1 /* Implementation of GUI terminal on the Microsoft Windows API.
3 Copyright (C) 1989, 1993-2012 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/>. */
25 #include "blockinput.h"
37 #include "character.h"
41 #include "dispextern.h"
43 #include "termhooks.h"
50 #include "intervals.h"
60 #include <io.h> /* for get_osfhandle */
70 static int max_fringe_bmp
= 0;
71 static HBITMAP
*fringe_bmp
= 0;
73 /* Temporary variables for w32_read_socket. */
75 static int last_mousemove_x
= 0;
76 static int last_mousemove_y
= 0;
78 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
79 #ifndef GET_WHEEL_DELTA_WPARAM
80 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
83 /* Non-zero means that a HELP_EVENT has been generated since Emacs
86 static int any_help_event_p
;
88 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
89 static Lisp_Object last_window
;
91 extern unsigned int msh_mousewheel
;
93 extern void free_frame_menubar (struct frame
*);
95 extern int w32_codepage_for_font (char *fontname
);
96 extern Cursor
w32_load_cursor (LPCTSTR name
);
98 #define x_any_window_to_frame x_window_to_frame
99 #define x_top_window_to_frame x_window_to_frame
102 /* This is display since w32 does not support multiple ones. */
103 struct w32_display_info one_w32_display_info
;
104 struct w32_display_info
*x_display_list
;
106 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
107 one for each element of w32_display_list and in the same order.
108 NAME is the name of the frame.
109 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
110 Lisp_Object w32_display_name_list
;
113 #if !defined (GLYPHSET) && _WIN32_WINNT < 0x500
114 /* Pre Windows 2000, this was not available, but define it here so
115 that Emacs compiled on such a platform will run on newer versions. */
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 /* This is a frame waiting to be autoraised, within w32_read_socket. */
147 struct frame
*pending_autoraise_frame
;
149 /* The handle of the frame that currently owns the system caret. */
150 HWND w32_system_caret_hwnd
;
151 int w32_system_caret_height
;
152 int w32_system_caret_x
;
153 int w32_system_caret_y
;
154 DWORD dwWindowsThreadId
= 0;
155 HANDLE hWindowsThread
= NULL
;
156 DWORD dwMainThreadId
= 0;
157 HANDLE hMainThread
= NULL
;
159 int vertical_scroll_bar_min_handle
;
160 int vertical_scroll_bar_top_border
;
161 int vertical_scroll_bar_bottom_border
;
163 int last_scroll_bar_drag_pos
;
165 /* Keyboard code page - may be changed by language-change events. */
166 int w32_keyboard_codepage
;
168 /* Mouse movement. */
170 /* Where the mouse was last time we reported a mouse event. */
171 static RECT last_mouse_glyph
;
172 static FRAME_PTR last_mouse_glyph_frame
;
174 /* The scroll bar in which the last motion event occurred.
176 If the last motion event occurred in a scroll bar, we set this
177 so w32_mouse_position can know whether to report a scroll bar motion or
180 If the last motion event didn't occur in a scroll bar, we set this
181 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
182 static Lisp_Object last_mouse_scroll_bar
;
183 static int last_mouse_scroll_bar_pos
;
185 /* This is a hack. We would really prefer that w32_mouse_position would
186 return the time associated with the position it returns, but there
187 doesn't seem to be any way to wrest the time-stamp from the server
188 along with the position query. So, we just keep track of the time
189 of the last movement we received, and return that in hopes that
190 it's somewhat accurate. */
191 static Time last_mouse_movement_time
;
193 /* Incremented by w32_read_socket whenever it really tries to read
196 static int volatile input_signal_count
;
198 static int input_signal_count
;
202 int w32_message_fd
= -1;
205 /* Keyboard code page - may be changed by language-change events. */
206 static int keyboard_codepage
;
208 static void x_update_window_end (struct window
*, int, int);
209 static void w32_handle_tool_bar_click (struct frame
*,
210 struct input_event
*);
211 static void w32_define_cursor (Window
, Cursor
);
213 void x_lower_frame (struct frame
*);
214 void x_scroll_bar_clear (struct frame
*);
215 void x_wm_set_size_hint (struct frame
*, long, int);
216 void x_raise_frame (struct frame
*);
217 void x_set_window_size (struct frame
*, int, int, int);
218 void x_wm_set_window_state (struct frame
*, int);
219 void x_wm_set_icon_pixmap (struct frame
*, int);
220 static void w32_initialize (void);
221 static void x_update_end (struct frame
*);
222 static void w32_frame_up_to_date (struct frame
*);
223 static void w32_set_terminal_modes (struct terminal
*);
224 static void w32_reset_terminal_modes (struct terminal
*);
225 static void x_clear_frame (struct frame
*);
226 static void frame_highlight (struct frame
*);
227 static void frame_unhighlight (struct frame
*);
228 static void x_new_focus_frame (struct w32_display_info
*,
230 static void x_focus_changed (int, int, struct w32_display_info
*,
231 struct frame
*, struct input_event
*);
232 static void w32_detect_focus_change (struct w32_display_info
*,
233 W32Msg
*, struct input_event
*);
234 static void w32_frame_rehighlight (struct frame
*);
235 static void x_frame_rehighlight (struct w32_display_info
*);
236 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
237 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
238 enum text_cursor_kinds
);
239 static void w32_clip_to_row (struct window
*, struct glyph_row
*, int, HDC
);
240 static BOOL
my_show_window (struct frame
*, HWND
, int);
241 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
243 static void my_set_focus (struct frame
*, HWND
);
245 static void my_set_foreground_window (HWND
);
246 static void my_destroy_window (struct frame
*, HWND
);
249 static void x_check_font (struct frame
*, struct font
*);
252 static Lisp_Object Qvendor_specific_keysyms
;
255 /***********************************************************************
257 ***********************************************************************/
261 /* This is a function useful for recording debugging information about
262 the sequence of occurrences in this file. */
270 struct record event_record
[100];
272 int event_record_index
;
274 record_event (char *locus
, int type
)
276 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
277 event_record_index
= 0;
279 event_record
[event_record_index
].locus
= locus
;
280 event_record
[event_record_index
].type
= type
;
281 event_record_index
++;
288 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
291 if (mask
& GCForeground
)
292 gc
->foreground
= xgcv
->foreground
;
293 if (mask
& GCBackground
)
294 gc
->background
= xgcv
->background
;
296 gc
->font
= xgcv
->font
;
300 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
302 XGCValues
*gc
= xzalloc (sizeof (XGCValues
));
304 XChangeGC (ignore
, gc
, mask
, xgcv
);
310 XGetGCValues (void *ignore
, XGCValues
*gc
,
311 unsigned long mask
, XGCValues
*xgcv
)
313 XChangeGC (ignore
, xgcv
, mask
, gc
);
317 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
321 HRGN clip_region
= CreateRectRgnIndirect (rect
);
322 SelectClipRgn (hdc
, clip_region
);
323 DeleteObject (clip_region
);
326 SelectClipRgn (hdc
, NULL
);
329 /* Restore clipping rectangle in S */
331 w32_restore_glyph_string_clip (struct glyph_string
*s
)
334 int n
= s
->num_clips
;
337 w32_set_clip_rectangle (s
->hdc
, r
);
340 HRGN clip1
= CreateRectRgnIndirect (r
);
341 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
342 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
343 SelectClipRgn (s
->hdc
, clip1
);
344 DeleteObject (clip1
);
345 DeleteObject (clip2
);
350 Draw a wavy line under S. The wave fills wave_height pixels from y0.
356 wave_height = 3 | * * * *
361 w32_draw_underwave (struct glyph_string
*s
, COLORREF color
)
363 int wave_height
= 2, wave_length
= 3;
364 int dx
, dy
, x0
, y0
, width
, x1
, y1
, x2
, y2
, odd
, xmax
;
365 XRectangle wave_clip
, string_clip
, final_clip
;
366 RECT w32_final_clip
, w32_string_clip
;
370 dy
= wave_height
- 1;
376 /* Find and set clipping rectangle */
378 wave_clip
= (XRectangle
){ x0
, y0
, width
, wave_height
};
379 get_glyph_string_clip_rect (s
, &w32_string_clip
);
380 CONVERT_TO_XRECT (string_clip
, w32_string_clip
);
382 if (!x_intersect_rectangles (&wave_clip
, &string_clip
, &final_clip
))
385 hp
= CreatePen (PS_SOLID
, 0, color
);
386 oldhp
= SelectObject (s
->hdc
, hp
);
387 CONVERT_FROM_XRECT (final_clip
, w32_final_clip
);
388 w32_set_clip_rectangle (s
->hdc
, &w32_final_clip
);
402 MoveToEx (s
->hdc
, x1
, y1
, NULL
);
406 LineTo (s
->hdc
, x2
, y2
);
408 x2
+= dx
, y2
= y0
+ odd
*dy
;
412 /* Restore previous pen and clipping rectangle(s) */
413 w32_restore_glyph_string_clip (s
);
414 SelectObject (s
->hdc
, oldhp
);
418 /* Draw a hollow rectangle at the specified position. */
420 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
421 int width
, int height
)
426 hb
= CreateSolidBrush (gc
->background
);
427 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
428 oldhb
= SelectObject (hdc
, hb
);
429 oldhp
= SelectObject (hdc
, hp
);
431 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
433 SelectObject (hdc
, oldhb
);
434 SelectObject (hdc
, oldhp
);
439 /* Draw a filled rectangle at the specified position. */
441 w32_fill_rect (FRAME_PTR f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
445 hb
= CreateSolidBrush (pix
);
446 FillRect (hdc
, lprect
, hb
);
451 w32_clear_window (FRAME_PTR f
)
454 HDC hdc
= get_frame_dc (f
);
456 /* Under certain conditions, this can be called at startup with
457 a console frame pointer before the GUI frame is created. An HDC
458 of 0 indicates this. */
461 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
462 w32_clear_rect (f
, hdc
, &rect
);
465 release_frame_dc (f
, hdc
);
468 #define OPAQUE_FRAME 255
471 x_set_frame_alpha (struct frame
*f
)
473 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
475 double alpha_min
= 1.0;
478 HWND window
= FRAME_W32_WINDOW (f
);
480 /* Older versions of Windows do not support transparency. */
481 if (!pfnSetLayeredWindowAttributes
)
484 if (dpyinfo
->x_highlight_frame
== f
)
489 if (FLOATP (Vframe_alpha_lower_limit
))
490 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
491 else if (INTEGERP (Vframe_alpha_lower_limit
))
492 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
496 else if (alpha
> 1.0)
498 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
501 opac
= alpha
* OPAQUE_FRAME
;
503 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
505 if (opac
== OPAQUE_FRAME
)
506 ex_style
&= ~WS_EX_LAYERED
;
508 ex_style
|= WS_EX_LAYERED
;
510 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
512 if (opac
!= OPAQUE_FRAME
)
513 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
517 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
519 HDC dc
= GetDC (NULL
);
520 int pixels
= GetDeviceCaps (dc
, VERTRES
);
521 ReleaseDC (NULL
, dc
);
526 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
528 HDC dc
= GetDC (NULL
);
529 int pixels
= GetDeviceCaps (dc
, HORZRES
);
530 ReleaseDC (NULL
, dc
);
535 /***********************************************************************
536 Starting and ending an update
537 ***********************************************************************/
539 /* Start an update of frame F. This function is installed as a hook
540 for update_begin, i.e. it is called when update_begin is called.
541 This function is called prior to calls to x_update_window_begin for
542 each window being updated. */
545 x_update_begin (struct frame
*f
)
547 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
549 if (! FRAME_W32_P (f
))
552 /* Regenerate display palette before drawing if list of requested
553 colors has changed. */
554 if (display_info
->regen_palette
)
556 w32_regenerate_palette (f
);
557 display_info
->regen_palette
= FALSE
;
562 /* Start update of window W. Set the global variable updated_window
563 to the window being updated and set output_cursor to the cursor
567 x_update_window_begin (struct window
*w
)
569 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
570 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
572 /* Hide the system caret during an update. */
573 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
575 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
579 set_output_cursor (&w
->cursor
);
583 if (f
== hlinfo
->mouse_face_mouse_frame
)
585 /* Don't do highlighting for mouse motion during the update. */
586 hlinfo
->mouse_face_defer
= 1;
588 /* If F needs to be redrawn, simply forget about any prior mouse
590 if (FRAME_GARBAGED_P (f
))
591 hlinfo
->mouse_face_window
= Qnil
;
593 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
594 their mouse_face_p flag set, which means that they are always
595 unequal to rows in a desired matrix which never have that
596 flag set. So, rows containing mouse-face glyphs are never
597 scrolled, and we don't have to switch the mouse highlight off
598 here to prevent it from being scrolled. */
600 /* Can we tell that this update does not affect the window
601 where the mouse highlight is? If so, no need to turn off.
602 Likewise, don't do anything if the frame is garbaged;
603 in that case, the frame's current matrix that we would use
604 is all wrong, and we will redisplay that line anyway. */
605 if (!NILP (hlinfo
->mouse_face_window
)
606 && w
== XWINDOW (hlinfo
->mouse_face_window
))
610 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
611 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
614 if (i
< w
->desired_matrix
->nrows
)
615 clear_mouse_face (hlinfo
);
623 /* Draw a vertical window border from (x,y0) to (x,y1) */
626 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
628 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
638 hdc
= get_frame_dc (f
);
639 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
641 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
643 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
645 release_frame_dc (f
, hdc
);
649 /* End update of window W (which is equal to updated_window).
651 Draw vertical borders between horizontally adjacent windows, and
652 display W's cursor if CURSOR_ON_P is non-zero.
654 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
655 glyphs in mouse-face were overwritten. In that case we have to
656 make sure that the mouse-highlight is properly redrawn.
658 W may be a menu bar pseudo-window in case we don't have X toolkit
659 support. Such windows don't have a cursor, so don't display it
663 x_update_window_end (struct window
*w
, int cursor_on_p
,
664 int mouse_face_overwritten_p
)
666 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (XFRAME (w
->frame
));
668 if (!w
->pseudo_window_p
)
673 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
675 output_cursor
.x
, output_cursor
.y
);
677 if (draw_window_fringes (w
, 1))
678 x_draw_vertical_border (w
);
683 /* If a row with mouse-face was overwritten, arrange for
684 XTframe_up_to_date to redisplay the mouse highlight. */
685 if (mouse_face_overwritten_p
)
687 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
688 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
689 hlinfo
->mouse_face_window
= Qnil
;
692 /* Unhide the caret. This won't actually show the cursor, unless it
693 was visible before the corresponding call to HideCaret in
694 x_update_window_begin. */
695 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
697 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
700 updated_window
= NULL
;
704 /* End update of frame F. This function is installed as a hook in
708 x_update_end (struct frame
*f
)
710 if (! FRAME_W32_P (f
))
713 /* Mouse highlight may be displayed again. */
714 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
718 /* This function is called from various places in xdisp.c whenever a
719 complete update has been performed. The global variable
720 updated_window is not available here. */
723 w32_frame_up_to_date (struct frame
*f
)
727 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
729 if (hlinfo
->mouse_face_deferred_gc
730 || f
== hlinfo
->mouse_face_mouse_frame
)
733 if (hlinfo
->mouse_face_mouse_frame
)
734 note_mouse_highlight (hlinfo
->mouse_face_mouse_frame
,
735 hlinfo
->mouse_face_mouse_x
,
736 hlinfo
->mouse_face_mouse_y
);
737 hlinfo
->mouse_face_deferred_gc
= 0;
744 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
745 arrow bitmaps, or clear the fringes if no bitmaps are required
746 before DESIRED_ROW is made current. The window being updated is
747 found in updated_window. This function is called from
748 update_window_line only if it is known that there are differences
749 between bitmaps to be drawn between current row and DESIRED_ROW. */
752 x_after_update_window_line (struct glyph_row
*desired_row
)
754 struct window
*w
= updated_window
;
760 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
761 desired_row
->redraw_fringe_bitmaps_p
= 1;
763 /* When a window has disappeared, make sure that no rest of
764 full-width rows stays visible in the internal border. Could
765 check here if updated_window is the leftmost/rightmost window,
766 but I guess it's not worth doing since vertically split windows
767 are almost never used, internal border is rarely set, and the
768 overhead is very small. */
769 if (windows_or_buffers_changed
770 && desired_row
->full_width_p
771 && (f
= XFRAME (w
->frame
),
772 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
774 && (height
= desired_row
->visible_height
,
777 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
781 HDC hdc
= get_frame_dc (f
);
782 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
783 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
785 release_frame_dc (f
, hdc
);
792 /* Draw the bitmap WHICH in one of the left or right fringes of
793 window W. ROW is the glyph row for which to display the bitmap; it
794 determines the vertical position at which the bitmap has to be
798 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
799 struct draw_fringe_bitmap_params
*p
)
801 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
803 struct face
*face
= p
->face
;
805 hdc
= get_frame_dc (f
);
809 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
811 /* If the fringe is adjacent to the left (right) scroll bar of a
812 leftmost (rightmost, respectively) window, then extend its
813 background to the gap between the fringe and the bar. */
814 if ((WINDOW_LEFTMOST_P (w
)
815 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
816 || (WINDOW_RIGHTMOST_P (w
)
817 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
819 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
823 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
824 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
825 * FRAME_COLUMN_WIDTH (f
));
829 /* Bitmap fills the fringe. */
830 if (bar_area_x
+ bar_area_width
== p
->x
)
831 bx
= bar_area_x
+ sb_width
;
832 else if (p
->x
+ p
->wd
== bar_area_x
)
836 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
838 nx
= bar_area_width
- sb_width
;
839 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
841 ny
= row
->visible_height
;
846 if (bar_area_x
+ bar_area_width
== bx
)
848 bx
= bar_area_x
+ sb_width
;
849 nx
+= bar_area_width
- sb_width
;
851 else if (bx
+ nx
== bar_area_x
)
852 nx
+= bar_area_width
- sb_width
;
857 if (bx
>= 0 && nx
> 0)
858 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
861 /* Must clip because of partially visible lines. */
862 w32_clip_to_row (w
, row
, -1, hdc
);
864 if (p
->which
&& p
->which
< max_fringe_bmp
)
866 HBITMAP pixmap
= fringe_bmp
[p
->which
];
870 compat_hdc
= CreateCompatibleDC (hdc
);
874 horig_obj
= SelectObject (compat_hdc
, pixmap
);
876 /* Paint overlays transparently. */
879 HBRUSH h_brush
, h_orig_brush
;
881 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
882 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
883 h_brush
= CreateSolidBrush (face
->foreground
);
884 h_orig_brush
= SelectObject (hdc
, h_brush
);
886 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
887 compat_hdc
, 0, p
->dh
,
889 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
890 compat_hdc
, 0, p
->dh
,
892 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
893 compat_hdc
, 0, p
->dh
,
896 SelectObject (hdc
, h_orig_brush
);
897 DeleteObject (h_brush
);
901 SetTextColor (hdc
, face
->background
);
902 SetBkColor (hdc
, (p
->cursor_p
903 ? f
->output_data
.w32
->cursor_pixel
904 : face
->foreground
));
906 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
907 compat_hdc
, 0, p
->dh
,
911 SelectObject (compat_hdc
, horig_obj
);
912 DeleteDC (compat_hdc
);
916 w32_set_clip_rectangle (hdc
, NULL
);
918 release_frame_dc (f
, hdc
);
922 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
924 if (which
>= max_fringe_bmp
)
926 int i
= max_fringe_bmp
;
927 max_fringe_bmp
= which
+ 20;
928 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
929 while (i
< max_fringe_bmp
)
933 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
937 w32_destroy_fringe_bitmap (int which
)
939 if (which
>= max_fringe_bmp
)
942 if (fringe_bmp
[which
])
943 DeleteObject (fringe_bmp
[which
]);
944 fringe_bmp
[which
] = 0;
949 /* This is called when starting Emacs and when restarting after
950 suspend. When starting Emacs, no window is mapped. And nothing
951 must be done to Emacs's own window if it is suspended (though that
955 w32_set_terminal_modes (struct terminal
*term
)
959 /* This is called when exiting or suspending Emacs. Exiting will make
960 the W32 windows go away, and suspending requires no action. */
963 w32_reset_terminal_modes (struct terminal
*term
)
969 /***********************************************************************
971 ***********************************************************************/
973 /* Function prototypes of this page. */
975 static void x_set_glyph_string_clipping (struct glyph_string
*);
976 static void x_set_glyph_string_gc (struct glyph_string
*);
977 static void x_draw_glyph_string_background (struct glyph_string
*,
979 static void x_draw_glyph_string_foreground (struct glyph_string
*);
980 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
981 static void x_draw_glyph_string_box (struct glyph_string
*);
982 static void x_draw_glyph_string (struct glyph_string
*);
983 static void x_set_cursor_gc (struct glyph_string
*);
984 static void x_set_mode_line_face_gc (struct glyph_string
*);
985 static void x_set_mouse_face_gc (struct glyph_string
*);
986 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
987 static void w32_setup_relief_color (struct frame
*, struct relief
*,
988 double, int, COLORREF
);
989 static void x_setup_relief_colors (struct glyph_string
*);
990 static void x_draw_image_glyph_string (struct glyph_string
*);
991 static void x_draw_image_relief (struct glyph_string
*);
992 static void x_draw_image_foreground (struct glyph_string
*);
993 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
994 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
996 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
997 int, int, int, int, int, int,
999 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
1000 int, int, int, RECT
*);
1003 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1007 x_set_cursor_gc (struct glyph_string
*s
)
1009 if (s
->font
== FRAME_FONT (s
->f
)
1010 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1011 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1013 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1016 /* Cursor on non-default face: must merge. */
1020 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1021 xgcv
.foreground
= s
->face
->background
;
1023 /* If the glyph would be invisible, try a different foreground. */
1024 if (xgcv
.foreground
== xgcv
.background
)
1025 xgcv
.foreground
= s
->face
->foreground
;
1026 if (xgcv
.foreground
== xgcv
.background
)
1027 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1028 if (xgcv
.foreground
== xgcv
.background
)
1029 xgcv
.foreground
= s
->face
->foreground
;
1031 /* Make sure the cursor is distinct from text in this face. */
1032 if (xgcv
.background
== s
->face
->background
1033 && xgcv
.foreground
== s
->face
->foreground
)
1035 xgcv
.background
= s
->face
->foreground
;
1036 xgcv
.foreground
= s
->face
->background
;
1039 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1040 xgcv
.font
= s
->font
;
1041 mask
= GCForeground
| GCBackground
| GCFont
;
1043 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1044 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1047 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1048 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1050 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1055 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1058 x_set_mouse_face_gc (struct glyph_string
*s
)
1063 /* What face has to be used last for the mouse face? */
1064 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
1065 face
= FACE_FROM_ID (s
->f
, face_id
);
1067 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1069 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1070 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1072 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1073 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1074 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1076 /* If font in this face is same as S->font, use it. */
1077 if (s
->font
== s
->face
->font
)
1078 s
->gc
= s
->face
->gc
;
1081 /* Otherwise construct scratch_cursor_gc with values from FACE
1086 xgcv
.background
= s
->face
->background
;
1087 xgcv
.foreground
= s
->face
->foreground
;
1088 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1089 xgcv
.font
= s
->font
;
1090 mask
= GCForeground
| GCBackground
| GCFont
;
1092 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1093 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1096 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1097 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1099 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1102 eassert (s
->gc
!= 0);
1106 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1107 Faces to use in the mode line have already been computed when the
1108 matrix was built, so there isn't much to do, here. */
1111 x_set_mode_line_face_gc (struct glyph_string
*s
)
1113 s
->gc
= s
->face
->gc
;
1117 /* Set S->gc of glyph string S for drawing that glyph string. Set
1118 S->stippled_p to a non-zero value if the face of S has a stipple
1122 x_set_glyph_string_gc (struct glyph_string
*s
)
1124 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1126 if (s
->hl
== DRAW_NORMAL_TEXT
)
1128 s
->gc
= s
->face
->gc
;
1129 s
->stippled_p
= s
->face
->stipple
!= 0;
1131 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1133 x_set_mode_line_face_gc (s
);
1134 s
->stippled_p
= s
->face
->stipple
!= 0;
1136 else if (s
->hl
== DRAW_CURSOR
)
1138 x_set_cursor_gc (s
);
1141 else if (s
->hl
== DRAW_MOUSE_FACE
)
1143 x_set_mouse_face_gc (s
);
1144 s
->stippled_p
= s
->face
->stipple
!= 0;
1146 else if (s
->hl
== DRAW_IMAGE_RAISED
1147 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1149 s
->gc
= s
->face
->gc
;
1150 s
->stippled_p
= s
->face
->stipple
!= 0;
1154 s
->gc
= s
->face
->gc
;
1155 s
->stippled_p
= s
->face
->stipple
!= 0;
1158 /* GC must have been set. */
1159 eassert (s
->gc
!= 0);
1163 /* Set clipping for output of glyph string S. S may be part of a mode
1164 line or menu if we don't have X toolkit support. */
1167 x_set_glyph_string_clipping (struct glyph_string
*s
)
1170 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1173 w32_set_clip_rectangle (s
->hdc
, r
);
1176 HRGN clip1
= CreateRectRgnIndirect (r
);
1177 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1178 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1179 SelectClipRgn (s
->hdc
, clip1
);
1180 DeleteObject (clip1
);
1181 DeleteObject (clip2
);
1186 /* Set SRC's clipping for output of glyph string DST. This is called
1187 when we are drawing DST's left_overhang or right_overhang only in
1191 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1192 struct glyph_string
*dst
)
1197 r
.right
= r
.left
+ src
->width
;
1199 r
.bottom
= r
.top
+ src
->height
;
1202 w32_set_clip_rectangle (dst
->hdc
, &r
);
1206 Compute left and right overhang of glyph string S. */
1209 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1212 && s
->first_glyph
->type
== CHAR_GLYPH
1213 && !s
->font_not_found_p
)
1215 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1216 struct font
*font
= s
->font
;
1217 struct font_metrics metrics
;
1220 for (i
= 0; i
< s
->nchars
; i
++)
1221 code
[i
] = s
->char2b
[i
];
1222 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1223 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1224 ? metrics
.rbearing
- metrics
.width
: 0);
1225 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1229 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1230 s
->left_overhang
= -s
->cmp
->lbearing
;
1234 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1237 x_clear_glyph_string_rect (struct glyph_string
*s
,
1238 int x
, int y
, int w
, int h
)
1245 /* Take clipping into account. */
1246 if (s
->gc
->clip_mask
== Rect
)
1248 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1249 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1250 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1251 - s
->gc
->clip_rectangle
.left
);
1252 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1253 - s
->gc
->clip_rectangle
.top
);
1256 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1261 /* Draw the background of glyph_string S. If S->background_filled_p
1262 is non-zero don't draw it. FORCE_P non-zero means draw the
1263 background even if it wouldn't be drawn normally. This is used
1264 when a string preceding S draws into the background of S, or S
1265 contains the first component of a composition. */
1268 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1270 /* Nothing to do if background has already been drawn or if it
1271 shouldn't be drawn in the first place. */
1272 if (!s
->background_filled_p
)
1274 int box_line_width
= max (s
->face
->box_line_width
, 0);
1276 #if 0 /* TODO: stipple */
1279 /* Fill background with a stipple pattern. */
1280 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1281 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1282 s
->y
+ box_line_width
,
1283 s
->background_width
,
1284 s
->height
- 2 * box_line_width
);
1285 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1286 s
->background_filled_p
= 1;
1290 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1291 || s
->font_not_found_p
1292 || s
->extends_to_end_of_line_p
1295 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1296 s
->background_width
,
1297 s
->height
- 2 * box_line_width
);
1298 s
->background_filled_p
= 1;
1304 /* Draw the foreground of glyph string S. */
1307 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1311 /* If first glyph of S has a left box line, start drawing the text
1312 of S to the right of that box line. */
1313 if (s
->face
->box
!= FACE_NO_BOX
1314 && s
->first_glyph
->left_box_line_p
)
1315 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1319 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1320 SetBkColor (s
->hdc
, s
->gc
->background
);
1321 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1323 /* Draw characters of S as rectangles if S's font could not be
1325 if (s
->font_not_found_p
)
1327 for (i
= 0; i
< s
->nchars
; ++i
)
1329 struct glyph
*g
= s
->first_glyph
+ i
;
1331 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1333 x
+= g
->pixel_width
;
1338 struct font
*font
= s
->font
;
1339 int boff
= font
->baseline_offset
;
1343 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1345 if (font
->vertical_centering
)
1346 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1348 y
= s
->ybase
- boff
;
1350 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1351 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1353 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1354 if (s
->face
->overstrike
)
1355 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1357 SelectObject (s
->hdc
, old_font
);
1361 /* Draw the foreground of composite glyph string S. */
1364 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1367 struct font
*font
= s
->font
;
1369 /* If first glyph of S has a left box line, start drawing the text
1370 of S to the right of that box line. */
1371 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1372 && s
->first_glyph
->left_box_line_p
)
1373 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1377 /* S is a glyph string for a composition. S->cmp_from is the index
1378 of the first character drawn for glyphs of this composition.
1379 S->cmp_from == 0 means we are drawing the very first character of
1380 this composition. */
1382 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1383 SetBkColor (s
->hdc
, s
->gc
->background
);
1384 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1386 /* Draw a rectangle for the composition if the font for the very
1387 first character of the composition could not be loaded. */
1388 if (s
->font_not_found_p
)
1390 if (s
->cmp_from
== 0)
1391 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1394 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1399 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1401 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1402 /* TAB in a composition means display glyphs with padding
1403 space on the left or right. */
1404 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1406 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1407 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1409 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1410 if (s
->face
->overstrike
)
1411 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1413 SelectObject (s
->hdc
, old_font
);
1417 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1423 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1425 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1427 glyph
= LGSTRING_GLYPH (gstring
, i
);
1428 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1429 width
+= LGLYPH_WIDTH (glyph
);
1432 int xoff
, yoff
, wadjust
;
1436 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1439 xoff
= LGLYPH_XOFF (glyph
);
1440 yoff
= LGLYPH_YOFF (glyph
);
1441 wadjust
= LGLYPH_WADJUST (glyph
);
1442 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1449 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1451 SelectObject (s
->hdc
, old_font
);
1456 /* Draw the foreground of glyph string S for glyphless characters. */
1459 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1461 struct glyph
*glyph
= s
->first_glyph
;
1464 int with_background
;
1466 /* If first glyph of S has a left box line, start drawing the text
1467 of S to the right of that box line. */
1468 if (s
->face
->box
!= FACE_NO_BOX
1469 && s
->first_glyph
->left_box_line_p
)
1470 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1474 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1475 SetBkColor (s
->hdc
, s
->gc
->background
);
1476 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1479 with_background
= ! (s
->for_overlaps
1480 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1481 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1483 char buf
[7], *str
= NULL
;
1484 int len
= glyph
->u
.glyphless
.len
;
1486 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1489 && CHAR_TABLE_P (Vglyphless_char_display
)
1490 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1494 = (! glyph
->u
.glyphless
.for_no_font
1495 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1496 glyph
->u
.glyphless
.ch
)
1497 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1498 if (STRINGP (acronym
))
1499 str
= SSDATA (acronym
);
1502 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1504 sprintf ((char *) buf
, "%0*X",
1505 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1506 glyph
->u
.glyphless
.ch
);
1510 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1511 w32_draw_rectangle (s
->hdc
, s
->gc
,
1512 x
, s
->ybase
- glyph
->ascent
,
1513 glyph
->pixel_width
- 1,
1514 glyph
->ascent
+ glyph
->descent
- 1);
1517 struct font
*font
= s
->font
;
1518 int upper_len
= (len
+ 1) / 2;
1522 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1523 /* It is certain that all LEN characters in STR are ASCII. */
1524 for (j
= 0; j
< len
; j
++)
1526 code
= font
->driver
->encode_char (font
, str
[j
]);
1527 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1529 font
->driver
->draw (s
, 0, upper_len
,
1530 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1531 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1533 font
->driver
->draw (s
, upper_len
, len
,
1534 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1535 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1537 SelectObject (s
->hdc
, old_font
);
1539 x
+= glyph
->pixel_width
;
1544 /* Brightness beyond which a color won't have its highlight brightness
1547 Nominally, highlight colors for `3d' faces are calculated by
1548 brightening an object's color by a constant scale factor, but this
1549 doesn't yield good results for dark colors, so for colors whose
1550 brightness is less than this value (on a scale of 0-255) have to
1551 use an additional additive factor.
1553 The value here is set so that the default menu-bar/mode-line color
1554 (grey75) will not have its highlights changed at all. */
1555 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1558 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1559 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1560 If this produces the same color as COLOR, try a color where all RGB
1561 values have DELTA added. Return the allocated color in *COLOR.
1562 DISPLAY is the X display, CMAP is the colormap to operate on.
1563 Value is non-zero if successful. */
1566 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1567 double factor
, int delta
)
1572 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1575 /* Change RGB values by specified FACTOR. Avoid overflow! */
1576 eassert (factor
>= 0);
1577 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1578 min (0xff, factor
* GetGValue (*color
)),
1579 min (0xff, factor
* GetBValue (*color
)));
1581 /* Calculate brightness of COLOR. */
1582 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1583 + GetBValue (*color
)) / 6;
1585 /* We only boost colors that are darker than
1586 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1587 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1588 /* Make an additive adjustment to NEW, because it's dark enough so
1589 that scaling by FACTOR alone isn't enough. */
1591 /* How far below the limit this color is (0 - 1, 1 being darker). */
1592 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1593 /* The additive adjustment. */
1594 int min_delta
= delta
* dimness
* factor
/ 2;
1597 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1598 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1599 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1601 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1602 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1603 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1607 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1608 max (0, min (0xff, delta
+ GetGValue (*color
))),
1609 max (0, min (0xff, delta
+ GetBValue (*color
))));
1611 /* TODO: Map to palette and retry with delta if same? */
1612 /* TODO: Free colors (if using palette)? */
1622 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1623 colors in COLORS. On W32, we no longer try to map colors to
1626 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1630 for (i
= 0; i
< ncolors
; i
++)
1632 DWORD pixel
= colors
[i
].pixel
;
1633 /* Convert to a 16 bit value in range 0 - 0xffff. */
1634 colors
[i
].red
= GetRValue (pixel
) * 257;
1635 colors
[i
].green
= GetGValue (pixel
) * 257;
1636 colors
[i
].blue
= GetBValue (pixel
) * 257;
1641 x_query_color (struct frame
*f
, XColor
*color
)
1643 x_query_colors (f
, color
, 1);
1647 /* Set up the foreground color for drawing relief lines of glyph
1648 string S. RELIEF is a pointer to a struct relief containing the GC
1649 with which lines will be drawn. Use a color that is FACTOR or
1650 DELTA lighter or darker than the relief's background which is found
1651 in S->f->output_data.x->relief_background. If such a color cannot
1652 be allocated, use DEFAULT_PIXEL, instead. */
1655 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1656 int delta
, COLORREF default_pixel
)
1659 struct w32_output
*di
= f
->output_data
.w32
;
1660 unsigned long mask
= GCForeground
;
1662 COLORREF background
= di
->relief_background
;
1663 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1665 /* TODO: Free colors (if using palette)? */
1667 /* Allocate new color. */
1668 xgcv
.foreground
= default_pixel
;
1670 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1672 relief
->allocated_p
= 1;
1673 xgcv
.foreground
= relief
->pixel
= pixel
;
1676 if (relief
->gc
== 0)
1678 #if 0 /* TODO: stipple */
1679 xgcv
.stipple
= dpyinfo
->gray
;
1682 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1685 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1689 /* Set up colors for the relief lines around glyph string S. */
1692 x_setup_relief_colors (struct glyph_string
*s
)
1694 struct w32_output
*di
= s
->f
->output_data
.w32
;
1697 if (s
->face
->use_box_color_for_shadows_p
)
1698 color
= s
->face
->box_color
;
1699 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1701 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1702 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1704 color
= s
->gc
->background
;
1706 if (di
->white_relief
.gc
== 0
1707 || color
!= di
->relief_background
)
1709 di
->relief_background
= color
;
1710 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1711 WHITE_PIX_DEFAULT (s
->f
));
1712 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1713 BLACK_PIX_DEFAULT (s
->f
));
1718 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1719 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1720 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1721 relief. LEFT_P non-zero means draw a relief on the left side of
1722 the rectangle. RIGHT_P non-zero means draw a relief on the right
1723 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1727 w32_draw_relief_rect (struct frame
*f
,
1728 int left_x
, int top_y
, int right_x
, int bottom_y
,
1729 int width
, int raised_p
,
1730 int top_p
, int bot_p
, int left_p
, int right_p
,
1735 HDC hdc
= get_frame_dc (f
);
1738 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1740 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1742 w32_set_clip_rectangle (hdc
, clip_rect
);
1746 for (i
= 0; i
< width
; ++i
)
1747 w32_fill_area (f
, hdc
, gc
.foreground
,
1748 left_x
+ i
* left_p
, top_y
+ i
,
1749 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1753 for (i
= 0; i
< width
; ++i
)
1754 w32_fill_area (f
, hdc
, gc
.foreground
,
1755 left_x
+ i
, top_y
+ i
, 1,
1756 bottom_y
- top_y
- 2 * i
+ 1);
1759 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1761 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1765 for (i
= 0; i
< width
; ++i
)
1766 w32_fill_area (f
, hdc
, gc
.foreground
,
1767 left_x
+ i
* left_p
, bottom_y
- i
,
1768 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1772 for (i
= 0; i
< width
; ++i
)
1773 w32_fill_area (f
, hdc
, gc
.foreground
,
1774 right_x
- i
, top_y
+ i
+ 1, 1,
1775 bottom_y
- top_y
- 2 * i
- 1);
1777 w32_set_clip_rectangle (hdc
, NULL
);
1779 release_frame_dc (f
, hdc
);
1783 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1784 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1785 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1786 left side of the rectangle. RIGHT_P non-zero means draw a line
1787 on the right side of the rectangle. CLIP_RECT is the clipping
1788 rectangle to use when drawing. */
1791 w32_draw_box_rect (struct glyph_string
*s
,
1792 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1793 int left_p
, int right_p
, RECT
*clip_rect
)
1795 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1798 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1799 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1804 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1805 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1809 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1810 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1815 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1816 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1819 w32_set_clip_rectangle (s
->hdc
, NULL
);
1823 /* Draw a box around glyph string S. */
1826 x_draw_glyph_string_box (struct glyph_string
*s
)
1828 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1829 int left_p
, right_p
;
1830 struct glyph
*last_glyph
;
1833 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1834 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1835 : window_box_right (s
->w
, s
->area
));
1837 /* The glyph that may have a right box line. */
1838 last_glyph
= (s
->cmp
|| s
->img
1840 : s
->first_glyph
+ s
->nchars
- 1);
1842 width
= eabs (s
->face
->box_line_width
);
1843 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1845 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1847 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1849 bottom_y
= top_y
+ s
->height
- 1;
1851 left_p
= (s
->first_glyph
->left_box_line_p
1852 || (s
->hl
== DRAW_MOUSE_FACE
1854 || s
->prev
->hl
!= s
->hl
)));
1855 right_p
= (last_glyph
->right_box_line_p
1856 || (s
->hl
== DRAW_MOUSE_FACE
1858 || s
->next
->hl
!= s
->hl
)));
1860 get_glyph_string_clip_rect (s
, &clip_rect
);
1862 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1863 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1864 left_p
, right_p
, &clip_rect
);
1867 x_setup_relief_colors (s
);
1868 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1869 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1874 /* Draw foreground of image glyph string S. */
1877 x_draw_image_foreground (struct glyph_string
*s
)
1880 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1882 /* If first glyph of S has a left box line, start drawing it to the
1883 right of that line. */
1884 if (s
->face
->box
!= FACE_NO_BOX
1885 && s
->first_glyph
->left_box_line_p
1887 x
+= eabs (s
->face
->box_line_width
);
1889 /* If there is a margin around the image, adjust x- and y-position
1891 if (s
->slice
.x
== 0)
1892 x
+= s
->img
->hmargin
;
1893 if (s
->slice
.y
== 0)
1894 y
+= s
->img
->vmargin
;
1900 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1901 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1902 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1903 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1904 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1905 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1906 x_set_glyph_string_clipping (s
);
1910 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1911 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1913 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1914 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1916 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1917 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1918 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1919 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1920 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1921 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1923 SelectObject (mask_dc
, mask_orig_obj
);
1928 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1929 SetBkColor (s
->hdc
, s
->gc
->background
);
1931 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1932 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1934 /* When the image has a mask, we can expect that at
1935 least part of a mouse highlight or a block cursor will
1936 be visible. If the image doesn't have a mask, make
1937 a block cursor visible by drawing a rectangle around
1938 the image. I believe it's looking better if we do
1939 nothing here for mouse-face. */
1940 if (s
->hl
== DRAW_CURSOR
)
1942 int r
= s
->img
->relief
;
1944 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1945 s
->slice
.width
+ r
*2 - 1,
1946 s
->slice
.height
+ r
*2 - 1);
1950 w32_set_clip_rectangle (s
->hdc
, NULL
);
1951 SelectObject (s
->hdc
, orig_brush
);
1952 DeleteObject (fg_brush
);
1953 SelectObject (compat_hdc
, orig_obj
);
1954 DeleteDC (compat_hdc
);
1957 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1958 s
->slice
.width
- 1, s
->slice
.height
- 1);
1960 RestoreDC (s
->hdc
,-1);
1964 /* Draw a relief around the image glyph string S. */
1967 x_draw_image_relief (struct glyph_string
*s
)
1969 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1972 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1974 /* If first glyph of S has a left box line, start drawing it to the
1975 right of that line. */
1976 if (s
->face
->box
!= FACE_NO_BOX
1977 && s
->first_glyph
->left_box_line_p
1979 x
+= eabs (s
->face
->box_line_width
);
1981 /* If there is a margin around the image, adjust x- and y-position
1983 if (s
->slice
.x
== 0)
1984 x
+= s
->img
->hmargin
;
1985 if (s
->slice
.y
== 0)
1986 y
+= s
->img
->vmargin
;
1988 if (s
->hl
== DRAW_IMAGE_SUNKEN
1989 || s
->hl
== DRAW_IMAGE_RAISED
)
1991 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1992 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1993 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1997 thick
= eabs (s
->img
->relief
);
1998 raised_p
= s
->img
->relief
> 0;
2003 x1
= x
+ s
->slice
.width
+ thick
- 1;
2004 y1
= y
+ s
->slice
.height
+ thick
- 1;
2006 x_setup_relief_colors (s
);
2007 get_glyph_string_clip_rect (s
, &r
);
2008 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2010 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2012 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2017 /* Draw the foreground of image glyph string S to PIXMAP. */
2020 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
2022 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2023 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2025 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2027 /* If first glyph of S has a left box line, start drawing it to the
2028 right of that line. */
2029 if (s
->face
->box
!= FACE_NO_BOX
2030 && s
->first_glyph
->left_box_line_p
2032 x
+= eabs (s
->face
->box_line_width
);
2034 /* If there is a margin around the image, adjust x- and y-position
2036 if (s
->slice
.x
== 0)
2037 x
+= s
->img
->hmargin
;
2038 if (s
->slice
.y
== 0)
2039 y
+= s
->img
->vmargin
;
2043 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2044 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2045 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2046 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2050 HDC mask_dc
= CreateCompatibleDC (hdc
);
2051 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2053 SetTextColor (hdc
, RGB (0, 0, 0));
2054 SetBkColor (hdc
, RGB (255, 255, 255));
2055 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2056 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2057 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2058 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2059 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2060 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2062 SelectObject (mask_dc
, mask_orig_obj
);
2067 SetTextColor (hdc
, s
->gc
->foreground
);
2068 SetBkColor (hdc
, s
->gc
->background
);
2070 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2071 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2073 /* When the image has a mask, we can expect that at
2074 least part of a mouse highlight or a block cursor will
2075 be visible. If the image doesn't have a mask, make
2076 a block cursor visible by drawing a rectangle around
2077 the image. I believe it's looking better if we do
2078 nothing here for mouse-face. */
2079 if (s
->hl
== DRAW_CURSOR
)
2081 int r
= s
->img
->relief
;
2083 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2084 s
->slice
.width
+ r
*2 - 1,
2085 s
->slice
.height
+ r
*2 - 1);
2089 SelectObject (hdc
, orig_brush
);
2090 DeleteObject (fg_brush
);
2091 SelectObject (compat_hdc
, orig_obj
);
2092 DeleteDC (compat_hdc
);
2095 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2096 s
->slice
.width
- 1, s
->slice
.height
- 1);
2098 SelectObject (hdc
, orig_hdc_obj
);
2103 /* Draw part of the background of glyph string S. X, Y, W, and H
2104 give the rectangle to draw. */
2107 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2109 #if 0 /* TODO: stipple */
2112 /* Fill background with a stipple pattern. */
2113 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2114 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2115 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2119 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2123 /* Draw image glyph string S.
2126 s->x +-------------------------
2129 | +-------------------------
2132 | | +-------------------
2138 x_draw_image_glyph_string (struct glyph_string
*s
)
2141 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2142 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2146 height
= s
->height
- 2 * box_line_vwidth
;
2148 /* Fill background with face under the image. Do it only if row is
2149 taller than image or if image has a clip mask to reduce
2151 s
->stippled_p
= s
->face
->stipple
!= 0;
2152 if (height
> s
->slice
.height
2156 || s
->img
->pixmap
== 0
2157 || s
->width
!= s
->background_width
)
2160 if (s
->first_glyph
->left_box_line_p
2162 x
+= box_line_hwidth
;
2165 if (s
->slice
.y
== 0)
2166 y
+= box_line_vwidth
;
2168 #if 0 /* TODO: figure out if we need to do this on Windows. */
2171 /* Create a pixmap as large as the glyph string. Fill it
2172 with the background color. Copy the image to it, using
2173 its mask. Copy the temporary pixmap to the display. */
2174 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2175 int depth
= DefaultDepthOfScreen (screen
);
2177 /* Create a pixmap as large as the glyph string. */
2178 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2179 s
->background_width
,
2182 /* Don't clip in the following because we're working on the
2184 XSetClipMask (s
->display
, s
->gc
, None
);
2186 /* Fill the pixmap with the background color/stipple. */
2189 /* Fill background with a stipple pattern. */
2190 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2191 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2192 0, 0, s
->background_width
, s
->height
);
2193 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2198 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2200 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2201 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2202 0, 0, s
->background_width
, s
->height
);
2203 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2208 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2210 s
->background_filled_p
= 1;
2213 /* Draw the foreground. */
2216 w32_draw_image_foreground_1 (s
, pixmap
);
2217 x_set_glyph_string_clipping (s
);
2219 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2220 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2221 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2222 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2224 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2225 SetBkColor (s
->hdc
, s
->gc
->background
);
2226 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2227 compat_hdc
, 0, 0, SRCCOPY
);
2229 SelectObject (s
->hdc
, orig_brush
);
2230 DeleteObject (fg_brush
);
2231 SelectObject (compat_hdc
, orig_obj
);
2232 DeleteDC (compat_hdc
);
2234 DeleteObject (pixmap
);
2238 x_draw_image_foreground (s
);
2240 /* If we must draw a relief around the image, do it. */
2242 || s
->hl
== DRAW_IMAGE_RAISED
2243 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2244 x_draw_image_relief (s
);
2248 /* Draw stretch glyph string S. */
2251 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2253 eassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2255 if (s
->hl
== DRAW_CURSOR
2256 && !x_stretch_cursor_p
)
2258 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2259 wide as the stretch glyph. */
2260 int width
, background_width
= s
->background_width
;
2263 if (!s
->row
->reversed_p
)
2265 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2269 background_width
-= left_x
- x
;
2275 /* In R2L rows, draw the cursor on the right edge of the
2277 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2279 if (x
+ background_width
> right_x
)
2280 background_width
-= x
- right_x
;
2281 x
+= background_width
;
2283 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2284 if (s
->row
->reversed_p
)
2288 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2290 /* Clear rest using the GC of the original non-cursor face. */
2291 if (width
< background_width
)
2293 XGCValues
*gc
= s
->face
->gc
;
2295 int w
= background_width
- width
, h
= s
->height
;
2299 if (!s
->row
->reversed_p
)
2303 if (s
->row
->mouse_face_p
2304 && cursor_in_mouse_face_p (s
->w
))
2306 x_set_mouse_face_gc (s
);
2312 get_glyph_string_clip_rect (s
, &r
);
2313 w32_set_clip_rectangle (hdc
, &r
);
2315 #if 0 /* TODO: stipple */
2316 if (s
->face
->stipple
)
2318 /* Fill background with a stipple pattern. */
2319 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2320 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2321 XSetFillStyle (s
->display
, gc
, FillSolid
);
2326 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2330 else if (!s
->background_filled_p
)
2332 int background_width
= s
->background_width
;
2333 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2335 /* Don't draw into left margin, fringe or scrollbar area
2336 except for header line and mode line. */
2337 if (x
< left_x
&& !s
->row
->mode_line_p
)
2339 background_width
-= left_x
- x
;
2342 if (background_width
> 0)
2343 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2346 s
->background_filled_p
= 1;
2350 /* Draw glyph string S. */
2353 x_draw_glyph_string (struct glyph_string
*s
)
2355 int relief_drawn_p
= 0;
2357 /* If S draws into the background of its successor, draw the
2358 background of the successor first so that S can draw into it.
2359 This makes S->next use XDrawString instead of XDrawImageString. */
2360 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2363 struct glyph_string
*next
;
2364 for (width
= 0, next
= s
->next
;
2365 next
&& width
< s
->right_overhang
;
2366 width
+= next
->width
, next
= next
->next
)
2367 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2369 x_set_glyph_string_gc (next
);
2370 x_set_glyph_string_clipping (next
);
2371 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2372 x_draw_stretch_glyph_string (next
);
2374 x_draw_glyph_string_background (next
, 1);
2375 next
->num_clips
= 0;
2379 /* Set up S->gc, set clipping and draw S. */
2380 x_set_glyph_string_gc (s
);
2382 /* Draw relief (if any) in advance for char/composition so that the
2383 glyph string can be drawn over it. */
2384 if (!s
->for_overlaps
2385 && s
->face
->box
!= FACE_NO_BOX
2386 && (s
->first_glyph
->type
== CHAR_GLYPH
2387 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2390 x_set_glyph_string_clipping (s
);
2391 x_draw_glyph_string_background (s
, 1);
2392 x_draw_glyph_string_box (s
);
2393 x_set_glyph_string_clipping (s
);
2396 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2398 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2399 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2400 /* We must clip just this glyph. left_overhang part has already
2401 drawn when s->prev was drawn, and right_overhang part will be
2402 drawn later when s->next is drawn. */
2403 x_set_glyph_string_clipping_exactly (s
, s
);
2405 x_set_glyph_string_clipping (s
);
2407 switch (s
->first_glyph
->type
)
2410 x_draw_image_glyph_string (s
);
2414 x_draw_stretch_glyph_string (s
);
2418 if (s
->for_overlaps
)
2419 s
->background_filled_p
= 1;
2421 x_draw_glyph_string_background (s
, 0);
2422 x_draw_glyph_string_foreground (s
);
2425 case COMPOSITE_GLYPH
:
2426 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2427 && ! s
->first_glyph
->u
.cmp
.automatic
))
2428 s
->background_filled_p
= 1;
2430 x_draw_glyph_string_background (s
, 1);
2431 x_draw_composite_glyph_string_foreground (s
);
2434 case GLYPHLESS_GLYPH
:
2435 if (s
->for_overlaps
)
2436 s
->background_filled_p
= 1;
2438 x_draw_glyph_string_background (s
, 0);
2439 x_draw_glyphless_glyph_string_foreground (s
);
2446 if (!s
->for_overlaps
)
2448 /* Draw underline. */
2449 if (s
->face
->underline_p
)
2451 if (s
->face
->underline_type
== FACE_UNDER_WAVE
)
2455 if (s
->face
->underline_defaulted_p
)
2456 color
= s
->gc
->foreground
;
2458 color
= s
->face
->underline_color
;
2460 w32_draw_underwave (s
, color
);
2462 else if (s
->face
->underline_type
== FACE_UNDER_LINE
)
2464 unsigned long thickness
, position
;
2467 if (s
->prev
&& s
->prev
->face
->underline_p
)
2469 /* We use the same underline style as the previous one. */
2470 thickness
= s
->prev
->underline_thickness
;
2471 position
= s
->prev
->underline_position
;
2475 /* Get the underline thickness. Default is 1 pixel. */
2476 if (s
->font
&& s
->font
->underline_thickness
> 0)
2477 thickness
= s
->font
->underline_thickness
;
2480 if (x_underline_at_descent_line
)
2481 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2484 /* Get the underline position. This is the recommended
2485 vertical offset in pixels from the baseline to the top of
2486 the underline. This is a signed value according to the
2487 specs, and its default is
2489 ROUND ((maximum_descent) / 2), with
2490 ROUND (x) = floor (x + 0.5) */
2492 if (x_use_underline_position_properties
2493 && s
->font
&& s
->font
->underline_position
>= 0)
2494 position
= s
->font
->underline_position
;
2496 position
= (s
->font
->descent
+ 1) / 2;
2498 position
= max (position
, underline_minimum_offset
);
2500 /* Check the sanity of thickness and position. We should
2501 avoid drawing underline out of the current line area. */
2502 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2503 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2504 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2505 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2506 s
->underline_thickness
= thickness
;
2507 s
->underline_position
=position
;
2508 y
= s
->ybase
+ position
;
2509 if (s
->face
->underline_defaulted_p
)
2511 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2516 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2521 /* Draw overline. */
2522 if (s
->face
->overline_p
)
2524 unsigned long dy
= 0, h
= 1;
2526 if (s
->face
->overline_color_defaulted_p
)
2528 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2529 s
->y
+ dy
, s
->width
, h
);
2533 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2534 s
->y
+ dy
, s
->width
, h
);
2538 /* Draw strike-through. */
2539 if (s
->face
->strike_through_p
2540 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2542 unsigned long h
= 1;
2543 unsigned long dy
= (s
->height
- h
) / 2;
2545 if (s
->face
->strike_through_color_defaulted_p
)
2547 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2552 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2553 s
->y
+ dy
, s
->width
, h
);
2557 /* Draw relief if not yet drawn. */
2558 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2559 x_draw_glyph_string_box (s
);
2563 struct glyph_string
*prev
;
2565 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2566 if (prev
->hl
!= s
->hl
2567 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2569 /* As prev was drawn while clipped to its own area, we
2570 must draw the right_overhang part using s->hl now. */
2571 enum draw_glyphs_face save
= prev
->hl
;
2574 x_set_glyph_string_gc (prev
);
2575 x_set_glyph_string_clipping_exactly (s
, prev
);
2576 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2577 x_draw_glyph_string_foreground (prev
);
2579 x_draw_composite_glyph_string_foreground (prev
);
2580 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2582 prev
->num_clips
= 0;
2588 struct glyph_string
*next
;
2590 for (next
= s
->next
; next
; next
= next
->next
)
2591 if (next
->hl
!= s
->hl
2592 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2594 /* As next will be drawn while clipped to its own area,
2595 we must draw the left_overhang part using s->hl now. */
2596 enum draw_glyphs_face save
= next
->hl
;
2599 x_set_glyph_string_gc (next
);
2600 x_set_glyph_string_clipping_exactly (s
, next
);
2601 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2602 x_draw_glyph_string_foreground (next
);
2604 x_draw_composite_glyph_string_foreground (next
);
2605 w32_set_clip_rectangle (next
->hdc
, NULL
);
2607 next
->num_clips
= 0;
2612 /* Reset clipping. */
2613 w32_set_clip_rectangle (s
->hdc
, NULL
);
2618 /* Shift display to make room for inserted glyphs. */
2621 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2622 int width
, int height
, int shift_by
)
2626 hdc
= get_frame_dc (f
);
2627 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2628 hdc
, x
, y
, SRCCOPY
);
2630 release_frame_dc (f
, hdc
);
2634 /* Delete N glyphs at the nominal cursor position. Not implemented
2638 x_delete_glyphs (struct frame
*f
, register int n
)
2640 if (! FRAME_W32_P (f
))
2647 /* Clear entire frame. */
2650 x_clear_frame (struct frame
*f
)
2652 if (! FRAME_W32_P (f
))
2655 /* Clearing the frame will erase any cursor, so mark them all as no
2657 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2658 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2659 output_cursor
.x
= -1;
2661 /* We don't set the output cursor here because there will always
2662 follow an explicit cursor_to. */
2665 w32_clear_window (f
);
2667 /* We have to clear the scroll bars, too. If we have changed
2668 colors or something like that, then they should be notified. */
2669 x_scroll_bar_clear (f
);
2675 /* Make audible bell. */
2678 w32_ring_bell (struct frame
*f
)
2682 if (FRAME_W32_P (f
) && visible_bell
)
2685 HWND hwnd
= FRAME_W32_WINDOW (f
);
2687 for (i
= 0; i
< 5; i
++)
2689 FlashWindow (hwnd
, TRUE
);
2692 FlashWindow (hwnd
, FALSE
);
2695 w32_sys_ring_bell (f
);
2701 /* Specify how many text lines, from the top of the window,
2702 should be affected by insert-lines and delete-lines operations.
2703 This, and those operations, are used only within an update
2704 that is bounded by calls to x_update_begin and x_update_end. */
2707 w32_set_terminal_window (struct frame
*f
, int n
)
2709 /* This function intentionally left blank. */
2713 /***********************************************************************
2715 ***********************************************************************/
2717 /* Perform an insert-lines or delete-lines operation, inserting N
2718 lines or deleting -N lines at vertical position VPOS. */
2721 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2723 if (! FRAME_W32_P (f
))
2730 /* Scroll part of the display as described by RUN. */
2733 x_scroll_run (struct window
*w
, struct run
*run
)
2735 struct frame
*f
= XFRAME (w
->frame
);
2736 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2737 HWND hwnd
= FRAME_W32_WINDOW (f
);
2740 /* Get frame-relative bounding box of the text display area of W,
2741 without mode lines. Include in this box the left and right
2743 window_box (w
, -1, &x
, &y
, &width
, &height
);
2745 /* If the fringe is adjacent to the left (right) scroll bar of a
2746 leftmost (rightmost, respectively) window, then extend its
2747 background to the gap between the fringe and the bar. */
2748 if ((WINDOW_LEFTMOST_P (w
)
2749 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2750 || (WINDOW_RIGHTMOST_P (w
)
2751 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2753 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2757 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2758 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2759 * FRAME_COLUMN_WIDTH (f
));
2761 if (bar_area_x
+ bar_area_width
== x
)
2763 x
= bar_area_x
+ sb_width
;
2764 width
+= bar_area_width
- sb_width
;
2766 else if (x
+ width
== bar_area_x
)
2767 width
+= bar_area_width
- sb_width
;
2771 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2772 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2773 bottom_y
= y
+ height
;
2777 /* Scrolling up. Make sure we don't copy part of the mode
2778 line at the bottom. */
2779 if (from_y
+ run
->height
> bottom_y
)
2780 height
= bottom_y
- from_y
;
2782 height
= run
->height
;
2783 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2787 /* Scrolling down. Make sure we don't copy over the mode line.
2789 if (to_y
+ run
->height
> bottom_y
)
2790 height
= bottom_y
- to_y
;
2792 height
= run
->height
;
2793 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2798 /* Cursor off. Will be switched on again in x_update_window_end. */
2805 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2806 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2808 from
.left
= to
.left
= x
;
2809 from
.right
= to
.right
= x
+ width
;
2811 from
.bottom
= from_y
+ height
;
2813 to
.bottom
= bottom_y
;
2815 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2816 NULL
, SW_INVALIDATE
);
2818 /* Combine this with what we expect to be dirty. This covers the
2819 case where not all of the region we expect is actually dirty. */
2820 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2822 /* If the dirty region is not what we expected, redraw the entire frame. */
2823 if (!EqualRgn (combined
, expect_dirty
))
2824 SET_FRAME_GARBAGED (f
);
2826 DeleteObject (dirty
);
2827 DeleteObject (combined
);
2831 DeleteObject (expect_dirty
);
2836 /***********************************************************************
2838 ***********************************************************************/
2841 frame_highlight (struct frame
*f
)
2843 x_update_cursor (f
, 1);
2844 x_set_frame_alpha (f
);
2848 frame_unhighlight (struct frame
*f
)
2850 x_update_cursor (f
, 1);
2851 x_set_frame_alpha (f
);
2854 /* The focus has changed. Update the frames as necessary to reflect
2855 the new situation. Note that we can't change the selected frame
2856 here, because the Lisp code we are interrupting might become confused.
2857 Each event gets marked with the frame in which it occurred, so the
2858 Lisp code can tell when the switch took place by examining the events. */
2861 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2863 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2865 if (frame
!= dpyinfo
->w32_focus_frame
)
2867 /* Set this before calling other routines, so that they see
2868 the correct value of w32_focus_frame. */
2869 dpyinfo
->w32_focus_frame
= frame
;
2871 if (old_focus
&& old_focus
->auto_lower
)
2872 x_lower_frame (old_focus
);
2874 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2875 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2877 pending_autoraise_frame
= 0;
2880 x_frame_rehighlight (dpyinfo
);
2884 /* Handle FocusIn and FocusOut state changes for FRAME.
2885 If FRAME has focus and there exists more than one frame, puts
2886 a FOCUS_IN_EVENT into *BUFP. */
2889 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2890 struct frame
*frame
, struct input_event
*bufp
)
2892 if (type
== WM_SETFOCUS
)
2894 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2896 x_new_focus_frame (dpyinfo
, frame
);
2897 dpyinfo
->w32_focus_event_frame
= frame
;
2899 /* Don't stop displaying the initial startup message
2900 for a switch-frame event we don't need. */
2901 if (NILP (Vterminal_frame
)
2902 && CONSP (Vframe_list
)
2903 && !NILP (XCDR (Vframe_list
)))
2905 bufp
->kind
= FOCUS_IN_EVENT
;
2906 XSETFRAME (bufp
->frame_or_window
, frame
);
2910 frame
->output_data
.x
->focus_state
|= state
;
2912 /* TODO: IME focus? */
2914 else if (type
== WM_KILLFOCUS
)
2916 frame
->output_data
.x
->focus_state
&= ~state
;
2918 if (dpyinfo
->w32_focus_event_frame
== frame
)
2920 dpyinfo
->w32_focus_event_frame
= 0;
2921 x_new_focus_frame (dpyinfo
, 0);
2924 /* TODO: IME focus? */
2929 /* The focus may have changed. Figure out if it is a real focus change,
2930 by checking both FocusIn/Out and Enter/LeaveNotify events.
2932 Returns FOCUS_IN_EVENT event in *BUFP. */
2935 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2936 struct input_event
*bufp
)
2938 struct frame
*frame
;
2940 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2944 /* On w32, this is only called from focus events, so no switch needed. */
2945 x_focus_changed (event
->msg
.message
,
2946 (event
->msg
.message
== WM_KILLFOCUS
?
2947 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2948 dpyinfo
, frame
, bufp
);
2952 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2955 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2957 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2960 /* The focus has changed, or we have redirected a frame's focus to
2961 another frame (this happens when a frame uses a surrogate
2962 mini-buffer frame). Shift the highlight as appropriate.
2964 The FRAME argument doesn't necessarily have anything to do with which
2965 frame is being highlighted or un-highlighted; we only use it to find
2966 the appropriate X display info. */
2969 w32_frame_rehighlight (struct frame
*frame
)
2971 if (! FRAME_W32_P (frame
))
2973 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2977 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2979 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2981 if (dpyinfo
->w32_focus_frame
)
2983 dpyinfo
->x_highlight_frame
2984 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2985 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2986 : dpyinfo
->w32_focus_frame
);
2987 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2989 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
2990 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2994 dpyinfo
->x_highlight_frame
= 0;
2996 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2999 frame_unhighlight (old_highlight
);
3000 if (dpyinfo
->x_highlight_frame
)
3001 frame_highlight (dpyinfo
->x_highlight_frame
);
3005 /* Keyboard processing - modifier keys, etc. */
3007 /* Convert a keysym to its name. */
3010 x_get_keysym_name (int keysym
)
3012 /* Make static so we can always return it */
3013 static char value
[100];
3016 GetKeyNameText (keysym
, value
, 100);
3023 codepage_for_locale (LCID locale
)
3027 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
3034 /* Mouse clicks and mouse movement. Rah. */
3036 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3037 the state in PUP. XBUTTON provides extra information for extended mouse
3038 button messages. Returns FALSE if unable to parse the message. */
3040 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
3047 case WM_LBUTTONDOWN
:
3055 case WM_MBUTTONDOWN
:
3056 if (NILP (Vw32_swap_mouse_buttons
))
3063 if (NILP (Vw32_swap_mouse_buttons
))
3069 case WM_RBUTTONDOWN
:
3070 if (NILP (Vw32_swap_mouse_buttons
))
3077 if (NILP (Vw32_swap_mouse_buttons
))
3083 case WM_XBUTTONDOWN
:
3084 button
= xbutton
+ 2;
3088 button
= xbutton
+ 2;
3096 if (pbutton
) *pbutton
= button
;
3102 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3104 If the event is a button press, then note that we have grabbed
3108 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3113 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3116 /* Make the event type NO_EVENT; we'll change that when we decide
3118 result
->kind
= MOUSE_CLICK_EVENT
;
3119 result
->code
= button
;
3120 result
->timestamp
= msg
->msg
.time
;
3121 result
->modifiers
= (msg
->dwModifiers
3126 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3127 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3128 XSETFRAME (result
->frame_or_window
, f
);
3134 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3139 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3142 result
->timestamp
= msg
->msg
.time
;
3144 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3145 forward, away from the user (up); a negative value indicates that
3146 the wheel was rotated backward, toward the user (down). */
3147 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3149 /* The up and down modifiers indicate if the wheel was rotated up or
3150 down based on WHEEL_DELTA value. */
3151 result
->modifiers
= (msg
->dwModifiers
3152 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3154 /* With multiple monitors, we can legitimately get negative
3155 coordinates, so cast to short to interpret them correctly. */
3156 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3157 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3158 ScreenToClient (msg
->msg
.hwnd
, &p
);
3159 XSETINT (result
->x
, p
.x
);
3160 XSETINT (result
->y
, p
.y
);
3161 XSETFRAME (result
->frame_or_window
, f
);
3167 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3177 result
->kind
= DRAG_N_DROP_EVENT
;
3179 result
->timestamp
= msg
->msg
.time
;
3180 result
->modifiers
= msg
->dwModifiers
;
3182 hdrop
= (HDROP
) msg
->msg
.wParam
;
3183 DragQueryPoint (hdrop
, &p
);
3186 p
.x
= LOWORD (msg
->msg
.lParam
);
3187 p
.y
= HIWORD (msg
->msg
.lParam
);
3188 ScreenToClient (msg
->msg
.hwnd
, &p
);
3191 XSETINT (result
->x
, p
.x
);
3192 XSETINT (result
->y
, p
.y
);
3194 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3197 for (i
= 0; i
< num_files
; i
++)
3199 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3202 name
= alloca (len
+ 1);
3203 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3204 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3209 XSETFRAME (frame
, f
);
3210 result
->frame_or_window
= frame
;
3211 result
->arg
= files
;
3216 /* Function to report a mouse movement to the mainstream Emacs code.
3217 The input handler calls this.
3219 We have received a mouse movement event, which is given in *event.
3220 If the mouse is over a different glyph than it was last time, tell
3221 the mainstream emacs code by setting mouse_moved. If not, ask for
3222 another motion event, so we can check again the next time it moves. */
3224 static MSG last_mouse_motion_event
;
3225 static Lisp_Object last_mouse_motion_frame
;
3228 note_mouse_movement (FRAME_PTR frame
, MSG
*msg
)
3230 int mouse_x
= LOWORD (msg
->lParam
);
3231 int mouse_y
= HIWORD (msg
->lParam
);
3233 last_mouse_movement_time
= msg
->time
;
3234 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3235 XSETFRAME (last_mouse_motion_frame
, frame
);
3237 if (!FRAME_X_OUTPUT (frame
))
3240 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3242 frame
->mouse_moved
= 1;
3243 last_mouse_scroll_bar
= Qnil
;
3244 note_mouse_highlight (frame
, -1, -1);
3245 last_mouse_glyph_frame
= 0;
3249 /* Has the mouse moved off the glyph it was on at the last sighting? */
3250 if (frame
!= last_mouse_glyph_frame
3251 || mouse_x
< last_mouse_glyph
.left
3252 || mouse_x
>= last_mouse_glyph
.right
3253 || mouse_y
< last_mouse_glyph
.top
3254 || mouse_y
>= last_mouse_glyph
.bottom
)
3256 frame
->mouse_moved
= 1;
3257 last_mouse_scroll_bar
= Qnil
;
3258 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3259 /* Remember the mouse position here, as w32_mouse_position only
3260 gets called when mouse tracking is enabled but we also need
3261 to keep track of the mouse for help_echo and highlighting at
3263 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3264 last_mouse_glyph_frame
= frame
;
3272 /************************************************************************
3274 ************************************************************************/
3276 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3277 static void x_scroll_bar_report_motion (FRAME_PTR
*, Lisp_Object
*,
3278 enum scroll_bar_part
*,
3279 Lisp_Object
*, Lisp_Object
*,
3281 static void x_check_fullscreen (struct frame
*);
3284 redo_mouse_highlight (void)
3286 if (!NILP (last_mouse_motion_frame
)
3287 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3288 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3289 LOWORD (last_mouse_motion_event
.lParam
),
3290 HIWORD (last_mouse_motion_event
.lParam
));
3294 w32_define_cursor (Window window
, Cursor cursor
)
3296 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3298 /* Return the current position of the mouse.
3299 *fp should be a frame which indicates which display to ask about.
3301 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3302 and *part to the frame, window, and scroll bar part that the mouse
3303 is over. Set *x and *y to the portion and whole of the mouse's
3304 position on the scroll bar.
3306 If the mouse movement started elsewhere, set *fp to the frame the
3307 mouse is on, *bar_window to nil, and *x and *y to the character cell
3310 Set *time to the server time-stamp for the time at which the mouse
3311 was at this position.
3313 Don't store anything if we don't have a valid set of values to report.
3315 This clears the mouse_moved flag, so we can wait for the next mouse
3319 w32_mouse_position (FRAME_PTR
*fp
, int insist
, Lisp_Object
*bar_window
,
3320 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3321 unsigned long *time
)
3327 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3328 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3333 Lisp_Object frame
, tail
;
3335 /* Clear the mouse-moved flag for every frame on this display. */
3336 FOR_EACH_FRAME (tail
, frame
)
3337 XFRAME (frame
)->mouse_moved
= 0;
3339 last_mouse_scroll_bar
= Qnil
;
3343 /* Now we have a position on the root; find the innermost window
3344 containing the pointer. */
3346 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3347 && FRAME_LIVE_P (last_mouse_frame
))
3349 /* If mouse was grabbed on a frame, give coords for that frame
3350 even if the mouse is now outside it. */
3351 f1
= last_mouse_frame
;
3355 /* Is window under mouse one of our frames? */
3356 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3357 WindowFromPoint (pt
));
3360 /* If not, is it one of our scroll bars? */
3363 struct scroll_bar
*bar
3364 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3368 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3372 if (f1
== 0 && insist
> 0)
3373 f1
= SELECTED_FRAME ();
3377 /* Ok, we found a frame. Store all the values.
3378 last_mouse_glyph is a rectangle used to reduce the
3379 generation of mouse events. To not miss any motion
3380 events, we must divide the frame into rectangles of the
3381 size of the smallest character that could be displayed
3382 on it, i.e. into the same rectangles that matrices on
3383 the frame are divided into. */
3385 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3386 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3387 last_mouse_glyph_frame
= f1
;
3394 *time
= last_mouse_movement_time
;
3403 /***********************************************************************
3405 ***********************************************************************/
3407 /* Handle mouse button event on the tool-bar of frame F, at
3408 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3409 or ButtonRelease. */
3412 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3414 int x
= XFASTINT (button_event
->x
);
3415 int y
= XFASTINT (button_event
->y
);
3417 if (button_event
->modifiers
& down_modifier
)
3418 handle_tool_bar_click (f
, x
, y
, 1, 0);
3420 handle_tool_bar_click (f
, x
, y
, 0,
3421 button_event
->modifiers
& ~up_modifier
);
3426 /***********************************************************************
3428 ***********************************************************************/
3430 /* Scroll bar support. */
3432 /* Given a window ID, find the struct scroll_bar which manages it.
3433 This can be called in GC, so we have to make sure to strip off mark
3436 static struct scroll_bar
*
3437 x_window_to_scroll_bar (Window window_id
)
3441 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3443 Lisp_Object frame
, bar
, condemned
;
3445 frame
= XCAR (tail
);
3446 /* All elements of Vframe_list should be frames. */
3447 if (! FRAMEP (frame
))
3450 /* Scan this frame's scroll bar list for a scroll bar with the
3452 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3453 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3454 /* This trick allows us to search both the ordinary and
3455 condemned scroll bar lists with one loop. */
3456 ! NILP (bar
) || (bar
= condemned
,
3459 bar
= XSCROLL_BAR (bar
)->next
)
3460 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3461 return XSCROLL_BAR (bar
);
3469 /* Set the thumb size and position of scroll bar BAR. We are currently
3470 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3473 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3474 int portion
, int position
, int whole
)
3476 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3477 /* We use the whole scroll-bar height in the calculations below, to
3478 avoid strange effects like scrolling backwards when just clicking
3479 on the handle (without moving it). */
3480 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3481 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3482 int sb_page
, sb_pos
;
3483 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3486 /* We used to change the nPage setting while dragging the handle,
3487 but that had very strange effects (such as scrolling backwards
3488 while dragging downwards).
3490 Now, we don't change the nPage setting while dragging unless we
3491 get near to the end of the buffer, in which case we often have to
3492 resize the handle to "go all the way". */
3498 si
.cbSize
= sizeof (si
);
3499 si
.fMask
= SIF_POS
| SIF_PAGE
;
3500 GetScrollInfo (w
, SB_CTL
, &si
);
3501 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3509 /* Position scroll bar at rock bottom if the bottom of the
3510 buffer is visible. This avoids shrinking the thumb away
3511 to nothing if it is held at the bottom of the buffer. */
3512 if (position
+ portion
>= whole
&& !draggingp
)
3514 sb_page
= range
* (whole
- position
) / whole
;
3519 sb_pos
= position
* range
/ whole
;
3520 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3529 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3533 si
.cbSize
= sizeof (si
);
3534 si
.fMask
= SIF_PAGE
| SIF_POS
;
3538 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3544 /************************************************************************
3545 Scroll bars, general
3546 ************************************************************************/
3549 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3551 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3552 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3556 /*#define ATTACH_THREADS*/
3559 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3561 #ifndef ATTACH_THREADS
3562 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3563 (WPARAM
) hwnd
, (LPARAM
) how
);
3565 return ShowWindow (hwnd
, how
);
3570 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3571 int x
, int y
, int cx
, int cy
, UINT flags
)
3573 #ifndef ATTACH_THREADS
3575 pos
.hwndInsertAfter
= hwndAfter
;
3581 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3583 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3589 my_set_focus (struct frame
* f
, HWND hwnd
)
3591 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3597 my_set_foreground_window (HWND hwnd
)
3599 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3604 my_destroy_window (struct frame
* f
, HWND hwnd
)
3606 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3611 my_bring_window_to_top (HWND hwnd
)
3613 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3616 /* Create a scroll bar and return the scroll bar vector for it. W is
3617 the Emacs window on which to create the scroll bar. TOP, LEFT,
3618 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3621 static struct scroll_bar
*
3622 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3624 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3627 struct scroll_bar
*bar
3628 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3633 XSETWINDOW (bar
->window
, w
);
3634 XSETINT (bar
->top
, top
);
3635 XSETINT (bar
->left
, left
);
3636 XSETINT (bar
->width
, width
);
3637 XSETINT (bar
->height
, height
);
3638 XSETINT (bar
->start
, 0);
3639 XSETINT (bar
->end
, 0);
3640 bar
->dragging
= Qnil
;
3641 bar
->fringe_extended_p
= Qnil
;
3643 /* Requires geometry to be set before call to create the real window */
3645 hwnd
= my_create_scrollbar (f
, bar
);
3647 si
.cbSize
= sizeof (si
);
3650 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3651 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3655 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3657 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3659 /* Add bar to its frame's list of scroll bars. */
3660 bar
->next
= FRAME_SCROLL_BARS (f
);
3662 XSETVECTOR (barobj
, bar
);
3663 fset_scroll_bars (f
, barobj
);
3664 if (! NILP (bar
->next
))
3665 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3673 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3677 x_scroll_bar_remove (struct scroll_bar
*bar
)
3679 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3683 /* Destroy the window. */
3684 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3686 /* Dissociate this scroll bar from its window. */
3687 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3692 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3693 that we are displaying PORTION characters out of a total of WHOLE
3694 characters, starting at POSITION. If WINDOW has no scroll bar,
3697 w32_set_vertical_scroll_bar (struct window
*w
,
3698 int portion
, int whole
, int position
)
3700 struct frame
*f
= XFRAME (w
->frame
);
3702 struct scroll_bar
*bar
;
3703 int top
, height
, left
, sb_left
, width
, sb_width
;
3704 int window_y
, window_height
;
3705 int fringe_extended_p
;
3707 /* Get window dimensions. */
3708 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3710 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3711 height
= window_height
;
3713 /* Compute the left edge of the scroll bar area. */
3714 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3716 /* Compute the width of the scroll bar which might be less than
3717 the width of the area reserved for the scroll bar. */
3718 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3719 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3723 /* Compute the left edge of the scroll bar. */
3724 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3725 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3727 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3729 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3730 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3731 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3732 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3733 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3735 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3736 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3737 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3738 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3740 /* Does the scroll bar exist yet? */
3741 if (NILP (w
->vertical_scroll_bar
))
3745 if (width
> 0 && height
> 0)
3747 hdc
= get_frame_dc (f
);
3748 if (fringe_extended_p
)
3749 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3751 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3752 release_frame_dc (f
, hdc
);
3756 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3760 /* It may just need to be moved and resized. */
3763 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3764 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3766 /* If already correctly positioned, do nothing. */
3767 if ( XINT (bar
->left
) == sb_left
3768 && XINT (bar
->top
) == top
3769 && XINT (bar
->width
) == sb_width
3770 && XINT (bar
->height
) == height
3771 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3773 /* Redraw after clear_frame. */
3774 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3775 InvalidateRect (hwnd
, NULL
, FALSE
);
3783 if (width
&& height
)
3785 hdc
= get_frame_dc (f
);
3786 /* Since Windows scroll bars are smaller than the space reserved
3787 for them on the frame, we have to clear "under" them. */
3788 if (fringe_extended_p
)
3789 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3791 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3792 release_frame_dc (f
, hdc
);
3794 /* Make sure scroll bar is "visible" before moving, to ensure the
3795 area of the parent window now exposed will be refreshed. */
3796 my_show_window (f
, hwnd
, SW_HIDE
);
3797 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3798 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3799 max (height
, 1), TRUE
);
3801 si
.cbSize
= sizeof (si
);
3802 si
.fMask
= SIF_RANGE
;
3804 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3805 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3807 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3809 my_show_window (f
, hwnd
, SW_NORMAL
);
3810 /* InvalidateRect (w, NULL, FALSE); */
3812 /* Remember new settings. */
3813 XSETINT (bar
->left
, sb_left
);
3814 XSETINT (bar
->top
, top
);
3815 XSETINT (bar
->width
, sb_width
);
3816 XSETINT (bar
->height
, height
);
3821 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3823 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3824 XSETVECTOR (barobj
, bar
);
3825 wset_vertical_scroll_bar (w
, barobj
);
3829 /* The following three hooks are used when we're doing a thorough
3830 redisplay of the frame. We don't explicitly know which scroll bars
3831 are going to be deleted, because keeping track of when windows go
3832 away is a real pain - "Can you say set-window-configuration, boys
3833 and girls?" Instead, we just assert at the beginning of redisplay
3834 that *all* scroll bars are to be removed, and then save a scroll bar
3835 from the fiery pit when we actually redisplay its window. */
3837 /* Arrange for all scroll bars on FRAME to be removed at the next call
3838 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3839 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3842 w32_condemn_scroll_bars (FRAME_PTR frame
)
3844 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3845 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3848 bar
= FRAME_SCROLL_BARS (frame
);
3849 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3850 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3851 XSCROLL_BAR (bar
)->prev
= Qnil
;
3852 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3853 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3854 fset_condemned_scroll_bars (frame
, bar
);
3859 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3860 Note that WINDOW isn't necessarily condemned at all. */
3863 w32_redeem_scroll_bar (struct window
*window
)
3865 struct scroll_bar
*bar
;
3869 /* We can't redeem this window's scroll bar if it doesn't have one. */
3870 if (NILP (window
->vertical_scroll_bar
))
3873 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3875 /* Unlink it from the condemned list. */
3876 f
= XFRAME (WINDOW_FRAME (window
));
3877 if (NILP (bar
->prev
))
3879 /* If the prev pointer is nil, it must be the first in one of
3881 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3882 /* It's not condemned. Everything's fine. */
3884 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3885 window
->vertical_scroll_bar
))
3886 fset_condemned_scroll_bars (f
, bar
->next
);
3888 /* If its prev pointer is nil, it must be at the front of
3889 one or the other! */
3893 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3895 if (! NILP (bar
->next
))
3896 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3898 bar
->next
= FRAME_SCROLL_BARS (f
);
3900 XSETVECTOR (barobj
, bar
);
3901 fset_scroll_bars (f
, barobj
);
3902 if (! NILP (bar
->next
))
3903 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3906 /* Remove all scroll bars on FRAME that haven't been saved since the
3907 last call to `*condemn_scroll_bars_hook'. */
3910 w32_judge_scroll_bars (FRAME_PTR f
)
3912 Lisp_Object bar
, next
;
3914 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3916 /* Clear out the condemned list now so we won't try to process any
3917 more events on the hapless scroll bars. */
3918 fset_condemned_scroll_bars (f
, Qnil
);
3920 for (; ! NILP (bar
); bar
= next
)
3922 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3924 x_scroll_bar_remove (b
);
3927 b
->next
= b
->prev
= Qnil
;
3930 /* Now there should be no references to the condemned scroll bars,
3931 and they should get garbage-collected. */
3934 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3935 is set to something other than NO_EVENT, it is enqueued.
3937 This may be called from a signal handler, so we have to ignore GC
3941 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
3942 struct input_event
*emacs_event
)
3944 if (! WINDOWP (bar
->window
))
3947 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3948 emacs_event
->code
= 0;
3949 /* not really meaningful to distinguish up/down */
3950 emacs_event
->modifiers
= msg
->dwModifiers
;
3951 emacs_event
->frame_or_window
= bar
->window
;
3952 emacs_event
->arg
= Qnil
;
3953 emacs_event
->timestamp
= msg
->msg
.time
;
3956 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3958 int dragging
= !NILP (bar
->dragging
);
3961 si
.cbSize
= sizeof (si
);
3964 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3967 bar
->dragging
= Qnil
;
3970 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3972 switch (LOWORD (msg
->msg
.wParam
))
3975 emacs_event
->part
= scroll_bar_down_arrow
;
3978 emacs_event
->part
= scroll_bar_up_arrow
;
3981 emacs_event
->part
= scroll_bar_above_handle
;
3984 emacs_event
->part
= scroll_bar_below_handle
;
3987 emacs_event
->part
= scroll_bar_handle
;
3991 emacs_event
->part
= scroll_bar_handle
;
3995 case SB_THUMBPOSITION
:
3996 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3997 y
= HIWORD (msg
->msg
.wParam
);
3999 emacs_event
->part
= scroll_bar_handle
;
4001 /* "Silently" update current position. */
4005 si
.cbSize
= sizeof (si
);
4008 /* Remember apparent position (we actually lag behind the real
4009 position, so don't set that directly). */
4010 last_scroll_bar_drag_pos
= y
;
4012 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4016 /* If this is the end of a drag sequence, then reset the scroll
4017 handle size to normal and do a final redraw. Otherwise do
4022 int start
= XINT (bar
->start
);
4023 int end
= XINT (bar
->end
);
4025 si
.cbSize
= sizeof (si
);
4026 si
.fMask
= SIF_PAGE
| SIF_POS
;
4027 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4028 si
.nPos
= last_scroll_bar_drag_pos
;
4029 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4033 emacs_event
->kind
= NO_EVENT
;
4037 XSETINT (emacs_event
->x
, y
);
4038 XSETINT (emacs_event
->y
, top_range
);
4044 /* Return information to the user about the current position of the mouse
4045 on the scroll bar. */
4048 x_scroll_bar_report_motion (FRAME_PTR
*fp
, Lisp_Object
*bar_window
,
4049 enum scroll_bar_part
*part
,
4050 Lisp_Object
*x
, Lisp_Object
*y
,
4051 unsigned long *time
)
4053 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4054 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4055 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4057 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4063 *bar_window
= bar
->window
;
4065 si
.cbSize
= sizeof (si
);
4066 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4068 GetScrollInfo (w
, SB_CTL
, &si
);
4070 top_range
= si
.nMax
- si
.nPage
+ 1;
4072 switch (LOWORD (last_mouse_scroll_bar_pos
))
4074 case SB_THUMBPOSITION
:
4076 *part
= scroll_bar_handle
;
4077 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4078 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4081 *part
= scroll_bar_handle
;
4085 *part
= scroll_bar_handle
;
4090 XSETINT (*y
, top_range
);
4093 last_mouse_scroll_bar
= Qnil
;
4095 *time
= last_mouse_movement_time
;
4101 /* The screen has been cleared so we may have changed foreground or
4102 background colors, and the scroll bars may need to be redrawn.
4103 Clear out the scroll bars, and ask for expose events, so we can
4107 x_scroll_bar_clear (FRAME_PTR f
)
4111 /* We can have scroll bars even if this is 0,
4112 if we just turned off scroll bar mode.
4113 But in that case we should not clear them. */
4114 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4115 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4116 bar
= XSCROLL_BAR (bar
)->next
)
4118 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4119 HDC hdc
= GetDC (window
);
4122 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4123 arranges to refresh the scroll bar if hidden. */
4124 my_show_window (f
, window
, SW_HIDE
);
4126 GetClientRect (window
, &rect
);
4127 select_palette (f
, hdc
);
4128 w32_clear_rect (f
, hdc
, &rect
);
4129 deselect_palette (f
, hdc
);
4131 ReleaseDC (window
, hdc
);
4136 /* The main W32 event-reading loop - w32_read_socket. */
4138 /* Record the last 100 characters stored
4139 to help debug the loss-of-chars-during-GC problem. */
4141 static int temp_index
;
4142 static short temp_buffer
[100];
4144 /* Temporarily store lead byte of DBCS input sequences. */
4145 static char dbcs_lead
= 0;
4147 /* Read events coming from the W32 shell.
4148 This routine is called by the SIGIO handler.
4149 We return as soon as there are no more events to be read.
4151 We return the number of characters stored into the buffer,
4152 thus pretending to be `read'.
4154 EXPECTED is nonzero if the caller knows input is available.
4156 Some of these messages are reposted back to the message queue since the
4157 system calls the windows proc directly in a context where we cannot return
4158 the data nor can we guarantee the state we are in. So if we dispatch them
4159 we will get into an infinite loop. To prevent this from ever happening we
4160 will set a variable to indicate we are in the read_socket call and indicate
4161 which message we are processing since the windows proc gets called
4162 recursively with different messages by the system.
4166 w32_read_socket (struct terminal
*terminal
, int expected
,
4167 struct input_event
*hold_quit
)
4170 int check_visibility
= 0;
4173 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4174 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4177 if (interrupt_input_blocked
)
4179 interrupt_input_pending
= 1;
4183 interrupt_input_pending
= 0;
4186 /* So people can tell when we have read the available input. */
4187 input_signal_count
++;
4189 /* Process any incoming thread messages. */
4190 drain_message_queue ();
4192 /* TODO: ghostscript integration. */
4193 while (get_next_msg (&msg
, FALSE
))
4195 struct input_event inev
;
4198 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4199 /* w32_name_of_message (msg.msg.message), */
4200 /* msg.msg.time)); */
4203 inev
.kind
= NO_EVENT
;
4206 switch (msg
.msg
.message
)
4208 case WM_EMACS_PAINT
:
4209 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4213 if (msg
.rect
.right
== msg
.rect
.left
||
4214 msg
.rect
.bottom
== msg
.rect
.top
)
4216 /* We may get paint messages even though the client
4217 area is clipped - these are not expose events. */
4218 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4221 else if (f
->async_visible
!= 1)
4223 /* Definitely not obscured, so mark as visible. */
4224 f
->async_visible
= 1;
4225 f
->async_iconified
= 0;
4226 SET_FRAME_GARBAGED (f
);
4227 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4230 /* WM_PAINT serves as MapNotify as well, so report
4231 visibility changes properly. */
4234 inev
.kind
= DEICONIFY_EVENT
;
4235 XSETFRAME (inev
.frame_or_window
, f
);
4237 else if (! NILP (Vframe_list
)
4238 && ! NILP (XCDR (Vframe_list
)))
4239 /* Force a redisplay sooner or later to update the
4240 frame titles in case this is the second frame. */
4241 record_asynch_buffer_change ();
4245 HDC hdc
= get_frame_dc (f
);
4247 /* Erase background again for safety. */
4248 w32_clear_rect (f
, hdc
, &msg
.rect
);
4249 release_frame_dc (f
, hdc
);
4253 msg
.rect
.right
- msg
.rect
.left
,
4254 msg
.rect
.bottom
- msg
.rect
.top
);
4259 case WM_INPUTLANGCHANGE
:
4260 /* Generate a language change event. */
4261 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4263 /* lParam contains the input language ID in its low 16 bits.
4264 Use it to update our record of the keyboard codepage. */
4265 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4270 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4271 XSETFRAME (inev
.frame_or_window
, f
);
4272 inev
.code
= w32_keyboard_codepage
;
4273 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4279 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4281 if (f
&& !f
->iconified
)
4283 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4284 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4286 clear_mouse_face (hlinfo
);
4287 hlinfo
->mouse_face_hidden
= 1;
4290 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4292 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4293 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4294 inev
.code
= msg
.msg
.wParam
;
4295 inev
.modifiers
= msg
.dwModifiers
;
4296 XSETFRAME (inev
.frame_or_window
, f
);
4297 inev
.timestamp
= msg
.msg
.time
;
4304 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4306 if (f
&& !f
->iconified
)
4308 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4309 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4311 clear_mouse_face (hlinfo
);
4312 hlinfo
->mouse_face_hidden
= 1;
4315 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4317 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4319 inev
.modifiers
= msg
.dwModifiers
;
4320 XSETFRAME (inev
.frame_or_window
, f
);
4321 inev
.timestamp
= msg
.msg
.time
;
4323 if (msg
.msg
.message
== WM_UNICHAR
)
4325 inev
.code
= msg
.msg
.wParam
;
4327 else if (msg
.msg
.wParam
< 256)
4332 dbcs
[1] = (char) msg
.msg
.wParam
;
4336 dbcs
[0] = dbcs_lead
;
4338 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4342 DebPrint (("Invalid DBCS sequence: %d %d\n",
4344 inev
.kind
= NO_EVENT
;
4348 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4349 (BYTE
) msg
.msg
.wParam
))
4351 dbcs_lead
= (char) msg
.msg
.wParam
;
4352 inev
.kind
= NO_EVENT
;
4357 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4358 &dbcs
[1], 1, &code
, 1))
4360 /* What to do with garbage? */
4361 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4362 inev
.kind
= NO_EVENT
;
4370 /* Windows shouldn't generate WM_CHAR events above 0xFF
4371 in non-Unicode message handlers. */
4372 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4373 inev
.kind
= NO_EVENT
;
4376 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4377 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4382 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4384 if (f
&& !f
->iconified
)
4386 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4387 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4389 clear_mouse_face (hlinfo
);
4390 hlinfo
->mouse_face_hidden
= 1;
4393 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4395 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4396 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4397 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4398 inev
.modifiers
= msg
.dwModifiers
;
4399 XSETFRAME (inev
.frame_or_window
, f
);
4400 inev
.timestamp
= msg
.msg
.time
;
4405 /* Ignore non-movement. */
4407 int x
= LOWORD (msg
.msg
.lParam
);
4408 int y
= HIWORD (msg
.msg
.lParam
);
4409 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4411 last_mousemove_x
= x
;
4412 last_mousemove_y
= y
;
4415 previous_help_echo_string
= help_echo_string
;
4416 help_echo_string
= Qnil
;
4418 if (dpyinfo
->grabbed
&& last_mouse_frame
4419 && FRAME_LIVE_P (last_mouse_frame
))
4420 f
= last_mouse_frame
;
4422 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4424 if (hlinfo
->mouse_face_hidden
)
4426 hlinfo
->mouse_face_hidden
= 0;
4427 clear_mouse_face (hlinfo
);
4432 /* Generate SELECT_WINDOW_EVENTs when needed. */
4433 if (!NILP (Vmouse_autoselect_window
))
4436 int x
= LOWORD (msg
.msg
.lParam
);
4437 int y
= HIWORD (msg
.msg
.lParam
);
4439 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4441 /* Window will be selected only when it is not
4442 selected now and last mouse movement event was
4443 not in it. Minibuffer window will be selected
4444 only when it is active. */
4445 if (WINDOWP (window
)
4446 && !EQ (window
, last_window
)
4447 && !EQ (window
, selected_window
)
4448 /* For click-to-focus window managers
4449 create event iff we don't leave the
4451 && (focus_follows_mouse
4452 || (EQ (XWINDOW (window
)->frame
,
4453 XWINDOW (selected_window
)->frame
))))
4455 inev
.kind
= SELECT_WINDOW_EVENT
;
4456 inev
.frame_or_window
= window
;
4459 last_window
= window
;
4461 if (!note_mouse_movement (f
, &msg
.msg
))
4462 help_echo_string
= previous_help_echo_string
;
4466 /* If we move outside the frame, then we're
4467 certainly no longer on any text in the frame. */
4468 clear_mouse_face (hlinfo
);
4471 /* If the contents of the global variable help_echo_string
4472 has changed, generate a HELP_EVENT. */
4473 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4474 But it was originally changed to this to fix a bug, so I have
4475 not removed it completely in case the bug is still there. */
4476 if (help_echo_string
!= previous_help_echo_string
||
4477 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4478 #else /* This is what xterm.c does. */
4479 if (!NILP (help_echo_string
)
4480 || !NILP (previous_help_echo_string
))
4485 case WM_LBUTTONDOWN
:
4487 case WM_MBUTTONDOWN
:
4489 case WM_RBUTTONDOWN
:
4491 case WM_XBUTTONDOWN
:
4494 /* If we decide we want to generate an event to be seen
4495 by the rest of Emacs, we put it here. */
4500 if (dpyinfo
->grabbed
&& last_mouse_frame
4501 && FRAME_LIVE_P (last_mouse_frame
))
4502 f
= last_mouse_frame
;
4504 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4508 construct_mouse_click (&inev
, &msg
, f
);
4510 /* Is this in the tool-bar? */
4511 if (WINDOWP (f
->tool_bar_window
)
4512 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4515 int x
= XFASTINT (inev
.x
);
4516 int y
= XFASTINT (inev
.y
);
4518 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4520 if (EQ (window
, f
->tool_bar_window
))
4522 w32_handle_tool_bar_click (f
, &inev
);
4528 || (dpyinfo
->w32_focus_frame
4529 && f
!= dpyinfo
->w32_focus_frame
))
4530 inev
.kind
= NO_EVENT
;
4533 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4538 dpyinfo
->grabbed
&= ~ (1 << button
);
4542 dpyinfo
->grabbed
|= (1 << button
);
4543 last_mouse_frame
= f
;
4544 /* Ignore any mouse motion that happened
4545 before this event; any subsequent mouse-movement
4546 Emacs events should reflect only motion after
4552 last_tool_bar_item
= -1;
4558 case WM_MOUSEHWHEEL
:
4560 if (dpyinfo
->grabbed
&& last_mouse_frame
4561 && FRAME_LIVE_P (last_mouse_frame
))
4562 f
= last_mouse_frame
;
4564 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4569 if (!dpyinfo
->w32_focus_frame
4570 || f
== dpyinfo
->w32_focus_frame
)
4572 /* Emit an Emacs wheel-up/down event. */
4573 construct_mouse_wheel (&inev
, &msg
, f
);
4575 /* Ignore any mouse motion that happened before this
4576 event; any subsequent mouse-movement Emacs events
4577 should reflect only motion after the
4581 last_mouse_frame
= f
;
4582 last_tool_bar_item
= -1;
4587 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4590 construct_drag_n_drop (&inev
, &msg
, f
);
4595 struct scroll_bar
*bar
=
4596 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4599 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4603 case WM_WINDOWPOSCHANGED
:
4604 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4607 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4608 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4610 check_visibility
= 1;
4614 case WM_ACTIVATEAPP
:
4615 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4617 x_check_fullscreen (f
);
4618 check_visibility
= 1;
4622 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4624 if (f
&& !f
->async_iconified
)
4628 x_real_positions (f
, &x
, &y
);
4633 check_visibility
= 1;
4637 /* wParam non-zero means Window is about to be shown, 0 means
4638 about to be hidden. */
4639 /* Redo the mouse-highlight after the tooltip has gone. */
4640 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4643 redo_mouse_highlight ();
4646 /* If window has been obscured or exposed by another window
4647 being maximized or minimized/restored, then recheck
4648 visibility of all frames. Direct changes to our own
4649 windows get handled by WM_SIZE. */
4651 if (msg
.msg
.lParam
!= 0)
4652 check_visibility
= 1;
4655 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4656 f
->async_visible
= msg
.msg
.wParam
;
4660 check_visibility
= 1;
4664 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4666 /* Inform lisp of whether frame has been iconified etc. */
4669 switch (msg
.msg
.wParam
)
4671 case SIZE_MINIMIZED
:
4672 f
->async_visible
= 0;
4673 f
->async_iconified
= 1;
4675 inev
.kind
= ICONIFY_EVENT
;
4676 XSETFRAME (inev
.frame_or_window
, f
);
4679 case SIZE_MAXIMIZED
:
4681 f
->async_visible
= 1;
4682 f
->async_iconified
= 0;
4684 /* wait_reading_process_output will notice this and update
4685 the frame's display structures. */
4686 SET_FRAME_GARBAGED (f
);
4692 /* Reset top and left positions of the Window
4693 here since Windows sends a WM_MOVE message
4694 BEFORE telling us the Window is minimized
4695 when the Window is iconified, with 3000,3000
4697 x_real_positions (f
, &x
, &y
);
4701 inev
.kind
= DEICONIFY_EVENT
;
4702 XSETFRAME (inev
.frame_or_window
, f
);
4704 else if (! NILP (Vframe_list
)
4705 && ! NILP (XCDR (Vframe_list
)))
4706 /* Force a redisplay sooner or later
4707 to update the frame titles
4708 in case this is the second frame. */
4709 record_asynch_buffer_change ();
4714 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4722 GetClientRect (msg
.msg
.hwnd
, &rect
);
4724 height
= rect
.bottom
- rect
.top
;
4725 width
= rect
.right
- rect
.left
;
4727 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4728 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4730 /* TODO: Clip size to the screen dimensions. */
4732 /* Even if the number of character rows and columns has
4733 not changed, the font size may have changed, so we need
4734 to check the pixel dimensions as well. */
4736 if (columns
!= FRAME_COLS (f
)
4737 || rows
!= FRAME_LINES (f
)
4738 || width
!= FRAME_PIXEL_WIDTH (f
)
4739 || height
!= FRAME_PIXEL_HEIGHT (f
))
4741 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4742 SET_FRAME_GARBAGED (f
);
4743 cancel_mouse_face (f
);
4744 FRAME_PIXEL_WIDTH (f
) = width
;
4745 FRAME_PIXEL_HEIGHT (f
) = height
;
4746 f
->win_gravity
= NorthWestGravity
;
4750 check_visibility
= 1;
4754 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4757 if (f
== hlinfo
->mouse_face_mouse_frame
)
4759 /* If we move outside the frame, then we're
4760 certainly no longer on any text in the frame. */
4761 clear_mouse_face (hlinfo
);
4762 hlinfo
->mouse_face_mouse_frame
= 0;
4765 /* Generate a nil HELP_EVENT to cancel a help-echo.
4766 Do it only if there's something to cancel.
4767 Otherwise, the startup message is cleared when
4768 the mouse leaves the frame. */
4769 if (any_help_event_p
)
4775 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4777 dpyinfo
->grabbed
= 0;
4778 check_visibility
= 1;
4782 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4786 if (f
== dpyinfo
->w32_focus_event_frame
)
4787 dpyinfo
->w32_focus_event_frame
= 0;
4789 if (f
== dpyinfo
->w32_focus_frame
)
4790 x_new_focus_frame (dpyinfo
, 0);
4792 if (f
== hlinfo
->mouse_face_mouse_frame
)
4794 /* If we move outside the frame, then we're
4795 certainly no longer on any text in the frame. */
4796 clear_mouse_face (hlinfo
);
4797 hlinfo
->mouse_face_mouse_frame
= 0;
4800 /* Generate a nil HELP_EVENT to cancel a help-echo.
4801 Do it only if there's something to cancel.
4802 Otherwise, the startup message is cleared when
4803 the mouse leaves the frame. */
4804 if (any_help_event_p
)
4808 dpyinfo
->grabbed
= 0;
4809 check_visibility
= 1;
4813 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4817 inev
.kind
= DELETE_WINDOW_EVENT
;
4818 XSETFRAME (inev
.frame_or_window
, f
);
4823 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4827 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4828 XSETFRAME (inev
.frame_or_window
, f
);
4833 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4837 extern void menubar_selection_callback
4838 (FRAME_PTR f
, void * client_data
);
4839 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4842 check_visibility
= 1;
4845 case WM_DISPLAYCHANGE
:
4846 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4850 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4851 DebPrint (("display change: %d %d\n",
4852 (short) LOWORD (msg
.msg
.lParam
),
4853 (short) HIWORD (msg
.msg
.lParam
)));
4856 check_visibility
= 1;
4860 /* Check for messages registered at runtime. */
4861 if (msg
.msg
.message
== msh_mousewheel
)
4863 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4864 msg
.msg
.message
= WM_MOUSEWHEEL
;
4870 if (inev
.kind
!= NO_EVENT
)
4872 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4877 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4882 XSETFRAME (frame
, f
);
4888 if (NILP (help_echo_string
))
4890 help_echo_object
= help_echo_window
= Qnil
;
4894 any_help_event_p
= 1;
4895 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4896 help_echo_object
, help_echo_pos
);
4900 help_echo_string
= Qnil
;
4901 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4907 /* If the focus was just given to an autoraising frame,
4909 /* ??? This ought to be able to handle more than one such frame. */
4910 if (pending_autoraise_frame
)
4912 x_raise_frame (pending_autoraise_frame
);
4913 pending_autoraise_frame
= 0;
4916 /* Check which frames are still visible, if we have enqueued any user
4917 events or been notified of events that may affect visibility. We
4918 do this here because there doesn't seem to be any direct
4919 notification from Windows that the visibility of a window has
4920 changed (at least, not in all cases). */
4921 if (count
> 0 || check_visibility
)
4923 Lisp_Object tail
, frame
;
4925 FOR_EACH_FRAME (tail
, frame
)
4927 FRAME_PTR f
= XFRAME (frame
);
4928 /* The tooltip has been drawn already. Avoid the
4929 SET_FRAME_GARBAGED below. */
4930 if (EQ (frame
, tip_frame
))
4933 /* Check "visible" frames and mark each as obscured or not.
4934 Note that async_visible is nonzero for unobscured and
4935 obscured frames, but zero for hidden and iconified frames. */
4936 if (FRAME_W32_P (f
) && f
->async_visible
)
4942 /* Query clipping rectangle for the entire window area
4943 (GetWindowDC), not just the client portion (GetDC).
4944 Otherwise, the scrollbars and menubar aren't counted as
4945 part of the visible area of the frame, and we may think
4946 the frame is obscured when really a scrollbar is still
4947 visible and gets WM_PAINT messages above. */
4948 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4949 GetClipBox (hdc
, &clipbox
);
4950 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4953 if (clipbox
.right
== clipbox
.left
4954 || clipbox
.bottom
== clipbox
.top
)
4956 /* Frame has become completely obscured so mark as
4957 such (we do this by setting async_visible to 2 so
4958 that FRAME_VISIBLE_P is still true, but redisplay
4960 f
->async_visible
= 2;
4962 if (!FRAME_OBSCURED_P (f
))
4964 DebPrint (("frame %p (%s) obscured\n", f
,
4970 /* Frame is not obscured, so mark it as such. */
4971 f
->async_visible
= 1;
4973 if (FRAME_OBSCURED_P (f
))
4975 SET_FRAME_GARBAGED (f
);
4976 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4979 /* Force a redisplay sooner or later. */
4980 record_asynch_buffer_change ();
4993 /***********************************************************************
4995 ***********************************************************************/
4997 /* Set clipping for output in glyph row ROW. W is the window in which
4998 we operate. GC is the graphics context to set clipping in.
5000 ROW may be a text row or, e.g., a mode line. Text rows must be
5001 clipped to the interior of the window dedicated to text display,
5002 mode lines must be clipped to the whole window. */
5005 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
, int area
, HDC hdc
)
5008 int window_x
, window_y
, window_width
;
5010 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5012 clip_rect
.left
= window_x
;
5013 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5014 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5015 clip_rect
.right
= clip_rect
.left
+ window_width
;
5016 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5018 w32_set_clip_rectangle (hdc
, &clip_rect
);
5022 /* Draw a hollow box cursor on window W in glyph row ROW. */
5025 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5027 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5031 struct glyph
*cursor_glyph
;
5032 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5034 /* Get the glyph the cursor is on. If we can't tell because
5035 the current matrix is invalid or such, give up. */
5036 cursor_glyph
= get_phys_cursor_glyph (w
);
5037 if (cursor_glyph
== NULL
)
5040 /* Compute frame-relative coordinates for phys cursor. */
5041 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5044 rect
.bottom
= rect
.top
+ h
;
5045 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5047 hdc
= get_frame_dc (f
);
5048 /* Set clipping, draw the rectangle, and reset clipping again. */
5049 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5050 FrameRect (hdc
, &rect
, hb
);
5052 w32_set_clip_rectangle (hdc
, NULL
);
5053 release_frame_dc (f
, hdc
);
5057 /* Draw a bar cursor on window W in glyph row ROW.
5059 Implementation note: One would like to draw a bar cursor with an
5060 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5061 Unfortunately, I didn't find a font yet that has this property set.
5065 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5066 int width
, enum text_cursor_kinds kind
)
5068 struct frame
*f
= XFRAME (w
->frame
);
5069 struct glyph
*cursor_glyph
;
5071 /* If cursor is out of bounds, don't draw garbage. This can happen
5072 in mini-buffer windows when switching between echo area glyphs
5074 cursor_glyph
= get_phys_cursor_glyph (w
);
5075 if (cursor_glyph
== NULL
)
5078 /* If on an image, draw like a normal cursor. That's usually better
5079 visible than drawing a bar, esp. if the image is large so that
5080 the bar might not be in the window. */
5081 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5083 struct glyph_row
*row
;
5084 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5085 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5089 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5090 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5094 /* If the glyph's background equals the color we normally draw
5095 the bar cursor in, the bar cursor in its normal color is
5096 invisible. Use the glyph's foreground color instead in this
5097 case, on the assumption that the glyph's colors are chosen so
5098 that the glyph is legible. */
5099 if (face
->background
== cursor_color
)
5100 cursor_color
= face
->foreground
;
5102 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5104 hdc
= get_frame_dc (f
);
5105 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5107 if (kind
== BAR_CURSOR
)
5110 width
= FRAME_CURSOR_WIDTH (f
);
5111 width
= min (cursor_glyph
->pixel_width
, width
);
5113 w
->phys_cursor_width
= width
;
5115 /* If the character under cursor is R2L, draw the bar cursor
5116 on the right of its glyph, rather than on the left. */
5117 if ((cursor_glyph
->resolved_level
& 1) != 0)
5118 x
+= cursor_glyph
->pixel_width
- width
;
5120 w32_fill_area (f
, hdc
, cursor_color
, x
,
5121 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5122 width
, row
->height
);
5126 int dummy_x
, dummy_y
, dummy_h
;
5129 width
= row
->height
;
5131 width
= min (row
->height
, width
);
5133 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5134 &dummy_y
, &dummy_h
);
5135 w32_fill_area (f
, hdc
, cursor_color
, x
,
5136 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5137 row
->height
- width
),
5138 w
->phys_cursor_width
, width
);
5141 w32_set_clip_rectangle (hdc
, NULL
);
5142 release_frame_dc (f
, hdc
);
5147 /* RIF: Define cursor CURSOR on frame F. */
5150 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5152 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5156 /* RIF: Clear area on frame F. */
5159 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5163 hdc
= get_frame_dc (f
);
5164 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5165 release_frame_dc (f
, hdc
);
5168 /* RIF: Draw or clear cursor on window W. */
5171 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5172 int x
, int y
, int cursor_type
, int cursor_width
,
5173 int on_p
, int active_p
)
5177 /* If the user wants to use the system caret, make sure our own
5178 cursor remains invisible. */
5179 if (w32_use_visible_system_caret
)
5181 /* Call to erase_phys_cursor here seems to use the
5182 wrong values of w->phys_cursor, as they have been
5183 overwritten before this function was called. */
5184 if (w
->phys_cursor_type
!= NO_CURSOR
)
5185 erase_phys_cursor (w
);
5187 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5188 w
->phys_cursor_width
= -1;
5192 w
->phys_cursor_type
= cursor_type
;
5195 w
->phys_cursor_on_p
= 1;
5197 /* If this is the active cursor, we need to track it with the
5198 system caret, so third party software like screen magnifiers
5199 and speech synthesizers can follow the cursor. */
5202 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5203 HWND hwnd
= FRAME_W32_WINDOW (f
);
5206 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5208 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5209 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5211 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5213 /* If the size of the active cursor changed, destroy the old
5215 if (w32_system_caret_hwnd
5216 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5217 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5219 w32_system_caret_height
= w
->phys_cursor_height
;
5221 /* Move the system caret. */
5222 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5225 if (glyph_row
->exact_window_width_line_p
5226 && (glyph_row
->reversed_p
5227 ? (w
->phys_cursor
.hpos
< 0)
5228 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5230 glyph_row
->cursor_in_fringe_p
= 1;
5231 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5235 switch (cursor_type
)
5237 case HOLLOW_BOX_CURSOR
:
5238 x_draw_hollow_cursor (w
, glyph_row
);
5241 case FILLED_BOX_CURSOR
:
5242 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5246 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5250 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5254 w
->phys_cursor_width
= 0;
5268 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5271 HANDLE small_icon
= NULL
;
5273 if (FRAME_W32_WINDOW (f
) == 0)
5277 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5278 else if (STRINGP (icon
))
5280 /* Load the main icon from the named file. */
5281 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5282 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5283 /* Try to load a small icon to go with it. */
5284 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5285 GetSystemMetrics (SM_CXSMICON
),
5286 GetSystemMetrics (SM_CYSMICON
),
5289 else if (SYMBOLP (icon
))
5293 if (EQ (icon
, intern ("application")))
5294 name
= (LPCTSTR
) IDI_APPLICATION
;
5295 else if (EQ (icon
, intern ("hand")))
5296 name
= (LPCTSTR
) IDI_HAND
;
5297 else if (EQ (icon
, intern ("question")))
5298 name
= (LPCTSTR
) IDI_QUESTION
;
5299 else if (EQ (icon
, intern ("exclamation")))
5300 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5301 else if (EQ (icon
, intern ("asterisk")))
5302 name
= (LPCTSTR
) IDI_ASTERISK
;
5303 else if (EQ (icon
, intern ("winlogo")))
5304 name
= (LPCTSTR
) IDI_WINLOGO
;
5308 main_icon
= LoadIcon (NULL
, name
);
5313 if (main_icon
== NULL
)
5316 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5317 (LPARAM
) main_icon
);
5319 /* If there is a small icon that goes with it, set that too. */
5321 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5322 (LPARAM
) small_icon
);
5328 /************************************************************************
5330 ************************************************************************/
5332 /* Display Error Handling functions not used on W32. Listing them here
5333 helps diff stay in step when comparing w32term.c with xterm.c.
5335 x_error_catcher (display, error)
5336 x_catch_errors (dpy)
5337 x_catch_errors_unwind (old_val)
5338 x_check_errors (dpy, format)
5339 x_fully_uncatch_errors ()
5340 x_had_errors_p (dpy)
5341 x_clear_errors (dpy)
5342 x_uncatch_errors (dpy, count)
5344 x_connection_signal (signalnum)
5345 x_connection_closed (dpy, error_message)
5346 x_error_quitter (display, error)
5347 x_error_handler (display, error)
5348 x_io_error_quitter (display)
5353 /* Changing the font of the frame. */
5356 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5358 struct font
*font
= XFONT_OBJECT (font_object
);
5361 fontset
= fontset_from_font (font_object
);
5362 FRAME_FONTSET (f
) = fontset
;
5363 if (FRAME_FONT (f
) == font
)
5364 /* This font is already set in frame F. There's nothing more to
5368 FRAME_FONT (f
) = font
;
5369 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5370 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5371 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5372 FRAME_LINE_HEIGHT (f
) = font
->height
;
5374 compute_fringe_widths (f
, 1);
5376 /* Compute the scroll bar width in character columns. */
5377 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5379 int wid
= FRAME_COLUMN_WIDTH (f
);
5380 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5381 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5385 int wid
= FRAME_COLUMN_WIDTH (f
);
5386 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5389 /* Now make the frame display the given font. */
5390 if (FRAME_X_WINDOW (f
) != 0)
5392 /* Don't change the size of a tip frame; there's no point in
5393 doing it because it's done in Fx_show_tip, and it leads to
5394 problems because the tip frame has no widget. */
5395 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5396 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5399 /* X version sets font of input methods here also. */
5405 /***********************************************************************
5406 TODO: W32 Input Methods
5407 ***********************************************************************/
5408 /* Listing missing functions from xterm.c helps diff stay in step.
5410 xim_destroy_callback (xim, client_data, call_data)
5411 xim_open_dpy (dpyinfo, resource_name)
5413 xim_instantiate_callback (display, client_data, call_data)
5414 xim_initialize (dpyinfo, resource_name)
5415 xim_close_dpy (dpyinfo)
5420 /* Calculate the absolute position in frame F
5421 from its current recorded position values and gravity. */
5424 x_calc_absolute_position (struct frame
*f
)
5426 int flags
= f
->size_hint_flags
;
5428 /* The sum of the widths of the frame's left and right borders, and
5429 the sum of the heights of the frame's top and bottom borders (in
5430 pixels) drawn by Windows. */
5431 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5433 /* Try to get the actual values of these two variables. We compute
5434 the border width (height) by subtracting the width (height) of
5435 the frame's client area from the width (height) of the frame's
5437 WINDOWPLACEMENT wp
= { 0 };
5438 RECT client_rect
= { 0 };
5440 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5441 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5443 left_right_borders_width
=
5444 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5445 (client_rect
.right
- client_rect
.left
);
5447 top_bottom_borders_height
=
5448 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5449 (client_rect
.bottom
- client_rect
.top
);
5453 /* Use sensible default values. */
5454 left_right_borders_width
= 8;
5455 top_bottom_borders_height
= 32;
5458 /* Treat negative positions as relative to the rightmost bottommost
5459 position that fits on the screen. */
5460 if (flags
& XNegative
)
5461 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5462 - FRAME_PIXEL_WIDTH (f
)
5464 - (left_right_borders_width
- 1));
5466 if (flags
& YNegative
)
5467 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5468 - FRAME_PIXEL_HEIGHT (f
)
5470 - (top_bottom_borders_height
- 1));
5472 /* The left_pos and top_pos are now relative to the top and left
5473 screen edges, so the flags should correspond. */
5474 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5477 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5478 to really change the position, and 0 when calling from
5479 x_make_frame_visible (in that case, XOFF and YOFF are the current
5480 position values). It is -1 when calling from x_set_frame_parameters,
5481 which means, do adjust for borders but don't change the gravity. */
5484 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5487 int modified_top
, modified_left
;
5489 if (change_gravity
> 0)
5493 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5495 f
->size_hint_flags
|= XNegative
;
5497 f
->size_hint_flags
|= YNegative
;
5498 f
->win_gravity
= NorthWestGravity
;
5500 x_calc_absolute_position (f
);
5503 x_wm_set_size_hint (f
, (long) 0, 0);
5505 modified_left
= f
->left_pos
;
5506 modified_top
= f
->top_pos
;
5508 my_set_window_pos (FRAME_W32_WINDOW (f
),
5510 modified_left
, modified_top
,
5512 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5517 /* Check if we need to resize the frame due to a fullscreen request.
5518 If so needed, resize the frame. */
5520 x_check_fullscreen (struct frame
*f
)
5522 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5524 int width
, height
, ign
;
5526 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5528 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5530 /* We do not need to move the window, it shall be taken care of
5531 when setting WM manager hints. */
5532 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5534 change_frame_size (f
, height
, width
, 0, 1, 0);
5535 SET_FRAME_GARBAGED (f
);
5536 cancel_mouse_face (f
);
5538 /* Wait for the change of frame size to occur. */
5539 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5544 /* Call this to change the size of frame F's x-window.
5545 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5546 for this size change and subsequent size changes.
5547 Otherwise we leave the window gravity unchanged. */
5550 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5552 int pixelwidth
, pixelheight
;
5556 check_frame_size (f
, &rows
, &cols
);
5557 f
->scroll_bar_actual_width
5558 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5560 compute_fringe_widths (f
, 0);
5562 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5563 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5565 f
->win_gravity
= NorthWestGravity
;
5566 x_wm_set_size_hint (f
, (long) 0, 0);
5571 rect
.left
= rect
.top
= 0;
5572 rect
.right
= pixelwidth
;
5573 rect
.bottom
= pixelheight
;
5575 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5576 FRAME_EXTERNAL_MENU_BAR (f
));
5578 my_set_window_pos (FRAME_W32_WINDOW (f
),
5581 rect
.right
- rect
.left
,
5582 rect
.bottom
- rect
.top
,
5583 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5587 /* The following mirrors what is done in xterm.c. It appears to be
5588 for informing lisp of the new size immediately, while the actual
5589 resize will happen asynchronously. But on Windows, the menu bar
5590 automatically wraps when the frame is too narrow to contain it,
5591 and that causes any calculations made here to come out wrong. The
5592 end is some nasty buggy behavior, including the potential loss
5595 Disabling this code is either not sufficient to fix the problems
5596 completely, or it causes fresh problems, but at least it removes
5597 the most problematic symptom of the minibuffer becoming unusable.
5599 -----------------------------------------------------------------
5601 Now, strictly speaking, we can't be sure that this is accurate,
5602 but the window manager will get around to dealing with the size
5603 change request eventually, and we'll hear how it went when the
5604 ConfigureNotify event gets here.
5606 We could just not bother storing any of this information here,
5607 and let the ConfigureNotify event set everything up, but that
5608 might be kind of confusing to the Lisp code, since size changes
5609 wouldn't be reported in the frame parameters until some random
5610 point in the future when the ConfigureNotify event arrives.
5612 We pass 1 for DELAY since we can't run Lisp code inside of
5614 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5615 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5616 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5618 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5619 receive in the ConfigureNotify event; if we get what we asked
5620 for, then the event won't cause the screen to become garbaged, so
5621 we have to make sure to do it here. */
5622 SET_FRAME_GARBAGED (f
);
5624 /* If cursor was outside the new size, mark it as off. */
5625 mark_window_cursors_off (XWINDOW (f
->root_window
));
5627 /* Clear out any recollection of where the mouse highlighting was,
5628 since it might be in a place that's outside the new frame size.
5629 Actually checking whether it is outside is a pain in the neck,
5630 so don't try--just let the highlighting be done afresh with new size. */
5631 cancel_mouse_face (f
);
5637 /* Mouse warping. */
5639 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5642 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5646 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5647 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5649 if (pix_x
< 0) pix_x
= 0;
5650 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5652 if (pix_y
< 0) pix_y
= 0;
5653 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5655 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5659 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5666 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5667 pt
.x
= rect
.left
+ pix_x
;
5668 pt
.y
= rect
.top
+ pix_y
;
5669 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5671 SetCursorPos (pt
.x
, pt
.y
);
5677 /* focus shifting, raising and lowering. */
5680 x_focus_on_frame (struct frame
*f
)
5682 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5684 /* Give input focus to frame. */
5687 /* Try not to change its Z-order if possible. */
5688 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5689 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5692 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5697 x_unfocus_frame (struct frame
*f
)
5701 /* Raise frame F. */
5703 x_raise_frame (struct frame
*f
)
5707 /* Strictly speaking, raise-frame should only change the frame's Z
5708 order, leaving input focus unchanged. This is reasonable behavior
5709 on X where the usual policy is point-to-focus. However, this
5710 behavior would be very odd on Windows where the usual policy is
5713 On X, if the mouse happens to be over the raised frame, it gets
5714 input focus anyway (so the window with focus will never be
5715 completely obscured) - if not, then just moving the mouse over it
5716 is sufficient to give it focus. On Windows, the user must actually
5717 click on the frame (preferably the title bar so as not to move
5718 point), which is more awkward. Also, no other Windows program
5719 raises a window to the top but leaves another window (possibly now
5720 completely obscured) with input focus.
5722 Because there is a system setting on Windows that allows the user
5723 to choose the point to focus policy, we make the strict semantics
5724 optional, but by default we grab focus when raising. */
5726 if (NILP (Vw32_grab_focus_on_raise
))
5728 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5729 not already the foreground application: the frame is raised
5730 above all other frames belonging to us, but not above the
5731 current top window. To achieve that, we have to resort to this
5732 more cumbersome method. */
5734 HDWP handle
= BeginDeferWindowPos (2);
5737 handle
= DeferWindowPos (handle
,
5738 FRAME_W32_WINDOW (f
),
5741 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5744 handle
= DeferWindowPos (handle
,
5745 GetForegroundWindow (),
5746 FRAME_W32_WINDOW (f
),
5748 SWP_NOSIZE
| SWP_NOMOVE
|
5751 EndDeferWindowPos (handle
);
5757 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5763 /* Lower frame F. */
5765 x_lower_frame (struct frame
*f
)
5768 my_set_window_pos (FRAME_W32_WINDOW (f
),
5771 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5776 w32_frame_raise_lower (FRAME_PTR f
, int raise_flag
)
5778 if (! FRAME_W32_P (f
))
5787 /* Change of visibility. */
5789 /* This tries to wait until the frame is really visible.
5790 However, if the window manager asks the user where to position
5791 the frame, this will return before the user finishes doing that.
5792 The frame will not actually be visible at that time,
5793 but it will become visible later when the window manager
5794 finishes with it. */
5797 x_make_frame_visible (struct frame
*f
)
5803 type
= x_icon_type (f
);
5805 x_bitmap_icon (f
, type
);
5807 if (! FRAME_VISIBLE_P (f
))
5809 /* We test FRAME_GARBAGED_P here to make sure we don't
5810 call x_set_offset a second time
5811 if we get to x_make_frame_visible a second time
5812 before the window gets really visible. */
5813 if (! FRAME_ICONIFIED_P (f
)
5814 && ! f
->output_data
.w32
->asked_for_visible
)
5819 /* Adjust vertical window position in order to avoid being
5820 covered by a task bar placed at the bottom of the desktop. */
5821 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5822 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5823 if (window_rect
.bottom
> workarea_rect
.bottom
5824 && window_rect
.top
> workarea_rect
.top
)
5825 f
->top_pos
= max (window_rect
.top
5826 - window_rect
.bottom
+ workarea_rect
.bottom
,
5829 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5832 f
->output_data
.w32
->asked_for_visible
= 1;
5834 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5835 causes unexpected behavior when unminimizing frames that were
5836 previously maximized. But only SW_SHOWNORMAL works properly for
5837 frames that were truely hidden (using make-frame-invisible), so
5838 we need it to avoid Bug#5482. It seems that async_iconified
5839 is only set for minimized windows that are still visible, so
5840 use that to determine the appropriate flag to pass ShowWindow. */
5841 my_show_window (f
, FRAME_W32_WINDOW (f
),
5842 f
->async_iconified
? SW_RESTORE
: SW_SHOWNORMAL
);
5845 /* Synchronize to ensure Emacs knows the frame is visible
5846 before we do anything else. We do this loop with input not blocked
5847 so that incoming events are handled. */
5852 /* This must come after we set COUNT. */
5855 XSETFRAME (frame
, f
);
5857 /* Wait until the frame is visible. Process X events until a
5858 MapNotify event has been seen, or until we think we won't get a
5859 MapNotify at all.. */
5860 for (count
= input_signal_count
+ 10;
5861 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5863 /* Force processing of queued events. */
5864 /* TODO: x_sync equivalent? */
5866 /* Machines that do polling rather than SIGIO have been observed
5867 to go into a busy-wait here. So we'll fake an alarm signal
5868 to let the handler know that there's something to be read.
5869 We used to raise a real alarm, but it seems that the handler
5870 isn't always enabled here. This is probably a bug. */
5871 if (input_polling_used ())
5873 /* It could be confusing if a real alarm arrives while processing
5874 the fake one. Turn it off and let the handler reset it. */
5875 int old_poll_suppress_count
= poll_suppress_count
;
5876 poll_suppress_count
= 1;
5877 poll_for_input_1 ();
5878 poll_suppress_count
= old_poll_suppress_count
;
5881 FRAME_SAMPLE_VISIBILITY (f
);
5885 /* Change from mapped state to withdrawn state. */
5887 /* Make the frame visible (mapped and not iconified). */
5890 x_make_frame_invisible (struct frame
*f
)
5892 /* Don't keep the highlight on an invisible frame. */
5893 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5894 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5898 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5900 /* We can't distinguish this from iconification
5901 just by the event that we get from the server.
5902 So we can't win using the usual strategy of letting
5903 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5904 and synchronize with the server to make sure we agree. */
5906 FRAME_ICONIFIED_P (f
) = 0;
5907 f
->async_visible
= 0;
5908 f
->async_iconified
= 0;
5913 /* Change window state from mapped to iconified. */
5916 x_iconify_frame (struct frame
*f
)
5920 /* Don't keep the highlight on an invisible frame. */
5921 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5922 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5924 if (f
->async_iconified
)
5929 type
= x_icon_type (f
);
5931 x_bitmap_icon (f
, type
);
5933 /* Simulate the user minimizing the frame. */
5934 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5940 /* Free X resources of frame F. */
5943 x_free_frame_resources (struct frame
*f
)
5945 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5946 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
5950 /* We must free faces before destroying windows because some
5951 font-driver (e.g. xft) access a window while finishing a
5953 if (FRAME_FACE_CACHE (f
))
5954 free_frame_faces (f
);
5956 if (FRAME_W32_WINDOW (f
))
5957 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5959 free_frame_menubar (f
);
5961 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5962 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5963 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5964 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5965 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5966 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5967 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5968 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5969 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5970 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5972 if (FRAME_FACE_CACHE (f
))
5973 free_frame_faces (f
);
5975 xfree (f
->output_data
.w32
);
5976 f
->output_data
.w32
= NULL
;
5978 if (f
== dpyinfo
->w32_focus_frame
)
5979 dpyinfo
->w32_focus_frame
= 0;
5980 if (f
== dpyinfo
->w32_focus_event_frame
)
5981 dpyinfo
->w32_focus_event_frame
= 0;
5982 if (f
== dpyinfo
->x_highlight_frame
)
5983 dpyinfo
->x_highlight_frame
= 0;
5985 if (f
== hlinfo
->mouse_face_mouse_frame
)
5987 hlinfo
->mouse_face_beg_row
5988 = hlinfo
->mouse_face_beg_col
= -1;
5989 hlinfo
->mouse_face_end_row
5990 = hlinfo
->mouse_face_end_col
= -1;
5991 hlinfo
->mouse_face_window
= Qnil
;
5992 hlinfo
->mouse_face_deferred_gc
= 0;
5993 hlinfo
->mouse_face_mouse_frame
= 0;
6000 /* Destroy the window of frame F. */
6002 x_destroy_window (struct frame
*f
)
6004 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6006 x_free_frame_resources (f
);
6007 dpyinfo
->reference_count
--;
6011 /* Setting window manager hints. */
6013 /* Set the normal size hints for the window manager, for frame F.
6014 FLAGS is the flags word to use--or 0 meaning preserve the flags
6015 that the window now has.
6016 If USER_POSITION is nonzero, we set the USPosition
6017 flag (this is useful when FLAGS is 0). */
6019 x_wm_set_size_hint (struct frame
*f
, long flags
, int user_position
)
6021 Window window
= FRAME_W32_WINDOW (f
);
6025 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6026 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6027 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6028 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6033 /* Window manager things */
6035 x_wm_set_icon_position (struct frame
*f
, int icon_x
, int icon_y
)
6038 Window window
= FRAME_W32_WINDOW (f
);
6040 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6041 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6042 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6044 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6049 /***********************************************************************
6051 ***********************************************************************/
6055 /* Check that FONT is valid on frame F. It is if it can be found in F's
6059 x_check_font (struct frame
*f
, struct font
*font
)
6061 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6062 if (font
->driver
->check
)
6063 eassert (font
->driver
->check (f
, font
) == 0);
6066 #endif /* GLYPH_DEBUG */
6070 /***********************************************************************
6072 ***********************************************************************/
6074 static int w32_initialized
= 0;
6077 w32_initialize_display_info (Lisp_Object display_name
)
6079 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6080 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
6082 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6084 /* Put it on w32_display_name_list. */
6085 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6086 w32_display_name_list
);
6087 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6089 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6090 + SCHARS (Vsystem_name
) + 2);
6091 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6092 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6094 /* Default Console mode values - overridden when running in GUI mode
6095 with values obtained from system metrics. */
6098 dpyinfo
->n_planes
= 1;
6099 dpyinfo
->n_cbits
= 4;
6100 dpyinfo
->n_fonts
= 0;
6101 dpyinfo
->smallest_font_height
= 1;
6102 dpyinfo
->smallest_char_width
= 1;
6104 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
6105 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
6106 hlinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6107 hlinfo
->mouse_face_window
= Qnil
;
6108 hlinfo
->mouse_face_overlay
= Qnil
;
6109 hlinfo
->mouse_face_hidden
= 0;
6111 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6112 /* TODO: dpyinfo->gray */
6116 /* Create an xrdb-style database of resources to supersede registry settings.
6117 The database is just a concatenation of C strings, finished by an additional
6118 \0. The strings are submitted to some basic normalization, so
6120 [ *]option[ *]:[ *]value...
6126 but any whitespace following value is not removed. */
6129 w32_make_rdb (char *xrm_option
)
6131 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6132 char *current
= buffer
;
6135 int before_value
= 0;
6149 if (in_option
&& (ch
== ':'))
6154 else if (before_value
)
6159 else if (!(in_option
|| before_value
))
6171 x_flush (struct frame
* f
)
6172 { /* Nothing to do */ }
6175 extern frame_parm_handler w32_frame_parm_handlers
[];
6177 static struct redisplay_interface w32_redisplay_interface
=
6179 w32_frame_parm_handlers
,
6183 x_clear_end_of_line
,
6185 x_after_update_window_line
,
6186 x_update_window_begin
,
6187 x_update_window_end
,
6190 0, /* flush_display_optional */
6191 x_clear_window_mouse_face
,
6192 x_get_glyph_overhangs
,
6193 x_fix_overlapping_area
,
6194 w32_draw_fringe_bitmap
,
6195 w32_define_fringe_bitmap
,
6196 w32_destroy_fringe_bitmap
,
6197 w32_compute_glyph_string_overhangs
,
6198 x_draw_glyph_string
,
6199 w32_define_frame_cursor
,
6200 w32_clear_frame_area
,
6201 w32_draw_window_cursor
,
6202 w32_draw_vertical_window_border
,
6203 w32_shift_glyphs_for_insert
6206 static void x_delete_terminal (struct terminal
*term
);
6208 static struct terminal
*
6209 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6211 struct terminal
*terminal
;
6213 terminal
= create_terminal ();
6215 terminal
->type
= output_w32
;
6216 terminal
->display_info
.w32
= dpyinfo
;
6217 dpyinfo
->terminal
= terminal
;
6219 /* MSVC does not type K&R functions with no arguments correctly, and
6220 so we must explicitly cast them. */
6221 terminal
->clear_frame_hook
= x_clear_frame
;
6222 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6223 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6224 terminal
->ring_bell_hook
= w32_ring_bell
;
6225 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6226 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6227 terminal
->update_begin_hook
= x_update_begin
;
6228 terminal
->update_end_hook
= x_update_end
;
6229 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6230 terminal
->read_socket_hook
= w32_read_socket
;
6231 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6232 terminal
->mouse_position_hook
= w32_mouse_position
;
6233 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6234 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6235 /* terminal->fullscreen_hook = XTfullscreen_hook; */
6236 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6237 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6238 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6239 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6241 terminal
->delete_frame_hook
= x_destroy_window
;
6242 terminal
->delete_terminal_hook
= x_delete_terminal
;
6244 terminal
->rif
= &w32_redisplay_interface
;
6245 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6246 terminal
->char_ins_del_ok
= 1;
6247 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6248 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6249 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6252 /* We don't yet support separate terminals on W32, so don't try to share
6253 keyboards between virtual terminals that are on the same physical
6254 terminal like X does. */
6255 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6256 init_kboard (terminal
->kboard
);
6257 kset_window_system (terminal
->kboard
, intern ("w32"));
6258 terminal
->kboard
->next_kboard
= all_kboards
;
6259 all_kboards
= terminal
->kboard
;
6260 /* Don't let the initial kboard remain current longer than necessary.
6261 That would cause problems if a file loaded on startup tries to
6262 prompt in the mini-buffer. */
6263 if (current_kboard
== initial_kboard
)
6264 current_kboard
= terminal
->kboard
;
6265 terminal
->kboard
->reference_count
++;
6271 x_delete_terminal (struct terminal
*terminal
)
6273 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6275 /* Protect against recursive calls. delete_frame in
6276 delete_terminal calls us back when it deletes our last frame. */
6277 if (!terminal
->name
)
6282 x_delete_display (dpyinfo
);
6286 struct w32_display_info
*
6287 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6289 struct w32_display_info
*dpyinfo
;
6290 struct terminal
*terminal
;
6295 if (!w32_initialized
)
6298 w32_initialized
= 1;
6301 w32_initialize_display_info (display_name
);
6303 dpyinfo
= &one_w32_display_info
;
6304 terminal
= w32_create_terminal (dpyinfo
);
6306 /* Set the name of the terminal. */
6307 terminal
->name
= xmalloc (SBYTES (display_name
) + 1);
6308 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6309 terminal
->name
[SBYTES (display_name
)] = 0;
6311 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6313 /* Put this display on the chain. */
6314 dpyinfo
->next
= x_display_list
;
6315 x_display_list
= dpyinfo
;
6319 dpyinfo
->root_window
= GetDesktopWindow ();
6320 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6321 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6322 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6323 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6324 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6325 ReleaseDC (NULL
, hdc
);
6327 /* initialize palette with white and black */
6330 w32_defined_color (0, "white", &color
, 1);
6331 w32_defined_color (0, "black", &color
, 1);
6335 /* Add the default keyboard. When !WINDOWSNT, we're using the
6336 standard Emacs console handling machinery and don't need an
6337 explicit FD here. */
6338 add_keyboard_wait_descriptor (0);
6340 /* /dev/windows wakes us up when we have a thread message pending. */
6341 add_keyboard_wait_descriptor (w32_message_fd
);
6344 /* Create Fringe Bitmaps and store them for later use.
6346 On W32, bitmaps are all unsigned short, as Windows requires
6347 bitmap data to be Word aligned. For some reason they are
6348 horizontally reflected compared to how they appear on X, so we
6349 need to bitswap and convert to unsigned shorts before creating
6351 w32_init_fringe (terminal
->rif
);
6358 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6360 x_delete_display (struct w32_display_info
*dpyinfo
)
6362 /* Discard this display from w32_display_name_list and w32_display_list.
6363 We can't use Fdelq because that can quit. */
6364 if (! NILP (w32_display_name_list
)
6365 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6366 w32_display_name_list
= XCDR (w32_display_name_list
);
6371 tail
= w32_display_name_list
;
6372 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6374 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6376 XSETCDR (tail
, XCDR (XCDR (tail
)));
6383 /* free palette table */
6385 struct w32_palette_entry
* plist
;
6387 plist
= dpyinfo
->color_list
;
6390 struct w32_palette_entry
* pentry
= plist
;
6391 plist
= plist
->next
;
6394 dpyinfo
->color_list
= NULL
;
6395 if (dpyinfo
->palette
)
6396 DeleteObject (dpyinfo
->palette
);
6398 xfree (dpyinfo
->w32_id_name
);
6400 w32_reset_fringes ();
6404 /* Set up use of W32. */
6406 DWORD WINAPI
w32_msg_worker (void * arg
);
6409 w32_initialize (void)
6412 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6416 w32_system_caret_hwnd
= NULL
;
6417 w32_system_caret_height
= 0;
6418 w32_system_caret_x
= 0;
6419 w32_system_caret_y
= 0;
6421 /* On Windows 7 and later, we need to set the user model ID
6422 to associate emacsclient launched files with Emacs frames
6424 shell
= GetModuleHandle ("shell32.dll");
6428 = (void *) GetProcAddress (shell
,
6429 "SetCurrentProcessExplicitAppUserModelID");
6431 /* If the function is defined, then we are running on Windows 7
6432 or newer, and the UI uses this to group related windows
6433 together. Since emacs, runemacs, emacsclient are related, we
6434 want them grouped even though the executables are different,
6435 so we need to set a consistent ID between them. */
6437 set_user_model (L
"GNU.Emacs");
6441 if ((w32_message_fd
= open ("/dev/windows", O_RDWR
| O_CLOEXEC
)) == -1)
6442 fatal ("opening /dev/windows: %s", strerror (errno
));
6445 /* Initialize w32_use_visible_system_caret based on whether a screen
6446 reader is in use. */
6447 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6448 &w32_use_visible_system_caret
, 0))
6449 w32_use_visible_system_caret
= 0;
6451 last_tool_bar_item
= -1;
6452 any_help_event_p
= 0;
6454 /* Initialize input mode: interrupt_input off, no flow control, allow
6455 8 bit character input, standard quit char. */
6456 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6459 DWORD input_locale_id
= (DWORD
) GetKeyboardLayout (0);
6460 w32_keyboard_codepage
=
6461 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6464 /* Create the window thread - it will terminate itself when the app
6468 dwMainThreadId
= GetCurrentThreadId ();
6469 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6470 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6472 /* Wait for thread to start */
6476 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6478 hWindowsThread
= CreateThread (NULL
, 0,
6480 0, 0, &dwWindowsThreadId
);
6482 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6485 /* It is desirable that mainThread should have the same notion of
6486 focus window and active window as windowsThread. Unfortunately, the
6487 following call to AttachThreadInput, which should do precisely what
6488 we need, causes major problems when Emacs is linked as a console
6489 program. Unfortunately, we have good reasons for doing that, so
6490 instead we need to send messages to windowsThread to make some API
6491 calls for us (ones that affect, or depend on, the active/focus
6493 #ifdef ATTACH_THREADS
6494 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6497 /* Dynamically link to optional system components. */
6499 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6501 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6503 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6507 /* Ensure scrollbar handle is at least 5 pixels. */
6508 vertical_scroll_bar_min_handle
= 5;
6510 /* For either kind of scroll bar, take account of the arrows; these
6511 effectively form the border of the main scroll bar range. */
6512 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6513 = GetSystemMetrics (SM_CYVSCROLL
);
6518 syms_of_w32term (void)
6520 staticpro (&w32_display_name_list
);
6521 w32_display_name_list
= Qnil
;
6523 staticpro (&last_mouse_scroll_bar
);
6524 last_mouse_scroll_bar
= Qnil
;
6526 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6528 DEFVAR_INT ("w32-num-mouse-buttons",
6529 w32_num_mouse_buttons
,
6530 doc
: /* Number of physical mouse buttons. */);
6531 w32_num_mouse_buttons
= 2;
6533 DEFVAR_LISP ("w32-swap-mouse-buttons",
6534 Vw32_swap_mouse_buttons
,
6535 doc
: /* Swap the mapping of middle and right mouse buttons.
6536 When nil, middle button is mouse-2 and right button is mouse-3. */);
6537 Vw32_swap_mouse_buttons
= Qnil
;
6539 DEFVAR_LISP ("w32-grab-focus-on-raise",
6540 Vw32_grab_focus_on_raise
,
6541 doc
: /* Raised frame grabs input focus.
6542 When t, `raise-frame' grabs input focus as well. This fits well
6543 with the normal Windows click-to-focus policy, but might not be
6544 desirable when using a point-to-focus policy. */);
6545 Vw32_grab_focus_on_raise
= Qt
;
6547 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6548 Vw32_capslock_is_shiftlock
,
6549 doc
: /* Apply CapsLock state to non character input keys.
6550 When nil, CapsLock only affects normal character input keys. */);
6551 Vw32_capslock_is_shiftlock
= Qnil
;
6553 DEFVAR_LISP ("w32-recognize-altgr",
6554 Vw32_recognize_altgr
,
6555 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6556 When nil, the right-alt and left-ctrl key combination is
6557 interpreted normally. */);
6558 Vw32_recognize_altgr
= Qt
;
6560 DEFVAR_BOOL ("w32-use-visible-system-caret",
6561 w32_use_visible_system_caret
,
6562 doc
: /* Flag to make the system caret visible.
6563 When this is non-nil, Emacs will indicate the position of point by
6564 using the system caret instead of drawing its own cursor. Some screen
6565 reader software does not track the system cursor properly when it is
6566 invisible, and gets confused by Emacs drawing its own cursor, so this
6567 variable is initialized to t when Emacs detects that screen reader
6568 software is running as it starts up.
6570 When this variable is set, other variables affecting the appearance of
6571 the cursor have no effect. */);
6573 w32_use_visible_system_caret
= 0;
6575 /* We don't yet support this, but defining this here avoids whining
6576 from cus-start.el and other places, like "M-x set-variable". */
6577 DEFVAR_BOOL ("x-use-underline-position-properties",
6578 x_use_underline_position_properties
,
6579 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6580 A value of nil means ignore them. If you encounter fonts with bogus
6581 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6582 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6583 to override the font's UNDERLINE_POSITION for small font display
6585 x_use_underline_position_properties
= 0;
6587 DEFVAR_BOOL ("x-underline-at-descent-line",
6588 x_underline_at_descent_line
,
6589 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6590 A value of nil means to draw the underline according to the value of the
6591 variable `x-use-underline-position-properties', which is usually at the
6592 baseline level. The default value is nil. */);
6593 x_underline_at_descent_line
= 0;
6595 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6596 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6597 A value of nil means Emacs doesn't use toolkit scroll bars.
6598 With the X Window system, the value is a symbol describing the
6599 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6600 With MS Windows or Nextstep, the value is t. */);
6601 Vx_toolkit_scroll_bars
= Qt
;
6603 staticpro (&last_mouse_motion_frame
);
6604 last_mouse_motion_frame
= Qnil
;
6606 Fprovide (intern_c_string ("w32"), Qnil
);