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
148 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
149 later targets by MSVC headers. */
150 #ifndef WS_EX_LAYERED
151 #define WS_EX_LAYERED 0x80000
154 /* Frame being updated by update_frame. This is declared in term.c.
155 This is set by update_begin and looked at by all the
156 w32 functions. It is zero while not inside an update.
157 In that case, the w32 functions assume that `SELECTED_FRAME ()'
158 is the frame to apply to. */
159 extern struct frame
*updating_frame
;
161 /* This is a frame waiting to be autoraised, within w32_read_socket. */
162 struct frame
*pending_autoraise_frame
;
164 /* The handle of the frame that currently owns the system caret. */
165 HWND w32_system_caret_hwnd
;
166 int w32_system_caret_height
;
167 int w32_system_caret_x
;
168 int w32_system_caret_y
;
169 int w32_use_visible_system_caret
;
171 /* Flag to enable Unicode output in case users wish to use programs
172 like Twinbridge on '95 rather than installed system level support
173 for Far East languages. */
174 int w32_enable_unicode_output
;
176 /* Flag to enable Cleartype hack for font metrics. */
177 static int cleartype_active
;
179 DWORD dwWindowsThreadId
= 0;
180 HANDLE hWindowsThread
= NULL
;
181 DWORD dwMainThreadId
= 0;
182 HANDLE hMainThread
= NULL
;
184 int vertical_scroll_bar_min_handle
;
185 int vertical_scroll_bar_top_border
;
186 int vertical_scroll_bar_bottom_border
;
188 int last_scroll_bar_drag_pos
;
190 /* Mouse movement. */
192 /* Where the mouse was last time we reported a mouse event. */
194 static RECT last_mouse_glyph
;
195 static FRAME_PTR last_mouse_glyph_frame
;
196 static Lisp_Object last_mouse_press_frame
;
198 int w32_num_mouse_buttons
;
200 Lisp_Object Vw32_swap_mouse_buttons
;
202 /* Control whether x_raise_frame also sets input focus. */
203 Lisp_Object Vw32_grab_focus_on_raise
;
205 /* Control whether Caps Lock affects non-ascii characters. */
206 Lisp_Object Vw32_capslock_is_shiftlock
;
208 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
209 Lisp_Object Vw32_recognize_altgr
;
211 /* The scroll bar in which the last motion event occurred.
213 If the last motion event occurred in a scroll bar, we set this
214 so w32_mouse_position can know whether to report a scroll bar motion or
217 If the last motion event didn't occur in a scroll bar, we set this
218 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
219 static Lisp_Object last_mouse_scroll_bar
;
220 static int last_mouse_scroll_bar_pos
;
222 /* This is a hack. We would really prefer that w32_mouse_position would
223 return the time associated with the position it returns, but there
224 doesn't seem to be any way to wrest the time-stamp from the server
225 along with the position query. So, we just keep track of the time
226 of the last movement we received, and return that in hopes that
227 it's somewhat accurate. */
229 static Time last_mouse_movement_time
;
231 /* Incremented by w32_read_socket whenever it really tries to read
235 static int volatile input_signal_count
;
237 static int input_signal_count
;
240 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
246 /* A mask of extra modifier bits to put into every keyboard char. */
248 extern EMACS_INT extra_keyboard_modifiers
;
250 static void x_update_window_end
P_ ((struct window
*, int, int));
251 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
252 struct input_event
*));
253 static void w32_define_cursor
P_ ((Window
, Cursor
));
255 void x_lower_frame
P_ ((struct frame
*));
256 void x_scroll_bar_clear
P_ ((struct frame
*));
257 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
258 void x_raise_frame
P_ ((struct frame
*));
259 void x_set_window_size
P_ ((struct frame
*, int, int, int));
260 void x_wm_set_window_state
P_ ((struct frame
*, int));
261 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
262 static void w32_initialize
P_ ((void));
263 static void x_update_end
P_ ((struct frame
*));
264 static void w32_frame_up_to_date
P_ ((struct frame
*));
265 static void w32_set_terminal_modes
P_ ((struct terminal
*));
266 static void w32_reset_terminal_modes
P_ ((struct terminal
*));
267 static void x_clear_frame
P_ ((struct frame
*));
268 static void frame_highlight
P_ ((struct frame
*));
269 static void frame_unhighlight
P_ ((struct frame
*));
270 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
272 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
273 struct frame
*, struct input_event
*));
274 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
275 W32Msg
*, struct input_event
*));
276 static void w32_frame_rehighlight
P_ ((struct frame
*));
277 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
278 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
279 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
280 enum text_cursor_kinds
));
281 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
282 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
283 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
284 static void my_set_focus
P_ ((struct frame
*, HWND
));
285 static void my_set_foreground_window
P_ ((HWND
));
286 static void my_destroy_window
P_ ((struct frame
*, HWND
));
288 static Lisp_Object Qvendor_specific_keysyms
;
291 /***********************************************************************
293 ***********************************************************************/
297 /* This is a function useful for recording debugging information about
298 the sequence of occurrences in this file. */
306 struct record event_record
[100];
308 int event_record_index
;
310 record_event (locus
, type
)
314 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
315 event_record_index
= 0;
317 event_record
[event_record_index
].locus
= locus
;
318 event_record
[event_record_index
].type
= type
;
319 event_record_index
++;
326 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
329 if (mask
& GCForeground
)
330 gc
->foreground
= xgcv
->foreground
;
331 if (mask
& GCBackground
)
332 gc
->background
= xgcv
->background
;
334 gc
->font
= xgcv
->font
;
337 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
340 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
341 bzero (gc
, sizeof (XGCValues
));
343 XChangeGC (ignore
, gc
, mask
, xgcv
);
349 XGetGCValues (void* ignore
, XGCValues
*gc
,
350 unsigned long mask
, XGCValues
*xgcv
)
352 XChangeGC (ignore
, xgcv
, mask
, gc
);
356 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
360 HRGN clip_region
= CreateRectRgnIndirect (rect
);
361 SelectClipRgn (hdc
, clip_region
);
362 DeleteObject (clip_region
);
365 SelectClipRgn (hdc
, NULL
);
369 /* Draw a hollow rectangle at the specified position. */
371 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
372 int width
, int height
)
377 hb
= CreateSolidBrush (gc
->background
);
378 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
379 oldhb
= SelectObject (hdc
, hb
);
380 oldhp
= SelectObject (hdc
, hp
);
382 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
384 SelectObject (hdc
, oldhb
);
385 SelectObject (hdc
, oldhp
);
390 /* Draw a filled rectangle at the specified position. */
392 w32_fill_rect (f
, hdc
, pix
, lprect
)
400 hb
= CreateSolidBrush (pix
);
401 FillRect (hdc
, lprect
, hb
);
410 HDC hdc
= get_frame_dc (f
);
412 /* Under certain conditions, this can be called at startup with
413 a console frame pointer before the GUI frame is created. An HDC
414 of 0 indicates this. */
417 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
418 w32_clear_rect (f
, hdc
, &rect
);
421 release_frame_dc (f
, hdc
);
424 #define OPAQUE_FRAME 255
427 x_set_frame_alpha (f
)
430 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
432 double alpha_min
= 1.0;
435 HWND window
= FRAME_W32_WINDOW (f
);
437 /* Older versions of Windows do not support transparency. */
438 if (!pfnSetLayeredWindowAttributes
)
441 if (dpyinfo
->x_highlight_frame
== f
)
446 if (FLOATP (Vframe_alpha_lower_limit
))
447 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
448 else if (INTEGERP (Vframe_alpha_lower_limit
))
449 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
451 if (alpha
< 0.0 || 1.0 < alpha
)
453 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
456 opac
= alpha
* OPAQUE_FRAME
;
458 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
460 if (opac
== OPAQUE_FRAME
)
461 ex_style
&= ~WS_EX_LAYERED
;
463 ex_style
|= WS_EX_LAYERED
;
465 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
467 if (opac
!= OPAQUE_FRAME
)
468 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
472 /***********************************************************************
473 Starting and ending an update
474 ***********************************************************************/
476 /* Start an update of frame F. This function is installed as a hook
477 for update_begin, i.e. it is called when update_begin is called.
478 This function is called prior to calls to x_update_window_begin for
479 each window being updated. */
485 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
487 if (! FRAME_W32_P (f
))
490 /* Regenerate display palette before drawing if list of requested
491 colors has changed. */
492 if (display_info
->regen_palette
)
494 w32_regenerate_palette (f
);
495 display_info
->regen_palette
= FALSE
;
500 /* Start update of window W. Set the global variable updated_window
501 to the window being updated and set output_cursor to the cursor
505 x_update_window_begin (w
)
508 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
509 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
511 /* Hide the system caret during an update. */
512 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
514 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
518 set_output_cursor (&w
->cursor
);
522 if (f
== display_info
->mouse_face_mouse_frame
)
524 /* Don't do highlighting for mouse motion during the update. */
525 display_info
->mouse_face_defer
= 1;
527 /* If F needs to be redrawn, simply forget about any prior mouse
529 if (FRAME_GARBAGED_P (f
))
530 display_info
->mouse_face_window
= Qnil
;
532 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
533 their mouse_face_p flag set, which means that they are always
534 unequal to rows in a desired matrix which never have that
535 flag set. So, rows containing mouse-face glyphs are never
536 scrolled, and we don't have to switch the mouse highlight off
537 here to prevent it from being scrolled. */
539 /* Can we tell that this update does not affect the window
540 where the mouse highlight is? If so, no need to turn off.
541 Likewise, don't do anything if the frame is garbaged;
542 in that case, the frame's current matrix that we would use
543 is all wrong, and we will redisplay that line anyway. */
544 if (!NILP (display_info
->mouse_face_window
)
545 && w
== XWINDOW (display_info
->mouse_face_window
))
549 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
550 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
553 if (i
< w
->desired_matrix
->nrows
)
554 clear_mouse_face (display_info
);
562 /* Draw a vertical window border from (x,y0) to (x,y1) */
565 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
569 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
579 hdc
= get_frame_dc (f
);
580 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
582 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
584 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
586 release_frame_dc (f
, hdc
);
590 /* End update of window W (which is equal to updated_window).
592 Draw vertical borders between horizontally adjacent windows, and
593 display W's cursor if CURSOR_ON_P is non-zero.
595 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
596 glyphs in mouse-face were overwritten. In that case we have to
597 make sure that the mouse-highlight is properly redrawn.
599 W may be a menu bar pseudo-window in case we don't have X toolkit
600 support. Such windows don't have a cursor, so don't display it
604 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
606 int cursor_on_p
, mouse_face_overwritten_p
;
608 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
610 if (!w
->pseudo_window_p
)
615 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
617 output_cursor
.x
, output_cursor
.y
);
619 if (draw_window_fringes (w
, 1))
620 x_draw_vertical_border (w
);
625 /* If a row with mouse-face was overwritten, arrange for
626 XTframe_up_to_date to redisplay the mouse highlight. */
627 if (mouse_face_overwritten_p
)
629 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
630 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
631 dpyinfo
->mouse_face_window
= Qnil
;
634 /* Unhide the caret. This won't actually show the cursor, unless it
635 was visible before the corresponding call to HideCaret in
636 x_update_window_begin. */
637 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
639 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
642 updated_window
= NULL
;
646 /* End update of frame F. This function is installed as a hook in
653 if (! FRAME_W32_P (f
))
656 /* Mouse highlight may be displayed again. */
657 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
661 /* This function is called from various places in xdisp.c whenever a
662 complete update has been performed. The global variable
663 updated_window is not available here. */
666 w32_frame_up_to_date (f
)
671 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
673 if (dpyinfo
->mouse_face_deferred_gc
674 || f
== dpyinfo
->mouse_face_mouse_frame
)
677 if (dpyinfo
->mouse_face_mouse_frame
)
678 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
679 dpyinfo
->mouse_face_mouse_x
,
680 dpyinfo
->mouse_face_mouse_y
);
681 dpyinfo
->mouse_face_deferred_gc
= 0;
688 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
689 arrow bitmaps, or clear the fringes if no bitmaps are required
690 before DESIRED_ROW is made current. The window being updated is
691 found in updated_window. This function is called from
692 update_window_line only if it is known that there are differences
693 between bitmaps to be drawn between current row and DESIRED_ROW. */
696 x_after_update_window_line (desired_row
)
697 struct glyph_row
*desired_row
;
699 struct window
*w
= updated_window
;
705 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
706 desired_row
->redraw_fringe_bitmaps_p
= 1;
708 /* When a window has disappeared, make sure that no rest of
709 full-width rows stays visible in the internal border. Could
710 check here if updated_window is the leftmost/rightmost window,
711 but I guess it's not worth doing since vertically split windows
712 are almost never used, internal border is rarely set, and the
713 overhead is very small. */
714 if (windows_or_buffers_changed
715 && desired_row
->full_width_p
716 && (f
= XFRAME (w
->frame
),
717 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
719 && (height
= desired_row
->visible_height
,
722 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
724 /* Internal border is drawn below the tool bar. */
725 if (WINDOWP (f
->tool_bar_window
)
726 && w
== XWINDOW (f
->tool_bar_window
))
731 HDC hdc
= get_frame_dc (f
);
732 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
733 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
735 release_frame_dc (f
, hdc
);
742 /* Draw the bitmap WHICH in one of the left or right fringes of
743 window W. ROW is the glyph row for which to display the bitmap; it
744 determines the vertical position at which the bitmap has to be
748 w32_draw_fringe_bitmap (w
, row
, p
)
750 struct glyph_row
*row
;
751 struct draw_fringe_bitmap_params
*p
;
753 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
755 struct face
*face
= p
->face
;
758 hdc
= get_frame_dc (f
);
762 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
764 /* If the fringe is adjacent to the left (right) scroll bar of a
765 leftmost (rightmost, respectively) window, then extend its
766 background to the gap between the fringe and the bar. */
767 if ((WINDOW_LEFTMOST_P (w
)
768 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
769 || (WINDOW_RIGHTMOST_P (w
)
770 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
772 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
776 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
777 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
778 * FRAME_COLUMN_WIDTH (f
));
782 /* Bitmap fills the fringe. */
783 if (left
+ width
== p
->x
)
784 bx
= left
+ sb_width
;
785 else if (p
->x
+ p
->wd
== left
)
789 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
791 nx
= width
- sb_width
;
792 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
794 ny
= row
->visible_height
;
799 if (left
+ width
== bx
)
801 bx
= left
+ sb_width
;
802 nx
+= width
- sb_width
;
804 else if (bx
+ nx
== left
)
805 nx
+= width
- sb_width
;
810 if (bx
>= 0 && nx
> 0)
811 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
814 /* Must clip because of partially visible lines. */
815 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
818 /* Adjust position of "bottom aligned" bitmap on partially
821 int oldVH
= row
->visible_height
;
822 row
->visible_height
= p
->h
;
823 row
->y
-= rowY
- p
->y
;
824 w32_clip_to_row (w
, row
, -1, hdc
);
826 row
->visible_height
= oldVH
;
829 w32_clip_to_row (w
, row
, -1, hdc
);
831 if (p
->which
&& p
->which
< max_fringe_bmp
)
833 HBITMAP pixmap
= fringe_bmp
[p
->which
];
837 compat_hdc
= CreateCompatibleDC (hdc
);
841 horig_obj
= SelectObject (compat_hdc
, pixmap
);
843 /* Paint overlays transparently. */
846 HBRUSH h_brush
, h_orig_brush
;
848 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
849 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
850 h_brush
= CreateSolidBrush (face
->foreground
);
851 h_orig_brush
= SelectObject (hdc
, h_brush
);
853 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
854 compat_hdc
, 0, p
->dh
,
856 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
857 compat_hdc
, 0, p
->dh
,
859 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
860 compat_hdc
, 0, p
->dh
,
863 SelectObject (hdc
, h_orig_brush
);
864 DeleteObject (h_brush
);
868 SetTextColor (hdc
, face
->background
);
869 SetBkColor (hdc
, (p
->cursor_p
870 ? f
->output_data
.w32
->cursor_pixel
871 : face
->foreground
));
873 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
874 compat_hdc
, 0, p
->dh
,
878 SelectObject (compat_hdc
, horig_obj
);
879 DeleteDC (compat_hdc
);
883 w32_set_clip_rectangle (hdc
, NULL
);
885 release_frame_dc (f
, hdc
);
889 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
891 unsigned short *bits
;
894 if (which
>= max_fringe_bmp
)
896 int i
= max_fringe_bmp
;
897 max_fringe_bmp
= which
+ 20;
898 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
899 while (i
< max_fringe_bmp
)
903 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
907 w32_destroy_fringe_bitmap (which
)
910 if (which
>= max_fringe_bmp
)
913 if (fringe_bmp
[which
])
914 DeleteObject (fringe_bmp
[which
]);
915 fringe_bmp
[which
] = 0;
920 /* This is called when starting Emacs and when restarting after
921 suspend. When starting Emacs, no window is mapped. And nothing
922 must be done to Emacs's own window if it is suspended (though that
926 w32_set_terminal_modes (struct terminal
*term
)
930 /* This is called when exiting or suspending Emacs. Exiting will make
931 the W32 windows go away, and suspending requires no action. */
934 w32_reset_terminal_modes (struct terminal
*term
)
940 /***********************************************************************
942 ***********************************************************************/
944 /* Function prototypes of this page. */
946 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
947 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
948 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
950 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
951 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
952 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
953 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
954 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
955 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
956 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
957 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
958 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
959 double, int, COLORREF
));
960 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
961 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
962 static void x_draw_image_relief
P_ ((struct glyph_string
*));
963 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
964 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
965 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
967 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
968 int, int, int, int, int, int,
970 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
971 int, int, int, RECT
*));
974 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
979 struct glyph_string
*s
;
981 if (s
->font
== FRAME_FONT (s
->f
)
982 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
983 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
985 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
988 /* Cursor on non-default face: must merge. */
992 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
993 xgcv
.foreground
= s
->face
->background
;
995 /* If the glyph would be invisible, try a different foreground. */
996 if (xgcv
.foreground
== xgcv
.background
)
997 xgcv
.foreground
= s
->face
->foreground
;
998 if (xgcv
.foreground
== xgcv
.background
)
999 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1000 if (xgcv
.foreground
== xgcv
.background
)
1001 xgcv
.foreground
= s
->face
->foreground
;
1003 /* Make sure the cursor is distinct from text in this face. */
1004 if (xgcv
.background
== s
->face
->background
1005 && xgcv
.foreground
== s
->face
->foreground
)
1007 xgcv
.background
= s
->face
->foreground
;
1008 xgcv
.foreground
= s
->face
->background
;
1011 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1012 xgcv
.font
= s
->font
;
1013 mask
= GCForeground
| GCBackground
| GCFont
;
1015 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1016 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1019 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1020 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1022 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1027 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1030 x_set_mouse_face_gc (s
)
1031 struct glyph_string
*s
;
1036 /* What face has to be used last for the mouse face? */
1037 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1038 face
= FACE_FROM_ID (s
->f
, face_id
);
1040 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1042 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1043 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1045 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1046 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1047 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1049 /* If font in this face is same as S->font, use it. */
1050 if (s
->font
== s
->face
->font
)
1051 s
->gc
= s
->face
->gc
;
1054 /* Otherwise construct scratch_cursor_gc with values from FACE
1059 xgcv
.background
= s
->face
->background
;
1060 xgcv
.foreground
= s
->face
->foreground
;
1061 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1062 xgcv
.font
= s
->font
;
1063 mask
= GCForeground
| GCBackground
| GCFont
;
1065 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1066 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1069 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1070 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1072 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1075 xassert (s
->gc
!= 0);
1079 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1080 Faces to use in the mode line have already been computed when the
1081 matrix was built, so there isn't much to do, here. */
1084 x_set_mode_line_face_gc (s
)
1085 struct glyph_string
*s
;
1087 s
->gc
= s
->face
->gc
;
1091 /* Set S->gc of glyph string S for drawing that glyph string. Set
1092 S->stippled_p to a non-zero value if the face of S has a stipple
1096 x_set_glyph_string_gc (s
)
1097 struct glyph_string
*s
;
1099 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1101 if (s
->hl
== DRAW_NORMAL_TEXT
)
1103 s
->gc
= s
->face
->gc
;
1104 s
->stippled_p
= s
->face
->stipple
!= 0;
1106 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1108 x_set_mode_line_face_gc (s
);
1109 s
->stippled_p
= s
->face
->stipple
!= 0;
1111 else if (s
->hl
== DRAW_CURSOR
)
1113 x_set_cursor_gc (s
);
1116 else if (s
->hl
== DRAW_MOUSE_FACE
)
1118 x_set_mouse_face_gc (s
);
1119 s
->stippled_p
= s
->face
->stipple
!= 0;
1121 else if (s
->hl
== DRAW_IMAGE_RAISED
1122 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1124 s
->gc
= s
->face
->gc
;
1125 s
->stippled_p
= s
->face
->stipple
!= 0;
1129 s
->gc
= s
->face
->gc
;
1130 s
->stippled_p
= s
->face
->stipple
!= 0;
1133 /* GC must have been set. */
1134 xassert (s
->gc
!= 0);
1138 /* Set clipping for output of glyph string S. S may be part of a mode
1139 line or menu if we don't have X toolkit support. */
1142 x_set_glyph_string_clipping (s
)
1143 struct glyph_string
*s
;
1146 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1149 w32_set_clip_rectangle (s
->hdc
, r
);
1152 HRGN full_clip
, clip1
, clip2
;
1153 clip1
= CreateRectRgnIndirect (r
);
1154 clip2
= CreateRectRgnIndirect (r
+ 1);
1155 if (CombineRgn (full_clip
, clip1
, clip2
, RGN_OR
) != ERROR
)
1157 SelectClipRgn (s
->hdc
, full_clip
);
1159 DeleteObject (clip1
);
1160 DeleteObject (clip2
);
1161 DeleteObject (full_clip
);
1166 /* Set SRC's clipping for output of glyph string DST. This is called
1167 when we are drawing DST's left_overhang or right_overhang only in
1171 x_set_glyph_string_clipping_exactly (src
, dst
)
1172 struct glyph_string
*src
, *dst
;
1177 r
.right
= r
.left
+ src
->width
;
1179 r
.bottom
= r
.top
+ src
->height
;
1182 w32_set_clip_rectangle (dst
->hdc
, &r
);
1186 Compute left and right overhang of glyph string S. */
1189 w32_compute_glyph_string_overhangs (s
)
1190 struct glyph_string
*s
;
1193 && s
->first_glyph
->type
== CHAR_GLYPH
1194 && !s
->font_not_found_p
)
1196 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1197 struct font
*font
= s
->font
;
1198 struct font_metrics metrics
;
1201 for (i
= 0; i
< s
->nchars
; i
++)
1202 code
[i
] = s
->char2b
[i
];
1203 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1204 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1205 ? metrics
.rbearing
- metrics
.width
: 0);
1206 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1210 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1211 s
->left_overhang
= -s
->cmp
->lbearing
;
1215 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1218 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1219 struct glyph_string
*s
;
1227 /* Take clipping into account. */
1228 if (s
->gc
->clip_mask
== Rect
)
1230 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1231 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1232 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1233 - s
->gc
->clip_rectangle
.left
);
1234 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1235 - s
->gc
->clip_rectangle
.top
);
1238 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1243 /* Draw the background of glyph_string S. If S->background_filled_p
1244 is non-zero don't draw it. FORCE_P non-zero means draw the
1245 background even if it wouldn't be drawn normally. This is used
1246 when a string preceding S draws into the background of S, or S
1247 contains the first component of a composition. */
1250 x_draw_glyph_string_background (s
, force_p
)
1251 struct glyph_string
*s
;
1254 /* Nothing to do if background has already been drawn or if it
1255 shouldn't be drawn in the first place. */
1256 if (!s
->background_filled_p
)
1258 int box_line_width
= max (s
->face
->box_line_width
, 0);
1260 #if 0 /* TODO: stipple */
1263 /* Fill background with a stipple pattern. */
1264 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1265 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1266 s
->y
+ box_line_width
,
1267 s
->background_width
,
1268 s
->height
- 2 * box_line_width
);
1269 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1270 s
->background_filled_p
= 1;
1274 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1275 || s
->font_not_found_p
1276 || s
->extends_to_end_of_line_p
1280 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1281 s
->background_width
,
1282 s
->height
- 2 * box_line_width
);
1283 s
->background_filled_p
= 1;
1289 /* Draw the foreground of glyph string S. */
1292 x_draw_glyph_string_foreground (s
)
1293 struct glyph_string
*s
;
1297 /* If first glyph of S has a left box line, start drawing the text
1298 of S to the right of that box line. */
1299 if (s
->face
->box
!= FACE_NO_BOX
1300 && s
->first_glyph
->left_box_line_p
)
1301 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1305 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1306 SetBkColor (s
->hdc
, s
->gc
->background
);
1307 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1309 /* Draw characters of S as rectangles if S's font could not be
1311 if (s
->font_not_found_p
)
1313 for (i
= 0; i
< s
->nchars
; ++i
)
1315 struct glyph
*g
= s
->first_glyph
+ i
;
1317 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1319 x
+= g
->pixel_width
;
1324 struct font
*font
= s
->font
;
1325 int boff
= font
->baseline_offset
;
1329 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1331 if (font
->vertical_centering
)
1332 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1334 y
= s
->ybase
- boff
;
1336 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1337 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1339 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1340 if (s
->face
->overstrike
)
1341 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1343 SelectObject (s
->hdc
, old_font
);
1347 /* Draw the foreground of composite glyph string S. */
1350 x_draw_composite_glyph_string_foreground (s
)
1351 struct glyph_string
*s
;
1355 /* If first glyph of S has a left box line, start drawing the text
1356 of S to the right of that box line. */
1357 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1358 && s
->first_glyph
->left_box_line_p
)
1359 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1363 /* S is a glyph string for a composition. S->gidx is the index of
1364 the first character drawn for glyphs of this composition.
1365 S->gidx == 0 means we are drawing the very first character of
1366 this composition. */
1368 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1369 SetBkColor (s
->hdc
, s
->gc
->background
);
1370 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1372 /* Draw a rectangle for the composition if the font for the very
1373 first character of the composition could not be loaded. */
1374 if (s
->font_not_found_p
)
1377 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1382 struct font
*font
= s
->font
;
1387 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1389 if (s
->cmp
->method
== COMPOSITION_WITH_GLYPH_STRING
)
1391 Lisp_Object gstring
= AREF (XHASH_TABLE (composition_hash_table
)
1393 s
->cmp
->hash_index
* 2);
1396 for (i
= from
= 0; i
< s
->nchars
; i
++)
1398 Lisp_Object g
= LGSTRING_GLYPH (gstring
, i
);
1399 Lisp_Object adjustment
= LGLYPH_ADJUSTMENT (g
);
1400 int xoff
, yoff
, wadjust
;
1402 if (! VECTORP (adjustment
))
1404 width
+= LGLYPH_WIDTH (g
);
1409 font
->driver
->draw (s
, from
, i
, x
, y
, 0);
1412 xoff
= XINT (AREF (adjustment
, 0));
1413 yoff
= XINT (AREF (adjustment
, 1));
1414 wadjust
= XINT (AREF (adjustment
, 2));
1416 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1422 font
->driver
->draw (s
, from
, i
, x
, y
, 0);
1426 for (i
= 0, j
= s
->gidx
; i
< s
->nchars
; i
++, j
++)
1427 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1429 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1430 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1432 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1433 if (s
->face
->overstrike
)
1434 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1437 SelectObject (s
->hdc
, old_font
);
1442 /* Brightness beyond which a color won't have its highlight brightness
1445 Nominally, highlight colors for `3d' faces are calculated by
1446 brightening an object's color by a constant scale factor, but this
1447 doesn't yield good results for dark colors, so for colors who's
1448 brightness is less than this value (on a scale of 0-255) have to
1449 use an additional additive factor.
1451 The value here is set so that the default menu-bar/mode-line color
1452 (grey75) will not have its highlights changed at all. */
1453 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1456 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1457 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1458 If this produces the same color as COLOR, try a color where all RGB
1459 values have DELTA added. Return the allocated color in *COLOR.
1460 DISPLAY is the X display, CMAP is the colormap to operate on.
1461 Value is non-zero if successful. */
1464 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1473 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1476 /* Change RGB values by specified FACTOR. Avoid overflow! */
1477 xassert (factor
>= 0);
1478 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1479 min (0xff, factor
* GetGValue (*color
)),
1480 min (0xff, factor
* GetBValue (*color
)));
1482 /* Calculate brightness of COLOR. */
1483 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1484 + GetBValue (*color
)) / 6;
1486 /* We only boost colors that are darker than
1487 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1488 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1489 /* Make an additive adjustment to NEW, because it's dark enough so
1490 that scaling by FACTOR alone isn't enough. */
1492 /* How far below the limit this color is (0 - 1, 1 being darker). */
1493 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1494 /* The additive adjustment. */
1495 int min_delta
= delta
* dimness
* factor
/ 2;
1498 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1499 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1500 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1502 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1503 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1504 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1508 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1509 max (0, min (0xff, delta
+ GetGValue (*color
))),
1510 max (0, min (0xff, delta
+ GetBValue (*color
))));
1512 /* TODO: Map to palette and retry with delta if same? */
1513 /* TODO: Free colors (if using palette)? */
1524 /* Set up the foreground color for drawing relief lines of glyph
1525 string S. RELIEF is a pointer to a struct relief containing the GC
1526 with which lines will be drawn. Use a color that is FACTOR or
1527 DELTA lighter or darker than the relief's background which is found
1528 in S->f->output_data.x->relief_background. If such a color cannot
1529 be allocated, use DEFAULT_PIXEL, instead. */
1532 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1534 struct relief
*relief
;
1537 COLORREF default_pixel
;
1540 struct w32_output
*di
= f
->output_data
.w32
;
1541 unsigned long mask
= GCForeground
;
1543 COLORREF background
= di
->relief_background
;
1544 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1546 /* TODO: Free colors (if using palette)? */
1548 /* Allocate new color. */
1549 xgcv
.foreground
= default_pixel
;
1551 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1553 relief
->allocated_p
= 1;
1554 xgcv
.foreground
= relief
->pixel
= pixel
;
1557 if (relief
->gc
== 0)
1559 #if 0 /* TODO: stipple */
1560 xgcv
.stipple
= dpyinfo
->gray
;
1563 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1566 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1570 /* Set up colors for the relief lines around glyph string S. */
1573 x_setup_relief_colors (s
)
1574 struct glyph_string
*s
;
1576 struct w32_output
*di
= s
->f
->output_data
.w32
;
1579 if (s
->face
->use_box_color_for_shadows_p
)
1580 color
= s
->face
->box_color
;
1581 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1583 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1584 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1586 color
= s
->gc
->background
;
1588 if (di
->white_relief
.gc
== 0
1589 || color
!= di
->relief_background
)
1591 di
->relief_background
= color
;
1592 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1593 WHITE_PIX_DEFAULT (s
->f
));
1594 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1595 BLACK_PIX_DEFAULT (s
->f
));
1600 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1601 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1602 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1603 relief. LEFT_P non-zero means draw a relief on the left side of
1604 the rectangle. RIGHT_P non-zero means draw a relief on the right
1605 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1609 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1610 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1612 int left_x
, top_y
, right_x
, bottom_y
, width
;
1613 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1618 HDC hdc
= get_frame_dc (f
);
1621 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1623 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1625 w32_set_clip_rectangle (hdc
, clip_rect
);
1629 for (i
= 0; i
< width
; ++i
)
1630 w32_fill_area (f
, hdc
, gc
.foreground
,
1631 left_x
+ i
* left_p
, top_y
+ i
,
1632 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1636 for (i
= 0; i
< width
; ++i
)
1637 w32_fill_area (f
, hdc
, gc
.foreground
,
1638 left_x
+ i
, top_y
+ i
, 1,
1639 bottom_y
- top_y
- 2 * i
+ 1);
1642 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1644 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1648 for (i
= 0; i
< width
; ++i
)
1649 w32_fill_area (f
, hdc
, gc
.foreground
,
1650 left_x
+ i
* left_p
, bottom_y
- i
,
1651 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1655 for (i
= 0; i
< width
; ++i
)
1656 w32_fill_area (f
, hdc
, gc
.foreground
,
1657 right_x
- i
, top_y
+ i
+ 1, 1,
1658 bottom_y
- top_y
- 2 * i
- 1);
1660 w32_set_clip_rectangle (hdc
, NULL
);
1662 release_frame_dc (f
, hdc
);
1666 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1667 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1668 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1669 left side of the rectangle. RIGHT_P non-zero means draw a line
1670 on the right side of the rectangle. CLIP_RECT is the clipping
1671 rectangle to use when drawing. */
1674 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1675 left_p
, right_p
, clip_rect
)
1676 struct glyph_string
*s
;
1677 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1680 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1683 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1684 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1689 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1690 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1694 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1695 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1700 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1701 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1704 w32_set_clip_rectangle (s
->hdc
, NULL
);
1708 /* Draw a box around glyph string S. */
1711 x_draw_glyph_string_box (s
)
1712 struct glyph_string
*s
;
1714 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1715 int left_p
, right_p
;
1716 struct glyph
*last_glyph
;
1719 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1720 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1721 : window_box_right (s
->w
, s
->area
));
1723 /* The glyph that may have a right box line. */
1724 last_glyph
= (s
->cmp
|| s
->img
1726 : s
->first_glyph
+ s
->nchars
- 1);
1728 width
= eabs (s
->face
->box_line_width
);
1729 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1731 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1733 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1735 bottom_y
= top_y
+ s
->height
- 1;
1737 left_p
= (s
->first_glyph
->left_box_line_p
1738 || (s
->hl
== DRAW_MOUSE_FACE
1740 || s
->prev
->hl
!= s
->hl
)));
1741 right_p
= (last_glyph
->right_box_line_p
1742 || (s
->hl
== DRAW_MOUSE_FACE
1744 || s
->next
->hl
!= s
->hl
)));
1746 get_glyph_string_clip_rect (s
, &clip_rect
);
1748 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1749 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1750 left_p
, right_p
, &clip_rect
);
1753 x_setup_relief_colors (s
);
1754 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1755 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1760 /* Draw foreground of image glyph string S. */
1763 x_draw_image_foreground (s
)
1764 struct glyph_string
*s
;
1767 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1769 /* If first glyph of S has a left box line, start drawing it to the
1770 right of that line. */
1771 if (s
->face
->box
!= FACE_NO_BOX
1772 && s
->first_glyph
->left_box_line_p
1774 x
+= eabs (s
->face
->box_line_width
);
1776 /* If there is a margin around the image, adjust x- and y-position
1778 if (s
->slice
.x
== 0)
1779 x
+= s
->img
->hmargin
;
1780 if (s
->slice
.y
== 0)
1781 y
+= s
->img
->vmargin
;
1787 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1788 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1789 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1790 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1791 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1792 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1793 x_set_glyph_string_clipping (s
);
1797 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1798 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1800 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1801 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1803 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1804 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1805 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1806 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1807 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1808 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1810 SelectObject (mask_dc
, mask_orig_obj
);
1815 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1816 SetBkColor (s
->hdc
, s
->gc
->background
);
1818 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1819 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1821 /* When the image has a mask, we can expect that at
1822 least part of a mouse highlight or a block cursor will
1823 be visible. If the image doesn't have a mask, make
1824 a block cursor visible by drawing a rectangle around
1825 the image. I believe it's looking better if we do
1826 nothing here for mouse-face. */
1827 if (s
->hl
== DRAW_CURSOR
)
1829 int r
= s
->img
->relief
;
1831 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1832 s
->slice
.width
+ r
*2 - 1,
1833 s
->slice
.height
+ r
*2 - 1);
1837 w32_set_clip_rectangle (s
->hdc
, NULL
);
1838 SelectObject (s
->hdc
, orig_brush
);
1839 DeleteObject (fg_brush
);
1840 SelectObject (compat_hdc
, orig_obj
);
1841 DeleteDC (compat_hdc
);
1844 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1845 s
->slice
.width
- 1, s
->slice
.height
- 1);
1847 RestoreDC (s
->hdc
,-1);
1851 /* Draw a relief around the image glyph string S. */
1854 x_draw_image_relief (s
)
1855 struct glyph_string
*s
;
1857 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1860 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1862 /* If first glyph of S has a left box line, start drawing it to the
1863 right of that line. */
1864 if (s
->face
->box
!= FACE_NO_BOX
1865 && s
->first_glyph
->left_box_line_p
1867 x
+= eabs (s
->face
->box_line_width
);
1869 /* If there is a margin around the image, adjust x- and y-position
1871 if (s
->slice
.x
== 0)
1872 x
+= s
->img
->hmargin
;
1873 if (s
->slice
.y
== 0)
1874 y
+= s
->img
->vmargin
;
1876 if (s
->hl
== DRAW_IMAGE_SUNKEN
1877 || s
->hl
== DRAW_IMAGE_RAISED
)
1879 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1880 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1884 thick
= eabs (s
->img
->relief
);
1885 raised_p
= s
->img
->relief
> 0;
1890 x1
= x
+ s
->slice
.width
+ thick
- 1;
1891 y1
= y
+ s
->slice
.height
+ thick
- 1;
1893 x_setup_relief_colors (s
);
1894 get_glyph_string_clip_rect (s
, &r
);
1895 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
1897 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
1899 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
1904 /* Draw the foreground of image glyph string S to PIXMAP. */
1907 w32_draw_image_foreground_1 (s
, pixmap
)
1908 struct glyph_string
*s
;
1911 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1912 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1914 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1916 /* If first glyph of S has a left box line, start drawing it to the
1917 right of that line. */
1918 if (s
->face
->box
!= FACE_NO_BOX
1919 && s
->first_glyph
->left_box_line_p
1921 x
+= eabs (s
->face
->box_line_width
);
1923 /* If there is a margin around the image, adjust x- and y-position
1925 if (s
->slice
.x
== 0)
1926 x
+= s
->img
->hmargin
;
1927 if (s
->slice
.y
== 0)
1928 y
+= s
->img
->vmargin
;
1932 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1933 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1934 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1935 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1939 HDC mask_dc
= CreateCompatibleDC (hdc
);
1940 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1942 SetTextColor (hdc
, RGB (0, 0, 0));
1943 SetBkColor (hdc
, RGB (255, 255, 255));
1944 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1945 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1946 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1947 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1948 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1949 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1951 SelectObject (mask_dc
, mask_orig_obj
);
1956 SetTextColor (hdc
, s
->gc
->foreground
);
1957 SetBkColor (hdc
, s
->gc
->background
);
1959 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1960 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1962 /* When the image has a mask, we can expect that at
1963 least part of a mouse highlight or a block cursor will
1964 be visible. If the image doesn't have a mask, make
1965 a block cursor visible by drawing a rectangle around
1966 the image. I believe it's looking better if we do
1967 nothing here for mouse-face. */
1968 if (s
->hl
== DRAW_CURSOR
)
1970 int r
= s
->img
->relief
;
1972 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
1973 s
->slice
.width
+ r
*2 - 1,
1974 s
->slice
.height
+ r
*2 - 1);
1978 SelectObject (hdc
, orig_brush
);
1979 DeleteObject (fg_brush
);
1980 SelectObject (compat_hdc
, orig_obj
);
1981 DeleteDC (compat_hdc
);
1984 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
1985 s
->slice
.width
- 1, s
->slice
.height
- 1);
1987 SelectObject (hdc
, orig_hdc_obj
);
1992 /* Draw part of the background of glyph string S. X, Y, W, and H
1993 give the rectangle to draw. */
1996 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
1997 struct glyph_string
*s
;
2000 #if 0 /* TODO: stipple */
2003 /* Fill background with a stipple pattern. */
2004 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2005 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2006 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2010 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2014 /* Draw image glyph string S.
2017 s->x +-------------------------
2020 | +-------------------------
2023 | | +-------------------
2029 x_draw_image_glyph_string (s
)
2030 struct glyph_string
*s
;
2033 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2034 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2038 height
= s
->height
- 2 * box_line_vwidth
;
2040 /* Fill background with face under the image. Do it only if row is
2041 taller than image or if image has a clip mask to reduce
2043 s
->stippled_p
= s
->face
->stipple
!= 0;
2044 if (height
> s
->slice
.height
2048 || s
->img
->pixmap
== 0
2049 || s
->width
!= s
->background_width
)
2052 if (s
->first_glyph
->left_box_line_p
2054 x
+= box_line_hwidth
;
2057 if (s
->slice
.y
== 0)
2058 y
+= box_line_vwidth
;
2060 #if 0 /* TODO: figure out if we need to do this on Windows. */
2063 /* Create a pixmap as large as the glyph string. Fill it
2064 with the background color. Copy the image to it, using
2065 its mask. Copy the temporary pixmap to the display. */
2066 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2067 int depth
= DefaultDepthOfScreen (screen
);
2069 /* Create a pixmap as large as the glyph string. */
2070 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2071 s
->background_width
,
2074 /* Don't clip in the following because we're working on the
2076 XSetClipMask (s
->display
, s
->gc
, None
);
2078 /* Fill the pixmap with the background color/stipple. */
2081 /* Fill background with a stipple pattern. */
2082 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2083 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2084 0, 0, s
->background_width
, s
->height
);
2085 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2090 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2092 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2093 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2094 0, 0, s
->background_width
, s
->height
);
2095 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2100 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2102 s
->background_filled_p
= 1;
2105 /* Draw the foreground. */
2108 w32_draw_image_foreground_1 (s
, pixmap
);
2109 x_set_glyph_string_clipping (s
);
2111 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2112 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2113 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2114 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2116 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2117 SetBkColor (s
->hdc
, s
->gc
->background
);
2118 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2119 compat_hdc
, 0, 0, SRCCOPY
);
2121 SelectObject (s
->hdc
, orig_brush
);
2122 DeleteObject (fg_brush
);
2123 SelectObject (compat_hdc
, orig_obj
);
2124 DeleteDC (compat_hdc
);
2126 DeleteObject (pixmap
);
2130 x_draw_image_foreground (s
);
2132 /* If we must draw a relief around the image, do it. */
2134 || s
->hl
== DRAW_IMAGE_RAISED
2135 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2136 x_draw_image_relief (s
);
2140 /* Draw stretch glyph string S. */
2143 x_draw_stretch_glyph_string (s
)
2144 struct glyph_string
*s
;
2146 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2148 if (s
->hl
== DRAW_CURSOR
2149 && !x_stretch_cursor_p
)
2151 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2152 as wide as the stretch glyph. */
2153 int width
, background_width
= s
->background_width
;
2154 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2158 background_width
-= left_x
- x
;
2161 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2164 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2166 /* Clear rest using the GC of the original non-cursor face. */
2167 if (width
< background_width
)
2169 XGCValues
*gc
= s
->face
->gc
;
2171 int w
= background_width
- width
, h
= s
->height
;
2176 if (s
->row
->mouse_face_p
2177 && cursor_in_mouse_face_p (s
->w
))
2179 x_set_mouse_face_gc (s
);
2185 get_glyph_string_clip_rect (s
, &r
);
2186 w32_set_clip_rectangle (hdc
, &r
);
2188 #if 0 /* TODO: stipple */
2189 if (s
->face
->stipple
)
2191 /* Fill background with a stipple pattern. */
2192 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2193 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2194 XSetFillStyle (s
->display
, gc
, FillSolid
);
2199 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2203 else if (!s
->background_filled_p
)
2205 int background_width
= s
->background_width
;
2206 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2208 /* Don't draw into left margin, fringe or scrollbar area
2209 except for header line and mode line. */
2210 if (x
< left_x
&& !s
->row
->mode_line_p
)
2212 background_width
-= left_x
- x
;
2215 if (background_width
> 0)
2216 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2219 s
->background_filled_p
= 1;
2223 /* Draw glyph string S. */
2226 x_draw_glyph_string (s
)
2227 struct glyph_string
*s
;
2229 int relief_drawn_p
= 0;
2231 /* If S draws into the background of its successor, draw the
2232 background of the successor first so that S can draw into it.
2233 This makes S->next use XDrawString instead of XDrawImageString. */
2234 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2237 struct glyph_string
*next
;
2238 for (width
= 0, next
= s
->next
; next
;
2239 width
+= next
->width
, next
= next
->next
)
2240 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2242 x_set_glyph_string_gc (next
);
2243 x_set_glyph_string_clipping (next
);
2244 x_draw_glyph_string_background (next
, 1);
2245 next
->num_clips
= 0;
2249 /* Set up S->gc, set clipping and draw S. */
2250 x_set_glyph_string_gc (s
);
2252 /* Draw relief (if any) in advance for char/composition so that the
2253 glyph string can be drawn over it. */
2254 if (!s
->for_overlaps
2255 && s
->face
->box
!= FACE_NO_BOX
2256 && (s
->first_glyph
->type
== CHAR_GLYPH
2257 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2260 x_set_glyph_string_clipping (s
);
2261 x_draw_glyph_string_background (s
, 1);
2262 x_draw_glyph_string_box (s
);
2263 x_set_glyph_string_clipping (s
);
2266 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2268 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2269 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2270 /* We must clip just this glyph. left_overhang part has already
2271 drawn when s->prev was drawn, and right_overhang part will be
2272 drawn later when s->next is drawn. */
2273 x_set_glyph_string_clipping_exactly (s
, s
);
2275 x_set_glyph_string_clipping (s
);
2277 switch (s
->first_glyph
->type
)
2280 x_draw_image_glyph_string (s
);
2284 x_draw_stretch_glyph_string (s
);
2288 if (s
->for_overlaps
)
2289 s
->background_filled_p
= 1;
2291 x_draw_glyph_string_background (s
, 0);
2292 x_draw_glyph_string_foreground (s
);
2295 case COMPOSITE_GLYPH
:
2296 if (s
->for_overlaps
|| s
->gidx
> 0)
2297 s
->background_filled_p
= 1;
2299 x_draw_glyph_string_background (s
, 1);
2300 x_draw_composite_glyph_string_foreground (s
);
2307 if (!s
->for_overlaps
)
2309 /* Draw underline. */
2310 if (s
->face
->underline_p
)
2312 unsigned long thickness
, position
;
2315 if (s
->prev
&& s
->prev
->face
->underline_p
)
2317 /* We use the same underline style as the previous one. */
2318 thickness
= s
->prev
->underline_thickness
;
2319 position
= s
->prev
->underline_position
;
2323 /* Get the underline thickness. Default is 1 pixel. */
2324 if (s
->font
&& s
->font
->underline_thickness
> 0)
2325 thickness
= s
->font
->underline_thickness
;
2328 if (x_underline_at_descent_line
)
2329 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2332 /* Get the underline position. This is the recommended
2333 vertical offset in pixels from the baseline to the top of
2334 the underline. This is a signed value according to the
2335 specs, and its default is
2337 ROUND ((maximum_descent) / 2), with
2338 ROUND (x) = floor (x + 0.5) */
2340 if (x_use_underline_position_properties
2341 && s
->font
&& s
->font
->underline_position
>= 0)
2342 position
= s
->font
->underline_position
;
2344 position
= (s
->font
->descent
+ 1) / 2;
2346 position
= max (position
, underline_minimum_offset
);
2348 /* Check the sanity of thickness and position. We should
2349 avoid drawing underline out of the current line area. */
2350 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2351 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2352 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2353 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2354 s
->underline_thickness
= thickness
;
2355 s
->underline_position
=position
;
2356 y
= s
->ybase
+ position
;
2357 if (s
->face
->underline_defaulted_p
)
2359 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2360 y
, s
->background_width
, 1);
2364 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2365 y
, s
->background_width
, 1);
2368 /* Draw overline. */
2369 if (s
->face
->overline_p
)
2371 unsigned long dy
= 0, h
= 1;
2373 if (s
->face
->overline_color_defaulted_p
)
2375 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2376 s
->y
+ dy
, s
->background_width
, h
);
2380 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2381 s
->y
+ dy
, s
->background_width
, h
);
2385 /* Draw strike-through. */
2386 if (s
->face
->strike_through_p
2387 && !FONT_TEXTMETRIC(s
->font
).tmStruckOut
)
2389 unsigned long h
= 1;
2390 unsigned long dy
= (s
->height
- h
) / 2;
2392 if (s
->face
->strike_through_color_defaulted_p
)
2394 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2399 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2400 s
->y
+ dy
, s
->width
, h
);
2404 /* Draw relief if not yet drawn. */
2405 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2406 x_draw_glyph_string_box (s
);
2410 struct glyph_string
*prev
;
2412 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2413 if (prev
->hl
!= s
->hl
2414 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2416 /* As prev was drawn while clipped to its own area, we
2417 must draw the right_overhang part using s->hl now. */
2418 enum draw_glyphs_face save
= prev
->hl
;
2421 x_set_glyph_string_gc (prev
);
2422 x_set_glyph_string_clipping_exactly (s
, prev
);
2423 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2424 x_draw_glyph_string_foreground (prev
);
2426 x_draw_composite_glyph_string_foreground (prev
);
2427 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2429 prev
->num_clips
= 0;
2435 struct glyph_string
*next
;
2437 for (next
= s
->next
; next
; next
= next
->next
)
2438 if (next
->hl
!= s
->hl
2439 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2441 /* As next will be drawn while clipped to its own area,
2442 we must draw the left_overhang part using s->hl now. */
2443 enum draw_glyphs_face save
= next
->hl
;
2446 x_set_glyph_string_gc (next
);
2447 x_set_glyph_string_clipping_exactly (s
, next
);
2448 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2449 x_draw_glyph_string_foreground (next
);
2451 x_draw_composite_glyph_string_foreground (next
);
2452 w32_set_clip_rectangle (next
->hdc
, NULL
);
2454 next
->num_clips
= 0;
2459 /* Reset clipping. */
2460 w32_set_clip_rectangle (s
->hdc
, NULL
);
2465 /* Shift display to make room for inserted glyphs. */
2468 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2470 int x
, y
, width
, height
, shift_by
;
2474 hdc
= get_frame_dc (f
);
2475 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2476 hdc
, x
, y
, SRCCOPY
);
2478 release_frame_dc (f
, hdc
);
2482 /* Delete N glyphs at the nominal cursor position. Not implemented
2486 x_delete_glyphs (f
, n
)
2490 if (! FRAME_W32_P (f
))
2497 /* Clear entire frame. If updating_frame is non-null, clear that
2498 frame. Otherwise clear the selected frame. */
2501 x_clear_frame (struct frame
*f
)
2503 if (! FRAME_W32_P (f
))
2506 /* Clearing the frame will erase any cursor, so mark them all as no
2508 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2509 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2510 output_cursor
.x
= -1;
2512 /* We don't set the output cursor here because there will always
2513 follow an explicit cursor_to. */
2516 w32_clear_window (f
);
2518 /* We have to clear the scroll bars, too. If we have changed
2519 colors or something like that, then they should be notified. */
2520 x_scroll_bar_clear (f
);
2526 /* Make audible bell. */
2529 w32_ring_bell (struct frame
*f
)
2533 if (FRAME_W32_P (f
) && visible_bell
)
2536 HWND hwnd
= FRAME_W32_WINDOW (f
);
2538 for (i
= 0; i
< 5; i
++)
2540 FlashWindow (hwnd
, TRUE
);
2543 FlashWindow (hwnd
, FALSE
);
2546 w32_sys_ring_bell (f
);
2552 /* Specify how many text lines, from the top of the window,
2553 should be affected by insert-lines and delete-lines operations.
2554 This, and those operations, are used only within an update
2555 that is bounded by calls to x_update_begin and x_update_end. */
2558 w32_set_terminal_window (n
)
2561 /* This function intentionally left blank. */
2565 /***********************************************************************
2567 ***********************************************************************/
2569 /* Perform an insert-lines or delete-lines operation, inserting N
2570 lines or deleting -N lines at vertical position VPOS. */
2573 x_ins_del_lines (f
, vpos
, n
)
2577 if (! FRAME_W32_P (f
))
2584 /* Scroll part of the display as described by RUN. */
2587 x_scroll_run (w
, run
)
2591 struct frame
*f
= XFRAME (w
->frame
);
2592 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2593 HWND hwnd
= FRAME_W32_WINDOW (f
);
2596 /* Get frame-relative bounding box of the text display area of W,
2597 without mode lines. Include in this box the left and right
2599 window_box (w
, -1, &x
, &y
, &width
, &height
);
2601 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2602 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2603 bottom_y
= y
+ height
;
2607 /* Scrolling up. Make sure we don't copy part of the mode
2608 line at the bottom. */
2609 if (from_y
+ run
->height
> bottom_y
)
2610 height
= bottom_y
- from_y
;
2612 height
= run
->height
;
2613 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2617 /* Scolling down. Make sure we don't copy over the mode line.
2619 if (to_y
+ run
->height
> bottom_y
)
2620 height
= bottom_y
- to_y
;
2622 height
= run
->height
;
2623 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2628 /* Cursor off. Will be switched on again in x_update_window_end. */
2635 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2636 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2638 from
.left
= to
.left
= x
;
2639 from
.right
= to
.right
= x
+ width
;
2641 from
.bottom
= from_y
+ height
;
2643 to
.bottom
= bottom_y
;
2645 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2646 NULL
, SW_INVALIDATE
);
2648 /* Combine this with what we expect to be dirty. This covers the
2649 case where not all of the region we expect is actually dirty. */
2650 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2652 /* If the dirty region is not what we expected, redraw the entire frame. */
2653 if (!EqualRgn (combined
, expect_dirty
))
2654 SET_FRAME_GARBAGED (f
);
2656 DeleteObject (dirty
);
2657 DeleteObject (combined
);
2661 DeleteObject (expect_dirty
);
2666 /***********************************************************************
2668 ***********************************************************************/
2674 x_update_cursor (f
, 1);
2675 x_set_frame_alpha (f
);
2679 frame_unhighlight (f
)
2682 x_update_cursor (f
, 1);
2683 x_set_frame_alpha (f
);
2686 /* The focus has changed. Update the frames as necessary to reflect
2687 the new situation. Note that we can't change the selected frame
2688 here, because the Lisp code we are interrupting might become confused.
2689 Each event gets marked with the frame in which it occurred, so the
2690 Lisp code can tell when the switch took place by examining the events. */
2693 x_new_focus_frame (dpyinfo
, frame
)
2694 struct w32_display_info
*dpyinfo
;
2695 struct frame
*frame
;
2697 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2699 if (frame
!= dpyinfo
->w32_focus_frame
)
2701 /* Set this before calling other routines, so that they see
2702 the correct value of w32_focus_frame. */
2703 dpyinfo
->w32_focus_frame
= frame
;
2705 if (old_focus
&& old_focus
->auto_lower
)
2706 x_lower_frame (old_focus
);
2708 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2709 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2711 pending_autoraise_frame
= 0;
2714 x_frame_rehighlight (dpyinfo
);
2718 /* Handle FocusIn and FocusOut state changes for FRAME.
2719 If FRAME has focus and there exists more than one frame, puts
2720 a FOCUS_IN_EVENT into *BUFP. */
2723 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2726 struct w32_display_info
*dpyinfo
;
2727 struct frame
*frame
;
2728 struct input_event
*bufp
;
2730 if (type
== WM_SETFOCUS
)
2732 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2734 x_new_focus_frame (dpyinfo
, frame
);
2735 dpyinfo
->w32_focus_event_frame
= frame
;
2737 /* Don't stop displaying the initial startup message
2738 for a switch-frame event we don't need. */
2739 if (NILP (Vterminal_frame
)
2740 && CONSP (Vframe_list
)
2741 && !NILP (XCDR (Vframe_list
)))
2743 bufp
->kind
= FOCUS_IN_EVENT
;
2744 XSETFRAME (bufp
->frame_or_window
, frame
);
2748 frame
->output_data
.x
->focus_state
|= state
;
2750 /* TODO: IME focus? */
2752 else if (type
== WM_KILLFOCUS
)
2754 frame
->output_data
.x
->focus_state
&= ~state
;
2756 if (dpyinfo
->w32_focus_event_frame
== frame
)
2758 dpyinfo
->w32_focus_event_frame
= 0;
2759 x_new_focus_frame (dpyinfo
, 0);
2762 /* TODO: IME focus? */
2767 /* The focus may have changed. Figure out if it is a real focus change,
2768 by checking both FocusIn/Out and Enter/LeaveNotify events.
2770 Returns FOCUS_IN_EVENT event in *BUFP. */
2773 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2774 struct w32_display_info
*dpyinfo
;
2776 struct input_event
*bufp
;
2778 struct frame
*frame
;
2780 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2784 /* On w32, this is only called from focus events, so no switch needed. */
2785 x_focus_changed (event
->msg
.message
,
2786 (event
->msg
.message
== WM_KILLFOCUS
?
2787 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2788 dpyinfo
, frame
, bufp
);
2792 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2795 x_mouse_leave (dpyinfo
)
2796 struct w32_display_info
*dpyinfo
;
2798 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2801 /* The focus has changed, or we have redirected a frame's focus to
2802 another frame (this happens when a frame uses a surrogate
2803 mini-buffer frame). Shift the highlight as appropriate.
2805 The FRAME argument doesn't necessarily have anything to do with which
2806 frame is being highlighted or un-highlighted; we only use it to find
2807 the appropriate X display info. */
2810 w32_frame_rehighlight (frame
)
2811 struct frame
*frame
;
2813 if (! FRAME_W32_P (frame
))
2815 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2819 x_frame_rehighlight (dpyinfo
)
2820 struct w32_display_info
*dpyinfo
;
2822 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2824 if (dpyinfo
->w32_focus_frame
)
2826 dpyinfo
->x_highlight_frame
2827 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2828 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2829 : dpyinfo
->w32_focus_frame
);
2830 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2832 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2833 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2837 dpyinfo
->x_highlight_frame
= 0;
2839 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2842 frame_unhighlight (old_highlight
);
2843 if (dpyinfo
->x_highlight_frame
)
2844 frame_highlight (dpyinfo
->x_highlight_frame
);
2848 /* Keyboard processing - modifier keys, etc. */
2850 /* Convert a keysym to its name. */
2853 x_get_keysym_name (keysym
)
2856 /* Make static so we can always return it */
2857 static char value
[100];
2860 GetKeyNameText (keysym
, value
, 100);
2868 /* Mouse clicks and mouse movement. Rah. */
2870 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2871 the state in PUP. XBUTTON provides extra information for extended mouse
2872 button messages. Returns FALSE if unable to parse the message. */
2874 parse_button (message
, xbutton
, pbutton
, pup
)
2885 case WM_LBUTTONDOWN
:
2893 case WM_MBUTTONDOWN
:
2894 if (NILP (Vw32_swap_mouse_buttons
))
2901 if (NILP (Vw32_swap_mouse_buttons
))
2907 case WM_RBUTTONDOWN
:
2908 if (NILP (Vw32_swap_mouse_buttons
))
2915 if (NILP (Vw32_swap_mouse_buttons
))
2921 case WM_XBUTTONDOWN
:
2922 button
= xbutton
+ 2;
2926 button
= xbutton
+ 2;
2934 if (pbutton
) *pbutton
= button
;
2940 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2942 If the event is a button press, then note that we have grabbed
2946 construct_mouse_click (result
, msg
, f
)
2947 struct input_event
*result
;
2954 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2957 /* Make the event type NO_EVENT; we'll change that when we decide
2959 result
->kind
= MOUSE_CLICK_EVENT
;
2960 result
->code
= button
;
2961 result
->timestamp
= msg
->msg
.time
;
2962 result
->modifiers
= (msg
->dwModifiers
2967 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2968 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2969 XSETFRAME (result
->frame_or_window
, f
);
2975 construct_mouse_wheel (result
, msg
, f
)
2976 struct input_event
*result
;
2983 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
2986 result
->timestamp
= msg
->msg
.time
;
2988 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2989 forward, away from the user (up); a negative value indicates that
2990 the wheel was rotated backward, toward the user (down). */
2991 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
2993 /* The up and down modifiers indicate if the wheel was rotated up or
2994 down based on WHEEL_DELTA value. */
2995 result
->modifiers
= (msg
->dwModifiers
2996 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
2998 /* With multiple monitors, we can legitimately get negative
2999 coordinates, so cast to short to interpret them correctly. */
3000 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3001 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3002 ScreenToClient (msg
->msg
.hwnd
, &p
);
3003 XSETINT (result
->x
, p
.x
);
3004 XSETINT (result
->y
, p
.y
);
3005 XSETFRAME (result
->frame_or_window
, f
);
3011 construct_drag_n_drop (result
, msg
, f
)
3012 struct input_event
*result
;
3024 result
->kind
= DRAG_N_DROP_EVENT
;
3026 result
->timestamp
= msg
->msg
.time
;
3027 result
->modifiers
= msg
->dwModifiers
;
3029 hdrop
= (HDROP
) msg
->msg
.wParam
;
3030 DragQueryPoint (hdrop
, &p
);
3033 p
.x
= LOWORD (msg
->msg
.lParam
);
3034 p
.y
= HIWORD (msg
->msg
.lParam
);
3035 ScreenToClient (msg
->msg
.hwnd
, &p
);
3038 XSETINT (result
->x
, p
.x
);
3039 XSETINT (result
->y
, p
.y
);
3041 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3044 for (i
= 0; i
< num_files
; i
++)
3046 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3049 name
= alloca (len
+ 1);
3050 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3051 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3056 XSETFRAME (frame
, f
);
3057 result
->frame_or_window
= frame
;
3058 result
->arg
= files
;
3063 /* Function to report a mouse movement to the mainstream Emacs code.
3064 The input handler calls this.
3066 We have received a mouse movement event, which is given in *event.
3067 If the mouse is over a different glyph than it was last time, tell
3068 the mainstream emacs code by setting mouse_moved. If not, ask for
3069 another motion event, so we can check again the next time it moves. */
3071 static MSG last_mouse_motion_event
;
3072 static Lisp_Object last_mouse_motion_frame
;
3075 note_mouse_movement (frame
, msg
)
3079 int mouse_x
= LOWORD (msg
->lParam
);
3080 int mouse_y
= HIWORD (msg
->lParam
);
3082 last_mouse_movement_time
= msg
->time
;
3083 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3084 XSETFRAME (last_mouse_motion_frame
, frame
);
3086 if (!FRAME_X_OUTPUT (frame
))
3089 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3091 frame
->mouse_moved
= 1;
3092 last_mouse_scroll_bar
= Qnil
;
3093 note_mouse_highlight (frame
, -1, -1);
3094 last_mouse_glyph_frame
= 0;
3098 /* Has the mouse moved off the glyph it was on at the last sighting? */
3099 if (frame
!= last_mouse_glyph_frame
3100 || mouse_x
< last_mouse_glyph
.left
3101 || mouse_x
>= last_mouse_glyph
.right
3102 || mouse_y
< last_mouse_glyph
.top
3103 || mouse_y
>= last_mouse_glyph
.bottom
)
3105 frame
->mouse_moved
= 1;
3106 last_mouse_scroll_bar
= Qnil
;
3107 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3108 /* Remember the mouse position here, as w32_mouse_position only
3109 gets called when mouse tracking is enabled but we also need
3110 to keep track of the mouse for help_echo and highlighting at
3112 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3113 last_mouse_glyph_frame
= frame
;
3121 /************************************************************************
3123 ************************************************************************/
3125 static struct scroll_bar
*x_window_to_scroll_bar ();
3126 static void x_scroll_bar_report_motion ();
3127 static void x_check_fullscreen
P_ ((struct frame
*));
3130 redo_mouse_highlight ()
3132 if (!NILP (last_mouse_motion_frame
)
3133 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3134 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3135 LOWORD (last_mouse_motion_event
.lParam
),
3136 HIWORD (last_mouse_motion_event
.lParam
));
3140 w32_define_cursor (window
, cursor
)
3144 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3146 /* Return the current position of the mouse.
3147 *fp should be a frame which indicates which display to ask about.
3149 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3150 and *part to the frame, window, and scroll bar part that the mouse
3151 is over. Set *x and *y to the portion and whole of the mouse's
3152 position on the scroll bar.
3154 If the mouse movement started elsewhere, set *fp to the frame the
3155 mouse is on, *bar_window to nil, and *x and *y to the character cell
3158 Set *time to the server time-stamp for the time at which the mouse
3159 was at this position.
3161 Don't store anything if we don't have a valid set of values to report.
3163 This clears the mouse_moved flag, so we can wait for the next mouse
3167 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3170 Lisp_Object
*bar_window
;
3171 enum scroll_bar_part
*part
;
3173 unsigned long *time
;
3179 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3180 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3185 Lisp_Object frame
, tail
;
3187 /* Clear the mouse-moved flag for every frame on this display. */
3188 FOR_EACH_FRAME (tail
, frame
)
3189 XFRAME (frame
)->mouse_moved
= 0;
3191 last_mouse_scroll_bar
= Qnil
;
3195 /* Now we have a position on the root; find the innermost window
3196 containing the pointer. */
3198 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3199 && FRAME_LIVE_P (last_mouse_frame
))
3201 /* If mouse was grabbed on a frame, give coords for that frame
3202 even if the mouse is now outside it. */
3203 f1
= last_mouse_frame
;
3207 /* Is window under mouse one of our frames? */
3208 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3209 WindowFromPoint (pt
));
3212 /* If not, is it one of our scroll bars? */
3215 struct scroll_bar
*bar
3216 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3220 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3224 if (f1
== 0 && insist
> 0)
3225 f1
= SELECTED_FRAME ();
3229 /* Ok, we found a frame. Store all the values.
3230 last_mouse_glyph is a rectangle used to reduce the
3231 generation of mouse events. To not miss any motion
3232 events, we must divide the frame into rectangles of the
3233 size of the smallest character that could be displayed
3234 on it, i.e. into the same rectangles that matrices on
3235 the frame are divided into. */
3237 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3238 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3239 last_mouse_glyph_frame
= f1
;
3246 *time
= last_mouse_movement_time
;
3255 /***********************************************************************
3257 ***********************************************************************/
3259 /* Handle mouse button event on the tool-bar of frame F, at
3260 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3264 w32_handle_tool_bar_click (f
, button_event
)
3266 struct input_event
*button_event
;
3268 int x
= XFASTINT (button_event
->x
);
3269 int y
= XFASTINT (button_event
->y
);
3271 if (button_event
->modifiers
& down_modifier
)
3272 handle_tool_bar_click (f
, x
, y
, 1, 0);
3274 handle_tool_bar_click (f
, x
, y
, 0,
3275 button_event
->modifiers
& ~up_modifier
);
3280 /***********************************************************************
3282 ***********************************************************************/
3284 /* Scroll bar support. */
3286 /* Given a window ID, find the struct scroll_bar which manages it.
3287 This can be called in GC, so we have to make sure to strip off mark
3290 static struct scroll_bar
*
3291 x_window_to_scroll_bar (window_id
)
3296 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3298 Lisp_Object frame
, bar
, condemned
;
3300 frame
= XCAR (tail
);
3301 /* All elements of Vframe_list should be frames. */
3302 if (! FRAMEP (frame
))
3305 /* Scan this frame's scroll bar list for a scroll bar with the
3307 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3308 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3309 /* This trick allows us to search both the ordinary and
3310 condemned scroll bar lists with one loop. */
3311 ! NILP (bar
) || (bar
= condemned
,
3314 bar
= XSCROLL_BAR (bar
)->next
)
3315 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3316 return XSCROLL_BAR (bar
);
3324 /* Set the thumb size and position of scroll bar BAR. We are currently
3325 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3328 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3329 struct scroll_bar
*bar
;
3330 int portion
, position
, whole
;
3332 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3333 /* We use the whole scroll-bar height in the calculations below, to
3334 avoid strange effects like scrolling backwards when just clicking
3335 on the handle (without moving it). */
3336 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3337 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3338 int sb_page
, sb_pos
;
3339 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3342 /* We used to change the nPage setting while dragging the handle,
3343 but that had very strange effects (such as scrolling backwards
3344 while dragging downwards).
3346 Now, we don't change the nPage setting while dragging unless we
3347 get near to the end of the buffer, in which case we often have to
3348 resize the handle to "go all the way". */
3354 si
.cbSize
= sizeof (si
);
3355 si
.fMask
= SIF_POS
| SIF_PAGE
;
3356 GetScrollInfo(w
, SB_CTL
, &si
);
3357 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3365 /* Position scroll bar at rock bottom if the bottom of the
3366 buffer is visible. This avoids shinking the thumb away
3367 to nothing if it is held at the bottom of the buffer. */
3368 if (position
+ portion
>= whole
&& !draggingp
)
3370 sb_page
= range
* (whole
- position
) / whole
;
3375 sb_pos
= position
* range
/ whole
;
3376 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3385 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3389 si
.cbSize
= sizeof (si
);
3390 si
.fMask
= SIF_PAGE
| SIF_POS
;
3394 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3400 /************************************************************************
3401 Scroll bars, general
3402 ************************************************************************/
3405 my_create_scrollbar (f
, bar
)
3407 struct scroll_bar
* bar
;
3409 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3410 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3414 /*#define ATTACH_THREADS*/
3417 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3419 #ifndef ATTACH_THREADS
3420 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3421 (WPARAM
) hwnd
, (LPARAM
) how
);
3423 return ShowWindow (hwnd
, how
);
3428 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3429 int x
, int y
, int cx
, int cy
, UINT flags
)
3431 #ifndef ATTACH_THREADS
3433 pos
.hwndInsertAfter
= hwndAfter
;
3439 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3441 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3446 my_set_focus (f
, hwnd
)
3450 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3455 my_set_foreground_window (hwnd
)
3458 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3463 my_destroy_window (f
, hwnd
)
3467 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3471 /* Create a scroll bar and return the scroll bar vector for it. W is
3472 the Emacs window on which to create the scroll bar. TOP, LEFT,
3473 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3476 static struct scroll_bar
*
3477 x_scroll_bar_create (w
, top
, left
, width
, height
)
3479 int top
, left
, width
, height
;
3481 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3484 struct scroll_bar
*bar
3485 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3489 XSETWINDOW (bar
->window
, w
);
3490 XSETINT (bar
->top
, top
);
3491 XSETINT (bar
->left
, left
);
3492 XSETINT (bar
->width
, width
);
3493 XSETINT (bar
->height
, height
);
3494 XSETINT (bar
->start
, 0);
3495 XSETINT (bar
->end
, 0);
3496 bar
->dragging
= Qnil
;
3497 bar
->fringe_extended_p
= Qnil
;
3499 /* Requires geometry to be set before call to create the real window */
3501 hwnd
= my_create_scrollbar (f
, bar
);
3503 si
.cbSize
= sizeof (si
);
3506 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3507 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3511 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3513 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3515 /* Add bar to its frame's list of scroll bars. */
3516 bar
->next
= FRAME_SCROLL_BARS (f
);
3518 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3519 if (! NILP (bar
->next
))
3520 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3528 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3532 x_scroll_bar_remove (bar
)
3533 struct scroll_bar
*bar
;
3535 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3539 /* Destroy the window. */
3540 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3542 /* Disassociate this scroll bar from its window. */
3543 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3548 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3549 that we are displaying PORTION characters out of a total of WHOLE
3550 characters, starting at POSITION. If WINDOW has no scroll bar,
3553 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3555 int portion
, whole
, position
;
3557 struct frame
*f
= XFRAME (w
->frame
);
3558 struct scroll_bar
*bar
;
3559 int top
, height
, left
, sb_left
, width
, sb_width
;
3560 int window_y
, window_height
;
3561 int fringe_extended_p
;
3563 /* Get window dimensions. */
3564 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3566 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3567 height
= window_height
;
3569 /* Compute the left edge of the scroll bar area. */
3570 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3572 /* Compute the width of the scroll bar which might be less than
3573 the width of the area reserved for the scroll bar. */
3574 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3575 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3579 /* Compute the left edge of the scroll bar. */
3580 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3581 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3583 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3585 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3586 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3587 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3588 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3589 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3591 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3592 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3593 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3594 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3596 /* Does the scroll bar exist yet? */
3597 if (NILP (w
->vertical_scroll_bar
))
3601 if (width
> 0 && height
> 0)
3603 hdc
= get_frame_dc (f
);
3604 if (fringe_extended_p
)
3605 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3607 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3608 release_frame_dc (f
, hdc
);
3612 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3616 /* It may just need to be moved and resized. */
3619 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3620 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3622 /* If already correctly positioned, do nothing. */
3623 if ( XINT (bar
->left
) == sb_left
3624 && XINT (bar
->top
) == top
3625 && XINT (bar
->width
) == sb_width
3626 && XINT (bar
->height
) == height
3627 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3629 /* Redraw after clear_frame. */
3630 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3631 InvalidateRect (hwnd
, NULL
, FALSE
);
3639 if (width
&& height
)
3641 hdc
= get_frame_dc (f
);
3642 /* Since Windows scroll bars are smaller than the space reserved
3643 for them on the frame, we have to clear "under" them. */
3644 if (fringe_extended_p
)
3645 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3647 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3648 release_frame_dc (f
, hdc
);
3650 /* Make sure scroll bar is "visible" before moving, to ensure the
3651 area of the parent window now exposed will be refreshed. */
3652 my_show_window (f
, hwnd
, SW_HIDE
);
3653 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3654 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3655 max (height
, 1), TRUE
);
3657 si
.cbSize
= sizeof (si
);
3658 si
.fMask
= SIF_RANGE
;
3660 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3661 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3663 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3665 my_show_window (f
, hwnd
, SW_NORMAL
);
3666 /* InvalidateRect (w, NULL, FALSE); */
3668 /* Remember new settings. */
3669 XSETINT (bar
->left
, sb_left
);
3670 XSETINT (bar
->top
, top
);
3671 XSETINT (bar
->width
, sb_width
);
3672 XSETINT (bar
->height
, height
);
3677 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3679 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3681 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3685 /* The following three hooks are used when we're doing a thorough
3686 redisplay of the frame. We don't explicitly know which scroll bars
3687 are going to be deleted, because keeping track of when windows go
3688 away is a real pain - "Can you say set-window-configuration, boys
3689 and girls?" Instead, we just assert at the beginning of redisplay
3690 that *all* scroll bars are to be removed, and then save a scroll bar
3691 from the fiery pit when we actually redisplay its window. */
3693 /* Arrange for all scroll bars on FRAME to be removed at the next call
3694 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3695 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3698 w32_condemn_scroll_bars (frame
)
3701 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3702 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3705 bar
= FRAME_SCROLL_BARS (frame
);
3706 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3707 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3708 XSCROLL_BAR (bar
)->prev
= Qnil
;
3709 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3710 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3711 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3716 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3717 Note that WINDOW isn't necessarily condemned at all. */
3720 w32_redeem_scroll_bar (window
)
3721 struct window
*window
;
3723 struct scroll_bar
*bar
;
3726 /* We can't redeem this window's scroll bar if it doesn't have one. */
3727 if (NILP (window
->vertical_scroll_bar
))
3730 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3732 /* Unlink it from the condemned list. */
3733 f
= XFRAME (WINDOW_FRAME (window
));
3734 if (NILP (bar
->prev
))
3736 /* If the prev pointer is nil, it must be the first in one of
3738 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3739 /* It's not condemned. Everything's fine. */
3741 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3742 window
->vertical_scroll_bar
))
3743 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3745 /* If its prev pointer is nil, it must be at the front of
3746 one or the other! */
3750 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3752 if (! NILP (bar
->next
))
3753 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3755 bar
->next
= FRAME_SCROLL_BARS (f
);
3757 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3758 if (! NILP (bar
->next
))
3759 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3762 /* Remove all scroll bars on FRAME that haven't been saved since the
3763 last call to `*condemn_scroll_bars_hook'. */
3766 w32_judge_scroll_bars (f
)
3769 Lisp_Object bar
, next
;
3771 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3773 /* Clear out the condemned list now so we won't try to process any
3774 more events on the hapless scroll bars. */
3775 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3777 for (; ! NILP (bar
); bar
= next
)
3779 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3781 x_scroll_bar_remove (b
);
3784 b
->next
= b
->prev
= Qnil
;
3787 /* Now there should be no references to the condemned scroll bars,
3788 and they should get garbage-collected. */
3791 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3792 is set to something other than NO_EVENT, it is enqueued.
3794 This may be called from a signal handler, so we have to ignore GC
3798 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3799 struct scroll_bar
*bar
;
3801 struct input_event
*emacs_event
;
3803 if (! WINDOWP (bar
->window
))
3806 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3807 emacs_event
->code
= 0;
3808 /* not really meaningful to distinguish up/down */
3809 emacs_event
->modifiers
= msg
->dwModifiers
;
3810 emacs_event
->frame_or_window
= bar
->window
;
3811 emacs_event
->arg
= Qnil
;
3812 emacs_event
->timestamp
= msg
->msg
.time
;
3815 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3817 int dragging
= !NILP (bar
->dragging
);
3820 si
.cbSize
= sizeof (si
);
3823 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3826 bar
->dragging
= Qnil
;
3829 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3831 switch (LOWORD (msg
->msg
.wParam
))
3834 emacs_event
->part
= scroll_bar_down_arrow
;
3837 emacs_event
->part
= scroll_bar_up_arrow
;
3840 emacs_event
->part
= scroll_bar_above_handle
;
3843 emacs_event
->part
= scroll_bar_below_handle
;
3846 emacs_event
->part
= scroll_bar_handle
;
3850 emacs_event
->part
= scroll_bar_handle
;
3854 case SB_THUMBPOSITION
:
3855 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3856 y
= HIWORD (msg
->msg
.wParam
);
3858 emacs_event
->part
= scroll_bar_handle
;
3860 /* "Silently" update current position. */
3864 si
.cbSize
= sizeof (si
);
3867 /* Remember apparent position (we actually lag behind the real
3868 position, so don't set that directly. */
3869 last_scroll_bar_drag_pos
= y
;
3871 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3875 /* If this is the end of a drag sequence, then reset the scroll
3876 handle size to normal and do a final redraw. Otherwise do
3881 int start
= XINT (bar
->start
);
3882 int end
= XINT (bar
->end
);
3884 si
.cbSize
= sizeof (si
);
3885 si
.fMask
= SIF_PAGE
| SIF_POS
;
3886 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3887 si
.nPos
= last_scroll_bar_drag_pos
;
3888 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3892 emacs_event
->kind
= NO_EVENT
;
3896 XSETINT (emacs_event
->x
, y
);
3897 XSETINT (emacs_event
->y
, top_range
);
3903 /* Return information to the user about the current position of the mouse
3904 on the scroll bar. */
3907 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
3909 Lisp_Object
*bar_window
;
3910 enum scroll_bar_part
*part
;
3912 unsigned long *time
;
3914 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3915 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3916 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3918 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3924 *bar_window
= bar
->window
;
3926 si
.cbSize
= sizeof (si
);
3927 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3929 GetScrollInfo (w
, SB_CTL
, &si
);
3931 top_range
= si
.nMax
- si
.nPage
+ 1;
3933 switch (LOWORD (last_mouse_scroll_bar_pos
))
3935 case SB_THUMBPOSITION
:
3937 *part
= scroll_bar_handle
;
3938 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3939 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3942 *part
= scroll_bar_handle
;
3946 *part
= scroll_bar_handle
;
3951 XSETINT (*y
, top_range
);
3954 last_mouse_scroll_bar
= Qnil
;
3956 *time
= last_mouse_movement_time
;
3962 /* The screen has been cleared so we may have changed foreground or
3963 background colors, and the scroll bars may need to be redrawn.
3964 Clear out the scroll bars, and ask for expose events, so we can
3968 x_scroll_bar_clear (f
)
3973 /* We can have scroll bars even if this is 0,
3974 if we just turned off scroll bar mode.
3975 But in that case we should not clear them. */
3976 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
3977 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3978 bar
= XSCROLL_BAR (bar
)->next
)
3980 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
3981 HDC hdc
= GetDC (window
);
3984 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
3985 arranges to refresh the scroll bar if hidden. */
3986 my_show_window (f
, window
, SW_HIDE
);
3988 GetClientRect (window
, &rect
);
3989 select_palette (f
, hdc
);
3990 w32_clear_rect (f
, hdc
, &rect
);
3991 deselect_palette (f
, hdc
);
3993 ReleaseDC (window
, hdc
);
3998 /* The main W32 event-reading loop - w32_read_socket. */
4000 /* Record the last 100 characters stored
4001 to help debug the loss-of-chars-during-GC problem. */
4003 static int temp_index
;
4004 static short temp_buffer
[100];
4006 /* Temporarily store lead byte of DBCS input sequences. */
4007 static char dbcs_lead
= 0;
4009 /* Read events coming from the W32 shell.
4010 This routine is called by the SIGIO handler.
4011 We return as soon as there are no more events to be read.
4013 We return the number of characters stored into the buffer,
4014 thus pretending to be `read'.
4016 EXPECTED is nonzero if the caller knows input is available.
4018 Some of these messages are reposted back to the message queue since the
4019 system calls the windows proc directly in a context where we cannot return
4020 the data nor can we guarantee the state we are in. So if we dispatch them
4021 we will get into an infinite loop. To prevent this from ever happening we
4022 will set a variable to indicate we are in the read_socket call and indicate
4023 which message we are processing since the windows proc gets called
4024 recursively with different messages by the system.
4028 w32_read_socket (sd
, expected
, hold_quit
)
4031 struct input_event
*hold_quit
;
4034 int check_visibility
= 0;
4037 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4039 if (interrupt_input_blocked
)
4041 interrupt_input_pending
= 1;
4045 interrupt_input_pending
= 0;
4048 /* So people can tell when we have read the available input. */
4049 input_signal_count
++;
4051 /* TODO: ghostscript integration. */
4052 while (get_next_msg (&msg
, FALSE
))
4054 struct input_event inev
;
4058 inev
.kind
= NO_EVENT
;
4061 switch (msg
.msg
.message
)
4064 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4068 if (msg
.rect
.right
== msg
.rect
.left
||
4069 msg
.rect
.bottom
== msg
.rect
.top
)
4071 /* We may get paint messages even though the client
4072 area is clipped - these are not expose events. */
4073 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4076 else if (f
->async_visible
!= 1)
4078 /* Definitely not obscured, so mark as visible. */
4079 f
->async_visible
= 1;
4080 f
->async_iconified
= 0;
4081 SET_FRAME_GARBAGED (f
);
4082 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4085 /* WM_PAINT serves as MapNotify as well, so report
4086 visibility changes properly. */
4089 inev
.kind
= DEICONIFY_EVENT
;
4090 XSETFRAME (inev
.frame_or_window
, f
);
4092 else if (! NILP (Vframe_list
)
4093 && ! NILP (XCDR (Vframe_list
)))
4094 /* Force a redisplay sooner or later to update the
4095 frame titles in case this is the second frame. */
4096 record_asynch_buffer_change ();
4100 HDC hdc
= get_frame_dc (f
);
4102 /* Erase background again for safety. */
4103 w32_clear_rect (f
, hdc
, &msg
.rect
);
4104 release_frame_dc (f
, hdc
);
4108 msg
.rect
.right
- msg
.rect
.left
,
4109 msg
.rect
.bottom
- msg
.rect
.top
);
4114 case WM_INPUTLANGCHANGE
:
4115 /* Generate a language change event. */
4116 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4120 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4121 XSETFRAME (inev
.frame_or_window
, f
);
4122 inev
.code
= msg
.msg
.wParam
;
4123 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4129 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4131 if (f
&& !f
->iconified
)
4133 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4134 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4136 clear_mouse_face (dpyinfo
);
4137 dpyinfo
->mouse_face_hidden
= 1;
4140 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4142 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4143 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4144 inev
.code
= msg
.msg
.wParam
;
4145 inev
.modifiers
= msg
.dwModifiers
;
4146 XSETFRAME (inev
.frame_or_window
, f
);
4147 inev
.timestamp
= msg
.msg
.time
;
4154 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4156 if (f
&& !f
->iconified
)
4158 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4159 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4161 clear_mouse_face (dpyinfo
);
4162 dpyinfo
->mouse_face_hidden
= 1;
4165 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4167 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4169 inev
.modifiers
= msg
.dwModifiers
;
4170 XSETFRAME (inev
.frame_or_window
, f
);
4171 inev
.timestamp
= msg
.msg
.time
;
4173 if (msg
.msg
.message
== WM_UNICHAR
)
4175 inev
.code
= msg
.msg
.wParam
;
4177 else if (msg
.msg
.wParam
< 256)
4182 dbcs
[1] = (char) msg
.msg
.wParam
;
4186 dbcs
[0] = dbcs_lead
;
4188 if (!MultiByteToWideChar (CP_ACP
, 0, dbcs
, 2, &code
, 1))
4191 DebPrint (("Invalid DBCS sequence: %d %d\n",
4193 inev
.kind
= NO_EVENT
;
4197 else if (IsDBCSLeadByteEx (CP_ACP
, (BYTE
) msg
.msg
.wParam
))
4199 dbcs_lead
= (char) msg
.msg
.wParam
;
4200 inev
.kind
= NO_EVENT
;
4205 if (!MultiByteToWideChar (CP_ACP
, 0, &dbcs
[1], 1,
4208 /* What to do with garbage? */
4209 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4210 inev
.kind
= NO_EVENT
;
4218 /* Windows shouldn't generate WM_CHAR events above 0xFF
4219 in non-Unicode message handlers. */
4220 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4221 inev
.kind
= NO_EVENT
;
4224 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4225 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4230 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4232 if (f
&& !f
->iconified
)
4234 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4235 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4237 clear_mouse_face (dpyinfo
);
4238 dpyinfo
->mouse_face_hidden
= 1;
4241 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4243 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4244 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4245 inev
.code
= GET_APPCOMMAND_LPARAM(msg
.msg
.lParam
);
4246 inev
.modifiers
= msg
.dwModifiers
;
4247 XSETFRAME (inev
.frame_or_window
, f
);
4248 inev
.timestamp
= msg
.msg
.time
;
4253 /* Ignore non-movement. */
4255 int x
= LOWORD (msg
.msg
.lParam
);
4256 int y
= HIWORD (msg
.msg
.lParam
);
4257 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4259 last_mousemove_x
= x
;
4260 last_mousemove_y
= y
;
4263 previous_help_echo_string
= help_echo_string
;
4264 help_echo_string
= Qnil
;
4266 if (dpyinfo
->grabbed
&& last_mouse_frame
4267 && FRAME_LIVE_P (last_mouse_frame
))
4268 f
= last_mouse_frame
;
4270 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4272 if (dpyinfo
->mouse_face_hidden
)
4274 dpyinfo
->mouse_face_hidden
= 0;
4275 clear_mouse_face (dpyinfo
);
4280 /* Generate SELECT_WINDOW_EVENTs when needed. */
4281 if (!NILP (Vmouse_autoselect_window
))
4284 int x
= LOWORD (msg
.msg
.lParam
);
4285 int y
= HIWORD (msg
.msg
.lParam
);
4287 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4289 /* Window will be selected only when it is not
4290 selected now and last mouse movement event was
4291 not in it. Minibuffer window will be selected
4292 only when it is active. */
4294 && !EQ (window
, last_window
)
4295 && !EQ (window
, selected_window
)
4296 /* For click-to-focus window managers
4297 create event iff we don't leave the
4299 && (focus_follows_mouse
4300 || (EQ (XWINDOW (window
)->frame
,
4301 XWINDOW (selected_window
)->frame
))))
4303 inev
.kind
= SELECT_WINDOW_EVENT
;
4304 inev
.frame_or_window
= window
;
4309 if (!note_mouse_movement (f
, &msg
.msg
))
4310 help_echo_string
= previous_help_echo_string
;
4314 /* If we move outside the frame, then we're
4315 certainly no longer on any text in the frame. */
4316 clear_mouse_face (dpyinfo
);
4319 /* If the contents of the global variable help_echo_string
4320 has changed, generate a HELP_EVENT. */
4321 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4322 But it was originally changed to this to fix a bug, so I have
4323 not removed it completely in case the bug is still there. */
4324 if (help_echo_string
!= previous_help_echo_string
||
4325 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4326 #else /* This is what xterm.c does. */
4327 if (!NILP (help_echo_string
)
4328 || !NILP (previous_help_echo_string
))
4333 case WM_LBUTTONDOWN
:
4335 case WM_MBUTTONDOWN
:
4337 case WM_RBUTTONDOWN
:
4339 case WM_XBUTTONDOWN
:
4342 /* If we decide we want to generate an event to be seen
4343 by the rest of Emacs, we put it here. */
4348 if (dpyinfo
->grabbed
&& last_mouse_frame
4349 && FRAME_LIVE_P (last_mouse_frame
))
4350 f
= last_mouse_frame
;
4352 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4356 construct_mouse_click (&inev
, &msg
, f
);
4358 /* Is this in the tool-bar? */
4359 if (WINDOWP (f
->tool_bar_window
)
4360 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4363 int x
= XFASTINT (inev
.x
);
4364 int y
= XFASTINT (inev
.y
);
4366 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4368 if (EQ (window
, f
->tool_bar_window
))
4370 w32_handle_tool_bar_click (f
, &inev
);
4376 || (dpyinfo
->w32_focus_frame
4377 && f
!= dpyinfo
->w32_focus_frame
))
4378 inev
.kind
= NO_EVENT
;
4381 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4386 dpyinfo
->grabbed
&= ~ (1 << button
);
4390 dpyinfo
->grabbed
|= (1 << button
);
4391 last_mouse_frame
= f
;
4392 /* Ignore any mouse motion that happened
4393 before this event; any subsequent mouse-movement
4394 Emacs events should reflect only motion after
4400 last_tool_bar_item
= -1;
4406 case WM_MOUSEHWHEEL
:
4408 if (dpyinfo
->grabbed
&& last_mouse_frame
4409 && FRAME_LIVE_P (last_mouse_frame
))
4410 f
= last_mouse_frame
;
4412 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4417 if (!dpyinfo
->w32_focus_frame
4418 || f
== dpyinfo
->w32_focus_frame
)
4420 /* Emit an Emacs wheel-up/down event. */
4421 construct_mouse_wheel (&inev
, &msg
, f
);
4423 /* Ignore any mouse motion that happened before this
4424 event; any subsequent mouse-movement Emacs events
4425 should reflect only motion after the
4429 last_mouse_frame
= f
;
4430 last_tool_bar_item
= -1;
4435 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4438 construct_drag_n_drop (&inev
, &msg
, f
);
4443 struct scroll_bar
*bar
=
4444 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4447 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4451 case WM_WINDOWPOSCHANGED
:
4452 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4455 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4456 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4458 check_visibility
= 1;
4462 case WM_ACTIVATEAPP
:
4463 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4465 x_check_fullscreen (f
);
4466 check_visibility
= 1;
4470 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4472 if (f
&& !f
->async_iconified
)
4476 x_real_positions (f
, &x
, &y
);
4481 check_visibility
= 1;
4485 /* wParam non-zero means Window is about to be shown, 0 means
4486 about to be hidden. */
4487 /* Redo the mouse-highlight after the tooltip has gone. */
4488 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4491 redo_mouse_highlight ();
4494 /* If window has been obscured or exposed by another window
4495 being maximised or minimised/restored, then recheck
4496 visibility of all frames. Direct changes to our own
4497 windows get handled by WM_SIZE. */
4499 if (msg
.msg
.lParam
!= 0)
4500 check_visibility
= 1;
4503 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4504 f
->async_visible
= msg
.msg
.wParam
;
4508 check_visibility
= 1;
4512 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4514 /* Inform lisp of whether frame has been iconified etc. */
4517 switch (msg
.msg
.wParam
)
4519 case SIZE_MINIMIZED
:
4520 f
->async_visible
= 0;
4521 f
->async_iconified
= 1;
4523 inev
.kind
= ICONIFY_EVENT
;
4524 XSETFRAME (inev
.frame_or_window
, f
);
4527 case SIZE_MAXIMIZED
:
4529 f
->async_visible
= 1;
4530 f
->async_iconified
= 0;
4532 /* wait_reading_process_output will notice this and update
4533 the frame's display structures. */
4534 SET_FRAME_GARBAGED (f
);
4540 /* Reset top and left positions of the Window
4541 here since Windows sends a WM_MOVE message
4542 BEFORE telling us the Window is minimized
4543 when the Window is iconified, with 3000,3000
4545 x_real_positions (f
, &x
, &y
);
4549 inev
.kind
= DEICONIFY_EVENT
;
4550 XSETFRAME (inev
.frame_or_window
, f
);
4552 else if (! NILP (Vframe_list
)
4553 && ! NILP (XCDR (Vframe_list
)))
4554 /* Force a redisplay sooner or later
4555 to update the frame titles
4556 in case this is the second frame. */
4557 record_asynch_buffer_change ();
4562 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4570 GetClientRect (msg
.msg
.hwnd
, &rect
);
4572 height
= rect
.bottom
- rect
.top
;
4573 width
= rect
.right
- rect
.left
;
4575 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4576 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4578 /* TODO: Clip size to the screen dimensions. */
4580 /* Even if the number of character rows and columns has
4581 not changed, the font size may have changed, so we need
4582 to check the pixel dimensions as well. */
4584 if (columns
!= FRAME_COLS (f
)
4585 || rows
!= FRAME_LINES (f
)
4586 || width
!= FRAME_PIXEL_WIDTH (f
)
4587 || height
!= FRAME_PIXEL_HEIGHT (f
))
4589 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4590 SET_FRAME_GARBAGED (f
);
4591 cancel_mouse_face (f
);
4592 FRAME_PIXEL_WIDTH (f
) = width
;
4593 FRAME_PIXEL_HEIGHT (f
) = height
;
4594 f
->win_gravity
= NorthWestGravity
;
4598 check_visibility
= 1;
4602 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4605 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4607 /* If we move outside the frame, then we're
4608 certainly no longer on any text in the frame. */
4609 clear_mouse_face (dpyinfo
);
4610 dpyinfo
->mouse_face_mouse_frame
= 0;
4613 /* Generate a nil HELP_EVENT to cancel a help-echo.
4614 Do it only if there's something to cancel.
4615 Otherwise, the startup message is cleared when
4616 the mouse leaves the frame. */
4617 if (any_help_event_p
)
4623 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4625 dpyinfo
->grabbed
= 0;
4626 check_visibility
= 1;
4630 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4634 if (f
== dpyinfo
->w32_focus_event_frame
)
4635 dpyinfo
->w32_focus_event_frame
= 0;
4637 if (f
== dpyinfo
->w32_focus_frame
)
4638 x_new_focus_frame (dpyinfo
, 0);
4640 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4642 /* If we move outside the frame, then we're
4643 certainly no longer on any text in the frame. */
4644 clear_mouse_face (dpyinfo
);
4645 dpyinfo
->mouse_face_mouse_frame
= 0;
4648 /* Generate a nil HELP_EVENT to cancel a help-echo.
4649 Do it only if there's something to cancel.
4650 Otherwise, the startup message is cleared when
4651 the mouse leaves the frame. */
4652 if (any_help_event_p
)
4656 dpyinfo
->grabbed
= 0;
4657 check_visibility
= 1;
4661 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4665 inev
.kind
= DELETE_WINDOW_EVENT
;
4666 XSETFRAME (inev
.frame_or_window
, f
);
4671 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4675 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4676 XSETFRAME (inev
.frame_or_window
, f
);
4681 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4685 extern void menubar_selection_callback
4686 (FRAME_PTR f
, void * client_data
);
4687 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4690 check_visibility
= 1;
4693 case WM_DISPLAYCHANGE
:
4694 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4698 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4699 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4700 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4701 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4705 check_visibility
= 1;
4709 /* Check for messages registered at runtime. */
4710 if (msg
.msg
.message
== msh_mousewheel
)
4712 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4713 msg
.msg
.message
= WM_MOUSEWHEEL
;
4719 if (inev
.kind
!= NO_EVENT
)
4721 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4726 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4731 XSETFRAME (frame
, f
);
4737 if (NILP (help_echo_string
))
4739 help_echo_object
= help_echo_window
= Qnil
;
4743 any_help_event_p
= 1;
4744 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4745 help_echo_object
, help_echo_pos
);
4749 help_echo_string
= Qnil
;
4750 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4756 /* If the focus was just given to an autoraising frame,
4758 /* ??? This ought to be able to handle more than one such frame. */
4759 if (pending_autoraise_frame
)
4761 x_raise_frame (pending_autoraise_frame
);
4762 pending_autoraise_frame
= 0;
4765 /* Check which frames are still visisble, if we have enqueued any user
4766 events or been notified of events that may affect visibility. We
4767 do this here because there doesn't seem to be any direct
4768 notification from Windows that the visibility of a window has
4769 changed (at least, not in all cases). */
4770 if (count
> 0 || check_visibility
)
4772 Lisp_Object tail
, frame
;
4774 FOR_EACH_FRAME (tail
, frame
)
4776 FRAME_PTR f
= XFRAME (frame
);
4777 /* The tooltip has been drawn already. Avoid the
4778 SET_FRAME_GARBAGED below. */
4779 if (EQ (frame
, tip_frame
))
4782 /* Check "visible" frames and mark each as obscured or not.
4783 Note that async_visible is nonzero for unobscured and
4784 obscured frames, but zero for hidden and iconified frames. */
4785 if (FRAME_W32_P (f
) && f
->async_visible
)
4791 /* Query clipping rectangle for the entire window area
4792 (GetWindowDC), not just the client portion (GetDC).
4793 Otherwise, the scrollbars and menubar aren't counted as
4794 part of the visible area of the frame, and we may think
4795 the frame is obscured when really a scrollbar is still
4796 visible and gets WM_PAINT messages above. */
4797 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4798 GetClipBox (hdc
, &clipbox
);
4799 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4802 if (clipbox
.right
== clipbox
.left
4803 || clipbox
.bottom
== clipbox
.top
)
4805 /* Frame has become completely obscured so mark as
4806 such (we do this by setting async_visible to 2 so
4807 that FRAME_VISIBLE_P is still true, but redisplay
4809 f
->async_visible
= 2;
4811 if (!FRAME_OBSCURED_P (f
))
4813 DebPrint (("frame %p (%s) obscured\n", f
,
4819 /* Frame is not obscured, so mark it as such. */
4820 f
->async_visible
= 1;
4822 if (FRAME_OBSCURED_P (f
))
4824 SET_FRAME_GARBAGED (f
);
4825 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4828 /* Force a redisplay sooner or later. */
4829 record_asynch_buffer_change ();
4842 /***********************************************************************
4844 ***********************************************************************/
4846 /* Set clipping for output in glyph row ROW. W is the window in which
4847 we operate. GC is the graphics context to set clipping in.
4849 ROW may be a text row or, e.g., a mode line. Text rows must be
4850 clipped to the interior of the window dedicated to text display,
4851 mode lines must be clipped to the whole window. */
4854 w32_clip_to_row (w
, row
, area
, hdc
)
4856 struct glyph_row
*row
;
4860 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4862 int window_x
, window_y
, window_width
;
4864 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4866 clip_rect
.left
= window_x
;
4867 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4868 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4869 clip_rect
.right
= clip_rect
.left
+ window_width
;
4870 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4872 w32_set_clip_rectangle (hdc
, &clip_rect
);
4876 /* Draw a hollow box cursor on window W in glyph row ROW. */
4879 x_draw_hollow_cursor (w
, row
)
4881 struct glyph_row
*row
;
4883 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4887 struct glyph
*cursor_glyph
;
4888 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4890 /* Get the glyph the cursor is on. If we can't tell because
4891 the current matrix is invalid or such, give up. */
4892 cursor_glyph
= get_phys_cursor_glyph (w
);
4893 if (cursor_glyph
== NULL
)
4896 /* Compute frame-relative coordinates for phys cursor. */
4897 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4900 rect
.bottom
= rect
.top
+ h
;
4901 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4903 hdc
= get_frame_dc (f
);
4904 /* Set clipping, draw the rectangle, and reset clipping again. */
4905 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4906 FrameRect (hdc
, &rect
, hb
);
4908 w32_set_clip_rectangle (hdc
, NULL
);
4909 release_frame_dc (f
, hdc
);
4913 /* Draw a bar cursor on window W in glyph row ROW.
4915 Implementation note: One would like to draw a bar cursor with an
4916 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4917 Unfortunately, I didn't find a font yet that has this property set.
4921 x_draw_bar_cursor (w
, row
, width
, kind
)
4923 struct glyph_row
*row
;
4925 enum text_cursor_kinds kind
;
4927 struct frame
*f
= XFRAME (w
->frame
);
4928 struct glyph
*cursor_glyph
;
4932 /* If cursor is out of bounds, don't draw garbage. This can happen
4933 in mini-buffer windows when switching between echo area glyphs
4935 cursor_glyph
= get_phys_cursor_glyph (w
);
4936 if (cursor_glyph
== NULL
)
4939 /* If on an image, draw like a normal cursor. That's usually better
4940 visible than drawing a bar, esp. if the image is large so that
4941 the bar might not be in the window. */
4942 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4944 struct glyph_row
*row
;
4945 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4946 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4950 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4951 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4953 /* If the glyph's background equals the color we normally draw
4954 the bar cursor in, the bar cursor in its normal color is
4955 invisible. Use the glyph's foreground color instead in this
4956 case, on the assumption that the glyph's colors are chosen so
4957 that the glyph is legible. */
4958 if (face
->background
== cursor_color
)
4959 cursor_color
= face
->foreground
;
4961 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4964 width
= FRAME_CURSOR_WIDTH (f
);
4965 width
= min (cursor_glyph
->pixel_width
, width
);
4967 w
->phys_cursor_width
= width
;
4970 hdc
= get_frame_dc (f
);
4971 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4973 if (kind
== BAR_CURSOR
)
4975 w32_fill_area (f
, hdc
, cursor_color
, x
,
4976 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
4977 width
, row
->height
);
4981 w32_fill_area (f
, hdc
, cursor_color
, x
,
4982 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
4983 row
->height
- width
),
4984 cursor_glyph
->pixel_width
, width
);
4987 w32_set_clip_rectangle (hdc
, NULL
);
4988 release_frame_dc (f
, hdc
);
4993 /* RIF: Define cursor CURSOR on frame F. */
4996 w32_define_frame_cursor (f
, cursor
)
5000 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5004 /* RIF: Clear area on frame F. */
5007 w32_clear_frame_area (f
, x
, y
, width
, height
)
5009 int x
, y
, width
, height
;
5013 hdc
= get_frame_dc (f
);
5014 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5015 release_frame_dc (f
, hdc
);
5018 /* RIF: Draw or clear cursor on window W. */
5021 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5023 struct glyph_row
*glyph_row
;
5025 int cursor_type
, cursor_width
;
5030 /* If the user wants to use the system caret, make sure our own
5031 cursor remains invisible. */
5032 if (w32_use_visible_system_caret
)
5034 /* Call to erase_phys_cursor here seems to use the
5035 wrong values of w->phys_cursor, as they have been
5036 overwritten before this function was called. */
5037 if (w
->phys_cursor_type
!= NO_CURSOR
)
5038 erase_phys_cursor (w
);
5040 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5041 w
->phys_cursor_width
= -1;
5045 w
->phys_cursor_type
= cursor_type
;
5048 w
->phys_cursor_on_p
= 1;
5050 /* If this is the active cursor, we need to track it with the
5051 system caret, so third party software like screen magnifiers
5052 and speech synthesizers can follow the cursor. */
5055 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5056 HWND hwnd
= FRAME_W32_WINDOW (f
);
5059 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5061 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5062 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5064 /* If the size of the active cursor changed, destroy the old
5066 if (w32_system_caret_hwnd
5067 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5068 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5070 w32_system_caret_height
= w
->phys_cursor_height
;
5072 /* Move the system caret. */
5073 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5076 if (glyph_row
->exact_window_width_line_p
5077 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5079 glyph_row
->cursor_in_fringe_p
= 1;
5080 draw_fringe_bitmap (w
, glyph_row
, 0);
5084 switch (cursor_type
)
5086 case HOLLOW_BOX_CURSOR
:
5087 x_draw_hollow_cursor (w
, glyph_row
);
5090 case FILLED_BOX_CURSOR
:
5091 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5095 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5099 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5103 w
->phys_cursor_width
= 0;
5117 x_bitmap_icon (f
, icon
)
5122 HANDLE small_icon
= NULL
;
5124 if (FRAME_W32_WINDOW (f
) == 0)
5128 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5129 else if (STRINGP (icon
))
5131 /* Load the main icon from the named file. */
5132 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5133 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5134 /* Try to load a small icon to go with it. */
5135 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5136 GetSystemMetrics (SM_CXSMICON
),
5137 GetSystemMetrics (SM_CYSMICON
),
5140 else if (SYMBOLP (icon
))
5144 if (EQ (icon
, intern ("application")))
5145 name
= (LPCTSTR
) IDI_APPLICATION
;
5146 else if (EQ (icon
, intern ("hand")))
5147 name
= (LPCTSTR
) IDI_HAND
;
5148 else if (EQ (icon
, intern ("question")))
5149 name
= (LPCTSTR
) IDI_QUESTION
;
5150 else if (EQ (icon
, intern ("exclamation")))
5151 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5152 else if (EQ (icon
, intern ("asterisk")))
5153 name
= (LPCTSTR
) IDI_ASTERISK
;
5154 else if (EQ (icon
, intern ("winlogo")))
5155 name
= (LPCTSTR
) IDI_WINLOGO
;
5159 main_icon
= LoadIcon (NULL
, name
);
5164 if (main_icon
== NULL
)
5167 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5168 (LPARAM
) main_icon
);
5170 /* If there is a small icon that goes with it, set that too. */
5172 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5173 (LPARAM
) small_icon
);
5179 /************************************************************************
5181 ************************************************************************/
5183 /* Display Error Handling functions not used on W32. Listing them here
5184 helps diff stay in step when comparing w32term.c with xterm.c.
5186 x_error_catcher (display, error)
5187 x_catch_errors (dpy)
5188 x_catch_errors_unwind (old_val)
5189 x_check_errors (dpy, format)
5190 x_fully_uncatch_errors ()
5191 x_catching_errors ()
5192 x_had_errors_p (dpy)
5193 x_clear_errors (dpy)
5194 x_uncatch_errors (dpy, count)
5196 x_connection_signal (signalnum)
5197 x_connection_closed (dpy, error_message)
5198 x_error_quitter (display, error)
5199 x_error_handler (display, error)
5200 x_io_error_quitter (display)
5205 /* Changing the font of the frame. */
5208 x_new_font (f
, font_object
, fontset
)
5210 Lisp_Object font_object
;
5213 struct font
*font
= XFONT_OBJECT (font_object
);
5216 fontset
= fontset_from_font (font_object
);
5217 FRAME_FONTSET (f
) = fontset
;
5218 if (FRAME_FONT (f
) == font
)
5219 /* This font is already set in frame F. There's nothing more to
5221 return fontset_name (fontset
);
5225 FRAME_FONT (f
) = font
;
5226 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5227 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5228 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5229 FRAME_LINE_HEIGHT (f
) = font
->height
;
5231 compute_fringe_widths (f
, 1);
5233 /* Compute the scroll bar width in character columns. */
5234 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5236 int wid
= FRAME_COLUMN_WIDTH (f
);
5237 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5238 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5242 int wid
= FRAME_COLUMN_WIDTH (f
);
5243 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5246 /* Now make the frame display the given font. */
5247 if (FRAME_X_WINDOW (f
) != 0)
5249 /* Don't change the size of a tip frame; there's no point in
5250 doing it because it's done in Fx_show_tip, and it leads to
5251 problems because the tip frame has no widget. */
5252 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5253 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5258 && (FRAME_XIC_STYLE (f
) & (XIMPreeditPosition
| XIMStatusArea
)))
5259 xic_set_xfontset (f
, SDATA (fontset_ascii (fontset
)));
5264 return fontset_name (fontset
);
5268 /***********************************************************************
5269 TODO: W32 Input Methods
5270 ***********************************************************************/
5271 /* Listing missing functions from xterm.c helps diff stay in step.
5273 xim_destroy_callback (xim, client_data, call_data)
5274 xim_open_dpy (dpyinfo, resource_name)
5276 xim_instantiate_callback (display, client_data, call_data)
5277 xim_initialize (dpyinfo, resource_name)
5278 xim_close_dpy (dpyinfo)
5283 /* Calculate the absolute position in frame F
5284 from its current recorded position values and gravity. */
5287 x_calc_absolute_position (f
)
5290 int flags
= f
->size_hint_flags
;
5292 /* The sum of the widths of the frame's left and right borders, and
5293 the sum of the heights of the frame's top and bottom borders (in
5294 pixels) drawn by Windows. */
5295 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5297 /* Try to get the actual values of these two variables. We compute
5298 the border width (height) by subtracting the width (height) of
5299 the frame's client area from the width (height) of the frame's
5301 WINDOWPLACEMENT wp
= { 0 };
5302 RECT client_rect
= { 0 };
5304 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5305 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5307 left_right_borders_width
=
5308 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5309 (client_rect
.right
- client_rect
.left
);
5311 top_bottom_borders_height
=
5312 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5313 (client_rect
.bottom
- client_rect
.top
);
5317 /* Use sensible default values. */
5318 left_right_borders_width
= 8;
5319 top_bottom_borders_height
= 32;
5322 /* Treat negative positions as relative to the rightmost bottommost
5323 position that fits on the screen. */
5324 if (flags
& XNegative
)
5325 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5326 - FRAME_PIXEL_WIDTH (f
)
5328 - (left_right_borders_width
- 1));
5330 if (flags
& YNegative
)
5331 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5332 - FRAME_PIXEL_HEIGHT (f
)
5334 - (top_bottom_borders_height
- 1));
5336 /* The left_pos and top_pos are now relative to the top and left
5337 screen edges, so the flags should correspond. */
5338 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5341 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5342 to really change the position, and 0 when calling from
5343 x_make_frame_visible (in that case, XOFF and YOFF are the current
5344 position values). It is -1 when calling from x_set_frame_parameters,
5345 which means, do adjust for borders but don't change the gravity. */
5348 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5350 register int xoff
, yoff
;
5353 int modified_top
, modified_left
;
5355 if (change_gravity
> 0)
5359 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5361 f
->size_hint_flags
|= XNegative
;
5363 f
->size_hint_flags
|= YNegative
;
5364 f
->win_gravity
= NorthWestGravity
;
5366 x_calc_absolute_position (f
);
5369 x_wm_set_size_hint (f
, (long) 0, 0);
5371 modified_left
= f
->left_pos
;
5372 modified_top
= f
->top_pos
;
5374 my_set_window_pos (FRAME_W32_WINDOW (f
),
5376 modified_left
, modified_top
,
5378 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5383 /* Check if we need to resize the frame due to a fullscreen request.
5384 If so needed, resize the frame. */
5386 x_check_fullscreen (f
)
5389 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5391 int width
, height
, ign
;
5393 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5395 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5397 /* We do not need to move the window, it shall be taken care of
5398 when setting WM manager hints. */
5399 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5401 change_frame_size (f
, height
, width
, 0, 1, 0);
5402 SET_FRAME_GARBAGED (f
);
5403 cancel_mouse_face (f
);
5405 /* Wait for the change of frame size to occur */
5406 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5411 /* Call this to change the size of frame F's x-window.
5412 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5413 for this size change and subsequent size changes.
5414 Otherwise we leave the window gravity unchanged. */
5417 x_set_window_size (f
, change_gravity
, cols
, rows
)
5422 int pixelwidth
, pixelheight
;
5426 check_frame_size (f
, &rows
, &cols
);
5427 f
->scroll_bar_actual_width
5428 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5430 compute_fringe_widths (f
, 0);
5432 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5433 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5435 f
->win_gravity
= NorthWestGravity
;
5436 x_wm_set_size_hint (f
, (long) 0, 0);
5441 rect
.left
= rect
.top
= 0;
5442 rect
.right
= pixelwidth
;
5443 rect
.bottom
= pixelheight
;
5445 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5446 FRAME_EXTERNAL_MENU_BAR (f
));
5448 my_set_window_pos (FRAME_W32_WINDOW (f
),
5451 rect
.right
- rect
.left
,
5452 rect
.bottom
- rect
.top
,
5453 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5457 /* The following mirrors what is done in xterm.c. It appears to be
5458 for informing lisp of the new size immediately, while the actual
5459 resize will happen asynchronously. But on Windows, the menu bar
5460 automatically wraps when the frame is too narrow to contain it,
5461 and that causes any calculations made here to come out wrong. The
5462 end is some nasty buggy behavior, including the potential loss
5465 Disabling this code is either not sufficient to fix the problems
5466 completely, or it causes fresh problems, but at least it removes
5467 the most problematic symptom of the minibuffer becoming unusable.
5469 -----------------------------------------------------------------
5471 Now, strictly speaking, we can't be sure that this is accurate,
5472 but the window manager will get around to dealing with the size
5473 change request eventually, and we'll hear how it went when the
5474 ConfigureNotify event gets here.
5476 We could just not bother storing any of this information here,
5477 and let the ConfigureNotify event set everything up, but that
5478 might be kind of confusing to the Lisp code, since size changes
5479 wouldn't be reported in the frame parameters until some random
5480 point in the future when the ConfigureNotify event arrives.
5482 We pass 1 for DELAY since we can't run Lisp code inside of
5484 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5485 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5486 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5488 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5489 receive in the ConfigureNotify event; if we get what we asked
5490 for, then the event won't cause the screen to become garbaged, so
5491 we have to make sure to do it here. */
5492 SET_FRAME_GARBAGED (f
);
5494 /* If cursor was outside the new size, mark it as off. */
5495 mark_window_cursors_off (XWINDOW (f
->root_window
));
5497 /* Clear out any recollection of where the mouse highlighting was,
5498 since it might be in a place that's outside the new frame size.
5499 Actually checking whether it is outside is a pain in the neck,
5500 so don't try--just let the highlighting be done afresh with new size. */
5501 cancel_mouse_face (f
);
5507 /* Mouse warping. */
5509 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5512 x_set_mouse_position (f
, x
, y
)
5518 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5519 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5521 if (pix_x
< 0) pix_x
= 0;
5522 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5524 if (pix_y
< 0) pix_y
= 0;
5525 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5527 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5531 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5540 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5541 pt
.x
= rect
.left
+ pix_x
;
5542 pt
.y
= rect
.top
+ pix_y
;
5543 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5545 SetCursorPos (pt
.x
, pt
.y
);
5551 /* focus shifting, raising and lowering. */
5554 x_focus_on_frame (f
)
5557 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5559 /* Give input focus to frame. */
5562 /* Try not to change its Z-order if possible. */
5563 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5564 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5567 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5577 /* Raise frame F. */
5584 /* Strictly speaking, raise-frame should only change the frame's Z
5585 order, leaving input focus unchanged. This is reasonable behavior
5586 on X where the usual policy is point-to-focus. However, this
5587 behavior would be very odd on Windows where the usual policy is
5590 On X, if the mouse happens to be over the raised frame, it gets
5591 input focus anyway (so the window with focus will never be
5592 completely obscured) - if not, then just moving the mouse over it
5593 is sufficient to give it focus. On Windows, the user must actually
5594 click on the frame (preferrably the title bar so as not to move
5595 point), which is more awkward. Also, no other Windows program
5596 raises a window to the top but leaves another window (possibly now
5597 completely obscured) with input focus.
5599 Because there is a system setting on Windows that allows the user
5600 to choose the point to focus policy, we make the strict semantics
5601 optional, but by default we grab focus when raising. */
5603 if (NILP (Vw32_grab_focus_on_raise
))
5605 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5606 not already the foreground application: the frame is raised
5607 above all other frames belonging to us, but not above the
5608 current top window. To achieve that, we have to resort to this
5609 more cumbersome method. */
5611 HDWP handle
= BeginDeferWindowPos (2);
5614 DeferWindowPos (handle
,
5615 FRAME_W32_WINDOW (f
),
5618 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5620 DeferWindowPos (handle
,
5621 GetForegroundWindow (),
5622 FRAME_W32_WINDOW (f
),
5624 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5626 EndDeferWindowPos (handle
);
5631 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5637 /* Lower frame F. */
5643 my_set_window_pos (FRAME_W32_WINDOW (f
),
5646 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5651 w32_frame_raise_lower (f
, raise_flag
)
5655 if (! FRAME_W32_P (f
))
5664 /* Change of visibility. */
5666 /* This tries to wait until the frame is really visible.
5667 However, if the window manager asks the user where to position
5668 the frame, this will return before the user finishes doing that.
5669 The frame will not actually be visible at that time,
5670 but it will become visible later when the window manager
5671 finishes with it. */
5674 x_make_frame_visible (f
)
5681 type
= x_icon_type (f
);
5683 x_bitmap_icon (f
, type
);
5685 if (! FRAME_VISIBLE_P (f
))
5687 /* We test FRAME_GARBAGED_P here to make sure we don't
5688 call x_set_offset a second time
5689 if we get to x_make_frame_visible a second time
5690 before the window gets really visible. */
5691 if (! FRAME_ICONIFIED_P (f
)
5692 && ! f
->output_data
.w32
->asked_for_visible
)
5697 /* Adjust vertical window position in order to avoid being
5698 covered by a task bar placed at the bottom of the desktop. */
5699 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5700 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5701 if (window_rect
.bottom
> workarea_rect
.bottom
5702 && window_rect
.top
> workarea_rect
.top
)
5703 f
->top_pos
= max (window_rect
.top
5704 - window_rect
.bottom
+ workarea_rect
.bottom
,
5707 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5710 f
->output_data
.w32
->asked_for_visible
= 1;
5712 /* The first of these seems to give more expected behavior, but
5713 was added as a commented out line in Sept 1997, with the
5714 second version remaining uncommented. There may have been
5715 some problem with it that led to it not being enabled,
5716 so the old version remains commented out below in case we
5717 decide we need to go back to it [23.0.60 2008-06-09]. */
5718 my_show_window (f
, FRAME_W32_WINDOW (f
),
5719 f
->async_iconified
? SW_RESTORE
: SW_SHOW
);
5720 /* my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); */
5723 /* Synchronize to ensure Emacs knows the frame is visible
5724 before we do anything else. We do this loop with input not blocked
5725 so that incoming events are handled. */
5730 /* This must come after we set COUNT. */
5733 XSETFRAME (frame
, f
);
5735 /* Wait until the frame is visible. Process X events until a
5736 MapNotify event has been seen, or until we think we won't get a
5737 MapNotify at all.. */
5738 for (count
= input_signal_count
+ 10;
5739 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5741 /* Force processing of queued events. */
5742 /* TODO: x_sync equivalent? */
5744 /* Machines that do polling rather than SIGIO have been observed
5745 to go into a busy-wait here. So we'll fake an alarm signal
5746 to let the handler know that there's something to be read.
5747 We used to raise a real alarm, but it seems that the handler
5748 isn't always enabled here. This is probably a bug. */
5749 if (input_polling_used ())
5751 /* It could be confusing if a real alarm arrives while processing
5752 the fake one. Turn it off and let the handler reset it. */
5753 int old_poll_suppress_count
= poll_suppress_count
;
5754 poll_suppress_count
= 1;
5755 poll_for_input_1 ();
5756 poll_suppress_count
= old_poll_suppress_count
;
5759 FRAME_SAMPLE_VISIBILITY (f
);
5763 /* Change from mapped state to withdrawn state. */
5765 /* Make the frame visible (mapped and not iconified). */
5767 x_make_frame_invisible (f
)
5770 /* Don't keep the highlight on an invisible frame. */
5771 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5772 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5776 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5778 /* We can't distinguish this from iconification
5779 just by the event that we get from the server.
5780 So we can't win using the usual strategy of letting
5781 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5782 and synchronize with the server to make sure we agree. */
5784 FRAME_ICONIFIED_P (f
) = 0;
5785 f
->async_visible
= 0;
5786 f
->async_iconified
= 0;
5791 /* Change window state from mapped to iconified. */
5799 /* Don't keep the highlight on an invisible frame. */
5800 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5801 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5803 if (f
->async_iconified
)
5808 type
= x_icon_type (f
);
5810 x_bitmap_icon (f
, type
);
5812 /* Simulate the user minimizing the frame. */
5813 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5819 /* Free X resources of frame F. */
5822 x_free_frame_resources (f
)
5825 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5829 /* We must free faces before destroying windows because some
5830 font-driver (e.g. xft) access a window while finishing a
5832 if (FRAME_FACE_CACHE (f
))
5833 free_frame_faces (f
);
5835 if (FRAME_W32_WINDOW (f
))
5836 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5838 free_frame_menubar (f
);
5840 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5841 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5842 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5843 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5844 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5845 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5846 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5847 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5848 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5849 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5851 if (FRAME_FACE_CACHE (f
))
5852 free_frame_faces (f
);
5854 xfree (f
->output_data
.w32
);
5855 f
->output_data
.w32
= NULL
;
5857 if (f
== dpyinfo
->w32_focus_frame
)
5858 dpyinfo
->w32_focus_frame
= 0;
5859 if (f
== dpyinfo
->w32_focus_event_frame
)
5860 dpyinfo
->w32_focus_event_frame
= 0;
5861 if (f
== dpyinfo
->x_highlight_frame
)
5862 dpyinfo
->x_highlight_frame
= 0;
5864 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5866 dpyinfo
->mouse_face_beg_row
5867 = dpyinfo
->mouse_face_beg_col
= -1;
5868 dpyinfo
->mouse_face_end_row
5869 = dpyinfo
->mouse_face_end_col
= -1;
5870 dpyinfo
->mouse_face_window
= Qnil
;
5871 dpyinfo
->mouse_face_deferred_gc
= 0;
5872 dpyinfo
->mouse_face_mouse_frame
= 0;
5879 /* Destroy the window of frame F. */
5881 x_destroy_window (f
)
5884 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5886 x_free_frame_resources (f
);
5887 dpyinfo
->reference_count
--;
5891 /* Setting window manager hints. */
5893 /* Set the normal size hints for the window manager, for frame F.
5894 FLAGS is the flags word to use--or 0 meaning preserve the flags
5895 that the window now has.
5896 If USER_POSITION is nonzero, we set the USPosition
5897 flag (this is useful when FLAGS is 0). */
5899 x_wm_set_size_hint (f
, flags
, user_position
)
5904 Window window
= FRAME_W32_WINDOW (f
);
5908 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5909 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5910 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5911 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5916 /* Window manager things */
5918 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5923 Window window
= FRAME_W32_WINDOW (f
);
5925 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5926 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5927 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5929 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5934 /***********************************************************************
5936 ***********************************************************************/
5938 static int w32_initialized
= 0;
5941 w32_initialize_display_info (display_name
)
5942 Lisp_Object display_name
;
5944 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5946 bzero (dpyinfo
, sizeof (*dpyinfo
));
5948 /* Put it on w32_display_name_list. */
5949 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5950 w32_display_name_list
);
5951 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
5953 dpyinfo
->w32_id_name
5954 = (char *) xmalloc (SCHARS (Vinvocation_name
)
5955 + SCHARS (Vsystem_name
)
5957 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
5958 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
5960 /* Default Console mode values - overridden when running in GUI mode
5961 with values obtained from system metrics. */
5964 dpyinfo
->height_in
= 1;
5965 dpyinfo
->width_in
= 1;
5966 dpyinfo
->n_planes
= 1;
5967 dpyinfo
->n_cbits
= 4;
5968 dpyinfo
->n_fonts
= 0;
5969 dpyinfo
->smallest_font_height
= 1;
5970 dpyinfo
->smallest_char_width
= 1;
5972 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
5973 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
5974 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
5975 dpyinfo
->mouse_face_window
= Qnil
;
5976 dpyinfo
->mouse_face_overlay
= Qnil
;
5977 dpyinfo
->mouse_face_hidden
= 0;
5979 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
5980 /* TODO: dpyinfo->gray */
5984 /* Create an xrdb-style database of resources to supercede registry settings.
5985 The database is just a concatenation of C strings, finished by an additional
5986 \0. The strings are submitted to some basic normalization, so
5988 [ *]option[ *]:[ *]value...
5994 but any whitespace following value is not removed. */
5997 w32_make_rdb (xrm_option
)
6000 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6001 char *current
= buffer
;
6004 int before_value
= 0;
6018 if (in_option
&& (ch
== ':'))
6023 else if (before_value
)
6028 else if (!(in_option
|| before_value
))
6040 x_flush (struct frame
* f
)
6041 { /* Nothing to do */ }
6044 extern frame_parm_handler w32_frame_parm_handlers
[];
6046 static struct redisplay_interface w32_redisplay_interface
=
6048 w32_frame_parm_handlers
,
6052 x_clear_end_of_line
,
6054 x_after_update_window_line
,
6055 x_update_window_begin
,
6056 x_update_window_end
,
6059 0, /* flush_display_optional */
6060 x_clear_window_mouse_face
,
6061 x_get_glyph_overhangs
,
6062 x_fix_overlapping_area
,
6063 w32_draw_fringe_bitmap
,
6064 w32_define_fringe_bitmap
,
6065 w32_destroy_fringe_bitmap
,
6066 w32_compute_glyph_string_overhangs
,
6067 x_draw_glyph_string
,
6068 w32_define_frame_cursor
,
6069 w32_clear_frame_area
,
6070 w32_draw_window_cursor
,
6071 w32_draw_vertical_window_border
,
6072 w32_shift_glyphs_for_insert
6075 static void x_delete_terminal (struct terminal
*term
);
6077 static struct terminal
*
6078 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6080 struct terminal
*terminal
;
6082 terminal
= create_terminal ();
6084 terminal
->type
= output_w32
;
6085 terminal
->display_info
.w32
= dpyinfo
;
6086 dpyinfo
->terminal
= terminal
;
6088 /* MSVC does not type K&R functions with no arguments correctly, and
6089 so we must explicitly cast them. */
6090 terminal
->clear_frame_hook
= x_clear_frame
;
6091 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6092 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6093 terminal
->ring_bell_hook
= w32_ring_bell
;
6094 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6095 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6096 terminal
->update_begin_hook
= x_update_begin
;
6097 terminal
->update_end_hook
= x_update_end
;
6098 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6099 terminal
->read_socket_hook
= w32_read_socket
;
6100 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6101 terminal
->mouse_position_hook
= w32_mouse_position
;
6102 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6103 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6104 // terminal->fullscreen_hook = XTfullscreen_hook;
6105 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6106 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6107 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6108 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6110 terminal
->delete_frame_hook
= x_destroy_window
;
6111 terminal
->delete_terminal_hook
= x_delete_terminal
;
6113 terminal
->rif
= &w32_redisplay_interface
;
6114 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6115 terminal
->char_ins_del_ok
= 1;
6116 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6117 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6118 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6122 /* We don't yet support separate terminals on W32, so don't try to share
6123 keyboards between virtual terminals that are on the same physical
6124 terminal like X does. */
6125 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6126 init_kboard (terminal
->kboard
);
6127 terminal
->kboard
->Vwindow_system
= intern ("w32");
6128 terminal
->kboard
->next_kboard
= all_kboards
;
6129 all_kboards
= terminal
->kboard
;
6130 /* Don't let the initial kboard remain current longer than necessary.
6131 That would cause problems if a file loaded on startup tries to
6132 prompt in the mini-buffer. */
6133 if (current_kboard
== initial_kboard
)
6134 current_kboard
= terminal
->kboard
;
6135 terminal
->kboard
->reference_count
++;
6142 x_delete_terminal (struct terminal
*terminal
)
6144 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6147 /* Protect against recursive calls. Fdelete_frame in
6148 delete_terminal calls us back when it deletes our last frame. */
6149 if (!terminal
->name
)
6154 x_delete_display (dpyinfo
);
6158 struct w32_display_info
*
6159 w32_term_init (display_name
, xrm_option
, resource_name
)
6160 Lisp_Object display_name
;
6162 char *resource_name
;
6164 struct w32_display_info
*dpyinfo
;
6165 struct terminal
*terminal
;
6170 if (!w32_initialized
)
6173 w32_initialized
= 1;
6176 w32_initialize_display_info (display_name
);
6178 dpyinfo
= &one_w32_display_info
;
6179 terminal
= w32_create_terminal (dpyinfo
);
6181 /* Set the name of the terminal. */
6182 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6183 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6184 terminal
->name
[SBYTES (display_name
)] = 0;
6186 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6188 /* Put this display on the chain. */
6189 dpyinfo
->next
= x_display_list
;
6190 x_display_list
= dpyinfo
;
6192 hdc
= GetDC (GetDesktopWindow ());
6194 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6195 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6196 dpyinfo
->root_window
= GetDesktopWindow ();
6197 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6198 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6199 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6200 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6201 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6202 dpyinfo
->terminal
->image_cache
= make_image_cache ();
6203 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6204 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6205 ReleaseDC (GetDesktopWindow (), hdc
);
6207 /* initialise palette with white and black */
6210 w32_defined_color (0, "white", &color
, 1);
6211 w32_defined_color (0, "black", &color
, 1);
6214 /* Add the default keyboard. */
6215 add_keyboard_wait_descriptor (0);
6217 /* Create Fringe Bitmaps and store them for later use.
6219 On W32, bitmaps are all unsigned short, as Windows requires
6220 bitmap data to be Word aligned. For some reason they are
6221 horizontally reflected compared to how they appear on X, so we
6222 need to bitswap and convert to unsigned shorts before creating
6224 w32_init_fringe (terminal
->rif
);
6227 fcntl (connection
, F_SETOWN
, getpid ());
6228 #endif /* ! defined (F_SETOWN) */
6231 if (interrupt_input
)
6232 init_sigio (connection
);
6233 #endif /* ! defined (SIGIO) */
6240 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6242 x_delete_display (dpyinfo
)
6243 struct w32_display_info
*dpyinfo
;
6245 /* Discard this display from w32_display_name_list and w32_display_list.
6246 We can't use Fdelq because that can quit. */
6247 if (! NILP (w32_display_name_list
)
6248 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6249 w32_display_name_list
= XCDR (w32_display_name_list
);
6254 tail
= w32_display_name_list
;
6255 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6257 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6259 XSETCDR (tail
, XCDR (XCDR (tail
)));
6266 /* free palette table */
6268 struct w32_palette_entry
* plist
;
6270 plist
= dpyinfo
->color_list
;
6273 struct w32_palette_entry
* pentry
= plist
;
6274 plist
= plist
->next
;
6277 dpyinfo
->color_list
= NULL
;
6278 if (dpyinfo
->palette
)
6279 DeleteObject(dpyinfo
->palette
);
6281 xfree (dpyinfo
->w32_id_name
);
6283 w32_reset_fringes ();
6286 /* Set up use of W32. */
6288 DWORD WINAPI
w32_msg_worker (void * arg
);
6295 w32_system_caret_hwnd
= NULL
;
6296 w32_system_caret_height
= 0;
6297 w32_system_caret_x
= 0;
6298 w32_system_caret_y
= 0;
6300 /* Initialize w32_use_visible_system_caret based on whether a screen
6301 reader is in use. */
6302 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6303 &w32_use_visible_system_caret
, 0))
6304 w32_use_visible_system_caret
= 0;
6306 last_tool_bar_item
= -1;
6307 any_help_event_p
= 0;
6309 /* Initialize input mode: interrupt_input off, no flow control, allow
6310 8 bit character input, standard quit char. */
6311 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6313 /* Create the window thread - it will terminate itself or when the app terminates */
6317 dwMainThreadId
= GetCurrentThreadId ();
6318 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6319 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6321 /* Wait for thread to start */
6326 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6328 hWindowsThread
= CreateThread (NULL
, 0,
6330 0, 0, &dwWindowsThreadId
);
6332 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6335 /* It is desirable that mainThread should have the same notion of
6336 focus window and active window as windowsThread. Unfortunately, the
6337 following call to AttachThreadInput, which should do precisely what
6338 we need, causes major problems when Emacs is linked as a console
6339 program. Unfortunately, we have good reasons for doing that, so
6340 instead we need to send messages to windowsThread to make some API
6341 calls for us (ones that affect, or depend on, the active/focus
6343 #ifdef ATTACH_THREADS
6344 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6347 /* Dynamically link to optional system components. */
6349 UINT smoothing_type
;
6350 BOOL smoothing_enabled
;
6352 HANDLE user_lib
= LoadLibrary ("user32.dll");
6354 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6356 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6360 FreeLibrary (user_lib
);
6362 /* Ensure scrollbar handle is at least 5 pixels. */
6363 vertical_scroll_bar_min_handle
= 5;
6365 /* For either kind of scroll bar, take account of the arrows; these
6366 effectively form the border of the main scroll bar range. */
6367 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6368 = GetSystemMetrics (SM_CYVSCROLL
);
6370 /* Constants that are not always defined by the system headers
6371 since they only exist on certain versions of Windows. */
6372 #ifndef SPI_GETFONTSMOOTHING
6373 #define SPI_GETFONTSMOOTHING 0x4A
6375 #ifndef SPI_GETFONTSMOOTHINGTYPE
6376 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6378 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6379 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6382 /* Determine if Cleartype is in use. Used to enable a hack in
6383 the char metric calculations which adds extra pixels to
6384 compensate for the "sub-pixels" that are not counted by the
6387 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6388 && smoothing_enabled
6389 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6390 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6397 staticpro (&w32_display_name_list
);
6398 w32_display_name_list
= Qnil
;
6400 staticpro (&last_mouse_scroll_bar
);
6401 last_mouse_scroll_bar
= Qnil
;
6403 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6405 DEFVAR_INT ("w32-num-mouse-buttons",
6406 &w32_num_mouse_buttons
,
6407 doc
: /* Number of physical mouse buttons. */);
6408 w32_num_mouse_buttons
= 2;
6410 DEFVAR_LISP ("w32-swap-mouse-buttons",
6411 &Vw32_swap_mouse_buttons
,
6412 doc
: /* Swap the mapping of middle and right mouse buttons.
6413 When nil, middle button is mouse-2 and right button is mouse-3. */);
6414 Vw32_swap_mouse_buttons
= Qnil
;
6416 DEFVAR_LISP ("w32-grab-focus-on-raise",
6417 &Vw32_grab_focus_on_raise
,
6418 doc
: /* Raised frame grabs input focus.
6419 When t, `raise-frame' grabs input focus as well. This fits well
6420 with the normal Windows click-to-focus policy, but might not be
6421 desirable when using a point-to-focus policy. */);
6422 Vw32_grab_focus_on_raise
= Qt
;
6424 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6425 &Vw32_capslock_is_shiftlock
,
6426 doc
: /* Apply CapsLock state to non character input keys.
6427 When nil, CapsLock only affects normal character input keys. */);
6428 Vw32_capslock_is_shiftlock
= Qnil
;
6430 DEFVAR_LISP ("w32-recognize-altgr",
6431 &Vw32_recognize_altgr
,
6432 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6433 When nil, the right-alt and left-ctrl key combination is
6434 interpreted normally. */);
6435 Vw32_recognize_altgr
= Qt
;
6437 DEFVAR_BOOL ("w32-enable-unicode-output",
6438 &w32_enable_unicode_output
,
6439 doc
: /* Enable the use of Unicode for text output if non-nil.
6440 Unicode output may prevent some third party applications for displaying
6441 Far-East Languages on Windows 95/98 from working properly.
6442 NT uses Unicode internally anyway, so this flag will probably have no
6443 effect on NT machines. */);
6444 w32_enable_unicode_output
= 1;
6446 DEFVAR_BOOL ("w32-use-visible-system-caret",
6447 &w32_use_visible_system_caret
,
6448 doc
: /* Flag to make the system caret visible.
6449 When this is non-nil, Emacs will indicate the position of point by
6450 using the system caret instead of drawing its own cursor. Some screen
6451 reader software does not track the system cursor properly when it is
6452 invisible, and gets confused by Emacs drawing its own cursor, so this
6453 variable is initialized to t when Emacs detects that screen reader
6454 software is running as it starts up.
6456 When this variable is set, other variables affecting the appearance of
6457 the cursor have no effect. */);
6459 w32_use_visible_system_caret
= 0;
6461 /* We don't yet support this, but defining this here avoids whining
6462 from cus-start.el and other places, like "M-x set-variable". */
6463 DEFVAR_BOOL ("x-use-underline-position-properties",
6464 &x_use_underline_position_properties
,
6465 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6466 A value of nil means ignore them. If you encounter fonts with bogus
6467 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6468 to 4.1, set this to nil.
6470 NOTE: Not supported on MS-Windows yet. */);
6471 x_use_underline_position_properties
= 0;
6473 DEFVAR_BOOL ("x-underline-at-descent-line",
6474 &x_underline_at_descent_line
,
6475 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6476 A value of nil means to draw the underline according to the value of the
6477 variable `x-use-underline-position-properties', which is usually at the
6478 baseline level. The default value is nil. */);
6479 x_underline_at_descent_line
= 0;
6481 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6482 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6483 Vx_toolkit_scroll_bars
= Qt
;
6485 staticpro (&last_mouse_motion_frame
);
6486 last_mouse_motion_frame
= Qnil
;
6489 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6490 (do not change this comment) */