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 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, or (at your option)
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; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
29 #include "blockinput.h"
48 #include "dispextern.h"
50 #include "termhooks.h"
57 #include "intervals.h"
58 #include "composite.h"
61 #define abs(x) ((x) < 0 ? -(x) : (x))
66 static int max_fringe_bmp
= 0;
67 static HBITMAP
*fringe_bmp
= 0;
69 /* Non-nil means Emacs uses toolkit scroll bars. */
71 Lisp_Object Vx_toolkit_scroll_bars
;
73 /* Temporary variables for w32_read_socket. */
75 static int last_mousemove_x
= 0;
76 static int last_mousemove_y
= 0;
78 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
79 #ifndef GET_WHEEL_DELTA_WPARAM
80 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
83 /* Non-zero means that a HELP_EVENT has been generated since Emacs
86 static int any_help_event_p
;
88 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
89 static Lisp_Object last_window
;
91 /* Non-zero means make use of UNDERLINE_POSITION font properties.
92 (Not yet supported, see TODO in x_draw_glyph_string.) */
93 int x_use_underline_position_properties
;
95 /* Non-zero means to draw the underline at the same place as the descent line. */
97 int x_underline_at_descent_line
;
99 extern unsigned int msh_mousewheel
;
101 extern void free_frame_menubar ();
103 extern int w32_codepage_for_font (char *fontname
);
104 extern Cursor
w32_load_cursor (LPCTSTR name
);
106 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
107 unsigned char *text
, int dim
);
108 extern Lisp_Object Vwindow_system
;
110 #define x_any_window_to_frame x_window_to_frame
111 #define x_top_window_to_frame x_window_to_frame
114 /* This is display since w32 does not support multiple ones. */
115 struct w32_display_info one_w32_display_info
;
116 struct w32_display_info
*x_display_list
;
118 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
119 one for each element of w32_display_list and in the same order.
120 NAME is the name of the frame.
121 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
122 Lisp_Object w32_display_name_list
;
124 /* Frame being updated by update_frame. This is declared in term.c.
125 This is set by update_begin and looked at by all the
126 w32 functions. It is zero while not inside an update.
127 In that case, the w32 functions assume that `SELECTED_FRAME ()'
128 is the frame to apply to. */
129 extern struct frame
*updating_frame
;
131 /* This is a frame waiting to be autoraised, within w32_read_socket. */
132 struct frame
*pending_autoraise_frame
;
134 /* The handle of the frame that currently owns the system caret. */
135 HWND w32_system_caret_hwnd
;
136 int w32_system_caret_height
;
137 int w32_system_caret_x
;
138 int w32_system_caret_y
;
139 int w32_use_visible_system_caret
;
141 /* Flag to enable Unicode output in case users wish to use programs
142 like Twinbridge on '95 rather than installed system level support
143 for Far East languages. */
144 int w32_enable_unicode_output
;
146 /* Flag to enable Cleartype hack for font metrics. */
147 static int cleartype_active
;
149 DWORD dwWindowsThreadId
= 0;
150 HANDLE hWindowsThread
= NULL
;
151 DWORD dwMainThreadId
= 0;
152 HANDLE hMainThread
= NULL
;
154 int vertical_scroll_bar_min_handle
;
155 int vertical_scroll_bar_top_border
;
156 int vertical_scroll_bar_bottom_border
;
158 int last_scroll_bar_drag_pos
;
160 /* Mouse movement. */
162 /* Where the mouse was last time we reported a mouse event. */
164 static RECT last_mouse_glyph
;
165 static FRAME_PTR last_mouse_glyph_frame
;
166 static Lisp_Object last_mouse_press_frame
;
168 int w32_num_mouse_buttons
;
170 Lisp_Object Vw32_swap_mouse_buttons
;
172 /* Control whether x_raise_frame also sets input focus. */
173 Lisp_Object Vw32_grab_focus_on_raise
;
175 /* Control whether Caps Lock affects non-ascii characters. */
176 Lisp_Object Vw32_capslock_is_shiftlock
;
178 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
179 Lisp_Object Vw32_recognize_altgr
;
181 /* The scroll bar in which the last motion event occurred.
183 If the last motion event occurred in a scroll bar, we set this
184 so w32_mouse_position can know whether to report a scroll bar motion or
187 If the last motion event didn't occur in a scroll bar, we set this
188 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
189 static Lisp_Object last_mouse_scroll_bar
;
190 static int last_mouse_scroll_bar_pos
;
192 /* This is a hack. We would really prefer that w32_mouse_position would
193 return the time associated with the position it returns, but there
194 doesn't seem to be any way to wrest the time-stamp from the server
195 along with the position query. So, we just keep track of the time
196 of the last movement we received, and return that in hopes that
197 it's somewhat accurate. */
199 static Time last_mouse_movement_time
;
201 /* Incremented by w32_read_socket whenever it really tries to read
205 static int volatile input_signal_count
;
207 static int input_signal_count
;
210 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
216 /* A mask of extra modifier bits to put into every keyboard char. */
218 extern EMACS_INT extra_keyboard_modifiers
;
220 static void x_update_window_end
P_ ((struct window
*, int, int));
221 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
222 struct input_event
*));
223 static void w32_define_cursor
P_ ((Window
, Cursor
));
225 void x_lower_frame
P_ ((struct frame
*));
226 void x_scroll_bar_clear
P_ ((struct frame
*));
227 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
228 void x_raise_frame
P_ ((struct frame
*));
229 void x_set_window_size
P_ ((struct frame
*, int, int, int));
230 void x_wm_set_window_state
P_ ((struct frame
*, int));
231 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
232 static void w32_initialize
P_ ((void));
233 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
234 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
235 static void x_update_end
P_ ((struct frame
*));
236 static void w32_frame_up_to_date
P_ ((struct frame
*));
237 static void w32_set_terminal_modes
P_ ((void));
238 static void w32_reset_terminal_modes
P_ ((void));
239 static void x_clear_frame
P_ ((void));
240 static void frame_highlight
P_ ((struct frame
*));
241 static void frame_unhighlight
P_ ((struct frame
*));
242 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
244 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
245 struct frame
*, struct input_event
*));
246 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
247 W32Msg
*, struct input_event
*));
248 static void w32_frame_rehighlight
P_ ((struct frame
*));
249 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
250 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
251 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
252 enum text_cursor_kinds
));
253 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
254 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
255 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
256 static void my_set_focus
P_ ((struct frame
*, HWND
));
257 static void my_set_foreground_window
P_ ((HWND
));
258 static void my_destroy_window
P_ ((struct frame
*, HWND
));
260 static Lisp_Object Qvendor_specific_keysyms
;
263 /***********************************************************************
265 ***********************************************************************/
269 /* This is a function useful for recording debugging information about
270 the sequence of occurrences in this file. */
278 struct record event_record
[100];
280 int event_record_index
;
282 record_event (locus
, type
)
286 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
287 event_record_index
= 0;
289 event_record
[event_record_index
].locus
= locus
;
290 event_record
[event_record_index
].type
= type
;
291 event_record_index
++;
298 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
301 if (mask
& GCForeground
)
302 gc
->foreground
= xgcv
->foreground
;
303 if (mask
& GCBackground
)
304 gc
->background
= xgcv
->background
;
306 gc
->font
= xgcv
->font
;
309 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
312 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
313 bzero (gc
, sizeof (XGCValues
));
315 XChangeGC (ignore
, gc
, mask
, xgcv
);
321 XGetGCValues (void* ignore
, XGCValues
*gc
,
322 unsigned long mask
, XGCValues
*xgcv
)
324 XChangeGC (ignore
, xgcv
, mask
, gc
);
328 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
332 HRGN clip_region
= CreateRectRgnIndirect (rect
);
333 SelectClipRgn (hdc
, clip_region
);
334 DeleteObject (clip_region
);
337 SelectClipRgn (hdc
, NULL
);
341 /* Draw a hollow rectangle at the specified position. */
343 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
344 int width
, int height
)
349 hb
= CreateSolidBrush (gc
->background
);
350 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
351 oldhb
= SelectObject (hdc
, hb
);
352 oldhp
= SelectObject (hdc
, hp
);
354 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
356 SelectObject (hdc
, oldhb
);
357 SelectObject (hdc
, oldhp
);
362 /* Draw a filled rectangle at the specified position. */
364 w32_fill_rect (f
, hdc
, pix
, lprect
)
372 hb
= CreateSolidBrush (pix
);
373 FillRect (hdc
, lprect
, hb
);
382 HDC hdc
= get_frame_dc (f
);
384 /* Under certain conditions, this can be called at startup with
385 a console frame pointer before the GUI frame is created. An HDC
386 of 0 indicates this. */
389 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
390 w32_clear_rect (f
, hdc
, &rect
);
393 release_frame_dc (f
, hdc
);
397 /***********************************************************************
398 Starting and ending an update
399 ***********************************************************************/
401 /* Start an update of frame F. This function is installed as a hook
402 for update_begin, i.e. it is called when update_begin is called.
403 This function is called prior to calls to x_update_window_begin for
404 each window being updated. */
410 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
412 if (! FRAME_W32_P (f
))
415 /* Regenerate display palette before drawing if list of requested
416 colors has changed. */
417 if (display_info
->regen_palette
)
419 w32_regenerate_palette (f
);
420 display_info
->regen_palette
= FALSE
;
425 /* Start update of window W. Set the global variable updated_window
426 to the window being updated and set output_cursor to the cursor
430 x_update_window_begin (w
)
433 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
434 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
436 /* Hide the system caret during an update. */
437 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
439 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
443 set_output_cursor (&w
->cursor
);
447 if (f
== display_info
->mouse_face_mouse_frame
)
449 /* Don't do highlighting for mouse motion during the update. */
450 display_info
->mouse_face_defer
= 1;
452 /* If F needs to be redrawn, simply forget about any prior mouse
454 if (FRAME_GARBAGED_P (f
))
455 display_info
->mouse_face_window
= Qnil
;
457 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
458 their mouse_face_p flag set, which means that they are always
459 unequal to rows in a desired matrix which never have that
460 flag set. So, rows containing mouse-face glyphs are never
461 scrolled, and we don't have to switch the mouse highlight off
462 here to prevent it from being scrolled. */
464 /* Can we tell that this update does not affect the window
465 where the mouse highlight is? If so, no need to turn off.
466 Likewise, don't do anything if the frame is garbaged;
467 in that case, the frame's current matrix that we would use
468 is all wrong, and we will redisplay that line anyway. */
469 if (!NILP (display_info
->mouse_face_window
)
470 && w
== XWINDOW (display_info
->mouse_face_window
))
474 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
475 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
478 if (i
< w
->desired_matrix
->nrows
)
479 clear_mouse_face (display_info
);
487 /* Draw a vertical window border from (x,y0) to (x,y1) */
490 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
494 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
504 hdc
= get_frame_dc (f
);
505 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
507 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
509 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
511 release_frame_dc (f
, hdc
);
515 /* End update of window W (which is equal to updated_window).
517 Draw vertical borders between horizontally adjacent windows, and
518 display W's cursor if CURSOR_ON_P is non-zero.
520 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
521 glyphs in mouse-face were overwritten. In that case we have to
522 make sure that the mouse-highlight is properly redrawn.
524 W may be a menu bar pseudo-window in case we don't have X toolkit
525 support. Such windows don't have a cursor, so don't display it
529 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
531 int cursor_on_p
, mouse_face_overwritten_p
;
533 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
535 if (!w
->pseudo_window_p
)
540 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
542 output_cursor
.x
, output_cursor
.y
);
544 if (draw_window_fringes (w
, 1))
545 x_draw_vertical_border (w
);
550 /* If a row with mouse-face was overwritten, arrange for
551 XTframe_up_to_date to redisplay the mouse highlight. */
552 if (mouse_face_overwritten_p
)
554 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
555 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
556 dpyinfo
->mouse_face_window
= Qnil
;
559 /* Unhide the caret. This won't actually show the cursor, unless it
560 was visible before the corresponding call to HideCaret in
561 x_update_window_begin. */
562 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
564 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
567 updated_window
= NULL
;
571 /* End update of frame F. This function is installed as a hook in
578 if (! FRAME_W32_P (f
))
581 /* Mouse highlight may be displayed again. */
582 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
586 /* This function is called from various places in xdisp.c whenever a
587 complete update has been performed. The global variable
588 updated_window is not available here. */
591 w32_frame_up_to_date (f
)
596 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
598 if (dpyinfo
->mouse_face_deferred_gc
599 || f
== dpyinfo
->mouse_face_mouse_frame
)
602 if (dpyinfo
->mouse_face_mouse_frame
)
603 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
604 dpyinfo
->mouse_face_mouse_x
,
605 dpyinfo
->mouse_face_mouse_y
);
606 dpyinfo
->mouse_face_deferred_gc
= 0;
613 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
614 arrow bitmaps, or clear the fringes if no bitmaps are required
615 before DESIRED_ROW is made current. The window being updated is
616 found in updated_window. This function is called from
617 update_window_line only if it is known that there are differences
618 between bitmaps to be drawn between current row and DESIRED_ROW. */
621 x_after_update_window_line (desired_row
)
622 struct glyph_row
*desired_row
;
624 struct window
*w
= updated_window
;
630 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
631 desired_row
->redraw_fringe_bitmaps_p
= 1;
633 /* When a window has disappeared, make sure that no rest of
634 full-width rows stays visible in the internal border. Could
635 check here if updated_window is the leftmost/rightmost window,
636 but I guess it's not worth doing since vertically split windows
637 are almost never used, internal border is rarely set, and the
638 overhead is very small. */
639 if (windows_or_buffers_changed
640 && desired_row
->full_width_p
641 && (f
= XFRAME (w
->frame
),
642 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
644 && (height
= desired_row
->visible_height
,
647 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
649 /* Internal border is drawn below the tool bar. */
650 if (WINDOWP (f
->tool_bar_window
)
651 && w
== XWINDOW (f
->tool_bar_window
))
656 HDC hdc
= get_frame_dc (f
);
657 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
658 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
660 release_frame_dc (f
, hdc
);
667 /* Draw the bitmap WHICH in one of the left or right fringes of
668 window W. ROW is the glyph row for which to display the bitmap; it
669 determines the vertical position at which the bitmap has to be
673 w32_draw_fringe_bitmap (w
, row
, p
)
675 struct glyph_row
*row
;
676 struct draw_fringe_bitmap_params
*p
;
678 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
680 struct face
*face
= p
->face
;
683 hdc
= get_frame_dc (f
);
687 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
689 /* If the fringe is adjacent to the left (right) scroll bar of a
690 leftmost (rightmost, respectively) window, then extend its
691 background to the gap between the fringe and the bar. */
692 if ((WINDOW_LEFTMOST_P (w
)
693 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
694 || (WINDOW_RIGHTMOST_P (w
)
695 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
697 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
701 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
702 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
703 * FRAME_COLUMN_WIDTH (f
));
707 /* Bitmap fills the fringe. */
708 if (left
+ width
== p
->x
)
709 bx
= left
+ sb_width
;
710 else if (p
->x
+ p
->wd
== left
)
714 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
716 nx
= width
- sb_width
;
717 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
719 ny
= row
->visible_height
;
724 if (left
+ width
== bx
)
726 bx
= left
+ sb_width
;
727 nx
+= width
- sb_width
;
729 else if (bx
+ nx
== left
)
730 nx
+= width
- sb_width
;
735 if (bx
>= 0 && nx
> 0)
736 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
739 /* Must clip because of partially visible lines. */
740 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
743 /* Adjust position of "bottom aligned" bitmap on partially
746 int oldVH
= row
->visible_height
;
747 row
->visible_height
= p
->h
;
748 row
->y
-= rowY
- p
->y
;
749 w32_clip_to_row (w
, row
, -1, hdc
);
751 row
->visible_height
= oldVH
;
754 w32_clip_to_row (w
, row
, -1, hdc
);
756 if (p
->which
&& p
->which
< max_fringe_bmp
)
758 HBITMAP pixmap
= fringe_bmp
[p
->which
];
762 compat_hdc
= CreateCompatibleDC (hdc
);
766 horig_obj
= SelectObject (compat_hdc
, pixmap
);
768 /* Paint overlays transparently. */
771 HBRUSH h_brush
, h_orig_brush
;
773 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
774 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
775 h_brush
= CreateSolidBrush (face
->foreground
);
776 h_orig_brush
= SelectObject (hdc
, h_brush
);
778 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
779 compat_hdc
, 0, p
->dh
,
781 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
782 compat_hdc
, 0, p
->dh
,
784 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
785 compat_hdc
, 0, p
->dh
,
788 SelectObject (hdc
, h_orig_brush
);
789 DeleteObject (h_brush
);
793 SetTextColor (hdc
, face
->background
);
794 SetBkColor (hdc
, (p
->cursor_p
795 ? f
->output_data
.w32
->cursor_pixel
796 : face
->foreground
));
798 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
799 compat_hdc
, 0, p
->dh
,
803 SelectObject (compat_hdc
, horig_obj
);
804 DeleteDC (compat_hdc
);
808 w32_set_clip_rectangle (hdc
, NULL
);
810 release_frame_dc (f
, hdc
);
814 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
816 unsigned short *bits
;
819 if (which
>= max_fringe_bmp
)
821 int i
= max_fringe_bmp
;
822 max_fringe_bmp
= which
+ 20;
823 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
824 while (i
< max_fringe_bmp
)
828 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
832 w32_destroy_fringe_bitmap (which
)
835 if (which
>= max_fringe_bmp
)
838 if (fringe_bmp
[which
])
839 DeleteObject (fringe_bmp
[which
]);
840 fringe_bmp
[which
] = 0;
845 /* This is called when starting Emacs and when restarting after
846 suspend. When starting Emacs, no window is mapped. And nothing
847 must be done to Emacs's own window if it is suspended (though that
851 w32_set_terminal_modes (void)
855 /* This is called when exiting or suspending Emacs. Exiting will make
856 the W32 windows go away, and suspending requires no action. */
859 w32_reset_terminal_modes (void)
865 /***********************************************************************
867 ***********************************************************************/
869 /* Function prototypes of this page. */
871 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
872 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
875 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
876 If CHAR2B is not contained in FONT, the font's default character
877 metric is returned. */
880 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
886 glyph_metric
* bdf_metric
;
890 buf
[0] = (char)(*char2b
);
893 buf
[0] = XCHAR2B_BYTE1 (char2b
);
894 buf
[1] = XCHAR2B_BYTE2 (char2b
);
897 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
901 pcm
->width
= bdf_metric
->dwidth
;
902 pcm
->lbearing
= bdf_metric
->bbox
;
903 pcm
->rbearing
= bdf_metric
->dwidth
904 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
905 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
906 pcm
->descent
= -bdf_metric
->bboy
;
915 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
918 enum w32_char_font_type font_type
;
921 HDC hdc
= GetDC (NULL
);
925 xassert (font
&& char2b
);
926 xassert (font
->hfont
);
927 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
929 old_font
= SelectObject (hdc
, font
->hfont
);
931 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
935 if (font_type
== UNICODE_FONT
)
936 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
938 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
943 /* Disabled until we can find a way to get the right results
944 on all versions of Windows. */
946 /* Don't trust the ABC widths. For synthesized fonts they are
947 wrong, and so is the result of GetCharWidth()! */
949 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
951 if (cleartype_active
)
953 /* Cleartype antialiasing causes characters to overhang
954 by a pixel on each side compared with what GetCharABCWidths
956 char_widths
.abcA
-= 1;
957 char_widths
.abcC
-= 1;
958 char_widths
.abcB
+= 2;
961 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
963 /* As far as I can tell, this is the best way to determine what
964 ExtTextOut will do with the broken font. */
965 if (pcm
->width
!= real_width
)
966 pcm
->width
= (pcm
->width
+ real_width
) / 2;
968 pcm
->lbearing
= char_widths
.abcA
;
969 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
970 pcm
->ascent
= FONT_BASE (font
);
971 pcm
->descent
= FONT_DESCENT (font
);
977 /* Either font is not a True-type font, or GetCharABCWidthsW
978 failed (it is not supported on Windows 9x for instance), so we
979 can't determine the full info we would like. All is not lost
980 though - we can call GetTextExtentPoint32 to get rbearing and
981 deduce width based on the font's per-string overhang. lbearing
982 is assumed to be zero. */
984 /* TODO: Some Thai characters (and other composites if Windows
985 supports them) do have lbearing, and report their total width
986 as zero. Need some way of handling them when
987 GetCharABCWidthsW fails. */
990 if (font_type
== UNICODE_FONT
)
991 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
993 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
997 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
998 pcm
->rbearing
= sz
.cx
;
1000 pcm
->ascent
= FONT_BASE (font
);
1001 pcm
->descent
= FONT_DESCENT (font
);
1006 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
1011 SelectObject (hdc
, old_font
);
1012 ReleaseDC (NULL
, hdc
);
1019 w32_per_char_metric (font
, char2b
, font_type
)
1022 int /* enum w32_char_font_type */ font_type
;
1024 /* The result metric information. */
1028 xassert (font
&& char2b
);
1030 /* TODO: This function is currently called through the RIF, and in
1031 some cases font_type is UNKNOWN_FONT. We currently allow the
1032 cached metrics to be used, which seems to work, but in cases
1033 where font_type is UNKNOWN_FONT, we probably haven't encoded
1034 char2b appropriately. All callers need checking to see what they
1035 are passing. This is most likely to affect variable width fonts
1036 outside the Latin-1 range, particularly in languages like Thai
1037 that rely on rbearing and lbearing to provide composition. I
1038 don't think that is working currently anyway, but we don't seem
1039 to have anyone testing such languages on Windows. */
1041 /* Handle the common cases quickly. */
1042 if (!font
->bdf
&& font
->per_char
== NULL
)
1043 /* TODO: determine whether char2b exists in font? */
1044 return &font
->max_bounds
;
1045 else if (!font
->bdf
&& *char2b
< 128)
1046 return &font
->per_char
[*char2b
];
1048 xassert (font_type
!= UNKNOWN_FONT
);
1050 pcm
= &font
->scratch
;
1052 if (font_type
== BDF_1D_FONT
)
1053 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1054 else if (font_type
== BDF_2D_FONT
)
1055 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1057 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1066 w32_cache_char_metrics (font
)
1069 wchar_t char2b
= L
'x';
1071 /* Cache char metrics for the common cases. */
1074 /* TODO: determine whether font is fixed-pitch. */
1075 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1077 /* Use the font width and height as max bounds, as not all BDF
1078 fonts contain the letter 'x'. */
1079 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1080 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1081 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1082 font
->max_bounds
.ascent
= FONT_BASE (font
);
1083 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1088 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1089 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1090 though they contain characters of different widths. */
1091 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1093 /* Font is not fixed pitch, so cache per_char info for the
1094 ASCII characters. It would be much more work, and probably
1095 not worth it, to cache other chars, since we may change
1096 between using Unicode and ANSI text drawing functions at
1100 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1101 for (i
= 0; i
< 128; i
++)
1104 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1105 &font
->per_char
[i
]);
1109 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1115 /* Determine if a font is double byte. */
1116 int w32_font_is_double_byte (XFontStruct
*font
)
1118 return font
->double_byte_p
;
1123 w32_use_unicode_for_codepage (codepage
)
1126 /* If the current codepage is supported, use Unicode for output. */
1127 return (w32_enable_unicode_output
1128 && codepage
!= CP_8BIT
1129 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1132 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1133 the two-byte form of C. Encoding is returned in *CHAR2B. */
1135 static int /* enum w32_char_font_type */
1136 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1139 struct font_info
*font_info
;
1142 int charset
= CHAR_CHARSET (c
);
1145 int internal_two_byte_p
= 0;
1147 XFontStruct
*font
= font_info
->font
;
1149 internal_two_byte_p
= w32_font_is_double_byte (font
);
1151 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1152 This may be either a program in a special encoder language or a
1154 if (font_info
->font_encoder
)
1156 /* It's a program. */
1157 struct ccl_program
*ccl
= font_info
->font_encoder
;
1159 if (CHARSET_DIMENSION (charset
) == 1)
1161 ccl
->reg
[0] = charset
;
1162 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1167 ccl
->reg
[0] = charset
;
1168 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1169 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1172 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1174 /* We assume that MSBs are appropriately set/reset by CCL
1176 if (!internal_two_byte_p
) /* 1-byte font */
1177 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1179 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1181 else if (font_info
->encoding
[charset
])
1183 /* Fixed encoding scheme. See fontset.h for the meaning of the
1184 encoding numbers. */
1185 int enc
= font_info
->encoding
[charset
];
1187 if ((enc
== 1 || enc
== 2)
1188 && CHARSET_DIMENSION (charset
) == 2)
1189 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1191 if (enc
== 1 || enc
== 3
1192 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1193 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1198 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1200 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1203 codepage
= font_info
->codepage
;
1205 /* If charset is not ASCII or Latin-1, may need to move it into
1207 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1208 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1209 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1212 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1213 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1215 if (codepage
!= CP_UNICODE
)
1218 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1220 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1223 internal_two_byte_p
= 1;
1227 *two_byte_p
= internal_two_byte_p
;
1230 return UNKNOWN_FONT
;
1231 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1236 return UNICODE_FONT
;
1243 /***********************************************************************
1245 ***********************************************************************/
1248 /* Encapsulate the different ways of displaying text under W32. */
1251 w32_text_out (s
, x
, y
,chars
,nchars
)
1252 struct glyph_string
* s
;
1257 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1259 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1260 x
, y
, (char *) chars
, charset_dim
,
1261 nchars
* charset_dim
, 0);
1262 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1263 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1265 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1266 nchars
* charset_dim
, NULL
);
1270 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1271 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1272 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1274 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1275 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1276 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1277 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1278 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1279 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1280 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1281 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1282 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1283 double, int, COLORREF
));
1284 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1285 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1286 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1287 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1288 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1289 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1291 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1292 int, int, int, int, int, int,
1294 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1295 int, int, int, RECT
*));
1298 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1302 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1307 struct glyph_string
*s
;
1309 if (s
->font
== FRAME_FONT (s
->f
)
1310 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1311 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1313 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1316 /* Cursor on non-default face: must merge. */
1320 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1321 xgcv
.foreground
= s
->face
->background
;
1323 /* If the glyph would be invisible, try a different foreground. */
1324 if (xgcv
.foreground
== xgcv
.background
)
1325 xgcv
.foreground
= s
->face
->foreground
;
1326 if (xgcv
.foreground
== xgcv
.background
)
1327 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1328 if (xgcv
.foreground
== xgcv
.background
)
1329 xgcv
.foreground
= s
->face
->foreground
;
1331 /* Make sure the cursor is distinct from text in this face. */
1332 if (xgcv
.background
== s
->face
->background
1333 && xgcv
.foreground
== s
->face
->foreground
)
1335 xgcv
.background
= s
->face
->foreground
;
1336 xgcv
.foreground
= s
->face
->background
;
1339 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1340 xgcv
.font
= s
->font
;
1341 mask
= GCForeground
| GCBackground
| GCFont
;
1343 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1344 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1347 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1348 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1350 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1355 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1358 x_set_mouse_face_gc (s
)
1359 struct glyph_string
*s
;
1364 /* What face has to be used last for the mouse face? */
1365 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1366 face
= FACE_FROM_ID (s
->f
, face_id
);
1368 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1370 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1371 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1373 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1374 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1375 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1377 /* If font in this face is same as S->font, use it. */
1378 if (s
->font
== s
->face
->font
)
1379 s
->gc
= s
->face
->gc
;
1382 /* Otherwise construct scratch_cursor_gc with values from FACE
1387 xgcv
.background
= s
->face
->background
;
1388 xgcv
.foreground
= s
->face
->foreground
;
1389 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1390 xgcv
.font
= s
->font
;
1391 mask
= GCForeground
| GCBackground
| GCFont
;
1393 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1394 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1397 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1398 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1400 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1403 xassert (s
->gc
!= 0);
1407 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1408 Faces to use in the mode line have already been computed when the
1409 matrix was built, so there isn't much to do, here. */
1412 x_set_mode_line_face_gc (s
)
1413 struct glyph_string
*s
;
1415 s
->gc
= s
->face
->gc
;
1419 /* Set S->gc of glyph string S for drawing that glyph string. Set
1420 S->stippled_p to a non-zero value if the face of S has a stipple
1424 x_set_glyph_string_gc (s
)
1425 struct glyph_string
*s
;
1427 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1429 if (s
->hl
== DRAW_NORMAL_TEXT
)
1431 s
->gc
= s
->face
->gc
;
1432 s
->stippled_p
= s
->face
->stipple
!= 0;
1434 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1436 x_set_mode_line_face_gc (s
);
1437 s
->stippled_p
= s
->face
->stipple
!= 0;
1439 else if (s
->hl
== DRAW_CURSOR
)
1441 x_set_cursor_gc (s
);
1444 else if (s
->hl
== DRAW_MOUSE_FACE
)
1446 x_set_mouse_face_gc (s
);
1447 s
->stippled_p
= s
->face
->stipple
!= 0;
1449 else if (s
->hl
== DRAW_IMAGE_RAISED
1450 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1452 s
->gc
= s
->face
->gc
;
1453 s
->stippled_p
= s
->face
->stipple
!= 0;
1457 s
->gc
= s
->face
->gc
;
1458 s
->stippled_p
= s
->face
->stipple
!= 0;
1461 /* GC must have been set. */
1462 xassert (s
->gc
!= 0);
1466 /* Set clipping for output of glyph string S. S may be part of a mode
1467 line or menu if we don't have X toolkit support. */
1470 x_set_glyph_string_clipping (s
)
1471 struct glyph_string
*s
;
1474 get_glyph_string_clip_rect (s
, &r
);
1475 w32_set_clip_rectangle (s
->hdc
, &r
);
1480 Compute left and right overhang of glyph string S. If S is a glyph
1481 string for a composition, assume overhangs don't exist. */
1484 w32_compute_glyph_string_overhangs (s
)
1485 struct glyph_string
*s
;
1487 /* TODO: Windows does not appear to have a method for
1488 getting this info without getting the ABC widths for each
1489 individual character and working it out manually. */
1494 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1495 struct glyph
*glyph
;
1499 HDC hdc
= get_frame_dc (f
);
1500 /* Convert to unicode! */
1501 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1502 release_frame_dc (f
, hdc
);
1506 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1509 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1510 struct glyph_string
*s
;
1518 /* Take clipping into account. */
1519 if (s
->gc
->clip_mask
== Rect
)
1521 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1522 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1523 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1524 - s
->gc
->clip_rectangle
.left
);
1525 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1526 - s
->gc
->clip_rectangle
.top
);
1529 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1534 /* Draw the background of glyph_string S. If S->background_filled_p
1535 is non-zero don't draw it. FORCE_P non-zero means draw the
1536 background even if it wouldn't be drawn normally. This is used
1537 when a string preceding S draws into the background of S, or S
1538 contains the first component of a composition. */
1541 x_draw_glyph_string_background (s
, force_p
)
1542 struct glyph_string
*s
;
1545 /* Nothing to do if background has already been drawn or if it
1546 shouldn't be drawn in the first place. */
1547 if (!s
->background_filled_p
)
1549 int box_line_width
= max (s
->face
->box_line_width
, 0);
1551 #if 0 /* TODO: stipple */
1554 /* Fill background with a stipple pattern. */
1555 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1556 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1557 s
->y
+ box_line_width
,
1558 s
->background_width
,
1559 s
->height
- 2 * box_line_width
);
1560 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1561 s
->background_filled_p
= 1;
1565 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1566 || s
->font_not_found_p
1567 || s
->extends_to_end_of_line_p
1571 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1572 s
->background_width
,
1573 s
->height
- 2 * box_line_width
);
1574 s
->background_filled_p
= 1;
1580 /* Draw the foreground of glyph string S. */
1583 x_draw_glyph_string_foreground (s
)
1584 struct glyph_string
*s
;
1589 /* If first glyph of S has a left box line, start drawing the text
1590 of S to the right of that box line. */
1591 if (s
->face
->box
!= FACE_NO_BOX
1592 && s
->first_glyph
->left_box_line_p
)
1593 x
= s
->x
+ abs (s
->face
->box_line_width
);
1597 if (s
->for_overlaps
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1598 SetBkMode (s
->hdc
, TRANSPARENT
);
1600 SetBkMode (s
->hdc
, OPAQUE
);
1602 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1603 SetBkColor (s
->hdc
, s
->gc
->background
);
1604 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1606 if (s
->font
&& s
->font
->hfont
)
1607 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1609 /* Draw characters of S as rectangles if S's font could not be
1611 if (s
->font_not_found_p
)
1613 for (i
= 0; i
< s
->nchars
; ++i
)
1615 struct glyph
*g
= s
->first_glyph
+ i
;
1617 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1619 x
+= g
->pixel_width
;
1624 char *char1b
= (char *) s
->char2b
;
1625 int boff
= s
->font_info
->baseline_offset
;
1627 if (s
->font_info
->vertical_centering
)
1628 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1630 /* If we can use 8-bit functions, condense S->char2b. */
1632 for (i
= 0; i
< s
->nchars
; ++i
)
1633 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1635 /* Draw text with TextOut and friends. */
1636 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1638 if (s
->face
->overstrike
)
1640 /* For overstriking (to simulate bold-face), draw the
1641 characters again shifted to the right by one pixel. */
1642 int old_BkMode
= SetBkMode (s
->hdc
, TRANSPARENT
);
1643 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1644 if (old_BkMode
&& old_BkMode
!= TRANSPARENT
)
1645 SetBkMode (s
->hdc
, old_BkMode
);
1648 if (s
->font
&& s
->font
->hfont
)
1649 SelectObject (s
->hdc
, old_font
);
1652 /* Draw the foreground of composite glyph string S. */
1655 x_draw_composite_glyph_string_foreground (s
)
1656 struct glyph_string
*s
;
1661 /* If first glyph of S has a left box line, start drawing the text
1662 of S to the right of that box line. */
1663 if (s
->face
->box
!= FACE_NO_BOX
1664 && s
->first_glyph
->left_box_line_p
)
1665 x
= s
->x
+ abs (s
->face
->box_line_width
);
1669 /* S is a glyph string for a composition. S->gidx is the index of
1670 the first character drawn for glyphs of this composition.
1671 S->gidx == 0 means we are drawing the very first character of
1672 this composition. */
1674 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1675 SetBkColor (s
->hdc
, s
->gc
->background
);
1676 SetBkMode (s
->hdc
, TRANSPARENT
);
1677 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1679 if (s
->font
&& s
->font
->hfont
)
1680 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1682 /* Draw a rectangle for the composition if the font for the very
1683 first character of the composition could not be loaded. */
1684 if (s
->font_not_found_p
)
1687 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1692 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1694 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1695 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1697 if (s
->face
->overstrike
)
1698 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1699 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1704 if (s
->font
&& s
->font
->hfont
)
1705 SelectObject (s
->hdc
, old_font
);
1709 /* Brightness beyond which a color won't have its highlight brightness
1712 Nominally, highlight colors for `3d' faces are calculated by
1713 brightening an object's color by a constant scale factor, but this
1714 doesn't yield good results for dark colors, so for colors who's
1715 brightness is less than this value (on a scale of 0-255) have to
1716 use an additional additive factor.
1718 The value here is set so that the default menu-bar/mode-line color
1719 (grey75) will not have its highlights changed at all. */
1720 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1723 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1724 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1725 If this produces the same color as COLOR, try a color where all RGB
1726 values have DELTA added. Return the allocated color in *COLOR.
1727 DISPLAY is the X display, CMAP is the colormap to operate on.
1728 Value is non-zero if successful. */
1731 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1740 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1743 /* Change RGB values by specified FACTOR. Avoid overflow! */
1744 xassert (factor
>= 0);
1745 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1746 min (0xff, factor
* GetGValue (*color
)),
1747 min (0xff, factor
* GetBValue (*color
)));
1749 /* Calculate brightness of COLOR. */
1750 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1751 + GetBValue (*color
)) / 6;
1753 /* We only boost colors that are darker than
1754 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1755 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1756 /* Make an additive adjustment to NEW, because it's dark enough so
1757 that scaling by FACTOR alone isn't enough. */
1759 /* How far below the limit this color is (0 - 1, 1 being darker). */
1760 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1761 /* The additive adjustment. */
1762 int min_delta
= delta
* dimness
* factor
/ 2;
1765 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1766 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1767 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1769 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1770 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1771 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1775 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1776 max (0, min (0xff, delta
+ GetGValue (*color
))),
1777 max (0, min (0xff, delta
+ GetBValue (*color
))));
1779 /* TODO: Map to palette and retry with delta if same? */
1780 /* TODO: Free colors (if using palette)? */
1791 /* Set up the foreground color for drawing relief lines of glyph
1792 string S. RELIEF is a pointer to a struct relief containing the GC
1793 with which lines will be drawn. Use a color that is FACTOR or
1794 DELTA lighter or darker than the relief's background which is found
1795 in S->f->output_data.x->relief_background. If such a color cannot
1796 be allocated, use DEFAULT_PIXEL, instead. */
1799 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1801 struct relief
*relief
;
1804 COLORREF default_pixel
;
1807 struct w32_output
*di
= f
->output_data
.w32
;
1808 unsigned long mask
= GCForeground
;
1810 COLORREF background
= di
->relief_background
;
1811 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1813 /* TODO: Free colors (if using palette)? */
1815 /* Allocate new color. */
1816 xgcv
.foreground
= default_pixel
;
1818 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1820 relief
->allocated_p
= 1;
1821 xgcv
.foreground
= relief
->pixel
= pixel
;
1824 if (relief
->gc
== 0)
1826 #if 0 /* TODO: stipple */
1827 xgcv
.stipple
= dpyinfo
->gray
;
1830 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1833 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1837 /* Set up colors for the relief lines around glyph string S. */
1840 x_setup_relief_colors (s
)
1841 struct glyph_string
*s
;
1843 struct w32_output
*di
= s
->f
->output_data
.w32
;
1846 if (s
->face
->use_box_color_for_shadows_p
)
1847 color
= s
->face
->box_color
;
1848 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1850 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1851 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1853 color
= s
->gc
->background
;
1855 if (di
->white_relief
.gc
== 0
1856 || color
!= di
->relief_background
)
1858 di
->relief_background
= color
;
1859 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1860 WHITE_PIX_DEFAULT (s
->f
));
1861 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1862 BLACK_PIX_DEFAULT (s
->f
));
1867 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1868 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1869 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1870 relief. LEFT_P non-zero means draw a relief on the left side of
1871 the rectangle. RIGHT_P non-zero means draw a relief on the right
1872 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1876 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1877 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1879 int left_x
, top_y
, right_x
, bottom_y
, width
;
1880 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1885 HDC hdc
= get_frame_dc (f
);
1888 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1890 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1892 w32_set_clip_rectangle (hdc
, clip_rect
);
1896 for (i
= 0; i
< width
; ++i
)
1897 w32_fill_area (f
, hdc
, gc
.foreground
,
1898 left_x
+ i
* left_p
, top_y
+ i
,
1899 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1903 for (i
= 0; i
< width
; ++i
)
1904 w32_fill_area (f
, hdc
, gc
.foreground
,
1905 left_x
+ i
, top_y
+ i
, 1,
1906 bottom_y
- top_y
- 2 * i
+ 1);
1909 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1911 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1915 for (i
= 0; i
< width
; ++i
)
1916 w32_fill_area (f
, hdc
, gc
.foreground
,
1917 left_x
+ i
* left_p
, bottom_y
- i
,
1918 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1922 for (i
= 0; i
< width
; ++i
)
1923 w32_fill_area (f
, hdc
, gc
.foreground
,
1924 right_x
- i
, top_y
+ i
+ 1, 1,
1925 bottom_y
- top_y
- 2 * i
- 1);
1927 w32_set_clip_rectangle (hdc
, NULL
);
1929 release_frame_dc (f
, hdc
);
1933 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1934 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1935 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1936 left side of the rectangle. RIGHT_P non-zero means draw a line
1937 on the right side of the rectangle. CLIP_RECT is the clipping
1938 rectangle to use when drawing. */
1941 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1942 left_p
, right_p
, clip_rect
)
1943 struct glyph_string
*s
;
1944 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1947 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1950 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1951 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1956 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1957 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1961 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1962 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1967 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1968 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1971 w32_set_clip_rectangle (s
->hdc
, NULL
);
1975 /* Draw a box around glyph string S. */
1978 x_draw_glyph_string_box (s
)
1979 struct glyph_string
*s
;
1981 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1982 int left_p
, right_p
;
1983 struct glyph
*last_glyph
;
1986 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1987 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1988 : window_box_right (s
->w
, s
->area
));
1990 /* The glyph that may have a right box line. */
1991 last_glyph
= (s
->cmp
|| s
->img
1993 : s
->first_glyph
+ s
->nchars
- 1);
1995 width
= abs (s
->face
->box_line_width
);
1996 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1998 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
2000 : min (last_x
, s
->x
+ s
->background_width
) - 1));
2002 bottom_y
= top_y
+ s
->height
- 1;
2004 left_p
= (s
->first_glyph
->left_box_line_p
2005 || (s
->hl
== DRAW_MOUSE_FACE
2007 || s
->prev
->hl
!= s
->hl
)));
2008 right_p
= (last_glyph
->right_box_line_p
2009 || (s
->hl
== DRAW_MOUSE_FACE
2011 || s
->next
->hl
!= s
->hl
)));
2013 get_glyph_string_clip_rect (s
, &clip_rect
);
2015 if (s
->face
->box
== FACE_SIMPLE_BOX
)
2016 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2017 left_p
, right_p
, &clip_rect
);
2020 x_setup_relief_colors (s
);
2021 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
2022 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
2027 /* Draw foreground of image glyph string S. */
2030 x_draw_image_foreground (s
)
2031 struct glyph_string
*s
;
2034 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2036 /* If first glyph of S has a left box line, start drawing it to the
2037 right of that line. */
2038 if (s
->face
->box
!= FACE_NO_BOX
2039 && s
->first_glyph
->left_box_line_p
2041 x
+= abs (s
->face
->box_line_width
);
2043 /* If there is a margin around the image, adjust x- and y-position
2045 if (s
->slice
.x
== 0)
2046 x
+= s
->img
->hmargin
;
2047 if (s
->slice
.y
== 0)
2048 y
+= s
->img
->vmargin
;
2054 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2055 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2056 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2057 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2058 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2059 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2060 x_set_glyph_string_clipping (s
);
2064 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2065 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2067 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2068 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2070 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2071 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2072 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2073 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2074 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2075 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2077 SelectObject (mask_dc
, mask_orig_obj
);
2082 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2083 SetBkColor (s
->hdc
, s
->gc
->background
);
2085 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2086 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2088 /* When the image has a mask, we can expect that at
2089 least part of a mouse highlight or a block cursor will
2090 be visible. If the image doesn't have a mask, make
2091 a block cursor visible by drawing a rectangle around
2092 the image. I believe it's looking better if we do
2093 nothing here for mouse-face. */
2094 if (s
->hl
== DRAW_CURSOR
)
2096 int r
= s
->img
->relief
;
2098 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2099 s
->slice
.width
+ r
*2 - 1,
2100 s
->slice
.height
+ r
*2 - 1);
2104 w32_set_clip_rectangle (s
->hdc
, NULL
);
2105 SelectObject (s
->hdc
, orig_brush
);
2106 DeleteObject (fg_brush
);
2107 SelectObject (compat_hdc
, orig_obj
);
2108 DeleteDC (compat_hdc
);
2111 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2112 s
->slice
.width
- 1, s
->slice
.height
- 1);
2114 RestoreDC (s
->hdc
,-1);
2118 /* Draw a relief around the image glyph string S. */
2121 x_draw_image_relief (s
)
2122 struct glyph_string
*s
;
2124 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2127 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2129 /* If first glyph of S has a left box line, start drawing it to the
2130 right of that line. */
2131 if (s
->face
->box
!= FACE_NO_BOX
2132 && s
->first_glyph
->left_box_line_p
2134 x
+= abs (s
->face
->box_line_width
);
2136 /* If there is a margin around the image, adjust x- and y-position
2138 if (s
->slice
.x
== 0)
2139 x
+= s
->img
->hmargin
;
2140 if (s
->slice
.y
== 0)
2141 y
+= s
->img
->vmargin
;
2143 if (s
->hl
== DRAW_IMAGE_SUNKEN
2144 || s
->hl
== DRAW_IMAGE_RAISED
)
2146 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2147 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2151 thick
= abs (s
->img
->relief
);
2152 raised_p
= s
->img
->relief
> 0;
2157 x1
= x
+ s
->slice
.width
+ thick
- 1;
2158 y1
= y
+ s
->slice
.height
+ thick
- 1;
2160 x_setup_relief_colors (s
);
2161 get_glyph_string_clip_rect (s
, &r
);
2162 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2164 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2166 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2171 /* Draw the foreground of image glyph string S to PIXMAP. */
2174 w32_draw_image_foreground_1 (s
, pixmap
)
2175 struct glyph_string
*s
;
2178 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2179 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2181 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2183 /* If first glyph of S has a left box line, start drawing it to the
2184 right of that line. */
2185 if (s
->face
->box
!= FACE_NO_BOX
2186 && s
->first_glyph
->left_box_line_p
2188 x
+= abs (s
->face
->box_line_width
);
2190 /* If there is a margin around the image, adjust x- and y-position
2192 if (s
->slice
.x
== 0)
2193 x
+= s
->img
->hmargin
;
2194 if (s
->slice
.y
== 0)
2195 y
+= s
->img
->vmargin
;
2199 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2200 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2201 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2202 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2206 HDC mask_dc
= CreateCompatibleDC (hdc
);
2207 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2209 SetTextColor (hdc
, RGB (0, 0, 0));
2210 SetBkColor (hdc
, RGB (255, 255, 255));
2211 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2212 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2213 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2214 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2215 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2216 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2218 SelectObject (mask_dc
, mask_orig_obj
);
2223 SetTextColor (hdc
, s
->gc
->foreground
);
2224 SetBkColor (hdc
, s
->gc
->background
);
2226 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2227 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2229 /* When the image has a mask, we can expect that at
2230 least part of a mouse highlight or a block cursor will
2231 be visible. If the image doesn't have a mask, make
2232 a block cursor visible by drawing a rectangle around
2233 the image. I believe it's looking better if we do
2234 nothing here for mouse-face. */
2235 if (s
->hl
== DRAW_CURSOR
)
2237 int r
= s
->img
->relief
;
2239 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2240 s
->slice
.width
+ r
*2 - 1,
2241 s
->slice
.height
+ r
*2 - 1);
2245 SelectObject (hdc
, orig_brush
);
2246 DeleteObject (fg_brush
);
2247 SelectObject (compat_hdc
, orig_obj
);
2248 DeleteDC (compat_hdc
);
2251 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2252 s
->slice
.width
- 1, s
->slice
.height
- 1);
2254 SelectObject (hdc
, orig_hdc_obj
);
2259 /* Draw part of the background of glyph string S. X, Y, W, and H
2260 give the rectangle to draw. */
2263 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2264 struct glyph_string
*s
;
2267 #if 0 /* TODO: stipple */
2270 /* Fill background with a stipple pattern. */
2271 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2272 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2273 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2277 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2281 /* Draw image glyph string S.
2284 s->x +-------------------------
2287 | +-------------------------
2290 | | +-------------------
2296 x_draw_image_glyph_string (s
)
2297 struct glyph_string
*s
;
2300 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2301 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2305 height
= s
->height
- 2 * box_line_vwidth
;
2307 /* Fill background with face under the image. Do it only if row is
2308 taller than image or if image has a clip mask to reduce
2310 s
->stippled_p
= s
->face
->stipple
!= 0;
2311 if (height
> s
->slice
.height
2315 || s
->img
->pixmap
== 0
2316 || s
->width
!= s
->background_width
)
2319 if (s
->first_glyph
->left_box_line_p
2321 x
+= box_line_hwidth
;
2324 if (s
->slice
.y
== 0)
2325 y
+= box_line_vwidth
;
2327 #if 0 /* TODO: figure out if we need to do this on Windows. */
2330 /* Create a pixmap as large as the glyph string. Fill it
2331 with the background color. Copy the image to it, using
2332 its mask. Copy the temporary pixmap to the display. */
2333 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2334 int depth
= DefaultDepthOfScreen (screen
);
2336 /* Create a pixmap as large as the glyph string. */
2337 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2338 s
->background_width
,
2341 /* Don't clip in the following because we're working on the
2343 XSetClipMask (s
->display
, s
->gc
, None
);
2345 /* Fill the pixmap with the background color/stipple. */
2348 /* Fill background with a stipple pattern. */
2349 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2350 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2351 0, 0, s
->background_width
, s
->height
);
2352 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2357 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2359 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2360 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2361 0, 0, s
->background_width
, s
->height
);
2362 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2367 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2369 s
->background_filled_p
= 1;
2372 /* Draw the foreground. */
2375 w32_draw_image_foreground_1 (s
, pixmap
);
2376 x_set_glyph_string_clipping (s
);
2378 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2379 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2380 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2381 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2383 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2384 SetBkColor (s
->hdc
, s
->gc
->background
);
2385 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2386 compat_hdc
, 0, 0, SRCCOPY
);
2388 SelectObject (s
->hdc
, orig_brush
);
2389 DeleteObject (fg_brush
);
2390 SelectObject (compat_hdc
, orig_obj
);
2391 DeleteDC (compat_hdc
);
2393 DeleteObject (pixmap
);
2397 x_draw_image_foreground (s
);
2399 /* If we must draw a relief around the image, do it. */
2401 || s
->hl
== DRAW_IMAGE_RAISED
2402 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2403 x_draw_image_relief (s
);
2407 /* Draw stretch glyph string S. */
2410 x_draw_stretch_glyph_string (s
)
2411 struct glyph_string
*s
;
2413 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2414 s
->stippled_p
= s
->face
->stipple
!= 0;
2416 if (s
->hl
== DRAW_CURSOR
2417 && !x_stretch_cursor_p
)
2419 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2420 as wide as the stretch glyph. */
2421 int width
, background_width
= s
->background_width
;
2422 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2426 background_width
-= left_x
- x
;
2429 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2432 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2434 /* Clear rest using the GC of the original non-cursor face. */
2435 if (width
< background_width
)
2437 XGCValues
*gc
= s
->face
->gc
;
2439 int w
= background_width
- width
, h
= s
->height
;
2444 if (s
->row
->mouse_face_p
2445 && cursor_in_mouse_face_p (s
->w
))
2447 x_set_mouse_face_gc (s
);
2453 get_glyph_string_clip_rect (s
, &r
);
2454 w32_set_clip_rectangle (hdc
, &r
);
2456 #if 0 /* TODO: stipple */
2457 if (s
->face
->stipple
)
2459 /* Fill background with a stipple pattern. */
2460 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2461 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2462 XSetFillStyle (s
->display
, gc
, FillSolid
);
2467 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2471 else if (!s
->background_filled_p
)
2473 int background_width
= s
->background_width
;
2474 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2476 /* Don't draw into left margin, fringe or scrollbar area
2477 except for header line and mode line. */
2478 if (x
< left_x
&& !s
->row
->mode_line_p
)
2480 background_width
-= left_x
- x
;
2483 if (background_width
> 0)
2484 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2487 s
->background_filled_p
= 1;
2491 /* Draw glyph string S. */
2494 x_draw_glyph_string (s
)
2495 struct glyph_string
*s
;
2497 int relief_drawn_p
= 0;
2499 /* If S draws into the background of its successor, draw the
2500 background of the successor first so that S can draw into it.
2501 This makes S->next use XDrawString instead of XDrawImageString. */
2502 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2504 xassert (s
->next
->img
== NULL
);
2505 x_set_glyph_string_gc (s
->next
);
2506 x_set_glyph_string_clipping (s
->next
);
2507 x_draw_glyph_string_background (s
->next
, 1);
2510 /* Set up S->gc, set clipping and draw S. */
2511 x_set_glyph_string_gc (s
);
2513 /* Draw relief (if any) in advance for char/composition so that the
2514 glyph string can be drawn over it. */
2515 if (!s
->for_overlaps
2516 && s
->face
->box
!= FACE_NO_BOX
2517 && (s
->first_glyph
->type
== CHAR_GLYPH
2518 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2521 x_set_glyph_string_clipping (s
);
2522 x_draw_glyph_string_background (s
, 1);
2523 x_draw_glyph_string_box (s
);
2524 x_set_glyph_string_clipping (s
);
2528 x_set_glyph_string_clipping (s
);
2530 switch (s
->first_glyph
->type
)
2533 x_draw_image_glyph_string (s
);
2537 x_draw_stretch_glyph_string (s
);
2541 if (s
->for_overlaps
)
2542 s
->background_filled_p
= 1;
2544 x_draw_glyph_string_background (s
, 0);
2545 x_draw_glyph_string_foreground (s
);
2548 case COMPOSITE_GLYPH
:
2549 if (s
->for_overlaps
|| s
->gidx
> 0)
2550 s
->background_filled_p
= 1;
2552 x_draw_glyph_string_background (s
, 1);
2553 x_draw_composite_glyph_string_foreground (s
);
2560 if (!s
->for_overlaps
)
2562 /* Draw underline. */
2563 if (s
->face
->underline_p
2564 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2566 unsigned long h
= 1;
2567 unsigned long dy
= 0;
2569 if (x_underline_at_descent_line
)
2573 /* TODO: Use font information for positioning and thickness of
2574 underline. See OUTLINETEXTMETRIC, and xterm.c. Note: If
2575 you make this work, don't forget to change the doc string of
2576 x-use-underline-position-properties below. */
2579 if (s
->face
->underline_defaulted_p
)
2581 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2582 s
->y
+ dy
, s
->background_width
, 1);
2586 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2587 s
->y
+ dy
, s
->background_width
, 1);
2591 /* Draw overline. */
2592 if (s
->face
->overline_p
)
2594 unsigned long dy
= 0, h
= 1;
2596 if (s
->face
->overline_color_defaulted_p
)
2598 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2599 s
->y
+ dy
, s
->background_width
, h
);
2603 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2604 s
->y
+ dy
, s
->background_width
, h
);
2608 /* Draw strike-through. */
2609 if (s
->face
->strike_through_p
2610 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2612 unsigned long h
= 1;
2613 unsigned long dy
= (s
->height
- h
) / 2;
2615 if (s
->face
->strike_through_color_defaulted_p
)
2617 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2622 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2623 s
->y
+ dy
, s
->width
, h
);
2628 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2629 x_draw_glyph_string_box (s
);
2632 /* Reset clipping. */
2633 w32_set_clip_rectangle (s
->hdc
, NULL
);
2637 /* Shift display to make room for inserted glyphs. */
2640 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2642 int x
, y
, width
, height
, shift_by
;
2646 hdc
= get_frame_dc (f
);
2647 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2648 hdc
, x
, y
, SRCCOPY
);
2650 release_frame_dc (f
, hdc
);
2654 /* Delete N glyphs at the nominal cursor position. Not implemented
2666 f
= SELECTED_FRAME ();
2668 if (! FRAME_W32_P (f
))
2675 /* Clear entire frame. If updating_frame is non-null, clear that
2676 frame. Otherwise clear the selected frame. */
2686 f
= SELECTED_FRAME ();
2688 if (! FRAME_W32_P (f
))
2691 /* Clearing the frame will erase any cursor, so mark them all as no
2693 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2694 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2695 output_cursor
.x
= -1;
2697 /* We don't set the output cursor here because there will always
2698 follow an explicit cursor_to. */
2701 w32_clear_window (f
);
2703 /* We have to clear the scroll bars, too. If we have changed
2704 colors or something like that, then they should be notified. */
2705 x_scroll_bar_clear (f
);
2711 /* Make audible bell. */
2714 w32_ring_bell (void)
2718 f
= SELECTED_FRAME ();
2722 if (FRAME_W32_P (f
) && visible_bell
)
2725 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2727 for (i
= 0; i
< 5; i
++)
2729 FlashWindow (hwnd
, TRUE
);
2732 FlashWindow (hwnd
, FALSE
);
2735 w32_sys_ring_bell ();
2741 /* Specify how many text lines, from the top of the window,
2742 should be affected by insert-lines and delete-lines operations.
2743 This, and those operations, are used only within an update
2744 that is bounded by calls to x_update_begin and x_update_end. */
2747 w32_set_terminal_window (n
)
2750 /* This function intentionally left blank. */
2754 /***********************************************************************
2756 ***********************************************************************/
2758 /* Perform an insert-lines or delete-lines operation, inserting N
2759 lines or deleting -N lines at vertical position VPOS. */
2762 x_ins_del_lines (vpos
, n
)
2770 f
= SELECTED_FRAME ();
2772 if (! FRAME_W32_P (f
))
2779 /* Scroll part of the display as described by RUN. */
2782 x_scroll_run (w
, run
)
2786 struct frame
*f
= XFRAME (w
->frame
);
2787 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2788 HWND hwnd
= FRAME_W32_WINDOW (f
);
2791 /* Get frame-relative bounding box of the text display area of W,
2792 without mode lines. Include in this box the left and right
2794 window_box (w
, -1, &x
, &y
, &width
, &height
);
2796 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2797 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2798 bottom_y
= y
+ height
;
2802 /* Scrolling up. Make sure we don't copy part of the mode
2803 line at the bottom. */
2804 if (from_y
+ run
->height
> bottom_y
)
2805 height
= bottom_y
- from_y
;
2807 height
= run
->height
;
2808 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2812 /* Scolling down. Make sure we don't copy over the mode line.
2814 if (to_y
+ run
->height
> bottom_y
)
2815 height
= bottom_y
- to_y
;
2817 height
= run
->height
;
2818 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2823 /* Cursor off. Will be switched on again in x_update_window_end. */
2830 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2831 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2833 from
.left
= to
.left
= x
;
2834 from
.right
= to
.right
= x
+ width
;
2836 from
.bottom
= from_y
+ height
;
2838 to
.bottom
= bottom_y
;
2840 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2841 NULL
, SW_INVALIDATE
);
2843 /* Combine this with what we expect to be dirty. This covers the
2844 case where not all of the region we expect is actually dirty. */
2845 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2847 /* If the dirty region is not what we expected, redraw the entire frame. */
2848 if (!EqualRgn (combined
, expect_dirty
))
2849 SET_FRAME_GARBAGED (f
);
2851 DeleteObject (dirty
);
2852 DeleteObject (combined
);
2856 DeleteObject (expect_dirty
);
2861 /***********************************************************************
2863 ***********************************************************************/
2869 x_update_cursor (f
, 1);
2873 frame_unhighlight (f
)
2876 x_update_cursor (f
, 1);
2879 /* The focus has changed. Update the frames as necessary to reflect
2880 the new situation. Note that we can't change the selected frame
2881 here, because the Lisp code we are interrupting might become confused.
2882 Each event gets marked with the frame in which it occurred, so the
2883 Lisp code can tell when the switch took place by examining the events. */
2886 x_new_focus_frame (dpyinfo
, frame
)
2887 struct w32_display_info
*dpyinfo
;
2888 struct frame
*frame
;
2890 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2892 if (frame
!= dpyinfo
->w32_focus_frame
)
2894 /* Set this before calling other routines, so that they see
2895 the correct value of w32_focus_frame. */
2896 dpyinfo
->w32_focus_frame
= frame
;
2898 if (old_focus
&& old_focus
->auto_lower
)
2899 x_lower_frame (old_focus
);
2901 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2902 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2904 pending_autoraise_frame
= 0;
2907 x_frame_rehighlight (dpyinfo
);
2911 /* Handle FocusIn and FocusOut state changes for FRAME.
2912 If FRAME has focus and there exists more than one frame, puts
2913 a FOCUS_IN_EVENT into *BUFP. */
2916 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2919 struct w32_display_info
*dpyinfo
;
2920 struct frame
*frame
;
2921 struct input_event
*bufp
;
2923 if (type
== WM_SETFOCUS
)
2925 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2927 x_new_focus_frame (dpyinfo
, frame
);
2928 dpyinfo
->w32_focus_event_frame
= frame
;
2930 /* Don't stop displaying the initial startup message
2931 for a switch-frame event we don't need. */
2932 if (GC_NILP (Vterminal_frame
)
2933 && GC_CONSP (Vframe_list
)
2934 && !GC_NILP (XCDR (Vframe_list
)))
2936 bufp
->kind
= FOCUS_IN_EVENT
;
2937 XSETFRAME (bufp
->frame_or_window
, frame
);
2941 frame
->output_data
.x
->focus_state
|= state
;
2943 /* TODO: IME focus? */
2945 else if (type
== WM_KILLFOCUS
)
2947 frame
->output_data
.x
->focus_state
&= ~state
;
2949 if (dpyinfo
->w32_focus_event_frame
== frame
)
2951 dpyinfo
->w32_focus_event_frame
= 0;
2952 x_new_focus_frame (dpyinfo
, 0);
2955 /* TODO: IME focus? */
2960 /* The focus may have changed. Figure out if it is a real focus change,
2961 by checking both FocusIn/Out and Enter/LeaveNotify events.
2963 Returns FOCUS_IN_EVENT event in *BUFP. */
2966 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2967 struct w32_display_info
*dpyinfo
;
2969 struct input_event
*bufp
;
2971 struct frame
*frame
;
2973 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2977 /* On w32, this is only called from focus events, so no switch needed. */
2978 x_focus_changed (event
->msg
.message
,
2979 (event
->msg
.message
== WM_KILLFOCUS
?
2980 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2981 dpyinfo
, frame
, bufp
);
2985 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2988 x_mouse_leave (dpyinfo
)
2989 struct w32_display_info
*dpyinfo
;
2991 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2994 /* The focus has changed, or we have redirected a frame's focus to
2995 another frame (this happens when a frame uses a surrogate
2996 mini-buffer frame). Shift the highlight as appropriate.
2998 The FRAME argument doesn't necessarily have anything to do with which
2999 frame is being highlighted or un-highlighted; we only use it to find
3000 the appropriate X display info. */
3003 w32_frame_rehighlight (frame
)
3004 struct frame
*frame
;
3006 if (! FRAME_W32_P (frame
))
3008 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
3012 x_frame_rehighlight (dpyinfo
)
3013 struct w32_display_info
*dpyinfo
;
3015 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
3017 if (dpyinfo
->w32_focus_frame
)
3019 dpyinfo
->x_highlight_frame
3020 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
3021 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
3022 : dpyinfo
->w32_focus_frame
);
3023 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
3025 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
3026 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
3030 dpyinfo
->x_highlight_frame
= 0;
3032 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3035 frame_unhighlight (old_highlight
);
3036 if (dpyinfo
->x_highlight_frame
)
3037 frame_highlight (dpyinfo
->x_highlight_frame
);
3041 /* Keyboard processing - modifier keys, etc. */
3043 /* Convert a keysym to its name. */
3046 x_get_keysym_name (keysym
)
3049 /* Make static so we can always return it */
3050 static char value
[100];
3053 GetKeyNameText (keysym
, value
, 100);
3061 /* Mouse clicks and mouse movement. Rah. */
3063 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3064 the state in PUP. XBUTTON provides extra information for extended mouse
3065 button messages. Returns FALSE if unable to parse the message. */
3067 parse_button (message
, xbutton
, pbutton
, pup
)
3078 case WM_LBUTTONDOWN
:
3086 case WM_MBUTTONDOWN
:
3087 if (NILP (Vw32_swap_mouse_buttons
))
3094 if (NILP (Vw32_swap_mouse_buttons
))
3100 case WM_RBUTTONDOWN
:
3101 if (NILP (Vw32_swap_mouse_buttons
))
3108 if (NILP (Vw32_swap_mouse_buttons
))
3114 case WM_XBUTTONDOWN
:
3115 button
= xbutton
+ 2;
3119 button
= xbutton
+ 2;
3127 if (pbutton
) *pbutton
= button
;
3133 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3135 If the event is a button press, then note that we have grabbed
3139 construct_mouse_click (result
, msg
, f
)
3140 struct input_event
*result
;
3147 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3150 /* Make the event type NO_EVENT; we'll change that when we decide
3152 result
->kind
= MOUSE_CLICK_EVENT
;
3153 result
->code
= button
;
3154 result
->timestamp
= msg
->msg
.time
;
3155 result
->modifiers
= (msg
->dwModifiers
3160 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3161 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3162 XSETFRAME (result
->frame_or_window
, f
);
3168 construct_mouse_wheel (result
, msg
, f
)
3169 struct input_event
*result
;
3176 result
->kind
= WHEEL_EVENT
;
3178 result
->timestamp
= msg
->msg
.time
;
3180 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3181 forward, away from the user (up); a negative value indicates that
3182 the wheel was rotated backward, toward the user (down). */
3183 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3185 /* The up and down modifiers indicate if the wheel was rotated up or
3186 down based on WHEEL_DELTA value. */
3187 result
->modifiers
= (msg
->dwModifiers
3188 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3190 /* With multiple monitors, we can legitimately get negative
3191 coordinates, so cast to short to interpret them correctly. */
3192 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3193 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3194 ScreenToClient (msg
->msg
.hwnd
, &p
);
3195 XSETINT (result
->x
, p
.x
);
3196 XSETINT (result
->y
, p
.y
);
3197 XSETFRAME (result
->frame_or_window
, f
);
3203 construct_drag_n_drop (result
, msg
, f
)
3204 struct input_event
*result
;
3216 result
->kind
= DRAG_N_DROP_EVENT
;
3218 result
->timestamp
= msg
->msg
.time
;
3219 result
->modifiers
= msg
->dwModifiers
;
3221 hdrop
= (HDROP
) msg
->msg
.wParam
;
3222 DragQueryPoint (hdrop
, &p
);
3225 p
.x
= LOWORD (msg
->msg
.lParam
);
3226 p
.y
= HIWORD (msg
->msg
.lParam
);
3227 ScreenToClient (msg
->msg
.hwnd
, &p
);
3230 XSETINT (result
->x
, p
.x
);
3231 XSETINT (result
->y
, p
.y
);
3233 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3236 for (i
= 0; i
< num_files
; i
++)
3238 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3241 name
= alloca (len
+ 1);
3242 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3243 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3248 XSETFRAME (frame
, f
);
3249 result
->frame_or_window
= frame
;
3250 result
->arg
= files
;
3255 /* Function to report a mouse movement to the mainstream Emacs code.
3256 The input handler calls this.
3258 We have received a mouse movement event, which is given in *event.
3259 If the mouse is over a different glyph than it was last time, tell
3260 the mainstream emacs code by setting mouse_moved. If not, ask for
3261 another motion event, so we can check again the next time it moves. */
3263 static MSG last_mouse_motion_event
;
3264 static Lisp_Object last_mouse_motion_frame
;
3267 note_mouse_movement (frame
, msg
)
3271 int mouse_x
= LOWORD (msg
->lParam
);
3272 int mouse_y
= HIWORD (msg
->lParam
);
3274 last_mouse_movement_time
= msg
->time
;
3275 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3276 XSETFRAME (last_mouse_motion_frame
, frame
);
3278 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3280 frame
->mouse_moved
= 1;
3281 last_mouse_scroll_bar
= Qnil
;
3282 note_mouse_highlight (frame
, -1, -1);
3283 last_mouse_glyph_frame
= 0;
3287 /* Has the mouse moved off the glyph it was on at the last sighting? */
3288 if (frame
!= last_mouse_glyph_frame
3289 || mouse_x
< last_mouse_glyph
.left
3290 || mouse_x
>= last_mouse_glyph
.right
3291 || mouse_y
< last_mouse_glyph
.top
3292 || mouse_y
>= last_mouse_glyph
.bottom
)
3294 frame
->mouse_moved
= 1;
3295 last_mouse_scroll_bar
= Qnil
;
3296 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3297 /* Remember the mouse position here, as w32_mouse_position only
3298 gets called when mouse tracking is enabled but we also need
3299 to keep track of the mouse for help_echo and highlighting at
3301 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3302 last_mouse_glyph_frame
= frame
;
3310 /************************************************************************
3312 ************************************************************************/
3314 static struct scroll_bar
*x_window_to_scroll_bar ();
3315 static void x_scroll_bar_report_motion ();
3316 static void x_check_fullscreen
P_ ((struct frame
*));
3319 redo_mouse_highlight ()
3321 if (!NILP (last_mouse_motion_frame
)
3322 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3323 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3324 LOWORD (last_mouse_motion_event
.lParam
),
3325 HIWORD (last_mouse_motion_event
.lParam
));
3329 w32_define_cursor (window
, cursor
)
3333 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3335 /* Return the current position of the mouse.
3336 *fp should be a frame which indicates which display to ask about.
3338 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3339 and *part to the frame, window, and scroll bar part that the mouse
3340 is over. Set *x and *y to the portion and whole of the mouse's
3341 position on the scroll bar.
3343 If the mouse movement started elsewhere, set *fp to the frame the
3344 mouse is on, *bar_window to nil, and *x and *y to the character cell
3347 Set *time to the server time-stamp for the time at which the mouse
3348 was at this position.
3350 Don't store anything if we don't have a valid set of values to report.
3352 This clears the mouse_moved flag, so we can wait for the next mouse
3356 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3359 Lisp_Object
*bar_window
;
3360 enum scroll_bar_part
*part
;
3362 unsigned long *time
;
3368 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3369 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3374 Lisp_Object frame
, tail
;
3376 /* Clear the mouse-moved flag for every frame on this display. */
3377 FOR_EACH_FRAME (tail
, frame
)
3378 XFRAME (frame
)->mouse_moved
= 0;
3380 last_mouse_scroll_bar
= Qnil
;
3384 /* Now we have a position on the root; find the innermost window
3385 containing the pointer. */
3387 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3388 && FRAME_LIVE_P (last_mouse_frame
))
3390 /* If mouse was grabbed on a frame, give coords for that frame
3391 even if the mouse is now outside it. */
3392 f1
= last_mouse_frame
;
3396 /* Is window under mouse one of our frames? */
3397 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3398 WindowFromPoint (pt
));
3401 /* If not, is it one of our scroll bars? */
3404 struct scroll_bar
*bar
3405 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3409 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3413 if (f1
== 0 && insist
> 0)
3414 f1
= SELECTED_FRAME ();
3418 /* Ok, we found a frame. Store all the values.
3419 last_mouse_glyph is a rectangle used to reduce the
3420 generation of mouse events. To not miss any motion
3421 events, we must divide the frame into rectangles of the
3422 size of the smallest character that could be displayed
3423 on it, i.e. into the same rectangles that matrices on
3424 the frame are divided into. */
3426 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3427 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3428 last_mouse_glyph_frame
= f1
;
3435 *time
= last_mouse_movement_time
;
3444 /***********************************************************************
3446 ***********************************************************************/
3448 /* Handle mouse button event on the tool-bar of frame F, at
3449 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3453 w32_handle_tool_bar_click (f
, button_event
)
3455 struct input_event
*button_event
;
3457 int x
= XFASTINT (button_event
->x
);
3458 int y
= XFASTINT (button_event
->y
);
3460 if (button_event
->modifiers
& down_modifier
)
3461 handle_tool_bar_click (f
, x
, y
, 1, 0);
3463 handle_tool_bar_click (f
, x
, y
, 0,
3464 button_event
->modifiers
& ~up_modifier
);
3469 /***********************************************************************
3471 ***********************************************************************/
3473 /* Scroll bar support. */
3475 /* Given a window ID, find the struct scroll_bar which manages it.
3476 This can be called in GC, so we have to make sure to strip off mark
3479 static struct scroll_bar
*
3480 x_window_to_scroll_bar (window_id
)
3485 for (tail
= Vframe_list
;
3486 XGCTYPE (tail
) == Lisp_Cons
;
3489 Lisp_Object frame
, bar
, condemned
;
3491 frame
= XCAR (tail
);
3492 /* All elements of Vframe_list should be frames. */
3493 if (! GC_FRAMEP (frame
))
3496 /* Scan this frame's scroll bar list for a scroll bar with the
3498 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3499 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3500 /* This trick allows us to search both the ordinary and
3501 condemned scroll bar lists with one loop. */
3502 ! GC_NILP (bar
) || (bar
= condemned
,
3505 bar
= XSCROLL_BAR (bar
)->next
)
3506 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3507 return XSCROLL_BAR (bar
);
3515 /* Set the thumb size and position of scroll bar BAR. We are currently
3516 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3519 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3520 struct scroll_bar
*bar
;
3521 int portion
, position
, whole
;
3523 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3524 /* We use the whole scroll-bar height in the calculations below, to
3525 avoid strange effects like scrolling backwards when just clicking
3526 on the handle (without moving it). */
3527 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3528 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3529 int sb_page
, sb_pos
;
3530 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3533 /* We used to change the nPage setting while dragging the handle,
3534 but that had very strange effects (such as scrolling backwards
3535 while dragging downwards).
3537 Now, we don't change the nPage setting while dragging unless we
3538 get near to the end of the buffer, in which case we often have to
3539 resize the handle to "go all the way". */
3545 si
.cbSize
= sizeof (si
);
3546 si
.fMask
= SIF_POS
| SIF_PAGE
;
3547 GetScrollInfo(w
, SB_CTL
, &si
);
3548 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3556 /* Position scroll bar at rock bottom if the bottom of the
3557 buffer is visible. This avoids shinking the thumb away
3558 to nothing if it is held at the bottom of the buffer. */
3559 if (position
+ portion
>= whole
&& !draggingp
)
3561 sb_page
= range
* (whole
- position
) / whole
;
3566 sb_pos
= position
* range
/ whole
;
3567 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3576 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3580 si
.cbSize
= sizeof (si
);
3581 si
.fMask
= SIF_PAGE
| SIF_POS
;
3585 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3591 /************************************************************************
3592 Scroll bars, general
3593 ************************************************************************/
3596 my_create_scrollbar (f
, bar
)
3598 struct scroll_bar
* bar
;
3600 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3601 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3605 /*#define ATTACH_THREADS*/
3608 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3610 #ifndef ATTACH_THREADS
3611 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3612 (WPARAM
) hwnd
, (LPARAM
) how
);
3614 return ShowWindow (hwnd
, how
);
3619 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3620 int x
, int y
, int cx
, int cy
, UINT flags
)
3622 #ifndef ATTACH_THREADS
3624 pos
.hwndInsertAfter
= hwndAfter
;
3630 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3632 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3637 my_set_focus (f
, hwnd
)
3641 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3646 my_set_foreground_window (hwnd
)
3649 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3654 my_destroy_window (f
, hwnd
)
3658 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3662 /* Create a scroll bar and return the scroll bar vector for it. W is
3663 the Emacs window on which to create the scroll bar. TOP, LEFT,
3664 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3667 static struct scroll_bar
*
3668 x_scroll_bar_create (w
, top
, left
, width
, height
)
3670 int top
, left
, width
, height
;
3672 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3675 struct scroll_bar
*bar
3676 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3680 XSETWINDOW (bar
->window
, w
);
3681 XSETINT (bar
->top
, top
);
3682 XSETINT (bar
->left
, left
);
3683 XSETINT (bar
->width
, width
);
3684 XSETINT (bar
->height
, height
);
3685 XSETINT (bar
->start
, 0);
3686 XSETINT (bar
->end
, 0);
3687 bar
->dragging
= Qnil
;
3688 bar
->fringe_extended_p
= Qnil
;
3690 /* Requires geometry to be set before call to create the real window */
3692 hwnd
= my_create_scrollbar (f
, bar
);
3694 si
.cbSize
= sizeof (si
);
3697 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3698 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3702 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3704 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3706 /* Add bar to its frame's list of scroll bars. */
3707 bar
->next
= FRAME_SCROLL_BARS (f
);
3709 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3710 if (! NILP (bar
->next
))
3711 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3719 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3723 x_scroll_bar_remove (bar
)
3724 struct scroll_bar
*bar
;
3726 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3730 /* Destroy the window. */
3731 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3733 /* Disassociate this scroll bar from its window. */
3734 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3739 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3740 that we are displaying PORTION characters out of a total of WHOLE
3741 characters, starting at POSITION. If WINDOW has no scroll bar,
3744 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3746 int portion
, whole
, position
;
3748 struct frame
*f
= XFRAME (w
->frame
);
3749 struct scroll_bar
*bar
;
3750 int top
, height
, left
, sb_left
, width
, sb_width
;
3751 int window_y
, window_height
;
3752 int fringe_extended_p
;
3754 /* Get window dimensions. */
3755 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3757 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3758 height
= window_height
;
3760 /* Compute the left edge of the scroll bar area. */
3761 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3763 /* Compute the width of the scroll bar which might be less than
3764 the width of the area reserved for the scroll bar. */
3765 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3766 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3770 /* Compute the left edge of the scroll bar. */
3771 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3772 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3774 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3776 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3777 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3778 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3779 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3780 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3782 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3783 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3784 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3785 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3787 /* Does the scroll bar exist yet? */
3788 if (NILP (w
->vertical_scroll_bar
))
3792 if (width
> 0 && height
> 0)
3794 hdc
= get_frame_dc (f
);
3795 if (fringe_extended_p
)
3796 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3798 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3799 release_frame_dc (f
, hdc
);
3803 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3807 /* It may just need to be moved and resized. */
3810 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3811 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3813 /* If already correctly positioned, do nothing. */
3814 if ( XINT (bar
->left
) == sb_left
3815 && XINT (bar
->top
) == top
3816 && XINT (bar
->width
) == sb_width
3817 && XINT (bar
->height
) == height
3818 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3820 /* Redraw after clear_frame. */
3821 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3822 InvalidateRect (hwnd
, NULL
, FALSE
);
3830 if (width
&& height
)
3832 hdc
= get_frame_dc (f
);
3833 /* Since Windows scroll bars are smaller than the space reserved
3834 for them on the frame, we have to clear "under" them. */
3835 if (fringe_extended_p
)
3836 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3838 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3839 release_frame_dc (f
, hdc
);
3841 /* Make sure scroll bar is "visible" before moving, to ensure the
3842 area of the parent window now exposed will be refreshed. */
3843 my_show_window (f
, hwnd
, SW_HIDE
);
3844 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3845 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3846 max (height
, 1), TRUE
);
3848 si
.cbSize
= sizeof (si
);
3849 si
.fMask
= SIF_RANGE
;
3851 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3852 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3854 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3856 my_show_window (f
, hwnd
, SW_NORMAL
);
3857 /* InvalidateRect (w, NULL, FALSE); */
3859 /* Remember new settings. */
3860 XSETINT (bar
->left
, sb_left
);
3861 XSETINT (bar
->top
, top
);
3862 XSETINT (bar
->width
, sb_width
);
3863 XSETINT (bar
->height
, height
);
3868 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3870 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3872 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3876 /* The following three hooks are used when we're doing a thorough
3877 redisplay of the frame. We don't explicitly know which scroll bars
3878 are going to be deleted, because keeping track of when windows go
3879 away is a real pain - "Can you say set-window-configuration, boys
3880 and girls?" Instead, we just assert at the beginning of redisplay
3881 that *all* scroll bars are to be removed, and then save a scroll bar
3882 from the fiery pit when we actually redisplay its window. */
3884 /* Arrange for all scroll bars on FRAME to be removed at the next call
3885 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3886 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3889 w32_condemn_scroll_bars (frame
)
3892 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3893 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3896 bar
= FRAME_SCROLL_BARS (frame
);
3897 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3898 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3899 XSCROLL_BAR (bar
)->prev
= Qnil
;
3900 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3901 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3902 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3907 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3908 Note that WINDOW isn't necessarily condemned at all. */
3911 w32_redeem_scroll_bar (window
)
3912 struct window
*window
;
3914 struct scroll_bar
*bar
;
3917 /* We can't redeem this window's scroll bar if it doesn't have one. */
3918 if (NILP (window
->vertical_scroll_bar
))
3921 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3923 /* Unlink it from the condemned list. */
3924 f
= XFRAME (WINDOW_FRAME (window
));
3925 if (NILP (bar
->prev
))
3927 /* If the prev pointer is nil, it must be the first in one of
3929 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3930 /* It's not condemned. Everything's fine. */
3932 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3933 window
->vertical_scroll_bar
))
3934 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3936 /* If its prev pointer is nil, it must be at the front of
3937 one or the other! */
3941 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3943 if (! NILP (bar
->next
))
3944 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3946 bar
->next
= FRAME_SCROLL_BARS (f
);
3948 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3949 if (! NILP (bar
->next
))
3950 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3953 /* Remove all scroll bars on FRAME that haven't been saved since the
3954 last call to `*condemn_scroll_bars_hook'. */
3957 w32_judge_scroll_bars (f
)
3960 Lisp_Object bar
, next
;
3962 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3964 /* Clear out the condemned list now so we won't try to process any
3965 more events on the hapless scroll bars. */
3966 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3968 for (; ! NILP (bar
); bar
= next
)
3970 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3972 x_scroll_bar_remove (b
);
3975 b
->next
= b
->prev
= Qnil
;
3978 /* Now there should be no references to the condemned scroll bars,
3979 and they should get garbage-collected. */
3982 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3983 is set to something other than NO_EVENT, it is enqueued.
3985 This may be called from a signal handler, so we have to ignore GC
3989 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3990 struct scroll_bar
*bar
;
3992 struct input_event
*emacs_event
;
3994 if (! GC_WINDOWP (bar
->window
))
3997 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3998 emacs_event
->code
= 0;
3999 /* not really meaningful to distinguish up/down */
4000 emacs_event
->modifiers
= msg
->dwModifiers
;
4001 emacs_event
->frame_or_window
= bar
->window
;
4002 emacs_event
->arg
= Qnil
;
4003 emacs_event
->timestamp
= msg
->msg
.time
;
4006 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4008 int dragging
= !NILP (bar
->dragging
);
4011 si
.cbSize
= sizeof (si
);
4014 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4017 bar
->dragging
= Qnil
;
4020 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4022 switch (LOWORD (msg
->msg
.wParam
))
4025 emacs_event
->part
= scroll_bar_down_arrow
;
4028 emacs_event
->part
= scroll_bar_up_arrow
;
4031 emacs_event
->part
= scroll_bar_above_handle
;
4034 emacs_event
->part
= scroll_bar_below_handle
;
4037 emacs_event
->part
= scroll_bar_handle
;
4041 emacs_event
->part
= scroll_bar_handle
;
4045 case SB_THUMBPOSITION
:
4046 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4047 y
= HIWORD (msg
->msg
.wParam
);
4049 emacs_event
->part
= scroll_bar_handle
;
4051 /* "Silently" update current position. */
4055 si
.cbSize
= sizeof (si
);
4058 /* Remember apparent position (we actually lag behind the real
4059 position, so don't set that directly. */
4060 last_scroll_bar_drag_pos
= y
;
4062 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4066 /* If this is the end of a drag sequence, then reset the scroll
4067 handle size to normal and do a final redraw. Otherwise do
4072 int start
= XINT (bar
->start
);
4073 int end
= XINT (bar
->end
);
4075 si
.cbSize
= sizeof (si
);
4076 si
.fMask
= SIF_PAGE
| SIF_POS
;
4077 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4078 si
.nPos
= last_scroll_bar_drag_pos
;
4079 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4083 emacs_event
->kind
= NO_EVENT
;
4087 XSETINT (emacs_event
->x
, y
);
4088 XSETINT (emacs_event
->y
, top_range
);
4094 /* Return information to the user about the current position of the mouse
4095 on the scroll bar. */
4098 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4100 Lisp_Object
*bar_window
;
4101 enum scroll_bar_part
*part
;
4103 unsigned long *time
;
4105 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4106 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4107 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4109 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4115 *bar_window
= bar
->window
;
4117 si
.cbSize
= sizeof (si
);
4118 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4120 GetScrollInfo (w
, SB_CTL
, &si
);
4122 top_range
= si
.nMax
- si
.nPage
+ 1;
4124 switch (LOWORD (last_mouse_scroll_bar_pos
))
4126 case SB_THUMBPOSITION
:
4128 *part
= scroll_bar_handle
;
4129 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4130 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4133 *part
= scroll_bar_handle
;
4137 *part
= scroll_bar_handle
;
4142 XSETINT (*y
, top_range
);
4145 last_mouse_scroll_bar
= Qnil
;
4147 *time
= last_mouse_movement_time
;
4153 /* The screen has been cleared so we may have changed foreground or
4154 background colors, and the scroll bars may need to be redrawn.
4155 Clear out the scroll bars, and ask for expose events, so we can
4159 x_scroll_bar_clear (f
)
4164 /* We can have scroll bars even if this is 0,
4165 if we just turned off scroll bar mode.
4166 But in that case we should not clear them. */
4167 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4168 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4169 bar
= XSCROLL_BAR (bar
)->next
)
4171 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4172 HDC hdc
= GetDC (window
);
4175 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4176 arranges to refresh the scroll bar if hidden. */
4177 my_show_window (f
, window
, SW_HIDE
);
4179 GetClientRect (window
, &rect
);
4180 select_palette (f
, hdc
);
4181 w32_clear_rect (f
, hdc
, &rect
);
4182 deselect_palette (f
, hdc
);
4184 ReleaseDC (window
, hdc
);
4189 /* The main W32 event-reading loop - w32_read_socket. */
4191 /* Record the last 100 characters stored
4192 to help debug the loss-of-chars-during-GC problem. */
4194 static int temp_index
;
4195 static short temp_buffer
[100];
4198 /* Read events coming from the W32 shell.
4199 This routine is called by the SIGIO handler.
4200 We return as soon as there are no more events to be read.
4202 We return the number of characters stored into the buffer,
4203 thus pretending to be `read'.
4205 EXPECTED is nonzero if the caller knows input is available.
4207 Some of these messages are reposted back to the message queue since the
4208 system calls the windows proc directly in a context where we cannot return
4209 the data nor can we guarantee the state we are in. So if we dispatch them
4210 we will get into an infinite loop. To prevent this from ever happening we
4211 will set a variable to indicate we are in the read_socket call and indicate
4212 which message we are processing since the windows proc gets called
4213 recursively with different messages by the system.
4217 w32_read_socket (sd
, expected
, hold_quit
)
4220 struct input_event
*hold_quit
;
4223 int check_visibility
= 0;
4226 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4228 if (interrupt_input_blocked
)
4230 interrupt_input_pending
= 1;
4234 interrupt_input_pending
= 0;
4237 /* So people can tell when we have read the available input. */
4238 input_signal_count
++;
4240 /* TODO: ghostscript integration. */
4241 while (get_next_msg (&msg
, FALSE
))
4243 struct input_event inev
;
4247 inev
.kind
= NO_EVENT
;
4250 switch (msg
.msg
.message
)
4253 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4257 if (msg
.rect
.right
== msg
.rect
.left
||
4258 msg
.rect
.bottom
== msg
.rect
.top
)
4260 /* We may get paint messages even though the client
4261 area is clipped - these are not expose events. */
4262 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4265 else if (f
->async_visible
!= 1)
4267 /* Definitely not obscured, so mark as visible. */
4268 f
->async_visible
= 1;
4269 f
->async_iconified
= 0;
4270 SET_FRAME_GARBAGED (f
);
4271 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4274 /* WM_PAINT serves as MapNotify as well, so report
4275 visibility changes properly. */
4278 inev
.kind
= DEICONIFY_EVENT
;
4279 XSETFRAME (inev
.frame_or_window
, f
);
4281 else if (! NILP (Vframe_list
)
4282 && ! NILP (XCDR (Vframe_list
)))
4283 /* Force a redisplay sooner or later to update the
4284 frame titles in case this is the second frame. */
4285 record_asynch_buffer_change ();
4289 HDC hdc
= get_frame_dc (f
);
4291 /* Erase background again for safety. */
4292 w32_clear_rect (f
, hdc
, &msg
.rect
);
4293 release_frame_dc (f
, hdc
);
4297 msg
.rect
.right
- msg
.rect
.left
,
4298 msg
.rect
.bottom
- msg
.rect
.top
);
4303 case WM_INPUTLANGCHANGE
:
4304 /* Generate a language change event. */
4305 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4309 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4310 XSETFRAME (inev
.frame_or_window
, f
);
4311 inev
.code
= msg
.msg
.wParam
;
4312 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4318 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4320 if (f
&& !f
->iconified
)
4322 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4323 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4325 clear_mouse_face (dpyinfo
);
4326 dpyinfo
->mouse_face_hidden
= 1;
4329 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4331 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4332 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4333 inev
.code
= msg
.msg
.wParam
;
4334 inev
.modifiers
= msg
.dwModifiers
;
4335 XSETFRAME (inev
.frame_or_window
, f
);
4336 inev
.timestamp
= msg
.msg
.time
;
4342 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4344 if (f
&& !f
->iconified
)
4346 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4347 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4349 clear_mouse_face (dpyinfo
);
4350 dpyinfo
->mouse_face_hidden
= 1;
4353 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4355 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4356 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4357 inev
.code
= msg
.msg
.wParam
;
4358 inev
.modifiers
= msg
.dwModifiers
;
4359 XSETFRAME (inev
.frame_or_window
, f
);
4360 inev
.timestamp
= msg
.msg
.time
;
4365 /* Ignore non-movement. */
4367 int x
= LOWORD (msg
.msg
.lParam
);
4368 int y
= HIWORD (msg
.msg
.lParam
);
4369 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4371 last_mousemove_x
= x
;
4372 last_mousemove_y
= y
;
4375 previous_help_echo_string
= help_echo_string
;
4376 help_echo_string
= Qnil
;
4378 if (dpyinfo
->grabbed
&& last_mouse_frame
4379 && FRAME_LIVE_P (last_mouse_frame
))
4380 f
= last_mouse_frame
;
4382 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4384 if (dpyinfo
->mouse_face_hidden
)
4386 dpyinfo
->mouse_face_hidden
= 0;
4387 clear_mouse_face (dpyinfo
);
4392 /* Generate SELECT_WINDOW_EVENTs when needed. */
4393 if (!NILP (Vmouse_autoselect_window
))
4396 int x
= LOWORD (msg
.msg
.lParam
);
4397 int y
= HIWORD (msg
.msg
.lParam
);
4399 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4401 /* Window will be selected only when it is not
4402 selected now and last mouse movement event was
4403 not in it. Minibuffer window will be selected
4404 iff it is active. */
4406 && !EQ (window
, last_window
)
4407 && !EQ (window
, selected_window
))
4409 inev
.kind
= SELECT_WINDOW_EVENT
;
4410 inev
.frame_or_window
= window
;
4415 if (!note_mouse_movement (f
, &msg
.msg
))
4416 help_echo_string
= previous_help_echo_string
;
4420 /* If we move outside the frame, then we're
4421 certainly no longer on any text in the frame. */
4422 clear_mouse_face (dpyinfo
);
4425 /* If the contents of the global variable help_echo_string
4426 has changed, generate a HELP_EVENT. */
4427 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4428 But it was originally changed to this to fix a bug, so I have
4429 not removed it completely in case the bug is still there. */
4430 if (help_echo_string
!= previous_help_echo_string
||
4431 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4432 #else /* This is what xterm.c does. */
4433 if (!NILP (help_echo_string
)
4434 || !NILP (previous_help_echo_string
))
4439 case WM_LBUTTONDOWN
:
4441 case WM_MBUTTONDOWN
:
4443 case WM_RBUTTONDOWN
:
4445 case WM_XBUTTONDOWN
:
4448 /* If we decide we want to generate an event to be seen
4449 by the rest of Emacs, we put it here. */
4454 if (dpyinfo
->grabbed
&& last_mouse_frame
4455 && FRAME_LIVE_P (last_mouse_frame
))
4456 f
= last_mouse_frame
;
4458 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4462 construct_mouse_click (&inev
, &msg
, f
);
4464 /* Is this in the tool-bar? */
4465 if (WINDOWP (f
->tool_bar_window
)
4466 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4469 int x
= XFASTINT (inev
.x
);
4470 int y
= XFASTINT (inev
.y
);
4472 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4474 if (EQ (window
, f
->tool_bar_window
))
4476 w32_handle_tool_bar_click (f
, &inev
);
4482 || (dpyinfo
->w32_focus_frame
4483 && f
!= dpyinfo
->w32_focus_frame
))
4484 inev
.kind
= NO_EVENT
;
4487 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4492 dpyinfo
->grabbed
&= ~ (1 << button
);
4496 dpyinfo
->grabbed
|= (1 << button
);
4497 last_mouse_frame
= f
;
4498 /* Ignore any mouse motion that happened
4499 before this event; any subsequent mouse-movement
4500 Emacs events should reflect only motion after
4506 last_tool_bar_item
= -1;
4513 if (dpyinfo
->grabbed
&& last_mouse_frame
4514 && FRAME_LIVE_P (last_mouse_frame
))
4515 f
= last_mouse_frame
;
4517 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4522 if (!dpyinfo
->w32_focus_frame
4523 || f
== dpyinfo
->w32_focus_frame
)
4525 /* Emit an Emacs wheel-up/down event. */
4526 construct_mouse_wheel (&inev
, &msg
, f
);
4528 /* Ignore any mouse motion that happened before this
4529 event; any subsequent mouse-movement Emacs events
4530 should reflect only motion after the
4534 last_mouse_frame
= f
;
4535 last_tool_bar_item
= -1;
4540 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4543 construct_drag_n_drop (&inev
, &msg
, f
);
4548 struct scroll_bar
*bar
=
4549 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4552 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4556 case WM_WINDOWPOSCHANGED
:
4557 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4560 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4561 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4563 check_visibility
= 1;
4567 case WM_ACTIVATEAPP
:
4568 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4570 x_check_fullscreen (f
);
4571 check_visibility
= 1;
4575 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4577 if (f
&& !f
->async_iconified
)
4581 x_real_positions (f
, &x
, &y
);
4586 check_visibility
= 1;
4590 /* wParam non-zero means Window is about to be shown, 0 means
4591 about to be hidden. */
4592 /* Redo the mouse-highlight after the tooltip has gone. */
4593 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4596 redo_mouse_highlight ();
4599 /* If window has been obscured or exposed by another window
4600 being maximised or minimised/restored, then recheck
4601 visibility of all frames. Direct changes to our own
4602 windows get handled by WM_SIZE. */
4604 if (msg
.msg
.lParam
!= 0)
4605 check_visibility
= 1;
4608 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4609 f
->async_visible
= msg
.msg
.wParam
;
4613 check_visibility
= 1;
4617 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4619 /* Inform lisp of whether frame has been iconified etc. */
4622 switch (msg
.msg
.wParam
)
4624 case SIZE_MINIMIZED
:
4625 f
->async_visible
= 0;
4626 f
->async_iconified
= 1;
4628 inev
.kind
= ICONIFY_EVENT
;
4629 XSETFRAME (inev
.frame_or_window
, f
);
4632 case SIZE_MAXIMIZED
:
4634 f
->async_visible
= 1;
4635 f
->async_iconified
= 0;
4637 /* wait_reading_process_output will notice this and update
4638 the frame's display structures. */
4639 SET_FRAME_GARBAGED (f
);
4645 /* Reset top and left positions of the Window
4646 here since Windows sends a WM_MOVE message
4647 BEFORE telling us the Window is minimized
4648 when the Window is iconified, with 3000,3000
4650 x_real_positions (f
, &x
, &y
);
4654 inev
.kind
= DEICONIFY_EVENT
;
4655 XSETFRAME (inev
.frame_or_window
, f
);
4657 else if (! NILP (Vframe_list
)
4658 && ! NILP (XCDR (Vframe_list
)))
4659 /* Force a redisplay sooner or later
4660 to update the frame titles
4661 in case this is the second frame. */
4662 record_asynch_buffer_change ();
4667 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4675 GetClientRect (msg
.msg
.hwnd
, &rect
);
4677 height
= rect
.bottom
- rect
.top
;
4678 width
= rect
.right
- rect
.left
;
4680 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4681 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4683 /* TODO: Clip size to the screen dimensions. */
4685 /* Even if the number of character rows and columns has
4686 not changed, the font size may have changed, so we need
4687 to check the pixel dimensions as well. */
4689 if (columns
!= FRAME_COLS (f
)
4690 || rows
!= FRAME_LINES (f
)
4691 || width
!= FRAME_PIXEL_WIDTH (f
)
4692 || height
!= FRAME_PIXEL_HEIGHT (f
))
4694 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4695 SET_FRAME_GARBAGED (f
);
4696 cancel_mouse_face (f
);
4697 FRAME_PIXEL_WIDTH (f
) = width
;
4698 FRAME_PIXEL_HEIGHT (f
) = height
;
4699 f
->win_gravity
= NorthWestGravity
;
4703 check_visibility
= 1;
4707 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4710 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4712 /* If we move outside the frame, then we're
4713 certainly no longer on any text in the frame. */
4714 clear_mouse_face (dpyinfo
);
4715 dpyinfo
->mouse_face_mouse_frame
= 0;
4718 /* Generate a nil HELP_EVENT to cancel a help-echo.
4719 Do it only if there's something to cancel.
4720 Otherwise, the startup message is cleared when
4721 the mouse leaves the frame. */
4722 if (any_help_event_p
)
4728 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4730 dpyinfo
->grabbed
= 0;
4731 check_visibility
= 1;
4735 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4739 if (f
== dpyinfo
->w32_focus_event_frame
)
4740 dpyinfo
->w32_focus_event_frame
= 0;
4742 if (f
== dpyinfo
->w32_focus_frame
)
4743 x_new_focus_frame (dpyinfo
, 0);
4745 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4747 /* If we move outside the frame, then we're
4748 certainly no longer on any text in the frame. */
4749 clear_mouse_face (dpyinfo
);
4750 dpyinfo
->mouse_face_mouse_frame
= 0;
4753 /* Generate a nil HELP_EVENT to cancel a help-echo.
4754 Do it only if there's something to cancel.
4755 Otherwise, the startup message is cleared when
4756 the mouse leaves the frame. */
4757 if (any_help_event_p
)
4761 dpyinfo
->grabbed
= 0;
4762 check_visibility
= 1;
4766 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4770 inev
.kind
= DELETE_WINDOW_EVENT
;
4771 XSETFRAME (inev
.frame_or_window
, f
);
4776 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4780 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4781 XSETFRAME (inev
.frame_or_window
, f
);
4786 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4790 extern void menubar_selection_callback
4791 (FRAME_PTR f
, void * client_data
);
4792 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4795 check_visibility
= 1;
4798 case WM_DISPLAYCHANGE
:
4799 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4803 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4804 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4805 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4806 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4810 check_visibility
= 1;
4814 /* Check for messages registered at runtime. */
4815 if (msg
.msg
.message
== msh_mousewheel
)
4817 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4818 msg
.msg
.message
= WM_MOUSEWHEEL
;
4824 if (inev
.kind
!= NO_EVENT
)
4826 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4831 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4836 XSETFRAME (frame
, f
);
4842 if (NILP (help_echo_string
))
4844 help_echo_object
= help_echo_window
= Qnil
;
4848 any_help_event_p
= 1;
4849 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4850 help_echo_object
, help_echo_pos
);
4854 help_echo_string
= Qnil
;
4855 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4861 /* If the focus was just given to an autoraising frame,
4863 /* ??? This ought to be able to handle more than one such frame. */
4864 if (pending_autoraise_frame
)
4866 x_raise_frame (pending_autoraise_frame
);
4867 pending_autoraise_frame
= 0;
4870 /* Check which frames are still visisble, if we have enqueued any user
4871 events or been notified of events that may affect visibility. We
4872 do this here because there doesn't seem to be any direct
4873 notification from Windows that the visibility of a window has
4874 changed (at least, not in all cases). */
4875 if (count
> 0 || check_visibility
)
4877 Lisp_Object tail
, frame
;
4879 FOR_EACH_FRAME (tail
, frame
)
4881 FRAME_PTR f
= XFRAME (frame
);
4882 /* The tooltip has been drawn already. Avoid the
4883 SET_FRAME_GARBAGED below. */
4884 if (EQ (frame
, tip_frame
))
4887 /* Check "visible" frames and mark each as obscured or not.
4888 Note that async_visible is nonzero for unobscured and
4889 obscured frames, but zero for hidden and iconified frames. */
4890 if (FRAME_W32_P (f
) && f
->async_visible
)
4896 /* Query clipping rectangle for the entire window area
4897 (GetWindowDC), not just the client portion (GetDC).
4898 Otherwise, the scrollbars and menubar aren't counted as
4899 part of the visible area of the frame, and we may think
4900 the frame is obscured when really a scrollbar is still
4901 visible and gets WM_PAINT messages above. */
4902 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4903 GetClipBox (hdc
, &clipbox
);
4904 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4907 if (clipbox
.right
== clipbox
.left
4908 || clipbox
.bottom
== clipbox
.top
)
4910 /* Frame has become completely obscured so mark as
4911 such (we do this by setting async_visible to 2 so
4912 that FRAME_VISIBLE_P is still true, but redisplay
4914 f
->async_visible
= 2;
4916 if (!FRAME_OBSCURED_P (f
))
4918 DebPrint (("frame %p (%s) obscured\n", f
,
4924 /* Frame is not obscured, so mark it as such. */
4925 f
->async_visible
= 1;
4927 if (FRAME_OBSCURED_P (f
))
4929 SET_FRAME_GARBAGED (f
);
4930 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4933 /* Force a redisplay sooner or later. */
4934 record_asynch_buffer_change ();
4947 /***********************************************************************
4949 ***********************************************************************/
4951 /* Set clipping for output in glyph row ROW. W is the window in which
4952 we operate. GC is the graphics context to set clipping in.
4954 ROW may be a text row or, e.g., a mode line. Text rows must be
4955 clipped to the interior of the window dedicated to text display,
4956 mode lines must be clipped to the whole window. */
4959 w32_clip_to_row (w
, row
, area
, hdc
)
4961 struct glyph_row
*row
;
4965 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4967 int window_x
, window_y
, window_width
;
4969 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4971 clip_rect
.left
= window_x
;
4972 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4973 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4974 clip_rect
.right
= clip_rect
.left
+ window_width
;
4975 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4977 w32_set_clip_rectangle (hdc
, &clip_rect
);
4981 /* Draw a hollow box cursor on window W in glyph row ROW. */
4984 x_draw_hollow_cursor (w
, row
)
4986 struct glyph_row
*row
;
4988 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4992 struct glyph
*cursor_glyph
;
4993 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4995 /* Get the glyph the cursor is on. If we can't tell because
4996 the current matrix is invalid or such, give up. */
4997 cursor_glyph
= get_phys_cursor_glyph (w
);
4998 if (cursor_glyph
== NULL
)
5001 /* Compute frame-relative coordinates for phys cursor. */
5002 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5005 rect
.bottom
= rect
.top
+ h
;
5006 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5008 hdc
= get_frame_dc (f
);
5009 /* Set clipping, draw the rectangle, and reset clipping again. */
5010 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5011 FrameRect (hdc
, &rect
, hb
);
5013 w32_set_clip_rectangle (hdc
, NULL
);
5014 release_frame_dc (f
, hdc
);
5018 /* Draw a bar cursor on window W in glyph row ROW.
5020 Implementation note: One would like to draw a bar cursor with an
5021 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5022 Unfortunately, I didn't find a font yet that has this property set.
5026 x_draw_bar_cursor (w
, row
, width
, kind
)
5028 struct glyph_row
*row
;
5030 enum text_cursor_kinds kind
;
5032 struct frame
*f
= XFRAME (w
->frame
);
5033 struct glyph
*cursor_glyph
;
5037 /* If cursor is out of bounds, don't draw garbage. This can happen
5038 in mini-buffer windows when switching between echo area glyphs
5040 cursor_glyph
= get_phys_cursor_glyph (w
);
5041 if (cursor_glyph
== NULL
)
5044 /* If on an image, draw like a normal cursor. That's usually better
5045 visible than drawing a bar, esp. if the image is large so that
5046 the bar might not be in the window. */
5047 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5049 struct glyph_row
*row
;
5050 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5051 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5055 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5056 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5058 /* If the glyph's background equals the color we normally draw
5059 the bar cursor in, the bar cursor in its normal color is
5060 invisible. Use the glyph's foreground color instead in this
5061 case, on the assumption that the glyph's colors are chosen so
5062 that the glyph is legible. */
5063 if (face
->background
== cursor_color
)
5064 cursor_color
= face
->foreground
;
5066 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5069 width
= FRAME_CURSOR_WIDTH (f
);
5070 width
= min (cursor_glyph
->pixel_width
, width
);
5072 w
->phys_cursor_width
= width
;
5075 hdc
= get_frame_dc (f
);
5076 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5078 if (kind
== BAR_CURSOR
)
5080 w32_fill_area (f
, hdc
, cursor_color
, x
,
5081 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5082 width
, row
->height
);
5086 w32_fill_area (f
, hdc
, cursor_color
, x
,
5087 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5088 row
->height
- width
),
5089 cursor_glyph
->pixel_width
, width
);
5092 w32_set_clip_rectangle (hdc
, NULL
);
5093 release_frame_dc (f
, hdc
);
5098 /* RIF: Define cursor CURSOR on frame F. */
5101 w32_define_frame_cursor (f
, cursor
)
5105 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5109 /* RIF: Clear area on frame F. */
5112 w32_clear_frame_area (f
, x
, y
, width
, height
)
5114 int x
, y
, width
, height
;
5118 hdc
= get_frame_dc (f
);
5119 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5120 release_frame_dc (f
, hdc
);
5123 /* RIF: Draw or clear cursor on window W. */
5126 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5128 struct glyph_row
*glyph_row
;
5130 int cursor_type
, cursor_width
;
5135 /* If the user wants to use the system caret, make sure our own
5136 cursor remains invisible. */
5137 if (w32_use_visible_system_caret
)
5139 /* Call to erase_phys_cursor here seems to use the
5140 wrong values of w->phys_cursor, as they have been
5141 overwritten before this function was called. */
5142 if (w
->phys_cursor_type
!= NO_CURSOR
)
5143 erase_phys_cursor (w
);
5145 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5146 w
->phys_cursor_width
= -1;
5150 w
->phys_cursor_type
= cursor_type
;
5153 w
->phys_cursor_on_p
= 1;
5155 /* If this is the active cursor, we need to track it with the
5156 system caret, so third party software like screen magnifiers
5157 and speech synthesizers can follow the cursor. */
5160 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5161 HWND hwnd
= FRAME_W32_WINDOW (f
);
5164 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5166 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5167 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5169 /* If the size of the active cursor changed, destroy the old
5171 if (w32_system_caret_hwnd
5172 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5173 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5175 w32_system_caret_height
= w
->phys_cursor_height
;
5177 /* Move the system caret. */
5178 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5181 if (glyph_row
->exact_window_width_line_p
5182 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5184 glyph_row
->cursor_in_fringe_p
= 1;
5185 draw_fringe_bitmap (w
, glyph_row
, 0);
5189 switch (cursor_type
)
5191 case HOLLOW_BOX_CURSOR
:
5192 x_draw_hollow_cursor (w
, glyph_row
);
5195 case FILLED_BOX_CURSOR
:
5196 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5200 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5204 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5208 w
->phys_cursor_width
= 0;
5222 x_bitmap_icon (f
, icon
)
5227 HANDLE small_icon
= NULL
;
5229 if (FRAME_W32_WINDOW (f
) == 0)
5233 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5234 else if (STRINGP (icon
))
5236 /* Load the main icon from the named file. */
5237 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5238 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5239 /* Try to load a small icon to go with it. */
5240 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5241 GetSystemMetrics (SM_CXSMICON
),
5242 GetSystemMetrics (SM_CYSMICON
),
5245 else if (SYMBOLP (icon
))
5249 if (EQ (icon
, intern ("application")))
5250 name
= (LPCTSTR
) IDI_APPLICATION
;
5251 else if (EQ (icon
, intern ("hand")))
5252 name
= (LPCTSTR
) IDI_HAND
;
5253 else if (EQ (icon
, intern ("question")))
5254 name
= (LPCTSTR
) IDI_QUESTION
;
5255 else if (EQ (icon
, intern ("exclamation")))
5256 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5257 else if (EQ (icon
, intern ("asterisk")))
5258 name
= (LPCTSTR
) IDI_ASTERISK
;
5259 else if (EQ (icon
, intern ("winlogo")))
5260 name
= (LPCTSTR
) IDI_WINLOGO
;
5264 main_icon
= LoadIcon (NULL
, name
);
5269 if (main_icon
== NULL
)
5272 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5273 (LPARAM
) main_icon
);
5275 /* If there is a small icon that goes with it, set that too. */
5277 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5278 (LPARAM
) small_icon
);
5284 /************************************************************************
5286 ************************************************************************/
5288 /* Display Error Handling functions not used on W32. Listing them here
5289 helps diff stay in step when comparing w32term.c with xterm.c.
5291 x_error_catcher (display, error)
5292 x_catch_errors (dpy)
5293 x_catch_errors_unwind (old_val)
5294 x_check_errors (dpy, format)
5295 x_fully_uncatch_errors ()
5296 x_catching_errors ()
5297 x_had_errors_p (dpy)
5298 x_clear_errors (dpy)
5299 x_uncatch_errors (dpy, count)
5301 x_connection_signal (signalnum)
5302 x_connection_closed (dpy, error_message)
5303 x_error_quitter (display, error)
5304 x_error_handler (display, error)
5305 x_io_error_quitter (display)
5310 /* Changing the font of the frame. */
5312 /* Give frame F the font named FONTNAME as its default font, and
5313 return the full name of that font. FONTNAME may be a wildcard
5314 pattern; in that case, we choose some font that fits the pattern.
5315 The return value shows which font we chose. */
5318 x_new_font (f
, fontname
)
5320 register char *fontname
;
5322 struct font_info
*fontp
5323 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5328 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5329 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5330 FRAME_FONTSET (f
) = -1;
5332 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5333 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5334 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5336 compute_fringe_widths (f
, 1);
5338 /* Compute the scroll bar width in character columns. */
5339 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5341 int wid
= FRAME_COLUMN_WIDTH (f
);
5342 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5343 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5347 int wid
= FRAME_COLUMN_WIDTH (f
);
5348 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5351 /* Now make the frame display the given font. */
5352 if (FRAME_W32_WINDOW (f
) != 0)
5354 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5355 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5358 return build_string (fontp
->full_name
);
5361 /* Give frame F the fontset named FONTSETNAME as its default font, and
5362 return the full name of that fontset. FONTSETNAME may be a wildcard
5363 pattern; in that case, we choose some fontset that fits the pattern.
5364 The return value shows which fontset we chose. */
5367 x_new_fontset (f
, fontsetname
)
5371 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5377 if (FRAME_FONTSET (f
) == fontset
)
5378 /* This fontset is already set in frame F. There's nothing more
5380 return fontset_name (fontset
);
5382 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5384 if (!STRINGP (result
))
5385 /* Can't load ASCII font. */
5388 /* Since x_new_font doesn't update any fontset information, do it now. */
5389 FRAME_FONTSET(f
) = fontset
;
5391 return build_string (fontsetname
);
5395 /***********************************************************************
5396 TODO: W32 Input Methods
5397 ***********************************************************************/
5398 /* Listing missing functions from xterm.c helps diff stay in step.
5400 xim_destroy_callback (xim, client_data, call_data)
5401 xim_open_dpy (dpyinfo, resource_name)
5403 xim_instantiate_callback (display, client_data, call_data)
5404 xim_initialize (dpyinfo, resource_name)
5405 xim_close_dpy (dpyinfo)
5410 /* Calculate the absolute position in frame F
5411 from its current recorded position values and gravity. */
5414 x_calc_absolute_position (f
)
5417 int flags
= f
->size_hint_flags
;
5419 /* The sum of the widths of the frame's left and right borders, and
5420 the sum of the heights of the frame's top and bottom borders (in
5421 pixels) drawn by Windows. */
5422 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5424 /* Try to get the actual values of these two variables. We compute
5425 the border width (height) by subtracting the width (height) of
5426 the frame's client area from the width (height) of the frame's
5428 WINDOWPLACEMENT wp
= { 0 };
5429 RECT client_rect
= { 0 };
5431 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5432 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5434 left_right_borders_width
=
5435 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5436 (client_rect
.right
- client_rect
.left
);
5438 top_bottom_borders_height
=
5439 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5440 (client_rect
.bottom
- client_rect
.top
);
5444 /* Use sensible default values. */
5445 left_right_borders_width
= 8;
5446 top_bottom_borders_height
= 32;
5449 /* Treat negative positions as relative to the rightmost bottommost
5450 position that fits on the screen. */
5451 if (flags
& XNegative
)
5452 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5453 - FRAME_PIXEL_WIDTH (f
)
5455 - (left_right_borders_width
- 1));
5457 if (flags
& YNegative
)
5458 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5459 - FRAME_PIXEL_HEIGHT (f
)
5461 - (top_bottom_borders_height
- 1));
5463 /* The left_pos and top_pos are now relative to the top and left
5464 screen edges, so the flags should correspond. */
5465 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5468 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5469 to really change the position, and 0 when calling from
5470 x_make_frame_visible (in that case, XOFF and YOFF are the current
5471 position values). It is -1 when calling from x_set_frame_parameters,
5472 which means, do adjust for borders but don't change the gravity. */
5475 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5477 register int xoff
, yoff
;
5480 int modified_top
, modified_left
;
5482 if (change_gravity
> 0)
5486 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5488 f
->size_hint_flags
|= XNegative
;
5490 f
->size_hint_flags
|= YNegative
;
5491 f
->win_gravity
= NorthWestGravity
;
5493 x_calc_absolute_position (f
);
5496 x_wm_set_size_hint (f
, (long) 0, 0);
5498 modified_left
= f
->left_pos
;
5499 modified_top
= f
->top_pos
;
5501 my_set_window_pos (FRAME_W32_WINDOW (f
),
5503 modified_left
, modified_top
,
5505 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5510 /* Check if we need to resize the frame due to a fullscreen request.
5511 If so needed, resize the frame. */
5513 x_check_fullscreen (f
)
5516 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5518 int width
, height
, ign
;
5520 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5522 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5524 /* We do not need to move the window, it shall be taken care of
5525 when setting WM manager hints. */
5526 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5528 change_frame_size (f
, height
, width
, 0, 1, 0);
5529 SET_FRAME_GARBAGED (f
);
5530 cancel_mouse_face (f
);
5532 /* Wait for the change of frame size to occur */
5533 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5538 /* Call this to change the size of frame F's x-window.
5539 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5540 for this size change and subsequent size changes.
5541 Otherwise we leave the window gravity unchanged. */
5544 x_set_window_size (f
, change_gravity
, cols
, rows
)
5549 int pixelwidth
, pixelheight
;
5553 check_frame_size (f
, &rows
, &cols
);
5554 f
->scroll_bar_actual_width
5555 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5557 compute_fringe_widths (f
, 0);
5559 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5560 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5562 f
->win_gravity
= NorthWestGravity
;
5563 x_wm_set_size_hint (f
, (long) 0, 0);
5568 rect
.left
= rect
.top
= 0;
5569 rect
.right
= pixelwidth
;
5570 rect
.bottom
= pixelheight
;
5572 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5573 FRAME_EXTERNAL_MENU_BAR (f
));
5575 my_set_window_pos (FRAME_W32_WINDOW (f
),
5578 rect
.right
- rect
.left
,
5579 rect
.bottom
- rect
.top
,
5580 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5583 /* Now, strictly speaking, we can't be sure that this is accurate,
5584 but the window manager will get around to dealing with the size
5585 change request eventually, and we'll hear how it went when the
5586 ConfigureNotify event gets here.
5588 We could just not bother storing any of this information here,
5589 and let the ConfigureNotify event set everything up, but that
5590 might be kind of confusing to the Lisp code, since size changes
5591 wouldn't be reported in the frame parameters until some random
5592 point in the future when the ConfigureNotify event arrives.
5594 We pass 1 for DELAY since we can't run Lisp code inside of
5596 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5597 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5598 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5600 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5601 receive in the ConfigureNotify event; if we get what we asked
5602 for, then the event won't cause the screen to become garbaged, so
5603 we have to make sure to do it here. */
5604 SET_FRAME_GARBAGED (f
);
5606 /* If cursor was outside the new size, mark it as off. */
5607 mark_window_cursors_off (XWINDOW (f
->root_window
));
5609 /* Clear out any recollection of where the mouse highlighting was,
5610 since it might be in a place that's outside the new frame size.
5611 Actually checking whether it is outside is a pain in the neck,
5612 so don't try--just let the highlighting be done afresh with new size. */
5613 cancel_mouse_face (f
);
5618 /* Mouse warping. */
5620 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5623 x_set_mouse_position (f
, x
, y
)
5629 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5630 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5632 if (pix_x
< 0) pix_x
= 0;
5633 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5635 if (pix_y
< 0) pix_y
= 0;
5636 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5638 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5642 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5651 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5652 pt
.x
= rect
.left
+ pix_x
;
5653 pt
.y
= rect
.top
+ pix_y
;
5654 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5656 SetCursorPos (pt
.x
, pt
.y
);
5662 /* focus shifting, raising and lowering. */
5665 x_focus_on_frame (f
)
5668 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5670 /* Give input focus to frame. */
5673 /* Try not to change its Z-order if possible. */
5674 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5675 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5678 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5688 /* Raise frame F. */
5695 /* Strictly speaking, raise-frame should only change the frame's Z
5696 order, leaving input focus unchanged. This is reasonable behaviour
5697 on X where the usual policy is point-to-focus. However, this
5698 behaviour would be very odd on Windows where the usual policy is
5701 On X, if the mouse happens to be over the raised frame, it gets
5702 input focus anyway (so the window with focus will never be
5703 completely obscured) - if not, then just moving the mouse over it
5704 is sufficient to give it focus. On Windows, the user must actually
5705 click on the frame (preferrably the title bar so as not to move
5706 point), which is more awkward. Also, no other Windows program
5707 raises a window to the top but leaves another window (possibly now
5708 completely obscured) with input focus.
5710 Because there is a system setting on Windows that allows the user
5711 to choose the point to focus policy, we make the strict semantics
5712 optional, but by default we grab focus when raising. */
5714 if (NILP (Vw32_grab_focus_on_raise
))
5716 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5717 not already the foreground application: the frame is raised
5718 above all other frames belonging to us, but not above the
5719 current top window. To achieve that, we have to resort to this
5720 more cumbersome method. */
5722 HDWP handle
= BeginDeferWindowPos (2);
5725 DeferWindowPos (handle
,
5726 FRAME_W32_WINDOW (f
),
5729 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5731 DeferWindowPos (handle
,
5732 GetForegroundWindow (),
5733 FRAME_W32_WINDOW (f
),
5735 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5737 EndDeferWindowPos (handle
);
5742 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5748 /* Lower frame F. */
5754 my_set_window_pos (FRAME_W32_WINDOW (f
),
5757 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5762 w32_frame_raise_lower (f
, raise_flag
)
5766 if (! FRAME_W32_P (f
))
5775 /* Change of visibility. */
5777 /* This tries to wait until the frame is really visible.
5778 However, if the window manager asks the user where to position
5779 the frame, this will return before the user finishes doing that.
5780 The frame will not actually be visible at that time,
5781 but it will become visible later when the window manager
5782 finishes with it. */
5785 x_make_frame_visible (f
)
5792 type
= x_icon_type (f
);
5794 x_bitmap_icon (f
, type
);
5796 if (! FRAME_VISIBLE_P (f
))
5798 /* We test FRAME_GARBAGED_P here to make sure we don't
5799 call x_set_offset a second time
5800 if we get to x_make_frame_visible a second time
5801 before the window gets really visible. */
5802 if (! FRAME_ICONIFIED_P (f
)
5803 && ! f
->output_data
.w32
->asked_for_visible
)
5808 /* Adjust vertical window position in order to avoid being
5809 covered by a task bar placed at the bottom of the desktop. */
5810 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5811 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5812 if (window_rect
.bottom
> workarea_rect
.bottom
5813 && window_rect
.top
> workarea_rect
.top
)
5814 f
->top_pos
= max (window_rect
.top
5815 - window_rect
.bottom
+ workarea_rect
.bottom
,
5818 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5821 f
->output_data
.w32
->asked_for_visible
= 1;
5823 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5824 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5827 /* Synchronize to ensure Emacs knows the frame is visible
5828 before we do anything else. We do this loop with input not blocked
5829 so that incoming events are handled. */
5834 /* This must come after we set COUNT. */
5837 XSETFRAME (frame
, f
);
5839 /* Wait until the frame is visible. Process X events until a
5840 MapNotify event has been seen, or until we think we won't get a
5841 MapNotify at all.. */
5842 for (count
= input_signal_count
+ 10;
5843 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5845 /* Force processing of queued events. */
5846 /* TODO: x_sync equivalent? */
5848 /* Machines that do polling rather than SIGIO have been observed
5849 to go into a busy-wait here. So we'll fake an alarm signal
5850 to let the handler know that there's something to be read.
5851 We used to raise a real alarm, but it seems that the handler
5852 isn't always enabled here. This is probably a bug. */
5853 if (input_polling_used ())
5855 /* It could be confusing if a real alarm arrives while processing
5856 the fake one. Turn it off and let the handler reset it. */
5857 int old_poll_suppress_count
= poll_suppress_count
;
5858 poll_suppress_count
= 1;
5859 poll_for_input_1 ();
5860 poll_suppress_count
= old_poll_suppress_count
;
5863 FRAME_SAMPLE_VISIBILITY (f
);
5867 /* Change from mapped state to withdrawn state. */
5869 /* Make the frame visible (mapped and not iconified). */
5871 x_make_frame_invisible (f
)
5874 /* Don't keep the highlight on an invisible frame. */
5875 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5876 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5880 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5882 /* We can't distinguish this from iconification
5883 just by the event that we get from the server.
5884 So we can't win using the usual strategy of letting
5885 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5886 and synchronize with the server to make sure we agree. */
5888 FRAME_ICONIFIED_P (f
) = 0;
5889 f
->async_visible
= 0;
5890 f
->async_iconified
= 0;
5895 /* Change window state from mapped to iconified. */
5903 /* Don't keep the highlight on an invisible frame. */
5904 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5905 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5907 if (f
->async_iconified
)
5912 type
= x_icon_type (f
);
5914 x_bitmap_icon (f
, type
);
5916 /* Simulate the user minimizing the frame. */
5917 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5923 /* Free X resources of frame F. */
5926 x_free_frame_resources (f
)
5929 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5933 if (FRAME_W32_WINDOW (f
))
5934 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5936 free_frame_menubar (f
);
5938 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5939 unload_color (f
, f
->output_data
.x
->background_pixel
);
5940 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5941 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5942 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5943 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5944 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5945 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5946 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5947 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5949 if (FRAME_FACE_CACHE (f
))
5950 free_frame_faces (f
);
5952 xfree (f
->output_data
.w32
);
5953 f
->output_data
.w32
= NULL
;
5955 if (f
== dpyinfo
->w32_focus_frame
)
5956 dpyinfo
->w32_focus_frame
= 0;
5957 if (f
== dpyinfo
->w32_focus_event_frame
)
5958 dpyinfo
->w32_focus_event_frame
= 0;
5959 if (f
== dpyinfo
->x_highlight_frame
)
5960 dpyinfo
->x_highlight_frame
= 0;
5962 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5964 dpyinfo
->mouse_face_beg_row
5965 = dpyinfo
->mouse_face_beg_col
= -1;
5966 dpyinfo
->mouse_face_end_row
5967 = dpyinfo
->mouse_face_end_col
= -1;
5968 dpyinfo
->mouse_face_window
= Qnil
;
5969 dpyinfo
->mouse_face_deferred_gc
= 0;
5970 dpyinfo
->mouse_face_mouse_frame
= 0;
5977 /* Destroy the window of frame F. */
5979 x_destroy_window (f
)
5982 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5984 x_free_frame_resources (f
);
5986 dpyinfo
->reference_count
--;
5990 /* Setting window manager hints. */
5992 /* Set the normal size hints for the window manager, for frame F.
5993 FLAGS is the flags word to use--or 0 meaning preserve the flags
5994 that the window now has.
5995 If USER_POSITION is nonzero, we set the USPosition
5996 flag (this is useful when FLAGS is 0). */
5998 x_wm_set_size_hint (f
, flags
, user_position
)
6003 Window window
= FRAME_W32_WINDOW (f
);
6007 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6008 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6009 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6010 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6015 /* Window manager things */
6017 x_wm_set_icon_position (f
, icon_x
, icon_y
)
6022 Window window
= FRAME_W32_WINDOW (f
);
6024 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6025 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6026 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6028 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6033 /***********************************************************************
6035 ***********************************************************************/
6037 /* The following functions are listed here to help diff stay in step
6038 with xterm.c. See w32fns.c for definitions.
6040 x_get_font_info (f, font_idx)
6041 x_list_fonts (f, pattern, size, maxnames)
6047 /* Check that FONT is valid on frame F. It is if it can be found in F's
6051 x_check_font (f
, font
)
6056 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6058 xassert (font
!= NULL
);
6060 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6061 if (dpyinfo
->font_table
[i
].name
6062 && font
== dpyinfo
->font_table
[i
].font
)
6065 xassert (i
< dpyinfo
->n_fonts
);
6068 #endif /* GLYPH_DEBUG != 0 */
6070 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6071 Note: There are (broken) X fonts out there with invalid XFontStruct
6072 min_bounds contents. For example, handa@etl.go.jp reports that
6073 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6074 have font->min_bounds.width == 0. */
6077 x_font_min_bounds (font
, w
, h
)
6082 * TODO: Windows does not appear to offer min bound, only
6083 * average and maximum width, and maximum height.
6085 *h
= FONT_HEIGHT (font
);
6086 *w
= FONT_WIDTH (font
);
6090 /* Compute the smallest character width and smallest font height over
6091 all fonts available on frame F. Set the members smallest_char_width
6092 and smallest_font_height in F's x_display_info structure to
6093 the values computed. Value is non-zero if smallest_font_height or
6094 smallest_char_width become smaller than they were before. */
6097 x_compute_min_glyph_bounds (f
)
6101 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6103 int old_width
= dpyinfo
->smallest_char_width
;
6104 int old_height
= dpyinfo
->smallest_font_height
;
6106 dpyinfo
->smallest_font_height
= 100000;
6107 dpyinfo
->smallest_char_width
= 100000;
6109 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6110 if (dpyinfo
->font_table
[i
].name
)
6112 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6115 font
= (XFontStruct
*) fontp
->font
;
6116 xassert (font
!= (XFontStruct
*) ~0);
6117 x_font_min_bounds (font
, &w
, &h
);
6119 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6120 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6123 xassert (dpyinfo
->smallest_char_width
> 0
6124 && dpyinfo
->smallest_font_height
> 0);
6126 return (dpyinfo
->n_fonts
== 1
6127 || dpyinfo
->smallest_char_width
< old_width
6128 || dpyinfo
->smallest_font_height
< old_height
);
6131 /* The following functions are listed here to help diff stay in step
6132 with xterm.c. See w32fns.c for definitions.
6134 x_load_font (f, fontname, size)
6135 x_query_font (f, fontname)
6136 x_find_ccl_program (fontp)
6140 /***********************************************************************
6142 ***********************************************************************/
6144 static int w32_initialized
= 0;
6147 w32_initialize_display_info (display_name
)
6148 Lisp_Object display_name
;
6150 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6152 bzero (dpyinfo
, sizeof (*dpyinfo
));
6154 /* Put it on w32_display_name_list. */
6155 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6156 w32_display_name_list
);
6157 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6159 dpyinfo
->w32_id_name
6160 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6161 + SCHARS (Vsystem_name
)
6163 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6164 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6166 /* Default Console mode values - overridden when running in GUI mode
6167 with values obtained from system metrics. */
6170 dpyinfo
->height_in
= 1;
6171 dpyinfo
->width_in
= 1;
6172 dpyinfo
->n_planes
= 1;
6173 dpyinfo
->n_cbits
= 4;
6174 dpyinfo
->n_fonts
= 0;
6175 dpyinfo
->smallest_font_height
= 1;
6176 dpyinfo
->smallest_char_width
= 1;
6178 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6179 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6180 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6181 dpyinfo
->mouse_face_window
= Qnil
;
6182 dpyinfo
->mouse_face_overlay
= Qnil
;
6183 dpyinfo
->mouse_face_hidden
= 0;
6185 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6186 /* TODO: dpyinfo->gray */
6190 /* Create an xrdb-style database of resources to supercede registry settings.
6191 The database is just a concatenation of C strings, finished by an additional
6192 \0. The string are submitted to some basic normalization, so
6194 [ *]option[ *]:[ *]value...
6200 but any whitespace following value is not removed. */
6203 w32_make_rdb (xrm_option
)
6206 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6207 char *current
= buffer
;
6210 int before_value
= 0;
6224 if (in_option
&& (ch
== ':'))
6229 else if (before_value
)
6234 else if (!(in_option
|| before_value
))
6245 struct w32_display_info
*
6246 w32_term_init (display_name
, xrm_option
, resource_name
)
6247 Lisp_Object display_name
;
6249 char *resource_name
;
6251 struct w32_display_info
*dpyinfo
;
6256 if (!w32_initialized
)
6259 w32_initialized
= 1;
6262 w32_initialize_display_info (display_name
);
6264 dpyinfo
= &one_w32_display_info
;
6266 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6268 /* Put this display on the chain. */
6269 dpyinfo
->next
= x_display_list
;
6270 x_display_list
= dpyinfo
;
6272 hdc
= GetDC (GetDesktopWindow ());
6274 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6275 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6276 dpyinfo
->root_window
= GetDesktopWindow ();
6277 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6278 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6279 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6280 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6281 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6282 dpyinfo
->image_cache
= make_image_cache ();
6283 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6284 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6285 ReleaseDC (GetDesktopWindow (), hdc
);
6287 /* initialise palette with white and black */
6290 w32_defined_color (0, "white", &color
, 1);
6291 w32_defined_color (0, "black", &color
, 1);
6294 /* Create Fringe Bitmaps and store them for later use.
6296 On W32, bitmaps are all unsigned short, as Windows requires
6297 bitmap data to be Word aligned. For some reason they are
6298 horizontally reflected compared to how they appear on X, so we
6299 need to bitswap and convert to unsigned shorts before creating
6303 #ifndef F_SETOWN_BUG
6305 #ifdef F_SETOWN_SOCK_NEG
6306 /* stdin is a socket here */
6307 fcntl (connection
, F_SETOWN
, -getpid ());
6308 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6309 fcntl (connection
, F_SETOWN
, getpid ());
6310 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6311 #endif /* ! defined (F_SETOWN) */
6312 #endif /* F_SETOWN_BUG */
6315 if (interrupt_input
)
6316 init_sigio (connection
);
6317 #endif /* ! defined (SIGIO) */
6324 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6327 x_delete_display (dpyinfo
)
6328 struct w32_display_info
*dpyinfo
;
6330 /* Discard this display from w32_display_name_list and w32_display_list.
6331 We can't use Fdelq because that can quit. */
6332 if (! NILP (w32_display_name_list
)
6333 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6334 w32_display_name_list
= XCDR (w32_display_name_list
);
6339 tail
= w32_display_name_list
;
6340 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6342 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6344 XSETCDR (tail
, XCDR (XCDR (tail
)));
6351 /* free palette table */
6353 struct w32_palette_entry
* plist
;
6355 plist
= dpyinfo
->color_list
;
6358 struct w32_palette_entry
* pentry
= plist
;
6359 plist
= plist
->next
;
6362 dpyinfo
->color_list
= NULL
;
6363 if (dpyinfo
->palette
)
6364 DeleteObject(dpyinfo
->palette
);
6366 xfree (dpyinfo
->font_table
);
6367 xfree (dpyinfo
->w32_id_name
);
6369 w32_reset_fringes ();
6372 /* Set up use of W32. */
6374 DWORD WINAPI
w32_msg_worker (void * arg
);
6377 x_flush (struct frame
* f
)
6378 { /* Nothing to do */ }
6380 extern frame_parm_handler w32_frame_parm_handlers
[];
6382 static struct redisplay_interface w32_redisplay_interface
=
6384 w32_frame_parm_handlers
,
6388 x_clear_end_of_line
,
6390 x_after_update_window_line
,
6391 x_update_window_begin
,
6392 x_update_window_end
,
6395 0, /* flush_display_optional */
6396 x_clear_window_mouse_face
,
6397 w32_get_glyph_overhangs
,
6398 x_fix_overlapping_area
,
6399 w32_draw_fringe_bitmap
,
6400 w32_define_fringe_bitmap
,
6401 w32_destroy_fringe_bitmap
,
6402 w32_per_char_metric
,
6404 NULL
, /* w32_compute_glyph_string_overhangs */
6405 x_draw_glyph_string
,
6406 w32_define_frame_cursor
,
6407 w32_clear_frame_area
,
6408 w32_draw_window_cursor
,
6409 w32_draw_vertical_window_border
,
6410 w32_shift_glyphs_for_insert
6416 rif
= &w32_redisplay_interface
;
6418 /* MSVC does not type K&R functions with no arguments correctly, and
6419 so we must explicitly cast them. */
6420 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6421 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6422 update_begin_hook
= x_update_begin
;
6423 update_end_hook
= x_update_end
;
6425 read_socket_hook
= w32_read_socket
;
6427 frame_up_to_date_hook
= w32_frame_up_to_date
;
6429 mouse_position_hook
= w32_mouse_position
;
6430 frame_rehighlight_hook
= w32_frame_rehighlight
;
6431 frame_raise_lower_hook
= w32_frame_raise_lower
;
6432 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6433 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6434 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6435 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6437 scroll_region_ok
= 1; /* we'll scroll partial frames */
6438 char_ins_del_ok
= 1;
6439 line_ins_del_ok
= 1; /* we'll just blt 'em */
6440 fast_clear_end_of_line
= 1; /* X does this well */
6441 memory_below_frame
= 0; /* we don't remember what scrolls
6445 w32_system_caret_hwnd
= NULL
;
6446 w32_system_caret_height
= 0;
6447 w32_system_caret_x
= 0;
6448 w32_system_caret_y
= 0;
6450 /* Initialize w32_use_visible_system_caret based on whether a screen
6451 reader is in use. */
6452 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6453 &w32_use_visible_system_caret
, 0))
6454 w32_use_visible_system_caret
= 0;
6456 last_tool_bar_item
= -1;
6457 any_help_event_p
= 0;
6459 /* Initialize input mode: interrupt_input off, no flow control, allow
6460 8 bit character input, standard quit char. */
6461 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6463 /* Create the window thread - it will terminate itself or when the app terminates */
6467 dwMainThreadId
= GetCurrentThreadId ();
6468 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6469 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6471 /* Wait for thread to start */
6476 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6478 hWindowsThread
= CreateThread (NULL
, 0,
6480 0, 0, &dwWindowsThreadId
);
6482 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6485 /* It is desirable that mainThread should have the same notion of
6486 focus window and active window as windowsThread. Unfortunately, the
6487 following call to AttachThreadInput, which should do precisely what
6488 we need, causes major problems when Emacs is linked as a console
6489 program. Unfortunately, we have good reasons for doing that, so
6490 instead we need to send messages to windowsThread to make some API
6491 calls for us (ones that affect, or depend on, the active/focus
6493 #ifdef ATTACH_THREADS
6494 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6497 /* Load system settings. */
6499 UINT smoothing_type
;
6500 BOOL smoothing_enabled
;
6502 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6503 otherwise use the fixed height. */
6504 vertical_scroll_bar_min_handle
= 5;
6506 /* For either kind of scroll bar, take account of the arrows; these
6507 effectively form the border of the main scroll bar range. */
6508 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6509 = GetSystemMetrics (SM_CYVSCROLL
);
6511 /* Constants that are not always defined by the system headers
6512 since they only exist on certain versions of Windows. */
6513 #ifndef SPI_GETFONTSMOOTHING
6514 #define SPI_GETFONTSMOOTHING 0x4A
6516 #ifndef SPI_GETFONTSMOOTHINGTYPE
6517 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6519 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6520 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6523 /* Determine if Cleartype is in use. Used to enable a hack in
6524 the char metric calculations which adds extra pixels to
6525 compensate for the "sub-pixels" that are not counted by the
6528 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6529 && smoothing_enabled
6530 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6531 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6538 staticpro (&w32_display_name_list
);
6539 w32_display_name_list
= Qnil
;
6541 staticpro (&last_mouse_scroll_bar
);
6542 last_mouse_scroll_bar
= Qnil
;
6544 staticpro (&Qvendor_specific_keysyms
);
6545 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6547 DEFVAR_INT ("w32-num-mouse-buttons",
6548 &w32_num_mouse_buttons
,
6549 doc
: /* Number of physical mouse buttons. */);
6550 w32_num_mouse_buttons
= 2;
6552 DEFVAR_LISP ("w32-swap-mouse-buttons",
6553 &Vw32_swap_mouse_buttons
,
6554 doc
: /* Swap the mapping of middle and right mouse buttons.
6555 When nil, middle button is mouse-2 and right button is mouse-3. */);
6556 Vw32_swap_mouse_buttons
= Qnil
;
6558 DEFVAR_LISP ("w32-grab-focus-on-raise",
6559 &Vw32_grab_focus_on_raise
,
6560 doc
: /* Raised frame grabs input focus.
6561 When t, `raise-frame' grabs input focus as well. This fits well
6562 with the normal Windows click-to-focus policy, but might not be
6563 desirable when using a point-to-focus policy. */);
6564 Vw32_grab_focus_on_raise
= Qt
;
6566 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6567 &Vw32_capslock_is_shiftlock
,
6568 doc
: /* Apply CapsLock state to non character input keys.
6569 When nil, CapsLock only affects normal character input keys. */);
6570 Vw32_capslock_is_shiftlock
= Qnil
;
6572 DEFVAR_LISP ("w32-recognize-altgr",
6573 &Vw32_recognize_altgr
,
6574 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6575 When nil, the right-alt and left-ctrl key combination is
6576 interpreted normally. */);
6577 Vw32_recognize_altgr
= Qt
;
6579 DEFVAR_BOOL ("w32-enable-unicode-output",
6580 &w32_enable_unicode_output
,
6581 doc
: /* Enable the use of Unicode for text output if non-nil.
6582 Unicode output may prevent some third party applications for displaying
6583 Far-East Languages on Windows 95/98 from working properly.
6584 NT uses Unicode internally anyway, so this flag will probably have no
6585 affect on NT machines. */);
6586 w32_enable_unicode_output
= 1;
6588 DEFVAR_BOOL ("w32-use-visible-system-caret",
6589 &w32_use_visible_system_caret
,
6590 doc
: /* Flag to make the system caret visible.
6591 When this is non-nil, Emacs will indicate the position of point by
6592 using the system caret instead of drawing its own cursor. Some screen
6593 reader software does not track the system cursor properly when it is
6594 invisible, and gets confused by Emacs drawing its own cursor, so this
6595 variable is initialized to t when Emacs detects that screen reader
6596 software is running as it starts up.
6598 When this variable is set, other variables affecting the appearance of
6599 the cursor have no effect. */);
6601 w32_use_visible_system_caret
= 0;
6603 /* We don't yet support this, but defining this here avoids whining
6604 from cus-start.el and other places, like "M-x set-variable". */
6605 DEFVAR_BOOL ("x-use-underline-position-properties",
6606 &x_use_underline_position_properties
,
6607 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6608 A value of nil means ignore them. If you encounter fonts with bogus
6609 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6610 to 4.1, set this to nil.
6612 NOTE: Not supported on MS-Windows yet. */);
6613 x_use_underline_position_properties
= 0;
6615 DEFVAR_BOOL ("x-underline-at-descent-line",
6616 &x_underline_at_descent_line
,
6617 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6618 A value of nil means to draw the underline according to the value of the
6619 variable `x-use-underline-position-properties', which is usually at the
6620 baseline level. The default value is nil. */);
6621 x_underline_at_descent_line
= 0;
6623 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6624 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6625 Vx_toolkit_scroll_bars
= Qt
;
6627 staticpro (&last_mouse_motion_frame
);
6628 last_mouse_motion_frame
= Qnil
;
6631 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6632 (do not change this comment) */