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
);
2668 /***********************************************************************
2670 ***********************************************************************/
2672 /* Perform an insert-lines or delete-lines operation, inserting N
2673 lines or deleting -N lines at vertical position VPOS. */
2676 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2678 if (! FRAME_W32_P (f
))
2685 /* Scroll part of the display as described by RUN. */
2688 x_scroll_run (struct window
*w
, struct run
*run
)
2690 struct frame
*f
= XFRAME (w
->frame
);
2691 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2692 HWND hwnd
= FRAME_W32_WINDOW (f
);
2695 /* Get frame-relative bounding box of the text display area of W,
2696 without mode lines. Include in this box the left and right
2698 window_box (w
, ANY_AREA
, &x
, &y
, &width
, &height
);
2700 /* If the fringe is adjacent to the left (right) scroll bar of a
2701 leftmost (rightmost, respectively) window, then extend its
2702 background to the gap between the fringe and the bar. */
2703 if ((WINDOW_LEFTMOST_P (w
)
2704 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2705 || (WINDOW_RIGHTMOST_P (w
)
2706 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2708 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2712 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2713 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2714 * FRAME_COLUMN_WIDTH (f
));
2716 if (bar_area_x
+ bar_area_width
== x
)
2718 x
= bar_area_x
+ sb_width
;
2719 width
+= bar_area_width
- sb_width
;
2721 else if (x
+ width
== bar_area_x
)
2722 width
+= bar_area_width
- sb_width
;
2726 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2727 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2728 bottom_y
= y
+ height
;
2732 /* Scrolling up. Make sure we don't copy part of the mode
2733 line at the bottom. */
2734 if (from_y
+ run
->height
> bottom_y
)
2735 height
= bottom_y
- from_y
;
2737 height
= run
->height
;
2738 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2742 /* Scrolling down. Make sure we don't copy over the mode line.
2744 if (to_y
+ run
->height
> bottom_y
)
2745 height
= bottom_y
- to_y
;
2747 height
= run
->height
;
2748 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2753 /* Cursor off. Will be switched on again in x_update_window_end. */
2759 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2760 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2762 from
.left
= to
.left
= x
;
2763 from
.right
= to
.right
= x
+ width
;
2765 from
.bottom
= from_y
+ height
;
2767 to
.bottom
= bottom_y
;
2769 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2770 NULL
, SW_INVALIDATE
);
2772 /* Combine this with what we expect to be dirty. This covers the
2773 case where not all of the region we expect is actually dirty. */
2774 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2776 /* If the dirty region is not what we expected, redraw the entire frame. */
2777 if (!EqualRgn (combined
, expect_dirty
))
2778 SET_FRAME_GARBAGED (f
);
2780 DeleteObject (dirty
);
2781 DeleteObject (combined
);
2785 DeleteObject (expect_dirty
);
2790 /***********************************************************************
2792 ***********************************************************************/
2795 frame_highlight (struct frame
*f
)
2797 x_update_cursor (f
, 1);
2798 x_set_frame_alpha (f
);
2802 frame_unhighlight (struct frame
*f
)
2804 x_update_cursor (f
, 1);
2805 x_set_frame_alpha (f
);
2808 /* The focus has changed. Update the frames as necessary to reflect
2809 the new situation. Note that we can't change the selected frame
2810 here, because the Lisp code we are interrupting might become confused.
2811 Each event gets marked with the frame in which it occurred, so the
2812 Lisp code can tell when the switch took place by examining the events. */
2815 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2817 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2819 if (frame
!= dpyinfo
->w32_focus_frame
)
2821 /* Set this before calling other routines, so that they see
2822 the correct value of w32_focus_frame. */
2823 dpyinfo
->w32_focus_frame
= frame
;
2825 if (old_focus
&& old_focus
->auto_lower
)
2826 x_lower_frame (old_focus
);
2828 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2829 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2831 pending_autoraise_frame
= 0;
2834 x_frame_rehighlight (dpyinfo
);
2838 /* Handle FocusIn and FocusOut state changes for FRAME.
2839 If FRAME has focus and there exists more than one frame, puts
2840 a FOCUS_IN_EVENT into *BUFP. */
2843 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2844 struct frame
*frame
, struct input_event
*bufp
)
2846 if (type
== WM_SETFOCUS
)
2848 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2850 x_new_focus_frame (dpyinfo
, frame
);
2851 dpyinfo
->w32_focus_event_frame
= frame
;
2853 /* Don't stop displaying the initial startup message
2854 for a switch-frame event we don't need. */
2855 if (NILP (Vterminal_frame
)
2856 && CONSP (Vframe_list
)
2857 && !NILP (XCDR (Vframe_list
)))
2866 bufp
->kind
= FOCUS_IN_EVENT
;
2867 XSETFRAME (bufp
->frame_or_window
, frame
);
2870 frame
->output_data
.x
->focus_state
|= state
;
2872 /* TODO: IME focus? */
2874 else if (type
== WM_KILLFOCUS
)
2876 frame
->output_data
.x
->focus_state
&= ~state
;
2878 if (dpyinfo
->w32_focus_event_frame
== frame
)
2880 dpyinfo
->w32_focus_event_frame
= 0;
2881 x_new_focus_frame (dpyinfo
, 0);
2883 bufp
->kind
= FOCUS_OUT_EVENT
;
2884 XSETFRAME (bufp
->frame_or_window
, frame
);
2887 /* TODO: IME focus? */
2892 /* The focus may have changed. Figure out if it is a real focus change,
2893 by checking both FocusIn/Out and Enter/LeaveNotify events.
2895 Returns FOCUS_IN_EVENT event in *BUFP. */
2898 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2899 struct input_event
*bufp
)
2901 struct frame
*frame
;
2903 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2907 /* On w32, this is only called from focus events, so no switch needed. */
2908 x_focus_changed (event
->msg
.message
,
2909 (event
->msg
.message
== WM_KILLFOCUS
?
2910 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2911 dpyinfo
, frame
, bufp
);
2915 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2918 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2920 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2923 /* The focus has changed, or we have redirected a frame's focus to
2924 another frame (this happens when a frame uses a surrogate
2925 mini-buffer frame). Shift the highlight as appropriate.
2927 The FRAME argument doesn't necessarily have anything to do with which
2928 frame is being highlighted or un-highlighted; we only use it to find
2929 the appropriate X display info. */
2932 w32_frame_rehighlight (struct frame
*frame
)
2934 if (! FRAME_W32_P (frame
))
2936 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2940 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2942 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2944 if (dpyinfo
->w32_focus_frame
)
2946 dpyinfo
->x_highlight_frame
2947 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2948 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2949 : dpyinfo
->w32_focus_frame
);
2950 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2952 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
2953 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2957 dpyinfo
->x_highlight_frame
= 0;
2959 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2962 frame_unhighlight (old_highlight
);
2963 if (dpyinfo
->x_highlight_frame
)
2964 frame_highlight (dpyinfo
->x_highlight_frame
);
2968 /* Keyboard processing - modifier keys, etc. */
2970 /* Convert a keysym to its name. */
2973 x_get_keysym_name (int keysym
)
2975 /* Make static so we can always return it */
2976 static char value
[100];
2979 GetKeyNameText (keysym
, value
, 100);
2986 codepage_for_locale (LCID locale
)
2990 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
2997 /* Mouse clicks and mouse movement. Rah. */
2999 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3000 the state in PUP. XBUTTON provides extra information for extended mouse
3001 button messages. Returns FALSE if unable to parse the message. */
3003 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
3010 case WM_LBUTTONDOWN
:
3018 case WM_MBUTTONDOWN
:
3019 if (NILP (Vw32_swap_mouse_buttons
))
3026 if (NILP (Vw32_swap_mouse_buttons
))
3032 case WM_RBUTTONDOWN
:
3033 if (NILP (Vw32_swap_mouse_buttons
))
3040 if (NILP (Vw32_swap_mouse_buttons
))
3046 case WM_XBUTTONDOWN
:
3047 button
= xbutton
+ 2;
3051 button
= xbutton
+ 2;
3059 if (pbutton
) *pbutton
= button
;
3065 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3067 If the event is a button press, then note that we have grabbed
3071 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3076 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3079 /* Make the event type NO_EVENT; we'll change that when we decide
3081 result
->kind
= MOUSE_CLICK_EVENT
;
3082 result
->code
= button
;
3083 result
->timestamp
= msg
->msg
.time
;
3084 result
->modifiers
= (msg
->dwModifiers
3089 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3090 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3091 XSETFRAME (result
->frame_or_window
, f
);
3097 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3102 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3105 result
->timestamp
= msg
->msg
.time
;
3107 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3108 forward, away from the user (up); a negative value indicates that
3109 the wheel was rotated backward, toward the user (down). */
3110 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3112 /* The up and down modifiers indicate if the wheel was rotated up or
3113 down based on WHEEL_DELTA value. */
3114 result
->modifiers
= (msg
->dwModifiers
3115 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3117 /* With multiple monitors, we can legitimately get negative
3118 coordinates, so cast to short to interpret them correctly. */
3119 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3120 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3121 ScreenToClient (msg
->msg
.hwnd
, &p
);
3122 XSETINT (result
->x
, p
.x
);
3123 XSETINT (result
->y
, p
.y
);
3124 XSETFRAME (result
->frame_or_window
, f
);
3130 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3140 result
->kind
= DRAG_N_DROP_EVENT
;
3142 result
->timestamp
= msg
->msg
.time
;
3143 result
->modifiers
= msg
->dwModifiers
;
3145 hdrop
= (HDROP
) msg
->msg
.wParam
;
3146 DragQueryPoint (hdrop
, &p
);
3149 p
.x
= LOWORD (msg
->msg
.lParam
);
3150 p
.y
= HIWORD (msg
->msg
.lParam
);
3151 ScreenToClient (msg
->msg
.hwnd
, &p
);
3154 XSETINT (result
->x
, p
.x
);
3155 XSETINT (result
->y
, p
.y
);
3157 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3160 for (i
= 0; i
< num_files
; i
++)
3162 len
= GUI_FN (DragQueryFile
) (hdrop
, i
, NULL
, 0);
3166 name
= alloca ((len
+ 1) * sizeof (*name
));
3167 GUI_FN (DragQueryFile
) (hdrop
, i
, name
, len
+ 1);
3168 #ifdef NTGUI_UNICODE
3169 files
= Fcons (from_unicode_buffer (name
), files
);
3171 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3172 #endif /* NTGUI_UNICODE */
3177 XSETFRAME (frame
, f
);
3178 result
->frame_or_window
= frame
;
3179 result
->arg
= files
;
3186 /* File event notifications (see w32notify.c). */
3189 lispy_file_action (DWORD action
)
3191 static char unknown_fmt
[] = "unknown-action(%d)";
3196 case FILE_ACTION_ADDED
:
3199 case FILE_ACTION_REMOVED
:
3202 case FILE_ACTION_MODIFIED
:
3205 case FILE_ACTION_RENAMED_OLD_NAME
:
3206 retval
= Qrenamed_from
;
3208 case FILE_ACTION_RENAMED_NEW_NAME
:
3209 retval
= Qrenamed_to
;
3213 char buf
[sizeof(unknown_fmt
) - 1 + INT_STRLEN_BOUND (DWORD
)];
3215 sprintf (buf
, unknown_fmt
, action
);
3216 retval
= intern (buf
);
3225 /* Put file notifications into the Emacs input event queue. This
3226 function runs when the WM_EMACS_FILENOTIFY message arrives from a
3229 queue_notifications (struct input_event
*event
, W32Msg
*msg
, struct frame
*f
,
3232 BYTE
*p
= file_notifications
;
3233 FILE_NOTIFY_INFORMATION
*fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3234 const DWORD min_size
3235 = offsetof (FILE_NOTIFY_INFORMATION
, FileName
) + sizeof(wchar_t);
3238 /* We cannot process notification before Emacs is fully initialized,
3239 since we need the UTF-16LE coding-system to be set up. */
3242 notification_buffer_in_use
= 0;
3246 XSETFRAME (frame
, f
);
3249 if (notification_buffer_in_use
)
3251 DWORD info_size
= notifications_size
;
3252 Lisp_Object cs
= intern ("utf-16le");
3253 Lisp_Object obj
= w32_get_watch_object (notifications_desc
);
3255 /* notifications_size could be zero when the buffer of
3256 notifications overflowed on the OS level, or when the
3257 directory being watched was itself deleted. Do nothing in
3260 && !NILP (obj
) && CONSP (obj
))
3262 Lisp_Object callback
= XCDR (obj
);
3264 while (info_size
>= min_size
)
3266 Lisp_Object utf_16_fn
3267 = make_unibyte_string ((char *)fni
->FileName
,
3268 fni
->FileNameLength
);
3269 /* Note: mule-conf is preloaded, so utf-16le must
3270 already be defined at this point. */
3272 = code_convert_string_norecord (utf_16_fn
, cs
, 0);
3273 Lisp_Object action
= lispy_file_action (fni
->Action
);
3275 event
->kind
= FILE_NOTIFY_EVENT
;
3277 = (ptrdiff_t)XINT (XIL ((EMACS_INT
)notifications_desc
));
3278 event
->timestamp
= msg
->msg
.time
;
3279 event
->modifiers
= 0;
3280 event
->frame_or_window
= callback
;
3281 event
->arg
= Fcons (action
, fname
);
3282 kbd_buffer_store_event (event
);
3285 if (!fni
->NextEntryOffset
)
3287 p
+= fni
->NextEntryOffset
;
3288 fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3289 info_size
-= fni
->NextEntryOffset
;
3292 notification_buffer_in_use
= 0;
3295 DebPrint (("We were promised notifications, but in-use flag is zero!\n"));
3298 /* We've stuffed all the events ourselves, so w32_read_socket shouldn't. */
3299 event
->kind
= NO_EVENT
;
3301 #endif /* WINDOWSNT */
3302 #endif /* HAVE_W32NOTIFY */
3305 /* Function to report a mouse movement to the mainstream Emacs code.
3306 The input handler calls this.
3308 We have received a mouse movement event, which is given in *event.
3309 If the mouse is over a different glyph than it was last time, tell
3310 the mainstream emacs code by setting mouse_moved. If not, ask for
3311 another motion event, so we can check again the next time it moves. */
3313 static MSG last_mouse_motion_event
;
3314 static Lisp_Object last_mouse_motion_frame
;
3317 note_mouse_movement (struct frame
*frame
, MSG
*msg
)
3319 int mouse_x
= LOWORD (msg
->lParam
);
3320 int mouse_y
= HIWORD (msg
->lParam
);
3322 last_mouse_movement_time
= msg
->time
;
3323 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3324 XSETFRAME (last_mouse_motion_frame
, frame
);
3326 if (!FRAME_X_OUTPUT (frame
))
3329 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3331 frame
->mouse_moved
= 1;
3332 last_mouse_scroll_bar
= Qnil
;
3333 note_mouse_highlight (frame
, -1, -1);
3334 last_mouse_glyph_frame
= 0;
3338 /* Has the mouse moved off the glyph it was on at the last sighting? */
3339 if (frame
!= last_mouse_glyph_frame
3340 || mouse_x
< last_mouse_glyph
.left
3341 || mouse_x
>= last_mouse_glyph
.right
3342 || mouse_y
< last_mouse_glyph
.top
3343 || mouse_y
>= last_mouse_glyph
.bottom
)
3345 frame
->mouse_moved
= 1;
3346 last_mouse_scroll_bar
= Qnil
;
3347 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3348 /* Remember the mouse position here, as w32_mouse_position only
3349 gets called when mouse tracking is enabled but we also need
3350 to keep track of the mouse for help_echo and highlighting at
3352 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3353 last_mouse_glyph_frame
= frame
;
3361 /************************************************************************
3363 ************************************************************************/
3365 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3366 static void x_scroll_bar_report_motion (struct frame
**, Lisp_Object
*,
3367 enum scroll_bar_part
*,
3368 Lisp_Object
*, Lisp_Object
*,
3370 static void x_check_fullscreen (struct frame
*);
3373 redo_mouse_highlight (void)
3375 if (!NILP (last_mouse_motion_frame
)
3376 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3377 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3378 LOWORD (last_mouse_motion_event
.lParam
),
3379 HIWORD (last_mouse_motion_event
.lParam
));
3383 w32_define_cursor (Window window
, Cursor cursor
)
3385 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3387 /* Return the current position of the mouse.
3388 *fp should be a frame which indicates which display to ask about.
3390 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3391 and *part to the frame, window, and scroll bar part that the mouse
3392 is over. Set *x and *y to the portion and whole of the mouse's
3393 position on the scroll bar.
3395 If the mouse movement started elsewhere, set *fp to the frame the
3396 mouse is on, *bar_window to nil, and *x and *y to the character cell
3399 Set *time to the server time-stamp for the time at which the mouse
3400 was at this position.
3402 Don't store anything if we don't have a valid set of values to report.
3404 This clears the mouse_moved flag, so we can wait for the next mouse
3408 w32_mouse_position (struct frame
**fp
, int insist
, Lisp_Object
*bar_window
,
3409 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3410 unsigned long *time
)
3416 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3417 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3422 Lisp_Object frame
, tail
;
3424 /* Clear the mouse-moved flag for every frame on this display. */
3425 FOR_EACH_FRAME (tail
, frame
)
3426 XFRAME (frame
)->mouse_moved
= 0;
3428 last_mouse_scroll_bar
= Qnil
;
3432 /* Now we have a position on the root; find the innermost window
3433 containing the pointer. */
3435 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3436 && FRAME_LIVE_P (last_mouse_frame
))
3438 /* If mouse was grabbed on a frame, give coords for that frame
3439 even if the mouse is now outside it. */
3440 f1
= last_mouse_frame
;
3444 /* Is window under mouse one of our frames? */
3445 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3446 WindowFromPoint (pt
));
3449 /* If not, is it one of our scroll bars? */
3452 struct scroll_bar
*bar
3453 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3457 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3461 if (f1
== 0 && insist
> 0)
3462 f1
= SELECTED_FRAME ();
3466 /* Ok, we found a frame. Store all the values.
3467 last_mouse_glyph is a rectangle used to reduce the
3468 generation of mouse events. To not miss any motion
3469 events, we must divide the frame into rectangles of the
3470 size of the smallest character that could be displayed
3471 on it, i.e. into the same rectangles that matrices on
3472 the frame are divided into. */
3474 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3475 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3476 last_mouse_glyph_frame
= f1
;
3483 *time
= last_mouse_movement_time
;
3492 /***********************************************************************
3494 ***********************************************************************/
3496 /* Handle mouse button event on the tool-bar of frame F, at
3497 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3498 or ButtonRelease. */
3501 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3503 int x
= XFASTINT (button_event
->x
);
3504 int y
= XFASTINT (button_event
->y
);
3506 if (button_event
->modifiers
& down_modifier
)
3507 handle_tool_bar_click (f
, x
, y
, 1, 0);
3509 handle_tool_bar_click (f
, x
, y
, 0,
3510 button_event
->modifiers
& ~up_modifier
);
3515 /***********************************************************************
3517 ***********************************************************************/
3519 /* Scroll bar support. */
3521 /* Given a window ID, find the struct scroll_bar which manages it.
3522 This can be called in GC, so we have to make sure to strip off mark
3525 static struct scroll_bar
*
3526 x_window_to_scroll_bar (Window window_id
)
3528 Lisp_Object tail
, frame
;
3530 FOR_EACH_FRAME (tail
, frame
)
3532 Lisp_Object bar
, condemned
;
3534 /* Scan this frame's scroll bar list for a scroll bar with the
3536 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3537 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3538 /* This trick allows us to search both the ordinary and
3539 condemned scroll bar lists with one loop. */
3540 ! NILP (bar
) || (bar
= condemned
,
3543 bar
= XSCROLL_BAR (bar
)->next
)
3544 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3545 return XSCROLL_BAR (bar
);
3553 /* Set the thumb size and position of scroll bar BAR. We are currently
3554 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3557 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3558 int portion
, int position
, int whole
)
3560 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3561 /* We use the whole scroll-bar height in the calculations below, to
3562 avoid strange effects like scrolling backwards when just clicking
3563 on the handle (without moving it). */
3564 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3565 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3566 int sb_page
, sb_pos
;
3567 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3570 /* We used to change the nPage setting while dragging the handle,
3571 but that had very strange effects (such as scrolling backwards
3572 while dragging downwards).
3574 Now, we don't change the nPage setting while dragging unless we
3575 get near to the end of the buffer, in which case we often have to
3576 resize the handle to "go all the way". */
3582 si
.cbSize
= sizeof (si
);
3583 si
.fMask
= SIF_POS
| SIF_PAGE
;
3584 GetScrollInfo (w
, SB_CTL
, &si
);
3585 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3593 /* Position scroll bar at rock bottom if the bottom of the
3594 buffer is visible. This avoids shrinking the thumb away
3595 to nothing if it is held at the bottom of the buffer. */
3596 if (position
+ portion
>= whole
&& !draggingp
)
3598 sb_page
= range
* (whole
- position
) / whole
;
3603 sb_pos
= position
* range
/ whole
;
3604 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3613 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3617 si
.cbSize
= sizeof (si
);
3618 si
.fMask
= SIF_PAGE
| SIF_POS
;
3622 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3628 /************************************************************************
3629 Scroll bars, general
3630 ************************************************************************/
3633 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3635 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3636 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3640 /*#define ATTACH_THREADS*/
3643 my_show_window (struct frame
*f
, HWND hwnd
, int how
)
3645 #ifndef ATTACH_THREADS
3646 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3647 (WPARAM
) hwnd
, (LPARAM
) how
);
3649 return ShowWindow (hwnd
, how
);
3654 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3655 int x
, int y
, int cx
, int cy
, UINT flags
)
3657 #ifndef ATTACH_THREADS
3659 pos
.hwndInsertAfter
= hwndAfter
;
3665 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3667 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3673 my_set_focus (struct frame
* f
, HWND hwnd
)
3675 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3681 my_set_foreground_window (HWND hwnd
)
3683 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3688 my_destroy_window (struct frame
* f
, HWND hwnd
)
3690 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3695 my_bring_window_to_top (HWND hwnd
)
3697 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3700 /* Create a scroll bar and return the scroll bar vector for it. W is
3701 the Emacs window on which to create the scroll bar. TOP, LEFT,
3702 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3705 static struct scroll_bar
*
3706 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3708 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3711 struct scroll_bar
*bar
3712 = ALLOCATE_PSEUDOVECTOR (struct scroll_bar
, fringe_extended_p
, PVEC_OTHER
);
3717 XSETWINDOW (bar
->window
, w
);
3718 XSETINT (bar
->top
, top
);
3719 XSETINT (bar
->left
, left
);
3720 XSETINT (bar
->width
, width
);
3721 XSETINT (bar
->height
, height
);
3722 XSETINT (bar
->start
, 0);
3723 XSETINT (bar
->end
, 0);
3724 bar
->dragging
= Qnil
;
3725 bar
->fringe_extended_p
= 0;
3727 /* Requires geometry to be set before call to create the real window */
3729 hwnd
= my_create_scrollbar (f
, bar
);
3731 si
.cbSize
= sizeof (si
);
3734 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3735 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3739 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3741 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3743 /* Add bar to its frame's list of scroll bars. */
3744 bar
->next
= FRAME_SCROLL_BARS (f
);
3746 XSETVECTOR (barobj
, bar
);
3747 fset_scroll_bars (f
, barobj
);
3748 if (! NILP (bar
->next
))
3749 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3757 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3761 x_scroll_bar_remove (struct scroll_bar
*bar
)
3763 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3767 /* Destroy the window. */
3768 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3770 /* Dissociate this scroll bar from its window. */
3771 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3776 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3777 that we are displaying PORTION characters out of a total of WHOLE
3778 characters, starting at POSITION. If WINDOW has no scroll bar,
3781 w32_set_vertical_scroll_bar (struct window
*w
,
3782 int portion
, int whole
, int position
)
3784 struct frame
*f
= XFRAME (w
->frame
);
3786 struct scroll_bar
*bar
;
3787 int top
, height
, left
, sb_left
, width
, sb_width
;
3788 int window_y
, window_height
;
3789 bool fringe_extended_p
;
3791 /* Get window dimensions. */
3792 window_box (w
, ANY_AREA
, 0, &window_y
, 0, &window_height
);
3794 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3795 height
= window_height
;
3797 /* Compute the left edge of the scroll bar area. */
3798 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3800 /* Compute the width of the scroll bar which might be less than
3801 the width of the area reserved for the scroll bar. */
3802 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3803 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3807 /* Compute the left edge of the scroll bar. */
3808 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3809 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3811 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3813 fringe_extended_p
= WINDOW_FRINGE_EXTENDED_P (w
);
3815 /* Does the scroll bar exist yet? */
3816 if (NILP (w
->vertical_scroll_bar
))
3820 if (width
> 0 && height
> 0)
3822 hdc
= get_frame_dc (f
);
3823 if (fringe_extended_p
)
3824 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3826 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3827 release_frame_dc (f
, hdc
);
3831 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3835 /* It may just need to be moved and resized. */
3838 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3839 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3841 /* If already correctly positioned, do nothing. */
3842 if (XINT (bar
->left
) == sb_left
3843 && XINT (bar
->top
) == top
3844 && XINT (bar
->width
) == sb_width
3845 && XINT (bar
->height
) == height
3846 && bar
->fringe_extended_p
== fringe_extended_p
)
3848 /* Redraw after clear_frame. */
3849 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3850 InvalidateRect (hwnd
, NULL
, FALSE
);
3858 if (width
&& height
)
3860 hdc
= get_frame_dc (f
);
3861 /* Since Windows scroll bars are smaller than the space reserved
3862 for them on the frame, we have to clear "under" them. */
3863 if (fringe_extended_p
)
3864 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3866 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3867 release_frame_dc (f
, hdc
);
3869 /* Make sure scroll bar is "visible" before moving, to ensure the
3870 area of the parent window now exposed will be refreshed. */
3871 my_show_window (f
, hwnd
, SW_HIDE
);
3872 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3873 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3874 max (height
, 1), TRUE
);
3876 si
.cbSize
= sizeof (si
);
3877 si
.fMask
= SIF_RANGE
;
3879 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3880 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3882 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3884 my_show_window (f
, hwnd
, SW_NORMAL
);
3885 /* InvalidateRect (w, NULL, FALSE); */
3887 /* Remember new settings. */
3888 XSETINT (bar
->left
, sb_left
);
3889 XSETINT (bar
->top
, top
);
3890 XSETINT (bar
->width
, sb_width
);
3891 XSETINT (bar
->height
, height
);
3896 bar
->fringe_extended_p
= fringe_extended_p
;
3898 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3899 XSETVECTOR (barobj
, bar
);
3900 wset_vertical_scroll_bar (w
, barobj
);
3904 /* The following three hooks are used when we're doing a thorough
3905 redisplay of the frame. We don't explicitly know which scroll bars
3906 are going to be deleted, because keeping track of when windows go
3907 away is a real pain - "Can you say set-window-configuration, boys
3908 and girls?" Instead, we just assert at the beginning of redisplay
3909 that *all* scroll bars are to be removed, and then save a scroll bar
3910 from the fiery pit when we actually redisplay its window. */
3912 /* Arrange for all scroll bars on FRAME to be removed at the next call
3913 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3914 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3917 w32_condemn_scroll_bars (struct frame
*frame
)
3919 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3920 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3923 bar
= FRAME_SCROLL_BARS (frame
);
3924 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3925 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3926 XSCROLL_BAR (bar
)->prev
= Qnil
;
3927 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3928 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3929 fset_condemned_scroll_bars (frame
, bar
);
3934 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3935 Note that WINDOW isn't necessarily condemned at all. */
3938 w32_redeem_scroll_bar (struct window
*window
)
3940 struct scroll_bar
*bar
;
3944 /* We can't redeem this window's scroll bar if it doesn't have one. */
3945 if (NILP (window
->vertical_scroll_bar
))
3948 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3950 /* Unlink it from the condemned list. */
3951 f
= XFRAME (WINDOW_FRAME (window
));
3952 if (NILP (bar
->prev
))
3954 /* If the prev pointer is nil, it must be the first in one of
3956 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3957 /* It's not condemned. Everything's fine. */
3959 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3960 window
->vertical_scroll_bar
))
3961 fset_condemned_scroll_bars (f
, bar
->next
);
3963 /* If its prev pointer is nil, it must be at the front of
3964 one or the other! */
3968 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3970 if (! NILP (bar
->next
))
3971 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3973 bar
->next
= FRAME_SCROLL_BARS (f
);
3975 XSETVECTOR (barobj
, bar
);
3976 fset_scroll_bars (f
, barobj
);
3977 if (! NILP (bar
->next
))
3978 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3981 /* Remove all scroll bars on FRAME that haven't been saved since the
3982 last call to `*condemn_scroll_bars_hook'. */
3985 w32_judge_scroll_bars (struct frame
*f
)
3987 Lisp_Object bar
, next
;
3989 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3991 /* Clear out the condemned list now so we won't try to process any
3992 more events on the hapless scroll bars. */
3993 fset_condemned_scroll_bars (f
, Qnil
);
3995 for (; ! NILP (bar
); bar
= next
)
3997 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3999 x_scroll_bar_remove (b
);
4002 b
->next
= b
->prev
= Qnil
;
4005 /* Now there should be no references to the condemned scroll bars,
4006 and they should get garbage-collected. */
4009 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4010 is set to something other than NO_EVENT, it is enqueued.
4012 This may be called from a signal handler, so we have to ignore GC
4016 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
4017 struct input_event
*emacs_event
)
4019 if (! WINDOWP (bar
->window
))
4022 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
4023 emacs_event
->code
= 0;
4024 /* not really meaningful to distinguish up/down */
4025 emacs_event
->modifiers
= msg
->dwModifiers
;
4026 emacs_event
->frame_or_window
= bar
->window
;
4027 emacs_event
->arg
= Qnil
;
4028 emacs_event
->timestamp
= msg
->msg
.time
;
4031 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4033 int dragging
= !NILP (bar
->dragging
);
4036 si
.cbSize
= sizeof (si
);
4039 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4042 bar
->dragging
= Qnil
;
4045 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4047 switch (LOWORD (msg
->msg
.wParam
))
4050 emacs_event
->part
= scroll_bar_down_arrow
;
4053 emacs_event
->part
= scroll_bar_up_arrow
;
4056 emacs_event
->part
= scroll_bar_above_handle
;
4059 emacs_event
->part
= scroll_bar_below_handle
;
4062 emacs_event
->part
= scroll_bar_handle
;
4066 emacs_event
->part
= scroll_bar_handle
;
4070 case SB_THUMBPOSITION
:
4071 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4072 y
= HIWORD (msg
->msg
.wParam
);
4074 emacs_event
->part
= scroll_bar_handle
;
4076 /* "Silently" update current position. */
4080 si
.cbSize
= sizeof (si
);
4083 /* Remember apparent position (we actually lag behind the real
4084 position, so don't set that directly). */
4085 last_scroll_bar_drag_pos
= y
;
4087 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4091 /* If this is the end of a drag sequence, then reset the scroll
4092 handle size to normal and do a final redraw. Otherwise do
4097 int start
= XINT (bar
->start
);
4098 int end
= XINT (bar
->end
);
4100 si
.cbSize
= sizeof (si
);
4101 si
.fMask
= SIF_PAGE
| SIF_POS
;
4102 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4103 si
.nPos
= last_scroll_bar_drag_pos
;
4104 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4108 emacs_event
->kind
= NO_EVENT
;
4112 XSETINT (emacs_event
->x
, y
);
4113 XSETINT (emacs_event
->y
, top_range
);
4119 /* Return information to the user about the current position of the mouse
4120 on the scroll bar. */
4123 x_scroll_bar_report_motion (struct frame
**fp
, Lisp_Object
*bar_window
,
4124 enum scroll_bar_part
*part
,
4125 Lisp_Object
*x
, Lisp_Object
*y
,
4126 unsigned long *time
)
4128 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4129 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4130 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4132 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4138 *bar_window
= bar
->window
;
4140 si
.cbSize
= sizeof (si
);
4141 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4143 GetScrollInfo (w
, SB_CTL
, &si
);
4145 top_range
= si
.nMax
- si
.nPage
+ 1;
4147 switch (LOWORD (last_mouse_scroll_bar_pos
))
4149 case SB_THUMBPOSITION
:
4151 *part
= scroll_bar_handle
;
4152 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4153 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4156 *part
= scroll_bar_handle
;
4160 *part
= scroll_bar_handle
;
4165 XSETINT (*y
, top_range
);
4168 last_mouse_scroll_bar
= Qnil
;
4170 *time
= last_mouse_movement_time
;
4176 /* The screen has been cleared so we may have changed foreground or
4177 background colors, and the scroll bars may need to be redrawn.
4178 Clear out the scroll bars, and ask for expose events, so we can
4182 x_scroll_bar_clear (struct frame
*f
)
4186 /* We can have scroll bars even if this is 0,
4187 if we just turned off scroll bar mode.
4188 But in that case we should not clear them. */
4189 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4190 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4191 bar
= XSCROLL_BAR (bar
)->next
)
4193 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4194 HDC hdc
= GetDC (window
);
4197 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4198 arranges to refresh the scroll bar if hidden. */
4199 my_show_window (f
, window
, SW_HIDE
);
4201 GetClientRect (window
, &rect
);
4202 select_palette (f
, hdc
);
4203 w32_clear_rect (f
, hdc
, &rect
);
4204 deselect_palette (f
, hdc
);
4206 ReleaseDC (window
, hdc
);
4211 /* The main W32 event-reading loop - w32_read_socket. */
4213 /* Record the last 100 characters stored
4214 to help debug the loss-of-chars-during-GC problem. */
4216 static int temp_index
;
4217 static short temp_buffer
[100];
4219 /* Temporarily store lead byte of DBCS input sequences. */
4220 static char dbcs_lead
= 0;
4222 /* Read events coming from the W32 shell.
4223 This routine is called by the SIGIO handler.
4224 We return as soon as there are no more events to be read.
4226 For an overview of how Emacs input works on MS-Windows, see the
4227 commentary before w32_msg_pump in w32fns.c.
4229 We return the number of characters stored into the buffer,
4230 thus pretending to be `read'.
4232 Some of these messages are reposted back to the message queue since the
4233 system calls the windows proc directly in a context where we cannot return
4234 the data nor can we guarantee the state we are in. So if we dispatch them
4235 we will get into an infinite loop. To prevent this from ever happening we
4236 will set a variable to indicate we are in the read_socket call and indicate
4237 which message we are processing since the windows proc gets called
4238 recursively with different messages by the system.
4242 w32_read_socket (struct terminal
*terminal
,
4243 struct input_event
*hold_quit
)
4246 int check_visibility
= 0;
4249 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4250 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4255 /* So people can tell when we have read the available input. */
4256 input_signal_count
++;
4258 /* Process any incoming thread messages. */
4259 drain_message_queue ();
4261 /* TODO: ghostscript integration. */
4262 while (get_next_msg (&msg
, FALSE
))
4264 struct input_event inev
;
4267 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4268 /* w32_name_of_message (msg.msg.message), */
4269 /* msg.msg.time)); */
4272 inev
.kind
= NO_EVENT
;
4275 switch (msg
.msg
.message
)
4277 case WM_EMACS_PAINT
:
4278 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4282 if (msg
.rect
.right
== msg
.rect
.left
||
4283 msg
.rect
.bottom
== msg
.rect
.top
)
4285 /* We may get paint messages even though the client
4286 area is clipped - these are not expose events. */
4287 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4290 else if (FRAME_VISIBLE_P (f
) != 1)
4292 bool iconified
= FRAME_ICONIFIED_P (f
);
4294 /* Definitely not obscured, so mark as visible. */
4295 SET_FRAME_VISIBLE (f
, 1);
4296 SET_FRAME_ICONIFIED (f
, 0);
4297 SET_FRAME_GARBAGED (f
);
4298 if (!f
->output_data
.w32
->asked_for_visible
)
4299 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4302 /* WM_PAINT serves as MapNotify as well, so report
4303 visibility changes properly. */
4306 inev
.kind
= DEICONIFY_EVENT
;
4307 XSETFRAME (inev
.frame_or_window
, f
);
4309 else if (!NILP (Vframe_list
) && !NILP (XCDR (Vframe_list
)))
4310 /* Force a redisplay sooner or later to update the
4311 frame titles in case this is the second frame. */
4312 record_asynch_buffer_change ();
4316 HDC hdc
= get_frame_dc (f
);
4318 /* Erase background again for safety. */
4319 w32_clear_rect (f
, hdc
, &msg
.rect
);
4320 release_frame_dc (f
, hdc
);
4324 msg
.rect
.right
- msg
.rect
.left
,
4325 msg
.rect
.bottom
- msg
.rect
.top
);
4330 case WM_INPUTLANGCHANGE
:
4331 /* Generate a language change event. */
4332 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4334 /* lParam contains the input language ID in its low 16 bits.
4335 Use it to update our record of the keyboard codepage. */
4336 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4341 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4342 XSETFRAME (inev
.frame_or_window
, f
);
4343 inev
.code
= w32_keyboard_codepage
;
4344 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4350 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4352 if (f
&& !FRAME_ICONIFIED_P (f
))
4354 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4355 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4357 clear_mouse_face (hlinfo
);
4358 hlinfo
->mouse_face_hidden
= 1;
4361 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4363 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4364 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4365 inev
.code
= msg
.msg
.wParam
;
4366 inev
.modifiers
= msg
.dwModifiers
;
4367 XSETFRAME (inev
.frame_or_window
, f
);
4368 inev
.timestamp
= msg
.msg
.time
;
4375 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4377 if (f
&& !FRAME_ICONIFIED_P (f
))
4379 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4380 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4382 clear_mouse_face (hlinfo
);
4383 hlinfo
->mouse_face_hidden
= 1;
4386 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4388 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4390 inev
.modifiers
= msg
.dwModifiers
;
4391 XSETFRAME (inev
.frame_or_window
, f
);
4392 inev
.timestamp
= msg
.msg
.time
;
4394 if (msg
.msg
.message
== WM_UNICHAR
)
4396 inev
.code
= msg
.msg
.wParam
;
4398 else if (msg
.msg
.wParam
< 256)
4403 dbcs
[1] = (char) msg
.msg
.wParam
;
4407 dbcs
[0] = dbcs_lead
;
4409 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4413 DebPrint (("Invalid DBCS sequence: %d %d\n",
4415 inev
.kind
= NO_EVENT
;
4419 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4420 (BYTE
) msg
.msg
.wParam
))
4422 dbcs_lead
= (char) msg
.msg
.wParam
;
4423 inev
.kind
= NO_EVENT
;
4428 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4429 &dbcs
[1], 1, &code
, 1))
4431 /* What to do with garbage? */
4432 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4433 inev
.kind
= NO_EVENT
;
4441 /* Windows shouldn't generate WM_CHAR events above 0xFF
4442 in non-Unicode message handlers. */
4443 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4444 inev
.kind
= NO_EVENT
;
4447 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4448 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4453 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4455 if (f
&& !FRAME_ICONIFIED_P (f
))
4457 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4458 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4460 clear_mouse_face (hlinfo
);
4461 hlinfo
->mouse_face_hidden
= 1;
4464 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4466 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4467 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4468 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4469 inev
.modifiers
= msg
.dwModifiers
;
4470 XSETFRAME (inev
.frame_or_window
, f
);
4471 inev
.timestamp
= msg
.msg
.time
;
4476 /* Ignore non-movement. */
4478 int x
= LOWORD (msg
.msg
.lParam
);
4479 int y
= HIWORD (msg
.msg
.lParam
);
4480 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4482 last_mousemove_x
= x
;
4483 last_mousemove_y
= y
;
4486 previous_help_echo_string
= help_echo_string
;
4487 help_echo_string
= Qnil
;
4489 if (dpyinfo
->grabbed
&& last_mouse_frame
4490 && FRAME_LIVE_P (last_mouse_frame
))
4491 f
= last_mouse_frame
;
4493 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4495 if (hlinfo
->mouse_face_hidden
)
4497 hlinfo
->mouse_face_hidden
= 0;
4498 clear_mouse_face (hlinfo
);
4503 /* Generate SELECT_WINDOW_EVENTs when needed. */
4504 if (!NILP (Vmouse_autoselect_window
))
4507 int x
= LOWORD (msg
.msg
.lParam
);
4508 int y
= HIWORD (msg
.msg
.lParam
);
4510 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4512 /* Window will be selected only when it is not
4513 selected now and last mouse movement event was
4514 not in it. Minibuffer window will be selected
4515 only when it is active. */
4516 if (WINDOWP (window
)
4517 && !EQ (window
, last_window
)
4518 && !EQ (window
, selected_window
)
4519 /* For click-to-focus window managers
4520 create event iff we don't leave the
4522 && (focus_follows_mouse
4523 || (EQ (XWINDOW (window
)->frame
,
4524 XWINDOW (selected_window
)->frame
))))
4526 inev
.kind
= SELECT_WINDOW_EVENT
;
4527 inev
.frame_or_window
= window
;
4530 last_window
= window
;
4532 if (!note_mouse_movement (f
, &msg
.msg
))
4533 help_echo_string
= previous_help_echo_string
;
4537 /* If we move outside the frame, then we're
4538 certainly no longer on any text in the frame. */
4539 clear_mouse_face (hlinfo
);
4542 /* If the contents of the global variable help_echo_string
4543 has changed, generate a HELP_EVENT. */
4544 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4545 But it was originally changed to this to fix a bug, so I have
4546 not removed it completely in case the bug is still there. */
4547 if (help_echo_string
!= previous_help_echo_string
||
4548 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4549 #else /* This is what xterm.c does. */
4550 if (!NILP (help_echo_string
)
4551 || !NILP (previous_help_echo_string
))
4556 case WM_LBUTTONDOWN
:
4558 case WM_MBUTTONDOWN
:
4560 case WM_RBUTTONDOWN
:
4562 case WM_XBUTTONDOWN
:
4565 /* If we decide we want to generate an event to be seen
4566 by the rest of Emacs, we put it here. */
4567 bool tool_bar_p
= 0;
4571 if (dpyinfo
->grabbed
&& last_mouse_frame
4572 && FRAME_LIVE_P (last_mouse_frame
))
4573 f
= last_mouse_frame
;
4575 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4579 construct_mouse_click (&inev
, &msg
, f
);
4581 /* Is this in the tool-bar? */
4582 if (WINDOWP (f
->tool_bar_window
)
4583 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4586 int x
= XFASTINT (inev
.x
);
4587 int y
= XFASTINT (inev
.y
);
4589 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4591 if (EQ (window
, f
->tool_bar_window
))
4593 w32_handle_tool_bar_click (f
, &inev
);
4599 || (dpyinfo
->w32_focus_frame
4600 && f
!= dpyinfo
->w32_focus_frame
))
4601 inev
.kind
= NO_EVENT
;
4604 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4609 dpyinfo
->grabbed
&= ~ (1 << button
);
4613 dpyinfo
->grabbed
|= (1 << button
);
4614 last_mouse_frame
= f
;
4615 /* Ignore any mouse motion that happened
4616 before this event; any subsequent mouse-movement
4617 Emacs events should reflect only motion after
4623 last_tool_bar_item
= -1;
4629 case WM_MOUSEHWHEEL
:
4631 if (dpyinfo
->grabbed
&& last_mouse_frame
4632 && FRAME_LIVE_P (last_mouse_frame
))
4633 f
= last_mouse_frame
;
4635 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4640 if (!dpyinfo
->w32_focus_frame
4641 || f
== dpyinfo
->w32_focus_frame
)
4643 /* Emit an Emacs wheel-up/down event. */
4644 construct_mouse_wheel (&inev
, &msg
, f
);
4646 /* Ignore any mouse motion that happened before this
4647 event; any subsequent mouse-movement Emacs events
4648 should reflect only motion after the
4652 last_mouse_frame
= f
;
4653 last_tool_bar_item
= -1;
4658 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4661 construct_drag_n_drop (&inev
, &msg
, f
);
4666 struct scroll_bar
*bar
=
4667 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4670 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4674 case WM_WINDOWPOSCHANGED
:
4676 case WM_ACTIVATEAPP
:
4677 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4680 /* Run the full-screen hook function also when we are
4681 being activated, to actually install the required
4682 size in effect, if the WAIT flag is set. This is
4683 because when the hook is run from x_set_fullscreen,
4684 the frame might not yet be visible, if that call is a
4685 result of make-frame, and in that case the hook just
4686 sets the WAIT flag. */
4687 if ((msg
.msg
.message
== WM_WINDOWPOSCHANGED
|| msg
.msg
.wParam
)
4688 && (f
->want_fullscreen
& FULLSCREEN_WAIT
))
4689 w32fullscreen_hook (f
);
4690 x_check_fullscreen (f
);
4692 check_visibility
= 1;
4696 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4698 if (f
&& !FRAME_ICONIFIED_P (f
))
4702 x_real_positions (f
, &x
, &y
);
4707 check_visibility
= 1;
4711 /* wParam non-zero means Window is about to be shown, 0 means
4712 about to be hidden. */
4713 /* Redo the mouse-highlight after the tooltip has gone. */
4714 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4717 redo_mouse_highlight ();
4720 /* If window has been obscured or exposed by another window
4721 being maximized or minimized/restored, then recheck
4722 visibility of all frames. Direct changes to our own
4723 windows get handled by WM_SIZE. */
4725 if (msg
.msg
.lParam
!= 0)
4726 check_visibility
= 1;
4729 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4730 f
->async_visible
= msg
.msg
.wParam
;
4734 check_visibility
= 1;
4738 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4740 /* Inform lisp of whether frame has been iconified etc. */
4743 switch (msg
.msg
.wParam
)
4745 case SIZE_MINIMIZED
:
4746 SET_FRAME_VISIBLE (f
, 0);
4747 SET_FRAME_ICONIFIED (f
, 1);
4749 inev
.kind
= ICONIFY_EVENT
;
4750 XSETFRAME (inev
.frame_or_window
, f
);
4753 case SIZE_MAXIMIZED
:
4756 bool iconified
= FRAME_ICONIFIED_P (f
);
4759 SET_FRAME_VISIBLE (f
, 1);
4760 SET_FRAME_ICONIFIED (f
, 0);
4762 /* wait_reading_process_output will notice this
4763 and update the frame's display structures. */
4764 SET_FRAME_GARBAGED (f
);
4770 /* Reset top and left positions of the Window
4771 here since Windows sends a WM_MOVE message
4772 BEFORE telling us the Window is minimized
4773 when the Window is iconified, with 3000,3000
4775 x_real_positions (f
, &x
, &y
);
4779 inev
.kind
= DEICONIFY_EVENT
;
4780 XSETFRAME (inev
.frame_or_window
, f
);
4782 else if (! NILP (Vframe_list
)
4783 && ! NILP (XCDR (Vframe_list
)))
4784 /* Force a redisplay sooner or later
4785 to update the frame titles
4786 in case this is the second frame. */
4787 record_asynch_buffer_change ();
4793 if (f
&& !FRAME_ICONIFIED_P (f
) && msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4801 GetClientRect (msg
.msg
.hwnd
, &rect
);
4803 height
= rect
.bottom
- rect
.top
;
4804 width
= rect
.right
- rect
.left
;
4806 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4807 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4809 /* TODO: Clip size to the screen dimensions. */
4811 /* Even if the number of character rows and columns has
4812 not changed, the font size may have changed, so we need
4813 to check the pixel dimensions as well. */
4815 if (columns
!= FRAME_COLS (f
)
4816 || rows
!= FRAME_LINES (f
)
4817 || width
!= FRAME_PIXEL_WIDTH (f
)
4818 || height
!= FRAME_PIXEL_HEIGHT (f
))
4820 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4821 SET_FRAME_GARBAGED (f
);
4822 cancel_mouse_face (f
);
4823 FRAME_PIXEL_WIDTH (f
) = width
;
4824 FRAME_PIXEL_HEIGHT (f
) = height
;
4825 f
->win_gravity
= NorthWestGravity
;
4829 check_visibility
= 1;
4833 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4836 if (f
== hlinfo
->mouse_face_mouse_frame
)
4838 /* If we move outside the frame, then we're
4839 certainly no longer on any text in the frame. */
4840 clear_mouse_face (hlinfo
);
4841 hlinfo
->mouse_face_mouse_frame
= 0;
4844 /* Generate a nil HELP_EVENT to cancel a help-echo.
4845 Do it only if there's something to cancel.
4846 Otherwise, the startup message is cleared when
4847 the mouse leaves the frame. */
4848 if (any_help_event_p
)
4854 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4856 dpyinfo
->grabbed
= 0;
4857 check_visibility
= 1;
4861 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4862 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4866 if (f
== hlinfo
->mouse_face_mouse_frame
)
4868 /* If we move outside the frame, then we're
4869 certainly no longer on any text in the frame. */
4870 clear_mouse_face (hlinfo
);
4871 hlinfo
->mouse_face_mouse_frame
= 0;
4874 /* Generate a nil HELP_EVENT to cancel a help-echo.
4875 Do it only if there's something to cancel.
4876 Otherwise, the startup message is cleared when
4877 the mouse leaves the frame. */
4878 if (any_help_event_p
)
4882 dpyinfo
->grabbed
= 0;
4883 check_visibility
= 1;
4887 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4891 inev
.kind
= DELETE_WINDOW_EVENT
;
4892 XSETFRAME (inev
.frame_or_window
, f
);
4897 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4901 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4902 XSETFRAME (inev
.frame_or_window
, f
);
4907 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4911 extern void menubar_selection_callback
4912 (struct frame
*f
, void * client_data
);
4913 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4916 check_visibility
= 1;
4919 case WM_DISPLAYCHANGE
:
4920 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4924 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4925 DebPrint (("display change: %d %d\n",
4926 (short) LOWORD (msg
.msg
.lParam
),
4927 (short) HIWORD (msg
.msg
.lParam
)));
4930 check_visibility
= 1;
4934 case WM_EMACS_FILENOTIFY
:
4935 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4937 queue_notifications (&inev
, &msg
, f
, &count
);
4942 /* Check for messages registered at runtime. */
4943 if (msg
.msg
.message
== msh_mousewheel
)
4945 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4946 msg
.msg
.message
= WM_MOUSEWHEEL
;
4952 if (inev
.kind
!= NO_EVENT
)
4954 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4959 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4964 XSETFRAME (frame
, f
);
4970 if (NILP (help_echo_string
))
4972 help_echo_object
= help_echo_window
= Qnil
;
4976 any_help_event_p
= 1;
4977 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4978 help_echo_object
, help_echo_pos
);
4982 help_echo_string
= Qnil
;
4983 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4989 /* If the focus was just given to an autoraising frame,
4991 /* ??? This ought to be able to handle more than one such frame. */
4992 if (pending_autoraise_frame
)
4994 x_raise_frame (pending_autoraise_frame
);
4995 pending_autoraise_frame
= 0;
4998 /* Check which frames are still visible, if we have enqueued any user
4999 events or been notified of events that may affect visibility. We
5000 do this here because there doesn't seem to be any direct
5001 notification from Windows that the visibility of a window has
5002 changed (at least, not in all cases). */
5003 if (count
> 0 || check_visibility
)
5005 Lisp_Object tail
, frame
;
5007 FOR_EACH_FRAME (tail
, frame
)
5009 struct frame
*f
= XFRAME (frame
);
5010 /* The tooltip has been drawn already. Avoid the
5011 SET_FRAME_GARBAGED below. */
5012 if (EQ (frame
, tip_frame
))
5015 /* Check "visible" frames and mark each as obscured or not.
5016 Note that visible is nonzero for unobscured and obscured
5017 frames, but zero for hidden and iconified frames. */
5018 if (FRAME_W32_P (f
) && FRAME_VISIBLE_P (f
))
5025 /* Query clipping rectangle for the entire window area
5026 (GetWindowDC), not just the client portion (GetDC).
5027 Otherwise, the scrollbars and menubar aren't counted as
5028 part of the visible area of the frame, and we may think
5029 the frame is obscured when really a scrollbar is still
5030 visible and gets WM_PAINT messages above. */
5031 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
5032 GetClipBox (hdc
, &clipbox
);
5033 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5036 obscured
= FRAME_OBSCURED_P (f
);
5038 if (clipbox
.right
== clipbox
.left
|| clipbox
.bottom
== clipbox
.top
)
5040 /* Frame has become completely obscured so mark as such (we
5041 do this by setting visible to 2 so that FRAME_VISIBLE_P
5042 is still true, but redisplay will skip it). */
5043 SET_FRAME_VISIBLE (f
, 2);
5046 DebPrint (("frame %p (%s) obscured\n", f
, SDATA (f
->name
)));
5050 /* Frame is not obscured, so mark it as such. */
5051 SET_FRAME_VISIBLE (f
, 1);
5055 SET_FRAME_GARBAGED (f
);
5056 DebPrint (("obscured frame %p (%s) found to be visible\n",
5057 f
, SDATA (f
->name
)));
5059 /* Force a redisplay sooner or later. */
5060 record_asynch_buffer_change ();
5073 /***********************************************************************
5075 ***********************************************************************/
5077 /* Set clipping for output in glyph row ROW. W is the window in which
5078 we operate. GC is the graphics context to set clipping in.
5080 ROW may be a text row or, e.g., a mode line. Text rows must be
5081 clipped to the interior of the window dedicated to text display,
5082 mode lines must be clipped to the whole window. */
5085 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
,
5086 enum glyph_row_area area
, HDC hdc
)
5089 int window_x
, window_y
, window_width
;
5091 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5093 clip_rect
.left
= window_x
;
5094 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5095 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5096 clip_rect
.right
= clip_rect
.left
+ window_width
;
5097 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5099 w32_set_clip_rectangle (hdc
, &clip_rect
);
5103 /* Draw a hollow box cursor on window W in glyph row ROW. */
5106 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5108 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5112 struct glyph
*cursor_glyph
;
5113 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5115 /* Get the glyph the cursor is on. If we can't tell because
5116 the current matrix is invalid or such, give up. */
5117 cursor_glyph
= get_phys_cursor_glyph (w
);
5118 if (cursor_glyph
== NULL
)
5124 /* Compute frame-relative coordinates for phys cursor. */
5125 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5128 rect
.bottom
= rect
.top
+ h
;
5129 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5131 hdc
= get_frame_dc (f
);
5132 /* Set clipping, draw the rectangle, and reset clipping again. */
5133 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5134 FrameRect (hdc
, &rect
, hb
);
5136 w32_set_clip_rectangle (hdc
, NULL
);
5137 release_frame_dc (f
, hdc
);
5141 /* Draw a bar cursor on window W in glyph row ROW.
5143 Implementation note: One would like to draw a bar cursor with an
5144 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5145 Unfortunately, I didn't find a font yet that has this property set.
5149 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5150 int width
, enum text_cursor_kinds kind
)
5152 struct frame
*f
= XFRAME (w
->frame
);
5153 struct glyph
*cursor_glyph
;
5155 /* If cursor is out of bounds, don't draw garbage. This can happen
5156 in mini-buffer windows when switching between echo area glyphs
5158 cursor_glyph
= get_phys_cursor_glyph (w
);
5159 if (cursor_glyph
== NULL
)
5162 /* If on an image, draw like a normal cursor. That's usually better
5163 visible than drawing a bar, esp. if the image is large so that
5164 the bar might not be in the window. */
5165 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5167 struct glyph_row
*row
;
5168 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5169 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5173 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5174 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5178 /* If the glyph's background equals the color we normally draw
5179 the bar cursor in, the bar cursor in its normal color is
5180 invisible. Use the glyph's foreground color instead in this
5181 case, on the assumption that the glyph's colors are chosen so
5182 that the glyph is legible. */
5183 if (face
->background
== cursor_color
)
5184 cursor_color
= face
->foreground
;
5186 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5188 hdc
= get_frame_dc (f
);
5189 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5191 if (kind
== BAR_CURSOR
)
5194 width
= FRAME_CURSOR_WIDTH (f
);
5195 width
= min (cursor_glyph
->pixel_width
, width
);
5197 w
->phys_cursor_width
= width
;
5199 /* If the character under cursor is R2L, draw the bar cursor
5200 on the right of its glyph, rather than on the left. */
5201 if ((cursor_glyph
->resolved_level
& 1) != 0)
5202 x
+= cursor_glyph
->pixel_width
- width
;
5204 w32_fill_area (f
, hdc
, cursor_color
, x
,
5205 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5206 width
, row
->height
);
5210 int dummy_x
, dummy_y
, dummy_h
;
5213 width
= row
->height
;
5215 width
= min (row
->height
, width
);
5217 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5218 &dummy_y
, &dummy_h
);
5219 w32_fill_area (f
, hdc
, cursor_color
, x
,
5220 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5221 row
->height
- width
),
5222 w
->phys_cursor_width
, width
);
5225 w32_set_clip_rectangle (hdc
, NULL
);
5226 release_frame_dc (f
, hdc
);
5231 /* RIF: Define cursor CURSOR on frame F. */
5234 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5236 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5240 /* RIF: Clear area on frame F. */
5243 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5247 hdc
= get_frame_dc (f
);
5248 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5249 release_frame_dc (f
, hdc
);
5252 /* RIF: Draw or clear cursor on window W. */
5255 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5256 int x
, int y
, enum text_cursor_kinds cursor_type
,
5257 int cursor_width
, bool on_p
, bool active_p
)
5261 /* If the user wants to use the system caret, make sure our own
5262 cursor remains invisible. */
5263 if (w32_use_visible_system_caret
)
5265 /* Call to erase_phys_cursor here seems to use the
5266 wrong values of w->phys_cursor, as they have been
5267 overwritten before this function was called. */
5268 if (w
->phys_cursor_type
!= NO_CURSOR
)
5269 erase_phys_cursor (w
);
5271 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5272 w
->phys_cursor_width
= -1;
5276 w
->phys_cursor_type
= cursor_type
;
5279 w
->phys_cursor_on_p
= 1;
5281 /* If this is the active cursor, we need to track it with the
5282 system caret, so third party software like screen magnifiers
5283 and speech synthesizers can follow the cursor. */
5286 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5287 HWND hwnd
= FRAME_W32_WINDOW (f
);
5290 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5292 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5293 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5294 w32_system_caret_window
= w
;
5295 w32_system_caret_hdr_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
5296 w32_system_caret_mode_height
= WINDOW_MODE_LINE_HEIGHT (w
);
5298 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5300 /* If the size of the active cursor changed, destroy the old
5302 if (w32_system_caret_hwnd
5303 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5304 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5306 w32_system_caret_height
= w
->phys_cursor_height
;
5308 /* Move the system caret. */
5309 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5312 if (glyph_row
->exact_window_width_line_p
5313 && (glyph_row
->reversed_p
5314 ? (w
->phys_cursor
.hpos
< 0)
5315 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5317 glyph_row
->cursor_in_fringe_p
= 1;
5318 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5322 switch (cursor_type
)
5324 case HOLLOW_BOX_CURSOR
:
5325 x_draw_hollow_cursor (w
, glyph_row
);
5328 case FILLED_BOX_CURSOR
:
5329 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5333 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5337 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5341 w
->phys_cursor_width
= 0;
5355 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5358 HANDLE small_icon
= NULL
;
5360 if (FRAME_W32_WINDOW (f
) == 0)
5364 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5365 else if (STRINGP (icon
))
5367 /* Load the main icon from the named file. */
5368 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5369 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5370 /* Try to load a small icon to go with it. */
5371 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5372 GetSystemMetrics (SM_CXSMICON
),
5373 GetSystemMetrics (SM_CYSMICON
),
5376 else if (SYMBOLP (icon
))
5380 if (EQ (icon
, intern ("application")))
5381 name
= (LPCTSTR
) IDI_APPLICATION
;
5382 else if (EQ (icon
, intern ("hand")))
5383 name
= (LPCTSTR
) IDI_HAND
;
5384 else if (EQ (icon
, intern ("question")))
5385 name
= (LPCTSTR
) IDI_QUESTION
;
5386 else if (EQ (icon
, intern ("exclamation")))
5387 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5388 else if (EQ (icon
, intern ("asterisk")))
5389 name
= (LPCTSTR
) IDI_ASTERISK
;
5390 else if (EQ (icon
, intern ("winlogo")))
5391 name
= (LPCTSTR
) IDI_WINLOGO
;
5395 main_icon
= LoadIcon (NULL
, name
);
5400 if (main_icon
== NULL
)
5403 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5404 (LPARAM
) main_icon
);
5406 /* If there is a small icon that goes with it, set that too. */
5408 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5409 (LPARAM
) small_icon
);
5415 /************************************************************************
5417 ************************************************************************/
5419 /* Display Error Handling functions not used on W32. Listing them here
5420 helps diff stay in step when comparing w32term.c with xterm.c.
5422 x_error_catcher (display, error)
5423 x_catch_errors (dpy)
5424 x_catch_errors_unwind (old_val)
5425 x_check_errors (dpy, format)
5426 x_fully_uncatch_errors ()
5427 x_had_errors_p (dpy)
5428 x_clear_errors (dpy)
5429 x_uncatch_errors (dpy, count)
5431 x_connection_signal (signalnum)
5432 x_connection_closed (dpy, error_message)
5433 x_error_quitter (display, error)
5434 x_error_handler (display, error)
5435 x_io_error_quitter (display)
5440 /* Changing the font of the frame. */
5443 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5445 struct font
*font
= XFONT_OBJECT (font_object
);
5448 fontset
= fontset_from_font (font_object
);
5449 FRAME_FONTSET (f
) = fontset
;
5450 if (FRAME_FONT (f
) == font
)
5451 /* This font is already set in frame F. There's nothing more to
5455 FRAME_FONT (f
) = font
;
5456 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5457 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5458 FRAME_LINE_HEIGHT (f
) = font
->height
;
5460 compute_fringe_widths (f
, 1);
5462 /* Compute the scroll bar width in character columns. */
5463 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5465 int wid
= FRAME_COLUMN_WIDTH (f
);
5466 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5467 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5471 int wid
= FRAME_COLUMN_WIDTH (f
);
5472 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5475 /* Now make the frame display the given font. */
5476 if (FRAME_X_WINDOW (f
) != 0)
5478 /* Don't change the size of a tip frame; there's no point in
5479 doing it because it's done in Fx_show_tip, and it leads to
5480 problems because the tip frame has no widget. */
5481 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5482 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5485 /* X version sets font of input methods here also. */
5491 /***********************************************************************
5492 TODO: W32 Input Methods
5493 ***********************************************************************/
5494 /* Listing missing functions from xterm.c helps diff stay in step.
5496 xim_destroy_callback (xim, client_data, call_data)
5497 xim_open_dpy (dpyinfo, resource_name)
5499 xim_instantiate_callback (display, client_data, call_data)
5500 xim_initialize (dpyinfo, resource_name)
5501 xim_close_dpy (dpyinfo)
5506 /* Calculate the absolute position in frame F
5507 from its current recorded position values and gravity. */
5510 x_calc_absolute_position (struct frame
*f
)
5512 int flags
= f
->size_hint_flags
;
5514 /* The sum of the widths of the frame's left and right borders, and
5515 the sum of the heights of the frame's top and bottom borders (in
5516 pixels) drawn by Windows. */
5517 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5519 /* Try to get the actual values of these two variables. We compute
5520 the border width (height) by subtracting the width (height) of
5521 the frame's client area from the width (height) of the frame's
5523 WINDOWPLACEMENT wp
= { 0 };
5524 RECT client_rect
= { 0 };
5526 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5527 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5529 left_right_borders_width
=
5530 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5531 (client_rect
.right
- client_rect
.left
);
5533 top_bottom_borders_height
=
5534 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5535 (client_rect
.bottom
- client_rect
.top
);
5539 /* Use sensible default values. */
5540 left_right_borders_width
= 8;
5541 top_bottom_borders_height
= 32;
5544 /* Treat negative positions as relative to the rightmost bottommost
5545 position that fits on the screen. */
5546 if (flags
& XNegative
)
5547 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5548 - FRAME_PIXEL_WIDTH (f
)
5550 - (left_right_borders_width
- 1));
5552 if (flags
& YNegative
)
5553 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5554 - FRAME_PIXEL_HEIGHT (f
)
5556 - (top_bottom_borders_height
- 1));
5558 /* The left_pos and top_pos are now relative to the top and left
5559 screen edges, so the flags should correspond. */
5560 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5563 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5564 to really change the position, and 0 when calling from
5565 x_make_frame_visible (in that case, XOFF and YOFF are the current
5566 position values). It is -1 when calling from x_set_frame_parameters,
5567 which means, do adjust for borders but don't change the gravity. */
5570 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5573 int modified_top
, modified_left
;
5575 if (change_gravity
> 0)
5579 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5581 f
->size_hint_flags
|= XNegative
;
5583 f
->size_hint_flags
|= YNegative
;
5584 f
->win_gravity
= NorthWestGravity
;
5586 x_calc_absolute_position (f
);
5589 x_wm_set_size_hint (f
, (long) 0, 0);
5591 modified_left
= f
->left_pos
;
5592 modified_top
= f
->top_pos
;
5594 my_set_window_pos (FRAME_W32_WINDOW (f
),
5596 modified_left
, modified_top
,
5598 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5603 /* Check if we need to resize the frame due to a fullscreen request.
5604 If so needed, resize the frame. */
5606 x_check_fullscreen (struct frame
*f
)
5608 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5610 int width
, height
, ign
;
5612 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5614 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5616 /* We do not need to move the window, it shall be taken care of
5617 when setting WM manager hints. */
5618 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5620 change_frame_size (f
, height
, width
, 0, 1, 0);
5621 SET_FRAME_GARBAGED (f
);
5622 cancel_mouse_face (f
);
5624 /* Wait for the change of frame size to occur. */
5625 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5631 w32fullscreen_hook (struct frame
*f
)
5633 if (FRAME_VISIBLE_P (f
))
5635 HWND hwnd
= FRAME_W32_WINDOW(f
);
5636 DWORD dwStyle
= GetWindowLong (hwnd
, GWL_STYLE
);
5640 f
->want_fullscreen
&= ~FULLSCREEN_WAIT
;
5642 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_NONE
)
5643 GetWindowPlacement (hwnd
, &FRAME_NORMAL_PLACEMENT (f
));
5645 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_BOTH
)
5647 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
| WS_OVERLAPPEDWINDOW
);
5648 SetWindowPos (hwnd
, NULL
, 0, 0, 0, 0,
5649 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOZORDER
|
5650 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5653 w32_fullscreen_rect (hwnd
, f
->want_fullscreen
,
5654 FRAME_NORMAL_PLACEMENT (f
).rcNormalPosition
, &rect
);
5655 FRAME_PREV_FSMODE (f
) = f
->want_fullscreen
;
5656 if (f
->want_fullscreen
== FULLSCREEN_MAXIMIZED
)
5657 PostMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, 0xf030, 0);
5658 else if (f
->want_fullscreen
== FULLSCREEN_BOTH
)
5660 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
& ~WS_OVERLAPPEDWINDOW
);
5661 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5662 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
,
5663 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5667 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5668 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
, 0);
5671 f
->want_fullscreen
= FULLSCREEN_NONE
;
5675 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5678 /* Call this to change the size of frame F's x-window.
5679 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5680 for this size change and subsequent size changes.
5681 Otherwise we leave the window gravity unchanged. */
5684 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5686 int pixelwidth
, pixelheight
;
5690 check_frame_size (f
, &rows
, &cols
);
5691 f
->scroll_bar_actual_width
5692 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5694 compute_fringe_widths (f
, 0);
5696 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5697 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5699 f
->win_gravity
= NorthWestGravity
;
5700 x_wm_set_size_hint (f
, (long) 0, 0);
5705 rect
.left
= rect
.top
= 0;
5706 rect
.right
= pixelwidth
;
5707 rect
.bottom
= pixelheight
;
5709 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5710 FRAME_EXTERNAL_MENU_BAR (f
));
5712 my_set_window_pos (FRAME_W32_WINDOW (f
),
5715 rect
.right
- rect
.left
,
5716 rect
.bottom
- rect
.top
,
5717 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5721 /* The following mirrors what is done in xterm.c. It appears to be
5722 for informing lisp of the new size immediately, while the actual
5723 resize will happen asynchronously. But on Windows, the menu bar
5724 automatically wraps when the frame is too narrow to contain it,
5725 and that causes any calculations made here to come out wrong. The
5726 end is some nasty buggy behavior, including the potential loss
5729 Disabling this code is either not sufficient to fix the problems
5730 completely, or it causes fresh problems, but at least it removes
5731 the most problematic symptom of the minibuffer becoming unusable.
5733 -----------------------------------------------------------------
5735 Now, strictly speaking, we can't be sure that this is accurate,
5736 but the window manager will get around to dealing with the size
5737 change request eventually, and we'll hear how it went when the
5738 ConfigureNotify event gets here.
5740 We could just not bother storing any of this information here,
5741 and let the ConfigureNotify event set everything up, but that
5742 might be kind of confusing to the Lisp code, since size changes
5743 wouldn't be reported in the frame parameters until some random
5744 point in the future when the ConfigureNotify event arrives.
5746 We pass 1 for DELAY since we can't run Lisp code inside of
5748 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5749 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5750 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5752 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5753 receive in the ConfigureNotify event; if we get what we asked
5754 for, then the event won't cause the screen to become garbaged, so
5755 we have to make sure to do it here. */
5756 SET_FRAME_GARBAGED (f
);
5758 /* If cursor was outside the new size, mark it as off. */
5759 mark_window_cursors_off (XWINDOW (f
->root_window
));
5761 /* Clear out any recollection of where the mouse highlighting was,
5762 since it might be in a place that's outside the new frame size.
5763 Actually checking whether it is outside is a pain in the neck,
5764 so don't try--just let the highlighting be done afresh with new size. */
5765 cancel_mouse_face (f
);
5771 /* Mouse warping. */
5773 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5776 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5780 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5781 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5783 if (pix_x
< 0) pix_x
= 0;
5784 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5786 if (pix_y
< 0) pix_y
= 0;
5787 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5789 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5793 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5800 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5801 pt
.x
= rect
.left
+ pix_x
;
5802 pt
.y
= rect
.top
+ pix_y
;
5803 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5805 SetCursorPos (pt
.x
, pt
.y
);
5811 /* focus shifting, raising and lowering. */
5814 x_focus_on_frame (struct frame
*f
)
5816 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5818 /* Give input focus to frame. */
5821 /* Try not to change its Z-order if possible. */
5822 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5823 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5826 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5830 /* Raise frame F. */
5832 x_raise_frame (struct frame
*f
)
5836 /* Strictly speaking, raise-frame should only change the frame's Z
5837 order, leaving input focus unchanged. This is reasonable behavior
5838 on X where the usual policy is point-to-focus. However, this
5839 behavior would be very odd on Windows where the usual policy is
5842 On X, if the mouse happens to be over the raised frame, it gets
5843 input focus anyway (so the window with focus will never be
5844 completely obscured) - if not, then just moving the mouse over it
5845 is sufficient to give it focus. On Windows, the user must actually
5846 click on the frame (preferably the title bar so as not to move
5847 point), which is more awkward. Also, no other Windows program
5848 raises a window to the top but leaves another window (possibly now
5849 completely obscured) with input focus.
5851 Because there is a system setting on Windows that allows the user
5852 to choose the point to focus policy, we make the strict semantics
5853 optional, but by default we grab focus when raising. */
5855 if (NILP (Vw32_grab_focus_on_raise
))
5857 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5858 not already the foreground application: the frame is raised
5859 above all other frames belonging to us, but not above the
5860 current top window. To achieve that, we have to resort to this
5861 more cumbersome method. */
5863 HDWP handle
= BeginDeferWindowPos (2);
5866 handle
= DeferWindowPos (handle
,
5867 FRAME_W32_WINDOW (f
),
5870 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5873 handle
= DeferWindowPos (handle
,
5874 GetForegroundWindow (),
5875 FRAME_W32_WINDOW (f
),
5877 SWP_NOSIZE
| SWP_NOMOVE
|
5880 EndDeferWindowPos (handle
);
5886 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5892 /* Lower frame F. */
5894 x_lower_frame (struct frame
*f
)
5897 my_set_window_pos (FRAME_W32_WINDOW (f
),
5900 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5905 w32_frame_raise_lower (struct frame
*f
, int raise_flag
)
5907 if (! FRAME_W32_P (f
))
5916 /* Change of visibility. */
5918 /* This tries to wait until the frame is really visible.
5919 However, if the window manager asks the user where to position
5920 the frame, this will return before the user finishes doing that.
5921 The frame will not actually be visible at that time,
5922 but it will become visible later when the window manager
5923 finishes with it. */
5926 x_make_frame_visible (struct frame
*f
)
5932 type
= x_icon_type (f
);
5934 x_bitmap_icon (f
, type
);
5936 if (! FRAME_VISIBLE_P (f
))
5938 /* We test FRAME_GARBAGED_P here to make sure we don't
5939 call x_set_offset a second time
5940 if we get to x_make_frame_visible a second time
5941 before the window gets really visible. */
5942 if (! FRAME_ICONIFIED_P (f
)
5943 && ! f
->output_data
.w32
->asked_for_visible
)
5948 /* Adjust vertical window position in order to avoid being
5949 covered by a task bar placed at the bottom of the desktop. */
5950 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5951 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5952 if (window_rect
.bottom
> workarea_rect
.bottom
5953 && window_rect
.top
> workarea_rect
.top
)
5954 f
->top_pos
= max (window_rect
.top
5955 - window_rect
.bottom
+ workarea_rect
.bottom
,
5958 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5961 f
->output_data
.w32
->asked_for_visible
= 1;
5963 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5964 causes unexpected behavior when unminimizing frames that were
5965 previously maximized. But only SW_SHOWNORMAL works properly for
5966 frames that were truely hidden (using make-frame-invisible), so
5967 we need it to avoid Bug#5482. It seems that iconified is only
5968 set for minimized windows that are still visible, so use that to
5969 determine the appropriate flag to pass ShowWindow. */
5970 my_show_window (f
, FRAME_W32_WINDOW (f
),
5971 FRAME_ICONIFIED_P (f
) ? SW_RESTORE
: SW_SHOWNORMAL
);
5974 /* Synchronize to ensure Emacs knows the frame is visible
5975 before we do anything else. We do this loop with input not blocked
5976 so that incoming events are handled. */
5981 /* This must come after we set COUNT. */
5984 XSETFRAME (frame
, f
);
5986 /* Wait until the frame is visible. Process X events until a
5987 MapNotify event has been seen, or until we think we won't get a
5988 MapNotify at all.. */
5989 for (count
= input_signal_count
+ 10;
5990 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5992 /* Force processing of queued events. */
5993 /* TODO: x_sync equivalent? */
5995 /* Machines that do polling rather than SIGIO have been observed
5996 to go into a busy-wait here. So we'll fake an alarm signal
5997 to let the handler know that there's something to be read.
5998 We used to raise a real alarm, but it seems that the handler
5999 isn't always enabled here. This is probably a bug. */
6000 if (input_polling_used ())
6002 /* It could be confusing if a real alarm arrives while processing
6003 the fake one. Turn it off and let the handler reset it. */
6004 int old_poll_suppress_count
= poll_suppress_count
;
6005 poll_suppress_count
= 1;
6006 poll_for_input_1 ();
6007 poll_suppress_count
= old_poll_suppress_count
;
6013 /* Change from mapped state to withdrawn state. */
6015 /* Make the frame visible (mapped and not iconified). */
6018 x_make_frame_invisible (struct frame
*f
)
6020 /* Don't keep the highlight on an invisible frame. */
6021 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6022 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6026 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
6028 /* We can't distinguish this from iconification
6029 just by the event that we get from the server.
6030 So we can't win using the usual strategy of letting
6031 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
6032 and synchronize with the server to make sure we agree. */
6033 SET_FRAME_VISIBLE (f
, 0);
6034 SET_FRAME_ICONIFIED (f
, 0);
6039 /* Change window state from mapped to iconified. */
6042 x_iconify_frame (struct frame
*f
)
6046 /* Don't keep the highlight on an invisible frame. */
6047 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6048 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6050 if (FRAME_ICONIFIED_P (f
))
6055 type
= x_icon_type (f
);
6057 x_bitmap_icon (f
, type
);
6059 /* Simulate the user minimizing the frame. */
6060 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6062 SET_FRAME_VISIBLE (f
, 0);
6063 SET_FRAME_ICONIFIED (f
, 1);
6069 /* Free X resources of frame F. */
6072 x_free_frame_resources (struct frame
*f
)
6074 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6075 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
6079 /* We must free faces before destroying windows because some
6080 font-driver (e.g. xft) access a window while finishing a
6082 if (FRAME_FACE_CACHE (f
))
6083 free_frame_faces (f
);
6085 if (FRAME_W32_WINDOW (f
))
6086 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6088 free_frame_menubar (f
);
6090 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6091 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6092 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6093 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6094 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6095 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6096 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6097 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6098 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6099 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6101 if (FRAME_FACE_CACHE (f
))
6102 free_frame_faces (f
);
6104 xfree (f
->output_data
.w32
);
6105 f
->output_data
.w32
= NULL
;
6107 if (f
== dpyinfo
->w32_focus_frame
)
6108 dpyinfo
->w32_focus_frame
= 0;
6109 if (f
== dpyinfo
->w32_focus_event_frame
)
6110 dpyinfo
->w32_focus_event_frame
= 0;
6111 if (f
== dpyinfo
->x_highlight_frame
)
6112 dpyinfo
->x_highlight_frame
= 0;
6113 if (f
== hlinfo
->mouse_face_mouse_frame
)
6114 reset_mouse_highlight (hlinfo
);
6120 /* Destroy the window of frame F. */
6122 x_destroy_window (struct frame
*f
)
6124 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6126 x_free_frame_resources (f
);
6127 dpyinfo
->reference_count
--;
6131 /* Setting window manager hints. */
6133 /* Set the normal size hints for the window manager, for frame F.
6134 FLAGS is the flags word to use--or 0 meaning preserve the flags
6135 that the window now has.
6136 If USER_POSITION, set the USPosition
6137 flag (this is useful when FLAGS is 0). */
6139 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6141 Window window
= FRAME_W32_WINDOW (f
);
6145 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6146 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6147 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6148 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6153 /***********************************************************************
6155 ***********************************************************************/
6159 /* Check that FONT is valid on frame F. It is if it can be found in F's
6163 x_check_font (struct frame
*f
, struct font
*font
)
6165 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6166 if (font
->driver
->check
)
6167 eassert (font
->driver
->check (f
, font
) == 0);
6170 #endif /* GLYPH_DEBUG */
6174 /***********************************************************************
6176 ***********************************************************************/
6178 static int w32_initialized
= 0;
6181 w32_initialize_display_info (Lisp_Object display_name
)
6183 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6185 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6187 /* Put it on w32_display_name_list. */
6188 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6189 w32_display_name_list
);
6190 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6192 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6193 + SCHARS (Vsystem_name
) + 2);
6194 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6195 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6197 /* Default Console mode values - overridden when running in GUI mode
6198 with values obtained from system metrics. */
6201 dpyinfo
->n_planes
= 1;
6202 dpyinfo
->n_cbits
= 4;
6203 dpyinfo
->n_fonts
= 0;
6204 dpyinfo
->smallest_font_height
= 1;
6205 dpyinfo
->smallest_char_width
= 1;
6206 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6207 /* TODO: dpyinfo->gray */
6209 reset_mouse_highlight (&dpyinfo
->mouse_highlight
);
6212 /* Create an xrdb-style database of resources to supersede registry settings.
6213 The database is just a concatenation of C strings, finished by an additional
6214 \0. The strings are submitted to some basic normalization, so
6216 [ *]option[ *]:[ *]value...
6222 but any whitespace following value is not removed. */
6225 w32_make_rdb (char *xrm_option
)
6227 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6228 char *current
= buffer
;
6231 int before_value
= 0;
6245 if (in_option
&& (ch
== ':'))
6250 else if (before_value
)
6255 else if (!(in_option
|| before_value
))
6267 x_flush (struct frame
* f
)
6268 { /* Nothing to do */ }
6271 extern frame_parm_handler w32_frame_parm_handlers
[];
6273 static struct redisplay_interface w32_redisplay_interface
=
6275 w32_frame_parm_handlers
,
6279 x_clear_end_of_line
,
6281 x_after_update_window_line
,
6282 x_update_window_begin
,
6283 x_update_window_end
,
6285 0, /* flush_display_optional */
6286 x_clear_window_mouse_face
,
6287 x_get_glyph_overhangs
,
6288 x_fix_overlapping_area
,
6289 w32_draw_fringe_bitmap
,
6290 w32_define_fringe_bitmap
,
6291 w32_destroy_fringe_bitmap
,
6292 w32_compute_glyph_string_overhangs
,
6293 x_draw_glyph_string
,
6294 w32_define_frame_cursor
,
6295 w32_clear_frame_area
,
6296 w32_draw_window_cursor
,
6297 w32_draw_vertical_window_border
,
6298 w32_shift_glyphs_for_insert
6301 static void x_delete_terminal (struct terminal
*term
);
6303 static struct terminal
*
6304 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6306 struct terminal
*terminal
;
6308 terminal
= create_terminal ();
6310 terminal
->type
= output_w32
;
6311 terminal
->display_info
.w32
= dpyinfo
;
6312 dpyinfo
->terminal
= terminal
;
6314 /* MSVC does not type K&R functions with no arguments correctly, and
6315 so we must explicitly cast them. */
6316 terminal
->clear_frame_hook
= x_clear_frame
;
6317 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6318 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6319 terminal
->ring_bell_hook
= w32_ring_bell
;
6320 terminal
->reset_terminal_modes_hook
= NULL
;
6321 terminal
->set_terminal_modes_hook
= NULL
;
6322 terminal
->update_begin_hook
= x_update_begin
;
6323 terminal
->update_end_hook
= x_update_end
;
6324 terminal
->set_terminal_window_hook
= NULL
;
6325 terminal
->read_socket_hook
= w32_read_socket
;
6326 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6327 terminal
->mouse_position_hook
= w32_mouse_position
;
6328 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6329 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6330 terminal
->fullscreen_hook
= w32fullscreen_hook
;
6331 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6332 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6333 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6334 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6336 terminal
->delete_frame_hook
= x_destroy_window
;
6337 terminal
->delete_terminal_hook
= x_delete_terminal
;
6339 terminal
->rif
= &w32_redisplay_interface
;
6340 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6341 terminal
->char_ins_del_ok
= 1;
6342 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6343 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6344 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6347 /* We don't yet support separate terminals on W32, so don't try to share
6348 keyboards between virtual terminals that are on the same physical
6349 terminal like X does. */
6350 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6351 init_kboard (terminal
->kboard
);
6352 kset_window_system (terminal
->kboard
, intern ("w32"));
6353 terminal
->kboard
->next_kboard
= all_kboards
;
6354 all_kboards
= terminal
->kboard
;
6355 /* Don't let the initial kboard remain current longer than necessary.
6356 That would cause problems if a file loaded on startup tries to
6357 prompt in the mini-buffer. */
6358 if (current_kboard
== initial_kboard
)
6359 current_kboard
= terminal
->kboard
;
6360 terminal
->kboard
->reference_count
++;
6366 x_delete_terminal (struct terminal
*terminal
)
6368 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6370 /* Protect against recursive calls. delete_frame in
6371 delete_terminal calls us back when it deletes our last frame. */
6372 if (!terminal
->name
)
6377 x_delete_display (dpyinfo
);
6381 struct w32_display_info
*
6382 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6384 struct w32_display_info
*dpyinfo
;
6385 struct terminal
*terminal
;
6390 if (!w32_initialized
)
6393 w32_initialized
= 1;
6396 w32_initialize_display_info (display_name
);
6398 dpyinfo
= &one_w32_display_info
;
6399 terminal
= w32_create_terminal (dpyinfo
);
6401 /* Set the name of the terminal. */
6402 terminal
->name
= xlispstrdup (display_name
);
6404 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6406 /* Put this display on the chain. */
6407 dpyinfo
->next
= x_display_list
;
6408 x_display_list
= dpyinfo
;
6412 dpyinfo
->root_window
= GetDesktopWindow ();
6413 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6414 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6415 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6416 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6417 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6418 ReleaseDC (NULL
, hdc
);
6420 /* initialize palette with white and black */
6423 w32_defined_color (0, "white", &color
, 1);
6424 w32_defined_color (0, "black", &color
, 1);
6428 /* Add the default keyboard. When !WINDOWSNT, we're using the
6429 standard Emacs console handling machinery and don't need an
6430 explicit FD here. */
6431 add_keyboard_wait_descriptor (0);
6433 /* /dev/windows wakes us up when we have a thread message pending. */
6434 add_keyboard_wait_descriptor (w32_message_fd
);
6437 /* Create Fringe Bitmaps and store them for later use.
6439 On W32, bitmaps are all unsigned short, as Windows requires
6440 bitmap data to be Word aligned. For some reason they are
6441 horizontally reflected compared to how they appear on X, so we
6442 need to bitswap and convert to unsigned shorts before creating
6444 w32_init_fringe (terminal
->rif
);
6451 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6453 x_delete_display (struct w32_display_info
*dpyinfo
)
6455 /* Discard this display from w32_display_name_list and w32_display_list.
6456 We can't use Fdelq because that can quit. */
6457 if (! NILP (w32_display_name_list
)
6458 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6459 w32_display_name_list
= XCDR (w32_display_name_list
);
6464 tail
= w32_display_name_list
;
6465 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6467 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6469 XSETCDR (tail
, XCDR (XCDR (tail
)));
6476 /* free palette table */
6478 struct w32_palette_entry
* plist
;
6480 plist
= dpyinfo
->color_list
;
6483 struct w32_palette_entry
* pentry
= plist
;
6484 plist
= plist
->next
;
6487 dpyinfo
->color_list
= NULL
;
6488 if (dpyinfo
->palette
)
6489 DeleteObject (dpyinfo
->palette
);
6491 xfree (dpyinfo
->w32_id_name
);
6493 w32_reset_fringes ();
6497 /* Set up use of W32. */
6499 DWORD WINAPI
w32_msg_worker (void * arg
);
6502 w32_initialize (void)
6505 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6509 w32_system_caret_hwnd
= NULL
;
6510 w32_system_caret_height
= 0;
6511 w32_system_caret_x
= 0;
6512 w32_system_caret_y
= 0;
6514 /* On Windows 7 and later, we need to set the user model ID
6515 to associate emacsclient launched files with Emacs frames
6517 shell
= GetModuleHandle ("shell32.dll");
6521 = (void *) GetProcAddress (shell
,
6522 "SetCurrentProcessExplicitAppUserModelID");
6524 /* If the function is defined, then we are running on Windows 7
6525 or newer, and the UI uses this to group related windows
6526 together. Since emacs, runemacs, emacsclient are related, we
6527 want them grouped even though the executables are different,
6528 so we need to set a consistent ID between them. */
6530 set_user_model (L
"GNU.Emacs");
6534 if ((w32_message_fd
= emacs_open ("/dev/windows", O_RDWR
, 0)) == -1)
6535 fatal ("opening /dev/windows: %s", strerror (errno
));
6538 /* Initialize w32_use_visible_system_caret based on whether a screen
6539 reader is in use. */
6540 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6541 &w32_use_visible_system_caret
, 0))
6542 w32_use_visible_system_caret
= 0;
6544 last_tool_bar_item
= -1;
6545 any_help_event_p
= 0;
6547 /* Initialize input mode: interrupt_input off, no flow control, allow
6548 8 bit character input, standard quit char. */
6549 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6552 DWORD input_locale_id
= ((DWORD_PTR
) GetKeyboardLayout (0) & 0xffffffff);
6553 w32_keyboard_codepage
=
6554 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6557 /* Create the window thread - it will terminate itself when the app
6561 dwMainThreadId
= GetCurrentThreadId ();
6562 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6563 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6565 /* Wait for thread to start */
6569 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6571 hWindowsThread
= CreateThread (NULL
, 0,
6573 0, 0, &dwWindowsThreadId
);
6575 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6578 /* It is desirable that mainThread should have the same notion of
6579 focus window and active window as windowsThread. Unfortunately, the
6580 following call to AttachThreadInput, which should do precisely what
6581 we need, causes major problems when Emacs is linked as a console
6582 program. Unfortunately, we have good reasons for doing that, so
6583 instead we need to send messages to windowsThread to make some API
6584 calls for us (ones that affect, or depend on, the active/focus
6586 #ifdef ATTACH_THREADS
6587 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6590 /* Dynamically link to optional system components. */
6592 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6594 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6596 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6600 /* Ensure scrollbar handle is at least 5 pixels. */
6601 vertical_scroll_bar_min_handle
= 5;
6603 /* For either kind of scroll bar, take account of the arrows; these
6604 effectively form the border of the main scroll bar range. */
6605 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6606 = GetSystemMetrics (SM_CYVSCROLL
);
6611 syms_of_w32term (void)
6613 staticpro (&w32_display_name_list
);
6614 w32_display_name_list
= Qnil
;
6616 staticpro (&last_mouse_scroll_bar
);
6617 last_mouse_scroll_bar
= Qnil
;
6619 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6621 DEFSYM (Qadded
, "added");
6622 DEFSYM (Qremoved
, "removed");
6623 DEFSYM (Qmodified
, "modified");
6624 DEFSYM (Qrenamed_from
, "renamed-from");
6625 DEFSYM (Qrenamed_to
, "renamed-to");
6627 DEFVAR_INT ("w32-num-mouse-buttons",
6628 w32_num_mouse_buttons
,
6629 doc
: /* Number of physical mouse buttons. */);
6630 w32_num_mouse_buttons
= 2;
6632 DEFVAR_LISP ("w32-swap-mouse-buttons",
6633 Vw32_swap_mouse_buttons
,
6634 doc
: /* Swap the mapping of middle and right mouse buttons.
6635 When nil, middle button is mouse-2 and right button is mouse-3. */);
6636 Vw32_swap_mouse_buttons
= Qnil
;
6638 DEFVAR_LISP ("w32-grab-focus-on-raise",
6639 Vw32_grab_focus_on_raise
,
6640 doc
: /* Raised frame grabs input focus.
6641 When t, `raise-frame' grabs input focus as well. This fits well
6642 with the normal Windows click-to-focus policy, but might not be
6643 desirable when using a point-to-focus policy. */);
6644 Vw32_grab_focus_on_raise
= Qt
;
6646 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6647 Vw32_capslock_is_shiftlock
,
6648 doc
: /* Apply CapsLock state to non character input keys.
6649 When nil, CapsLock only affects normal character input keys. */);
6650 Vw32_capslock_is_shiftlock
= Qnil
;
6652 DEFVAR_LISP ("w32-recognize-altgr",
6653 Vw32_recognize_altgr
,
6654 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6655 When nil, the right-alt and left-ctrl key combination is
6656 interpreted normally. */);
6657 Vw32_recognize_altgr
= Qt
;
6659 DEFVAR_BOOL ("w32-use-visible-system-caret",
6660 w32_use_visible_system_caret
,
6661 doc
: /* Flag to make the system caret visible.
6662 When this is non-nil, Emacs will indicate the position of point by
6663 using the system caret instead of drawing its own cursor. Some screen
6664 reader software does not track the system cursor properly when it is
6665 invisible, and gets confused by Emacs drawing its own cursor, so this
6666 variable is initialized to t when Emacs detects that screen reader
6667 software is running as it starts up.
6669 When this variable is set, other variables affecting the appearance of
6670 the cursor have no effect. */);
6672 w32_use_visible_system_caret
= 0;
6674 /* We don't yet support this, but defining this here avoids whining
6675 from cus-start.el and other places, like "M-x set-variable". */
6676 DEFVAR_BOOL ("x-use-underline-position-properties",
6677 x_use_underline_position_properties
,
6678 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6679 A value of nil means ignore them. If you encounter fonts with bogus
6680 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6681 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6682 to override the font's UNDERLINE_POSITION for small font display
6684 x_use_underline_position_properties
= 0;
6686 DEFVAR_BOOL ("x-underline-at-descent-line",
6687 x_underline_at_descent_line
,
6688 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6689 A value of nil means to draw the underline according to the value of the
6690 variable `x-use-underline-position-properties', which is usually at the
6691 baseline level. The default value is nil. */);
6692 x_underline_at_descent_line
= 0;
6694 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6695 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6696 A value of nil means Emacs doesn't use toolkit scroll bars.
6697 With the X Window system, the value is a symbol describing the
6698 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6699 With MS Windows or Nextstep, the value is t. */);
6700 Vx_toolkit_scroll_bars
= Qt
;
6702 staticpro (&last_mouse_motion_frame
);
6703 last_mouse_motion_frame
= Qnil
;
6705 Fprovide (intern_c_string ("w32"), Qnil
);