W,
2743 without mode lines. Include in this box the left and right
2745 window_box (w
, -1, &x
, &y
, &width
, &height
);
2747 /* If the fringe is adjacent to the left (right) scroll bar of a
2748 leftmost (rightmost, respectively) window, then extend its
2749 background to the gap between the fringe and the bar. */
2750 if ((WINDOW_LEFTMOST_P (w
)
2751 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2752 || (WINDOW_RIGHTMOST_P (w
)
2753 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2755 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2759 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2760 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2761 * FRAME_COLUMN_WIDTH (f
));
2763 if (bar_area_x
+ bar_area_width
== x
)
2765 x
= bar_area_x
+ sb_width
;
2766 width
+= bar_area_width
- sb_width
;
2768 else if (x
+ width
== bar_area_x
)
2769 width
+= bar_area_width
- sb_width
;
2773 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2774 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2775 bottom_y
= y
+ height
;
2779 /* Scrolling up. Make sure we don't copy part of the mode
2780 line at the bottom. */
2781 if (from_y
+ run
->height
> bottom_y
)
2782 height
= bottom_y
- from_y
;
2784 height
= run
->height
;
2785 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2789 /* Scrolling down. Make sure we don't copy over the mode line.
2791 if (to_y
+ run
->height
> bottom_y
)
2792 height
= bottom_y
- to_y
;
2794 height
= run
->height
;
2795 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2800 /* Cursor off. Will be switched on again in x_update_window_end. */
2807 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2808 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2810 from
.left
= to
.left
= x
;
2811 from
.right
= to
.right
= x
+ width
;
2813 from
.bottom
= from_y
+ height
;
2815 to
.bottom
= bottom_y
;
2817 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2818 NULL
, SW_INVALIDATE
);
2820 /* Combine this with what we expect to be dirty. This covers the
2821 case where not all of the region we expect is actually dirty. */
2822 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2824 /* If the dirty region is not what we expected, redraw the entire frame. */
2825 if (!EqualRgn (combined
, expect_dirty
))
2826 SET_FRAME_GARBAGED (f
);
2828 DeleteObject (dirty
);
2829 DeleteObject (combined
);
2833 DeleteObject (expect_dirty
);
2838 /***********************************************************************
2840 ***********************************************************************/
2843 frame_highlight (struct frame
*f
)
2845 x_update_cursor (f
, 1);
2846 x_set_frame_alpha (f
);
2850 frame_unhighlight (struct frame
*f
)
2852 x_update_cursor (f
, 1);
2853 x_set_frame_alpha (f
);
2856 /* The focus has changed. Update the frames as necessary to reflect
2857 the new situation. Note that we can't change the selected frame
2858 here, because the Lisp code we are interrupting might become confused.
2859 Each event gets marked with the frame in which it occurred, so the
2860 Lisp code can tell when the switch took place by examining the events. */
2863 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2865 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2867 if (frame
!= dpyinfo
->w32_focus_frame
)
2869 /* Set this before calling other routines, so that they see
2870 the correct value of w32_focus_frame. */
2871 dpyinfo
->w32_focus_frame
= frame
;
2873 if (old_focus
&& old_focus
->auto_lower
)
2874 x_lower_frame (old_focus
);
2876 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2877 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2879 pending_autoraise_frame
= 0;
2882 x_frame_rehighlight (dpyinfo
);
2886 /* Handle FocusIn and FocusOut state changes for FRAME.
2887 If FRAME has focus and there exists more than one frame, puts
2888 a FOCUS_IN_EVENT into *BUFP. */
2891 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2892 struct frame
*frame
, struct input_event
*bufp
)
2894 if (type
== WM_SETFOCUS
)
2896 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2898 x_new_focus_frame (dpyinfo
, frame
);
2899 dpyinfo
->w32_focus_event_frame
= frame
;
2901 /* Don't stop displaying the initial startup message
2902 for a switch-frame event we don't need. */
2903 if (NILP (Vterminal_frame
)
2904 && CONSP (Vframe_list
)
2905 && !NILP (XCDR (Vframe_list
)))
2907 bufp
->kind
= FOCUS_IN_EVENT
;
2908 XSETFRAME (bufp
->frame_or_window
, frame
);
2912 frame
->output_data
.x
->focus_state
|= state
;
2914 /* TODO: IME focus? */
2916 else if (type
== WM_KILLFOCUS
)
2918 frame
->output_data
.x
->focus_state
&= ~state
;
2920 if (dpyinfo
->w32_focus_event_frame
== frame
)
2922 dpyinfo
->w32_focus_event_frame
= 0;
2923 x_new_focus_frame (dpyinfo
, 0);
2926 /* TODO: IME focus? */
2931 /* The focus may have changed. Figure out if it is a real focus change,
2932 by checking both FocusIn/Out and Enter/LeaveNotify events.
2934 Returns FOCUS_IN_EVENT event in *BUFP. */
2937 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2938 struct input_event
*bufp
)
2940 struct frame
*frame
;
2942 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2946 /* On w32, this is only called from focus events, so no switch needed. */
2947 x_focus_changed (event
->msg
.message
,
2948 (event
->msg
.message
== WM_KILLFOCUS
?
2949 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2950 dpyinfo
, frame
, bufp
);
2954 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2957 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2959 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2962 /* The focus has changed, or we have redirected a frame's focus to
2963 another frame (this happens when a frame uses a surrogate
2964 mini-buffer frame). Shift the highlight as appropriate.
2966 The FRAME argument doesn't necessarily have anything to do with which
2967 frame is being highlighted or un-highlighted; we only use it to find
2968 the appropriate X display info. */
2971 w32_frame_rehighlight (struct frame
*frame
)
2973 if (! FRAME_W32_P (frame
))
2975 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2979 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2981 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2983 if (dpyinfo
->w32_focus_frame
)
2985 dpyinfo
->x_highlight_frame
2986 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2987 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2988 : dpyinfo
->w32_focus_frame
);
2989 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2991 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
2992 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2996 dpyinfo
->x_highlight_frame
= 0;
2998 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3001 frame_unhighlight (old_highlight
);
3002 if (dpyinfo
->x_highlight_frame
)
3003 frame_highlight (dpyinfo
->x_highlight_frame
);
3007 /* Keyboard processing - modifier keys, etc. */
3009 /* Convert a keysym to its name. */
3012 x_get_keysym_name (int keysym
)
3014 /* Make static so we can always return it */
3015 static char value
[100];
3018 GetKeyNameText (keysym
, value
, 100);
3025 codepage_for_locale (LCID locale
)
3029 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
3036 /* Mouse clicks and mouse movement. Rah. */
3038 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3039 the state in PUP. XBUTTON provides extra information for extended mouse
3040 button messages. Returns FALSE if unable to parse the message. */
3042 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
3049 case WM_LBUTTONDOWN
:
3057 case WM_MBUTTONDOWN
:
3058 if (NILP (Vw32_swap_mouse_buttons
))
3065 if (NILP (Vw32_swap_mouse_buttons
))
3071 case WM_RBUTTONDOWN
:
3072 if (NILP (Vw32_swap_mouse_buttons
))
3079 if (NILP (Vw32_swap_mouse_buttons
))
3085 case WM_XBUTTONDOWN
:
3086 button
= xbutton
+ 2;
3090 button
= xbutton
+ 2;
3098 if (pbutton
) *pbutton
= button
;
3104 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3106 If the event is a button press, then note that we have grabbed
3110 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3115 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3118 /* Make the event type NO_EVENT; we'll change that when we decide
3120 result
->kind
= MOUSE_CLICK_EVENT
;
3121 result
->code
= button
;
3122 result
->timestamp
= msg
->msg
.time
;
3123 result
->modifiers
= (msg
->dwModifiers
3128 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3129 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3130 XSETFRAME (result
->frame_or_window
, f
);
3136 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3141 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3144 result
->timestamp
= msg
->msg
.time
;
3146 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3147 forward, away from the user (up); a negative value indicates that
3148 the wheel was rotated backward, toward the user (down). */
3149 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3151 /* The up and down modifiers indicate if the wheel was rotated up or
3152 down based on WHEEL_DELTA value. */
3153 result
->modifiers
= (msg
->dwModifiers
3154 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3156 /* With multiple monitors, we can legitimately get negative
3157 coordinates, so cast to short to interpret them correctly. */
3158 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3159 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3160 ScreenToClient (msg
->msg
.hwnd
, &p
);
3161 XSETINT (result
->x
, p
.x
);
3162 XSETINT (result
->y
, p
.y
);
3163 XSETFRAME (result
->frame_or_window
, f
);
3169 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3179 result
->kind
= DRAG_N_DROP_EVENT
;
3181 result
->timestamp
= msg
->msg
.time
;
3182 result
->modifiers
= msg
->dwModifiers
;
3184 hdrop
= (HDROP
) msg
->msg
.wParam
;
3185 DragQueryPoint (hdrop
, &p
);
3188 p
.x
= LOWORD (msg
->msg
.lParam
);
3189 p
.y
= HIWORD (msg
->msg
.lParam
);
3190 ScreenToClient (msg
->msg
.hwnd
, &p
);
3193 XSETINT (result
->x
, p
.x
);
3194 XSETINT (result
->y
, p
.y
);
3196 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3199 for (i
= 0; i
< num_files
; i
++)
3201 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3204 name
= alloca (len
+ 1);
3205 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3206 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3211 XSETFRAME (frame
, f
);
3212 result
->frame_or_window
= frame
;
3213 result
->arg
= files
;
3218 /* Function to report a mouse movement to the mainstream Emacs code.
3219 The input handler calls this.
3221 We have received a mouse movement event, which is given in *event.
3222 If the mouse is over a different glyph than it was last time, tell
3223 the mainstream emacs code by setting mouse_moved. If not, ask for
3224 another motion event, so we can check again the next time it moves. */
3226 static MSG last_mouse_motion_event
;
3227 static Lisp_Object last_mouse_motion_frame
;
3230 note_mouse_movement (FRAME_PTR frame
, MSG
*msg
)
3232 int mouse_x
= LOWORD (msg
->lParam
);
3233 int mouse_y
= HIWORD (msg
->lParam
);
3235 last_mouse_movement_time
= msg
->time
;
3236 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3237 XSETFRAME (last_mouse_motion_frame
, frame
);
3239 if (!FRAME_X_OUTPUT (frame
))
3242 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3244 frame
->mouse_moved
= 1;
3245 last_mouse_scroll_bar
= Qnil
;
3246 note_mouse_highlight (frame
, -1, -1);
3247 last_mouse_glyph_frame
= 0;
3251 /* Has the mouse moved off the glyph it was on at the last sighting? */
3252 if (frame
!= last_mouse_glyph_frame
3253 || mouse_x
< last_mouse_glyph
.left
3254 || mouse_x
>= last_mouse_glyph
.right
3255 || mouse_y
< last_mouse_glyph
.top
3256 || mouse_y
>= last_mouse_glyph
.bottom
)
3258 frame
->mouse_moved
= 1;
3259 last_mouse_scroll_bar
= Qnil
;
3260 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3261 /* Remember the mouse position here, as w32_mouse_position only
3262 gets called when mouse tracking is enabled but we also need
3263 to keep track of the mouse for help_echo and highlighting at
3265 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3266 last_mouse_glyph_frame
= frame
;
3274 /************************************************************************
3276 ************************************************************************/
3278 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3279 static void x_scroll_bar_report_motion (FRAME_PTR
*, Lisp_Object
*,
3280 enum scroll_bar_part
*,
3281 Lisp_Object
*, Lisp_Object
*,
3283 static void x_check_fullscreen (struct frame
*);
3286 redo_mouse_highlight (void)
3288 if (!NILP (last_mouse_motion_frame
)
3289 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3290 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3291 LOWORD (last_mouse_motion_event
.lParam
),
3292 HIWORD (last_mouse_motion_event
.lParam
));
3296 w32_define_cursor (Window window
, Cursor cursor
)
3298 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3300 /* Return the current position of the mouse.
3301 *fp should be a frame which indicates which display to ask about.
3303 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3304 and *part to the frame, window, and scroll bar part that the mouse
3305 is over. Set *x and *y to the portion and whole of the mouse's
3306 position on the scroll bar.
3308 If the mouse movement started elsewhere, set *fp to the frame the
3309 mouse is on, *bar_window to nil, and *x and *y to the character cell
3312 Set *time to the server time-stamp for the time at which the mouse
3313 was at this position.
3315 Don't store anything if we don't have a valid set of values to report.
3317 This clears the mouse_moved flag, so we can wait for the next mouse
3321 w32_mouse_position (FRAME_PTR
*fp
, int insist
, Lisp_Object
*bar_window
,
3322 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3323 unsigned long *time
)
3329 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3330 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3335 Lisp_Object frame
, tail
;
3337 /* Clear the mouse-moved flag for every frame on this display. */
3338 FOR_EACH_FRAME (tail
, frame
)
3339 XFRAME (frame
)->mouse_moved
= 0;
3341 last_mouse_scroll_bar
= Qnil
;
3345 /* Now we have a position on the root; find the innermost window
3346 containing the pointer. */
3348 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3349 && FRAME_LIVE_P (last_mouse_frame
))
3351 /* If mouse was grabbed on a frame, give coords for that frame
3352 even if the mouse is now outside it. */
3353 f1
= last_mouse_frame
;
3357 /* Is window under mouse one of our frames? */
3358 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3359 WindowFromPoint (pt
));
3362 /* If not, is it one of our scroll bars? */
3365 struct scroll_bar
*bar
3366 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3370 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3374 if (f1
== 0 && insist
> 0)
3375 f1
= SELECTED_FRAME ();
3379 /* Ok, we found a frame. Store all the values.
3380 last_mouse_glyph is a rectangle used to reduce the
3381 generation of mouse events. To not miss any motion
3382 events, we must divide the frame into rectangles of the
3383 size of the smallest character that could be displayed
3384 on it, i.e. into the same rectangles that matrices on
3385 the frame are divided into. */
3387 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3388 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3389 last_mouse_glyph_frame
= f1
;
3396 *time
= last_mouse_movement_time
;
3405 /***********************************************************************
3407 ***********************************************************************/
3409 /* Handle mouse button event on the tool-bar of frame F, at
3410 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3411 or ButtonRelease. */
3414 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3416 int x
= XFASTINT (button_event
->x
);
3417 int y
= XFASTINT (button_event
->y
);
3419 if (button_event
->modifiers
& down_modifier
)
3420 handle_tool_bar_click (f
, x
, y
, 1, 0);
3422 handle_tool_bar_click (f
, x
, y
, 0,
3423 button_event
->modifiers
& ~up_modifier
);
3428 /***********************************************************************
3430 ***********************************************************************/
3432 /* Scroll bar support. */
3434 /* Given a window ID, find the struct scroll_bar which manages it.
3435 This can be called in GC, so we have to make sure to strip off mark
3438 static struct scroll_bar
*
3439 x_window_to_scroll_bar (Window window_id
)
3443 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3445 Lisp_Object frame
, bar
, condemned
;
3447 frame
= XCAR (tail
);
3448 /* All elements of Vframe_list should be frames. */
3449 if (! FRAMEP (frame
))
3452 /* Scan this frame's scroll bar list for a scroll bar with the
3454 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3455 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3456 /* This trick allows us to search both the ordinary and
3457 condemned scroll bar lists with one loop. */
3458 ! NILP (bar
) || (bar
= condemned
,
3461 bar
= XSCROLL_BAR (bar
)->next
)
3462 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3463 return XSCROLL_BAR (bar
);
3471 /* Set the thumb size and position of scroll bar BAR. We are currently
3472 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3475 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3476 int portion
, int position
, int whole
)
3478 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3479 /* We use the whole scroll-bar height in the calculations below, to
3480 avoid strange effects like scrolling backwards when just clicking
3481 on the handle (without moving it). */
3482 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3483 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3484 int sb_page
, sb_pos
;
3485 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3488 /* We used to change the nPage setting while dragging the handle,
3489 but that had very strange effects (such as scrolling backwards
3490 while dragging downwards).
3492 Now, we don't change the nPage setting while dragging unless we
3493 get near to the end of the buffer, in which case we often have to
3494 resize the handle to "go all the way". */
3500 si
.cbSize
= sizeof (si
);
3501 si
.fMask
= SIF_POS
| SIF_PAGE
;
3502 GetScrollInfo (w
, SB_CTL
, &si
);
3503 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3511 /* Position scroll bar at rock bottom if the bottom of the
3512 buffer is visible. This avoids shrinking the thumb away
3513 to nothing if it is held at the bottom of the buffer. */
3514 if (position
+ portion
>= whole
&& !draggingp
)
3516 sb_page
= range
* (whole
- position
) / whole
;
3521 sb_pos
= position
* range
/ whole
;
3522 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3531 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3535 si
.cbSize
= sizeof (si
);
3536 si
.fMask
= SIF_PAGE
| SIF_POS
;
3540 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3546 /************************************************************************
3547 Scroll bars, general
3548 ************************************************************************/
3551 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3553 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3554 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3558 /*#define ATTACH_THREADS*/
3561 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3563 #ifndef ATTACH_THREADS
3564 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3565 (WPARAM
) hwnd
, (LPARAM
) how
);
3567 return ShowWindow (hwnd
, how
);
3572 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3573 int x
, int y
, int cx
, int cy
, UINT flags
)
3575 #ifndef ATTACH_THREADS
3577 pos
.hwndInsertAfter
= hwndAfter
;
3583 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3585 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3591 my_set_focus (struct frame
* f
, HWND hwnd
)
3593 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3599 my_set_foreground_window (HWND hwnd
)
3601 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3606 my_destroy_window (struct frame
* f
, HWND hwnd
)
3608 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3613 my_bring_window_to_top (HWND hwnd
)
3615 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3618 /* Create a scroll bar and return the scroll bar vector for it. W is
3619 the Emacs window on which to create the scroll bar. TOP, LEFT,
3620 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3623 static struct scroll_bar
*
3624 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3626 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3629 struct scroll_bar
*bar
3630 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3635 XSETWINDOW (bar
->window
, w
);
3636 XSETINT (bar
->top
, top
);
3637 XSETINT (bar
->left
, left
);
3638 XSETINT (bar
->width
, width
);
3639 XSETINT (bar
->height
, height
);
3640 XSETINT (bar
->start
, 0);
3641 XSETINT (bar
->end
, 0);
3642 bar
->dragging
= Qnil
;
3643 bar
->fringe_extended_p
= Qnil
;
3645 /* Requires geometry to be set before call to create the real window */
3647 hwnd
= my_create_scrollbar (f
, bar
);
3649 si
.cbSize
= sizeof (si
);
3652 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3653 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3657 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3659 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3661 /* Add bar to its frame's list of scroll bars. */
3662 bar
->next
= FRAME_SCROLL_BARS (f
);
3664 XSETVECTOR (barobj
, bar
);
3665 fset_scroll_bars (f
, barobj
);
3666 if (! NILP (bar
->next
))
3667 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3675 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3679 x_scroll_bar_remove (struct scroll_bar
*bar
)
3681 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3685 /* Destroy the window. */
3686 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3688 /* Dissociate this scroll bar from its window. */
3689 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3694 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3695 that we are displaying PORTION characters out of a total of WHOLE
3696 characters, starting at POSITION. If WINDOW has no scroll bar,
3699 w32_set_vertical_scroll_bar (struct window
*w
,
3700 int portion
, int whole
, int position
)
3702 struct frame
*f
= XFRAME (w
->frame
);
3704 struct scroll_bar
*bar
;
3705 int top
, height
, left
, sb_left
, width
, sb_width
;
3706 int window_y
, window_height
;
3707 int fringe_extended_p
;
3709 /* Get window dimensions. */
3710 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3712 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3713 height
= window_height
;
3715 /* Compute the left edge of the scroll bar area. */
3716 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3718 /* Compute the width of the scroll bar which might be less than
3719 the width of the area reserved for the scroll bar. */
3720 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3721 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3725 /* Compute the left edge of the scroll bar. */
3726 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3727 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3729 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3731 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3732 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3733 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3734 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3735 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3737 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3738 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3739 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3740 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3742 /* Does the scroll bar exist yet? */
3743 if (NILP (w
->vertical_scroll_bar
))
3747 if (width
> 0 && height
> 0)
3749 hdc
= get_frame_dc (f
);
3750 if (fringe_extended_p
)
3751 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3753 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3754 release_frame_dc (f
, hdc
);
3758 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3762 /* It may just need to be moved and resized. */
3765 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3766 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3768 /* If already correctly positioned, do nothing. */
3769 if ( XINT (bar
->left
) == sb_left
3770 && XINT (bar
->top
) == top
3771 && XINT (bar
->width
) == sb_width
3772 && XINT (bar
->height
) == height
3773 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3775 /* Redraw after clear_frame. */
3776 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3777 InvalidateRect (hwnd
, NULL
, FALSE
);
3785 if (width
&& height
)
3787 hdc
= get_frame_dc (f
);
3788 /* Since Windows scroll bars are smaller than the space reserved
3789 for them on the frame, we have to clear "under" them. */
3790 if (fringe_extended_p
)
3791 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3793 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3794 release_frame_dc (f
, hdc
);
3796 /* Make sure scroll bar is "visible" before moving, to ensure the
3797 area of the parent window now exposed will be refreshed. */
3798 my_show_window (f
, hwnd
, SW_HIDE
);
3799 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3800 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3801 max (height
, 1), TRUE
);
3803 si
.cbSize
= sizeof (si
);
3804 si
.fMask
= SIF_RANGE
;
3806 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3807 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3809 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3811 my_show_window (f
, hwnd
, SW_NORMAL
);
3812 /* InvalidateRect (w, NULL, FALSE); */
3814 /* Remember new settings. */
3815 XSETINT (bar
->left
, sb_left
);
3816 XSETINT (bar
->top
, top
);
3817 XSETINT (bar
->width
, sb_width
);
3818 XSETINT (bar
->height
, height
);
3823 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3825 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3826 XSETVECTOR (barobj
, bar
);
3827 wset_vertical_scroll_bar (w
, barobj
);
3831 /* The following three hooks are used when we're doing a thorough
3832 redisplay of the frame. We don't explicitly know which scroll bars
3833 are going to be deleted, because keeping track of when windows go
3834 away is a real pain - "Can you say set-window-configuration, boys
3835 and girls?" Instead, we just assert at the beginning of redisplay
3836 that *all* scroll bars are to be removed, and then save a scroll bar
3837 from the fiery pit when we actually redisplay its window. */
3839 /* Arrange for all scroll bars on FRAME to be removed at the next call
3840 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3841 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3844 w32_condemn_scroll_bars (FRAME_PTR frame
)
3846 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3847 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3850 bar
= FRAME_SCROLL_BARS (frame
);
3851 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3852 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3853 XSCROLL_BAR (bar
)->prev
= Qnil
;
3854 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3855 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3856 fset_condemned_scroll_bars (frame
, bar
);
3861 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3862 Note that WINDOW isn't necessarily condemned at all. */
3865 w32_redeem_scroll_bar (struct window
*window
)
3867 struct scroll_bar
*bar
;
3871 /* We can't redeem this window's scroll bar if it doesn't have one. */
3872 if (NILP (window
->vertical_scroll_bar
))
3875 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3877 /* Unlink it from the condemned list. */
3878 f
= XFRAME (WINDOW_FRAME (window
));
3879 if (NILP (bar
->prev
))
3881 /* If the prev pointer is nil, it must be the first in one of
3883 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3884 /* It's not condemned. Everything's fine. */
3886 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3887 window
->vertical_scroll_bar
))
3888 fset_condemned_scroll_bars (f
, bar
->next
);
3890 /* If its prev pointer is nil, it must be at the front of
3891 one or the other! */
3895 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3897 if (! NILP (bar
->next
))
3898 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3900 bar
->next
= FRAME_SCROLL_BARS (f
);
3902 XSETVECTOR (barobj
, bar
);
3903 fset_scroll_bars (f
, barobj
);
3904 if (! NILP (bar
->next
))
3905 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3908 /* Remove all scroll bars on FRAME that haven't been saved since the
3909 last call to `*condemn_scroll_bars_hook'. */
3912 w32_judge_scroll_bars (FRAME_PTR f
)
3914 Lisp_Object bar
, next
;
3916 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3918 /* Clear out the condemned list now so we won't try to process any
3919 more events on the hapless scroll bars. */
3920 fset_condemned_scroll_bars (f
, Qnil
);
3922 for (; ! NILP (bar
); bar
= next
)
3924 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3926 x_scroll_bar_remove (b
);
3929 b
->next
= b
->prev
= Qnil
;
3932 /* Now there should be no references to the condemned scroll bars,
3933 and they should get garbage-collected. */
3936 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3937 is set to something other than NO_EVENT, it is enqueued.
3939 This may be called from a signal handler, so we have to ignore GC
3943 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
3944 struct input_event
*emacs_event
)
3946 if (! WINDOWP (bar
->window
))
3949 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3950 emacs_event
->code
= 0;
3951 /* not really meaningful to distinguish up/down */
3952 emacs_event
->modifiers
= msg
->dwModifiers
;
3953 emacs_event
->frame_or_window
= bar
->window
;
3954 emacs_event
->arg
= Qnil
;
3955 emacs_event
->timestamp
= msg
->msg
.time
;
3958 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3960 int dragging
= !NILP (bar
->dragging
);
3963 si
.cbSize
= sizeof (si
);
3966 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3969 bar
->dragging
= Qnil
;
3972 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3974 switch (LOWORD (msg
->msg
.wParam
))
3977 emacs_event
->part
= scroll_bar_down_arrow
;
3980 emacs_event
->part
= scroll_bar_up_arrow
;
3983 emacs_event
->part
= scroll_bar_above_handle
;
3986 emacs_event
->part
= scroll_bar_below_handle
;
3989 emacs_event
->part
= scroll_bar_handle
;
3993 emacs_event
->part
= scroll_bar_handle
;
3997 case SB_THUMBPOSITION
:
3998 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3999 y
= HIWORD (msg
->msg
.wParam
);
4001 emacs_event
->part
= scroll_bar_handle
;
4003 /* "Silently" update current position. */
4007 si
.cbSize
= sizeof (si
);
4010 /* Remember apparent position (we actually lag behind the real
4011 position, so don't set that directly). */
4012 last_scroll_bar_drag_pos
= y
;
4014 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4018 /* If this is the end of a drag sequence, then reset the scroll
4019 handle size to normal and do a final redraw. Otherwise do
4024 int start
= XINT (bar
->start
);
4025 int end
= XINT (bar
->end
);
4027 si
.cbSize
= sizeof (si
);
4028 si
.fMask
= SIF_PAGE
| SIF_POS
;
4029 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4030 si
.nPos
= last_scroll_bar_drag_pos
;
4031 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4035 emacs_event
->kind
= NO_EVENT
;
4039 XSETINT (emacs_event
->x
, y
);
4040 XSETINT (emacs_event
->y
, top_range
);
4046 /* Return information to the user about the current position of the mouse
4047 on the scroll bar. */
4050 x_scroll_bar_report_motion (FRAME_PTR
*fp
, Lisp_Object
*bar_window
,
4051 enum scroll_bar_part
*part
,
4052 Lisp_Object
*x
, Lisp_Object
*y
,
4053 unsigned long *time
)
4055 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4056 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4057 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4059 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4065 *bar_window
= bar
->window
;
4067 si
.cbSize
= sizeof (si
);
4068 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4070 GetScrollInfo (w
, SB_CTL
, &si
);
4072 top_range
= si
.nMax
- si
.nPage
+ 1;
4074 switch (LOWORD (last_mouse_scroll_bar_pos
))
4076 case SB_THUMBPOSITION
:
4078 *part
= scroll_bar_handle
;
4079 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4080 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4083 *part
= scroll_bar_handle
;
4087 *part
= scroll_bar_handle
;
4092 XSETINT (*y
, top_range
);
4095 last_mouse_scroll_bar
= Qnil
;
4097 *time
= last_mouse_movement_time
;
4103 /* The screen has been cleared so we may have changed foreground or
4104 background colors, and the scroll bars may need to be redrawn.
4105 Clear out the scroll bars, and ask for expose events, so we can
4109 x_scroll_bar_clear (FRAME_PTR f
)
4113 /* We can have scroll bars even if this is 0,
4114 if we just turned off scroll bar mode.
4115 But in that case we should not clear them. */
4116 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4117 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4118 bar
= XSCROLL_BAR (bar
)->next
)
4120 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4121 HDC hdc
= GetDC (window
);
4124 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4125 arranges to refresh the scroll bar if hidden. */
4126 my_show_window (f
, window
, SW_HIDE
);
4128 GetClientRect (window
, &rect
);
4129 select_palette (f
, hdc
);
4130 w32_clear_rect (f
, hdc
, &rect
);
4131 deselect_palette (f
, hdc
);
4133 ReleaseDC (window
, hdc
);
4138 /* The main W32 event-reading loop - w32_read_socket. */
4140 /* Record the last 100 characters stored
4141 to help debug the loss-of-chars-during-GC problem. */
4143 static int temp_index
;
4144 static short temp_buffer
[100];
4146 /* Temporarily store lead byte of DBCS input sequences. */
4147 static char dbcs_lead
= 0;
4149 /* Read events coming from the W32 shell.
4150 This routine is called by the SIGIO handler.
4151 We return as soon as there are no more events to be read.
4153 For an overview of how Emacs input works on MS-Windows, see the
4154 commentary before w32_msg_pump in w32fns.c.
4156 We return the number of characters stored into the buffer,
4157 thus pretending to be `read'.
4159 Some of these messages are reposted back to the message queue since the
4160 system calls the windows proc directly in a context where we cannot return
4161 the data nor can we guarantee the state we are in. So if we dispatch them
4162 we will get into an infinite loop. To prevent this from ever happening we
4163 will set a variable to indicate we are in the read_socket call and indicate
4164 which message we are processing since the windows proc gets called
4165 recursively with different messages by the system.
4169 w32_read_socket (struct terminal
*terminal
,
4170 struct input_event
*hold_quit
)
4173 int check_visibility
= 0;
4176 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4177 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4182 /* So people can tell when we have read the available input. */
4183 input_signal_count
++;
4185 /* Process any incoming thread messages. */
4186 drain_message_queue ();
4188 /* TODO: ghostscript integration. */
4189 while (get_next_msg (&msg
, FALSE
))
4191 struct input_event inev
;
4194 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4195 /* w32_name_of_message (msg.msg.message), */
4196 /* msg.msg.time)); */
4199 inev
.kind
= NO_EVENT
;
4202 switch (msg
.msg
.message
)
4204 case WM_EMACS_PAINT
:
4205 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4209 if (msg
.rect
.right
== msg
.rect
.left
||
4210 msg
.rect
.bottom
== msg
.rect
.top
)
4212 /* We may get paint messages even though the client
4213 area is clipped - these are not expose events. */
4214 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4217 else if (f
->async_visible
!= 1)
4219 /* Definitely not obscured, so mark as visible. */
4220 f
->async_visible
= 1;
4221 f
->async_iconified
= 0;
4222 SET_FRAME_GARBAGED (f
);
4223 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4226 /* WM_PAINT serves as MapNotify as well, so report
4227 visibility changes properly. */
4230 inev
.kind
= DEICONIFY_EVENT
;
4231 XSETFRAME (inev
.frame_or_window
, f
);
4233 else if (! NILP (Vframe_list
)
4234 && ! NILP (XCDR (Vframe_list
)))
4235 /* Force a redisplay sooner or later to update the
4236 frame titles in case this is the second frame. */
4237 record_asynch_buffer_change ();
4241 HDC hdc
= get_frame_dc (f
);
4243 /* Erase background again for safety. */
4244 w32_clear_rect (f
, hdc
, &msg
.rect
);
4245 release_frame_dc (f
, hdc
);
4249 msg
.rect
.right
- msg
.rect
.left
,
4250 msg
.rect
.bottom
- msg
.rect
.top
);
4255 case WM_INPUTLANGCHANGE
:
4256 /* Generate a language change event. */
4257 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4259 /* lParam contains the input language ID in its low 16 bits.
4260 Use it to update our record of the keyboard codepage. */
4261 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4266 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4267 XSETFRAME (inev
.frame_or_window
, f
);
4268 inev
.code
= w32_keyboard_codepage
;
4269 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4275 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4277 if (f
&& !f
->iconified
)
4279 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4280 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4282 clear_mouse_face (hlinfo
);
4283 hlinfo
->mouse_face_hidden
= 1;
4286 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4288 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4289 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4290 inev
.code
= msg
.msg
.wParam
;
4291 inev
.modifiers
= msg
.dwModifiers
;
4292 XSETFRAME (inev
.frame_or_window
, f
);
4293 inev
.timestamp
= msg
.msg
.time
;
4300 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4302 if (f
&& !f
->iconified
)
4304 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4305 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4307 clear_mouse_face (hlinfo
);
4308 hlinfo
->mouse_face_hidden
= 1;
4311 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4313 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4315 inev
.modifiers
= msg
.dwModifiers
;
4316 XSETFRAME (inev
.frame_or_window
, f
);
4317 inev
.timestamp
= msg
.msg
.time
;
4319 if (msg
.msg
.message
== WM_UNICHAR
)
4321 inev
.code
= msg
.msg
.wParam
;
4323 else if (msg
.msg
.wParam
< 256)
4328 dbcs
[1] = (char) msg
.msg
.wParam
;
4332 dbcs
[0] = dbcs_lead
;
4334 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4338 DebPrint (("Invalid DBCS sequence: %d %d\n",
4340 inev
.kind
= NO_EVENT
;
4344 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4345 (BYTE
) msg
.msg
.wParam
))
4347 dbcs_lead
= (char) msg
.msg
.wParam
;
4348 inev
.kind
= NO_EVENT
;
4353 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4354 &dbcs
[1], 1, &code
, 1))
4356 /* What to do with garbage? */
4357 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4358 inev
.kind
= NO_EVENT
;
4366 /* Windows shouldn't generate WM_CHAR events above 0xFF
4367 in non-Unicode message handlers. */
4368 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4369 inev
.kind
= NO_EVENT
;
4372 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4373 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4378 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4380 if (f
&& !f
->iconified
)
4382 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4383 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4385 clear_mouse_face (hlinfo
);
4386 hlinfo
->mouse_face_hidden
= 1;
4389 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4391 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4392 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4393 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4394 inev
.modifiers
= msg
.dwModifiers
;
4395 XSETFRAME (inev
.frame_or_window
, f
);
4396 inev
.timestamp
= msg
.msg
.time
;
4401 /* Ignore non-movement. */
4403 int x
= LOWORD (msg
.msg
.lParam
);
4404 int y
= HIWORD (msg
.msg
.lParam
);
4405 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4407 last_mousemove_x
= x
;
4408 last_mousemove_y
= y
;
4411 previous_help_echo_string
= help_echo_string
;
4412 help_echo_string
= Qnil
;
4414 if (dpyinfo
->grabbed
&& last_mouse_frame
4415 && FRAME_LIVE_P (last_mouse_frame
))
4416 f
= last_mouse_frame
;
4418 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4420 if (hlinfo
->mouse_face_hidden
)
4422 hlinfo
->mouse_face_hidden
= 0;
4423 clear_mouse_face (hlinfo
);
4428 /* Generate SELECT_WINDOW_EVENTs when needed. */
4429 if (!NILP (Vmouse_autoselect_window
))
4432 int x
= LOWORD (msg
.msg
.lParam
);
4433 int y
= HIWORD (msg
.msg
.lParam
);
4435 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4437 /* Window will be selected only when it is not
4438 selected now and last mouse movement event was
4439 not in it. Minibuffer window will be selected
4440 only when it is active. */
4441 if (WINDOWP (window
)
4442 && !EQ (window
, last_window
)
4443 && !EQ (window
, selected_window
)
4444 /* For click-to-focus window managers
4445 create event iff we don't leave the
4447 && (focus_follows_mouse
4448 || (EQ (XWINDOW (window
)->frame
,
4449 XWINDOW (selected_window
)->frame
))))
4451 inev
.kind
= SELECT_WINDOW_EVENT
;
4452 inev
.frame_or_window
= window
;
4455 last_window
= window
;
4457 if (!note_mouse_movement (f
, &msg
.msg
))
4458 help_echo_string
= previous_help_echo_string
;
4462 /* If we move outside the frame, then we're
4463 certainly no longer on any text in the frame. */
4464 clear_mouse_face (hlinfo
);
4467 /* If the contents of the global variable help_echo_string
4468 has changed, generate a HELP_EVENT. */
4469 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4470 But it was originally changed to this to fix a bug, so I have
4471 not removed it completely in case the bug is still there. */
4472 if (help_echo_string
!= previous_help_echo_string
||
4473 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4474 #else /* This is what xterm.c does. */
4475 if (!NILP (help_echo_string
)
4476 || !NILP (previous_help_echo_string
))
4481 case WM_LBUTTONDOWN
:
4483 case WM_MBUTTONDOWN
:
4485 case WM_RBUTTONDOWN
:
4487 case WM_XBUTTONDOWN
:
4490 /* If we decide we want to generate an event to be seen
4491 by the rest of Emacs, we put it here. */
4496 if (dpyinfo
->grabbed
&& last_mouse_frame
4497 && FRAME_LIVE_P (last_mouse_frame
))
4498 f
= last_mouse_frame
;
4500 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4504 construct_mouse_click (&inev
, &msg
, f
);
4506 /* Is this in the tool-bar? */
4507 if (WINDOWP (f
->tool_bar_window
)
4508 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4511 int x
= XFASTINT (inev
.x
);
4512 int y
= XFASTINT (inev
.y
);
4514 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4516 if (EQ (window
, f
->tool_bar_window
))
4518 w32_handle_tool_bar_click (f
, &inev
);
4524 || (dpyinfo
->w32_focus_frame
4525 && f
!= dpyinfo
->w32_focus_frame
))
4526 inev
.kind
= NO_EVENT
;
4529 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4534 dpyinfo
->grabbed
&= ~ (1 << button
);
4538 dpyinfo
->grabbed
|= (1 << button
);
4539 last_mouse_frame
= f
;
4540 /* Ignore any mouse motion that happened
4541 before this event; any subsequent mouse-movement
4542 Emacs events should reflect only motion after
4548 last_tool_bar_item
= -1;
4554 case WM_MOUSEHWHEEL
:
4556 if (dpyinfo
->grabbed
&& last_mouse_frame
4557 && FRAME_LIVE_P (last_mouse_frame
))
4558 f
= last_mouse_frame
;
4560 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4565 if (!dpyinfo
->w32_focus_frame
4566 || f
== dpyinfo
->w32_focus_frame
)
4568 /* Emit an Emacs wheel-up/down event. */
4569 construct_mouse_wheel (&inev
, &msg
, f
);
4571 /* Ignore any mouse motion that happened before this
4572 event; any subsequent mouse-movement Emacs events
4573 should reflect only motion after the
4577 last_mouse_frame
= f
;
4578 last_tool_bar_item
= -1;
4583 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4586 construct_drag_n_drop (&inev
, &msg
, f
);
4591 struct scroll_bar
*bar
=
4592 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4595 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4599 case WM_WINDOWPOSCHANGED
:
4600 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4603 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4604 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4606 check_visibility
= 1;
4610 case WM_ACTIVATEAPP
:
4611 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4613 x_check_fullscreen (f
);
4614 check_visibility
= 1;
4618 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4620 if (f
&& !f
->async_iconified
)
4624 x_real_positions (f
, &x
, &y
);
4629 check_visibility
= 1;
4633 /* wParam non-zero means Window is about to be shown, 0 means
4634 about to be hidden. */
4635 /* Redo the mouse-highlight after the tooltip has gone. */
4636 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4639 redo_mouse_highlight ();
4642 /* If window has been obscured or exposed by another window
4643 being maximized or minimized/restored, then recheck
4644 visibility of all frames. Direct changes to our own
4645 windows get handled by WM_SIZE. */
4647 if (msg
.msg
.lParam
!= 0)
4648 check_visibility
= 1;
4651 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4652 f
->async_visible
= msg
.msg
.wParam
;
4656 check_visibility
= 1;
4660 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4662 /* Inform lisp of whether frame has been iconified etc. */
4665 switch (msg
.msg
.wParam
)
4667 case SIZE_MINIMIZED
:
4668 f
->async_visible
= 0;
4669 f
->async_iconified
= 1;
4671 inev
.kind
= ICONIFY_EVENT
;
4672 XSETFRAME (inev
.frame_or_window
, f
);
4675 case SIZE_MAXIMIZED
:
4677 f
->async_visible
= 1;
4678 f
->async_iconified
= 0;
4680 /* wait_reading_process_output will notice this and update
4681 the frame's display structures. */
4682 SET_FRAME_GARBAGED (f
);
4688 /* Reset top and left positions of the Window
4689 here since Windows sends a WM_MOVE message
4690 BEFORE telling us the Window is minimized
4691 when the Window is iconified, with 3000,3000
4693 x_real_positions (f
, &x
, &y
);
4697 inev
.kind
= DEICONIFY_EVENT
;
4698 XSETFRAME (inev
.frame_or_window
, f
);
4700 else if (! NILP (Vframe_list
)
4701 && ! NILP (XCDR (Vframe_list
)))
4702 /* Force a redisplay sooner or later
4703 to update the frame titles
4704 in case this is the second frame. */
4705 record_asynch_buffer_change ();
4710 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4718 GetClientRect (msg
.msg
.hwnd
, &rect
);
4720 height
= rect
.bottom
- rect
.top
;
4721 width
= rect
.right
- rect
.left
;
4723 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4724 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4726 /* TODO: Clip size to the screen dimensions. */
4728 /* Even if the number of character rows and columns has
4729 not changed, the font size may have changed, so we need
4730 to check the pixel dimensions as well. */
4732 if (columns
!= FRAME_COLS (f
)
4733 || rows
!= FRAME_LINES (f
)
4734 || width
!= FRAME_PIXEL_WIDTH (f
)
4735 || height
!= FRAME_PIXEL_HEIGHT (f
))
4737 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4738 SET_FRAME_GARBAGED (f
);
4739 cancel_mouse_face (f
);
4740 FRAME_PIXEL_WIDTH (f
) = width
;
4741 FRAME_PIXEL_HEIGHT (f
) = height
;
4742 f
->win_gravity
= NorthWestGravity
;
4746 check_visibility
= 1;
4750 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4753 if (f
== hlinfo
->mouse_face_mouse_frame
)
4755 /* If we move outside the frame, then we're
4756 certainly no longer on any text in the frame. */
4757 clear_mouse_face (hlinfo
);
4758 hlinfo
->mouse_face_mouse_frame
= 0;
4761 /* Generate a nil HELP_EVENT to cancel a help-echo.
4762 Do it only if there's something to cancel.
4763 Otherwise, the startup message is cleared when
4764 the mouse leaves the frame. */
4765 if (any_help_event_p
)
4771 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4773 dpyinfo
->grabbed
= 0;
4774 check_visibility
= 1;
4778 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4782 if (f
== dpyinfo
->w32_focus_event_frame
)
4783 dpyinfo
->w32_focus_event_frame
= 0;
4785 if (f
== dpyinfo
->w32_focus_frame
)
4786 x_new_focus_frame (dpyinfo
, 0);
4788 if (f
== hlinfo
->mouse_face_mouse_frame
)
4790 /* If we move outside the frame, then we're
4791 certainly no longer on any text in the frame. */
4792 clear_mouse_face (hlinfo
);
4793 hlinfo
->mouse_face_mouse_frame
= 0;
4796 /* Generate a nil HELP_EVENT to cancel a help-echo.
4797 Do it only if there's something to cancel.
4798 Otherwise, the startup message is cleared when
4799 the mouse leaves the frame. */
4800 if (any_help_event_p
)
4804 dpyinfo
->grabbed
= 0;
4805 check_visibility
= 1;
4809 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4813 inev
.kind
= DELETE_WINDOW_EVENT
;
4814 XSETFRAME (inev
.frame_or_window
, f
);
4819 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4823 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4824 XSETFRAME (inev
.frame_or_window
, f
);
4829 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4833 extern void menubar_selection_callback
4834 (FRAME_PTR f
, void * client_data
);
4835 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4838 check_visibility
= 1;
4841 case WM_DISPLAYCHANGE
:
4842 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4846 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4847 DebPrint (("display change: %d %d\n",
4848 (short) LOWORD (msg
.msg
.lParam
),
4849 (short) HIWORD (msg
.msg
.lParam
)));
4852 check_visibility
= 1;
4856 /* Check for messages registered at runtime. */
4857 if (msg
.msg
.message
== msh_mousewheel
)
4859 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4860 msg
.msg
.message
= WM_MOUSEWHEEL
;
4866 if (inev
.kind
!= NO_EVENT
)
4868 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4873 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4878 XSETFRAME (frame
, f
);
4884 if (NILP (help_echo_string
))
4886 help_echo_object
= help_echo_window
= Qnil
;
4890 any_help_event_p
= 1;
4891 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4892 help_echo_object
, help_echo_pos
);
4896 help_echo_string
= Qnil
;
4897 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4903 /* If the focus was just given to an autoraising frame,
4905 /* ??? This ought to be able to handle more than one such frame. */
4906 if (pending_autoraise_frame
)
4908 x_raise_frame (pending_autoraise_frame
);
4909 pending_autoraise_frame
= 0;
4912 /* Check which frames are still visible, if we have enqueued any user
4913 events or been notified of events that may affect visibility. We
4914 do this here because there doesn't seem to be any direct
4915 notification from Windows that the visibility of a window has
4916 changed (at least, not in all cases). */
4917 if (count
> 0 || check_visibility
)
4919 Lisp_Object tail
, frame
;
4921 FOR_EACH_FRAME (tail
, frame
)
4923 FRAME_PTR f
= XFRAME (frame
);
4924 /* The tooltip has been drawn already. Avoid the
4925 SET_FRAME_GARBAGED below. */
4926 if (EQ (frame
, tip_frame
))
4929 /* Check "visible" frames and mark each as obscured or not.
4930 Note that async_visible is nonzero for unobscured and
4931 obscured frames, but zero for hidden and iconified frames. */
4932 if (FRAME_W32_P (f
) && f
->async_visible
)
4938 /* Query clipping rectangle for the entire window area
4939 (GetWindowDC), not just the client portion (GetDC).
4940 Otherwise, the scrollbars and menubar aren't counted as
4941 part of the visible area of the frame, and we may think
4942 the frame is obscured when really a scrollbar is still
4943 visible and gets WM_PAINT messages above. */
4944 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4945 GetClipBox (hdc
, &clipbox
);
4946 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4949 if (clipbox
.right
== clipbox
.left
4950 || clipbox
.bottom
== clipbox
.top
)
4952 /* Frame has become completely obscured so mark as
4953 such (we do this by setting async_visible to 2 so
4954 that FRAME_VISIBLE_P is still true, but redisplay
4956 f
->async_visible
= 2;
4958 if (!FRAME_OBSCURED_P (f
))
4960 DebPrint (("frame %p (%s) obscured\n", f
,
4966 /* Frame is not obscured, so mark it as such. */
4967 f
->async_visible
= 1;
4969 if (FRAME_OBSCURED_P (f
))
4971 SET_FRAME_GARBAGED (f
);
4972 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4975 /* Force a redisplay sooner or later. */
4976 record_asynch_buffer_change ();
4989 /***********************************************************************
4991 ***********************************************************************/
4993 /* Set clipping for output in glyph row ROW. W is the window in which
4994 we operate. GC is the graphics context to set clipping in.
4996 ROW may be a text row or, e.g., a mode line. Text rows must be
4997 clipped to the interior of the window dedicated to text display,
4998 mode lines must be clipped to the whole window. */
5001 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
, int area
, HDC hdc
)
5004 int window_x
, window_y
, window_width
;
5006 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5008 clip_rect
.left
= window_x
;
5009 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5010 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5011 clip_rect
.right
= clip_rect
.left
+ window_width
;
5012 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5014 w32_set_clip_rectangle (hdc
, &clip_rect
);
5018 /* Draw a hollow box cursor on window W in glyph row ROW. */
5021 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5023 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5027 struct glyph
*cursor_glyph
;
5028 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5030 /* Get the glyph the cursor is on. If we can't tell because
5031 the current matrix is invalid or such, give up. */
5032 cursor_glyph
= get_phys_cursor_glyph (w
);
5033 if (cursor_glyph
== NULL
)
5036 /* Compute frame-relative coordinates for phys cursor. */
5037 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5040 rect
.bottom
= rect
.top
+ h
;
5041 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5043 hdc
= get_frame_dc (f
);
5044 /* Set clipping, draw the rectangle, and reset clipping again. */
5045 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5046 FrameRect (hdc
, &rect
, hb
);
5048 w32_set_clip_rectangle (hdc
, NULL
);
5049 release_frame_dc (f
, hdc
);
5053 /* Draw a bar cursor on window W in glyph row ROW.
5055 Implementation note: One would like to draw a bar cursor with an
5056 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5057 Unfortunately, I didn't find a font yet that has this property set.
5061 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5062 int width
, enum text_cursor_kinds kind
)
5064 struct frame
*f
= XFRAME (w
->frame
);
5065 struct glyph
*cursor_glyph
;
5067 /* If cursor is out of bounds, don't draw garbage. This can happen
5068 in mini-buffer windows when switching between echo area glyphs
5070 cursor_glyph
= get_phys_cursor_glyph (w
);
5071 if (cursor_glyph
== NULL
)
5074 /* If on an image, draw like a normal cursor. That's usually better
5075 visible than drawing a bar, esp. if the image is large so that
5076 the bar might not be in the window. */
5077 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5079 struct glyph_row
*row
;
5080 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5081 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5085 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5086 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5090 /* If the glyph's background equals the color we normally draw
5091 the bar cursor in, the bar cursor in its normal color is
5092 invisible. Use the glyph's foreground color instead in this
5093 case, on the assumption that the glyph's colors are chosen so
5094 that the glyph is legible. */
5095 if (face
->background
== cursor_color
)
5096 cursor_color
= face
->foreground
;
5098 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5100 hdc
= get_frame_dc (f
);
5101 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5103 if (kind
== BAR_CURSOR
)
5106 width
= FRAME_CURSOR_WIDTH (f
);
5107 width
= min (cursor_glyph
->pixel_width
, width
);
5109 w
->phys_cursor_width
= width
;
5111 /* If the character under cursor is R2L, draw the bar cursor
5112 on the right of its glyph, rather than on the left. */
5113 if ((cursor_glyph
->resolved_level
& 1) != 0)
5114 x
+= cursor_glyph
->pixel_width
- width
;
5116 w32_fill_area (f
, hdc
, cursor_color
, x
,
5117 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5118 width
, row
->height
);
5122 int dummy_x
, dummy_y
, dummy_h
;
5125 width
= row
->height
;
5127 width
= min (row
->height
, width
);
5129 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5130 &dummy_y
, &dummy_h
);
5131 w32_fill_area (f
, hdc
, cursor_color
, x
,
5132 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5133 row
->height
- width
),
5134 w
->phys_cursor_width
, width
);
5137 w32_set_clip_rectangle (hdc
, NULL
);
5138 release_frame_dc (f
, hdc
);
5143 /* RIF: Define cursor CURSOR on frame F. */
5146 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5148 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5152 /* RIF: Clear area on frame F. */
5155 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5159 hdc
= get_frame_dc (f
);
5160 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5161 release_frame_dc (f
, hdc
);
5164 /* RIF: Draw or clear cursor on window W. */
5167 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5168 int x
, int y
, int cursor_type
, int cursor_width
,
5169 int on_p
, int active_p
)
5173 /* If the user wants to use the system caret, make sure our own
5174 cursor remains invisible. */
5175 if (w32_use_visible_system_caret
)
5177 /* Call to erase_phys_cursor here seems to use the
5178 wrong values of w->phys_cursor, as they have been
5179 overwritten before this function was called. */
5180 if (w
->phys_cursor_type
!= NO_CURSOR
)
5181 erase_phys_cursor (w
);
5183 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5184 w
->phys_cursor_width
= -1;
5188 w
->phys_cursor_type
= cursor_type
;
5191 w
->phys_cursor_on_p
= 1;
5193 /* If this is the active cursor, we need to track it with the
5194 system caret, so third party software like screen magnifiers
5195 and speech synthesizers can follow the cursor. */
5198 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5199 HWND hwnd
= FRAME_W32_WINDOW (f
);
5202 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5204 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5205 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5207 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5209 /* If the size of the active cursor changed, destroy the old
5211 if (w32_system_caret_hwnd
5212 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5213 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5215 w32_system_caret_height
= w
->phys_cursor_height
;
5217 /* Move the system caret. */
5218 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5221 if (glyph_row
->exact_window_width_line_p
5222 && (glyph_row
->reversed_p
5223 ? (w
->phys_cursor
.hpos
< 0)
5224 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5226 glyph_row
->cursor_in_fringe_p
= 1;
5227 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5231 switch (cursor_type
)
5233 case HOLLOW_BOX_CURSOR
:
5234 x_draw_hollow_cursor (w
, glyph_row
);
5237 case FILLED_BOX_CURSOR
:
5238 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5242 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5246 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5250 w
->phys_cursor_width
= 0;
5264 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5267 HANDLE small_icon
= NULL
;
5269 if (FRAME_W32_WINDOW (f
) == 0)
5273 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5274 else if (STRINGP (icon
))
5276 /* Load the main icon from the named file. */
5277 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5278 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5279 /* Try to load a small icon to go with it. */
5280 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5281 GetSystemMetrics (SM_CXSMICON
),
5282 GetSystemMetrics (SM_CYSMICON
),
5285 else if (SYMBOLP (icon
))
5289 if (EQ (icon
, intern ("application")))
5290 name
= (LPCTSTR
) IDI_APPLICATION
;
5291 else if (EQ (icon
, intern ("hand")))
5292 name
= (LPCTSTR
) IDI_HAND
;
5293 else if (EQ (icon
, intern ("question")))
5294 name
= (LPCTSTR
) IDI_QUESTION
;
5295 else if (EQ (icon
, intern ("exclamation")))
5296 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5297 else if (EQ (icon
, intern ("asterisk")))
5298 name
= (LPCTSTR
) IDI_ASTERISK
;
5299 else if (EQ (icon
, intern ("winlogo")))
5300 name
= (LPCTSTR
) IDI_WINLOGO
;
5304 main_icon
= LoadIcon (NULL
, name
);
5309 if (main_icon
== NULL
)
5312 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5313 (LPARAM
) main_icon
);
5315 /* If there is a small icon that goes with it, set that too. */
5317 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5318 (LPARAM
) small_icon
);
5324 /************************************************************************
5326 ************************************************************************/
5328 /* Display Error Handling functions not used on W32. Listing them here
5329 helps diff stay in step when comparing w32term.c with xterm.c.
5331 x_error_catcher (display, error)
5332 x_catch_errors (dpy)
5333 x_catch_errors_unwind (old_val)
5334 x_check_errors (dpy, format)
5335 x_fully_uncatch_errors ()
5336 x_had_errors_p (dpy)
5337 x_clear_errors (dpy)
5338 x_uncatch_errors (dpy, count)
5340 x_connection_signal (signalnum)
5341 x_connection_closed (dpy, error_message)
5342 x_error_quitter (display, error)
5343 x_error_handler (display, error)
5344 x_io_error_quitter (display)
5349 /* Changing the font of the frame. */
5352 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5354 struct font
*font
= XFONT_OBJECT (font_object
);
5357 fontset
= fontset_from_font (font_object
);
5358 FRAME_FONTSET (f
) = fontset
;
5359 if (FRAME_FONT (f
) == font
)
5360 /* This font is already set in frame F. There's nothing more to
5364 FRAME_FONT (f
) = font
;
5365 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5366 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5367 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5368 FRAME_LINE_HEIGHT (f
) = font
->height
;
5370 compute_fringe_widths (f
, 1);
5372 /* Compute the scroll bar width in character columns. */
5373 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5375 int wid
= FRAME_COLUMN_WIDTH (f
);
5376 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5377 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5381 int wid
= FRAME_COLUMN_WIDTH (f
);
5382 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5385 /* Now make the frame display the given font. */
5386 if (FRAME_X_WINDOW (f
) != 0)
5388 /* Don't change the size of a tip frame; there's no point in
5389 doing it because it's done in Fx_show_tip, and it leads to
5390 problems because the tip frame has no widget. */
5391 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5392 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5395 /* X version sets font of input methods here also. */
5401 /***********************************************************************
5402 TODO: W32 Input Methods
5403 ***********************************************************************/
5404 /* Listing missing functions from xterm.c helps diff stay in step.
5406 xim_destroy_callback (xim, client_data, call_data)
5407 xim_open_dpy (dpyinfo, resource_name)
5409 xim_instantiate_callback (display, client_data, call_data)
5410 xim_initialize (dpyinfo, resource_name)
5411 xim_close_dpy (dpyinfo)
5416 /* Calculate the absolute position in frame F
5417 from its current recorded position values and gravity. */
5420 x_calc_absolute_position (struct frame
*f
)
5422 int flags
= f
->size_hint_flags
;
5424 /* The sum of the widths of the frame's left and right borders, and
5425 the sum of the heights of the frame's top and bottom borders (in
5426 pixels) drawn by Windows. */
5427 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5429 /* Try to get the actual values of these two variables. We compute
5430 the border width (height) by subtracting the width (height) of
5431 the frame's client area from the width (height) of the frame's
5433 WINDOWPLACEMENT wp
= { 0 };
5434 RECT client_rect
= { 0 };
5436 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5437 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5439 left_right_borders_width
=
5440 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5441 (client_rect
.right
- client_rect
.left
);
5443 top_bottom_borders_height
=
5444 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5445 (client_rect
.bottom
- client_rect
.top
);
5449 /* Use sensible default values. */
5450 left_right_borders_width
= 8;
5451 top_bottom_borders_height
= 32;
5454 /* Treat negative positions as relative to the rightmost bottommost
5455 position that fits on the screen. */
5456 if (flags
& XNegative
)
5457 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5458 - FRAME_PIXEL_WIDTH (f
)
5460 - (left_right_borders_width
- 1));
5462 if (flags
& YNegative
)
5463 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5464 - FRAME_PIXEL_HEIGHT (f
)
5466 - (top_bottom_borders_height
- 1));
5468 /* The left_pos and top_pos are now relative to the top and left
5469 screen edges, so the flags should correspond. */
5470 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5473 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5474 to really change the position, and 0 when calling from
5475 x_make_frame_visible (in that case, XOFF and YOFF are the current
5476 position values). It is -1 when calling from x_set_frame_parameters,
5477 which means, do adjust for borders but don't change the gravity. */
5480 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5483 int modified_top
, modified_left
;
5485 if (change_gravity
> 0)
5489 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5491 f
->size_hint_flags
|= XNegative
;
5493 f
->size_hint_flags
|= YNegative
;
5494 f
->win_gravity
= NorthWestGravity
;
5496 x_calc_absolute_position (f
);
5499 x_wm_set_size_hint (f
, (long) 0, 0);
5501 modified_left
= f
->left_pos
;
5502 modified_top
= f
->top_pos
;
5504 my_set_window_pos (FRAME_W32_WINDOW (f
),
5506 modified_left
, modified_top
,
5508 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5513 /* Check if we need to resize the frame due to a fullscreen request.
5514 If so needed, resize the frame. */
5516 x_check_fullscreen (struct frame
*f
)
5518 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5520 int width
, height
, ign
;
5522 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5524 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5526 /* We do not need to move the window, it shall be taken care of
5527 when setting WM manager hints. */
5528 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5530 change_frame_size (f
, height
, width
, 0, 1, 0);
5531 SET_FRAME_GARBAGED (f
);
5532 cancel_mouse_face (f
);
5534 /* Wait for the change of frame size to occur. */
5535 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5540 /* Call this to change the size of frame F's x-window.
5541 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5542 for this size change and subsequent size changes.
5543 Otherwise we leave the window gravity unchanged. */
5546 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5548 int pixelwidth
, pixelheight
;
5552 check_frame_size (f
, &rows
, &cols
);
5553 f
->scroll_bar_actual_width
5554 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5556 compute_fringe_widths (f
, 0);
5558 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5559 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5561 f
->win_gravity
= NorthWestGravity
;
5562 x_wm_set_size_hint (f
, (long) 0, 0);
5567 rect
.left
= rect
.top
= 0;
5568 rect
.right
= pixelwidth
;
5569 rect
.bottom
= pixelheight
;
5571 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5572 FRAME_EXTERNAL_MENU_BAR (f
));
5574 my_set_window_pos (FRAME_W32_WINDOW (f
),
5577 rect
.right
- rect
.left
,
5578 rect
.bottom
- rect
.top
,
5579 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5583 /* The following mirrors what is done in xterm.c. It appears to be
5584 for informing lisp of the new size immediately, while the actual
5585 resize will happen asynchronously. But on Windows, the menu bar
5586 automatically wraps when the frame is too narrow to contain it,
5587 and that causes any calculations made here to come out wrong. The
5588 end is some nasty buggy behavior, including the potential loss
5591 Disabling this code is either not sufficient to fix the problems
5592 completely, or it causes fresh problems, but at least it removes
5593 the most problematic symptom of the minibuffer becoming unusable.
5595 -----------------------------------------------------------------
5597 Now, strictly speaking, we can't be sure that this is accurate,
5598 but the window manager will get around to dealing with the size
5599 change request eventually, and we'll hear how it went when the
5600 ConfigureNotify event gets here.
5602 We could just not bother storing any of this information here,
5603 and let the ConfigureNotify event set everything up, but that
5604 might be kind of confusing to the Lisp code, since size changes
5605 wouldn't be reported in the frame parameters until some random
5606 point in the future when the ConfigureNotify event arrives.
5608 We pass 1 for DELAY since we can't run Lisp code inside of
5610 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5611 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5612 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5614 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5615 receive in the ConfigureNotify event; if we get what we asked
5616 for, then the event won't cause the screen to become garbaged, so
5617 we have to make sure to do it here. */
5618 SET_FRAME_GARBAGED (f
);
5620 /* If cursor was outside the new size, mark it as off. */
5621 mark_window_cursors_off (XWINDOW (f
->root_window
));
5623 /* Clear out any recollection of where the mouse highlighting was,
5624 since it might be in a place that's outside the new frame size.
5625 Actually checking whether it is outside is a pain in the neck,
5626 so don't try--just let the highlighting be done afresh with new size. */
5627 cancel_mouse_face (f
);
5633 /* Mouse warping. */
5635 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5638 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5642 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5643 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5645 if (pix_x
< 0) pix_x
= 0;
5646 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5648 if (pix_y
< 0) pix_y
= 0;
5649 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5651 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5655 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5662 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5663 pt
.x
= rect
.left
+ pix_x
;
5664 pt
.y
= rect
.top
+ pix_y
;
5665 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5667 SetCursorPos (pt
.x
, pt
.y
);
5673 /* focus shifting, raising and lowering. */
5676 x_focus_on_frame (struct frame
*f
)
5678 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5680 /* Give input focus to frame. */
5683 /* Try not to change its Z-order if possible. */
5684 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5685 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5688 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5693 x_unfocus_frame (struct frame
*f
)
5697 /* Raise frame F. */
5699 x_raise_frame (struct frame
*f
)
5703 /* Strictly speaking, raise-frame should only change the frame's Z
5704 order, leaving input focus unchanged. This is reasonable behavior
5705 on X where the usual policy is point-to-focus. However, this
5706 behavior would be very odd on Windows where the usual policy is
5709 On X, if the mouse happens to be over the raised frame, it gets
5710 input focus anyway (so the window with focus will never be
5711 completely obscured) - if not, then just moving the mouse over it
5712 is sufficient to give it focus. On Windows, the user must actually
5713 click on the frame (preferably the title bar so as not to move
5714 point), which is more awkward. Also, no other Windows program
5715 raises a window to the top but leaves another window (possibly now
5716 completely obscured) with input focus.
5718 Because there is a system setting on Windows that allows the user
5719 to choose the point to focus policy, we make the strict semantics
5720 optional, but by default we grab focus when raising. */
5722 if (NILP (Vw32_grab_focus_on_raise
))
5724 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5725 not already the foreground application: the frame is raised
5726 above all other frames belonging to us, but not above the
5727 current top window. To achieve that, we have to resort to this
5728 more cumbersome method. */
5730 HDWP handle
= BeginDeferWindowPos (2);
5733 handle
= DeferWindowPos (handle
,
5734 FRAME_W32_WINDOW (f
),
5737 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5740 handle
= DeferWindowPos (handle
,
5741 GetForegroundWindow (),
5742 FRAME_W32_WINDOW (f
),
5744 SWP_NOSIZE
| SWP_NOMOVE
|
5747 EndDeferWindowPos (handle
);
5753 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5759 /* Lower frame F. */
5761 x_lower_frame (struct frame
*f
)
5764 my_set_window_pos (FRAME_W32_WINDOW (f
),
5767 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5772 w32_frame_raise_lower (FRAME_PTR f
, int raise_flag
)
5774 if (! FRAME_W32_P (f
))
5783 /* Change of visibility. */
5785 /* This tries to wait until the frame is really visible.
5786 However, if the window manager asks the user where to position
5787 the frame, this will return before the user finishes doing that.
5788 The frame will not actually be visible at that time,
5789 but it will become visible later when the window manager
5790 finishes with it. */
5793 x_make_frame_visible (struct frame
*f
)
5799 type
= x_icon_type (f
);
5801 x_bitmap_icon (f
, type
);
5803 if (! FRAME_VISIBLE_P (f
))
5805 /* We test FRAME_GARBAGED_P here to make sure we don't
5806 call x_set_offset a second time
5807 if we get to x_make_frame_visible a second time
5808 before the window gets really visible. */
5809 if (! FRAME_ICONIFIED_P (f
)
5810 && ! f
->output_data
.w32
->asked_for_visible
)
5815 /* Adjust vertical window position in order to avoid being
5816 covered by a task bar placed at the bottom of the desktop. */
5817 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5818 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5819 if (window_rect
.bottom
> workarea_rect
.bottom
5820 && window_rect
.top
> workarea_rect
.top
)
5821 f
->top_pos
= max (window_rect
.top
5822 - window_rect
.bottom
+ workarea_rect
.bottom
,
5825 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5828 f
->output_data
.w32
->asked_for_visible
= 1;
5830 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5831 causes unexpected behavior when unminimizing frames that were
5832 previously maximized. But only SW_SHOWNORMAL works properly for
5833 frames that were truely hidden (using make-frame-invisible), so
5834 we need it to avoid Bug#5482. It seems that async_iconified
5835 is only set for minimized windows that are still visible, so
5836 use that to determine the appropriate flag to pass ShowWindow. */
5837 my_show_window (f
, FRAME_W32_WINDOW (f
),
5838 f
->async_iconified
? SW_RESTORE
: SW_SHOWNORMAL
);
5841 /* Synchronize to ensure Emacs knows the frame is visible
5842 before we do anything else. We do this loop with input not blocked
5843 so that incoming events are handled. */
5848 /* This must come after we set COUNT. */
5851 XSETFRAME (frame
, f
);
5853 /* Wait until the frame is visible. Process X events until a
5854 MapNotify event has been seen, or until we think we won't get a
5855 MapNotify at all.. */
5856 for (count
= input_signal_count
+ 10;
5857 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5859 /* Force processing of queued events. */
5860 /* TODO: x_sync equivalent? */
5862 /* Machines that do polling rather than SIGIO have been observed
5863 to go into a busy-wait here. So we'll fake an alarm signal
5864 to let the handler know that there's something to be read.
5865 We used to raise a real alarm, but it seems that the handler
5866 isn't always enabled here. This is probably a bug. */
5867 if (input_polling_used ())
5869 /* It could be confusing if a real alarm arrives while processing
5870 the fake one. Turn it off and let the handler reset it. */
5871 int old_poll_suppress_count
= poll_suppress_count
;
5872 poll_suppress_count
= 1;
5873 poll_for_input_1 ();
5874 poll_suppress_count
= old_poll_suppress_count
;
5877 FRAME_SAMPLE_VISIBILITY (f
);
5881 /* Change from mapped state to withdrawn state. */
5883 /* Make the frame visible (mapped and not iconified). */
5886 x_make_frame_invisible (struct frame
*f
)
5888 /* Don't keep the highlight on an invisible frame. */
5889 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5890 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5894 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5896 /* We can't distinguish this from iconification
5897 just by the event that we get from the server.
5898 So we can't win using the usual strategy of letting
5899 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5900 and synchronize with the server to make sure we agree. */
5902 FRAME_ICONIFIED_P (f
) = 0;
5903 f
->async_visible
= 0;
5904 f
->async_iconified
= 0;
5909 /* Change window state from mapped to iconified. */
5912 x_iconify_frame (struct frame
*f
)
5916 /* Don't keep the highlight on an invisible frame. */
5917 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5918 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5920 if (f
->async_iconified
)
5925 type
= x_icon_type (f
);
5927 x_bitmap_icon (f
, type
);
5929 /* Simulate the user minimizing the frame. */
5930 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5936 /* Free X resources of frame F. */
5939 x_free_frame_resources (struct frame
*f
)
5941 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5942 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
5946 /* We must free faces before destroying windows because some
5947 font-driver (e.g. xft) access a window while finishing a
5949 if (FRAME_FACE_CACHE (f
))
5950 free_frame_faces (f
);
5952 if (FRAME_W32_WINDOW (f
))
5953 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5955 free_frame_menubar (f
);
5957 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5958 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5959 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5960 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5961 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5962 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5963 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5964 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5965 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5966 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5968 if (FRAME_FACE_CACHE (f
))
5969 free_frame_faces (f
);
5971 xfree (f
->output_data
.w32
);
5972 f
->output_data
.w32
= NULL
;
5974 if (f
== dpyinfo
->w32_focus_frame
)
5975 dpyinfo
->w32_focus_frame
= 0;
5976 if (f
== dpyinfo
->w32_focus_event_frame
)
5977 dpyinfo
->w32_focus_event_frame
= 0;
5978 if (f
== dpyinfo
->x_highlight_frame
)
5979 dpyinfo
->x_highlight_frame
= 0;
5981 if (f
== hlinfo
->mouse_face_mouse_frame
)
5983 hlinfo
->mouse_face_beg_row
5984 = hlinfo
->mouse_face_beg_col
= -1;
5985 hlinfo
->mouse_face_end_row
5986 = hlinfo
->mouse_face_end_col
= -1;
5987 hlinfo
->mouse_face_window
= Qnil
;
5988 hlinfo
->mouse_face_deferred_gc
= 0;
5989 hlinfo
->mouse_face_mouse_frame
= 0;
5996 /* Destroy the window of frame F. */
5998 x_destroy_window (struct frame
*f
)
6000 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6002 x_free_frame_resources (f
);
6003 dpyinfo
->reference_count
--;
6007 /* Setting window manager hints. */
6009 /* Set the normal size hints for the window manager, for frame F.
6010 FLAGS is the flags word to use--or 0 meaning preserve the flags
6011 that the window now has.
6012 If USER_POSITION, set the USPosition
6013 flag (this is useful when FLAGS is 0). */
6015 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6017 Window window
= FRAME_W32_WINDOW (f
);
6021 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6022 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6023 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6024 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6029 /* Window manager things */
6031 x_wm_set_icon_position (struct frame
*f
, int icon_x
, int icon_y
)
6034 Window window
= FRAME_W32_WINDOW (f
);
6036 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6037 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6038 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6040 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6045 /***********************************************************************
6047 ***********************************************************************/
6051 /* Check that FONT is valid on frame F. It is if it can be found in F's
6055 x_check_font (struct frame
*f
, struct font
*font
)
6057 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6058 if (font
->driver
->check
)
6059 eassert (font
->driver
->check (f
, font
) == 0);
6062 #endif /* GLYPH_DEBUG */
6066 /***********************************************************************
6068 ***********************************************************************/
6070 static int w32_initialized
= 0;
6073 w32_initialize_display_info (Lisp_Object display_name
)
6075 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6076 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
6078 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6080 /* Put it on w32_display_name_list. */
6081 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6082 w32_display_name_list
);
6083 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6085 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6086 + SCHARS (Vsystem_name
) + 2);
6087 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6088 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6090 /* Default Console mode values - overridden when running in GUI mode
6091 with values obtained from system metrics. */
6094 dpyinfo
->n_planes
= 1;
6095 dpyinfo
->n_cbits
= 4;
6096 dpyinfo
->n_fonts
= 0;
6097 dpyinfo
->smallest_font_height
= 1;
6098 dpyinfo
->smallest_char_width
= 1;
6100 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
6101 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
6102 hlinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6103 hlinfo
->mouse_face_window
= Qnil
;
6104 hlinfo
->mouse_face_overlay
= Qnil
;
6105 hlinfo
->mouse_face_hidden
= 0;
6107 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6108 /* TODO: dpyinfo->gray */
6112 /* Create an xrdb-style database of resources to supersede registry settings.
6113 The database is just a concatenation of C strings, finished by an additional
6114 \0. The strings are submitted to some basic normalization, so
6116 [ *]option[ *]:[ *]value...
6122 but any whitespace following value is not removed. */
6125 w32_make_rdb (char *xrm_option
)
6127 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6128 char *current
= buffer
;
6131 int before_value
= 0;
6145 if (in_option
&& (ch
== ':'))
6150 else if (before_value
)
6155 else if (!(in_option
|| before_value
))
6167 x_flush (struct frame
* f
)
6168 { /* Nothing to do */ }
6171 extern frame_parm_handler w32_frame_parm_handlers
[];
6173 static struct redisplay_interface w32_redisplay_interface
=
6175 w32_frame_parm_handlers
,
6179 x_clear_end_of_line
,
6181 x_after_update_window_line
,
6182 x_update_window_begin
,
6183 x_update_window_end
,
6186 0, /* flush_display_optional */
6187 x_clear_window_mouse_face
,
6188 x_get_glyph_overhangs
,
6189 x_fix_overlapping_area
,
6190 w32_draw_fringe_bitmap
,
6191 w32_define_fringe_bitmap
,
6192 w32_destroy_fringe_bitmap
,
6193 w32_compute_glyph_string_overhangs
,
6194 x_draw_glyph_string
,
6195 w32_define_frame_cursor
,
6196 w32_clear_frame_area
,
6197 w32_draw_window_cursor
,
6198 w32_draw_vertical_window_border
,
6199 w32_shift_glyphs_for_insert
6202 static void x_delete_terminal (struct terminal
*term
);
6204 static struct terminal
*
6205 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6207 struct terminal
*terminal
;
6209 terminal
= create_terminal ();
6211 terminal
->type
= output_w32
;
6212 terminal
->display_info
.w32
= dpyinfo
;
6213 dpyinfo
->terminal
= terminal
;
6215 /* MSVC does not type K&R functions with no arguments correctly, and
6216 so we must explicitly cast them. */
6217 terminal
->clear_frame_hook
= x_clear_frame
;
6218 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6219 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6220 terminal
->ring_bell_hook
= w32_ring_bell
;
6221 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6222 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6223 terminal
->update_begin_hook
= x_update_begin
;
6224 terminal
->update_end_hook
= x_update_end
;
6225 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6226 terminal
->read_socket_hook
= w32_read_socket
;
6227 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6228 terminal
->mouse_position_hook
= w32_mouse_position
;
6229 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6230 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6231 /* terminal->fullscreen_hook = XTfullscreen_hook; */
6232 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6233 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6234 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6235 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6237 terminal
->delete_frame_hook
= x_destroy_window
;
6238 terminal
->delete_terminal_hook
= x_delete_terminal
;
6240 terminal
->rif
= &w32_redisplay_interface
;
6241 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6242 terminal
->char_ins_del_ok
= 1;
6243 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6244 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6245 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6248 /* We don't yet support separate terminals on W32, so don't try to share
6249 keyboards between virtual terminals that are on the same physical
6250 terminal like X does. */
6251 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6252 init_kboard (terminal
->kboard
);
6253 kset_window_system (terminal
->kboard
, intern ("w32"));
6254 terminal
->kboard
->next_kboard
= all_kboards
;
6255 all_kboards
= terminal
->kboard
;
6256 /* Don't let the initial kboard remain current longer than necessary.
6257 That would cause problems if a file loaded on startup tries to
6258 prompt in the mini-buffer. */
6259 if (current_kboard
== initial_kboard
)
6260 current_kboard
= terminal
->kboard
;
6261 terminal
->kboard
->reference_count
++;
6267 x_delete_terminal (struct terminal
*terminal
)
6269 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6271 /* Protect against recursive calls. delete_frame in
6272 delete_terminal calls us back when it deletes our last frame. */
6273 if (!terminal
->name
)
6278 x_delete_display (dpyinfo
);
6282 struct w32_display_info
*
6283 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6285 struct w32_display_info
*dpyinfo
;
6286 struct terminal
*terminal
;
6291 if (!w32_initialized
)
6294 w32_initialized
= 1;
6297 w32_initialize_display_info (display_name
);
6299 dpyinfo
= &one_w32_display_info
;
6300 terminal
= w32_create_terminal (dpyinfo
);
6302 /* Set the name of the terminal. */
6303 terminal
->name
= xmalloc (SBYTES (display_name
) + 1);
6304 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6305 terminal
->name
[SBYTES (display_name
)] = 0;
6307 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6309 /* Put this display on the chain. */
6310 dpyinfo
->next
= x_display_list
;
6311 x_display_list
= dpyinfo
;
6315 dpyinfo
->root_window
= GetDesktopWindow ();
6316 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6317 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6318 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6319 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6320 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6321 ReleaseDC (NULL
, hdc
);
6323 /* initialize palette with white and black */
6326 w32_defined_color (0, "white", &color
, 1);
6327 w32_defined_color (0, "black", &color
, 1);
6331 /* Add the default keyboard. When !WINDOWSNT, we're using the
6332 standard Emacs console handling machinery and don't need an
6333 explicit FD here. */
6334 add_keyboard_wait_descriptor (0);
6336 /* /dev/windows wakes us up when we have a thread message pending. */
6337 add_keyboard_wait_descriptor (w32_message_fd
);
6340 /* Create Fringe Bitmaps and store them for later use.
6342 On W32, bitmaps are all unsigned short, as Windows requires
6343 bitmap data to be Word aligned. For some reason they are
6344 horizontally reflected compared to how they appear on X, so we
6345 need to bitswap and convert to unsigned shorts before creating
6347 w32_init_fringe (terminal
->rif
);
6354 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6356 x_delete_display (struct w32_display_info
*dpyinfo
)
6358 /* Discard this display from w32_display_name_list and w32_display_list.
6359 We can't use Fdelq because that can quit. */
6360 if (! NILP (w32_display_name_list
)
6361 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6362 w32_display_name_list
= XCDR (w32_display_name_list
);
6367 tail
= w32_display_name_list
;
6368 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6370 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6372 XSETCDR (tail
, XCDR (XCDR (tail
)));
6379 /* free palette table */
6381 struct w32_palette_entry
* plist
;
6383 plist
= dpyinfo
->color_list
;
6386 struct w32_palette_entry
* pentry
= plist
;
6387 plist
= plist
->next
;
6390 dpyinfo
->color_list
= NULL
;
6391 if (dpyinfo
->palette
)
6392 DeleteObject (dpyinfo
->palette
);
6394 xfree (dpyinfo
->w32_id_name
);
6396 w32_reset_fringes ();
6400 /* Set up use of W32. */
6402 DWORD WINAPI
w32_msg_worker (void * arg
);
6405 w32_initialize (void)
6408 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6412 w32_system_caret_hwnd
= NULL
;
6413 w32_system_caret_height
= 0;
6414 w32_system_caret_x
= 0;
6415 w32_system_caret_y
= 0;
6417 /* On Windows 7 and later, we need to set the user model ID
6418 to associate emacsclient launched files with Emacs frames
6420 shell
= GetModuleHandle ("shell32.dll");
6424 = (void *) GetProcAddress (shell
,
6425 "SetCurrentProcessExplicitAppUserModelID");
6427 /* If the function is defined, then we are running on Windows 7
6428 or newer, and the UI uses this to group related windows
6429 together. Since emacs, runemacs, emacsclient are related, we
6430 want them grouped even though the executables are different,
6431 so we need to set a consistent ID between them. */
6433 set_user_model (L
"GNU.Emacs");
6437 if ((w32_message_fd
= open ("/dev/windows", O_RDWR
| O_CLOEXEC
)) == -1)
6438 fatal ("opening /dev/windows: %s", strerror (errno
));
6441 /* Initialize w32_use_visible_system_caret based on whether a screen
6442 reader is in use. */
6443 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6444 &w32_use_visible_system_caret
, 0))
6445 w32_use_visible_system_caret
= 0;
6447 last_tool_bar_item
= -1;
6448 any_help_event_p
= 0;
6450 /* Initialize input mode: interrupt_input off, no flow control, allow
6451 8 bit character input, standard quit char. */
6452 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6455 DWORD input_locale_id
= (DWORD
) GetKeyboardLayout (0);
6456 w32_keyboard_codepage
=
6457 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6460 /* Create the window thread - it will terminate itself when the app
6464 dwMainThreadId
= GetCurrentThreadId ();
6465 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6466 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6468 /* Wait for thread to start */
6472 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6474 hWindowsThread
= CreateThread (NULL
, 0,
6476 0, 0, &dwWindowsThreadId
);
6478 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6481 /* It is desirable that mainThread should have the same notion of
6482 focus window and active window as windowsThread. Unfortunately, the
6483 following call to AttachThreadInput, which should do precisely what
6484 we need, causes major problems when Emacs is linked as a console
6485 program. Unfortunately, we have good reasons for doing that, so
6486 instead we need to send messages to windowsThread to make some API
6487 calls for us (ones that affect, or depend on, the active/focus
6489 #ifdef ATTACH_THREADS
6490 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6493 /* Dynamically link to optional system components. */
6495 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6497 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6499 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6503 /* Ensure scrollbar handle is at least 5 pixels. */
6504 vertical_scroll_bar_min_handle
= 5;
6506 /* For either kind of scroll bar, take account of the arrows; these
6507 effectively form the border of the main scroll bar range. */
6508 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6509 = GetSystemMetrics (SM_CYVSCROLL
);
6514 syms_of_w32term (void)
6516 staticpro (&w32_display_name_list
);
6517 w32_display_name_list
= Qnil
;
6519 staticpro (&last_mouse_scroll_bar
);
6520 last_mouse_scroll_bar
= Qnil
;
6522 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6524 DEFVAR_INT ("w32-num-mouse-buttons",
6525 w32_num_mouse_buttons
,
6526 doc
: /* Number of physical mouse buttons. */);
6527 w32_num_mouse_buttons
= 2;
6529 DEFVAR_LISP ("w32-swap-mouse-buttons",
6530 Vw32_swap_mouse_buttons
,
6531 doc
: /* Swap the mapping of middle and right mouse buttons.
6532 When nil, middle button is mouse-2 and right button is mouse-3. */);
6533 Vw32_swap_mouse_buttons
= Qnil
;
6535 DEFVAR_LISP ("w32-grab-focus-on-raise",
6536 Vw32_grab_focus_on_raise
,
6537 doc
: /* Raised frame grabs input focus.
6538 When t, `raise-frame' grabs input focus as well. This fits well
6539 with the normal Windows click-to-focus policy, but might not be
6540 desirable when using a point-to-focus policy. */);
6541 Vw32_grab_focus_on_raise
= Qt
;
6543 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6544 Vw32_capslock_is_shiftlock
,
6545 doc
: /* Apply CapsLock state to non character input keys.
6546 When nil, CapsLock only affects normal character input keys. */);
6547 Vw32_capslock_is_shiftlock
= Qnil
;
6549 DEFVAR_LISP ("w32-recognize-altgr",
6550 Vw32_recognize_altgr
,
6551 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6552 When nil, the right-alt and left-ctrl key combination is
6553 interpreted normally. */);
6554 Vw32_recognize_altgr
= Qt
;
6556 DEFVAR_BOOL ("w32-use-visible-system-caret",
6557 w32_use_visible_system_caret
,
6558 doc
: /* Flag to make the system caret visible.
6559 When this is non-nil, Emacs will indicate the position of point by
6560 using the system caret instead of drawing its own cursor. Some screen
6561 reader software does not track the system cursor properly when it is
6562 invisible, and gets confused by Emacs drawing its own cursor, so this
6563 variable is initialized to t when Emacs detects that screen reader
6564 software is running as it starts up.
6566 When this variable is set, other variables affecting the appearance of
6567 the cursor have no effect. */);
6569 w32_use_visible_system_caret
= 0;
6571 /* We don't yet support this, but defining this here avoids whining
6572 from cus-start.el and other places, like "M-x set-variable". */
6573 DEFVAR_BOOL ("x-use-underline-position-properties",
6574 x_use_underline_position_properties
,
6575 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6576 A value of nil means ignore them. If you encounter fonts with bogus
6577 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6578 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6579 to override the font's UNDERLINE_POSITION for small font display
6581 x_use_underline_position_properties
= 0;
6583 DEFVAR_BOOL ("x-underline-at-descent-line",
6584 x_underline_at_descent_line
,
6585 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6586 A value of nil means to draw the underline according to the value of the
6587 variable `x-use-underline-position-properties', which is usually at the
6588 baseline level. The default value is nil. */);
6589 x_underline_at_descent_line
= 0;
6591 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6592 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6593 A value of nil means Emacs doesn't use toolkit scroll bars.
6594 With the X Window system, the value is a symbol describing the
6595 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6596 With MS Windows or Nextstep, the value is t. */);
6597 Vx_toolkit_scroll_bars
= Qt
;
6599 staticpro (&last_mouse_motion_frame
);
6600 last_mouse_motion_frame
= Qnil
;
6602 Fprovide (intern_c_string ("w32"), Qnil
);