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 int x_use_underline_position_properties
;
92 /* Non-zero means to draw the underline at the same place as the descent line. */
94 int x_underline_at_descent_line
;
96 extern unsigned int msh_mousewheel
;
98 extern void free_frame_menubar ();
100 extern int w32_codepage_for_font (char *fontname
);
101 extern Cursor
w32_load_cursor (LPCTSTR name
);
103 extern Lisp_Object Vwindow_system
;
105 #define x_any_window_to_frame x_window_to_frame
106 #define x_top_window_to_frame x_window_to_frame
109 /* This is display since w32 does not support multiple ones. */
110 struct w32_display_info one_w32_display_info
;
111 struct w32_display_info
*x_display_list
;
113 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
114 one for each element of w32_display_list and in the same order.
115 NAME is the name of the frame.
116 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
117 Lisp_Object w32_display_name_list
;
121 /* Pre Windows 2000, this was not available, but define it here so
122 that Emacs compiled on such a platform will run on newer versions. */
124 typedef struct tagWCRANGE
130 typedef struct tagGLYPHSET
134 DWORD cGlyphsSupported
;
141 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
142 BOOL (PASCAL
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
145 #define LWA_ALPHA 0x02
147 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
148 later targets by MSVC headers. */
149 #ifndef WS_EX_LAYERED
150 #define WS_EX_LAYERED 0x80000
153 /* Frame being updated by update_frame. This is declared in term.c.
154 This is set by update_begin and looked at by all the
155 w32 functions. It is zero while not inside an update.
156 In that case, the w32 functions assume that `SELECTED_FRAME ()'
157 is the frame to apply to. */
158 extern struct frame
*updating_frame
;
160 /* This is a frame waiting to be autoraised, within w32_read_socket. */
161 struct frame
*pending_autoraise_frame
;
163 /* The handle of the frame that currently owns the system caret. */
164 HWND w32_system_caret_hwnd
;
165 int w32_system_caret_height
;
166 int w32_system_caret_x
;
167 int w32_system_caret_y
;
168 int w32_use_visible_system_caret
;
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
);
415 #define OPAQUE_FRAME 255
418 x_set_frame_alpha (f
)
421 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
423 double alpha_min
= 1.0;
426 HWND window
= FRAME_W32_WINDOW (f
);
428 /* Older versions of Windows do not support transparency. */
429 if (!pfnSetLayeredWindowAttributes
)
432 if (dpyinfo
->x_highlight_frame
== f
)
437 if (FLOATP (Vframe_alpha_lower_limit
))
438 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
439 else if (INTEGERP (Vframe_alpha_lower_limit
))
440 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
442 if (alpha
< 0.0 || 1.0 < alpha
)
444 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
447 opac
= alpha
* OPAQUE_FRAME
;
449 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
451 if (opac
== OPAQUE_FRAME
)
452 ex_style
&= ~WS_EX_LAYERED
;
454 ex_style
|= WS_EX_LAYERED
;
456 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
458 if (opac
!= OPAQUE_FRAME
)
459 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
463 x_display_pixel_height (dpyinfo
)
464 struct w32_display_info
*dpyinfo
;
466 return GetDeviceCaps (GetDC (GetDesktopWindow ()), VERTRES
);
470 x_display_pixel_width (dpyinfo
)
471 struct w32_display_info
*dpyinfo
;
473 return GetDeviceCaps (GetDC (GetDesktopWindow ()), HORZRES
);
477 /***********************************************************************
478 Starting and ending an update
479 ***********************************************************************/
481 /* Start an update of frame F. This function is installed as a hook
482 for update_begin, i.e. it is called when update_begin is called.
483 This function is called prior to calls to x_update_window_begin for
484 each window being updated. */
490 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
492 if (! FRAME_W32_P (f
))
495 /* Regenerate display palette before drawing if list of requested
496 colors has changed. */
497 if (display_info
->regen_palette
)
499 w32_regenerate_palette (f
);
500 display_info
->regen_palette
= FALSE
;
505 /* Start update of window W. Set the global variable updated_window
506 to the window being updated and set output_cursor to the cursor
510 x_update_window_begin (w
)
513 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
514 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
516 /* Hide the system caret during an update. */
517 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
519 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
523 set_output_cursor (&w
->cursor
);
527 if (f
== display_info
->mouse_face_mouse_frame
)
529 /* Don't do highlighting for mouse motion during the update. */
530 display_info
->mouse_face_defer
= 1;
532 /* If F needs to be redrawn, simply forget about any prior mouse
534 if (FRAME_GARBAGED_P (f
))
535 display_info
->mouse_face_window
= Qnil
;
537 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
538 their mouse_face_p flag set, which means that they are always
539 unequal to rows in a desired matrix which never have that
540 flag set. So, rows containing mouse-face glyphs are never
541 scrolled, and we don't have to switch the mouse highlight off
542 here to prevent it from being scrolled. */
544 /* Can we tell that this update does not affect the window
545 where the mouse highlight is? If so, no need to turn off.
546 Likewise, don't do anything if the frame is garbaged;
547 in that case, the frame's current matrix that we would use
548 is all wrong, and we will redisplay that line anyway. */
549 if (!NILP (display_info
->mouse_face_window
)
550 && w
== XWINDOW (display_info
->mouse_face_window
))
554 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
555 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
558 if (i
< w
->desired_matrix
->nrows
)
559 clear_mouse_face (display_info
);
567 /* Draw a vertical window border from (x,y0) to (x,y1) */
570 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
574 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
584 hdc
= get_frame_dc (f
);
585 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
587 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
589 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
591 release_frame_dc (f
, hdc
);
595 /* End update of window W (which is equal to updated_window).
597 Draw vertical borders between horizontally adjacent windows, and
598 display W's cursor if CURSOR_ON_P is non-zero.
600 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
601 glyphs in mouse-face were overwritten. In that case we have to
602 make sure that the mouse-highlight is properly redrawn.
604 W may be a menu bar pseudo-window in case we don't have X toolkit
605 support. Such windows don't have a cursor, so don't display it
609 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
611 int cursor_on_p
, mouse_face_overwritten_p
;
613 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
615 if (!w
->pseudo_window_p
)
620 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
622 output_cursor
.x
, output_cursor
.y
);
624 if (draw_window_fringes (w
, 1))
625 x_draw_vertical_border (w
);
630 /* If a row with mouse-face was overwritten, arrange for
631 XTframe_up_to_date to redisplay the mouse highlight. */
632 if (mouse_face_overwritten_p
)
634 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
635 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
636 dpyinfo
->mouse_face_window
= Qnil
;
639 /* Unhide the caret. This won't actually show the cursor, unless it
640 was visible before the corresponding call to HideCaret in
641 x_update_window_begin. */
642 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
644 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
647 updated_window
= NULL
;
651 /* End update of frame F. This function is installed as a hook in
658 if (! FRAME_W32_P (f
))
661 /* Mouse highlight may be displayed again. */
662 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
666 /* This function is called from various places in xdisp.c whenever a
667 complete update has been performed. The global variable
668 updated_window is not available here. */
671 w32_frame_up_to_date (f
)
676 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
678 if (dpyinfo
->mouse_face_deferred_gc
679 || f
== dpyinfo
->mouse_face_mouse_frame
)
682 if (dpyinfo
->mouse_face_mouse_frame
)
683 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
684 dpyinfo
->mouse_face_mouse_x
,
685 dpyinfo
->mouse_face_mouse_y
);
686 dpyinfo
->mouse_face_deferred_gc
= 0;
693 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
694 arrow bitmaps, or clear the fringes if no bitmaps are required
695 before DESIRED_ROW is made current. The window being updated is
696 found in updated_window. This function is called from
697 update_window_line only if it is known that there are differences
698 between bitmaps to be drawn between current row and DESIRED_ROW. */
701 x_after_update_window_line (desired_row
)
702 struct glyph_row
*desired_row
;
704 struct window
*w
= updated_window
;
710 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
711 desired_row
->redraw_fringe_bitmaps_p
= 1;
713 /* When a window has disappeared, make sure that no rest of
714 full-width rows stays visible in the internal border. Could
715 check here if updated_window is the leftmost/rightmost window,
716 but I guess it's not worth doing since vertically split windows
717 are almost never used, internal border is rarely set, and the
718 overhead is very small. */
719 if (windows_or_buffers_changed
720 && desired_row
->full_width_p
721 && (f
= XFRAME (w
->frame
),
722 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
724 && (height
= desired_row
->visible_height
,
727 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
729 /* Internal border is drawn below the tool bar. */
730 if (WINDOWP (f
->tool_bar_window
)
731 && w
== XWINDOW (f
->tool_bar_window
))
736 HDC hdc
= get_frame_dc (f
);
737 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
738 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
740 release_frame_dc (f
, hdc
);
747 /* Draw the bitmap WHICH in one of the left or right fringes of
748 window W. ROW is the glyph row for which to display the bitmap; it
749 determines the vertical position at which the bitmap has to be
753 w32_draw_fringe_bitmap (w
, row
, p
)
755 struct glyph_row
*row
;
756 struct draw_fringe_bitmap_params
*p
;
758 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
760 struct face
*face
= p
->face
;
763 hdc
= get_frame_dc (f
);
767 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
769 /* If the fringe is adjacent to the left (right) scroll bar of a
770 leftmost (rightmost, respectively) window, then extend its
771 background to the gap between the fringe and the bar. */
772 if ((WINDOW_LEFTMOST_P (w
)
773 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
774 || (WINDOW_RIGHTMOST_P (w
)
775 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
777 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
781 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
782 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
783 * FRAME_COLUMN_WIDTH (f
));
787 /* Bitmap fills the fringe. */
788 if (left
+ width
== p
->x
)
789 bx
= left
+ sb_width
;
790 else if (p
->x
+ p
->wd
== left
)
794 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
796 nx
= width
- sb_width
;
797 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
799 ny
= row
->visible_height
;
804 if (left
+ width
== bx
)
806 bx
= left
+ sb_width
;
807 nx
+= width
- sb_width
;
809 else if (bx
+ nx
== left
)
810 nx
+= width
- sb_width
;
815 if (bx
>= 0 && nx
> 0)
816 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
819 /* Must clip because of partially visible lines. */
820 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
823 /* Adjust position of "bottom aligned" bitmap on partially
826 int oldVH
= row
->visible_height
;
827 row
->visible_height
= p
->h
;
828 row
->y
-= rowY
- p
->y
;
829 w32_clip_to_row (w
, row
, -1, hdc
);
831 row
->visible_height
= oldVH
;
834 w32_clip_to_row (w
, row
, -1, hdc
);
836 if (p
->which
&& p
->which
< max_fringe_bmp
)
838 HBITMAP pixmap
= fringe_bmp
[p
->which
];
842 compat_hdc
= CreateCompatibleDC (hdc
);
846 horig_obj
= SelectObject (compat_hdc
, pixmap
);
848 /* Paint overlays transparently. */
851 HBRUSH h_brush
, h_orig_brush
;
853 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
854 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
855 h_brush
= CreateSolidBrush (face
->foreground
);
856 h_orig_brush
= SelectObject (hdc
, h_brush
);
858 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
859 compat_hdc
, 0, p
->dh
,
861 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
862 compat_hdc
, 0, p
->dh
,
864 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
865 compat_hdc
, 0, p
->dh
,
868 SelectObject (hdc
, h_orig_brush
);
869 DeleteObject (h_brush
);
873 SetTextColor (hdc
, face
->background
);
874 SetBkColor (hdc
, (p
->cursor_p
875 ? f
->output_data
.w32
->cursor_pixel
876 : face
->foreground
));
878 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
879 compat_hdc
, 0, p
->dh
,
883 SelectObject (compat_hdc
, horig_obj
);
884 DeleteDC (compat_hdc
);
888 w32_set_clip_rectangle (hdc
, NULL
);
890 release_frame_dc (f
, hdc
);
894 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
896 unsigned short *bits
;
899 if (which
>= max_fringe_bmp
)
901 int i
= max_fringe_bmp
;
902 max_fringe_bmp
= which
+ 20;
903 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
904 while (i
< max_fringe_bmp
)
908 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
912 w32_destroy_fringe_bitmap (which
)
915 if (which
>= max_fringe_bmp
)
918 if (fringe_bmp
[which
])
919 DeleteObject (fringe_bmp
[which
]);
920 fringe_bmp
[which
] = 0;
925 /* This is called when starting Emacs and when restarting after
926 suspend. When starting Emacs, no window is mapped. And nothing
927 must be done to Emacs's own window if it is suspended (though that
931 w32_set_terminal_modes (struct terminal
*term
)
935 /* This is called when exiting or suspending Emacs. Exiting will make
936 the W32 windows go away, and suspending requires no action. */
939 w32_reset_terminal_modes (struct terminal
*term
)
945 /***********************************************************************
947 ***********************************************************************/
949 /* Function prototypes of this page. */
951 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
952 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
953 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
955 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
956 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
957 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
958 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
959 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
960 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
961 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
962 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
963 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
964 double, int, COLORREF
));
965 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
966 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
967 static void x_draw_image_relief
P_ ((struct glyph_string
*));
968 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
969 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
970 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
972 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
973 int, int, int, int, int, int,
975 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
976 int, int, int, RECT
*));
979 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
984 struct glyph_string
*s
;
986 if (s
->font
== FRAME_FONT (s
->f
)
987 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
988 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
990 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
993 /* Cursor on non-default face: must merge. */
997 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
998 xgcv
.foreground
= s
->face
->background
;
1000 /* If the glyph would be invisible, try a different foreground. */
1001 if (xgcv
.foreground
== xgcv
.background
)
1002 xgcv
.foreground
= s
->face
->foreground
;
1003 if (xgcv
.foreground
== xgcv
.background
)
1004 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1005 if (xgcv
.foreground
== xgcv
.background
)
1006 xgcv
.foreground
= s
->face
->foreground
;
1008 /* Make sure the cursor is distinct from text in this face. */
1009 if (xgcv
.background
== s
->face
->background
1010 && xgcv
.foreground
== s
->face
->foreground
)
1012 xgcv
.background
= s
->face
->foreground
;
1013 xgcv
.foreground
= s
->face
->background
;
1016 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1017 xgcv
.font
= s
->font
;
1018 mask
= GCForeground
| GCBackground
| GCFont
;
1020 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1021 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1024 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1025 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1027 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1032 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1035 x_set_mouse_face_gc (s
)
1036 struct glyph_string
*s
;
1041 /* What face has to be used last for the mouse face? */
1042 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1043 face
= FACE_FROM_ID (s
->f
, face_id
);
1045 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1047 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1048 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1050 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1051 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1052 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1054 /* If font in this face is same as S->font, use it. */
1055 if (s
->font
== s
->face
->font
)
1056 s
->gc
= s
->face
->gc
;
1059 /* Otherwise construct scratch_cursor_gc with values from FACE
1064 xgcv
.background
= s
->face
->background
;
1065 xgcv
.foreground
= s
->face
->foreground
;
1066 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1067 xgcv
.font
= s
->font
;
1068 mask
= GCForeground
| GCBackground
| GCFont
;
1070 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1071 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1074 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1075 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1077 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1080 xassert (s
->gc
!= 0);
1084 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1085 Faces to use in the mode line have already been computed when the
1086 matrix was built, so there isn't much to do, here. */
1089 x_set_mode_line_face_gc (s
)
1090 struct glyph_string
*s
;
1092 s
->gc
= s
->face
->gc
;
1096 /* Set S->gc of glyph string S for drawing that glyph string. Set
1097 S->stippled_p to a non-zero value if the face of S has a stipple
1101 x_set_glyph_string_gc (s
)
1102 struct glyph_string
*s
;
1104 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1106 if (s
->hl
== DRAW_NORMAL_TEXT
)
1108 s
->gc
= s
->face
->gc
;
1109 s
->stippled_p
= s
->face
->stipple
!= 0;
1111 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1113 x_set_mode_line_face_gc (s
);
1114 s
->stippled_p
= s
->face
->stipple
!= 0;
1116 else if (s
->hl
== DRAW_CURSOR
)
1118 x_set_cursor_gc (s
);
1121 else if (s
->hl
== DRAW_MOUSE_FACE
)
1123 x_set_mouse_face_gc (s
);
1124 s
->stippled_p
= s
->face
->stipple
!= 0;
1126 else if (s
->hl
== DRAW_IMAGE_RAISED
1127 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1129 s
->gc
= s
->face
->gc
;
1130 s
->stippled_p
= s
->face
->stipple
!= 0;
1134 s
->gc
= s
->face
->gc
;
1135 s
->stippled_p
= s
->face
->stipple
!= 0;
1138 /* GC must have been set. */
1139 xassert (s
->gc
!= 0);
1143 /* Set clipping for output of glyph string S. S may be part of a mode
1144 line or menu if we don't have X toolkit support. */
1147 x_set_glyph_string_clipping (s
)
1148 struct glyph_string
*s
;
1151 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1154 w32_set_clip_rectangle (s
->hdc
, r
);
1157 HRGN full_clip
, clip1
, clip2
;
1158 clip1
= CreateRectRgnIndirect (r
);
1159 clip2
= CreateRectRgnIndirect (r
+ 1);
1160 if (CombineRgn (full_clip
, clip1
, clip2
, RGN_OR
) != ERROR
)
1162 SelectClipRgn (s
->hdc
, full_clip
);
1164 DeleteObject (clip1
);
1165 DeleteObject (clip2
);
1166 DeleteObject (full_clip
);
1171 /* Set SRC's clipping for output of glyph string DST. This is called
1172 when we are drawing DST's left_overhang or right_overhang only in
1176 x_set_glyph_string_clipping_exactly (src
, dst
)
1177 struct glyph_string
*src
, *dst
;
1182 r
.right
= r
.left
+ src
->width
;
1184 r
.bottom
= r
.top
+ src
->height
;
1187 w32_set_clip_rectangle (dst
->hdc
, &r
);
1191 Compute left and right overhang of glyph string S. */
1194 w32_compute_glyph_string_overhangs (s
)
1195 struct glyph_string
*s
;
1198 && s
->first_glyph
->type
== CHAR_GLYPH
1199 && !s
->font_not_found_p
)
1201 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1202 struct font
*font
= s
->font
;
1203 struct font_metrics metrics
;
1206 for (i
= 0; i
< s
->nchars
; i
++)
1207 code
[i
] = s
->char2b
[i
];
1208 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1209 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1210 ? metrics
.rbearing
- metrics
.width
: 0);
1211 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1215 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1216 s
->left_overhang
= -s
->cmp
->lbearing
;
1220 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1223 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1224 struct glyph_string
*s
;
1232 /* Take clipping into account. */
1233 if (s
->gc
->clip_mask
== Rect
)
1235 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1236 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1237 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1238 - s
->gc
->clip_rectangle
.left
);
1239 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1240 - s
->gc
->clip_rectangle
.top
);
1243 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1248 /* Draw the background of glyph_string S. If S->background_filled_p
1249 is non-zero don't draw it. FORCE_P non-zero means draw the
1250 background even if it wouldn't be drawn normally. This is used
1251 when a string preceding S draws into the background of S, or S
1252 contains the first component of a composition. */
1255 x_draw_glyph_string_background (s
, force_p
)
1256 struct glyph_string
*s
;
1259 /* Nothing to do if background has already been drawn or if it
1260 shouldn't be drawn in the first place. */
1261 if (!s
->background_filled_p
)
1263 int box_line_width
= max (s
->face
->box_line_width
, 0);
1265 #if 0 /* TODO: stipple */
1268 /* Fill background with a stipple pattern. */
1269 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1270 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1271 s
->y
+ box_line_width
,
1272 s
->background_width
,
1273 s
->height
- 2 * box_line_width
);
1274 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1275 s
->background_filled_p
= 1;
1279 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1280 || s
->font_not_found_p
1281 || s
->extends_to_end_of_line_p
1284 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1285 s
->background_width
,
1286 s
->height
- 2 * box_line_width
);
1287 s
->background_filled_p
= 1;
1293 /* Draw the foreground of glyph string S. */
1296 x_draw_glyph_string_foreground (s
)
1297 struct glyph_string
*s
;
1301 /* If first glyph of S has a left box line, start drawing the text
1302 of S to the right of that box line. */
1303 if (s
->face
->box
!= FACE_NO_BOX
1304 && s
->first_glyph
->left_box_line_p
)
1305 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1309 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1310 SetBkColor (s
->hdc
, s
->gc
->background
);
1311 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1313 /* Draw characters of S as rectangles if S's font could not be
1315 if (s
->font_not_found_p
)
1317 for (i
= 0; i
< s
->nchars
; ++i
)
1319 struct glyph
*g
= s
->first_glyph
+ i
;
1321 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1323 x
+= g
->pixel_width
;
1328 struct font
*font
= s
->font
;
1329 int boff
= font
->baseline_offset
;
1333 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1335 if (font
->vertical_centering
)
1336 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1338 y
= s
->ybase
- boff
;
1340 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1341 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1343 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1344 if (s
->face
->overstrike
)
1345 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1347 SelectObject (s
->hdc
, old_font
);
1351 /* Draw the foreground of composite glyph string S. */
1354 x_draw_composite_glyph_string_foreground (s
)
1355 struct glyph_string
*s
;
1358 struct font
*font
= s
->font
;
1360 /* If first glyph of S has a left box line, start drawing the text
1361 of S to the right of that box line. */
1362 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1363 && s
->first_glyph
->left_box_line_p
)
1364 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1368 /* S is a glyph string for a composition. S->cmp_from is the index
1369 of the first character drawn for glyphs of this composition.
1370 S->cmp_from == 0 means we are drawing the very first character of
1371 this composition. */
1373 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1374 SetBkColor (s
->hdc
, s
->gc
->background
);
1375 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1377 /* Draw a rectangle for the composition if the font for the very
1378 first character of the composition could not be loaded. */
1379 if (s
->font_not_found_p
)
1381 if (s
->cmp_from
== 0)
1382 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1385 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1391 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1393 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1394 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1396 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1397 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1399 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1400 if (s
->face
->overstrike
)
1401 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1403 SelectObject (s
->hdc
, old_font
);
1407 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1413 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1415 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1417 glyph
= LGSTRING_GLYPH (gstring
, i
);
1418 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1419 width
+= LGLYPH_WIDTH (glyph
);
1422 int xoff
, yoff
, wadjust
;
1426 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1429 xoff
= LGLYPH_XOFF (glyph
);
1430 yoff
= LGLYPH_YOFF (glyph
);
1431 wadjust
= LGLYPH_WADJUST (glyph
);
1432 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1439 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1441 SelectObject (s
->hdc
, old_font
);
1446 /* Brightness beyond which a color won't have its highlight brightness
1449 Nominally, highlight colors for `3d' faces are calculated by
1450 brightening an object's color by a constant scale factor, but this
1451 doesn't yield good results for dark colors, so for colors who's
1452 brightness is less than this value (on a scale of 0-255) have to
1453 use an additional additive factor.
1455 The value here is set so that the default menu-bar/mode-line color
1456 (grey75) will not have its highlights changed at all. */
1457 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1460 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1461 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1462 If this produces the same color as COLOR, try a color where all RGB
1463 values have DELTA added. Return the allocated color in *COLOR.
1464 DISPLAY is the X display, CMAP is the colormap to operate on.
1465 Value is non-zero if successful. */
1468 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1477 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1480 /* Change RGB values by specified FACTOR. Avoid overflow! */
1481 xassert (factor
>= 0);
1482 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1483 min (0xff, factor
* GetGValue (*color
)),
1484 min (0xff, factor
* GetBValue (*color
)));
1486 /* Calculate brightness of COLOR. */
1487 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1488 + GetBValue (*color
)) / 6;
1490 /* We only boost colors that are darker than
1491 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1492 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1493 /* Make an additive adjustment to NEW, because it's dark enough so
1494 that scaling by FACTOR alone isn't enough. */
1496 /* How far below the limit this color is (0 - 1, 1 being darker). */
1497 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1498 /* The additive adjustment. */
1499 int min_delta
= delta
* dimness
* factor
/ 2;
1502 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1503 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1504 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1506 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1507 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1508 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1512 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1513 max (0, min (0xff, delta
+ GetGValue (*color
))),
1514 max (0, min (0xff, delta
+ GetBValue (*color
))));
1516 /* TODO: Map to palette and retry with delta if same? */
1517 /* TODO: Free colors (if using palette)? */
1528 /* Set up the foreground color for drawing relief lines of glyph
1529 string S. RELIEF is a pointer to a struct relief containing the GC
1530 with which lines will be drawn. Use a color that is FACTOR or
1531 DELTA lighter or darker than the relief's background which is found
1532 in S->f->output_data.x->relief_background. If such a color cannot
1533 be allocated, use DEFAULT_PIXEL, instead. */
1536 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1538 struct relief
*relief
;
1541 COLORREF default_pixel
;
1544 struct w32_output
*di
= f
->output_data
.w32
;
1545 unsigned long mask
= GCForeground
;
1547 COLORREF background
= di
->relief_background
;
1548 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1550 /* TODO: Free colors (if using palette)? */
1552 /* Allocate new color. */
1553 xgcv
.foreground
= default_pixel
;
1555 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1557 relief
->allocated_p
= 1;
1558 xgcv
.foreground
= relief
->pixel
= pixel
;
1561 if (relief
->gc
== 0)
1563 #if 0 /* TODO: stipple */
1564 xgcv
.stipple
= dpyinfo
->gray
;
1567 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1570 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1574 /* Set up colors for the relief lines around glyph string S. */
1577 x_setup_relief_colors (s
)
1578 struct glyph_string
*s
;
1580 struct w32_output
*di
= s
->f
->output_data
.w32
;
1583 if (s
->face
->use_box_color_for_shadows_p
)
1584 color
= s
->face
->box_color
;
1585 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1587 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1588 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1590 color
= s
->gc
->background
;
1592 if (di
->white_relief
.gc
== 0
1593 || color
!= di
->relief_background
)
1595 di
->relief_background
= color
;
1596 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1597 WHITE_PIX_DEFAULT (s
->f
));
1598 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1599 BLACK_PIX_DEFAULT (s
->f
));
1604 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1605 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1606 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1607 relief. LEFT_P non-zero means draw a relief on the left side of
1608 the rectangle. RIGHT_P non-zero means draw a relief on the right
1609 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1613 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1614 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1616 int left_x
, top_y
, right_x
, bottom_y
, width
;
1617 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1622 HDC hdc
= get_frame_dc (f
);
1625 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1627 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1629 w32_set_clip_rectangle (hdc
, clip_rect
);
1633 for (i
= 0; i
< width
; ++i
)
1634 w32_fill_area (f
, hdc
, gc
.foreground
,
1635 left_x
+ i
* left_p
, top_y
+ i
,
1636 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1640 for (i
= 0; i
< width
; ++i
)
1641 w32_fill_area (f
, hdc
, gc
.foreground
,
1642 left_x
+ i
, top_y
+ i
, 1,
1643 bottom_y
- top_y
- 2 * i
+ 1);
1646 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1648 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1652 for (i
= 0; i
< width
; ++i
)
1653 w32_fill_area (f
, hdc
, gc
.foreground
,
1654 left_x
+ i
* left_p
, bottom_y
- i
,
1655 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1659 for (i
= 0; i
< width
; ++i
)
1660 w32_fill_area (f
, hdc
, gc
.foreground
,
1661 right_x
- i
, top_y
+ i
+ 1, 1,
1662 bottom_y
- top_y
- 2 * i
- 1);
1664 w32_set_clip_rectangle (hdc
, NULL
);
1666 release_frame_dc (f
, hdc
);
1670 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1671 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1672 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1673 left side of the rectangle. RIGHT_P non-zero means draw a line
1674 on the right side of the rectangle. CLIP_RECT is the clipping
1675 rectangle to use when drawing. */
1678 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1679 left_p
, right_p
, clip_rect
)
1680 struct glyph_string
*s
;
1681 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1684 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1687 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1688 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1693 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1694 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1698 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1699 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1704 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1705 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1708 w32_set_clip_rectangle (s
->hdc
, NULL
);
1712 /* Draw a box around glyph string S. */
1715 x_draw_glyph_string_box (s
)
1716 struct glyph_string
*s
;
1718 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1719 int left_p
, right_p
;
1720 struct glyph
*last_glyph
;
1723 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1724 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1725 : window_box_right (s
->w
, s
->area
));
1727 /* The glyph that may have a right box line. */
1728 last_glyph
= (s
->cmp
|| s
->img
1730 : s
->first_glyph
+ s
->nchars
- 1);
1732 width
= eabs (s
->face
->box_line_width
);
1733 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1735 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1737 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1739 bottom_y
= top_y
+ s
->height
- 1;
1741 left_p
= (s
->first_glyph
->left_box_line_p
1742 || (s
->hl
== DRAW_MOUSE_FACE
1744 || s
->prev
->hl
!= s
->hl
)));
1745 right_p
= (last_glyph
->right_box_line_p
1746 || (s
->hl
== DRAW_MOUSE_FACE
1748 || s
->next
->hl
!= s
->hl
)));
1750 get_glyph_string_clip_rect (s
, &clip_rect
);
1752 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1753 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1754 left_p
, right_p
, &clip_rect
);
1757 x_setup_relief_colors (s
);
1758 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1759 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1764 /* Draw foreground of image glyph string S. */
1767 x_draw_image_foreground (s
)
1768 struct glyph_string
*s
;
1771 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1773 /* If first glyph of S has a left box line, start drawing it to the
1774 right of that line. */
1775 if (s
->face
->box
!= FACE_NO_BOX
1776 && s
->first_glyph
->left_box_line_p
1778 x
+= eabs (s
->face
->box_line_width
);
1780 /* If there is a margin around the image, adjust x- and y-position
1782 if (s
->slice
.x
== 0)
1783 x
+= s
->img
->hmargin
;
1784 if (s
->slice
.y
== 0)
1785 y
+= s
->img
->vmargin
;
1791 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1792 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1793 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1794 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1795 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1796 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1797 x_set_glyph_string_clipping (s
);
1801 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1802 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1804 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1805 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1807 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1808 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1809 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1810 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1811 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1812 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1814 SelectObject (mask_dc
, mask_orig_obj
);
1819 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1820 SetBkColor (s
->hdc
, s
->gc
->background
);
1822 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1823 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1825 /* When the image has a mask, we can expect that at
1826 least part of a mouse highlight or a block cursor will
1827 be visible. If the image doesn't have a mask, make
1828 a block cursor visible by drawing a rectangle around
1829 the image. I believe it's looking better if we do
1830 nothing here for mouse-face. */
1831 if (s
->hl
== DRAW_CURSOR
)
1833 int r
= s
->img
->relief
;
1835 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1836 s
->slice
.width
+ r
*2 - 1,
1837 s
->slice
.height
+ r
*2 - 1);
1841 w32_set_clip_rectangle (s
->hdc
, NULL
);
1842 SelectObject (s
->hdc
, orig_brush
);
1843 DeleteObject (fg_brush
);
1844 SelectObject (compat_hdc
, orig_obj
);
1845 DeleteDC (compat_hdc
);
1848 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1849 s
->slice
.width
- 1, s
->slice
.height
- 1);
1851 RestoreDC (s
->hdc
,-1);
1855 /* Draw a relief around the image glyph string S. */
1858 x_draw_image_relief (s
)
1859 struct glyph_string
*s
;
1861 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1864 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1866 /* If first glyph of S has a left box line, start drawing it to the
1867 right of that line. */
1868 if (s
->face
->box
!= FACE_NO_BOX
1869 && s
->first_glyph
->left_box_line_p
1871 x
+= eabs (s
->face
->box_line_width
);
1873 /* If there is a margin around the image, adjust x- and y-position
1875 if (s
->slice
.x
== 0)
1876 x
+= s
->img
->hmargin
;
1877 if (s
->slice
.y
== 0)
1878 y
+= s
->img
->vmargin
;
1880 if (s
->hl
== DRAW_IMAGE_SUNKEN
1881 || s
->hl
== DRAW_IMAGE_RAISED
)
1883 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1884 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1888 thick
= eabs (s
->img
->relief
);
1889 raised_p
= s
->img
->relief
> 0;
1894 x1
= x
+ s
->slice
.width
+ thick
- 1;
1895 y1
= y
+ s
->slice
.height
+ thick
- 1;
1897 x_setup_relief_colors (s
);
1898 get_glyph_string_clip_rect (s
, &r
);
1899 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
1901 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
1903 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
1908 /* Draw the foreground of image glyph string S to PIXMAP. */
1911 w32_draw_image_foreground_1 (s
, pixmap
)
1912 struct glyph_string
*s
;
1915 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1916 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1918 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1920 /* If first glyph of S has a left box line, start drawing it to the
1921 right of that line. */
1922 if (s
->face
->box
!= FACE_NO_BOX
1923 && s
->first_glyph
->left_box_line_p
1925 x
+= eabs (s
->face
->box_line_width
);
1927 /* If there is a margin around the image, adjust x- and y-position
1929 if (s
->slice
.x
== 0)
1930 x
+= s
->img
->hmargin
;
1931 if (s
->slice
.y
== 0)
1932 y
+= s
->img
->vmargin
;
1936 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1937 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1938 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1939 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1943 HDC mask_dc
= CreateCompatibleDC (hdc
);
1944 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1946 SetTextColor (hdc
, RGB (0, 0, 0));
1947 SetBkColor (hdc
, RGB (255, 255, 255));
1948 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1949 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1950 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1951 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1952 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1953 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1955 SelectObject (mask_dc
, mask_orig_obj
);
1960 SetTextColor (hdc
, s
->gc
->foreground
);
1961 SetBkColor (hdc
, s
->gc
->background
);
1963 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1964 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1966 /* When the image has a mask, we can expect that at
1967 least part of a mouse highlight or a block cursor will
1968 be visible. If the image doesn't have a mask, make
1969 a block cursor visible by drawing a rectangle around
1970 the image. I believe it's looking better if we do
1971 nothing here for mouse-face. */
1972 if (s
->hl
== DRAW_CURSOR
)
1974 int r
= s
->img
->relief
;
1976 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
1977 s
->slice
.width
+ r
*2 - 1,
1978 s
->slice
.height
+ r
*2 - 1);
1982 SelectObject (hdc
, orig_brush
);
1983 DeleteObject (fg_brush
);
1984 SelectObject (compat_hdc
, orig_obj
);
1985 DeleteDC (compat_hdc
);
1988 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
1989 s
->slice
.width
- 1, s
->slice
.height
- 1);
1991 SelectObject (hdc
, orig_hdc_obj
);
1996 /* Draw part of the background of glyph string S. X, Y, W, and H
1997 give the rectangle to draw. */
2000 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2001 struct glyph_string
*s
;
2004 #if 0 /* TODO: stipple */
2007 /* Fill background with a stipple pattern. */
2008 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2009 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2010 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2014 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2018 /* Draw image glyph string S.
2021 s->x +-------------------------
2024 | +-------------------------
2027 | | +-------------------
2033 x_draw_image_glyph_string (s
)
2034 struct glyph_string
*s
;
2037 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2038 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2042 height
= s
->height
- 2 * box_line_vwidth
;
2044 /* Fill background with face under the image. Do it only if row is
2045 taller than image or if image has a clip mask to reduce
2047 s
->stippled_p
= s
->face
->stipple
!= 0;
2048 if (height
> s
->slice
.height
2052 || s
->img
->pixmap
== 0
2053 || s
->width
!= s
->background_width
)
2056 if (s
->first_glyph
->left_box_line_p
2058 x
+= box_line_hwidth
;
2061 if (s
->slice
.y
== 0)
2062 y
+= box_line_vwidth
;
2064 #if 0 /* TODO: figure out if we need to do this on Windows. */
2067 /* Create a pixmap as large as the glyph string. Fill it
2068 with the background color. Copy the image to it, using
2069 its mask. Copy the temporary pixmap to the display. */
2070 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2071 int depth
= DefaultDepthOfScreen (screen
);
2073 /* Create a pixmap as large as the glyph string. */
2074 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2075 s
->background_width
,
2078 /* Don't clip in the following because we're working on the
2080 XSetClipMask (s
->display
, s
->gc
, None
);
2082 /* Fill the pixmap with the background color/stipple. */
2085 /* Fill background with a stipple pattern. */
2086 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2087 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2088 0, 0, s
->background_width
, s
->height
);
2089 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2094 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2096 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2097 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2098 0, 0, s
->background_width
, s
->height
);
2099 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2104 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2106 s
->background_filled_p
= 1;
2109 /* Draw the foreground. */
2112 w32_draw_image_foreground_1 (s
, pixmap
);
2113 x_set_glyph_string_clipping (s
);
2115 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2116 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2117 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2118 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2120 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2121 SetBkColor (s
->hdc
, s
->gc
->background
);
2122 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2123 compat_hdc
, 0, 0, SRCCOPY
);
2125 SelectObject (s
->hdc
, orig_brush
);
2126 DeleteObject (fg_brush
);
2127 SelectObject (compat_hdc
, orig_obj
);
2128 DeleteDC (compat_hdc
);
2130 DeleteObject (pixmap
);
2134 x_draw_image_foreground (s
);
2136 /* If we must draw a relief around the image, do it. */
2138 || s
->hl
== DRAW_IMAGE_RAISED
2139 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2140 x_draw_image_relief (s
);
2144 /* Draw stretch glyph string S. */
2147 x_draw_stretch_glyph_string (s
)
2148 struct glyph_string
*s
;
2150 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2152 if (s
->hl
== DRAW_CURSOR
2153 && !x_stretch_cursor_p
)
2155 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2156 as wide as the stretch glyph. */
2157 int width
, background_width
= s
->background_width
;
2158 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2162 background_width
-= left_x
- x
;
2165 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2168 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2170 /* Clear rest using the GC of the original non-cursor face. */
2171 if (width
< background_width
)
2173 XGCValues
*gc
= s
->face
->gc
;
2175 int w
= background_width
- width
, h
= s
->height
;
2180 if (s
->row
->mouse_face_p
2181 && cursor_in_mouse_face_p (s
->w
))
2183 x_set_mouse_face_gc (s
);
2189 get_glyph_string_clip_rect (s
, &r
);
2190 w32_set_clip_rectangle (hdc
, &r
);
2192 #if 0 /* TODO: stipple */
2193 if (s
->face
->stipple
)
2195 /* Fill background with a stipple pattern. */
2196 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2197 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2198 XSetFillStyle (s
->display
, gc
, FillSolid
);
2203 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2207 else if (!s
->background_filled_p
)
2209 int background_width
= s
->background_width
;
2210 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2212 /* Don't draw into left margin, fringe or scrollbar area
2213 except for header line and mode line. */
2214 if (x
< left_x
&& !s
->row
->mode_line_p
)
2216 background_width
-= left_x
- x
;
2219 if (background_width
> 0)
2220 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2223 s
->background_filled_p
= 1;
2227 /* Draw glyph string S. */
2230 x_draw_glyph_string (s
)
2231 struct glyph_string
*s
;
2233 int relief_drawn_p
= 0;
2235 /* If S draws into the background of its successor, draw the
2236 background of the successor first so that S can draw into it.
2237 This makes S->next use XDrawString instead of XDrawImageString. */
2238 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2241 struct glyph_string
*next
;
2242 for (width
= 0, next
= s
->next
; next
;
2243 width
+= next
->width
, next
= next
->next
)
2244 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2246 x_set_glyph_string_gc (next
);
2247 x_set_glyph_string_clipping (next
);
2248 x_draw_glyph_string_background (next
, 1);
2249 next
->num_clips
= 0;
2253 /* Set up S->gc, set clipping and draw S. */
2254 x_set_glyph_string_gc (s
);
2256 /* Draw relief (if any) in advance for char/composition so that the
2257 glyph string can be drawn over it. */
2258 if (!s
->for_overlaps
2259 && s
->face
->box
!= FACE_NO_BOX
2260 && (s
->first_glyph
->type
== CHAR_GLYPH
2261 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2264 x_set_glyph_string_clipping (s
);
2265 x_draw_glyph_string_background (s
, 1);
2266 x_draw_glyph_string_box (s
);
2267 x_set_glyph_string_clipping (s
);
2270 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2272 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2273 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2274 /* We must clip just this glyph. left_overhang part has already
2275 drawn when s->prev was drawn, and right_overhang part will be
2276 drawn later when s->next is drawn. */
2277 x_set_glyph_string_clipping_exactly (s
, s
);
2279 x_set_glyph_string_clipping (s
);
2281 switch (s
->first_glyph
->type
)
2284 x_draw_image_glyph_string (s
);
2288 x_draw_stretch_glyph_string (s
);
2292 if (s
->for_overlaps
)
2293 s
->background_filled_p
= 1;
2295 x_draw_glyph_string_background (s
, 0);
2296 x_draw_glyph_string_foreground (s
);
2299 case COMPOSITE_GLYPH
:
2300 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2301 && ! s
->first_glyph
->u
.cmp
.automatic
))
2302 s
->background_filled_p
= 1;
2304 x_draw_glyph_string_background (s
, 1);
2305 x_draw_composite_glyph_string_foreground (s
);
2312 if (!s
->for_overlaps
)
2314 /* Draw underline. */
2315 if (s
->face
->underline_p
)
2317 unsigned long thickness
, position
;
2320 if (s
->prev
&& s
->prev
->face
->underline_p
)
2322 /* We use the same underline style as the previous one. */
2323 thickness
= s
->prev
->underline_thickness
;
2324 position
= s
->prev
->underline_position
;
2328 /* Get the underline thickness. Default is 1 pixel. */
2329 if (s
->font
&& s
->font
->underline_thickness
> 0)
2330 thickness
= s
->font
->underline_thickness
;
2333 if (x_underline_at_descent_line
)
2334 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2337 /* Get the underline position. This is the recommended
2338 vertical offset in pixels from the baseline to the top of
2339 the underline. This is a signed value according to the
2340 specs, and its default is
2342 ROUND ((maximum_descent) / 2), with
2343 ROUND (x) = floor (x + 0.5) */
2345 if (x_use_underline_position_properties
2346 && s
->font
&& s
->font
->underline_position
>= 0)
2347 position
= s
->font
->underline_position
;
2349 position
= (s
->font
->descent
+ 1) / 2;
2351 position
= max (position
, underline_minimum_offset
);
2353 /* Check the sanity of thickness and position. We should
2354 avoid drawing underline out of the current line area. */
2355 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2356 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2357 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2358 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2359 s
->underline_thickness
= thickness
;
2360 s
->underline_position
=position
;
2361 y
= s
->ybase
+ position
;
2362 if (s
->face
->underline_defaulted_p
)
2364 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2365 y
, s
->background_width
, 1);
2369 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2370 y
, s
->background_width
, 1);
2373 /* Draw overline. */
2374 if (s
->face
->overline_p
)
2376 unsigned long dy
= 0, h
= 1;
2378 if (s
->face
->overline_color_defaulted_p
)
2380 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2381 s
->y
+ dy
, s
->background_width
, h
);
2385 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2386 s
->y
+ dy
, s
->background_width
, h
);
2390 /* Draw strike-through. */
2391 if (s
->face
->strike_through_p
2392 && !FONT_TEXTMETRIC(s
->font
).tmStruckOut
)
2394 unsigned long h
= 1;
2395 unsigned long dy
= (s
->height
- h
) / 2;
2397 if (s
->face
->strike_through_color_defaulted_p
)
2399 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2404 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2405 s
->y
+ dy
, s
->width
, h
);
2409 /* Draw relief if not yet drawn. */
2410 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2411 x_draw_glyph_string_box (s
);
2415 struct glyph_string
*prev
;
2417 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2418 if (prev
->hl
!= s
->hl
2419 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2421 /* As prev was drawn while clipped to its own area, we
2422 must draw the right_overhang part using s->hl now. */
2423 enum draw_glyphs_face save
= prev
->hl
;
2426 x_set_glyph_string_gc (prev
);
2427 x_set_glyph_string_clipping_exactly (s
, prev
);
2428 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2429 x_draw_glyph_string_foreground (prev
);
2431 x_draw_composite_glyph_string_foreground (prev
);
2432 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2434 prev
->num_clips
= 0;
2440 struct glyph_string
*next
;
2442 for (next
= s
->next
; next
; next
= next
->next
)
2443 if (next
->hl
!= s
->hl
2444 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2446 /* As next will be drawn while clipped to its own area,
2447 we must draw the left_overhang part using s->hl now. */
2448 enum draw_glyphs_face save
= next
->hl
;
2451 x_set_glyph_string_gc (next
);
2452 x_set_glyph_string_clipping_exactly (s
, next
);
2453 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2454 x_draw_glyph_string_foreground (next
);
2456 x_draw_composite_glyph_string_foreground (next
);
2457 w32_set_clip_rectangle (next
->hdc
, NULL
);
2459 next
->num_clips
= 0;
2464 /* Reset clipping. */
2465 w32_set_clip_rectangle (s
->hdc
, NULL
);
2470 /* Shift display to make room for inserted glyphs. */
2473 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2475 int x
, y
, width
, height
, shift_by
;
2479 hdc
= get_frame_dc (f
);
2480 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2481 hdc
, x
, y
, SRCCOPY
);
2483 release_frame_dc (f
, hdc
);
2487 /* Delete N glyphs at the nominal cursor position. Not implemented
2491 x_delete_glyphs (f
, n
)
2495 if (! FRAME_W32_P (f
))
2502 /* Clear entire frame. If updating_frame is non-null, clear that
2503 frame. Otherwise clear the selected frame. */
2506 x_clear_frame (struct frame
*f
)
2508 if (! FRAME_W32_P (f
))
2511 /* Clearing the frame will erase any cursor, so mark them all as no
2513 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2514 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2515 output_cursor
.x
= -1;
2517 /* We don't set the output cursor here because there will always
2518 follow an explicit cursor_to. */
2521 w32_clear_window (f
);
2523 /* We have to clear the scroll bars, too. If we have changed
2524 colors or something like that, then they should be notified. */
2525 x_scroll_bar_clear (f
);
2531 /* Make audible bell. */
2534 w32_ring_bell (struct frame
*f
)
2538 if (FRAME_W32_P (f
) && visible_bell
)
2541 HWND hwnd
= FRAME_W32_WINDOW (f
);
2543 for (i
= 0; i
< 5; i
++)
2545 FlashWindow (hwnd
, TRUE
);
2548 FlashWindow (hwnd
, FALSE
);
2551 w32_sys_ring_bell (f
);
2557 /* Specify how many text lines, from the top of the window,
2558 should be affected by insert-lines and delete-lines operations.
2559 This, and those operations, are used only within an update
2560 that is bounded by calls to x_update_begin and x_update_end. */
2563 w32_set_terminal_window (n
)
2566 /* This function intentionally left blank. */
2570 /***********************************************************************
2572 ***********************************************************************/
2574 /* Perform an insert-lines or delete-lines operation, inserting N
2575 lines or deleting -N lines at vertical position VPOS. */
2578 x_ins_del_lines (f
, vpos
, n
)
2582 if (! FRAME_W32_P (f
))
2589 /* Scroll part of the display as described by RUN. */
2592 x_scroll_run (w
, run
)
2596 struct frame
*f
= XFRAME (w
->frame
);
2597 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2598 HWND hwnd
= FRAME_W32_WINDOW (f
);
2601 /* Get frame-relative bounding box of the text display area of W,
2602 without mode lines. Include in this box the left and right
2604 window_box (w
, -1, &x
, &y
, &width
, &height
);
2606 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2607 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2608 bottom_y
= y
+ height
;
2612 /* Scrolling up. Make sure we don't copy part of the mode
2613 line at the bottom. */
2614 if (from_y
+ run
->height
> bottom_y
)
2615 height
= bottom_y
- from_y
;
2617 height
= run
->height
;
2618 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2622 /* Scolling down. Make sure we don't copy over the mode line.
2624 if (to_y
+ run
->height
> bottom_y
)
2625 height
= bottom_y
- to_y
;
2627 height
= run
->height
;
2628 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2633 /* Cursor off. Will be switched on again in x_update_window_end. */
2640 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2641 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2643 from
.left
= to
.left
= x
;
2644 from
.right
= to
.right
= x
+ width
;
2646 from
.bottom
= from_y
+ height
;
2648 to
.bottom
= bottom_y
;
2650 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2651 NULL
, SW_INVALIDATE
);
2653 /* Combine this with what we expect to be dirty. This covers the
2654 case where not all of the region we expect is actually dirty. */
2655 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2657 /* If the dirty region is not what we expected, redraw the entire frame. */
2658 if (!EqualRgn (combined
, expect_dirty
))
2659 SET_FRAME_GARBAGED (f
);
2661 DeleteObject (dirty
);
2662 DeleteObject (combined
);
2666 DeleteObject (expect_dirty
);
2671 /***********************************************************************
2673 ***********************************************************************/
2679 x_update_cursor (f
, 1);
2680 x_set_frame_alpha (f
);
2684 frame_unhighlight (f
)
2687 x_update_cursor (f
, 1);
2688 x_set_frame_alpha (f
);
2691 /* The focus has changed. Update the frames as necessary to reflect
2692 the new situation. Note that we can't change the selected frame
2693 here, because the Lisp code we are interrupting might become confused.
2694 Each event gets marked with the frame in which it occurred, so the
2695 Lisp code can tell when the switch took place by examining the events. */
2698 x_new_focus_frame (dpyinfo
, frame
)
2699 struct w32_display_info
*dpyinfo
;
2700 struct frame
*frame
;
2702 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2704 if (frame
!= dpyinfo
->w32_focus_frame
)
2706 /* Set this before calling other routines, so that they see
2707 the correct value of w32_focus_frame. */
2708 dpyinfo
->w32_focus_frame
= frame
;
2710 if (old_focus
&& old_focus
->auto_lower
)
2711 x_lower_frame (old_focus
);
2713 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2714 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2716 pending_autoraise_frame
= 0;
2719 x_frame_rehighlight (dpyinfo
);
2723 /* Handle FocusIn and FocusOut state changes for FRAME.
2724 If FRAME has focus and there exists more than one frame, puts
2725 a FOCUS_IN_EVENT into *BUFP. */
2728 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2731 struct w32_display_info
*dpyinfo
;
2732 struct frame
*frame
;
2733 struct input_event
*bufp
;
2735 if (type
== WM_SETFOCUS
)
2737 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2739 x_new_focus_frame (dpyinfo
, frame
);
2740 dpyinfo
->w32_focus_event_frame
= frame
;
2742 /* Don't stop displaying the initial startup message
2743 for a switch-frame event we don't need. */
2744 if (NILP (Vterminal_frame
)
2745 && CONSP (Vframe_list
)
2746 && !NILP (XCDR (Vframe_list
)))
2748 bufp
->kind
= FOCUS_IN_EVENT
;
2749 XSETFRAME (bufp
->frame_or_window
, frame
);
2753 frame
->output_data
.x
->focus_state
|= state
;
2755 /* TODO: IME focus? */
2757 else if (type
== WM_KILLFOCUS
)
2759 frame
->output_data
.x
->focus_state
&= ~state
;
2761 if (dpyinfo
->w32_focus_event_frame
== frame
)
2763 dpyinfo
->w32_focus_event_frame
= 0;
2764 x_new_focus_frame (dpyinfo
, 0);
2767 /* TODO: IME focus? */
2772 /* The focus may have changed. Figure out if it is a real focus change,
2773 by checking both FocusIn/Out and Enter/LeaveNotify events.
2775 Returns FOCUS_IN_EVENT event in *BUFP. */
2778 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2779 struct w32_display_info
*dpyinfo
;
2781 struct input_event
*bufp
;
2783 struct frame
*frame
;
2785 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2789 /* On w32, this is only called from focus events, so no switch needed. */
2790 x_focus_changed (event
->msg
.message
,
2791 (event
->msg
.message
== WM_KILLFOCUS
?
2792 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2793 dpyinfo
, frame
, bufp
);
2797 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2800 x_mouse_leave (dpyinfo
)
2801 struct w32_display_info
*dpyinfo
;
2803 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2806 /* The focus has changed, or we have redirected a frame's focus to
2807 another frame (this happens when a frame uses a surrogate
2808 mini-buffer frame). Shift the highlight as appropriate.
2810 The FRAME argument doesn't necessarily have anything to do with which
2811 frame is being highlighted or un-highlighted; we only use it to find
2812 the appropriate X display info. */
2815 w32_frame_rehighlight (frame
)
2816 struct frame
*frame
;
2818 if (! FRAME_W32_P (frame
))
2820 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2824 x_frame_rehighlight (dpyinfo
)
2825 struct w32_display_info
*dpyinfo
;
2827 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2829 if (dpyinfo
->w32_focus_frame
)
2831 dpyinfo
->x_highlight_frame
2832 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2833 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2834 : dpyinfo
->w32_focus_frame
);
2835 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2837 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2838 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2842 dpyinfo
->x_highlight_frame
= 0;
2844 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2847 frame_unhighlight (old_highlight
);
2848 if (dpyinfo
->x_highlight_frame
)
2849 frame_highlight (dpyinfo
->x_highlight_frame
);
2853 /* Keyboard processing - modifier keys, etc. */
2855 /* Convert a keysym to its name. */
2858 x_get_keysym_name (keysym
)
2861 /* Make static so we can always return it */
2862 static char value
[100];
2865 GetKeyNameText (keysym
, value
, 100);
2873 /* Mouse clicks and mouse movement. Rah. */
2875 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2876 the state in PUP. XBUTTON provides extra information for extended mouse
2877 button messages. Returns FALSE if unable to parse the message. */
2879 parse_button (message
, xbutton
, pbutton
, pup
)
2890 case WM_LBUTTONDOWN
:
2898 case WM_MBUTTONDOWN
:
2899 if (NILP (Vw32_swap_mouse_buttons
))
2906 if (NILP (Vw32_swap_mouse_buttons
))
2912 case WM_RBUTTONDOWN
:
2913 if (NILP (Vw32_swap_mouse_buttons
))
2920 if (NILP (Vw32_swap_mouse_buttons
))
2926 case WM_XBUTTONDOWN
:
2927 button
= xbutton
+ 2;
2931 button
= xbutton
+ 2;
2939 if (pbutton
) *pbutton
= button
;
2945 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2947 If the event is a button press, then note that we have grabbed
2951 construct_mouse_click (result
, msg
, f
)
2952 struct input_event
*result
;
2959 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2962 /* Make the event type NO_EVENT; we'll change that when we decide
2964 result
->kind
= MOUSE_CLICK_EVENT
;
2965 result
->code
= button
;
2966 result
->timestamp
= msg
->msg
.time
;
2967 result
->modifiers
= (msg
->dwModifiers
2972 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2973 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2974 XSETFRAME (result
->frame_or_window
, f
);
2980 construct_mouse_wheel (result
, msg
, f
)
2981 struct input_event
*result
;
2988 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
2991 result
->timestamp
= msg
->msg
.time
;
2993 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2994 forward, away from the user (up); a negative value indicates that
2995 the wheel was rotated backward, toward the user (down). */
2996 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
2998 /* The up and down modifiers indicate if the wheel was rotated up or
2999 down based on WHEEL_DELTA value. */
3000 result
->modifiers
= (msg
->dwModifiers
3001 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3003 /* With multiple monitors, we can legitimately get negative
3004 coordinates, so cast to short to interpret them correctly. */
3005 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3006 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3007 ScreenToClient (msg
->msg
.hwnd
, &p
);
3008 XSETINT (result
->x
, p
.x
);
3009 XSETINT (result
->y
, p
.y
);
3010 XSETFRAME (result
->frame_or_window
, f
);
3016 construct_drag_n_drop (result
, msg
, f
)
3017 struct input_event
*result
;
3029 result
->kind
= DRAG_N_DROP_EVENT
;
3031 result
->timestamp
= msg
->msg
.time
;
3032 result
->modifiers
= msg
->dwModifiers
;
3034 hdrop
= (HDROP
) msg
->msg
.wParam
;
3035 DragQueryPoint (hdrop
, &p
);
3038 p
.x
= LOWORD (msg
->msg
.lParam
);
3039 p
.y
= HIWORD (msg
->msg
.lParam
);
3040 ScreenToClient (msg
->msg
.hwnd
, &p
);
3043 XSETINT (result
->x
, p
.x
);
3044 XSETINT (result
->y
, p
.y
);
3046 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3049 for (i
= 0; i
< num_files
; i
++)
3051 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3054 name
= alloca (len
+ 1);
3055 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3056 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3061 XSETFRAME (frame
, f
);
3062 result
->frame_or_window
= frame
;
3063 result
->arg
= files
;
3068 /* Function to report a mouse movement to the mainstream Emacs code.
3069 The input handler calls this.
3071 We have received a mouse movement event, which is given in *event.
3072 If the mouse is over a different glyph than it was last time, tell
3073 the mainstream emacs code by setting mouse_moved. If not, ask for
3074 another motion event, so we can check again the next time it moves. */
3076 static MSG last_mouse_motion_event
;
3077 static Lisp_Object last_mouse_motion_frame
;
3080 note_mouse_movement (frame
, msg
)
3084 int mouse_x
= LOWORD (msg
->lParam
);
3085 int mouse_y
= HIWORD (msg
->lParam
);
3087 last_mouse_movement_time
= msg
->time
;
3088 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3089 XSETFRAME (last_mouse_motion_frame
, frame
);
3091 if (!FRAME_X_OUTPUT (frame
))
3094 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3096 frame
->mouse_moved
= 1;
3097 last_mouse_scroll_bar
= Qnil
;
3098 note_mouse_highlight (frame
, -1, -1);
3099 last_mouse_glyph_frame
= 0;
3103 /* Has the mouse moved off the glyph it was on at the last sighting? */
3104 if (frame
!= last_mouse_glyph_frame
3105 || mouse_x
< last_mouse_glyph
.left
3106 || mouse_x
>= last_mouse_glyph
.right
3107 || mouse_y
< last_mouse_glyph
.top
3108 || mouse_y
>= last_mouse_glyph
.bottom
)
3110 frame
->mouse_moved
= 1;
3111 last_mouse_scroll_bar
= Qnil
;
3112 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3113 /* Remember the mouse position here, as w32_mouse_position only
3114 gets called when mouse tracking is enabled but we also need
3115 to keep track of the mouse for help_echo and highlighting at
3117 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3118 last_mouse_glyph_frame
= frame
;
3126 /************************************************************************
3128 ************************************************************************/
3130 static struct scroll_bar
*x_window_to_scroll_bar ();
3131 static void x_scroll_bar_report_motion ();
3132 static void x_check_fullscreen
P_ ((struct frame
*));
3135 redo_mouse_highlight ()
3137 if (!NILP (last_mouse_motion_frame
)
3138 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3139 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3140 LOWORD (last_mouse_motion_event
.lParam
),
3141 HIWORD (last_mouse_motion_event
.lParam
));
3145 w32_define_cursor (window
, cursor
)
3149 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3151 /* Return the current position of the mouse.
3152 *fp should be a frame which indicates which display to ask about.
3154 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3155 and *part to the frame, window, and scroll bar part that the mouse
3156 is over. Set *x and *y to the portion and whole of the mouse's
3157 position on the scroll bar.
3159 If the mouse movement started elsewhere, set *fp to the frame the
3160 mouse is on, *bar_window to nil, and *x and *y to the character cell
3163 Set *time to the server time-stamp for the time at which the mouse
3164 was at this position.
3166 Don't store anything if we don't have a valid set of values to report.
3168 This clears the mouse_moved flag, so we can wait for the next mouse
3172 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3175 Lisp_Object
*bar_window
;
3176 enum scroll_bar_part
*part
;
3178 unsigned long *time
;
3184 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3185 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3190 Lisp_Object frame
, tail
;
3192 /* Clear the mouse-moved flag for every frame on this display. */
3193 FOR_EACH_FRAME (tail
, frame
)
3194 XFRAME (frame
)->mouse_moved
= 0;
3196 last_mouse_scroll_bar
= Qnil
;
3200 /* Now we have a position on the root; find the innermost window
3201 containing the pointer. */
3203 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3204 && FRAME_LIVE_P (last_mouse_frame
))
3206 /* If mouse was grabbed on a frame, give coords for that frame
3207 even if the mouse is now outside it. */
3208 f1
= last_mouse_frame
;
3212 /* Is window under mouse one of our frames? */
3213 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3214 WindowFromPoint (pt
));
3217 /* If not, is it one of our scroll bars? */
3220 struct scroll_bar
*bar
3221 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3225 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3229 if (f1
== 0 && insist
> 0)
3230 f1
= SELECTED_FRAME ();
3234 /* Ok, we found a frame. Store all the values.
3235 last_mouse_glyph is a rectangle used to reduce the
3236 generation of mouse events. To not miss any motion
3237 events, we must divide the frame into rectangles of the
3238 size of the smallest character that could be displayed
3239 on it, i.e. into the same rectangles that matrices on
3240 the frame are divided into. */
3242 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3243 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3244 last_mouse_glyph_frame
= f1
;
3251 *time
= last_mouse_movement_time
;
3260 /***********************************************************************
3262 ***********************************************************************/
3264 /* Handle mouse button event on the tool-bar of frame F, at
3265 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3269 w32_handle_tool_bar_click (f
, button_event
)
3271 struct input_event
*button_event
;
3273 int x
= XFASTINT (button_event
->x
);
3274 int y
= XFASTINT (button_event
->y
);
3276 if (button_event
->modifiers
& down_modifier
)
3277 handle_tool_bar_click (f
, x
, y
, 1, 0);
3279 handle_tool_bar_click (f
, x
, y
, 0,
3280 button_event
->modifiers
& ~up_modifier
);
3285 /***********************************************************************
3287 ***********************************************************************/
3289 /* Scroll bar support. */
3291 /* Given a window ID, find the struct scroll_bar which manages it.
3292 This can be called in GC, so we have to make sure to strip off mark
3295 static struct scroll_bar
*
3296 x_window_to_scroll_bar (window_id
)
3301 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3303 Lisp_Object frame
, bar
, condemned
;
3305 frame
= XCAR (tail
);
3306 /* All elements of Vframe_list should be frames. */
3307 if (! FRAMEP (frame
))
3310 /* Scan this frame's scroll bar list for a scroll bar with the
3312 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3313 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3314 /* This trick allows us to search both the ordinary and
3315 condemned scroll bar lists with one loop. */
3316 ! NILP (bar
) || (bar
= condemned
,
3319 bar
= XSCROLL_BAR (bar
)->next
)
3320 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3321 return XSCROLL_BAR (bar
);
3329 /* Set the thumb size and position of scroll bar BAR. We are currently
3330 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3333 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3334 struct scroll_bar
*bar
;
3335 int portion
, position
, whole
;
3337 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3338 /* We use the whole scroll-bar height in the calculations below, to
3339 avoid strange effects like scrolling backwards when just clicking
3340 on the handle (without moving it). */
3341 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3342 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3343 int sb_page
, sb_pos
;
3344 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3347 /* We used to change the nPage setting while dragging the handle,
3348 but that had very strange effects (such as scrolling backwards
3349 while dragging downwards).
3351 Now, we don't change the nPage setting while dragging unless we
3352 get near to the end of the buffer, in which case we often have to
3353 resize the handle to "go all the way". */
3359 si
.cbSize
= sizeof (si
);
3360 si
.fMask
= SIF_POS
| SIF_PAGE
;
3361 GetScrollInfo(w
, SB_CTL
, &si
);
3362 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3370 /* Position scroll bar at rock bottom if the bottom of the
3371 buffer is visible. This avoids shinking the thumb away
3372 to nothing if it is held at the bottom of the buffer. */
3373 if (position
+ portion
>= whole
&& !draggingp
)
3375 sb_page
= range
* (whole
- position
) / whole
;
3380 sb_pos
= position
* range
/ whole
;
3381 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3390 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3394 si
.cbSize
= sizeof (si
);
3395 si
.fMask
= SIF_PAGE
| SIF_POS
;
3399 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3405 /************************************************************************
3406 Scroll bars, general
3407 ************************************************************************/
3410 my_create_scrollbar (f
, bar
)
3412 struct scroll_bar
* bar
;
3414 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3415 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3419 /*#define ATTACH_THREADS*/
3422 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3424 #ifndef ATTACH_THREADS
3425 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3426 (WPARAM
) hwnd
, (LPARAM
) how
);
3428 return ShowWindow (hwnd
, how
);
3433 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3434 int x
, int y
, int cx
, int cy
, UINT flags
)
3436 #ifndef ATTACH_THREADS
3438 pos
.hwndInsertAfter
= hwndAfter
;
3444 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3446 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3451 my_set_focus (f
, hwnd
)
3455 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3460 my_set_foreground_window (hwnd
)
3463 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3468 my_destroy_window (f
, hwnd
)
3472 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3476 /* Create a scroll bar and return the scroll bar vector for it. W is
3477 the Emacs window on which to create the scroll bar. TOP, LEFT,
3478 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3481 static struct scroll_bar
*
3482 x_scroll_bar_create (w
, top
, left
, width
, height
)
3484 int top
, left
, width
, height
;
3486 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3489 struct scroll_bar
*bar
3490 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3494 XSETWINDOW (bar
->window
, w
);
3495 XSETINT (bar
->top
, top
);
3496 XSETINT (bar
->left
, left
);
3497 XSETINT (bar
->width
, width
);
3498 XSETINT (bar
->height
, height
);
3499 XSETINT (bar
->start
, 0);
3500 XSETINT (bar
->end
, 0);
3501 bar
->dragging
= Qnil
;
3502 bar
->fringe_extended_p
= Qnil
;
3504 /* Requires geometry to be set before call to create the real window */
3506 hwnd
= my_create_scrollbar (f
, bar
);
3508 si
.cbSize
= sizeof (si
);
3511 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3512 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3516 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3518 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3520 /* Add bar to its frame's list of scroll bars. */
3521 bar
->next
= FRAME_SCROLL_BARS (f
);
3523 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3524 if (! NILP (bar
->next
))
3525 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3533 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3537 x_scroll_bar_remove (bar
)
3538 struct scroll_bar
*bar
;
3540 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3544 /* Destroy the window. */
3545 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3547 /* Disassociate this scroll bar from its window. */
3548 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3553 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3554 that we are displaying PORTION characters out of a total of WHOLE
3555 characters, starting at POSITION. If WINDOW has no scroll bar,
3558 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3560 int portion
, whole
, position
;
3562 struct frame
*f
= XFRAME (w
->frame
);
3563 struct scroll_bar
*bar
;
3564 int top
, height
, left
, sb_left
, width
, sb_width
;
3565 int window_y
, window_height
;
3566 int fringe_extended_p
;
3568 /* Get window dimensions. */
3569 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3571 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3572 height
= window_height
;
3574 /* Compute the left edge of the scroll bar area. */
3575 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3577 /* Compute the width of the scroll bar which might be less than
3578 the width of the area reserved for the scroll bar. */
3579 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3580 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3584 /* Compute the left edge of the scroll bar. */
3585 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3586 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3588 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3590 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3591 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3592 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3593 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3594 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3596 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3597 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3598 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3599 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3601 /* Does the scroll bar exist yet? */
3602 if (NILP (w
->vertical_scroll_bar
))
3606 if (width
> 0 && height
> 0)
3608 hdc
= get_frame_dc (f
);
3609 if (fringe_extended_p
)
3610 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3612 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3613 release_frame_dc (f
, hdc
);
3617 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3621 /* It may just need to be moved and resized. */
3624 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3625 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3627 /* If already correctly positioned, do nothing. */
3628 if ( XINT (bar
->left
) == sb_left
3629 && XINT (bar
->top
) == top
3630 && XINT (bar
->width
) == sb_width
3631 && XINT (bar
->height
) == height
3632 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3634 /* Redraw after clear_frame. */
3635 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3636 InvalidateRect (hwnd
, NULL
, FALSE
);
3644 if (width
&& height
)
3646 hdc
= get_frame_dc (f
);
3647 /* Since Windows scroll bars are smaller than the space reserved
3648 for them on the frame, we have to clear "under" them. */
3649 if (fringe_extended_p
)
3650 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3652 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3653 release_frame_dc (f
, hdc
);
3655 /* Make sure scroll bar is "visible" before moving, to ensure the
3656 area of the parent window now exposed will be refreshed. */
3657 my_show_window (f
, hwnd
, SW_HIDE
);
3658 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3659 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3660 max (height
, 1), TRUE
);
3662 si
.cbSize
= sizeof (si
);
3663 si
.fMask
= SIF_RANGE
;
3665 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3666 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3668 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3670 my_show_window (f
, hwnd
, SW_NORMAL
);
3671 /* InvalidateRect (w, NULL, FALSE); */
3673 /* Remember new settings. */
3674 XSETINT (bar
->left
, sb_left
);
3675 XSETINT (bar
->top
, top
);
3676 XSETINT (bar
->width
, sb_width
);
3677 XSETINT (bar
->height
, height
);
3682 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3684 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3686 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3690 /* The following three hooks are used when we're doing a thorough
3691 redisplay of the frame. We don't explicitly know which scroll bars
3692 are going to be deleted, because keeping track of when windows go
3693 away is a real pain - "Can you say set-window-configuration, boys
3694 and girls?" Instead, we just assert at the beginning of redisplay
3695 that *all* scroll bars are to be removed, and then save a scroll bar
3696 from the fiery pit when we actually redisplay its window. */
3698 /* Arrange for all scroll bars on FRAME to be removed at the next call
3699 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3700 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3703 w32_condemn_scroll_bars (frame
)
3706 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3707 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3710 bar
= FRAME_SCROLL_BARS (frame
);
3711 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3712 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3713 XSCROLL_BAR (bar
)->prev
= Qnil
;
3714 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3715 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3716 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3721 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3722 Note that WINDOW isn't necessarily condemned at all. */
3725 w32_redeem_scroll_bar (window
)
3726 struct window
*window
;
3728 struct scroll_bar
*bar
;
3731 /* We can't redeem this window's scroll bar if it doesn't have one. */
3732 if (NILP (window
->vertical_scroll_bar
))
3735 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3737 /* Unlink it from the condemned list. */
3738 f
= XFRAME (WINDOW_FRAME (window
));
3739 if (NILP (bar
->prev
))
3741 /* If the prev pointer is nil, it must be the first in one of
3743 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3744 /* It's not condemned. Everything's fine. */
3746 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3747 window
->vertical_scroll_bar
))
3748 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3750 /* If its prev pointer is nil, it must be at the front of
3751 one or the other! */
3755 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3757 if (! NILP (bar
->next
))
3758 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3760 bar
->next
= FRAME_SCROLL_BARS (f
);
3762 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3763 if (! NILP (bar
->next
))
3764 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3767 /* Remove all scroll bars on FRAME that haven't been saved since the
3768 last call to `*condemn_scroll_bars_hook'. */
3771 w32_judge_scroll_bars (f
)
3774 Lisp_Object bar
, next
;
3776 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3778 /* Clear out the condemned list now so we won't try to process any
3779 more events on the hapless scroll bars. */
3780 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3782 for (; ! NILP (bar
); bar
= next
)
3784 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3786 x_scroll_bar_remove (b
);
3789 b
->next
= b
->prev
= Qnil
;
3792 /* Now there should be no references to the condemned scroll bars,
3793 and they should get garbage-collected. */
3796 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3797 is set to something other than NO_EVENT, it is enqueued.
3799 This may be called from a signal handler, so we have to ignore GC
3803 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3804 struct scroll_bar
*bar
;
3806 struct input_event
*emacs_event
;
3808 if (! WINDOWP (bar
->window
))
3811 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3812 emacs_event
->code
= 0;
3813 /* not really meaningful to distinguish up/down */
3814 emacs_event
->modifiers
= msg
->dwModifiers
;
3815 emacs_event
->frame_or_window
= bar
->window
;
3816 emacs_event
->arg
= Qnil
;
3817 emacs_event
->timestamp
= msg
->msg
.time
;
3820 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3822 int dragging
= !NILP (bar
->dragging
);
3825 si
.cbSize
= sizeof (si
);
3828 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3831 bar
->dragging
= Qnil
;
3834 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3836 switch (LOWORD (msg
->msg
.wParam
))
3839 emacs_event
->part
= scroll_bar_down_arrow
;
3842 emacs_event
->part
= scroll_bar_up_arrow
;
3845 emacs_event
->part
= scroll_bar_above_handle
;
3848 emacs_event
->part
= scroll_bar_below_handle
;
3851 emacs_event
->part
= scroll_bar_handle
;
3855 emacs_event
->part
= scroll_bar_handle
;
3859 case SB_THUMBPOSITION
:
3860 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3861 y
= HIWORD (msg
->msg
.wParam
);
3863 emacs_event
->part
= scroll_bar_handle
;
3865 /* "Silently" update current position. */
3869 si
.cbSize
= sizeof (si
);
3872 /* Remember apparent position (we actually lag behind the real
3873 position, so don't set that directly. */
3874 last_scroll_bar_drag_pos
= y
;
3876 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3880 /* If this is the end of a drag sequence, then reset the scroll
3881 handle size to normal and do a final redraw. Otherwise do
3886 int start
= XINT (bar
->start
);
3887 int end
= XINT (bar
->end
);
3889 si
.cbSize
= sizeof (si
);
3890 si
.fMask
= SIF_PAGE
| SIF_POS
;
3891 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3892 si
.nPos
= last_scroll_bar_drag_pos
;
3893 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3897 emacs_event
->kind
= NO_EVENT
;
3901 XSETINT (emacs_event
->x
, y
);
3902 XSETINT (emacs_event
->y
, top_range
);
3908 /* Return information to the user about the current position of the mouse
3909 on the scroll bar. */
3912 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
3914 Lisp_Object
*bar_window
;
3915 enum scroll_bar_part
*part
;
3917 unsigned long *time
;
3919 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3920 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3921 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3923 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3929 *bar_window
= bar
->window
;
3931 si
.cbSize
= sizeof (si
);
3932 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3934 GetScrollInfo (w
, SB_CTL
, &si
);
3936 top_range
= si
.nMax
- si
.nPage
+ 1;
3938 switch (LOWORD (last_mouse_scroll_bar_pos
))
3940 case SB_THUMBPOSITION
:
3942 *part
= scroll_bar_handle
;
3943 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3944 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3947 *part
= scroll_bar_handle
;
3951 *part
= scroll_bar_handle
;
3956 XSETINT (*y
, top_range
);
3959 last_mouse_scroll_bar
= Qnil
;
3961 *time
= last_mouse_movement_time
;
3967 /* The screen has been cleared so we may have changed foreground or
3968 background colors, and the scroll bars may need to be redrawn.
3969 Clear out the scroll bars, and ask for expose events, so we can
3973 x_scroll_bar_clear (f
)
3978 /* We can have scroll bars even if this is 0,
3979 if we just turned off scroll bar mode.
3980 But in that case we should not clear them. */
3981 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
3982 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3983 bar
= XSCROLL_BAR (bar
)->next
)
3985 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
3986 HDC hdc
= GetDC (window
);
3989 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
3990 arranges to refresh the scroll bar if hidden. */
3991 my_show_window (f
, window
, SW_HIDE
);
3993 GetClientRect (window
, &rect
);
3994 select_palette (f
, hdc
);
3995 w32_clear_rect (f
, hdc
, &rect
);
3996 deselect_palette (f
, hdc
);
3998 ReleaseDC (window
, hdc
);
4003 /* The main W32 event-reading loop - w32_read_socket. */
4005 /* Record the last 100 characters stored
4006 to help debug the loss-of-chars-during-GC problem. */
4008 static int temp_index
;
4009 static short temp_buffer
[100];
4011 /* Temporarily store lead byte of DBCS input sequences. */
4012 static char dbcs_lead
= 0;
4014 /* Read events coming from the W32 shell.
4015 This routine is called by the SIGIO handler.
4016 We return as soon as there are no more events to be read.
4018 We return the number of characters stored into the buffer,
4019 thus pretending to be `read'.
4021 EXPECTED is nonzero if the caller knows input is available.
4023 Some of these messages are reposted back to the message queue since the
4024 system calls the windows proc directly in a context where we cannot return
4025 the data nor can we guarantee the state we are in. So if we dispatch them
4026 we will get into an infinite loop. To prevent this from ever happening we
4027 will set a variable to indicate we are in the read_socket call and indicate
4028 which message we are processing since the windows proc gets called
4029 recursively with different messages by the system.
4033 w32_read_socket (sd
, expected
, hold_quit
)
4036 struct input_event
*hold_quit
;
4039 int check_visibility
= 0;
4042 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4044 if (interrupt_input_blocked
)
4046 interrupt_input_pending
= 1;
4050 interrupt_input_pending
= 0;
4053 /* So people can tell when we have read the available input. */
4054 input_signal_count
++;
4056 /* TODO: ghostscript integration. */
4057 while (get_next_msg (&msg
, FALSE
))
4059 struct input_event inev
;
4063 inev
.kind
= NO_EVENT
;
4066 switch (msg
.msg
.message
)
4069 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4073 if (msg
.rect
.right
== msg
.rect
.left
||
4074 msg
.rect
.bottom
== msg
.rect
.top
)
4076 /* We may get paint messages even though the client
4077 area is clipped - these are not expose events. */
4078 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4081 else if (f
->async_visible
!= 1)
4083 /* Definitely not obscured, so mark as visible. */
4084 f
->async_visible
= 1;
4085 f
->async_iconified
= 0;
4086 SET_FRAME_GARBAGED (f
);
4087 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4090 /* WM_PAINT serves as MapNotify as well, so report
4091 visibility changes properly. */
4094 inev
.kind
= DEICONIFY_EVENT
;
4095 XSETFRAME (inev
.frame_or_window
, f
);
4097 else if (! NILP (Vframe_list
)
4098 && ! NILP (XCDR (Vframe_list
)))
4099 /* Force a redisplay sooner or later to update the
4100 frame titles in case this is the second frame. */
4101 record_asynch_buffer_change ();
4105 HDC hdc
= get_frame_dc (f
);
4107 /* Erase background again for safety. */
4108 w32_clear_rect (f
, hdc
, &msg
.rect
);
4109 release_frame_dc (f
, hdc
);
4113 msg
.rect
.right
- msg
.rect
.left
,
4114 msg
.rect
.bottom
- msg
.rect
.top
);
4119 case WM_INPUTLANGCHANGE
:
4120 /* Generate a language change event. */
4121 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4125 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4126 XSETFRAME (inev
.frame_or_window
, f
);
4127 inev
.code
= msg
.msg
.wParam
;
4128 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4134 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4136 if (f
&& !f
->iconified
)
4138 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4139 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4141 clear_mouse_face (dpyinfo
);
4142 dpyinfo
->mouse_face_hidden
= 1;
4145 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4147 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4148 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4149 inev
.code
= msg
.msg
.wParam
;
4150 inev
.modifiers
= msg
.dwModifiers
;
4151 XSETFRAME (inev
.frame_or_window
, f
);
4152 inev
.timestamp
= msg
.msg
.time
;
4159 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4161 if (f
&& !f
->iconified
)
4163 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4164 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4166 clear_mouse_face (dpyinfo
);
4167 dpyinfo
->mouse_face_hidden
= 1;
4170 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4172 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4174 inev
.modifiers
= msg
.dwModifiers
;
4175 XSETFRAME (inev
.frame_or_window
, f
);
4176 inev
.timestamp
= msg
.msg
.time
;
4178 if (msg
.msg
.message
== WM_UNICHAR
)
4180 inev
.code
= msg
.msg
.wParam
;
4182 else if (msg
.msg
.wParam
< 256)
4187 dbcs
[1] = (char) msg
.msg
.wParam
;
4191 dbcs
[0] = dbcs_lead
;
4193 if (!MultiByteToWideChar (CP_ACP
, 0, dbcs
, 2, &code
, 1))
4196 DebPrint (("Invalid DBCS sequence: %d %d\n",
4198 inev
.kind
= NO_EVENT
;
4202 else if (IsDBCSLeadByteEx (CP_ACP
, (BYTE
) msg
.msg
.wParam
))
4204 dbcs_lead
= (char) msg
.msg
.wParam
;
4205 inev
.kind
= NO_EVENT
;
4210 if (!MultiByteToWideChar (CP_ACP
, 0, &dbcs
[1], 1,
4213 /* What to do with garbage? */
4214 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4215 inev
.kind
= NO_EVENT
;
4223 /* Windows shouldn't generate WM_CHAR events above 0xFF
4224 in non-Unicode message handlers. */
4225 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4226 inev
.kind
= NO_EVENT
;
4229 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4230 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4235 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4237 if (f
&& !f
->iconified
)
4239 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4240 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4242 clear_mouse_face (dpyinfo
);
4243 dpyinfo
->mouse_face_hidden
= 1;
4246 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4248 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4249 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4250 inev
.code
= GET_APPCOMMAND_LPARAM(msg
.msg
.lParam
);
4251 inev
.modifiers
= msg
.dwModifiers
;
4252 XSETFRAME (inev
.frame_or_window
, f
);
4253 inev
.timestamp
= msg
.msg
.time
;
4258 /* Ignore non-movement. */
4260 int x
= LOWORD (msg
.msg
.lParam
);
4261 int y
= HIWORD (msg
.msg
.lParam
);
4262 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4264 last_mousemove_x
= x
;
4265 last_mousemove_y
= y
;
4268 previous_help_echo_string
= help_echo_string
;
4269 help_echo_string
= Qnil
;
4271 if (dpyinfo
->grabbed
&& last_mouse_frame
4272 && FRAME_LIVE_P (last_mouse_frame
))
4273 f
= last_mouse_frame
;
4275 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4277 if (dpyinfo
->mouse_face_hidden
)
4279 dpyinfo
->mouse_face_hidden
= 0;
4280 clear_mouse_face (dpyinfo
);
4285 /* Generate SELECT_WINDOW_EVENTs when needed. */
4286 if (!NILP (Vmouse_autoselect_window
))
4289 int x
= LOWORD (msg
.msg
.lParam
);
4290 int y
= HIWORD (msg
.msg
.lParam
);
4292 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4294 /* Window will be selected only when it is not
4295 selected now and last mouse movement event was
4296 not in it. Minibuffer window will be selected
4297 only when it is active. */
4299 && !EQ (window
, last_window
)
4300 && !EQ (window
, selected_window
)
4301 /* For click-to-focus window managers
4302 create event iff we don't leave the
4304 && (focus_follows_mouse
4305 || (EQ (XWINDOW (window
)->frame
,
4306 XWINDOW (selected_window
)->frame
))))
4308 inev
.kind
= SELECT_WINDOW_EVENT
;
4309 inev
.frame_or_window
= window
;
4314 if (!note_mouse_movement (f
, &msg
.msg
))
4315 help_echo_string
= previous_help_echo_string
;
4319 /* If we move outside the frame, then we're
4320 certainly no longer on any text in the frame. */
4321 clear_mouse_face (dpyinfo
);
4324 /* If the contents of the global variable help_echo_string
4325 has changed, generate a HELP_EVENT. */
4326 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4327 But it was originally changed to this to fix a bug, so I have
4328 not removed it completely in case the bug is still there. */
4329 if (help_echo_string
!= previous_help_echo_string
||
4330 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4331 #else /* This is what xterm.c does. */
4332 if (!NILP (help_echo_string
)
4333 || !NILP (previous_help_echo_string
))
4338 case WM_LBUTTONDOWN
:
4340 case WM_MBUTTONDOWN
:
4342 case WM_RBUTTONDOWN
:
4344 case WM_XBUTTONDOWN
:
4347 /* If we decide we want to generate an event to be seen
4348 by the rest of Emacs, we put it here. */
4353 if (dpyinfo
->grabbed
&& last_mouse_frame
4354 && FRAME_LIVE_P (last_mouse_frame
))
4355 f
= last_mouse_frame
;
4357 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4361 construct_mouse_click (&inev
, &msg
, f
);
4363 /* Is this in the tool-bar? */
4364 if (WINDOWP (f
->tool_bar_window
)
4365 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4368 int x
= XFASTINT (inev
.x
);
4369 int y
= XFASTINT (inev
.y
);
4371 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4373 if (EQ (window
, f
->tool_bar_window
))
4375 w32_handle_tool_bar_click (f
, &inev
);
4381 || (dpyinfo
->w32_focus_frame
4382 && f
!= dpyinfo
->w32_focus_frame
))
4383 inev
.kind
= NO_EVENT
;
4386 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4391 dpyinfo
->grabbed
&= ~ (1 << button
);
4395 dpyinfo
->grabbed
|= (1 << button
);
4396 last_mouse_frame
= f
;
4397 /* Ignore any mouse motion that happened
4398 before this event; any subsequent mouse-movement
4399 Emacs events should reflect only motion after
4405 last_tool_bar_item
= -1;
4411 case WM_MOUSEHWHEEL
:
4413 if (dpyinfo
->grabbed
&& last_mouse_frame
4414 && FRAME_LIVE_P (last_mouse_frame
))
4415 f
= last_mouse_frame
;
4417 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4422 if (!dpyinfo
->w32_focus_frame
4423 || f
== dpyinfo
->w32_focus_frame
)
4425 /* Emit an Emacs wheel-up/down event. */
4426 construct_mouse_wheel (&inev
, &msg
, f
);
4428 /* Ignore any mouse motion that happened before this
4429 event; any subsequent mouse-movement Emacs events
4430 should reflect only motion after the
4434 last_mouse_frame
= f
;
4435 last_tool_bar_item
= -1;
4440 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4443 construct_drag_n_drop (&inev
, &msg
, f
);
4448 struct scroll_bar
*bar
=
4449 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4452 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4456 case WM_WINDOWPOSCHANGED
:
4457 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4460 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4461 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4463 check_visibility
= 1;
4467 case WM_ACTIVATEAPP
:
4468 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4470 x_check_fullscreen (f
);
4471 check_visibility
= 1;
4475 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4477 if (f
&& !f
->async_iconified
)
4481 x_real_positions (f
, &x
, &y
);
4486 check_visibility
= 1;
4490 /* wParam non-zero means Window is about to be shown, 0 means
4491 about to be hidden. */
4492 /* Redo the mouse-highlight after the tooltip has gone. */
4493 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4496 redo_mouse_highlight ();
4499 /* If window has been obscured or exposed by another window
4500 being maximised or minimised/restored, then recheck
4501 visibility of all frames. Direct changes to our own
4502 windows get handled by WM_SIZE. */
4504 if (msg
.msg
.lParam
!= 0)
4505 check_visibility
= 1;
4508 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4509 f
->async_visible
= msg
.msg
.wParam
;
4513 check_visibility
= 1;
4517 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4519 /* Inform lisp of whether frame has been iconified etc. */
4522 switch (msg
.msg
.wParam
)
4524 case SIZE_MINIMIZED
:
4525 f
->async_visible
= 0;
4526 f
->async_iconified
= 1;
4528 inev
.kind
= ICONIFY_EVENT
;
4529 XSETFRAME (inev
.frame_or_window
, f
);
4532 case SIZE_MAXIMIZED
:
4534 f
->async_visible
= 1;
4535 f
->async_iconified
= 0;
4537 /* wait_reading_process_output will notice this and update
4538 the frame's display structures. */
4539 SET_FRAME_GARBAGED (f
);
4545 /* Reset top and left positions of the Window
4546 here since Windows sends a WM_MOVE message
4547 BEFORE telling us the Window is minimized
4548 when the Window is iconified, with 3000,3000
4550 x_real_positions (f
, &x
, &y
);
4554 inev
.kind
= DEICONIFY_EVENT
;
4555 XSETFRAME (inev
.frame_or_window
, f
);
4557 else if (! NILP (Vframe_list
)
4558 && ! NILP (XCDR (Vframe_list
)))
4559 /* Force a redisplay sooner or later
4560 to update the frame titles
4561 in case this is the second frame. */
4562 record_asynch_buffer_change ();
4567 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4575 GetClientRect (msg
.msg
.hwnd
, &rect
);
4577 height
= rect
.bottom
- rect
.top
;
4578 width
= rect
.right
- rect
.left
;
4580 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4581 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4583 /* TODO: Clip size to the screen dimensions. */
4585 /* Even if the number of character rows and columns has
4586 not changed, the font size may have changed, so we need
4587 to check the pixel dimensions as well. */
4589 if (columns
!= FRAME_COLS (f
)
4590 || rows
!= FRAME_LINES (f
)
4591 || width
!= FRAME_PIXEL_WIDTH (f
)
4592 || height
!= FRAME_PIXEL_HEIGHT (f
))
4594 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4595 SET_FRAME_GARBAGED (f
);
4596 cancel_mouse_face (f
);
4597 FRAME_PIXEL_WIDTH (f
) = width
;
4598 FRAME_PIXEL_HEIGHT (f
) = height
;
4599 f
->win_gravity
= NorthWestGravity
;
4603 check_visibility
= 1;
4607 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4610 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4612 /* If we move outside the frame, then we're
4613 certainly no longer on any text in the frame. */
4614 clear_mouse_face (dpyinfo
);
4615 dpyinfo
->mouse_face_mouse_frame
= 0;
4618 /* Generate a nil HELP_EVENT to cancel a help-echo.
4619 Do it only if there's something to cancel.
4620 Otherwise, the startup message is cleared when
4621 the mouse leaves the frame. */
4622 if (any_help_event_p
)
4628 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4630 dpyinfo
->grabbed
= 0;
4631 check_visibility
= 1;
4635 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4639 if (f
== dpyinfo
->w32_focus_event_frame
)
4640 dpyinfo
->w32_focus_event_frame
= 0;
4642 if (f
== dpyinfo
->w32_focus_frame
)
4643 x_new_focus_frame (dpyinfo
, 0);
4645 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4647 /* If we move outside the frame, then we're
4648 certainly no longer on any text in the frame. */
4649 clear_mouse_face (dpyinfo
);
4650 dpyinfo
->mouse_face_mouse_frame
= 0;
4653 /* Generate a nil HELP_EVENT to cancel a help-echo.
4654 Do it only if there's something to cancel.
4655 Otherwise, the startup message is cleared when
4656 the mouse leaves the frame. */
4657 if (any_help_event_p
)
4661 dpyinfo
->grabbed
= 0;
4662 check_visibility
= 1;
4666 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4670 inev
.kind
= DELETE_WINDOW_EVENT
;
4671 XSETFRAME (inev
.frame_or_window
, f
);
4676 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4680 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4681 XSETFRAME (inev
.frame_or_window
, f
);
4686 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4690 extern void menubar_selection_callback
4691 (FRAME_PTR f
, void * client_data
);
4692 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4695 check_visibility
= 1;
4698 case WM_DISPLAYCHANGE
:
4699 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4703 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4704 DebPrint (("display change: %d %d\n",
4705 (short) LOWORD (msg
.msg
.lParam
),
4706 (short) HIWORD (msg
.msg
.lParam
)));
4709 check_visibility
= 1;
4713 /* Check for messages registered at runtime. */
4714 if (msg
.msg
.message
== msh_mousewheel
)
4716 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4717 msg
.msg
.message
= WM_MOUSEWHEEL
;
4723 if (inev
.kind
!= NO_EVENT
)
4725 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4730 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4735 XSETFRAME (frame
, f
);
4741 if (NILP (help_echo_string
))
4743 help_echo_object
= help_echo_window
= Qnil
;
4747 any_help_event_p
= 1;
4748 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4749 help_echo_object
, help_echo_pos
);
4753 help_echo_string
= Qnil
;
4754 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4760 /* If the focus was just given to an autoraising frame,
4762 /* ??? This ought to be able to handle more than one such frame. */
4763 if (pending_autoraise_frame
)
4765 x_raise_frame (pending_autoraise_frame
);
4766 pending_autoraise_frame
= 0;
4769 /* Check which frames are still visisble, if we have enqueued any user
4770 events or been notified of events that may affect visibility. We
4771 do this here because there doesn't seem to be any direct
4772 notification from Windows that the visibility of a window has
4773 changed (at least, not in all cases). */
4774 if (count
> 0 || check_visibility
)
4776 Lisp_Object tail
, frame
;
4778 FOR_EACH_FRAME (tail
, frame
)
4780 FRAME_PTR f
= XFRAME (frame
);
4781 /* The tooltip has been drawn already. Avoid the
4782 SET_FRAME_GARBAGED below. */
4783 if (EQ (frame
, tip_frame
))
4786 /* Check "visible" frames and mark each as obscured or not.
4787 Note that async_visible is nonzero for unobscured and
4788 obscured frames, but zero for hidden and iconified frames. */
4789 if (FRAME_W32_P (f
) && f
->async_visible
)
4795 /* Query clipping rectangle for the entire window area
4796 (GetWindowDC), not just the client portion (GetDC).
4797 Otherwise, the scrollbars and menubar aren't counted as
4798 part of the visible area of the frame, and we may think
4799 the frame is obscured when really a scrollbar is still
4800 visible and gets WM_PAINT messages above. */
4801 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4802 GetClipBox (hdc
, &clipbox
);
4803 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4806 if (clipbox
.right
== clipbox
.left
4807 || clipbox
.bottom
== clipbox
.top
)
4809 /* Frame has become completely obscured so mark as
4810 such (we do this by setting async_visible to 2 so
4811 that FRAME_VISIBLE_P is still true, but redisplay
4813 f
->async_visible
= 2;
4815 if (!FRAME_OBSCURED_P (f
))
4817 DebPrint (("frame %p (%s) obscured\n", f
,
4823 /* Frame is not obscured, so mark it as such. */
4824 f
->async_visible
= 1;
4826 if (FRAME_OBSCURED_P (f
))
4828 SET_FRAME_GARBAGED (f
);
4829 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4832 /* Force a redisplay sooner or later. */
4833 record_asynch_buffer_change ();
4846 /***********************************************************************
4848 ***********************************************************************/
4850 /* Set clipping for output in glyph row ROW. W is the window in which
4851 we operate. GC is the graphics context to set clipping in.
4853 ROW may be a text row or, e.g., a mode line. Text rows must be
4854 clipped to the interior of the window dedicated to text display,
4855 mode lines must be clipped to the whole window. */
4858 w32_clip_to_row (w
, row
, area
, hdc
)
4860 struct glyph_row
*row
;
4864 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4866 int window_x
, window_y
, window_width
;
4868 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4870 clip_rect
.left
= window_x
;
4871 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4872 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4873 clip_rect
.right
= clip_rect
.left
+ window_width
;
4874 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4876 w32_set_clip_rectangle (hdc
, &clip_rect
);
4880 /* Draw a hollow box cursor on window W in glyph row ROW. */
4883 x_draw_hollow_cursor (w
, row
)
4885 struct glyph_row
*row
;
4887 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4891 struct glyph
*cursor_glyph
;
4892 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4894 /* Get the glyph the cursor is on. If we can't tell because
4895 the current matrix is invalid or such, give up. */
4896 cursor_glyph
= get_phys_cursor_glyph (w
);
4897 if (cursor_glyph
== NULL
)
4900 /* Compute frame-relative coordinates for phys cursor. */
4901 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4904 rect
.bottom
= rect
.top
+ h
;
4905 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4907 hdc
= get_frame_dc (f
);
4908 /* Set clipping, draw the rectangle, and reset clipping again. */
4909 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4910 FrameRect (hdc
, &rect
, hb
);
4912 w32_set_clip_rectangle (hdc
, NULL
);
4913 release_frame_dc (f
, hdc
);
4917 /* Draw a bar cursor on window W in glyph row ROW.
4919 Implementation note: One would like to draw a bar cursor with an
4920 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4921 Unfortunately, I didn't find a font yet that has this property set.
4925 x_draw_bar_cursor (w
, row
, width
, kind
)
4927 struct glyph_row
*row
;
4929 enum text_cursor_kinds kind
;
4931 struct frame
*f
= XFRAME (w
->frame
);
4932 struct glyph
*cursor_glyph
;
4936 /* If cursor is out of bounds, don't draw garbage. This can happen
4937 in mini-buffer windows when switching between echo area glyphs
4939 cursor_glyph
= get_phys_cursor_glyph (w
);
4940 if (cursor_glyph
== NULL
)
4943 /* If on an image, draw like a normal cursor. That's usually better
4944 visible than drawing a bar, esp. if the image is large so that
4945 the bar might not be in the window. */
4946 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4948 struct glyph_row
*row
;
4949 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4950 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4954 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4955 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4957 /* If the glyph's background equals the color we normally draw
4958 the bar cursor in, the bar cursor in its normal color is
4959 invisible. Use the glyph's foreground color instead in this
4960 case, on the assumption that the glyph's colors are chosen so
4961 that the glyph is legible. */
4962 if (face
->background
== cursor_color
)
4963 cursor_color
= face
->foreground
;
4965 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4968 width
= FRAME_CURSOR_WIDTH (f
);
4969 width
= min (cursor_glyph
->pixel_width
, width
);
4971 w
->phys_cursor_width
= width
;
4974 hdc
= get_frame_dc (f
);
4975 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4977 if (kind
== BAR_CURSOR
)
4979 w32_fill_area (f
, hdc
, cursor_color
, x
,
4980 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
4981 width
, row
->height
);
4985 w32_fill_area (f
, hdc
, cursor_color
, x
,
4986 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
4987 row
->height
- width
),
4988 cursor_glyph
->pixel_width
, width
);
4991 w32_set_clip_rectangle (hdc
, NULL
);
4992 release_frame_dc (f
, hdc
);
4997 /* RIF: Define cursor CURSOR on frame F. */
5000 w32_define_frame_cursor (f
, cursor
)
5004 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5008 /* RIF: Clear area on frame F. */
5011 w32_clear_frame_area (f
, x
, y
, width
, height
)
5013 int x
, y
, width
, height
;
5017 hdc
= get_frame_dc (f
);
5018 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5019 release_frame_dc (f
, hdc
);
5022 /* RIF: Draw or clear cursor on window W. */
5025 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5027 struct glyph_row
*glyph_row
;
5029 int cursor_type
, cursor_width
;
5034 /* If the user wants to use the system caret, make sure our own
5035 cursor remains invisible. */
5036 if (w32_use_visible_system_caret
)
5038 /* Call to erase_phys_cursor here seems to use the
5039 wrong values of w->phys_cursor, as they have been
5040 overwritten before this function was called. */
5041 if (w
->phys_cursor_type
!= NO_CURSOR
)
5042 erase_phys_cursor (w
);
5044 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5045 w
->phys_cursor_width
= -1;
5049 w
->phys_cursor_type
= cursor_type
;
5052 w
->phys_cursor_on_p
= 1;
5054 /* If this is the active cursor, we need to track it with the
5055 system caret, so third party software like screen magnifiers
5056 and speech synthesizers can follow the cursor. */
5059 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5060 HWND hwnd
= FRAME_W32_WINDOW (f
);
5063 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5065 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5066 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5068 /* If the size of the active cursor changed, destroy the old
5070 if (w32_system_caret_hwnd
5071 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5072 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5074 w32_system_caret_height
= w
->phys_cursor_height
;
5076 /* Move the system caret. */
5077 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5080 if (glyph_row
->exact_window_width_line_p
5081 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5083 glyph_row
->cursor_in_fringe_p
= 1;
5084 draw_fringe_bitmap (w
, glyph_row
, 0);
5088 switch (cursor_type
)
5090 case HOLLOW_BOX_CURSOR
:
5091 x_draw_hollow_cursor (w
, glyph_row
);
5094 case FILLED_BOX_CURSOR
:
5095 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5099 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5103 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5107 w
->phys_cursor_width
= 0;
5121 x_bitmap_icon (f
, icon
)
5126 HANDLE small_icon
= NULL
;
5128 if (FRAME_W32_WINDOW (f
) == 0)
5132 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5133 else if (STRINGP (icon
))
5135 /* Load the main icon from the named file. */
5136 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5137 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5138 /* Try to load a small icon to go with it. */
5139 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5140 GetSystemMetrics (SM_CXSMICON
),
5141 GetSystemMetrics (SM_CYSMICON
),
5144 else if (SYMBOLP (icon
))
5148 if (EQ (icon
, intern ("application")))
5149 name
= (LPCTSTR
) IDI_APPLICATION
;
5150 else if (EQ (icon
, intern ("hand")))
5151 name
= (LPCTSTR
) IDI_HAND
;
5152 else if (EQ (icon
, intern ("question")))
5153 name
= (LPCTSTR
) IDI_QUESTION
;
5154 else if (EQ (icon
, intern ("exclamation")))
5155 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5156 else if (EQ (icon
, intern ("asterisk")))
5157 name
= (LPCTSTR
) IDI_ASTERISK
;
5158 else if (EQ (icon
, intern ("winlogo")))
5159 name
= (LPCTSTR
) IDI_WINLOGO
;
5163 main_icon
= LoadIcon (NULL
, name
);
5168 if (main_icon
== NULL
)
5171 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5172 (LPARAM
) main_icon
);
5174 /* If there is a small icon that goes with it, set that too. */
5176 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5177 (LPARAM
) small_icon
);
5183 /************************************************************************
5185 ************************************************************************/
5187 /* Display Error Handling functions not used on W32. Listing them here
5188 helps diff stay in step when comparing w32term.c with xterm.c.
5190 x_error_catcher (display, error)
5191 x_catch_errors (dpy)
5192 x_catch_errors_unwind (old_val)
5193 x_check_errors (dpy, format)
5194 x_fully_uncatch_errors ()
5195 x_catching_errors ()
5196 x_had_errors_p (dpy)
5197 x_clear_errors (dpy)
5198 x_uncatch_errors (dpy, count)
5200 x_connection_signal (signalnum)
5201 x_connection_closed (dpy, error_message)
5202 x_error_quitter (display, error)
5203 x_error_handler (display, error)
5204 x_io_error_quitter (display)
5209 /* Changing the font of the frame. */
5212 x_new_font (f
, font_object
, fontset
)
5214 Lisp_Object font_object
;
5217 struct font
*font
= XFONT_OBJECT (font_object
);
5220 fontset
= fontset_from_font (font_object
);
5221 FRAME_FONTSET (f
) = fontset
;
5222 if (FRAME_FONT (f
) == font
)
5223 /* This font is already set in frame F. There's nothing more to
5225 return fontset_name (fontset
);
5229 FRAME_FONT (f
) = font
;
5230 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5231 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5232 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5233 FRAME_LINE_HEIGHT (f
) = font
->height
;
5235 compute_fringe_widths (f
, 1);
5237 /* Compute the scroll bar width in character columns. */
5238 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5240 int wid
= FRAME_COLUMN_WIDTH (f
);
5241 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5242 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5246 int wid
= FRAME_COLUMN_WIDTH (f
);
5247 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5250 /* Now make the frame display the given font. */
5251 if (FRAME_X_WINDOW (f
) != 0)
5253 /* Don't change the size of a tip frame; there's no point in
5254 doing it because it's done in Fx_show_tip, and it leads to
5255 problems because the tip frame has no widget. */
5256 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5257 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5262 && (FRAME_XIC_STYLE (f
) & (XIMPreeditPosition
| XIMStatusArea
)))
5263 xic_set_xfontset (f
, SDATA (fontset_ascii (fontset
)));
5268 return fontset_name (fontset
);
5272 /***********************************************************************
5273 TODO: W32 Input Methods
5274 ***********************************************************************/
5275 /* Listing missing functions from xterm.c helps diff stay in step.
5277 xim_destroy_callback (xim, client_data, call_data)
5278 xim_open_dpy (dpyinfo, resource_name)
5280 xim_instantiate_callback (display, client_data, call_data)
5281 xim_initialize (dpyinfo, resource_name)
5282 xim_close_dpy (dpyinfo)
5287 /* Calculate the absolute position in frame F
5288 from its current recorded position values and gravity. */
5291 x_calc_absolute_position (f
)
5294 int flags
= f
->size_hint_flags
;
5296 /* The sum of the widths of the frame's left and right borders, and
5297 the sum of the heights of the frame's top and bottom borders (in
5298 pixels) drawn by Windows. */
5299 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5301 /* Try to get the actual values of these two variables. We compute
5302 the border width (height) by subtracting the width (height) of
5303 the frame's client area from the width (height) of the frame's
5305 WINDOWPLACEMENT wp
= { 0 };
5306 RECT client_rect
= { 0 };
5308 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5309 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5311 left_right_borders_width
=
5312 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5313 (client_rect
.right
- client_rect
.left
);
5315 top_bottom_borders_height
=
5316 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5317 (client_rect
.bottom
- client_rect
.top
);
5321 /* Use sensible default values. */
5322 left_right_borders_width
= 8;
5323 top_bottom_borders_height
= 32;
5326 /* Treat negative positions as relative to the rightmost bottommost
5327 position that fits on the screen. */
5328 if (flags
& XNegative
)
5329 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5330 - FRAME_PIXEL_WIDTH (f
)
5332 - (left_right_borders_width
- 1));
5334 if (flags
& YNegative
)
5335 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5336 - FRAME_PIXEL_HEIGHT (f
)
5338 - (top_bottom_borders_height
- 1));
5340 /* The left_pos and top_pos are now relative to the top and left
5341 screen edges, so the flags should correspond. */
5342 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5345 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5346 to really change the position, and 0 when calling from
5347 x_make_frame_visible (in that case, XOFF and YOFF are the current
5348 position values). It is -1 when calling from x_set_frame_parameters,
5349 which means, do adjust for borders but don't change the gravity. */
5352 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5354 register int xoff
, yoff
;
5357 int modified_top
, modified_left
;
5359 if (change_gravity
> 0)
5363 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5365 f
->size_hint_flags
|= XNegative
;
5367 f
->size_hint_flags
|= YNegative
;
5368 f
->win_gravity
= NorthWestGravity
;
5370 x_calc_absolute_position (f
);
5373 x_wm_set_size_hint (f
, (long) 0, 0);
5375 modified_left
= f
->left_pos
;
5376 modified_top
= f
->top_pos
;
5378 my_set_window_pos (FRAME_W32_WINDOW (f
),
5380 modified_left
, modified_top
,
5382 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5387 /* Check if we need to resize the frame due to a fullscreen request.
5388 If so needed, resize the frame. */
5390 x_check_fullscreen (f
)
5393 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5395 int width
, height
, ign
;
5397 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5399 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5401 /* We do not need to move the window, it shall be taken care of
5402 when setting WM manager hints. */
5403 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5405 change_frame_size (f
, height
, width
, 0, 1, 0);
5406 SET_FRAME_GARBAGED (f
);
5407 cancel_mouse_face (f
);
5409 /* Wait for the change of frame size to occur */
5410 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5415 /* Call this to change the size of frame F's x-window.
5416 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5417 for this size change and subsequent size changes.
5418 Otherwise we leave the window gravity unchanged. */
5421 x_set_window_size (f
, change_gravity
, cols
, rows
)
5426 int pixelwidth
, pixelheight
;
5430 check_frame_size (f
, &rows
, &cols
);
5431 f
->scroll_bar_actual_width
5432 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5434 compute_fringe_widths (f
, 0);
5436 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5437 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5439 f
->win_gravity
= NorthWestGravity
;
5440 x_wm_set_size_hint (f
, (long) 0, 0);
5445 rect
.left
= rect
.top
= 0;
5446 rect
.right
= pixelwidth
;
5447 rect
.bottom
= pixelheight
;
5449 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5450 FRAME_EXTERNAL_MENU_BAR (f
));
5452 my_set_window_pos (FRAME_W32_WINDOW (f
),
5455 rect
.right
- rect
.left
,
5456 rect
.bottom
- rect
.top
,
5457 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5461 /* The following mirrors what is done in xterm.c. It appears to be
5462 for informing lisp of the new size immediately, while the actual
5463 resize will happen asynchronously. But on Windows, the menu bar
5464 automatically wraps when the frame is too narrow to contain it,
5465 and that causes any calculations made here to come out wrong. The
5466 end is some nasty buggy behavior, including the potential loss
5469 Disabling this code is either not sufficient to fix the problems
5470 completely, or it causes fresh problems, but at least it removes
5471 the most problematic symptom of the minibuffer becoming unusable.
5473 -----------------------------------------------------------------
5475 Now, strictly speaking, we can't be sure that this is accurate,
5476 but the window manager will get around to dealing with the size
5477 change request eventually, and we'll hear how it went when the
5478 ConfigureNotify event gets here.
5480 We could just not bother storing any of this information here,
5481 and let the ConfigureNotify event set everything up, but that
5482 might be kind of confusing to the Lisp code, since size changes
5483 wouldn't be reported in the frame parameters until some random
5484 point in the future when the ConfigureNotify event arrives.
5486 We pass 1 for DELAY since we can't run Lisp code inside of
5488 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5489 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5490 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5492 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5493 receive in the ConfigureNotify event; if we get what we asked
5494 for, then the event won't cause the screen to become garbaged, so
5495 we have to make sure to do it here. */
5496 SET_FRAME_GARBAGED (f
);
5498 /* If cursor was outside the new size, mark it as off. */
5499 mark_window_cursors_off (XWINDOW (f
->root_window
));
5501 /* Clear out any recollection of where the mouse highlighting was,
5502 since it might be in a place that's outside the new frame size.
5503 Actually checking whether it is outside is a pain in the neck,
5504 so don't try--just let the highlighting be done afresh with new size. */
5505 cancel_mouse_face (f
);
5511 /* Mouse warping. */
5513 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5516 x_set_mouse_position (f
, x
, y
)
5522 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5523 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5525 if (pix_x
< 0) pix_x
= 0;
5526 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5528 if (pix_y
< 0) pix_y
= 0;
5529 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5531 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5535 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5544 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5545 pt
.x
= rect
.left
+ pix_x
;
5546 pt
.y
= rect
.top
+ pix_y
;
5547 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5549 SetCursorPos (pt
.x
, pt
.y
);
5555 /* focus shifting, raising and lowering. */
5558 x_focus_on_frame (f
)
5561 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5563 /* Give input focus to frame. */
5566 /* Try not to change its Z-order if possible. */
5567 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5568 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5571 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5581 /* Raise frame F. */
5588 /* Strictly speaking, raise-frame should only change the frame's Z
5589 order, leaving input focus unchanged. This is reasonable behavior
5590 on X where the usual policy is point-to-focus. However, this
5591 behavior would be very odd on Windows where the usual policy is
5594 On X, if the mouse happens to be over the raised frame, it gets
5595 input focus anyway (so the window with focus will never be
5596 completely obscured) - if not, then just moving the mouse over it
5597 is sufficient to give it focus. On Windows, the user must actually
5598 click on the frame (preferrably the title bar so as not to move
5599 point), which is more awkward. Also, no other Windows program
5600 raises a window to the top but leaves another window (possibly now
5601 completely obscured) with input focus.
5603 Because there is a system setting on Windows that allows the user
5604 to choose the point to focus policy, we make the strict semantics
5605 optional, but by default we grab focus when raising. */
5607 if (NILP (Vw32_grab_focus_on_raise
))
5609 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5610 not already the foreground application: the frame is raised
5611 above all other frames belonging to us, but not above the
5612 current top window. To achieve that, we have to resort to this
5613 more cumbersome method. */
5615 HDWP handle
= BeginDeferWindowPos (2);
5618 DeferWindowPos (handle
,
5619 FRAME_W32_WINDOW (f
),
5622 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5624 DeferWindowPos (handle
,
5625 GetForegroundWindow (),
5626 FRAME_W32_WINDOW (f
),
5628 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5630 EndDeferWindowPos (handle
);
5635 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5641 /* Lower frame F. */
5647 my_set_window_pos (FRAME_W32_WINDOW (f
),
5650 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5655 w32_frame_raise_lower (f
, raise_flag
)
5659 if (! FRAME_W32_P (f
))
5668 /* Change of visibility. */
5670 /* This tries to wait until the frame is really visible.
5671 However, if the window manager asks the user where to position
5672 the frame, this will return before the user finishes doing that.
5673 The frame will not actually be visible at that time,
5674 but it will become visible later when the window manager
5675 finishes with it. */
5678 x_make_frame_visible (f
)
5685 type
= x_icon_type (f
);
5687 x_bitmap_icon (f
, type
);
5689 if (! FRAME_VISIBLE_P (f
))
5691 /* We test FRAME_GARBAGED_P here to make sure we don't
5692 call x_set_offset a second time
5693 if we get to x_make_frame_visible a second time
5694 before the window gets really visible. */
5695 if (! FRAME_ICONIFIED_P (f
)
5696 && ! f
->output_data
.w32
->asked_for_visible
)
5701 /* Adjust vertical window position in order to avoid being
5702 covered by a task bar placed at the bottom of the desktop. */
5703 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5704 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5705 if (window_rect
.bottom
> workarea_rect
.bottom
5706 && window_rect
.top
> workarea_rect
.top
)
5707 f
->top_pos
= max (window_rect
.top
5708 - window_rect
.bottom
+ workarea_rect
.bottom
,
5711 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5714 f
->output_data
.w32
->asked_for_visible
= 1;
5716 /* The first of these seems to give more expected behavior, but
5717 was added as a commented out line in Sept 1997, with the
5718 second version remaining uncommented. There may have been
5719 some problem with it that led to it not being enabled,
5720 so the old version remains commented out below in case we
5721 decide we need to go back to it [23.0.60 2008-06-09]. */
5722 my_show_window (f
, FRAME_W32_WINDOW (f
),
5723 f
->async_iconified
? SW_RESTORE
: SW_SHOW
);
5724 /* my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); */
5727 /* Synchronize to ensure Emacs knows the frame is visible
5728 before we do anything else. We do this loop with input not blocked
5729 so that incoming events are handled. */
5734 /* This must come after we set COUNT. */
5737 XSETFRAME (frame
, f
);
5739 /* Wait until the frame is visible. Process X events until a
5740 MapNotify event has been seen, or until we think we won't get a
5741 MapNotify at all.. */
5742 for (count
= input_signal_count
+ 10;
5743 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5745 /* Force processing of queued events. */
5746 /* TODO: x_sync equivalent? */
5748 /* Machines that do polling rather than SIGIO have been observed
5749 to go into a busy-wait here. So we'll fake an alarm signal
5750 to let the handler know that there's something to be read.
5751 We used to raise a real alarm, but it seems that the handler
5752 isn't always enabled here. This is probably a bug. */
5753 if (input_polling_used ())
5755 /* It could be confusing if a real alarm arrives while processing
5756 the fake one. Turn it off and let the handler reset it. */
5757 int old_poll_suppress_count
= poll_suppress_count
;
5758 poll_suppress_count
= 1;
5759 poll_for_input_1 ();
5760 poll_suppress_count
= old_poll_suppress_count
;
5763 FRAME_SAMPLE_VISIBILITY (f
);
5767 /* Change from mapped state to withdrawn state. */
5769 /* Make the frame visible (mapped and not iconified). */
5771 x_make_frame_invisible (f
)
5774 /* Don't keep the highlight on an invisible frame. */
5775 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5776 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5780 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5782 /* We can't distinguish this from iconification
5783 just by the event that we get from the server.
5784 So we can't win using the usual strategy of letting
5785 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5786 and synchronize with the server to make sure we agree. */
5788 FRAME_ICONIFIED_P (f
) = 0;
5789 f
->async_visible
= 0;
5790 f
->async_iconified
= 0;
5795 /* Change window state from mapped to iconified. */
5803 /* Don't keep the highlight on an invisible frame. */
5804 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5805 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5807 if (f
->async_iconified
)
5812 type
= x_icon_type (f
);
5814 x_bitmap_icon (f
, type
);
5816 /* Simulate the user minimizing the frame. */
5817 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5823 /* Free X resources of frame F. */
5826 x_free_frame_resources (f
)
5829 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5833 /* We must free faces before destroying windows because some
5834 font-driver (e.g. xft) access a window while finishing a
5836 if (FRAME_FACE_CACHE (f
))
5837 free_frame_faces (f
);
5839 if (FRAME_W32_WINDOW (f
))
5840 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5842 free_frame_menubar (f
);
5844 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5845 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5846 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5847 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5848 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5849 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5850 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5851 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5852 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5853 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5855 if (FRAME_FACE_CACHE (f
))
5856 free_frame_faces (f
);
5858 xfree (f
->output_data
.w32
);
5859 f
->output_data
.w32
= NULL
;
5861 if (f
== dpyinfo
->w32_focus_frame
)
5862 dpyinfo
->w32_focus_frame
= 0;
5863 if (f
== dpyinfo
->w32_focus_event_frame
)
5864 dpyinfo
->w32_focus_event_frame
= 0;
5865 if (f
== dpyinfo
->x_highlight_frame
)
5866 dpyinfo
->x_highlight_frame
= 0;
5868 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5870 dpyinfo
->mouse_face_beg_row
5871 = dpyinfo
->mouse_face_beg_col
= -1;
5872 dpyinfo
->mouse_face_end_row
5873 = dpyinfo
->mouse_face_end_col
= -1;
5874 dpyinfo
->mouse_face_window
= Qnil
;
5875 dpyinfo
->mouse_face_deferred_gc
= 0;
5876 dpyinfo
->mouse_face_mouse_frame
= 0;
5883 /* Destroy the window of frame F. */
5885 x_destroy_window (f
)
5888 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5890 x_free_frame_resources (f
);
5891 dpyinfo
->reference_count
--;
5895 /* Setting window manager hints. */
5897 /* Set the normal size hints for the window manager, for frame F.
5898 FLAGS is the flags word to use--or 0 meaning preserve the flags
5899 that the window now has.
5900 If USER_POSITION is nonzero, we set the USPosition
5901 flag (this is useful when FLAGS is 0). */
5903 x_wm_set_size_hint (f
, flags
, user_position
)
5908 Window window
= FRAME_W32_WINDOW (f
);
5912 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5913 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5914 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5915 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5920 /* Window manager things */
5922 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5927 Window window
= FRAME_W32_WINDOW (f
);
5929 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5930 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5931 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5933 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5938 /***********************************************************************
5940 ***********************************************************************/
5942 static int w32_initialized
= 0;
5945 w32_initialize_display_info (display_name
)
5946 Lisp_Object display_name
;
5948 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5950 bzero (dpyinfo
, sizeof (*dpyinfo
));
5952 /* Put it on w32_display_name_list. */
5953 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5954 w32_display_name_list
);
5955 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
5957 dpyinfo
->w32_id_name
5958 = (char *) xmalloc (SCHARS (Vinvocation_name
)
5959 + SCHARS (Vsystem_name
)
5961 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
5962 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
5964 /* Default Console mode values - overridden when running in GUI mode
5965 with values obtained from system metrics. */
5968 dpyinfo
->n_planes
= 1;
5969 dpyinfo
->n_cbits
= 4;
5970 dpyinfo
->n_fonts
= 0;
5971 dpyinfo
->smallest_font_height
= 1;
5972 dpyinfo
->smallest_char_width
= 1;
5974 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
5975 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
5976 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
5977 dpyinfo
->mouse_face_window
= Qnil
;
5978 dpyinfo
->mouse_face_overlay
= Qnil
;
5979 dpyinfo
->mouse_face_hidden
= 0;
5981 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
5982 /* TODO: dpyinfo->gray */
5986 /* Create an xrdb-style database of resources to supercede registry settings.
5987 The database is just a concatenation of C strings, finished by an additional
5988 \0. The strings are submitted to some basic normalization, so
5990 [ *]option[ *]:[ *]value...
5996 but any whitespace following value is not removed. */
5999 w32_make_rdb (xrm_option
)
6002 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6003 char *current
= buffer
;
6006 int before_value
= 0;
6020 if (in_option
&& (ch
== ':'))
6025 else if (before_value
)
6030 else if (!(in_option
|| before_value
))
6042 x_flush (struct frame
* f
)
6043 { /* Nothing to do */ }
6046 extern frame_parm_handler w32_frame_parm_handlers
[];
6048 static struct redisplay_interface w32_redisplay_interface
=
6050 w32_frame_parm_handlers
,
6054 x_clear_end_of_line
,
6056 x_after_update_window_line
,
6057 x_update_window_begin
,
6058 x_update_window_end
,
6061 0, /* flush_display_optional */
6062 x_clear_window_mouse_face
,
6063 x_get_glyph_overhangs
,
6064 x_fix_overlapping_area
,
6065 w32_draw_fringe_bitmap
,
6066 w32_define_fringe_bitmap
,
6067 w32_destroy_fringe_bitmap
,
6068 w32_compute_glyph_string_overhangs
,
6069 x_draw_glyph_string
,
6070 w32_define_frame_cursor
,
6071 w32_clear_frame_area
,
6072 w32_draw_window_cursor
,
6073 w32_draw_vertical_window_border
,
6074 w32_shift_glyphs_for_insert
6077 static void x_delete_terminal (struct terminal
*term
);
6079 static struct terminal
*
6080 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6082 struct terminal
*terminal
;
6084 terminal
= create_terminal ();
6086 terminal
->type
= output_w32
;
6087 terminal
->display_info
.w32
= dpyinfo
;
6088 dpyinfo
->terminal
= terminal
;
6090 /* MSVC does not type K&R functions with no arguments correctly, and
6091 so we must explicitly cast them. */
6092 terminal
->clear_frame_hook
= x_clear_frame
;
6093 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6094 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6095 terminal
->ring_bell_hook
= w32_ring_bell
;
6096 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6097 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6098 terminal
->update_begin_hook
= x_update_begin
;
6099 terminal
->update_end_hook
= x_update_end
;
6100 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6101 terminal
->read_socket_hook
= w32_read_socket
;
6102 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6103 terminal
->mouse_position_hook
= w32_mouse_position
;
6104 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6105 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6106 // terminal->fullscreen_hook = XTfullscreen_hook;
6107 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6108 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6109 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6110 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6112 terminal
->delete_frame_hook
= x_destroy_window
;
6113 terminal
->delete_terminal_hook
= x_delete_terminal
;
6115 terminal
->rif
= &w32_redisplay_interface
;
6116 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6117 terminal
->char_ins_del_ok
= 1;
6118 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6119 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6120 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6123 /* We don't yet support separate terminals on W32, so don't try to share
6124 keyboards between virtual terminals that are on the same physical
6125 terminal like X does. */
6126 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6127 init_kboard (terminal
->kboard
);
6128 terminal
->kboard
->Vwindow_system
= intern ("w32");
6129 terminal
->kboard
->next_kboard
= all_kboards
;
6130 all_kboards
= terminal
->kboard
;
6131 /* Don't let the initial kboard remain current longer than necessary.
6132 That would cause problems if a file loaded on startup tries to
6133 prompt in the mini-buffer. */
6134 if (current_kboard
== initial_kboard
)
6135 current_kboard
= terminal
->kboard
;
6136 terminal
->kboard
->reference_count
++;
6142 x_delete_terminal (struct terminal
*terminal
)
6144 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6147 /* Protect against recursive calls. Fdelete_frame in
6148 delete_terminal calls us back when it deletes our last frame. */
6149 if (!terminal
->name
)
6154 x_delete_display (dpyinfo
);
6158 struct w32_display_info
*
6159 w32_term_init (display_name
, xrm_option
, resource_name
)
6160 Lisp_Object display_name
;
6162 char *resource_name
;
6164 struct w32_display_info
*dpyinfo
;
6165 struct terminal
*terminal
;
6170 if (!w32_initialized
)
6173 w32_initialized
= 1;
6176 w32_initialize_display_info (display_name
);
6178 dpyinfo
= &one_w32_display_info
;
6179 terminal
= w32_create_terminal (dpyinfo
);
6181 /* Set the name of the terminal. */
6182 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6183 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6184 terminal
->name
[SBYTES (display_name
)] = 0;
6186 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6188 /* Put this display on the chain. */
6189 dpyinfo
->next
= x_display_list
;
6190 x_display_list
= dpyinfo
;
6192 hdc
= GetDC (GetDesktopWindow ());
6194 dpyinfo
->root_window
= GetDesktopWindow ();
6195 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6196 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6197 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6198 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6199 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6200 dpyinfo
->terminal
->image_cache
= make_image_cache ();
6201 ReleaseDC (GetDesktopWindow (), hdc
);
6203 /* initialise palette with white and black */
6206 w32_defined_color (0, "white", &color
, 1);
6207 w32_defined_color (0, "black", &color
, 1);
6210 /* Add the default keyboard. */
6211 add_keyboard_wait_descriptor (0);
6213 /* Create Fringe Bitmaps and store them for later use.
6215 On W32, bitmaps are all unsigned short, as Windows requires
6216 bitmap data to be Word aligned. For some reason they are
6217 horizontally reflected compared to how they appear on X, so we
6218 need to bitswap and convert to unsigned shorts before creating
6220 w32_init_fringe (terminal
->rif
);
6223 fcntl (connection
, F_SETOWN
, getpid ());
6224 #endif /* ! defined (F_SETOWN) */
6227 if (interrupt_input
)
6228 init_sigio (connection
);
6229 #endif /* ! defined (SIGIO) */
6236 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6238 x_delete_display (dpyinfo
)
6239 struct w32_display_info
*dpyinfo
;
6241 /* Discard this display from w32_display_name_list and w32_display_list.
6242 We can't use Fdelq because that can quit. */
6243 if (! NILP (w32_display_name_list
)
6244 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6245 w32_display_name_list
= XCDR (w32_display_name_list
);
6250 tail
= w32_display_name_list
;
6251 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6253 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6255 XSETCDR (tail
, XCDR (XCDR (tail
)));
6262 /* free palette table */
6264 struct w32_palette_entry
* plist
;
6266 plist
= dpyinfo
->color_list
;
6269 struct w32_palette_entry
* pentry
= plist
;
6270 plist
= plist
->next
;
6273 dpyinfo
->color_list
= NULL
;
6274 if (dpyinfo
->palette
)
6275 DeleteObject(dpyinfo
->palette
);
6277 xfree (dpyinfo
->w32_id_name
);
6279 w32_reset_fringes ();
6282 /* Set up use of W32. */
6284 DWORD WINAPI
w32_msg_worker (void * arg
);
6291 w32_system_caret_hwnd
= NULL
;
6292 w32_system_caret_height
= 0;
6293 w32_system_caret_x
= 0;
6294 w32_system_caret_y
= 0;
6296 /* Initialize w32_use_visible_system_caret based on whether a screen
6297 reader is in use. */
6298 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6299 &w32_use_visible_system_caret
, 0))
6300 w32_use_visible_system_caret
= 0;
6302 last_tool_bar_item
= -1;
6303 any_help_event_p
= 0;
6305 /* Initialize input mode: interrupt_input off, no flow control, allow
6306 8 bit character input, standard quit char. */
6307 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6309 /* Create the window thread - it will terminate itself or when the app terminates */
6313 dwMainThreadId
= GetCurrentThreadId ();
6314 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6315 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6317 /* Wait for thread to start */
6322 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6324 hWindowsThread
= CreateThread (NULL
, 0,
6326 0, 0, &dwWindowsThreadId
);
6328 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6331 /* It is desirable that mainThread should have the same notion of
6332 focus window and active window as windowsThread. Unfortunately, the
6333 following call to AttachThreadInput, which should do precisely what
6334 we need, causes major problems when Emacs is linked as a console
6335 program. Unfortunately, we have good reasons for doing that, so
6336 instead we need to send messages to windowsThread to make some API
6337 calls for us (ones that affect, or depend on, the active/focus
6339 #ifdef ATTACH_THREADS
6340 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6343 /* Dynamically link to optional system components. */
6345 HANDLE user_lib
= LoadLibrary ("user32.dll");
6347 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6349 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6353 FreeLibrary (user_lib
);
6355 /* Ensure scrollbar handle is at least 5 pixels. */
6356 vertical_scroll_bar_min_handle
= 5;
6358 /* For either kind of scroll bar, take account of the arrows; these
6359 effectively form the border of the main scroll bar range. */
6360 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6361 = GetSystemMetrics (SM_CYVSCROLL
);
6368 staticpro (&w32_display_name_list
);
6369 w32_display_name_list
= Qnil
;
6371 staticpro (&last_mouse_scroll_bar
);
6372 last_mouse_scroll_bar
= Qnil
;
6374 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6376 DEFVAR_INT ("w32-num-mouse-buttons",
6377 &w32_num_mouse_buttons
,
6378 doc
: /* Number of physical mouse buttons. */);
6379 w32_num_mouse_buttons
= 2;
6381 DEFVAR_LISP ("w32-swap-mouse-buttons",
6382 &Vw32_swap_mouse_buttons
,
6383 doc
: /* Swap the mapping of middle and right mouse buttons.
6384 When nil, middle button is mouse-2 and right button is mouse-3. */);
6385 Vw32_swap_mouse_buttons
= Qnil
;
6387 DEFVAR_LISP ("w32-grab-focus-on-raise",
6388 &Vw32_grab_focus_on_raise
,
6389 doc
: /* Raised frame grabs input focus.
6390 When t, `raise-frame' grabs input focus as well. This fits well
6391 with the normal Windows click-to-focus policy, but might not be
6392 desirable when using a point-to-focus policy. */);
6393 Vw32_grab_focus_on_raise
= Qt
;
6395 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6396 &Vw32_capslock_is_shiftlock
,
6397 doc
: /* Apply CapsLock state to non character input keys.
6398 When nil, CapsLock only affects normal character input keys. */);
6399 Vw32_capslock_is_shiftlock
= Qnil
;
6401 DEFVAR_LISP ("w32-recognize-altgr",
6402 &Vw32_recognize_altgr
,
6403 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6404 When nil, the right-alt and left-ctrl key combination is
6405 interpreted normally. */);
6406 Vw32_recognize_altgr
= Qt
;
6408 DEFVAR_BOOL ("w32-use-visible-system-caret",
6409 &w32_use_visible_system_caret
,
6410 doc
: /* Flag to make the system caret visible.
6411 When this is non-nil, Emacs will indicate the position of point by
6412 using the system caret instead of drawing its own cursor. Some screen
6413 reader software does not track the system cursor properly when it is
6414 invisible, and gets confused by Emacs drawing its own cursor, so this
6415 variable is initialized to t when Emacs detects that screen reader
6416 software is running as it starts up.
6418 When this variable is set, other variables affecting the appearance of
6419 the cursor have no effect. */);
6421 w32_use_visible_system_caret
= 0;
6423 /* We don't yet support this, but defining this here avoids whining
6424 from cus-start.el and other places, like "M-x set-variable". */
6425 DEFVAR_BOOL ("x-use-underline-position-properties",
6426 &x_use_underline_position_properties
,
6427 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6428 A value of nil means ignore them. If you encounter fonts with bogus
6429 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6430 to 4.1, set this to nil.
6432 NOTE: Not supported on MS-Windows yet. */);
6433 x_use_underline_position_properties
= 0;
6435 DEFVAR_BOOL ("x-underline-at-descent-line",
6436 &x_underline_at_descent_line
,
6437 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6438 A value of nil means to draw the underline according to the value of the
6439 variable `x-use-underline-position-properties', which is usually at the
6440 baseline level. The default value is nil. */);
6441 x_underline_at_descent_line
= 0;
6443 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6444 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6445 Vx_toolkit_scroll_bars
= Qt
;
6447 staticpro (&last_mouse_motion_frame
);
6448 last_mouse_motion_frame
= Qnil
;
6451 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6452 (do not change this comment) */