1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001,
3 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
27 #include "blockinput.h"
39 #include "character.h"
43 #include "dispextern.h"
45 #include "termhooks.h"
53 #include "intervals.h"
62 #define abs(x) ((x) < 0 ? -(x) : (x))
67 static int max_fringe_bmp
= 0;
68 static HBITMAP
*fringe_bmp
= 0;
70 /* Non-nil means Emacs uses toolkit scroll bars. */
72 Lisp_Object Vx_toolkit_scroll_bars
;
74 /* Temporary variables for w32_read_socket. */
76 static int last_mousemove_x
= 0;
77 static int last_mousemove_y
= 0;
79 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
80 #ifndef GET_WHEEL_DELTA_WPARAM
81 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
84 /* Non-zero means that a HELP_EVENT has been generated since Emacs
87 static int any_help_event_p
;
89 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
90 static Lisp_Object last_window
;
92 /* Non-zero means make use of UNDERLINE_POSITION font properties.
93 (Not yet supported, see TODO in x_draw_glyph_string.) */
94 int x_use_underline_position_properties
;
96 extern unsigned int msh_mousewheel
;
98 extern void free_frame_menubar ();
100 extern int w32_codepage_for_font (char *fontname
);
101 extern Cursor
w32_load_cursor (LPCTSTR name
);
103 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
104 unsigned char *text
, int dim
);
105 extern Lisp_Object Vwindow_system
;
107 #define x_any_window_to_frame x_window_to_frame
108 #define x_top_window_to_frame x_window_to_frame
111 /* This is display since w32 does not support multiple ones. */
112 struct w32_display_info one_w32_display_info
;
113 struct w32_display_info
*x_display_list
;
115 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
116 one for each element of w32_display_list and in the same order.
117 NAME is the name of the frame.
118 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
119 Lisp_Object w32_display_name_list
;
123 /* Pre Windows 2000, this was not available, but define it here so
124 that Emacs compiled on such a platform will run on newer versions. */
126 typedef struct tagWCRANGE
132 typedef struct tagGLYPHSET
136 DWORD cGlyphsSupported
;
143 /* Dynamic linking to GetFontUnicodeRanges (not available on 95, 98, ME). */
144 DWORD (PASCAL
*pfnGetFontUnicodeRanges
) (HDC device
, GLYPHSET
*ranges
);
146 /* Frame being updated by update_frame. This is declared in term.c.
147 This is set by update_begin and looked at by all the
148 w32 functions. It is zero while not inside an update.
149 In that case, the w32 functions assume that `SELECTED_FRAME ()'
150 is the frame to apply to. */
151 extern struct frame
*updating_frame
;
153 /* This is a frame waiting to be autoraised, within w32_read_socket. */
154 struct frame
*pending_autoraise_frame
;
156 /* The handle of the frame that currently owns the system caret. */
157 HWND w32_system_caret_hwnd
;
158 int w32_system_caret_height
;
159 int w32_system_caret_x
;
160 int w32_system_caret_y
;
161 int w32_use_visible_system_caret
;
163 /* Flag to enable Unicode output in case users wish to use programs
164 like Twinbridge on '95 rather than installed system level support
165 for Far East languages. */
166 int w32_enable_unicode_output
;
168 /* Flag to enable Cleartype hack for font metrics. */
169 static int cleartype_active
;
171 DWORD dwWindowsThreadId
= 0;
172 HANDLE hWindowsThread
= NULL
;
173 DWORD dwMainThreadId
= 0;
174 HANDLE hMainThread
= NULL
;
177 /* These definitions are new with Windows 95. */
178 #define SIF_RANGE 0x0001
179 #define SIF_PAGE 0x0002
180 #define SIF_POS 0x0004
181 #define SIF_DISABLENOSCROLL 0x0008
182 #define SIF_TRACKPOS 0x0010
183 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
185 typedef struct tagSCROLLINFO
194 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
195 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
198 /* Dynamic linking to new proportional scroll bar functions. */
199 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
200 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
202 int vertical_scroll_bar_min_handle
;
203 int vertical_scroll_bar_top_border
;
204 int vertical_scroll_bar_bottom_border
;
206 int last_scroll_bar_drag_pos
;
208 /* Mouse movement. */
210 /* Where the mouse was last time we reported a mouse event. */
212 static RECT last_mouse_glyph
;
213 static Lisp_Object last_mouse_press_frame
;
215 int w32_num_mouse_buttons
;
217 Lisp_Object Vw32_swap_mouse_buttons
;
219 /* Control whether x_raise_frame also sets input focus. */
220 Lisp_Object Vw32_grab_focus_on_raise
;
222 /* Control whether Caps Lock affects non-ascii characters. */
223 Lisp_Object Vw32_capslock_is_shiftlock
;
225 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
226 Lisp_Object Vw32_recognize_altgr
;
228 /* The scroll bar in which the last motion event occurred.
230 If the last motion event occurred in a scroll bar, we set this
231 so w32_mouse_position can know whether to report a scroll bar motion or
234 If the last motion event didn't occur in a scroll bar, we set this
235 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
236 static Lisp_Object last_mouse_scroll_bar
;
237 static int last_mouse_scroll_bar_pos
;
239 /* This is a hack. We would really prefer that w32_mouse_position would
240 return the time associated with the position it returns, but there
241 doesn't seem to be any way to wrest the time-stamp from the server
242 along with the position query. So, we just keep track of the time
243 of the last movement we received, and return that in hopes that
244 it's somewhat accurate. */
246 static Time last_mouse_movement_time
;
248 /* Incremented by w32_read_socket whenever it really tries to read
252 static int volatile input_signal_count
;
254 static int input_signal_count
;
257 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
263 /* A mask of extra modifier bits to put into every keyboard char. */
265 extern EMACS_INT extra_keyboard_modifiers
;
267 static void x_update_window_end
P_ ((struct window
*, int, int));
268 void w32_delete_display
P_ ((struct w32_display_info
*));
269 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
270 struct input_event
*));
271 void w32_define_cursor
P_ ((Window
, Cursor
));
273 void x_lower_frame
P_ ((struct frame
*));
274 void x_scroll_bar_clear
P_ ((struct frame
*));
275 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
276 void x_raise_frame
P_ ((struct frame
*));
277 void x_set_window_size
P_ ((struct frame
*, int, int, int));
278 void x_wm_set_window_state
P_ ((struct frame
*, int));
279 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
280 void w32_initialize
P_ ((void));
281 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
282 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
283 static void x_update_end
P_ ((struct frame
*));
284 static void w32_frame_up_to_date
P_ ((struct frame
*));
285 static void w32_set_terminal_modes
P_ ((void));
286 static void w32_reset_terminal_modes
P_ ((void));
287 static void x_clear_frame
P_ ((void));
288 static void frame_highlight
P_ ((struct frame
*));
289 static void frame_unhighlight
P_ ((struct frame
*));
290 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
292 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
293 struct frame
*, struct input_event
*));
294 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
295 W32Msg
*, struct input_event
*));
296 static void w32_frame_rehighlight
P_ ((struct frame
*));
297 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
298 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
299 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
300 enum text_cursor_kinds
));
301 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
302 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
303 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
304 static void my_set_focus
P_ ((struct frame
*, HWND
));
305 static void my_set_foreground_window
P_ ((HWND
));
306 static void my_destroy_window
P_ ((struct frame
*, HWND
));
308 static Lisp_Object Qvendor_specific_keysyms
;
311 /***********************************************************************
313 ***********************************************************************/
317 /* This is a function useful for recording debugging information about
318 the sequence of occurrences in this file. */
326 struct record event_record
[100];
328 int event_record_index
;
330 record_event (locus
, type
)
334 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
335 event_record_index
= 0;
337 event_record
[event_record_index
].locus
= locus
;
338 event_record
[event_record_index
].type
= type
;
339 event_record_index
++;
346 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
349 if (mask
& GCForeground
)
350 gc
->foreground
= xgcv
->foreground
;
351 if (mask
& GCBackground
)
352 gc
->background
= xgcv
->background
;
354 gc
->font
= xgcv
->font
;
357 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
360 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
361 bzero (gc
, sizeof (XGCValues
));
363 XChangeGC (ignore
, gc
, mask
, xgcv
);
369 XGetGCValues (void* ignore
, XGCValues
*gc
,
370 unsigned long mask
, XGCValues
*xgcv
)
372 XChangeGC (ignore
, xgcv
, mask
, gc
);
376 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
380 HRGN clip_region
= CreateRectRgnIndirect (rect
);
381 SelectClipRgn (hdc
, clip_region
);
382 DeleteObject (clip_region
);
385 SelectClipRgn (hdc
, NULL
);
389 /* Draw a hollow rectangle at the specified position. */
391 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
392 int width
, int height
)
397 hb
= CreateSolidBrush (gc
->background
);
398 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
399 oldhb
= SelectObject (hdc
, hb
);
400 oldhp
= SelectObject (hdc
, hp
);
402 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
404 SelectObject (hdc
, oldhb
);
405 SelectObject (hdc
, oldhp
);
410 /* Draw a filled rectangle at the specified position. */
412 w32_fill_rect (f
, hdc
, pix
, lprect
)
420 hb
= CreateSolidBrush (pix
);
421 FillRect (hdc
, lprect
, hb
);
430 HDC hdc
= get_frame_dc (f
);
432 /* Under certain conditions, this can be called at startup with
433 a console frame pointer before the GUI frame is created. An HDC
434 of 0 indicates this. */
437 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
438 w32_clear_rect (f
, hdc
, &rect
);
441 release_frame_dc (f
, hdc
);
445 /***********************************************************************
446 Starting and ending an update
447 ***********************************************************************/
449 /* Start an update of frame F. This function is installed as a hook
450 for update_begin, i.e. it is called when update_begin is called.
451 This function is called prior to calls to x_update_window_begin for
452 each window being updated. */
458 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
460 if (! FRAME_W32_P (f
))
463 /* Regenerate display palette before drawing if list of requested
464 colors has changed. */
465 if (display_info
->regen_palette
)
467 w32_regenerate_palette (f
);
468 display_info
->regen_palette
= FALSE
;
473 /* Start update of window W. Set the global variable updated_window
474 to the window being updated and set output_cursor to the cursor
478 x_update_window_begin (w
)
481 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
482 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
484 /* Hide the system caret during an update. */
485 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
487 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
491 set_output_cursor (&w
->cursor
);
495 if (f
== display_info
->mouse_face_mouse_frame
)
497 /* Don't do highlighting for mouse motion during the update. */
498 display_info
->mouse_face_defer
= 1;
500 /* If F needs to be redrawn, simply forget about any prior mouse
502 if (FRAME_GARBAGED_P (f
))
503 display_info
->mouse_face_window
= Qnil
;
505 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
506 their mouse_face_p flag set, which means that they are always
507 unequal to rows in a desired matrix which never have that
508 flag set. So, rows containing mouse-face glyphs are never
509 scrolled, and we don't have to switch the mouse highlight off
510 here to prevent it from being scrolled. */
512 /* Can we tell that this update does not affect the window
513 where the mouse highlight is? If so, no need to turn off.
514 Likewise, don't do anything if the frame is garbaged;
515 in that case, the frame's current matrix that we would use
516 is all wrong, and we will redisplay that line anyway. */
517 if (!NILP (display_info
->mouse_face_window
)
518 && w
== XWINDOW (display_info
->mouse_face_window
))
522 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
523 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
526 if (i
< w
->desired_matrix
->nrows
)
527 clear_mouse_face (display_info
);
535 /* Draw a vertical window border from (x,y0) to (x,y1) */
538 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
542 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
552 hdc
= get_frame_dc (f
);
553 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
555 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
557 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
559 release_frame_dc (f
, hdc
);
563 /* End update of window W (which is equal to updated_window).
565 Draw vertical borders between horizontally adjacent windows, and
566 display W's cursor if CURSOR_ON_P is non-zero.
568 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
569 glyphs in mouse-face were overwritten. In that case we have to
570 make sure that the mouse-highlight is properly redrawn.
572 W may be a menu bar pseudo-window in case we don't have X toolkit
573 support. Such windows don't have a cursor, so don't display it
577 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
579 int cursor_on_p
, mouse_face_overwritten_p
;
581 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
583 if (!w
->pseudo_window_p
)
588 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
590 output_cursor
.x
, output_cursor
.y
);
592 if (draw_window_fringes (w
, 1))
593 x_draw_vertical_border (w
);
598 /* If a row with mouse-face was overwritten, arrange for
599 XTframe_up_to_date to redisplay the mouse highlight. */
600 if (mouse_face_overwritten_p
)
602 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
603 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
604 dpyinfo
->mouse_face_window
= Qnil
;
607 /* Unhide the caret. This won't actually show the cursor, unless it
608 was visible before the corresponding call to HideCaret in
609 x_update_window_begin. */
610 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
612 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
615 updated_window
= NULL
;
619 /* End update of frame F. This function is installed as a hook in
626 if (! FRAME_W32_P (f
))
629 /* Mouse highlight may be displayed again. */
630 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
634 /* This function is called from various places in xdisp.c whenever a
635 complete update has been performed. The global variable
636 updated_window is not available here. */
639 w32_frame_up_to_date (f
)
644 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
646 if (dpyinfo
->mouse_face_deferred_gc
647 || f
== dpyinfo
->mouse_face_mouse_frame
)
650 if (dpyinfo
->mouse_face_mouse_frame
)
651 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
652 dpyinfo
->mouse_face_mouse_x
,
653 dpyinfo
->mouse_face_mouse_y
);
654 dpyinfo
->mouse_face_deferred_gc
= 0;
661 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
662 arrow bitmaps, or clear the fringes if no bitmaps are required
663 before DESIRED_ROW is made current. The window being updated is
664 found in updated_window. This function is called from
665 update_window_line only if it is known that there are differences
666 between bitmaps to be drawn between current row and DESIRED_ROW. */
669 x_after_update_window_line (desired_row
)
670 struct glyph_row
*desired_row
;
672 struct window
*w
= updated_window
;
678 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
679 desired_row
->redraw_fringe_bitmaps_p
= 1;
681 /* When a window has disappeared, make sure that no rest of
682 full-width rows stays visible in the internal border. Could
683 check here if updated_window is the leftmost/rightmost window,
684 but I guess it's not worth doing since vertically split windows
685 are almost never used, internal border is rarely set, and the
686 overhead is very small. */
687 if (windows_or_buffers_changed
688 && desired_row
->full_width_p
689 && (f
= XFRAME (w
->frame
),
690 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
692 && (height
= desired_row
->visible_height
,
695 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
697 /* Internal border is drawn below the tool bar. */
698 if (WINDOWP (f
->tool_bar_window
)
699 && w
== XWINDOW (f
->tool_bar_window
))
704 HDC hdc
= get_frame_dc (f
);
705 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
706 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
708 release_frame_dc (f
, hdc
);
715 /* Draw the bitmap WHICH in one of the left or right fringes of
716 window W. ROW is the glyph row for which to display the bitmap; it
717 determines the vertical position at which the bitmap has to be
721 w32_draw_fringe_bitmap (w
, row
, p
)
723 struct glyph_row
*row
;
724 struct draw_fringe_bitmap_params
*p
;
726 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
728 struct face
*face
= p
->face
;
731 hdc
= get_frame_dc (f
);
733 /* Must clip because of partially visible lines. */
734 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
737 /* Adjust position of "bottom aligned" bitmap on partially
740 int oldVH
= row
->visible_height
;
741 row
->visible_height
= p
->h
;
742 row
->y
-= rowY
- p
->y
;
743 w32_clip_to_row (w
, row
, -1, hdc
);
745 row
->visible_height
= oldVH
;
748 w32_clip_to_row (w
, row
, -1, hdc
);
750 if (p
->bx
>= 0 && !p
->overlay_p
)
752 w32_fill_area (f
, hdc
, face
->background
,
753 p
->bx
, p
->by
, p
->nx
, p
->ny
);
756 if (p
->which
&& p
->which
< max_fringe_bmp
)
758 HBITMAP pixmap
= fringe_bmp
[p
->which
];
762 compat_hdc
= CreateCompatibleDC (hdc
);
766 horig_obj
= SelectObject (compat_hdc
, pixmap
);
768 /* Paint overlays transparently. */
771 HBRUSH h_brush
, h_orig_brush
;
773 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
774 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
775 h_brush
= CreateSolidBrush (face
->foreground
);
776 h_orig_brush
= SelectObject (hdc
, h_brush
);
778 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
779 compat_hdc
, 0, p
->dh
,
781 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
782 compat_hdc
, 0, p
->dh
,
784 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
785 compat_hdc
, 0, p
->dh
,
788 SelectObject (hdc
, h_orig_brush
);
789 DeleteObject (h_brush
);
793 SetTextColor (hdc
, face
->background
);
794 SetBkColor (hdc
, (p
->cursor_p
795 ? f
->output_data
.w32
->cursor_pixel
796 : face
->foreground
));
798 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
799 compat_hdc
, 0, p
->dh
,
803 SelectObject (compat_hdc
, horig_obj
);
804 DeleteDC (compat_hdc
);
808 w32_set_clip_rectangle (hdc
, NULL
);
810 release_frame_dc (f
, hdc
);
814 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
816 unsigned short *bits
;
819 if (which
>= max_fringe_bmp
)
821 int i
= max_fringe_bmp
;
822 max_fringe_bmp
= which
+ 20;
823 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
824 while (i
< max_fringe_bmp
)
828 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
832 w32_destroy_fringe_bitmap (which
)
835 if (which
>= max_fringe_bmp
)
838 if (fringe_bmp
[which
])
839 DeleteObject (fringe_bmp
[which
]);
840 fringe_bmp
[which
] = 0;
845 /* This is called when starting Emacs and when restarting after
846 suspend. When starting Emacs, no window is mapped. And nothing
847 must be done to Emacs's own window if it is suspended (though that
851 w32_set_terminal_modes (void)
855 /* This is called when exiting or suspending Emacs. Exiting will make
856 the W32 windows go away, and suspending requires no action. */
859 w32_reset_terminal_modes (void)
865 /***********************************************************************
867 ***********************************************************************/
869 /* Function prototypes of this page. */
871 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
872 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*,
873 struct charset
*, int *));
876 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
877 If CHAR2B is not contained in FONT, the font's default character
878 metric is returned. */
881 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
887 glyph_metric
* bdf_metric
;
891 buf
[0] = (char)(*char2b
);
894 buf
[0] = XCHAR2B_BYTE1 (char2b
);
895 buf
[1] = XCHAR2B_BYTE2 (char2b
);
898 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
902 pcm
->width
= bdf_metric
->dwidth
;
903 pcm
->lbearing
= bdf_metric
->bbox
;
904 pcm
->rbearing
= bdf_metric
->dwidth
905 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
906 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
907 pcm
->descent
= -bdf_metric
->bboy
;
916 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
919 enum w32_char_font_type font_type
;
922 HDC hdc
= GetDC (NULL
);
926 xassert (font
&& char2b
);
927 xassert (font
->hfont
);
928 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
930 old_font
= SelectObject (hdc
, font
->hfont
);
932 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
936 if (font_type
== UNICODE_FONT
)
937 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
939 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
944 /* Disabled until we can find a way to get the right results
945 on all versions of Windows. */
947 /* Don't trust the ABC widths. For synthesized fonts they are
948 wrong, and so is the result of GetCharWidth()! */
950 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
952 if (cleartype_active
)
954 /* Cleartype antialiasing causes characters to overhang
955 by a pixel on each side compared with what GetCharABCWidths
957 char_widths
.abcA
-= 1;
958 char_widths
.abcC
-= 1;
959 char_widths
.abcB
+= 2;
962 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
964 /* As far as I can tell, this is the best way to determine what
965 ExtTextOut will do with the broken font. */
966 if (pcm
->width
!= real_width
)
967 pcm
->width
= (pcm
->width
+ real_width
) / 2;
969 pcm
->lbearing
= char_widths
.abcA
;
970 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
971 pcm
->ascent
= FONT_BASE (font
);
972 pcm
->descent
= FONT_DESCENT (font
);
978 /* Either font is not a True-type font, or GetCharABCWidthsW
979 failed (it is not supported on Windows 9x for instance), so we
980 can't determine the full info we would like. All is not lost
981 though - we can call GetTextExtentPoint32 to get rbearing and
982 deduce width based on the font's per-string overhang. lbearing
983 is assumed to be zero. */
985 /* TODO: Some Thai characters (and other composites if Windows
986 supports them) do have lbearing, and report their total width
987 as zero. Need some way of handling them when
988 GetCharABCWidthsW fails. */
991 if (font_type
== UNICODE_FONT
)
992 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
994 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
998 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
999 pcm
->rbearing
= sz
.cx
;
1001 pcm
->ascent
= FONT_BASE (font
);
1002 pcm
->descent
= FONT_DESCENT (font
);
1007 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
1012 SelectObject (hdc
, old_font
);
1013 ReleaseDC (NULL
, hdc
);
1020 w32_per_char_metric (font
, char2b
, font_type
)
1023 int /* enum w32_char_font_type */ font_type
;
1025 /* The result metric information. */
1029 xassert (font
&& char2b
);
1031 /* TODO: This function is currently called through the RIF, and in
1032 some cases font_type is UNKNOWN_FONT. We currently allow the
1033 cached metrics to be used, which seems to work, but in cases
1034 where font_type is UNKNOWN_FONT, we probably haven't encoded
1035 char2b appropriately. All callers need checking to see what they
1036 are passing. This is most likely to affect variable width fonts
1037 outside the Latin-1 range, particularly in languages like Thai
1038 that rely on rbearing and lbearing to provide composition. I
1039 don't think that is working currently anyway, but we don't seem
1040 to have anyone testing such languages on Windows. */
1042 /* Handle the common cases quickly. */
1043 if (!font
->bdf
&& font
->per_char
== NULL
)
1044 /* TODO: determine whether char2b exists in font? */
1045 return &font
->max_bounds
;
1046 else if (!font
->bdf
&& *char2b
< 128)
1047 return &font
->per_char
[*char2b
];
1049 xassert (font_type
!= UNKNOWN_FONT
);
1051 pcm
= &font
->scratch
;
1053 if (font_type
== BDF_1D_FONT
)
1054 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1055 else if (font_type
== BDF_2D_FONT
)
1056 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1058 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1067 w32_cache_char_metrics (font
)
1070 wchar_t char2b
= L
'x';
1072 /* Cache char metrics for the common cases. */
1075 /* TODO: determine whether font is fixed-pitch. */
1076 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1078 /* Use the font width and height as max bounds, as not all BDF
1079 fonts contain the letter 'x'. */
1080 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1081 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1082 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1083 font
->max_bounds
.ascent
= FONT_BASE (font
);
1084 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1089 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1090 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1091 though they contain characters of different widths. */
1092 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1094 /* Font is not fixed pitch, so cache per_char info for the
1095 ASCII characters. It would be much more work, and probably
1096 not worth it, to cache other chars, since we may change
1097 between using Unicode and ANSI text drawing functions at
1101 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1102 for (i
= 0; i
< 128; i
++)
1105 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1106 &font
->per_char
[i
]);
1110 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1116 /* Determine if a font is double byte. */
1117 int w32_font_is_double_byte (XFontStruct
*font
)
1119 return font
->double_byte_p
;
1124 w32_use_unicode_for_codepage (codepage
)
1127 /* If the current codepage is supported, use Unicode for output. */
1128 return (w32_enable_unicode_output
1129 && codepage
!= CP_8BIT
1130 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1133 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1134 the two-byte form of C. Encoding is returned in *CHAR2B. */
1136 static int /* enum w32_char_font_type */
1137 w32_encode_char (c
, char2b
, font_info
, charset
, two_byte_p
)
1140 struct font_info
*font_info
;
1141 struct charset
*charset
;
1146 int internal_two_byte_p
= 0;
1148 XFontStruct
*font
= font_info
->font
;
1150 internal_two_byte_p
= w32_font_is_double_byte (font
);
1151 codepage
= font_info
->codepage
;
1153 /* If font can output unicode, use the original unicode character. */
1154 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1159 internal_two_byte_p
= 1;
1162 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1163 This may be either a program in a special encoder language or a
1165 else if (font_info
->font_encoder
)
1167 /* It's a program. */
1168 struct ccl_program
*ccl
= font_info
->font_encoder
;
1170 if (CHARSET_DIMENSION (charset
) == 1)
1172 ccl
->reg
[0] = CHARSET_ID (charset
);
1173 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1178 ccl
->reg
[0] = CHARSET_ID (charset
);
1179 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1180 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1183 ccl_driver (ccl
, NULL
, NULL
, 0, 0, Qnil
);
1185 /* We assume that MSBs are appropriately set/reset by CCL
1187 if (!internal_two_byte_p
) /* 1-byte font */
1188 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1190 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1192 else if (font_info
->encoding_type
)
1194 /* Fixed encoding scheme. See fontset.h for the meaning of the
1195 encoding numbers. */
1196 unsigned char enc
= font_info
->encoding_type
;
1198 if ((enc
== 1 || enc
== 2)
1199 && CHARSET_DIMENSION (charset
) == 2)
1200 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1202 if (enc
== 1 || enc
== 3 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1203 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1206 int code
= (int) (*char2b
);
1209 STORE_XCHAR2B (char2b
, (code
>> 8), (code
& 0xFF));
1214 *two_byte_p
= internal_two_byte_p
;
1217 return UNKNOWN_FONT
;
1218 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1223 return UNICODE_FONT
;
1229 /* Return a char-table whose elements are t if the font FONT_INFO
1230 contains a glyph for the corresponding character, and nil if not.
1232 Fixme: For the moment, this function works only for fonts whose
1233 glyph encoding is the same as Unicode (e.g. ISO10646-1 fonts). */
1236 x_get_font_repertory (f
, font_info
)
1238 struct font_info
*font_info
;
1240 XFontStruct
*font
= (XFontStruct
*) font_info
->font
;
1242 int min_byte1
, max_byte1
, min_byte2
, max_byte2
;
1244 table
= Fmake_char_table (Qnil
, Qnil
);
1246 if (!font
->bdf
&& pfnGetFontUnicodeRanges
)
1249 DWORD glyphset_size
;
1250 HDC display
= get_frame_dc (f
);
1254 prev_font
= SelectObject (display
, font
->hfont
);
1256 /* First call GetFontUnicodeRanges to find out how big a structure
1258 glyphset_size
= pfnGetFontUnicodeRanges (display
, NULL
);
1261 glyphset
= (GLYPHSET
*) alloca (glyphset_size
);
1262 glyphset
->cbThis
= glyphset_size
;
1264 /* Now call it again to get the ranges. */
1265 glyphset_size
= pfnGetFontUnicodeRanges (display
, glyphset
);
1269 /* Store the ranges in TABLE. */
1270 for (i
= 0; i
< glyphset
->cRanges
; i
++)
1272 int from
= glyphset
->ranges
[i
].wcLow
;
1273 int to
= from
+ glyphset
->ranges
[i
].cGlyphs
- 1;
1274 char_table_set_range (table
, from
, to
, Qt
);
1279 SelectObject (display
, prev_font
);
1280 release_frame_dc (f
, display
);
1282 /* If we got the information we wanted above, then return it. */
1287 #if 0 /* TODO: Convert to work on Windows so BDF and older platforms work. */
1288 /* When GetFontUnicodeRanges is not available or does not work,
1289 work it out manually. */
1290 min_byte1
= font
->min_byte1
;
1291 max_byte1
= font
->max_byte1
;
1292 min_byte2
= font
->min_char_or_byte2
;
1293 max_byte2
= font
->max_char_or_byte2
;
1294 if (min_byte1
== 0 && max_byte1
== 0)
1296 if (! font
->per_char
|| font
->all_chars_exist
== True
)
1297 char_table_set_range (table
, min_byte2
, max_byte2
, Qt
);
1300 XCharStruct
*pcm
= font
->per_char
;
1304 for (i
= min_byte2
; i
<= max_byte2
; i
++, pcm
++)
1306 if (pcm
->width
== 0 && pcm
->rbearing
== pcm
->lbearing
)
1310 char_table_set_range (table
, from
, i
- 1, Qt
);
1318 char_table_set_range (table
, from
, i
- 1, Qt
);
1323 if (! font
->per_char
|| font
->all_chars_exist
== True
)
1327 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1328 char_table_set_range (table
,
1329 (i
<< 8) | min_byte2
, (i
<< 8) | max_byte2
,
1334 XCharStruct
*pcm
= font
->per_char
;
1337 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1342 for (j
= min_byte2
; j
<= max_byte2
; j
++, pcm
++)
1344 if (pcm
->width
== 0 && pcm
->rbearing
== pcm
->lbearing
)
1348 char_table_set_range (table
, (i
<< 8) | from
,
1349 (i
<< 8) | (j
- 1), Qt
);
1357 char_table_set_range (table
, (i
<< 8) | from
,
1358 (i
<< 8) | (j
- 1), Qt
);
1367 /***********************************************************************
1369 ***********************************************************************/
1372 /* Encapsulate the different ways of displaying text under W32. */
1375 w32_text_out (s
, x
, y
,chars
,nchars
)
1376 struct glyph_string
* s
;
1381 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1383 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1384 x
, y
, (char *) chars
, charset_dim
,
1385 nchars
* charset_dim
, 0);
1386 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1387 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1389 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1390 nchars
* charset_dim
, NULL
);
1394 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1395 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1396 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1398 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1399 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1400 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1401 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1402 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1403 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1404 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1405 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1406 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1407 double, int, COLORREF
));
1408 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1409 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1410 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1411 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1412 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1413 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1415 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1416 int, int, int, int, int, int,
1418 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1419 int, int, int, RECT
*));
1422 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1426 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1431 struct glyph_string
*s
;
1433 if (s
->font
== FRAME_FONT (s
->f
)
1434 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1435 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1437 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1440 /* Cursor on non-default face: must merge. */
1444 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1445 xgcv
.foreground
= s
->face
->background
;
1447 /* If the glyph would be invisible, try a different foreground. */
1448 if (xgcv
.foreground
== xgcv
.background
)
1449 xgcv
.foreground
= s
->face
->foreground
;
1450 if (xgcv
.foreground
== xgcv
.background
)
1451 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1452 if (xgcv
.foreground
== xgcv
.background
)
1453 xgcv
.foreground
= s
->face
->foreground
;
1455 /* Make sure the cursor is distinct from text in this face. */
1456 if (xgcv
.background
== s
->face
->background
1457 && xgcv
.foreground
== s
->face
->foreground
)
1459 xgcv
.background
= s
->face
->foreground
;
1460 xgcv
.foreground
= s
->face
->background
;
1463 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1464 xgcv
.font
= s
->font
;
1465 mask
= GCForeground
| GCBackground
| GCFont
;
1467 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1468 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1471 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1472 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1474 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1479 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1482 x_set_mouse_face_gc (s
)
1483 struct glyph_string
*s
;
1488 /* What face has to be used last for the mouse face? */
1489 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1490 face
= FACE_FROM_ID (s
->f
, face_id
);
1492 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1494 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1495 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1497 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1498 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1499 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1501 /* If font in this face is same as S->font, use it. */
1502 if (s
->font
== s
->face
->font
)
1503 s
->gc
= s
->face
->gc
;
1506 /* Otherwise construct scratch_cursor_gc with values from FACE
1511 xgcv
.background
= s
->face
->background
;
1512 xgcv
.foreground
= s
->face
->foreground
;
1513 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1514 xgcv
.font
= s
->font
;
1515 mask
= GCForeground
| GCBackground
| GCFont
;
1517 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1518 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1521 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1522 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1524 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1527 xassert (s
->gc
!= 0);
1531 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1532 Faces to use in the mode line have already been computed when the
1533 matrix was built, so there isn't much to do, here. */
1536 x_set_mode_line_face_gc (s
)
1537 struct glyph_string
*s
;
1539 s
->gc
= s
->face
->gc
;
1543 /* Set S->gc of glyph string S for drawing that glyph string. Set
1544 S->stippled_p to a non-zero value if the face of S has a stipple
1548 x_set_glyph_string_gc (s
)
1549 struct glyph_string
*s
;
1551 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1553 if (s
->hl
== DRAW_NORMAL_TEXT
)
1555 s
->gc
= s
->face
->gc
;
1556 s
->stippled_p
= s
->face
->stipple
!= 0;
1558 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1560 x_set_mode_line_face_gc (s
);
1561 s
->stippled_p
= s
->face
->stipple
!= 0;
1563 else if (s
->hl
== DRAW_CURSOR
)
1565 x_set_cursor_gc (s
);
1568 else if (s
->hl
== DRAW_MOUSE_FACE
)
1570 x_set_mouse_face_gc (s
);
1571 s
->stippled_p
= s
->face
->stipple
!= 0;
1573 else if (s
->hl
== DRAW_IMAGE_RAISED
1574 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1576 s
->gc
= s
->face
->gc
;
1577 s
->stippled_p
= s
->face
->stipple
!= 0;
1581 s
->gc
= s
->face
->gc
;
1582 s
->stippled_p
= s
->face
->stipple
!= 0;
1585 /* GC must have been set. */
1586 xassert (s
->gc
!= 0);
1590 /* Set clipping for output of glyph string S. S may be part of a mode
1591 line or menu if we don't have X toolkit support. */
1594 x_set_glyph_string_clipping (s
)
1595 struct glyph_string
*s
;
1598 get_glyph_string_clip_rect (s
, &r
);
1599 w32_set_clip_rectangle (s
->hdc
, &r
);
1604 Compute left and right overhang of glyph string S. If S is a glyph
1605 string for a composition, assume overhangs don't exist. */
1608 w32_compute_glyph_string_overhangs (s
)
1609 struct glyph_string
*s
;
1611 /* TODO: Windows does not appear to have a method for
1612 getting this info without getting the ABC widths for each
1613 individual character and working it out manually. */
1618 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1619 struct glyph
*glyph
;
1623 HDC hdc
= get_frame_dc (f
);
1624 /* Convert to unicode! */
1625 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1626 release_frame_dc (f
, hdc
);
1630 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1633 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1634 struct glyph_string
*s
;
1642 /* Take clipping into account. */
1643 if (s
->gc
->clip_mask
== Rect
)
1645 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1646 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1647 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1648 - s
->gc
->clip_rectangle
.left
);
1649 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1650 - s
->gc
->clip_rectangle
.top
);
1653 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1658 /* Draw the background of glyph_string S. If S->background_filled_p
1659 is non-zero don't draw it. FORCE_P non-zero means draw the
1660 background even if it wouldn't be drawn normally. This is used
1661 when a string preceding S draws into the background of S, or S
1662 contains the first component of a composition. */
1665 x_draw_glyph_string_background (s
, force_p
)
1666 struct glyph_string
*s
;
1669 /* Nothing to do if background has already been drawn or if it
1670 shouldn't be drawn in the first place. */
1671 if (!s
->background_filled_p
)
1673 int box_line_width
= max (s
->face
->box_line_width
, 0);
1675 #if 0 /* TODO: stipple */
1678 /* Fill background with a stipple pattern. */
1679 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1680 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1681 s
->y
+ box_line_width
,
1682 s
->background_width
,
1683 s
->height
- 2 * box_line_width
);
1684 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1685 s
->background_filled_p
= 1;
1689 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1690 || s
->font_not_found_p
1691 || s
->extends_to_end_of_line_p
1695 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1696 s
->background_width
,
1697 s
->height
- 2 * box_line_width
);
1698 s
->background_filled_p
= 1;
1704 /* Draw the foreground of glyph string S. */
1707 x_draw_glyph_string_foreground (s
)
1708 struct glyph_string
*s
;
1713 /* If first glyph of S has a left box line, start drawing the text
1714 of S to the right of that box line. */
1715 if (s
->face
->box
!= FACE_NO_BOX
1716 && s
->first_glyph
->left_box_line_p
)
1717 x
= s
->x
+ abs (s
->face
->box_line_width
);
1721 if (s
->for_overlaps
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1722 SetBkMode (s
->hdc
, TRANSPARENT
);
1724 SetBkMode (s
->hdc
, OPAQUE
);
1726 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1727 SetBkColor (s
->hdc
, s
->gc
->background
);
1728 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1730 if (s
->font
&& s
->font
->hfont
)
1731 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1733 /* Draw characters of S as rectangles if S's font could not be
1735 if (s
->font_not_found_p
)
1737 for (i
= 0; i
< s
->nchars
; ++i
)
1739 struct glyph
*g
= s
->first_glyph
+ i
;
1741 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1743 x
+= g
->pixel_width
;
1748 char *char1b
= (char *) s
->char2b
;
1749 int boff
= s
->font_info
->baseline_offset
;
1751 if (s
->font_info
->vertical_centering
)
1752 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1754 /* If we can use 8-bit functions, condense S->char2b. */
1756 for (i
= 0; i
< s
->nchars
; ++i
)
1757 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1759 /* Draw text with TextOut and friends. */
1760 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1762 if (s
->face
->overstrike
)
1764 /* For overstriking (to simulate bold-face), draw the
1765 characters again shifted to the right by one pixel. */
1766 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1769 if (s
->font
&& s
->font
->hfont
)
1770 SelectObject (s
->hdc
, old_font
);
1773 /* Draw the foreground of composite glyph string S. */
1776 x_draw_composite_glyph_string_foreground (s
)
1777 struct glyph_string
*s
;
1782 /* If first glyph of S has a left box line, start drawing the text
1783 of S to the right of that box line. */
1784 if (s
->face
->box
!= FACE_NO_BOX
1785 && s
->first_glyph
->left_box_line_p
)
1786 x
= s
->x
+ abs (s
->face
->box_line_width
);
1790 /* S is a glyph string for a composition. S->gidx is the index of
1791 the first character drawn for glyphs of this composition.
1792 S->gidx == 0 means we are drawing the very first character of
1793 this composition. */
1795 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1796 SetBkColor (s
->hdc
, s
->gc
->background
);
1797 SetBkMode (s
->hdc
, TRANSPARENT
);
1798 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1800 if (s
->font
&& s
->font
->hfont
)
1801 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1803 /* Draw a rectangle for the composition if the font for the very
1804 first character of the composition could not be loaded. */
1805 if (s
->font_not_found_p
)
1808 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1813 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1815 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1816 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1818 if (s
->face
->overstrike
)
1819 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1820 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1825 if (s
->font
&& s
->font
->hfont
)
1826 SelectObject (s
->hdc
, old_font
);
1830 /* Brightness beyond which a color won't have its highlight brightness
1833 Nominally, highlight colors for `3d' faces are calculated by
1834 brightening an object's color by a constant scale factor, but this
1835 doesn't yield good results for dark colors, so for colors who's
1836 brightness is less than this value (on a scale of 0-255) have to
1837 use an additional additive factor.
1839 The value here is set so that the default menu-bar/mode-line color
1840 (grey75) will not have its highlights changed at all. */
1841 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1844 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1845 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1846 If this produces the same color as COLOR, try a color where all RGB
1847 values have DELTA added. Return the allocated color in *COLOR.
1848 DISPLAY is the X display, CMAP is the colormap to operate on.
1849 Value is non-zero if successful. */
1852 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1861 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1864 /* Change RGB values by specified FACTOR. Avoid overflow! */
1865 xassert (factor
>= 0);
1866 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1867 min (0xff, factor
* GetGValue (*color
)),
1868 min (0xff, factor
* GetBValue (*color
)));
1870 /* Calculate brightness of COLOR. */
1871 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1872 + GetBValue (*color
)) / 6;
1874 /* We only boost colors that are darker than
1875 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1876 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1877 /* Make an additive adjustment to NEW, because it's dark enough so
1878 that scaling by FACTOR alone isn't enough. */
1880 /* How far below the limit this color is (0 - 1, 1 being darker). */
1881 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1882 /* The additive adjustment. */
1883 int min_delta
= delta
* dimness
* factor
/ 2;
1886 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1887 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1888 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1890 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1891 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1892 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1896 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1897 max (0, min (0xff, delta
+ GetGValue (*color
))),
1898 max (0, min (0xff, delta
+ GetBValue (*color
))));
1900 /* TODO: Map to palette and retry with delta if same? */
1901 /* TODO: Free colors (if using palette)? */
1912 /* Set up the foreground color for drawing relief lines of glyph
1913 string S. RELIEF is a pointer to a struct relief containing the GC
1914 with which lines will be drawn. Use a color that is FACTOR or
1915 DELTA lighter or darker than the relief's background which is found
1916 in S->f->output_data.x->relief_background. If such a color cannot
1917 be allocated, use DEFAULT_PIXEL, instead. */
1920 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1922 struct relief
*relief
;
1925 COLORREF default_pixel
;
1928 struct w32_output
*di
= f
->output_data
.w32
;
1929 unsigned long mask
= GCForeground
;
1931 COLORREF background
= di
->relief_background
;
1932 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1934 /* TODO: Free colors (if using palette)? */
1936 /* Allocate new color. */
1937 xgcv
.foreground
= default_pixel
;
1939 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1941 relief
->allocated_p
= 1;
1942 xgcv
.foreground
= relief
->pixel
= pixel
;
1945 if (relief
->gc
== 0)
1947 #if 0 /* TODO: stipple */
1948 xgcv
.stipple
= dpyinfo
->gray
;
1951 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1954 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1958 /* Set up colors for the relief lines around glyph string S. */
1961 x_setup_relief_colors (s
)
1962 struct glyph_string
*s
;
1964 struct w32_output
*di
= s
->f
->output_data
.w32
;
1967 if (s
->face
->use_box_color_for_shadows_p
)
1968 color
= s
->face
->box_color
;
1969 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1971 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1972 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1974 color
= s
->gc
->background
;
1976 if (di
->white_relief
.gc
== 0
1977 || color
!= di
->relief_background
)
1979 di
->relief_background
= color
;
1980 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1981 WHITE_PIX_DEFAULT (s
->f
));
1982 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1983 BLACK_PIX_DEFAULT (s
->f
));
1988 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1989 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1990 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1991 relief. LEFT_P non-zero means draw a relief on the left side of
1992 the rectangle. RIGHT_P non-zero means draw a relief on the right
1993 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1997 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1998 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
2000 int left_x
, top_y
, right_x
, bottom_y
, width
;
2001 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
2006 HDC hdc
= get_frame_dc (f
);
2009 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
2011 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
2013 w32_set_clip_rectangle (hdc
, clip_rect
);
2017 for (i
= 0; i
< width
; ++i
)
2018 w32_fill_area (f
, hdc
, gc
.foreground
,
2019 left_x
+ i
* left_p
, top_y
+ i
,
2020 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
2024 for (i
= 0; i
< width
; ++i
)
2025 w32_fill_area (f
, hdc
, gc
.foreground
,
2026 left_x
+ i
, top_y
+ i
, 1,
2027 bottom_y
- top_y
- 2 * i
+ 1);
2030 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
2032 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
2036 for (i
= 0; i
< width
; ++i
)
2037 w32_fill_area (f
, hdc
, gc
.foreground
,
2038 left_x
+ i
* left_p
, bottom_y
- i
,
2039 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
2043 for (i
= 0; i
< width
; ++i
)
2044 w32_fill_area (f
, hdc
, gc
.foreground
,
2045 right_x
- i
, top_y
+ i
+ 1, 1,
2046 bottom_y
- top_y
- 2 * i
- 1);
2048 w32_set_clip_rectangle (hdc
, NULL
);
2050 release_frame_dc (f
, hdc
);
2054 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
2055 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
2056 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
2057 left side of the rectangle. RIGHT_P non-zero means draw a line
2058 on the right side of the rectangle. CLIP_RECT is the clipping
2059 rectangle to use when drawing. */
2062 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2063 left_p
, right_p
, clip_rect
)
2064 struct glyph_string
*s
;
2065 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
2068 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
2071 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2072 left_x
, top_y
, right_x
- left_x
+ 1, width
);
2077 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2078 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
2082 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2083 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
2088 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2089 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
2092 w32_set_clip_rectangle (s
->hdc
, NULL
);
2096 /* Draw a box around glyph string S. */
2099 x_draw_glyph_string_box (s
)
2100 struct glyph_string
*s
;
2102 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
2103 int left_p
, right_p
;
2104 struct glyph
*last_glyph
;
2107 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
2108 ? WINDOW_RIGHT_EDGE_X (s
->w
)
2109 : window_box_right (s
->w
, s
->area
));
2111 /* The glyph that may have a right box line. */
2112 last_glyph
= (s
->cmp
|| s
->img
2114 : s
->first_glyph
+ s
->nchars
- 1);
2116 width
= abs (s
->face
->box_line_width
);
2117 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
2119 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
2121 : min (last_x
, s
->x
+ s
->background_width
) - 1));
2123 bottom_y
= top_y
+ s
->height
- 1;
2125 left_p
= (s
->first_glyph
->left_box_line_p
2126 || (s
->hl
== DRAW_MOUSE_FACE
2128 || s
->prev
->hl
!= s
->hl
)));
2129 right_p
= (last_glyph
->right_box_line_p
2130 || (s
->hl
== DRAW_MOUSE_FACE
2132 || s
->next
->hl
!= s
->hl
)));
2134 get_glyph_string_clip_rect (s
, &clip_rect
);
2136 if (s
->face
->box
== FACE_SIMPLE_BOX
)
2137 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2138 left_p
, right_p
, &clip_rect
);
2141 x_setup_relief_colors (s
);
2142 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
2143 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
2148 /* Draw foreground of image glyph string S. */
2151 x_draw_image_foreground (s
)
2152 struct glyph_string
*s
;
2155 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2157 /* If first glyph of S has a left box line, start drawing it to the
2158 right of that line. */
2159 if (s
->face
->box
!= FACE_NO_BOX
2160 && s
->first_glyph
->left_box_line_p
2162 x
+= abs (s
->face
->box_line_width
);
2164 /* If there is a margin around the image, adjust x- and y-position
2166 if (s
->slice
.x
== 0)
2167 x
+= s
->img
->hmargin
;
2168 if (s
->slice
.y
== 0)
2169 y
+= s
->img
->vmargin
;
2175 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2176 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2177 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2178 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2179 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2180 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2181 x_set_glyph_string_clipping (s
);
2185 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2186 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2188 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2189 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2191 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2192 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2193 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2194 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2195 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2196 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2198 SelectObject (mask_dc
, mask_orig_obj
);
2203 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2204 SetBkColor (s
->hdc
, s
->gc
->background
);
2206 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2207 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2209 /* When the image has a mask, we can expect that at
2210 least part of a mouse highlight or a block cursor will
2211 be visible. If the image doesn't have a mask, make
2212 a block cursor visible by drawing a rectangle around
2213 the image. I believe it's looking better if we do
2214 nothing here for mouse-face. */
2215 if (s
->hl
== DRAW_CURSOR
)
2217 int r
= s
->img
->relief
;
2219 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2220 s
->slice
.width
+ r
*2 - 1,
2221 s
->slice
.height
+ r
*2 - 1);
2225 w32_set_clip_rectangle (s
->hdc
, NULL
);
2226 SelectObject (s
->hdc
, orig_brush
);
2227 DeleteObject (fg_brush
);
2228 SelectObject (compat_hdc
, orig_obj
);
2229 DeleteDC (compat_hdc
);
2232 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2233 s
->slice
.width
- 1, s
->slice
.height
- 1);
2235 RestoreDC (s
->hdc
,-1);
2239 /* Draw a relief around the image glyph string S. */
2242 x_draw_image_relief (s
)
2243 struct glyph_string
*s
;
2245 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2248 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2250 /* If first glyph of S has a left box line, start drawing it to the
2251 right of that line. */
2252 if (s
->face
->box
!= FACE_NO_BOX
2253 && s
->first_glyph
->left_box_line_p
2255 x
+= abs (s
->face
->box_line_width
);
2257 /* If there is a margin around the image, adjust x- and y-position
2259 if (s
->slice
.x
== 0)
2260 x
+= s
->img
->hmargin
;
2261 if (s
->slice
.y
== 0)
2262 y
+= s
->img
->vmargin
;
2264 if (s
->hl
== DRAW_IMAGE_SUNKEN
2265 || s
->hl
== DRAW_IMAGE_RAISED
)
2267 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2268 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2272 thick
= abs (s
->img
->relief
);
2273 raised_p
= s
->img
->relief
> 0;
2278 x1
= x
+ s
->slice
.width
+ thick
- 1;
2279 y1
= y
+ s
->slice
.height
+ thick
- 1;
2281 x_setup_relief_colors (s
);
2282 get_glyph_string_clip_rect (s
, &r
);
2283 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2285 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2287 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2292 /* Draw the foreground of image glyph string S to PIXMAP. */
2295 w32_draw_image_foreground_1 (s
, pixmap
)
2296 struct glyph_string
*s
;
2299 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2300 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2302 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2304 /* If first glyph of S has a left box line, start drawing it to the
2305 right of that line. */
2306 if (s
->face
->box
!= FACE_NO_BOX
2307 && s
->first_glyph
->left_box_line_p
2309 x
+= abs (s
->face
->box_line_width
);
2311 /* If there is a margin around the image, adjust x- and y-position
2313 if (s
->slice
.x
== 0)
2314 x
+= s
->img
->hmargin
;
2315 if (s
->slice
.y
== 0)
2316 y
+= s
->img
->vmargin
;
2320 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2321 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2322 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2323 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2327 HDC mask_dc
= CreateCompatibleDC (hdc
);
2328 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2330 SetTextColor (hdc
, RGB (0, 0, 0));
2331 SetBkColor (hdc
, RGB (255, 255, 255));
2332 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2333 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2334 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2335 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2336 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2337 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2339 SelectObject (mask_dc
, mask_orig_obj
);
2344 SetTextColor (hdc
, s
->gc
->foreground
);
2345 SetBkColor (hdc
, s
->gc
->background
);
2347 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2348 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2350 /* When the image has a mask, we can expect that at
2351 least part of a mouse highlight or a block cursor will
2352 be visible. If the image doesn't have a mask, make
2353 a block cursor visible by drawing a rectangle around
2354 the image. I believe it's looking better if we do
2355 nothing here for mouse-face. */
2356 if (s
->hl
== DRAW_CURSOR
)
2358 int r
= s
->img
->relief
;
2360 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2361 s
->slice
.width
+ r
*2 - 1,
2362 s
->slice
.height
+ r
*2 - 1);
2366 SelectObject (hdc
, orig_brush
);
2367 DeleteObject (fg_brush
);
2368 SelectObject (compat_hdc
, orig_obj
);
2369 DeleteDC (compat_hdc
);
2372 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2373 s
->slice
.width
- 1, s
->slice
.height
- 1);
2375 SelectObject (hdc
, orig_hdc_obj
);
2380 /* Draw part of the background of glyph string S. X, Y, W, and H
2381 give the rectangle to draw. */
2384 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2385 struct glyph_string
*s
;
2388 #if 0 /* TODO: stipple */
2391 /* Fill background with a stipple pattern. */
2392 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2393 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2394 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2398 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2402 /* Draw image glyph string S.
2405 s->x +-------------------------
2408 | +-------------------------
2411 | | +-------------------
2417 x_draw_image_glyph_string (s
)
2418 struct glyph_string
*s
;
2421 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2422 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2426 height
= s
->height
- 2 * box_line_vwidth
;
2428 /* Fill background with face under the image. Do it only if row is
2429 taller than image or if image has a clip mask to reduce
2431 s
->stippled_p
= s
->face
->stipple
!= 0;
2432 if (height
> s
->slice
.height
2436 || s
->img
->pixmap
== 0
2437 || s
->width
!= s
->background_width
)
2440 if (s
->first_glyph
->left_box_line_p
2442 x
+= box_line_hwidth
;
2445 if (s
->slice
.y
== 0)
2446 y
+= box_line_vwidth
;
2448 #if 0 /* TODO: figure out if we need to do this on Windows. */
2451 /* Create a pixmap as large as the glyph string. Fill it
2452 with the background color. Copy the image to it, using
2453 its mask. Copy the temporary pixmap to the display. */
2454 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2455 int depth
= DefaultDepthOfScreen (screen
);
2457 /* Create a pixmap as large as the glyph string. */
2458 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2459 s
->background_width
,
2462 /* Don't clip in the following because we're working on the
2464 XSetClipMask (s
->display
, s
->gc
, None
);
2466 /* Fill the pixmap with the background color/stipple. */
2469 /* Fill background with a stipple pattern. */
2470 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2471 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2472 0, 0, s
->background_width
, s
->height
);
2473 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2478 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2480 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2481 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2482 0, 0, s
->background_width
, s
->height
);
2483 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2488 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2490 s
->background_filled_p
= 1;
2493 /* Draw the foreground. */
2496 w32_draw_image_foreground_1 (s
, pixmap
);
2497 x_set_glyph_string_clipping (s
);
2499 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2500 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2501 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2502 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2504 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2505 SetBkColor (s
->hdc
, s
->gc
->background
);
2506 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2507 compat_hdc
, 0, 0, SRCCOPY
);
2509 SelectObject (s
->hdc
, orig_brush
);
2510 DeleteObject (fg_brush
);
2511 SelectObject (compat_hdc
, orig_obj
);
2512 DeleteDC (compat_hdc
);
2514 DeleteObject (pixmap
);
2518 x_draw_image_foreground (s
);
2520 /* If we must draw a relief around the image, do it. */
2522 || s
->hl
== DRAW_IMAGE_RAISED
2523 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2524 x_draw_image_relief (s
);
2528 /* Draw stretch glyph string S. */
2531 x_draw_stretch_glyph_string (s
)
2532 struct glyph_string
*s
;
2534 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2535 s
->stippled_p
= s
->face
->stipple
!= 0;
2537 if (s
->hl
== DRAW_CURSOR
2538 && !x_stretch_cursor_p
)
2540 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2541 as wide as the stretch glyph. */
2542 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2545 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2547 /* Clear rest using the GC of the original non-cursor face. */
2548 if (width
< s
->background_width
)
2550 XGCValues
*gc
= s
->face
->gc
;
2551 int x
= s
->x
+ width
, y
= s
->y
;
2552 int w
= s
->background_width
- width
, h
= s
->height
;
2556 if (s
->row
->mouse_face_p
2557 && cursor_in_mouse_face_p (s
->w
))
2559 x_set_mouse_face_gc (s
);
2565 get_glyph_string_clip_rect (s
, &r
);
2566 w32_set_clip_rectangle (hdc
, &r
);
2568 #if 0 /* TODO: stipple */
2569 if (s
->face
->stipple
)
2571 /* Fill background with a stipple pattern. */
2572 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2573 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2574 XSetFillStyle (s
->display
, gc
, FillSolid
);
2579 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2583 else if (!s
->background_filled_p
)
2584 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2587 s
->background_filled_p
= 1;
2591 /* Draw glyph string S. */
2594 x_draw_glyph_string (s
)
2595 struct glyph_string
*s
;
2597 int relief_drawn_p
= 0;
2599 /* If S draws into the background of its successor, draw the
2600 background of the successor first so that S can draw into it.
2601 This makes S->next use XDrawString instead of XDrawImageString. */
2602 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2604 xassert (s
->next
->img
== NULL
);
2605 x_set_glyph_string_gc (s
->next
);
2606 x_set_glyph_string_clipping (s
->next
);
2607 x_draw_glyph_string_background (s
->next
, 1);
2610 /* Set up S->gc, set clipping and draw S. */
2611 x_set_glyph_string_gc (s
);
2613 /* Draw relief (if any) in advance for char/composition so that the
2614 glyph string can be drawn over it. */
2615 if (!s
->for_overlaps
2616 && s
->face
->box
!= FACE_NO_BOX
2617 && (s
->first_glyph
->type
== CHAR_GLYPH
2618 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2621 x_set_glyph_string_clipping (s
);
2622 x_draw_glyph_string_background (s
, 1);
2623 x_draw_glyph_string_box (s
);
2624 x_set_glyph_string_clipping (s
);
2628 x_set_glyph_string_clipping (s
);
2630 switch (s
->first_glyph
->type
)
2633 x_draw_image_glyph_string (s
);
2637 x_draw_stretch_glyph_string (s
);
2641 if (s
->for_overlaps
)
2642 s
->background_filled_p
= 1;
2644 x_draw_glyph_string_background (s
, 0);
2645 x_draw_glyph_string_foreground (s
);
2648 case COMPOSITE_GLYPH
:
2649 if (s
->for_overlaps
|| s
->gidx
> 0)
2650 s
->background_filled_p
= 1;
2652 x_draw_glyph_string_background (s
, 1);
2653 x_draw_composite_glyph_string_foreground (s
);
2660 if (!s
->for_overlaps
)
2662 /* Draw underline. */
2663 if (s
->face
->underline_p
2664 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2666 unsigned long h
= 1;
2667 unsigned long dy
= s
->height
- h
;
2669 /* TODO: Use font information for positioning and thickness
2670 of underline. See OUTLINETEXTMETRIC, and xterm.c.
2671 Note: If you make this work, don't forget to change the
2672 doc string of x-use-underline-position-properties below. */
2673 if (s
->face
->underline_defaulted_p
)
2675 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2676 s
->y
+ dy
, s
->width
, 1);
2680 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2681 s
->y
+ dy
, s
->width
, 1);
2685 /* Draw overline. */
2686 if (s
->face
->overline_p
)
2688 unsigned long dy
= 0, h
= 1;
2690 if (s
->face
->overline_color_defaulted_p
)
2692 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2693 s
->y
+ dy
, s
->width
, h
);
2697 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2698 s
->y
+ dy
, s
->width
, h
);
2702 /* Draw strike-through. */
2703 if (s
->face
->strike_through_p
2704 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2706 unsigned long h
= 1;
2707 unsigned long dy
= (s
->height
- h
) / 2;
2709 if (s
->face
->strike_through_color_defaulted_p
)
2711 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2716 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2717 s
->y
+ dy
, s
->width
, h
);
2722 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2723 x_draw_glyph_string_box (s
);
2726 /* Reset clipping. */
2727 w32_set_clip_rectangle (s
->hdc
, NULL
);
2731 /* Shift display to make room for inserted glyphs. */
2734 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2736 int x
, y
, width
, height
, shift_by
;
2740 hdc
= get_frame_dc (f
);
2741 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2742 hdc
, x
, y
, SRCCOPY
);
2744 release_frame_dc (f
, hdc
);
2748 /* Delete N glyphs at the nominal cursor position. Not implemented
2760 f
= SELECTED_FRAME ();
2762 if (! FRAME_W32_P (f
))
2769 /* Clear entire frame. If updating_frame is non-null, clear that
2770 frame. Otherwise clear the selected frame. */
2780 f
= SELECTED_FRAME ();
2782 if (! FRAME_W32_P (f
))
2785 /* Clearing the frame will erase any cursor, so mark them all as no
2787 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2788 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2789 output_cursor
.x
= -1;
2791 /* We don't set the output cursor here because there will always
2792 follow an explicit cursor_to. */
2795 w32_clear_window (f
);
2797 /* We have to clear the scroll bars, too. If we have changed
2798 colors or something like that, then they should be notified. */
2799 x_scroll_bar_clear (f
);
2805 /* Make audible bell. */
2808 w32_ring_bell (void)
2812 f
= SELECTED_FRAME ();
2816 if (FRAME_W32_P (f
) && visible_bell
)
2819 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2821 for (i
= 0; i
< 5; i
++)
2823 FlashWindow (hwnd
, TRUE
);
2826 FlashWindow (hwnd
, FALSE
);
2829 w32_sys_ring_bell ();
2835 /* Specify how many text lines, from the top of the window,
2836 should be affected by insert-lines and delete-lines operations.
2837 This, and those operations, are used only within an update
2838 that is bounded by calls to x_update_begin and x_update_end. */
2841 w32_set_terminal_window (n
)
2844 /* This function intentionally left blank. */
2848 /***********************************************************************
2850 ***********************************************************************/
2852 /* Perform an insert-lines or delete-lines operation, inserting N
2853 lines or deleting -N lines at vertical position VPOS. */
2856 x_ins_del_lines (vpos
, n
)
2864 f
= SELECTED_FRAME ();
2866 if (! FRAME_W32_P (f
))
2873 /* Scroll part of the display as described by RUN. */
2876 x_scroll_run (w
, run
)
2880 struct frame
*f
= XFRAME (w
->frame
);
2881 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2882 HWND hwnd
= FRAME_W32_WINDOW (f
);
2885 /* Get frame-relative bounding box of the text display area of W,
2886 without mode lines. Include in this box the left and right
2888 window_box (w
, -1, &x
, &y
, &width
, &height
);
2890 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2891 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2892 bottom_y
= y
+ height
;
2896 /* Scrolling up. Make sure we don't copy part of the mode
2897 line at the bottom. */
2898 if (from_y
+ run
->height
> bottom_y
)
2899 height
= bottom_y
- from_y
;
2901 height
= run
->height
;
2902 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2906 /* Scolling down. Make sure we don't copy over the mode line.
2908 if (to_y
+ run
->height
> bottom_y
)
2909 height
= bottom_y
- to_y
;
2911 height
= run
->height
;
2912 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2917 /* Cursor off. Will be switched on again in x_update_window_end. */
2924 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2925 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2927 from
.left
= to
.left
= x
;
2928 from
.right
= to
.right
= x
+ width
;
2930 from
.bottom
= from_y
+ height
;
2932 to
.bottom
= bottom_y
;
2934 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2935 NULL
, SW_INVALIDATE
);
2937 /* Combine this with what we expect to be dirty. This covers the
2938 case where not all of the region we expect is actually dirty. */
2939 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2941 /* If the dirty region is not what we expected, redraw the entire frame. */
2942 if (!EqualRgn (combined
, expect_dirty
))
2943 SET_FRAME_GARBAGED (f
);
2945 DeleteObject (dirty
);
2946 DeleteObject (combined
);
2950 DeleteObject (expect_dirty
);
2955 /***********************************************************************
2957 ***********************************************************************/
2963 x_update_cursor (f
, 1);
2967 frame_unhighlight (f
)
2970 x_update_cursor (f
, 1);
2973 /* The focus has changed. Update the frames as necessary to reflect
2974 the new situation. Note that we can't change the selected frame
2975 here, because the Lisp code we are interrupting might become confused.
2976 Each event gets marked with the frame in which it occurred, so the
2977 Lisp code can tell when the switch took place by examining the events. */
2980 x_new_focus_frame (dpyinfo
, frame
)
2981 struct w32_display_info
*dpyinfo
;
2982 struct frame
*frame
;
2984 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2986 if (frame
!= dpyinfo
->w32_focus_frame
)
2988 /* Set this before calling other routines, so that they see
2989 the correct value of w32_focus_frame. */
2990 dpyinfo
->w32_focus_frame
= frame
;
2992 if (old_focus
&& old_focus
->auto_lower
)
2993 x_lower_frame (old_focus
);
2995 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2996 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2998 pending_autoraise_frame
= 0;
3001 x_frame_rehighlight (dpyinfo
);
3005 /* Handle FocusIn and FocusOut state changes for FRAME.
3006 If FRAME has focus and there exists more than one frame, puts
3007 a FOCUS_IN_EVENT into *BUFP. */
3010 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
3013 struct w32_display_info
*dpyinfo
;
3014 struct frame
*frame
;
3015 struct input_event
*bufp
;
3017 if (type
== WM_SETFOCUS
)
3019 if (dpyinfo
->w32_focus_event_frame
!= frame
)
3021 x_new_focus_frame (dpyinfo
, frame
);
3022 dpyinfo
->w32_focus_event_frame
= frame
;
3024 /* Don't stop displaying the initial startup message
3025 for a switch-frame event we don't need. */
3026 if (GC_NILP (Vterminal_frame
)
3027 && GC_CONSP (Vframe_list
)
3028 && !GC_NILP (XCDR (Vframe_list
)))
3030 bufp
->kind
= FOCUS_IN_EVENT
;
3031 XSETFRAME (bufp
->frame_or_window
, frame
);
3035 frame
->output_data
.x
->focus_state
|= state
;
3037 /* TODO: IME focus? */
3039 else if (type
== WM_KILLFOCUS
)
3041 frame
->output_data
.x
->focus_state
&= ~state
;
3043 if (dpyinfo
->w32_focus_event_frame
== frame
)
3045 dpyinfo
->w32_focus_event_frame
= 0;
3046 x_new_focus_frame (dpyinfo
, 0);
3049 /* TODO: IME focus? */
3054 /* The focus may have changed. Figure out if it is a real focus change,
3055 by checking both FocusIn/Out and Enter/LeaveNotify events.
3057 Returns FOCUS_IN_EVENT event in *BUFP. */
3060 w32_detect_focus_change (dpyinfo
, event
, bufp
)
3061 struct w32_display_info
*dpyinfo
;
3063 struct input_event
*bufp
;
3065 struct frame
*frame
;
3067 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
3071 /* On w32, this is only called from focus events, so no switch needed. */
3072 x_focus_changed (event
->msg
.message
,
3073 (event
->msg
.message
== WM_KILLFOCUS
?
3074 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
3075 dpyinfo
, frame
, bufp
);
3079 /* Handle an event saying the mouse has moved out of an Emacs frame. */
3082 x_mouse_leave (dpyinfo
)
3083 struct w32_display_info
*dpyinfo
;
3085 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
3088 /* The focus has changed, or we have redirected a frame's focus to
3089 another frame (this happens when a frame uses a surrogate
3090 mini-buffer frame). Shift the highlight as appropriate.
3092 The FRAME argument doesn't necessarily have anything to do with which
3093 frame is being highlighted or un-highlighted; we only use it to find
3094 the appropriate X display info. */
3097 w32_frame_rehighlight (frame
)
3098 struct frame
*frame
;
3100 if (! FRAME_W32_P (frame
))
3102 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
3106 x_frame_rehighlight (dpyinfo
)
3107 struct w32_display_info
*dpyinfo
;
3109 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
3111 if (dpyinfo
->w32_focus_frame
)
3113 dpyinfo
->x_highlight_frame
3114 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
3115 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
3116 : dpyinfo
->w32_focus_frame
);
3117 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
3119 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
3120 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
3124 dpyinfo
->x_highlight_frame
= 0;
3126 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3129 frame_unhighlight (old_highlight
);
3130 if (dpyinfo
->x_highlight_frame
)
3131 frame_highlight (dpyinfo
->x_highlight_frame
);
3135 /* Keyboard processing - modifier keys, etc. */
3137 /* Convert a keysym to its name. */
3140 x_get_keysym_name (keysym
)
3143 /* Make static so we can always return it */
3144 static char value
[100];
3147 GetKeyNameText (keysym
, value
, 100);
3155 /* Mouse clicks and mouse movement. Rah. */
3157 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3158 the state in PUP. XBUTTON provides extra information for extended mouse
3159 button messages. Returns FALSE if unable to parse the message. */
3161 parse_button (message
, xbutton
, pbutton
, pup
)
3172 case WM_LBUTTONDOWN
:
3180 case WM_MBUTTONDOWN
:
3181 if (NILP (Vw32_swap_mouse_buttons
))
3188 if (NILP (Vw32_swap_mouse_buttons
))
3194 case WM_RBUTTONDOWN
:
3195 if (NILP (Vw32_swap_mouse_buttons
))
3202 if (NILP (Vw32_swap_mouse_buttons
))
3208 case WM_XBUTTONDOWN
:
3209 button
= xbutton
+ 2;
3213 button
= xbutton
+ 2;
3221 if (pbutton
) *pbutton
= button
;
3227 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3229 If the event is a button press, then note that we have grabbed
3233 construct_mouse_click (result
, msg
, f
)
3234 struct input_event
*result
;
3241 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3244 /* Make the event type NO_EVENT; we'll change that when we decide
3246 result
->kind
= MOUSE_CLICK_EVENT
;
3247 result
->code
= button
;
3248 result
->timestamp
= msg
->msg
.time
;
3249 result
->modifiers
= (msg
->dwModifiers
3254 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3255 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3256 XSETFRAME (result
->frame_or_window
, f
);
3262 construct_mouse_wheel (result
, msg
, f
)
3263 struct input_event
*result
;
3270 result
->kind
= WHEEL_EVENT
;
3272 result
->timestamp
= msg
->msg
.time
;
3274 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3275 forward, away from the user (up); a negative value indicates that
3276 the wheel was rotated backward, toward the user (down). */
3277 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3279 /* The up and down modifiers indicate if the wheel was rotated up or
3280 down based on WHEEL_DELTA value. */
3281 result
->modifiers
= (msg
->dwModifiers
3282 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3284 p
.x
= LOWORD (msg
->msg
.lParam
);
3285 p
.y
= HIWORD (msg
->msg
.lParam
);
3286 ScreenToClient (msg
->msg
.hwnd
, &p
);
3287 XSETINT (result
->x
, p
.x
);
3288 XSETINT (result
->y
, p
.y
);
3289 XSETFRAME (result
->frame_or_window
, f
);
3295 construct_drag_n_drop (result
, msg
, f
)
3296 struct input_event
*result
;
3308 result
->kind
= DRAG_N_DROP_EVENT
;
3310 result
->timestamp
= msg
->msg
.time
;
3311 result
->modifiers
= msg
->dwModifiers
;
3313 hdrop
= (HDROP
) msg
->msg
.wParam
;
3314 DragQueryPoint (hdrop
, &p
);
3317 p
.x
= LOWORD (msg
->msg
.lParam
);
3318 p
.y
= HIWORD (msg
->msg
.lParam
);
3319 ScreenToClient (msg
->msg
.hwnd
, &p
);
3322 XSETINT (result
->x
, p
.x
);
3323 XSETINT (result
->y
, p
.y
);
3325 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3328 for (i
= 0; i
< num_files
; i
++)
3330 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3333 name
= alloca (len
+ 1);
3334 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3335 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3340 XSETFRAME (frame
, f
);
3341 result
->frame_or_window
= Fcons (frame
, files
);
3347 /* Function to report a mouse movement to the mainstream Emacs code.
3348 The input handler calls this.
3350 We have received a mouse movement event, which is given in *event.
3351 If the mouse is over a different glyph than it was last time, tell
3352 the mainstream emacs code by setting mouse_moved. If not, ask for
3353 another motion event, so we can check again the next time it moves. */
3355 static MSG last_mouse_motion_event
;
3356 static Lisp_Object last_mouse_motion_frame
;
3359 note_mouse_movement (frame
, msg
)
3363 int mouse_x
= LOWORD (msg
->lParam
);
3364 int mouse_y
= HIWORD (msg
->lParam
);
3366 last_mouse_movement_time
= msg
->time
;
3367 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3368 XSETFRAME (last_mouse_motion_frame
, frame
);
3370 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3372 frame
->mouse_moved
= 1;
3373 last_mouse_scroll_bar
= Qnil
;
3374 note_mouse_highlight (frame
, -1, -1);
3378 /* Has the mouse moved off the glyph it was on at the last sighting? */
3379 if (mouse_x
< last_mouse_glyph
.left
3380 || mouse_x
>= last_mouse_glyph
.right
3381 || mouse_y
< last_mouse_glyph
.top
3382 || mouse_y
>= last_mouse_glyph
.bottom
)
3384 frame
->mouse_moved
= 1;
3385 last_mouse_scroll_bar
= Qnil
;
3386 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3387 /* Remember the mouse position here, as w32_mouse_position only
3388 gets called when mouse tracking is enabled but we also need
3389 to keep track of the mouse for help_echo and highlighting at
3391 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3399 /************************************************************************
3401 ************************************************************************/
3403 static struct scroll_bar
*x_window_to_scroll_bar ();
3404 static void x_scroll_bar_report_motion ();
3405 static void x_check_fullscreen
P_ ((struct frame
*));
3408 redo_mouse_highlight ()
3410 if (!NILP (last_mouse_motion_frame
)
3411 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3412 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3413 LOWORD (last_mouse_motion_event
.lParam
),
3414 HIWORD (last_mouse_motion_event
.lParam
));
3418 w32_define_cursor (window
, cursor
)
3422 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3424 /* Return the current position of the mouse.
3425 *fp should be a frame which indicates which display to ask about.
3427 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3428 and *part to the frame, window, and scroll bar part that the mouse
3429 is over. Set *x and *y to the portion and whole of the mouse's
3430 position on the scroll bar.
3432 If the mouse movement started elsewhere, set *fp to the frame the
3433 mouse is on, *bar_window to nil, and *x and *y to the character cell
3436 Set *time to the server time-stamp for the time at which the mouse
3437 was at this position.
3439 Don't store anything if we don't have a valid set of values to report.
3441 This clears the mouse_moved flag, so we can wait for the next mouse
3445 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3448 Lisp_Object
*bar_window
;
3449 enum scroll_bar_part
*part
;
3451 unsigned long *time
;
3457 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3458 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3463 Lisp_Object frame
, tail
;
3465 /* Clear the mouse-moved flag for every frame on this display. */
3466 FOR_EACH_FRAME (tail
, frame
)
3467 XFRAME (frame
)->mouse_moved
= 0;
3469 last_mouse_scroll_bar
= Qnil
;
3473 /* Now we have a position on the root; find the innermost window
3474 containing the pointer. */
3476 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3477 && FRAME_LIVE_P (last_mouse_frame
))
3479 /* If mouse was grabbed on a frame, give coords for that frame
3480 even if the mouse is now outside it. */
3481 f1
= last_mouse_frame
;
3485 /* Is window under mouse one of our frames? */
3486 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3487 WindowFromPoint (pt
));
3490 /* If not, is it one of our scroll bars? */
3493 struct scroll_bar
*bar
3494 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3498 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3502 if (f1
== 0 && insist
> 0)
3503 f1
= SELECTED_FRAME ();
3507 /* Ok, we found a frame. Store all the values.
3508 last_mouse_glyph is a rectangle used to reduce the
3509 generation of mouse events. To not miss any motion
3510 events, we must divide the frame into rectangles of the
3511 size of the smallest character that could be displayed
3512 on it, i.e. into the same rectangles that matrices on
3513 the frame are divided into. */
3515 #if OLD_REDISPLAY_CODE
3516 int ignore1
, ignore2
;
3518 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3520 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3522 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3525 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3526 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3534 *time
= last_mouse_movement_time
;
3543 /***********************************************************************
3545 ***********************************************************************/
3547 /* Handle mouse button event on the tool-bar of frame F, at
3548 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3552 w32_handle_tool_bar_click (f
, button_event
)
3554 struct input_event
*button_event
;
3556 int x
= XFASTINT (button_event
->x
);
3557 int y
= XFASTINT (button_event
->y
);
3559 if (button_event
->modifiers
& down_modifier
)
3560 handle_tool_bar_click (f
, x
, y
, 1, 0);
3562 handle_tool_bar_click (f
, x
, y
, 0,
3563 button_event
->modifiers
& ~up_modifier
);
3568 /***********************************************************************
3570 ***********************************************************************/
3572 /* Scroll bar support. */
3574 /* Given a window ID, find the struct scroll_bar which manages it.
3575 This can be called in GC, so we have to make sure to strip off mark
3578 static struct scroll_bar
*
3579 x_window_to_scroll_bar (window_id
)
3584 for (tail
= Vframe_list
;
3585 XGCTYPE (tail
) == Lisp_Cons
;
3588 Lisp_Object frame
, bar
, condemned
;
3590 frame
= XCAR (tail
);
3591 /* All elements of Vframe_list should be frames. */
3592 if (! GC_FRAMEP (frame
))
3595 /* Scan this frame's scroll bar list for a scroll bar with the
3597 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3598 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3599 /* This trick allows us to search both the ordinary and
3600 condemned scroll bar lists with one loop. */
3601 ! GC_NILP (bar
) || (bar
= condemned
,
3604 bar
= XSCROLL_BAR (bar
)->next
)
3605 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3606 return XSCROLL_BAR (bar
);
3614 /* Set the thumb size and position of scroll bar BAR. We are currently
3615 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3618 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3619 struct scroll_bar
*bar
;
3620 int portion
, position
, whole
;
3622 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3623 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3624 int sb_page
, sb_pos
;
3625 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3629 /* Position scroll bar at rock bottom if the bottom of the
3630 buffer is visible. This avoids shinking the thumb away
3631 to nothing if it is held at the bottom of the buffer. */
3632 if (position
+ portion
>= whole
)
3634 sb_page
= range
* (whole
- position
) / whole
3635 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3639 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3640 sb_pos
= position
* range
/ whole
;
3650 if (pfnSetScrollInfo
)
3654 si
.cbSize
= sizeof (si
);
3655 /* Only update page size if currently dragging, to reduce
3658 si
.fMask
= SIF_PAGE
;
3660 si
.fMask
= SIF_PAGE
| SIF_POS
;
3664 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3667 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3673 /************************************************************************
3674 Scroll bars, general
3675 ************************************************************************/
3678 my_create_scrollbar (f
, bar
)
3680 struct scroll_bar
* bar
;
3682 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3683 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3687 /*#define ATTACH_THREADS*/
3690 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3692 #ifndef ATTACH_THREADS
3693 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3694 (WPARAM
) hwnd
, (LPARAM
) how
);
3696 return ShowWindow (hwnd
, how
);
3701 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3702 int x
, int y
, int cx
, int cy
, UINT flags
)
3704 #ifndef ATTACH_THREADS
3706 pos
.hwndInsertAfter
= hwndAfter
;
3712 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3714 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3719 my_set_focus (f
, hwnd
)
3723 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3728 my_set_foreground_window (hwnd
)
3731 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3736 my_destroy_window (f
, hwnd
)
3740 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3744 /* Create a scroll bar and return the scroll bar vector for it. W is
3745 the Emacs window on which to create the scroll bar. TOP, LEFT,
3746 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3749 static struct scroll_bar
*
3750 x_scroll_bar_create (w
, top
, left
, width
, height
)
3752 int top
, left
, width
, height
;
3754 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3756 struct scroll_bar
*bar
3757 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3761 XSETWINDOW (bar
->window
, w
);
3762 XSETINT (bar
->top
, top
);
3763 XSETINT (bar
->left
, left
);
3764 XSETINT (bar
->width
, width
);
3765 XSETINT (bar
->height
, height
);
3766 XSETINT (bar
->start
, 0);
3767 XSETINT (bar
->end
, 0);
3768 bar
->dragging
= Qnil
;
3770 /* Requires geometry to be set before call to create the real window */
3772 hwnd
= my_create_scrollbar (f
, bar
);
3774 if (pfnSetScrollInfo
)
3778 si
.cbSize
= sizeof (si
);
3781 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3782 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3786 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3790 SetScrollRange (hwnd
, SB_CTL
, 0,
3791 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3792 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3795 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3797 /* Add bar to its frame's list of scroll bars. */
3798 bar
->next
= FRAME_SCROLL_BARS (f
);
3800 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3801 if (! NILP (bar
->next
))
3802 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3810 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3814 x_scroll_bar_remove (bar
)
3815 struct scroll_bar
*bar
;
3817 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3821 /* Destroy the window. */
3822 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3824 /* Disassociate this scroll bar from its window. */
3825 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3830 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3831 that we are displaying PORTION characters out of a total of WHOLE
3832 characters, starting at POSITION. If WINDOW has no scroll bar,
3835 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3837 int portion
, whole
, position
;
3839 struct frame
*f
= XFRAME (w
->frame
);
3840 struct scroll_bar
*bar
;
3841 int top
, height
, left
, sb_left
, width
, sb_width
;
3842 int window_y
, window_height
;
3844 /* Get window dimensions. */
3845 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3847 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3848 height
= window_height
;
3850 /* Compute the left edge of the scroll bar area. */
3851 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3853 /* Compute the width of the scroll bar which might be less than
3854 the width of the area reserved for the scroll bar. */
3855 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3856 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3860 /* Compute the left edge of the scroll bar. */
3861 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3862 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3864 sb_left
= left
+ (width
- sb_width
) / 2;
3866 /* Does the scroll bar exist yet? */
3867 if (NILP (w
->vertical_scroll_bar
))
3871 if (width
> 0 && height
> 0)
3873 hdc
= get_frame_dc (f
);
3874 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3875 release_frame_dc (f
, hdc
);
3879 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3883 /* It may just need to be moved and resized. */
3886 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3887 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3889 /* If already correctly positioned, do nothing. */
3890 if ( XINT (bar
->left
) == sb_left
3891 && XINT (bar
->top
) == top
3892 && XINT (bar
->width
) == sb_width
3893 && XINT (bar
->height
) == height
)
3895 /* Redraw after clear_frame. */
3896 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3897 InvalidateRect (hwnd
, NULL
, FALSE
);
3903 if (width
&& height
)
3905 hdc
= get_frame_dc (f
);
3906 /* Since Windows scroll bars are smaller than the space reserved
3907 for them on the frame, we have to clear "under" them. */
3908 w32_clear_area (f
, hdc
,
3913 release_frame_dc (f
, hdc
);
3915 /* Make sure scroll bar is "visible" before moving, to ensure the
3916 area of the parent window now exposed will be refreshed. */
3917 my_show_window (f
, hwnd
, SW_HIDE
);
3918 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3919 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3920 max (height
, 1), TRUE
);
3921 if (pfnSetScrollInfo
)
3925 si
.cbSize
= sizeof (si
);
3926 si
.fMask
= SIF_RANGE
;
3928 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3929 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3931 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3934 SetScrollRange (hwnd
, SB_CTL
, 0,
3935 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3936 my_show_window (f
, hwnd
, SW_NORMAL
);
3937 /* InvalidateRect (w, NULL, FALSE); */
3939 /* Remember new settings. */
3940 XSETINT (bar
->left
, sb_left
);
3941 XSETINT (bar
->top
, top
);
3942 XSETINT (bar
->width
, sb_width
);
3943 XSETINT (bar
->height
, height
);
3948 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3950 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3954 /* The following three hooks are used when we're doing a thorough
3955 redisplay of the frame. We don't explicitly know which scroll bars
3956 are going to be deleted, because keeping track of when windows go
3957 away is a real pain - "Can you say set-window-configuration, boys
3958 and girls?" Instead, we just assert at the beginning of redisplay
3959 that *all* scroll bars are to be removed, and then save a scroll bar
3960 from the fiery pit when we actually redisplay its window. */
3962 /* Arrange for all scroll bars on FRAME to be removed at the next call
3963 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3964 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3967 w32_condemn_scroll_bars (frame
)
3970 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3971 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3974 bar
= FRAME_SCROLL_BARS (frame
);
3975 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3976 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3977 XSCROLL_BAR (bar
)->prev
= Qnil
;
3978 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3979 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3980 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3985 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3986 Note that WINDOW isn't necessarily condemned at all. */
3989 w32_redeem_scroll_bar (window
)
3990 struct window
*window
;
3992 struct scroll_bar
*bar
;
3995 /* We can't redeem this window's scroll bar if it doesn't have one. */
3996 if (NILP (window
->vertical_scroll_bar
))
3999 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
4001 /* Unlink it from the condemned list. */
4002 f
= XFRAME (WINDOW_FRAME (window
));
4003 if (NILP (bar
->prev
))
4005 /* If the prev pointer is nil, it must be the first in one of
4007 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
4008 /* It's not condemned. Everything's fine. */
4010 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
4011 window
->vertical_scroll_bar
))
4012 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
4014 /* If its prev pointer is nil, it must be at the front of
4015 one or the other! */
4019 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
4021 if (! NILP (bar
->next
))
4022 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
4024 bar
->next
= FRAME_SCROLL_BARS (f
);
4026 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
4027 if (! NILP (bar
->next
))
4028 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
4031 /* Remove all scroll bars on FRAME that haven't been saved since the
4032 last call to `*condemn_scroll_bars_hook'. */
4035 w32_judge_scroll_bars (f
)
4038 Lisp_Object bar
, next
;
4040 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
4042 /* Clear out the condemned list now so we won't try to process any
4043 more events on the hapless scroll bars. */
4044 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
4046 for (; ! NILP (bar
); bar
= next
)
4048 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
4050 x_scroll_bar_remove (b
);
4053 b
->next
= b
->prev
= Qnil
;
4056 /* Now there should be no references to the condemned scroll bars,
4057 and they should get garbage-collected. */
4060 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4061 is set to something other than NO_EVENT, it is enqueued.
4063 This may be called from a signal handler, so we have to ignore GC
4067 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
4068 struct scroll_bar
*bar
;
4070 struct input_event
*emacs_event
;
4072 if (! GC_WINDOWP (bar
->window
))
4075 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
4076 emacs_event
->code
= 0;
4077 /* not really meaningful to distinguish up/down */
4078 emacs_event
->modifiers
= msg
->dwModifiers
;
4079 emacs_event
->frame_or_window
= bar
->window
;
4080 emacs_event
->arg
= Qnil
;
4081 emacs_event
->timestamp
= msg
->msg
.time
;
4084 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4086 int dragging
= !NILP (bar
->dragging
);
4088 if (pfnGetScrollInfo
)
4092 si
.cbSize
= sizeof (si
);
4095 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4099 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
4101 bar
->dragging
= Qnil
;
4104 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4106 switch (LOWORD (msg
->msg
.wParam
))
4109 emacs_event
->part
= scroll_bar_down_arrow
;
4112 emacs_event
->part
= scroll_bar_up_arrow
;
4115 emacs_event
->part
= scroll_bar_above_handle
;
4118 emacs_event
->part
= scroll_bar_below_handle
;
4121 emacs_event
->part
= scroll_bar_handle
;
4125 emacs_event
->part
= scroll_bar_handle
;
4129 case SB_THUMBPOSITION
:
4130 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4131 y
= HIWORD (msg
->msg
.wParam
);
4133 emacs_event
->part
= scroll_bar_handle
;
4135 /* "Silently" update current position. */
4136 if (pfnSetScrollInfo
)
4140 si
.cbSize
= sizeof (si
);
4143 /* Remember apparent position (we actually lag behind the real
4144 position, so don't set that directly. */
4145 last_scroll_bar_drag_pos
= y
;
4147 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4150 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
4153 /* If this is the end of a drag sequence, then reset the scroll
4154 handle size to normal and do a final redraw. Otherwise do
4158 if (pfnSetScrollInfo
)
4161 int start
= XINT (bar
->start
);
4162 int end
= XINT (bar
->end
);
4164 si
.cbSize
= sizeof (si
);
4165 si
.fMask
= SIF_PAGE
| SIF_POS
;
4166 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4167 si
.nPos
= last_scroll_bar_drag_pos
;
4168 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4171 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4175 emacs_event
->kind
= NO_EVENT
;
4179 XSETINT (emacs_event
->x
, y
);
4180 XSETINT (emacs_event
->y
, top_range
);
4186 /* Return information to the user about the current position of the mouse
4187 on the scroll bar. */
4190 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4192 Lisp_Object
*bar_window
;
4193 enum scroll_bar_part
*part
;
4195 unsigned long *time
;
4197 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4198 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4199 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4201 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4206 *bar_window
= bar
->window
;
4208 if (pfnGetScrollInfo
)
4212 si
.cbSize
= sizeof (si
);
4213 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4215 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4217 top_range
= si
.nMax
- si
.nPage
+ 1;
4220 pos
= GetScrollPos (w
, SB_CTL
);
4222 switch (LOWORD (last_mouse_scroll_bar_pos
))
4224 case SB_THUMBPOSITION
:
4226 *part
= scroll_bar_handle
;
4227 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4228 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4231 *part
= scroll_bar_handle
;
4235 *part
= scroll_bar_handle
;
4240 XSETINT (*y
, top_range
);
4243 last_mouse_scroll_bar
= Qnil
;
4245 *time
= last_mouse_movement_time
;
4251 /* The screen has been cleared so we may have changed foreground or
4252 background colors, and the scroll bars may need to be redrawn.
4253 Clear out the scroll bars, and ask for expose events, so we can
4257 x_scroll_bar_clear (f
)
4262 /* We can have scroll bars even if this is 0,
4263 if we just turned off scroll bar mode.
4264 But in that case we should not clear them. */
4265 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4266 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4267 bar
= XSCROLL_BAR (bar
)->next
)
4269 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4270 HDC hdc
= GetDC (window
);
4273 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4274 arranges to refresh the scroll bar if hidden. */
4275 my_show_window (f
, window
, SW_HIDE
);
4277 GetClientRect (window
, &rect
);
4278 select_palette (f
, hdc
);
4279 w32_clear_rect (f
, hdc
, &rect
);
4280 deselect_palette (f
, hdc
);
4282 ReleaseDC (window
, hdc
);
4287 /* The main W32 event-reading loop - w32_read_socket. */
4289 /* Record the last 100 characters stored
4290 to help debug the loss-of-chars-during-GC problem. */
4292 static int temp_index
;
4293 static short temp_buffer
[100];
4296 /* Read events coming from the W32 shell.
4297 This routine is called by the SIGIO handler.
4298 We return as soon as there are no more events to be read.
4300 We return the number of characters stored into the buffer,
4301 thus pretending to be `read'.
4303 EXPECTED is nonzero if the caller knows input is available.
4305 Some of these messages are reposted back to the message queue since the
4306 system calls the windows proc directly in a context where we cannot return
4307 the data nor can we guarantee the state we are in. So if we dispatch them
4308 we will get into an infinite loop. To prevent this from ever happening we
4309 will set a variable to indicate we are in the read_socket call and indicate
4310 which message we are processing since the windows proc gets called
4311 recursively with different messages by the system.
4315 w32_read_socket (sd
, expected
, hold_quit
)
4318 struct input_event
*hold_quit
;
4321 int check_visibility
= 0;
4324 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4326 if (interrupt_input_blocked
)
4328 interrupt_input_pending
= 1;
4332 interrupt_input_pending
= 0;
4335 /* So people can tell when we have read the available input. */
4336 input_signal_count
++;
4338 /* TODO: ghostscript integration. */
4339 while (get_next_msg (&msg
, FALSE
))
4341 struct input_event inev
;
4345 inev
.kind
= NO_EVENT
;
4348 switch (msg
.msg
.message
)
4351 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4355 if (msg
.rect
.right
== msg
.rect
.left
||
4356 msg
.rect
.bottom
== msg
.rect
.top
)
4358 /* We may get paint messages even though the client
4359 area is clipped - these are not expose events. */
4360 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4363 else if (f
->async_visible
!= 1)
4365 /* Definitely not obscured, so mark as visible. */
4366 f
->async_visible
= 1;
4367 f
->async_iconified
= 0;
4368 SET_FRAME_GARBAGED (f
);
4369 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4372 /* WM_PAINT serves as MapNotify as well, so report
4373 visibility changes properly. */
4376 inev
.kind
= DEICONIFY_EVENT
;
4377 XSETFRAME (inev
.frame_or_window
, f
);
4379 else if (! NILP (Vframe_list
)
4380 && ! NILP (XCDR (Vframe_list
)))
4381 /* Force a redisplay sooner or later to update the
4382 frame titles in case this is the second frame. */
4383 record_asynch_buffer_change ();
4387 HDC hdc
= get_frame_dc (f
);
4389 /* Erase background again for safety. */
4390 w32_clear_rect (f
, hdc
, &msg
.rect
);
4391 release_frame_dc (f
, hdc
);
4395 msg
.rect
.right
- msg
.rect
.left
,
4396 msg
.rect
.bottom
- msg
.rect
.top
);
4401 case WM_INPUTLANGCHANGE
:
4402 /* Generate a language change event. */
4403 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4407 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4408 XSETFRAME (inev
.frame_or_window
, f
);
4409 inev
.code
= msg
.msg
.wParam
;
4410 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4416 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4418 if (f
&& !f
->iconified
)
4420 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4422 clear_mouse_face (dpyinfo
);
4423 dpyinfo
->mouse_face_hidden
= 1;
4426 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4428 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4429 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4430 inev
.code
= msg
.msg
.wParam
;
4431 inev
.modifiers
= msg
.dwModifiers
;
4432 XSETFRAME (inev
.frame_or_window
, f
);
4433 inev
.timestamp
= msg
.msg
.time
;
4439 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4441 if (f
&& !f
->iconified
)
4443 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4445 clear_mouse_face (dpyinfo
);
4446 dpyinfo
->mouse_face_hidden
= 1;
4449 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4451 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4452 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4453 inev
.code
= msg
.msg
.wParam
;
4454 inev
.modifiers
= msg
.dwModifiers
;
4455 XSETFRAME (inev
.frame_or_window
, f
);
4456 inev
.timestamp
= msg
.msg
.time
;
4461 /* Ignore non-movement. */
4463 int x
= LOWORD (msg
.msg
.lParam
);
4464 int y
= HIWORD (msg
.msg
.lParam
);
4465 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4467 last_mousemove_x
= x
;
4468 last_mousemove_y
= y
;
4471 previous_help_echo_string
= help_echo_string
;
4472 help_echo_string
= Qnil
;
4474 if (dpyinfo
->grabbed
&& last_mouse_frame
4475 && FRAME_LIVE_P (last_mouse_frame
))
4476 f
= last_mouse_frame
;
4478 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4480 if (dpyinfo
->mouse_face_hidden
)
4482 dpyinfo
->mouse_face_hidden
= 0;
4483 clear_mouse_face (dpyinfo
);
4488 /* Generate SELECT_WINDOW_EVENTs when needed. */
4489 if (mouse_autoselect_window
)
4492 int x
= LOWORD (msg
.msg
.lParam
);
4493 int y
= HIWORD (msg
.msg
.lParam
);
4495 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4497 /* Window will be selected only when it is not
4498 selected now and last mouse movement event was
4499 not in it. Minibuffer window will be selected
4500 iff it is active. */
4502 && !EQ (window
, last_window
)
4503 && !EQ (window
, selected_window
))
4505 inev
.kind
= SELECT_WINDOW_EVENT
;
4506 inev
.frame_or_window
= window
;
4511 if (!note_mouse_movement (f
, &msg
.msg
))
4512 help_echo_string
= previous_help_echo_string
;
4516 /* If we move outside the frame, then we're
4517 certainly no longer on any text in the frame. */
4518 clear_mouse_face (dpyinfo
);
4521 /* If the contents of the global variable help_echo_string
4522 has changed, generate a HELP_EVENT. */
4523 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4524 But it was originally changed to this to fix a bug, so I have
4525 not removed it completely in case the bug is still there. */
4526 if (help_echo_string
!= previous_help_echo_string
||
4527 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4528 #else /* This is what xterm.c does. */
4529 if (!NILP (help_echo_string
)
4530 || !NILP (previous_help_echo_string
))
4535 case WM_LBUTTONDOWN
:
4537 case WM_MBUTTONDOWN
:
4539 case WM_RBUTTONDOWN
:
4541 case WM_XBUTTONDOWN
:
4544 /* If we decide we want to generate an event to be seen
4545 by the rest of Emacs, we put it here. */
4550 if (dpyinfo
->grabbed
&& last_mouse_frame
4551 && FRAME_LIVE_P (last_mouse_frame
))
4552 f
= last_mouse_frame
;
4554 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4558 construct_mouse_click (&inev
, &msg
, f
);
4560 /* Is this in the tool-bar? */
4561 if (WINDOWP (f
->tool_bar_window
)
4562 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4565 int x
= XFASTINT (inev
.x
);
4566 int y
= XFASTINT (inev
.y
);
4568 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4570 if (EQ (window
, f
->tool_bar_window
))
4572 w32_handle_tool_bar_click (f
, &inev
);
4578 || (dpyinfo
->w32_focus_frame
4579 && f
!= dpyinfo
->w32_focus_frame
))
4580 inev
.kind
= NO_EVENT
;
4583 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4588 dpyinfo
->grabbed
&= ~ (1 << button
);
4592 dpyinfo
->grabbed
|= (1 << button
);
4593 last_mouse_frame
= f
;
4594 /* Ignore any mouse motion that happened
4595 before this event; any subsequent mouse-movement
4596 Emacs events should reflect only motion after
4602 last_tool_bar_item
= -1;
4609 if (dpyinfo
->grabbed
&& last_mouse_frame
4610 && FRAME_LIVE_P (last_mouse_frame
))
4611 f
= last_mouse_frame
;
4613 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4618 if (!dpyinfo
->w32_focus_frame
4619 || f
== dpyinfo
->w32_focus_frame
)
4621 /* Emit an Emacs wheel-up/down event. */
4622 construct_mouse_wheel (&inev
, &msg
, f
);
4624 /* Ignore any mouse motion that happened before this
4625 event; any subsequent mouse-movement Emacs events
4626 should reflect only motion after the
4630 last_mouse_frame
= f
;
4631 last_tool_bar_item
= -1;
4636 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4639 construct_drag_n_drop (&inev
, &msg
, f
);
4644 struct scroll_bar
*bar
=
4645 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4648 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4652 case WM_WINDOWPOSCHANGED
:
4653 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4656 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4657 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4659 check_visibility
= 1;
4663 case WM_ACTIVATEAPP
:
4664 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4666 x_check_fullscreen (f
);
4667 check_visibility
= 1;
4671 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4673 if (f
&& !f
->async_iconified
)
4677 x_real_positions (f
, &x
, &y
);
4682 check_visibility
= 1;
4686 /* wParam non-zero means Window is about to be shown, 0 means
4687 about to be hidden. */
4688 /* Redo the mouse-highlight after the tooltip has gone. */
4689 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4692 redo_mouse_highlight ();
4695 /* If window has been obscured or exposed by another window
4696 being maximised or minimised/restored, then recheck
4697 visibility of all frames. Direct changes to our own
4698 windows get handled by WM_SIZE. */
4700 if (msg
.msg
.lParam
!= 0)
4701 check_visibility
= 1;
4704 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4705 f
->async_visible
= msg
.msg
.wParam
;
4709 check_visibility
= 1;
4713 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4715 /* Inform lisp of whether frame has been iconified etc. */
4718 switch (msg
.msg
.wParam
)
4720 case SIZE_MINIMIZED
:
4721 f
->async_visible
= 0;
4722 f
->async_iconified
= 1;
4724 inev
.kind
= ICONIFY_EVENT
;
4725 XSETFRAME (inev
.frame_or_window
, f
);
4728 case SIZE_MAXIMIZED
:
4730 f
->async_visible
= 1;
4731 f
->async_iconified
= 0;
4733 /* wait_reading_process_output will notice this and update
4734 the frame's display structures. */
4735 SET_FRAME_GARBAGED (f
);
4741 /* Reset top and left positions of the Window
4742 here since Windows sends a WM_MOVE message
4743 BEFORE telling us the Window is minimized
4744 when the Window is iconified, with 3000,3000
4746 x_real_positions (f
, &x
, &y
);
4750 inev
.kind
= DEICONIFY_EVENT
;
4751 XSETFRAME (inev
.frame_or_window
, f
);
4753 else if (! NILP (Vframe_list
)
4754 && ! NILP (XCDR (Vframe_list
)))
4755 /* Force a redisplay sooner or later
4756 to update the frame titles
4757 in case this is the second frame. */
4758 record_asynch_buffer_change ();
4763 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4771 GetClientRect (msg
.msg
.hwnd
, &rect
);
4773 height
= rect
.bottom
- rect
.top
;
4774 width
= rect
.right
- rect
.left
;
4776 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4777 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4779 /* TODO: Clip size to the screen dimensions. */
4781 /* Even if the number of character rows and columns has
4782 not changed, the font size may have changed, so we need
4783 to check the pixel dimensions as well. */
4785 if (columns
!= FRAME_COLS (f
)
4786 || rows
!= FRAME_LINES (f
)
4787 || width
!= FRAME_PIXEL_WIDTH (f
)
4788 || height
!= FRAME_PIXEL_HEIGHT (f
))
4790 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4791 SET_FRAME_GARBAGED (f
);
4792 cancel_mouse_face (f
);
4793 FRAME_PIXEL_WIDTH (f
) = width
;
4794 FRAME_PIXEL_HEIGHT (f
) = height
;
4795 f
->win_gravity
= NorthWestGravity
;
4799 check_visibility
= 1;
4803 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4806 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4808 /* If we move outside the frame, then we're
4809 certainly no longer on any text in the frame. */
4810 clear_mouse_face (dpyinfo
);
4811 dpyinfo
->mouse_face_mouse_frame
= 0;
4814 /* Generate a nil HELP_EVENT to cancel a help-echo.
4815 Do it only if there's something to cancel.
4816 Otherwise, the startup message is cleared when
4817 the mouse leaves the frame. */
4818 if (any_help_event_p
)
4824 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4826 dpyinfo
->grabbed
= 0;
4827 check_visibility
= 1;
4831 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4835 if (f
== dpyinfo
->w32_focus_event_frame
)
4836 dpyinfo
->w32_focus_event_frame
= 0;
4838 if (f
== dpyinfo
->w32_focus_frame
)
4839 x_new_focus_frame (dpyinfo
, 0);
4841 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4843 /* If we move outside the frame, then we're
4844 certainly no longer on any text in the frame. */
4845 clear_mouse_face (dpyinfo
);
4846 dpyinfo
->mouse_face_mouse_frame
= 0;
4849 /* Generate a nil HELP_EVENT to cancel a help-echo.
4850 Do it only if there's something to cancel.
4851 Otherwise, the startup message is cleared when
4852 the mouse leaves the frame. */
4853 if (any_help_event_p
)
4857 dpyinfo
->grabbed
= 0;
4858 check_visibility
= 1;
4862 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4866 inev
.kind
= DELETE_WINDOW_EVENT
;
4867 XSETFRAME (inev
.frame_or_window
, f
);
4872 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4876 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4877 XSETFRAME (inev
.frame_or_window
, f
);
4882 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4886 extern void menubar_selection_callback
4887 (FRAME_PTR f
, void * client_data
);
4888 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4891 check_visibility
= 1;
4894 case WM_DISPLAYCHANGE
:
4895 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4899 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4900 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4901 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4902 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4906 check_visibility
= 1;
4910 /* Check for messages registered at runtime. */
4911 if (msg
.msg
.message
== msh_mousewheel
)
4913 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4914 msg
.msg
.message
= WM_MOUSEWHEEL
;
4920 if (inev
.kind
!= NO_EVENT
)
4922 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4927 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4932 XSETFRAME (frame
, f
);
4938 if (NILP (help_echo_string
))
4940 help_echo_object
= help_echo_window
= Qnil
;
4944 any_help_event_p
= 1;
4945 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4946 help_echo_object
, help_echo_pos
);
4950 help_echo_string
= Qnil
;
4951 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4957 /* If the focus was just given to an autoraising frame,
4959 /* ??? This ought to be able to handle more than one such frame. */
4960 if (pending_autoraise_frame
)
4962 x_raise_frame (pending_autoraise_frame
);
4963 pending_autoraise_frame
= 0;
4966 /* Check which frames are still visisble, if we have enqueued any user
4967 events or been notified of events that may affect visibility. We
4968 do this here because there doesn't seem to be any direct
4969 notification from Windows that the visibility of a window has
4970 changed (at least, not in all cases). */
4971 if (count
> 0 || check_visibility
)
4973 Lisp_Object tail
, frame
;
4975 FOR_EACH_FRAME (tail
, frame
)
4977 FRAME_PTR f
= XFRAME (frame
);
4978 /* The tooltip has been drawn already. Avoid the
4979 SET_FRAME_GARBAGED below. */
4980 if (EQ (frame
, tip_frame
))
4983 /* Check "visible" frames and mark each as obscured or not.
4984 Note that async_visible is nonzero for unobscured and
4985 obscured frames, but zero for hidden and iconified frames. */
4986 if (FRAME_W32_P (f
) && f
->async_visible
)
4992 /* Query clipping rectangle for the entire window area
4993 (GetWindowDC), not just the client portion (GetDC).
4994 Otherwise, the scrollbars and menubar aren't counted as
4995 part of the visible area of the frame, and we may think
4996 the frame is obscured when really a scrollbar is still
4997 visible and gets WM_PAINT messages above. */
4998 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4999 GetClipBox (hdc
, &clipbox
);
5000 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5003 if (clipbox
.right
== clipbox
.left
5004 || clipbox
.bottom
== clipbox
.top
)
5006 /* Frame has become completely obscured so mark as
5007 such (we do this by setting async_visible to 2 so
5008 that FRAME_VISIBLE_P is still true, but redisplay
5010 f
->async_visible
= 2;
5012 if (!FRAME_OBSCURED_P (f
))
5014 DebPrint (("frame %p (%s) obscured\n", f
,
5020 /* Frame is not obscured, so mark it as such. */
5021 f
->async_visible
= 1;
5023 if (FRAME_OBSCURED_P (f
))
5025 SET_FRAME_GARBAGED (f
);
5026 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
5029 /* Force a redisplay sooner or later. */
5030 record_asynch_buffer_change ();
5043 /***********************************************************************
5045 ***********************************************************************/
5047 /* Set clipping for output in glyph row ROW. W is the window in which
5048 we operate. GC is the graphics context to set clipping in.
5050 ROW may be a text row or, e.g., a mode line. Text rows must be
5051 clipped to the interior of the window dedicated to text display,
5052 mode lines must be clipped to the whole window. */
5055 w32_clip_to_row (w
, row
, area
, hdc
)
5057 struct glyph_row
*row
;
5061 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5063 int window_x
, window_y
, window_width
;
5065 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5067 clip_rect
.left
= window_x
;
5068 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5069 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5070 clip_rect
.right
= clip_rect
.left
+ window_width
;
5071 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5073 w32_set_clip_rectangle (hdc
, &clip_rect
);
5077 /* Draw a hollow box cursor on window W in glyph row ROW. */
5080 x_draw_hollow_cursor (w
, row
)
5082 struct glyph_row
*row
;
5084 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5088 struct glyph
*cursor_glyph
;
5089 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5091 /* Get the glyph the cursor is on. If we can't tell because
5092 the current matrix is invalid or such, give up. */
5093 cursor_glyph
= get_phys_cursor_glyph (w
);
5094 if (cursor_glyph
== NULL
)
5097 /* Compute frame-relative coordinates for phys cursor. */
5098 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5099 rect
.top
= get_phys_cursor_geometry (w
, row
, cursor_glyph
, &h
);
5100 rect
.bottom
= rect
.top
+ h
;
5101 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5103 hdc
= get_frame_dc (f
);
5104 /* Set clipping, draw the rectangle, and reset clipping again. */
5105 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5106 FrameRect (hdc
, &rect
, hb
);
5108 w32_set_clip_rectangle (hdc
, NULL
);
5109 release_frame_dc (f
, hdc
);
5113 /* Draw a bar cursor on window W in glyph row ROW.
5115 Implementation note: One would like to draw a bar cursor with an
5116 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5117 Unfortunately, I didn't find a font yet that has this property set.
5121 x_draw_bar_cursor (w
, row
, width
, kind
)
5123 struct glyph_row
*row
;
5125 enum text_cursor_kinds kind
;
5127 struct frame
*f
= XFRAME (w
->frame
);
5128 struct glyph
*cursor_glyph
;
5132 /* If cursor is out of bounds, don't draw garbage. This can happen
5133 in mini-buffer windows when switching between echo area glyphs
5135 cursor_glyph
= get_phys_cursor_glyph (w
);
5136 if (cursor_glyph
== NULL
)
5139 /* If on an image, draw like a normal cursor. That's usually better
5140 visible than drawing a bar, esp. if the image is large so that
5141 the bar might not be in the window. */
5142 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5144 struct glyph_row
*row
;
5145 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5146 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5150 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5151 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5153 /* If the glyph's background equals the color we normally draw
5154 the bar cursor in, the bar cursor in its normal color is
5155 invisible. Use the glyph's foreground color instead in this
5156 case, on the assumption that the glyph's colors are chosen so
5157 that the glyph is legible. */
5158 if (face
->background
== cursor_color
)
5159 cursor_color
= face
->foreground
;
5161 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5164 width
= FRAME_CURSOR_WIDTH (f
);
5165 width
= min (cursor_glyph
->pixel_width
, width
);
5167 w
->phys_cursor_width
= width
;
5170 hdc
= get_frame_dc (f
);
5171 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5173 if (kind
== BAR_CURSOR
)
5175 w32_fill_area (f
, hdc
, cursor_color
, x
,
5176 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5177 width
, row
->height
);
5181 w32_fill_area (f
, hdc
, cursor_color
, x
,
5182 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5183 row
->height
- width
),
5184 cursor_glyph
->pixel_width
, width
);
5187 w32_set_clip_rectangle (hdc
, NULL
);
5188 release_frame_dc (f
, hdc
);
5193 /* RIF: Define cursor CURSOR on frame F. */
5196 w32_define_frame_cursor (f
, cursor
)
5200 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5204 /* RIF: Clear area on frame F. */
5207 w32_clear_frame_area (f
, x
, y
, width
, height
)
5209 int x
, y
, width
, height
;
5213 hdc
= get_frame_dc (f
);
5214 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5215 release_frame_dc (f
, hdc
);
5218 /* RIF: Draw or clear cursor on window W. */
5221 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5223 struct glyph_row
*glyph_row
;
5225 int cursor_type
, cursor_width
;
5230 /* If the user wants to use the system caret, make sure our own
5231 cursor remains invisible. */
5232 if (w32_use_visible_system_caret
)
5234 /* Call to erase_phys_cursor here seems to use the
5235 wrong values of w->phys_cursor, as they have been
5236 overwritten before this function was called. */
5237 if (w
->phys_cursor_type
!= NO_CURSOR
)
5238 erase_phys_cursor (w
);
5240 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5241 w
->phys_cursor_width
= -1;
5245 w
->phys_cursor_type
= cursor_type
;
5248 w
->phys_cursor_on_p
= 1;
5250 /* If this is the active cursor, we need to track it with the
5251 system caret, so third party software like screen magnifiers
5252 and speech synthesizers can follow the cursor. */
5255 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5256 HWND hwnd
= FRAME_W32_WINDOW (f
);
5259 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5261 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5262 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5264 /* If the size of the active cursor changed, destroy the old
5266 if (w32_system_caret_hwnd
5267 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5268 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5270 w32_system_caret_height
= w
->phys_cursor_height
;
5272 /* Move the system caret. */
5273 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5276 if (glyph_row
->exact_window_width_line_p
5277 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5279 glyph_row
->cursor_in_fringe_p
= 1;
5280 draw_fringe_bitmap (w
, glyph_row
, 0);
5284 switch (cursor_type
)
5286 case HOLLOW_BOX_CURSOR
:
5287 x_draw_hollow_cursor (w
, glyph_row
);
5290 case FILLED_BOX_CURSOR
:
5291 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5295 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5299 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5303 w
->phys_cursor_width
= 0;
5317 x_bitmap_icon (f
, icon
)
5322 HANDLE small_icon
= NULL
;
5324 if (FRAME_W32_WINDOW (f
) == 0)
5328 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5329 else if (STRINGP (icon
))
5331 /* Load the main icon from the named file. */
5332 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5333 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5334 /* Try to load a small icon to go with it. */
5335 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5336 GetSystemMetrics (SM_CXSMICON
),
5337 GetSystemMetrics (SM_CYSMICON
),
5340 else if (SYMBOLP (icon
))
5344 if (EQ (icon
, intern ("application")))
5345 name
= (LPCTSTR
) IDI_APPLICATION
;
5346 else if (EQ (icon
, intern ("hand")))
5347 name
= (LPCTSTR
) IDI_HAND
;
5348 else if (EQ (icon
, intern ("question")))
5349 name
= (LPCTSTR
) IDI_QUESTION
;
5350 else if (EQ (icon
, intern ("exclamation")))
5351 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5352 else if (EQ (icon
, intern ("asterisk")))
5353 name
= (LPCTSTR
) IDI_ASTERISK
;
5354 else if (EQ (icon
, intern ("winlogo")))
5355 name
= (LPCTSTR
) IDI_WINLOGO
;
5359 main_icon
= LoadIcon (NULL
, name
);
5364 if (main_icon
== NULL
)
5367 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5368 (LPARAM
) main_icon
);
5370 /* If there is a small icon that goes with it, set that too. */
5372 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5373 (LPARAM
) small_icon
);
5379 /************************************************************************
5381 ************************************************************************/
5383 /* Display Error Handling functions not used on W32. Listing them here
5384 helps diff stay in step when comparing w32term.c with xterm.c.
5386 x_error_catcher (display, error)
5387 x_catch_errors (dpy)
5388 x_catch_errors_unwind (old_val)
5389 x_check_errors (dpy, format)
5390 x_had_errors_p (dpy)
5391 x_clear_errors (dpy)
5392 x_uncatch_errors (dpy, count)
5394 x_connection_signal (signalnum)
5395 x_connection_closed (dpy, error_message)
5396 x_error_quitter (display, error)
5397 x_error_handler (display, error)
5398 x_io_error_quitter (display)
5403 /* Changing the font of the frame. */
5405 /* Give frame F the font named FONTNAME as its default font, and
5406 return the full name of that font. FONTNAME may be a wildcard
5407 pattern; in that case, we choose some font that fits the pattern.
5408 The return value shows which font we chose. */
5411 x_new_font (f
, fontname
)
5413 register char *fontname
;
5415 struct font_info
*fontp
5416 = FS_LOAD_FONT (f
, fontname
);
5421 if (FRAME_FONT (f
) == (XFontStruct
*) (fontp
->font
))
5422 /* This font is already set in frame F. There's nothing more to
5424 return build_string (fontp
->full_name
);
5426 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5427 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5428 FRAME_FONTSET (f
) = -1;
5430 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5431 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5432 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5434 compute_fringe_widths (f
, 1);
5436 /* Compute the scroll bar width in character columns. */
5437 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5439 int wid
= FRAME_COLUMN_WIDTH (f
);
5440 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5441 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5445 int wid
= FRAME_COLUMN_WIDTH (f
);
5446 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5449 /* Now make the frame display the given font. */
5450 if (FRAME_W32_WINDOW (f
) != 0)
5452 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5453 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5456 return build_string (fontp
->full_name
);
5459 /* Give frame F the fontset named FONTSETNAME as its default fontset,
5460 and return the full name of that fontset. FONTSETNAME may be a
5461 wildcard pattern; in that case, we choose some fontset that fits
5462 the pattern. FONTSETNAME may be a font name for ASCII characters;
5463 in that case, we create a fontset from that font name.
5465 The return value shows which fontset we chose.
5466 If FONTSETNAME specifies the default fontset, return Qt.
5467 If an ASCII font in the specified fontset can't be loaded, return
5471 x_new_fontset (f
, fontsetname
)
5473 Lisp_Object fontsetname
;
5475 int fontset
= fs_query_fontset (fontsetname
, 0);
5478 if (fontset
> 0 && FRAME_FONTSET(f
) == fontset
)
5479 /* This fontset is already set in frame F. There's nothing more
5481 return fontset_name (fontset
);
5482 else if (fontset
== 0)
5483 /* The default fontset can't be the default font. */
5487 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5489 result
= x_new_font (f
, SDATA (fontsetname
));
5491 if (!STRINGP (result
))
5492 /* Can't load ASCII font. */
5496 fontset
= new_fontset_from_font_name (result
);
5498 /* Since x_new_font doesn't update any fontset information, do it now. */
5499 FRAME_FONTSET(f
) = fontset
;
5501 return fontset_name (fontset
);
5505 /***********************************************************************
5506 TODO: W32 Input Methods
5507 ***********************************************************************/
5508 /* Listing missing functions from xterm.c helps diff stay in step.
5510 xim_destroy_callback (xim, client_data, call_data)
5511 xim_open_dpy (dpyinfo, resource_name)
5513 xim_instantiate_callback (display, client_data, call_data)
5514 xim_initialize (dpyinfo, resource_name)
5515 xim_close_dpy (dpyinfo)
5520 /* Calculate the absolute position in frame F
5521 from its current recorded position values and gravity. */
5524 x_calc_absolute_position (f
)
5527 int flags
= f
->size_hint_flags
;
5529 /* Treat negative positions as relative to the leftmost bottommost
5530 position that fits on the screen. */
5531 if (flags
& XNegative
)
5532 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5533 - FRAME_PIXEL_WIDTH (f
)
5536 if (flags
& YNegative
)
5537 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5538 - FRAME_PIXEL_HEIGHT (f
)
5540 /* The left_pos and top_pos
5541 are now relative to the top and left screen edges,
5542 so the flags should correspond. */
5543 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5546 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5547 to really change the position, and 0 when calling from
5548 x_make_frame_visible (in that case, XOFF and YOFF are the current
5549 position values). It is -1 when calling from x_set_frame_parameters,
5550 which means, do adjust for borders but don't change the gravity. */
5553 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5555 register int xoff
, yoff
;
5558 int modified_top
, modified_left
;
5560 if (change_gravity
> 0)
5564 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5566 f
->size_hint_flags
|= XNegative
;
5568 f
->size_hint_flags
|= YNegative
;
5569 f
->win_gravity
= NorthWestGravity
;
5571 x_calc_absolute_position (f
);
5574 x_wm_set_size_hint (f
, (long) 0, 0);
5576 modified_left
= f
->left_pos
;
5577 modified_top
= f
->top_pos
;
5579 my_set_window_pos (FRAME_W32_WINDOW (f
),
5581 modified_left
, modified_top
,
5583 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5588 /* Check if we need to resize the frame due to a fullscreen request.
5589 If so needed, resize the frame. */
5591 x_check_fullscreen (f
)
5594 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5596 int width
, height
, ign
;
5598 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5600 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5602 /* We do not need to move the window, it shall be taken care of
5603 when setting WM manager hints. */
5604 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5606 change_frame_size (f
, height
, width
, 0, 1, 0);
5607 SET_FRAME_GARBAGED (f
);
5608 cancel_mouse_face (f
);
5610 /* Wait for the change of frame size to occur */
5611 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5616 /* Call this to change the size of frame F's x-window.
5617 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5618 for this size change and subsequent size changes.
5619 Otherwise we leave the window gravity unchanged. */
5622 x_set_window_size (f
, change_gravity
, cols
, rows
)
5627 int pixelwidth
, pixelheight
;
5631 check_frame_size (f
, &rows
, &cols
);
5632 f
->scroll_bar_actual_width
5633 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5635 compute_fringe_widths (f
, 0);
5637 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5638 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5640 f
->win_gravity
= NorthWestGravity
;
5641 x_wm_set_size_hint (f
, (long) 0, 0);
5646 rect
.left
= rect
.top
= 0;
5647 rect
.right
= pixelwidth
;
5648 rect
.bottom
= pixelheight
;
5650 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5651 FRAME_EXTERNAL_MENU_BAR (f
));
5653 my_set_window_pos (FRAME_W32_WINDOW (f
),
5656 rect
.right
- rect
.left
,
5657 rect
.bottom
- rect
.top
,
5658 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5661 /* Now, strictly speaking, we can't be sure that this is accurate,
5662 but the window manager will get around to dealing with the size
5663 change request eventually, and we'll hear how it went when the
5664 ConfigureNotify event gets here.
5666 We could just not bother storing any of this information here,
5667 and let the ConfigureNotify event set everything up, but that
5668 might be kind of confusing to the Lisp code, since size changes
5669 wouldn't be reported in the frame parameters until some random
5670 point in the future when the ConfigureNotify event arrives.
5672 We pass 1 for DELAY since we can't run Lisp code inside of
5674 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5675 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5676 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5678 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5679 receive in the ConfigureNotify event; if we get what we asked
5680 for, then the event won't cause the screen to become garbaged, so
5681 we have to make sure to do it here. */
5682 SET_FRAME_GARBAGED (f
);
5684 /* If cursor was outside the new size, mark it as off. */
5685 mark_window_cursors_off (XWINDOW (f
->root_window
));
5687 /* Clear out any recollection of where the mouse highlighting was,
5688 since it might be in a place that's outside the new frame size.
5689 Actually checking whether it is outside is a pain in the neck,
5690 so don't try--just let the highlighting be done afresh with new size. */
5691 cancel_mouse_face (f
);
5696 /* Mouse warping. */
5698 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5701 x_set_mouse_position (f
, x
, y
)
5707 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5708 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5710 if (pix_x
< 0) pix_x
= 0;
5711 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5713 if (pix_y
< 0) pix_y
= 0;
5714 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5716 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5720 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5729 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5730 pt
.x
= rect
.left
+ pix_x
;
5731 pt
.y
= rect
.top
+ pix_y
;
5732 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5734 SetCursorPos (pt
.x
, pt
.y
);
5740 /* focus shifting, raising and lowering. */
5743 x_focus_on_frame (f
)
5746 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5748 /* Give input focus to frame. */
5751 /* Try not to change its Z-order if possible. */
5752 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5753 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5756 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5766 /* Raise frame F. */
5773 /* Strictly speaking, raise-frame should only change the frame's Z
5774 order, leaving input focus unchanged. This is reasonable behaviour
5775 on X where the usual policy is point-to-focus. However, this
5776 behaviour would be very odd on Windows where the usual policy is
5779 On X, if the mouse happens to be over the raised frame, it gets
5780 input focus anyway (so the window with focus will never be
5781 completely obscured) - if not, then just moving the mouse over it
5782 is sufficient to give it focus. On Windows, the user must actually
5783 click on the frame (preferrably the title bar so as not to move
5784 point), which is more awkward. Also, no other Windows program
5785 raises a window to the top but leaves another window (possibly now
5786 completely obscured) with input focus.
5788 Because there is a system setting on Windows that allows the user
5789 to choose the point to focus policy, we make the strict semantics
5790 optional, but by default we grab focus when raising. */
5792 if (NILP (Vw32_grab_focus_on_raise
))
5794 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5795 not already the foreground application: the frame is raised
5796 above all other frames belonging to us, but not above the
5797 current top window. To achieve that, we have to resort to this
5798 more cumbersome method. */
5800 HDWP handle
= BeginDeferWindowPos (2);
5803 DeferWindowPos (handle
,
5804 FRAME_W32_WINDOW (f
),
5807 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5809 DeferWindowPos (handle
,
5810 GetForegroundWindow (),
5811 FRAME_W32_WINDOW (f
),
5813 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5815 EndDeferWindowPos (handle
);
5820 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5826 /* Lower frame F. */
5832 my_set_window_pos (FRAME_W32_WINDOW (f
),
5835 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5840 w32_frame_raise_lower (f
, raise_flag
)
5844 if (! FRAME_W32_P (f
))
5853 /* Change of visibility. */
5855 /* This tries to wait until the frame is really visible.
5856 However, if the window manager asks the user where to position
5857 the frame, this will return before the user finishes doing that.
5858 The frame will not actually be visible at that time,
5859 but it will become visible later when the window manager
5860 finishes with it. */
5863 x_make_frame_visible (f
)
5870 type
= x_icon_type (f
);
5872 x_bitmap_icon (f
, type
);
5874 if (! FRAME_VISIBLE_P (f
))
5876 /* We test FRAME_GARBAGED_P here to make sure we don't
5877 call x_set_offset a second time
5878 if we get to x_make_frame_visible a second time
5879 before the window gets really visible. */
5880 if (! FRAME_ICONIFIED_P (f
)
5881 && ! f
->output_data
.w32
->asked_for_visible
)
5882 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5884 f
->output_data
.w32
->asked_for_visible
= 1;
5886 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5887 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5890 /* Synchronize to ensure Emacs knows the frame is visible
5891 before we do anything else. We do this loop with input not blocked
5892 so that incoming events are handled. */
5897 /* This must come after we set COUNT. */
5900 XSETFRAME (frame
, f
);
5902 /* Wait until the frame is visible. Process X events until a
5903 MapNotify event has been seen, or until we think we won't get a
5904 MapNotify at all.. */
5905 for (count
= input_signal_count
+ 10;
5906 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5908 /* Force processing of queued events. */
5909 /* TODO: x_sync equivalent? */
5911 /* Machines that do polling rather than SIGIO have been observed
5912 to go into a busy-wait here. So we'll fake an alarm signal
5913 to let the handler know that there's something to be read.
5914 We used to raise a real alarm, but it seems that the handler
5915 isn't always enabled here. This is probably a bug. */
5916 if (input_polling_used ())
5918 /* It could be confusing if a real alarm arrives while processing
5919 the fake one. Turn it off and let the handler reset it. */
5920 int old_poll_suppress_count
= poll_suppress_count
;
5921 poll_suppress_count
= 1;
5922 poll_for_input_1 ();
5923 poll_suppress_count
= old_poll_suppress_count
;
5926 FRAME_SAMPLE_VISIBILITY (f
);
5930 /* Change from mapped state to withdrawn state. */
5932 /* Make the frame visible (mapped and not iconified). */
5934 x_make_frame_invisible (f
)
5937 /* Don't keep the highlight on an invisible frame. */
5938 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5939 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5943 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5945 /* We can't distinguish this from iconification
5946 just by the event that we get from the server.
5947 So we can't win using the usual strategy of letting
5948 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5949 and synchronize with the server to make sure we agree. */
5951 FRAME_ICONIFIED_P (f
) = 0;
5952 f
->async_visible
= 0;
5953 f
->async_iconified
= 0;
5958 /* Change window state from mapped to iconified. */
5966 /* Don't keep the highlight on an invisible frame. */
5967 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5968 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5970 if (f
->async_iconified
)
5975 type
= x_icon_type (f
);
5977 x_bitmap_icon (f
, type
);
5979 /* Simulate the user minimizing the frame. */
5980 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5986 /* Free X resources of frame F. */
5989 x_free_frame_resources (f
)
5992 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5996 if (FRAME_W32_WINDOW (f
))
5997 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5999 free_frame_menubar (f
);
6001 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
6002 unload_color (f
, f
->output_data
.x
->background_pixel
);
6003 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6004 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6005 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6006 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6007 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6008 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6009 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6010 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6012 if (FRAME_FACE_CACHE (f
))
6013 free_frame_faces (f
);
6015 xfree (f
->output_data
.w32
);
6016 f
->output_data
.w32
= NULL
;
6018 if (f
== dpyinfo
->w32_focus_frame
)
6019 dpyinfo
->w32_focus_frame
= 0;
6020 if (f
== dpyinfo
->w32_focus_event_frame
)
6021 dpyinfo
->w32_focus_event_frame
= 0;
6022 if (f
== dpyinfo
->x_highlight_frame
)
6023 dpyinfo
->x_highlight_frame
= 0;
6025 if (f
== dpyinfo
->mouse_face_mouse_frame
)
6027 dpyinfo
->mouse_face_beg_row
6028 = dpyinfo
->mouse_face_beg_col
= -1;
6029 dpyinfo
->mouse_face_end_row
6030 = dpyinfo
->mouse_face_end_col
= -1;
6031 dpyinfo
->mouse_face_window
= Qnil
;
6032 dpyinfo
->mouse_face_deferred_gc
= 0;
6033 dpyinfo
->mouse_face_mouse_frame
= 0;
6040 /* Destroy the window of frame F. */
6042 x_destroy_window (f
)
6045 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6047 x_free_frame_resources (f
);
6049 dpyinfo
->reference_count
--;
6053 /* Setting window manager hints. */
6055 /* Set the normal size hints for the window manager, for frame F.
6056 FLAGS is the flags word to use--or 0 meaning preserve the flags
6057 that the window now has.
6058 If USER_POSITION is nonzero, we set the USPosition
6059 flag (this is useful when FLAGS is 0). */
6061 x_wm_set_size_hint (f
, flags
, user_position
)
6066 Window window
= FRAME_W32_WINDOW (f
);
6070 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6071 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6072 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6073 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6078 /* Window manager things */
6080 x_wm_set_icon_position (f
, icon_x
, icon_y
)
6085 Window window
= FRAME_W32_WINDOW (f
);
6087 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6088 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6089 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6091 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6096 /***********************************************************************
6098 ***********************************************************************/
6100 /* The following functions are listed here to help diff stay in step
6101 with xterm.c. See w32fns.c for definitions.
6103 x_get_font_info (f, font_idx)
6104 x_list_fonts (f, pattern, size, maxnames)
6110 /* Check that FONT is valid on frame F. It is if it can be found in F's
6114 x_check_font (f
, font
)
6119 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6121 xassert (font
!= NULL
);
6123 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6124 if (dpyinfo
->font_table
[i
].name
6125 && font
== dpyinfo
->font_table
[i
].font
)
6128 xassert (i
< dpyinfo
->n_fonts
);
6131 #endif /* GLYPH_DEBUG != 0 */
6133 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6134 Note: There are (broken) X fonts out there with invalid XFontStruct
6135 min_bounds contents. For example, handa@etl.go.jp reports that
6136 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6137 have font->min_bounds.width == 0. */
6140 x_font_min_bounds (font
, w
, h
)
6145 * TODO: Windows does not appear to offer min bound, only
6146 * average and maximum width, and maximum height.
6148 *h
= FONT_HEIGHT (font
);
6149 *w
= FONT_WIDTH (font
);
6153 /* Compute the smallest character width and smallest font height over
6154 all fonts available on frame F. Set the members smallest_char_width
6155 and smallest_font_height in F's x_display_info structure to
6156 the values computed. Value is non-zero if smallest_font_height or
6157 smallest_char_width become smaller than they were before. */
6160 x_compute_min_glyph_bounds (f
)
6164 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6166 int old_width
= dpyinfo
->smallest_char_width
;
6167 int old_height
= dpyinfo
->smallest_font_height
;
6169 dpyinfo
->smallest_font_height
= 100000;
6170 dpyinfo
->smallest_char_width
= 100000;
6172 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6173 if (dpyinfo
->font_table
[i
].name
)
6175 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6178 font
= (XFontStruct
*) fontp
->font
;
6179 xassert (font
!= (XFontStruct
*) ~0);
6180 x_font_min_bounds (font
, &w
, &h
);
6182 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6183 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6186 xassert (dpyinfo
->smallest_char_width
> 0
6187 && dpyinfo
->smallest_font_height
> 0);
6189 return (dpyinfo
->n_fonts
== 1
6190 || dpyinfo
->smallest_char_width
< old_width
6191 || dpyinfo
->smallest_font_height
< old_height
);
6194 /* The following functions are listed here to help diff stay in step
6195 with xterm.c. See w32fns.c for definitions.
6197 x_load_font (f, fontname, size)
6198 x_query_font (f, fontname)
6199 x_find_ccl_program (fontp)
6203 /***********************************************************************
6205 ***********************************************************************/
6207 static int w32_initialized
= 0;
6210 w32_initialize_display_info (display_name
)
6211 Lisp_Object display_name
;
6213 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6215 bzero (dpyinfo
, sizeof (*dpyinfo
));
6217 /* Put it on w32_display_name_list. */
6218 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6219 w32_display_name_list
);
6220 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6222 dpyinfo
->w32_id_name
6223 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6224 + SCHARS (Vsystem_name
)
6226 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6227 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6229 /* Default Console mode values - overridden when running in GUI mode
6230 with values obtained from system metrics. */
6233 dpyinfo
->height_in
= 1;
6234 dpyinfo
->width_in
= 1;
6235 dpyinfo
->n_planes
= 1;
6236 dpyinfo
->n_cbits
= 4;
6237 dpyinfo
->n_fonts
= 0;
6238 dpyinfo
->smallest_font_height
= 1;
6239 dpyinfo
->smallest_char_width
= 1;
6241 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6242 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6243 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6244 dpyinfo
->mouse_face_window
= Qnil
;
6245 dpyinfo
->mouse_face_overlay
= Qnil
;
6246 dpyinfo
->mouse_face_hidden
= 0;
6248 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6249 /* TODO: dpyinfo->gray */
6253 /* Create an xrdb-style database of resources to supercede registry settings.
6254 The database is just a concatenation of C strings, finished by an additional
6255 \0. The string are submitted to some basic normalization, so
6257 [ *]option[ *]:[ *]value...
6263 but any whitespace following value is not removed. */
6266 w32_make_rdb (xrm_option
)
6269 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6270 char *current
= buffer
;
6273 int before_value
= 0;
6287 if (in_option
&& (ch
== ':'))
6292 else if (before_value
)
6297 else if (!(in_option
|| before_value
))
6308 struct w32_display_info
*
6309 w32_term_init (display_name
, xrm_option
, resource_name
)
6310 Lisp_Object display_name
;
6312 char *resource_name
;
6314 struct w32_display_info
*dpyinfo
;
6319 if (!w32_initialized
)
6322 w32_initialized
= 1;
6325 w32_initialize_display_info (display_name
);
6327 dpyinfo
= &one_w32_display_info
;
6329 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6331 /* Put this display on the chain. */
6332 dpyinfo
->next
= x_display_list
;
6333 x_display_list
= dpyinfo
;
6335 hdc
= GetDC (GetDesktopWindow ());
6337 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6338 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6339 dpyinfo
->root_window
= GetDesktopWindow ();
6340 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6341 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6342 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6343 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6344 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6345 dpyinfo
->image_cache
= make_image_cache ();
6346 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6347 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6348 ReleaseDC (GetDesktopWindow (), hdc
);
6350 /* initialise palette with white and black */
6353 w32_defined_color (0, "white", &color
, 1);
6354 w32_defined_color (0, "black", &color
, 1);
6357 /* Create Fringe Bitmaps and store them for later use.
6359 On W32, bitmaps are all unsigned short, as Windows requires
6360 bitmap data to be Word aligned. For some reason they are
6361 horizontally reflected compared to how they appear on X, so we
6362 need to bitswap and convert to unsigned shorts before creating
6366 #ifndef F_SETOWN_BUG
6368 #ifdef F_SETOWN_SOCK_NEG
6369 /* stdin is a socket here */
6370 fcntl (connection
, F_SETOWN
, -getpid ());
6371 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6372 fcntl (connection
, F_SETOWN
, getpid ());
6373 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6374 #endif /* ! defined (F_SETOWN) */
6375 #endif /* F_SETOWN_BUG */
6378 if (interrupt_input
)
6379 init_sigio (connection
);
6380 #endif /* ! defined (SIGIO) */
6387 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6390 x_delete_display (dpyinfo
)
6391 struct w32_display_info
*dpyinfo
;
6393 /* Discard this display from w32_display_name_list and w32_display_list.
6394 We can't use Fdelq because that can quit. */
6395 if (! NILP (w32_display_name_list
)
6396 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6397 w32_display_name_list
= XCDR (w32_display_name_list
);
6402 tail
= w32_display_name_list
;
6403 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6405 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6407 XSETCDR (tail
, XCDR (XCDR (tail
)));
6414 /* free palette table */
6416 struct w32_palette_entry
* plist
;
6418 plist
= dpyinfo
->color_list
;
6421 struct w32_palette_entry
* pentry
= plist
;
6422 plist
= plist
->next
;
6425 dpyinfo
->color_list
= NULL
;
6426 if (dpyinfo
->palette
)
6427 DeleteObject(dpyinfo
->palette
);
6429 xfree (dpyinfo
->font_table
);
6430 xfree (dpyinfo
->w32_id_name
);
6432 w32_reset_fringes ();
6435 /* Set up use of W32. */
6437 DWORD
w32_msg_worker ();
6440 x_flush (struct frame
* f
)
6441 { /* Nothing to do */ }
6443 extern frame_parm_handler w32_frame_parm_handlers
[];
6445 static struct redisplay_interface w32_redisplay_interface
=
6447 w32_frame_parm_handlers
,
6451 x_clear_end_of_line
,
6453 x_after_update_window_line
,
6454 x_update_window_begin
,
6455 x_update_window_end
,
6458 0, /* flush_display_optional */
6459 x_clear_window_mouse_face
,
6460 w32_get_glyph_overhangs
,
6461 x_fix_overlapping_area
,
6462 w32_draw_fringe_bitmap
,
6463 w32_define_fringe_bitmap
,
6464 w32_destroy_fringe_bitmap
,
6465 w32_per_char_metric
,
6467 NULL
, /* w32_compute_glyph_string_overhangs */
6468 x_draw_glyph_string
,
6469 w32_define_frame_cursor
,
6470 w32_clear_frame_area
,
6471 w32_draw_window_cursor
,
6472 w32_draw_vertical_window_border
,
6473 w32_shift_glyphs_for_insert
6479 rif
= &w32_redisplay_interface
;
6481 /* MSVC does not type K&R functions with no arguments correctly, and
6482 so we must explicitly cast them. */
6483 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6484 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6485 update_begin_hook
= x_update_begin
;
6486 update_end_hook
= x_update_end
;
6488 read_socket_hook
= w32_read_socket
;
6490 frame_up_to_date_hook
= w32_frame_up_to_date
;
6492 mouse_position_hook
= w32_mouse_position
;
6493 frame_rehighlight_hook
= w32_frame_rehighlight
;
6494 frame_raise_lower_hook
= w32_frame_raise_lower
;
6495 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6496 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6497 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6498 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6500 scroll_region_ok
= 1; /* we'll scroll partial frames */
6501 char_ins_del_ok
= 1;
6502 line_ins_del_ok
= 1; /* we'll just blt 'em */
6503 fast_clear_end_of_line
= 1; /* X does this well */
6504 memory_below_frame
= 0; /* we don't remember what scrolls
6508 w32_system_caret_hwnd
= NULL
;
6509 w32_system_caret_height
= 0;
6510 w32_system_caret_x
= 0;
6511 w32_system_caret_y
= 0;
6513 /* Initialize w32_use_visible_system_caret based on whether a screen
6514 reader is in use. */
6515 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6516 &w32_use_visible_system_caret
, 0))
6517 w32_use_visible_system_caret
= 0;
6519 last_tool_bar_item
= -1;
6520 any_help_event_p
= 0;
6522 /* Initialize input mode: interrupt_input off, no flow control, allow
6523 8 bit character input, standard quit char. */
6524 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6526 /* Create the window thread - it will terminate itself or when the app terminates */
6530 dwMainThreadId
= GetCurrentThreadId ();
6531 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6532 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6534 /* Wait for thread to start */
6539 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6541 hWindowsThread
= CreateThread (NULL
, 0,
6542 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6543 0, 0, &dwWindowsThreadId
);
6545 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6548 /* It is desirable that mainThread should have the same notion of
6549 focus window and active window as windowsThread. Unfortunately, the
6550 following call to AttachThreadInput, which should do precisely what
6551 we need, causes major problems when Emacs is linked as a console
6552 program. Unfortunately, we have good reasons for doing that, so
6553 instead we need to send messages to windowsThread to make some API
6554 calls for us (ones that affect, or depend on, the active/focus
6556 #ifdef ATTACH_THREADS
6557 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6560 /* Dynamically link to optional system components. */
6562 HANDLE user_lib
= LoadLibrary ("user32.dll");
6563 HANDLE gdi_lib
= LoadLibrary ("gdi32.dll");
6564 UINT smoothing_type
;
6565 BOOL smoothing_enabled
;
6567 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6569 /* New proportional scroll bar functions. */
6570 LOAD_PROC (user_lib
, SetScrollInfo
);
6571 LOAD_PROC (user_lib
, GetScrollInfo
);
6572 LOAD_PROC (gdi_lib
, GetFontUnicodeRanges
);
6576 FreeLibrary (user_lib
);
6577 FreeLibrary (gdi_lib
);
6579 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6580 otherwise use the fixed height. */
6581 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6582 GetSystemMetrics (SM_CYVTHUMB
);
6584 /* For either kind of scroll bar, take account of the arrows; these
6585 effectively form the border of the main scroll bar range. */
6586 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6587 = GetSystemMetrics (SM_CYVSCROLL
);
6589 /* Constants that are not always defined by the system headers
6590 since they only exist on certain versions of Windows. */
6591 #ifndef SPI_GETFONTSMOOTHING
6592 #define SPI_GETFONTSMOOTHING 0x4A
6594 #ifndef SPI_GETFONTSMOOTHINGTYPE
6595 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6597 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6598 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6601 /* Determine if Cleartype is in use. Used to enable a hack in
6602 the char metric calculations which adds extra pixels to
6603 compensate for the "sub-pixels" that are not counted by the
6606 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6607 && smoothing_enabled
6608 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6609 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6616 staticpro (&w32_display_name_list
);
6617 w32_display_name_list
= Qnil
;
6619 staticpro (&last_mouse_scroll_bar
);
6620 last_mouse_scroll_bar
= Qnil
;
6622 staticpro (&Qvendor_specific_keysyms
);
6623 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6625 DEFVAR_INT ("w32-num-mouse-buttons",
6626 &w32_num_mouse_buttons
,
6627 doc
: /* Number of physical mouse buttons. */);
6628 w32_num_mouse_buttons
= 2;
6630 DEFVAR_LISP ("w32-swap-mouse-buttons",
6631 &Vw32_swap_mouse_buttons
,
6632 doc
: /* Swap the mapping of middle and right mouse buttons.
6633 When nil, middle button is mouse-2 and right button is mouse-3. */);
6634 Vw32_swap_mouse_buttons
= Qnil
;
6636 DEFVAR_LISP ("w32-grab-focus-on-raise",
6637 &Vw32_grab_focus_on_raise
,
6638 doc
: /* Raised frame grabs input focus.
6639 When t, `raise-frame' grabs input focus as well. This fits well
6640 with the normal Windows click-to-focus policy, but might not be
6641 desirable when using a point-to-focus policy. */);
6642 Vw32_grab_focus_on_raise
= Qt
;
6644 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6645 &Vw32_capslock_is_shiftlock
,
6646 doc
: /* Apply CapsLock state to non character input keys.
6647 When nil, CapsLock only affects normal character input keys. */);
6648 Vw32_capslock_is_shiftlock
= Qnil
;
6650 DEFVAR_LISP ("w32-recognize-altgr",
6651 &Vw32_recognize_altgr
,
6652 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6653 When nil, the right-alt and left-ctrl key combination is
6654 interpreted normally. */);
6655 Vw32_recognize_altgr
= Qt
;
6657 DEFVAR_BOOL ("w32-enable-unicode-output",
6658 &w32_enable_unicode_output
,
6659 doc
: /* Enable the use of Unicode for text output if non-nil.
6660 Unicode output may prevent some third party applications for displaying
6661 Far-East Languages on Windows 95/98 from working properly.
6662 NT uses Unicode internally anyway, so this flag will probably have no
6663 affect on NT machines. */);
6664 w32_enable_unicode_output
= 1;
6666 DEFVAR_BOOL ("w32-use-visible-system-caret",
6667 &w32_use_visible_system_caret
,
6668 doc
: /* Flag to make the system caret visible.
6669 When this is non-nil, Emacs will indicate the position of point by
6670 using the system caret instead of drawing its own cursor. Some screen
6671 reader software does not track the system cursor properly when it is
6672 invisible, and gets confused by Emacs drawing its own cursor, so this
6673 variable is initialized to t when Emacs detects that screen reader
6674 software is running as it starts up.
6676 When this variable is set, other variables affecting the appearance of
6677 the cursor have no effect. */);
6679 w32_use_visible_system_caret
= 0;
6681 /* We don't yet support this, but defining this here avoids whining
6682 from cus-start.el and other places, like "M-x set-variable". */
6683 DEFVAR_BOOL ("x-use-underline-position-properties",
6684 &x_use_underline_position_properties
,
6685 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6686 nil means ignore them. If you encounter fonts with bogus
6687 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6688 to 4.1, set this to nil.
6690 NOTE: Not supported on MS-Windows yet. */);
6691 x_use_underline_position_properties
= 0;
6693 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6694 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6695 Vx_toolkit_scroll_bars
= Qt
;
6697 staticpro (&last_mouse_motion_frame
);
6698 last_mouse_motion_frame
= Qnil
;
6701 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6702 (do not change this comment) */