1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 2006, 2007, 2008 Free Software Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 GNU Emacs is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
26 #include "blockinput.h"
38 #include "character.h"
42 #include "dispextern.h"
44 #include "termhooks.h"
51 #include "intervals.h"
64 static int max_fringe_bmp
= 0;
65 static HBITMAP
*fringe_bmp
= 0;
67 /* Non-nil means Emacs uses toolkit scroll bars. */
69 Lisp_Object Vx_toolkit_scroll_bars
;
71 /* Temporary variables for w32_read_socket. */
73 static int last_mousemove_x
= 0;
74 static int last_mousemove_y
= 0;
76 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
77 #ifndef GET_WHEEL_DELTA_WPARAM
78 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
81 /* Non-zero means that a HELP_EVENT has been generated since Emacs
84 static int any_help_event_p
;
86 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
87 static Lisp_Object last_window
;
89 /* Non-zero means make use of UNDERLINE_POSITION font properties.
90 (Not yet supported, see TODO in x_draw_glyph_string.) */
91 int x_use_underline_position_properties
;
93 /* Non-zero means to draw the underline at the same place as the descent line. */
95 int x_underline_at_descent_line
;
97 extern unsigned int msh_mousewheel
;
99 extern void free_frame_menubar ();
101 extern int w32_codepage_for_font (char *fontname
);
102 extern Cursor
w32_load_cursor (LPCTSTR name
);
104 extern Lisp_Object Vwindow_system
;
106 #define x_any_window_to_frame x_window_to_frame
107 #define x_top_window_to_frame x_window_to_frame
110 /* This is display since w32 does not support multiple ones. */
111 struct w32_display_info one_w32_display_info
;
112 struct w32_display_info
*x_display_list
;
114 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
115 one for each element of w32_display_list and in the same order.
116 NAME is the name of the frame.
117 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
118 Lisp_Object w32_display_name_list
;
122 /* Pre Windows 2000, this was not available, but define it here so
123 that Emacs compiled on such a platform will run on newer versions. */
125 typedef struct tagWCRANGE
131 typedef struct tagGLYPHSET
135 DWORD cGlyphsSupported
;
142 /* Dynamic linking to GetFontUnicodeRanges (not available on 95, 98, ME). */
143 DWORD (PASCAL
*pfnGetFontUnicodeRanges
) (HDC device
, GLYPHSET
*ranges
);
145 /* Frame being updated by update_frame. This is declared in term.c.
146 This is set by update_begin and looked at by all the
147 w32 functions. It is zero while not inside an update.
148 In that case, the w32 functions assume that `SELECTED_FRAME ()'
149 is the frame to apply to. */
150 extern struct frame
*updating_frame
;
152 /* This is a frame waiting to be autoraised, within w32_read_socket. */
153 struct frame
*pending_autoraise_frame
;
155 /* The handle of the frame that currently owns the system caret. */
156 HWND w32_system_caret_hwnd
;
157 int w32_system_caret_height
;
158 int w32_system_caret_x
;
159 int w32_system_caret_y
;
160 int w32_use_visible_system_caret
;
162 /* Flag to enable Unicode output in case users wish to use programs
163 like Twinbridge on '95 rather than installed system level support
164 for Far East languages. */
165 int w32_enable_unicode_output
;
167 /* Flag to enable Cleartype hack for font metrics. */
168 static int cleartype_active
;
170 DWORD dwWindowsThreadId
= 0;
171 HANDLE hWindowsThread
= NULL
;
172 DWORD dwMainThreadId
= 0;
173 HANDLE hMainThread
= NULL
;
175 int vertical_scroll_bar_min_handle
;
176 int vertical_scroll_bar_top_border
;
177 int vertical_scroll_bar_bottom_border
;
179 int last_scroll_bar_drag_pos
;
181 /* Mouse movement. */
183 /* Where the mouse was last time we reported a mouse event. */
185 static RECT last_mouse_glyph
;
186 static FRAME_PTR last_mouse_glyph_frame
;
187 static Lisp_Object last_mouse_press_frame
;
189 int w32_num_mouse_buttons
;
191 Lisp_Object Vw32_swap_mouse_buttons
;
193 /* Control whether x_raise_frame also sets input focus. */
194 Lisp_Object Vw32_grab_focus_on_raise
;
196 /* Control whether Caps Lock affects non-ascii characters. */
197 Lisp_Object Vw32_capslock_is_shiftlock
;
199 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
200 Lisp_Object Vw32_recognize_altgr
;
202 /* The scroll bar in which the last motion event occurred.
204 If the last motion event occurred in a scroll bar, we set this
205 so w32_mouse_position can know whether to report a scroll bar motion or
208 If the last motion event didn't occur in a scroll bar, we set this
209 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
210 static Lisp_Object last_mouse_scroll_bar
;
211 static int last_mouse_scroll_bar_pos
;
213 /* This is a hack. We would really prefer that w32_mouse_position would
214 return the time associated with the position it returns, but there
215 doesn't seem to be any way to wrest the time-stamp from the server
216 along with the position query. So, we just keep track of the time
217 of the last movement we received, and return that in hopes that
218 it's somewhat accurate. */
220 static Time last_mouse_movement_time
;
222 /* Incremented by w32_read_socket whenever it really tries to read
226 static int volatile input_signal_count
;
228 static int input_signal_count
;
231 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
237 /* A mask of extra modifier bits to put into every keyboard char. */
239 extern EMACS_INT extra_keyboard_modifiers
;
241 static void x_update_window_end
P_ ((struct window
*, int, int));
242 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
243 struct input_event
*));
244 static void w32_define_cursor
P_ ((Window
, Cursor
));
246 void x_lower_frame
P_ ((struct frame
*));
247 void x_scroll_bar_clear
P_ ((struct frame
*));
248 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
249 void x_raise_frame
P_ ((struct frame
*));
250 void x_set_window_size
P_ ((struct frame
*, int, int, int));
251 void x_wm_set_window_state
P_ ((struct frame
*, int));
252 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
253 static void w32_initialize
P_ ((void));
254 static void x_update_end
P_ ((struct frame
*));
255 static void w32_frame_up_to_date
P_ ((struct frame
*));
256 static void w32_set_terminal_modes
P_ ((struct terminal
*));
257 static void w32_reset_terminal_modes
P_ ((struct terminal
*));
258 static void x_clear_frame
P_ ((struct frame
*));
259 static void frame_highlight
P_ ((struct frame
*));
260 static void frame_unhighlight
P_ ((struct frame
*));
261 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
263 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
264 struct frame
*, struct input_event
*));
265 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
266 W32Msg
*, struct input_event
*));
267 static void w32_frame_rehighlight
P_ ((struct frame
*));
268 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
269 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
270 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
271 enum text_cursor_kinds
));
272 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
273 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
274 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
275 static void my_set_focus
P_ ((struct frame
*, HWND
));
276 static void my_set_foreground_window
P_ ((HWND
));
277 static void my_destroy_window
P_ ((struct frame
*, HWND
));
279 static Lisp_Object Qvendor_specific_keysyms
;
282 /***********************************************************************
284 ***********************************************************************/
288 /* This is a function useful for recording debugging information about
289 the sequence of occurrences in this file. */
297 struct record event_record
[100];
299 int event_record_index
;
301 record_event (locus
, type
)
305 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
306 event_record_index
= 0;
308 event_record
[event_record_index
].locus
= locus
;
309 event_record
[event_record_index
].type
= type
;
310 event_record_index
++;
317 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
320 if (mask
& GCForeground
)
321 gc
->foreground
= xgcv
->foreground
;
322 if (mask
& GCBackground
)
323 gc
->background
= xgcv
->background
;
325 gc
->font
= xgcv
->font
;
328 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
331 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
332 bzero (gc
, sizeof (XGCValues
));
334 XChangeGC (ignore
, gc
, mask
, xgcv
);
340 XGetGCValues (void* ignore
, XGCValues
*gc
,
341 unsigned long mask
, XGCValues
*xgcv
)
343 XChangeGC (ignore
, xgcv
, mask
, gc
);
347 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
351 HRGN clip_region
= CreateRectRgnIndirect (rect
);
352 SelectClipRgn (hdc
, clip_region
);
353 DeleteObject (clip_region
);
356 SelectClipRgn (hdc
, NULL
);
360 /* Draw a hollow rectangle at the specified position. */
362 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
363 int width
, int height
)
368 hb
= CreateSolidBrush (gc
->background
);
369 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
370 oldhb
= SelectObject (hdc
, hb
);
371 oldhp
= SelectObject (hdc
, hp
);
373 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
375 SelectObject (hdc
, oldhb
);
376 SelectObject (hdc
, oldhp
);
381 /* Draw a filled rectangle at the specified position. */
383 w32_fill_rect (f
, hdc
, pix
, lprect
)
391 hb
= CreateSolidBrush (pix
);
392 FillRect (hdc
, lprect
, hb
);
401 HDC hdc
= get_frame_dc (f
);
403 /* Under certain conditions, this can be called at startup with
404 a console frame pointer before the GUI frame is created. An HDC
405 of 0 indicates this. */
408 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
409 w32_clear_rect (f
, hdc
, &rect
);
412 release_frame_dc (f
, hdc
);
416 /***********************************************************************
417 Starting and ending an update
418 ***********************************************************************/
420 /* Start an update of frame F. This function is installed as a hook
421 for update_begin, i.e. it is called when update_begin is called.
422 This function is called prior to calls to x_update_window_begin for
423 each window being updated. */
429 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
431 if (! FRAME_W32_P (f
))
434 /* Regenerate display palette before drawing if list of requested
435 colors has changed. */
436 if (display_info
->regen_palette
)
438 w32_regenerate_palette (f
);
439 display_info
->regen_palette
= FALSE
;
444 /* Start update of window W. Set the global variable updated_window
445 to the window being updated and set output_cursor to the cursor
449 x_update_window_begin (w
)
452 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
453 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
455 /* Hide the system caret during an update. */
456 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
458 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
462 set_output_cursor (&w
->cursor
);
466 if (f
== display_info
->mouse_face_mouse_frame
)
468 /* Don't do highlighting for mouse motion during the update. */
469 display_info
->mouse_face_defer
= 1;
471 /* If F needs to be redrawn, simply forget about any prior mouse
473 if (FRAME_GARBAGED_P (f
))
474 display_info
->mouse_face_window
= Qnil
;
476 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
477 their mouse_face_p flag set, which means that they are always
478 unequal to rows in a desired matrix which never have that
479 flag set. So, rows containing mouse-face glyphs are never
480 scrolled, and we don't have to switch the mouse highlight off
481 here to prevent it from being scrolled. */
483 /* Can we tell that this update does not affect the window
484 where the mouse highlight is? If so, no need to turn off.
485 Likewise, don't do anything if the frame is garbaged;
486 in that case, the frame's current matrix that we would use
487 is all wrong, and we will redisplay that line anyway. */
488 if (!NILP (display_info
->mouse_face_window
)
489 && w
== XWINDOW (display_info
->mouse_face_window
))
493 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
494 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
497 if (i
< w
->desired_matrix
->nrows
)
498 clear_mouse_face (display_info
);
506 /* Draw a vertical window border from (x,y0) to (x,y1) */
509 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
513 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
523 hdc
= get_frame_dc (f
);
524 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
526 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
528 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
530 release_frame_dc (f
, hdc
);
534 /* End update of window W (which is equal to updated_window).
536 Draw vertical borders between horizontally adjacent windows, and
537 display W's cursor if CURSOR_ON_P is non-zero.
539 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
540 glyphs in mouse-face were overwritten. In that case we have to
541 make sure that the mouse-highlight is properly redrawn.
543 W may be a menu bar pseudo-window in case we don't have X toolkit
544 support. Such windows don't have a cursor, so don't display it
548 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
550 int cursor_on_p
, mouse_face_overwritten_p
;
552 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
554 if (!w
->pseudo_window_p
)
559 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
561 output_cursor
.x
, output_cursor
.y
);
563 if (draw_window_fringes (w
, 1))
564 x_draw_vertical_border (w
);
569 /* If a row with mouse-face was overwritten, arrange for
570 XTframe_up_to_date to redisplay the mouse highlight. */
571 if (mouse_face_overwritten_p
)
573 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
574 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
575 dpyinfo
->mouse_face_window
= Qnil
;
578 /* Unhide the caret. This won't actually show the cursor, unless it
579 was visible before the corresponding call to HideCaret in
580 x_update_window_begin. */
581 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
583 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
586 updated_window
= NULL
;
590 /* End update of frame F. This function is installed as a hook in
597 if (! FRAME_W32_P (f
))
600 /* Mouse highlight may be displayed again. */
601 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
605 /* This function is called from various places in xdisp.c whenever a
606 complete update has been performed. The global variable
607 updated_window is not available here. */
610 w32_frame_up_to_date (f
)
615 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
617 if (dpyinfo
->mouse_face_deferred_gc
618 || f
== dpyinfo
->mouse_face_mouse_frame
)
621 if (dpyinfo
->mouse_face_mouse_frame
)
622 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
623 dpyinfo
->mouse_face_mouse_x
,
624 dpyinfo
->mouse_face_mouse_y
);
625 dpyinfo
->mouse_face_deferred_gc
= 0;
632 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
633 arrow bitmaps, or clear the fringes if no bitmaps are required
634 before DESIRED_ROW is made current. The window being updated is
635 found in updated_window. This function is called from
636 update_window_line only if it is known that there are differences
637 between bitmaps to be drawn between current row and DESIRED_ROW. */
640 x_after_update_window_line (desired_row
)
641 struct glyph_row
*desired_row
;
643 struct window
*w
= updated_window
;
649 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
650 desired_row
->redraw_fringe_bitmaps_p
= 1;
652 /* When a window has disappeared, make sure that no rest of
653 full-width rows stays visible in the internal border. Could
654 check here if updated_window is the leftmost/rightmost window,
655 but I guess it's not worth doing since vertically split windows
656 are almost never used, internal border is rarely set, and the
657 overhead is very small. */
658 if (windows_or_buffers_changed
659 && desired_row
->full_width_p
660 && (f
= XFRAME (w
->frame
),
661 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
663 && (height
= desired_row
->visible_height
,
666 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
668 /* Internal border is drawn below the tool bar. */
669 if (WINDOWP (f
->tool_bar_window
)
670 && w
== XWINDOW (f
->tool_bar_window
))
675 HDC hdc
= get_frame_dc (f
);
676 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
677 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
679 release_frame_dc (f
, hdc
);
686 /* Draw the bitmap WHICH in one of the left or right fringes of
687 window W. ROW is the glyph row for which to display the bitmap; it
688 determines the vertical position at which the bitmap has to be
692 w32_draw_fringe_bitmap (w
, row
, p
)
694 struct glyph_row
*row
;
695 struct draw_fringe_bitmap_params
*p
;
697 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
699 struct face
*face
= p
->face
;
702 hdc
= get_frame_dc (f
);
706 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
708 /* If the fringe is adjacent to the left (right) scroll bar of a
709 leftmost (rightmost, respectively) window, then extend its
710 background to the gap between the fringe and the bar. */
711 if ((WINDOW_LEFTMOST_P (w
)
712 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
713 || (WINDOW_RIGHTMOST_P (w
)
714 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
716 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
720 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
721 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
722 * FRAME_COLUMN_WIDTH (f
));
726 /* Bitmap fills the fringe. */
727 if (left
+ width
== p
->x
)
728 bx
= left
+ sb_width
;
729 else if (p
->x
+ p
->wd
== left
)
733 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
735 nx
= width
- sb_width
;
736 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
738 ny
= row
->visible_height
;
743 if (left
+ width
== bx
)
745 bx
= left
+ sb_width
;
746 nx
+= width
- sb_width
;
748 else if (bx
+ nx
== left
)
749 nx
+= width
- sb_width
;
754 if (bx
>= 0 && nx
> 0)
755 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
758 /* Must clip because of partially visible lines. */
759 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
762 /* Adjust position of "bottom aligned" bitmap on partially
765 int oldVH
= row
->visible_height
;
766 row
->visible_height
= p
->h
;
767 row
->y
-= rowY
- p
->y
;
768 w32_clip_to_row (w
, row
, -1, hdc
);
770 row
->visible_height
= oldVH
;
773 w32_clip_to_row (w
, row
, -1, hdc
);
775 if (p
->which
&& p
->which
< max_fringe_bmp
)
777 HBITMAP pixmap
= fringe_bmp
[p
->which
];
781 compat_hdc
= CreateCompatibleDC (hdc
);
785 horig_obj
= SelectObject (compat_hdc
, pixmap
);
787 /* Paint overlays transparently. */
790 HBRUSH h_brush
, h_orig_brush
;
792 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
793 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
794 h_brush
= CreateSolidBrush (face
->foreground
);
795 h_orig_brush
= SelectObject (hdc
, h_brush
);
797 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
798 compat_hdc
, 0, p
->dh
,
800 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
801 compat_hdc
, 0, p
->dh
,
803 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
804 compat_hdc
, 0, p
->dh
,
807 SelectObject (hdc
, h_orig_brush
);
808 DeleteObject (h_brush
);
812 SetTextColor (hdc
, face
->background
);
813 SetBkColor (hdc
, (p
->cursor_p
814 ? f
->output_data
.w32
->cursor_pixel
815 : face
->foreground
));
817 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
818 compat_hdc
, 0, p
->dh
,
822 SelectObject (compat_hdc
, horig_obj
);
823 DeleteDC (compat_hdc
);
827 w32_set_clip_rectangle (hdc
, NULL
);
829 release_frame_dc (f
, hdc
);
833 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
835 unsigned short *bits
;
838 if (which
>= max_fringe_bmp
)
840 int i
= max_fringe_bmp
;
841 max_fringe_bmp
= which
+ 20;
842 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
843 while (i
< max_fringe_bmp
)
847 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
851 w32_destroy_fringe_bitmap (which
)
854 if (which
>= max_fringe_bmp
)
857 if (fringe_bmp
[which
])
858 DeleteObject (fringe_bmp
[which
]);
859 fringe_bmp
[which
] = 0;
864 /* This is called when starting Emacs and when restarting after
865 suspend. When starting Emacs, no window is mapped. And nothing
866 must be done to Emacs's own window if it is suspended (though that
870 w32_set_terminal_modes (struct terminal
*term
)
874 /* This is called when exiting or suspending Emacs. Exiting will make
875 the W32 windows go away, and suspending requires no action. */
878 w32_reset_terminal_modes (struct terminal
*term
)
884 /***********************************************************************
886 ***********************************************************************/
888 /* Function prototypes of this page. */
890 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
891 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
892 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
894 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
895 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
896 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
897 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
898 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
899 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
900 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
901 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
902 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
903 double, int, COLORREF
));
904 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
905 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
906 static void x_draw_image_relief
P_ ((struct glyph_string
*));
907 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
908 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
909 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
911 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
912 int, int, int, int, int, int,
914 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
915 int, int, int, RECT
*));
918 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
923 struct glyph_string
*s
;
925 if (s
->font
== FRAME_FONT (s
->f
)
926 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
927 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
929 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
932 /* Cursor on non-default face: must merge. */
936 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
937 xgcv
.foreground
= s
->face
->background
;
939 /* If the glyph would be invisible, try a different foreground. */
940 if (xgcv
.foreground
== xgcv
.background
)
941 xgcv
.foreground
= s
->face
->foreground
;
942 if (xgcv
.foreground
== xgcv
.background
)
943 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
944 if (xgcv
.foreground
== xgcv
.background
)
945 xgcv
.foreground
= s
->face
->foreground
;
947 /* Make sure the cursor is distinct from text in this face. */
948 if (xgcv
.background
== s
->face
->background
949 && xgcv
.foreground
== s
->face
->foreground
)
951 xgcv
.background
= s
->face
->foreground
;
952 xgcv
.foreground
= s
->face
->background
;
955 IF_DEBUG (x_check_font (s
->f
, s
->font
));
957 mask
= GCForeground
| GCBackground
| GCFont
;
959 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
960 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
963 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
964 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
966 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
971 /* Set up S->gc of glyph string S for drawing text in mouse face. */
974 x_set_mouse_face_gc (s
)
975 struct glyph_string
*s
;
980 /* What face has to be used last for the mouse face? */
981 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
982 face
= FACE_FROM_ID (s
->f
, face_id
);
984 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
986 if (s
->first_glyph
->type
== CHAR_GLYPH
)
987 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
989 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
990 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
991 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
993 /* If font in this face is same as S->font, use it. */
994 if (s
->font
== s
->face
->font
)
998 /* Otherwise construct scratch_cursor_gc with values from FACE
1003 xgcv
.background
= s
->face
->background
;
1004 xgcv
.foreground
= s
->face
->foreground
;
1005 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1006 xgcv
.font
= s
->font
;
1007 mask
= GCForeground
| GCBackground
| GCFont
;
1009 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1010 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1013 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1014 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1016 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1019 xassert (s
->gc
!= 0);
1023 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1024 Faces to use in the mode line have already been computed when the
1025 matrix was built, so there isn't much to do, here. */
1028 x_set_mode_line_face_gc (s
)
1029 struct glyph_string
*s
;
1031 s
->gc
= s
->face
->gc
;
1035 /* Set S->gc of glyph string S for drawing that glyph string. Set
1036 S->stippled_p to a non-zero value if the face of S has a stipple
1040 x_set_glyph_string_gc (s
)
1041 struct glyph_string
*s
;
1043 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1045 if (s
->hl
== DRAW_NORMAL_TEXT
)
1047 s
->gc
= s
->face
->gc
;
1048 s
->stippled_p
= s
->face
->stipple
!= 0;
1050 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1052 x_set_mode_line_face_gc (s
);
1053 s
->stippled_p
= s
->face
->stipple
!= 0;
1055 else if (s
->hl
== DRAW_CURSOR
)
1057 x_set_cursor_gc (s
);
1060 else if (s
->hl
== DRAW_MOUSE_FACE
)
1062 x_set_mouse_face_gc (s
);
1063 s
->stippled_p
= s
->face
->stipple
!= 0;
1065 else if (s
->hl
== DRAW_IMAGE_RAISED
1066 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1068 s
->gc
= s
->face
->gc
;
1069 s
->stippled_p
= s
->face
->stipple
!= 0;
1073 s
->gc
= s
->face
->gc
;
1074 s
->stippled_p
= s
->face
->stipple
!= 0;
1077 /* GC must have been set. */
1078 xassert (s
->gc
!= 0);
1082 /* Set clipping for output of glyph string S. S may be part of a mode
1083 line or menu if we don't have X toolkit support. */
1086 x_set_glyph_string_clipping (s
)
1087 struct glyph_string
*s
;
1090 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1093 w32_set_clip_rectangle (s
->hdc
, r
);
1096 HRGN full_clip
, clip1
, clip2
;
1097 clip1
= CreateRectRgnIndirect (r
);
1098 clip2
= CreateRectRgnIndirect (r
+ 1);
1099 if (CombineRgn (full_clip
, clip1
, clip2
, RGN_OR
) != ERROR
)
1101 SelectClipRgn (s
->hdc
, full_clip
);
1103 DeleteObject (clip1
);
1104 DeleteObject (clip2
);
1105 DeleteObject (full_clip
);
1110 /* Set SRC's clipping for output of glyph string DST. This is called
1111 when we are drawing DST's left_overhang or right_overhang only in
1115 x_set_glyph_string_clipping_exactly (src
, dst
)
1116 struct glyph_string
*src
, *dst
;
1121 r
.right
= r
.left
+ src
->width
;
1123 r
.bottom
= r
.top
+ src
->height
;
1126 w32_set_clip_rectangle (dst
->hdc
, &r
);
1130 Compute left and right overhang of glyph string S. */
1133 w32_compute_glyph_string_overhangs (s
)
1134 struct glyph_string
*s
;
1137 && s
->first_glyph
->type
== CHAR_GLYPH
1138 && !s
->font_not_found_p
)
1140 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1141 struct font
*font
= s
->font
;
1142 struct font_metrics metrics
;
1145 for (i
= 0; i
< s
->nchars
; i
++)
1146 code
[i
] = s
->char2b
[i
];
1147 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1148 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1149 ? metrics
.rbearing
- metrics
.width
: 0);
1150 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1154 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1155 s
->left_overhang
= -s
->cmp
->lbearing
;
1159 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1162 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1163 struct glyph_string
*s
;
1171 /* Take clipping into account. */
1172 if (s
->gc
->clip_mask
== Rect
)
1174 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1175 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1176 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1177 - s
->gc
->clip_rectangle
.left
);
1178 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1179 - s
->gc
->clip_rectangle
.top
);
1182 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1187 /* Draw the background of glyph_string S. If S->background_filled_p
1188 is non-zero don't draw it. FORCE_P non-zero means draw the
1189 background even if it wouldn't be drawn normally. This is used
1190 when a string preceding S draws into the background of S, or S
1191 contains the first component of a composition. */
1194 x_draw_glyph_string_background (s
, force_p
)
1195 struct glyph_string
*s
;
1198 /* Nothing to do if background has already been drawn or if it
1199 shouldn't be drawn in the first place. */
1200 if (!s
->background_filled_p
)
1202 int box_line_width
= max (s
->face
->box_line_width
, 0);
1204 #if 0 /* TODO: stipple */
1207 /* Fill background with a stipple pattern. */
1208 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1209 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1210 s
->y
+ box_line_width
,
1211 s
->background_width
,
1212 s
->height
- 2 * box_line_width
);
1213 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1214 s
->background_filled_p
= 1;
1218 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1219 || s
->font_not_found_p
1220 || s
->extends_to_end_of_line_p
1224 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1225 s
->background_width
,
1226 s
->height
- 2 * box_line_width
);
1227 s
->background_filled_p
= 1;
1233 /* Draw the foreground of glyph string S. */
1236 x_draw_glyph_string_foreground (s
)
1237 struct glyph_string
*s
;
1241 /* If first glyph of S has a left box line, start drawing the text
1242 of S to the right of that box line. */
1243 if (s
->face
->box
!= FACE_NO_BOX
1244 && s
->first_glyph
->left_box_line_p
)
1245 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1249 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1250 SetBkColor (s
->hdc
, s
->gc
->background
);
1251 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1253 /* Draw characters of S as rectangles if S's font could not be
1255 if (s
->font_not_found_p
)
1257 for (i
= 0; i
< s
->nchars
; ++i
)
1259 struct glyph
*g
= s
->first_glyph
+ i
;
1261 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1263 x
+= g
->pixel_width
;
1268 struct font
*font
= s
->font
;
1269 int boff
= font
->baseline_offset
;
1273 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1275 if (font
->vertical_centering
)
1276 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1278 y
= s
->ybase
- boff
;
1280 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1281 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1283 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1284 if (s
->face
->overstrike
)
1285 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1287 SelectObject (s
->hdc
, old_font
);
1291 /* Draw the foreground of composite glyph string S. */
1294 x_draw_composite_glyph_string_foreground (s
)
1295 struct glyph_string
*s
;
1299 /* If first glyph of S has a left box line, start drawing the text
1300 of S to the right of that box line. */
1301 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1302 && s
->first_glyph
->left_box_line_p
)
1303 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1307 /* S is a glyph string for a composition. S->gidx is the index of
1308 the first character drawn for glyphs of this composition.
1309 S->gidx == 0 means we are drawing the very first character of
1310 this composition. */
1312 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1313 SetBkColor (s
->hdc
, s
->gc
->background
);
1314 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1316 /* Draw a rectangle for the composition if the font for the very
1317 first character of the composition could not be loaded. */
1318 if (s
->font_not_found_p
)
1321 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1326 struct font
*font
= s
->font
;
1331 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1333 if (s
->cmp
->method
== COMPOSITION_WITH_GLYPH_STRING
)
1335 Lisp_Object gstring
= AREF (XHASH_TABLE (composition_hash_table
)
1337 s
->cmp
->hash_index
* 2);
1340 for (i
= from
= 0; i
< s
->nchars
; i
++)
1342 Lisp_Object g
= LGSTRING_GLYPH (gstring
, i
);
1343 Lisp_Object adjustment
= LGLYPH_ADJUSTMENT (g
);
1344 int xoff
, yoff
, wadjust
;
1346 if (! VECTORP (adjustment
))
1348 width
+= LGLYPH_WIDTH (g
);
1353 font
->driver
->draw (s
, from
, i
, x
, y
, 0);
1356 xoff
= XINT (AREF (adjustment
, 0));
1357 yoff
= XINT (AREF (adjustment
, 1));
1358 wadjust
= XINT (AREF (adjustment
, 2));
1360 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1366 font
->driver
->draw (s
, from
, i
, x
, y
, 0);
1370 for (i
= 0, j
= s
->gidx
; i
< s
->nchars
; i
++, j
++)
1371 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1373 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1374 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1376 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1377 if (s
->face
->overstrike
)
1378 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1381 SelectObject (s
->hdc
, old_font
);
1386 /* Brightness beyond which a color won't have its highlight brightness
1389 Nominally, highlight colors for `3d' faces are calculated by
1390 brightening an object's color by a constant scale factor, but this
1391 doesn't yield good results for dark colors, so for colors who's
1392 brightness is less than this value (on a scale of 0-255) have to
1393 use an additional additive factor.
1395 The value here is set so that the default menu-bar/mode-line color
1396 (grey75) will not have its highlights changed at all. */
1397 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1400 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1401 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1402 If this produces the same color as COLOR, try a color where all RGB
1403 values have DELTA added. Return the allocated color in *COLOR.
1404 DISPLAY is the X display, CMAP is the colormap to operate on.
1405 Value is non-zero if successful. */
1408 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1417 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1420 /* Change RGB values by specified FACTOR. Avoid overflow! */
1421 xassert (factor
>= 0);
1422 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1423 min (0xff, factor
* GetGValue (*color
)),
1424 min (0xff, factor
* GetBValue (*color
)));
1426 /* Calculate brightness of COLOR. */
1427 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1428 + GetBValue (*color
)) / 6;
1430 /* We only boost colors that are darker than
1431 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1432 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1433 /* Make an additive adjustment to NEW, because it's dark enough so
1434 that scaling by FACTOR alone isn't enough. */
1436 /* How far below the limit this color is (0 - 1, 1 being darker). */
1437 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1438 /* The additive adjustment. */
1439 int min_delta
= delta
* dimness
* factor
/ 2;
1442 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1443 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1444 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1446 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1447 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1448 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1452 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1453 max (0, min (0xff, delta
+ GetGValue (*color
))),
1454 max (0, min (0xff, delta
+ GetBValue (*color
))));
1456 /* TODO: Map to palette and retry with delta if same? */
1457 /* TODO: Free colors (if using palette)? */
1468 /* Set up the foreground color for drawing relief lines of glyph
1469 string S. RELIEF is a pointer to a struct relief containing the GC
1470 with which lines will be drawn. Use a color that is FACTOR or
1471 DELTA lighter or darker than the relief's background which is found
1472 in S->f->output_data.x->relief_background. If such a color cannot
1473 be allocated, use DEFAULT_PIXEL, instead. */
1476 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1478 struct relief
*relief
;
1481 COLORREF default_pixel
;
1484 struct w32_output
*di
= f
->output_data
.w32
;
1485 unsigned long mask
= GCForeground
;
1487 COLORREF background
= di
->relief_background
;
1488 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1490 /* TODO: Free colors (if using palette)? */
1492 /* Allocate new color. */
1493 xgcv
.foreground
= default_pixel
;
1495 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1497 relief
->allocated_p
= 1;
1498 xgcv
.foreground
= relief
->pixel
= pixel
;
1501 if (relief
->gc
== 0)
1503 #if 0 /* TODO: stipple */
1504 xgcv
.stipple
= dpyinfo
->gray
;
1507 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1510 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1514 /* Set up colors for the relief lines around glyph string S. */
1517 x_setup_relief_colors (s
)
1518 struct glyph_string
*s
;
1520 struct w32_output
*di
= s
->f
->output_data
.w32
;
1523 if (s
->face
->use_box_color_for_shadows_p
)
1524 color
= s
->face
->box_color
;
1525 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1527 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1528 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1530 color
= s
->gc
->background
;
1532 if (di
->white_relief
.gc
== 0
1533 || color
!= di
->relief_background
)
1535 di
->relief_background
= color
;
1536 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1537 WHITE_PIX_DEFAULT (s
->f
));
1538 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1539 BLACK_PIX_DEFAULT (s
->f
));
1544 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1545 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1546 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1547 relief. LEFT_P non-zero means draw a relief on the left side of
1548 the rectangle. RIGHT_P non-zero means draw a relief on the right
1549 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1553 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1554 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1556 int left_x
, top_y
, right_x
, bottom_y
, width
;
1557 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1562 HDC hdc
= get_frame_dc (f
);
1565 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1567 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1569 w32_set_clip_rectangle (hdc
, clip_rect
);
1573 for (i
= 0; i
< width
; ++i
)
1574 w32_fill_area (f
, hdc
, gc
.foreground
,
1575 left_x
+ i
* left_p
, top_y
+ i
,
1576 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1580 for (i
= 0; i
< width
; ++i
)
1581 w32_fill_area (f
, hdc
, gc
.foreground
,
1582 left_x
+ i
, top_y
+ i
, 1,
1583 bottom_y
- top_y
- 2 * i
+ 1);
1586 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1588 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1592 for (i
= 0; i
< width
; ++i
)
1593 w32_fill_area (f
, hdc
, gc
.foreground
,
1594 left_x
+ i
* left_p
, bottom_y
- i
,
1595 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1599 for (i
= 0; i
< width
; ++i
)
1600 w32_fill_area (f
, hdc
, gc
.foreground
,
1601 right_x
- i
, top_y
+ i
+ 1, 1,
1602 bottom_y
- top_y
- 2 * i
- 1);
1604 w32_set_clip_rectangle (hdc
, NULL
);
1606 release_frame_dc (f
, hdc
);
1610 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1611 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1612 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1613 left side of the rectangle. RIGHT_P non-zero means draw a line
1614 on the right side of the rectangle. CLIP_RECT is the clipping
1615 rectangle to use when drawing. */
1618 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1619 left_p
, right_p
, clip_rect
)
1620 struct glyph_string
*s
;
1621 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1624 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1627 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1628 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1633 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1634 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1638 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1639 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1644 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1645 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1648 w32_set_clip_rectangle (s
->hdc
, NULL
);
1652 /* Draw a box around glyph string S. */
1655 x_draw_glyph_string_box (s
)
1656 struct glyph_string
*s
;
1658 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1659 int left_p
, right_p
;
1660 struct glyph
*last_glyph
;
1663 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1664 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1665 : window_box_right (s
->w
, s
->area
));
1667 /* The glyph that may have a right box line. */
1668 last_glyph
= (s
->cmp
|| s
->img
1670 : s
->first_glyph
+ s
->nchars
- 1);
1672 width
= eabs (s
->face
->box_line_width
);
1673 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1675 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1677 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1679 bottom_y
= top_y
+ s
->height
- 1;
1681 left_p
= (s
->first_glyph
->left_box_line_p
1682 || (s
->hl
== DRAW_MOUSE_FACE
1684 || s
->prev
->hl
!= s
->hl
)));
1685 right_p
= (last_glyph
->right_box_line_p
1686 || (s
->hl
== DRAW_MOUSE_FACE
1688 || s
->next
->hl
!= s
->hl
)));
1690 get_glyph_string_clip_rect (s
, &clip_rect
);
1692 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1693 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1694 left_p
, right_p
, &clip_rect
);
1697 x_setup_relief_colors (s
);
1698 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1699 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1704 /* Draw foreground of image glyph string S. */
1707 x_draw_image_foreground (s
)
1708 struct glyph_string
*s
;
1711 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1713 /* If first glyph of S has a left box line, start drawing it to the
1714 right of that line. */
1715 if (s
->face
->box
!= FACE_NO_BOX
1716 && s
->first_glyph
->left_box_line_p
1718 x
+= eabs (s
->face
->box_line_width
);
1720 /* If there is a margin around the image, adjust x- and y-position
1722 if (s
->slice
.x
== 0)
1723 x
+= s
->img
->hmargin
;
1724 if (s
->slice
.y
== 0)
1725 y
+= s
->img
->vmargin
;
1731 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1732 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1733 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1734 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1735 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1736 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1737 x_set_glyph_string_clipping (s
);
1741 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1742 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1744 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1745 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1747 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1748 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1749 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1750 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1751 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1752 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1754 SelectObject (mask_dc
, mask_orig_obj
);
1759 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1760 SetBkColor (s
->hdc
, s
->gc
->background
);
1762 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1763 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1765 /* When the image has a mask, we can expect that at
1766 least part of a mouse highlight or a block cursor will
1767 be visible. If the image doesn't have a mask, make
1768 a block cursor visible by drawing a rectangle around
1769 the image. I believe it's looking better if we do
1770 nothing here for mouse-face. */
1771 if (s
->hl
== DRAW_CURSOR
)
1773 int r
= s
->img
->relief
;
1775 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1776 s
->slice
.width
+ r
*2 - 1,
1777 s
->slice
.height
+ r
*2 - 1);
1781 w32_set_clip_rectangle (s
->hdc
, NULL
);
1782 SelectObject (s
->hdc
, orig_brush
);
1783 DeleteObject (fg_brush
);
1784 SelectObject (compat_hdc
, orig_obj
);
1785 DeleteDC (compat_hdc
);
1788 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1789 s
->slice
.width
- 1, s
->slice
.height
- 1);
1791 RestoreDC (s
->hdc
,-1);
1795 /* Draw a relief around the image glyph string S. */
1798 x_draw_image_relief (s
)
1799 struct glyph_string
*s
;
1801 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1804 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1806 /* If first glyph of S has a left box line, start drawing it to the
1807 right of that line. */
1808 if (s
->face
->box
!= FACE_NO_BOX
1809 && s
->first_glyph
->left_box_line_p
1811 x
+= eabs (s
->face
->box_line_width
);
1813 /* If there is a margin around the image, adjust x- and y-position
1815 if (s
->slice
.x
== 0)
1816 x
+= s
->img
->hmargin
;
1817 if (s
->slice
.y
== 0)
1818 y
+= s
->img
->vmargin
;
1820 if (s
->hl
== DRAW_IMAGE_SUNKEN
1821 || s
->hl
== DRAW_IMAGE_RAISED
)
1823 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1824 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1828 thick
= eabs (s
->img
->relief
);
1829 raised_p
= s
->img
->relief
> 0;
1834 x1
= x
+ s
->slice
.width
+ thick
- 1;
1835 y1
= y
+ s
->slice
.height
+ thick
- 1;
1837 x_setup_relief_colors (s
);
1838 get_glyph_string_clip_rect (s
, &r
);
1839 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
1841 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
1843 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
1848 /* Draw the foreground of image glyph string S to PIXMAP. */
1851 w32_draw_image_foreground_1 (s
, pixmap
)
1852 struct glyph_string
*s
;
1855 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1856 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1858 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1860 /* If first glyph of S has a left box line, start drawing it to the
1861 right of that line. */
1862 if (s
->face
->box
!= FACE_NO_BOX
1863 && s
->first_glyph
->left_box_line_p
1865 x
+= eabs (s
->face
->box_line_width
);
1867 /* If there is a margin around the image, adjust x- and y-position
1869 if (s
->slice
.x
== 0)
1870 x
+= s
->img
->hmargin
;
1871 if (s
->slice
.y
== 0)
1872 y
+= s
->img
->vmargin
;
1876 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1877 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1878 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1879 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1883 HDC mask_dc
= CreateCompatibleDC (hdc
);
1884 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1886 SetTextColor (hdc
, RGB (0, 0, 0));
1887 SetBkColor (hdc
, RGB (255, 255, 255));
1888 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1889 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1890 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1891 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1892 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1893 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1895 SelectObject (mask_dc
, mask_orig_obj
);
1900 SetTextColor (hdc
, s
->gc
->foreground
);
1901 SetBkColor (hdc
, s
->gc
->background
);
1903 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1904 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1906 /* When the image has a mask, we can expect that at
1907 least part of a mouse highlight or a block cursor will
1908 be visible. If the image doesn't have a mask, make
1909 a block cursor visible by drawing a rectangle around
1910 the image. I believe it's looking better if we do
1911 nothing here for mouse-face. */
1912 if (s
->hl
== DRAW_CURSOR
)
1914 int r
= s
->img
->relief
;
1916 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
1917 s
->slice
.width
+ r
*2 - 1,
1918 s
->slice
.height
+ r
*2 - 1);
1922 SelectObject (hdc
, orig_brush
);
1923 DeleteObject (fg_brush
);
1924 SelectObject (compat_hdc
, orig_obj
);
1925 DeleteDC (compat_hdc
);
1928 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
1929 s
->slice
.width
- 1, s
->slice
.height
- 1);
1931 SelectObject (hdc
, orig_hdc_obj
);
1936 /* Draw part of the background of glyph string S. X, Y, W, and H
1937 give the rectangle to draw. */
1940 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
1941 struct glyph_string
*s
;
1944 #if 0 /* TODO: stipple */
1947 /* Fill background with a stipple pattern. */
1948 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1949 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
1950 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1954 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
1958 /* Draw image glyph string S.
1961 s->x +-------------------------
1964 | +-------------------------
1967 | | +-------------------
1973 x_draw_image_glyph_string (s
)
1974 struct glyph_string
*s
;
1977 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
1978 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
1982 height
= s
->height
- 2 * box_line_vwidth
;
1984 /* Fill background with face under the image. Do it only if row is
1985 taller than image or if image has a clip mask to reduce
1987 s
->stippled_p
= s
->face
->stipple
!= 0;
1988 if (height
> s
->slice
.height
1992 || s
->img
->pixmap
== 0
1993 || s
->width
!= s
->background_width
)
1996 if (s
->first_glyph
->left_box_line_p
1998 x
+= box_line_hwidth
;
2001 if (s
->slice
.y
== 0)
2002 y
+= box_line_vwidth
;
2004 #if 0 /* TODO: figure out if we need to do this on Windows. */
2007 /* Create a pixmap as large as the glyph string. Fill it
2008 with the background color. Copy the image to it, using
2009 its mask. Copy the temporary pixmap to the display. */
2010 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2011 int depth
= DefaultDepthOfScreen (screen
);
2013 /* Create a pixmap as large as the glyph string. */
2014 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2015 s
->background_width
,
2018 /* Don't clip in the following because we're working on the
2020 XSetClipMask (s
->display
, s
->gc
, None
);
2022 /* Fill the pixmap with the background color/stipple. */
2025 /* Fill background with a stipple pattern. */
2026 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2027 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2028 0, 0, s
->background_width
, s
->height
);
2029 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2034 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2036 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2037 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2038 0, 0, s
->background_width
, s
->height
);
2039 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2044 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2046 s
->background_filled_p
= 1;
2049 /* Draw the foreground. */
2052 w32_draw_image_foreground_1 (s
, pixmap
);
2053 x_set_glyph_string_clipping (s
);
2055 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2056 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2057 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2058 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2060 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2061 SetBkColor (s
->hdc
, s
->gc
->background
);
2062 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2063 compat_hdc
, 0, 0, SRCCOPY
);
2065 SelectObject (s
->hdc
, orig_brush
);
2066 DeleteObject (fg_brush
);
2067 SelectObject (compat_hdc
, orig_obj
);
2068 DeleteDC (compat_hdc
);
2070 DeleteObject (pixmap
);
2074 x_draw_image_foreground (s
);
2076 /* If we must draw a relief around the image, do it. */
2078 || s
->hl
== DRAW_IMAGE_RAISED
2079 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2080 x_draw_image_relief (s
);
2084 /* Draw stretch glyph string S. */
2087 x_draw_stretch_glyph_string (s
)
2088 struct glyph_string
*s
;
2090 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2092 if (s
->hl
== DRAW_CURSOR
2093 && !x_stretch_cursor_p
)
2095 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2096 as wide as the stretch glyph. */
2097 int width
, background_width
= s
->background_width
;
2098 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2102 background_width
-= left_x
- x
;
2105 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2108 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2110 /* Clear rest using the GC of the original non-cursor face. */
2111 if (width
< background_width
)
2113 XGCValues
*gc
= s
->face
->gc
;
2115 int w
= background_width
- width
, h
= s
->height
;
2120 if (s
->row
->mouse_face_p
2121 && cursor_in_mouse_face_p (s
->w
))
2123 x_set_mouse_face_gc (s
);
2129 get_glyph_string_clip_rect (s
, &r
);
2130 w32_set_clip_rectangle (hdc
, &r
);
2132 #if 0 /* TODO: stipple */
2133 if (s
->face
->stipple
)
2135 /* Fill background with a stipple pattern. */
2136 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2137 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2138 XSetFillStyle (s
->display
, gc
, FillSolid
);
2143 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2147 else if (!s
->background_filled_p
)
2149 int background_width
= s
->background_width
;
2150 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2152 /* Don't draw into left margin, fringe or scrollbar area
2153 except for header line and mode line. */
2154 if (x
< left_x
&& !s
->row
->mode_line_p
)
2156 background_width
-= left_x
- x
;
2159 if (background_width
> 0)
2160 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2163 s
->background_filled_p
= 1;
2167 /* Draw glyph string S. */
2170 x_draw_glyph_string (s
)
2171 struct glyph_string
*s
;
2173 int relief_drawn_p
= 0;
2175 /* If S draws into the background of its successor, draw the
2176 background of the successor first so that S can draw into it.
2177 This makes S->next use XDrawString instead of XDrawImageString. */
2178 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2181 struct glyph_string
*next
;
2182 for (width
= 0, next
= s
->next
; next
;
2183 width
+= next
->width
, next
= next
->next
)
2184 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2186 x_set_glyph_string_gc (next
);
2187 x_set_glyph_string_clipping (next
);
2188 x_draw_glyph_string_background (next
, 1);
2189 next
->num_clips
= 0;
2193 /* Set up S->gc, set clipping and draw S. */
2194 x_set_glyph_string_gc (s
);
2196 /* Draw relief (if any) in advance for char/composition so that the
2197 glyph string can be drawn over it. */
2198 if (!s
->for_overlaps
2199 && s
->face
->box
!= FACE_NO_BOX
2200 && (s
->first_glyph
->type
== CHAR_GLYPH
2201 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2204 x_set_glyph_string_clipping (s
);
2205 x_draw_glyph_string_background (s
, 1);
2206 x_draw_glyph_string_box (s
);
2207 x_set_glyph_string_clipping (s
);
2210 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2212 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2213 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2214 /* We must clip just this glyph. left_overhang part has already
2215 drawn when s->prev was drawn, and right_overhang part will be
2216 drawn later when s->next is drawn. */
2217 x_set_glyph_string_clipping_exactly (s
, s
);
2219 x_set_glyph_string_clipping (s
);
2221 switch (s
->first_glyph
->type
)
2224 x_draw_image_glyph_string (s
);
2228 x_draw_stretch_glyph_string (s
);
2232 if (s
->for_overlaps
)
2233 s
->background_filled_p
= 1;
2235 x_draw_glyph_string_background (s
, 0);
2236 x_draw_glyph_string_foreground (s
);
2239 case COMPOSITE_GLYPH
:
2240 if (s
->for_overlaps
|| s
->gidx
> 0)
2241 s
->background_filled_p
= 1;
2243 x_draw_glyph_string_background (s
, 1);
2244 x_draw_composite_glyph_string_foreground (s
);
2251 if (!s
->for_overlaps
)
2253 /* Draw underline. */
2254 if (s
->face
->underline_p
)
2256 unsigned long thickness
, position
;
2259 if (s
->prev
&& s
->prev
->face
->underline_p
)
2261 /* We use the same underline style as the previous one. */
2262 thickness
= s
->prev
->underline_thickness
;
2263 position
= s
->prev
->underline_position
;
2267 /* Get the underline thickness. Default is 1 pixel. */
2268 if (s
->font
&& s
->font
->underline_thickness
> 0)
2269 thickness
= s
->font
->underline_thickness
;
2272 if (x_underline_at_descent_line
)
2273 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2276 /* Get the underline position. This is the recommended
2277 vertical offset in pixels from the baseline to the top of
2278 the underline. This is a signed value according to the
2279 specs, and its default is
2281 ROUND ((maximum_descent) / 2), with
2282 ROUND (x) = floor (x + 0.5) */
2284 if (x_use_underline_position_properties
2285 && s
->font
&& s
->font
->underline_position
>= 0)
2286 position
= s
->font
->underline_position
;
2288 position
= (s
->font
->descent
+ 1) / 2;
2290 position
= max (position
, underline_minimum_offset
);
2292 /* Check the sanity of thickness and position. We should
2293 avoid drawing underline out of the current line area. */
2294 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2295 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2296 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2297 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2298 s
->underline_thickness
= thickness
;
2299 s
->underline_position
=position
;
2300 y
= s
->ybase
+ position
;
2301 if (s
->face
->underline_defaulted_p
)
2303 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2304 y
, s
->background_width
, 1);
2308 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2309 y
, s
->background_width
, 1);
2312 /* Draw overline. */
2313 if (s
->face
->overline_p
)
2315 unsigned long dy
= 0, h
= 1;
2317 if (s
->face
->overline_color_defaulted_p
)
2319 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2320 s
->y
+ dy
, s
->background_width
, h
);
2324 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2325 s
->y
+ dy
, s
->background_width
, h
);
2329 /* Draw strike-through. */
2330 if (s
->face
->strike_through_p
2331 && !FONT_TEXTMETRIC(s
->font
).tmStruckOut
)
2333 unsigned long h
= 1;
2334 unsigned long dy
= (s
->height
- h
) / 2;
2336 if (s
->face
->strike_through_color_defaulted_p
)
2338 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2343 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2344 s
->y
+ dy
, s
->width
, h
);
2348 /* Draw relief if not yet drawn. */
2349 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2350 x_draw_glyph_string_box (s
);
2354 struct glyph_string
*prev
;
2356 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2357 if (prev
->hl
!= s
->hl
2358 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2360 /* As prev was drawn while clipped to its own area, we
2361 must draw the right_overhang part using s->hl now. */
2362 enum draw_glyphs_face save
= prev
->hl
;
2365 x_set_glyph_string_gc (prev
);
2366 x_set_glyph_string_clipping_exactly (s
, prev
);
2367 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2368 x_draw_glyph_string_foreground (prev
);
2370 x_draw_composite_glyph_string_foreground (prev
);
2371 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2373 prev
->num_clips
= 0;
2379 struct glyph_string
*next
;
2381 for (next
= s
->next
; next
; next
= next
->next
)
2382 if (next
->hl
!= s
->hl
2383 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2385 /* As next will be drawn while clipped to its own area,
2386 we must draw the left_overhang part using s->hl now. */
2387 enum draw_glyphs_face save
= next
->hl
;
2390 x_set_glyph_string_gc (next
);
2391 x_set_glyph_string_clipping_exactly (s
, next
);
2392 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2393 x_draw_glyph_string_foreground (next
);
2395 x_draw_composite_glyph_string_foreground (next
);
2396 w32_set_clip_rectangle (next
->hdc
, NULL
);
2398 next
->num_clips
= 0;
2403 /* Reset clipping. */
2404 w32_set_clip_rectangle (s
->hdc
, NULL
);
2409 /* Shift display to make room for inserted glyphs. */
2412 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2414 int x
, y
, width
, height
, shift_by
;
2418 hdc
= get_frame_dc (f
);
2419 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2420 hdc
, x
, y
, SRCCOPY
);
2422 release_frame_dc (f
, hdc
);
2426 /* Delete N glyphs at the nominal cursor position. Not implemented
2430 x_delete_glyphs (f
, n
)
2434 if (! FRAME_W32_P (f
))
2441 /* Clear entire frame. If updating_frame is non-null, clear that
2442 frame. Otherwise clear the selected frame. */
2445 x_clear_frame (struct frame
*f
)
2447 if (! FRAME_W32_P (f
))
2450 /* Clearing the frame will erase any cursor, so mark them all as no
2452 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2453 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2454 output_cursor
.x
= -1;
2456 /* We don't set the output cursor here because there will always
2457 follow an explicit cursor_to. */
2460 w32_clear_window (f
);
2462 /* We have to clear the scroll bars, too. If we have changed
2463 colors or something like that, then they should be notified. */
2464 x_scroll_bar_clear (f
);
2470 /* Make audible bell. */
2473 w32_ring_bell (struct frame
*f
)
2477 if (FRAME_W32_P (f
) && visible_bell
)
2480 HWND hwnd
= FRAME_W32_WINDOW (f
);
2482 for (i
= 0; i
< 5; i
++)
2484 FlashWindow (hwnd
, TRUE
);
2487 FlashWindow (hwnd
, FALSE
);
2490 w32_sys_ring_bell (f
);
2496 /* Specify how many text lines, from the top of the window,
2497 should be affected by insert-lines and delete-lines operations.
2498 This, and those operations, are used only within an update
2499 that is bounded by calls to x_update_begin and x_update_end. */
2502 w32_set_terminal_window (n
)
2505 /* This function intentionally left blank. */
2509 /***********************************************************************
2511 ***********************************************************************/
2513 /* Perform an insert-lines or delete-lines operation, inserting N
2514 lines or deleting -N lines at vertical position VPOS. */
2517 x_ins_del_lines (f
, vpos
, n
)
2521 if (! FRAME_W32_P (f
))
2528 /* Scroll part of the display as described by RUN. */
2531 x_scroll_run (w
, run
)
2535 struct frame
*f
= XFRAME (w
->frame
);
2536 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2537 HWND hwnd
= FRAME_W32_WINDOW (f
);
2540 /* Get frame-relative bounding box of the text display area of W,
2541 without mode lines. Include in this box the left and right
2543 window_box (w
, -1, &x
, &y
, &width
, &height
);
2545 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2546 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2547 bottom_y
= y
+ height
;
2551 /* Scrolling up. Make sure we don't copy part of the mode
2552 line at the bottom. */
2553 if (from_y
+ run
->height
> bottom_y
)
2554 height
= bottom_y
- from_y
;
2556 height
= run
->height
;
2557 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2561 /* Scolling down. Make sure we don't copy over the mode line.
2563 if (to_y
+ run
->height
> bottom_y
)
2564 height
= bottom_y
- to_y
;
2566 height
= run
->height
;
2567 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2572 /* Cursor off. Will be switched on again in x_update_window_end. */
2579 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2580 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2582 from
.left
= to
.left
= x
;
2583 from
.right
= to
.right
= x
+ width
;
2585 from
.bottom
= from_y
+ height
;
2587 to
.bottom
= bottom_y
;
2589 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2590 NULL
, SW_INVALIDATE
);
2592 /* Combine this with what we expect to be dirty. This covers the
2593 case where not all of the region we expect is actually dirty. */
2594 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2596 /* If the dirty region is not what we expected, redraw the entire frame. */
2597 if (!EqualRgn (combined
, expect_dirty
))
2598 SET_FRAME_GARBAGED (f
);
2600 DeleteObject (dirty
);
2601 DeleteObject (combined
);
2605 DeleteObject (expect_dirty
);
2610 /***********************************************************************
2612 ***********************************************************************/
2618 x_update_cursor (f
, 1);
2622 frame_unhighlight (f
)
2625 x_update_cursor (f
, 1);
2628 /* The focus has changed. Update the frames as necessary to reflect
2629 the new situation. Note that we can't change the selected frame
2630 here, because the Lisp code we are interrupting might become confused.
2631 Each event gets marked with the frame in which it occurred, so the
2632 Lisp code can tell when the switch took place by examining the events. */
2635 x_new_focus_frame (dpyinfo
, frame
)
2636 struct w32_display_info
*dpyinfo
;
2637 struct frame
*frame
;
2639 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2641 if (frame
!= dpyinfo
->w32_focus_frame
)
2643 /* Set this before calling other routines, so that they see
2644 the correct value of w32_focus_frame. */
2645 dpyinfo
->w32_focus_frame
= frame
;
2647 if (old_focus
&& old_focus
->auto_lower
)
2648 x_lower_frame (old_focus
);
2650 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2651 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2653 pending_autoraise_frame
= 0;
2656 x_frame_rehighlight (dpyinfo
);
2660 /* Handle FocusIn and FocusOut state changes for FRAME.
2661 If FRAME has focus and there exists more than one frame, puts
2662 a FOCUS_IN_EVENT into *BUFP. */
2665 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2668 struct w32_display_info
*dpyinfo
;
2669 struct frame
*frame
;
2670 struct input_event
*bufp
;
2672 if (type
== WM_SETFOCUS
)
2674 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2676 x_new_focus_frame (dpyinfo
, frame
);
2677 dpyinfo
->w32_focus_event_frame
= frame
;
2679 /* Don't stop displaying the initial startup message
2680 for a switch-frame event we don't need. */
2681 if (NILP (Vterminal_frame
)
2682 && CONSP (Vframe_list
)
2683 && !NILP (XCDR (Vframe_list
)))
2685 bufp
->kind
= FOCUS_IN_EVENT
;
2686 XSETFRAME (bufp
->frame_or_window
, frame
);
2690 frame
->output_data
.x
->focus_state
|= state
;
2692 /* TODO: IME focus? */
2694 else if (type
== WM_KILLFOCUS
)
2696 frame
->output_data
.x
->focus_state
&= ~state
;
2698 if (dpyinfo
->w32_focus_event_frame
== frame
)
2700 dpyinfo
->w32_focus_event_frame
= 0;
2701 x_new_focus_frame (dpyinfo
, 0);
2704 /* TODO: IME focus? */
2709 /* The focus may have changed. Figure out if it is a real focus change,
2710 by checking both FocusIn/Out and Enter/LeaveNotify events.
2712 Returns FOCUS_IN_EVENT event in *BUFP. */
2715 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2716 struct w32_display_info
*dpyinfo
;
2718 struct input_event
*bufp
;
2720 struct frame
*frame
;
2722 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2726 /* On w32, this is only called from focus events, so no switch needed. */
2727 x_focus_changed (event
->msg
.message
,
2728 (event
->msg
.message
== WM_KILLFOCUS
?
2729 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2730 dpyinfo
, frame
, bufp
);
2734 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2737 x_mouse_leave (dpyinfo
)
2738 struct w32_display_info
*dpyinfo
;
2740 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2743 /* The focus has changed, or we have redirected a frame's focus to
2744 another frame (this happens when a frame uses a surrogate
2745 mini-buffer frame). Shift the highlight as appropriate.
2747 The FRAME argument doesn't necessarily have anything to do with which
2748 frame is being highlighted or un-highlighted; we only use it to find
2749 the appropriate X display info. */
2752 w32_frame_rehighlight (frame
)
2753 struct frame
*frame
;
2755 if (! FRAME_W32_P (frame
))
2757 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2761 x_frame_rehighlight (dpyinfo
)
2762 struct w32_display_info
*dpyinfo
;
2764 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2766 if (dpyinfo
->w32_focus_frame
)
2768 dpyinfo
->x_highlight_frame
2769 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2770 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2771 : dpyinfo
->w32_focus_frame
);
2772 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2774 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2775 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2779 dpyinfo
->x_highlight_frame
= 0;
2781 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2784 frame_unhighlight (old_highlight
);
2785 if (dpyinfo
->x_highlight_frame
)
2786 frame_highlight (dpyinfo
->x_highlight_frame
);
2790 /* Keyboard processing - modifier keys, etc. */
2792 /* Convert a keysym to its name. */
2795 x_get_keysym_name (keysym
)
2798 /* Make static so we can always return it */
2799 static char value
[100];
2802 GetKeyNameText (keysym
, value
, 100);
2810 /* Mouse clicks and mouse movement. Rah. */
2812 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2813 the state in PUP. XBUTTON provides extra information for extended mouse
2814 button messages. Returns FALSE if unable to parse the message. */
2816 parse_button (message
, xbutton
, pbutton
, pup
)
2827 case WM_LBUTTONDOWN
:
2835 case WM_MBUTTONDOWN
:
2836 if (NILP (Vw32_swap_mouse_buttons
))
2843 if (NILP (Vw32_swap_mouse_buttons
))
2849 case WM_RBUTTONDOWN
:
2850 if (NILP (Vw32_swap_mouse_buttons
))
2857 if (NILP (Vw32_swap_mouse_buttons
))
2863 case WM_XBUTTONDOWN
:
2864 button
= xbutton
+ 2;
2868 button
= xbutton
+ 2;
2876 if (pbutton
) *pbutton
= button
;
2882 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2884 If the event is a button press, then note that we have grabbed
2888 construct_mouse_click (result
, msg
, f
)
2889 struct input_event
*result
;
2896 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2899 /* Make the event type NO_EVENT; we'll change that when we decide
2901 result
->kind
= MOUSE_CLICK_EVENT
;
2902 result
->code
= button
;
2903 result
->timestamp
= msg
->msg
.time
;
2904 result
->modifiers
= (msg
->dwModifiers
2909 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2910 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2911 XSETFRAME (result
->frame_or_window
, f
);
2917 construct_mouse_wheel (result
, msg
, f
)
2918 struct input_event
*result
;
2925 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
2928 result
->timestamp
= msg
->msg
.time
;
2930 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2931 forward, away from the user (up); a negative value indicates that
2932 the wheel was rotated backward, toward the user (down). */
2933 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
2935 /* The up and down modifiers indicate if the wheel was rotated up or
2936 down based on WHEEL_DELTA value. */
2937 result
->modifiers
= (msg
->dwModifiers
2938 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
2940 /* With multiple monitors, we can legitimately get negative
2941 coordinates, so cast to short to interpret them correctly. */
2942 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
2943 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
2944 ScreenToClient (msg
->msg
.hwnd
, &p
);
2945 XSETINT (result
->x
, p
.x
);
2946 XSETINT (result
->y
, p
.y
);
2947 XSETFRAME (result
->frame_or_window
, f
);
2953 construct_drag_n_drop (result
, msg
, f
)
2954 struct input_event
*result
;
2966 result
->kind
= DRAG_N_DROP_EVENT
;
2968 result
->timestamp
= msg
->msg
.time
;
2969 result
->modifiers
= msg
->dwModifiers
;
2971 hdrop
= (HDROP
) msg
->msg
.wParam
;
2972 DragQueryPoint (hdrop
, &p
);
2975 p
.x
= LOWORD (msg
->msg
.lParam
);
2976 p
.y
= HIWORD (msg
->msg
.lParam
);
2977 ScreenToClient (msg
->msg
.hwnd
, &p
);
2980 XSETINT (result
->x
, p
.x
);
2981 XSETINT (result
->y
, p
.y
);
2983 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
2986 for (i
= 0; i
< num_files
; i
++)
2988 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
2991 name
= alloca (len
+ 1);
2992 DragQueryFile (hdrop
, i
, name
, len
+ 1);
2993 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
2998 XSETFRAME (frame
, f
);
2999 result
->frame_or_window
= frame
;
3000 result
->arg
= files
;
3005 /* Function to report a mouse movement to the mainstream Emacs code.
3006 The input handler calls this.
3008 We have received a mouse movement event, which is given in *event.
3009 If the mouse is over a different glyph than it was last time, tell
3010 the mainstream emacs code by setting mouse_moved. If not, ask for
3011 another motion event, so we can check again the next time it moves. */
3013 static MSG last_mouse_motion_event
;
3014 static Lisp_Object last_mouse_motion_frame
;
3017 note_mouse_movement (frame
, msg
)
3021 int mouse_x
= LOWORD (msg
->lParam
);
3022 int mouse_y
= HIWORD (msg
->lParam
);
3024 last_mouse_movement_time
= msg
->time
;
3025 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3026 XSETFRAME (last_mouse_motion_frame
, frame
);
3028 if (!FRAME_X_OUTPUT (frame
))
3031 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3033 frame
->mouse_moved
= 1;
3034 last_mouse_scroll_bar
= Qnil
;
3035 note_mouse_highlight (frame
, -1, -1);
3036 last_mouse_glyph_frame
= 0;
3040 /* Has the mouse moved off the glyph it was on at the last sighting? */
3041 if (frame
!= last_mouse_glyph_frame
3042 || mouse_x
< last_mouse_glyph
.left
3043 || mouse_x
>= last_mouse_glyph
.right
3044 || mouse_y
< last_mouse_glyph
.top
3045 || mouse_y
>= last_mouse_glyph
.bottom
)
3047 frame
->mouse_moved
= 1;
3048 last_mouse_scroll_bar
= Qnil
;
3049 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3050 /* Remember the mouse position here, as w32_mouse_position only
3051 gets called when mouse tracking is enabled but we also need
3052 to keep track of the mouse for help_echo and highlighting at
3054 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3055 last_mouse_glyph_frame
= frame
;
3063 /************************************************************************
3065 ************************************************************************/
3067 static struct scroll_bar
*x_window_to_scroll_bar ();
3068 static void x_scroll_bar_report_motion ();
3069 static void x_check_fullscreen
P_ ((struct frame
*));
3072 redo_mouse_highlight ()
3074 if (!NILP (last_mouse_motion_frame
)
3075 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3076 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3077 LOWORD (last_mouse_motion_event
.lParam
),
3078 HIWORD (last_mouse_motion_event
.lParam
));
3082 w32_define_cursor (window
, cursor
)
3086 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3088 /* Return the current position of the mouse.
3089 *fp should be a frame which indicates which display to ask about.
3091 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3092 and *part to the frame, window, and scroll bar part that the mouse
3093 is over. Set *x and *y to the portion and whole of the mouse's
3094 position on the scroll bar.
3096 If the mouse movement started elsewhere, set *fp to the frame the
3097 mouse is on, *bar_window to nil, and *x and *y to the character cell
3100 Set *time to the server time-stamp for the time at which the mouse
3101 was at this position.
3103 Don't store anything if we don't have a valid set of values to report.
3105 This clears the mouse_moved flag, so we can wait for the next mouse
3109 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3112 Lisp_Object
*bar_window
;
3113 enum scroll_bar_part
*part
;
3115 unsigned long *time
;
3121 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3122 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3127 Lisp_Object frame
, tail
;
3129 /* Clear the mouse-moved flag for every frame on this display. */
3130 FOR_EACH_FRAME (tail
, frame
)
3131 XFRAME (frame
)->mouse_moved
= 0;
3133 last_mouse_scroll_bar
= Qnil
;
3137 /* Now we have a position on the root; find the innermost window
3138 containing the pointer. */
3140 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3141 && FRAME_LIVE_P (last_mouse_frame
))
3143 /* If mouse was grabbed on a frame, give coords for that frame
3144 even if the mouse is now outside it. */
3145 f1
= last_mouse_frame
;
3149 /* Is window under mouse one of our frames? */
3150 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3151 WindowFromPoint (pt
));
3154 /* If not, is it one of our scroll bars? */
3157 struct scroll_bar
*bar
3158 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3162 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3166 if (f1
== 0 && insist
> 0)
3167 f1
= SELECTED_FRAME ();
3171 /* Ok, we found a frame. Store all the values.
3172 last_mouse_glyph is a rectangle used to reduce the
3173 generation of mouse events. To not miss any motion
3174 events, we must divide the frame into rectangles of the
3175 size of the smallest character that could be displayed
3176 on it, i.e. into the same rectangles that matrices on
3177 the frame are divided into. */
3179 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3180 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3181 last_mouse_glyph_frame
= f1
;
3188 *time
= last_mouse_movement_time
;
3197 /***********************************************************************
3199 ***********************************************************************/
3201 /* Handle mouse button event on the tool-bar of frame F, at
3202 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3206 w32_handle_tool_bar_click (f
, button_event
)
3208 struct input_event
*button_event
;
3210 int x
= XFASTINT (button_event
->x
);
3211 int y
= XFASTINT (button_event
->y
);
3213 if (button_event
->modifiers
& down_modifier
)
3214 handle_tool_bar_click (f
, x
, y
, 1, 0);
3216 handle_tool_bar_click (f
, x
, y
, 0,
3217 button_event
->modifiers
& ~up_modifier
);
3222 /***********************************************************************
3224 ***********************************************************************/
3226 /* Scroll bar support. */
3228 /* Given a window ID, find the struct scroll_bar which manages it.
3229 This can be called in GC, so we have to make sure to strip off mark
3232 static struct scroll_bar
*
3233 x_window_to_scroll_bar (window_id
)
3238 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3240 Lisp_Object frame
, bar
, condemned
;
3242 frame
= XCAR (tail
);
3243 /* All elements of Vframe_list should be frames. */
3244 if (! FRAMEP (frame
))
3247 /* Scan this frame's scroll bar list for a scroll bar with the
3249 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3250 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3251 /* This trick allows us to search both the ordinary and
3252 condemned scroll bar lists with one loop. */
3253 ! NILP (bar
) || (bar
= condemned
,
3256 bar
= XSCROLL_BAR (bar
)->next
)
3257 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3258 return XSCROLL_BAR (bar
);
3266 /* Set the thumb size and position of scroll bar BAR. We are currently
3267 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3270 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3271 struct scroll_bar
*bar
;
3272 int portion
, position
, whole
;
3274 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3275 /* We use the whole scroll-bar height in the calculations below, to
3276 avoid strange effects like scrolling backwards when just clicking
3277 on the handle (without moving it). */
3278 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3279 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3280 int sb_page
, sb_pos
;
3281 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3284 /* We used to change the nPage setting while dragging the handle,
3285 but that had very strange effects (such as scrolling backwards
3286 while dragging downwards).
3288 Now, we don't change the nPage setting while dragging unless we
3289 get near to the end of the buffer, in which case we often have to
3290 resize the handle to "go all the way". */
3296 si
.cbSize
= sizeof (si
);
3297 si
.fMask
= SIF_POS
| SIF_PAGE
;
3298 GetScrollInfo(w
, SB_CTL
, &si
);
3299 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3307 /* Position scroll bar at rock bottom if the bottom of the
3308 buffer is visible. This avoids shinking the thumb away
3309 to nothing if it is held at the bottom of the buffer. */
3310 if (position
+ portion
>= whole
&& !draggingp
)
3312 sb_page
= range
* (whole
- position
) / whole
;
3317 sb_pos
= position
* range
/ whole
;
3318 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3327 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3331 si
.cbSize
= sizeof (si
);
3332 si
.fMask
= SIF_PAGE
| SIF_POS
;
3336 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3342 /************************************************************************
3343 Scroll bars, general
3344 ************************************************************************/
3347 my_create_scrollbar (f
, bar
)
3349 struct scroll_bar
* bar
;
3351 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3352 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3356 /*#define ATTACH_THREADS*/
3359 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3361 #ifndef ATTACH_THREADS
3362 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3363 (WPARAM
) hwnd
, (LPARAM
) how
);
3365 return ShowWindow (hwnd
, how
);
3370 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3371 int x
, int y
, int cx
, int cy
, UINT flags
)
3373 #ifndef ATTACH_THREADS
3375 pos
.hwndInsertAfter
= hwndAfter
;
3381 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3383 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3388 my_set_focus (f
, hwnd
)
3392 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3397 my_set_foreground_window (hwnd
)
3400 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3405 my_destroy_window (f
, hwnd
)
3409 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3413 /* Create a scroll bar and return the scroll bar vector for it. W is
3414 the Emacs window on which to create the scroll bar. TOP, LEFT,
3415 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3418 static struct scroll_bar
*
3419 x_scroll_bar_create (w
, top
, left
, width
, height
)
3421 int top
, left
, width
, height
;
3423 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3426 struct scroll_bar
*bar
3427 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3431 XSETWINDOW (bar
->window
, w
);
3432 XSETINT (bar
->top
, top
);
3433 XSETINT (bar
->left
, left
);
3434 XSETINT (bar
->width
, width
);
3435 XSETINT (bar
->height
, height
);
3436 XSETINT (bar
->start
, 0);
3437 XSETINT (bar
->end
, 0);
3438 bar
->dragging
= Qnil
;
3439 bar
->fringe_extended_p
= Qnil
;
3441 /* Requires geometry to be set before call to create the real window */
3443 hwnd
= my_create_scrollbar (f
, bar
);
3445 si
.cbSize
= sizeof (si
);
3448 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3449 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3453 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3455 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3457 /* Add bar to its frame's list of scroll bars. */
3458 bar
->next
= FRAME_SCROLL_BARS (f
);
3460 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3461 if (! NILP (bar
->next
))
3462 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3470 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3474 x_scroll_bar_remove (bar
)
3475 struct scroll_bar
*bar
;
3477 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3481 /* Destroy the window. */
3482 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3484 /* Disassociate this scroll bar from its window. */
3485 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3490 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3491 that we are displaying PORTION characters out of a total of WHOLE
3492 characters, starting at POSITION. If WINDOW has no scroll bar,
3495 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3497 int portion
, whole
, position
;
3499 struct frame
*f
= XFRAME (w
->frame
);
3500 struct scroll_bar
*bar
;
3501 int top
, height
, left
, sb_left
, width
, sb_width
;
3502 int window_y
, window_height
;
3503 int fringe_extended_p
;
3505 /* Get window dimensions. */
3506 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3508 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3509 height
= window_height
;
3511 /* Compute the left edge of the scroll bar area. */
3512 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3514 /* Compute the width of the scroll bar which might be less than
3515 the width of the area reserved for the scroll bar. */
3516 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3517 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3521 /* Compute the left edge of the scroll bar. */
3522 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3523 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3525 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3527 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3528 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3529 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3530 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3531 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3533 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3534 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3535 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3536 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3538 /* Does the scroll bar exist yet? */
3539 if (NILP (w
->vertical_scroll_bar
))
3543 if (width
> 0 && height
> 0)
3545 hdc
= get_frame_dc (f
);
3546 if (fringe_extended_p
)
3547 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3549 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3550 release_frame_dc (f
, hdc
);
3554 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3558 /* It may just need to be moved and resized. */
3561 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3562 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3564 /* If already correctly positioned, do nothing. */
3565 if ( XINT (bar
->left
) == sb_left
3566 && XINT (bar
->top
) == top
3567 && XINT (bar
->width
) == sb_width
3568 && XINT (bar
->height
) == height
3569 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3571 /* Redraw after clear_frame. */
3572 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3573 InvalidateRect (hwnd
, NULL
, FALSE
);
3581 if (width
&& height
)
3583 hdc
= get_frame_dc (f
);
3584 /* Since Windows scroll bars are smaller than the space reserved
3585 for them on the frame, we have to clear "under" them. */
3586 if (fringe_extended_p
)
3587 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3589 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3590 release_frame_dc (f
, hdc
);
3592 /* Make sure scroll bar is "visible" before moving, to ensure the
3593 area of the parent window now exposed will be refreshed. */
3594 my_show_window (f
, hwnd
, SW_HIDE
);
3595 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3596 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3597 max (height
, 1), TRUE
);
3599 si
.cbSize
= sizeof (si
);
3600 si
.fMask
= SIF_RANGE
;
3602 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3603 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3605 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3607 my_show_window (f
, hwnd
, SW_NORMAL
);
3608 /* InvalidateRect (w, NULL, FALSE); */
3610 /* Remember new settings. */
3611 XSETINT (bar
->left
, sb_left
);
3612 XSETINT (bar
->top
, top
);
3613 XSETINT (bar
->width
, sb_width
);
3614 XSETINT (bar
->height
, height
);
3619 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3621 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3623 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3627 /* The following three hooks are used when we're doing a thorough
3628 redisplay of the frame. We don't explicitly know which scroll bars
3629 are going to be deleted, because keeping track of when windows go
3630 away is a real pain - "Can you say set-window-configuration, boys
3631 and girls?" Instead, we just assert at the beginning of redisplay
3632 that *all* scroll bars are to be removed, and then save a scroll bar
3633 from the fiery pit when we actually redisplay its window. */
3635 /* Arrange for all scroll bars on FRAME to be removed at the next call
3636 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3637 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3640 w32_condemn_scroll_bars (frame
)
3643 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3644 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3647 bar
= FRAME_SCROLL_BARS (frame
);
3648 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3649 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3650 XSCROLL_BAR (bar
)->prev
= Qnil
;
3651 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3652 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3653 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3658 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3659 Note that WINDOW isn't necessarily condemned at all. */
3662 w32_redeem_scroll_bar (window
)
3663 struct window
*window
;
3665 struct scroll_bar
*bar
;
3668 /* We can't redeem this window's scroll bar if it doesn't have one. */
3669 if (NILP (window
->vertical_scroll_bar
))
3672 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3674 /* Unlink it from the condemned list. */
3675 f
= XFRAME (WINDOW_FRAME (window
));
3676 if (NILP (bar
->prev
))
3678 /* If the prev pointer is nil, it must be the first in one of
3680 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3681 /* It's not condemned. Everything's fine. */
3683 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3684 window
->vertical_scroll_bar
))
3685 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3687 /* If its prev pointer is nil, it must be at the front of
3688 one or the other! */
3692 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3694 if (! NILP (bar
->next
))
3695 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3697 bar
->next
= FRAME_SCROLL_BARS (f
);
3699 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3700 if (! NILP (bar
->next
))
3701 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3704 /* Remove all scroll bars on FRAME that haven't been saved since the
3705 last call to `*condemn_scroll_bars_hook'. */
3708 w32_judge_scroll_bars (f
)
3711 Lisp_Object bar
, next
;
3713 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3715 /* Clear out the condemned list now so we won't try to process any
3716 more events on the hapless scroll bars. */
3717 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3719 for (; ! NILP (bar
); bar
= next
)
3721 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3723 x_scroll_bar_remove (b
);
3726 b
->next
= b
->prev
= Qnil
;
3729 /* Now there should be no references to the condemned scroll bars,
3730 and they should get garbage-collected. */
3733 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3734 is set to something other than NO_EVENT, it is enqueued.
3736 This may be called from a signal handler, so we have to ignore GC
3740 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3741 struct scroll_bar
*bar
;
3743 struct input_event
*emacs_event
;
3745 if (! WINDOWP (bar
->window
))
3748 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3749 emacs_event
->code
= 0;
3750 /* not really meaningful to distinguish up/down */
3751 emacs_event
->modifiers
= msg
->dwModifiers
;
3752 emacs_event
->frame_or_window
= bar
->window
;
3753 emacs_event
->arg
= Qnil
;
3754 emacs_event
->timestamp
= msg
->msg
.time
;
3757 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3759 int dragging
= !NILP (bar
->dragging
);
3762 si
.cbSize
= sizeof (si
);
3765 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3768 bar
->dragging
= Qnil
;
3771 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3773 switch (LOWORD (msg
->msg
.wParam
))
3776 emacs_event
->part
= scroll_bar_down_arrow
;
3779 emacs_event
->part
= scroll_bar_up_arrow
;
3782 emacs_event
->part
= scroll_bar_above_handle
;
3785 emacs_event
->part
= scroll_bar_below_handle
;
3788 emacs_event
->part
= scroll_bar_handle
;
3792 emacs_event
->part
= scroll_bar_handle
;
3796 case SB_THUMBPOSITION
:
3797 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3798 y
= HIWORD (msg
->msg
.wParam
);
3800 emacs_event
->part
= scroll_bar_handle
;
3802 /* "Silently" update current position. */
3806 si
.cbSize
= sizeof (si
);
3809 /* Remember apparent position (we actually lag behind the real
3810 position, so don't set that directly. */
3811 last_scroll_bar_drag_pos
= y
;
3813 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3817 /* If this is the end of a drag sequence, then reset the scroll
3818 handle size to normal and do a final redraw. Otherwise do
3823 int start
= XINT (bar
->start
);
3824 int end
= XINT (bar
->end
);
3826 si
.cbSize
= sizeof (si
);
3827 si
.fMask
= SIF_PAGE
| SIF_POS
;
3828 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3829 si
.nPos
= last_scroll_bar_drag_pos
;
3830 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3834 emacs_event
->kind
= NO_EVENT
;
3838 XSETINT (emacs_event
->x
, y
);
3839 XSETINT (emacs_event
->y
, top_range
);
3845 /* Return information to the user about the current position of the mouse
3846 on the scroll bar. */
3849 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
3851 Lisp_Object
*bar_window
;
3852 enum scroll_bar_part
*part
;
3854 unsigned long *time
;
3856 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3857 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3858 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3860 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3866 *bar_window
= bar
->window
;
3868 si
.cbSize
= sizeof (si
);
3869 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3871 GetScrollInfo (w
, SB_CTL
, &si
);
3873 top_range
= si
.nMax
- si
.nPage
+ 1;
3875 switch (LOWORD (last_mouse_scroll_bar_pos
))
3877 case SB_THUMBPOSITION
:
3879 *part
= scroll_bar_handle
;
3880 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3881 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3884 *part
= scroll_bar_handle
;
3888 *part
= scroll_bar_handle
;
3893 XSETINT (*y
, top_range
);
3896 last_mouse_scroll_bar
= Qnil
;
3898 *time
= last_mouse_movement_time
;
3904 /* The screen has been cleared so we may have changed foreground or
3905 background colors, and the scroll bars may need to be redrawn.
3906 Clear out the scroll bars, and ask for expose events, so we can
3910 x_scroll_bar_clear (f
)
3915 /* We can have scroll bars even if this is 0,
3916 if we just turned off scroll bar mode.
3917 But in that case we should not clear them. */
3918 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
3919 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3920 bar
= XSCROLL_BAR (bar
)->next
)
3922 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
3923 HDC hdc
= GetDC (window
);
3926 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
3927 arranges to refresh the scroll bar if hidden. */
3928 my_show_window (f
, window
, SW_HIDE
);
3930 GetClientRect (window
, &rect
);
3931 select_palette (f
, hdc
);
3932 w32_clear_rect (f
, hdc
, &rect
);
3933 deselect_palette (f
, hdc
);
3935 ReleaseDC (window
, hdc
);
3940 /* The main W32 event-reading loop - w32_read_socket. */
3942 /* Record the last 100 characters stored
3943 to help debug the loss-of-chars-during-GC problem. */
3945 static int temp_index
;
3946 static short temp_buffer
[100];
3948 /* Temporarily store lead byte of DBCS input sequences. */
3949 static char dbcs_lead
= 0;
3951 /* Read events coming from the W32 shell.
3952 This routine is called by the SIGIO handler.
3953 We return as soon as there are no more events to be read.
3955 We return the number of characters stored into the buffer,
3956 thus pretending to be `read'.
3958 EXPECTED is nonzero if the caller knows input is available.
3960 Some of these messages are reposted back to the message queue since the
3961 system calls the windows proc directly in a context where we cannot return
3962 the data nor can we guarantee the state we are in. So if we dispatch them
3963 we will get into an infinite loop. To prevent this from ever happening we
3964 will set a variable to indicate we are in the read_socket call and indicate
3965 which message we are processing since the windows proc gets called
3966 recursively with different messages by the system.
3970 w32_read_socket (sd
, expected
, hold_quit
)
3973 struct input_event
*hold_quit
;
3976 int check_visibility
= 0;
3979 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
3981 if (interrupt_input_blocked
)
3983 interrupt_input_pending
= 1;
3987 interrupt_input_pending
= 0;
3990 /* So people can tell when we have read the available input. */
3991 input_signal_count
++;
3993 /* TODO: ghostscript integration. */
3994 while (get_next_msg (&msg
, FALSE
))
3996 struct input_event inev
;
4000 inev
.kind
= NO_EVENT
;
4003 switch (msg
.msg
.message
)
4006 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4010 if (msg
.rect
.right
== msg
.rect
.left
||
4011 msg
.rect
.bottom
== msg
.rect
.top
)
4013 /* We may get paint messages even though the client
4014 area is clipped - these are not expose events. */
4015 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4018 else if (f
->async_visible
!= 1)
4020 /* Definitely not obscured, so mark as visible. */
4021 f
->async_visible
= 1;
4022 f
->async_iconified
= 0;
4023 SET_FRAME_GARBAGED (f
);
4024 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4027 /* WM_PAINT serves as MapNotify as well, so report
4028 visibility changes properly. */
4031 inev
.kind
= DEICONIFY_EVENT
;
4032 XSETFRAME (inev
.frame_or_window
, f
);
4034 else if (! NILP (Vframe_list
)
4035 && ! NILP (XCDR (Vframe_list
)))
4036 /* Force a redisplay sooner or later to update the
4037 frame titles in case this is the second frame. */
4038 record_asynch_buffer_change ();
4042 HDC hdc
= get_frame_dc (f
);
4044 /* Erase background again for safety. */
4045 w32_clear_rect (f
, hdc
, &msg
.rect
);
4046 release_frame_dc (f
, hdc
);
4050 msg
.rect
.right
- msg
.rect
.left
,
4051 msg
.rect
.bottom
- msg
.rect
.top
);
4056 case WM_INPUTLANGCHANGE
:
4057 /* Generate a language change event. */
4058 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4062 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4063 XSETFRAME (inev
.frame_or_window
, f
);
4064 inev
.code
= msg
.msg
.wParam
;
4065 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4071 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4073 if (f
&& !f
->iconified
)
4075 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4076 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4078 clear_mouse_face (dpyinfo
);
4079 dpyinfo
->mouse_face_hidden
= 1;
4082 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4084 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4085 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4086 inev
.code
= msg
.msg
.wParam
;
4087 inev
.modifiers
= msg
.dwModifiers
;
4088 XSETFRAME (inev
.frame_or_window
, f
);
4089 inev
.timestamp
= msg
.msg
.time
;
4096 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4098 if (f
&& !f
->iconified
)
4100 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4101 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4103 clear_mouse_face (dpyinfo
);
4104 dpyinfo
->mouse_face_hidden
= 1;
4107 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4109 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4111 inev
.modifiers
= msg
.dwModifiers
;
4112 XSETFRAME (inev
.frame_or_window
, f
);
4113 inev
.timestamp
= msg
.msg
.time
;
4115 if (msg
.msg
.message
== WM_UNICHAR
)
4117 inev
.code
= msg
.msg
.wParam
;
4119 else if (msg
.msg
.wParam
< 256)
4124 dbcs
[1] = (char) msg
.msg
.wParam
;
4128 dbcs
[0] = dbcs_lead
;
4130 if (!MultiByteToWideChar (CP_ACP
, 0, dbcs
, 2, &code
, 1))
4133 DebPrint (("Invalid DBCS sequence: %d %d\n",
4135 inev
.kind
= NO_EVENT
;
4139 else if (IsDBCSLeadByteEx (CP_ACP
, (BYTE
) msg
.msg
.wParam
))
4141 dbcs_lead
= (char) msg
.msg
.wParam
;
4142 inev
.kind
= NO_EVENT
;
4147 if (!MultiByteToWideChar (CP_ACP
, 0, &dbcs
[1], 1,
4150 /* What to do with garbage? */
4151 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4152 inev
.kind
= NO_EVENT
;
4160 /* Windows shouldn't generate WM_CHAR events above 0xFF
4161 in non-Unicode message handlers. */
4162 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4163 inev
.kind
= NO_EVENT
;
4166 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4167 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4172 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4174 if (f
&& !f
->iconified
)
4176 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4177 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4179 clear_mouse_face (dpyinfo
);
4180 dpyinfo
->mouse_face_hidden
= 1;
4183 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4185 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4186 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4187 inev
.code
= GET_APPCOMMAND_LPARAM(msg
.msg
.lParam
);
4188 inev
.modifiers
= msg
.dwModifiers
;
4189 XSETFRAME (inev
.frame_or_window
, f
);
4190 inev
.timestamp
= msg
.msg
.time
;
4195 /* Ignore non-movement. */
4197 int x
= LOWORD (msg
.msg
.lParam
);
4198 int y
= HIWORD (msg
.msg
.lParam
);
4199 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4201 last_mousemove_x
= x
;
4202 last_mousemove_y
= y
;
4205 previous_help_echo_string
= help_echo_string
;
4206 help_echo_string
= Qnil
;
4208 if (dpyinfo
->grabbed
&& last_mouse_frame
4209 && FRAME_LIVE_P (last_mouse_frame
))
4210 f
= last_mouse_frame
;
4212 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4214 if (dpyinfo
->mouse_face_hidden
)
4216 dpyinfo
->mouse_face_hidden
= 0;
4217 clear_mouse_face (dpyinfo
);
4222 /* Generate SELECT_WINDOW_EVENTs when needed. */
4223 if (!NILP (Vmouse_autoselect_window
))
4226 int x
= LOWORD (msg
.msg
.lParam
);
4227 int y
= HIWORD (msg
.msg
.lParam
);
4229 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4231 /* Window will be selected only when it is not
4232 selected now and last mouse movement event was
4233 not in it. Minibuffer window will be selected
4234 only when it is active. */
4236 && !EQ (window
, last_window
)
4237 && !EQ (window
, selected_window
)
4238 /* For click-to-focus window managers
4239 create event iff we don't leave the
4241 && (focus_follows_mouse
4242 || (EQ (XWINDOW (window
)->frame
,
4243 XWINDOW (selected_window
)->frame
))))
4245 inev
.kind
= SELECT_WINDOW_EVENT
;
4246 inev
.frame_or_window
= window
;
4251 if (!note_mouse_movement (f
, &msg
.msg
))
4252 help_echo_string
= previous_help_echo_string
;
4256 /* If we move outside the frame, then we're
4257 certainly no longer on any text in the frame. */
4258 clear_mouse_face (dpyinfo
);
4261 /* If the contents of the global variable help_echo_string
4262 has changed, generate a HELP_EVENT. */
4263 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4264 But it was originally changed to this to fix a bug, so I have
4265 not removed it completely in case the bug is still there. */
4266 if (help_echo_string
!= previous_help_echo_string
||
4267 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4268 #else /* This is what xterm.c does. */
4269 if (!NILP (help_echo_string
)
4270 || !NILP (previous_help_echo_string
))
4275 case WM_LBUTTONDOWN
:
4277 case WM_MBUTTONDOWN
:
4279 case WM_RBUTTONDOWN
:
4281 case WM_XBUTTONDOWN
:
4284 /* If we decide we want to generate an event to be seen
4285 by the rest of Emacs, we put it here. */
4290 if (dpyinfo
->grabbed
&& last_mouse_frame
4291 && FRAME_LIVE_P (last_mouse_frame
))
4292 f
= last_mouse_frame
;
4294 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4298 construct_mouse_click (&inev
, &msg
, f
);
4300 /* Is this in the tool-bar? */
4301 if (WINDOWP (f
->tool_bar_window
)
4302 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4305 int x
= XFASTINT (inev
.x
);
4306 int y
= XFASTINT (inev
.y
);
4308 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4310 if (EQ (window
, f
->tool_bar_window
))
4312 w32_handle_tool_bar_click (f
, &inev
);
4318 || (dpyinfo
->w32_focus_frame
4319 && f
!= dpyinfo
->w32_focus_frame
))
4320 inev
.kind
= NO_EVENT
;
4323 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4328 dpyinfo
->grabbed
&= ~ (1 << button
);
4332 dpyinfo
->grabbed
|= (1 << button
);
4333 last_mouse_frame
= f
;
4334 /* Ignore any mouse motion that happened
4335 before this event; any subsequent mouse-movement
4336 Emacs events should reflect only motion after
4342 last_tool_bar_item
= -1;
4348 case WM_MOUSEHWHEEL
:
4350 if (dpyinfo
->grabbed
&& last_mouse_frame
4351 && FRAME_LIVE_P (last_mouse_frame
))
4352 f
= last_mouse_frame
;
4354 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4359 if (!dpyinfo
->w32_focus_frame
4360 || f
== dpyinfo
->w32_focus_frame
)
4362 /* Emit an Emacs wheel-up/down event. */
4363 construct_mouse_wheel (&inev
, &msg
, f
);
4365 /* Ignore any mouse motion that happened before this
4366 event; any subsequent mouse-movement Emacs events
4367 should reflect only motion after the
4371 last_mouse_frame
= f
;
4372 last_tool_bar_item
= -1;
4377 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4380 construct_drag_n_drop (&inev
, &msg
, f
);
4385 struct scroll_bar
*bar
=
4386 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4389 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4393 case WM_WINDOWPOSCHANGED
:
4394 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4397 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4398 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4400 check_visibility
= 1;
4404 case WM_ACTIVATEAPP
:
4405 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4407 x_check_fullscreen (f
);
4408 check_visibility
= 1;
4412 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4414 if (f
&& !f
->async_iconified
)
4418 x_real_positions (f
, &x
, &y
);
4423 check_visibility
= 1;
4427 /* wParam non-zero means Window is about to be shown, 0 means
4428 about to be hidden. */
4429 /* Redo the mouse-highlight after the tooltip has gone. */
4430 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4433 redo_mouse_highlight ();
4436 /* If window has been obscured or exposed by another window
4437 being maximised or minimised/restored, then recheck
4438 visibility of all frames. Direct changes to our own
4439 windows get handled by WM_SIZE. */
4441 if (msg
.msg
.lParam
!= 0)
4442 check_visibility
= 1;
4445 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4446 f
->async_visible
= msg
.msg
.wParam
;
4450 check_visibility
= 1;
4454 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4456 /* Inform lisp of whether frame has been iconified etc. */
4459 switch (msg
.msg
.wParam
)
4461 case SIZE_MINIMIZED
:
4462 f
->async_visible
= 0;
4463 f
->async_iconified
= 1;
4465 inev
.kind
= ICONIFY_EVENT
;
4466 XSETFRAME (inev
.frame_or_window
, f
);
4469 case SIZE_MAXIMIZED
:
4471 f
->async_visible
= 1;
4472 f
->async_iconified
= 0;
4474 /* wait_reading_process_output will notice this and update
4475 the frame's display structures. */
4476 SET_FRAME_GARBAGED (f
);
4482 /* Reset top and left positions of the Window
4483 here since Windows sends a WM_MOVE message
4484 BEFORE telling us the Window is minimized
4485 when the Window is iconified, with 3000,3000
4487 x_real_positions (f
, &x
, &y
);
4491 inev
.kind
= DEICONIFY_EVENT
;
4492 XSETFRAME (inev
.frame_or_window
, f
);
4494 else if (! NILP (Vframe_list
)
4495 && ! NILP (XCDR (Vframe_list
)))
4496 /* Force a redisplay sooner or later
4497 to update the frame titles
4498 in case this is the second frame. */
4499 record_asynch_buffer_change ();
4504 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4512 GetClientRect (msg
.msg
.hwnd
, &rect
);
4514 height
= rect
.bottom
- rect
.top
;
4515 width
= rect
.right
- rect
.left
;
4517 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4518 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4520 /* TODO: Clip size to the screen dimensions. */
4522 /* Even if the number of character rows and columns has
4523 not changed, the font size may have changed, so we need
4524 to check the pixel dimensions as well. */
4526 if (columns
!= FRAME_COLS (f
)
4527 || rows
!= FRAME_LINES (f
)
4528 || width
!= FRAME_PIXEL_WIDTH (f
)
4529 || height
!= FRAME_PIXEL_HEIGHT (f
))
4531 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4532 SET_FRAME_GARBAGED (f
);
4533 cancel_mouse_face (f
);
4534 FRAME_PIXEL_WIDTH (f
) = width
;
4535 FRAME_PIXEL_HEIGHT (f
) = height
;
4536 f
->win_gravity
= NorthWestGravity
;
4540 check_visibility
= 1;
4544 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4547 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4549 /* If we move outside the frame, then we're
4550 certainly no longer on any text in the frame. */
4551 clear_mouse_face (dpyinfo
);
4552 dpyinfo
->mouse_face_mouse_frame
= 0;
4555 /* Generate a nil HELP_EVENT to cancel a help-echo.
4556 Do it only if there's something to cancel.
4557 Otherwise, the startup message is cleared when
4558 the mouse leaves the frame. */
4559 if (any_help_event_p
)
4565 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4567 dpyinfo
->grabbed
= 0;
4568 check_visibility
= 1;
4572 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4576 if (f
== dpyinfo
->w32_focus_event_frame
)
4577 dpyinfo
->w32_focus_event_frame
= 0;
4579 if (f
== dpyinfo
->w32_focus_frame
)
4580 x_new_focus_frame (dpyinfo
, 0);
4582 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4584 /* If we move outside the frame, then we're
4585 certainly no longer on any text in the frame. */
4586 clear_mouse_face (dpyinfo
);
4587 dpyinfo
->mouse_face_mouse_frame
= 0;
4590 /* Generate a nil HELP_EVENT to cancel a help-echo.
4591 Do it only if there's something to cancel.
4592 Otherwise, the startup message is cleared when
4593 the mouse leaves the frame. */
4594 if (any_help_event_p
)
4598 dpyinfo
->grabbed
= 0;
4599 check_visibility
= 1;
4603 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4607 inev
.kind
= DELETE_WINDOW_EVENT
;
4608 XSETFRAME (inev
.frame_or_window
, f
);
4613 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4617 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4618 XSETFRAME (inev
.frame_or_window
, f
);
4623 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4627 extern void menubar_selection_callback
4628 (FRAME_PTR f
, void * client_data
);
4629 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4632 check_visibility
= 1;
4635 case WM_DISPLAYCHANGE
:
4636 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4640 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4641 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4642 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4643 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4647 check_visibility
= 1;
4651 /* Check for messages registered at runtime. */
4652 if (msg
.msg
.message
== msh_mousewheel
)
4654 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4655 msg
.msg
.message
= WM_MOUSEWHEEL
;
4661 if (inev
.kind
!= NO_EVENT
)
4663 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4668 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4673 XSETFRAME (frame
, f
);
4679 if (NILP (help_echo_string
))
4681 help_echo_object
= help_echo_window
= Qnil
;
4685 any_help_event_p
= 1;
4686 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4687 help_echo_object
, help_echo_pos
);
4691 help_echo_string
= Qnil
;
4692 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4698 /* If the focus was just given to an autoraising frame,
4700 /* ??? This ought to be able to handle more than one such frame. */
4701 if (pending_autoraise_frame
)
4703 x_raise_frame (pending_autoraise_frame
);
4704 pending_autoraise_frame
= 0;
4707 /* Check which frames are still visisble, if we have enqueued any user
4708 events or been notified of events that may affect visibility. We
4709 do this here because there doesn't seem to be any direct
4710 notification from Windows that the visibility of a window has
4711 changed (at least, not in all cases). */
4712 if (count
> 0 || check_visibility
)
4714 Lisp_Object tail
, frame
;
4716 FOR_EACH_FRAME (tail
, frame
)
4718 FRAME_PTR f
= XFRAME (frame
);
4719 /* The tooltip has been drawn already. Avoid the
4720 SET_FRAME_GARBAGED below. */
4721 if (EQ (frame
, tip_frame
))
4724 /* Check "visible" frames and mark each as obscured or not.
4725 Note that async_visible is nonzero for unobscured and
4726 obscured frames, but zero for hidden and iconified frames. */
4727 if (FRAME_W32_P (f
) && f
->async_visible
)
4733 /* Query clipping rectangle for the entire window area
4734 (GetWindowDC), not just the client portion (GetDC).
4735 Otherwise, the scrollbars and menubar aren't counted as
4736 part of the visible area of the frame, and we may think
4737 the frame is obscured when really a scrollbar is still
4738 visible and gets WM_PAINT messages above. */
4739 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4740 GetClipBox (hdc
, &clipbox
);
4741 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4744 if (clipbox
.right
== clipbox
.left
4745 || clipbox
.bottom
== clipbox
.top
)
4747 /* Frame has become completely obscured so mark as
4748 such (we do this by setting async_visible to 2 so
4749 that FRAME_VISIBLE_P is still true, but redisplay
4751 f
->async_visible
= 2;
4753 if (!FRAME_OBSCURED_P (f
))
4755 DebPrint (("frame %p (%s) obscured\n", f
,
4761 /* Frame is not obscured, so mark it as such. */
4762 f
->async_visible
= 1;
4764 if (FRAME_OBSCURED_P (f
))
4766 SET_FRAME_GARBAGED (f
);
4767 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4770 /* Force a redisplay sooner or later. */
4771 record_asynch_buffer_change ();
4784 /***********************************************************************
4786 ***********************************************************************/
4788 /* Set clipping for output in glyph row ROW. W is the window in which
4789 we operate. GC is the graphics context to set clipping in.
4791 ROW may be a text row or, e.g., a mode line. Text rows must be
4792 clipped to the interior of the window dedicated to text display,
4793 mode lines must be clipped to the whole window. */
4796 w32_clip_to_row (w
, row
, area
, hdc
)
4798 struct glyph_row
*row
;
4802 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4804 int window_x
, window_y
, window_width
;
4806 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4808 clip_rect
.left
= window_x
;
4809 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4810 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4811 clip_rect
.right
= clip_rect
.left
+ window_width
;
4812 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4814 w32_set_clip_rectangle (hdc
, &clip_rect
);
4818 /* Draw a hollow box cursor on window W in glyph row ROW. */
4821 x_draw_hollow_cursor (w
, row
)
4823 struct glyph_row
*row
;
4825 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4829 struct glyph
*cursor_glyph
;
4830 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4832 /* Get the glyph the cursor is on. If we can't tell because
4833 the current matrix is invalid or such, give up. */
4834 cursor_glyph
= get_phys_cursor_glyph (w
);
4835 if (cursor_glyph
== NULL
)
4838 /* Compute frame-relative coordinates for phys cursor. */
4839 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4842 rect
.bottom
= rect
.top
+ h
;
4843 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4845 hdc
= get_frame_dc (f
);
4846 /* Set clipping, draw the rectangle, and reset clipping again. */
4847 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4848 FrameRect (hdc
, &rect
, hb
);
4850 w32_set_clip_rectangle (hdc
, NULL
);
4851 release_frame_dc (f
, hdc
);
4855 /* Draw a bar cursor on window W in glyph row ROW.
4857 Implementation note: One would like to draw a bar cursor with an
4858 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4859 Unfortunately, I didn't find a font yet that has this property set.
4863 x_draw_bar_cursor (w
, row
, width
, kind
)
4865 struct glyph_row
*row
;
4867 enum text_cursor_kinds kind
;
4869 struct frame
*f
= XFRAME (w
->frame
);
4870 struct glyph
*cursor_glyph
;
4874 /* If cursor is out of bounds, don't draw garbage. This can happen
4875 in mini-buffer windows when switching between echo area glyphs
4877 cursor_glyph
= get_phys_cursor_glyph (w
);
4878 if (cursor_glyph
== NULL
)
4881 /* If on an image, draw like a normal cursor. That's usually better
4882 visible than drawing a bar, esp. if the image is large so that
4883 the bar might not be in the window. */
4884 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4886 struct glyph_row
*row
;
4887 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4888 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4892 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4893 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4895 /* If the glyph's background equals the color we normally draw
4896 the bar cursor in, the bar cursor in its normal color is
4897 invisible. Use the glyph's foreground color instead in this
4898 case, on the assumption that the glyph's colors are chosen so
4899 that the glyph is legible. */
4900 if (face
->background
== cursor_color
)
4901 cursor_color
= face
->foreground
;
4903 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4906 width
= FRAME_CURSOR_WIDTH (f
);
4907 width
= min (cursor_glyph
->pixel_width
, width
);
4909 w
->phys_cursor_width
= width
;
4912 hdc
= get_frame_dc (f
);
4913 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4915 if (kind
== BAR_CURSOR
)
4917 w32_fill_area (f
, hdc
, cursor_color
, x
,
4918 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
4919 width
, row
->height
);
4923 w32_fill_area (f
, hdc
, cursor_color
, x
,
4924 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
4925 row
->height
- width
),
4926 cursor_glyph
->pixel_width
, width
);
4929 w32_set_clip_rectangle (hdc
, NULL
);
4930 release_frame_dc (f
, hdc
);
4935 /* RIF: Define cursor CURSOR on frame F. */
4938 w32_define_frame_cursor (f
, cursor
)
4942 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
4946 /* RIF: Clear area on frame F. */
4949 w32_clear_frame_area (f
, x
, y
, width
, height
)
4951 int x
, y
, width
, height
;
4955 hdc
= get_frame_dc (f
);
4956 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
4957 release_frame_dc (f
, hdc
);
4960 /* RIF: Draw or clear cursor on window W. */
4963 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
4965 struct glyph_row
*glyph_row
;
4967 int cursor_type
, cursor_width
;
4972 /* If the user wants to use the system caret, make sure our own
4973 cursor remains invisible. */
4974 if (w32_use_visible_system_caret
)
4976 /* Call to erase_phys_cursor here seems to use the
4977 wrong values of w->phys_cursor, as they have been
4978 overwritten before this function was called. */
4979 if (w
->phys_cursor_type
!= NO_CURSOR
)
4980 erase_phys_cursor (w
);
4982 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
4983 w
->phys_cursor_width
= -1;
4987 w
->phys_cursor_type
= cursor_type
;
4990 w
->phys_cursor_on_p
= 1;
4992 /* If this is the active cursor, we need to track it with the
4993 system caret, so third party software like screen magnifiers
4994 and speech synthesizers can follow the cursor. */
4997 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4998 HWND hwnd
= FRAME_W32_WINDOW (f
);
5001 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5003 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5004 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5006 /* If the size of the active cursor changed, destroy the old
5008 if (w32_system_caret_hwnd
5009 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5010 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5012 w32_system_caret_height
= w
->phys_cursor_height
;
5014 /* Move the system caret. */
5015 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5018 if (glyph_row
->exact_window_width_line_p
5019 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5021 glyph_row
->cursor_in_fringe_p
= 1;
5022 draw_fringe_bitmap (w
, glyph_row
, 0);
5026 switch (cursor_type
)
5028 case HOLLOW_BOX_CURSOR
:
5029 x_draw_hollow_cursor (w
, glyph_row
);
5032 case FILLED_BOX_CURSOR
:
5033 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5037 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5041 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5045 w
->phys_cursor_width
= 0;
5059 x_bitmap_icon (f
, icon
)
5064 HANDLE small_icon
= NULL
;
5066 if (FRAME_W32_WINDOW (f
) == 0)
5070 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5071 else if (STRINGP (icon
))
5073 /* Load the main icon from the named file. */
5074 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5075 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5076 /* Try to load a small icon to go with it. */
5077 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5078 GetSystemMetrics (SM_CXSMICON
),
5079 GetSystemMetrics (SM_CYSMICON
),
5082 else if (SYMBOLP (icon
))
5086 if (EQ (icon
, intern ("application")))
5087 name
= (LPCTSTR
) IDI_APPLICATION
;
5088 else if (EQ (icon
, intern ("hand")))
5089 name
= (LPCTSTR
) IDI_HAND
;
5090 else if (EQ (icon
, intern ("question")))
5091 name
= (LPCTSTR
) IDI_QUESTION
;
5092 else if (EQ (icon
, intern ("exclamation")))
5093 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5094 else if (EQ (icon
, intern ("asterisk")))
5095 name
= (LPCTSTR
) IDI_ASTERISK
;
5096 else if (EQ (icon
, intern ("winlogo")))
5097 name
= (LPCTSTR
) IDI_WINLOGO
;
5101 main_icon
= LoadIcon (NULL
, name
);
5106 if (main_icon
== NULL
)
5109 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5110 (LPARAM
) main_icon
);
5112 /* If there is a small icon that goes with it, set that too. */
5114 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5115 (LPARAM
) small_icon
);
5121 /************************************************************************
5123 ************************************************************************/
5125 /* Display Error Handling functions not used on W32. Listing them here
5126 helps diff stay in step when comparing w32term.c with xterm.c.
5128 x_error_catcher (display, error)
5129 x_catch_errors (dpy)
5130 x_catch_errors_unwind (old_val)
5131 x_check_errors (dpy, format)
5132 x_fully_uncatch_errors ()
5133 x_catching_errors ()
5134 x_had_errors_p (dpy)
5135 x_clear_errors (dpy)
5136 x_uncatch_errors (dpy, count)
5138 x_connection_signal (signalnum)
5139 x_connection_closed (dpy, error_message)
5140 x_error_quitter (display, error)
5141 x_error_handler (display, error)
5142 x_io_error_quitter (display)
5147 /* Changing the font of the frame. */
5150 x_new_font (f
, font_object
, fontset
)
5152 Lisp_Object font_object
;
5155 struct font
*font
= XFONT_OBJECT (font_object
);
5158 fontset
= fontset_from_font (font_object
);
5159 FRAME_FONTSET (f
) = fontset
;
5160 if (FRAME_FONT (f
) == font
)
5161 /* This font is already set in frame F. There's nothing more to
5163 return fontset_name (fontset
);
5167 FRAME_FONT (f
) = font
;
5168 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5169 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5170 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5171 FRAME_LINE_HEIGHT (f
) = font
->height
;
5173 compute_fringe_widths (f
, 1);
5175 /* Compute the scroll bar width in character columns. */
5176 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5178 int wid
= FRAME_COLUMN_WIDTH (f
);
5179 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5180 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5184 int wid
= FRAME_COLUMN_WIDTH (f
);
5185 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5188 /* Now make the frame display the given font. */
5189 if (FRAME_X_WINDOW (f
) != 0)
5191 /* Don't change the size of a tip frame; there's no point in
5192 doing it because it's done in Fx_show_tip, and it leads to
5193 problems because the tip frame has no widget. */
5194 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5195 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5200 && (FRAME_XIC_STYLE (f
) & (XIMPreeditPosition
| XIMStatusArea
)))
5201 xic_set_xfontset (f
, SDATA (fontset_ascii (fontset
)));
5206 return fontset_name (fontset
);
5210 /***********************************************************************
5211 TODO: W32 Input Methods
5212 ***********************************************************************/
5213 /* Listing missing functions from xterm.c helps diff stay in step.
5215 xim_destroy_callback (xim, client_data, call_data)
5216 xim_open_dpy (dpyinfo, resource_name)
5218 xim_instantiate_callback (display, client_data, call_data)
5219 xim_initialize (dpyinfo, resource_name)
5220 xim_close_dpy (dpyinfo)
5225 /* Calculate the absolute position in frame F
5226 from its current recorded position values and gravity. */
5229 x_calc_absolute_position (f
)
5232 int flags
= f
->size_hint_flags
;
5234 /* The sum of the widths of the frame's left and right borders, and
5235 the sum of the heights of the frame's top and bottom borders (in
5236 pixels) drawn by Windows. */
5237 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5239 /* Try to get the actual values of these two variables. We compute
5240 the border width (height) by subtracting the width (height) of
5241 the frame's client area from the width (height) of the frame's
5243 WINDOWPLACEMENT wp
= { 0 };
5244 RECT client_rect
= { 0 };
5246 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5247 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5249 left_right_borders_width
=
5250 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5251 (client_rect
.right
- client_rect
.left
);
5253 top_bottom_borders_height
=
5254 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5255 (client_rect
.bottom
- client_rect
.top
);
5259 /* Use sensible default values. */
5260 left_right_borders_width
= 8;
5261 top_bottom_borders_height
= 32;
5264 /* Treat negative positions as relative to the rightmost bottommost
5265 position that fits on the screen. */
5266 if (flags
& XNegative
)
5267 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5268 - FRAME_PIXEL_WIDTH (f
)
5270 - (left_right_borders_width
- 1));
5272 if (flags
& YNegative
)
5273 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5274 - FRAME_PIXEL_HEIGHT (f
)
5276 - (top_bottom_borders_height
- 1));
5278 /* The left_pos and top_pos are now relative to the top and left
5279 screen edges, so the flags should correspond. */
5280 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5283 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5284 to really change the position, and 0 when calling from
5285 x_make_frame_visible (in that case, XOFF and YOFF are the current
5286 position values). It is -1 when calling from x_set_frame_parameters,
5287 which means, do adjust for borders but don't change the gravity. */
5290 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5292 register int xoff
, yoff
;
5295 int modified_top
, modified_left
;
5297 if (change_gravity
> 0)
5301 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5303 f
->size_hint_flags
|= XNegative
;
5305 f
->size_hint_flags
|= YNegative
;
5306 f
->win_gravity
= NorthWestGravity
;
5308 x_calc_absolute_position (f
);
5311 x_wm_set_size_hint (f
, (long) 0, 0);
5313 modified_left
= f
->left_pos
;
5314 modified_top
= f
->top_pos
;
5316 my_set_window_pos (FRAME_W32_WINDOW (f
),
5318 modified_left
, modified_top
,
5320 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5325 /* Check if we need to resize the frame due to a fullscreen request.
5326 If so needed, resize the frame. */
5328 x_check_fullscreen (f
)
5331 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5333 int width
, height
, ign
;
5335 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5337 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5339 /* We do not need to move the window, it shall be taken care of
5340 when setting WM manager hints. */
5341 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5343 change_frame_size (f
, height
, width
, 0, 1, 0);
5344 SET_FRAME_GARBAGED (f
);
5345 cancel_mouse_face (f
);
5347 /* Wait for the change of frame size to occur */
5348 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5353 /* Call this to change the size of frame F's x-window.
5354 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5355 for this size change and subsequent size changes.
5356 Otherwise we leave the window gravity unchanged. */
5359 x_set_window_size (f
, change_gravity
, cols
, rows
)
5364 int pixelwidth
, pixelheight
;
5368 check_frame_size (f
, &rows
, &cols
);
5369 f
->scroll_bar_actual_width
5370 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5372 compute_fringe_widths (f
, 0);
5374 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5375 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5377 f
->win_gravity
= NorthWestGravity
;
5378 x_wm_set_size_hint (f
, (long) 0, 0);
5383 rect
.left
= rect
.top
= 0;
5384 rect
.right
= pixelwidth
;
5385 rect
.bottom
= pixelheight
;
5387 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5388 FRAME_EXTERNAL_MENU_BAR (f
));
5390 my_set_window_pos (FRAME_W32_WINDOW (f
),
5393 rect
.right
- rect
.left
,
5394 rect
.bottom
- rect
.top
,
5395 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5399 /* The following mirrors what is done in xterm.c. It appears to be
5400 for informing lisp of the new size immediately, while the actual
5401 resize will happen asynchronously. But on Windows, the menu bar
5402 automatically wraps when the frame is too narrow to contain it,
5403 and that causes any calculations made here to come out wrong. The
5404 end is some nasty buggy behaviour, including the potential loss
5407 Disabling this code is either not sufficient to fix the problems
5408 completely, or it causes fresh problems, but at least it removes
5409 the most problematic symptom of the minibuffer becoming unusable.
5411 -----------------------------------------------------------------
5413 Now, strictly speaking, we can't be sure that this is accurate,
5414 but the window manager will get around to dealing with the size
5415 change request eventually, and we'll hear how it went when the
5416 ConfigureNotify event gets here.
5418 We could just not bother storing any of this information here,
5419 and let the ConfigureNotify event set everything up, but that
5420 might be kind of confusing to the Lisp code, since size changes
5421 wouldn't be reported in the frame parameters until some random
5422 point in the future when the ConfigureNotify event arrives.
5424 We pass 1 for DELAY since we can't run Lisp code inside of
5426 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5427 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5428 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5430 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5431 receive in the ConfigureNotify event; if we get what we asked
5432 for, then the event won't cause the screen to become garbaged, so
5433 we have to make sure to do it here. */
5434 SET_FRAME_GARBAGED (f
);
5436 /* If cursor was outside the new size, mark it as off. */
5437 mark_window_cursors_off (XWINDOW (f
->root_window
));
5439 /* Clear out any recollection of where the mouse highlighting was,
5440 since it might be in a place that's outside the new frame size.
5441 Actually checking whether it is outside is a pain in the neck,
5442 so don't try--just let the highlighting be done afresh with new size. */
5443 cancel_mouse_face (f
);
5449 /* Mouse warping. */
5451 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5454 x_set_mouse_position (f
, x
, y
)
5460 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5461 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5463 if (pix_x
< 0) pix_x
= 0;
5464 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5466 if (pix_y
< 0) pix_y
= 0;
5467 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5469 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5473 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5482 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5483 pt
.x
= rect
.left
+ pix_x
;
5484 pt
.y
= rect
.top
+ pix_y
;
5485 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5487 SetCursorPos (pt
.x
, pt
.y
);
5493 /* focus shifting, raising and lowering. */
5496 x_focus_on_frame (f
)
5499 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5501 /* Give input focus to frame. */
5504 /* Try not to change its Z-order if possible. */
5505 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5506 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5509 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5519 /* Raise frame F. */
5526 /* Strictly speaking, raise-frame should only change the frame's Z
5527 order, leaving input focus unchanged. This is reasonable behaviour
5528 on X where the usual policy is point-to-focus. However, this
5529 behaviour would be very odd on Windows where the usual policy is
5532 On X, if the mouse happens to be over the raised frame, it gets
5533 input focus anyway (so the window with focus will never be
5534 completely obscured) - if not, then just moving the mouse over it
5535 is sufficient to give it focus. On Windows, the user must actually
5536 click on the frame (preferrably the title bar so as not to move
5537 point), which is more awkward. Also, no other Windows program
5538 raises a window to the top but leaves another window (possibly now
5539 completely obscured) with input focus.
5541 Because there is a system setting on Windows that allows the user
5542 to choose the point to focus policy, we make the strict semantics
5543 optional, but by default we grab focus when raising. */
5545 if (NILP (Vw32_grab_focus_on_raise
))
5547 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5548 not already the foreground application: the frame is raised
5549 above all other frames belonging to us, but not above the
5550 current top window. To achieve that, we have to resort to this
5551 more cumbersome method. */
5553 HDWP handle
= BeginDeferWindowPos (2);
5556 DeferWindowPos (handle
,
5557 FRAME_W32_WINDOW (f
),
5560 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5562 DeferWindowPos (handle
,
5563 GetForegroundWindow (),
5564 FRAME_W32_WINDOW (f
),
5566 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5568 EndDeferWindowPos (handle
);
5573 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5579 /* Lower frame F. */
5585 my_set_window_pos (FRAME_W32_WINDOW (f
),
5588 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5593 w32_frame_raise_lower (f
, raise_flag
)
5597 if (! FRAME_W32_P (f
))
5606 /* Change of visibility. */
5608 /* This tries to wait until the frame is really visible.
5609 However, if the window manager asks the user where to position
5610 the frame, this will return before the user finishes doing that.
5611 The frame will not actually be visible at that time,
5612 but it will become visible later when the window manager
5613 finishes with it. */
5616 x_make_frame_visible (f
)
5623 type
= x_icon_type (f
);
5625 x_bitmap_icon (f
, type
);
5627 if (! FRAME_VISIBLE_P (f
))
5629 /* We test FRAME_GARBAGED_P here to make sure we don't
5630 call x_set_offset a second time
5631 if we get to x_make_frame_visible a second time
5632 before the window gets really visible. */
5633 if (! FRAME_ICONIFIED_P (f
)
5634 && ! f
->output_data
.w32
->asked_for_visible
)
5639 /* Adjust vertical window position in order to avoid being
5640 covered by a task bar placed at the bottom of the desktop. */
5641 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5642 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5643 if (window_rect
.bottom
> workarea_rect
.bottom
5644 && window_rect
.top
> workarea_rect
.top
)
5645 f
->top_pos
= max (window_rect
.top
5646 - window_rect
.bottom
+ workarea_rect
.bottom
,
5649 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5652 f
->output_data
.w32
->asked_for_visible
= 1;
5654 /* The first of these seems to give more expected behavior, but
5655 was added as a commented out line in Sept 1997, with the
5656 second version remaining uncommented. There may have been
5657 some problem with it that led to it not being enabled,
5658 so the old version remains commented out below in case we
5659 decide we need to go back to it [23.0.60 2008-06-09]. */
5660 my_show_window (f
, FRAME_W32_WINDOW (f
),
5661 f
->async_iconified
? SW_RESTORE
: SW_SHOW
);
5662 /* my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); */
5665 /* Synchronize to ensure Emacs knows the frame is visible
5666 before we do anything else. We do this loop with input not blocked
5667 so that incoming events are handled. */
5672 /* This must come after we set COUNT. */
5675 XSETFRAME (frame
, f
);
5677 /* Wait until the frame is visible. Process X events until a
5678 MapNotify event has been seen, or until we think we won't get a
5679 MapNotify at all.. */
5680 for (count
= input_signal_count
+ 10;
5681 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5683 /* Force processing of queued events. */
5684 /* TODO: x_sync equivalent? */
5686 /* Machines that do polling rather than SIGIO have been observed
5687 to go into a busy-wait here. So we'll fake an alarm signal
5688 to let the handler know that there's something to be read.
5689 We used to raise a real alarm, but it seems that the handler
5690 isn't always enabled here. This is probably a bug. */
5691 if (input_polling_used ())
5693 /* It could be confusing if a real alarm arrives while processing
5694 the fake one. Turn it off and let the handler reset it. */
5695 int old_poll_suppress_count
= poll_suppress_count
;
5696 poll_suppress_count
= 1;
5697 poll_for_input_1 ();
5698 poll_suppress_count
= old_poll_suppress_count
;
5701 FRAME_SAMPLE_VISIBILITY (f
);
5705 /* Change from mapped state to withdrawn state. */
5707 /* Make the frame visible (mapped and not iconified). */
5709 x_make_frame_invisible (f
)
5712 /* Don't keep the highlight on an invisible frame. */
5713 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5714 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5718 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5720 /* We can't distinguish this from iconification
5721 just by the event that we get from the server.
5722 So we can't win using the usual strategy of letting
5723 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5724 and synchronize with the server to make sure we agree. */
5726 FRAME_ICONIFIED_P (f
) = 0;
5727 f
->async_visible
= 0;
5728 f
->async_iconified
= 0;
5733 /* Change window state from mapped to iconified. */
5741 /* Don't keep the highlight on an invisible frame. */
5742 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5743 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5745 if (f
->async_iconified
)
5750 type
= x_icon_type (f
);
5752 x_bitmap_icon (f
, type
);
5754 /* Simulate the user minimizing the frame. */
5755 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5761 /* Free X resources of frame F. */
5764 x_free_frame_resources (f
)
5767 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5771 /* We must free faces before destroying windows because some
5772 font-driver (e.g. xft) access a window while finishing a
5774 if (FRAME_FACE_CACHE (f
))
5775 free_frame_faces (f
);
5777 if (FRAME_W32_WINDOW (f
))
5778 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5780 free_frame_menubar (f
);
5782 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5783 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5784 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5785 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5786 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5787 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5788 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5789 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5790 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5791 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5793 if (FRAME_FACE_CACHE (f
))
5794 free_frame_faces (f
);
5796 xfree (f
->output_data
.w32
);
5797 f
->output_data
.w32
= NULL
;
5799 if (f
== dpyinfo
->w32_focus_frame
)
5800 dpyinfo
->w32_focus_frame
= 0;
5801 if (f
== dpyinfo
->w32_focus_event_frame
)
5802 dpyinfo
->w32_focus_event_frame
= 0;
5803 if (f
== dpyinfo
->x_highlight_frame
)
5804 dpyinfo
->x_highlight_frame
= 0;
5806 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5808 dpyinfo
->mouse_face_beg_row
5809 = dpyinfo
->mouse_face_beg_col
= -1;
5810 dpyinfo
->mouse_face_end_row
5811 = dpyinfo
->mouse_face_end_col
= -1;
5812 dpyinfo
->mouse_face_window
= Qnil
;
5813 dpyinfo
->mouse_face_deferred_gc
= 0;
5814 dpyinfo
->mouse_face_mouse_frame
= 0;
5821 /* Destroy the window of frame F. */
5823 x_destroy_window (f
)
5826 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5828 x_free_frame_resources (f
);
5829 dpyinfo
->reference_count
--;
5833 /* Setting window manager hints. */
5835 /* Set the normal size hints for the window manager, for frame F.
5836 FLAGS is the flags word to use--or 0 meaning preserve the flags
5837 that the window now has.
5838 If USER_POSITION is nonzero, we set the USPosition
5839 flag (this is useful when FLAGS is 0). */
5841 x_wm_set_size_hint (f
, flags
, user_position
)
5846 Window window
= FRAME_W32_WINDOW (f
);
5850 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5851 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5852 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5853 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5858 /* Window manager things */
5860 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5865 Window window
= FRAME_W32_WINDOW (f
);
5867 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5868 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5869 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5871 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5876 /***********************************************************************
5878 ***********************************************************************/
5880 static int w32_initialized
= 0;
5883 w32_initialize_display_info (display_name
)
5884 Lisp_Object display_name
;
5886 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5888 bzero (dpyinfo
, sizeof (*dpyinfo
));
5890 /* Put it on w32_display_name_list. */
5891 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5892 w32_display_name_list
);
5893 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
5895 dpyinfo
->w32_id_name
5896 = (char *) xmalloc (SCHARS (Vinvocation_name
)
5897 + SCHARS (Vsystem_name
)
5899 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
5900 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
5902 /* Default Console mode values - overridden when running in GUI mode
5903 with values obtained from system metrics. */
5906 dpyinfo
->height_in
= 1;
5907 dpyinfo
->width_in
= 1;
5908 dpyinfo
->n_planes
= 1;
5909 dpyinfo
->n_cbits
= 4;
5910 dpyinfo
->n_fonts
= 0;
5911 dpyinfo
->smallest_font_height
= 1;
5912 dpyinfo
->smallest_char_width
= 1;
5914 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
5915 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
5916 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
5917 dpyinfo
->mouse_face_window
= Qnil
;
5918 dpyinfo
->mouse_face_overlay
= Qnil
;
5919 dpyinfo
->mouse_face_hidden
= 0;
5921 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
5922 /* TODO: dpyinfo->gray */
5926 /* Create an xrdb-style database of resources to supercede registry settings.
5927 The database is just a concatenation of C strings, finished by an additional
5928 \0. The strings are submitted to some basic normalization, so
5930 [ *]option[ *]:[ *]value...
5936 but any whitespace following value is not removed. */
5939 w32_make_rdb (xrm_option
)
5942 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
5943 char *current
= buffer
;
5946 int before_value
= 0;
5960 if (in_option
&& (ch
== ':'))
5965 else if (before_value
)
5970 else if (!(in_option
|| before_value
))
5982 x_flush (struct frame
* f
)
5983 { /* Nothing to do */ }
5986 extern frame_parm_handler w32_frame_parm_handlers
[];
5988 static struct redisplay_interface w32_redisplay_interface
=
5990 w32_frame_parm_handlers
,
5994 x_clear_end_of_line
,
5996 x_after_update_window_line
,
5997 x_update_window_begin
,
5998 x_update_window_end
,
6001 0, /* flush_display_optional */
6002 x_clear_window_mouse_face
,
6003 x_get_glyph_overhangs
,
6004 x_fix_overlapping_area
,
6005 w32_draw_fringe_bitmap
,
6006 w32_define_fringe_bitmap
,
6007 w32_destroy_fringe_bitmap
,
6008 w32_compute_glyph_string_overhangs
,
6009 x_draw_glyph_string
,
6010 w32_define_frame_cursor
,
6011 w32_clear_frame_area
,
6012 w32_draw_window_cursor
,
6013 w32_draw_vertical_window_border
,
6014 w32_shift_glyphs_for_insert
6017 static void x_delete_terminal (struct terminal
*term
);
6019 static struct terminal
*
6020 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6022 struct terminal
*terminal
;
6024 terminal
= create_terminal ();
6026 terminal
->type
= output_w32
;
6027 terminal
->display_info
.w32
= dpyinfo
;
6028 dpyinfo
->terminal
= terminal
;
6030 /* MSVC does not type K&R functions with no arguments correctly, and
6031 so we must explicitly cast them. */
6032 terminal
->clear_frame_hook
= x_clear_frame
;
6033 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6034 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6035 terminal
->ring_bell_hook
= w32_ring_bell
;
6036 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6037 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6038 terminal
->update_begin_hook
= x_update_begin
;
6039 terminal
->update_end_hook
= x_update_end
;
6040 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6041 terminal
->read_socket_hook
= w32_read_socket
;
6042 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6043 terminal
->mouse_position_hook
= w32_mouse_position
;
6044 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6045 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6046 // terminal->fullscreen_hook = XTfullscreen_hook;
6047 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6048 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6049 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6050 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6052 terminal
->delete_frame_hook
= x_destroy_window
;
6053 terminal
->delete_terminal_hook
= x_delete_terminal
;
6055 terminal
->rif
= &w32_redisplay_interface
;
6056 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6057 terminal
->char_ins_del_ok
= 1;
6058 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6059 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6060 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6064 /* We don't yet support separate terminals on W32, so don't try to share
6065 keyboards between virtual terminals that are on the same physical
6066 terminal like X does. */
6067 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6068 init_kboard (terminal
->kboard
);
6069 terminal
->kboard
->Vwindow_system
= intern ("w32");
6070 terminal
->kboard
->next_kboard
= all_kboards
;
6071 all_kboards
= terminal
->kboard
;
6072 /* Don't let the initial kboard remain current longer than necessary.
6073 That would cause problems if a file loaded on startup tries to
6074 prompt in the mini-buffer. */
6075 if (current_kboard
== initial_kboard
)
6076 current_kboard
= terminal
->kboard
;
6077 terminal
->kboard
->reference_count
++;
6084 x_delete_terminal (struct terminal
*terminal
)
6086 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6089 /* Protect against recursive calls. Fdelete_frame in
6090 delete_terminal calls us back when it deletes our last frame. */
6091 if (!terminal
->name
)
6096 x_delete_display (dpyinfo
);
6100 struct w32_display_info
*
6101 w32_term_init (display_name
, xrm_option
, resource_name
)
6102 Lisp_Object display_name
;
6104 char *resource_name
;
6106 struct w32_display_info
*dpyinfo
;
6107 struct terminal
*terminal
;
6112 if (!w32_initialized
)
6115 w32_initialized
= 1;
6118 w32_initialize_display_info (display_name
);
6120 dpyinfo
= &one_w32_display_info
;
6121 terminal
= w32_create_terminal (dpyinfo
);
6123 /* Set the name of the terminal. */
6124 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6125 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6126 terminal
->name
[SBYTES (display_name
)] = 0;
6128 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6130 /* Put this display on the chain. */
6131 dpyinfo
->next
= x_display_list
;
6132 x_display_list
= dpyinfo
;
6134 hdc
= GetDC (GetDesktopWindow ());
6136 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6137 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6138 dpyinfo
->root_window
= GetDesktopWindow ();
6139 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6140 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6141 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6142 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6143 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6144 dpyinfo
->terminal
->image_cache
= make_image_cache ();
6145 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6146 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6147 ReleaseDC (GetDesktopWindow (), hdc
);
6149 /* initialise palette with white and black */
6152 w32_defined_color (0, "white", &color
, 1);
6153 w32_defined_color (0, "black", &color
, 1);
6156 /* Add the default keyboard. */
6157 add_keyboard_wait_descriptor (0);
6159 /* Create Fringe Bitmaps and store them for later use.
6161 On W32, bitmaps are all unsigned short, as Windows requires
6162 bitmap data to be Word aligned. For some reason they are
6163 horizontally reflected compared to how they appear on X, so we
6164 need to bitswap and convert to unsigned shorts before creating
6166 w32_init_fringe (terminal
->rif
);
6169 fcntl (connection
, F_SETOWN
, getpid ());
6170 #endif /* ! defined (F_SETOWN) */
6173 if (interrupt_input
)
6174 init_sigio (connection
);
6175 #endif /* ! defined (SIGIO) */
6182 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6184 x_delete_display (dpyinfo
)
6185 struct w32_display_info
*dpyinfo
;
6187 /* Discard this display from w32_display_name_list and w32_display_list.
6188 We can't use Fdelq because that can quit. */
6189 if (! NILP (w32_display_name_list
)
6190 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6191 w32_display_name_list
= XCDR (w32_display_name_list
);
6196 tail
= w32_display_name_list
;
6197 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6199 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6201 XSETCDR (tail
, XCDR (XCDR (tail
)));
6208 /* free palette table */
6210 struct w32_palette_entry
* plist
;
6212 plist
= dpyinfo
->color_list
;
6215 struct w32_palette_entry
* pentry
= plist
;
6216 plist
= plist
->next
;
6219 dpyinfo
->color_list
= NULL
;
6220 if (dpyinfo
->palette
)
6221 DeleteObject(dpyinfo
->palette
);
6223 xfree (dpyinfo
->w32_id_name
);
6225 w32_reset_fringes ();
6228 /* Set up use of W32. */
6230 DWORD WINAPI
w32_msg_worker (void * arg
);
6237 w32_system_caret_hwnd
= NULL
;
6238 w32_system_caret_height
= 0;
6239 w32_system_caret_x
= 0;
6240 w32_system_caret_y
= 0;
6242 /* Initialize w32_use_visible_system_caret based on whether a screen
6243 reader is in use. */
6244 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6245 &w32_use_visible_system_caret
, 0))
6246 w32_use_visible_system_caret
= 0;
6248 last_tool_bar_item
= -1;
6249 any_help_event_p
= 0;
6251 /* Initialize input mode: interrupt_input off, no flow control, allow
6252 8 bit character input, standard quit char. */
6253 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6255 /* Create the window thread - it will terminate itself or when the app terminates */
6259 dwMainThreadId
= GetCurrentThreadId ();
6260 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6261 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6263 /* Wait for thread to start */
6268 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6270 hWindowsThread
= CreateThread (NULL
, 0,
6272 0, 0, &dwWindowsThreadId
);
6274 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6277 /* It is desirable that mainThread should have the same notion of
6278 focus window and active window as windowsThread. Unfortunately, the
6279 following call to AttachThreadInput, which should do precisely what
6280 we need, causes major problems when Emacs is linked as a console
6281 program. Unfortunately, we have good reasons for doing that, so
6282 instead we need to send messages to windowsThread to make some API
6283 calls for us (ones that affect, or depend on, the active/focus
6285 #ifdef ATTACH_THREADS
6286 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6289 /* Dynamically link to optional system components. */
6291 UINT smoothing_type
;
6292 BOOL smoothing_enabled
;
6294 HANDLE gdi_lib
= LoadLibrary ("gdi32.dll");
6296 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6298 LOAD_PROC (gdi_lib
, GetFontUnicodeRanges
);
6302 FreeLibrary (gdi_lib
);
6304 /* Ensure scrollbar handle is at least 5 pixels. */
6305 vertical_scroll_bar_min_handle
= 5;
6307 /* For either kind of scroll bar, take account of the arrows; these
6308 effectively form the border of the main scroll bar range. */
6309 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6310 = GetSystemMetrics (SM_CYVSCROLL
);
6312 /* Constants that are not always defined by the system headers
6313 since they only exist on certain versions of Windows. */
6314 #ifndef SPI_GETFONTSMOOTHING
6315 #define SPI_GETFONTSMOOTHING 0x4A
6317 #ifndef SPI_GETFONTSMOOTHINGTYPE
6318 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6320 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6321 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6324 /* Determine if Cleartype is in use. Used to enable a hack in
6325 the char metric calculations which adds extra pixels to
6326 compensate for the "sub-pixels" that are not counted by the
6329 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6330 && smoothing_enabled
6331 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6332 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6339 staticpro (&w32_display_name_list
);
6340 w32_display_name_list
= Qnil
;
6342 staticpro (&last_mouse_scroll_bar
);
6343 last_mouse_scroll_bar
= Qnil
;
6345 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6347 DEFVAR_INT ("w32-num-mouse-buttons",
6348 &w32_num_mouse_buttons
,
6349 doc
: /* Number of physical mouse buttons. */);
6350 w32_num_mouse_buttons
= 2;
6352 DEFVAR_LISP ("w32-swap-mouse-buttons",
6353 &Vw32_swap_mouse_buttons
,
6354 doc
: /* Swap the mapping of middle and right mouse buttons.
6355 When nil, middle button is mouse-2 and right button is mouse-3. */);
6356 Vw32_swap_mouse_buttons
= Qnil
;
6358 DEFVAR_LISP ("w32-grab-focus-on-raise",
6359 &Vw32_grab_focus_on_raise
,
6360 doc
: /* Raised frame grabs input focus.
6361 When t, `raise-frame' grabs input focus as well. This fits well
6362 with the normal Windows click-to-focus policy, but might not be
6363 desirable when using a point-to-focus policy. */);
6364 Vw32_grab_focus_on_raise
= Qt
;
6366 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6367 &Vw32_capslock_is_shiftlock
,
6368 doc
: /* Apply CapsLock state to non character input keys.
6369 When nil, CapsLock only affects normal character input keys. */);
6370 Vw32_capslock_is_shiftlock
= Qnil
;
6372 DEFVAR_LISP ("w32-recognize-altgr",
6373 &Vw32_recognize_altgr
,
6374 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6375 When nil, the right-alt and left-ctrl key combination is
6376 interpreted normally. */);
6377 Vw32_recognize_altgr
= Qt
;
6379 DEFVAR_BOOL ("w32-enable-unicode-output",
6380 &w32_enable_unicode_output
,
6381 doc
: /* Enable the use of Unicode for text output if non-nil.
6382 Unicode output may prevent some third party applications for displaying
6383 Far-East Languages on Windows 95/98 from working properly.
6384 NT uses Unicode internally anyway, so this flag will probably have no
6385 effect on NT machines. */);
6386 w32_enable_unicode_output
= 1;
6388 DEFVAR_BOOL ("w32-use-visible-system-caret",
6389 &w32_use_visible_system_caret
,
6390 doc
: /* Flag to make the system caret visible.
6391 When this is non-nil, Emacs will indicate the position of point by
6392 using the system caret instead of drawing its own cursor. Some screen
6393 reader software does not track the system cursor properly when it is
6394 invisible, and gets confused by Emacs drawing its own cursor, so this
6395 variable is initialized to t when Emacs detects that screen reader
6396 software is running as it starts up.
6398 When this variable is set, other variables affecting the appearance of
6399 the cursor have no effect. */);
6401 w32_use_visible_system_caret
= 0;
6403 /* We don't yet support this, but defining this here avoids whining
6404 from cus-start.el and other places, like "M-x set-variable". */
6405 DEFVAR_BOOL ("x-use-underline-position-properties",
6406 &x_use_underline_position_properties
,
6407 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6408 A value of nil means ignore them. If you encounter fonts with bogus
6409 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6410 to 4.1, set this to nil.
6412 NOTE: Not supported on MS-Windows yet. */);
6413 x_use_underline_position_properties
= 0;
6415 DEFVAR_BOOL ("x-underline-at-descent-line",
6416 &x_underline_at_descent_line
,
6417 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6418 A value of nil means to draw the underline according to the value of the
6419 variable `x-use-underline-position-properties', which is usually at the
6420 baseline level. The default value is nil. */);
6421 x_underline_at_descent_line
= 0;
6423 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6424 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6425 Vx_toolkit_scroll_bars
= Qt
;
6427 staticpro (&last_mouse_motion_frame
);
6428 last_mouse_motion_frame
= Qnil
;
6431 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6432 (do not change this comment) */