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_ ((struct terminal
*));
238 static void w32_reset_terminal_modes
P_ ((struct terminal
*));
239 static void x_clear_frame
P_ ((struct frame
*));
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 (struct terminal
*term
)
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 (struct terminal
*term
)
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
2658 x_delete_glyphs (f
, n
)
2662 if (! FRAME_W32_P (f
))
2669 /* Clear entire frame. If updating_frame is non-null, clear that
2670 frame. Otherwise clear the selected frame. */
2673 x_clear_frame (struct frame
*f
)
2675 if (! FRAME_W32_P (f
))
2678 /* Clearing the frame will erase any cursor, so mark them all as no
2680 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2681 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2682 output_cursor
.x
= -1;
2684 /* We don't set the output cursor here because there will always
2685 follow an explicit cursor_to. */
2688 w32_clear_window (f
);
2690 /* We have to clear the scroll bars, too. If we have changed
2691 colors or something like that, then they should be notified. */
2692 x_scroll_bar_clear (f
);
2698 /* Make audible bell. */
2701 w32_ring_bell (struct frame
*f
)
2705 if (FRAME_W32_P (f
) && visible_bell
)
2708 HWND hwnd
= FRAME_W32_WINDOW (f
);
2710 for (i
= 0; i
< 5; i
++)
2712 FlashWindow (hwnd
, TRUE
);
2715 FlashWindow (hwnd
, FALSE
);
2718 w32_sys_ring_bell (f
);
2724 /* Specify how many text lines, from the top of the window,
2725 should be affected by insert-lines and delete-lines operations.
2726 This, and those operations, are used only within an update
2727 that is bounded by calls to x_update_begin and x_update_end. */
2730 w32_set_terminal_window (n
)
2733 /* This function intentionally left blank. */
2737 /***********************************************************************
2739 ***********************************************************************/
2741 /* Perform an insert-lines or delete-lines operation, inserting N
2742 lines or deleting -N lines at vertical position VPOS. */
2745 x_ins_del_lines (f
, vpos
, n
)
2749 if (! FRAME_W32_P (f
))
2756 /* Scroll part of the display as described by RUN. */
2759 x_scroll_run (w
, run
)
2763 struct frame
*f
= XFRAME (w
->frame
);
2764 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2765 HWND hwnd
= FRAME_W32_WINDOW (f
);
2768 /* Get frame-relative bounding box of the text display area of W,
2769 without mode lines. Include in this box the left and right
2771 window_box (w
, -1, &x
, &y
, &width
, &height
);
2773 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2774 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2775 bottom_y
= y
+ height
;
2779 /* Scrolling up. Make sure we don't copy part of the mode
2780 line at the bottom. */
2781 if (from_y
+ run
->height
> bottom_y
)
2782 height
= bottom_y
- from_y
;
2784 height
= run
->height
;
2785 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2789 /* Scolling down. Make sure we don't copy over the mode line.
2791 if (to_y
+ run
->height
> bottom_y
)
2792 height
= bottom_y
- to_y
;
2794 height
= run
->height
;
2795 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2800 /* Cursor off. Will be switched on again in x_update_window_end. */
2807 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2808 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2810 from
.left
= to
.left
= x
;
2811 from
.right
= to
.right
= x
+ width
;
2813 from
.bottom
= from_y
+ height
;
2815 to
.bottom
= bottom_y
;
2817 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2818 NULL
, SW_INVALIDATE
);
2820 /* Combine this with what we expect to be dirty. This covers the
2821 case where not all of the region we expect is actually dirty. */
2822 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2824 /* If the dirty region is not what we expected, redraw the entire frame. */
2825 if (!EqualRgn (combined
, expect_dirty
))
2826 SET_FRAME_GARBAGED (f
);
2828 DeleteObject (dirty
);
2829 DeleteObject (combined
);
2833 DeleteObject (expect_dirty
);
2838 /***********************************************************************
2840 ***********************************************************************/
2846 x_update_cursor (f
, 1);
2850 frame_unhighlight (f
)
2853 x_update_cursor (f
, 1);
2856 /* The focus has changed. Update the frames as necessary to reflect
2857 the new situation. Note that we can't change the selected frame
2858 here, because the Lisp code we are interrupting might become confused.
2859 Each event gets marked with the frame in which it occurred, so the
2860 Lisp code can tell when the switch took place by examining the events. */
2863 x_new_focus_frame (dpyinfo
, frame
)
2864 struct w32_display_info
*dpyinfo
;
2865 struct frame
*frame
;
2867 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2869 if (frame
!= dpyinfo
->w32_focus_frame
)
2871 /* Set this before calling other routines, so that they see
2872 the correct value of w32_focus_frame. */
2873 dpyinfo
->w32_focus_frame
= frame
;
2875 if (old_focus
&& old_focus
->auto_lower
)
2876 x_lower_frame (old_focus
);
2878 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2879 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2881 pending_autoraise_frame
= 0;
2884 x_frame_rehighlight (dpyinfo
);
2888 /* Handle FocusIn and FocusOut state changes for FRAME.
2889 If FRAME has focus and there exists more than one frame, puts
2890 a FOCUS_IN_EVENT into *BUFP. */
2893 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2896 struct w32_display_info
*dpyinfo
;
2897 struct frame
*frame
;
2898 struct input_event
*bufp
;
2900 if (type
== WM_SETFOCUS
)
2902 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2904 x_new_focus_frame (dpyinfo
, frame
);
2905 dpyinfo
->w32_focus_event_frame
= frame
;
2907 /* Don't stop displaying the initial startup message
2908 for a switch-frame event we don't need. */
2909 if (GC_NILP (Vterminal_frame
)
2910 && GC_CONSP (Vframe_list
)
2911 && !GC_NILP (XCDR (Vframe_list
)))
2913 bufp
->kind
= FOCUS_IN_EVENT
;
2914 XSETFRAME (bufp
->frame_or_window
, frame
);
2918 frame
->output_data
.x
->focus_state
|= state
;
2920 /* TODO: IME focus? */
2922 else if (type
== WM_KILLFOCUS
)
2924 frame
->output_data
.x
->focus_state
&= ~state
;
2926 if (dpyinfo
->w32_focus_event_frame
== frame
)
2928 dpyinfo
->w32_focus_event_frame
= 0;
2929 x_new_focus_frame (dpyinfo
, 0);
2932 /* TODO: IME focus? */
2937 /* The focus may have changed. Figure out if it is a real focus change,
2938 by checking both FocusIn/Out and Enter/LeaveNotify events.
2940 Returns FOCUS_IN_EVENT event in *BUFP. */
2943 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2944 struct w32_display_info
*dpyinfo
;
2946 struct input_event
*bufp
;
2948 struct frame
*frame
;
2950 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2954 /* On w32, this is only called from focus events, so no switch needed. */
2955 x_focus_changed (event
->msg
.message
,
2956 (event
->msg
.message
== WM_KILLFOCUS
?
2957 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2958 dpyinfo
, frame
, bufp
);
2962 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2965 x_mouse_leave (dpyinfo
)
2966 struct w32_display_info
*dpyinfo
;
2968 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2971 /* The focus has changed, or we have redirected a frame's focus to
2972 another frame (this happens when a frame uses a surrogate
2973 mini-buffer frame). Shift the highlight as appropriate.
2975 The FRAME argument doesn't necessarily have anything to do with which
2976 frame is being highlighted or un-highlighted; we only use it to find
2977 the appropriate X display info. */
2980 w32_frame_rehighlight (frame
)
2981 struct frame
*frame
;
2983 if (! FRAME_W32_P (frame
))
2985 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2989 x_frame_rehighlight (dpyinfo
)
2990 struct w32_display_info
*dpyinfo
;
2992 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2994 if (dpyinfo
->w32_focus_frame
)
2996 dpyinfo
->x_highlight_frame
2997 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2998 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2999 : dpyinfo
->w32_focus_frame
);
3000 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
3002 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
3003 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
3007 dpyinfo
->x_highlight_frame
= 0;
3009 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3012 frame_unhighlight (old_highlight
);
3013 if (dpyinfo
->x_highlight_frame
)
3014 frame_highlight (dpyinfo
->x_highlight_frame
);
3018 /* Keyboard processing - modifier keys, etc. */
3020 /* Convert a keysym to its name. */
3023 x_get_keysym_name (keysym
)
3026 /* Make static so we can always return it */
3027 static char value
[100];
3030 GetKeyNameText (keysym
, value
, 100);
3038 /* Mouse clicks and mouse movement. Rah. */
3040 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3041 the state in PUP. XBUTTON provides extra information for extended mouse
3042 button messages. Returns FALSE if unable to parse the message. */
3044 parse_button (message
, xbutton
, pbutton
, pup
)
3055 case WM_LBUTTONDOWN
:
3063 case WM_MBUTTONDOWN
:
3064 if (NILP (Vw32_swap_mouse_buttons
))
3071 if (NILP (Vw32_swap_mouse_buttons
))
3077 case WM_RBUTTONDOWN
:
3078 if (NILP (Vw32_swap_mouse_buttons
))
3085 if (NILP (Vw32_swap_mouse_buttons
))
3091 case WM_XBUTTONDOWN
:
3092 button
= xbutton
+ 2;
3096 button
= xbutton
+ 2;
3104 if (pbutton
) *pbutton
= button
;
3110 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3112 If the event is a button press, then note that we have grabbed
3116 construct_mouse_click (result
, msg
, f
)
3117 struct input_event
*result
;
3124 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3127 /* Make the event type NO_EVENT; we'll change that when we decide
3129 result
->kind
= MOUSE_CLICK_EVENT
;
3130 result
->code
= button
;
3131 result
->timestamp
= msg
->msg
.time
;
3132 result
->modifiers
= (msg
->dwModifiers
3137 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3138 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3139 XSETFRAME (result
->frame_or_window
, f
);
3145 construct_mouse_wheel (result
, msg
, f
)
3146 struct input_event
*result
;
3153 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3156 result
->timestamp
= msg
->msg
.time
;
3158 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3159 forward, away from the user (up); a negative value indicates that
3160 the wheel was rotated backward, toward the user (down). */
3161 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3163 /* The up and down modifiers indicate if the wheel was rotated up or
3164 down based on WHEEL_DELTA value. */
3165 result
->modifiers
= (msg
->dwModifiers
3166 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3168 /* With multiple monitors, we can legitimately get negative
3169 coordinates, so cast to short to interpret them correctly. */
3170 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3171 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3172 ScreenToClient (msg
->msg
.hwnd
, &p
);
3173 XSETINT (result
->x
, p
.x
);
3174 XSETINT (result
->y
, p
.y
);
3175 XSETFRAME (result
->frame_or_window
, f
);
3181 construct_drag_n_drop (result
, msg
, f
)
3182 struct input_event
*result
;
3194 result
->kind
= DRAG_N_DROP_EVENT
;
3196 result
->timestamp
= msg
->msg
.time
;
3197 result
->modifiers
= msg
->dwModifiers
;
3199 hdrop
= (HDROP
) msg
->msg
.wParam
;
3200 DragQueryPoint (hdrop
, &p
);
3203 p
.x
= LOWORD (msg
->msg
.lParam
);
3204 p
.y
= HIWORD (msg
->msg
.lParam
);
3205 ScreenToClient (msg
->msg
.hwnd
, &p
);
3208 XSETINT (result
->x
, p
.x
);
3209 XSETINT (result
->y
, p
.y
);
3211 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3214 for (i
= 0; i
< num_files
; i
++)
3216 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3219 name
= alloca (len
+ 1);
3220 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3221 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3226 XSETFRAME (frame
, f
);
3227 result
->frame_or_window
= frame
;
3228 result
->arg
= files
;
3233 /* Function to report a mouse movement to the mainstream Emacs code.
3234 The input handler calls this.
3236 We have received a mouse movement event, which is given in *event.
3237 If the mouse is over a different glyph than it was last time, tell
3238 the mainstream emacs code by setting mouse_moved. If not, ask for
3239 another motion event, so we can check again the next time it moves. */
3241 static MSG last_mouse_motion_event
;
3242 static Lisp_Object last_mouse_motion_frame
;
3245 note_mouse_movement (frame
, msg
)
3249 int mouse_x
= LOWORD (msg
->lParam
);
3250 int mouse_y
= HIWORD (msg
->lParam
);
3252 last_mouse_movement_time
= msg
->time
;
3253 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3254 XSETFRAME (last_mouse_motion_frame
, frame
);
3256 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3258 frame
->mouse_moved
= 1;
3259 last_mouse_scroll_bar
= Qnil
;
3260 note_mouse_highlight (frame
, -1, -1);
3261 last_mouse_glyph_frame
= 0;
3265 /* Has the mouse moved off the glyph it was on at the last sighting? */
3266 if (frame
!= last_mouse_glyph_frame
3267 || mouse_x
< last_mouse_glyph
.left
3268 || mouse_x
>= last_mouse_glyph
.right
3269 || mouse_y
< last_mouse_glyph
.top
3270 || mouse_y
>= last_mouse_glyph
.bottom
)
3272 frame
->mouse_moved
= 1;
3273 last_mouse_scroll_bar
= Qnil
;
3274 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3275 /* Remember the mouse position here, as w32_mouse_position only
3276 gets called when mouse tracking is enabled but we also need
3277 to keep track of the mouse for help_echo and highlighting at
3279 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3280 last_mouse_glyph_frame
= frame
;
3288 /************************************************************************
3290 ************************************************************************/
3292 static struct scroll_bar
*x_window_to_scroll_bar ();
3293 static void x_scroll_bar_report_motion ();
3294 static void x_check_fullscreen
P_ ((struct frame
*));
3297 redo_mouse_highlight ()
3299 if (!NILP (last_mouse_motion_frame
)
3300 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3301 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3302 LOWORD (last_mouse_motion_event
.lParam
),
3303 HIWORD (last_mouse_motion_event
.lParam
));
3307 w32_define_cursor (window
, cursor
)
3311 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3313 /* Return the current position of the mouse.
3314 *fp should be a frame which indicates which display to ask about.
3316 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3317 and *part to the frame, window, and scroll bar part that the mouse
3318 is over. Set *x and *y to the portion and whole of the mouse's
3319 position on the scroll bar.
3321 If the mouse movement started elsewhere, set *fp to the frame the
3322 mouse is on, *bar_window to nil, and *x and *y to the character cell
3325 Set *time to the server time-stamp for the time at which the mouse
3326 was at this position.
3328 Don't store anything if we don't have a valid set of values to report.
3330 This clears the mouse_moved flag, so we can wait for the next mouse
3334 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3337 Lisp_Object
*bar_window
;
3338 enum scroll_bar_part
*part
;
3340 unsigned long *time
;
3346 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3347 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3352 Lisp_Object frame
, tail
;
3354 /* Clear the mouse-moved flag for every frame on this display. */
3355 FOR_EACH_FRAME (tail
, frame
)
3356 XFRAME (frame
)->mouse_moved
= 0;
3358 last_mouse_scroll_bar
= Qnil
;
3362 /* Now we have a position on the root; find the innermost window
3363 containing the pointer. */
3365 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3366 && FRAME_LIVE_P (last_mouse_frame
))
3368 /* If mouse was grabbed on a frame, give coords for that frame
3369 even if the mouse is now outside it. */
3370 f1
= last_mouse_frame
;
3374 /* Is window under mouse one of our frames? */
3375 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3376 WindowFromPoint (pt
));
3379 /* If not, is it one of our scroll bars? */
3382 struct scroll_bar
*bar
3383 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3387 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3391 if (f1
== 0 && insist
> 0)
3392 f1
= SELECTED_FRAME ();
3396 /* Ok, we found a frame. Store all the values.
3397 last_mouse_glyph is a rectangle used to reduce the
3398 generation of mouse events. To not miss any motion
3399 events, we must divide the frame into rectangles of the
3400 size of the smallest character that could be displayed
3401 on it, i.e. into the same rectangles that matrices on
3402 the frame are divided into. */
3404 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3405 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3406 last_mouse_glyph_frame
= f1
;
3413 *time
= last_mouse_movement_time
;
3422 /***********************************************************************
3424 ***********************************************************************/
3426 /* Handle mouse button event on the tool-bar of frame F, at
3427 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3431 w32_handle_tool_bar_click (f
, button_event
)
3433 struct input_event
*button_event
;
3435 int x
= XFASTINT (button_event
->x
);
3436 int y
= XFASTINT (button_event
->y
);
3438 if (button_event
->modifiers
& down_modifier
)
3439 handle_tool_bar_click (f
, x
, y
, 1, 0);
3441 handle_tool_bar_click (f
, x
, y
, 0,
3442 button_event
->modifiers
& ~up_modifier
);
3447 /***********************************************************************
3449 ***********************************************************************/
3451 /* Scroll bar support. */
3453 /* Given a window ID, find the struct scroll_bar which manages it.
3454 This can be called in GC, so we have to make sure to strip off mark
3457 static struct scroll_bar
*
3458 x_window_to_scroll_bar (window_id
)
3463 for (tail
= Vframe_list
;
3464 XGCTYPE (tail
) == Lisp_Cons
;
3467 Lisp_Object frame
, bar
, condemned
;
3469 frame
= XCAR (tail
);
3470 /* All elements of Vframe_list should be frames. */
3471 if (! GC_FRAMEP (frame
))
3474 /* Scan this frame's scroll bar list for a scroll bar with the
3476 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3477 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3478 /* This trick allows us to search both the ordinary and
3479 condemned scroll bar lists with one loop. */
3480 ! GC_NILP (bar
) || (bar
= condemned
,
3483 bar
= XSCROLL_BAR (bar
)->next
)
3484 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3485 return XSCROLL_BAR (bar
);
3493 /* Set the thumb size and position of scroll bar BAR. We are currently
3494 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3497 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3498 struct scroll_bar
*bar
;
3499 int portion
, position
, whole
;
3501 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3502 /* We use the whole scroll-bar height in the calculations below, to
3503 avoid strange effects like scrolling backwards when just clicking
3504 on the handle (without moving it). */
3505 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3506 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3507 int sb_page
, sb_pos
;
3508 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3511 /* We used to change the nPage setting while dragging the handle,
3512 but that had very strange effects (such as scrolling backwards
3513 while dragging downwards).
3515 Now, we don't change the nPage setting while dragging unless we
3516 get near to the end of the buffer, in which case we often have to
3517 resize the handle to "go all the way". */
3523 si
.cbSize
= sizeof (si
);
3524 si
.fMask
= SIF_POS
| SIF_PAGE
;
3525 GetScrollInfo(w
, SB_CTL
, &si
);
3526 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3534 /* Position scroll bar at rock bottom if the bottom of the
3535 buffer is visible. This avoids shinking the thumb away
3536 to nothing if it is held at the bottom of the buffer. */
3537 if (position
+ portion
>= whole
&& !draggingp
)
3539 sb_page
= range
* (whole
- position
) / whole
;
3544 sb_pos
= position
* range
/ whole
;
3545 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3554 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3558 si
.cbSize
= sizeof (si
);
3559 si
.fMask
= SIF_PAGE
| SIF_POS
;
3563 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3569 /************************************************************************
3570 Scroll bars, general
3571 ************************************************************************/
3574 my_create_scrollbar (f
, bar
)
3576 struct scroll_bar
* bar
;
3578 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3579 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3583 /*#define ATTACH_THREADS*/
3586 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3588 #ifndef ATTACH_THREADS
3589 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3590 (WPARAM
) hwnd
, (LPARAM
) how
);
3592 return ShowWindow (hwnd
, how
);
3597 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3598 int x
, int y
, int cx
, int cy
, UINT flags
)
3600 #ifndef ATTACH_THREADS
3602 pos
.hwndInsertAfter
= hwndAfter
;
3608 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3610 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3615 my_set_focus (f
, hwnd
)
3619 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3624 my_set_foreground_window (hwnd
)
3627 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3632 my_destroy_window (f
, hwnd
)
3636 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3640 /* Create a scroll bar and return the scroll bar vector for it. W is
3641 the Emacs window on which to create the scroll bar. TOP, LEFT,
3642 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3645 static struct scroll_bar
*
3646 x_scroll_bar_create (w
, top
, left
, width
, height
)
3648 int top
, left
, width
, height
;
3650 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3653 struct scroll_bar
*bar
3654 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3658 XSETWINDOW (bar
->window
, w
);
3659 XSETINT (bar
->top
, top
);
3660 XSETINT (bar
->left
, left
);
3661 XSETINT (bar
->width
, width
);
3662 XSETINT (bar
->height
, height
);
3663 XSETINT (bar
->start
, 0);
3664 XSETINT (bar
->end
, 0);
3665 bar
->dragging
= Qnil
;
3666 bar
->fringe_extended_p
= Qnil
;
3668 /* Requires geometry to be set before call to create the real window */
3670 hwnd
= my_create_scrollbar (f
, bar
);
3672 si
.cbSize
= sizeof (si
);
3675 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3676 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3680 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3682 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3684 /* Add bar to its frame's list of scroll bars. */
3685 bar
->next
= FRAME_SCROLL_BARS (f
);
3687 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3688 if (! NILP (bar
->next
))
3689 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3697 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3701 x_scroll_bar_remove (bar
)
3702 struct scroll_bar
*bar
;
3704 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3708 /* Destroy the window. */
3709 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3711 /* Disassociate this scroll bar from its window. */
3712 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3717 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3718 that we are displaying PORTION characters out of a total of WHOLE
3719 characters, starting at POSITION. If WINDOW has no scroll bar,
3722 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3724 int portion
, whole
, position
;
3726 struct frame
*f
= XFRAME (w
->frame
);
3727 struct scroll_bar
*bar
;
3728 int top
, height
, left
, sb_left
, width
, sb_width
;
3729 int window_y
, window_height
;
3730 int fringe_extended_p
;
3732 /* Get window dimensions. */
3733 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3735 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3736 height
= window_height
;
3738 /* Compute the left edge of the scroll bar area. */
3739 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3741 /* Compute the width of the scroll bar which might be less than
3742 the width of the area reserved for the scroll bar. */
3743 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3744 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3748 /* Compute the left edge of the scroll bar. */
3749 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3750 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3752 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3754 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3755 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3756 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3757 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3758 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3760 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3761 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3762 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3763 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3765 /* Does the scroll bar exist yet? */
3766 if (NILP (w
->vertical_scroll_bar
))
3770 if (width
> 0 && height
> 0)
3772 hdc
= get_frame_dc (f
);
3773 if (fringe_extended_p
)
3774 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3776 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3777 release_frame_dc (f
, hdc
);
3781 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3785 /* It may just need to be moved and resized. */
3788 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3789 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3791 /* If already correctly positioned, do nothing. */
3792 if ( XINT (bar
->left
) == sb_left
3793 && XINT (bar
->top
) == top
3794 && XINT (bar
->width
) == sb_width
3795 && XINT (bar
->height
) == height
3796 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3798 /* Redraw after clear_frame. */
3799 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3800 InvalidateRect (hwnd
, NULL
, FALSE
);
3808 if (width
&& height
)
3810 hdc
= get_frame_dc (f
);
3811 /* Since Windows scroll bars are smaller than the space reserved
3812 for them on the frame, we have to clear "under" them. */
3813 if (fringe_extended_p
)
3814 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3816 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3817 release_frame_dc (f
, hdc
);
3819 /* Make sure scroll bar is "visible" before moving, to ensure the
3820 area of the parent window now exposed will be refreshed. */
3821 my_show_window (f
, hwnd
, SW_HIDE
);
3822 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3823 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3824 max (height
, 1), TRUE
);
3826 si
.cbSize
= sizeof (si
);
3827 si
.fMask
= SIF_RANGE
;
3829 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3830 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3832 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3834 my_show_window (f
, hwnd
, SW_NORMAL
);
3835 /* InvalidateRect (w, NULL, FALSE); */
3837 /* Remember new settings. */
3838 XSETINT (bar
->left
, sb_left
);
3839 XSETINT (bar
->top
, top
);
3840 XSETINT (bar
->width
, sb_width
);
3841 XSETINT (bar
->height
, height
);
3846 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3848 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3850 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3854 /* The following three hooks are used when we're doing a thorough
3855 redisplay of the frame. We don't explicitly know which scroll bars
3856 are going to be deleted, because keeping track of when windows go
3857 away is a real pain - "Can you say set-window-configuration, boys
3858 and girls?" Instead, we just assert at the beginning of redisplay
3859 that *all* scroll bars are to be removed, and then save a scroll bar
3860 from the fiery pit when we actually redisplay its window. */
3862 /* Arrange for all scroll bars on FRAME to be removed at the next call
3863 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3864 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3867 w32_condemn_scroll_bars (frame
)
3870 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3871 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3874 bar
= FRAME_SCROLL_BARS (frame
);
3875 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3876 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3877 XSCROLL_BAR (bar
)->prev
= Qnil
;
3878 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3879 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3880 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3885 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3886 Note that WINDOW isn't necessarily condemned at all. */
3889 w32_redeem_scroll_bar (window
)
3890 struct window
*window
;
3892 struct scroll_bar
*bar
;
3895 /* We can't redeem this window's scroll bar if it doesn't have one. */
3896 if (NILP (window
->vertical_scroll_bar
))
3899 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3901 /* Unlink it from the condemned list. */
3902 f
= XFRAME (WINDOW_FRAME (window
));
3903 if (NILP (bar
->prev
))
3905 /* If the prev pointer is nil, it must be the first in one of
3907 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3908 /* It's not condemned. Everything's fine. */
3910 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3911 window
->vertical_scroll_bar
))
3912 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3914 /* If its prev pointer is nil, it must be at the front of
3915 one or the other! */
3919 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3921 if (! NILP (bar
->next
))
3922 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3924 bar
->next
= FRAME_SCROLL_BARS (f
);
3926 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3927 if (! NILP (bar
->next
))
3928 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3931 /* Remove all scroll bars on FRAME that haven't been saved since the
3932 last call to `*condemn_scroll_bars_hook'. */
3935 w32_judge_scroll_bars (f
)
3938 Lisp_Object bar
, next
;
3940 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3942 /* Clear out the condemned list now so we won't try to process any
3943 more events on the hapless scroll bars. */
3944 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3946 for (; ! NILP (bar
); bar
= next
)
3948 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3950 x_scroll_bar_remove (b
);
3953 b
->next
= b
->prev
= Qnil
;
3956 /* Now there should be no references to the condemned scroll bars,
3957 and they should get garbage-collected. */
3960 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3961 is set to something other than NO_EVENT, it is enqueued.
3963 This may be called from a signal handler, so we have to ignore GC
3967 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3968 struct scroll_bar
*bar
;
3970 struct input_event
*emacs_event
;
3972 if (! GC_WINDOWP (bar
->window
))
3975 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3976 emacs_event
->code
= 0;
3977 /* not really meaningful to distinguish up/down */
3978 emacs_event
->modifiers
= msg
->dwModifiers
;
3979 emacs_event
->frame_or_window
= bar
->window
;
3980 emacs_event
->arg
= Qnil
;
3981 emacs_event
->timestamp
= msg
->msg
.time
;
3984 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3986 int dragging
= !NILP (bar
->dragging
);
3989 si
.cbSize
= sizeof (si
);
3992 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3995 bar
->dragging
= Qnil
;
3998 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4000 switch (LOWORD (msg
->msg
.wParam
))
4003 emacs_event
->part
= scroll_bar_down_arrow
;
4006 emacs_event
->part
= scroll_bar_up_arrow
;
4009 emacs_event
->part
= scroll_bar_above_handle
;
4012 emacs_event
->part
= scroll_bar_below_handle
;
4015 emacs_event
->part
= scroll_bar_handle
;
4019 emacs_event
->part
= scroll_bar_handle
;
4023 case SB_THUMBPOSITION
:
4024 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4025 y
= HIWORD (msg
->msg
.wParam
);
4027 emacs_event
->part
= scroll_bar_handle
;
4029 /* "Silently" update current position. */
4033 si
.cbSize
= sizeof (si
);
4036 /* Remember apparent position (we actually lag behind the real
4037 position, so don't set that directly. */
4038 last_scroll_bar_drag_pos
= y
;
4040 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4044 /* If this is the end of a drag sequence, then reset the scroll
4045 handle size to normal and do a final redraw. Otherwise do
4050 int start
= XINT (bar
->start
);
4051 int end
= XINT (bar
->end
);
4053 si
.cbSize
= sizeof (si
);
4054 si
.fMask
= SIF_PAGE
| SIF_POS
;
4055 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4056 si
.nPos
= last_scroll_bar_drag_pos
;
4057 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4061 emacs_event
->kind
= NO_EVENT
;
4065 XSETINT (emacs_event
->x
, y
);
4066 XSETINT (emacs_event
->y
, top_range
);
4072 /* Return information to the user about the current position of the mouse
4073 on the scroll bar. */
4076 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4078 Lisp_Object
*bar_window
;
4079 enum scroll_bar_part
*part
;
4081 unsigned long *time
;
4083 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4084 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4085 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4087 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4093 *bar_window
= bar
->window
;
4095 si
.cbSize
= sizeof (si
);
4096 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4098 GetScrollInfo (w
, SB_CTL
, &si
);
4100 top_range
= si
.nMax
- si
.nPage
+ 1;
4102 switch (LOWORD (last_mouse_scroll_bar_pos
))
4104 case SB_THUMBPOSITION
:
4106 *part
= scroll_bar_handle
;
4107 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4108 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4111 *part
= scroll_bar_handle
;
4115 *part
= scroll_bar_handle
;
4120 XSETINT (*y
, top_range
);
4123 last_mouse_scroll_bar
= Qnil
;
4125 *time
= last_mouse_movement_time
;
4131 /* The screen has been cleared so we may have changed foreground or
4132 background colors, and the scroll bars may need to be redrawn.
4133 Clear out the scroll bars, and ask for expose events, so we can
4137 x_scroll_bar_clear (f
)
4142 /* We can have scroll bars even if this is 0,
4143 if we just turned off scroll bar mode.
4144 But in that case we should not clear them. */
4145 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4146 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4147 bar
= XSCROLL_BAR (bar
)->next
)
4149 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4150 HDC hdc
= GetDC (window
);
4153 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4154 arranges to refresh the scroll bar if hidden. */
4155 my_show_window (f
, window
, SW_HIDE
);
4157 GetClientRect (window
, &rect
);
4158 select_palette (f
, hdc
);
4159 w32_clear_rect (f
, hdc
, &rect
);
4160 deselect_palette (f
, hdc
);
4162 ReleaseDC (window
, hdc
);
4167 /* The main W32 event-reading loop - w32_read_socket. */
4169 /* Record the last 100 characters stored
4170 to help debug the loss-of-chars-during-GC problem. */
4172 static int temp_index
;
4173 static short temp_buffer
[100];
4176 /* Read events coming from the W32 shell.
4177 This routine is called by the SIGIO handler.
4178 We return as soon as there are no more events to be read.
4180 We return the number of characters stored into the buffer,
4181 thus pretending to be `read'.
4183 EXPECTED is nonzero if the caller knows input is available.
4185 Some of these messages are reposted back to the message queue since the
4186 system calls the windows proc directly in a context where we cannot return
4187 the data nor can we guarantee the state we are in. So if we dispatch them
4188 we will get into an infinite loop. To prevent this from ever happening we
4189 will set a variable to indicate we are in the read_socket call and indicate
4190 which message we are processing since the windows proc gets called
4191 recursively with different messages by the system.
4195 w32_read_socket (sd
, expected
, hold_quit
)
4198 struct input_event
*hold_quit
;
4201 int check_visibility
= 0;
4204 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4206 if (interrupt_input_blocked
)
4208 interrupt_input_pending
= 1;
4212 interrupt_input_pending
= 0;
4215 /* So people can tell when we have read the available input. */
4216 input_signal_count
++;
4218 /* TODO: ghostscript integration. */
4219 while (get_next_msg (&msg
, FALSE
))
4221 struct input_event inev
;
4225 inev
.kind
= NO_EVENT
;
4228 switch (msg
.msg
.message
)
4231 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4235 if (msg
.rect
.right
== msg
.rect
.left
||
4236 msg
.rect
.bottom
== msg
.rect
.top
)
4238 /* We may get paint messages even though the client
4239 area is clipped - these are not expose events. */
4240 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4243 else if (f
->async_visible
!= 1)
4245 /* Definitely not obscured, so mark as visible. */
4246 f
->async_visible
= 1;
4247 f
->async_iconified
= 0;
4248 SET_FRAME_GARBAGED (f
);
4249 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4252 /* WM_PAINT serves as MapNotify as well, so report
4253 visibility changes properly. */
4256 inev
.kind
= DEICONIFY_EVENT
;
4257 XSETFRAME (inev
.frame_or_window
, f
);
4259 else if (! NILP (Vframe_list
)
4260 && ! NILP (XCDR (Vframe_list
)))
4261 /* Force a redisplay sooner or later to update the
4262 frame titles in case this is the second frame. */
4263 record_asynch_buffer_change ();
4267 HDC hdc
= get_frame_dc (f
);
4269 /* Erase background again for safety. */
4270 w32_clear_rect (f
, hdc
, &msg
.rect
);
4271 release_frame_dc (f
, hdc
);
4275 msg
.rect
.right
- msg
.rect
.left
,
4276 msg
.rect
.bottom
- msg
.rect
.top
);
4281 case WM_INPUTLANGCHANGE
:
4282 /* Generate a language change event. */
4283 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4287 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4288 XSETFRAME (inev
.frame_or_window
, f
);
4289 inev
.code
= msg
.msg
.wParam
;
4290 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4296 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4298 if (f
&& !f
->iconified
)
4300 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4301 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4303 clear_mouse_face (dpyinfo
);
4304 dpyinfo
->mouse_face_hidden
= 1;
4307 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4309 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4310 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4311 inev
.code
= msg
.msg
.wParam
;
4312 inev
.modifiers
= msg
.dwModifiers
;
4313 XSETFRAME (inev
.frame_or_window
, f
);
4314 inev
.timestamp
= msg
.msg
.time
;
4320 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4322 if (f
&& !f
->iconified
)
4324 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4325 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4327 clear_mouse_face (dpyinfo
);
4328 dpyinfo
->mouse_face_hidden
= 1;
4331 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4333 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4334 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4335 inev
.code
= msg
.msg
.wParam
;
4336 inev
.modifiers
= msg
.dwModifiers
;
4337 XSETFRAME (inev
.frame_or_window
, f
);
4338 inev
.timestamp
= msg
.msg
.time
;
4343 /* Ignore non-movement. */
4345 int x
= LOWORD (msg
.msg
.lParam
);
4346 int y
= HIWORD (msg
.msg
.lParam
);
4347 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4349 last_mousemove_x
= x
;
4350 last_mousemove_y
= y
;
4353 previous_help_echo_string
= help_echo_string
;
4354 help_echo_string
= Qnil
;
4356 if (dpyinfo
->grabbed
&& last_mouse_frame
4357 && FRAME_LIVE_P (last_mouse_frame
))
4358 f
= last_mouse_frame
;
4360 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4362 if (dpyinfo
->mouse_face_hidden
)
4364 dpyinfo
->mouse_face_hidden
= 0;
4365 clear_mouse_face (dpyinfo
);
4370 /* Generate SELECT_WINDOW_EVENTs when needed. */
4371 if (!NILP (Vmouse_autoselect_window
))
4374 int x
= LOWORD (msg
.msg
.lParam
);
4375 int y
= HIWORD (msg
.msg
.lParam
);
4377 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4379 /* Window will be selected only when it is not
4380 selected now and last mouse movement event was
4381 not in it. Minibuffer window will be selected
4382 only when it is active. */
4384 && !EQ (window
, last_window
)
4385 && !EQ (window
, selected_window
))
4387 inev
.kind
= SELECT_WINDOW_EVENT
;
4388 inev
.frame_or_window
= window
;
4393 if (!note_mouse_movement (f
, &msg
.msg
))
4394 help_echo_string
= previous_help_echo_string
;
4398 /* If we move outside the frame, then we're
4399 certainly no longer on any text in the frame. */
4400 clear_mouse_face (dpyinfo
);
4403 /* If the contents of the global variable help_echo_string
4404 has changed, generate a HELP_EVENT. */
4405 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4406 But it was originally changed to this to fix a bug, so I have
4407 not removed it completely in case the bug is still there. */
4408 if (help_echo_string
!= previous_help_echo_string
||
4409 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4410 #else /* This is what xterm.c does. */
4411 if (!NILP (help_echo_string
)
4412 || !NILP (previous_help_echo_string
))
4417 case WM_LBUTTONDOWN
:
4419 case WM_MBUTTONDOWN
:
4421 case WM_RBUTTONDOWN
:
4423 case WM_XBUTTONDOWN
:
4426 /* If we decide we want to generate an event to be seen
4427 by the rest of Emacs, we put it here. */
4432 if (dpyinfo
->grabbed
&& last_mouse_frame
4433 && FRAME_LIVE_P (last_mouse_frame
))
4434 f
= last_mouse_frame
;
4436 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4440 construct_mouse_click (&inev
, &msg
, f
);
4442 /* Is this in the tool-bar? */
4443 if (WINDOWP (f
->tool_bar_window
)
4444 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4447 int x
= XFASTINT (inev
.x
);
4448 int y
= XFASTINT (inev
.y
);
4450 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4452 if (EQ (window
, f
->tool_bar_window
))
4454 w32_handle_tool_bar_click (f
, &inev
);
4460 || (dpyinfo
->w32_focus_frame
4461 && f
!= dpyinfo
->w32_focus_frame
))
4462 inev
.kind
= NO_EVENT
;
4465 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4470 dpyinfo
->grabbed
&= ~ (1 << button
);
4474 dpyinfo
->grabbed
|= (1 << button
);
4475 last_mouse_frame
= f
;
4476 /* Ignore any mouse motion that happened
4477 before this event; any subsequent mouse-movement
4478 Emacs events should reflect only motion after
4484 last_tool_bar_item
= -1;
4490 case WM_MOUSEHWHEEL
:
4492 if (dpyinfo
->grabbed
&& last_mouse_frame
4493 && FRAME_LIVE_P (last_mouse_frame
))
4494 f
= last_mouse_frame
;
4496 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4501 if (!dpyinfo
->w32_focus_frame
4502 || f
== dpyinfo
->w32_focus_frame
)
4504 /* Emit an Emacs wheel-up/down event. */
4505 construct_mouse_wheel (&inev
, &msg
, f
);
4507 /* Ignore any mouse motion that happened before this
4508 event; any subsequent mouse-movement Emacs events
4509 should reflect only motion after the
4513 last_mouse_frame
= f
;
4514 last_tool_bar_item
= -1;
4519 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4522 construct_drag_n_drop (&inev
, &msg
, f
);
4527 struct scroll_bar
*bar
=
4528 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4531 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4535 case WM_WINDOWPOSCHANGED
:
4536 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4539 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4540 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4542 check_visibility
= 1;
4546 case WM_ACTIVATEAPP
:
4547 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4549 x_check_fullscreen (f
);
4550 check_visibility
= 1;
4554 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4556 if (f
&& !f
->async_iconified
)
4560 x_real_positions (f
, &x
, &y
);
4565 check_visibility
= 1;
4569 /* wParam non-zero means Window is about to be shown, 0 means
4570 about to be hidden. */
4571 /* Redo the mouse-highlight after the tooltip has gone. */
4572 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4575 redo_mouse_highlight ();
4578 /* If window has been obscured or exposed by another window
4579 being maximised or minimised/restored, then recheck
4580 visibility of all frames. Direct changes to our own
4581 windows get handled by WM_SIZE. */
4583 if (msg
.msg
.lParam
!= 0)
4584 check_visibility
= 1;
4587 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4588 f
->async_visible
= msg
.msg
.wParam
;
4592 check_visibility
= 1;
4596 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4598 /* Inform lisp of whether frame has been iconified etc. */
4601 switch (msg
.msg
.wParam
)
4603 case SIZE_MINIMIZED
:
4604 f
->async_visible
= 0;
4605 f
->async_iconified
= 1;
4607 inev
.kind
= ICONIFY_EVENT
;
4608 XSETFRAME (inev
.frame_or_window
, f
);
4611 case SIZE_MAXIMIZED
:
4613 f
->async_visible
= 1;
4614 f
->async_iconified
= 0;
4616 /* wait_reading_process_output will notice this and update
4617 the frame's display structures. */
4618 SET_FRAME_GARBAGED (f
);
4624 /* Reset top and left positions of the Window
4625 here since Windows sends a WM_MOVE message
4626 BEFORE telling us the Window is minimized
4627 when the Window is iconified, with 3000,3000
4629 x_real_positions (f
, &x
, &y
);
4633 inev
.kind
= DEICONIFY_EVENT
;
4634 XSETFRAME (inev
.frame_or_window
, f
);
4636 else if (! NILP (Vframe_list
)
4637 && ! NILP (XCDR (Vframe_list
)))
4638 /* Force a redisplay sooner or later
4639 to update the frame titles
4640 in case this is the second frame. */
4641 record_asynch_buffer_change ();
4646 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4654 GetClientRect (msg
.msg
.hwnd
, &rect
);
4656 height
= rect
.bottom
- rect
.top
;
4657 width
= rect
.right
- rect
.left
;
4659 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4660 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4662 /* TODO: Clip size to the screen dimensions. */
4664 /* Even if the number of character rows and columns has
4665 not changed, the font size may have changed, so we need
4666 to check the pixel dimensions as well. */
4668 if (columns
!= FRAME_COLS (f
)
4669 || rows
!= FRAME_LINES (f
)
4670 || width
!= FRAME_PIXEL_WIDTH (f
)
4671 || height
!= FRAME_PIXEL_HEIGHT (f
))
4673 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4674 SET_FRAME_GARBAGED (f
);
4675 cancel_mouse_face (f
);
4676 FRAME_PIXEL_WIDTH (f
) = width
;
4677 FRAME_PIXEL_HEIGHT (f
) = height
;
4678 f
->win_gravity
= NorthWestGravity
;
4682 check_visibility
= 1;
4686 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4689 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4691 /* If we move outside the frame, then we're
4692 certainly no longer on any text in the frame. */
4693 clear_mouse_face (dpyinfo
);
4694 dpyinfo
->mouse_face_mouse_frame
= 0;
4697 /* Generate a nil HELP_EVENT to cancel a help-echo.
4698 Do it only if there's something to cancel.
4699 Otherwise, the startup message is cleared when
4700 the mouse leaves the frame. */
4701 if (any_help_event_p
)
4707 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4709 dpyinfo
->grabbed
= 0;
4710 check_visibility
= 1;
4714 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4718 if (f
== dpyinfo
->w32_focus_event_frame
)
4719 dpyinfo
->w32_focus_event_frame
= 0;
4721 if (f
== dpyinfo
->w32_focus_frame
)
4722 x_new_focus_frame (dpyinfo
, 0);
4724 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4726 /* If we move outside the frame, then we're
4727 certainly no longer on any text in the frame. */
4728 clear_mouse_face (dpyinfo
);
4729 dpyinfo
->mouse_face_mouse_frame
= 0;
4732 /* Generate a nil HELP_EVENT to cancel a help-echo.
4733 Do it only if there's something to cancel.
4734 Otherwise, the startup message is cleared when
4735 the mouse leaves the frame. */
4736 if (any_help_event_p
)
4740 dpyinfo
->grabbed
= 0;
4741 check_visibility
= 1;
4745 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4749 inev
.kind
= DELETE_WINDOW_EVENT
;
4750 XSETFRAME (inev
.frame_or_window
, f
);
4755 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4759 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4760 XSETFRAME (inev
.frame_or_window
, f
);
4765 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4769 extern void menubar_selection_callback
4770 (FRAME_PTR f
, void * client_data
);
4771 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4774 check_visibility
= 1;
4777 case WM_DISPLAYCHANGE
:
4778 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4782 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4783 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4784 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4785 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4789 check_visibility
= 1;
4793 /* Check for messages registered at runtime. */
4794 if (msg
.msg
.message
== msh_mousewheel
)
4796 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4797 msg
.msg
.message
= WM_MOUSEWHEEL
;
4803 if (inev
.kind
!= NO_EVENT
)
4805 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4810 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4815 XSETFRAME (frame
, f
);
4821 if (NILP (help_echo_string
))
4823 help_echo_object
= help_echo_window
= Qnil
;
4827 any_help_event_p
= 1;
4828 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4829 help_echo_object
, help_echo_pos
);
4833 help_echo_string
= Qnil
;
4834 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4840 /* If the focus was just given to an autoraising frame,
4842 /* ??? This ought to be able to handle more than one such frame. */
4843 if (pending_autoraise_frame
)
4845 x_raise_frame (pending_autoraise_frame
);
4846 pending_autoraise_frame
= 0;
4849 /* Check which frames are still visisble, if we have enqueued any user
4850 events or been notified of events that may affect visibility. We
4851 do this here because there doesn't seem to be any direct
4852 notification from Windows that the visibility of a window has
4853 changed (at least, not in all cases). */
4854 if (count
> 0 || check_visibility
)
4856 Lisp_Object tail
, frame
;
4858 FOR_EACH_FRAME (tail
, frame
)
4860 FRAME_PTR f
= XFRAME (frame
);
4861 /* The tooltip has been drawn already. Avoid the
4862 SET_FRAME_GARBAGED below. */
4863 if (EQ (frame
, tip_frame
))
4866 /* Check "visible" frames and mark each as obscured or not.
4867 Note that async_visible is nonzero for unobscured and
4868 obscured frames, but zero for hidden and iconified frames. */
4869 if (FRAME_W32_P (f
) && f
->async_visible
)
4875 /* Query clipping rectangle for the entire window area
4876 (GetWindowDC), not just the client portion (GetDC).
4877 Otherwise, the scrollbars and menubar aren't counted as
4878 part of the visible area of the frame, and we may think
4879 the frame is obscured when really a scrollbar is still
4880 visible and gets WM_PAINT messages above. */
4881 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4882 GetClipBox (hdc
, &clipbox
);
4883 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4886 if (clipbox
.right
== clipbox
.left
4887 || clipbox
.bottom
== clipbox
.top
)
4889 /* Frame has become completely obscured so mark as
4890 such (we do this by setting async_visible to 2 so
4891 that FRAME_VISIBLE_P is still true, but redisplay
4893 f
->async_visible
= 2;
4895 if (!FRAME_OBSCURED_P (f
))
4897 DebPrint (("frame %p (%s) obscured\n", f
,
4903 /* Frame is not obscured, so mark it as such. */
4904 f
->async_visible
= 1;
4906 if (FRAME_OBSCURED_P (f
))
4908 SET_FRAME_GARBAGED (f
);
4909 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4912 /* Force a redisplay sooner or later. */
4913 record_asynch_buffer_change ();
4926 /***********************************************************************
4928 ***********************************************************************/
4930 /* Set clipping for output in glyph row ROW. W is the window in which
4931 we operate. GC is the graphics context to set clipping in.
4933 ROW may be a text row or, e.g., a mode line. Text rows must be
4934 clipped to the interior of the window dedicated to text display,
4935 mode lines must be clipped to the whole window. */
4938 w32_clip_to_row (w
, row
, area
, hdc
)
4940 struct glyph_row
*row
;
4944 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4946 int window_x
, window_y
, window_width
;
4948 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4950 clip_rect
.left
= window_x
;
4951 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4952 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4953 clip_rect
.right
= clip_rect
.left
+ window_width
;
4954 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4956 w32_set_clip_rectangle (hdc
, &clip_rect
);
4960 /* Draw a hollow box cursor on window W in glyph row ROW. */
4963 x_draw_hollow_cursor (w
, row
)
4965 struct glyph_row
*row
;
4967 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4971 struct glyph
*cursor_glyph
;
4972 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4974 /* Get the glyph the cursor is on. If we can't tell because
4975 the current matrix is invalid or such, give up. */
4976 cursor_glyph
= get_phys_cursor_glyph (w
);
4977 if (cursor_glyph
== NULL
)
4980 /* Compute frame-relative coordinates for phys cursor. */
4981 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4984 rect
.bottom
= rect
.top
+ h
;
4985 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4987 hdc
= get_frame_dc (f
);
4988 /* Set clipping, draw the rectangle, and reset clipping again. */
4989 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4990 FrameRect (hdc
, &rect
, hb
);
4992 w32_set_clip_rectangle (hdc
, NULL
);
4993 release_frame_dc (f
, hdc
);
4997 /* Draw a bar cursor on window W in glyph row ROW.
4999 Implementation note: One would like to draw a bar cursor with an
5000 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5001 Unfortunately, I didn't find a font yet that has this property set.
5005 x_draw_bar_cursor (w
, row
, width
, kind
)
5007 struct glyph_row
*row
;
5009 enum text_cursor_kinds kind
;
5011 struct frame
*f
= XFRAME (w
->frame
);
5012 struct glyph
*cursor_glyph
;
5016 /* If cursor is out of bounds, don't draw garbage. This can happen
5017 in mini-buffer windows when switching between echo area glyphs
5019 cursor_glyph
= get_phys_cursor_glyph (w
);
5020 if (cursor_glyph
== NULL
)
5023 /* If on an image, draw like a normal cursor. That's usually better
5024 visible than drawing a bar, esp. if the image is large so that
5025 the bar might not be in the window. */
5026 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5028 struct glyph_row
*row
;
5029 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5030 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5034 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5035 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5037 /* If the glyph's background equals the color we normally draw
5038 the bar cursor in, the bar cursor in its normal color is
5039 invisible. Use the glyph's foreground color instead in this
5040 case, on the assumption that the glyph's colors are chosen so
5041 that the glyph is legible. */
5042 if (face
->background
== cursor_color
)
5043 cursor_color
= face
->foreground
;
5045 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5048 width
= FRAME_CURSOR_WIDTH (f
);
5049 width
= min (cursor_glyph
->pixel_width
, width
);
5051 w
->phys_cursor_width
= width
;
5054 hdc
= get_frame_dc (f
);
5055 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5057 if (kind
== BAR_CURSOR
)
5059 w32_fill_area (f
, hdc
, cursor_color
, x
,
5060 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5061 width
, row
->height
);
5065 w32_fill_area (f
, hdc
, cursor_color
, x
,
5066 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5067 row
->height
- width
),
5068 cursor_glyph
->pixel_width
, width
);
5071 w32_set_clip_rectangle (hdc
, NULL
);
5072 release_frame_dc (f
, hdc
);
5077 /* RIF: Define cursor CURSOR on frame F. */
5080 w32_define_frame_cursor (f
, cursor
)
5084 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5088 /* RIF: Clear area on frame F. */
5091 w32_clear_frame_area (f
, x
, y
, width
, height
)
5093 int x
, y
, width
, height
;
5097 hdc
= get_frame_dc (f
);
5098 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5099 release_frame_dc (f
, hdc
);
5102 /* RIF: Draw or clear cursor on window W. */
5105 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5107 struct glyph_row
*glyph_row
;
5109 int cursor_type
, cursor_width
;
5114 /* If the user wants to use the system caret, make sure our own
5115 cursor remains invisible. */
5116 if (w32_use_visible_system_caret
)
5118 /* Call to erase_phys_cursor here seems to use the
5119 wrong values of w->phys_cursor, as they have been
5120 overwritten before this function was called. */
5121 if (w
->phys_cursor_type
!= NO_CURSOR
)
5122 erase_phys_cursor (w
);
5124 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5125 w
->phys_cursor_width
= -1;
5129 w
->phys_cursor_type
= cursor_type
;
5132 w
->phys_cursor_on_p
= 1;
5134 /* If this is the active cursor, we need to track it with the
5135 system caret, so third party software like screen magnifiers
5136 and speech synthesizers can follow the cursor. */
5139 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5140 HWND hwnd
= FRAME_W32_WINDOW (f
);
5143 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5145 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5146 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5148 /* If the size of the active cursor changed, destroy the old
5150 if (w32_system_caret_hwnd
5151 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5152 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5154 w32_system_caret_height
= w
->phys_cursor_height
;
5156 /* Move the system caret. */
5157 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5160 if (glyph_row
->exact_window_width_line_p
5161 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5163 glyph_row
->cursor_in_fringe_p
= 1;
5164 draw_fringe_bitmap (w
, glyph_row
, 0);
5168 switch (cursor_type
)
5170 case HOLLOW_BOX_CURSOR
:
5171 x_draw_hollow_cursor (w
, glyph_row
);
5174 case FILLED_BOX_CURSOR
:
5175 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5179 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5183 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5187 w
->phys_cursor_width
= 0;
5201 x_bitmap_icon (f
, icon
)
5206 HANDLE small_icon
= NULL
;
5208 if (FRAME_W32_WINDOW (f
) == 0)
5212 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5213 else if (STRINGP (icon
))
5215 /* Load the main icon from the named file. */
5216 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5217 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5218 /* Try to load a small icon to go with it. */
5219 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5220 GetSystemMetrics (SM_CXSMICON
),
5221 GetSystemMetrics (SM_CYSMICON
),
5224 else if (SYMBOLP (icon
))
5228 if (EQ (icon
, intern ("application")))
5229 name
= (LPCTSTR
) IDI_APPLICATION
;
5230 else if (EQ (icon
, intern ("hand")))
5231 name
= (LPCTSTR
) IDI_HAND
;
5232 else if (EQ (icon
, intern ("question")))
5233 name
= (LPCTSTR
) IDI_QUESTION
;
5234 else if (EQ (icon
, intern ("exclamation")))
5235 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5236 else if (EQ (icon
, intern ("asterisk")))
5237 name
= (LPCTSTR
) IDI_ASTERISK
;
5238 else if (EQ (icon
, intern ("winlogo")))
5239 name
= (LPCTSTR
) IDI_WINLOGO
;
5243 main_icon
= LoadIcon (NULL
, name
);
5248 if (main_icon
== NULL
)
5251 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5252 (LPARAM
) main_icon
);
5254 /* If there is a small icon that goes with it, set that too. */
5256 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5257 (LPARAM
) small_icon
);
5263 /************************************************************************
5265 ************************************************************************/
5267 /* Display Error Handling functions not used on W32. Listing them here
5268 helps diff stay in step when comparing w32term.c with xterm.c.
5270 x_error_catcher (display, error)
5271 x_catch_errors (dpy)
5272 x_catch_errors_unwind (old_val)
5273 x_check_errors (dpy, format)
5274 x_fully_uncatch_errors ()
5275 x_catching_errors ()
5276 x_had_errors_p (dpy)
5277 x_clear_errors (dpy)
5278 x_uncatch_errors (dpy, count)
5280 x_connection_signal (signalnum)
5281 x_connection_closed (dpy, error_message)
5282 x_error_quitter (display, error)
5283 x_error_handler (display, error)
5284 x_io_error_quitter (display)
5289 /* Changing the font of the frame. */
5291 /* Give frame F the font named FONTNAME as its default font, and
5292 return the full name of that font. FONTNAME may be a wildcard
5293 pattern; in that case, we choose some font that fits the pattern.
5294 The return value shows which font we chose. */
5297 x_new_font (f
, fontname
)
5299 register char *fontname
;
5301 struct font_info
*fontp
5302 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5307 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5308 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5309 FRAME_FONTSET (f
) = -1;
5311 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5312 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5313 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5315 compute_fringe_widths (f
, 1);
5317 /* Compute the scroll bar width in character columns. */
5318 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5320 int wid
= FRAME_COLUMN_WIDTH (f
);
5321 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5322 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5326 int wid
= FRAME_COLUMN_WIDTH (f
);
5327 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5330 /* Now make the frame display the given font. */
5331 if (FRAME_W32_WINDOW (f
) != 0)
5333 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5334 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5337 return build_string (fontp
->full_name
);
5340 /* Give frame F the fontset named FONTSETNAME as its default font, and
5341 return the full name of that fontset. FONTSETNAME may be a wildcard
5342 pattern; in that case, we choose some fontset that fits the pattern.
5343 The return value shows which fontset we chose. */
5346 x_new_fontset (f
, fontsetname
)
5350 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5356 if (FRAME_FONTSET (f
) == fontset
)
5357 /* This fontset is already set in frame F. There's nothing more
5359 return fontset_name (fontset
);
5361 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5363 if (!STRINGP (result
))
5364 /* Can't load ASCII font. */
5367 /* Since x_new_font doesn't update any fontset information, do it now. */
5368 FRAME_FONTSET(f
) = fontset
;
5370 return build_string (fontsetname
);
5374 /***********************************************************************
5375 TODO: W32 Input Methods
5376 ***********************************************************************/
5377 /* Listing missing functions from xterm.c helps diff stay in step.
5379 xim_destroy_callback (xim, client_data, call_data)
5380 xim_open_dpy (dpyinfo, resource_name)
5382 xim_instantiate_callback (display, client_data, call_data)
5383 xim_initialize (dpyinfo, resource_name)
5384 xim_close_dpy (dpyinfo)
5389 /* Calculate the absolute position in frame F
5390 from its current recorded position values and gravity. */
5393 x_calc_absolute_position (f
)
5396 int flags
= f
->size_hint_flags
;
5398 /* The sum of the widths of the frame's left and right borders, and
5399 the sum of the heights of the frame's top and bottom borders (in
5400 pixels) drawn by Windows. */
5401 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5403 /* Try to get the actual values of these two variables. We compute
5404 the border width (height) by subtracting the width (height) of
5405 the frame's client area from the width (height) of the frame's
5407 WINDOWPLACEMENT wp
= { 0 };
5408 RECT client_rect
= { 0 };
5410 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5411 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5413 left_right_borders_width
=
5414 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5415 (client_rect
.right
- client_rect
.left
);
5417 top_bottom_borders_height
=
5418 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5419 (client_rect
.bottom
- client_rect
.top
);
5423 /* Use sensible default values. */
5424 left_right_borders_width
= 8;
5425 top_bottom_borders_height
= 32;
5428 /* Treat negative positions as relative to the rightmost bottommost
5429 position that fits on the screen. */
5430 if (flags
& XNegative
)
5431 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5432 - FRAME_PIXEL_WIDTH (f
)
5434 - (left_right_borders_width
- 1));
5436 if (flags
& YNegative
)
5437 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5438 - FRAME_PIXEL_HEIGHT (f
)
5440 - (top_bottom_borders_height
- 1));
5442 /* The left_pos and top_pos are now relative to the top and left
5443 screen edges, so the flags should correspond. */
5444 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5447 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5448 to really change the position, and 0 when calling from
5449 x_make_frame_visible (in that case, XOFF and YOFF are the current
5450 position values). It is -1 when calling from x_set_frame_parameters,
5451 which means, do adjust for borders but don't change the gravity. */
5454 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5456 register int xoff
, yoff
;
5459 int modified_top
, modified_left
;
5461 if (change_gravity
> 0)
5465 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5467 f
->size_hint_flags
|= XNegative
;
5469 f
->size_hint_flags
|= YNegative
;
5470 f
->win_gravity
= NorthWestGravity
;
5472 x_calc_absolute_position (f
);
5475 x_wm_set_size_hint (f
, (long) 0, 0);
5477 modified_left
= f
->left_pos
;
5478 modified_top
= f
->top_pos
;
5480 my_set_window_pos (FRAME_W32_WINDOW (f
),
5482 modified_left
, modified_top
,
5484 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5489 /* Check if we need to resize the frame due to a fullscreen request.
5490 If so needed, resize the frame. */
5492 x_check_fullscreen (f
)
5495 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5497 int width
, height
, ign
;
5499 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5501 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5503 /* We do not need to move the window, it shall be taken care of
5504 when setting WM manager hints. */
5505 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5507 change_frame_size (f
, height
, width
, 0, 1, 0);
5508 SET_FRAME_GARBAGED (f
);
5509 cancel_mouse_face (f
);
5511 /* Wait for the change of frame size to occur */
5512 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5517 /* Call this to change the size of frame F's x-window.
5518 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5519 for this size change and subsequent size changes.
5520 Otherwise we leave the window gravity unchanged. */
5523 x_set_window_size (f
, change_gravity
, cols
, rows
)
5528 int pixelwidth
, pixelheight
;
5532 check_frame_size (f
, &rows
, &cols
);
5533 f
->scroll_bar_actual_width
5534 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5536 compute_fringe_widths (f
, 0);
5538 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5539 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5541 f
->win_gravity
= NorthWestGravity
;
5542 x_wm_set_size_hint (f
, (long) 0, 0);
5547 rect
.left
= rect
.top
= 0;
5548 rect
.right
= pixelwidth
;
5549 rect
.bottom
= pixelheight
;
5551 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5552 FRAME_EXTERNAL_MENU_BAR (f
));
5554 my_set_window_pos (FRAME_W32_WINDOW (f
),
5557 rect
.right
- rect
.left
,
5558 rect
.bottom
- rect
.top
,
5559 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5562 /* Now, strictly speaking, we can't be sure that this is accurate,
5563 but the window manager will get around to dealing with the size
5564 change request eventually, and we'll hear how it went when the
5565 ConfigureNotify event gets here.
5567 We could just not bother storing any of this information here,
5568 and let the ConfigureNotify event set everything up, but that
5569 might be kind of confusing to the Lisp code, since size changes
5570 wouldn't be reported in the frame parameters until some random
5571 point in the future when the ConfigureNotify event arrives.
5573 We pass 1 for DELAY since we can't run Lisp code inside of
5575 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5576 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5577 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5579 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5580 receive in the ConfigureNotify event; if we get what we asked
5581 for, then the event won't cause the screen to become garbaged, so
5582 we have to make sure to do it here. */
5583 SET_FRAME_GARBAGED (f
);
5585 /* If cursor was outside the new size, mark it as off. */
5586 mark_window_cursors_off (XWINDOW (f
->root_window
));
5588 /* Clear out any recollection of where the mouse highlighting was,
5589 since it might be in a place that's outside the new frame size.
5590 Actually checking whether it is outside is a pain in the neck,
5591 so don't try--just let the highlighting be done afresh with new size. */
5592 cancel_mouse_face (f
);
5597 /* Mouse warping. */
5599 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5602 x_set_mouse_position (f
, x
, y
)
5608 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5609 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5611 if (pix_x
< 0) pix_x
= 0;
5612 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5614 if (pix_y
< 0) pix_y
= 0;
5615 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5617 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5621 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5630 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5631 pt
.x
= rect
.left
+ pix_x
;
5632 pt
.y
= rect
.top
+ pix_y
;
5633 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5635 SetCursorPos (pt
.x
, pt
.y
);
5641 /* focus shifting, raising and lowering. */
5644 x_focus_on_frame (f
)
5647 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5649 /* Give input focus to frame. */
5652 /* Try not to change its Z-order if possible. */
5653 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5654 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5657 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5667 /* Raise frame F. */
5674 /* Strictly speaking, raise-frame should only change the frame's Z
5675 order, leaving input focus unchanged. This is reasonable behaviour
5676 on X where the usual policy is point-to-focus. However, this
5677 behaviour would be very odd on Windows where the usual policy is
5680 On X, if the mouse happens to be over the raised frame, it gets
5681 input focus anyway (so the window with focus will never be
5682 completely obscured) - if not, then just moving the mouse over it
5683 is sufficient to give it focus. On Windows, the user must actually
5684 click on the frame (preferrably the title bar so as not to move
5685 point), which is more awkward. Also, no other Windows program
5686 raises a window to the top but leaves another window (possibly now
5687 completely obscured) with input focus.
5689 Because there is a system setting on Windows that allows the user
5690 to choose the point to focus policy, we make the strict semantics
5691 optional, but by default we grab focus when raising. */
5693 if (NILP (Vw32_grab_focus_on_raise
))
5695 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5696 not already the foreground application: the frame is raised
5697 above all other frames belonging to us, but not above the
5698 current top window. To achieve that, we have to resort to this
5699 more cumbersome method. */
5701 HDWP handle
= BeginDeferWindowPos (2);
5704 DeferWindowPos (handle
,
5705 FRAME_W32_WINDOW (f
),
5708 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5710 DeferWindowPos (handle
,
5711 GetForegroundWindow (),
5712 FRAME_W32_WINDOW (f
),
5714 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5716 EndDeferWindowPos (handle
);
5721 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5727 /* Lower frame F. */
5733 my_set_window_pos (FRAME_W32_WINDOW (f
),
5736 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5741 w32_frame_raise_lower (f
, raise_flag
)
5745 if (! FRAME_W32_P (f
))
5754 /* Change of visibility. */
5756 /* This tries to wait until the frame is really visible.
5757 However, if the window manager asks the user where to position
5758 the frame, this will return before the user finishes doing that.
5759 The frame will not actually be visible at that time,
5760 but it will become visible later when the window manager
5761 finishes with it. */
5764 x_make_frame_visible (f
)
5771 type
= x_icon_type (f
);
5773 x_bitmap_icon (f
, type
);
5775 if (! FRAME_VISIBLE_P (f
))
5777 /* We test FRAME_GARBAGED_P here to make sure we don't
5778 call x_set_offset a second time
5779 if we get to x_make_frame_visible a second time
5780 before the window gets really visible. */
5781 if (! FRAME_ICONIFIED_P (f
)
5782 && ! f
->output_data
.w32
->asked_for_visible
)
5787 /* Adjust vertical window position in order to avoid being
5788 covered by a task bar placed at the bottom of the desktop. */
5789 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5790 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5791 if (window_rect
.bottom
> workarea_rect
.bottom
5792 && window_rect
.top
> workarea_rect
.top
)
5793 f
->top_pos
= max (window_rect
.top
5794 - window_rect
.bottom
+ workarea_rect
.bottom
,
5797 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5800 f
->output_data
.w32
->asked_for_visible
= 1;
5802 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5803 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5806 /* Synchronize to ensure Emacs knows the frame is visible
5807 before we do anything else. We do this loop with input not blocked
5808 so that incoming events are handled. */
5813 /* This must come after we set COUNT. */
5816 XSETFRAME (frame
, f
);
5818 /* Wait until the frame is visible. Process X events until a
5819 MapNotify event has been seen, or until we think we won't get a
5820 MapNotify at all.. */
5821 for (count
= input_signal_count
+ 10;
5822 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5824 /* Force processing of queued events. */
5825 /* TODO: x_sync equivalent? */
5827 /* Machines that do polling rather than SIGIO have been observed
5828 to go into a busy-wait here. So we'll fake an alarm signal
5829 to let the handler know that there's something to be read.
5830 We used to raise a real alarm, but it seems that the handler
5831 isn't always enabled here. This is probably a bug. */
5832 if (input_polling_used ())
5834 /* It could be confusing if a real alarm arrives while processing
5835 the fake one. Turn it off and let the handler reset it. */
5836 int old_poll_suppress_count
= poll_suppress_count
;
5837 poll_suppress_count
= 1;
5838 poll_for_input_1 ();
5839 poll_suppress_count
= old_poll_suppress_count
;
5842 FRAME_SAMPLE_VISIBILITY (f
);
5846 /* Change from mapped state to withdrawn state. */
5848 /* Make the frame visible (mapped and not iconified). */
5850 x_make_frame_invisible (f
)
5853 /* Don't keep the highlight on an invisible frame. */
5854 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5855 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5859 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5861 /* We can't distinguish this from iconification
5862 just by the event that we get from the server.
5863 So we can't win using the usual strategy of letting
5864 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5865 and synchronize with the server to make sure we agree. */
5867 FRAME_ICONIFIED_P (f
) = 0;
5868 f
->async_visible
= 0;
5869 f
->async_iconified
= 0;
5874 /* Change window state from mapped to iconified. */
5882 /* Don't keep the highlight on an invisible frame. */
5883 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5884 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5886 if (f
->async_iconified
)
5891 type
= x_icon_type (f
);
5893 x_bitmap_icon (f
, type
);
5895 /* Simulate the user minimizing the frame. */
5896 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5902 /* Free X resources of frame F. */
5905 x_free_frame_resources (f
)
5908 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5912 if (FRAME_W32_WINDOW (f
))
5913 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5915 free_frame_menubar (f
);
5917 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5918 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5919 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5920 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5921 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5922 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5923 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5924 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5925 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5926 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5928 if (FRAME_FACE_CACHE (f
))
5929 free_frame_faces (f
);
5931 xfree (f
->output_data
.w32
);
5932 f
->output_data
.w32
= NULL
;
5934 if (f
== dpyinfo
->w32_focus_frame
)
5935 dpyinfo
->w32_focus_frame
= 0;
5936 if (f
== dpyinfo
->w32_focus_event_frame
)
5937 dpyinfo
->w32_focus_event_frame
= 0;
5938 if (f
== dpyinfo
->x_highlight_frame
)
5939 dpyinfo
->x_highlight_frame
= 0;
5941 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5943 dpyinfo
->mouse_face_beg_row
5944 = dpyinfo
->mouse_face_beg_col
= -1;
5945 dpyinfo
->mouse_face_end_row
5946 = dpyinfo
->mouse_face_end_col
= -1;
5947 dpyinfo
->mouse_face_window
= Qnil
;
5948 dpyinfo
->mouse_face_deferred_gc
= 0;
5949 dpyinfo
->mouse_face_mouse_frame
= 0;
5956 /* Destroy the window of frame F. */
5958 x_destroy_window (f
)
5961 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5963 x_free_frame_resources (f
);
5964 dpyinfo
->reference_count
--;
5968 /* Setting window manager hints. */
5970 /* Set the normal size hints for the window manager, for frame F.
5971 FLAGS is the flags word to use--or 0 meaning preserve the flags
5972 that the window now has.
5973 If USER_POSITION is nonzero, we set the USPosition
5974 flag (this is useful when FLAGS is 0). */
5976 x_wm_set_size_hint (f
, flags
, user_position
)
5981 Window window
= FRAME_W32_WINDOW (f
);
5985 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5986 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5987 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5988 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5993 /* Window manager things */
5995 x_wm_set_icon_position (f
, icon_x
, icon_y
)
6000 Window window
= FRAME_W32_WINDOW (f
);
6002 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6003 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6004 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6006 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6011 /***********************************************************************
6013 ***********************************************************************/
6015 /* The following functions are listed here to help diff stay in step
6016 with xterm.c. See w32fns.c for definitions.
6018 x_get_font_info (f, font_idx)
6019 x_list_fonts (f, pattern, size, maxnames)
6025 /* Check that FONT is valid on frame F. It is if it can be found in F's
6029 x_check_font (f
, font
)
6034 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6036 xassert (font
!= NULL
);
6038 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6039 if (dpyinfo
->font_table
[i
].name
6040 && font
== dpyinfo
->font_table
[i
].font
)
6043 xassert (i
< dpyinfo
->n_fonts
);
6046 #endif /* GLYPH_DEBUG != 0 */
6048 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6049 Note: There are (broken) X fonts out there with invalid XFontStruct
6050 min_bounds contents. For example, handa@etl.go.jp reports that
6051 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6052 have font->min_bounds.width == 0. */
6055 x_font_min_bounds (font
, w
, h
)
6060 * TODO: Windows does not appear to offer min bound, only
6061 * average and maximum width, and maximum height.
6063 *h
= FONT_HEIGHT (font
);
6064 *w
= FONT_WIDTH (font
);
6068 /* Compute the smallest character width and smallest font height over
6069 all fonts available on frame F. Set the members smallest_char_width
6070 and smallest_font_height in F's x_display_info structure to
6071 the values computed. Value is non-zero if smallest_font_height or
6072 smallest_char_width become smaller than they were before. */
6075 x_compute_min_glyph_bounds (f
)
6079 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6081 int old_width
= dpyinfo
->smallest_char_width
;
6082 int old_height
= dpyinfo
->smallest_font_height
;
6084 dpyinfo
->smallest_font_height
= 100000;
6085 dpyinfo
->smallest_char_width
= 100000;
6087 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6088 if (dpyinfo
->font_table
[i
].name
)
6090 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6093 font
= (XFontStruct
*) fontp
->font
;
6094 xassert (font
!= (XFontStruct
*) ~0);
6095 x_font_min_bounds (font
, &w
, &h
);
6097 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6098 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6101 xassert (dpyinfo
->smallest_char_width
> 0
6102 && dpyinfo
->smallest_font_height
> 0);
6104 return (dpyinfo
->n_fonts
== 1
6105 || dpyinfo
->smallest_char_width
< old_width
6106 || dpyinfo
->smallest_font_height
< old_height
);
6109 /* The following functions are listed here to help diff stay in step
6110 with xterm.c. See w32fns.c for definitions.
6112 x_load_font (f, fontname, size)
6113 x_query_font (f, fontname)
6114 x_find_ccl_program (fontp)
6118 /***********************************************************************
6120 ***********************************************************************/
6122 static int w32_initialized
= 0;
6125 w32_initialize_display_info (display_name
)
6126 Lisp_Object display_name
;
6128 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6130 bzero (dpyinfo
, sizeof (*dpyinfo
));
6132 /* Put it on w32_display_name_list. */
6133 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6134 w32_display_name_list
);
6135 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6137 dpyinfo
->w32_id_name
6138 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6139 + SCHARS (Vsystem_name
)
6141 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6142 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6144 /* Default Console mode values - overridden when running in GUI mode
6145 with values obtained from system metrics. */
6148 dpyinfo
->height_in
= 1;
6149 dpyinfo
->width_in
= 1;
6150 dpyinfo
->n_planes
= 1;
6151 dpyinfo
->n_cbits
= 4;
6152 dpyinfo
->n_fonts
= 0;
6153 dpyinfo
->smallest_font_height
= 1;
6154 dpyinfo
->smallest_char_width
= 1;
6156 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6157 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6158 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6159 dpyinfo
->mouse_face_window
= Qnil
;
6160 dpyinfo
->mouse_face_overlay
= Qnil
;
6161 dpyinfo
->mouse_face_hidden
= 0;
6163 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6164 /* TODO: dpyinfo->gray */
6168 /* Create an xrdb-style database of resources to supercede registry settings.
6169 The database is just a concatenation of C strings, finished by an additional
6170 \0. The string are submitted to some basic normalization, so
6172 [ *]option[ *]:[ *]value...
6178 but any whitespace following value is not removed. */
6181 w32_make_rdb (xrm_option
)
6184 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6185 char *current
= buffer
;
6188 int before_value
= 0;
6202 if (in_option
&& (ch
== ':'))
6207 else if (before_value
)
6212 else if (!(in_option
|| before_value
))
6224 x_flush (struct frame
* f
)
6225 { /* Nothing to do */ }
6228 extern frame_parm_handler w32_frame_parm_handlers
[];
6230 static struct redisplay_interface w32_redisplay_interface
=
6232 w32_frame_parm_handlers
,
6236 x_clear_end_of_line
,
6238 x_after_update_window_line
,
6239 x_update_window_begin
,
6240 x_update_window_end
,
6243 0, /* flush_display_optional */
6244 x_clear_window_mouse_face
,
6245 w32_get_glyph_overhangs
,
6246 x_fix_overlapping_area
,
6247 w32_draw_fringe_bitmap
,
6248 w32_define_fringe_bitmap
,
6249 w32_destroy_fringe_bitmap
,
6250 w32_per_char_metric
,
6252 NULL
, /* w32_compute_glyph_string_overhangs */
6253 x_draw_glyph_string
,
6254 w32_define_frame_cursor
,
6255 w32_clear_frame_area
,
6256 w32_draw_window_cursor
,
6257 w32_draw_vertical_window_border
,
6258 w32_shift_glyphs_for_insert
6261 static void x_delete_terminal (struct terminal
*term
);
6263 static struct terminal
*
6264 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6266 struct terminal
*terminal
;
6268 terminal
= create_terminal ();
6270 terminal
->type
= output_w32
;
6271 terminal
->display_info
.w32
= dpyinfo
;
6272 dpyinfo
->terminal
= terminal
;
6274 /* MSVC does not type K&R functions with no arguments correctly, and
6275 so we must explicitly cast them. */
6276 terminal
->clear_frame_hook
= x_clear_frame
;
6277 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6278 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6279 terminal
->ring_bell_hook
= w32_ring_bell
;
6280 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6281 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6282 terminal
->update_begin_hook
= x_update_begin
;
6283 terminal
->update_end_hook
= x_update_end
;
6284 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6285 terminal
->read_socket_hook
= w32_read_socket
;
6286 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6287 terminal
->mouse_position_hook
= w32_mouse_position
;
6288 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6289 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6290 // terminal->fullscreen_hook = XTfullscreen_hook;
6291 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6292 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6293 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6294 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6296 terminal
->delete_frame_hook
= x_destroy_window
;
6297 terminal
->delete_terminal_hook
= x_delete_terminal
;
6299 terminal
->rif
= &w32_redisplay_interface
;
6300 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6301 terminal
->char_ins_del_ok
= 1;
6302 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6303 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6304 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6308 /* We don't yet support separate terminals on W32, so don't try to share
6309 keyboards between virtual terminals that are on the same physical
6310 terminal like X does. */
6311 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6312 init_kboard (terminal
->kboard
);
6313 terminal
->kboard
->next_kboard
= all_kboards
;
6314 all_kboards
= terminal
->kboard
;
6315 /* Don't let the initial kboard remain current longer than necessary.
6316 That would cause problems if a file loaded on startup tries to
6317 prompt in the mini-buffer. */
6318 if (current_kboard
== initial_kboard
)
6319 current_kboard
= terminal
->kboard
;
6320 terminal
->kboard
->reference_count
++;
6327 x_delete_terminal (struct terminal
*terminal
)
6329 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6332 /* Protect against recursive calls. Fdelete_frame in
6333 delete_terminal calls us back when it deletes our last frame. */
6334 if (!terminal
->name
)
6338 /* Free the fonts in the font table. */
6339 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6340 if (dpyinfo
->font_table
[i
].name
)
6342 DeleteObject (((XFontStruct
*)(dpyinfo
->font_table
[i
].font
))->hfont
);
6345 x_delete_display (dpyinfo
);
6349 struct w32_display_info
*
6350 w32_term_init (display_name
, xrm_option
, resource_name
)
6351 Lisp_Object display_name
;
6353 char *resource_name
;
6355 struct w32_display_info
*dpyinfo
;
6356 struct terminal
*terminal
;
6361 if (!w32_initialized
)
6364 w32_initialized
= 1;
6367 w32_initialize_display_info (display_name
);
6369 dpyinfo
= &one_w32_display_info
;
6370 terminal
= w32_create_terminal (dpyinfo
);
6372 /* Set the name of the terminal. */
6373 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6374 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6375 terminal
->name
[SBYTES (display_name
)] = 0;
6377 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6379 /* Put this display on the chain. */
6380 dpyinfo
->next
= x_display_list
;
6381 x_display_list
= dpyinfo
;
6383 hdc
= GetDC (GetDesktopWindow ());
6385 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6386 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6387 dpyinfo
->root_window
= GetDesktopWindow ();
6388 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6389 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6390 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6391 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6392 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6393 dpyinfo
->image_cache
= make_image_cache ();
6394 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6395 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6396 ReleaseDC (GetDesktopWindow (), hdc
);
6398 /* initialise palette with white and black */
6401 w32_defined_color (0, "white", &color
, 1);
6402 w32_defined_color (0, "black", &color
, 1);
6405 /* Add the default keyboard. */
6406 add_keyboard_wait_descriptor (0);
6408 /* Create Fringe Bitmaps and store them for later use.
6410 On W32, bitmaps are all unsigned short, as Windows requires
6411 bitmap data to be Word aligned. For some reason they are
6412 horizontally reflected compared to how they appear on X, so we
6413 need to bitswap and convert to unsigned shorts before creating
6415 w32_init_fringe (terminal
->rif
);
6417 #ifndef F_SETOWN_BUG
6419 #ifdef F_SETOWN_SOCK_NEG
6420 /* stdin is a socket here */
6421 fcntl (connection
, F_SETOWN
, -getpid ());
6422 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6423 fcntl (connection
, F_SETOWN
, getpid ());
6424 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6425 #endif /* ! defined (F_SETOWN) */
6426 #endif /* F_SETOWN_BUG */
6429 if (interrupt_input
)
6430 init_sigio (connection
);
6431 #endif /* ! defined (SIGIO) */
6438 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6440 x_delete_display (dpyinfo
)
6441 struct w32_display_info
*dpyinfo
;
6443 /* Discard this display from w32_display_name_list and w32_display_list.
6444 We can't use Fdelq because that can quit. */
6445 if (! NILP (w32_display_name_list
)
6446 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6447 w32_display_name_list
= XCDR (w32_display_name_list
);
6452 tail
= w32_display_name_list
;
6453 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6455 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6457 XSETCDR (tail
, XCDR (XCDR (tail
)));
6464 /* free palette table */
6466 struct w32_palette_entry
* plist
;
6468 plist
= dpyinfo
->color_list
;
6471 struct w32_palette_entry
* pentry
= plist
;
6472 plist
= plist
->next
;
6475 dpyinfo
->color_list
= NULL
;
6476 if (dpyinfo
->palette
)
6477 DeleteObject(dpyinfo
->palette
);
6479 xfree (dpyinfo
->font_table
);
6480 xfree (dpyinfo
->w32_id_name
);
6482 w32_reset_fringes ();
6485 /* Set up use of W32. */
6487 DWORD WINAPI
w32_msg_worker (void * arg
);
6494 w32_system_caret_hwnd
= NULL
;
6495 w32_system_caret_height
= 0;
6496 w32_system_caret_x
= 0;
6497 w32_system_caret_y
= 0;
6499 /* Initialize w32_use_visible_system_caret based on whether a screen
6500 reader is in use. */
6501 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6502 &w32_use_visible_system_caret
, 0))
6503 w32_use_visible_system_caret
= 0;
6505 last_tool_bar_item
= -1;
6506 any_help_event_p
= 0;
6508 /* Initialize input mode: interrupt_input off, no flow control, allow
6509 8 bit character input, standard quit char. */
6510 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6512 /* Create the window thread - it will terminate itself or when the app terminates */
6516 dwMainThreadId
= GetCurrentThreadId ();
6517 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6518 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6520 /* Wait for thread to start */
6525 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6527 hWindowsThread
= CreateThread (NULL
, 0,
6529 0, 0, &dwWindowsThreadId
);
6531 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6534 /* It is desirable that mainThread should have the same notion of
6535 focus window and active window as windowsThread. Unfortunately, the
6536 following call to AttachThreadInput, which should do precisely what
6537 we need, causes major problems when Emacs is linked as a console
6538 program. Unfortunately, we have good reasons for doing that, so
6539 instead we need to send messages to windowsThread to make some API
6540 calls for us (ones that affect, or depend on, the active/focus
6542 #ifdef ATTACH_THREADS
6543 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6546 /* Load system settings. */
6548 UINT smoothing_type
;
6549 BOOL smoothing_enabled
;
6551 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6552 otherwise use the fixed height. */
6553 vertical_scroll_bar_min_handle
= 5;
6555 /* For either kind of scroll bar, take account of the arrows; these
6556 effectively form the border of the main scroll bar range. */
6557 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6558 = GetSystemMetrics (SM_CYVSCROLL
);
6560 /* Constants that are not always defined by the system headers
6561 since they only exist on certain versions of Windows. */
6562 #ifndef SPI_GETFONTSMOOTHING
6563 #define SPI_GETFONTSMOOTHING 0x4A
6565 #ifndef SPI_GETFONTSMOOTHINGTYPE
6566 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6568 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6569 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6572 /* Determine if Cleartype is in use. Used to enable a hack in
6573 the char metric calculations which adds extra pixels to
6574 compensate for the "sub-pixels" that are not counted by the
6577 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6578 && smoothing_enabled
6579 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6580 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6587 staticpro (&w32_display_name_list
);
6588 w32_display_name_list
= Qnil
;
6590 staticpro (&last_mouse_scroll_bar
);
6591 last_mouse_scroll_bar
= Qnil
;
6593 staticpro (&Qvendor_specific_keysyms
);
6594 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6596 DEFVAR_INT ("w32-num-mouse-buttons",
6597 &w32_num_mouse_buttons
,
6598 doc
: /* Number of physical mouse buttons. */);
6599 w32_num_mouse_buttons
= 2;
6601 DEFVAR_LISP ("w32-swap-mouse-buttons",
6602 &Vw32_swap_mouse_buttons
,
6603 doc
: /* Swap the mapping of middle and right mouse buttons.
6604 When nil, middle button is mouse-2 and right button is mouse-3. */);
6605 Vw32_swap_mouse_buttons
= Qnil
;
6607 DEFVAR_LISP ("w32-grab-focus-on-raise",
6608 &Vw32_grab_focus_on_raise
,
6609 doc
: /* Raised frame grabs input focus.
6610 When t, `raise-frame' grabs input focus as well. This fits well
6611 with the normal Windows click-to-focus policy, but might not be
6612 desirable when using a point-to-focus policy. */);
6613 Vw32_grab_focus_on_raise
= Qt
;
6615 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6616 &Vw32_capslock_is_shiftlock
,
6617 doc
: /* Apply CapsLock state to non character input keys.
6618 When nil, CapsLock only affects normal character input keys. */);
6619 Vw32_capslock_is_shiftlock
= Qnil
;
6621 DEFVAR_LISP ("w32-recognize-altgr",
6622 &Vw32_recognize_altgr
,
6623 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6624 When nil, the right-alt and left-ctrl key combination is
6625 interpreted normally. */);
6626 Vw32_recognize_altgr
= Qt
;
6628 DEFVAR_BOOL ("w32-enable-unicode-output",
6629 &w32_enable_unicode_output
,
6630 doc
: /* Enable the use of Unicode for text output if non-nil.
6631 Unicode output may prevent some third party applications for displaying
6632 Far-East Languages on Windows 95/98 from working properly.
6633 NT uses Unicode internally anyway, so this flag will probably have no
6634 affect on NT machines. */);
6635 w32_enable_unicode_output
= 1;
6637 DEFVAR_BOOL ("w32-use-visible-system-caret",
6638 &w32_use_visible_system_caret
,
6639 doc
: /* Flag to make the system caret visible.
6640 When this is non-nil, Emacs will indicate the position of point by
6641 using the system caret instead of drawing its own cursor. Some screen
6642 reader software does not track the system cursor properly when it is
6643 invisible, and gets confused by Emacs drawing its own cursor, so this
6644 variable is initialized to t when Emacs detects that screen reader
6645 software is running as it starts up.
6647 When this variable is set, other variables affecting the appearance of
6648 the cursor have no effect. */);
6650 w32_use_visible_system_caret
= 0;
6652 /* We don't yet support this, but defining this here avoids whining
6653 from cus-start.el and other places, like "M-x set-variable". */
6654 DEFVAR_BOOL ("x-use-underline-position-properties",
6655 &x_use_underline_position_properties
,
6656 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6657 A value of nil means ignore them. If you encounter fonts with bogus
6658 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6659 to 4.1, set this to nil.
6661 NOTE: Not supported on MS-Windows yet. */);
6662 x_use_underline_position_properties
= 0;
6664 DEFVAR_BOOL ("x-underline-at-descent-line",
6665 &x_underline_at_descent_line
,
6666 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6667 A value of nil means to draw the underline according to the value of the
6668 variable `x-use-underline-position-properties', which is usually at the
6669 baseline level. The default value is nil. */);
6670 x_underline_at_descent_line
= 0;
6672 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6673 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6674 Vx_toolkit_scroll_bars
= Qt
;
6676 staticpro (&last_mouse_motion_frame
);
6677 last_mouse_motion_frame
= Qnil
;
6680 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6681 (do not change this comment) */