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 && !defined(_W64)
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.
115 MinGW64 (_W64) defines these unconditionally, so avoid redefining. */
117 typedef struct tagWCRANGE
123 typedef struct tagGLYPHSET
127 DWORD cGlyphsSupported
;
132 #endif /* compiling for pre-Win2k */
134 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
135 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
138 #define LWA_ALPHA 0x02
140 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
141 later targets by MSVC headers. */
142 #ifndef WS_EX_LAYERED
143 #define WS_EX_LAYERED 0x80000
146 /* SM_CXVIRTUALSCREEN and SM_CYVIRTUALSCREEN are not defined on 95 and
148 #ifndef SM_CXVIRTUALSCREEN
149 #define SM_CXVIRTUALSCREEN 78
151 #ifndef SM_CYVIRTUALSCREEN
152 #define SM_CYVIRTUALSCREEN 79
155 /* This is a frame waiting to be autoraised, within w32_read_socket. */
156 struct frame
*pending_autoraise_frame
;
158 /* The handle of the frame that currently owns the system caret. */
159 HWND w32_system_caret_hwnd
;
160 int w32_system_caret_height
;
161 int w32_system_caret_x
;
162 int w32_system_caret_y
;
163 struct window
*w32_system_caret_window
;
164 int w32_system_caret_hdr_height
;
165 int w32_system_caret_mode_height
;
166 DWORD dwWindowsThreadId
= 0;
167 HANDLE hWindowsThread
= NULL
;
168 DWORD dwMainThreadId
= 0;
169 HANDLE hMainThread
= NULL
;
171 int vertical_scroll_bar_min_handle
;
172 int vertical_scroll_bar_top_border
;
173 int vertical_scroll_bar_bottom_border
;
175 int last_scroll_bar_drag_pos
;
177 /* Keyboard code page - may be changed by language-change events. */
178 int w32_keyboard_codepage
;
180 /* Mouse movement. */
182 /* Where the mouse was last time we reported a mouse event. */
183 static RECT last_mouse_glyph
;
184 static struct frame
*last_mouse_glyph_frame
;
186 /* The scroll bar in which the last motion event occurred.
188 If the last motion event occurred in a scroll bar, we set this
189 so w32_mouse_position can know whether to report a scroll bar motion or
192 If the last motion event didn't occur in a scroll bar, we set this
193 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
194 static Lisp_Object last_mouse_scroll_bar
;
195 static int last_mouse_scroll_bar_pos
;
197 /* This is a hack. We would really prefer that w32_mouse_position would
198 return the time associated with the position it returns, but there
199 doesn't seem to be any way to wrest the time-stamp from the server
200 along with the position query. So, we just keep track of the time
201 of the last movement we received, and return that in hopes that
202 it's somewhat accurate. */
203 static Time last_mouse_movement_time
;
205 /* Incremented by w32_read_socket whenever it really tries to read
207 static int volatile input_signal_count
;
210 int w32_message_fd
= -1;
213 static void w32_handle_tool_bar_click (struct frame
*,
214 struct input_event
*);
215 static void w32_define_cursor (Window
, Cursor
);
217 void x_lower_frame (struct frame
*);
218 void x_scroll_bar_clear (struct frame
*);
219 void x_wm_set_size_hint (struct frame
*, long, bool);
220 void x_raise_frame (struct frame
*);
221 void x_set_window_size (struct frame
*, int, int, int);
222 void x_wm_set_window_state (struct frame
*, int);
223 void x_wm_set_icon_pixmap (struct frame
*, int);
224 static void w32_initialize (void);
225 static void x_update_end (struct frame
*);
226 static void w32_frame_up_to_date (struct frame
*);
227 static void x_clear_frame (struct frame
*);
228 static void frame_highlight (struct frame
*);
229 static void frame_unhighlight (struct frame
*);
230 static void x_new_focus_frame (struct w32_display_info
*,
232 static void x_focus_changed (int, int, struct w32_display_info
*,
233 struct frame
*, struct input_event
*);
234 static void w32_detect_focus_change (struct w32_display_info
*,
235 W32Msg
*, struct input_event
*);
236 static void w32_frame_rehighlight (struct frame
*);
237 static void x_frame_rehighlight (struct w32_display_info
*);
238 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
239 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
240 enum text_cursor_kinds
);
241 static void w32_clip_to_row (struct window
*, struct glyph_row
*,
242 enum glyph_row_area
, HDC
);
243 static BOOL
my_show_window (struct frame
*, HWND
, int);
244 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
246 static void my_set_focus (struct frame
*, HWND
);
248 static void my_set_foreground_window (HWND
);
249 static void my_destroy_window (struct frame
*, HWND
);
250 static void w32fullscreen_hook (struct frame
*);
253 static void x_check_font (struct frame
*, struct font
*);
256 static Lisp_Object Qvendor_specific_keysyms
;
257 static Lisp_Object Qadded
, Qremoved
, Qmodified
;
258 static Lisp_Object Qrenamed_from
, Qrenamed_to
;
261 /***********************************************************************
263 ***********************************************************************/
267 /* This is a function useful for recording debugging information about
268 the sequence of occurrences in this file. */
276 struct record event_record
[100];
278 int event_record_index
;
280 record_event (char *locus
, int type
)
282 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
283 event_record_index
= 0;
285 event_record
[event_record_index
].locus
= locus
;
286 event_record
[event_record_index
].type
= type
;
287 event_record_index
++;
294 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
297 if (mask
& GCForeground
)
298 gc
->foreground
= xgcv
->foreground
;
299 if (mask
& GCBackground
)
300 gc
->background
= xgcv
->background
;
302 gc
->font
= xgcv
->font
;
306 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
308 XGCValues
*gc
= xzalloc (sizeof (XGCValues
));
310 XChangeGC (ignore
, gc
, mask
, xgcv
);
316 XGetGCValues (void *ignore
, XGCValues
*gc
,
317 unsigned long mask
, XGCValues
*xgcv
)
319 XChangeGC (ignore
, xgcv
, mask
, gc
);
323 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
327 HRGN clip_region
= CreateRectRgnIndirect (rect
);
328 SelectClipRgn (hdc
, clip_region
);
329 DeleteObject (clip_region
);
332 SelectClipRgn (hdc
, NULL
);
335 /* Restore clipping rectangle in S */
337 w32_restore_glyph_string_clip (struct glyph_string
*s
)
340 int n
= s
->num_clips
;
343 w32_set_clip_rectangle (s
->hdc
, r
);
346 HRGN clip1
= CreateRectRgnIndirect (r
);
347 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
348 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
349 SelectClipRgn (s
->hdc
, clip1
);
350 DeleteObject (clip1
);
351 DeleteObject (clip2
);
356 Draw a wavy line under S. The wave fills wave_height pixels from y0.
362 wave_height = 3 | * * * *
367 w32_draw_underwave (struct glyph_string
*s
, COLORREF color
)
369 int wave_height
= 3, wave_length
= 2;
370 int dx
, dy
, x0
, y0
, width
, x1
, y1
, x2
, y2
, odd
, xmax
;
371 XRectangle wave_clip
, string_clip
, final_clip
;
372 RECT w32_final_clip
, w32_string_clip
;
376 dy
= wave_height
- 1;
378 y0
= s
->ybase
- wave_height
+ 3;
382 /* Find and set clipping rectangle */
386 wave_clip
.width
= width
;
387 wave_clip
.height
= wave_height
;
389 get_glyph_string_clip_rect (s
, &w32_string_clip
);
390 CONVERT_TO_XRECT (string_clip
, w32_string_clip
);
392 if (!x_intersect_rectangles (&wave_clip
, &string_clip
, &final_clip
))
395 hp
= CreatePen (PS_SOLID
, 0, color
);
396 oldhp
= SelectObject (s
->hdc
, hp
);
397 CONVERT_FROM_XRECT (final_clip
, w32_final_clip
);
398 w32_set_clip_rectangle (s
->hdc
, &w32_final_clip
);
412 MoveToEx (s
->hdc
, x1
, y1
, NULL
);
416 LineTo (s
->hdc
, x2
, y2
);
418 x2
+= dx
, y2
= y0
+ odd
*dy
;
422 /* Restore previous pen and clipping rectangle(s) */
423 w32_restore_glyph_string_clip (s
);
424 SelectObject (s
->hdc
, oldhp
);
428 /* Draw a hollow rectangle at the specified position. */
430 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
431 int width
, int height
)
436 hb
= CreateSolidBrush (gc
->background
);
437 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
438 oldhb
= SelectObject (hdc
, hb
);
439 oldhp
= SelectObject (hdc
, hp
);
441 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
443 SelectObject (hdc
, oldhb
);
444 SelectObject (hdc
, oldhp
);
449 /* Draw a filled rectangle at the specified position. */
451 w32_fill_rect (struct frame
*f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
455 hb
= CreateSolidBrush (pix
);
456 FillRect (hdc
, lprect
, hb
);
461 w32_clear_window (struct frame
*f
)
464 HDC hdc
= get_frame_dc (f
);
466 /* Under certain conditions, this can be called at startup with
467 a console frame pointer before the GUI frame is created. An HDC
468 of 0 indicates this. */
471 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
472 w32_clear_rect (f
, hdc
, &rect
);
475 release_frame_dc (f
, hdc
);
478 #define OPAQUE_FRAME 255
481 x_set_frame_alpha (struct frame
*f
)
483 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
485 double alpha_min
= 1.0;
488 HWND window
= FRAME_W32_WINDOW (f
);
490 /* Older versions of Windows do not support transparency. */
491 if (!pfnSetLayeredWindowAttributes
)
494 if (dpyinfo
->x_highlight_frame
== f
)
499 if (FLOATP (Vframe_alpha_lower_limit
))
500 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
501 else if (INTEGERP (Vframe_alpha_lower_limit
))
502 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
506 else if (alpha
> 1.0)
508 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
511 opac
= alpha
* OPAQUE_FRAME
;
513 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
515 if (opac
== OPAQUE_FRAME
)
516 ex_style
&= ~WS_EX_LAYERED
;
518 ex_style
|= WS_EX_LAYERED
;
520 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
522 if (opac
!= OPAQUE_FRAME
)
523 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
527 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
529 int pixels
= GetSystemMetrics (SM_CYVIRTUALSCREEN
);
532 /* Fallback for Windows 95 or NT 4.0. */
533 pixels
= GetSystemMetrics (SM_CYSCREEN
);
539 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
541 int pixels
= GetSystemMetrics (SM_CXVIRTUALSCREEN
);
544 /* Fallback for Windows 95 or NT 4.0. */
545 pixels
= GetSystemMetrics (SM_CXSCREEN
);
551 /***********************************************************************
552 Starting and ending an update
553 ***********************************************************************/
555 /* Start an update of frame F. This function is installed as a hook
556 for update_begin, i.e. it is called when update_begin is called.
557 This function is called prior to calls to x_update_window_begin for
558 each window being updated. */
561 x_update_begin (struct frame
*f
)
563 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
565 if (! FRAME_W32_P (f
))
568 /* Regenerate display palette before drawing if list of requested
569 colors has changed. */
570 if (display_info
->regen_palette
)
572 w32_regenerate_palette (f
);
573 display_info
->regen_palette
= FALSE
;
578 /* Start update of window W. */
581 x_update_window_begin (struct window
*w
)
583 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
584 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
586 /* Hide the system caret during an update. */
587 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
589 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
592 w
->output_cursor
= w
->cursor
;
596 if (f
== hlinfo
->mouse_face_mouse_frame
)
598 /* Don't do highlighting for mouse motion during the update. */
599 hlinfo
->mouse_face_defer
= 1;
601 /* If F needs to be redrawn, simply forget about any prior mouse
603 if (FRAME_GARBAGED_P (f
))
604 hlinfo
->mouse_face_window
= Qnil
;
606 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
607 their mouse_face_p flag set, which means that they are always
608 unequal to rows in a desired matrix which never have that
609 flag set. So, rows containing mouse-face glyphs are never
610 scrolled, and we don't have to switch the mouse highlight off
611 here to prevent it from being scrolled. */
613 /* Can we tell that this update does not affect the window
614 where the mouse highlight is? If so, no need to turn off.
615 Likewise, don't do anything if the frame is garbaged;
616 in that case, the frame's current matrix that we would use
617 is all wrong, and we will redisplay that line anyway. */
618 if (!NILP (hlinfo
->mouse_face_window
)
619 && w
== XWINDOW (hlinfo
->mouse_face_window
))
623 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
624 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
627 if (i
< w
->desired_matrix
->nrows
)
628 clear_mouse_face (hlinfo
);
636 /* Draw a vertical window border from (x,y0) to (x,y1) */
639 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
641 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
651 hdc
= get_frame_dc (f
);
652 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
654 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
656 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
658 release_frame_dc (f
, hdc
);
662 /* End update of window W.
664 Draw vertical borders between horizontally adjacent windows, and
665 display W's cursor if CURSOR_ON_P is non-zero.
667 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
668 glyphs in mouse-face were overwritten. In that case we have to
669 make sure that the mouse-highlight is properly redrawn.
671 W may be a menu bar pseudo-window in case we don't have X toolkit
672 support. Such windows don't have a cursor, so don't display it
676 x_update_window_end (struct window
*w
, bool cursor_on_p
,
677 bool mouse_face_overwritten_p
)
679 if (!w
->pseudo_window_p
)
684 display_and_set_cursor (w
, 1,
685 w
->output_cursor
.hpos
, w
->output_cursor
.vpos
,
686 w
->output_cursor
.x
, w
->output_cursor
.y
);
688 if (draw_window_fringes (w
, 1))
689 x_draw_vertical_border (w
);
694 /* If a row with mouse-face was overwritten, arrange for
695 XTframe_up_to_date to redisplay the mouse highlight. */
696 if (mouse_face_overwritten_p
)
697 reset_mouse_highlight (MOUSE_HL_INFO (XFRAME (w
->frame
)));
699 /* Unhide the caret. This won't actually show the cursor, unless it
700 was visible before the corresponding call to HideCaret in
701 x_update_window_begin. */
702 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
704 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
709 /* End update of frame F. This function is installed as a hook in
713 x_update_end (struct frame
*f
)
715 if (! FRAME_W32_P (f
))
718 /* Mouse highlight may be displayed again. */
719 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
723 /* This function is called from various places in xdisp.c
724 whenever a complete update has been performed. */
727 w32_frame_up_to_date (struct frame
*f
)
730 FRAME_MOUSE_UPDATE (f
);
734 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
735 arrow bitmaps, or clear the fringes if no bitmaps are required
736 before DESIRED_ROW is made current. This function is called from
737 update_window_line only if it is known that there are differences
738 between bitmaps to be drawn between current row and DESIRED_ROW. */
741 x_after_update_window_line (struct window
*w
, struct glyph_row
*desired_row
)
748 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
749 desired_row
->redraw_fringe_bitmaps_p
= 1;
751 /* When a window has disappeared, make sure that no rest of
752 full-width rows stays visible in the internal border. Could
753 check here if updated window is the leftmost/rightmost window,
754 but I guess it's not worth doing since vertically split windows
755 are almost never used, internal border is rarely set, and the
756 overhead is very small. */
757 if (windows_or_buffers_changed
758 && desired_row
->full_width_p
759 && (f
= XFRAME (w
->frame
),
760 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
762 && (height
= desired_row
->visible_height
,
765 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
769 HDC hdc
= get_frame_dc (f
);
770 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
771 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
773 release_frame_dc (f
, hdc
);
780 /* Draw the bitmap WHICH in one of the left or right fringes of
781 window W. ROW is the glyph row for which to display the bitmap; it
782 determines the vertical position at which the bitmap has to be
786 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
787 struct draw_fringe_bitmap_params
*p
)
789 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
791 struct face
*face
= p
->face
;
793 hdc
= get_frame_dc (f
);
797 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
799 /* If the fringe is adjacent to the left (right) scroll bar of a
800 leftmost (rightmost, respectively) window, then extend its
801 background to the gap between the fringe and the bar. */
802 if ((WINDOW_LEFTMOST_P (w
)
803 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
804 || (WINDOW_RIGHTMOST_P (w
)
805 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
807 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
811 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
812 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
813 * FRAME_COLUMN_WIDTH (f
));
817 /* Bitmap fills the fringe. */
818 if (bar_area_x
+ bar_area_width
== p
->x
)
819 bx
= bar_area_x
+ sb_width
;
820 else if (p
->x
+ p
->wd
== bar_area_x
)
824 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
826 nx
= bar_area_width
- sb_width
;
827 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
829 ny
= row
->visible_height
;
834 if (bar_area_x
+ bar_area_width
== bx
)
836 bx
= bar_area_x
+ sb_width
;
837 nx
+= bar_area_width
- sb_width
;
839 else if (bx
+ nx
== bar_area_x
)
840 nx
+= bar_area_width
- sb_width
;
845 if (bx
>= 0 && nx
> 0)
846 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
849 /* Must clip because of partially visible lines. */
850 w32_clip_to_row (w
, row
, ANY_AREA
, hdc
);
852 if (p
->which
&& p
->which
< max_fringe_bmp
)
854 HBITMAP pixmap
= fringe_bmp
[p
->which
];
858 compat_hdc
= CreateCompatibleDC (hdc
);
862 horig_obj
= SelectObject (compat_hdc
, pixmap
);
864 /* Paint overlays transparently. */
867 HBRUSH h_brush
, h_orig_brush
;
869 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
870 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
871 h_brush
= CreateSolidBrush (face
->foreground
);
872 h_orig_brush
= SelectObject (hdc
, h_brush
);
874 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
875 compat_hdc
, 0, p
->dh
,
877 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
878 compat_hdc
, 0, p
->dh
,
880 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
881 compat_hdc
, 0, p
->dh
,
884 SelectObject (hdc
, h_orig_brush
);
885 DeleteObject (h_brush
);
889 SetTextColor (hdc
, face
->background
);
890 SetBkColor (hdc
, (p
->cursor_p
891 ? f
->output_data
.w32
->cursor_pixel
892 : face
->foreground
));
894 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
895 compat_hdc
, 0, p
->dh
,
899 SelectObject (compat_hdc
, horig_obj
);
900 DeleteDC (compat_hdc
);
904 w32_set_clip_rectangle (hdc
, NULL
);
906 release_frame_dc (f
, hdc
);
910 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
912 if (which
>= max_fringe_bmp
)
914 int i
= max_fringe_bmp
;
915 max_fringe_bmp
= which
+ 20;
916 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
917 while (i
< max_fringe_bmp
)
921 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
925 w32_destroy_fringe_bitmap (int which
)
927 if (which
>= max_fringe_bmp
)
930 if (fringe_bmp
[which
])
931 DeleteObject (fringe_bmp
[which
]);
932 fringe_bmp
[which
] = 0;
935 /***********************************************************************
937 ***********************************************************************/
939 /* Function prototypes of this page. */
941 static void x_set_glyph_string_clipping (struct glyph_string
*);
942 static void x_set_glyph_string_gc (struct glyph_string
*);
943 static void x_draw_glyph_string_background (struct glyph_string
*,
945 static void x_draw_glyph_string_foreground (struct glyph_string
*);
946 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
947 static void x_draw_glyph_string_box (struct glyph_string
*);
948 static void x_draw_glyph_string (struct glyph_string
*);
949 static void x_set_cursor_gc (struct glyph_string
*);
950 static void x_set_mode_line_face_gc (struct glyph_string
*);
951 static void x_set_mouse_face_gc (struct glyph_string
*);
952 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
953 static void w32_setup_relief_color (struct frame
*, struct relief
*,
954 double, int, COLORREF
);
955 static void x_setup_relief_colors (struct glyph_string
*);
956 static void x_draw_image_glyph_string (struct glyph_string
*);
957 static void x_draw_image_relief (struct glyph_string
*);
958 static void x_draw_image_foreground (struct glyph_string
*);
959 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
960 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
962 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
963 int, int, int, int, int, int,
965 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
966 int, int, int, RECT
*);
969 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
973 x_set_cursor_gc (struct glyph_string
*s
)
975 if (s
->font
== FRAME_FONT (s
->f
)
976 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
977 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
979 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
982 /* Cursor on non-default face: must merge. */
986 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
987 xgcv
.foreground
= s
->face
->background
;
989 /* If the glyph would be invisible, try a different foreground. */
990 if (xgcv
.foreground
== xgcv
.background
)
991 xgcv
.foreground
= s
->face
->foreground
;
992 if (xgcv
.foreground
== xgcv
.background
)
993 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
994 if (xgcv
.foreground
== xgcv
.background
)
995 xgcv
.foreground
= s
->face
->foreground
;
997 /* Make sure the cursor is distinct from text in this face. */
998 if (xgcv
.background
== s
->face
->background
999 && xgcv
.foreground
== s
->face
->foreground
)
1001 xgcv
.background
= s
->face
->foreground
;
1002 xgcv
.foreground
= s
->face
->background
;
1005 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1006 xgcv
.font
= s
->font
;
1007 mask
= GCForeground
| GCBackground
| GCFont
;
1009 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1010 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1013 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1014 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1016 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1021 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1024 x_set_mouse_face_gc (struct glyph_string
*s
)
1029 /* What face has to be used last for the mouse face? */
1030 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
1031 face
= FACE_FROM_ID (s
->f
, face_id
);
1033 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1035 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1036 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1038 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1039 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1040 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1042 /* If font in this face is same as S->font, use it. */
1043 if (s
->font
== s
->face
->font
)
1044 s
->gc
= s
->face
->gc
;
1047 /* Otherwise construct scratch_cursor_gc with values from FACE
1052 xgcv
.background
= s
->face
->background
;
1053 xgcv
.foreground
= s
->face
->foreground
;
1054 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1055 xgcv
.font
= s
->font
;
1056 mask
= GCForeground
| GCBackground
| GCFont
;
1058 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1059 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1062 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1063 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1065 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1068 eassert (s
->gc
!= 0);
1072 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1073 Faces to use in the mode line have already been computed when the
1074 matrix was built, so there isn't much to do, here. */
1077 x_set_mode_line_face_gc (struct glyph_string
*s
)
1079 s
->gc
= s
->face
->gc
;
1083 /* Set S->gc of glyph string S for drawing that glyph string. Set
1084 S->stippled_p to a non-zero value if the face of S has a stipple
1088 x_set_glyph_string_gc (struct glyph_string
*s
)
1090 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1092 if (s
->hl
== DRAW_NORMAL_TEXT
)
1094 s
->gc
= s
->face
->gc
;
1095 s
->stippled_p
= s
->face
->stipple
!= 0;
1097 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1099 x_set_mode_line_face_gc (s
);
1100 s
->stippled_p
= s
->face
->stipple
!= 0;
1102 else if (s
->hl
== DRAW_CURSOR
)
1104 x_set_cursor_gc (s
);
1107 else if (s
->hl
== DRAW_MOUSE_FACE
)
1109 x_set_mouse_face_gc (s
);
1110 s
->stippled_p
= s
->face
->stipple
!= 0;
1112 else if (s
->hl
== DRAW_IMAGE_RAISED
1113 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1115 s
->gc
= s
->face
->gc
;
1116 s
->stippled_p
= s
->face
->stipple
!= 0;
1120 s
->gc
= s
->face
->gc
;
1121 s
->stippled_p
= s
->face
->stipple
!= 0;
1124 /* GC must have been set. */
1125 eassert (s
->gc
!= 0);
1129 /* Set clipping for output of glyph string S. S may be part of a mode
1130 line or menu if we don't have X toolkit support. */
1133 x_set_glyph_string_clipping (struct glyph_string
*s
)
1136 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1139 w32_set_clip_rectangle (s
->hdc
, r
);
1142 HRGN clip1
= CreateRectRgnIndirect (r
);
1143 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1144 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1145 SelectClipRgn (s
->hdc
, clip1
);
1146 DeleteObject (clip1
);
1147 DeleteObject (clip2
);
1152 /* Set SRC's clipping for output of glyph string DST. This is called
1153 when we are drawing DST's left_overhang or right_overhang only in
1157 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1158 struct glyph_string
*dst
)
1163 r
.right
= r
.left
+ src
->width
;
1165 r
.bottom
= r
.top
+ src
->height
;
1168 w32_set_clip_rectangle (dst
->hdc
, &r
);
1172 Compute left and right overhang of glyph string S. */
1175 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1178 && s
->first_glyph
->type
== CHAR_GLYPH
1179 && !s
->font_not_found_p
)
1181 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1182 struct font
*font
= s
->font
;
1183 struct font_metrics metrics
;
1186 for (i
= 0; i
< s
->nchars
; i
++)
1187 code
[i
] = s
->char2b
[i
];
1188 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1189 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1190 ? metrics
.rbearing
- metrics
.width
: 0);
1191 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1195 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1196 s
->left_overhang
= -s
->cmp
->lbearing
;
1200 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1203 x_clear_glyph_string_rect (struct glyph_string
*s
,
1204 int x
, int y
, int w
, int h
)
1211 /* Take clipping into account. */
1212 if (s
->gc
->clip_mask
== Rect
)
1214 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1215 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1216 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1217 - s
->gc
->clip_rectangle
.left
);
1218 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1219 - s
->gc
->clip_rectangle
.top
);
1222 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1227 /* Draw the background of glyph_string S. If S->background_filled_p
1228 is non-zero don't draw it. FORCE_P non-zero means draw the
1229 background even if it wouldn't be drawn normally. This is used
1230 when a string preceding S draws into the background of S, or S
1231 contains the first component of a composition. */
1234 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1236 /* Nothing to do if background has already been drawn or if it
1237 shouldn't be drawn in the first place. */
1238 if (!s
->background_filled_p
)
1240 int box_line_width
= max (s
->face
->box_line_width
, 0);
1242 #if 0 /* TODO: stipple */
1245 /* Fill background with a stipple pattern. */
1246 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1247 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1248 s
->y
+ box_line_width
,
1249 s
->background_width
,
1250 s
->height
- 2 * box_line_width
);
1251 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1252 s
->background_filled_p
= 1;
1256 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1257 || s
->font_not_found_p
1258 || s
->extends_to_end_of_line_p
1261 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1262 s
->background_width
,
1263 s
->height
- 2 * box_line_width
);
1264 s
->background_filled_p
= 1;
1270 /* Draw the foreground of glyph string S. */
1273 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1277 /* If first glyph of S has a left box line, start drawing the text
1278 of S to the right of that box line. */
1279 if (s
->face
->box
!= FACE_NO_BOX
1280 && s
->first_glyph
->left_box_line_p
)
1281 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1285 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1286 SetBkColor (s
->hdc
, s
->gc
->background
);
1287 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1289 /* Draw characters of S as rectangles if S's font could not be
1291 if (s
->font_not_found_p
)
1293 for (i
= 0; i
< s
->nchars
; ++i
)
1295 struct glyph
*g
= s
->first_glyph
+ i
;
1297 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1299 x
+= g
->pixel_width
;
1304 struct font
*font
= s
->font
;
1305 int boff
= font
->baseline_offset
;
1309 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1311 if (font
->vertical_centering
)
1312 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1314 y
= s
->ybase
- boff
;
1316 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1317 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1319 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1320 if (s
->face
->overstrike
)
1321 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1323 SelectObject (s
->hdc
, old_font
);
1327 /* Draw the foreground of composite glyph string S. */
1330 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1333 struct font
*font
= s
->font
;
1335 /* If first glyph of S has a left box line, start drawing the text
1336 of S to the right of that box line. */
1337 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1338 && s
->first_glyph
->left_box_line_p
)
1339 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1343 /* S is a glyph string for a composition. S->cmp_from is the index
1344 of the first character drawn for glyphs of this composition.
1345 S->cmp_from == 0 means we are drawing the very first character of
1346 this composition. */
1348 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1349 SetBkColor (s
->hdc
, s
->gc
->background
);
1350 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1352 /* Draw a rectangle for the composition if the font for the very
1353 first character of the composition could not be loaded. */
1354 if (s
->font_not_found_p
)
1356 if (s
->cmp_from
== 0)
1357 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1360 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1365 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1367 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1368 /* TAB in a composition means display glyphs with padding
1369 space on the left or right. */
1370 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1372 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1373 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1375 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1376 if (s
->face
->overstrike
)
1377 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1379 SelectObject (s
->hdc
, old_font
);
1383 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1389 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1391 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1393 glyph
= LGSTRING_GLYPH (gstring
, i
);
1394 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1395 width
+= LGLYPH_WIDTH (glyph
);
1398 int xoff
, yoff
, wadjust
;
1402 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1405 xoff
= LGLYPH_XOFF (glyph
);
1406 yoff
= LGLYPH_YOFF (glyph
);
1407 wadjust
= LGLYPH_WADJUST (glyph
);
1408 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1415 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1417 SelectObject (s
->hdc
, old_font
);
1422 /* Draw the foreground of glyph string S for glyphless characters. */
1425 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1427 struct glyph
*glyph
= s
->first_glyph
;
1430 int with_background
;
1432 /* If first glyph of S has a left box line, start drawing the text
1433 of S to the right of that box line. */
1434 if (s
->face
->box
!= FACE_NO_BOX
1435 && s
->first_glyph
->left_box_line_p
)
1436 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1440 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1441 SetBkColor (s
->hdc
, s
->gc
->background
);
1442 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1445 with_background
= ! (s
->for_overlaps
1446 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1447 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1449 char buf
[7], *str
= NULL
;
1450 int len
= glyph
->u
.glyphless
.len
;
1452 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1455 && CHAR_TABLE_P (Vglyphless_char_display
)
1456 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1460 = (! glyph
->u
.glyphless
.for_no_font
1461 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1462 glyph
->u
.glyphless
.ch
)
1463 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1464 if (STRINGP (acronym
))
1465 str
= SSDATA (acronym
);
1468 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1470 sprintf ((char *) buf
, "%0*X",
1471 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1472 glyph
->u
.glyphless
.ch
);
1476 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1477 w32_draw_rectangle (s
->hdc
, s
->gc
,
1478 x
, s
->ybase
- glyph
->ascent
,
1479 glyph
->pixel_width
- 1,
1480 glyph
->ascent
+ glyph
->descent
- 1);
1483 struct font
*font
= s
->font
;
1484 int upper_len
= (len
+ 1) / 2;
1488 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1489 /* It is certain that all LEN characters in STR are ASCII. */
1490 for (j
= 0; j
< len
; j
++)
1492 code
= font
->driver
->encode_char (font
, str
[j
]);
1493 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1495 font
->driver
->draw (s
, 0, upper_len
,
1496 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1497 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1499 font
->driver
->draw (s
, upper_len
, len
,
1500 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1501 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1503 SelectObject (s
->hdc
, old_font
);
1505 x
+= glyph
->pixel_width
;
1510 /* Brightness beyond which a color won't have its highlight brightness
1513 Nominally, highlight colors for `3d' faces are calculated by
1514 brightening an object's color by a constant scale factor, but this
1515 doesn't yield good results for dark colors, so for colors whose
1516 brightness is less than this value (on a scale of 0-255) have to
1517 use an additional additive factor.
1519 The value here is set so that the default menu-bar/mode-line color
1520 (grey75) will not have its highlights changed at all. */
1521 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1524 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1525 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1526 If this produces the same color as COLOR, try a color where all RGB
1527 values have DELTA added. Return the allocated color in *COLOR.
1528 DISPLAY is the X display, CMAP is the colormap to operate on.
1529 Value is non-zero if successful. */
1532 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1533 double factor
, int delta
)
1538 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1541 /* Change RGB values by specified FACTOR. Avoid overflow! */
1542 eassert (factor
>= 0);
1543 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1544 min (0xff, factor
* GetGValue (*color
)),
1545 min (0xff, factor
* GetBValue (*color
)));
1547 /* Calculate brightness of COLOR. */
1548 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1549 + GetBValue (*color
)) / 6;
1551 /* We only boost colors that are darker than
1552 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1553 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1554 /* Make an additive adjustment to NEW, because it's dark enough so
1555 that scaling by FACTOR alone isn't enough. */
1557 /* How far below the limit this color is (0 - 1, 1 being darker). */
1558 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1559 /* The additive adjustment. */
1560 int min_delta
= delta
* dimness
* factor
/ 2;
1563 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1564 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1565 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1567 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1568 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1569 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1573 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1574 max (0, min (0xff, delta
+ GetGValue (*color
))),
1575 max (0, min (0xff, delta
+ GetBValue (*color
))));
1577 /* TODO: Map to palette and retry with delta if same? */
1578 /* TODO: Free colors (if using palette)? */
1588 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1589 colors in COLORS. On W32, we no longer try to map colors to
1592 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1596 for (i
= 0; i
< ncolors
; i
++)
1598 DWORD pixel
= colors
[i
].pixel
;
1599 /* Convert to a 16 bit value in range 0 - 0xffff. */
1600 colors
[i
].red
= GetRValue (pixel
) * 257;
1601 colors
[i
].green
= GetGValue (pixel
) * 257;
1602 colors
[i
].blue
= GetBValue (pixel
) * 257;
1607 x_query_color (struct frame
*f
, XColor
*color
)
1609 x_query_colors (f
, color
, 1);
1613 /* Set up the foreground color for drawing relief lines of glyph
1614 string S. RELIEF is a pointer to a struct relief containing the GC
1615 with which lines will be drawn. Use a color that is FACTOR or
1616 DELTA lighter or darker than the relief's background which is found
1617 in S->f->output_data.x->relief_background. If such a color cannot
1618 be allocated, use DEFAULT_PIXEL, instead. */
1621 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1622 int delta
, COLORREF default_pixel
)
1625 struct w32_output
*di
= f
->output_data
.w32
;
1626 unsigned long mask
= GCForeground
;
1628 COLORREF background
= di
->relief_background
;
1629 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1631 /* TODO: Free colors (if using palette)? */
1633 /* Allocate new color. */
1634 xgcv
.foreground
= default_pixel
;
1636 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1638 relief
->allocated_p
= 1;
1639 xgcv
.foreground
= relief
->pixel
= pixel
;
1642 if (relief
->gc
== 0)
1644 #if 0 /* TODO: stipple */
1645 xgcv
.stipple
= dpyinfo
->gray
;
1648 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1651 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1655 /* Set up colors for the relief lines around glyph string S. */
1658 x_setup_relief_colors (struct glyph_string
*s
)
1660 struct w32_output
*di
= s
->f
->output_data
.w32
;
1663 if (s
->face
->use_box_color_for_shadows_p
)
1664 color
= s
->face
->box_color
;
1665 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1667 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1668 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1670 color
= s
->gc
->background
;
1672 if (di
->white_relief
.gc
== 0
1673 || color
!= di
->relief_background
)
1675 di
->relief_background
= color
;
1676 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1677 WHITE_PIX_DEFAULT (s
->f
));
1678 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1679 BLACK_PIX_DEFAULT (s
->f
));
1684 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1685 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1686 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1687 relief. LEFT_P non-zero means draw a relief on the left side of
1688 the rectangle. RIGHT_P non-zero means draw a relief on the right
1689 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1693 w32_draw_relief_rect (struct frame
*f
,
1694 int left_x
, int top_y
, int right_x
, int bottom_y
,
1695 int width
, int raised_p
,
1696 int top_p
, int bot_p
, int left_p
, int right_p
,
1701 HDC hdc
= get_frame_dc (f
);
1704 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1706 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1708 w32_set_clip_rectangle (hdc
, clip_rect
);
1712 for (i
= 0; i
< width
; ++i
)
1713 w32_fill_area (f
, hdc
, gc
.foreground
,
1714 left_x
+ i
* left_p
, top_y
+ i
,
1715 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1719 for (i
= 0; i
< width
; ++i
)
1720 w32_fill_area (f
, hdc
, gc
.foreground
,
1721 left_x
+ i
, top_y
+ (i
+ 1) * top_p
, 1,
1722 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1725 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1727 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1731 for (i
= 0; i
< width
; ++i
)
1732 w32_fill_area (f
, hdc
, gc
.foreground
,
1733 left_x
+ i
* left_p
, bottom_y
- i
,
1734 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1738 for (i
= 0; i
< width
; ++i
)
1739 w32_fill_area (f
, hdc
, gc
.foreground
,
1740 right_x
- i
, top_y
+ (i
+ 1) * top_p
, 1,
1741 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1743 w32_set_clip_rectangle (hdc
, NULL
);
1745 release_frame_dc (f
, hdc
);
1749 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1750 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1751 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1752 left side of the rectangle. RIGHT_P non-zero means draw a line
1753 on the right side of the rectangle. CLIP_RECT is the clipping
1754 rectangle to use when drawing. */
1757 w32_draw_box_rect (struct glyph_string
*s
,
1758 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1759 int left_p
, int right_p
, RECT
*clip_rect
)
1761 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1764 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1765 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1770 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1771 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1775 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1776 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1781 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1782 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1785 w32_set_clip_rectangle (s
->hdc
, NULL
);
1789 /* Draw a box around glyph string S. */
1792 x_draw_glyph_string_box (struct glyph_string
*s
)
1794 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1795 int left_p
, right_p
;
1796 struct glyph
*last_glyph
;
1799 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1800 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1801 : window_box_right (s
->w
, s
->area
));
1803 /* The glyph that may have a right box line. */
1804 last_glyph
= (s
->cmp
|| s
->img
1806 : s
->first_glyph
+ s
->nchars
- 1);
1808 width
= eabs (s
->face
->box_line_width
);
1809 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1811 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1813 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1815 bottom_y
= top_y
+ s
->height
- 1;
1817 left_p
= (s
->first_glyph
->left_box_line_p
1818 || (s
->hl
== DRAW_MOUSE_FACE
1820 || s
->prev
->hl
!= s
->hl
)));
1821 right_p
= (last_glyph
->right_box_line_p
1822 || (s
->hl
== DRAW_MOUSE_FACE
1824 || s
->next
->hl
!= s
->hl
)));
1826 get_glyph_string_clip_rect (s
, &clip_rect
);
1828 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1829 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1830 left_p
, right_p
, &clip_rect
);
1833 x_setup_relief_colors (s
);
1834 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1835 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1840 /* Draw foreground of image glyph string S. */
1843 x_draw_image_foreground (struct glyph_string
*s
)
1846 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1848 /* If first glyph of S has a left box line, start drawing it to the
1849 right of that line. */
1850 if (s
->face
->box
!= FACE_NO_BOX
1851 && s
->first_glyph
->left_box_line_p
1853 x
+= eabs (s
->face
->box_line_width
);
1855 /* If there is a margin around the image, adjust x- and y-position
1857 if (s
->slice
.x
== 0)
1858 x
+= s
->img
->hmargin
;
1859 if (s
->slice
.y
== 0)
1860 y
+= s
->img
->vmargin
;
1866 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1867 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1868 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1869 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1870 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1871 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1872 x_set_glyph_string_clipping (s
);
1876 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1877 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1879 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1880 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1882 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1883 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1884 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1885 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1886 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1887 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1889 SelectObject (mask_dc
, mask_orig_obj
);
1894 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1895 SetBkColor (s
->hdc
, s
->gc
->background
);
1897 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1898 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1900 /* When the image has a mask, we can expect that at
1901 least part of a mouse highlight or a block cursor will
1902 be visible. If the image doesn't have a mask, make
1903 a block cursor visible by drawing a rectangle around
1904 the image. I believe it's looking better if we do
1905 nothing here for mouse-face. */
1906 if (s
->hl
== DRAW_CURSOR
)
1908 int r
= s
->img
->relief
;
1910 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1911 s
->slice
.width
+ r
*2 - 1,
1912 s
->slice
.height
+ r
*2 - 1);
1916 w32_set_clip_rectangle (s
->hdc
, NULL
);
1917 SelectObject (s
->hdc
, orig_brush
);
1918 DeleteObject (fg_brush
);
1919 SelectObject (compat_hdc
, orig_obj
);
1920 DeleteDC (compat_hdc
);
1923 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1924 s
->slice
.width
- 1, s
->slice
.height
- 1);
1926 RestoreDC (s
->hdc
,-1);
1930 /* Draw a relief around the image glyph string S. */
1933 x_draw_image_relief (struct glyph_string
*s
)
1935 int x1
, y1
, thick
, raised_p
, top_p
, bot_p
, left_p
, right_p
;
1938 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1940 /* If first glyph of S has a left box line, start drawing it to the
1941 right of that line. */
1942 if (s
->face
->box
!= FACE_NO_BOX
1943 && s
->first_glyph
->left_box_line_p
1945 x
+= eabs (s
->face
->box_line_width
);
1947 /* If there is a margin around the image, adjust x- and y-position
1949 if (s
->slice
.x
== 0)
1950 x
+= s
->img
->hmargin
;
1951 if (s
->slice
.y
== 0)
1952 y
+= s
->img
->vmargin
;
1954 if (s
->hl
== DRAW_IMAGE_SUNKEN
1955 || s
->hl
== DRAW_IMAGE_RAISED
)
1957 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1958 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1959 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1963 thick
= eabs (s
->img
->relief
);
1964 raised_p
= s
->img
->relief
> 0;
1967 x1
= x
+ s
->slice
.width
- 1;
1968 y1
= y
+ s
->slice
.height
- 1;
1969 top_p
= bot_p
= left_p
= right_p
= 0;
1971 if (s
->slice
.x
== 0)
1972 x
-= thick
, left_p
= 1;
1973 if (s
->slice
.y
== 0)
1974 y
-= thick
, top_p
= 1;
1975 if (s
->slice
.x
+ s
->slice
.width
== s
->img
->width
)
1976 x1
+= thick
, right_p
= 1;
1977 if (s
->slice
.y
+ s
->slice
.height
== s
->img
->height
)
1978 y1
+= thick
, bot_p
= 1;
1980 x_setup_relief_colors (s
);
1981 get_glyph_string_clip_rect (s
, &r
);
1982 w32_draw_relief_rect (s
->f
, x
, y
, x1
, y1
, thick
, raised_p
,
1983 top_p
, bot_p
, left_p
, right_p
, &r
);
1987 /* Draw the foreground of image glyph string S to PIXMAP. */
1990 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
1992 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1993 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1995 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1997 /* If first glyph of S has a left box line, start drawing it to the
1998 right of that line. */
1999 if (s
->face
->box
!= FACE_NO_BOX
2000 && s
->first_glyph
->left_box_line_p
2002 x
+= eabs (s
->face
->box_line_width
);
2004 /* If there is a margin around the image, adjust x- and y-position
2006 if (s
->slice
.x
== 0)
2007 x
+= s
->img
->hmargin
;
2008 if (s
->slice
.y
== 0)
2009 y
+= s
->img
->vmargin
;
2013 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2014 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2015 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2016 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2020 HDC mask_dc
= CreateCompatibleDC (hdc
);
2021 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2023 SetTextColor (hdc
, RGB (0, 0, 0));
2024 SetBkColor (hdc
, RGB (255, 255, 255));
2025 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2026 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2027 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2028 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2029 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2030 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2032 SelectObject (mask_dc
, mask_orig_obj
);
2037 SetTextColor (hdc
, s
->gc
->foreground
);
2038 SetBkColor (hdc
, s
->gc
->background
);
2040 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2041 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2043 /* When the image has a mask, we can expect that at
2044 least part of a mouse highlight or a block cursor will
2045 be visible. If the image doesn't have a mask, make
2046 a block cursor visible by drawing a rectangle around
2047 the image. I believe it's looking better if we do
2048 nothing here for mouse-face. */
2049 if (s
->hl
== DRAW_CURSOR
)
2051 int r
= s
->img
->relief
;
2053 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2054 s
->slice
.width
+ r
*2 - 1,
2055 s
->slice
.height
+ r
*2 - 1);
2059 SelectObject (hdc
, orig_brush
);
2060 DeleteObject (fg_brush
);
2061 SelectObject (compat_hdc
, orig_obj
);
2062 DeleteDC (compat_hdc
);
2065 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2066 s
->slice
.width
- 1, s
->slice
.height
- 1);
2068 SelectObject (hdc
, orig_hdc_obj
);
2073 /* Draw part of the background of glyph string S. X, Y, W, and H
2074 give the rectangle to draw. */
2077 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2079 #if 0 /* TODO: stipple */
2082 /* Fill background with a stipple pattern. */
2083 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2084 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2085 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2089 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2093 /* Draw image glyph string S.
2096 s->x +-------------------------
2099 | +-------------------------
2102 | | +-------------------
2108 x_draw_image_glyph_string (struct glyph_string
*s
)
2111 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2112 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2116 height
= s
->height
- 2 * box_line_vwidth
;
2118 /* Fill background with face under the image. Do it only if row is
2119 taller than image or if image has a clip mask to reduce
2121 s
->stippled_p
= s
->face
->stipple
!= 0;
2122 if (height
> s
->slice
.height
2126 || s
->img
->pixmap
== 0
2127 || s
->width
!= s
->background_width
)
2130 if (s
->first_glyph
->left_box_line_p
2132 x
+= box_line_hwidth
;
2135 if (s
->slice
.y
== 0)
2136 y
+= box_line_vwidth
;
2138 #if 0 /* TODO: figure out if we need to do this on Windows. */
2141 /* Create a pixmap as large as the glyph string. Fill it
2142 with the background color. Copy the image to it, using
2143 its mask. Copy the temporary pixmap to the display. */
2144 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2145 int depth
= DefaultDepthOfScreen (screen
);
2147 /* Create a pixmap as large as the glyph string. */
2148 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2149 s
->background_width
,
2152 /* Don't clip in the following because we're working on the
2154 XSetClipMask (s
->display
, s
->gc
, None
);
2156 /* Fill the pixmap with the background color/stipple. */
2159 /* Fill background with a stipple pattern. */
2160 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2161 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2162 0, 0, s
->background_width
, s
->height
);
2163 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2168 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2170 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2171 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2172 0, 0, s
->background_width
, s
->height
);
2173 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2178 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2180 s
->background_filled_p
= 1;
2183 /* Draw the foreground. */
2186 w32_draw_image_foreground_1 (s
, pixmap
);
2187 x_set_glyph_string_clipping (s
);
2189 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2190 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2191 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2192 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2194 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2195 SetBkColor (s
->hdc
, s
->gc
->background
);
2196 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2197 compat_hdc
, 0, 0, SRCCOPY
);
2199 SelectObject (s
->hdc
, orig_brush
);
2200 DeleteObject (fg_brush
);
2201 SelectObject (compat_hdc
, orig_obj
);
2202 DeleteDC (compat_hdc
);
2204 DeleteObject (pixmap
);
2208 x_draw_image_foreground (s
);
2210 /* If we must draw a relief around the image, do it. */
2212 || s
->hl
== DRAW_IMAGE_RAISED
2213 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2214 x_draw_image_relief (s
);
2218 /* Draw stretch glyph string S. */
2221 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2223 eassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2225 if (s
->hl
== DRAW_CURSOR
2226 && !x_stretch_cursor_p
)
2228 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2229 wide as the stretch glyph. */
2230 int width
, background_width
= s
->background_width
;
2233 if (!s
->row
->reversed_p
)
2235 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2239 background_width
-= left_x
- x
;
2245 /* In R2L rows, draw the cursor on the right edge of the
2247 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2249 if (x
+ background_width
> right_x
)
2250 background_width
-= x
- right_x
;
2251 x
+= background_width
;
2253 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2254 if (s
->row
->reversed_p
)
2258 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2260 /* Clear rest using the GC of the original non-cursor face. */
2261 if (width
< background_width
)
2263 XGCValues
*gc
= s
->face
->gc
;
2265 int w
= background_width
- width
, h
= s
->height
;
2269 if (!s
->row
->reversed_p
)
2273 if (s
->row
->mouse_face_p
2274 && cursor_in_mouse_face_p (s
->w
))
2276 x_set_mouse_face_gc (s
);
2282 get_glyph_string_clip_rect (s
, &r
);
2283 w32_set_clip_rectangle (hdc
, &r
);
2285 #if 0 /* TODO: stipple */
2286 if (s
->face
->stipple
)
2288 /* Fill background with a stipple pattern. */
2289 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2290 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2291 XSetFillStyle (s
->display
, gc
, FillSolid
);
2296 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2300 else if (!s
->background_filled_p
)
2302 int background_width
= s
->background_width
;
2303 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2305 /* Don't draw into left margin, fringe or scrollbar area
2306 except for header line and mode line. */
2307 if (x
< left_x
&& !s
->row
->mode_line_p
)
2309 background_width
-= left_x
- x
;
2312 if (background_width
> 0)
2313 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2316 s
->background_filled_p
= 1;
2320 /* Draw glyph string S. */
2323 x_draw_glyph_string (struct glyph_string
*s
)
2325 bool relief_drawn_p
= 0;
2327 /* If S draws into the background of its successor, draw the
2328 background of the successor first so that S can draw into it.
2329 This makes S->next use XDrawString instead of XDrawImageString. */
2330 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2333 struct glyph_string
*next
;
2334 for (width
= 0, next
= s
->next
;
2335 next
&& width
< s
->right_overhang
;
2336 width
+= next
->width
, next
= next
->next
)
2337 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2339 x_set_glyph_string_gc (next
);
2340 x_set_glyph_string_clipping (next
);
2341 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2342 x_draw_stretch_glyph_string (next
);
2344 x_draw_glyph_string_background (next
, 1);
2345 next
->num_clips
= 0;
2349 /* Set up S->gc, set clipping and draw S. */
2350 x_set_glyph_string_gc (s
);
2352 /* Draw relief (if any) in advance for char/composition so that the
2353 glyph string can be drawn over it. */
2354 if (!s
->for_overlaps
2355 && s
->face
->box
!= FACE_NO_BOX
2356 && (s
->first_glyph
->type
== CHAR_GLYPH
2357 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2360 x_set_glyph_string_clipping (s
);
2361 x_draw_glyph_string_background (s
, 1);
2362 x_draw_glyph_string_box (s
);
2363 x_set_glyph_string_clipping (s
);
2366 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2368 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2369 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2370 /* We must clip just this glyph. left_overhang part has already
2371 drawn when s->prev was drawn, and right_overhang part will be
2372 drawn later when s->next is drawn. */
2373 x_set_glyph_string_clipping_exactly (s
, s
);
2375 x_set_glyph_string_clipping (s
);
2377 switch (s
->first_glyph
->type
)
2380 x_draw_image_glyph_string (s
);
2384 x_draw_stretch_glyph_string (s
);
2388 if (s
->for_overlaps
)
2389 s
->background_filled_p
= 1;
2391 x_draw_glyph_string_background (s
, 0);
2392 x_draw_glyph_string_foreground (s
);
2395 case COMPOSITE_GLYPH
:
2396 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2397 && ! s
->first_glyph
->u
.cmp
.automatic
))
2398 s
->background_filled_p
= 1;
2400 x_draw_glyph_string_background (s
, 1);
2401 x_draw_composite_glyph_string_foreground (s
);
2404 case GLYPHLESS_GLYPH
:
2405 if (s
->for_overlaps
)
2406 s
->background_filled_p
= 1;
2408 x_draw_glyph_string_background (s
, 0);
2409 x_draw_glyphless_glyph_string_foreground (s
);
2416 if (!s
->for_overlaps
)
2418 /* Draw underline. */
2419 if (s
->face
->underline_p
)
2421 if (s
->face
->underline_type
== FACE_UNDER_WAVE
)
2425 if (s
->face
->underline_defaulted_p
)
2426 color
= s
->gc
->foreground
;
2428 color
= s
->face
->underline_color
;
2430 w32_draw_underwave (s
, color
);
2432 else if (s
->face
->underline_type
== FACE_UNDER_LINE
)
2434 unsigned long thickness
, position
;
2437 if (s
->prev
&& s
->prev
->face
->underline_p
2438 && s
->prev
->face
->underline_type
== FACE_UNDER_LINE
)
2440 /* We use the same underline style as the previous one. */
2441 thickness
= s
->prev
->underline_thickness
;
2442 position
= s
->prev
->underline_position
;
2446 /* Get the underline thickness. Default is 1 pixel. */
2447 if (s
->font
&& s
->font
->underline_thickness
> 0)
2448 thickness
= s
->font
->underline_thickness
;
2451 if (x_underline_at_descent_line
)
2452 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2455 /* Get the underline position. This is the recommended
2456 vertical offset in pixels from the baseline to the top of
2457 the underline. This is a signed value according to the
2458 specs, and its default is
2460 ROUND ((maximum_descent) / 2), with
2461 ROUND (x) = floor (x + 0.5) */
2463 if (x_use_underline_position_properties
2464 && s
->font
&& s
->font
->underline_position
>= 0)
2465 position
= s
->font
->underline_position
;
2467 position
= (s
->font
->descent
+ 1) / 2;
2469 position
= max (position
, underline_minimum_offset
);
2471 /* Check the sanity of thickness and position. We should
2472 avoid drawing underline out of the current line area. */
2473 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2474 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2475 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2476 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2477 s
->underline_thickness
= thickness
;
2478 s
->underline_position
=position
;
2479 y
= s
->ybase
+ position
;
2480 if (s
->face
->underline_defaulted_p
)
2482 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2487 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2492 /* Draw overline. */
2493 if (s
->face
->overline_p
)
2495 unsigned long dy
= 0, h
= 1;
2497 if (s
->face
->overline_color_defaulted_p
)
2499 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2500 s
->y
+ dy
, s
->width
, h
);
2504 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2505 s
->y
+ dy
, s
->width
, h
);
2509 /* Draw strike-through. */
2510 if (s
->face
->strike_through_p
2511 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2513 unsigned long h
= 1;
2514 unsigned long dy
= (s
->height
- h
) / 2;
2516 if (s
->face
->strike_through_color_defaulted_p
)
2518 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2523 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2524 s
->y
+ dy
, s
->width
, h
);
2528 /* Draw relief if not yet drawn. */
2529 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2530 x_draw_glyph_string_box (s
);
2534 struct glyph_string
*prev
;
2536 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2537 if (prev
->hl
!= s
->hl
2538 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2540 /* As prev was drawn while clipped to its own area, we
2541 must draw the right_overhang part using s->hl now. */
2542 enum draw_glyphs_face save
= prev
->hl
;
2545 x_set_glyph_string_gc (prev
);
2546 x_set_glyph_string_clipping_exactly (s
, prev
);
2547 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2548 x_draw_glyph_string_foreground (prev
);
2550 x_draw_composite_glyph_string_foreground (prev
);
2551 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2553 prev
->num_clips
= 0;
2559 struct glyph_string
*next
;
2561 for (next
= s
->next
; next
; next
= next
->next
)
2562 if (next
->hl
!= s
->hl
2563 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2565 /* As next will be drawn while clipped to its own area,
2566 we must draw the left_overhang part using s->hl now. */
2567 enum draw_glyphs_face save
= next
->hl
;
2570 x_set_glyph_string_gc (next
);
2571 x_set_glyph_string_clipping_exactly (s
, next
);
2572 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2573 x_draw_glyph_string_foreground (next
);
2575 x_draw_composite_glyph_string_foreground (next
);
2576 w32_set_clip_rectangle (next
->hdc
, NULL
);
2578 next
->num_clips
= 0;
2579 next
->clip_head
= s
->next
;
2584 /* Reset clipping. */
2585 w32_set_clip_rectangle (s
->hdc
, NULL
);
2590 /* Shift display to make room for inserted glyphs. */
2593 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2594 int width
, int height
, int shift_by
)
2598 hdc
= get_frame_dc (f
);
2599 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2600 hdc
, x
, y
, SRCCOPY
);
2602 release_frame_dc (f
, hdc
);
2606 /* Delete N glyphs at the nominal cursor position. Not implemented
2610 x_delete_glyphs (struct frame
*f
, register int n
)
2612 if (! FRAME_W32_P (f
))
2619 /* Clear entire frame. */
2622 x_clear_frame (struct frame
*f
)
2624 if (! FRAME_W32_P (f
))
2627 /* Clearing the frame will erase any cursor, so mark them all as no
2629 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2633 w32_clear_window (f
);
2635 /* We have to clear the scroll bars, too. If we have changed
2636 colors or something like that, then they should be notified. */
2637 x_scroll_bar_clear (f
);
2643 /* Make audible bell. */
2646 w32_ring_bell (struct frame
*f
)
2650 if (FRAME_W32_P (f
) && visible_bell
)
2653 HWND hwnd
= FRAME_W32_WINDOW (f
);
2655 for (i
= 0; i
< 5; i
++)
2657 FlashWindow (hwnd
, TRUE
);
2660 FlashWindow (hwnd
, FALSE
);
2663 w32_sys_ring_bell (f
);
2669 /* Specify how many text lines, from the top of the window,
2670 should be affected by insert-lines and delete-lines operations.
2671 This, and those operations, are used only within an update
2672 that is bounded by calls to x_update_begin and x_update_end. */
2675 w32_set_terminal_window (struct frame
*f
, int n
)
2677 /* This function intentionally left blank. */
2681 /***********************************************************************
2683 ***********************************************************************/
2685 /* Perform an insert-lines or delete-lines operation, inserting N
2686 lines or deleting -N lines at vertical position VPOS. */
2689 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2691 if (! FRAME_W32_P (f
))
2698 /* Scroll part of the display as described by RUN. */
2701 x_scroll_run (struct window
*w
, struct run
*run
)
2703 struct frame
*f
= XFRAME (w
->frame
);
2704 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2705 HWND hwnd
= FRAME_W32_WINDOW (f
);
2708 /* Get frame-relative bounding box of the text display area of W,
2709 without mode lines. Include in this box the left and right
2711 window_box (w
, ANY_AREA
, &x
, &y
, &width
, &height
);
2713 /* If the fringe is adjacent to the left (right) scroll bar of a
2714 leftmost (rightmost, respectively) window, then extend its
2715 background to the gap between the fringe and the bar. */
2716 if ((WINDOW_LEFTMOST_P (w
)
2717 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2718 || (WINDOW_RIGHTMOST_P (w
)
2719 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2721 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2725 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2726 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2727 * FRAME_COLUMN_WIDTH (f
));
2729 if (bar_area_x
+ bar_area_width
== x
)
2731 x
= bar_area_x
+ sb_width
;
2732 width
+= bar_area_width
- sb_width
;
2734 else if (x
+ width
== bar_area_x
)
2735 width
+= bar_area_width
- sb_width
;
2739 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2740 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2741 bottom_y
= y
+ height
;
2745 /* Scrolling up. Make sure we don't copy part of the mode
2746 line at the bottom. */
2747 if (from_y
+ run
->height
> bottom_y
)
2748 height
= bottom_y
- from_y
;
2750 height
= run
->height
;
2751 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2755 /* Scrolling down. Make sure we don't copy over the mode line.
2757 if (to_y
+ run
->height
> bottom_y
)
2758 height
= bottom_y
- to_y
;
2760 height
= run
->height
;
2761 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2766 /* Cursor off. Will be switched on again in x_update_window_end. */
2772 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2773 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2775 from
.left
= to
.left
= x
;
2776 from
.right
= to
.right
= x
+ width
;
2778 from
.bottom
= from_y
+ height
;
2780 to
.bottom
= bottom_y
;
2782 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2783 NULL
, SW_INVALIDATE
);
2785 /* Combine this with what we expect to be dirty. This covers the
2786 case where not all of the region we expect is actually dirty. */
2787 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2789 /* If the dirty region is not what we expected, redraw the entire frame. */
2790 if (!EqualRgn (combined
, expect_dirty
))
2791 SET_FRAME_GARBAGED (f
);
2793 DeleteObject (dirty
);
2794 DeleteObject (combined
);
2798 DeleteObject (expect_dirty
);
2803 /***********************************************************************
2805 ***********************************************************************/
2808 frame_highlight (struct frame
*f
)
2810 x_update_cursor (f
, 1);
2811 x_set_frame_alpha (f
);
2815 frame_unhighlight (struct frame
*f
)
2817 x_update_cursor (f
, 1);
2818 x_set_frame_alpha (f
);
2821 /* The focus has changed. Update the frames as necessary to reflect
2822 the new situation. Note that we can't change the selected frame
2823 here, because the Lisp code we are interrupting might become confused.
2824 Each event gets marked with the frame in which it occurred, so the
2825 Lisp code can tell when the switch took place by examining the events. */
2828 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2830 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2832 if (frame
!= dpyinfo
->w32_focus_frame
)
2834 /* Set this before calling other routines, so that they see
2835 the correct value of w32_focus_frame. */
2836 dpyinfo
->w32_focus_frame
= frame
;
2838 if (old_focus
&& old_focus
->auto_lower
)
2839 x_lower_frame (old_focus
);
2841 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2842 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2844 pending_autoraise_frame
= 0;
2847 x_frame_rehighlight (dpyinfo
);
2851 /* Handle FocusIn and FocusOut state changes for FRAME.
2852 If FRAME has focus and there exists more than one frame, puts
2853 a FOCUS_IN_EVENT into *BUFP. */
2856 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2857 struct frame
*frame
, struct input_event
*bufp
)
2859 if (type
== WM_SETFOCUS
)
2861 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2863 x_new_focus_frame (dpyinfo
, frame
);
2864 dpyinfo
->w32_focus_event_frame
= frame
;
2866 /* Don't stop displaying the initial startup message
2867 for a switch-frame event we don't need. */
2868 if (NILP (Vterminal_frame
)
2869 && CONSP (Vframe_list
)
2870 && !NILP (XCDR (Vframe_list
)))
2879 bufp
->kind
= FOCUS_IN_EVENT
;
2880 XSETFRAME (bufp
->frame_or_window
, frame
);
2883 frame
->output_data
.x
->focus_state
|= state
;
2885 /* TODO: IME focus? */
2887 else if (type
== WM_KILLFOCUS
)
2889 frame
->output_data
.x
->focus_state
&= ~state
;
2891 if (dpyinfo
->w32_focus_event_frame
== frame
)
2893 dpyinfo
->w32_focus_event_frame
= 0;
2894 x_new_focus_frame (dpyinfo
, 0);
2896 bufp
->kind
= FOCUS_OUT_EVENT
;
2897 XSETFRAME (bufp
->frame_or_window
, frame
);
2900 /* TODO: IME focus? */
2905 /* The focus may have changed. Figure out if it is a real focus change,
2906 by checking both FocusIn/Out and Enter/LeaveNotify events.
2908 Returns FOCUS_IN_EVENT event in *BUFP. */
2911 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2912 struct input_event
*bufp
)
2914 struct frame
*frame
;
2916 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2920 /* On w32, this is only called from focus events, so no switch needed. */
2921 x_focus_changed (event
->msg
.message
,
2922 (event
->msg
.message
== WM_KILLFOCUS
?
2923 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2924 dpyinfo
, frame
, bufp
);
2928 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2931 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2933 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2936 /* The focus has changed, or we have redirected a frame's focus to
2937 another frame (this happens when a frame uses a surrogate
2938 mini-buffer frame). Shift the highlight as appropriate.
2940 The FRAME argument doesn't necessarily have anything to do with which
2941 frame is being highlighted or un-highlighted; we only use it to find
2942 the appropriate X display info. */
2945 w32_frame_rehighlight (struct frame
*frame
)
2947 if (! FRAME_W32_P (frame
))
2949 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2953 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2955 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2957 if (dpyinfo
->w32_focus_frame
)
2959 dpyinfo
->x_highlight_frame
2960 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2961 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2962 : dpyinfo
->w32_focus_frame
);
2963 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2965 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
2966 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2970 dpyinfo
->x_highlight_frame
= 0;
2972 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2975 frame_unhighlight (old_highlight
);
2976 if (dpyinfo
->x_highlight_frame
)
2977 frame_highlight (dpyinfo
->x_highlight_frame
);
2981 /* Keyboard processing - modifier keys, etc. */
2983 /* Convert a keysym to its name. */
2986 x_get_keysym_name (int keysym
)
2988 /* Make static so we can always return it */
2989 static char value
[100];
2992 GetKeyNameText (keysym
, value
, 100);
2999 codepage_for_locale (LCID locale
)
3003 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
3010 /* Mouse clicks and mouse movement. Rah. */
3012 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3013 the state in PUP. XBUTTON provides extra information for extended mouse
3014 button messages. Returns FALSE if unable to parse the message. */
3016 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
3023 case WM_LBUTTONDOWN
:
3031 case WM_MBUTTONDOWN
:
3032 if (NILP (Vw32_swap_mouse_buttons
))
3039 if (NILP (Vw32_swap_mouse_buttons
))
3045 case WM_RBUTTONDOWN
:
3046 if (NILP (Vw32_swap_mouse_buttons
))
3053 if (NILP (Vw32_swap_mouse_buttons
))
3059 case WM_XBUTTONDOWN
:
3060 button
= xbutton
+ 2;
3064 button
= xbutton
+ 2;
3072 if (pbutton
) *pbutton
= button
;
3078 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3080 If the event is a button press, then note that we have grabbed
3084 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3089 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3092 /* Make the event type NO_EVENT; we'll change that when we decide
3094 result
->kind
= MOUSE_CLICK_EVENT
;
3095 result
->code
= button
;
3096 result
->timestamp
= msg
->msg
.time
;
3097 result
->modifiers
= (msg
->dwModifiers
3102 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3103 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3104 XSETFRAME (result
->frame_or_window
, f
);
3110 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3115 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3118 result
->timestamp
= msg
->msg
.time
;
3120 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3121 forward, away from the user (up); a negative value indicates that
3122 the wheel was rotated backward, toward the user (down). */
3123 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3125 /* The up and down modifiers indicate if the wheel was rotated up or
3126 down based on WHEEL_DELTA value. */
3127 result
->modifiers
= (msg
->dwModifiers
3128 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3130 /* With multiple monitors, we can legitimately get negative
3131 coordinates, so cast to short to interpret them correctly. */
3132 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3133 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3134 ScreenToClient (msg
->msg
.hwnd
, &p
);
3135 XSETINT (result
->x
, p
.x
);
3136 XSETINT (result
->y
, p
.y
);
3137 XSETFRAME (result
->frame_or_window
, f
);
3143 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3153 result
->kind
= DRAG_N_DROP_EVENT
;
3155 result
->timestamp
= msg
->msg
.time
;
3156 result
->modifiers
= msg
->dwModifiers
;
3158 hdrop
= (HDROP
) msg
->msg
.wParam
;
3159 DragQueryPoint (hdrop
, &p
);
3162 p
.x
= LOWORD (msg
->msg
.lParam
);
3163 p
.y
= HIWORD (msg
->msg
.lParam
);
3164 ScreenToClient (msg
->msg
.hwnd
, &p
);
3167 XSETINT (result
->x
, p
.x
);
3168 XSETINT (result
->y
, p
.y
);
3170 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3173 for (i
= 0; i
< num_files
; i
++)
3175 len
= GUI_FN (DragQueryFile
) (hdrop
, i
, NULL
, 0);
3179 name
= alloca ((len
+ 1) * sizeof (*name
));
3180 GUI_FN (DragQueryFile
) (hdrop
, i
, name
, len
+ 1);
3181 #ifdef NTGUI_UNICODE
3182 files
= Fcons (from_unicode_buffer (name
), files
);
3184 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3185 #endif /* NTGUI_UNICODE */
3190 XSETFRAME (frame
, f
);
3191 result
->frame_or_window
= frame
;
3192 result
->arg
= files
;
3199 /* File event notifications (see w32notify.c). */
3202 lispy_file_action (DWORD action
)
3204 static char unknown_fmt
[] = "unknown-action(%d)";
3209 case FILE_ACTION_ADDED
:
3212 case FILE_ACTION_REMOVED
:
3215 case FILE_ACTION_MODIFIED
:
3218 case FILE_ACTION_RENAMED_OLD_NAME
:
3219 retval
= Qrenamed_from
;
3221 case FILE_ACTION_RENAMED_NEW_NAME
:
3222 retval
= Qrenamed_to
;
3226 char buf
[sizeof(unknown_fmt
) - 1 + INT_STRLEN_BOUND (DWORD
)];
3228 sprintf (buf
, unknown_fmt
, action
);
3229 retval
= intern (buf
);
3238 /* Put file notifications into the Emacs input event queue. This
3239 function runs when the WM_EMACS_FILENOTIFY message arrives from a
3242 queue_notifications (struct input_event
*event
, W32Msg
*msg
, struct frame
*f
,
3245 BYTE
*p
= file_notifications
;
3246 FILE_NOTIFY_INFORMATION
*fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3247 const DWORD min_size
3248 = offsetof (FILE_NOTIFY_INFORMATION
, FileName
) + sizeof(wchar_t);
3251 /* We cannot process notification before Emacs is fully initialized,
3252 since we need the UTF-16LE coding-system to be set up. */
3255 notification_buffer_in_use
= 0;
3259 XSETFRAME (frame
, f
);
3262 if (notification_buffer_in_use
)
3264 DWORD info_size
= notifications_size
;
3265 Lisp_Object cs
= intern ("utf-16le");
3266 Lisp_Object obj
= w32_get_watch_object (notifications_desc
);
3268 /* notifications_size could be zero when the buffer of
3269 notifications overflowed on the OS level, or when the
3270 directory being watched was itself deleted. Do nothing in
3273 && !NILP (obj
) && CONSP (obj
))
3275 Lisp_Object callback
= XCDR (obj
);
3277 while (info_size
>= min_size
)
3279 Lisp_Object utf_16_fn
3280 = make_unibyte_string ((char *)fni
->FileName
,
3281 fni
->FileNameLength
);
3282 /* Note: mule-conf is preloaded, so utf-16le must
3283 already be defined at this point. */
3285 = code_convert_string_norecord (utf_16_fn
, cs
, 0);
3286 Lisp_Object action
= lispy_file_action (fni
->Action
);
3288 event
->kind
= FILE_NOTIFY_EVENT
;
3290 = (ptrdiff_t)XINT (XIL ((EMACS_INT
)notifications_desc
));
3291 event
->timestamp
= msg
->msg
.time
;
3292 event
->modifiers
= 0;
3293 event
->frame_or_window
= callback
;
3294 event
->arg
= Fcons (action
, fname
);
3295 kbd_buffer_store_event (event
);
3298 if (!fni
->NextEntryOffset
)
3300 p
+= fni
->NextEntryOffset
;
3301 fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3302 info_size
-= fni
->NextEntryOffset
;
3305 notification_buffer_in_use
= 0;
3308 DebPrint (("We were promised notifications, but in-use flag is zero!\n"));
3311 /* We've stuffed all the events ourselves, so w32_read_socket shouldn't. */
3312 event
->kind
= NO_EVENT
;
3314 #endif /* WINDOWSNT */
3315 #endif /* HAVE_W32NOTIFY */
3318 /* Function to report a mouse movement to the mainstream Emacs code.
3319 The input handler calls this.
3321 We have received a mouse movement event, which is given in *event.
3322 If the mouse is over a different glyph than it was last time, tell
3323 the mainstream emacs code by setting mouse_moved. If not, ask for
3324 another motion event, so we can check again the next time it moves. */
3326 static MSG last_mouse_motion_event
;
3327 static Lisp_Object last_mouse_motion_frame
;
3330 note_mouse_movement (struct frame
*frame
, MSG
*msg
)
3332 int mouse_x
= LOWORD (msg
->lParam
);
3333 int mouse_y
= HIWORD (msg
->lParam
);
3335 last_mouse_movement_time
= msg
->time
;
3336 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3337 XSETFRAME (last_mouse_motion_frame
, frame
);
3339 if (!FRAME_X_OUTPUT (frame
))
3342 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3344 frame
->mouse_moved
= 1;
3345 last_mouse_scroll_bar
= Qnil
;
3346 note_mouse_highlight (frame
, -1, -1);
3347 last_mouse_glyph_frame
= 0;
3351 /* Has the mouse moved off the glyph it was on at the last sighting? */
3352 if (frame
!= last_mouse_glyph_frame
3353 || mouse_x
< last_mouse_glyph
.left
3354 || mouse_x
>= last_mouse_glyph
.right
3355 || mouse_y
< last_mouse_glyph
.top
3356 || mouse_y
>= last_mouse_glyph
.bottom
)
3358 frame
->mouse_moved
= 1;
3359 last_mouse_scroll_bar
= Qnil
;
3360 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3361 /* Remember the mouse position here, as w32_mouse_position only
3362 gets called when mouse tracking is enabled but we also need
3363 to keep track of the mouse for help_echo and highlighting at
3365 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3366 last_mouse_glyph_frame
= frame
;
3374 /************************************************************************
3376 ************************************************************************/
3378 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3379 static void x_scroll_bar_report_motion (struct frame
**, Lisp_Object
*,
3380 enum scroll_bar_part
*,
3381 Lisp_Object
*, Lisp_Object
*,
3383 static void x_check_fullscreen (struct frame
*);
3386 redo_mouse_highlight (void)
3388 if (!NILP (last_mouse_motion_frame
)
3389 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3390 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3391 LOWORD (last_mouse_motion_event
.lParam
),
3392 HIWORD (last_mouse_motion_event
.lParam
));
3396 w32_define_cursor (Window window
, Cursor cursor
)
3398 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3400 /* Return the current position of the mouse.
3401 *fp should be a frame which indicates which display to ask about.
3403 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3404 and *part to the frame, window, and scroll bar part that the mouse
3405 is over. Set *x and *y to the portion and whole of the mouse's
3406 position on the scroll bar.
3408 If the mouse movement started elsewhere, set *fp to the frame the
3409 mouse is on, *bar_window to nil, and *x and *y to the character cell
3412 Set *time to the server time-stamp for the time at which the mouse
3413 was at this position.
3415 Don't store anything if we don't have a valid set of values to report.
3417 This clears the mouse_moved flag, so we can wait for the next mouse
3421 w32_mouse_position (struct frame
**fp
, int insist
, Lisp_Object
*bar_window
,
3422 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3423 unsigned long *time
)
3429 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3430 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3435 Lisp_Object frame
, tail
;
3437 /* Clear the mouse-moved flag for every frame on this display. */
3438 FOR_EACH_FRAME (tail
, frame
)
3439 XFRAME (frame
)->mouse_moved
= 0;
3441 last_mouse_scroll_bar
= Qnil
;
3445 /* Now we have a position on the root; find the innermost window
3446 containing the pointer. */
3448 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3449 && FRAME_LIVE_P (last_mouse_frame
))
3451 /* If mouse was grabbed on a frame, give coords for that frame
3452 even if the mouse is now outside it. */
3453 f1
= last_mouse_frame
;
3457 /* Is window under mouse one of our frames? */
3458 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3459 WindowFromPoint (pt
));
3462 /* If not, is it one of our scroll bars? */
3465 struct scroll_bar
*bar
3466 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3470 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3474 if (f1
== 0 && insist
> 0)
3475 f1
= SELECTED_FRAME ();
3479 /* Ok, we found a frame. Store all the values.
3480 last_mouse_glyph is a rectangle used to reduce the
3481 generation of mouse events. To not miss any motion
3482 events, we must divide the frame into rectangles of the
3483 size of the smallest character that could be displayed
3484 on it, i.e. into the same rectangles that matrices on
3485 the frame are divided into. */
3487 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3488 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3489 last_mouse_glyph_frame
= f1
;
3496 *time
= last_mouse_movement_time
;
3505 /***********************************************************************
3507 ***********************************************************************/
3509 /* Handle mouse button event on the tool-bar of frame F, at
3510 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3511 or ButtonRelease. */
3514 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3516 int x
= XFASTINT (button_event
->x
);
3517 int y
= XFASTINT (button_event
->y
);
3519 if (button_event
->modifiers
& down_modifier
)
3520 handle_tool_bar_click (f
, x
, y
, 1, 0);
3522 handle_tool_bar_click (f
, x
, y
, 0,
3523 button_event
->modifiers
& ~up_modifier
);
3528 /***********************************************************************
3530 ***********************************************************************/
3532 /* Scroll bar support. */
3534 /* Given a window ID, find the struct scroll_bar which manages it.
3535 This can be called in GC, so we have to make sure to strip off mark
3538 static struct scroll_bar
*
3539 x_window_to_scroll_bar (Window window_id
)
3541 Lisp_Object tail
, frame
;
3543 FOR_EACH_FRAME (tail
, frame
)
3545 Lisp_Object bar
, condemned
;
3547 /* Scan this frame's scroll bar list for a scroll bar with the
3549 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3550 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3551 /* This trick allows us to search both the ordinary and
3552 condemned scroll bar lists with one loop. */
3553 ! NILP (bar
) || (bar
= condemned
,
3556 bar
= XSCROLL_BAR (bar
)->next
)
3557 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3558 return XSCROLL_BAR (bar
);
3566 /* Set the thumb size and position of scroll bar BAR. We are currently
3567 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3570 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3571 int portion
, int position
, int whole
)
3573 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3574 /* We use the whole scroll-bar height in the calculations below, to
3575 avoid strange effects like scrolling backwards when just clicking
3576 on the handle (without moving it). */
3577 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3578 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3579 int sb_page
, sb_pos
;
3580 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3583 /* We used to change the nPage setting while dragging the handle,
3584 but that had very strange effects (such as scrolling backwards
3585 while dragging downwards).
3587 Now, we don't change the nPage setting while dragging unless we
3588 get near to the end of the buffer, in which case we often have to
3589 resize the handle to "go all the way". */
3595 si
.cbSize
= sizeof (si
);
3596 si
.fMask
= SIF_POS
| SIF_PAGE
;
3597 GetScrollInfo (w
, SB_CTL
, &si
);
3598 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3606 /* Position scroll bar at rock bottom if the bottom of the
3607 buffer is visible. This avoids shrinking the thumb away
3608 to nothing if it is held at the bottom of the buffer. */
3609 if (position
+ portion
>= whole
&& !draggingp
)
3611 sb_page
= range
* (whole
- position
) / whole
;
3616 sb_pos
= position
* range
/ whole
;
3617 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3626 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3630 si
.cbSize
= sizeof (si
);
3631 si
.fMask
= SIF_PAGE
| SIF_POS
;
3635 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3641 /************************************************************************
3642 Scroll bars, general
3643 ************************************************************************/
3646 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3648 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3649 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3653 /*#define ATTACH_THREADS*/
3656 my_show_window (struct frame
*f
, HWND hwnd
, int how
)
3658 #ifndef ATTACH_THREADS
3659 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3660 (WPARAM
) hwnd
, (LPARAM
) how
);
3662 return ShowWindow (hwnd
, how
);
3667 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3668 int x
, int y
, int cx
, int cy
, UINT flags
)
3670 #ifndef ATTACH_THREADS
3672 pos
.hwndInsertAfter
= hwndAfter
;
3678 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3680 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3686 my_set_focus (struct frame
* f
, HWND hwnd
)
3688 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3694 my_set_foreground_window (HWND hwnd
)
3696 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3701 my_destroy_window (struct frame
* f
, HWND hwnd
)
3703 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3708 my_bring_window_to_top (HWND hwnd
)
3710 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3713 /* Create a scroll bar and return the scroll bar vector for it. W is
3714 the Emacs window on which to create the scroll bar. TOP, LEFT,
3715 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3718 static struct scroll_bar
*
3719 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3721 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3724 struct scroll_bar
*bar
3725 = ALLOCATE_PSEUDOVECTOR (struct scroll_bar
, fringe_extended_p
, PVEC_OTHER
);
3730 XSETWINDOW (bar
->window
, w
);
3731 XSETINT (bar
->top
, top
);
3732 XSETINT (bar
->left
, left
);
3733 XSETINT (bar
->width
, width
);
3734 XSETINT (bar
->height
, height
);
3735 XSETINT (bar
->start
, 0);
3736 XSETINT (bar
->end
, 0);
3737 bar
->dragging
= Qnil
;
3738 bar
->fringe_extended_p
= 0;
3740 /* Requires geometry to be set before call to create the real window */
3742 hwnd
= my_create_scrollbar (f
, bar
);
3744 si
.cbSize
= sizeof (si
);
3747 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3748 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3752 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3754 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3756 /* Add bar to its frame's list of scroll bars. */
3757 bar
->next
= FRAME_SCROLL_BARS (f
);
3759 XSETVECTOR (barobj
, bar
);
3760 fset_scroll_bars (f
, barobj
);
3761 if (! NILP (bar
->next
))
3762 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3770 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3774 x_scroll_bar_remove (struct scroll_bar
*bar
)
3776 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3780 /* Destroy the window. */
3781 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3783 /* Dissociate this scroll bar from its window. */
3784 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3789 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3790 that we are displaying PORTION characters out of a total of WHOLE
3791 characters, starting at POSITION. If WINDOW has no scroll bar,
3794 w32_set_vertical_scroll_bar (struct window
*w
,
3795 int portion
, int whole
, int position
)
3797 struct frame
*f
= XFRAME (w
->frame
);
3799 struct scroll_bar
*bar
;
3800 int top
, height
, left
, sb_left
, width
, sb_width
;
3801 int window_y
, window_height
;
3802 bool fringe_extended_p
;
3804 /* Get window dimensions. */
3805 window_box (w
, ANY_AREA
, 0, &window_y
, 0, &window_height
);
3807 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3808 height
= window_height
;
3810 /* Compute the left edge of the scroll bar area. */
3811 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3813 /* Compute the width of the scroll bar which might be less than
3814 the width of the area reserved for the scroll bar. */
3815 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3816 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3820 /* Compute the left edge of the scroll bar. */
3821 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3822 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3824 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3826 fringe_extended_p
= WINDOW_FRINGE_EXTENDED_P (w
);
3828 /* Does the scroll bar exist yet? */
3829 if (NILP (w
->vertical_scroll_bar
))
3833 if (width
> 0 && height
> 0)
3835 hdc
= get_frame_dc (f
);
3836 if (fringe_extended_p
)
3837 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3839 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3840 release_frame_dc (f
, hdc
);
3844 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3848 /* It may just need to be moved and resized. */
3851 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3852 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3854 /* If already correctly positioned, do nothing. */
3855 if (XINT (bar
->left
) == sb_left
3856 && XINT (bar
->top
) == top
3857 && XINT (bar
->width
) == sb_width
3858 && XINT (bar
->height
) == height
3859 && bar
->fringe_extended_p
== fringe_extended_p
)
3861 /* Redraw after clear_frame. */
3862 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3863 InvalidateRect (hwnd
, NULL
, FALSE
);
3871 if (width
&& height
)
3873 hdc
= get_frame_dc (f
);
3874 /* Since Windows scroll bars are smaller than the space reserved
3875 for them on the frame, we have to clear "under" them. */
3876 if (fringe_extended_p
)
3877 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3879 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3880 release_frame_dc (f
, hdc
);
3882 /* Make sure scroll bar is "visible" before moving, to ensure the
3883 area of the parent window now exposed will be refreshed. */
3884 my_show_window (f
, hwnd
, SW_HIDE
);
3885 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3886 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3887 max (height
, 1), TRUE
);
3889 si
.cbSize
= sizeof (si
);
3890 si
.fMask
= SIF_RANGE
;
3892 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3893 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3895 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3897 my_show_window (f
, hwnd
, SW_NORMAL
);
3898 /* InvalidateRect (w, NULL, FALSE); */
3900 /* Remember new settings. */
3901 XSETINT (bar
->left
, sb_left
);
3902 XSETINT (bar
->top
, top
);
3903 XSETINT (bar
->width
, sb_width
);
3904 XSETINT (bar
->height
, height
);
3909 bar
->fringe_extended_p
= fringe_extended_p
;
3911 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3912 XSETVECTOR (barobj
, bar
);
3913 wset_vertical_scroll_bar (w
, barobj
);
3917 /* The following three hooks are used when we're doing a thorough
3918 redisplay of the frame. We don't explicitly know which scroll bars
3919 are going to be deleted, because keeping track of when windows go
3920 away is a real pain - "Can you say set-window-configuration, boys
3921 and girls?" Instead, we just assert at the beginning of redisplay
3922 that *all* scroll bars are to be removed, and then save a scroll bar
3923 from the fiery pit when we actually redisplay its window. */
3925 /* Arrange for all scroll bars on FRAME to be removed at the next call
3926 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3927 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3930 w32_condemn_scroll_bars (struct frame
*frame
)
3932 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3933 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3936 bar
= FRAME_SCROLL_BARS (frame
);
3937 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3938 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3939 XSCROLL_BAR (bar
)->prev
= Qnil
;
3940 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3941 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3942 fset_condemned_scroll_bars (frame
, bar
);
3947 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3948 Note that WINDOW isn't necessarily condemned at all. */
3951 w32_redeem_scroll_bar (struct window
*window
)
3953 struct scroll_bar
*bar
;
3957 /* We can't redeem this window's scroll bar if it doesn't have one. */
3958 if (NILP (window
->vertical_scroll_bar
))
3961 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3963 /* Unlink it from the condemned list. */
3964 f
= XFRAME (WINDOW_FRAME (window
));
3965 if (NILP (bar
->prev
))
3967 /* If the prev pointer is nil, it must be the first in one of
3969 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3970 /* It's not condemned. Everything's fine. */
3972 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3973 window
->vertical_scroll_bar
))
3974 fset_condemned_scroll_bars (f
, bar
->next
);
3976 /* If its prev pointer is nil, it must be at the front of
3977 one or the other! */
3981 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3983 if (! NILP (bar
->next
))
3984 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3986 bar
->next
= FRAME_SCROLL_BARS (f
);
3988 XSETVECTOR (barobj
, bar
);
3989 fset_scroll_bars (f
, barobj
);
3990 if (! NILP (bar
->next
))
3991 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3994 /* Remove all scroll bars on FRAME that haven't been saved since the
3995 last call to `*condemn_scroll_bars_hook'. */
3998 w32_judge_scroll_bars (struct frame
*f
)
4000 Lisp_Object bar
, next
;
4002 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
4004 /* Clear out the condemned list now so we won't try to process any
4005 more events on the hapless scroll bars. */
4006 fset_condemned_scroll_bars (f
, Qnil
);
4008 for (; ! NILP (bar
); bar
= next
)
4010 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
4012 x_scroll_bar_remove (b
);
4015 b
->next
= b
->prev
= Qnil
;
4018 /* Now there should be no references to the condemned scroll bars,
4019 and they should get garbage-collected. */
4022 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4023 is set to something other than NO_EVENT, it is enqueued.
4025 This may be called from a signal handler, so we have to ignore GC
4029 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
4030 struct input_event
*emacs_event
)
4032 if (! WINDOWP (bar
->window
))
4035 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
4036 emacs_event
->code
= 0;
4037 /* not really meaningful to distinguish up/down */
4038 emacs_event
->modifiers
= msg
->dwModifiers
;
4039 emacs_event
->frame_or_window
= bar
->window
;
4040 emacs_event
->arg
= Qnil
;
4041 emacs_event
->timestamp
= msg
->msg
.time
;
4044 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4046 int dragging
= !NILP (bar
->dragging
);
4049 si
.cbSize
= sizeof (si
);
4052 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4055 bar
->dragging
= Qnil
;
4058 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4060 switch (LOWORD (msg
->msg
.wParam
))
4063 emacs_event
->part
= scroll_bar_down_arrow
;
4066 emacs_event
->part
= scroll_bar_up_arrow
;
4069 emacs_event
->part
= scroll_bar_above_handle
;
4072 emacs_event
->part
= scroll_bar_below_handle
;
4075 emacs_event
->part
= scroll_bar_handle
;
4079 emacs_event
->part
= scroll_bar_handle
;
4083 case SB_THUMBPOSITION
:
4084 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4085 y
= HIWORD (msg
->msg
.wParam
);
4087 emacs_event
->part
= scroll_bar_handle
;
4089 /* "Silently" update current position. */
4093 si
.cbSize
= sizeof (si
);
4096 /* Remember apparent position (we actually lag behind the real
4097 position, so don't set that directly). */
4098 last_scroll_bar_drag_pos
= y
;
4100 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4104 /* If this is the end of a drag sequence, then reset the scroll
4105 handle size to normal and do a final redraw. Otherwise do
4110 int start
= XINT (bar
->start
);
4111 int end
= XINT (bar
->end
);
4113 si
.cbSize
= sizeof (si
);
4114 si
.fMask
= SIF_PAGE
| SIF_POS
;
4115 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4116 si
.nPos
= last_scroll_bar_drag_pos
;
4117 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4121 emacs_event
->kind
= NO_EVENT
;
4125 XSETINT (emacs_event
->x
, y
);
4126 XSETINT (emacs_event
->y
, top_range
);
4132 /* Return information to the user about the current position of the mouse
4133 on the scroll bar. */
4136 x_scroll_bar_report_motion (struct frame
**fp
, Lisp_Object
*bar_window
,
4137 enum scroll_bar_part
*part
,
4138 Lisp_Object
*x
, Lisp_Object
*y
,
4139 unsigned long *time
)
4141 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4142 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4143 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4145 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4151 *bar_window
= bar
->window
;
4153 si
.cbSize
= sizeof (si
);
4154 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4156 GetScrollInfo (w
, SB_CTL
, &si
);
4158 top_range
= si
.nMax
- si
.nPage
+ 1;
4160 switch (LOWORD (last_mouse_scroll_bar_pos
))
4162 case SB_THUMBPOSITION
:
4164 *part
= scroll_bar_handle
;
4165 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4166 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4169 *part
= scroll_bar_handle
;
4173 *part
= scroll_bar_handle
;
4178 XSETINT (*y
, top_range
);
4181 last_mouse_scroll_bar
= Qnil
;
4183 *time
= last_mouse_movement_time
;
4189 /* The screen has been cleared so we may have changed foreground or
4190 background colors, and the scroll bars may need to be redrawn.
4191 Clear out the scroll bars, and ask for expose events, so we can
4195 x_scroll_bar_clear (struct frame
*f
)
4199 /* We can have scroll bars even if this is 0,
4200 if we just turned off scroll bar mode.
4201 But in that case we should not clear them. */
4202 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4203 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4204 bar
= XSCROLL_BAR (bar
)->next
)
4206 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4207 HDC hdc
= GetDC (window
);
4210 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4211 arranges to refresh the scroll bar if hidden. */
4212 my_show_window (f
, window
, SW_HIDE
);
4214 GetClientRect (window
, &rect
);
4215 select_palette (f
, hdc
);
4216 w32_clear_rect (f
, hdc
, &rect
);
4217 deselect_palette (f
, hdc
);
4219 ReleaseDC (window
, hdc
);
4224 /* The main W32 event-reading loop - w32_read_socket. */
4226 /* Record the last 100 characters stored
4227 to help debug the loss-of-chars-during-GC problem. */
4229 static int temp_index
;
4230 static short temp_buffer
[100];
4232 /* Temporarily store lead byte of DBCS input sequences. */
4233 static char dbcs_lead
= 0;
4235 /* Read events coming from the W32 shell.
4236 This routine is called by the SIGIO handler.
4237 We return as soon as there are no more events to be read.
4239 For an overview of how Emacs input works on MS-Windows, see the
4240 commentary before w32_msg_pump in w32fns.c.
4242 We return the number of characters stored into the buffer,
4243 thus pretending to be `read'.
4245 Some of these messages are reposted back to the message queue since the
4246 system calls the windows proc directly in a context where we cannot return
4247 the data nor can we guarantee the state we are in. So if we dispatch them
4248 we will get into an infinite loop. To prevent this from ever happening we
4249 will set a variable to indicate we are in the read_socket call and indicate
4250 which message we are processing since the windows proc gets called
4251 recursively with different messages by the system.
4255 w32_read_socket (struct terminal
*terminal
,
4256 struct input_event
*hold_quit
)
4259 int check_visibility
= 0;
4262 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4263 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4268 /* So people can tell when we have read the available input. */
4269 input_signal_count
++;
4271 /* Process any incoming thread messages. */
4272 drain_message_queue ();
4274 /* TODO: ghostscript integration. */
4275 while (get_next_msg (&msg
, FALSE
))
4277 struct input_event inev
;
4280 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4281 /* w32_name_of_message (msg.msg.message), */
4282 /* msg.msg.time)); */
4285 inev
.kind
= NO_EVENT
;
4288 switch (msg
.msg
.message
)
4290 case WM_EMACS_PAINT
:
4291 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4295 if (msg
.rect
.right
== msg
.rect
.left
||
4296 msg
.rect
.bottom
== msg
.rect
.top
)
4298 /* We may get paint messages even though the client
4299 area is clipped - these are not expose events. */
4300 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4303 else if (FRAME_VISIBLE_P (f
) != 1)
4305 bool iconified
= FRAME_ICONIFIED_P (f
);
4307 /* Definitely not obscured, so mark as visible. */
4308 SET_FRAME_VISIBLE (f
, 1);
4309 SET_FRAME_ICONIFIED (f
, 0);
4310 SET_FRAME_GARBAGED (f
);
4311 if (!f
->output_data
.w32
->asked_for_visible
)
4312 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4315 /* WM_PAINT serves as MapNotify as well, so report
4316 visibility changes properly. */
4319 inev
.kind
= DEICONIFY_EVENT
;
4320 XSETFRAME (inev
.frame_or_window
, f
);
4322 else if (!NILP (Vframe_list
) && !NILP (XCDR (Vframe_list
)))
4323 /* Force a redisplay sooner or later to update the
4324 frame titles in case this is the second frame. */
4325 record_asynch_buffer_change ();
4329 HDC hdc
= get_frame_dc (f
);
4331 /* Erase background again for safety. */
4332 w32_clear_rect (f
, hdc
, &msg
.rect
);
4333 release_frame_dc (f
, hdc
);
4337 msg
.rect
.right
- msg
.rect
.left
,
4338 msg
.rect
.bottom
- msg
.rect
.top
);
4343 case WM_INPUTLANGCHANGE
:
4344 /* Generate a language change event. */
4345 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4347 /* lParam contains the input language ID in its low 16 bits.
4348 Use it to update our record of the keyboard codepage. */
4349 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4354 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4355 XSETFRAME (inev
.frame_or_window
, f
);
4356 inev
.code
= w32_keyboard_codepage
;
4357 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4363 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4365 if (f
&& !FRAME_ICONIFIED_P (f
))
4367 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4368 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4370 clear_mouse_face (hlinfo
);
4371 hlinfo
->mouse_face_hidden
= 1;
4374 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4376 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4377 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4378 inev
.code
= msg
.msg
.wParam
;
4379 inev
.modifiers
= msg
.dwModifiers
;
4380 XSETFRAME (inev
.frame_or_window
, f
);
4381 inev
.timestamp
= msg
.msg
.time
;
4388 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4390 if (f
&& !FRAME_ICONIFIED_P (f
))
4392 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4393 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4395 clear_mouse_face (hlinfo
);
4396 hlinfo
->mouse_face_hidden
= 1;
4399 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4401 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4403 inev
.modifiers
= msg
.dwModifiers
;
4404 XSETFRAME (inev
.frame_or_window
, f
);
4405 inev
.timestamp
= msg
.msg
.time
;
4407 if (msg
.msg
.message
== WM_UNICHAR
)
4409 inev
.code
= msg
.msg
.wParam
;
4411 else if (msg
.msg
.wParam
< 256)
4416 dbcs
[1] = (char) msg
.msg
.wParam
;
4420 dbcs
[0] = dbcs_lead
;
4422 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4426 DebPrint (("Invalid DBCS sequence: %d %d\n",
4428 inev
.kind
= NO_EVENT
;
4432 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4433 (BYTE
) msg
.msg
.wParam
))
4435 dbcs_lead
= (char) msg
.msg
.wParam
;
4436 inev
.kind
= NO_EVENT
;
4441 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4442 &dbcs
[1], 1, &code
, 1))
4444 /* What to do with garbage? */
4445 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4446 inev
.kind
= NO_EVENT
;
4454 /* Windows shouldn't generate WM_CHAR events above 0xFF
4455 in non-Unicode message handlers. */
4456 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4457 inev
.kind
= NO_EVENT
;
4460 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4461 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4466 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4468 if (f
&& !FRAME_ICONIFIED_P (f
))
4470 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4471 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4473 clear_mouse_face (hlinfo
);
4474 hlinfo
->mouse_face_hidden
= 1;
4477 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4479 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4480 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4481 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4482 inev
.modifiers
= msg
.dwModifiers
;
4483 XSETFRAME (inev
.frame_or_window
, f
);
4484 inev
.timestamp
= msg
.msg
.time
;
4489 /* Ignore non-movement. */
4491 int x
= LOWORD (msg
.msg
.lParam
);
4492 int y
= HIWORD (msg
.msg
.lParam
);
4493 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4495 last_mousemove_x
= x
;
4496 last_mousemove_y
= y
;
4499 previous_help_echo_string
= help_echo_string
;
4500 help_echo_string
= Qnil
;
4502 if (dpyinfo
->grabbed
&& last_mouse_frame
4503 && FRAME_LIVE_P (last_mouse_frame
))
4504 f
= last_mouse_frame
;
4506 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4508 if (hlinfo
->mouse_face_hidden
)
4510 hlinfo
->mouse_face_hidden
= 0;
4511 clear_mouse_face (hlinfo
);
4516 /* Generate SELECT_WINDOW_EVENTs when needed. */
4517 if (!NILP (Vmouse_autoselect_window
))
4520 int x
= LOWORD (msg
.msg
.lParam
);
4521 int y
= HIWORD (msg
.msg
.lParam
);
4523 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4525 /* Window will be selected only when it is not
4526 selected now and last mouse movement event was
4527 not in it. Minibuffer window will be selected
4528 only when it is active. */
4529 if (WINDOWP (window
)
4530 && !EQ (window
, last_window
)
4531 && !EQ (window
, selected_window
)
4532 /* For click-to-focus window managers
4533 create event iff we don't leave the
4535 && (focus_follows_mouse
4536 || (EQ (XWINDOW (window
)->frame
,
4537 XWINDOW (selected_window
)->frame
))))
4539 inev
.kind
= SELECT_WINDOW_EVENT
;
4540 inev
.frame_or_window
= window
;
4543 last_window
= window
;
4545 if (!note_mouse_movement (f
, &msg
.msg
))
4546 help_echo_string
= previous_help_echo_string
;
4550 /* If we move outside the frame, then we're
4551 certainly no longer on any text in the frame. */
4552 clear_mouse_face (hlinfo
);
4555 /* If the contents of the global variable help_echo_string
4556 has changed, generate a HELP_EVENT. */
4557 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4558 But it was originally changed to this to fix a bug, so I have
4559 not removed it completely in case the bug is still there. */
4560 if (help_echo_string
!= previous_help_echo_string
||
4561 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4562 #else /* This is what xterm.c does. */
4563 if (!NILP (help_echo_string
)
4564 || !NILP (previous_help_echo_string
))
4569 case WM_LBUTTONDOWN
:
4571 case WM_MBUTTONDOWN
:
4573 case WM_RBUTTONDOWN
:
4575 case WM_XBUTTONDOWN
:
4578 /* If we decide we want to generate an event to be seen
4579 by the rest of Emacs, we put it here. */
4580 bool tool_bar_p
= 0;
4584 if (dpyinfo
->grabbed
&& last_mouse_frame
4585 && FRAME_LIVE_P (last_mouse_frame
))
4586 f
= last_mouse_frame
;
4588 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4592 construct_mouse_click (&inev
, &msg
, f
);
4594 /* Is this in the tool-bar? */
4595 if (WINDOWP (f
->tool_bar_window
)
4596 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4599 int x
= XFASTINT (inev
.x
);
4600 int y
= XFASTINT (inev
.y
);
4602 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4604 if (EQ (window
, f
->tool_bar_window
))
4606 w32_handle_tool_bar_click (f
, &inev
);
4612 || (dpyinfo
->w32_focus_frame
4613 && f
!= dpyinfo
->w32_focus_frame
))
4614 inev
.kind
= NO_EVENT
;
4617 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4622 dpyinfo
->grabbed
&= ~ (1 << button
);
4626 dpyinfo
->grabbed
|= (1 << button
);
4627 last_mouse_frame
= f
;
4628 /* Ignore any mouse motion that happened
4629 before this event; any subsequent mouse-movement
4630 Emacs events should reflect only motion after
4636 last_tool_bar_item
= -1;
4642 case WM_MOUSEHWHEEL
:
4644 if (dpyinfo
->grabbed
&& last_mouse_frame
4645 && FRAME_LIVE_P (last_mouse_frame
))
4646 f
= last_mouse_frame
;
4648 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4653 if (!dpyinfo
->w32_focus_frame
4654 || f
== dpyinfo
->w32_focus_frame
)
4656 /* Emit an Emacs wheel-up/down event. */
4657 construct_mouse_wheel (&inev
, &msg
, f
);
4659 /* Ignore any mouse motion that happened before this
4660 event; any subsequent mouse-movement Emacs events
4661 should reflect only motion after the
4665 last_mouse_frame
= f
;
4666 last_tool_bar_item
= -1;
4671 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4674 construct_drag_n_drop (&inev
, &msg
, f
);
4679 struct scroll_bar
*bar
=
4680 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4683 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4687 case WM_WINDOWPOSCHANGED
:
4689 case WM_ACTIVATEAPP
:
4690 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4693 /* Run the full-screen hook function also when we are
4694 being activated, to actually install the required
4695 size in effect, if the WAIT flag is set. This is
4696 because when the hook is run from x_set_fullscreen,
4697 the frame might not yet be visible, if that call is a
4698 result of make-frame, and in that case the hook just
4699 sets the WAIT flag. */
4700 if ((msg
.msg
.message
== WM_WINDOWPOSCHANGED
|| msg
.msg
.wParam
)
4701 && (f
->want_fullscreen
& FULLSCREEN_WAIT
))
4702 w32fullscreen_hook (f
);
4703 x_check_fullscreen (f
);
4705 check_visibility
= 1;
4709 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4711 if (f
&& !FRAME_ICONIFIED_P (f
))
4715 x_real_positions (f
, &x
, &y
);
4720 check_visibility
= 1;
4724 /* wParam non-zero means Window is about to be shown, 0 means
4725 about to be hidden. */
4726 /* Redo the mouse-highlight after the tooltip has gone. */
4727 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4730 redo_mouse_highlight ();
4733 /* If window has been obscured or exposed by another window
4734 being maximized or minimized/restored, then recheck
4735 visibility of all frames. Direct changes to our own
4736 windows get handled by WM_SIZE. */
4738 if (msg
.msg
.lParam
!= 0)
4739 check_visibility
= 1;
4742 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4743 f
->async_visible
= msg
.msg
.wParam
;
4747 check_visibility
= 1;
4751 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4753 /* Inform lisp of whether frame has been iconified etc. */
4756 switch (msg
.msg
.wParam
)
4758 case SIZE_MINIMIZED
:
4759 SET_FRAME_VISIBLE (f
, 0);
4760 SET_FRAME_ICONIFIED (f
, 1);
4762 inev
.kind
= ICONIFY_EVENT
;
4763 XSETFRAME (inev
.frame_or_window
, f
);
4766 case SIZE_MAXIMIZED
:
4769 bool iconified
= FRAME_ICONIFIED_P (f
);
4772 SET_FRAME_VISIBLE (f
, 1);
4773 SET_FRAME_ICONIFIED (f
, 0);
4775 /* wait_reading_process_output will notice this
4776 and update the frame's display structures. */
4777 SET_FRAME_GARBAGED (f
);
4783 /* Reset top and left positions of the Window
4784 here since Windows sends a WM_MOVE message
4785 BEFORE telling us the Window is minimized
4786 when the Window is iconified, with 3000,3000
4788 x_real_positions (f
, &x
, &y
);
4792 inev
.kind
= DEICONIFY_EVENT
;
4793 XSETFRAME (inev
.frame_or_window
, f
);
4795 else if (! NILP (Vframe_list
)
4796 && ! NILP (XCDR (Vframe_list
)))
4797 /* Force a redisplay sooner or later
4798 to update the frame titles
4799 in case this is the second frame. */
4800 record_asynch_buffer_change ();
4806 if (f
&& !FRAME_ICONIFIED_P (f
) && msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4814 GetClientRect (msg
.msg
.hwnd
, &rect
);
4816 height
= rect
.bottom
- rect
.top
;
4817 width
= rect
.right
- rect
.left
;
4819 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4820 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4822 /* TODO: Clip size to the screen dimensions. */
4824 /* Even if the number of character rows and columns has
4825 not changed, the font size may have changed, so we need
4826 to check the pixel dimensions as well. */
4828 if (columns
!= FRAME_COLS (f
)
4829 || rows
!= FRAME_LINES (f
)
4830 || width
!= FRAME_PIXEL_WIDTH (f
)
4831 || height
!= FRAME_PIXEL_HEIGHT (f
))
4833 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4834 SET_FRAME_GARBAGED (f
);
4835 cancel_mouse_face (f
);
4836 FRAME_PIXEL_WIDTH (f
) = width
;
4837 FRAME_PIXEL_HEIGHT (f
) = height
;
4838 f
->win_gravity
= NorthWestGravity
;
4842 check_visibility
= 1;
4846 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4849 if (f
== hlinfo
->mouse_face_mouse_frame
)
4851 /* If we move outside the frame, then we're
4852 certainly no longer on any text in the frame. */
4853 clear_mouse_face (hlinfo
);
4854 hlinfo
->mouse_face_mouse_frame
= 0;
4857 /* Generate a nil HELP_EVENT to cancel a help-echo.
4858 Do it only if there's something to cancel.
4859 Otherwise, the startup message is cleared when
4860 the mouse leaves the frame. */
4861 if (any_help_event_p
)
4867 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4869 dpyinfo
->grabbed
= 0;
4870 check_visibility
= 1;
4874 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4875 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4879 if (f
== hlinfo
->mouse_face_mouse_frame
)
4881 /* If we move outside the frame, then we're
4882 certainly no longer on any text in the frame. */
4883 clear_mouse_face (hlinfo
);
4884 hlinfo
->mouse_face_mouse_frame
= 0;
4887 /* Generate a nil HELP_EVENT to cancel a help-echo.
4888 Do it only if there's something to cancel.
4889 Otherwise, the startup message is cleared when
4890 the mouse leaves the frame. */
4891 if (any_help_event_p
)
4895 dpyinfo
->grabbed
= 0;
4896 check_visibility
= 1;
4900 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4904 inev
.kind
= DELETE_WINDOW_EVENT
;
4905 XSETFRAME (inev
.frame_or_window
, f
);
4910 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4914 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4915 XSETFRAME (inev
.frame_or_window
, f
);
4920 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4924 extern void menubar_selection_callback
4925 (struct frame
*f
, void * client_data
);
4926 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4929 check_visibility
= 1;
4932 case WM_DISPLAYCHANGE
:
4933 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4937 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4938 DebPrint (("display change: %d %d\n",
4939 (short) LOWORD (msg
.msg
.lParam
),
4940 (short) HIWORD (msg
.msg
.lParam
)));
4943 check_visibility
= 1;
4947 case WM_EMACS_FILENOTIFY
:
4948 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4950 queue_notifications (&inev
, &msg
, f
, &count
);
4955 /* Check for messages registered at runtime. */
4956 if (msg
.msg
.message
== msh_mousewheel
)
4958 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4959 msg
.msg
.message
= WM_MOUSEWHEEL
;
4965 if (inev
.kind
!= NO_EVENT
)
4967 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4972 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4977 XSETFRAME (frame
, f
);
4983 if (NILP (help_echo_string
))
4985 help_echo_object
= help_echo_window
= Qnil
;
4989 any_help_event_p
= 1;
4990 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4991 help_echo_object
, help_echo_pos
);
4995 help_echo_string
= Qnil
;
4996 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
5002 /* If the focus was just given to an autoraising frame,
5004 /* ??? This ought to be able to handle more than one such frame. */
5005 if (pending_autoraise_frame
)
5007 x_raise_frame (pending_autoraise_frame
);
5008 pending_autoraise_frame
= 0;
5011 /* Check which frames are still visible, if we have enqueued any user
5012 events or been notified of events that may affect visibility. We
5013 do this here because there doesn't seem to be any direct
5014 notification from Windows that the visibility of a window has
5015 changed (at least, not in all cases). */
5016 if (count
> 0 || check_visibility
)
5018 Lisp_Object tail
, frame
;
5020 FOR_EACH_FRAME (tail
, frame
)
5022 struct frame
*f
= XFRAME (frame
);
5023 /* The tooltip has been drawn already. Avoid the
5024 SET_FRAME_GARBAGED below. */
5025 if (EQ (frame
, tip_frame
))
5028 /* Check "visible" frames and mark each as obscured or not.
5029 Note that visible is nonzero for unobscured and obscured
5030 frames, but zero for hidden and iconified frames. */
5031 if (FRAME_W32_P (f
) && FRAME_VISIBLE_P (f
))
5038 /* Query clipping rectangle for the entire window area
5039 (GetWindowDC), not just the client portion (GetDC).
5040 Otherwise, the scrollbars and menubar aren't counted as
5041 part of the visible area of the frame, and we may think
5042 the frame is obscured when really a scrollbar is still
5043 visible and gets WM_PAINT messages above. */
5044 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
5045 GetClipBox (hdc
, &clipbox
);
5046 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5049 obscured
= FRAME_OBSCURED_P (f
);
5051 if (clipbox
.right
== clipbox
.left
|| clipbox
.bottom
== clipbox
.top
)
5053 /* Frame has become completely obscured so mark as such (we
5054 do this by setting visible to 2 so that FRAME_VISIBLE_P
5055 is still true, but redisplay will skip it). */
5056 SET_FRAME_VISIBLE (f
, 2);
5059 DebPrint (("frame %p (%s) obscured\n", f
, SDATA (f
->name
)));
5063 /* Frame is not obscured, so mark it as such. */
5064 SET_FRAME_VISIBLE (f
, 1);
5068 SET_FRAME_GARBAGED (f
);
5069 DebPrint (("obscured frame %p (%s) found to be visible\n",
5070 f
, SDATA (f
->name
)));
5072 /* Force a redisplay sooner or later. */
5073 record_asynch_buffer_change ();
5086 /***********************************************************************
5088 ***********************************************************************/
5090 /* Set clipping for output in glyph row ROW. W is the window in which
5091 we operate. GC is the graphics context to set clipping in.
5093 ROW may be a text row or, e.g., a mode line. Text rows must be
5094 clipped to the interior of the window dedicated to text display,
5095 mode lines must be clipped to the whole window. */
5098 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
,
5099 enum glyph_row_area area
, HDC hdc
)
5102 int window_x
, window_y
, window_width
;
5104 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5106 clip_rect
.left
= window_x
;
5107 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5108 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5109 clip_rect
.right
= clip_rect
.left
+ window_width
;
5110 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5112 w32_set_clip_rectangle (hdc
, &clip_rect
);
5116 /* Draw a hollow box cursor on window W in glyph row ROW. */
5119 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5121 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5125 struct glyph
*cursor_glyph
;
5126 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5128 /* Get the glyph the cursor is on. If we can't tell because
5129 the current matrix is invalid or such, give up. */
5130 cursor_glyph
= get_phys_cursor_glyph (w
);
5131 if (cursor_glyph
== NULL
)
5137 /* Compute frame-relative coordinates for phys cursor. */
5138 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5141 rect
.bottom
= rect
.top
+ h
;
5142 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5144 hdc
= get_frame_dc (f
);
5145 /* Set clipping, draw the rectangle, and reset clipping again. */
5146 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5147 FrameRect (hdc
, &rect
, hb
);
5149 w32_set_clip_rectangle (hdc
, NULL
);
5150 release_frame_dc (f
, hdc
);
5154 /* Draw a bar cursor on window W in glyph row ROW.
5156 Implementation note: One would like to draw a bar cursor with an
5157 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5158 Unfortunately, I didn't find a font yet that has this property set.
5162 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5163 int width
, enum text_cursor_kinds kind
)
5165 struct frame
*f
= XFRAME (w
->frame
);
5166 struct glyph
*cursor_glyph
;
5168 /* If cursor is out of bounds, don't draw garbage. This can happen
5169 in mini-buffer windows when switching between echo area glyphs
5171 cursor_glyph
= get_phys_cursor_glyph (w
);
5172 if (cursor_glyph
== NULL
)
5175 /* If on an image, draw like a normal cursor. That's usually better
5176 visible than drawing a bar, esp. if the image is large so that
5177 the bar might not be in the window. */
5178 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5180 struct glyph_row
*row
;
5181 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5182 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5186 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5187 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5191 /* If the glyph's background equals the color we normally draw
5192 the bar cursor in, the bar cursor in its normal color is
5193 invisible. Use the glyph's foreground color instead in this
5194 case, on the assumption that the glyph's colors are chosen so
5195 that the glyph is legible. */
5196 if (face
->background
== cursor_color
)
5197 cursor_color
= face
->foreground
;
5199 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5201 hdc
= get_frame_dc (f
);
5202 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5204 if (kind
== BAR_CURSOR
)
5207 width
= FRAME_CURSOR_WIDTH (f
);
5208 width
= min (cursor_glyph
->pixel_width
, width
);
5210 w
->phys_cursor_width
= width
;
5212 /* If the character under cursor is R2L, draw the bar cursor
5213 on the right of its glyph, rather than on the left. */
5214 if ((cursor_glyph
->resolved_level
& 1) != 0)
5215 x
+= cursor_glyph
->pixel_width
- width
;
5217 w32_fill_area (f
, hdc
, cursor_color
, x
,
5218 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5219 width
, row
->height
);
5223 int dummy_x
, dummy_y
, dummy_h
;
5226 width
= row
->height
;
5228 width
= min (row
->height
, width
);
5230 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5231 &dummy_y
, &dummy_h
);
5232 w32_fill_area (f
, hdc
, cursor_color
, x
,
5233 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5234 row
->height
- width
),
5235 w
->phys_cursor_width
, width
);
5238 w32_set_clip_rectangle (hdc
, NULL
);
5239 release_frame_dc (f
, hdc
);
5244 /* RIF: Define cursor CURSOR on frame F. */
5247 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5249 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5253 /* RIF: Clear area on frame F. */
5256 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5260 hdc
= get_frame_dc (f
);
5261 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5262 release_frame_dc (f
, hdc
);
5265 /* RIF: Draw or clear cursor on window W. */
5268 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5269 int x
, int y
, enum text_cursor_kinds cursor_type
,
5270 int cursor_width
, bool on_p
, bool active_p
)
5274 /* If the user wants to use the system caret, make sure our own
5275 cursor remains invisible. */
5276 if (w32_use_visible_system_caret
)
5278 /* Call to erase_phys_cursor here seems to use the
5279 wrong values of w->phys_cursor, as they have been
5280 overwritten before this function was called. */
5281 if (w
->phys_cursor_type
!= NO_CURSOR
)
5282 erase_phys_cursor (w
);
5284 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5285 w
->phys_cursor_width
= -1;
5289 w
->phys_cursor_type
= cursor_type
;
5292 w
->phys_cursor_on_p
= 1;
5294 /* If this is the active cursor, we need to track it with the
5295 system caret, so third party software like screen magnifiers
5296 and speech synthesizers can follow the cursor. */
5299 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5300 HWND hwnd
= FRAME_W32_WINDOW (f
);
5303 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5305 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5306 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5307 w32_system_caret_window
= w
;
5308 w32_system_caret_hdr_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
5309 w32_system_caret_mode_height
= WINDOW_MODE_LINE_HEIGHT (w
);
5311 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5313 /* If the size of the active cursor changed, destroy the old
5315 if (w32_system_caret_hwnd
5316 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5317 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5319 w32_system_caret_height
= w
->phys_cursor_height
;
5321 /* Move the system caret. */
5322 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5325 if (glyph_row
->exact_window_width_line_p
5326 && (glyph_row
->reversed_p
5327 ? (w
->phys_cursor
.hpos
< 0)
5328 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5330 glyph_row
->cursor_in_fringe_p
= 1;
5331 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5335 switch (cursor_type
)
5337 case HOLLOW_BOX_CURSOR
:
5338 x_draw_hollow_cursor (w
, glyph_row
);
5341 case FILLED_BOX_CURSOR
:
5342 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5346 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5350 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5354 w
->phys_cursor_width
= 0;
5368 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5371 HANDLE small_icon
= NULL
;
5373 if (FRAME_W32_WINDOW (f
) == 0)
5377 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5378 else if (STRINGP (icon
))
5380 /* Load the main icon from the named file. */
5381 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5382 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5383 /* Try to load a small icon to go with it. */
5384 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5385 GetSystemMetrics (SM_CXSMICON
),
5386 GetSystemMetrics (SM_CYSMICON
),
5389 else if (SYMBOLP (icon
))
5393 if (EQ (icon
, intern ("application")))
5394 name
= (LPCTSTR
) IDI_APPLICATION
;
5395 else if (EQ (icon
, intern ("hand")))
5396 name
= (LPCTSTR
) IDI_HAND
;
5397 else if (EQ (icon
, intern ("question")))
5398 name
= (LPCTSTR
) IDI_QUESTION
;
5399 else if (EQ (icon
, intern ("exclamation")))
5400 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5401 else if (EQ (icon
, intern ("asterisk")))
5402 name
= (LPCTSTR
) IDI_ASTERISK
;
5403 else if (EQ (icon
, intern ("winlogo")))
5404 name
= (LPCTSTR
) IDI_WINLOGO
;
5408 main_icon
= LoadIcon (NULL
, name
);
5413 if (main_icon
== NULL
)
5416 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5417 (LPARAM
) main_icon
);
5419 /* If there is a small icon that goes with it, set that too. */
5421 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5422 (LPARAM
) small_icon
);
5428 /************************************************************************
5430 ************************************************************************/
5432 /* Display Error Handling functions not used on W32. Listing them here
5433 helps diff stay in step when comparing w32term.c with xterm.c.
5435 x_error_catcher (display, error)
5436 x_catch_errors (dpy)
5437 x_catch_errors_unwind (old_val)
5438 x_check_errors (dpy, format)
5439 x_fully_uncatch_errors ()
5440 x_had_errors_p (dpy)
5441 x_clear_errors (dpy)
5442 x_uncatch_errors (dpy, count)
5444 x_connection_signal (signalnum)
5445 x_connection_closed (dpy, error_message)
5446 x_error_quitter (display, error)
5447 x_error_handler (display, error)
5448 x_io_error_quitter (display)
5453 /* Changing the font of the frame. */
5456 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5458 struct font
*font
= XFONT_OBJECT (font_object
);
5461 fontset
= fontset_from_font (font_object
);
5462 FRAME_FONTSET (f
) = fontset
;
5463 if (FRAME_FONT (f
) == font
)
5464 /* This font is already set in frame F. There's nothing more to
5468 FRAME_FONT (f
) = font
;
5469 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5470 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5471 FRAME_LINE_HEIGHT (f
) = font
->height
;
5473 compute_fringe_widths (f
, 1);
5475 /* Compute the scroll bar width in character columns. */
5476 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5478 int wid
= FRAME_COLUMN_WIDTH (f
);
5479 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5480 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5484 int wid
= FRAME_COLUMN_WIDTH (f
);
5485 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5488 /* Now make the frame display the given font. */
5489 if (FRAME_X_WINDOW (f
) != 0)
5491 /* Don't change the size of a tip frame; there's no point in
5492 doing it because it's done in Fx_show_tip, and it leads to
5493 problems because the tip frame has no widget. */
5494 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5495 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5498 /* X version sets font of input methods here also. */
5504 /***********************************************************************
5505 TODO: W32 Input Methods
5506 ***********************************************************************/
5507 /* Listing missing functions from xterm.c helps diff stay in step.
5509 xim_destroy_callback (xim, client_data, call_data)
5510 xim_open_dpy (dpyinfo, resource_name)
5512 xim_instantiate_callback (display, client_data, call_data)
5513 xim_initialize (dpyinfo, resource_name)
5514 xim_close_dpy (dpyinfo)
5519 /* Calculate the absolute position in frame F
5520 from its current recorded position values and gravity. */
5523 x_calc_absolute_position (struct frame
*f
)
5525 int flags
= f
->size_hint_flags
;
5527 /* The sum of the widths of the frame's left and right borders, and
5528 the sum of the heights of the frame's top and bottom borders (in
5529 pixels) drawn by Windows. */
5530 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5532 /* Try to get the actual values of these two variables. We compute
5533 the border width (height) by subtracting the width (height) of
5534 the frame's client area from the width (height) of the frame's
5536 WINDOWPLACEMENT wp
= { 0 };
5537 RECT client_rect
= { 0 };
5539 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5540 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5542 left_right_borders_width
=
5543 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5544 (client_rect
.right
- client_rect
.left
);
5546 top_bottom_borders_height
=
5547 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5548 (client_rect
.bottom
- client_rect
.top
);
5552 /* Use sensible default values. */
5553 left_right_borders_width
= 8;
5554 top_bottom_borders_height
= 32;
5557 /* Treat negative positions as relative to the rightmost bottommost
5558 position that fits on the screen. */
5559 if (flags
& XNegative
)
5560 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5561 - FRAME_PIXEL_WIDTH (f
)
5563 - (left_right_borders_width
- 1));
5565 if (flags
& YNegative
)
5566 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5567 - FRAME_PIXEL_HEIGHT (f
)
5569 - (top_bottom_borders_height
- 1));
5571 /* The left_pos and top_pos are now relative to the top and left
5572 screen edges, so the flags should correspond. */
5573 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5576 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5577 to really change the position, and 0 when calling from
5578 x_make_frame_visible (in that case, XOFF and YOFF are the current
5579 position values). It is -1 when calling from x_set_frame_parameters,
5580 which means, do adjust for borders but don't change the gravity. */
5583 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5586 int modified_top
, modified_left
;
5588 if (change_gravity
> 0)
5592 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5594 f
->size_hint_flags
|= XNegative
;
5596 f
->size_hint_flags
|= YNegative
;
5597 f
->win_gravity
= NorthWestGravity
;
5599 x_calc_absolute_position (f
);
5602 x_wm_set_size_hint (f
, (long) 0, 0);
5604 modified_left
= f
->left_pos
;
5605 modified_top
= f
->top_pos
;
5607 my_set_window_pos (FRAME_W32_WINDOW (f
),
5609 modified_left
, modified_top
,
5611 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5616 /* Check if we need to resize the frame due to a fullscreen request.
5617 If so needed, resize the frame. */
5619 x_check_fullscreen (struct frame
*f
)
5621 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5623 int width
, height
, ign
;
5625 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5627 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5629 /* We do not need to move the window, it shall be taken care of
5630 when setting WM manager hints. */
5631 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5633 change_frame_size (f
, height
, width
, 0, 1, 0);
5634 SET_FRAME_GARBAGED (f
);
5635 cancel_mouse_face (f
);
5637 /* Wait for the change of frame size to occur. */
5638 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5644 w32fullscreen_hook (struct frame
*f
)
5646 if (FRAME_VISIBLE_P (f
))
5648 HWND hwnd
= FRAME_W32_WINDOW(f
);
5649 DWORD dwStyle
= GetWindowLong (hwnd
, GWL_STYLE
);
5653 f
->want_fullscreen
&= ~FULLSCREEN_WAIT
;
5655 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_NONE
)
5656 GetWindowPlacement (hwnd
, &FRAME_NORMAL_PLACEMENT (f
));
5658 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_BOTH
)
5660 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
| WS_OVERLAPPEDWINDOW
);
5661 SetWindowPos (hwnd
, NULL
, 0, 0, 0, 0,
5662 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOZORDER
|
5663 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5666 w32_fullscreen_rect (hwnd
, f
->want_fullscreen
,
5667 FRAME_NORMAL_PLACEMENT (f
).rcNormalPosition
, &rect
);
5668 FRAME_PREV_FSMODE (f
) = f
->want_fullscreen
;
5669 if (f
->want_fullscreen
== FULLSCREEN_MAXIMIZED
)
5670 PostMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, 0xf030, 0);
5671 else if (f
->want_fullscreen
== FULLSCREEN_BOTH
)
5673 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
& ~WS_OVERLAPPEDWINDOW
);
5674 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5675 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
,
5676 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5680 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5681 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
, 0);
5684 f
->want_fullscreen
= FULLSCREEN_NONE
;
5688 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5691 /* Call this to change the size of frame F's x-window.
5692 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5693 for this size change and subsequent size changes.
5694 Otherwise we leave the window gravity unchanged. */
5697 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5699 int pixelwidth
, pixelheight
;
5703 check_frame_size (f
, &rows
, &cols
);
5704 f
->scroll_bar_actual_width
5705 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5707 compute_fringe_widths (f
, 0);
5709 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5710 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5712 f
->win_gravity
= NorthWestGravity
;
5713 x_wm_set_size_hint (f
, (long) 0, 0);
5718 rect
.left
= rect
.top
= 0;
5719 rect
.right
= pixelwidth
;
5720 rect
.bottom
= pixelheight
;
5722 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5723 FRAME_EXTERNAL_MENU_BAR (f
));
5725 my_set_window_pos (FRAME_W32_WINDOW (f
),
5728 rect
.right
- rect
.left
,
5729 rect
.bottom
- rect
.top
,
5730 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5734 /* The following mirrors what is done in xterm.c. It appears to be
5735 for informing lisp of the new size immediately, while the actual
5736 resize will happen asynchronously. But on Windows, the menu bar
5737 automatically wraps when the frame is too narrow to contain it,
5738 and that causes any calculations made here to come out wrong. The
5739 end is some nasty buggy behavior, including the potential loss
5742 Disabling this code is either not sufficient to fix the problems
5743 completely, or it causes fresh problems, but at least it removes
5744 the most problematic symptom of the minibuffer becoming unusable.
5746 -----------------------------------------------------------------
5748 Now, strictly speaking, we can't be sure that this is accurate,
5749 but the window manager will get around to dealing with the size
5750 change request eventually, and we'll hear how it went when the
5751 ConfigureNotify event gets here.
5753 We could just not bother storing any of this information here,
5754 and let the ConfigureNotify event set everything up, but that
5755 might be kind of confusing to the Lisp code, since size changes
5756 wouldn't be reported in the frame parameters until some random
5757 point in the future when the ConfigureNotify event arrives.
5759 We pass 1 for DELAY since we can't run Lisp code inside of
5761 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5762 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5763 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5765 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5766 receive in the ConfigureNotify event; if we get what we asked
5767 for, then the event won't cause the screen to become garbaged, so
5768 we have to make sure to do it here. */
5769 SET_FRAME_GARBAGED (f
);
5771 /* If cursor was outside the new size, mark it as off. */
5772 mark_window_cursors_off (XWINDOW (f
->root_window
));
5774 /* Clear out any recollection of where the mouse highlighting was,
5775 since it might be in a place that's outside the new frame size.
5776 Actually checking whether it is outside is a pain in the neck,
5777 so don't try--just let the highlighting be done afresh with new size. */
5778 cancel_mouse_face (f
);
5784 /* Mouse warping. */
5786 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5789 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5793 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5794 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5796 if (pix_x
< 0) pix_x
= 0;
5797 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5799 if (pix_y
< 0) pix_y
= 0;
5800 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5802 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5806 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5813 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5814 pt
.x
= rect
.left
+ pix_x
;
5815 pt
.y
= rect
.top
+ pix_y
;
5816 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5818 SetCursorPos (pt
.x
, pt
.y
);
5824 /* focus shifting, raising and lowering. */
5827 x_focus_on_frame (struct frame
*f
)
5829 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5831 /* Give input focus to frame. */
5834 /* Try not to change its Z-order if possible. */
5835 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5836 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5839 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5843 /* Raise frame F. */
5845 x_raise_frame (struct frame
*f
)
5849 /* Strictly speaking, raise-frame should only change the frame's Z
5850 order, leaving input focus unchanged. This is reasonable behavior
5851 on X where the usual policy is point-to-focus. However, this
5852 behavior would be very odd on Windows where the usual policy is
5855 On X, if the mouse happens to be over the raised frame, it gets
5856 input focus anyway (so the window with focus will never be
5857 completely obscured) - if not, then just moving the mouse over it
5858 is sufficient to give it focus. On Windows, the user must actually
5859 click on the frame (preferably the title bar so as not to move
5860 point), which is more awkward. Also, no other Windows program
5861 raises a window to the top but leaves another window (possibly now
5862 completely obscured) with input focus.
5864 Because there is a system setting on Windows that allows the user
5865 to choose the point to focus policy, we make the strict semantics
5866 optional, but by default we grab focus when raising. */
5868 if (NILP (Vw32_grab_focus_on_raise
))
5870 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5871 not already the foreground application: the frame is raised
5872 above all other frames belonging to us, but not above the
5873 current top window. To achieve that, we have to resort to this
5874 more cumbersome method. */
5876 HDWP handle
= BeginDeferWindowPos (2);
5879 handle
= DeferWindowPos (handle
,
5880 FRAME_W32_WINDOW (f
),
5883 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5886 handle
= DeferWindowPos (handle
,
5887 GetForegroundWindow (),
5888 FRAME_W32_WINDOW (f
),
5890 SWP_NOSIZE
| SWP_NOMOVE
|
5893 EndDeferWindowPos (handle
);
5899 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5905 /* Lower frame F. */
5907 x_lower_frame (struct frame
*f
)
5910 my_set_window_pos (FRAME_W32_WINDOW (f
),
5913 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5918 w32_frame_raise_lower (struct frame
*f
, int raise_flag
)
5920 if (! FRAME_W32_P (f
))
5929 /* Change of visibility. */
5931 /* This tries to wait until the frame is really visible.
5932 However, if the window manager asks the user where to position
5933 the frame, this will return before the user finishes doing that.
5934 The frame will not actually be visible at that time,
5935 but it will become visible later when the window manager
5936 finishes with it. */
5939 x_make_frame_visible (struct frame
*f
)
5945 type
= x_icon_type (f
);
5947 x_bitmap_icon (f
, type
);
5949 if (! FRAME_VISIBLE_P (f
))
5951 /* We test FRAME_GARBAGED_P here to make sure we don't
5952 call x_set_offset a second time
5953 if we get to x_make_frame_visible a second time
5954 before the window gets really visible. */
5955 if (! FRAME_ICONIFIED_P (f
)
5956 && ! f
->output_data
.w32
->asked_for_visible
)
5961 /* Adjust vertical window position in order to avoid being
5962 covered by a task bar placed at the bottom of the desktop. */
5963 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5964 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5965 if (window_rect
.bottom
> workarea_rect
.bottom
5966 && window_rect
.top
> workarea_rect
.top
)
5967 f
->top_pos
= max (window_rect
.top
5968 - window_rect
.bottom
+ workarea_rect
.bottom
,
5971 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5974 f
->output_data
.w32
->asked_for_visible
= 1;
5976 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5977 causes unexpected behavior when unminimizing frames that were
5978 previously maximized. But only SW_SHOWNORMAL works properly for
5979 frames that were truely hidden (using make-frame-invisible), so
5980 we need it to avoid Bug#5482. It seems that iconified is only
5981 set for minimized windows that are still visible, so use that to
5982 determine the appropriate flag to pass ShowWindow. */
5983 my_show_window (f
, FRAME_W32_WINDOW (f
),
5984 FRAME_ICONIFIED_P (f
) ? SW_RESTORE
: SW_SHOWNORMAL
);
5987 /* Synchronize to ensure Emacs knows the frame is visible
5988 before we do anything else. We do this loop with input not blocked
5989 so that incoming events are handled. */
5994 /* This must come after we set COUNT. */
5997 XSETFRAME (frame
, f
);
5999 /* Wait until the frame is visible. Process X events until a
6000 MapNotify event has been seen, or until we think we won't get a
6001 MapNotify at all.. */
6002 for (count
= input_signal_count
+ 10;
6003 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
6005 /* Force processing of queued events. */
6006 /* TODO: x_sync equivalent? */
6008 /* Machines that do polling rather than SIGIO have been observed
6009 to go into a busy-wait here. So we'll fake an alarm signal
6010 to let the handler know that there's something to be read.
6011 We used to raise a real alarm, but it seems that the handler
6012 isn't always enabled here. This is probably a bug. */
6013 if (input_polling_used ())
6015 /* It could be confusing if a real alarm arrives while processing
6016 the fake one. Turn it off and let the handler reset it. */
6017 int old_poll_suppress_count
= poll_suppress_count
;
6018 poll_suppress_count
= 1;
6019 poll_for_input_1 ();
6020 poll_suppress_count
= old_poll_suppress_count
;
6026 /* Change from mapped state to withdrawn state. */
6028 /* Make the frame visible (mapped and not iconified). */
6031 x_make_frame_invisible (struct frame
*f
)
6033 /* Don't keep the highlight on an invisible frame. */
6034 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6035 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6039 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
6041 /* We can't distinguish this from iconification
6042 just by the event that we get from the server.
6043 So we can't win using the usual strategy of letting
6044 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
6045 and synchronize with the server to make sure we agree. */
6046 SET_FRAME_VISIBLE (f
, 0);
6047 SET_FRAME_ICONIFIED (f
, 0);
6052 /* Change window state from mapped to iconified. */
6055 x_iconify_frame (struct frame
*f
)
6059 /* Don't keep the highlight on an invisible frame. */
6060 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6061 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6063 if (FRAME_ICONIFIED_P (f
))
6068 type
= x_icon_type (f
);
6070 x_bitmap_icon (f
, type
);
6072 /* Simulate the user minimizing the frame. */
6073 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6075 SET_FRAME_VISIBLE (f
, 0);
6076 SET_FRAME_ICONIFIED (f
, 1);
6082 /* Free X resources of frame F. */
6085 x_free_frame_resources (struct frame
*f
)
6087 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6088 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
6092 /* We must free faces before destroying windows because some
6093 font-driver (e.g. xft) access a window while finishing a
6095 if (FRAME_FACE_CACHE (f
))
6096 free_frame_faces (f
);
6098 if (FRAME_W32_WINDOW (f
))
6099 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6101 free_frame_menubar (f
);
6103 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6104 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6105 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6106 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6107 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6108 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6109 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6110 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6111 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6112 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6114 if (FRAME_FACE_CACHE (f
))
6115 free_frame_faces (f
);
6117 xfree (f
->output_data
.w32
);
6118 f
->output_data
.w32
= NULL
;
6120 if (f
== dpyinfo
->w32_focus_frame
)
6121 dpyinfo
->w32_focus_frame
= 0;
6122 if (f
== dpyinfo
->w32_focus_event_frame
)
6123 dpyinfo
->w32_focus_event_frame
= 0;
6124 if (f
== dpyinfo
->x_highlight_frame
)
6125 dpyinfo
->x_highlight_frame
= 0;
6126 if (f
== hlinfo
->mouse_face_mouse_frame
)
6127 reset_mouse_highlight (hlinfo
);
6133 /* Destroy the window of frame F. */
6135 x_destroy_window (struct frame
*f
)
6137 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6139 x_free_frame_resources (f
);
6140 dpyinfo
->reference_count
--;
6144 /* Setting window manager hints. */
6146 /* Set the normal size hints for the window manager, for frame F.
6147 FLAGS is the flags word to use--or 0 meaning preserve the flags
6148 that the window now has.
6149 If USER_POSITION, set the USPosition
6150 flag (this is useful when FLAGS is 0). */
6152 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6154 Window window
= FRAME_W32_WINDOW (f
);
6158 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6159 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6160 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6161 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6166 /***********************************************************************
6168 ***********************************************************************/
6172 /* Check that FONT is valid on frame F. It is if it can be found in F's
6176 x_check_font (struct frame
*f
, struct font
*font
)
6178 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6179 if (font
->driver
->check
)
6180 eassert (font
->driver
->check (f
, font
) == 0);
6183 #endif /* GLYPH_DEBUG */
6187 /***********************************************************************
6189 ***********************************************************************/
6191 static int w32_initialized
= 0;
6194 w32_initialize_display_info (Lisp_Object display_name
)
6196 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6198 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6200 /* Put it on w32_display_name_list. */
6201 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6202 w32_display_name_list
);
6203 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6205 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6206 + SCHARS (Vsystem_name
) + 2);
6207 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6208 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6210 /* Default Console mode values - overridden when running in GUI mode
6211 with values obtained from system metrics. */
6214 dpyinfo
->n_planes
= 1;
6215 dpyinfo
->n_cbits
= 4;
6216 dpyinfo
->n_fonts
= 0;
6217 dpyinfo
->smallest_font_height
= 1;
6218 dpyinfo
->smallest_char_width
= 1;
6219 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6220 /* TODO: dpyinfo->gray */
6222 reset_mouse_highlight (&dpyinfo
->mouse_highlight
);
6225 /* Create an xrdb-style database of resources to supersede registry settings.
6226 The database is just a concatenation of C strings, finished by an additional
6227 \0. The strings are submitted to some basic normalization, so
6229 [ *]option[ *]:[ *]value...
6235 but any whitespace following value is not removed. */
6238 w32_make_rdb (char *xrm_option
)
6240 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6241 char *current
= buffer
;
6244 int before_value
= 0;
6258 if (in_option
&& (ch
== ':'))
6263 else if (before_value
)
6268 else if (!(in_option
|| before_value
))
6280 x_flush (struct frame
* f
)
6281 { /* Nothing to do */ }
6284 extern frame_parm_handler w32_frame_parm_handlers
[];
6286 static struct redisplay_interface w32_redisplay_interface
=
6288 w32_frame_parm_handlers
,
6292 x_clear_end_of_line
,
6294 x_after_update_window_line
,
6295 x_update_window_begin
,
6296 x_update_window_end
,
6298 0, /* flush_display_optional */
6299 x_clear_window_mouse_face
,
6300 x_get_glyph_overhangs
,
6301 x_fix_overlapping_area
,
6302 w32_draw_fringe_bitmap
,
6303 w32_define_fringe_bitmap
,
6304 w32_destroy_fringe_bitmap
,
6305 w32_compute_glyph_string_overhangs
,
6306 x_draw_glyph_string
,
6307 w32_define_frame_cursor
,
6308 w32_clear_frame_area
,
6309 w32_draw_window_cursor
,
6310 w32_draw_vertical_window_border
,
6311 w32_shift_glyphs_for_insert
6314 static void x_delete_terminal (struct terminal
*term
);
6316 static struct terminal
*
6317 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6319 struct terminal
*terminal
;
6321 terminal
= create_terminal ();
6323 terminal
->type
= output_w32
;
6324 terminal
->display_info
.w32
= dpyinfo
;
6325 dpyinfo
->terminal
= terminal
;
6327 /* MSVC does not type K&R functions with no arguments correctly, and
6328 so we must explicitly cast them. */
6329 terminal
->clear_frame_hook
= x_clear_frame
;
6330 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6331 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6332 terminal
->ring_bell_hook
= w32_ring_bell
;
6333 terminal
->reset_terminal_modes_hook
= NULL
;
6334 terminal
->set_terminal_modes_hook
= NULL
;
6335 terminal
->update_begin_hook
= x_update_begin
;
6336 terminal
->update_end_hook
= x_update_end
;
6337 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6338 terminal
->read_socket_hook
= w32_read_socket
;
6339 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6340 terminal
->mouse_position_hook
= w32_mouse_position
;
6341 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6342 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6343 terminal
->fullscreen_hook
= w32fullscreen_hook
;
6344 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6345 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6346 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6347 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6349 terminal
->delete_frame_hook
= x_destroy_window
;
6350 terminal
->delete_terminal_hook
= x_delete_terminal
;
6352 terminal
->rif
= &w32_redisplay_interface
;
6353 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6354 terminal
->char_ins_del_ok
= 1;
6355 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6356 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6357 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6360 /* We don't yet support separate terminals on W32, so don't try to share
6361 keyboards between virtual terminals that are on the same physical
6362 terminal like X does. */
6363 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6364 init_kboard (terminal
->kboard
);
6365 kset_window_system (terminal
->kboard
, intern ("w32"));
6366 terminal
->kboard
->next_kboard
= all_kboards
;
6367 all_kboards
= terminal
->kboard
;
6368 /* Don't let the initial kboard remain current longer than necessary.
6369 That would cause problems if a file loaded on startup tries to
6370 prompt in the mini-buffer. */
6371 if (current_kboard
== initial_kboard
)
6372 current_kboard
= terminal
->kboard
;
6373 terminal
->kboard
->reference_count
++;
6379 x_delete_terminal (struct terminal
*terminal
)
6381 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6383 /* Protect against recursive calls. delete_frame in
6384 delete_terminal calls us back when it deletes our last frame. */
6385 if (!terminal
->name
)
6390 x_delete_display (dpyinfo
);
6394 struct w32_display_info
*
6395 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6397 struct w32_display_info
*dpyinfo
;
6398 struct terminal
*terminal
;
6403 if (!w32_initialized
)
6406 w32_initialized
= 1;
6409 w32_initialize_display_info (display_name
);
6411 dpyinfo
= &one_w32_display_info
;
6412 terminal
= w32_create_terminal (dpyinfo
);
6414 /* Set the name of the terminal. */
6415 terminal
->name
= xlispstrdup (display_name
);
6417 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6419 /* Put this display on the chain. */
6420 dpyinfo
->next
= x_display_list
;
6421 x_display_list
= dpyinfo
;
6425 dpyinfo
->root_window
= GetDesktopWindow ();
6426 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6427 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6428 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6429 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6430 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6431 ReleaseDC (NULL
, hdc
);
6433 /* initialize palette with white and black */
6436 w32_defined_color (0, "white", &color
, 1);
6437 w32_defined_color (0, "black", &color
, 1);
6441 /* Add the default keyboard. When !WINDOWSNT, we're using the
6442 standard Emacs console handling machinery and don't need an
6443 explicit FD here. */
6444 add_keyboard_wait_descriptor (0);
6446 /* /dev/windows wakes us up when we have a thread message pending. */
6447 add_keyboard_wait_descriptor (w32_message_fd
);
6450 /* Create Fringe Bitmaps and store them for later use.
6452 On W32, bitmaps are all unsigned short, as Windows requires
6453 bitmap data to be Word aligned. For some reason they are
6454 horizontally reflected compared to how they appear on X, so we
6455 need to bitswap and convert to unsigned shorts before creating
6457 w32_init_fringe (terminal
->rif
);
6464 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6466 x_delete_display (struct w32_display_info
*dpyinfo
)
6468 /* Discard this display from w32_display_name_list and w32_display_list.
6469 We can't use Fdelq because that can quit. */
6470 if (! NILP (w32_display_name_list
)
6471 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6472 w32_display_name_list
= XCDR (w32_display_name_list
);
6477 tail
= w32_display_name_list
;
6478 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6480 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6482 XSETCDR (tail
, XCDR (XCDR (tail
)));
6489 /* free palette table */
6491 struct w32_palette_entry
* plist
;
6493 plist
= dpyinfo
->color_list
;
6496 struct w32_palette_entry
* pentry
= plist
;
6497 plist
= plist
->next
;
6500 dpyinfo
->color_list
= NULL
;
6501 if (dpyinfo
->palette
)
6502 DeleteObject (dpyinfo
->palette
);
6504 xfree (dpyinfo
->w32_id_name
);
6506 w32_reset_fringes ();
6510 /* Set up use of W32. */
6512 DWORD WINAPI
w32_msg_worker (void * arg
);
6515 w32_initialize (void)
6518 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6522 w32_system_caret_hwnd
= NULL
;
6523 w32_system_caret_height
= 0;
6524 w32_system_caret_x
= 0;
6525 w32_system_caret_y
= 0;
6527 /* On Windows 7 and later, we need to set the user model ID
6528 to associate emacsclient launched files with Emacs frames
6530 shell
= GetModuleHandle ("shell32.dll");
6534 = (void *) GetProcAddress (shell
,
6535 "SetCurrentProcessExplicitAppUserModelID");
6537 /* If the function is defined, then we are running on Windows 7
6538 or newer, and the UI uses this to group related windows
6539 together. Since emacs, runemacs, emacsclient are related, we
6540 want them grouped even though the executables are different,
6541 so we need to set a consistent ID between them. */
6543 set_user_model (L
"GNU.Emacs");
6547 if ((w32_message_fd
= emacs_open ("/dev/windows", O_RDWR
, 0)) == -1)
6548 fatal ("opening /dev/windows: %s", strerror (errno
));
6551 /* Initialize w32_use_visible_system_caret based on whether a screen
6552 reader is in use. */
6553 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6554 &w32_use_visible_system_caret
, 0))
6555 w32_use_visible_system_caret
= 0;
6557 last_tool_bar_item
= -1;
6558 any_help_event_p
= 0;
6560 /* Initialize input mode: interrupt_input off, no flow control, allow
6561 8 bit character input, standard quit char. */
6562 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6565 DWORD input_locale_id
= ((DWORD_PTR
) GetKeyboardLayout (0) & 0xffffffff);
6566 w32_keyboard_codepage
=
6567 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6570 /* Create the window thread - it will terminate itself when the app
6574 dwMainThreadId
= GetCurrentThreadId ();
6575 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6576 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6578 /* Wait for thread to start */
6582 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6584 hWindowsThread
= CreateThread (NULL
, 0,
6586 0, 0, &dwWindowsThreadId
);
6588 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6591 /* It is desirable that mainThread should have the same notion of
6592 focus window and active window as windowsThread. Unfortunately, the
6593 following call to AttachThreadInput, which should do precisely what
6594 we need, causes major problems when Emacs is linked as a console
6595 program. Unfortunately, we have good reasons for doing that, so
6596 instead we need to send messages to windowsThread to make some API
6597 calls for us (ones that affect, or depend on, the active/focus
6599 #ifdef ATTACH_THREADS
6600 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6603 /* Dynamically link to optional system components. */
6605 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6607 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6609 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6613 /* Ensure scrollbar handle is at least 5 pixels. */
6614 vertical_scroll_bar_min_handle
= 5;
6616 /* For either kind of scroll bar, take account of the arrows; these
6617 effectively form the border of the main scroll bar range. */
6618 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6619 = GetSystemMetrics (SM_CYVSCROLL
);
6624 syms_of_w32term (void)
6626 staticpro (&w32_display_name_list
);
6627 w32_display_name_list
= Qnil
;
6629 staticpro (&last_mouse_scroll_bar
);
6630 last_mouse_scroll_bar
= Qnil
;
6632 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6634 DEFSYM (Qadded
, "added");
6635 DEFSYM (Qremoved
, "removed");
6636 DEFSYM (Qmodified
, "modified");
6637 DEFSYM (Qrenamed_from
, "renamed-from");
6638 DEFSYM (Qrenamed_to
, "renamed-to");
6640 DEFVAR_INT ("w32-num-mouse-buttons",
6641 w32_num_mouse_buttons
,
6642 doc
: /* Number of physical mouse buttons. */);
6643 w32_num_mouse_buttons
= 2;
6645 DEFVAR_LISP ("w32-swap-mouse-buttons",
6646 Vw32_swap_mouse_buttons
,
6647 doc
: /* Swap the mapping of middle and right mouse buttons.
6648 When nil, middle button is mouse-2 and right button is mouse-3. */);
6649 Vw32_swap_mouse_buttons
= Qnil
;
6651 DEFVAR_LISP ("w32-grab-focus-on-raise",
6652 Vw32_grab_focus_on_raise
,
6653 doc
: /* Raised frame grabs input focus.
6654 When t, `raise-frame' grabs input focus as well. This fits well
6655 with the normal Windows click-to-focus policy, but might not be
6656 desirable when using a point-to-focus policy. */);
6657 Vw32_grab_focus_on_raise
= Qt
;
6659 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6660 Vw32_capslock_is_shiftlock
,
6661 doc
: /* Apply CapsLock state to non character input keys.
6662 When nil, CapsLock only affects normal character input keys. */);
6663 Vw32_capslock_is_shiftlock
= Qnil
;
6665 DEFVAR_LISP ("w32-recognize-altgr",
6666 Vw32_recognize_altgr
,
6667 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6668 When nil, the right-alt and left-ctrl key combination is
6669 interpreted normally. */);
6670 Vw32_recognize_altgr
= Qt
;
6672 DEFVAR_BOOL ("w32-use-visible-system-caret",
6673 w32_use_visible_system_caret
,
6674 doc
: /* Flag to make the system caret visible.
6675 When this is non-nil, Emacs will indicate the position of point by
6676 using the system caret instead of drawing its own cursor. Some screen
6677 reader software does not track the system cursor properly when it is
6678 invisible, and gets confused by Emacs drawing its own cursor, so this
6679 variable is initialized to t when Emacs detects that screen reader
6680 software is running as it starts up.
6682 When this variable is set, other variables affecting the appearance of
6683 the cursor have no effect. */);
6685 w32_use_visible_system_caret
= 0;
6687 /* We don't yet support this, but defining this here avoids whining
6688 from cus-start.el and other places, like "M-x set-variable". */
6689 DEFVAR_BOOL ("x-use-underline-position-properties",
6690 x_use_underline_position_properties
,
6691 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6692 A value of nil means ignore them. If you encounter fonts with bogus
6693 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6694 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6695 to override the font's UNDERLINE_POSITION for small font display
6697 x_use_underline_position_properties
= 0;
6699 DEFVAR_BOOL ("x-underline-at-descent-line",
6700 x_underline_at_descent_line
,
6701 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6702 A value of nil means to draw the underline according to the value of the
6703 variable `x-use-underline-position-properties', which is usually at the
6704 baseline level. The default value is nil. */);
6705 x_underline_at_descent_line
= 0;
6707 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6708 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6709 A value of nil means Emacs doesn't use toolkit scroll bars.
6710 With the X Window system, the value is a symbol describing the
6711 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6712 With MS Windows or Nextstep, the value is t. */);
6713 Vx_toolkit_scroll_bars
= Qt
;
6715 staticpro (&last_mouse_motion_frame
);
6716 last_mouse_motion_frame
= Qnil
;
6718 Fprovide (intern_c_string ("w32"), Qnil
);