1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 2006, 2007, 2008 Free Software Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 3 of the License, or
11 (at your option) any later version.
13 GNU Emacs is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
26 #include "blockinput.h"
38 #include "character.h"
42 #include "dispextern.h"
44 #include "termhooks.h"
51 #include "intervals.h"
64 static int max_fringe_bmp
= 0;
65 static HBITMAP
*fringe_bmp
= 0;
67 /* Non-nil means Emacs uses toolkit scroll bars. */
69 Lisp_Object Vx_toolkit_scroll_bars
;
71 /* Temporary variables for w32_read_socket. */
73 static int last_mousemove_x
= 0;
74 static int last_mousemove_y
= 0;
76 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
77 #ifndef GET_WHEEL_DELTA_WPARAM
78 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
81 /* Non-zero means that a HELP_EVENT has been generated since Emacs
84 static int any_help_event_p
;
86 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
87 static Lisp_Object last_window
;
89 /* Non-zero means make use of UNDERLINE_POSITION font properties.
90 (Not yet supported, see TODO in x_draw_glyph_string.) */
91 int x_use_underline_position_properties
;
93 /* Non-zero means to draw the underline at the same place as the descent line. */
95 int x_underline_at_descent_line
;
97 extern unsigned int msh_mousewheel
;
99 extern void free_frame_menubar ();
101 extern int w32_codepage_for_font (char *fontname
);
102 extern Cursor
w32_load_cursor (LPCTSTR name
);
104 extern Lisp_Object Vwindow_system
;
106 #define x_any_window_to_frame x_window_to_frame
107 #define x_top_window_to_frame x_window_to_frame
110 /* This is display since w32 does not support multiple ones. */
111 struct w32_display_info one_w32_display_info
;
112 struct w32_display_info
*x_display_list
;
114 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
115 one for each element of w32_display_list and in the same order.
116 NAME is the name of the frame.
117 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
118 Lisp_Object w32_display_name_list
;
122 /* Pre Windows 2000, this was not available, but define it here so
123 that Emacs compiled on such a platform will run on newer versions. */
125 typedef struct tagWCRANGE
131 typedef struct tagGLYPHSET
135 DWORD cGlyphsSupported
;
142 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
143 BOOL (PASCAL
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
146 #define LWA_ALPHA 0x02
149 /* Frame being updated by update_frame. This is declared in term.c.
150 This is set by update_begin and looked at by all the
151 w32 functions. It is zero while not inside an update.
152 In that case, the w32 functions assume that `SELECTED_FRAME ()'
153 is the frame to apply to. */
154 extern struct frame
*updating_frame
;
156 /* This is a frame waiting to be autoraised, within w32_read_socket. */
157 struct frame
*pending_autoraise_frame
;
159 /* The handle of the frame that currently owns the system caret. */
160 HWND w32_system_caret_hwnd
;
161 int w32_system_caret_height
;
162 int w32_system_caret_x
;
163 int w32_system_caret_y
;
164 int w32_use_visible_system_caret
;
166 /* Flag to enable Unicode output in case users wish to use programs
167 like Twinbridge on '95 rather than installed system level support
168 for Far East languages. */
169 int w32_enable_unicode_output
;
171 /* Flag to enable Cleartype hack for font metrics. */
172 static int cleartype_active
;
174 DWORD dwWindowsThreadId
= 0;
175 HANDLE hWindowsThread
= NULL
;
176 DWORD dwMainThreadId
= 0;
177 HANDLE hMainThread
= NULL
;
179 int vertical_scroll_bar_min_handle
;
180 int vertical_scroll_bar_top_border
;
181 int vertical_scroll_bar_bottom_border
;
183 int last_scroll_bar_drag_pos
;
185 /* Mouse movement. */
187 /* Where the mouse was last time we reported a mouse event. */
189 static RECT last_mouse_glyph
;
190 static FRAME_PTR last_mouse_glyph_frame
;
191 static Lisp_Object last_mouse_press_frame
;
193 int w32_num_mouse_buttons
;
195 Lisp_Object Vw32_swap_mouse_buttons
;
197 /* Control whether x_raise_frame also sets input focus. */
198 Lisp_Object Vw32_grab_focus_on_raise
;
200 /* Control whether Caps Lock affects non-ascii characters. */
201 Lisp_Object Vw32_capslock_is_shiftlock
;
203 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
204 Lisp_Object Vw32_recognize_altgr
;
206 /* The scroll bar in which the last motion event occurred.
208 If the last motion event occurred in a scroll bar, we set this
209 so w32_mouse_position can know whether to report a scroll bar motion or
212 If the last motion event didn't occur in a scroll bar, we set this
213 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
214 static Lisp_Object last_mouse_scroll_bar
;
215 static int last_mouse_scroll_bar_pos
;
217 /* This is a hack. We would really prefer that w32_mouse_position would
218 return the time associated with the position it returns, but there
219 doesn't seem to be any way to wrest the time-stamp from the server
220 along with the position query. So, we just keep track of the time
221 of the last movement we received, and return that in hopes that
222 it's somewhat accurate. */
224 static Time last_mouse_movement_time
;
226 /* Incremented by w32_read_socket whenever it really tries to read
230 static int volatile input_signal_count
;
232 static int input_signal_count
;
235 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
241 /* A mask of extra modifier bits to put into every keyboard char. */
243 extern EMACS_INT extra_keyboard_modifiers
;
245 static void x_update_window_end
P_ ((struct window
*, int, int));
246 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
247 struct input_event
*));
248 static void w32_define_cursor
P_ ((Window
, Cursor
));
250 void x_lower_frame
P_ ((struct frame
*));
251 void x_scroll_bar_clear
P_ ((struct frame
*));
252 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
253 void x_raise_frame
P_ ((struct frame
*));
254 void x_set_window_size
P_ ((struct frame
*, int, int, int));
255 void x_wm_set_window_state
P_ ((struct frame
*, int));
256 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
257 static void w32_initialize
P_ ((void));
258 static void x_update_end
P_ ((struct frame
*));
259 static void w32_frame_up_to_date
P_ ((struct frame
*));
260 static void w32_set_terminal_modes
P_ ((struct terminal
*));
261 static void w32_reset_terminal_modes
P_ ((struct terminal
*));
262 static void x_clear_frame
P_ ((struct frame
*));
263 static void frame_highlight
P_ ((struct frame
*));
264 static void frame_unhighlight
P_ ((struct frame
*));
265 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
267 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
268 struct frame
*, struct input_event
*));
269 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
270 W32Msg
*, struct input_event
*));
271 static void w32_frame_rehighlight
P_ ((struct frame
*));
272 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
273 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
274 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
275 enum text_cursor_kinds
));
276 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
277 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
278 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
279 static void my_set_focus
P_ ((struct frame
*, HWND
));
280 static void my_set_foreground_window
P_ ((HWND
));
281 static void my_destroy_window
P_ ((struct frame
*, HWND
));
283 static Lisp_Object Qvendor_specific_keysyms
;
286 /***********************************************************************
288 ***********************************************************************/
292 /* This is a function useful for recording debugging information about
293 the sequence of occurrences in this file. */
301 struct record event_record
[100];
303 int event_record_index
;
305 record_event (locus
, type
)
309 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
310 event_record_index
= 0;
312 event_record
[event_record_index
].locus
= locus
;
313 event_record
[event_record_index
].type
= type
;
314 event_record_index
++;
321 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
324 if (mask
& GCForeground
)
325 gc
->foreground
= xgcv
->foreground
;
326 if (mask
& GCBackground
)
327 gc
->background
= xgcv
->background
;
329 gc
->font
= xgcv
->font
;
332 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
335 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
336 bzero (gc
, sizeof (XGCValues
));
338 XChangeGC (ignore
, gc
, mask
, xgcv
);
344 XGetGCValues (void* ignore
, XGCValues
*gc
,
345 unsigned long mask
, XGCValues
*xgcv
)
347 XChangeGC (ignore
, xgcv
, mask
, gc
);
351 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
355 HRGN clip_region
= CreateRectRgnIndirect (rect
);
356 SelectClipRgn (hdc
, clip_region
);
357 DeleteObject (clip_region
);
360 SelectClipRgn (hdc
, NULL
);
364 /* Draw a hollow rectangle at the specified position. */
366 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
367 int width
, int height
)
372 hb
= CreateSolidBrush (gc
->background
);
373 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
374 oldhb
= SelectObject (hdc
, hb
);
375 oldhp
= SelectObject (hdc
, hp
);
377 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
379 SelectObject (hdc
, oldhb
);
380 SelectObject (hdc
, oldhp
);
385 /* Draw a filled rectangle at the specified position. */
387 w32_fill_rect (f
, hdc
, pix
, lprect
)
395 hb
= CreateSolidBrush (pix
);
396 FillRect (hdc
, lprect
, hb
);
405 HDC hdc
= get_frame_dc (f
);
407 /* Under certain conditions, this can be called at startup with
408 a console frame pointer before the GUI frame is created. An HDC
409 of 0 indicates this. */
412 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
413 w32_clear_rect (f
, hdc
, &rect
);
416 release_frame_dc (f
, hdc
);
419 #define OPAQUE_FRAME 255
422 x_set_frame_alpha (f
)
425 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
427 double alpha_min
= 1.0;
430 HWND window
= FRAME_W32_WINDOW (f
);
432 /* Older versions of Windows do not support transparency. */
433 if (!pfnSetLayeredWindowAttributes
)
436 if (dpyinfo
->x_highlight_frame
== f
)
441 if (FLOATP (Vframe_alpha_lower_limit
))
442 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
443 else if (INTEGERP (Vframe_alpha_lower_limit
))
444 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
446 if (alpha
< 0.0 || 1.0 < alpha
)
448 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
451 opac
= alpha
* OPAQUE_FRAME
;
453 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
455 if (opac
== OPAQUE_FRAME
)
456 ex_style
&= ~WS_EX_LAYERED
;
458 ex_style
|= WS_EX_LAYERED
;
460 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
462 if (opac
!= OPAQUE_FRAME
)
463 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
467 /***********************************************************************
468 Starting and ending an update
469 ***********************************************************************/
471 /* Start an update of frame F. This function is installed as a hook
472 for update_begin, i.e. it is called when update_begin is called.
473 This function is called prior to calls to x_update_window_begin for
474 each window being updated. */
480 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
482 if (! FRAME_W32_P (f
))
485 /* Regenerate display palette before drawing if list of requested
486 colors has changed. */
487 if (display_info
->regen_palette
)
489 w32_regenerate_palette (f
);
490 display_info
->regen_palette
= FALSE
;
495 /* Start update of window W. Set the global variable updated_window
496 to the window being updated and set output_cursor to the cursor
500 x_update_window_begin (w
)
503 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
504 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
506 /* Hide the system caret during an update. */
507 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
509 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
513 set_output_cursor (&w
->cursor
);
517 if (f
== display_info
->mouse_face_mouse_frame
)
519 /* Don't do highlighting for mouse motion during the update. */
520 display_info
->mouse_face_defer
= 1;
522 /* If F needs to be redrawn, simply forget about any prior mouse
524 if (FRAME_GARBAGED_P (f
))
525 display_info
->mouse_face_window
= Qnil
;
527 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
528 their mouse_face_p flag set, which means that they are always
529 unequal to rows in a desired matrix which never have that
530 flag set. So, rows containing mouse-face glyphs are never
531 scrolled, and we don't have to switch the mouse highlight off
532 here to prevent it from being scrolled. */
534 /* Can we tell that this update does not affect the window
535 where the mouse highlight is? If so, no need to turn off.
536 Likewise, don't do anything if the frame is garbaged;
537 in that case, the frame's current matrix that we would use
538 is all wrong, and we will redisplay that line anyway. */
539 if (!NILP (display_info
->mouse_face_window
)
540 && w
== XWINDOW (display_info
->mouse_face_window
))
544 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
545 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
548 if (i
< w
->desired_matrix
->nrows
)
549 clear_mouse_face (display_info
);
557 /* Draw a vertical window border from (x,y0) to (x,y1) */
560 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
564 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
574 hdc
= get_frame_dc (f
);
575 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
577 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
579 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
581 release_frame_dc (f
, hdc
);
585 /* End update of window W (which is equal to updated_window).
587 Draw vertical borders between horizontally adjacent windows, and
588 display W's cursor if CURSOR_ON_P is non-zero.
590 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
591 glyphs in mouse-face were overwritten. In that case we have to
592 make sure that the mouse-highlight is properly redrawn.
594 W may be a menu bar pseudo-window in case we don't have X toolkit
595 support. Such windows don't have a cursor, so don't display it
599 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
601 int cursor_on_p
, mouse_face_overwritten_p
;
603 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
605 if (!w
->pseudo_window_p
)
610 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
612 output_cursor
.x
, output_cursor
.y
);
614 if (draw_window_fringes (w
, 1))
615 x_draw_vertical_border (w
);
620 /* If a row with mouse-face was overwritten, arrange for
621 XTframe_up_to_date to redisplay the mouse highlight. */
622 if (mouse_face_overwritten_p
)
624 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
625 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
626 dpyinfo
->mouse_face_window
= Qnil
;
629 /* Unhide the caret. This won't actually show the cursor, unless it
630 was visible before the corresponding call to HideCaret in
631 x_update_window_begin. */
632 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
634 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
637 updated_window
= NULL
;
641 /* End update of frame F. This function is installed as a hook in
648 if (! FRAME_W32_P (f
))
651 /* Mouse highlight may be displayed again. */
652 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
656 /* This function is called from various places in xdisp.c whenever a
657 complete update has been performed. The global variable
658 updated_window is not available here. */
661 w32_frame_up_to_date (f
)
666 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
668 if (dpyinfo
->mouse_face_deferred_gc
669 || f
== dpyinfo
->mouse_face_mouse_frame
)
672 if (dpyinfo
->mouse_face_mouse_frame
)
673 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
674 dpyinfo
->mouse_face_mouse_x
,
675 dpyinfo
->mouse_face_mouse_y
);
676 dpyinfo
->mouse_face_deferred_gc
= 0;
683 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
684 arrow bitmaps, or clear the fringes if no bitmaps are required
685 before DESIRED_ROW is made current. The window being updated is
686 found in updated_window. This function is called from
687 update_window_line only if it is known that there are differences
688 between bitmaps to be drawn between current row and DESIRED_ROW. */
691 x_after_update_window_line (desired_row
)
692 struct glyph_row
*desired_row
;
694 struct window
*w
= updated_window
;
700 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
701 desired_row
->redraw_fringe_bitmaps_p
= 1;
703 /* When a window has disappeared, make sure that no rest of
704 full-width rows stays visible in the internal border. Could
705 check here if updated_window is the leftmost/rightmost window,
706 but I guess it's not worth doing since vertically split windows
707 are almost never used, internal border is rarely set, and the
708 overhead is very small. */
709 if (windows_or_buffers_changed
710 && desired_row
->full_width_p
711 && (f
= XFRAME (w
->frame
),
712 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
714 && (height
= desired_row
->visible_height
,
717 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
719 /* Internal border is drawn below the tool bar. */
720 if (WINDOWP (f
->tool_bar_window
)
721 && w
== XWINDOW (f
->tool_bar_window
))
726 HDC hdc
= get_frame_dc (f
);
727 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
728 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
730 release_frame_dc (f
, hdc
);
737 /* Draw the bitmap WHICH in one of the left or right fringes of
738 window W. ROW is the glyph row for which to display the bitmap; it
739 determines the vertical position at which the bitmap has to be
743 w32_draw_fringe_bitmap (w
, row
, p
)
745 struct glyph_row
*row
;
746 struct draw_fringe_bitmap_params
*p
;
748 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
750 struct face
*face
= p
->face
;
753 hdc
= get_frame_dc (f
);
757 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
759 /* If the fringe is adjacent to the left (right) scroll bar of a
760 leftmost (rightmost, respectively) window, then extend its
761 background to the gap between the fringe and the bar. */
762 if ((WINDOW_LEFTMOST_P (w
)
763 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
764 || (WINDOW_RIGHTMOST_P (w
)
765 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
767 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
771 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
772 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
773 * FRAME_COLUMN_WIDTH (f
));
777 /* Bitmap fills the fringe. */
778 if (left
+ width
== p
->x
)
779 bx
= left
+ sb_width
;
780 else if (p
->x
+ p
->wd
== left
)
784 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
786 nx
= width
- sb_width
;
787 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
789 ny
= row
->visible_height
;
794 if (left
+ width
== bx
)
796 bx
= left
+ sb_width
;
797 nx
+= width
- sb_width
;
799 else if (bx
+ nx
== left
)
800 nx
+= width
- sb_width
;
805 if (bx
>= 0 && nx
> 0)
806 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
809 /* Must clip because of partially visible lines. */
810 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
813 /* Adjust position of "bottom aligned" bitmap on partially
816 int oldVH
= row
->visible_height
;
817 row
->visible_height
= p
->h
;
818 row
->y
-= rowY
- p
->y
;
819 w32_clip_to_row (w
, row
, -1, hdc
);
821 row
->visible_height
= oldVH
;
824 w32_clip_to_row (w
, row
, -1, hdc
);
826 if (p
->which
&& p
->which
< max_fringe_bmp
)
828 HBITMAP pixmap
= fringe_bmp
[p
->which
];
832 compat_hdc
= CreateCompatibleDC (hdc
);
836 horig_obj
= SelectObject (compat_hdc
, pixmap
);
838 /* Paint overlays transparently. */
841 HBRUSH h_brush
, h_orig_brush
;
843 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
844 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
845 h_brush
= CreateSolidBrush (face
->foreground
);
846 h_orig_brush
= SelectObject (hdc
, h_brush
);
848 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
849 compat_hdc
, 0, p
->dh
,
851 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
852 compat_hdc
, 0, p
->dh
,
854 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
855 compat_hdc
, 0, p
->dh
,
858 SelectObject (hdc
, h_orig_brush
);
859 DeleteObject (h_brush
);
863 SetTextColor (hdc
, face
->background
);
864 SetBkColor (hdc
, (p
->cursor_p
865 ? f
->output_data
.w32
->cursor_pixel
866 : face
->foreground
));
868 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
869 compat_hdc
, 0, p
->dh
,
873 SelectObject (compat_hdc
, horig_obj
);
874 DeleteDC (compat_hdc
);
878 w32_set_clip_rectangle (hdc
, NULL
);
880 release_frame_dc (f
, hdc
);
884 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
886 unsigned short *bits
;
889 if (which
>= max_fringe_bmp
)
891 int i
= max_fringe_bmp
;
892 max_fringe_bmp
= which
+ 20;
893 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
894 while (i
< max_fringe_bmp
)
898 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
902 w32_destroy_fringe_bitmap (which
)
905 if (which
>= max_fringe_bmp
)
908 if (fringe_bmp
[which
])
909 DeleteObject (fringe_bmp
[which
]);
910 fringe_bmp
[which
] = 0;
915 /* This is called when starting Emacs and when restarting after
916 suspend. When starting Emacs, no window is mapped. And nothing
917 must be done to Emacs's own window if it is suspended (though that
921 w32_set_terminal_modes (struct terminal
*term
)
925 /* This is called when exiting or suspending Emacs. Exiting will make
926 the W32 windows go away, and suspending requires no action. */
929 w32_reset_terminal_modes (struct terminal
*term
)
935 /***********************************************************************
937 ***********************************************************************/
939 /* Function prototypes of this page. */
941 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
942 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
943 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
945 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
946 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
947 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
948 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
949 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
950 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
951 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
952 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
953 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
954 double, int, COLORREF
));
955 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
956 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
957 static void x_draw_image_relief
P_ ((struct glyph_string
*));
958 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
959 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
960 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
962 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
963 int, int, int, int, int, int,
965 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
966 int, int, int, RECT
*));
969 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
974 struct glyph_string
*s
;
976 if (s
->font
== FRAME_FONT (s
->f
)
977 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
978 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
980 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
983 /* Cursor on non-default face: must merge. */
987 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
988 xgcv
.foreground
= s
->face
->background
;
990 /* If the glyph would be invisible, try a different foreground. */
991 if (xgcv
.foreground
== xgcv
.background
)
992 xgcv
.foreground
= s
->face
->foreground
;
993 if (xgcv
.foreground
== xgcv
.background
)
994 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
995 if (xgcv
.foreground
== xgcv
.background
)
996 xgcv
.foreground
= s
->face
->foreground
;
998 /* Make sure the cursor is distinct from text in this face. */
999 if (xgcv
.background
== s
->face
->background
1000 && xgcv
.foreground
== s
->face
->foreground
)
1002 xgcv
.background
= s
->face
->foreground
;
1003 xgcv
.foreground
= s
->face
->background
;
1006 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1007 xgcv
.font
= s
->font
;
1008 mask
= GCForeground
| GCBackground
| GCFont
;
1010 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1011 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1014 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1015 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1017 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1022 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1025 x_set_mouse_face_gc (s
)
1026 struct glyph_string
*s
;
1031 /* What face has to be used last for the mouse face? */
1032 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1033 face
= FACE_FROM_ID (s
->f
, face_id
);
1035 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1037 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1038 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1040 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1041 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1042 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1044 /* If font in this face is same as S->font, use it. */
1045 if (s
->font
== s
->face
->font
)
1046 s
->gc
= s
->face
->gc
;
1049 /* Otherwise construct scratch_cursor_gc with values from FACE
1054 xgcv
.background
= s
->face
->background
;
1055 xgcv
.foreground
= s
->face
->foreground
;
1056 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1057 xgcv
.font
= s
->font
;
1058 mask
= GCForeground
| GCBackground
| GCFont
;
1060 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1061 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1064 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1065 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1067 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1070 xassert (s
->gc
!= 0);
1074 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1075 Faces to use in the mode line have already been computed when the
1076 matrix was built, so there isn't much to do, here. */
1079 x_set_mode_line_face_gc (s
)
1080 struct glyph_string
*s
;
1082 s
->gc
= s
->face
->gc
;
1086 /* Set S->gc of glyph string S for drawing that glyph string. Set
1087 S->stippled_p to a non-zero value if the face of S has a stipple
1091 x_set_glyph_string_gc (s
)
1092 struct glyph_string
*s
;
1094 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1096 if (s
->hl
== DRAW_NORMAL_TEXT
)
1098 s
->gc
= s
->face
->gc
;
1099 s
->stippled_p
= s
->face
->stipple
!= 0;
1101 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1103 x_set_mode_line_face_gc (s
);
1104 s
->stippled_p
= s
->face
->stipple
!= 0;
1106 else if (s
->hl
== DRAW_CURSOR
)
1108 x_set_cursor_gc (s
);
1111 else if (s
->hl
== DRAW_MOUSE_FACE
)
1113 x_set_mouse_face_gc (s
);
1114 s
->stippled_p
= s
->face
->stipple
!= 0;
1116 else if (s
->hl
== DRAW_IMAGE_RAISED
1117 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1119 s
->gc
= s
->face
->gc
;
1120 s
->stippled_p
= s
->face
->stipple
!= 0;
1124 s
->gc
= s
->face
->gc
;
1125 s
->stippled_p
= s
->face
->stipple
!= 0;
1128 /* GC must have been set. */
1129 xassert (s
->gc
!= 0);
1133 /* Set clipping for output of glyph string S. S may be part of a mode
1134 line or menu if we don't have X toolkit support. */
1137 x_set_glyph_string_clipping (s
)
1138 struct glyph_string
*s
;
1141 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1144 w32_set_clip_rectangle (s
->hdc
, r
);
1147 HRGN full_clip
, clip1
, clip2
;
1148 clip1
= CreateRectRgnIndirect (r
);
1149 clip2
= CreateRectRgnIndirect (r
+ 1);
1150 if (CombineRgn (full_clip
, clip1
, clip2
, RGN_OR
) != ERROR
)
1152 SelectClipRgn (s
->hdc
, full_clip
);
1154 DeleteObject (clip1
);
1155 DeleteObject (clip2
);
1156 DeleteObject (full_clip
);
1161 /* Set SRC's clipping for output of glyph string DST. This is called
1162 when we are drawing DST's left_overhang or right_overhang only in
1166 x_set_glyph_string_clipping_exactly (src
, dst
)
1167 struct glyph_string
*src
, *dst
;
1172 r
.right
= r
.left
+ src
->width
;
1174 r
.bottom
= r
.top
+ src
->height
;
1177 w32_set_clip_rectangle (dst
->hdc
, &r
);
1181 Compute left and right overhang of glyph string S. */
1184 w32_compute_glyph_string_overhangs (s
)
1185 struct glyph_string
*s
;
1188 && s
->first_glyph
->type
== CHAR_GLYPH
1189 && !s
->font_not_found_p
)
1191 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1192 struct font
*font
= s
->font
;
1193 struct font_metrics metrics
;
1196 for (i
= 0; i
< s
->nchars
; i
++)
1197 code
[i
] = s
->char2b
[i
];
1198 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1199 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1200 ? metrics
.rbearing
- metrics
.width
: 0);
1201 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1205 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1206 s
->left_overhang
= -s
->cmp
->lbearing
;
1210 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1213 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1214 struct glyph_string
*s
;
1222 /* Take clipping into account. */
1223 if (s
->gc
->clip_mask
== Rect
)
1225 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1226 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1227 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1228 - s
->gc
->clip_rectangle
.left
);
1229 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1230 - s
->gc
->clip_rectangle
.top
);
1233 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1238 /* Draw the background of glyph_string S. If S->background_filled_p
1239 is non-zero don't draw it. FORCE_P non-zero means draw the
1240 background even if it wouldn't be drawn normally. This is used
1241 when a string preceding S draws into the background of S, or S
1242 contains the first component of a composition. */
1245 x_draw_glyph_string_background (s
, force_p
)
1246 struct glyph_string
*s
;
1249 /* Nothing to do if background has already been drawn or if it
1250 shouldn't be drawn in the first place. */
1251 if (!s
->background_filled_p
)
1253 int box_line_width
= max (s
->face
->box_line_width
, 0);
1255 #if 0 /* TODO: stipple */
1258 /* Fill background with a stipple pattern. */
1259 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1260 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1261 s
->y
+ box_line_width
,
1262 s
->background_width
,
1263 s
->height
- 2 * box_line_width
);
1264 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1265 s
->background_filled_p
= 1;
1269 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1270 || s
->font_not_found_p
1271 || s
->extends_to_end_of_line_p
1275 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1276 s
->background_width
,
1277 s
->height
- 2 * box_line_width
);
1278 s
->background_filled_p
= 1;
1284 /* Draw the foreground of glyph string S. */
1287 x_draw_glyph_string_foreground (s
)
1288 struct glyph_string
*s
;
1292 /* If first glyph of S has a left box line, start drawing the text
1293 of S to the right of that box line. */
1294 if (s
->face
->box
!= FACE_NO_BOX
1295 && s
->first_glyph
->left_box_line_p
)
1296 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1300 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1301 SetBkColor (s
->hdc
, s
->gc
->background
);
1302 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1304 /* Draw characters of S as rectangles if S's font could not be
1306 if (s
->font_not_found_p
)
1308 for (i
= 0; i
< s
->nchars
; ++i
)
1310 struct glyph
*g
= s
->first_glyph
+ i
;
1312 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1314 x
+= g
->pixel_width
;
1319 struct font
*font
= s
->font
;
1320 int boff
= font
->baseline_offset
;
1324 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1326 if (font
->vertical_centering
)
1327 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1329 y
= s
->ybase
- boff
;
1331 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1332 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1334 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1335 if (s
->face
->overstrike
)
1336 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1338 SelectObject (s
->hdc
, old_font
);
1342 /* Draw the foreground of composite glyph string S. */
1345 x_draw_composite_glyph_string_foreground (s
)
1346 struct glyph_string
*s
;
1350 /* If first glyph of S has a left box line, start drawing the text
1351 of S to the right of that box line. */
1352 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1353 && s
->first_glyph
->left_box_line_p
)
1354 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1358 /* S is a glyph string for a composition. S->gidx is the index of
1359 the first character drawn for glyphs of this composition.
1360 S->gidx == 0 means we are drawing the very first character of
1361 this composition. */
1363 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1364 SetBkColor (s
->hdc
, s
->gc
->background
);
1365 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1367 /* Draw a rectangle for the composition if the font for the very
1368 first character of the composition could not be loaded. */
1369 if (s
->font_not_found_p
)
1372 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1377 struct font
*font
= s
->font
;
1382 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1384 if (s
->cmp
->method
== COMPOSITION_WITH_GLYPH_STRING
)
1386 Lisp_Object gstring
= AREF (XHASH_TABLE (composition_hash_table
)
1388 s
->cmp
->hash_index
* 2);
1391 for (i
= from
= 0; i
< s
->nchars
; i
++)
1393 Lisp_Object g
= LGSTRING_GLYPH (gstring
, i
);
1394 Lisp_Object adjustment
= LGLYPH_ADJUSTMENT (g
);
1395 int xoff
, yoff
, wadjust
;
1397 if (! VECTORP (adjustment
))
1399 width
+= LGLYPH_WIDTH (g
);
1404 font
->driver
->draw (s
, from
, i
, x
, y
, 0);
1407 xoff
= XINT (AREF (adjustment
, 0));
1408 yoff
= XINT (AREF (adjustment
, 1));
1409 wadjust
= XINT (AREF (adjustment
, 2));
1411 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1417 font
->driver
->draw (s
, from
, i
, x
, y
, 0);
1421 for (i
= 0, j
= s
->gidx
; i
< s
->nchars
; i
++, j
++)
1422 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1424 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1425 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1427 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1428 if (s
->face
->overstrike
)
1429 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1432 SelectObject (s
->hdc
, old_font
);
1437 /* Brightness beyond which a color won't have its highlight brightness
1440 Nominally, highlight colors for `3d' faces are calculated by
1441 brightening an object's color by a constant scale factor, but this
1442 doesn't yield good results for dark colors, so for colors who's
1443 brightness is less than this value (on a scale of 0-255) have to
1444 use an additional additive factor.
1446 The value here is set so that the default menu-bar/mode-line color
1447 (grey75) will not have its highlights changed at all. */
1448 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1451 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1452 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1453 If this produces the same color as COLOR, try a color where all RGB
1454 values have DELTA added. Return the allocated color in *COLOR.
1455 DISPLAY is the X display, CMAP is the colormap to operate on.
1456 Value is non-zero if successful. */
1459 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1468 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1471 /* Change RGB values by specified FACTOR. Avoid overflow! */
1472 xassert (factor
>= 0);
1473 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1474 min (0xff, factor
* GetGValue (*color
)),
1475 min (0xff, factor
* GetBValue (*color
)));
1477 /* Calculate brightness of COLOR. */
1478 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1479 + GetBValue (*color
)) / 6;
1481 /* We only boost colors that are darker than
1482 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1483 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1484 /* Make an additive adjustment to NEW, because it's dark enough so
1485 that scaling by FACTOR alone isn't enough. */
1487 /* How far below the limit this color is (0 - 1, 1 being darker). */
1488 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1489 /* The additive adjustment. */
1490 int min_delta
= delta
* dimness
* factor
/ 2;
1493 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1494 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1495 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1497 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1498 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1499 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1503 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1504 max (0, min (0xff, delta
+ GetGValue (*color
))),
1505 max (0, min (0xff, delta
+ GetBValue (*color
))));
1507 /* TODO: Map to palette and retry with delta if same? */
1508 /* TODO: Free colors (if using palette)? */
1519 /* Set up the foreground color for drawing relief lines of glyph
1520 string S. RELIEF is a pointer to a struct relief containing the GC
1521 with which lines will be drawn. Use a color that is FACTOR or
1522 DELTA lighter or darker than the relief's background which is found
1523 in S->f->output_data.x->relief_background. If such a color cannot
1524 be allocated, use DEFAULT_PIXEL, instead. */
1527 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1529 struct relief
*relief
;
1532 COLORREF default_pixel
;
1535 struct w32_output
*di
= f
->output_data
.w32
;
1536 unsigned long mask
= GCForeground
;
1538 COLORREF background
= di
->relief_background
;
1539 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1541 /* TODO: Free colors (if using palette)? */
1543 /* Allocate new color. */
1544 xgcv
.foreground
= default_pixel
;
1546 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1548 relief
->allocated_p
= 1;
1549 xgcv
.foreground
= relief
->pixel
= pixel
;
1552 if (relief
->gc
== 0)
1554 #if 0 /* TODO: stipple */
1555 xgcv
.stipple
= dpyinfo
->gray
;
1558 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1561 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1565 /* Set up colors for the relief lines around glyph string S. */
1568 x_setup_relief_colors (s
)
1569 struct glyph_string
*s
;
1571 struct w32_output
*di
= s
->f
->output_data
.w32
;
1574 if (s
->face
->use_box_color_for_shadows_p
)
1575 color
= s
->face
->box_color
;
1576 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1578 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1579 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1581 color
= s
->gc
->background
;
1583 if (di
->white_relief
.gc
== 0
1584 || color
!= di
->relief_background
)
1586 di
->relief_background
= color
;
1587 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1588 WHITE_PIX_DEFAULT (s
->f
));
1589 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1590 BLACK_PIX_DEFAULT (s
->f
));
1595 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1596 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1597 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1598 relief. LEFT_P non-zero means draw a relief on the left side of
1599 the rectangle. RIGHT_P non-zero means draw a relief on the right
1600 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1604 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1605 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1607 int left_x
, top_y
, right_x
, bottom_y
, width
;
1608 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1613 HDC hdc
= get_frame_dc (f
);
1616 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1618 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1620 w32_set_clip_rectangle (hdc
, clip_rect
);
1624 for (i
= 0; i
< width
; ++i
)
1625 w32_fill_area (f
, hdc
, gc
.foreground
,
1626 left_x
+ i
* left_p
, top_y
+ i
,
1627 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1631 for (i
= 0; i
< width
; ++i
)
1632 w32_fill_area (f
, hdc
, gc
.foreground
,
1633 left_x
+ i
, top_y
+ i
, 1,
1634 bottom_y
- top_y
- 2 * i
+ 1);
1637 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1639 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1643 for (i
= 0; i
< width
; ++i
)
1644 w32_fill_area (f
, hdc
, gc
.foreground
,
1645 left_x
+ i
* left_p
, bottom_y
- i
,
1646 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1650 for (i
= 0; i
< width
; ++i
)
1651 w32_fill_area (f
, hdc
, gc
.foreground
,
1652 right_x
- i
, top_y
+ i
+ 1, 1,
1653 bottom_y
- top_y
- 2 * i
- 1);
1655 w32_set_clip_rectangle (hdc
, NULL
);
1657 release_frame_dc (f
, hdc
);
1661 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1662 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1663 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1664 left side of the rectangle. RIGHT_P non-zero means draw a line
1665 on the right side of the rectangle. CLIP_RECT is the clipping
1666 rectangle to use when drawing. */
1669 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1670 left_p
, right_p
, clip_rect
)
1671 struct glyph_string
*s
;
1672 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1675 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1678 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1679 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1684 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1685 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1689 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1690 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1695 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1696 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1699 w32_set_clip_rectangle (s
->hdc
, NULL
);
1703 /* Draw a box around glyph string S. */
1706 x_draw_glyph_string_box (s
)
1707 struct glyph_string
*s
;
1709 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1710 int left_p
, right_p
;
1711 struct glyph
*last_glyph
;
1714 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1715 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1716 : window_box_right (s
->w
, s
->area
));
1718 /* The glyph that may have a right box line. */
1719 last_glyph
= (s
->cmp
|| s
->img
1721 : s
->first_glyph
+ s
->nchars
- 1);
1723 width
= eabs (s
->face
->box_line_width
);
1724 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1726 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1728 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1730 bottom_y
= top_y
+ s
->height
- 1;
1732 left_p
= (s
->first_glyph
->left_box_line_p
1733 || (s
->hl
== DRAW_MOUSE_FACE
1735 || s
->prev
->hl
!= s
->hl
)));
1736 right_p
= (last_glyph
->right_box_line_p
1737 || (s
->hl
== DRAW_MOUSE_FACE
1739 || s
->next
->hl
!= s
->hl
)));
1741 get_glyph_string_clip_rect (s
, &clip_rect
);
1743 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1744 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1745 left_p
, right_p
, &clip_rect
);
1748 x_setup_relief_colors (s
);
1749 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1750 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1755 /* Draw foreground of image glyph string S. */
1758 x_draw_image_foreground (s
)
1759 struct glyph_string
*s
;
1762 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1764 /* If first glyph of S has a left box line, start drawing it to the
1765 right of that line. */
1766 if (s
->face
->box
!= FACE_NO_BOX
1767 && s
->first_glyph
->left_box_line_p
1769 x
+= eabs (s
->face
->box_line_width
);
1771 /* If there is a margin around the image, adjust x- and y-position
1773 if (s
->slice
.x
== 0)
1774 x
+= s
->img
->hmargin
;
1775 if (s
->slice
.y
== 0)
1776 y
+= s
->img
->vmargin
;
1782 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1783 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1784 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1785 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1786 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1787 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1788 x_set_glyph_string_clipping (s
);
1792 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1793 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1795 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1796 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1798 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1799 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1800 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1801 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1802 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1803 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1805 SelectObject (mask_dc
, mask_orig_obj
);
1810 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1811 SetBkColor (s
->hdc
, s
->gc
->background
);
1813 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1814 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1816 /* When the image has a mask, we can expect that at
1817 least part of a mouse highlight or a block cursor will
1818 be visible. If the image doesn't have a mask, make
1819 a block cursor visible by drawing a rectangle around
1820 the image. I believe it's looking better if we do
1821 nothing here for mouse-face. */
1822 if (s
->hl
== DRAW_CURSOR
)
1824 int r
= s
->img
->relief
;
1826 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1827 s
->slice
.width
+ r
*2 - 1,
1828 s
->slice
.height
+ r
*2 - 1);
1832 w32_set_clip_rectangle (s
->hdc
, NULL
);
1833 SelectObject (s
->hdc
, orig_brush
);
1834 DeleteObject (fg_brush
);
1835 SelectObject (compat_hdc
, orig_obj
);
1836 DeleteDC (compat_hdc
);
1839 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1840 s
->slice
.width
- 1, s
->slice
.height
- 1);
1842 RestoreDC (s
->hdc
,-1);
1846 /* Draw a relief around the image glyph string S. */
1849 x_draw_image_relief (s
)
1850 struct glyph_string
*s
;
1852 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1855 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1857 /* If first glyph of S has a left box line, start drawing it to the
1858 right of that line. */
1859 if (s
->face
->box
!= FACE_NO_BOX
1860 && s
->first_glyph
->left_box_line_p
1862 x
+= eabs (s
->face
->box_line_width
);
1864 /* If there is a margin around the image, adjust x- and y-position
1866 if (s
->slice
.x
== 0)
1867 x
+= s
->img
->hmargin
;
1868 if (s
->slice
.y
== 0)
1869 y
+= s
->img
->vmargin
;
1871 if (s
->hl
== DRAW_IMAGE_SUNKEN
1872 || s
->hl
== DRAW_IMAGE_RAISED
)
1874 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1875 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1879 thick
= eabs (s
->img
->relief
);
1880 raised_p
= s
->img
->relief
> 0;
1885 x1
= x
+ s
->slice
.width
+ thick
- 1;
1886 y1
= y
+ s
->slice
.height
+ thick
- 1;
1888 x_setup_relief_colors (s
);
1889 get_glyph_string_clip_rect (s
, &r
);
1890 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
1892 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
1894 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
1899 /* Draw the foreground of image glyph string S to PIXMAP. */
1902 w32_draw_image_foreground_1 (s
, pixmap
)
1903 struct glyph_string
*s
;
1906 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1907 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1909 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1911 /* If first glyph of S has a left box line, start drawing it to the
1912 right of that line. */
1913 if (s
->face
->box
!= FACE_NO_BOX
1914 && s
->first_glyph
->left_box_line_p
1916 x
+= eabs (s
->face
->box_line_width
);
1918 /* If there is a margin around the image, adjust x- and y-position
1920 if (s
->slice
.x
== 0)
1921 x
+= s
->img
->hmargin
;
1922 if (s
->slice
.y
== 0)
1923 y
+= s
->img
->vmargin
;
1927 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1928 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1929 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1930 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1934 HDC mask_dc
= CreateCompatibleDC (hdc
);
1935 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1937 SetTextColor (hdc
, RGB (0, 0, 0));
1938 SetBkColor (hdc
, RGB (255, 255, 255));
1939 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1940 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1941 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1942 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1943 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1944 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1946 SelectObject (mask_dc
, mask_orig_obj
);
1951 SetTextColor (hdc
, s
->gc
->foreground
);
1952 SetBkColor (hdc
, s
->gc
->background
);
1954 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1955 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1957 /* When the image has a mask, we can expect that at
1958 least part of a mouse highlight or a block cursor will
1959 be visible. If the image doesn't have a mask, make
1960 a block cursor visible by drawing a rectangle around
1961 the image. I believe it's looking better if we do
1962 nothing here for mouse-face. */
1963 if (s
->hl
== DRAW_CURSOR
)
1965 int r
= s
->img
->relief
;
1967 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
1968 s
->slice
.width
+ r
*2 - 1,
1969 s
->slice
.height
+ r
*2 - 1);
1973 SelectObject (hdc
, orig_brush
);
1974 DeleteObject (fg_brush
);
1975 SelectObject (compat_hdc
, orig_obj
);
1976 DeleteDC (compat_hdc
);
1979 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
1980 s
->slice
.width
- 1, s
->slice
.height
- 1);
1982 SelectObject (hdc
, orig_hdc_obj
);
1987 /* Draw part of the background of glyph string S. X, Y, W, and H
1988 give the rectangle to draw. */
1991 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
1992 struct glyph_string
*s
;
1995 #if 0 /* TODO: stipple */
1998 /* Fill background with a stipple pattern. */
1999 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2000 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2001 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2005 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2009 /* Draw image glyph string S.
2012 s->x +-------------------------
2015 | +-------------------------
2018 | | +-------------------
2024 x_draw_image_glyph_string (s
)
2025 struct glyph_string
*s
;
2028 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2029 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2033 height
= s
->height
- 2 * box_line_vwidth
;
2035 /* Fill background with face under the image. Do it only if row is
2036 taller than image or if image has a clip mask to reduce
2038 s
->stippled_p
= s
->face
->stipple
!= 0;
2039 if (height
> s
->slice
.height
2043 || s
->img
->pixmap
== 0
2044 || s
->width
!= s
->background_width
)
2047 if (s
->first_glyph
->left_box_line_p
2049 x
+= box_line_hwidth
;
2052 if (s
->slice
.y
== 0)
2053 y
+= box_line_vwidth
;
2055 #if 0 /* TODO: figure out if we need to do this on Windows. */
2058 /* Create a pixmap as large as the glyph string. Fill it
2059 with the background color. Copy the image to it, using
2060 its mask. Copy the temporary pixmap to the display. */
2061 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2062 int depth
= DefaultDepthOfScreen (screen
);
2064 /* Create a pixmap as large as the glyph string. */
2065 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2066 s
->background_width
,
2069 /* Don't clip in the following because we're working on the
2071 XSetClipMask (s
->display
, s
->gc
, None
);
2073 /* Fill the pixmap with the background color/stipple. */
2076 /* Fill background with a stipple pattern. */
2077 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2078 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2079 0, 0, s
->background_width
, s
->height
);
2080 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2085 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2087 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2088 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2089 0, 0, s
->background_width
, s
->height
);
2090 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2095 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2097 s
->background_filled_p
= 1;
2100 /* Draw the foreground. */
2103 w32_draw_image_foreground_1 (s
, pixmap
);
2104 x_set_glyph_string_clipping (s
);
2106 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2107 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2108 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2109 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2111 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2112 SetBkColor (s
->hdc
, s
->gc
->background
);
2113 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2114 compat_hdc
, 0, 0, SRCCOPY
);
2116 SelectObject (s
->hdc
, orig_brush
);
2117 DeleteObject (fg_brush
);
2118 SelectObject (compat_hdc
, orig_obj
);
2119 DeleteDC (compat_hdc
);
2121 DeleteObject (pixmap
);
2125 x_draw_image_foreground (s
);
2127 /* If we must draw a relief around the image, do it. */
2129 || s
->hl
== DRAW_IMAGE_RAISED
2130 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2131 x_draw_image_relief (s
);
2135 /* Draw stretch glyph string S. */
2138 x_draw_stretch_glyph_string (s
)
2139 struct glyph_string
*s
;
2141 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2143 if (s
->hl
== DRAW_CURSOR
2144 && !x_stretch_cursor_p
)
2146 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2147 as wide as the stretch glyph. */
2148 int width
, background_width
= s
->background_width
;
2149 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2153 background_width
-= left_x
- x
;
2156 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2159 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2161 /* Clear rest using the GC of the original non-cursor face. */
2162 if (width
< background_width
)
2164 XGCValues
*gc
= s
->face
->gc
;
2166 int w
= background_width
- width
, h
= s
->height
;
2171 if (s
->row
->mouse_face_p
2172 && cursor_in_mouse_face_p (s
->w
))
2174 x_set_mouse_face_gc (s
);
2180 get_glyph_string_clip_rect (s
, &r
);
2181 w32_set_clip_rectangle (hdc
, &r
);
2183 #if 0 /* TODO: stipple */
2184 if (s
->face
->stipple
)
2186 /* Fill background with a stipple pattern. */
2187 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2188 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2189 XSetFillStyle (s
->display
, gc
, FillSolid
);
2194 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2198 else if (!s
->background_filled_p
)
2200 int background_width
= s
->background_width
;
2201 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2203 /* Don't draw into left margin, fringe or scrollbar area
2204 except for header line and mode line. */
2205 if (x
< left_x
&& !s
->row
->mode_line_p
)
2207 background_width
-= left_x
- x
;
2210 if (background_width
> 0)
2211 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2214 s
->background_filled_p
= 1;
2218 /* Draw glyph string S. */
2221 x_draw_glyph_string (s
)
2222 struct glyph_string
*s
;
2224 int relief_drawn_p
= 0;
2226 /* If S draws into the background of its successor, draw the
2227 background of the successor first so that S can draw into it.
2228 This makes S->next use XDrawString instead of XDrawImageString. */
2229 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2232 struct glyph_string
*next
;
2233 for (width
= 0, next
= s
->next
; next
;
2234 width
+= next
->width
, next
= next
->next
)
2235 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2237 x_set_glyph_string_gc (next
);
2238 x_set_glyph_string_clipping (next
);
2239 x_draw_glyph_string_background (next
, 1);
2240 next
->num_clips
= 0;
2244 /* Set up S->gc, set clipping and draw S. */
2245 x_set_glyph_string_gc (s
);
2247 /* Draw relief (if any) in advance for char/composition so that the
2248 glyph string can be drawn over it. */
2249 if (!s
->for_overlaps
2250 && s
->face
->box
!= FACE_NO_BOX
2251 && (s
->first_glyph
->type
== CHAR_GLYPH
2252 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2255 x_set_glyph_string_clipping (s
);
2256 x_draw_glyph_string_background (s
, 1);
2257 x_draw_glyph_string_box (s
);
2258 x_set_glyph_string_clipping (s
);
2261 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2263 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2264 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2265 /* We must clip just this glyph. left_overhang part has already
2266 drawn when s->prev was drawn, and right_overhang part will be
2267 drawn later when s->next is drawn. */
2268 x_set_glyph_string_clipping_exactly (s
, s
);
2270 x_set_glyph_string_clipping (s
);
2272 switch (s
->first_glyph
->type
)
2275 x_draw_image_glyph_string (s
);
2279 x_draw_stretch_glyph_string (s
);
2283 if (s
->for_overlaps
)
2284 s
->background_filled_p
= 1;
2286 x_draw_glyph_string_background (s
, 0);
2287 x_draw_glyph_string_foreground (s
);
2290 case COMPOSITE_GLYPH
:
2291 if (s
->for_overlaps
|| s
->gidx
> 0)
2292 s
->background_filled_p
= 1;
2294 x_draw_glyph_string_background (s
, 1);
2295 x_draw_composite_glyph_string_foreground (s
);
2302 if (!s
->for_overlaps
)
2304 /* Draw underline. */
2305 if (s
->face
->underline_p
)
2307 unsigned long thickness
, position
;
2310 if (s
->prev
&& s
->prev
->face
->underline_p
)
2312 /* We use the same underline style as the previous one. */
2313 thickness
= s
->prev
->underline_thickness
;
2314 position
= s
->prev
->underline_position
;
2318 /* Get the underline thickness. Default is 1 pixel. */
2319 if (s
->font
&& s
->font
->underline_thickness
> 0)
2320 thickness
= s
->font
->underline_thickness
;
2323 if (x_underline_at_descent_line
)
2324 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2327 /* Get the underline position. This is the recommended
2328 vertical offset in pixels from the baseline to the top of
2329 the underline. This is a signed value according to the
2330 specs, and its default is
2332 ROUND ((maximum_descent) / 2), with
2333 ROUND (x) = floor (x + 0.5) */
2335 if (x_use_underline_position_properties
2336 && s
->font
&& s
->font
->underline_position
>= 0)
2337 position
= s
->font
->underline_position
;
2339 position
= (s
->font
->descent
+ 1) / 2;
2341 position
= max (position
, underline_minimum_offset
);
2343 /* Check the sanity of thickness and position. We should
2344 avoid drawing underline out of the current line area. */
2345 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2346 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2347 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2348 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2349 s
->underline_thickness
= thickness
;
2350 s
->underline_position
=position
;
2351 y
= s
->ybase
+ position
;
2352 if (s
->face
->underline_defaulted_p
)
2354 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2355 y
, s
->background_width
, 1);
2359 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2360 y
, s
->background_width
, 1);
2363 /* Draw overline. */
2364 if (s
->face
->overline_p
)
2366 unsigned long dy
= 0, h
= 1;
2368 if (s
->face
->overline_color_defaulted_p
)
2370 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2371 s
->y
+ dy
, s
->background_width
, h
);
2375 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2376 s
->y
+ dy
, s
->background_width
, h
);
2380 /* Draw strike-through. */
2381 if (s
->face
->strike_through_p
2382 && !FONT_TEXTMETRIC(s
->font
).tmStruckOut
)
2384 unsigned long h
= 1;
2385 unsigned long dy
= (s
->height
- h
) / 2;
2387 if (s
->face
->strike_through_color_defaulted_p
)
2389 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2394 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2395 s
->y
+ dy
, s
->width
, h
);
2399 /* Draw relief if not yet drawn. */
2400 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2401 x_draw_glyph_string_box (s
);
2405 struct glyph_string
*prev
;
2407 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2408 if (prev
->hl
!= s
->hl
2409 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2411 /* As prev was drawn while clipped to its own area, we
2412 must draw the right_overhang part using s->hl now. */
2413 enum draw_glyphs_face save
= prev
->hl
;
2416 x_set_glyph_string_gc (prev
);
2417 x_set_glyph_string_clipping_exactly (s
, prev
);
2418 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2419 x_draw_glyph_string_foreground (prev
);
2421 x_draw_composite_glyph_string_foreground (prev
);
2422 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2424 prev
->num_clips
= 0;
2430 struct glyph_string
*next
;
2432 for (next
= s
->next
; next
; next
= next
->next
)
2433 if (next
->hl
!= s
->hl
2434 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2436 /* As next will be drawn while clipped to its own area,
2437 we must draw the left_overhang part using s->hl now. */
2438 enum draw_glyphs_face save
= next
->hl
;
2441 x_set_glyph_string_gc (next
);
2442 x_set_glyph_string_clipping_exactly (s
, next
);
2443 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2444 x_draw_glyph_string_foreground (next
);
2446 x_draw_composite_glyph_string_foreground (next
);
2447 w32_set_clip_rectangle (next
->hdc
, NULL
);
2449 next
->num_clips
= 0;
2454 /* Reset clipping. */
2455 w32_set_clip_rectangle (s
->hdc
, NULL
);
2460 /* Shift display to make room for inserted glyphs. */
2463 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2465 int x
, y
, width
, height
, shift_by
;
2469 hdc
= get_frame_dc (f
);
2470 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2471 hdc
, x
, y
, SRCCOPY
);
2473 release_frame_dc (f
, hdc
);
2477 /* Delete N glyphs at the nominal cursor position. Not implemented
2481 x_delete_glyphs (f
, n
)
2485 if (! FRAME_W32_P (f
))
2492 /* Clear entire frame. If updating_frame is non-null, clear that
2493 frame. Otherwise clear the selected frame. */
2496 x_clear_frame (struct frame
*f
)
2498 if (! FRAME_W32_P (f
))
2501 /* Clearing the frame will erase any cursor, so mark them all as no
2503 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2504 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2505 output_cursor
.x
= -1;
2507 /* We don't set the output cursor here because there will always
2508 follow an explicit cursor_to. */
2511 w32_clear_window (f
);
2513 /* We have to clear the scroll bars, too. If we have changed
2514 colors or something like that, then they should be notified. */
2515 x_scroll_bar_clear (f
);
2521 /* Make audible bell. */
2524 w32_ring_bell (struct frame
*f
)
2528 if (FRAME_W32_P (f
) && visible_bell
)
2531 HWND hwnd
= FRAME_W32_WINDOW (f
);
2533 for (i
= 0; i
< 5; i
++)
2535 FlashWindow (hwnd
, TRUE
);
2538 FlashWindow (hwnd
, FALSE
);
2541 w32_sys_ring_bell (f
);
2547 /* Specify how many text lines, from the top of the window,
2548 should be affected by insert-lines and delete-lines operations.
2549 This, and those operations, are used only within an update
2550 that is bounded by calls to x_update_begin and x_update_end. */
2553 w32_set_terminal_window (n
)
2556 /* This function intentionally left blank. */
2560 /***********************************************************************
2562 ***********************************************************************/
2564 /* Perform an insert-lines or delete-lines operation, inserting N
2565 lines or deleting -N lines at vertical position VPOS. */
2568 x_ins_del_lines (f
, vpos
, n
)
2572 if (! FRAME_W32_P (f
))
2579 /* Scroll part of the display as described by RUN. */
2582 x_scroll_run (w
, run
)
2586 struct frame
*f
= XFRAME (w
->frame
);
2587 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2588 HWND hwnd
= FRAME_W32_WINDOW (f
);
2591 /* Get frame-relative bounding box of the text display area of W,
2592 without mode lines. Include in this box the left and right
2594 window_box (w
, -1, &x
, &y
, &width
, &height
);
2596 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2597 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2598 bottom_y
= y
+ height
;
2602 /* Scrolling up. Make sure we don't copy part of the mode
2603 line at the bottom. */
2604 if (from_y
+ run
->height
> bottom_y
)
2605 height
= bottom_y
- from_y
;
2607 height
= run
->height
;
2608 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2612 /* Scolling down. Make sure we don't copy over the mode line.
2614 if (to_y
+ run
->height
> bottom_y
)
2615 height
= bottom_y
- to_y
;
2617 height
= run
->height
;
2618 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2623 /* Cursor off. Will be switched on again in x_update_window_end. */
2630 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2631 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2633 from
.left
= to
.left
= x
;
2634 from
.right
= to
.right
= x
+ width
;
2636 from
.bottom
= from_y
+ height
;
2638 to
.bottom
= bottom_y
;
2640 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2641 NULL
, SW_INVALIDATE
);
2643 /* Combine this with what we expect to be dirty. This covers the
2644 case where not all of the region we expect is actually dirty. */
2645 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2647 /* If the dirty region is not what we expected, redraw the entire frame. */
2648 if (!EqualRgn (combined
, expect_dirty
))
2649 SET_FRAME_GARBAGED (f
);
2651 DeleteObject (dirty
);
2652 DeleteObject (combined
);
2656 DeleteObject (expect_dirty
);
2661 /***********************************************************************
2663 ***********************************************************************/
2669 x_update_cursor (f
, 1);
2670 x_set_frame_alpha (f
);
2674 frame_unhighlight (f
)
2677 x_update_cursor (f
, 1);
2678 x_set_frame_alpha (f
);
2681 /* The focus has changed. Update the frames as necessary to reflect
2682 the new situation. Note that we can't change the selected frame
2683 here, because the Lisp code we are interrupting might become confused.
2684 Each event gets marked with the frame in which it occurred, so the
2685 Lisp code can tell when the switch took place by examining the events. */
2688 x_new_focus_frame (dpyinfo
, frame
)
2689 struct w32_display_info
*dpyinfo
;
2690 struct frame
*frame
;
2692 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2694 if (frame
!= dpyinfo
->w32_focus_frame
)
2696 /* Set this before calling other routines, so that they see
2697 the correct value of w32_focus_frame. */
2698 dpyinfo
->w32_focus_frame
= frame
;
2700 if (old_focus
&& old_focus
->auto_lower
)
2701 x_lower_frame (old_focus
);
2703 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2704 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2706 pending_autoraise_frame
= 0;
2709 x_frame_rehighlight (dpyinfo
);
2713 /* Handle FocusIn and FocusOut state changes for FRAME.
2714 If FRAME has focus and there exists more than one frame, puts
2715 a FOCUS_IN_EVENT into *BUFP. */
2718 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2721 struct w32_display_info
*dpyinfo
;
2722 struct frame
*frame
;
2723 struct input_event
*bufp
;
2725 if (type
== WM_SETFOCUS
)
2727 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2729 x_new_focus_frame (dpyinfo
, frame
);
2730 dpyinfo
->w32_focus_event_frame
= frame
;
2732 /* Don't stop displaying the initial startup message
2733 for a switch-frame event we don't need. */
2734 if (NILP (Vterminal_frame
)
2735 && CONSP (Vframe_list
)
2736 && !NILP (XCDR (Vframe_list
)))
2738 bufp
->kind
= FOCUS_IN_EVENT
;
2739 XSETFRAME (bufp
->frame_or_window
, frame
);
2743 frame
->output_data
.x
->focus_state
|= state
;
2745 /* TODO: IME focus? */
2747 else if (type
== WM_KILLFOCUS
)
2749 frame
->output_data
.x
->focus_state
&= ~state
;
2751 if (dpyinfo
->w32_focus_event_frame
== frame
)
2753 dpyinfo
->w32_focus_event_frame
= 0;
2754 x_new_focus_frame (dpyinfo
, 0);
2757 /* TODO: IME focus? */
2762 /* The focus may have changed. Figure out if it is a real focus change,
2763 by checking both FocusIn/Out and Enter/LeaveNotify events.
2765 Returns FOCUS_IN_EVENT event in *BUFP. */
2768 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2769 struct w32_display_info
*dpyinfo
;
2771 struct input_event
*bufp
;
2773 struct frame
*frame
;
2775 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2779 /* On w32, this is only called from focus events, so no switch needed. */
2780 x_focus_changed (event
->msg
.message
,
2781 (event
->msg
.message
== WM_KILLFOCUS
?
2782 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2783 dpyinfo
, frame
, bufp
);
2787 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2790 x_mouse_leave (dpyinfo
)
2791 struct w32_display_info
*dpyinfo
;
2793 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2796 /* The focus has changed, or we have redirected a frame's focus to
2797 another frame (this happens when a frame uses a surrogate
2798 mini-buffer frame). Shift the highlight as appropriate.
2800 The FRAME argument doesn't necessarily have anything to do with which
2801 frame is being highlighted or un-highlighted; we only use it to find
2802 the appropriate X display info. */
2805 w32_frame_rehighlight (frame
)
2806 struct frame
*frame
;
2808 if (! FRAME_W32_P (frame
))
2810 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2814 x_frame_rehighlight (dpyinfo
)
2815 struct w32_display_info
*dpyinfo
;
2817 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2819 if (dpyinfo
->w32_focus_frame
)
2821 dpyinfo
->x_highlight_frame
2822 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2823 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2824 : dpyinfo
->w32_focus_frame
);
2825 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2827 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2828 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2832 dpyinfo
->x_highlight_frame
= 0;
2834 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2837 frame_unhighlight (old_highlight
);
2838 if (dpyinfo
->x_highlight_frame
)
2839 frame_highlight (dpyinfo
->x_highlight_frame
);
2843 /* Keyboard processing - modifier keys, etc. */
2845 /* Convert a keysym to its name. */
2848 x_get_keysym_name (keysym
)
2851 /* Make static so we can always return it */
2852 static char value
[100];
2855 GetKeyNameText (keysym
, value
, 100);
2863 /* Mouse clicks and mouse movement. Rah. */
2865 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2866 the state in PUP. XBUTTON provides extra information for extended mouse
2867 button messages. Returns FALSE if unable to parse the message. */
2869 parse_button (message
, xbutton
, pbutton
, pup
)
2880 case WM_LBUTTONDOWN
:
2888 case WM_MBUTTONDOWN
:
2889 if (NILP (Vw32_swap_mouse_buttons
))
2896 if (NILP (Vw32_swap_mouse_buttons
))
2902 case WM_RBUTTONDOWN
:
2903 if (NILP (Vw32_swap_mouse_buttons
))
2910 if (NILP (Vw32_swap_mouse_buttons
))
2916 case WM_XBUTTONDOWN
:
2917 button
= xbutton
+ 2;
2921 button
= xbutton
+ 2;
2929 if (pbutton
) *pbutton
= button
;
2935 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2937 If the event is a button press, then note that we have grabbed
2941 construct_mouse_click (result
, msg
, f
)
2942 struct input_event
*result
;
2949 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2952 /* Make the event type NO_EVENT; we'll change that when we decide
2954 result
->kind
= MOUSE_CLICK_EVENT
;
2955 result
->code
= button
;
2956 result
->timestamp
= msg
->msg
.time
;
2957 result
->modifiers
= (msg
->dwModifiers
2962 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2963 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2964 XSETFRAME (result
->frame_or_window
, f
);
2970 construct_mouse_wheel (result
, msg
, f
)
2971 struct input_event
*result
;
2978 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
2981 result
->timestamp
= msg
->msg
.time
;
2983 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2984 forward, away from the user (up); a negative value indicates that
2985 the wheel was rotated backward, toward the user (down). */
2986 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
2988 /* The up and down modifiers indicate if the wheel was rotated up or
2989 down based on WHEEL_DELTA value. */
2990 result
->modifiers
= (msg
->dwModifiers
2991 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
2993 /* With multiple monitors, we can legitimately get negative
2994 coordinates, so cast to short to interpret them correctly. */
2995 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
2996 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
2997 ScreenToClient (msg
->msg
.hwnd
, &p
);
2998 XSETINT (result
->x
, p
.x
);
2999 XSETINT (result
->y
, p
.y
);
3000 XSETFRAME (result
->frame_or_window
, f
);
3006 construct_drag_n_drop (result
, msg
, f
)
3007 struct input_event
*result
;
3019 result
->kind
= DRAG_N_DROP_EVENT
;
3021 result
->timestamp
= msg
->msg
.time
;
3022 result
->modifiers
= msg
->dwModifiers
;
3024 hdrop
= (HDROP
) msg
->msg
.wParam
;
3025 DragQueryPoint (hdrop
, &p
);
3028 p
.x
= LOWORD (msg
->msg
.lParam
);
3029 p
.y
= HIWORD (msg
->msg
.lParam
);
3030 ScreenToClient (msg
->msg
.hwnd
, &p
);
3033 XSETINT (result
->x
, p
.x
);
3034 XSETINT (result
->y
, p
.y
);
3036 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3039 for (i
= 0; i
< num_files
; i
++)
3041 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3044 name
= alloca (len
+ 1);
3045 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3046 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3051 XSETFRAME (frame
, f
);
3052 result
->frame_or_window
= frame
;
3053 result
->arg
= files
;
3058 /* Function to report a mouse movement to the mainstream Emacs code.
3059 The input handler calls this.
3061 We have received a mouse movement event, which is given in *event.
3062 If the mouse is over a different glyph than it was last time, tell
3063 the mainstream emacs code by setting mouse_moved. If not, ask for
3064 another motion event, so we can check again the next time it moves. */
3066 static MSG last_mouse_motion_event
;
3067 static Lisp_Object last_mouse_motion_frame
;
3070 note_mouse_movement (frame
, msg
)
3074 int mouse_x
= LOWORD (msg
->lParam
);
3075 int mouse_y
= HIWORD (msg
->lParam
);
3077 last_mouse_movement_time
= msg
->time
;
3078 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3079 XSETFRAME (last_mouse_motion_frame
, frame
);
3081 if (!FRAME_X_OUTPUT (frame
))
3084 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3086 frame
->mouse_moved
= 1;
3087 last_mouse_scroll_bar
= Qnil
;
3088 note_mouse_highlight (frame
, -1, -1);
3089 last_mouse_glyph_frame
= 0;
3093 /* Has the mouse moved off the glyph it was on at the last sighting? */
3094 if (frame
!= last_mouse_glyph_frame
3095 || mouse_x
< last_mouse_glyph
.left
3096 || mouse_x
>= last_mouse_glyph
.right
3097 || mouse_y
< last_mouse_glyph
.top
3098 || mouse_y
>= last_mouse_glyph
.bottom
)
3100 frame
->mouse_moved
= 1;
3101 last_mouse_scroll_bar
= Qnil
;
3102 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3103 /* Remember the mouse position here, as w32_mouse_position only
3104 gets called when mouse tracking is enabled but we also need
3105 to keep track of the mouse for help_echo and highlighting at
3107 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3108 last_mouse_glyph_frame
= frame
;
3116 /************************************************************************
3118 ************************************************************************/
3120 static struct scroll_bar
*x_window_to_scroll_bar ();
3121 static void x_scroll_bar_report_motion ();
3122 static void x_check_fullscreen
P_ ((struct frame
*));
3125 redo_mouse_highlight ()
3127 if (!NILP (last_mouse_motion_frame
)
3128 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3129 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3130 LOWORD (last_mouse_motion_event
.lParam
),
3131 HIWORD (last_mouse_motion_event
.lParam
));
3135 w32_define_cursor (window
, cursor
)
3139 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3141 /* Return the current position of the mouse.
3142 *fp should be a frame which indicates which display to ask about.
3144 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3145 and *part to the frame, window, and scroll bar part that the mouse
3146 is over. Set *x and *y to the portion and whole of the mouse's
3147 position on the scroll bar.
3149 If the mouse movement started elsewhere, set *fp to the frame the
3150 mouse is on, *bar_window to nil, and *x and *y to the character cell
3153 Set *time to the server time-stamp for the time at which the mouse
3154 was at this position.
3156 Don't store anything if we don't have a valid set of values to report.
3158 This clears the mouse_moved flag, so we can wait for the next mouse
3162 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3165 Lisp_Object
*bar_window
;
3166 enum scroll_bar_part
*part
;
3168 unsigned long *time
;
3174 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3175 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3180 Lisp_Object frame
, tail
;
3182 /* Clear the mouse-moved flag for every frame on this display. */
3183 FOR_EACH_FRAME (tail
, frame
)
3184 XFRAME (frame
)->mouse_moved
= 0;
3186 last_mouse_scroll_bar
= Qnil
;
3190 /* Now we have a position on the root; find the innermost window
3191 containing the pointer. */
3193 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3194 && FRAME_LIVE_P (last_mouse_frame
))
3196 /* If mouse was grabbed on a frame, give coords for that frame
3197 even if the mouse is now outside it. */
3198 f1
= last_mouse_frame
;
3202 /* Is window under mouse one of our frames? */
3203 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3204 WindowFromPoint (pt
));
3207 /* If not, is it one of our scroll bars? */
3210 struct scroll_bar
*bar
3211 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3215 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3219 if (f1
== 0 && insist
> 0)
3220 f1
= SELECTED_FRAME ();
3224 /* Ok, we found a frame. Store all the values.
3225 last_mouse_glyph is a rectangle used to reduce the
3226 generation of mouse events. To not miss any motion
3227 events, we must divide the frame into rectangles of the
3228 size of the smallest character that could be displayed
3229 on it, i.e. into the same rectangles that matrices on
3230 the frame are divided into. */
3232 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3233 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3234 last_mouse_glyph_frame
= f1
;
3241 *time
= last_mouse_movement_time
;
3250 /***********************************************************************
3252 ***********************************************************************/
3254 /* Handle mouse button event on the tool-bar of frame F, at
3255 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3259 w32_handle_tool_bar_click (f
, button_event
)
3261 struct input_event
*button_event
;
3263 int x
= XFASTINT (button_event
->x
);
3264 int y
= XFASTINT (button_event
->y
);
3266 if (button_event
->modifiers
& down_modifier
)
3267 handle_tool_bar_click (f
, x
, y
, 1, 0);
3269 handle_tool_bar_click (f
, x
, y
, 0,
3270 button_event
->modifiers
& ~up_modifier
);
3275 /***********************************************************************
3277 ***********************************************************************/
3279 /* Scroll bar support. */
3281 /* Given a window ID, find the struct scroll_bar which manages it.
3282 This can be called in GC, so we have to make sure to strip off mark
3285 static struct scroll_bar
*
3286 x_window_to_scroll_bar (window_id
)
3291 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3293 Lisp_Object frame
, bar
, condemned
;
3295 frame
= XCAR (tail
);
3296 /* All elements of Vframe_list should be frames. */
3297 if (! FRAMEP (frame
))
3300 /* Scan this frame's scroll bar list for a scroll bar with the
3302 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3303 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3304 /* This trick allows us to search both the ordinary and
3305 condemned scroll bar lists with one loop. */
3306 ! NILP (bar
) || (bar
= condemned
,
3309 bar
= XSCROLL_BAR (bar
)->next
)
3310 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3311 return XSCROLL_BAR (bar
);
3319 /* Set the thumb size and position of scroll bar BAR. We are currently
3320 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3323 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3324 struct scroll_bar
*bar
;
3325 int portion
, position
, whole
;
3327 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3328 /* We use the whole scroll-bar height in the calculations below, to
3329 avoid strange effects like scrolling backwards when just clicking
3330 on the handle (without moving it). */
3331 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3332 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3333 int sb_page
, sb_pos
;
3334 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3337 /* We used to change the nPage setting while dragging the handle,
3338 but that had very strange effects (such as scrolling backwards
3339 while dragging downwards).
3341 Now, we don't change the nPage setting while dragging unless we
3342 get near to the end of the buffer, in which case we often have to
3343 resize the handle to "go all the way". */
3349 si
.cbSize
= sizeof (si
);
3350 si
.fMask
= SIF_POS
| SIF_PAGE
;
3351 GetScrollInfo(w
, SB_CTL
, &si
);
3352 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3360 /* Position scroll bar at rock bottom if the bottom of the
3361 buffer is visible. This avoids shinking the thumb away
3362 to nothing if it is held at the bottom of the buffer. */
3363 if (position
+ portion
>= whole
&& !draggingp
)
3365 sb_page
= range
* (whole
- position
) / whole
;
3370 sb_pos
= position
* range
/ whole
;
3371 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3380 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3384 si
.cbSize
= sizeof (si
);
3385 si
.fMask
= SIF_PAGE
| SIF_POS
;
3389 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3395 /************************************************************************
3396 Scroll bars, general
3397 ************************************************************************/
3400 my_create_scrollbar (f
, bar
)
3402 struct scroll_bar
* bar
;
3404 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3405 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3409 /*#define ATTACH_THREADS*/
3412 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3414 #ifndef ATTACH_THREADS
3415 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3416 (WPARAM
) hwnd
, (LPARAM
) how
);
3418 return ShowWindow (hwnd
, how
);
3423 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3424 int x
, int y
, int cx
, int cy
, UINT flags
)
3426 #ifndef ATTACH_THREADS
3428 pos
.hwndInsertAfter
= hwndAfter
;
3434 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3436 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3441 my_set_focus (f
, hwnd
)
3445 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3450 my_set_foreground_window (hwnd
)
3453 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3458 my_destroy_window (f
, hwnd
)
3462 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3466 /* Create a scroll bar and return the scroll bar vector for it. W is
3467 the Emacs window on which to create the scroll bar. TOP, LEFT,
3468 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3471 static struct scroll_bar
*
3472 x_scroll_bar_create (w
, top
, left
, width
, height
)
3474 int top
, left
, width
, height
;
3476 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3479 struct scroll_bar
*bar
3480 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3484 XSETWINDOW (bar
->window
, w
);
3485 XSETINT (bar
->top
, top
);
3486 XSETINT (bar
->left
, left
);
3487 XSETINT (bar
->width
, width
);
3488 XSETINT (bar
->height
, height
);
3489 XSETINT (bar
->start
, 0);
3490 XSETINT (bar
->end
, 0);
3491 bar
->dragging
= Qnil
;
3492 bar
->fringe_extended_p
= Qnil
;
3494 /* Requires geometry to be set before call to create the real window */
3496 hwnd
= my_create_scrollbar (f
, bar
);
3498 si
.cbSize
= sizeof (si
);
3501 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3502 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3506 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3508 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3510 /* Add bar to its frame's list of scroll bars. */
3511 bar
->next
= FRAME_SCROLL_BARS (f
);
3513 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3514 if (! NILP (bar
->next
))
3515 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3523 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3527 x_scroll_bar_remove (bar
)
3528 struct scroll_bar
*bar
;
3530 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3534 /* Destroy the window. */
3535 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3537 /* Disassociate this scroll bar from its window. */
3538 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3543 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3544 that we are displaying PORTION characters out of a total of WHOLE
3545 characters, starting at POSITION. If WINDOW has no scroll bar,
3548 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3550 int portion
, whole
, position
;
3552 struct frame
*f
= XFRAME (w
->frame
);
3553 struct scroll_bar
*bar
;
3554 int top
, height
, left
, sb_left
, width
, sb_width
;
3555 int window_y
, window_height
;
3556 int fringe_extended_p
;
3558 /* Get window dimensions. */
3559 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3561 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3562 height
= window_height
;
3564 /* Compute the left edge of the scroll bar area. */
3565 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3567 /* Compute the width of the scroll bar which might be less than
3568 the width of the area reserved for the scroll bar. */
3569 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3570 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3574 /* Compute the left edge of the scroll bar. */
3575 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3576 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3578 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3580 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3581 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3582 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3583 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3584 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3586 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3587 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3588 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3589 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3591 /* Does the scroll bar exist yet? */
3592 if (NILP (w
->vertical_scroll_bar
))
3596 if (width
> 0 && height
> 0)
3598 hdc
= get_frame_dc (f
);
3599 if (fringe_extended_p
)
3600 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3602 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3603 release_frame_dc (f
, hdc
);
3607 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3611 /* It may just need to be moved and resized. */
3614 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3615 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3617 /* If already correctly positioned, do nothing. */
3618 if ( XINT (bar
->left
) == sb_left
3619 && XINT (bar
->top
) == top
3620 && XINT (bar
->width
) == sb_width
3621 && XINT (bar
->height
) == height
3622 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3624 /* Redraw after clear_frame. */
3625 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3626 InvalidateRect (hwnd
, NULL
, FALSE
);
3634 if (width
&& height
)
3636 hdc
= get_frame_dc (f
);
3637 /* Since Windows scroll bars are smaller than the space reserved
3638 for them on the frame, we have to clear "under" them. */
3639 if (fringe_extended_p
)
3640 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3642 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3643 release_frame_dc (f
, hdc
);
3645 /* Make sure scroll bar is "visible" before moving, to ensure the
3646 area of the parent window now exposed will be refreshed. */
3647 my_show_window (f
, hwnd
, SW_HIDE
);
3648 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3649 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3650 max (height
, 1), TRUE
);
3652 si
.cbSize
= sizeof (si
);
3653 si
.fMask
= SIF_RANGE
;
3655 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3656 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3658 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3660 my_show_window (f
, hwnd
, SW_NORMAL
);
3661 /* InvalidateRect (w, NULL, FALSE); */
3663 /* Remember new settings. */
3664 XSETINT (bar
->left
, sb_left
);
3665 XSETINT (bar
->top
, top
);
3666 XSETINT (bar
->width
, sb_width
);
3667 XSETINT (bar
->height
, height
);
3672 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3674 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3676 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3680 /* The following three hooks are used when we're doing a thorough
3681 redisplay of the frame. We don't explicitly know which scroll bars
3682 are going to be deleted, because keeping track of when windows go
3683 away is a real pain - "Can you say set-window-configuration, boys
3684 and girls?" Instead, we just assert at the beginning of redisplay
3685 that *all* scroll bars are to be removed, and then save a scroll bar
3686 from the fiery pit when we actually redisplay its window. */
3688 /* Arrange for all scroll bars on FRAME to be removed at the next call
3689 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3690 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3693 w32_condemn_scroll_bars (frame
)
3696 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3697 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3700 bar
= FRAME_SCROLL_BARS (frame
);
3701 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3702 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3703 XSCROLL_BAR (bar
)->prev
= Qnil
;
3704 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3705 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3706 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3711 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3712 Note that WINDOW isn't necessarily condemned at all. */
3715 w32_redeem_scroll_bar (window
)
3716 struct window
*window
;
3718 struct scroll_bar
*bar
;
3721 /* We can't redeem this window's scroll bar if it doesn't have one. */
3722 if (NILP (window
->vertical_scroll_bar
))
3725 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3727 /* Unlink it from the condemned list. */
3728 f
= XFRAME (WINDOW_FRAME (window
));
3729 if (NILP (bar
->prev
))
3731 /* If the prev pointer is nil, it must be the first in one of
3733 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3734 /* It's not condemned. Everything's fine. */
3736 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3737 window
->vertical_scroll_bar
))
3738 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3740 /* If its prev pointer is nil, it must be at the front of
3741 one or the other! */
3745 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3747 if (! NILP (bar
->next
))
3748 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3750 bar
->next
= FRAME_SCROLL_BARS (f
);
3752 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3753 if (! NILP (bar
->next
))
3754 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3757 /* Remove all scroll bars on FRAME that haven't been saved since the
3758 last call to `*condemn_scroll_bars_hook'. */
3761 w32_judge_scroll_bars (f
)
3764 Lisp_Object bar
, next
;
3766 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3768 /* Clear out the condemned list now so we won't try to process any
3769 more events on the hapless scroll bars. */
3770 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3772 for (; ! NILP (bar
); bar
= next
)
3774 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3776 x_scroll_bar_remove (b
);
3779 b
->next
= b
->prev
= Qnil
;
3782 /* Now there should be no references to the condemned scroll bars,
3783 and they should get garbage-collected. */
3786 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3787 is set to something other than NO_EVENT, it is enqueued.
3789 This may be called from a signal handler, so we have to ignore GC
3793 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3794 struct scroll_bar
*bar
;
3796 struct input_event
*emacs_event
;
3798 if (! WINDOWP (bar
->window
))
3801 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3802 emacs_event
->code
= 0;
3803 /* not really meaningful to distinguish up/down */
3804 emacs_event
->modifiers
= msg
->dwModifiers
;
3805 emacs_event
->frame_or_window
= bar
->window
;
3806 emacs_event
->arg
= Qnil
;
3807 emacs_event
->timestamp
= msg
->msg
.time
;
3810 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3812 int dragging
= !NILP (bar
->dragging
);
3815 si
.cbSize
= sizeof (si
);
3818 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3821 bar
->dragging
= Qnil
;
3824 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3826 switch (LOWORD (msg
->msg
.wParam
))
3829 emacs_event
->part
= scroll_bar_down_arrow
;
3832 emacs_event
->part
= scroll_bar_up_arrow
;
3835 emacs_event
->part
= scroll_bar_above_handle
;
3838 emacs_event
->part
= scroll_bar_below_handle
;
3841 emacs_event
->part
= scroll_bar_handle
;
3845 emacs_event
->part
= scroll_bar_handle
;
3849 case SB_THUMBPOSITION
:
3850 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3851 y
= HIWORD (msg
->msg
.wParam
);
3853 emacs_event
->part
= scroll_bar_handle
;
3855 /* "Silently" update current position. */
3859 si
.cbSize
= sizeof (si
);
3862 /* Remember apparent position (we actually lag behind the real
3863 position, so don't set that directly. */
3864 last_scroll_bar_drag_pos
= y
;
3866 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3870 /* If this is the end of a drag sequence, then reset the scroll
3871 handle size to normal and do a final redraw. Otherwise do
3876 int start
= XINT (bar
->start
);
3877 int end
= XINT (bar
->end
);
3879 si
.cbSize
= sizeof (si
);
3880 si
.fMask
= SIF_PAGE
| SIF_POS
;
3881 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3882 si
.nPos
= last_scroll_bar_drag_pos
;
3883 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3887 emacs_event
->kind
= NO_EVENT
;
3891 XSETINT (emacs_event
->x
, y
);
3892 XSETINT (emacs_event
->y
, top_range
);
3898 /* Return information to the user about the current position of the mouse
3899 on the scroll bar. */
3902 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
3904 Lisp_Object
*bar_window
;
3905 enum scroll_bar_part
*part
;
3907 unsigned long *time
;
3909 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3910 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3911 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3913 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3919 *bar_window
= bar
->window
;
3921 si
.cbSize
= sizeof (si
);
3922 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3924 GetScrollInfo (w
, SB_CTL
, &si
);
3926 top_range
= si
.nMax
- si
.nPage
+ 1;
3928 switch (LOWORD (last_mouse_scroll_bar_pos
))
3930 case SB_THUMBPOSITION
:
3932 *part
= scroll_bar_handle
;
3933 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3934 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3937 *part
= scroll_bar_handle
;
3941 *part
= scroll_bar_handle
;
3946 XSETINT (*y
, top_range
);
3949 last_mouse_scroll_bar
= Qnil
;
3951 *time
= last_mouse_movement_time
;
3957 /* The screen has been cleared so we may have changed foreground or
3958 background colors, and the scroll bars may need to be redrawn.
3959 Clear out the scroll bars, and ask for expose events, so we can
3963 x_scroll_bar_clear (f
)
3968 /* We can have scroll bars even if this is 0,
3969 if we just turned off scroll bar mode.
3970 But in that case we should not clear them. */
3971 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
3972 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3973 bar
= XSCROLL_BAR (bar
)->next
)
3975 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
3976 HDC hdc
= GetDC (window
);
3979 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
3980 arranges to refresh the scroll bar if hidden. */
3981 my_show_window (f
, window
, SW_HIDE
);
3983 GetClientRect (window
, &rect
);
3984 select_palette (f
, hdc
);
3985 w32_clear_rect (f
, hdc
, &rect
);
3986 deselect_palette (f
, hdc
);
3988 ReleaseDC (window
, hdc
);
3993 /* The main W32 event-reading loop - w32_read_socket. */
3995 /* Record the last 100 characters stored
3996 to help debug the loss-of-chars-during-GC problem. */
3998 static int temp_index
;
3999 static short temp_buffer
[100];
4001 /* Temporarily store lead byte of DBCS input sequences. */
4002 static char dbcs_lead
= 0;
4004 /* Read events coming from the W32 shell.
4005 This routine is called by the SIGIO handler.
4006 We return as soon as there are no more events to be read.
4008 We return the number of characters stored into the buffer,
4009 thus pretending to be `read'.
4011 EXPECTED is nonzero if the caller knows input is available.
4013 Some of these messages are reposted back to the message queue since the
4014 system calls the windows proc directly in a context where we cannot return
4015 the data nor can we guarantee the state we are in. So if we dispatch them
4016 we will get into an infinite loop. To prevent this from ever happening we
4017 will set a variable to indicate we are in the read_socket call and indicate
4018 which message we are processing since the windows proc gets called
4019 recursively with different messages by the system.
4023 w32_read_socket (sd
, expected
, hold_quit
)
4026 struct input_event
*hold_quit
;
4029 int check_visibility
= 0;
4032 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4034 if (interrupt_input_blocked
)
4036 interrupt_input_pending
= 1;
4040 interrupt_input_pending
= 0;
4043 /* So people can tell when we have read the available input. */
4044 input_signal_count
++;
4046 /* TODO: ghostscript integration. */
4047 while (get_next_msg (&msg
, FALSE
))
4049 struct input_event inev
;
4053 inev
.kind
= NO_EVENT
;
4056 switch (msg
.msg
.message
)
4059 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4063 if (msg
.rect
.right
== msg
.rect
.left
||
4064 msg
.rect
.bottom
== msg
.rect
.top
)
4066 /* We may get paint messages even though the client
4067 area is clipped - these are not expose events. */
4068 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4071 else if (f
->async_visible
!= 1)
4073 /* Definitely not obscured, so mark as visible. */
4074 f
->async_visible
= 1;
4075 f
->async_iconified
= 0;
4076 SET_FRAME_GARBAGED (f
);
4077 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4080 /* WM_PAINT serves as MapNotify as well, so report
4081 visibility changes properly. */
4084 inev
.kind
= DEICONIFY_EVENT
;
4085 XSETFRAME (inev
.frame_or_window
, f
);
4087 else if (! NILP (Vframe_list
)
4088 && ! NILP (XCDR (Vframe_list
)))
4089 /* Force a redisplay sooner or later to update the
4090 frame titles in case this is the second frame. */
4091 record_asynch_buffer_change ();
4095 HDC hdc
= get_frame_dc (f
);
4097 /* Erase background again for safety. */
4098 w32_clear_rect (f
, hdc
, &msg
.rect
);
4099 release_frame_dc (f
, hdc
);
4103 msg
.rect
.right
- msg
.rect
.left
,
4104 msg
.rect
.bottom
- msg
.rect
.top
);
4109 case WM_INPUTLANGCHANGE
:
4110 /* Generate a language change event. */
4111 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4115 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4116 XSETFRAME (inev
.frame_or_window
, f
);
4117 inev
.code
= msg
.msg
.wParam
;
4118 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4124 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4126 if (f
&& !f
->iconified
)
4128 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4129 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4131 clear_mouse_face (dpyinfo
);
4132 dpyinfo
->mouse_face_hidden
= 1;
4135 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4137 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4138 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4139 inev
.code
= msg
.msg
.wParam
;
4140 inev
.modifiers
= msg
.dwModifiers
;
4141 XSETFRAME (inev
.frame_or_window
, f
);
4142 inev
.timestamp
= msg
.msg
.time
;
4149 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4151 if (f
&& !f
->iconified
)
4153 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4154 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4156 clear_mouse_face (dpyinfo
);
4157 dpyinfo
->mouse_face_hidden
= 1;
4160 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4162 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4164 inev
.modifiers
= msg
.dwModifiers
;
4165 XSETFRAME (inev
.frame_or_window
, f
);
4166 inev
.timestamp
= msg
.msg
.time
;
4168 if (msg
.msg
.message
== WM_UNICHAR
)
4170 inev
.code
= msg
.msg
.wParam
;
4172 else if (msg
.msg
.wParam
< 256)
4177 dbcs
[1] = (char) msg
.msg
.wParam
;
4181 dbcs
[0] = dbcs_lead
;
4183 if (!MultiByteToWideChar (CP_ACP
, 0, dbcs
, 2, &code
, 1))
4186 DebPrint (("Invalid DBCS sequence: %d %d\n",
4188 inev
.kind
= NO_EVENT
;
4192 else if (IsDBCSLeadByteEx (CP_ACP
, (BYTE
) msg
.msg
.wParam
))
4194 dbcs_lead
= (char) msg
.msg
.wParam
;
4195 inev
.kind
= NO_EVENT
;
4200 if (!MultiByteToWideChar (CP_ACP
, 0, &dbcs
[1], 1,
4203 /* What to do with garbage? */
4204 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4205 inev
.kind
= NO_EVENT
;
4213 /* Windows shouldn't generate WM_CHAR events above 0xFF
4214 in non-Unicode message handlers. */
4215 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4216 inev
.kind
= NO_EVENT
;
4219 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4220 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4225 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4227 if (f
&& !f
->iconified
)
4229 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4230 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4232 clear_mouse_face (dpyinfo
);
4233 dpyinfo
->mouse_face_hidden
= 1;
4236 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4238 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4239 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4240 inev
.code
= GET_APPCOMMAND_LPARAM(msg
.msg
.lParam
);
4241 inev
.modifiers
= msg
.dwModifiers
;
4242 XSETFRAME (inev
.frame_or_window
, f
);
4243 inev
.timestamp
= msg
.msg
.time
;
4248 /* Ignore non-movement. */
4250 int x
= LOWORD (msg
.msg
.lParam
);
4251 int y
= HIWORD (msg
.msg
.lParam
);
4252 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4254 last_mousemove_x
= x
;
4255 last_mousemove_y
= y
;
4258 previous_help_echo_string
= help_echo_string
;
4259 help_echo_string
= Qnil
;
4261 if (dpyinfo
->grabbed
&& last_mouse_frame
4262 && FRAME_LIVE_P (last_mouse_frame
))
4263 f
= last_mouse_frame
;
4265 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4267 if (dpyinfo
->mouse_face_hidden
)
4269 dpyinfo
->mouse_face_hidden
= 0;
4270 clear_mouse_face (dpyinfo
);
4275 /* Generate SELECT_WINDOW_EVENTs when needed. */
4276 if (!NILP (Vmouse_autoselect_window
))
4279 int x
= LOWORD (msg
.msg
.lParam
);
4280 int y
= HIWORD (msg
.msg
.lParam
);
4282 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4284 /* Window will be selected only when it is not
4285 selected now and last mouse movement event was
4286 not in it. Minibuffer window will be selected
4287 only when it is active. */
4289 && !EQ (window
, last_window
)
4290 && !EQ (window
, selected_window
)
4291 /* For click-to-focus window managers
4292 create event iff we don't leave the
4294 && (focus_follows_mouse
4295 || (EQ (XWINDOW (window
)->frame
,
4296 XWINDOW (selected_window
)->frame
))))
4298 inev
.kind
= SELECT_WINDOW_EVENT
;
4299 inev
.frame_or_window
= window
;
4304 if (!note_mouse_movement (f
, &msg
.msg
))
4305 help_echo_string
= previous_help_echo_string
;
4309 /* If we move outside the frame, then we're
4310 certainly no longer on any text in the frame. */
4311 clear_mouse_face (dpyinfo
);
4314 /* If the contents of the global variable help_echo_string
4315 has changed, generate a HELP_EVENT. */
4316 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4317 But it was originally changed to this to fix a bug, so I have
4318 not removed it completely in case the bug is still there. */
4319 if (help_echo_string
!= previous_help_echo_string
||
4320 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4321 #else /* This is what xterm.c does. */
4322 if (!NILP (help_echo_string
)
4323 || !NILP (previous_help_echo_string
))
4328 case WM_LBUTTONDOWN
:
4330 case WM_MBUTTONDOWN
:
4332 case WM_RBUTTONDOWN
:
4334 case WM_XBUTTONDOWN
:
4337 /* If we decide we want to generate an event to be seen
4338 by the rest of Emacs, we put it here. */
4343 if (dpyinfo
->grabbed
&& last_mouse_frame
4344 && FRAME_LIVE_P (last_mouse_frame
))
4345 f
= last_mouse_frame
;
4347 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4351 construct_mouse_click (&inev
, &msg
, f
);
4353 /* Is this in the tool-bar? */
4354 if (WINDOWP (f
->tool_bar_window
)
4355 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4358 int x
= XFASTINT (inev
.x
);
4359 int y
= XFASTINT (inev
.y
);
4361 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4363 if (EQ (window
, f
->tool_bar_window
))
4365 w32_handle_tool_bar_click (f
, &inev
);
4371 || (dpyinfo
->w32_focus_frame
4372 && f
!= dpyinfo
->w32_focus_frame
))
4373 inev
.kind
= NO_EVENT
;
4376 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4381 dpyinfo
->grabbed
&= ~ (1 << button
);
4385 dpyinfo
->grabbed
|= (1 << button
);
4386 last_mouse_frame
= f
;
4387 /* Ignore any mouse motion that happened
4388 before this event; any subsequent mouse-movement
4389 Emacs events should reflect only motion after
4395 last_tool_bar_item
= -1;
4401 case WM_MOUSEHWHEEL
:
4403 if (dpyinfo
->grabbed
&& last_mouse_frame
4404 && FRAME_LIVE_P (last_mouse_frame
))
4405 f
= last_mouse_frame
;
4407 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4412 if (!dpyinfo
->w32_focus_frame
4413 || f
== dpyinfo
->w32_focus_frame
)
4415 /* Emit an Emacs wheel-up/down event. */
4416 construct_mouse_wheel (&inev
, &msg
, f
);
4418 /* Ignore any mouse motion that happened before this
4419 event; any subsequent mouse-movement Emacs events
4420 should reflect only motion after the
4424 last_mouse_frame
= f
;
4425 last_tool_bar_item
= -1;
4430 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4433 construct_drag_n_drop (&inev
, &msg
, f
);
4438 struct scroll_bar
*bar
=
4439 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4442 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4446 case WM_WINDOWPOSCHANGED
:
4447 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4450 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4451 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4453 check_visibility
= 1;
4457 case WM_ACTIVATEAPP
:
4458 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4460 x_check_fullscreen (f
);
4461 check_visibility
= 1;
4465 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4467 if (f
&& !f
->async_iconified
)
4471 x_real_positions (f
, &x
, &y
);
4476 check_visibility
= 1;
4480 /* wParam non-zero means Window is about to be shown, 0 means
4481 about to be hidden. */
4482 /* Redo the mouse-highlight after the tooltip has gone. */
4483 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4486 redo_mouse_highlight ();
4489 /* If window has been obscured or exposed by another window
4490 being maximised or minimised/restored, then recheck
4491 visibility of all frames. Direct changes to our own
4492 windows get handled by WM_SIZE. */
4494 if (msg
.msg
.lParam
!= 0)
4495 check_visibility
= 1;
4498 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4499 f
->async_visible
= msg
.msg
.wParam
;
4503 check_visibility
= 1;
4507 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4509 /* Inform lisp of whether frame has been iconified etc. */
4512 switch (msg
.msg
.wParam
)
4514 case SIZE_MINIMIZED
:
4515 f
->async_visible
= 0;
4516 f
->async_iconified
= 1;
4518 inev
.kind
= ICONIFY_EVENT
;
4519 XSETFRAME (inev
.frame_or_window
, f
);
4522 case SIZE_MAXIMIZED
:
4524 f
->async_visible
= 1;
4525 f
->async_iconified
= 0;
4527 /* wait_reading_process_output will notice this and update
4528 the frame's display structures. */
4529 SET_FRAME_GARBAGED (f
);
4535 /* Reset top and left positions of the Window
4536 here since Windows sends a WM_MOVE message
4537 BEFORE telling us the Window is minimized
4538 when the Window is iconified, with 3000,3000
4540 x_real_positions (f
, &x
, &y
);
4544 inev
.kind
= DEICONIFY_EVENT
;
4545 XSETFRAME (inev
.frame_or_window
, f
);
4547 else if (! NILP (Vframe_list
)
4548 && ! NILP (XCDR (Vframe_list
)))
4549 /* Force a redisplay sooner or later
4550 to update the frame titles
4551 in case this is the second frame. */
4552 record_asynch_buffer_change ();
4557 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4565 GetClientRect (msg
.msg
.hwnd
, &rect
);
4567 height
= rect
.bottom
- rect
.top
;
4568 width
= rect
.right
- rect
.left
;
4570 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4571 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4573 /* TODO: Clip size to the screen dimensions. */
4575 /* Even if the number of character rows and columns has
4576 not changed, the font size may have changed, so we need
4577 to check the pixel dimensions as well. */
4579 if (columns
!= FRAME_COLS (f
)
4580 || rows
!= FRAME_LINES (f
)
4581 || width
!= FRAME_PIXEL_WIDTH (f
)
4582 || height
!= FRAME_PIXEL_HEIGHT (f
))
4584 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4585 SET_FRAME_GARBAGED (f
);
4586 cancel_mouse_face (f
);
4587 FRAME_PIXEL_WIDTH (f
) = width
;
4588 FRAME_PIXEL_HEIGHT (f
) = height
;
4589 f
->win_gravity
= NorthWestGravity
;
4593 check_visibility
= 1;
4597 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4600 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4602 /* If we move outside the frame, then we're
4603 certainly no longer on any text in the frame. */
4604 clear_mouse_face (dpyinfo
);
4605 dpyinfo
->mouse_face_mouse_frame
= 0;
4608 /* Generate a nil HELP_EVENT to cancel a help-echo.
4609 Do it only if there's something to cancel.
4610 Otherwise, the startup message is cleared when
4611 the mouse leaves the frame. */
4612 if (any_help_event_p
)
4618 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4620 dpyinfo
->grabbed
= 0;
4621 check_visibility
= 1;
4625 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4629 if (f
== dpyinfo
->w32_focus_event_frame
)
4630 dpyinfo
->w32_focus_event_frame
= 0;
4632 if (f
== dpyinfo
->w32_focus_frame
)
4633 x_new_focus_frame (dpyinfo
, 0);
4635 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4637 /* If we move outside the frame, then we're
4638 certainly no longer on any text in the frame. */
4639 clear_mouse_face (dpyinfo
);
4640 dpyinfo
->mouse_face_mouse_frame
= 0;
4643 /* Generate a nil HELP_EVENT to cancel a help-echo.
4644 Do it only if there's something to cancel.
4645 Otherwise, the startup message is cleared when
4646 the mouse leaves the frame. */
4647 if (any_help_event_p
)
4651 dpyinfo
->grabbed
= 0;
4652 check_visibility
= 1;
4656 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4660 inev
.kind
= DELETE_WINDOW_EVENT
;
4661 XSETFRAME (inev
.frame_or_window
, f
);
4666 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4670 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4671 XSETFRAME (inev
.frame_or_window
, f
);
4676 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4680 extern void menubar_selection_callback
4681 (FRAME_PTR f
, void * client_data
);
4682 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4685 check_visibility
= 1;
4688 case WM_DISPLAYCHANGE
:
4689 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4693 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4694 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4695 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4696 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4700 check_visibility
= 1;
4704 /* Check for messages registered at runtime. */
4705 if (msg
.msg
.message
== msh_mousewheel
)
4707 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4708 msg
.msg
.message
= WM_MOUSEWHEEL
;
4714 if (inev
.kind
!= NO_EVENT
)
4716 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4721 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4726 XSETFRAME (frame
, f
);
4732 if (NILP (help_echo_string
))
4734 help_echo_object
= help_echo_window
= Qnil
;
4738 any_help_event_p
= 1;
4739 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4740 help_echo_object
, help_echo_pos
);
4744 help_echo_string
= Qnil
;
4745 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4751 /* If the focus was just given to an autoraising frame,
4753 /* ??? This ought to be able to handle more than one such frame. */
4754 if (pending_autoraise_frame
)
4756 x_raise_frame (pending_autoraise_frame
);
4757 pending_autoraise_frame
= 0;
4760 /* Check which frames are still visisble, if we have enqueued any user
4761 events or been notified of events that may affect visibility. We
4762 do this here because there doesn't seem to be any direct
4763 notification from Windows that the visibility of a window has
4764 changed (at least, not in all cases). */
4765 if (count
> 0 || check_visibility
)
4767 Lisp_Object tail
, frame
;
4769 FOR_EACH_FRAME (tail
, frame
)
4771 FRAME_PTR f
= XFRAME (frame
);
4772 /* The tooltip has been drawn already. Avoid the
4773 SET_FRAME_GARBAGED below. */
4774 if (EQ (frame
, tip_frame
))
4777 /* Check "visible" frames and mark each as obscured or not.
4778 Note that async_visible is nonzero for unobscured and
4779 obscured frames, but zero for hidden and iconified frames. */
4780 if (FRAME_W32_P (f
) && f
->async_visible
)
4786 /* Query clipping rectangle for the entire window area
4787 (GetWindowDC), not just the client portion (GetDC).
4788 Otherwise, the scrollbars and menubar aren't counted as
4789 part of the visible area of the frame, and we may think
4790 the frame is obscured when really a scrollbar is still
4791 visible and gets WM_PAINT messages above. */
4792 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4793 GetClipBox (hdc
, &clipbox
);
4794 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4797 if (clipbox
.right
== clipbox
.left
4798 || clipbox
.bottom
== clipbox
.top
)
4800 /* Frame has become completely obscured so mark as
4801 such (we do this by setting async_visible to 2 so
4802 that FRAME_VISIBLE_P is still true, but redisplay
4804 f
->async_visible
= 2;
4806 if (!FRAME_OBSCURED_P (f
))
4808 DebPrint (("frame %p (%s) obscured\n", f
,
4814 /* Frame is not obscured, so mark it as such. */
4815 f
->async_visible
= 1;
4817 if (FRAME_OBSCURED_P (f
))
4819 SET_FRAME_GARBAGED (f
);
4820 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4823 /* Force a redisplay sooner or later. */
4824 record_asynch_buffer_change ();
4837 /***********************************************************************
4839 ***********************************************************************/
4841 /* Set clipping for output in glyph row ROW. W is the window in which
4842 we operate. GC is the graphics context to set clipping in.
4844 ROW may be a text row or, e.g., a mode line. Text rows must be
4845 clipped to the interior of the window dedicated to text display,
4846 mode lines must be clipped to the whole window. */
4849 w32_clip_to_row (w
, row
, area
, hdc
)
4851 struct glyph_row
*row
;
4855 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4857 int window_x
, window_y
, window_width
;
4859 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4861 clip_rect
.left
= window_x
;
4862 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4863 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4864 clip_rect
.right
= clip_rect
.left
+ window_width
;
4865 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4867 w32_set_clip_rectangle (hdc
, &clip_rect
);
4871 /* Draw a hollow box cursor on window W in glyph row ROW. */
4874 x_draw_hollow_cursor (w
, row
)
4876 struct glyph_row
*row
;
4878 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4882 struct glyph
*cursor_glyph
;
4883 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4885 /* Get the glyph the cursor is on. If we can't tell because
4886 the current matrix is invalid or such, give up. */
4887 cursor_glyph
= get_phys_cursor_glyph (w
);
4888 if (cursor_glyph
== NULL
)
4891 /* Compute frame-relative coordinates for phys cursor. */
4892 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4895 rect
.bottom
= rect
.top
+ h
;
4896 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4898 hdc
= get_frame_dc (f
);
4899 /* Set clipping, draw the rectangle, and reset clipping again. */
4900 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4901 FrameRect (hdc
, &rect
, hb
);
4903 w32_set_clip_rectangle (hdc
, NULL
);
4904 release_frame_dc (f
, hdc
);
4908 /* Draw a bar cursor on window W in glyph row ROW.
4910 Implementation note: One would like to draw a bar cursor with an
4911 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4912 Unfortunately, I didn't find a font yet that has this property set.
4916 x_draw_bar_cursor (w
, row
, width
, kind
)
4918 struct glyph_row
*row
;
4920 enum text_cursor_kinds kind
;
4922 struct frame
*f
= XFRAME (w
->frame
);
4923 struct glyph
*cursor_glyph
;
4927 /* If cursor is out of bounds, don't draw garbage. This can happen
4928 in mini-buffer windows when switching between echo area glyphs
4930 cursor_glyph
= get_phys_cursor_glyph (w
);
4931 if (cursor_glyph
== NULL
)
4934 /* If on an image, draw like a normal cursor. That's usually better
4935 visible than drawing a bar, esp. if the image is large so that
4936 the bar might not be in the window. */
4937 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4939 struct glyph_row
*row
;
4940 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4941 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4945 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4946 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4948 /* If the glyph's background equals the color we normally draw
4949 the bar cursor in, the bar cursor in its normal color is
4950 invisible. Use the glyph's foreground color instead in this
4951 case, on the assumption that the glyph's colors are chosen so
4952 that the glyph is legible. */
4953 if (face
->background
== cursor_color
)
4954 cursor_color
= face
->foreground
;
4956 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4959 width
= FRAME_CURSOR_WIDTH (f
);
4960 width
= min (cursor_glyph
->pixel_width
, width
);
4962 w
->phys_cursor_width
= width
;
4965 hdc
= get_frame_dc (f
);
4966 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4968 if (kind
== BAR_CURSOR
)
4970 w32_fill_area (f
, hdc
, cursor_color
, x
,
4971 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
4972 width
, row
->height
);
4976 w32_fill_area (f
, hdc
, cursor_color
, x
,
4977 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
4978 row
->height
- width
),
4979 cursor_glyph
->pixel_width
, width
);
4982 w32_set_clip_rectangle (hdc
, NULL
);
4983 release_frame_dc (f
, hdc
);
4988 /* RIF: Define cursor CURSOR on frame F. */
4991 w32_define_frame_cursor (f
, cursor
)
4995 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
4999 /* RIF: Clear area on frame F. */
5002 w32_clear_frame_area (f
, x
, y
, width
, height
)
5004 int x
, y
, width
, height
;
5008 hdc
= get_frame_dc (f
);
5009 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5010 release_frame_dc (f
, hdc
);
5013 /* RIF: Draw or clear cursor on window W. */
5016 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5018 struct glyph_row
*glyph_row
;
5020 int cursor_type
, cursor_width
;
5025 /* If the user wants to use the system caret, make sure our own
5026 cursor remains invisible. */
5027 if (w32_use_visible_system_caret
)
5029 /* Call to erase_phys_cursor here seems to use the
5030 wrong values of w->phys_cursor, as they have been
5031 overwritten before this function was called. */
5032 if (w
->phys_cursor_type
!= NO_CURSOR
)
5033 erase_phys_cursor (w
);
5035 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5036 w
->phys_cursor_width
= -1;
5040 w
->phys_cursor_type
= cursor_type
;
5043 w
->phys_cursor_on_p
= 1;
5045 /* If this is the active cursor, we need to track it with the
5046 system caret, so third party software like screen magnifiers
5047 and speech synthesizers can follow the cursor. */
5050 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5051 HWND hwnd
= FRAME_W32_WINDOW (f
);
5054 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5056 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5057 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5059 /* If the size of the active cursor changed, destroy the old
5061 if (w32_system_caret_hwnd
5062 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5063 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5065 w32_system_caret_height
= w
->phys_cursor_height
;
5067 /* Move the system caret. */
5068 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5071 if (glyph_row
->exact_window_width_line_p
5072 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5074 glyph_row
->cursor_in_fringe_p
= 1;
5075 draw_fringe_bitmap (w
, glyph_row
, 0);
5079 switch (cursor_type
)
5081 case HOLLOW_BOX_CURSOR
:
5082 x_draw_hollow_cursor (w
, glyph_row
);
5085 case FILLED_BOX_CURSOR
:
5086 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5090 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5094 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5098 w
->phys_cursor_width
= 0;
5112 x_bitmap_icon (f
, icon
)
5117 HANDLE small_icon
= NULL
;
5119 if (FRAME_W32_WINDOW (f
) == 0)
5123 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5124 else if (STRINGP (icon
))
5126 /* Load the main icon from the named file. */
5127 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5128 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5129 /* Try to load a small icon to go with it. */
5130 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5131 GetSystemMetrics (SM_CXSMICON
),
5132 GetSystemMetrics (SM_CYSMICON
),
5135 else if (SYMBOLP (icon
))
5139 if (EQ (icon
, intern ("application")))
5140 name
= (LPCTSTR
) IDI_APPLICATION
;
5141 else if (EQ (icon
, intern ("hand")))
5142 name
= (LPCTSTR
) IDI_HAND
;
5143 else if (EQ (icon
, intern ("question")))
5144 name
= (LPCTSTR
) IDI_QUESTION
;
5145 else if (EQ (icon
, intern ("exclamation")))
5146 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5147 else if (EQ (icon
, intern ("asterisk")))
5148 name
= (LPCTSTR
) IDI_ASTERISK
;
5149 else if (EQ (icon
, intern ("winlogo")))
5150 name
= (LPCTSTR
) IDI_WINLOGO
;
5154 main_icon
= LoadIcon (NULL
, name
);
5159 if (main_icon
== NULL
)
5162 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5163 (LPARAM
) main_icon
);
5165 /* If there is a small icon that goes with it, set that too. */
5167 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5168 (LPARAM
) small_icon
);
5174 /************************************************************************
5176 ************************************************************************/
5178 /* Display Error Handling functions not used on W32. Listing them here
5179 helps diff stay in step when comparing w32term.c with xterm.c.
5181 x_error_catcher (display, error)
5182 x_catch_errors (dpy)
5183 x_catch_errors_unwind (old_val)
5184 x_check_errors (dpy, format)
5185 x_fully_uncatch_errors ()
5186 x_catching_errors ()
5187 x_had_errors_p (dpy)
5188 x_clear_errors (dpy)
5189 x_uncatch_errors (dpy, count)
5191 x_connection_signal (signalnum)
5192 x_connection_closed (dpy, error_message)
5193 x_error_quitter (display, error)
5194 x_error_handler (display, error)
5195 x_io_error_quitter (display)
5200 /* Changing the font of the frame. */
5203 x_new_font (f
, font_object
, fontset
)
5205 Lisp_Object font_object
;
5208 struct font
*font
= XFONT_OBJECT (font_object
);
5211 fontset
= fontset_from_font (font_object
);
5212 FRAME_FONTSET (f
) = fontset
;
5213 if (FRAME_FONT (f
) == font
)
5214 /* This font is already set in frame F. There's nothing more to
5216 return fontset_name (fontset
);
5220 FRAME_FONT (f
) = font
;
5221 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5222 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5223 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5224 FRAME_LINE_HEIGHT (f
) = font
->height
;
5226 compute_fringe_widths (f
, 1);
5228 /* Compute the scroll bar width in character columns. */
5229 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5231 int wid
= FRAME_COLUMN_WIDTH (f
);
5232 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5233 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5237 int wid
= FRAME_COLUMN_WIDTH (f
);
5238 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5241 /* Now make the frame display the given font. */
5242 if (FRAME_X_WINDOW (f
) != 0)
5244 /* Don't change the size of a tip frame; there's no point in
5245 doing it because it's done in Fx_show_tip, and it leads to
5246 problems because the tip frame has no widget. */
5247 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5248 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5253 && (FRAME_XIC_STYLE (f
) & (XIMPreeditPosition
| XIMStatusArea
)))
5254 xic_set_xfontset (f
, SDATA (fontset_ascii (fontset
)));
5259 return fontset_name (fontset
);
5263 /***********************************************************************
5264 TODO: W32 Input Methods
5265 ***********************************************************************/
5266 /* Listing missing functions from xterm.c helps diff stay in step.
5268 xim_destroy_callback (xim, client_data, call_data)
5269 xim_open_dpy (dpyinfo, resource_name)
5271 xim_instantiate_callback (display, client_data, call_data)
5272 xim_initialize (dpyinfo, resource_name)
5273 xim_close_dpy (dpyinfo)
5278 /* Calculate the absolute position in frame F
5279 from its current recorded position values and gravity. */
5282 x_calc_absolute_position (f
)
5285 int flags
= f
->size_hint_flags
;
5287 /* The sum of the widths of the frame's left and right borders, and
5288 the sum of the heights of the frame's top and bottom borders (in
5289 pixels) drawn by Windows. */
5290 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5292 /* Try to get the actual values of these two variables. We compute
5293 the border width (height) by subtracting the width (height) of
5294 the frame's client area from the width (height) of the frame's
5296 WINDOWPLACEMENT wp
= { 0 };
5297 RECT client_rect
= { 0 };
5299 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5300 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5302 left_right_borders_width
=
5303 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5304 (client_rect
.right
- client_rect
.left
);
5306 top_bottom_borders_height
=
5307 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5308 (client_rect
.bottom
- client_rect
.top
);
5312 /* Use sensible default values. */
5313 left_right_borders_width
= 8;
5314 top_bottom_borders_height
= 32;
5317 /* Treat negative positions as relative to the rightmost bottommost
5318 position that fits on the screen. */
5319 if (flags
& XNegative
)
5320 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5321 - FRAME_PIXEL_WIDTH (f
)
5323 - (left_right_borders_width
- 1));
5325 if (flags
& YNegative
)
5326 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5327 - FRAME_PIXEL_HEIGHT (f
)
5329 - (top_bottom_borders_height
- 1));
5331 /* The left_pos and top_pos are now relative to the top and left
5332 screen edges, so the flags should correspond. */
5333 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5336 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5337 to really change the position, and 0 when calling from
5338 x_make_frame_visible (in that case, XOFF and YOFF are the current
5339 position values). It is -1 when calling from x_set_frame_parameters,
5340 which means, do adjust for borders but don't change the gravity. */
5343 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5345 register int xoff
, yoff
;
5348 int modified_top
, modified_left
;
5350 if (change_gravity
> 0)
5354 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5356 f
->size_hint_flags
|= XNegative
;
5358 f
->size_hint_flags
|= YNegative
;
5359 f
->win_gravity
= NorthWestGravity
;
5361 x_calc_absolute_position (f
);
5364 x_wm_set_size_hint (f
, (long) 0, 0);
5366 modified_left
= f
->left_pos
;
5367 modified_top
= f
->top_pos
;
5369 my_set_window_pos (FRAME_W32_WINDOW (f
),
5371 modified_left
, modified_top
,
5373 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5378 /* Check if we need to resize the frame due to a fullscreen request.
5379 If so needed, resize the frame. */
5381 x_check_fullscreen (f
)
5384 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5386 int width
, height
, ign
;
5388 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5390 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5392 /* We do not need to move the window, it shall be taken care of
5393 when setting WM manager hints. */
5394 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5396 change_frame_size (f
, height
, width
, 0, 1, 0);
5397 SET_FRAME_GARBAGED (f
);
5398 cancel_mouse_face (f
);
5400 /* Wait for the change of frame size to occur */
5401 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5406 /* Call this to change the size of frame F's x-window.
5407 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5408 for this size change and subsequent size changes.
5409 Otherwise we leave the window gravity unchanged. */
5412 x_set_window_size (f
, change_gravity
, cols
, rows
)
5417 int pixelwidth
, pixelheight
;
5421 check_frame_size (f
, &rows
, &cols
);
5422 f
->scroll_bar_actual_width
5423 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5425 compute_fringe_widths (f
, 0);
5427 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5428 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5430 f
->win_gravity
= NorthWestGravity
;
5431 x_wm_set_size_hint (f
, (long) 0, 0);
5436 rect
.left
= rect
.top
= 0;
5437 rect
.right
= pixelwidth
;
5438 rect
.bottom
= pixelheight
;
5440 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5441 FRAME_EXTERNAL_MENU_BAR (f
));
5443 my_set_window_pos (FRAME_W32_WINDOW (f
),
5446 rect
.right
- rect
.left
,
5447 rect
.bottom
- rect
.top
,
5448 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5452 /* The following mirrors what is done in xterm.c. It appears to be
5453 for informing lisp of the new size immediately, while the actual
5454 resize will happen asynchronously. But on Windows, the menu bar
5455 automatically wraps when the frame is too narrow to contain it,
5456 and that causes any calculations made here to come out wrong. The
5457 end is some nasty buggy behavior, including the potential loss
5460 Disabling this code is either not sufficient to fix the problems
5461 completely, or it causes fresh problems, but at least it removes
5462 the most problematic symptom of the minibuffer becoming unusable.
5464 -----------------------------------------------------------------
5466 Now, strictly speaking, we can't be sure that this is accurate,
5467 but the window manager will get around to dealing with the size
5468 change request eventually, and we'll hear how it went when the
5469 ConfigureNotify event gets here.
5471 We could just not bother storing any of this information here,
5472 and let the ConfigureNotify event set everything up, but that
5473 might be kind of confusing to the Lisp code, since size changes
5474 wouldn't be reported in the frame parameters until some random
5475 point in the future when the ConfigureNotify event arrives.
5477 We pass 1 for DELAY since we can't run Lisp code inside of
5479 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5480 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5481 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5483 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5484 receive in the ConfigureNotify event; if we get what we asked
5485 for, then the event won't cause the screen to become garbaged, so
5486 we have to make sure to do it here. */
5487 SET_FRAME_GARBAGED (f
);
5489 /* If cursor was outside the new size, mark it as off. */
5490 mark_window_cursors_off (XWINDOW (f
->root_window
));
5492 /* Clear out any recollection of where the mouse highlighting was,
5493 since it might be in a place that's outside the new frame size.
5494 Actually checking whether it is outside is a pain in the neck,
5495 so don't try--just let the highlighting be done afresh with new size. */
5496 cancel_mouse_face (f
);
5502 /* Mouse warping. */
5504 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5507 x_set_mouse_position (f
, x
, y
)
5513 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5514 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5516 if (pix_x
< 0) pix_x
= 0;
5517 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5519 if (pix_y
< 0) pix_y
= 0;
5520 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5522 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5526 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5535 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5536 pt
.x
= rect
.left
+ pix_x
;
5537 pt
.y
= rect
.top
+ pix_y
;
5538 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5540 SetCursorPos (pt
.x
, pt
.y
);
5546 /* focus shifting, raising and lowering. */
5549 x_focus_on_frame (f
)
5552 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5554 /* Give input focus to frame. */
5557 /* Try not to change its Z-order if possible. */
5558 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5559 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5562 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5572 /* Raise frame F. */
5579 /* Strictly speaking, raise-frame should only change the frame's Z
5580 order, leaving input focus unchanged. This is reasonable behavior
5581 on X where the usual policy is point-to-focus. However, this
5582 behavior would be very odd on Windows where the usual policy is
5585 On X, if the mouse happens to be over the raised frame, it gets
5586 input focus anyway (so the window with focus will never be
5587 completely obscured) - if not, then just moving the mouse over it
5588 is sufficient to give it focus. On Windows, the user must actually
5589 click on the frame (preferrably the title bar so as not to move
5590 point), which is more awkward. Also, no other Windows program
5591 raises a window to the top but leaves another window (possibly now
5592 completely obscured) with input focus.
5594 Because there is a system setting on Windows that allows the user
5595 to choose the point to focus policy, we make the strict semantics
5596 optional, but by default we grab focus when raising. */
5598 if (NILP (Vw32_grab_focus_on_raise
))
5600 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5601 not already the foreground application: the frame is raised
5602 above all other frames belonging to us, but not above the
5603 current top window. To achieve that, we have to resort to this
5604 more cumbersome method. */
5606 HDWP handle
= BeginDeferWindowPos (2);
5609 DeferWindowPos (handle
,
5610 FRAME_W32_WINDOW (f
),
5613 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5615 DeferWindowPos (handle
,
5616 GetForegroundWindow (),
5617 FRAME_W32_WINDOW (f
),
5619 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5621 EndDeferWindowPos (handle
);
5626 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5632 /* Lower frame F. */
5638 my_set_window_pos (FRAME_W32_WINDOW (f
),
5641 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5646 w32_frame_raise_lower (f
, raise_flag
)
5650 if (! FRAME_W32_P (f
))
5659 /* Change of visibility. */
5661 /* This tries to wait until the frame is really visible.
5662 However, if the window manager asks the user where to position
5663 the frame, this will return before the user finishes doing that.
5664 The frame will not actually be visible at that time,
5665 but it will become visible later when the window manager
5666 finishes with it. */
5669 x_make_frame_visible (f
)
5676 type
= x_icon_type (f
);
5678 x_bitmap_icon (f
, type
);
5680 if (! FRAME_VISIBLE_P (f
))
5682 /* We test FRAME_GARBAGED_P here to make sure we don't
5683 call x_set_offset a second time
5684 if we get to x_make_frame_visible a second time
5685 before the window gets really visible. */
5686 if (! FRAME_ICONIFIED_P (f
)
5687 && ! f
->output_data
.w32
->asked_for_visible
)
5692 /* Adjust vertical window position in order to avoid being
5693 covered by a task bar placed at the bottom of the desktop. */
5694 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5695 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5696 if (window_rect
.bottom
> workarea_rect
.bottom
5697 && window_rect
.top
> workarea_rect
.top
)
5698 f
->top_pos
= max (window_rect
.top
5699 - window_rect
.bottom
+ workarea_rect
.bottom
,
5702 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5705 f
->output_data
.w32
->asked_for_visible
= 1;
5707 /* The first of these seems to give more expected behavior, but
5708 was added as a commented out line in Sept 1997, with the
5709 second version remaining uncommented. There may have been
5710 some problem with it that led to it not being enabled,
5711 so the old version remains commented out below in case we
5712 decide we need to go back to it [23.0.60 2008-06-09]. */
5713 my_show_window (f
, FRAME_W32_WINDOW (f
),
5714 f
->async_iconified
? SW_RESTORE
: SW_SHOW
);
5715 /* my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); */
5718 /* Synchronize to ensure Emacs knows the frame is visible
5719 before we do anything else. We do this loop with input not blocked
5720 so that incoming events are handled. */
5725 /* This must come after we set COUNT. */
5728 XSETFRAME (frame
, f
);
5730 /* Wait until the frame is visible. Process X events until a
5731 MapNotify event has been seen, or until we think we won't get a
5732 MapNotify at all.. */
5733 for (count
= input_signal_count
+ 10;
5734 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5736 /* Force processing of queued events. */
5737 /* TODO: x_sync equivalent? */
5739 /* Machines that do polling rather than SIGIO have been observed
5740 to go into a busy-wait here. So we'll fake an alarm signal
5741 to let the handler know that there's something to be read.
5742 We used to raise a real alarm, but it seems that the handler
5743 isn't always enabled here. This is probably a bug. */
5744 if (input_polling_used ())
5746 /* It could be confusing if a real alarm arrives while processing
5747 the fake one. Turn it off and let the handler reset it. */
5748 int old_poll_suppress_count
= poll_suppress_count
;
5749 poll_suppress_count
= 1;
5750 poll_for_input_1 ();
5751 poll_suppress_count
= old_poll_suppress_count
;
5754 FRAME_SAMPLE_VISIBILITY (f
);
5758 /* Change from mapped state to withdrawn state. */
5760 /* Make the frame visible (mapped and not iconified). */
5762 x_make_frame_invisible (f
)
5765 /* Don't keep the highlight on an invisible frame. */
5766 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5767 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5771 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5773 /* We can't distinguish this from iconification
5774 just by the event that we get from the server.
5775 So we can't win using the usual strategy of letting
5776 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5777 and synchronize with the server to make sure we agree. */
5779 FRAME_ICONIFIED_P (f
) = 0;
5780 f
->async_visible
= 0;
5781 f
->async_iconified
= 0;
5786 /* Change window state from mapped to iconified. */
5794 /* Don't keep the highlight on an invisible frame. */
5795 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5796 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5798 if (f
->async_iconified
)
5803 type
= x_icon_type (f
);
5805 x_bitmap_icon (f
, type
);
5807 /* Simulate the user minimizing the frame. */
5808 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5814 /* Free X resources of frame F. */
5817 x_free_frame_resources (f
)
5820 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5824 /* We must free faces before destroying windows because some
5825 font-driver (e.g. xft) access a window while finishing a
5827 if (FRAME_FACE_CACHE (f
))
5828 free_frame_faces (f
);
5830 if (FRAME_W32_WINDOW (f
))
5831 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5833 free_frame_menubar (f
);
5835 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5836 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5837 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5838 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5839 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5840 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5841 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5842 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5843 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5844 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5846 if (FRAME_FACE_CACHE (f
))
5847 free_frame_faces (f
);
5849 xfree (f
->output_data
.w32
);
5850 f
->output_data
.w32
= NULL
;
5852 if (f
== dpyinfo
->w32_focus_frame
)
5853 dpyinfo
->w32_focus_frame
= 0;
5854 if (f
== dpyinfo
->w32_focus_event_frame
)
5855 dpyinfo
->w32_focus_event_frame
= 0;
5856 if (f
== dpyinfo
->x_highlight_frame
)
5857 dpyinfo
->x_highlight_frame
= 0;
5859 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5861 dpyinfo
->mouse_face_beg_row
5862 = dpyinfo
->mouse_face_beg_col
= -1;
5863 dpyinfo
->mouse_face_end_row
5864 = dpyinfo
->mouse_face_end_col
= -1;
5865 dpyinfo
->mouse_face_window
= Qnil
;
5866 dpyinfo
->mouse_face_deferred_gc
= 0;
5867 dpyinfo
->mouse_face_mouse_frame
= 0;
5874 /* Destroy the window of frame F. */
5876 x_destroy_window (f
)
5879 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5881 x_free_frame_resources (f
);
5882 dpyinfo
->reference_count
--;
5886 /* Setting window manager hints. */
5888 /* Set the normal size hints for the window manager, for frame F.
5889 FLAGS is the flags word to use--or 0 meaning preserve the flags
5890 that the window now has.
5891 If USER_POSITION is nonzero, we set the USPosition
5892 flag (this is useful when FLAGS is 0). */
5894 x_wm_set_size_hint (f
, flags
, user_position
)
5899 Window window
= FRAME_W32_WINDOW (f
);
5903 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5904 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5905 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5906 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5911 /* Window manager things */
5913 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5918 Window window
= FRAME_W32_WINDOW (f
);
5920 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5921 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5922 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5924 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5929 /***********************************************************************
5931 ***********************************************************************/
5933 static int w32_initialized
= 0;
5936 w32_initialize_display_info (display_name
)
5937 Lisp_Object display_name
;
5939 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5941 bzero (dpyinfo
, sizeof (*dpyinfo
));
5943 /* Put it on w32_display_name_list. */
5944 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5945 w32_display_name_list
);
5946 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
5948 dpyinfo
->w32_id_name
5949 = (char *) xmalloc (SCHARS (Vinvocation_name
)
5950 + SCHARS (Vsystem_name
)
5952 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
5953 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
5955 /* Default Console mode values - overridden when running in GUI mode
5956 with values obtained from system metrics. */
5959 dpyinfo
->height_in
= 1;
5960 dpyinfo
->width_in
= 1;
5961 dpyinfo
->n_planes
= 1;
5962 dpyinfo
->n_cbits
= 4;
5963 dpyinfo
->n_fonts
= 0;
5964 dpyinfo
->smallest_font_height
= 1;
5965 dpyinfo
->smallest_char_width
= 1;
5967 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
5968 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
5969 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
5970 dpyinfo
->mouse_face_window
= Qnil
;
5971 dpyinfo
->mouse_face_overlay
= Qnil
;
5972 dpyinfo
->mouse_face_hidden
= 0;
5974 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
5975 /* TODO: dpyinfo->gray */
5979 /* Create an xrdb-style database of resources to supercede registry settings.
5980 The database is just a concatenation of C strings, finished by an additional
5981 \0. The strings are submitted to some basic normalization, so
5983 [ *]option[ *]:[ *]value...
5989 but any whitespace following value is not removed. */
5992 w32_make_rdb (xrm_option
)
5995 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
5996 char *current
= buffer
;
5999 int before_value
= 0;
6013 if (in_option
&& (ch
== ':'))
6018 else if (before_value
)
6023 else if (!(in_option
|| before_value
))
6035 x_flush (struct frame
* f
)
6036 { /* Nothing to do */ }
6039 extern frame_parm_handler w32_frame_parm_handlers
[];
6041 static struct redisplay_interface w32_redisplay_interface
=
6043 w32_frame_parm_handlers
,
6047 x_clear_end_of_line
,
6049 x_after_update_window_line
,
6050 x_update_window_begin
,
6051 x_update_window_end
,
6054 0, /* flush_display_optional */
6055 x_clear_window_mouse_face
,
6056 x_get_glyph_overhangs
,
6057 x_fix_overlapping_area
,
6058 w32_draw_fringe_bitmap
,
6059 w32_define_fringe_bitmap
,
6060 w32_destroy_fringe_bitmap
,
6061 w32_compute_glyph_string_overhangs
,
6062 x_draw_glyph_string
,
6063 w32_define_frame_cursor
,
6064 w32_clear_frame_area
,
6065 w32_draw_window_cursor
,
6066 w32_draw_vertical_window_border
,
6067 w32_shift_glyphs_for_insert
6070 static void x_delete_terminal (struct terminal
*term
);
6072 static struct terminal
*
6073 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6075 struct terminal
*terminal
;
6077 terminal
= create_terminal ();
6079 terminal
->type
= output_w32
;
6080 terminal
->display_info
.w32
= dpyinfo
;
6081 dpyinfo
->terminal
= terminal
;
6083 /* MSVC does not type K&R functions with no arguments correctly, and
6084 so we must explicitly cast them. */
6085 terminal
->clear_frame_hook
= x_clear_frame
;
6086 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6087 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6088 terminal
->ring_bell_hook
= w32_ring_bell
;
6089 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6090 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6091 terminal
->update_begin_hook
= x_update_begin
;
6092 terminal
->update_end_hook
= x_update_end
;
6093 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6094 terminal
->read_socket_hook
= w32_read_socket
;
6095 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6096 terminal
->mouse_position_hook
= w32_mouse_position
;
6097 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6098 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6099 // terminal->fullscreen_hook = XTfullscreen_hook;
6100 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6101 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6102 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6103 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6105 terminal
->delete_frame_hook
= x_destroy_window
;
6106 terminal
->delete_terminal_hook
= x_delete_terminal
;
6108 terminal
->rif
= &w32_redisplay_interface
;
6109 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6110 terminal
->char_ins_del_ok
= 1;
6111 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6112 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6113 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6117 /* We don't yet support separate terminals on W32, so don't try to share
6118 keyboards between virtual terminals that are on the same physical
6119 terminal like X does. */
6120 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6121 init_kboard (terminal
->kboard
);
6122 terminal
->kboard
->Vwindow_system
= intern ("w32");
6123 terminal
->kboard
->next_kboard
= all_kboards
;
6124 all_kboards
= terminal
->kboard
;
6125 /* Don't let the initial kboard remain current longer than necessary.
6126 That would cause problems if a file loaded on startup tries to
6127 prompt in the mini-buffer. */
6128 if (current_kboard
== initial_kboard
)
6129 current_kboard
= terminal
->kboard
;
6130 terminal
->kboard
->reference_count
++;
6137 x_delete_terminal (struct terminal
*terminal
)
6139 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6142 /* Protect against recursive calls. Fdelete_frame in
6143 delete_terminal calls us back when it deletes our last frame. */
6144 if (!terminal
->name
)
6149 x_delete_display (dpyinfo
);
6153 struct w32_display_info
*
6154 w32_term_init (display_name
, xrm_option
, resource_name
)
6155 Lisp_Object display_name
;
6157 char *resource_name
;
6159 struct w32_display_info
*dpyinfo
;
6160 struct terminal
*terminal
;
6165 if (!w32_initialized
)
6168 w32_initialized
= 1;
6171 w32_initialize_display_info (display_name
);
6173 dpyinfo
= &one_w32_display_info
;
6174 terminal
= w32_create_terminal (dpyinfo
);
6176 /* Set the name of the terminal. */
6177 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6178 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6179 terminal
->name
[SBYTES (display_name
)] = 0;
6181 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6183 /* Put this display on the chain. */
6184 dpyinfo
->next
= x_display_list
;
6185 x_display_list
= dpyinfo
;
6187 hdc
= GetDC (GetDesktopWindow ());
6189 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6190 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6191 dpyinfo
->root_window
= GetDesktopWindow ();
6192 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6193 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6194 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6195 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6196 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6197 dpyinfo
->terminal
->image_cache
= make_image_cache ();
6198 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6199 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6200 ReleaseDC (GetDesktopWindow (), hdc
);
6202 /* initialise palette with white and black */
6205 w32_defined_color (0, "white", &color
, 1);
6206 w32_defined_color (0, "black", &color
, 1);
6209 /* Add the default keyboard. */
6210 add_keyboard_wait_descriptor (0);
6212 /* Create Fringe Bitmaps and store them for later use.
6214 On W32, bitmaps are all unsigned short, as Windows requires
6215 bitmap data to be Word aligned. For some reason they are
6216 horizontally reflected compared to how they appear on X, so we
6217 need to bitswap and convert to unsigned shorts before creating
6219 w32_init_fringe (terminal
->rif
);
6222 fcntl (connection
, F_SETOWN
, getpid ());
6223 #endif /* ! defined (F_SETOWN) */
6226 if (interrupt_input
)
6227 init_sigio (connection
);
6228 #endif /* ! defined (SIGIO) */
6235 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6237 x_delete_display (dpyinfo
)
6238 struct w32_display_info
*dpyinfo
;
6240 /* Discard this display from w32_display_name_list and w32_display_list.
6241 We can't use Fdelq because that can quit. */
6242 if (! NILP (w32_display_name_list
)
6243 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6244 w32_display_name_list
= XCDR (w32_display_name_list
);
6249 tail
= w32_display_name_list
;
6250 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6252 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6254 XSETCDR (tail
, XCDR (XCDR (tail
)));
6261 /* free palette table */
6263 struct w32_palette_entry
* plist
;
6265 plist
= dpyinfo
->color_list
;
6268 struct w32_palette_entry
* pentry
= plist
;
6269 plist
= plist
->next
;
6272 dpyinfo
->color_list
= NULL
;
6273 if (dpyinfo
->palette
)
6274 DeleteObject(dpyinfo
->palette
);
6276 xfree (dpyinfo
->w32_id_name
);
6278 w32_reset_fringes ();
6281 /* Set up use of W32. */
6283 DWORD WINAPI
w32_msg_worker (void * arg
);
6290 w32_system_caret_hwnd
= NULL
;
6291 w32_system_caret_height
= 0;
6292 w32_system_caret_x
= 0;
6293 w32_system_caret_y
= 0;
6295 /* Initialize w32_use_visible_system_caret based on whether a screen
6296 reader is in use. */
6297 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6298 &w32_use_visible_system_caret
, 0))
6299 w32_use_visible_system_caret
= 0;
6301 last_tool_bar_item
= -1;
6302 any_help_event_p
= 0;
6304 /* Initialize input mode: interrupt_input off, no flow control, allow
6305 8 bit character input, standard quit char. */
6306 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6308 /* Create the window thread - it will terminate itself or when the app terminates */
6312 dwMainThreadId
= GetCurrentThreadId ();
6313 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6314 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6316 /* Wait for thread to start */
6321 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6323 hWindowsThread
= CreateThread (NULL
, 0,
6325 0, 0, &dwWindowsThreadId
);
6327 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6330 /* It is desirable that mainThread should have the same notion of
6331 focus window and active window as windowsThread. Unfortunately, the
6332 following call to AttachThreadInput, which should do precisely what
6333 we need, causes major problems when Emacs is linked as a console
6334 program. Unfortunately, we have good reasons for doing that, so
6335 instead we need to send messages to windowsThread to make some API
6336 calls for us (ones that affect, or depend on, the active/focus
6338 #ifdef ATTACH_THREADS
6339 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6342 /* Dynamically link to optional system components. */
6344 UINT smoothing_type
;
6345 BOOL smoothing_enabled
;
6347 HANDLE user_lib
= LoadLibrary ("user32.dll");
6349 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6351 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6355 FreeLibrary (user_lib
);
6357 /* Ensure scrollbar handle is at least 5 pixels. */
6358 vertical_scroll_bar_min_handle
= 5;
6360 /* For either kind of scroll bar, take account of the arrows; these
6361 effectively form the border of the main scroll bar range. */
6362 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6363 = GetSystemMetrics (SM_CYVSCROLL
);
6365 /* Constants that are not always defined by the system headers
6366 since they only exist on certain versions of Windows. */
6367 #ifndef SPI_GETFONTSMOOTHING
6368 #define SPI_GETFONTSMOOTHING 0x4A
6370 #ifndef SPI_GETFONTSMOOTHINGTYPE
6371 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6373 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6374 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6377 /* Determine if Cleartype is in use. Used to enable a hack in
6378 the char metric calculations which adds extra pixels to
6379 compensate for the "sub-pixels" that are not counted by the
6382 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6383 && smoothing_enabled
6384 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6385 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6392 staticpro (&w32_display_name_list
);
6393 w32_display_name_list
= Qnil
;
6395 staticpro (&last_mouse_scroll_bar
);
6396 last_mouse_scroll_bar
= Qnil
;
6398 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6400 DEFVAR_INT ("w32-num-mouse-buttons",
6401 &w32_num_mouse_buttons
,
6402 doc
: /* Number of physical mouse buttons. */);
6403 w32_num_mouse_buttons
= 2;
6405 DEFVAR_LISP ("w32-swap-mouse-buttons",
6406 &Vw32_swap_mouse_buttons
,
6407 doc
: /* Swap the mapping of middle and right mouse buttons.
6408 When nil, middle button is mouse-2 and right button is mouse-3. */);
6409 Vw32_swap_mouse_buttons
= Qnil
;
6411 DEFVAR_LISP ("w32-grab-focus-on-raise",
6412 &Vw32_grab_focus_on_raise
,
6413 doc
: /* Raised frame grabs input focus.
6414 When t, `raise-frame' grabs input focus as well. This fits well
6415 with the normal Windows click-to-focus policy, but might not be
6416 desirable when using a point-to-focus policy. */);
6417 Vw32_grab_focus_on_raise
= Qt
;
6419 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6420 &Vw32_capslock_is_shiftlock
,
6421 doc
: /* Apply CapsLock state to non character input keys.
6422 When nil, CapsLock only affects normal character input keys. */);
6423 Vw32_capslock_is_shiftlock
= Qnil
;
6425 DEFVAR_LISP ("w32-recognize-altgr",
6426 &Vw32_recognize_altgr
,
6427 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6428 When nil, the right-alt and left-ctrl key combination is
6429 interpreted normally. */);
6430 Vw32_recognize_altgr
= Qt
;
6432 DEFVAR_BOOL ("w32-enable-unicode-output",
6433 &w32_enable_unicode_output
,
6434 doc
: /* Enable the use of Unicode for text output if non-nil.
6435 Unicode output may prevent some third party applications for displaying
6436 Far-East Languages on Windows 95/98 from working properly.
6437 NT uses Unicode internally anyway, so this flag will probably have no
6438 effect on NT machines. */);
6439 w32_enable_unicode_output
= 1;
6441 DEFVAR_BOOL ("w32-use-visible-system-caret",
6442 &w32_use_visible_system_caret
,
6443 doc
: /* Flag to make the system caret visible.
6444 When this is non-nil, Emacs will indicate the position of point by
6445 using the system caret instead of drawing its own cursor. Some screen
6446 reader software does not track the system cursor properly when it is
6447 invisible, and gets confused by Emacs drawing its own cursor, so this
6448 variable is initialized to t when Emacs detects that screen reader
6449 software is running as it starts up.
6451 When this variable is set, other variables affecting the appearance of
6452 the cursor have no effect. */);
6454 w32_use_visible_system_caret
= 0;
6456 /* We don't yet support this, but defining this here avoids whining
6457 from cus-start.el and other places, like "M-x set-variable". */
6458 DEFVAR_BOOL ("x-use-underline-position-properties",
6459 &x_use_underline_position_properties
,
6460 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6461 A value of nil means ignore them. If you encounter fonts with bogus
6462 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6463 to 4.1, set this to nil.
6465 NOTE: Not supported on MS-Windows yet. */);
6466 x_use_underline_position_properties
= 0;
6468 DEFVAR_BOOL ("x-underline-at-descent-line",
6469 &x_underline_at_descent_line
,
6470 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6471 A value of nil means to draw the underline according to the value of the
6472 variable `x-use-underline-position-properties', which is usually at the
6473 baseline level. The default value is nil. */);
6474 x_underline_at_descent_line
= 0;
6476 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6477 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6478 Vx_toolkit_scroll_bars
= Qt
;
6480 staticpro (&last_mouse_motion_frame
);
6481 last_mouse_motion_frame
= Qnil
;
6484 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6485 (do not change this comment) */