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, 2006, 2007 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 /* Non-zero means to draw the underline at the same place as the descent line. */
98 int x_underline_at_descent_line
;
100 extern unsigned int msh_mousewheel
;
102 extern void free_frame_menubar ();
104 extern int w32_codepage_for_font (char *fontname
);
105 extern Cursor
w32_load_cursor (LPCTSTR name
);
107 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
108 unsigned char *text
, int dim
);
109 extern Lisp_Object Vwindow_system
;
111 #define x_any_window_to_frame x_window_to_frame
112 #define x_top_window_to_frame x_window_to_frame
115 /* This is display since w32 does not support multiple ones. */
116 struct w32_display_info one_w32_display_info
;
117 struct w32_display_info
*x_display_list
;
119 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
120 one for each element of w32_display_list and in the same order.
121 NAME is the name of the frame.
122 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
123 Lisp_Object w32_display_name_list
;
127 /* Pre Windows 2000, this was not available, but define it here so
128 that Emacs compiled on such a platform will run on newer versions. */
130 typedef struct tagWCRANGE
136 typedef struct tagGLYPHSET
140 DWORD cGlyphsSupported
;
147 /* Dynamic linking to GetFontUnicodeRanges (not available on 95, 98, ME). */
148 DWORD (PASCAL
*pfnGetFontUnicodeRanges
) (HDC device
, GLYPHSET
*ranges
);
150 /* Frame being updated by update_frame. This is declared in term.c.
151 This is set by update_begin and looked at by all the
152 w32 functions. It is zero while not inside an update.
153 In that case, the w32 functions assume that `SELECTED_FRAME ()'
154 is the frame to apply to. */
155 extern struct frame
*updating_frame
;
157 /* This is a frame waiting to be autoraised, within w32_read_socket. */
158 struct frame
*pending_autoraise_frame
;
160 /* The handle of the frame that currently owns the system caret. */
161 HWND w32_system_caret_hwnd
;
162 int w32_system_caret_height
;
163 int w32_system_caret_x
;
164 int w32_system_caret_y
;
165 int w32_use_visible_system_caret
;
167 /* Flag to enable Unicode output in case users wish to use programs
168 like Twinbridge on '95 rather than installed system level support
169 for Far East languages. */
170 int w32_enable_unicode_output
;
172 /* Flag to enable Cleartype hack for font metrics. */
173 static int cleartype_active
;
175 DWORD dwWindowsThreadId
= 0;
176 HANDLE hWindowsThread
= NULL
;
177 DWORD dwMainThreadId
= 0;
178 HANDLE hMainThread
= NULL
;
180 int vertical_scroll_bar_min_handle
;
181 int vertical_scroll_bar_top_border
;
182 int vertical_scroll_bar_bottom_border
;
184 int last_scroll_bar_drag_pos
;
186 /* Mouse movement. */
188 /* Where the mouse was last time we reported a mouse event. */
190 static RECT last_mouse_glyph
;
191 static FRAME_PTR last_mouse_glyph_frame
;
192 static Lisp_Object last_mouse_press_frame
;
194 int w32_num_mouse_buttons
;
196 Lisp_Object Vw32_swap_mouse_buttons
;
198 /* Control whether x_raise_frame also sets input focus. */
199 Lisp_Object Vw32_grab_focus_on_raise
;
201 /* Control whether Caps Lock affects non-ascii characters. */
202 Lisp_Object Vw32_capslock_is_shiftlock
;
204 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
205 Lisp_Object Vw32_recognize_altgr
;
207 /* The scroll bar in which the last motion event occurred.
209 If the last motion event occurred in a scroll bar, we set this
210 so w32_mouse_position can know whether to report a scroll bar motion or
213 If the last motion event didn't occur in a scroll bar, we set this
214 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
215 static Lisp_Object last_mouse_scroll_bar
;
216 static int last_mouse_scroll_bar_pos
;
218 /* This is a hack. We would really prefer that w32_mouse_position would
219 return the time associated with the position it returns, but there
220 doesn't seem to be any way to wrest the time-stamp from the server
221 along with the position query. So, we just keep track of the time
222 of the last movement we received, and return that in hopes that
223 it's somewhat accurate. */
225 static Time last_mouse_movement_time
;
227 /* Incremented by w32_read_socket whenever it really tries to read
231 static int volatile input_signal_count
;
233 static int input_signal_count
;
236 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
242 /* A mask of extra modifier bits to put into every keyboard char. */
244 extern EMACS_INT extra_keyboard_modifiers
;
246 static void x_update_window_end
P_ ((struct window
*, int, int));
247 void w32_delete_display
P_ ((struct w32_display_info
*));
248 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
249 struct input_event
*));
250 void w32_define_cursor
P_ ((Window
, Cursor
));
252 void x_lower_frame
P_ ((struct frame
*));
253 void x_scroll_bar_clear
P_ ((struct frame
*));
254 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
255 void x_raise_frame
P_ ((struct frame
*));
256 void x_set_window_size
P_ ((struct frame
*, int, int, int));
257 void x_wm_set_window_state
P_ ((struct frame
*, int));
258 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
259 void w32_initialize
P_ ((void));
260 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
261 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
262 static void x_update_end
P_ ((struct frame
*));
263 static void w32_frame_up_to_date
P_ ((struct frame
*));
264 static void w32_set_terminal_modes
P_ ((void));
265 static void w32_reset_terminal_modes
P_ ((void));
266 static void x_clear_frame
P_ ((void));
267 static void frame_highlight
P_ ((struct frame
*));
268 static void frame_unhighlight
P_ ((struct frame
*));
269 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
271 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
272 struct frame
*, struct input_event
*));
273 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
274 W32Msg
*, struct input_event
*));
275 static void w32_frame_rehighlight
P_ ((struct frame
*));
276 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
277 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
278 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
279 enum text_cursor_kinds
));
280 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
281 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
282 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
283 static void my_set_focus
P_ ((struct frame
*, HWND
));
284 static void my_set_foreground_window
P_ ((HWND
));
285 static void my_destroy_window
P_ ((struct frame
*, HWND
));
287 static Lisp_Object Qvendor_specific_keysyms
;
290 /***********************************************************************
292 ***********************************************************************/
296 /* This is a function useful for recording debugging information about
297 the sequence of occurrences in this file. */
305 struct record event_record
[100];
307 int event_record_index
;
309 record_event (locus
, type
)
313 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
314 event_record_index
= 0;
316 event_record
[event_record_index
].locus
= locus
;
317 event_record
[event_record_index
].type
= type
;
318 event_record_index
++;
325 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
328 if (mask
& GCForeground
)
329 gc
->foreground
= xgcv
->foreground
;
330 if (mask
& GCBackground
)
331 gc
->background
= xgcv
->background
;
333 gc
->font
= xgcv
->font
;
336 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
339 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
340 bzero (gc
, sizeof (XGCValues
));
342 XChangeGC (ignore
, gc
, mask
, xgcv
);
348 XGetGCValues (void* ignore
, XGCValues
*gc
,
349 unsigned long mask
, XGCValues
*xgcv
)
351 XChangeGC (ignore
, xgcv
, mask
, gc
);
355 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
359 HRGN clip_region
= CreateRectRgnIndirect (rect
);
360 SelectClipRgn (hdc
, clip_region
);
361 DeleteObject (clip_region
);
364 SelectClipRgn (hdc
, NULL
);
368 /* Draw a hollow rectangle at the specified position. */
370 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
371 int width
, int height
)
376 hb
= CreateSolidBrush (gc
->background
);
377 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
378 oldhb
= SelectObject (hdc
, hb
);
379 oldhp
= SelectObject (hdc
, hp
);
381 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
383 SelectObject (hdc
, oldhb
);
384 SelectObject (hdc
, oldhp
);
389 /* Draw a filled rectangle at the specified position. */
391 w32_fill_rect (f
, hdc
, pix
, lprect
)
399 hb
= CreateSolidBrush (pix
);
400 FillRect (hdc
, lprect
, hb
);
409 HDC hdc
= get_frame_dc (f
);
411 /* Under certain conditions, this can be called at startup with
412 a console frame pointer before the GUI frame is created. An HDC
413 of 0 indicates this. */
416 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
417 w32_clear_rect (f
, hdc
, &rect
);
420 release_frame_dc (f
, hdc
);
424 /***********************************************************************
425 Starting and ending an update
426 ***********************************************************************/
428 /* Start an update of frame F. This function is installed as a hook
429 for update_begin, i.e. it is called when update_begin is called.
430 This function is called prior to calls to x_update_window_begin for
431 each window being updated. */
437 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
439 if (! FRAME_W32_P (f
))
442 /* Regenerate display palette before drawing if list of requested
443 colors has changed. */
444 if (display_info
->regen_palette
)
446 w32_regenerate_palette (f
);
447 display_info
->regen_palette
= FALSE
;
452 /* Start update of window W. Set the global variable updated_window
453 to the window being updated and set output_cursor to the cursor
457 x_update_window_begin (w
)
460 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
461 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
463 /* Hide the system caret during an update. */
464 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
466 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
470 set_output_cursor (&w
->cursor
);
474 if (f
== display_info
->mouse_face_mouse_frame
)
476 /* Don't do highlighting for mouse motion during the update. */
477 display_info
->mouse_face_defer
= 1;
479 /* If F needs to be redrawn, simply forget about any prior mouse
481 if (FRAME_GARBAGED_P (f
))
482 display_info
->mouse_face_window
= Qnil
;
484 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
485 their mouse_face_p flag set, which means that they are always
486 unequal to rows in a desired matrix which never have that
487 flag set. So, rows containing mouse-face glyphs are never
488 scrolled, and we don't have to switch the mouse highlight off
489 here to prevent it from being scrolled. */
491 /* Can we tell that this update does not affect the window
492 where the mouse highlight is? If so, no need to turn off.
493 Likewise, don't do anything if the frame is garbaged;
494 in that case, the frame's current matrix that we would use
495 is all wrong, and we will redisplay that line anyway. */
496 if (!NILP (display_info
->mouse_face_window
)
497 && w
== XWINDOW (display_info
->mouse_face_window
))
501 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
502 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
505 if (i
< w
->desired_matrix
->nrows
)
506 clear_mouse_face (display_info
);
514 /* Draw a vertical window border from (x,y0) to (x,y1) */
517 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
521 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
531 hdc
= get_frame_dc (f
);
532 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
534 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
536 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
538 release_frame_dc (f
, hdc
);
542 /* End update of window W (which is equal to updated_window).
544 Draw vertical borders between horizontally adjacent windows, and
545 display W's cursor if CURSOR_ON_P is non-zero.
547 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
548 glyphs in mouse-face were overwritten. In that case we have to
549 make sure that the mouse-highlight is properly redrawn.
551 W may be a menu bar pseudo-window in case we don't have X toolkit
552 support. Such windows don't have a cursor, so don't display it
556 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
558 int cursor_on_p
, mouse_face_overwritten_p
;
560 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
562 if (!w
->pseudo_window_p
)
567 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
569 output_cursor
.x
, output_cursor
.y
);
571 if (draw_window_fringes (w
, 1))
572 x_draw_vertical_border (w
);
577 /* If a row with mouse-face was overwritten, arrange for
578 XTframe_up_to_date to redisplay the mouse highlight. */
579 if (mouse_face_overwritten_p
)
581 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
582 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
583 dpyinfo
->mouse_face_window
= Qnil
;
586 /* Unhide the caret. This won't actually show the cursor, unless it
587 was visible before the corresponding call to HideCaret in
588 x_update_window_begin. */
589 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
591 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
594 updated_window
= NULL
;
598 /* End update of frame F. This function is installed as a hook in
605 if (! FRAME_W32_P (f
))
608 /* Mouse highlight may be displayed again. */
609 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
613 /* This function is called from various places in xdisp.c whenever a
614 complete update has been performed. The global variable
615 updated_window is not available here. */
618 w32_frame_up_to_date (f
)
623 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
625 if (dpyinfo
->mouse_face_deferred_gc
626 || f
== dpyinfo
->mouse_face_mouse_frame
)
629 if (dpyinfo
->mouse_face_mouse_frame
)
630 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
631 dpyinfo
->mouse_face_mouse_x
,
632 dpyinfo
->mouse_face_mouse_y
);
633 dpyinfo
->mouse_face_deferred_gc
= 0;
640 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
641 arrow bitmaps, or clear the fringes if no bitmaps are required
642 before DESIRED_ROW is made current. The window being updated is
643 found in updated_window. This function is called from
644 update_window_line only if it is known that there are differences
645 between bitmaps to be drawn between current row and DESIRED_ROW. */
648 x_after_update_window_line (desired_row
)
649 struct glyph_row
*desired_row
;
651 struct window
*w
= updated_window
;
657 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
658 desired_row
->redraw_fringe_bitmaps_p
= 1;
660 /* When a window has disappeared, make sure that no rest of
661 full-width rows stays visible in the internal border. Could
662 check here if updated_window is the leftmost/rightmost window,
663 but I guess it's not worth doing since vertically split windows
664 are almost never used, internal border is rarely set, and the
665 overhead is very small. */
666 if (windows_or_buffers_changed
667 && desired_row
->full_width_p
668 && (f
= XFRAME (w
->frame
),
669 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
671 && (height
= desired_row
->visible_height
,
674 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
676 /* Internal border is drawn below the tool bar. */
677 if (WINDOWP (f
->tool_bar_window
)
678 && w
== XWINDOW (f
->tool_bar_window
))
683 HDC hdc
= get_frame_dc (f
);
684 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
685 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
687 release_frame_dc (f
, hdc
);
694 /* Draw the bitmap WHICH in one of the left or right fringes of
695 window W. ROW is the glyph row for which to display the bitmap; it
696 determines the vertical position at which the bitmap has to be
700 w32_draw_fringe_bitmap (w
, row
, p
)
702 struct glyph_row
*row
;
703 struct draw_fringe_bitmap_params
*p
;
705 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
707 struct face
*face
= p
->face
;
710 hdc
= get_frame_dc (f
);
712 /* Must clip because of partially visible lines. */
713 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
716 /* Adjust position of "bottom aligned" bitmap on partially
719 int oldVH
= row
->visible_height
;
720 row
->visible_height
= p
->h
;
721 row
->y
-= rowY
- p
->y
;
722 w32_clip_to_row (w
, row
, -1, hdc
);
724 row
->visible_height
= oldVH
;
727 w32_clip_to_row (w
, row
, -1, hdc
);
729 if (p
->bx
>= 0 && !p
->overlay_p
)
731 w32_fill_area (f
, hdc
, face
->background
,
732 p
->bx
, p
->by
, p
->nx
, p
->ny
);
735 if (p
->which
&& p
->which
< max_fringe_bmp
)
737 HBITMAP pixmap
= fringe_bmp
[p
->which
];
741 compat_hdc
= CreateCompatibleDC (hdc
);
745 horig_obj
= SelectObject (compat_hdc
, pixmap
);
747 /* Paint overlays transparently. */
750 HBRUSH h_brush
, h_orig_brush
;
752 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
753 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
754 h_brush
= CreateSolidBrush (face
->foreground
);
755 h_orig_brush
= SelectObject (hdc
, h_brush
);
757 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
758 compat_hdc
, 0, p
->dh
,
760 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
761 compat_hdc
, 0, p
->dh
,
763 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
764 compat_hdc
, 0, p
->dh
,
767 SelectObject (hdc
, h_orig_brush
);
768 DeleteObject (h_brush
);
772 SetTextColor (hdc
, face
->background
);
773 SetBkColor (hdc
, (p
->cursor_p
774 ? f
->output_data
.w32
->cursor_pixel
775 : face
->foreground
));
777 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
778 compat_hdc
, 0, p
->dh
,
782 SelectObject (compat_hdc
, horig_obj
);
783 DeleteDC (compat_hdc
);
787 w32_set_clip_rectangle (hdc
, NULL
);
789 release_frame_dc (f
, hdc
);
793 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
795 unsigned short *bits
;
798 if (which
>= max_fringe_bmp
)
800 int i
= max_fringe_bmp
;
801 max_fringe_bmp
= which
+ 20;
802 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
803 while (i
< max_fringe_bmp
)
807 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
811 w32_destroy_fringe_bitmap (which
)
814 if (which
>= max_fringe_bmp
)
817 if (fringe_bmp
[which
])
818 DeleteObject (fringe_bmp
[which
]);
819 fringe_bmp
[which
] = 0;
824 /* This is called when starting Emacs and when restarting after
825 suspend. When starting Emacs, no window is mapped. And nothing
826 must be done to Emacs's own window if it is suspended (though that
830 w32_set_terminal_modes (void)
834 /* This is called when exiting or suspending Emacs. Exiting will make
835 the W32 windows go away, and suspending requires no action. */
838 w32_reset_terminal_modes (void)
844 /***********************************************************************
846 ***********************************************************************/
848 /* Function prototypes of this page. */
850 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
851 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*,
852 struct charset
*, int *));
855 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
856 If CHAR2B is not contained in FONT, the font's default character
857 metric is returned. */
860 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
866 glyph_metric
* bdf_metric
;
870 buf
[0] = (char)(*char2b
);
873 buf
[0] = XCHAR2B_BYTE1 (char2b
);
874 buf
[1] = XCHAR2B_BYTE2 (char2b
);
877 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
881 pcm
->width
= bdf_metric
->dwidth
;
882 pcm
->lbearing
= bdf_metric
->bbox
;
883 pcm
->rbearing
= bdf_metric
->dwidth
884 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
885 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
886 pcm
->descent
= -bdf_metric
->bboy
;
895 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
898 enum w32_char_font_type font_type
;
901 HDC hdc
= GetDC (NULL
);
905 xassert (font
&& char2b
);
906 xassert (font
->hfont
);
907 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
909 old_font
= SelectObject (hdc
, font
->hfont
);
911 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
915 if (font_type
== UNICODE_FONT
)
916 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
918 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
923 /* Disabled until we can find a way to get the right results
924 on all versions of Windows. */
926 /* Don't trust the ABC widths. For synthesized fonts they are
927 wrong, and so is the result of GetCharWidth()! */
929 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
931 if (cleartype_active
)
933 /* Cleartype antialiasing causes characters to overhang
934 by a pixel on each side compared with what GetCharABCWidths
936 char_widths
.abcA
-= 1;
937 char_widths
.abcC
-= 1;
938 char_widths
.abcB
+= 2;
941 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
943 /* As far as I can tell, this is the best way to determine what
944 ExtTextOut will do with the broken font. */
945 if (pcm
->width
!= real_width
)
946 pcm
->width
= (pcm
->width
+ real_width
) / 2;
948 pcm
->lbearing
= char_widths
.abcA
;
949 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
950 pcm
->ascent
= FONT_BASE (font
);
951 pcm
->descent
= FONT_DESCENT (font
);
957 /* Either font is not a True-type font, or GetCharABCWidthsW
958 failed (it is not supported on Windows 9x for instance), so we
959 can't determine the full info we would like. All is not lost
960 though - we can call GetTextExtentPoint32 to get rbearing and
961 deduce width based on the font's per-string overhang. lbearing
962 is assumed to be zero. */
964 /* TODO: Some Thai characters (and other composites if Windows
965 supports them) do have lbearing, and report their total width
966 as zero. Need some way of handling them when
967 GetCharABCWidthsW fails. */
970 if (font_type
== UNICODE_FONT
)
971 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
973 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
977 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
978 pcm
->rbearing
= sz
.cx
;
980 pcm
->ascent
= FONT_BASE (font
);
981 pcm
->descent
= FONT_DESCENT (font
);
986 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
991 SelectObject (hdc
, old_font
);
992 ReleaseDC (NULL
, hdc
);
999 w32_per_char_metric (font
, char2b
, font_type
)
1002 int /* enum w32_char_font_type */ font_type
;
1004 /* The result metric information. */
1008 xassert (font
&& char2b
);
1010 /* TODO: This function is currently called through the RIF, and in
1011 some cases font_type is UNKNOWN_FONT. We currently allow the
1012 cached metrics to be used, which seems to work, but in cases
1013 where font_type is UNKNOWN_FONT, we probably haven't encoded
1014 char2b appropriately. All callers need checking to see what they
1015 are passing. This is most likely to affect variable width fonts
1016 outside the Latin-1 range, particularly in languages like Thai
1017 that rely on rbearing and lbearing to provide composition. I
1018 don't think that is working currently anyway, but we don't seem
1019 to have anyone testing such languages on Windows. */
1021 /* Handle the common cases quickly. */
1022 if (!font
->bdf
&& font
->per_char
== NULL
)
1023 /* TODO: determine whether char2b exists in font? */
1024 return &font
->max_bounds
;
1025 else if (!font
->bdf
&& *char2b
< 128)
1026 return &font
->per_char
[*char2b
];
1028 xassert (font_type
!= UNKNOWN_FONT
);
1030 pcm
= &font
->scratch
;
1032 if (font_type
== BDF_1D_FONT
)
1033 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1034 else if (font_type
== BDF_2D_FONT
)
1035 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1037 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1046 w32_cache_char_metrics (font
)
1049 wchar_t char2b
= L
'x';
1051 /* Cache char metrics for the common cases. */
1054 /* TODO: determine whether font is fixed-pitch. */
1055 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1057 /* Use the font width and height as max bounds, as not all BDF
1058 fonts contain the letter 'x'. */
1059 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1060 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1061 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1062 font
->max_bounds
.ascent
= FONT_BASE (font
);
1063 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1068 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1069 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1070 though they contain characters of different widths. */
1071 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1073 /* Font is not fixed pitch, so cache per_char info for the
1074 ASCII characters. It would be much more work, and probably
1075 not worth it, to cache other chars, since we may change
1076 between using Unicode and ANSI text drawing functions at
1080 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1081 for (i
= 0; i
< 128; i
++)
1084 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1085 &font
->per_char
[i
]);
1089 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1095 /* Determine if a font is double byte. */
1096 int w32_font_is_double_byte (XFontStruct
*font
)
1098 return font
->double_byte_p
;
1103 w32_use_unicode_for_codepage (codepage
)
1106 /* If the current codepage is supported, use Unicode for output. */
1107 return (w32_enable_unicode_output
1108 && codepage
!= CP_8BIT
1109 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1112 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1113 the two-byte form of C. Encoding is returned in *CHAR2B. */
1115 static int /* enum w32_char_font_type */
1116 w32_encode_char (c
, char2b
, font_info
, charset
, two_byte_p
)
1119 struct font_info
*font_info
;
1120 struct charset
*charset
;
1125 int internal_two_byte_p
= 0;
1127 XFontStruct
*font
= font_info
->font
;
1129 internal_two_byte_p
= w32_font_is_double_byte (font
);
1130 codepage
= font_info
->codepage
;
1132 /* If font can output unicode, use the original unicode character. */
1133 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1138 internal_two_byte_p
= 1;
1141 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1142 This may be either a program in a special encoder language or a
1144 else if (font_info
->font_encoder
)
1146 /* It's a program. */
1147 struct ccl_program
*ccl
= font_info
->font_encoder
;
1149 if (CHARSET_DIMENSION (charset
) == 1)
1151 ccl
->reg
[0] = CHARSET_ID (charset
);
1152 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1157 ccl
->reg
[0] = CHARSET_ID (charset
);
1158 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1159 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1162 ccl_driver (ccl
, NULL
, NULL
, 0, 0, Qnil
);
1164 /* We assume that MSBs are appropriately set/reset by CCL
1166 if (!internal_two_byte_p
) /* 1-byte font */
1167 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1169 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1171 else if (font_info
->encoding_type
)
1173 /* Fixed encoding scheme. See fontset.h for the meaning of the
1174 encoding numbers. */
1175 unsigned char enc
= font_info
->encoding_type
;
1177 if ((enc
== 1 || enc
== 2)
1178 && CHARSET_DIMENSION (charset
) == 2)
1179 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1181 if (enc
== 1 || enc
== 3 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1182 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1185 int code
= (int) (*char2b
);
1188 STORE_XCHAR2B (char2b
, (code
>> 8), (code
& 0xFF));
1193 *two_byte_p
= internal_two_byte_p
;
1196 return UNKNOWN_FONT
;
1197 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1202 return UNICODE_FONT
;
1208 /* Return a char-table whose elements are t if the font FONT_INFO
1209 contains a glyph for the corresponding character, and nil if not.
1211 Fixme: For the moment, this function works only for fonts whose
1212 glyph encoding is the same as Unicode (e.g. ISO10646-1 fonts). */
1215 x_get_font_repertory (f
, font_info
)
1217 struct font_info
*font_info
;
1219 XFontStruct
*font
= (XFontStruct
*) font_info
->font
;
1221 int min_byte1
, max_byte1
, min_byte2
, max_byte2
;
1223 table
= Fmake_char_table (Qnil
, Qnil
);
1225 if (!font
->bdf
&& pfnGetFontUnicodeRanges
)
1228 DWORD glyphset_size
;
1229 HDC display
= get_frame_dc (f
);
1233 prev_font
= SelectObject (display
, font
->hfont
);
1235 /* First call GetFontUnicodeRanges to find out how big a structure
1237 glyphset_size
= pfnGetFontUnicodeRanges (display
, NULL
);
1240 glyphset
= (GLYPHSET
*) alloca (glyphset_size
);
1241 glyphset
->cbThis
= glyphset_size
;
1243 /* Now call it again to get the ranges. */
1244 glyphset_size
= pfnGetFontUnicodeRanges (display
, glyphset
);
1248 /* Store the ranges in TABLE. */
1249 for (i
= 0; i
< glyphset
->cRanges
; i
++)
1251 int from
= glyphset
->ranges
[i
].wcLow
;
1252 int to
= from
+ glyphset
->ranges
[i
].cGlyphs
- 1;
1253 char_table_set_range (table
, from
, to
, Qt
);
1258 SelectObject (display
, prev_font
);
1259 release_frame_dc (f
, display
);
1261 /* If we got the information we wanted above, then return it. */
1266 #if 0 /* TODO: Convert to work on Windows so BDF and older platforms work. */
1267 /* When GetFontUnicodeRanges is not available or does not work,
1268 work it out manually. */
1269 min_byte1
= font
->min_byte1
;
1270 max_byte1
= font
->max_byte1
;
1271 min_byte2
= font
->min_char_or_byte2
;
1272 max_byte2
= font
->max_char_or_byte2
;
1273 if (min_byte1
== 0 && max_byte1
== 0)
1275 if (! font
->per_char
|| font
->all_chars_exist
== True
)
1276 char_table_set_range (table
, min_byte2
, max_byte2
, Qt
);
1279 XCharStruct
*pcm
= font
->per_char
;
1283 for (i
= min_byte2
; i
<= max_byte2
; i
++, pcm
++)
1285 if (pcm
->width
== 0 && pcm
->rbearing
== pcm
->lbearing
)
1289 char_table_set_range (table
, from
, i
- 1, Qt
);
1297 char_table_set_range (table
, from
, i
- 1, Qt
);
1302 if (! font
->per_char
|| font
->all_chars_exist
== True
)
1306 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1307 char_table_set_range (table
,
1308 (i
<< 8) | min_byte2
, (i
<< 8) | max_byte2
,
1313 XCharStruct
*pcm
= font
->per_char
;
1316 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1321 for (j
= min_byte2
; j
<= max_byte2
; j
++, pcm
++)
1323 if (pcm
->width
== 0 && pcm
->rbearing
== pcm
->lbearing
)
1327 char_table_set_range (table
, (i
<< 8) | from
,
1328 (i
<< 8) | (j
- 1), Qt
);
1336 char_table_set_range (table
, (i
<< 8) | from
,
1337 (i
<< 8) | (j
- 1), Qt
);
1346 /***********************************************************************
1348 ***********************************************************************/
1351 /* Encapsulate the different ways of displaying text under W32. */
1354 w32_text_out (s
, x
, y
,chars
,nchars
)
1355 struct glyph_string
* s
;
1360 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1362 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1363 x
, y
, (char *) chars
, charset_dim
,
1364 nchars
* charset_dim
, 0);
1365 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1366 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1368 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1369 nchars
* charset_dim
, NULL
);
1373 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1374 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1375 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1377 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1378 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1379 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1380 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1381 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1382 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1383 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1384 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1385 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1386 double, int, COLORREF
));
1387 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1388 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1389 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1390 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1391 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1392 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1394 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1395 int, int, int, int, int, int,
1397 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1398 int, int, int, RECT
*));
1401 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1405 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1410 struct glyph_string
*s
;
1412 if (s
->font
== FRAME_FONT (s
->f
)
1413 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1414 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1416 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1419 /* Cursor on non-default face: must merge. */
1423 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1424 xgcv
.foreground
= s
->face
->background
;
1426 /* If the glyph would be invisible, try a different foreground. */
1427 if (xgcv
.foreground
== xgcv
.background
)
1428 xgcv
.foreground
= s
->face
->foreground
;
1429 if (xgcv
.foreground
== xgcv
.background
)
1430 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1431 if (xgcv
.foreground
== xgcv
.background
)
1432 xgcv
.foreground
= s
->face
->foreground
;
1434 /* Make sure the cursor is distinct from text in this face. */
1435 if (xgcv
.background
== s
->face
->background
1436 && xgcv
.foreground
== s
->face
->foreground
)
1438 xgcv
.background
= s
->face
->foreground
;
1439 xgcv
.foreground
= s
->face
->background
;
1442 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1443 xgcv
.font
= s
->font
;
1444 mask
= GCForeground
| GCBackground
| GCFont
;
1446 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1447 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1450 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1451 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1453 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1458 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1461 x_set_mouse_face_gc (s
)
1462 struct glyph_string
*s
;
1467 /* What face has to be used last for the mouse face? */
1468 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1469 face
= FACE_FROM_ID (s
->f
, face_id
);
1471 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1473 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1474 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1476 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1477 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1478 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1480 /* If font in this face is same as S->font, use it. */
1481 if (s
->font
== s
->face
->font
)
1482 s
->gc
= s
->face
->gc
;
1485 /* Otherwise construct scratch_cursor_gc with values from FACE
1490 xgcv
.background
= s
->face
->background
;
1491 xgcv
.foreground
= s
->face
->foreground
;
1492 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1493 xgcv
.font
= s
->font
;
1494 mask
= GCForeground
| GCBackground
| GCFont
;
1496 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1497 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1500 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1501 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1503 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1506 xassert (s
->gc
!= 0);
1510 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1511 Faces to use in the mode line have already been computed when the
1512 matrix was built, so there isn't much to do, here. */
1515 x_set_mode_line_face_gc (s
)
1516 struct glyph_string
*s
;
1518 s
->gc
= s
->face
->gc
;
1522 /* Set S->gc of glyph string S for drawing that glyph string. Set
1523 S->stippled_p to a non-zero value if the face of S has a stipple
1527 x_set_glyph_string_gc (s
)
1528 struct glyph_string
*s
;
1530 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1532 if (s
->hl
== DRAW_NORMAL_TEXT
)
1534 s
->gc
= s
->face
->gc
;
1535 s
->stippled_p
= s
->face
->stipple
!= 0;
1537 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1539 x_set_mode_line_face_gc (s
);
1540 s
->stippled_p
= s
->face
->stipple
!= 0;
1542 else if (s
->hl
== DRAW_CURSOR
)
1544 x_set_cursor_gc (s
);
1547 else if (s
->hl
== DRAW_MOUSE_FACE
)
1549 x_set_mouse_face_gc (s
);
1550 s
->stippled_p
= s
->face
->stipple
!= 0;
1552 else if (s
->hl
== DRAW_IMAGE_RAISED
1553 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1555 s
->gc
= s
->face
->gc
;
1556 s
->stippled_p
= s
->face
->stipple
!= 0;
1560 s
->gc
= s
->face
->gc
;
1561 s
->stippled_p
= s
->face
->stipple
!= 0;
1564 /* GC must have been set. */
1565 xassert (s
->gc
!= 0);
1569 /* Set clipping for output of glyph string S. S may be part of a mode
1570 line or menu if we don't have X toolkit support. */
1573 x_set_glyph_string_clipping (s
)
1574 struct glyph_string
*s
;
1577 get_glyph_string_clip_rect (s
, &r
);
1578 w32_set_clip_rectangle (s
->hdc
, &r
);
1583 Compute left and right overhang of glyph string S. If S is a glyph
1584 string for a composition, assume overhangs don't exist. */
1587 w32_compute_glyph_string_overhangs (s
)
1588 struct glyph_string
*s
;
1590 /* TODO: Windows does not appear to have a method for
1591 getting this info without getting the ABC widths for each
1592 individual character and working it out manually. */
1597 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1598 struct glyph
*glyph
;
1602 HDC hdc
= get_frame_dc (f
);
1603 /* Convert to unicode! */
1604 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1605 release_frame_dc (f
, hdc
);
1609 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1612 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1613 struct glyph_string
*s
;
1621 /* Take clipping into account. */
1622 if (s
->gc
->clip_mask
== Rect
)
1624 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1625 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1626 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1627 - s
->gc
->clip_rectangle
.left
);
1628 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1629 - s
->gc
->clip_rectangle
.top
);
1632 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1637 /* Draw the background of glyph_string S. If S->background_filled_p
1638 is non-zero don't draw it. FORCE_P non-zero means draw the
1639 background even if it wouldn't be drawn normally. This is used
1640 when a string preceding S draws into the background of S, or S
1641 contains the first component of a composition. */
1644 x_draw_glyph_string_background (s
, force_p
)
1645 struct glyph_string
*s
;
1648 /* Nothing to do if background has already been drawn or if it
1649 shouldn't be drawn in the first place. */
1650 if (!s
->background_filled_p
)
1652 int box_line_width
= max (s
->face
->box_line_width
, 0);
1654 #if 0 /* TODO: stipple */
1657 /* Fill background with a stipple pattern. */
1658 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1659 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1660 s
->y
+ box_line_width
,
1661 s
->background_width
,
1662 s
->height
- 2 * box_line_width
);
1663 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1664 s
->background_filled_p
= 1;
1668 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1669 || s
->font_not_found_p
1670 || s
->extends_to_end_of_line_p
1674 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1675 s
->background_width
,
1676 s
->height
- 2 * box_line_width
);
1677 s
->background_filled_p
= 1;
1683 /* Draw the foreground of glyph string S. */
1686 x_draw_glyph_string_foreground (s
)
1687 struct glyph_string
*s
;
1692 /* If first glyph of S has a left box line, start drawing the text
1693 of S to the right of that box line. */
1694 if (s
->face
->box
!= FACE_NO_BOX
1695 && s
->first_glyph
->left_box_line_p
)
1696 x
= s
->x
+ abs (s
->face
->box_line_width
);
1700 if (s
->for_overlaps
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1701 SetBkMode (s
->hdc
, TRANSPARENT
);
1703 SetBkMode (s
->hdc
, OPAQUE
);
1705 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1706 SetBkColor (s
->hdc
, s
->gc
->background
);
1707 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1709 if (s
->font
&& s
->font
->hfont
)
1710 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1712 /* Draw characters of S as rectangles if S's font could not be
1714 if (s
->font_not_found_p
)
1716 for (i
= 0; i
< s
->nchars
; ++i
)
1718 struct glyph
*g
= s
->first_glyph
+ i
;
1720 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1722 x
+= g
->pixel_width
;
1727 char *char1b
= (char *) s
->char2b
;
1728 int boff
= s
->font_info
->baseline_offset
;
1730 if (s
->font_info
->vertical_centering
)
1731 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1733 /* If we can use 8-bit functions, condense S->char2b. */
1735 for (i
= 0; i
< s
->nchars
; ++i
)
1736 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1738 /* Draw text with TextOut and friends. */
1739 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1741 if (s
->face
->overstrike
)
1743 /* For overstriking (to simulate bold-face), draw the
1744 characters again shifted to the right by one pixel. */
1745 int old_BkMode
= SetBkMode (s
->hdc
, TRANSPARENT
);
1746 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1747 if (old_BkMode
&& old_BkMode
!= TRANSPARENT
)
1748 SetBkMode (s
->hdc
, old_BkMode
);
1751 if (s
->font
&& s
->font
->hfont
)
1752 SelectObject (s
->hdc
, old_font
);
1755 /* Draw the foreground of composite glyph string S. */
1758 x_draw_composite_glyph_string_foreground (s
)
1759 struct glyph_string
*s
;
1764 /* If first glyph of S has a left box line, start drawing the text
1765 of S to the right of that box line. */
1766 if (s
->face
->box
!= FACE_NO_BOX
1767 && s
->first_glyph
->left_box_line_p
)
1768 x
= s
->x
+ abs (s
->face
->box_line_width
);
1772 /* S is a glyph string for a composition. S->gidx is the index of
1773 the first character drawn for glyphs of this composition.
1774 S->gidx == 0 means we are drawing the very first character of
1775 this composition. */
1777 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1778 SetBkColor (s
->hdc
, s
->gc
->background
);
1779 SetBkMode (s
->hdc
, TRANSPARENT
);
1780 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1782 if (s
->font
&& s
->font
->hfont
)
1783 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1785 /* Draw a rectangle for the composition if the font for the very
1786 first character of the composition could not be loaded. */
1787 if (s
->font_not_found_p
)
1790 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1795 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1797 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1798 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1800 if (s
->face
->overstrike
)
1801 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1802 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1807 if (s
->font
&& s
->font
->hfont
)
1808 SelectObject (s
->hdc
, old_font
);
1812 /* Brightness beyond which a color won't have its highlight brightness
1815 Nominally, highlight colors for `3d' faces are calculated by
1816 brightening an object's color by a constant scale factor, but this
1817 doesn't yield good results for dark colors, so for colors who's
1818 brightness is less than this value (on a scale of 0-255) have to
1819 use an additional additive factor.
1821 The value here is set so that the default menu-bar/mode-line color
1822 (grey75) will not have its highlights changed at all. */
1823 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1826 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1827 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1828 If this produces the same color as COLOR, try a color where all RGB
1829 values have DELTA added. Return the allocated color in *COLOR.
1830 DISPLAY is the X display, CMAP is the colormap to operate on.
1831 Value is non-zero if successful. */
1834 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1843 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1846 /* Change RGB values by specified FACTOR. Avoid overflow! */
1847 xassert (factor
>= 0);
1848 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1849 min (0xff, factor
* GetGValue (*color
)),
1850 min (0xff, factor
* GetBValue (*color
)));
1852 /* Calculate brightness of COLOR. */
1853 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1854 + GetBValue (*color
)) / 6;
1856 /* We only boost colors that are darker than
1857 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1858 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1859 /* Make an additive adjustment to NEW, because it's dark enough so
1860 that scaling by FACTOR alone isn't enough. */
1862 /* How far below the limit this color is (0 - 1, 1 being darker). */
1863 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1864 /* The additive adjustment. */
1865 int min_delta
= delta
* dimness
* factor
/ 2;
1868 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1869 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1870 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1872 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1873 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1874 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1878 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1879 max (0, min (0xff, delta
+ GetGValue (*color
))),
1880 max (0, min (0xff, delta
+ GetBValue (*color
))));
1882 /* TODO: Map to palette and retry with delta if same? */
1883 /* TODO: Free colors (if using palette)? */
1894 /* Set up the foreground color for drawing relief lines of glyph
1895 string S. RELIEF is a pointer to a struct relief containing the GC
1896 with which lines will be drawn. Use a color that is FACTOR or
1897 DELTA lighter or darker than the relief's background which is found
1898 in S->f->output_data.x->relief_background. If such a color cannot
1899 be allocated, use DEFAULT_PIXEL, instead. */
1902 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1904 struct relief
*relief
;
1907 COLORREF default_pixel
;
1910 struct w32_output
*di
= f
->output_data
.w32
;
1911 unsigned long mask
= GCForeground
;
1913 COLORREF background
= di
->relief_background
;
1914 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1916 /* TODO: Free colors (if using palette)? */
1918 /* Allocate new color. */
1919 xgcv
.foreground
= default_pixel
;
1921 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1923 relief
->allocated_p
= 1;
1924 xgcv
.foreground
= relief
->pixel
= pixel
;
1927 if (relief
->gc
== 0)
1929 #if 0 /* TODO: stipple */
1930 xgcv
.stipple
= dpyinfo
->gray
;
1933 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1936 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1940 /* Set up colors for the relief lines around glyph string S. */
1943 x_setup_relief_colors (s
)
1944 struct glyph_string
*s
;
1946 struct w32_output
*di
= s
->f
->output_data
.w32
;
1949 if (s
->face
->use_box_color_for_shadows_p
)
1950 color
= s
->face
->box_color
;
1951 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1953 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1954 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1956 color
= s
->gc
->background
;
1958 if (di
->white_relief
.gc
== 0
1959 || color
!= di
->relief_background
)
1961 di
->relief_background
= color
;
1962 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1963 WHITE_PIX_DEFAULT (s
->f
));
1964 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1965 BLACK_PIX_DEFAULT (s
->f
));
1970 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1971 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1972 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1973 relief. LEFT_P non-zero means draw a relief on the left side of
1974 the rectangle. RIGHT_P non-zero means draw a relief on the right
1975 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1979 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1980 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1982 int left_x
, top_y
, right_x
, bottom_y
, width
;
1983 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1988 HDC hdc
= get_frame_dc (f
);
1991 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1993 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1995 w32_set_clip_rectangle (hdc
, clip_rect
);
1999 for (i
= 0; i
< width
; ++i
)
2000 w32_fill_area (f
, hdc
, gc
.foreground
,
2001 left_x
+ i
* left_p
, top_y
+ i
,
2002 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
2006 for (i
= 0; i
< width
; ++i
)
2007 w32_fill_area (f
, hdc
, gc
.foreground
,
2008 left_x
+ i
, top_y
+ i
, 1,
2009 bottom_y
- top_y
- 2 * i
+ 1);
2012 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
2014 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
2018 for (i
= 0; i
< width
; ++i
)
2019 w32_fill_area (f
, hdc
, gc
.foreground
,
2020 left_x
+ i
* left_p
, bottom_y
- i
,
2021 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
2025 for (i
= 0; i
< width
; ++i
)
2026 w32_fill_area (f
, hdc
, gc
.foreground
,
2027 right_x
- i
, top_y
+ i
+ 1, 1,
2028 bottom_y
- top_y
- 2 * i
- 1);
2030 w32_set_clip_rectangle (hdc
, NULL
);
2032 release_frame_dc (f
, hdc
);
2036 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
2037 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
2038 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
2039 left side of the rectangle. RIGHT_P non-zero means draw a line
2040 on the right side of the rectangle. CLIP_RECT is the clipping
2041 rectangle to use when drawing. */
2044 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2045 left_p
, right_p
, clip_rect
)
2046 struct glyph_string
*s
;
2047 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
2050 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
2053 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2054 left_x
, top_y
, right_x
- left_x
+ 1, width
);
2059 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2060 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
2064 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2065 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
2070 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2071 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
2074 w32_set_clip_rectangle (s
->hdc
, NULL
);
2078 /* Draw a box around glyph string S. */
2081 x_draw_glyph_string_box (s
)
2082 struct glyph_string
*s
;
2084 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
2085 int left_p
, right_p
;
2086 struct glyph
*last_glyph
;
2089 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
2090 ? WINDOW_RIGHT_EDGE_X (s
->w
)
2091 : window_box_right (s
->w
, s
->area
));
2093 /* The glyph that may have a right box line. */
2094 last_glyph
= (s
->cmp
|| s
->img
2096 : s
->first_glyph
+ s
->nchars
- 1);
2098 width
= abs (s
->face
->box_line_width
);
2099 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
2101 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
2103 : min (last_x
, s
->x
+ s
->background_width
) - 1));
2105 bottom_y
= top_y
+ s
->height
- 1;
2107 left_p
= (s
->first_glyph
->left_box_line_p
2108 || (s
->hl
== DRAW_MOUSE_FACE
2110 || s
->prev
->hl
!= s
->hl
)));
2111 right_p
= (last_glyph
->right_box_line_p
2112 || (s
->hl
== DRAW_MOUSE_FACE
2114 || s
->next
->hl
!= s
->hl
)));
2116 get_glyph_string_clip_rect (s
, &clip_rect
);
2118 if (s
->face
->box
== FACE_SIMPLE_BOX
)
2119 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2120 left_p
, right_p
, &clip_rect
);
2123 x_setup_relief_colors (s
);
2124 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
2125 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
2130 /* Draw foreground of image glyph string S. */
2133 x_draw_image_foreground (s
)
2134 struct glyph_string
*s
;
2137 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2139 /* If first glyph of S has a left box line, start drawing it to the
2140 right of that line. */
2141 if (s
->face
->box
!= FACE_NO_BOX
2142 && s
->first_glyph
->left_box_line_p
2144 x
+= abs (s
->face
->box_line_width
);
2146 /* If there is a margin around the image, adjust x- and y-position
2148 if (s
->slice
.x
== 0)
2149 x
+= s
->img
->hmargin
;
2150 if (s
->slice
.y
== 0)
2151 y
+= s
->img
->vmargin
;
2157 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2158 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2159 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2160 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2161 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2162 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2163 x_set_glyph_string_clipping (s
);
2167 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2168 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2170 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2171 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2173 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2174 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2175 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2176 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2177 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2178 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2180 SelectObject (mask_dc
, mask_orig_obj
);
2185 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2186 SetBkColor (s
->hdc
, s
->gc
->background
);
2188 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2189 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2191 /* When the image has a mask, we can expect that at
2192 least part of a mouse highlight or a block cursor will
2193 be visible. If the image doesn't have a mask, make
2194 a block cursor visible by drawing a rectangle around
2195 the image. I believe it's looking better if we do
2196 nothing here for mouse-face. */
2197 if (s
->hl
== DRAW_CURSOR
)
2199 int r
= s
->img
->relief
;
2201 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2202 s
->slice
.width
+ r
*2 - 1,
2203 s
->slice
.height
+ r
*2 - 1);
2207 w32_set_clip_rectangle (s
->hdc
, NULL
);
2208 SelectObject (s
->hdc
, orig_brush
);
2209 DeleteObject (fg_brush
);
2210 SelectObject (compat_hdc
, orig_obj
);
2211 DeleteDC (compat_hdc
);
2214 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2215 s
->slice
.width
- 1, s
->slice
.height
- 1);
2217 RestoreDC (s
->hdc
,-1);
2221 /* Draw a relief around the image glyph string S. */
2224 x_draw_image_relief (s
)
2225 struct glyph_string
*s
;
2227 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2230 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2232 /* If first glyph of S has a left box line, start drawing it to the
2233 right of that line. */
2234 if (s
->face
->box
!= FACE_NO_BOX
2235 && s
->first_glyph
->left_box_line_p
2237 x
+= abs (s
->face
->box_line_width
);
2239 /* If there is a margin around the image, adjust x- and y-position
2241 if (s
->slice
.x
== 0)
2242 x
+= s
->img
->hmargin
;
2243 if (s
->slice
.y
== 0)
2244 y
+= s
->img
->vmargin
;
2246 if (s
->hl
== DRAW_IMAGE_SUNKEN
2247 || s
->hl
== DRAW_IMAGE_RAISED
)
2249 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2250 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2254 thick
= abs (s
->img
->relief
);
2255 raised_p
= s
->img
->relief
> 0;
2260 x1
= x
+ s
->slice
.width
+ thick
- 1;
2261 y1
= y
+ s
->slice
.height
+ thick
- 1;
2263 x_setup_relief_colors (s
);
2264 get_glyph_string_clip_rect (s
, &r
);
2265 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2267 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2269 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2274 /* Draw the foreground of image glyph string S to PIXMAP. */
2277 w32_draw_image_foreground_1 (s
, pixmap
)
2278 struct glyph_string
*s
;
2281 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2282 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2284 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2286 /* If first glyph of S has a left box line, start drawing it to the
2287 right of that line. */
2288 if (s
->face
->box
!= FACE_NO_BOX
2289 && s
->first_glyph
->left_box_line_p
2291 x
+= abs (s
->face
->box_line_width
);
2293 /* If there is a margin around the image, adjust x- and y-position
2295 if (s
->slice
.x
== 0)
2296 x
+= s
->img
->hmargin
;
2297 if (s
->slice
.y
== 0)
2298 y
+= s
->img
->vmargin
;
2302 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2303 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2304 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2305 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2309 HDC mask_dc
= CreateCompatibleDC (hdc
);
2310 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2312 SetTextColor (hdc
, RGB (0, 0, 0));
2313 SetBkColor (hdc
, RGB (255, 255, 255));
2314 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2315 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2316 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2317 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2318 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2319 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2321 SelectObject (mask_dc
, mask_orig_obj
);
2326 SetTextColor (hdc
, s
->gc
->foreground
);
2327 SetBkColor (hdc
, s
->gc
->background
);
2329 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2330 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2332 /* When the image has a mask, we can expect that at
2333 least part of a mouse highlight or a block cursor will
2334 be visible. If the image doesn't have a mask, make
2335 a block cursor visible by drawing a rectangle around
2336 the image. I believe it's looking better if we do
2337 nothing here for mouse-face. */
2338 if (s
->hl
== DRAW_CURSOR
)
2340 int r
= s
->img
->relief
;
2342 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2343 s
->slice
.width
+ r
*2 - 1,
2344 s
->slice
.height
+ r
*2 - 1);
2348 SelectObject (hdc
, orig_brush
);
2349 DeleteObject (fg_brush
);
2350 SelectObject (compat_hdc
, orig_obj
);
2351 DeleteDC (compat_hdc
);
2354 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2355 s
->slice
.width
- 1, s
->slice
.height
- 1);
2357 SelectObject (hdc
, orig_hdc_obj
);
2362 /* Draw part of the background of glyph string S. X, Y, W, and H
2363 give the rectangle to draw. */
2366 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2367 struct glyph_string
*s
;
2370 #if 0 /* TODO: stipple */
2373 /* Fill background with a stipple pattern. */
2374 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2375 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2376 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2380 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2384 /* Draw image glyph string S.
2387 s->x +-------------------------
2390 | +-------------------------
2393 | | +-------------------
2399 x_draw_image_glyph_string (s
)
2400 struct glyph_string
*s
;
2403 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2404 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2408 height
= s
->height
- 2 * box_line_vwidth
;
2410 /* Fill background with face under the image. Do it only if row is
2411 taller than image or if image has a clip mask to reduce
2413 s
->stippled_p
= s
->face
->stipple
!= 0;
2414 if (height
> s
->slice
.height
2418 || s
->img
->pixmap
== 0
2419 || s
->width
!= s
->background_width
)
2422 if (s
->first_glyph
->left_box_line_p
2424 x
+= box_line_hwidth
;
2427 if (s
->slice
.y
== 0)
2428 y
+= box_line_vwidth
;
2430 #if 0 /* TODO: figure out if we need to do this on Windows. */
2433 /* Create a pixmap as large as the glyph string. Fill it
2434 with the background color. Copy the image to it, using
2435 its mask. Copy the temporary pixmap to the display. */
2436 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2437 int depth
= DefaultDepthOfScreen (screen
);
2439 /* Create a pixmap as large as the glyph string. */
2440 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2441 s
->background_width
,
2444 /* Don't clip in the following because we're working on the
2446 XSetClipMask (s
->display
, s
->gc
, None
);
2448 /* Fill the pixmap with the background color/stipple. */
2451 /* Fill background with a stipple pattern. */
2452 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2453 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2454 0, 0, s
->background_width
, s
->height
);
2455 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2460 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2462 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2463 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2464 0, 0, s
->background_width
, s
->height
);
2465 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2470 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2472 s
->background_filled_p
= 1;
2475 /* Draw the foreground. */
2478 w32_draw_image_foreground_1 (s
, pixmap
);
2479 x_set_glyph_string_clipping (s
);
2481 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2482 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2483 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2484 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2486 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2487 SetBkColor (s
->hdc
, s
->gc
->background
);
2488 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2489 compat_hdc
, 0, 0, SRCCOPY
);
2491 SelectObject (s
->hdc
, orig_brush
);
2492 DeleteObject (fg_brush
);
2493 SelectObject (compat_hdc
, orig_obj
);
2494 DeleteDC (compat_hdc
);
2496 DeleteObject (pixmap
);
2500 x_draw_image_foreground (s
);
2502 /* If we must draw a relief around the image, do it. */
2504 || s
->hl
== DRAW_IMAGE_RAISED
2505 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2506 x_draw_image_relief (s
);
2510 /* Draw stretch glyph string S. */
2513 x_draw_stretch_glyph_string (s
)
2514 struct glyph_string
*s
;
2516 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2517 s
->stippled_p
= s
->face
->stipple
!= 0;
2519 if (s
->hl
== DRAW_CURSOR
2520 && !x_stretch_cursor_p
)
2522 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2523 as wide as the stretch glyph. */
2524 int width
, background_width
= s
->background_width
;
2525 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2529 background_width
-= left_x
- x
;
2532 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2535 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2537 /* Clear rest using the GC of the original non-cursor face. */
2538 if (width
< background_width
)
2540 XGCValues
*gc
= s
->face
->gc
;
2542 int w
= background_width
- width
, h
= s
->height
;
2547 if (s
->row
->mouse_face_p
2548 && cursor_in_mouse_face_p (s
->w
))
2550 x_set_mouse_face_gc (s
);
2556 get_glyph_string_clip_rect (s
, &r
);
2557 w32_set_clip_rectangle (hdc
, &r
);
2559 #if 0 /* TODO: stipple */
2560 if (s
->face
->stipple
)
2562 /* Fill background with a stipple pattern. */
2563 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2564 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2565 XSetFillStyle (s
->display
, gc
, FillSolid
);
2570 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2574 else if (!s
->background_filled_p
)
2576 int background_width
= s
->background_width
;
2577 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2579 /* Don't draw into left margin, fringe or scrollbar area
2580 except for header line and mode line. */
2581 if (x
< left_x
&& !s
->row
->mode_line_p
)
2583 background_width
-= left_x
- x
;
2586 if (background_width
> 0)
2587 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2590 s
->background_filled_p
= 1;
2594 /* Draw glyph string S. */
2597 x_draw_glyph_string (s
)
2598 struct glyph_string
*s
;
2600 int relief_drawn_p
= 0;
2602 /* If S draws into the background of its successor, draw the
2603 background of the successor first so that S can draw into it.
2604 This makes S->next use XDrawString instead of XDrawImageString. */
2605 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2607 xassert (s
->next
->img
== NULL
);
2608 x_set_glyph_string_gc (s
->next
);
2609 x_set_glyph_string_clipping (s
->next
);
2610 x_draw_glyph_string_background (s
->next
, 1);
2613 /* Set up S->gc, set clipping and draw S. */
2614 x_set_glyph_string_gc (s
);
2616 /* Draw relief (if any) in advance for char/composition so that the
2617 glyph string can be drawn over it. */
2618 if (!s
->for_overlaps
2619 && s
->face
->box
!= FACE_NO_BOX
2620 && (s
->first_glyph
->type
== CHAR_GLYPH
2621 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2624 x_set_glyph_string_clipping (s
);
2625 x_draw_glyph_string_background (s
, 1);
2626 x_draw_glyph_string_box (s
);
2627 x_set_glyph_string_clipping (s
);
2631 x_set_glyph_string_clipping (s
);
2633 switch (s
->first_glyph
->type
)
2636 x_draw_image_glyph_string (s
);
2640 x_draw_stretch_glyph_string (s
);
2644 if (s
->for_overlaps
)
2645 s
->background_filled_p
= 1;
2647 x_draw_glyph_string_background (s
, 0);
2648 x_draw_glyph_string_foreground (s
);
2651 case COMPOSITE_GLYPH
:
2652 if (s
->for_overlaps
|| s
->gidx
> 0)
2653 s
->background_filled_p
= 1;
2655 x_draw_glyph_string_background (s
, 1);
2656 x_draw_composite_glyph_string_foreground (s
);
2663 if (!s
->for_overlaps
)
2665 /* Draw underline. */
2666 if (s
->face
->underline_p
2667 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2669 unsigned long h
= 1;
2670 unsigned long dy
= 0;
2672 if (x_underline_at_descent_line
)
2676 /* TODO: Use font information for positioning and thickness of
2677 underline. See OUTLINETEXTMETRIC, and xterm.c. Note: If
2678 you make this work, don't forget to change the doc string of
2679 x-use-underline-position-properties below. */
2682 if (s
->face
->underline_defaulted_p
)
2684 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2685 s
->y
+ dy
, s
->background_width
, 1);
2689 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2690 s
->y
+ dy
, s
->background_width
, 1);
2694 /* Draw overline. */
2695 if (s
->face
->overline_p
)
2697 unsigned long dy
= 0, h
= 1;
2699 if (s
->face
->overline_color_defaulted_p
)
2701 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2702 s
->y
+ dy
, s
->background_width
, h
);
2706 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2707 s
->y
+ dy
, s
->background_width
, h
);
2711 /* Draw strike-through. */
2712 if (s
->face
->strike_through_p
2713 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2715 unsigned long h
= 1;
2716 unsigned long dy
= (s
->height
- h
) / 2;
2718 if (s
->face
->strike_through_color_defaulted_p
)
2720 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2725 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2726 s
->y
+ dy
, s
->width
, h
);
2731 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2732 x_draw_glyph_string_box (s
);
2735 /* Reset clipping. */
2736 w32_set_clip_rectangle (s
->hdc
, NULL
);
2740 /* Shift display to make room for inserted glyphs. */
2743 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2745 int x
, y
, width
, height
, shift_by
;
2749 hdc
= get_frame_dc (f
);
2750 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2751 hdc
, x
, y
, SRCCOPY
);
2753 release_frame_dc (f
, hdc
);
2757 /* Delete N glyphs at the nominal cursor position. Not implemented
2769 f
= SELECTED_FRAME ();
2771 if (! FRAME_W32_P (f
))
2778 /* Clear entire frame. If updating_frame is non-null, clear that
2779 frame. Otherwise clear the selected frame. */
2789 f
= SELECTED_FRAME ();
2791 if (! FRAME_W32_P (f
))
2794 /* Clearing the frame will erase any cursor, so mark them all as no
2796 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2797 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2798 output_cursor
.x
= -1;
2800 /* We don't set the output cursor here because there will always
2801 follow an explicit cursor_to. */
2804 w32_clear_window (f
);
2806 /* We have to clear the scroll bars, too. If we have changed
2807 colors or something like that, then they should be notified. */
2808 x_scroll_bar_clear (f
);
2814 /* Make audible bell. */
2817 w32_ring_bell (void)
2821 f
= SELECTED_FRAME ();
2825 if (FRAME_W32_P (f
) && visible_bell
)
2828 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2830 for (i
= 0; i
< 5; i
++)
2832 FlashWindow (hwnd
, TRUE
);
2835 FlashWindow (hwnd
, FALSE
);
2838 w32_sys_ring_bell ();
2844 /* Specify how many text lines, from the top of the window,
2845 should be affected by insert-lines and delete-lines operations.
2846 This, and those operations, are used only within an update
2847 that is bounded by calls to x_update_begin and x_update_end. */
2850 w32_set_terminal_window (n
)
2853 /* This function intentionally left blank. */
2857 /***********************************************************************
2859 ***********************************************************************/
2861 /* Perform an insert-lines or delete-lines operation, inserting N
2862 lines or deleting -N lines at vertical position VPOS. */
2865 x_ins_del_lines (vpos
, n
)
2873 f
= SELECTED_FRAME ();
2875 if (! FRAME_W32_P (f
))
2882 /* Scroll part of the display as described by RUN. */
2885 x_scroll_run (w
, run
)
2889 struct frame
*f
= XFRAME (w
->frame
);
2890 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2891 HWND hwnd
= FRAME_W32_WINDOW (f
);
2894 /* Get frame-relative bounding box of the text display area of W,
2895 without mode lines. Include in this box the left and right
2897 window_box (w
, -1, &x
, &y
, &width
, &height
);
2899 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2900 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2901 bottom_y
= y
+ height
;
2905 /* Scrolling up. Make sure we don't copy part of the mode
2906 line at the bottom. */
2907 if (from_y
+ run
->height
> bottom_y
)
2908 height
= bottom_y
- from_y
;
2910 height
= run
->height
;
2911 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2915 /* Scolling down. Make sure we don't copy over the mode line.
2917 if (to_y
+ run
->height
> bottom_y
)
2918 height
= bottom_y
- to_y
;
2920 height
= run
->height
;
2921 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2926 /* Cursor off. Will be switched on again in x_update_window_end. */
2933 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2934 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2936 from
.left
= to
.left
= x
;
2937 from
.right
= to
.right
= x
+ width
;
2939 from
.bottom
= from_y
+ height
;
2941 to
.bottom
= bottom_y
;
2943 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2944 NULL
, SW_INVALIDATE
);
2946 /* Combine this with what we expect to be dirty. This covers the
2947 case where not all of the region we expect is actually dirty. */
2948 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2950 /* If the dirty region is not what we expected, redraw the entire frame. */
2951 if (!EqualRgn (combined
, expect_dirty
))
2952 SET_FRAME_GARBAGED (f
);
2954 DeleteObject (dirty
);
2955 DeleteObject (combined
);
2959 DeleteObject (expect_dirty
);
2964 /***********************************************************************
2966 ***********************************************************************/
2972 x_update_cursor (f
, 1);
2976 frame_unhighlight (f
)
2979 x_update_cursor (f
, 1);
2982 /* The focus has changed. Update the frames as necessary to reflect
2983 the new situation. Note that we can't change the selected frame
2984 here, because the Lisp code we are interrupting might become confused.
2985 Each event gets marked with the frame in which it occurred, so the
2986 Lisp code can tell when the switch took place by examining the events. */
2989 x_new_focus_frame (dpyinfo
, frame
)
2990 struct w32_display_info
*dpyinfo
;
2991 struct frame
*frame
;
2993 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2995 if (frame
!= dpyinfo
->w32_focus_frame
)
2997 /* Set this before calling other routines, so that they see
2998 the correct value of w32_focus_frame. */
2999 dpyinfo
->w32_focus_frame
= frame
;
3001 if (old_focus
&& old_focus
->auto_lower
)
3002 x_lower_frame (old_focus
);
3004 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
3005 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
3007 pending_autoraise_frame
= 0;
3010 x_frame_rehighlight (dpyinfo
);
3014 /* Handle FocusIn and FocusOut state changes for FRAME.
3015 If FRAME has focus and there exists more than one frame, puts
3016 a FOCUS_IN_EVENT into *BUFP. */
3019 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
3022 struct w32_display_info
*dpyinfo
;
3023 struct frame
*frame
;
3024 struct input_event
*bufp
;
3026 if (type
== WM_SETFOCUS
)
3028 if (dpyinfo
->w32_focus_event_frame
!= frame
)
3030 x_new_focus_frame (dpyinfo
, frame
);
3031 dpyinfo
->w32_focus_event_frame
= frame
;
3033 /* Don't stop displaying the initial startup message
3034 for a switch-frame event we don't need. */
3035 if (GC_NILP (Vterminal_frame
)
3036 && GC_CONSP (Vframe_list
)
3037 && !GC_NILP (XCDR (Vframe_list
)))
3039 bufp
->kind
= FOCUS_IN_EVENT
;
3040 XSETFRAME (bufp
->frame_or_window
, frame
);
3044 frame
->output_data
.x
->focus_state
|= state
;
3046 /* TODO: IME focus? */
3048 else if (type
== WM_KILLFOCUS
)
3050 frame
->output_data
.x
->focus_state
&= ~state
;
3052 if (dpyinfo
->w32_focus_event_frame
== frame
)
3054 dpyinfo
->w32_focus_event_frame
= 0;
3055 x_new_focus_frame (dpyinfo
, 0);
3058 /* TODO: IME focus? */
3063 /* The focus may have changed. Figure out if it is a real focus change,
3064 by checking both FocusIn/Out and Enter/LeaveNotify events.
3066 Returns FOCUS_IN_EVENT event in *BUFP. */
3069 w32_detect_focus_change (dpyinfo
, event
, bufp
)
3070 struct w32_display_info
*dpyinfo
;
3072 struct input_event
*bufp
;
3074 struct frame
*frame
;
3076 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
3080 /* On w32, this is only called from focus events, so no switch needed. */
3081 x_focus_changed (event
->msg
.message
,
3082 (event
->msg
.message
== WM_KILLFOCUS
?
3083 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
3084 dpyinfo
, frame
, bufp
);
3088 /* Handle an event saying the mouse has moved out of an Emacs frame. */
3091 x_mouse_leave (dpyinfo
)
3092 struct w32_display_info
*dpyinfo
;
3094 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
3097 /* The focus has changed, or we have redirected a frame's focus to
3098 another frame (this happens when a frame uses a surrogate
3099 mini-buffer frame). Shift the highlight as appropriate.
3101 The FRAME argument doesn't necessarily have anything to do with which
3102 frame is being highlighted or un-highlighted; we only use it to find
3103 the appropriate X display info. */
3106 w32_frame_rehighlight (frame
)
3107 struct frame
*frame
;
3109 if (! FRAME_W32_P (frame
))
3111 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
3115 x_frame_rehighlight (dpyinfo
)
3116 struct w32_display_info
*dpyinfo
;
3118 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
3120 if (dpyinfo
->w32_focus_frame
)
3122 dpyinfo
->x_highlight_frame
3123 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
3124 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
3125 : dpyinfo
->w32_focus_frame
);
3126 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
3128 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
3129 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
3133 dpyinfo
->x_highlight_frame
= 0;
3135 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3138 frame_unhighlight (old_highlight
);
3139 if (dpyinfo
->x_highlight_frame
)
3140 frame_highlight (dpyinfo
->x_highlight_frame
);
3144 /* Keyboard processing - modifier keys, etc. */
3146 /* Convert a keysym to its name. */
3149 x_get_keysym_name (keysym
)
3152 /* Make static so we can always return it */
3153 static char value
[100];
3156 GetKeyNameText (keysym
, value
, 100);
3164 /* Mouse clicks and mouse movement. Rah. */
3166 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3167 the state in PUP. XBUTTON provides extra information for extended mouse
3168 button messages. Returns FALSE if unable to parse the message. */
3170 parse_button (message
, xbutton
, pbutton
, pup
)
3181 case WM_LBUTTONDOWN
:
3189 case WM_MBUTTONDOWN
:
3190 if (NILP (Vw32_swap_mouse_buttons
))
3197 if (NILP (Vw32_swap_mouse_buttons
))
3203 case WM_RBUTTONDOWN
:
3204 if (NILP (Vw32_swap_mouse_buttons
))
3211 if (NILP (Vw32_swap_mouse_buttons
))
3217 case WM_XBUTTONDOWN
:
3218 button
= xbutton
+ 2;
3222 button
= xbutton
+ 2;
3230 if (pbutton
) *pbutton
= button
;
3236 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3238 If the event is a button press, then note that we have grabbed
3242 construct_mouse_click (result
, msg
, f
)
3243 struct input_event
*result
;
3250 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3253 /* Make the event type NO_EVENT; we'll change that when we decide
3255 result
->kind
= MOUSE_CLICK_EVENT
;
3256 result
->code
= button
;
3257 result
->timestamp
= msg
->msg
.time
;
3258 result
->modifiers
= (msg
->dwModifiers
3263 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3264 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3265 XSETFRAME (result
->frame_or_window
, f
);
3271 construct_mouse_wheel (result
, msg
, f
)
3272 struct input_event
*result
;
3279 result
->kind
= WHEEL_EVENT
;
3281 result
->timestamp
= msg
->msg
.time
;
3283 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3284 forward, away from the user (up); a negative value indicates that
3285 the wheel was rotated backward, toward the user (down). */
3286 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3288 /* The up and down modifiers indicate if the wheel was rotated up or
3289 down based on WHEEL_DELTA value. */
3290 result
->modifiers
= (msg
->dwModifiers
3291 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3293 /* With multiple monitors, we can legitimately get negative
3294 coordinates, so cast to short to interpret them correctly. */
3295 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3296 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3297 ScreenToClient (msg
->msg
.hwnd
, &p
);
3298 XSETINT (result
->x
, p
.x
);
3299 XSETINT (result
->y
, p
.y
);
3300 XSETFRAME (result
->frame_or_window
, f
);
3306 construct_drag_n_drop (result
, msg
, f
)
3307 struct input_event
*result
;
3319 result
->kind
= DRAG_N_DROP_EVENT
;
3321 result
->timestamp
= msg
->msg
.time
;
3322 result
->modifiers
= msg
->dwModifiers
;
3324 hdrop
= (HDROP
) msg
->msg
.wParam
;
3325 DragQueryPoint (hdrop
, &p
);
3328 p
.x
= LOWORD (msg
->msg
.lParam
);
3329 p
.y
= HIWORD (msg
->msg
.lParam
);
3330 ScreenToClient (msg
->msg
.hwnd
, &p
);
3333 XSETINT (result
->x
, p
.x
);
3334 XSETINT (result
->y
, p
.y
);
3336 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3339 for (i
= 0; i
< num_files
; i
++)
3341 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3344 name
= alloca (len
+ 1);
3345 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3346 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3351 XSETFRAME (frame
, f
);
3352 result
->frame_or_window
= frame
;
3353 result
->arg
= files
;
3358 /* Function to report a mouse movement to the mainstream Emacs code.
3359 The input handler calls this.
3361 We have received a mouse movement event, which is given in *event.
3362 If the mouse is over a different glyph than it was last time, tell
3363 the mainstream emacs code by setting mouse_moved. If not, ask for
3364 another motion event, so we can check again the next time it moves. */
3366 static MSG last_mouse_motion_event
;
3367 static Lisp_Object last_mouse_motion_frame
;
3370 note_mouse_movement (frame
, msg
)
3374 int mouse_x
= LOWORD (msg
->lParam
);
3375 int mouse_y
= HIWORD (msg
->lParam
);
3377 last_mouse_movement_time
= msg
->time
;
3378 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3379 XSETFRAME (last_mouse_motion_frame
, frame
);
3381 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3383 frame
->mouse_moved
= 1;
3384 last_mouse_scroll_bar
= Qnil
;
3385 note_mouse_highlight (frame
, -1, -1);
3386 last_mouse_glyph_frame
= 0;
3390 /* Has the mouse moved off the glyph it was on at the last sighting? */
3391 if (frame
!= last_mouse_glyph_frame
3392 || mouse_x
< last_mouse_glyph
.left
3393 || mouse_x
>= last_mouse_glyph
.right
3394 || mouse_y
< last_mouse_glyph
.top
3395 || mouse_y
>= last_mouse_glyph
.bottom
)
3397 frame
->mouse_moved
= 1;
3398 last_mouse_scroll_bar
= Qnil
;
3399 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3400 /* Remember the mouse position here, as w32_mouse_position only
3401 gets called when mouse tracking is enabled but we also need
3402 to keep track of the mouse for help_echo and highlighting at
3404 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3405 last_mouse_glyph_frame
= frame
;
3413 /************************************************************************
3415 ************************************************************************/
3417 static struct scroll_bar
*x_window_to_scroll_bar ();
3418 static void x_scroll_bar_report_motion ();
3419 static void x_check_fullscreen
P_ ((struct frame
*));
3422 redo_mouse_highlight ()
3424 if (!NILP (last_mouse_motion_frame
)
3425 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3426 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3427 LOWORD (last_mouse_motion_event
.lParam
),
3428 HIWORD (last_mouse_motion_event
.lParam
));
3432 w32_define_cursor (window
, cursor
)
3436 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3438 /* Return the current position of the mouse.
3439 *fp should be a frame which indicates which display to ask about.
3441 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3442 and *part to the frame, window, and scroll bar part that the mouse
3443 is over. Set *x and *y to the portion and whole of the mouse's
3444 position on the scroll bar.
3446 If the mouse movement started elsewhere, set *fp to the frame the
3447 mouse is on, *bar_window to nil, and *x and *y to the character cell
3450 Set *time to the server time-stamp for the time at which the mouse
3451 was at this position.
3453 Don't store anything if we don't have a valid set of values to report.
3455 This clears the mouse_moved flag, so we can wait for the next mouse
3459 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3462 Lisp_Object
*bar_window
;
3463 enum scroll_bar_part
*part
;
3465 unsigned long *time
;
3471 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3472 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3477 Lisp_Object frame
, tail
;
3479 /* Clear the mouse-moved flag for every frame on this display. */
3480 FOR_EACH_FRAME (tail
, frame
)
3481 XFRAME (frame
)->mouse_moved
= 0;
3483 last_mouse_scroll_bar
= Qnil
;
3487 /* Now we have a position on the root; find the innermost window
3488 containing the pointer. */
3490 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3491 && FRAME_LIVE_P (last_mouse_frame
))
3493 /* If mouse was grabbed on a frame, give coords for that frame
3494 even if the mouse is now outside it. */
3495 f1
= last_mouse_frame
;
3499 /* Is window under mouse one of our frames? */
3500 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3501 WindowFromPoint (pt
));
3504 /* If not, is it one of our scroll bars? */
3507 struct scroll_bar
*bar
3508 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3512 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3516 if (f1
== 0 && insist
> 0)
3517 f1
= SELECTED_FRAME ();
3521 /* Ok, we found a frame. Store all the values.
3522 last_mouse_glyph is a rectangle used to reduce the
3523 generation of mouse events. To not miss any motion
3524 events, we must divide the frame into rectangles of the
3525 size of the smallest character that could be displayed
3526 on it, i.e. into the same rectangles that matrices on
3527 the frame are divided into. */
3529 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3530 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3531 last_mouse_glyph_frame
= f1
;
3538 *time
= last_mouse_movement_time
;
3547 /***********************************************************************
3549 ***********************************************************************/
3551 /* Handle mouse button event on the tool-bar of frame F, at
3552 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3556 w32_handle_tool_bar_click (f
, button_event
)
3558 struct input_event
*button_event
;
3560 int x
= XFASTINT (button_event
->x
);
3561 int y
= XFASTINT (button_event
->y
);
3563 if (button_event
->modifiers
& down_modifier
)
3564 handle_tool_bar_click (f
, x
, y
, 1, 0);
3566 handle_tool_bar_click (f
, x
, y
, 0,
3567 button_event
->modifiers
& ~up_modifier
);
3572 /***********************************************************************
3574 ***********************************************************************/
3576 /* Scroll bar support. */
3578 /* Given a window ID, find the struct scroll_bar which manages it.
3579 This can be called in GC, so we have to make sure to strip off mark
3582 static struct scroll_bar
*
3583 x_window_to_scroll_bar (window_id
)
3588 for (tail
= Vframe_list
;
3589 XGCTYPE (tail
) == Lisp_Cons
;
3592 Lisp_Object frame
, bar
, condemned
;
3594 frame
= XCAR (tail
);
3595 /* All elements of Vframe_list should be frames. */
3596 if (! GC_FRAMEP (frame
))
3599 /* Scan this frame's scroll bar list for a scroll bar with the
3601 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3602 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3603 /* This trick allows us to search both the ordinary and
3604 condemned scroll bar lists with one loop. */
3605 ! GC_NILP (bar
) || (bar
= condemned
,
3608 bar
= XSCROLL_BAR (bar
)->next
)
3609 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3610 return XSCROLL_BAR (bar
);
3618 /* Set the thumb size and position of scroll bar BAR. We are currently
3619 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3622 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3623 struct scroll_bar
*bar
;
3624 int portion
, position
, whole
;
3626 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3627 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3628 int sb_page
, sb_pos
;
3629 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3634 /* Position scroll bar at rock bottom if the bottom of the
3635 buffer is visible. This avoids shinking the thumb away
3636 to nothing if it is held at the bottom of the buffer. */
3637 if (position
+ portion
>= whole
)
3639 sb_page
= range
* (whole
- position
) / whole
3640 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3644 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3645 sb_pos
= position
* range
/ whole
;
3655 si
.cbSize
= sizeof (si
);
3656 /* Only update page size if currently dragging, to reduce
3659 si
.fMask
= SIF_PAGE
;
3661 si
.fMask
= SIF_PAGE
| SIF_POS
;
3665 SetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3671 /************************************************************************
3672 Scroll bars, general
3673 ************************************************************************/
3676 my_create_scrollbar (f
, bar
)
3678 struct scroll_bar
* bar
;
3680 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3681 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3685 /*#define ATTACH_THREADS*/
3688 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3690 #ifndef ATTACH_THREADS
3691 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3692 (WPARAM
) hwnd
, (LPARAM
) how
);
3694 return ShowWindow (hwnd
, how
);
3699 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3700 int x
, int y
, int cx
, int cy
, UINT flags
)
3702 #ifndef ATTACH_THREADS
3704 pos
.hwndInsertAfter
= hwndAfter
;
3710 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3712 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3717 my_set_focus (f
, hwnd
)
3721 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3726 my_set_foreground_window (hwnd
)
3729 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3734 my_destroy_window (f
, hwnd
)
3738 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3742 /* Create a scroll bar and return the scroll bar vector for it. W is
3743 the Emacs window on which to create the scroll bar. TOP, LEFT,
3744 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3747 static struct scroll_bar
*
3748 x_scroll_bar_create (w
, top
, left
, width
, height
)
3750 int top
, left
, width
, height
;
3752 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3755 struct scroll_bar
*bar
3756 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3760 XSETWINDOW (bar
->window
, w
);
3761 XSETINT (bar
->top
, top
);
3762 XSETINT (bar
->left
, left
);
3763 XSETINT (bar
->width
, width
);
3764 XSETINT (bar
->height
, height
);
3765 XSETINT (bar
->start
, 0);
3766 XSETINT (bar
->end
, 0);
3767 bar
->dragging
= Qnil
;
3769 /* Requires geometry to be set before call to create the real window */
3771 hwnd
= my_create_scrollbar (f
, bar
);
3773 si
.cbSize
= sizeof (si
);
3776 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3777 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3781 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3783 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3785 /* Add bar to its frame's list of scroll bars. */
3786 bar
->next
= FRAME_SCROLL_BARS (f
);
3788 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3789 if (! NILP (bar
->next
))
3790 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3798 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3802 x_scroll_bar_remove (bar
)
3803 struct scroll_bar
*bar
;
3805 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3809 /* Destroy the window. */
3810 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3812 /* Disassociate this scroll bar from its window. */
3813 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3818 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3819 that we are displaying PORTION characters out of a total of WHOLE
3820 characters, starting at POSITION. If WINDOW has no scroll bar,
3823 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3825 int portion
, whole
, position
;
3827 struct frame
*f
= XFRAME (w
->frame
);
3828 struct scroll_bar
*bar
;
3829 int top
, height
, left
, sb_left
, width
, sb_width
;
3830 int window_y
, window_height
;
3832 /* Get window dimensions. */
3833 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3835 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3836 height
= window_height
;
3838 /* Compute the left edge of the scroll bar area. */
3839 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3841 /* Compute the width of the scroll bar which might be less than
3842 the width of the area reserved for the scroll bar. */
3843 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3844 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3848 /* Compute the left edge of the scroll bar. */
3849 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3850 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3852 sb_left
= left
+ (width
- sb_width
) / 2;
3854 /* Does the scroll bar exist yet? */
3855 if (NILP (w
->vertical_scroll_bar
))
3859 if (width
> 0 && height
> 0)
3861 hdc
= get_frame_dc (f
);
3862 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3863 release_frame_dc (f
, hdc
);
3867 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3871 /* It may just need to be moved and resized. */
3874 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3875 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3877 /* If already correctly positioned, do nothing. */
3878 if ( XINT (bar
->left
) == sb_left
3879 && XINT (bar
->top
) == top
3880 && XINT (bar
->width
) == sb_width
3881 && XINT (bar
->height
) == height
)
3883 /* Redraw after clear_frame. */
3884 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3885 InvalidateRect (hwnd
, NULL
, FALSE
);
3893 if (width
&& height
)
3895 hdc
= get_frame_dc (f
);
3896 /* Since Windows scroll bars are smaller than the space reserved
3897 for them on the frame, we have to clear "under" them. */
3898 w32_clear_area (f
, hdc
,
3903 release_frame_dc (f
, hdc
);
3905 /* Make sure scroll bar is "visible" before moving, to ensure the
3906 area of the parent window now exposed will be refreshed. */
3907 my_show_window (f
, hwnd
, SW_HIDE
);
3908 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3909 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3910 max (height
, 1), TRUE
);
3912 si
.cbSize
= sizeof (si
);
3913 si
.fMask
= SIF_RANGE
;
3915 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3916 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3918 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3920 my_show_window (f
, hwnd
, SW_NORMAL
);
3921 /* InvalidateRect (w, NULL, FALSE); */
3923 /* Remember new settings. */
3924 XSETINT (bar
->left
, sb_left
);
3925 XSETINT (bar
->top
, top
);
3926 XSETINT (bar
->width
, sb_width
);
3927 XSETINT (bar
->height
, height
);
3932 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3934 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3938 /* The following three hooks are used when we're doing a thorough
3939 redisplay of the frame. We don't explicitly know which scroll bars
3940 are going to be deleted, because keeping track of when windows go
3941 away is a real pain - "Can you say set-window-configuration, boys
3942 and girls?" Instead, we just assert at the beginning of redisplay
3943 that *all* scroll bars are to be removed, and then save a scroll bar
3944 from the fiery pit when we actually redisplay its window. */
3946 /* Arrange for all scroll bars on FRAME to be removed at the next call
3947 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3948 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3951 w32_condemn_scroll_bars (frame
)
3954 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3955 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3958 bar
= FRAME_SCROLL_BARS (frame
);
3959 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3960 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3961 XSCROLL_BAR (bar
)->prev
= Qnil
;
3962 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3963 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3964 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3969 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3970 Note that WINDOW isn't necessarily condemned at all. */
3973 w32_redeem_scroll_bar (window
)
3974 struct window
*window
;
3976 struct scroll_bar
*bar
;
3979 /* We can't redeem this window's scroll bar if it doesn't have one. */
3980 if (NILP (window
->vertical_scroll_bar
))
3983 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3985 /* Unlink it from the condemned list. */
3986 f
= XFRAME (WINDOW_FRAME (window
));
3987 if (NILP (bar
->prev
))
3989 /* If the prev pointer is nil, it must be the first in one of
3991 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3992 /* It's not condemned. Everything's fine. */
3994 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3995 window
->vertical_scroll_bar
))
3996 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3998 /* If its prev pointer is nil, it must be at the front of
3999 one or the other! */
4003 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
4005 if (! NILP (bar
->next
))
4006 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
4008 bar
->next
= FRAME_SCROLL_BARS (f
);
4010 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
4011 if (! NILP (bar
->next
))
4012 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
4015 /* Remove all scroll bars on FRAME that haven't been saved since the
4016 last call to `*condemn_scroll_bars_hook'. */
4019 w32_judge_scroll_bars (f
)
4022 Lisp_Object bar
, next
;
4024 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
4026 /* Clear out the condemned list now so we won't try to process any
4027 more events on the hapless scroll bars. */
4028 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
4030 for (; ! NILP (bar
); bar
= next
)
4032 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
4034 x_scroll_bar_remove (b
);
4037 b
->next
= b
->prev
= Qnil
;
4040 /* Now there should be no references to the condemned scroll bars,
4041 and they should get garbage-collected. */
4044 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4045 is set to something other than NO_EVENT, it is enqueued.
4047 This may be called from a signal handler, so we have to ignore GC
4051 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
4052 struct scroll_bar
*bar
;
4054 struct input_event
*emacs_event
;
4056 if (! GC_WINDOWP (bar
->window
))
4059 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
4060 emacs_event
->code
= 0;
4061 /* not really meaningful to distinguish up/down */
4062 emacs_event
->modifiers
= msg
->dwModifiers
;
4063 emacs_event
->frame_or_window
= bar
->window
;
4064 emacs_event
->arg
= Qnil
;
4065 emacs_event
->timestamp
= msg
->msg
.time
;
4068 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4070 int dragging
= !NILP (bar
->dragging
);
4073 si
.cbSize
= sizeof (si
);
4076 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4079 bar
->dragging
= Qnil
;
4082 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4084 switch (LOWORD (msg
->msg
.wParam
))
4087 emacs_event
->part
= scroll_bar_down_arrow
;
4090 emacs_event
->part
= scroll_bar_up_arrow
;
4093 emacs_event
->part
= scroll_bar_above_handle
;
4096 emacs_event
->part
= scroll_bar_below_handle
;
4099 emacs_event
->part
= scroll_bar_handle
;
4103 emacs_event
->part
= scroll_bar_handle
;
4107 case SB_THUMBPOSITION
:
4108 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4109 y
= HIWORD (msg
->msg
.wParam
);
4111 emacs_event
->part
= scroll_bar_handle
;
4113 /* "Silently" update current position. */
4117 si
.cbSize
= sizeof (si
);
4120 /* Remember apparent position (we actually lag behind the real
4121 position, so don't set that directly. */
4122 last_scroll_bar_drag_pos
= y
;
4124 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4128 /* If this is the end of a drag sequence, then reset the scroll
4129 handle size to normal and do a final redraw. Otherwise do
4134 int start
= XINT (bar
->start
);
4135 int end
= XINT (bar
->end
);
4137 si
.cbSize
= sizeof (si
);
4138 si
.fMask
= SIF_PAGE
| SIF_POS
;
4139 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4140 si
.nPos
= last_scroll_bar_drag_pos
;
4141 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4145 emacs_event
->kind
= NO_EVENT
;
4149 XSETINT (emacs_event
->x
, y
);
4150 XSETINT (emacs_event
->y
, top_range
);
4156 /* Return information to the user about the current position of the mouse
4157 on the scroll bar. */
4160 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4162 Lisp_Object
*bar_window
;
4163 enum scroll_bar_part
*part
;
4165 unsigned long *time
;
4167 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4168 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4169 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4171 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4177 *bar_window
= bar
->window
;
4179 si
.cbSize
= sizeof (si
);
4180 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4182 GetScrollInfo (w
, SB_CTL
, &si
);
4184 top_range
= si
.nMax
- si
.nPage
+ 1;
4186 switch (LOWORD (last_mouse_scroll_bar_pos
))
4188 case SB_THUMBPOSITION
:
4190 *part
= scroll_bar_handle
;
4191 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4192 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4195 *part
= scroll_bar_handle
;
4199 *part
= scroll_bar_handle
;
4204 XSETINT (*y
, top_range
);
4207 last_mouse_scroll_bar
= Qnil
;
4209 *time
= last_mouse_movement_time
;
4215 /* The screen has been cleared so we may have changed foreground or
4216 background colors, and the scroll bars may need to be redrawn.
4217 Clear out the scroll bars, and ask for expose events, so we can
4221 x_scroll_bar_clear (f
)
4226 /* We can have scroll bars even if this is 0,
4227 if we just turned off scroll bar mode.
4228 But in that case we should not clear them. */
4229 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4230 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4231 bar
= XSCROLL_BAR (bar
)->next
)
4233 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4234 HDC hdc
= GetDC (window
);
4237 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4238 arranges to refresh the scroll bar if hidden. */
4239 my_show_window (f
, window
, SW_HIDE
);
4241 GetClientRect (window
, &rect
);
4242 select_palette (f
, hdc
);
4243 w32_clear_rect (f
, hdc
, &rect
);
4244 deselect_palette (f
, hdc
);
4246 ReleaseDC (window
, hdc
);
4251 /* The main W32 event-reading loop - w32_read_socket. */
4253 /* Record the last 100 characters stored
4254 to help debug the loss-of-chars-during-GC problem. */
4256 static int temp_index
;
4257 static short temp_buffer
[100];
4260 /* Read events coming from the W32 shell.
4261 This routine is called by the SIGIO handler.
4262 We return as soon as there are no more events to be read.
4264 We return the number of characters stored into the buffer,
4265 thus pretending to be `read'.
4267 EXPECTED is nonzero if the caller knows input is available.
4269 Some of these messages are reposted back to the message queue since the
4270 system calls the windows proc directly in a context where we cannot return
4271 the data nor can we guarantee the state we are in. So if we dispatch them
4272 we will get into an infinite loop. To prevent this from ever happening we
4273 will set a variable to indicate we are in the read_socket call and indicate
4274 which message we are processing since the windows proc gets called
4275 recursively with different messages by the system.
4279 w32_read_socket (sd
, expected
, hold_quit
)
4282 struct input_event
*hold_quit
;
4285 int check_visibility
= 0;
4288 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4290 if (interrupt_input_blocked
)
4292 interrupt_input_pending
= 1;
4296 interrupt_input_pending
= 0;
4299 /* So people can tell when we have read the available input. */
4300 input_signal_count
++;
4302 /* TODO: ghostscript integration. */
4303 while (get_next_msg (&msg
, FALSE
))
4305 struct input_event inev
;
4309 inev
.kind
= NO_EVENT
;
4312 switch (msg
.msg
.message
)
4315 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4319 if (msg
.rect
.right
== msg
.rect
.left
||
4320 msg
.rect
.bottom
== msg
.rect
.top
)
4322 /* We may get paint messages even though the client
4323 area is clipped - these are not expose events. */
4324 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4327 else if (f
->async_visible
!= 1)
4329 /* Definitely not obscured, so mark as visible. */
4330 f
->async_visible
= 1;
4331 f
->async_iconified
= 0;
4332 SET_FRAME_GARBAGED (f
);
4333 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4336 /* WM_PAINT serves as MapNotify as well, so report
4337 visibility changes properly. */
4340 inev
.kind
= DEICONIFY_EVENT
;
4341 XSETFRAME (inev
.frame_or_window
, f
);
4343 else if (! NILP (Vframe_list
)
4344 && ! NILP (XCDR (Vframe_list
)))
4345 /* Force a redisplay sooner or later to update the
4346 frame titles in case this is the second frame. */
4347 record_asynch_buffer_change ();
4351 HDC hdc
= get_frame_dc (f
);
4353 /* Erase background again for safety. */
4354 w32_clear_rect (f
, hdc
, &msg
.rect
);
4355 release_frame_dc (f
, hdc
);
4359 msg
.rect
.right
- msg
.rect
.left
,
4360 msg
.rect
.bottom
- msg
.rect
.top
);
4365 case WM_INPUTLANGCHANGE
:
4366 /* Generate a language change event. */
4367 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4371 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4372 XSETFRAME (inev
.frame_or_window
, f
);
4373 inev
.code
= msg
.msg
.wParam
;
4374 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4380 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4382 if (f
&& !f
->iconified
)
4384 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4385 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4387 clear_mouse_face (dpyinfo
);
4388 dpyinfo
->mouse_face_hidden
= 1;
4391 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4393 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4394 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4395 inev
.code
= msg
.msg
.wParam
;
4396 inev
.modifiers
= msg
.dwModifiers
;
4397 XSETFRAME (inev
.frame_or_window
, f
);
4398 inev
.timestamp
= msg
.msg
.time
;
4404 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4406 if (f
&& !f
->iconified
)
4408 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4409 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4411 clear_mouse_face (dpyinfo
);
4412 dpyinfo
->mouse_face_hidden
= 1;
4415 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4417 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4418 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4419 inev
.code
= msg
.msg
.wParam
;
4420 inev
.modifiers
= msg
.dwModifiers
;
4421 XSETFRAME (inev
.frame_or_window
, f
);
4422 inev
.timestamp
= msg
.msg
.time
;
4427 /* Ignore non-movement. */
4429 int x
= LOWORD (msg
.msg
.lParam
);
4430 int y
= HIWORD (msg
.msg
.lParam
);
4431 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4433 last_mousemove_x
= x
;
4434 last_mousemove_y
= y
;
4437 previous_help_echo_string
= help_echo_string
;
4438 help_echo_string
= Qnil
;
4440 if (dpyinfo
->grabbed
&& last_mouse_frame
4441 && FRAME_LIVE_P (last_mouse_frame
))
4442 f
= last_mouse_frame
;
4444 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4446 if (dpyinfo
->mouse_face_hidden
)
4448 dpyinfo
->mouse_face_hidden
= 0;
4449 clear_mouse_face (dpyinfo
);
4454 /* Generate SELECT_WINDOW_EVENTs when needed. */
4455 if (!NILP (Vmouse_autoselect_window
))
4458 int x
= LOWORD (msg
.msg
.lParam
);
4459 int y
= HIWORD (msg
.msg
.lParam
);
4461 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4463 /* Window will be selected only when it is not
4464 selected now and last mouse movement event was
4465 not in it. Minibuffer window will be selected
4466 iff it is active. */
4468 && !EQ (window
, last_window
)
4469 && !EQ (window
, selected_window
))
4471 inev
.kind
= SELECT_WINDOW_EVENT
;
4472 inev
.frame_or_window
= window
;
4477 if (!note_mouse_movement (f
, &msg
.msg
))
4478 help_echo_string
= previous_help_echo_string
;
4482 /* If we move outside the frame, then we're
4483 certainly no longer on any text in the frame. */
4484 clear_mouse_face (dpyinfo
);
4487 /* If the contents of the global variable help_echo_string
4488 has changed, generate a HELP_EVENT. */
4489 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4490 But it was originally changed to this to fix a bug, so I have
4491 not removed it completely in case the bug is still there. */
4492 if (help_echo_string
!= previous_help_echo_string
||
4493 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4494 #else /* This is what xterm.c does. */
4495 if (!NILP (help_echo_string
)
4496 || !NILP (previous_help_echo_string
))
4501 case WM_LBUTTONDOWN
:
4503 case WM_MBUTTONDOWN
:
4505 case WM_RBUTTONDOWN
:
4507 case WM_XBUTTONDOWN
:
4510 /* If we decide we want to generate an event to be seen
4511 by the rest of Emacs, we put it here. */
4516 if (dpyinfo
->grabbed
&& last_mouse_frame
4517 && FRAME_LIVE_P (last_mouse_frame
))
4518 f
= last_mouse_frame
;
4520 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4524 construct_mouse_click (&inev
, &msg
, f
);
4526 /* Is this in the tool-bar? */
4527 if (WINDOWP (f
->tool_bar_window
)
4528 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4531 int x
= XFASTINT (inev
.x
);
4532 int y
= XFASTINT (inev
.y
);
4534 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4536 if (EQ (window
, f
->tool_bar_window
))
4538 w32_handle_tool_bar_click (f
, &inev
);
4544 || (dpyinfo
->w32_focus_frame
4545 && f
!= dpyinfo
->w32_focus_frame
))
4546 inev
.kind
= NO_EVENT
;
4549 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4554 dpyinfo
->grabbed
&= ~ (1 << button
);
4558 dpyinfo
->grabbed
|= (1 << button
);
4559 last_mouse_frame
= f
;
4560 /* Ignore any mouse motion that happened
4561 before this event; any subsequent mouse-movement
4562 Emacs events should reflect only motion after
4568 last_tool_bar_item
= -1;
4575 if (dpyinfo
->grabbed
&& last_mouse_frame
4576 && FRAME_LIVE_P (last_mouse_frame
))
4577 f
= last_mouse_frame
;
4579 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4584 if (!dpyinfo
->w32_focus_frame
4585 || f
== dpyinfo
->w32_focus_frame
)
4587 /* Emit an Emacs wheel-up/down event. */
4588 construct_mouse_wheel (&inev
, &msg
, f
);
4590 /* Ignore any mouse motion that happened before this
4591 event; any subsequent mouse-movement Emacs events
4592 should reflect only motion after the
4596 last_mouse_frame
= f
;
4597 last_tool_bar_item
= -1;
4602 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4605 construct_drag_n_drop (&inev
, &msg
, f
);
4610 struct scroll_bar
*bar
=
4611 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4614 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4618 case WM_WINDOWPOSCHANGED
:
4619 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4622 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4623 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4625 check_visibility
= 1;
4629 case WM_ACTIVATEAPP
:
4630 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4632 x_check_fullscreen (f
);
4633 check_visibility
= 1;
4637 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4639 if (f
&& !f
->async_iconified
)
4643 x_real_positions (f
, &x
, &y
);
4648 check_visibility
= 1;
4652 /* wParam non-zero means Window is about to be shown, 0 means
4653 about to be hidden. */
4654 /* Redo the mouse-highlight after the tooltip has gone. */
4655 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4658 redo_mouse_highlight ();
4661 /* If window has been obscured or exposed by another window
4662 being maximised or minimised/restored, then recheck
4663 visibility of all frames. Direct changes to our own
4664 windows get handled by WM_SIZE. */
4666 if (msg
.msg
.lParam
!= 0)
4667 check_visibility
= 1;
4670 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4671 f
->async_visible
= msg
.msg
.wParam
;
4675 check_visibility
= 1;
4679 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4681 /* Inform lisp of whether frame has been iconified etc. */
4684 switch (msg
.msg
.wParam
)
4686 case SIZE_MINIMIZED
:
4687 f
->async_visible
= 0;
4688 f
->async_iconified
= 1;
4690 inev
.kind
= ICONIFY_EVENT
;
4691 XSETFRAME (inev
.frame_or_window
, f
);
4694 case SIZE_MAXIMIZED
:
4696 f
->async_visible
= 1;
4697 f
->async_iconified
= 0;
4699 /* wait_reading_process_output will notice this and update
4700 the frame's display structures. */
4701 SET_FRAME_GARBAGED (f
);
4707 /* Reset top and left positions of the Window
4708 here since Windows sends a WM_MOVE message
4709 BEFORE telling us the Window is minimized
4710 when the Window is iconified, with 3000,3000
4712 x_real_positions (f
, &x
, &y
);
4716 inev
.kind
= DEICONIFY_EVENT
;
4717 XSETFRAME (inev
.frame_or_window
, f
);
4719 else if (! NILP (Vframe_list
)
4720 && ! NILP (XCDR (Vframe_list
)))
4721 /* Force a redisplay sooner or later
4722 to update the frame titles
4723 in case this is the second frame. */
4724 record_asynch_buffer_change ();
4729 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4737 GetClientRect (msg
.msg
.hwnd
, &rect
);
4739 height
= rect
.bottom
- rect
.top
;
4740 width
= rect
.right
- rect
.left
;
4742 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4743 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4745 /* TODO: Clip size to the screen dimensions. */
4747 /* Even if the number of character rows and columns has
4748 not changed, the font size may have changed, so we need
4749 to check the pixel dimensions as well. */
4751 if (columns
!= FRAME_COLS (f
)
4752 || rows
!= FRAME_LINES (f
)
4753 || width
!= FRAME_PIXEL_WIDTH (f
)
4754 || height
!= FRAME_PIXEL_HEIGHT (f
))
4756 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4757 SET_FRAME_GARBAGED (f
);
4758 cancel_mouse_face (f
);
4759 FRAME_PIXEL_WIDTH (f
) = width
;
4760 FRAME_PIXEL_HEIGHT (f
) = height
;
4761 f
->win_gravity
= NorthWestGravity
;
4765 check_visibility
= 1;
4769 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4772 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4774 /* If we move outside the frame, then we're
4775 certainly no longer on any text in the frame. */
4776 clear_mouse_face (dpyinfo
);
4777 dpyinfo
->mouse_face_mouse_frame
= 0;
4780 /* Generate a nil HELP_EVENT to cancel a help-echo.
4781 Do it only if there's something to cancel.
4782 Otherwise, the startup message is cleared when
4783 the mouse leaves the frame. */
4784 if (any_help_event_p
)
4790 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4792 dpyinfo
->grabbed
= 0;
4793 check_visibility
= 1;
4797 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4801 if (f
== dpyinfo
->w32_focus_event_frame
)
4802 dpyinfo
->w32_focus_event_frame
= 0;
4804 if (f
== dpyinfo
->w32_focus_frame
)
4805 x_new_focus_frame (dpyinfo
, 0);
4807 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4809 /* If we move outside the frame, then we're
4810 certainly no longer on any text in the frame. */
4811 clear_mouse_face (dpyinfo
);
4812 dpyinfo
->mouse_face_mouse_frame
= 0;
4815 /* Generate a nil HELP_EVENT to cancel a help-echo.
4816 Do it only if there's something to cancel.
4817 Otherwise, the startup message is cleared when
4818 the mouse leaves the frame. */
4819 if (any_help_event_p
)
4823 dpyinfo
->grabbed
= 0;
4824 check_visibility
= 1;
4828 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4832 inev
.kind
= DELETE_WINDOW_EVENT
;
4833 XSETFRAME (inev
.frame_or_window
, f
);
4838 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4842 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4843 XSETFRAME (inev
.frame_or_window
, f
);
4848 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4852 extern void menubar_selection_callback
4853 (FRAME_PTR f
, void * client_data
);
4854 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4857 check_visibility
= 1;
4860 case WM_DISPLAYCHANGE
:
4861 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4865 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4866 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4867 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4868 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4872 check_visibility
= 1;
4876 /* Check for messages registered at runtime. */
4877 if (msg
.msg
.message
== msh_mousewheel
)
4879 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4880 msg
.msg
.message
= WM_MOUSEWHEEL
;
4886 if (inev
.kind
!= NO_EVENT
)
4888 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4893 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4898 XSETFRAME (frame
, f
);
4904 if (NILP (help_echo_string
))
4906 help_echo_object
= help_echo_window
= Qnil
;
4910 any_help_event_p
= 1;
4911 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4912 help_echo_object
, help_echo_pos
);
4916 help_echo_string
= Qnil
;
4917 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4923 /* If the focus was just given to an autoraising frame,
4925 /* ??? This ought to be able to handle more than one such frame. */
4926 if (pending_autoraise_frame
)
4928 x_raise_frame (pending_autoraise_frame
);
4929 pending_autoraise_frame
= 0;
4932 /* Check which frames are still visisble, if we have enqueued any user
4933 events or been notified of events that may affect visibility. We
4934 do this here because there doesn't seem to be any direct
4935 notification from Windows that the visibility of a window has
4936 changed (at least, not in all cases). */
4937 if (count
> 0 || check_visibility
)
4939 Lisp_Object tail
, frame
;
4941 FOR_EACH_FRAME (tail
, frame
)
4943 FRAME_PTR f
= XFRAME (frame
);
4944 /* The tooltip has been drawn already. Avoid the
4945 SET_FRAME_GARBAGED below. */
4946 if (EQ (frame
, tip_frame
))
4949 /* Check "visible" frames and mark each as obscured or not.
4950 Note that async_visible is nonzero for unobscured and
4951 obscured frames, but zero for hidden and iconified frames. */
4952 if (FRAME_W32_P (f
) && f
->async_visible
)
4958 /* Query clipping rectangle for the entire window area
4959 (GetWindowDC), not just the client portion (GetDC).
4960 Otherwise, the scrollbars and menubar aren't counted as
4961 part of the visible area of the frame, and we may think
4962 the frame is obscured when really a scrollbar is still
4963 visible and gets WM_PAINT messages above. */
4964 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4965 GetClipBox (hdc
, &clipbox
);
4966 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4969 if (clipbox
.right
== clipbox
.left
4970 || clipbox
.bottom
== clipbox
.top
)
4972 /* Frame has become completely obscured so mark as
4973 such (we do this by setting async_visible to 2 so
4974 that FRAME_VISIBLE_P is still true, but redisplay
4976 f
->async_visible
= 2;
4978 if (!FRAME_OBSCURED_P (f
))
4980 DebPrint (("frame %p (%s) obscured\n", f
,
4986 /* Frame is not obscured, so mark it as such. */
4987 f
->async_visible
= 1;
4989 if (FRAME_OBSCURED_P (f
))
4991 SET_FRAME_GARBAGED (f
);
4992 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4995 /* Force a redisplay sooner or later. */
4996 record_asynch_buffer_change ();
5009 /***********************************************************************
5011 ***********************************************************************/
5013 /* Set clipping for output in glyph row ROW. W is the window in which
5014 we operate. GC is the graphics context to set clipping in.
5016 ROW may be a text row or, e.g., a mode line. Text rows must be
5017 clipped to the interior of the window dedicated to text display,
5018 mode lines must be clipped to the whole window. */
5021 w32_clip_to_row (w
, row
, area
, hdc
)
5023 struct glyph_row
*row
;
5027 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5029 int window_x
, window_y
, window_width
;
5031 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5033 clip_rect
.left
= window_x
;
5034 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5035 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5036 clip_rect
.right
= clip_rect
.left
+ window_width
;
5037 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5039 w32_set_clip_rectangle (hdc
, &clip_rect
);
5043 /* Draw a hollow box cursor on window W in glyph row ROW. */
5046 x_draw_hollow_cursor (w
, row
)
5048 struct glyph_row
*row
;
5050 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5054 struct glyph
*cursor_glyph
;
5055 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5057 /* Get the glyph the cursor is on. If we can't tell because
5058 the current matrix is invalid or such, give up. */
5059 cursor_glyph
= get_phys_cursor_glyph (w
);
5060 if (cursor_glyph
== NULL
)
5063 /* Compute frame-relative coordinates for phys cursor. */
5064 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5067 rect
.bottom
= rect
.top
+ h
;
5068 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5070 hdc
= get_frame_dc (f
);
5071 /* Set clipping, draw the rectangle, and reset clipping again. */
5072 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5073 FrameRect (hdc
, &rect
, hb
);
5075 w32_set_clip_rectangle (hdc
, NULL
);
5076 release_frame_dc (f
, hdc
);
5080 /* Draw a bar cursor on window W in glyph row ROW.
5082 Implementation note: One would like to draw a bar cursor with an
5083 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5084 Unfortunately, I didn't find a font yet that has this property set.
5088 x_draw_bar_cursor (w
, row
, width
, kind
)
5090 struct glyph_row
*row
;
5092 enum text_cursor_kinds kind
;
5094 struct frame
*f
= XFRAME (w
->frame
);
5095 struct glyph
*cursor_glyph
;
5099 /* If cursor is out of bounds, don't draw garbage. This can happen
5100 in mini-buffer windows when switching between echo area glyphs
5102 cursor_glyph
= get_phys_cursor_glyph (w
);
5103 if (cursor_glyph
== NULL
)
5106 /* If on an image, draw like a normal cursor. That's usually better
5107 visible than drawing a bar, esp. if the image is large so that
5108 the bar might not be in the window. */
5109 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5111 struct glyph_row
*row
;
5112 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5113 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5117 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5118 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5120 /* If the glyph's background equals the color we normally draw
5121 the bar cursor in, the bar cursor in its normal color is
5122 invisible. Use the glyph's foreground color instead in this
5123 case, on the assumption that the glyph's colors are chosen so
5124 that the glyph is legible. */
5125 if (face
->background
== cursor_color
)
5126 cursor_color
= face
->foreground
;
5128 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5131 width
= FRAME_CURSOR_WIDTH (f
);
5132 width
= min (cursor_glyph
->pixel_width
, width
);
5134 w
->phys_cursor_width
= width
;
5137 hdc
= get_frame_dc (f
);
5138 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5140 if (kind
== BAR_CURSOR
)
5142 w32_fill_area (f
, hdc
, cursor_color
, x
,
5143 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5144 width
, row
->height
);
5148 w32_fill_area (f
, hdc
, cursor_color
, x
,
5149 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5150 row
->height
- width
),
5151 cursor_glyph
->pixel_width
, width
);
5154 w32_set_clip_rectangle (hdc
, NULL
);
5155 release_frame_dc (f
, hdc
);
5160 /* RIF: Define cursor CURSOR on frame F. */
5163 w32_define_frame_cursor (f
, cursor
)
5167 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5171 /* RIF: Clear area on frame F. */
5174 w32_clear_frame_area (f
, x
, y
, width
, height
)
5176 int x
, y
, width
, height
;
5180 hdc
= get_frame_dc (f
);
5181 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5182 release_frame_dc (f
, hdc
);
5185 /* RIF: Draw or clear cursor on window W. */
5188 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5190 struct glyph_row
*glyph_row
;
5192 int cursor_type
, cursor_width
;
5197 /* If the user wants to use the system caret, make sure our own
5198 cursor remains invisible. */
5199 if (w32_use_visible_system_caret
)
5201 /* Call to erase_phys_cursor here seems to use the
5202 wrong values of w->phys_cursor, as they have been
5203 overwritten before this function was called. */
5204 if (w
->phys_cursor_type
!= NO_CURSOR
)
5205 erase_phys_cursor (w
);
5207 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5208 w
->phys_cursor_width
= -1;
5212 w
->phys_cursor_type
= cursor_type
;
5215 w
->phys_cursor_on_p
= 1;
5217 /* If this is the active cursor, we need to track it with the
5218 system caret, so third party software like screen magnifiers
5219 and speech synthesizers can follow the cursor. */
5222 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5223 HWND hwnd
= FRAME_W32_WINDOW (f
);
5226 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5228 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5229 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5231 /* If the size of the active cursor changed, destroy the old
5233 if (w32_system_caret_hwnd
5234 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5235 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5237 w32_system_caret_height
= w
->phys_cursor_height
;
5239 /* Move the system caret. */
5240 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5243 if (glyph_row
->exact_window_width_line_p
5244 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5246 glyph_row
->cursor_in_fringe_p
= 1;
5247 draw_fringe_bitmap (w
, glyph_row
, 0);
5251 switch (cursor_type
)
5253 case HOLLOW_BOX_CURSOR
:
5254 x_draw_hollow_cursor (w
, glyph_row
);
5257 case FILLED_BOX_CURSOR
:
5258 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5262 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5266 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5270 w
->phys_cursor_width
= 0;
5284 x_bitmap_icon (f
, icon
)
5289 HANDLE small_icon
= NULL
;
5291 if (FRAME_W32_WINDOW (f
) == 0)
5295 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5296 else if (STRINGP (icon
))
5298 /* Load the main icon from the named file. */
5299 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5300 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5301 /* Try to load a small icon to go with it. */
5302 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5303 GetSystemMetrics (SM_CXSMICON
),
5304 GetSystemMetrics (SM_CYSMICON
),
5307 else if (SYMBOLP (icon
))
5311 if (EQ (icon
, intern ("application")))
5312 name
= (LPCTSTR
) IDI_APPLICATION
;
5313 else if (EQ (icon
, intern ("hand")))
5314 name
= (LPCTSTR
) IDI_HAND
;
5315 else if (EQ (icon
, intern ("question")))
5316 name
= (LPCTSTR
) IDI_QUESTION
;
5317 else if (EQ (icon
, intern ("exclamation")))
5318 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5319 else if (EQ (icon
, intern ("asterisk")))
5320 name
= (LPCTSTR
) IDI_ASTERISK
;
5321 else if (EQ (icon
, intern ("winlogo")))
5322 name
= (LPCTSTR
) IDI_WINLOGO
;
5326 main_icon
= LoadIcon (NULL
, name
);
5331 if (main_icon
== NULL
)
5334 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5335 (LPARAM
) main_icon
);
5337 /* If there is a small icon that goes with it, set that too. */
5339 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5340 (LPARAM
) small_icon
);
5346 /************************************************************************
5348 ************************************************************************/
5350 /* Display Error Handling functions not used on W32. Listing them here
5351 helps diff stay in step when comparing w32term.c with xterm.c.
5353 x_error_catcher (display, error)
5354 x_catch_errors (dpy)
5355 x_catch_errors_unwind (old_val)
5356 x_check_errors (dpy, format)
5357 x_fully_uncatch_errors ()
5358 x_catching_errors ()
5359 x_had_errors_p (dpy)
5360 x_clear_errors (dpy)
5361 x_uncatch_errors (dpy, count)
5363 x_connection_signal (signalnum)
5364 x_connection_closed (dpy, error_message)
5365 x_error_quitter (display, error)
5366 x_error_handler (display, error)
5367 x_io_error_quitter (display)
5372 /* Changing the font of the frame. */
5374 /* Give frame F the font named FONTNAME as its default font, and
5375 return the full name of that font. FONTNAME may be a wildcard
5376 pattern; in that case, we choose some font that fits the pattern.
5377 The return value shows which font we chose. */
5380 x_new_font (f
, fontname
)
5382 register char *fontname
;
5384 struct font_info
*fontp
5385 = FS_LOAD_FONT (f
, fontname
);
5390 if (FRAME_FONT (f
) == (XFontStruct
*) (fontp
->font
))
5391 /* This font is already set in frame F. There's nothing more to
5393 return build_string (fontp
->full_name
);
5395 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5396 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5397 FRAME_FONTSET (f
) = -1;
5399 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5400 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5401 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5403 compute_fringe_widths (f
, 1);
5405 /* Compute the scroll bar width in character columns. */
5406 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5408 int wid
= FRAME_COLUMN_WIDTH (f
);
5409 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5410 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5414 int wid
= FRAME_COLUMN_WIDTH (f
);
5415 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5418 /* Now make the frame display the given font. */
5419 if (FRAME_W32_WINDOW (f
) != 0)
5421 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5422 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5425 return build_string (fontp
->full_name
);
5428 /* Give frame F the fontset named FONTSETNAME as its default fontset,
5429 and return the full name of that fontset. FONTSETNAME may be a
5430 wildcard pattern; in that case, we choose some fontset that fits
5431 the pattern. FONTSETNAME may be a font name for ASCII characters;
5432 in that case, we create a fontset from that font name.
5434 The return value shows which fontset we chose.
5435 If FONTSETNAME specifies the default fontset, return Qt.
5436 If an ASCII font in the specified fontset can't be loaded, return
5440 x_new_fontset (f
, fontsetname
)
5442 Lisp_Object fontsetname
;
5444 int fontset
= fs_query_fontset (fontsetname
, 0);
5447 if (fontset
> 0 && FRAME_FONTSET(f
) == fontset
)
5448 /* This fontset is already set in frame F. There's nothing more
5450 return fontset_name (fontset
);
5451 else if (fontset
== 0)
5452 /* The default fontset can't be the default font. */
5456 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5458 result
= x_new_font (f
, SDATA (fontsetname
));
5460 if (!STRINGP (result
))
5461 /* Can't load ASCII font. */
5465 fontset
= new_fontset_from_font_name (result
);
5467 /* Since x_new_font doesn't update any fontset information, do it now. */
5468 FRAME_FONTSET(f
) = fontset
;
5470 return fontset_name (fontset
);
5474 /***********************************************************************
5475 TODO: W32 Input Methods
5476 ***********************************************************************/
5477 /* Listing missing functions from xterm.c helps diff stay in step.
5479 xim_destroy_callback (xim, client_data, call_data)
5480 xim_open_dpy (dpyinfo, resource_name)
5482 xim_instantiate_callback (display, client_data, call_data)
5483 xim_initialize (dpyinfo, resource_name)
5484 xim_close_dpy (dpyinfo)
5489 /* Calculate the absolute position in frame F
5490 from its current recorded position values and gravity. */
5493 x_calc_absolute_position (f
)
5496 int flags
= f
->size_hint_flags
;
5498 /* The sum of the widths of the frame's left and right borders, and
5499 the sum of the heights of the frame's top and bottom borders (in
5500 pixels) drawn by Windows. */
5501 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5503 /* Try to get the actual values of these two variables. We compute
5504 the border width (height) by subtracting the width (height) of
5505 the frame's client area from the width (height) of the frame's
5507 WINDOWPLACEMENT wp
= { 0 };
5508 RECT client_rect
= { 0 };
5510 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5511 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5513 left_right_borders_width
=
5514 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5515 (client_rect
.right
- client_rect
.left
);
5517 top_bottom_borders_height
=
5518 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5519 (client_rect
.bottom
- client_rect
.top
);
5523 /* Use sensible default values. */
5524 left_right_borders_width
= 8;
5525 top_bottom_borders_height
= 32;
5528 /* Treat negative positions as relative to the rightmost bottommost
5529 position that fits on the screen. */
5530 if (flags
& XNegative
)
5531 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5532 - FRAME_PIXEL_WIDTH (f
)
5534 - (left_right_borders_width
- 1));
5536 if (flags
& YNegative
)
5537 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5538 - FRAME_PIXEL_HEIGHT (f
)
5540 - (top_bottom_borders_height
- 1));
5542 /* The left_pos and top_pos are now relative to the top and left
5543 screen edges, so the flags should correspond. */
5544 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5547 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5548 to really change the position, and 0 when calling from
5549 x_make_frame_visible (in that case, XOFF and YOFF are the current
5550 position values). It is -1 when calling from x_set_frame_parameters,
5551 which means, do adjust for borders but don't change the gravity. */
5554 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5556 register int xoff
, yoff
;
5559 int modified_top
, modified_left
;
5561 if (change_gravity
> 0)
5565 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5567 f
->size_hint_flags
|= XNegative
;
5569 f
->size_hint_flags
|= YNegative
;
5570 f
->win_gravity
= NorthWestGravity
;
5572 x_calc_absolute_position (f
);
5575 x_wm_set_size_hint (f
, (long) 0, 0);
5577 modified_left
= f
->left_pos
;
5578 modified_top
= f
->top_pos
;
5580 my_set_window_pos (FRAME_W32_WINDOW (f
),
5582 modified_left
, modified_top
,
5584 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5589 /* Check if we need to resize the frame due to a fullscreen request.
5590 If so needed, resize the frame. */
5592 x_check_fullscreen (f
)
5595 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5597 int width
, height
, ign
;
5599 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5601 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5603 /* We do not need to move the window, it shall be taken care of
5604 when setting WM manager hints. */
5605 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5607 change_frame_size (f
, height
, width
, 0, 1, 0);
5608 SET_FRAME_GARBAGED (f
);
5609 cancel_mouse_face (f
);
5611 /* Wait for the change of frame size to occur */
5612 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5617 /* Call this to change the size of frame F's x-window.
5618 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5619 for this size change and subsequent size changes.
5620 Otherwise we leave the window gravity unchanged. */
5623 x_set_window_size (f
, change_gravity
, cols
, rows
)
5628 int pixelwidth
, pixelheight
;
5632 check_frame_size (f
, &rows
, &cols
);
5633 f
->scroll_bar_actual_width
5634 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5636 compute_fringe_widths (f
, 0);
5638 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5639 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5641 f
->win_gravity
= NorthWestGravity
;
5642 x_wm_set_size_hint (f
, (long) 0, 0);
5647 rect
.left
= rect
.top
= 0;
5648 rect
.right
= pixelwidth
;
5649 rect
.bottom
= pixelheight
;
5651 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5652 FRAME_EXTERNAL_MENU_BAR (f
));
5654 my_set_window_pos (FRAME_W32_WINDOW (f
),
5657 rect
.right
- rect
.left
,
5658 rect
.bottom
- rect
.top
,
5659 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5662 /* Now, strictly speaking, we can't be sure that this is accurate,
5663 but the window manager will get around to dealing with the size
5664 change request eventually, and we'll hear how it went when the
5665 ConfigureNotify event gets here.
5667 We could just not bother storing any of this information here,
5668 and let the ConfigureNotify event set everything up, but that
5669 might be kind of confusing to the Lisp code, since size changes
5670 wouldn't be reported in the frame parameters until some random
5671 point in the future when the ConfigureNotify event arrives.
5673 We pass 1 for DELAY since we can't run Lisp code inside of
5675 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5676 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5677 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5679 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5680 receive in the ConfigureNotify event; if we get what we asked
5681 for, then the event won't cause the screen to become garbaged, so
5682 we have to make sure to do it here. */
5683 SET_FRAME_GARBAGED (f
);
5685 /* If cursor was outside the new size, mark it as off. */
5686 mark_window_cursors_off (XWINDOW (f
->root_window
));
5688 /* Clear out any recollection of where the mouse highlighting was,
5689 since it might be in a place that's outside the new frame size.
5690 Actually checking whether it is outside is a pain in the neck,
5691 so don't try--just let the highlighting be done afresh with new size. */
5692 cancel_mouse_face (f
);
5697 /* Mouse warping. */
5699 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5702 x_set_mouse_position (f
, x
, y
)
5708 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5709 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5711 if (pix_x
< 0) pix_x
= 0;
5712 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5714 if (pix_y
< 0) pix_y
= 0;
5715 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5717 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5721 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5730 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5731 pt
.x
= rect
.left
+ pix_x
;
5732 pt
.y
= rect
.top
+ pix_y
;
5733 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5735 SetCursorPos (pt
.x
, pt
.y
);
5741 /* focus shifting, raising and lowering. */
5744 x_focus_on_frame (f
)
5747 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5749 /* Give input focus to frame. */
5752 /* Try not to change its Z-order if possible. */
5753 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5754 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5757 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5767 /* Raise frame F. */
5774 /* Strictly speaking, raise-frame should only change the frame's Z
5775 order, leaving input focus unchanged. This is reasonable behaviour
5776 on X where the usual policy is point-to-focus. However, this
5777 behaviour would be very odd on Windows where the usual policy is
5780 On X, if the mouse happens to be over the raised frame, it gets
5781 input focus anyway (so the window with focus will never be
5782 completely obscured) - if not, then just moving the mouse over it
5783 is sufficient to give it focus. On Windows, the user must actually
5784 click on the frame (preferrably the title bar so as not to move
5785 point), which is more awkward. Also, no other Windows program
5786 raises a window to the top but leaves another window (possibly now
5787 completely obscured) with input focus.
5789 Because there is a system setting on Windows that allows the user
5790 to choose the point to focus policy, we make the strict semantics
5791 optional, but by default we grab focus when raising. */
5793 if (NILP (Vw32_grab_focus_on_raise
))
5795 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5796 not already the foreground application: the frame is raised
5797 above all other frames belonging to us, but not above the
5798 current top window. To achieve that, we have to resort to this
5799 more cumbersome method. */
5801 HDWP handle
= BeginDeferWindowPos (2);
5804 DeferWindowPos (handle
,
5805 FRAME_W32_WINDOW (f
),
5808 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5810 DeferWindowPos (handle
,
5811 GetForegroundWindow (),
5812 FRAME_W32_WINDOW (f
),
5814 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5816 EndDeferWindowPos (handle
);
5821 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5827 /* Lower frame F. */
5833 my_set_window_pos (FRAME_W32_WINDOW (f
),
5836 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5841 w32_frame_raise_lower (f
, raise_flag
)
5845 if (! FRAME_W32_P (f
))
5854 /* Change of visibility. */
5856 /* This tries to wait until the frame is really visible.
5857 However, if the window manager asks the user where to position
5858 the frame, this will return before the user finishes doing that.
5859 The frame will not actually be visible at that time,
5860 but it will become visible later when the window manager
5861 finishes with it. */
5864 x_make_frame_visible (f
)
5871 type
= x_icon_type (f
);
5873 x_bitmap_icon (f
, type
);
5875 if (! FRAME_VISIBLE_P (f
))
5877 /* We test FRAME_GARBAGED_P here to make sure we don't
5878 call x_set_offset a second time
5879 if we get to x_make_frame_visible a second time
5880 before the window gets really visible. */
5881 if (! FRAME_ICONIFIED_P (f
)
5882 && ! f
->output_data
.w32
->asked_for_visible
)
5887 /* Adjust vertical window position in order to avoid being
5888 covered by a task bar placed at the bottom of the desktop. */
5889 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5890 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5891 if (window_rect
.bottom
> workarea_rect
.bottom
5892 && window_rect
.top
> workarea_rect
.top
)
5893 f
->top_pos
= max (window_rect
.top
5894 - window_rect
.bottom
+ workarea_rect
.bottom
,
5897 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5900 f
->output_data
.w32
->asked_for_visible
= 1;
5902 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5903 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5906 /* Synchronize to ensure Emacs knows the frame is visible
5907 before we do anything else. We do this loop with input not blocked
5908 so that incoming events are handled. */
5913 /* This must come after we set COUNT. */
5916 XSETFRAME (frame
, f
);
5918 /* Wait until the frame is visible. Process X events until a
5919 MapNotify event has been seen, or until we think we won't get a
5920 MapNotify at all.. */
5921 for (count
= input_signal_count
+ 10;
5922 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5924 /* Force processing of queued events. */
5925 /* TODO: x_sync equivalent? */
5927 /* Machines that do polling rather than SIGIO have been observed
5928 to go into a busy-wait here. So we'll fake an alarm signal
5929 to let the handler know that there's something to be read.
5930 We used to raise a real alarm, but it seems that the handler
5931 isn't always enabled here. This is probably a bug. */
5932 if (input_polling_used ())
5934 /* It could be confusing if a real alarm arrives while processing
5935 the fake one. Turn it off and let the handler reset it. */
5936 int old_poll_suppress_count
= poll_suppress_count
;
5937 poll_suppress_count
= 1;
5938 poll_for_input_1 ();
5939 poll_suppress_count
= old_poll_suppress_count
;
5942 FRAME_SAMPLE_VISIBILITY (f
);
5946 /* Change from mapped state to withdrawn state. */
5948 /* Make the frame visible (mapped and not iconified). */
5950 x_make_frame_invisible (f
)
5953 /* Don't keep the highlight on an invisible frame. */
5954 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5955 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5959 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5961 /* We can't distinguish this from iconification
5962 just by the event that we get from the server.
5963 So we can't win using the usual strategy of letting
5964 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5965 and synchronize with the server to make sure we agree. */
5967 FRAME_ICONIFIED_P (f
) = 0;
5968 f
->async_visible
= 0;
5969 f
->async_iconified
= 0;
5974 /* Change window state from mapped to iconified. */
5982 /* Don't keep the highlight on an invisible frame. */
5983 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5984 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5986 if (f
->async_iconified
)
5991 type
= x_icon_type (f
);
5993 x_bitmap_icon (f
, type
);
5995 /* Simulate the user minimizing the frame. */
5996 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6002 /* Free X resources of frame F. */
6005 x_free_frame_resources (f
)
6008 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6012 if (FRAME_W32_WINDOW (f
))
6013 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6015 free_frame_menubar (f
);
6017 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
6018 unload_color (f
, f
->output_data
.x
->background_pixel
);
6019 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6020 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6021 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6022 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6023 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6024 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6025 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6026 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6028 if (FRAME_FACE_CACHE (f
))
6029 free_frame_faces (f
);
6031 xfree (f
->output_data
.w32
);
6032 f
->output_data
.w32
= NULL
;
6034 if (f
== dpyinfo
->w32_focus_frame
)
6035 dpyinfo
->w32_focus_frame
= 0;
6036 if (f
== dpyinfo
->w32_focus_event_frame
)
6037 dpyinfo
->w32_focus_event_frame
= 0;
6038 if (f
== dpyinfo
->x_highlight_frame
)
6039 dpyinfo
->x_highlight_frame
= 0;
6041 if (f
== dpyinfo
->mouse_face_mouse_frame
)
6043 dpyinfo
->mouse_face_beg_row
6044 = dpyinfo
->mouse_face_beg_col
= -1;
6045 dpyinfo
->mouse_face_end_row
6046 = dpyinfo
->mouse_face_end_col
= -1;
6047 dpyinfo
->mouse_face_window
= Qnil
;
6048 dpyinfo
->mouse_face_deferred_gc
= 0;
6049 dpyinfo
->mouse_face_mouse_frame
= 0;
6056 /* Destroy the window of frame F. */
6058 x_destroy_window (f
)
6061 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6063 x_free_frame_resources (f
);
6065 dpyinfo
->reference_count
--;
6069 /* Setting window manager hints. */
6071 /* Set the normal size hints for the window manager, for frame F.
6072 FLAGS is the flags word to use--or 0 meaning preserve the flags
6073 that the window now has.
6074 If USER_POSITION is nonzero, we set the USPosition
6075 flag (this is useful when FLAGS is 0). */
6077 x_wm_set_size_hint (f
, flags
, user_position
)
6082 Window window
= FRAME_W32_WINDOW (f
);
6086 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6087 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6088 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6089 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6094 /* Window manager things */
6096 x_wm_set_icon_position (f
, icon_x
, icon_y
)
6101 Window window
= FRAME_W32_WINDOW (f
);
6103 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6104 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6105 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6107 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6112 /***********************************************************************
6114 ***********************************************************************/
6116 /* The following functions are listed here to help diff stay in step
6117 with xterm.c. See w32fns.c for definitions.
6119 x_get_font_info (f, font_idx)
6120 x_list_fonts (f, pattern, size, maxnames)
6126 /* Check that FONT is valid on frame F. It is if it can be found in F's
6130 x_check_font (f
, font
)
6135 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6137 xassert (font
!= NULL
);
6139 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6140 if (dpyinfo
->font_table
[i
].name
6141 && font
== dpyinfo
->font_table
[i
].font
)
6144 xassert (i
< dpyinfo
->n_fonts
);
6147 #endif /* GLYPH_DEBUG != 0 */
6149 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6150 Note: There are (broken) X fonts out there with invalid XFontStruct
6151 min_bounds contents. For example, handa@etl.go.jp reports that
6152 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6153 have font->min_bounds.width == 0. */
6156 x_font_min_bounds (font
, w
, h
)
6161 * TODO: Windows does not appear to offer min bound, only
6162 * average and maximum width, and maximum height.
6164 *h
= FONT_HEIGHT (font
);
6165 *w
= FONT_WIDTH (font
);
6169 /* Compute the smallest character width and smallest font height over
6170 all fonts available on frame F. Set the members smallest_char_width
6171 and smallest_font_height in F's x_display_info structure to
6172 the values computed. Value is non-zero if smallest_font_height or
6173 smallest_char_width become smaller than they were before. */
6176 x_compute_min_glyph_bounds (f
)
6180 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6182 int old_width
= dpyinfo
->smallest_char_width
;
6183 int old_height
= dpyinfo
->smallest_font_height
;
6185 dpyinfo
->smallest_font_height
= 100000;
6186 dpyinfo
->smallest_char_width
= 100000;
6188 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6189 if (dpyinfo
->font_table
[i
].name
)
6191 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6194 font
= (XFontStruct
*) fontp
->font
;
6195 xassert (font
!= (XFontStruct
*) ~0);
6196 x_font_min_bounds (font
, &w
, &h
);
6198 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6199 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6202 xassert (dpyinfo
->smallest_char_width
> 0
6203 && dpyinfo
->smallest_font_height
> 0);
6205 return (dpyinfo
->n_fonts
== 1
6206 || dpyinfo
->smallest_char_width
< old_width
6207 || dpyinfo
->smallest_font_height
< old_height
);
6210 /* The following functions are listed here to help diff stay in step
6211 with xterm.c. See w32fns.c for definitions.
6213 x_load_font (f, fontname, size)
6214 x_query_font (f, fontname)
6215 x_find_ccl_program (fontp)
6219 /***********************************************************************
6221 ***********************************************************************/
6223 static int w32_initialized
= 0;
6226 w32_initialize_display_info (display_name
)
6227 Lisp_Object display_name
;
6229 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6231 bzero (dpyinfo
, sizeof (*dpyinfo
));
6233 /* Put it on w32_display_name_list. */
6234 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6235 w32_display_name_list
);
6236 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6238 dpyinfo
->w32_id_name
6239 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6240 + SCHARS (Vsystem_name
)
6242 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6243 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6245 /* Default Console mode values - overridden when running in GUI mode
6246 with values obtained from system metrics. */
6249 dpyinfo
->height_in
= 1;
6250 dpyinfo
->width_in
= 1;
6251 dpyinfo
->n_planes
= 1;
6252 dpyinfo
->n_cbits
= 4;
6253 dpyinfo
->n_fonts
= 0;
6254 dpyinfo
->smallest_font_height
= 1;
6255 dpyinfo
->smallest_char_width
= 1;
6257 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6258 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6259 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6260 dpyinfo
->mouse_face_window
= Qnil
;
6261 dpyinfo
->mouse_face_overlay
= Qnil
;
6262 dpyinfo
->mouse_face_hidden
= 0;
6264 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6265 /* TODO: dpyinfo->gray */
6269 /* Create an xrdb-style database of resources to supercede registry settings.
6270 The database is just a concatenation of C strings, finished by an additional
6271 \0. The string are submitted to some basic normalization, so
6273 [ *]option[ *]:[ *]value...
6279 but any whitespace following value is not removed. */
6282 w32_make_rdb (xrm_option
)
6285 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6286 char *current
= buffer
;
6289 int before_value
= 0;
6303 if (in_option
&& (ch
== ':'))
6308 else if (before_value
)
6313 else if (!(in_option
|| before_value
))
6324 struct w32_display_info
*
6325 w32_term_init (display_name
, xrm_option
, resource_name
)
6326 Lisp_Object display_name
;
6328 char *resource_name
;
6330 struct w32_display_info
*dpyinfo
;
6335 if (!w32_initialized
)
6338 w32_initialized
= 1;
6341 w32_initialize_display_info (display_name
);
6343 dpyinfo
= &one_w32_display_info
;
6345 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6347 /* Put this display on the chain. */
6348 dpyinfo
->next
= x_display_list
;
6349 x_display_list
= dpyinfo
;
6351 hdc
= GetDC (GetDesktopWindow ());
6353 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6354 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6355 dpyinfo
->root_window
= GetDesktopWindow ();
6356 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6357 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6358 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6359 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6360 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6361 dpyinfo
->image_cache
= make_image_cache ();
6362 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6363 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6364 ReleaseDC (GetDesktopWindow (), hdc
);
6366 /* initialise palette with white and black */
6369 w32_defined_color (0, "white", &color
, 1);
6370 w32_defined_color (0, "black", &color
, 1);
6373 /* Create Fringe Bitmaps and store them for later use.
6375 On W32, bitmaps are all unsigned short, as Windows requires
6376 bitmap data to be Word aligned. For some reason they are
6377 horizontally reflected compared to how they appear on X, so we
6378 need to bitswap and convert to unsigned shorts before creating
6382 #ifndef F_SETOWN_BUG
6384 #ifdef F_SETOWN_SOCK_NEG
6385 /* stdin is a socket here */
6386 fcntl (connection
, F_SETOWN
, -getpid ());
6387 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6388 fcntl (connection
, F_SETOWN
, getpid ());
6389 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6390 #endif /* ! defined (F_SETOWN) */
6391 #endif /* F_SETOWN_BUG */
6394 if (interrupt_input
)
6395 init_sigio (connection
);
6396 #endif /* ! defined (SIGIO) */
6403 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6406 x_delete_display (dpyinfo
)
6407 struct w32_display_info
*dpyinfo
;
6409 /* Discard this display from w32_display_name_list and w32_display_list.
6410 We can't use Fdelq because that can quit. */
6411 if (! NILP (w32_display_name_list
)
6412 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6413 w32_display_name_list
= XCDR (w32_display_name_list
);
6418 tail
= w32_display_name_list
;
6419 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6421 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6423 XSETCDR (tail
, XCDR (XCDR (tail
)));
6430 /* free palette table */
6432 struct w32_palette_entry
* plist
;
6434 plist
= dpyinfo
->color_list
;
6437 struct w32_palette_entry
* pentry
= plist
;
6438 plist
= plist
->next
;
6441 dpyinfo
->color_list
= NULL
;
6442 if (dpyinfo
->palette
)
6443 DeleteObject(dpyinfo
->palette
);
6445 xfree (dpyinfo
->font_table
);
6446 xfree (dpyinfo
->w32_id_name
);
6448 w32_reset_fringes ();
6451 /* Set up use of W32. */
6453 DWORD WINAPI
w32_msg_worker (void * arg
);
6456 x_flush (struct frame
* f
)
6457 { /* Nothing to do */ }
6459 extern frame_parm_handler w32_frame_parm_handlers
[];
6461 static struct redisplay_interface w32_redisplay_interface
=
6463 w32_frame_parm_handlers
,
6467 x_clear_end_of_line
,
6469 x_after_update_window_line
,
6470 x_update_window_begin
,
6471 x_update_window_end
,
6474 0, /* flush_display_optional */
6475 x_clear_window_mouse_face
,
6476 w32_get_glyph_overhangs
,
6477 x_fix_overlapping_area
,
6478 w32_draw_fringe_bitmap
,
6479 w32_define_fringe_bitmap
,
6480 w32_destroy_fringe_bitmap
,
6481 w32_per_char_metric
,
6483 NULL
, /* w32_compute_glyph_string_overhangs */
6484 x_draw_glyph_string
,
6485 w32_define_frame_cursor
,
6486 w32_clear_frame_area
,
6487 w32_draw_window_cursor
,
6488 w32_draw_vertical_window_border
,
6489 w32_shift_glyphs_for_insert
6495 rif
= &w32_redisplay_interface
;
6497 /* MSVC does not type K&R functions with no arguments correctly, and
6498 so we must explicitly cast them. */
6499 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6500 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6501 update_begin_hook
= x_update_begin
;
6502 update_end_hook
= x_update_end
;
6504 read_socket_hook
= w32_read_socket
;
6506 frame_up_to_date_hook
= w32_frame_up_to_date
;
6508 mouse_position_hook
= w32_mouse_position
;
6509 frame_rehighlight_hook
= w32_frame_rehighlight
;
6510 frame_raise_lower_hook
= w32_frame_raise_lower
;
6511 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6512 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6513 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6514 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6516 scroll_region_ok
= 1; /* we'll scroll partial frames */
6517 char_ins_del_ok
= 1;
6518 line_ins_del_ok
= 1; /* we'll just blt 'em */
6519 fast_clear_end_of_line
= 1; /* X does this well */
6520 memory_below_frame
= 0; /* we don't remember what scrolls
6524 w32_system_caret_hwnd
= NULL
;
6525 w32_system_caret_height
= 0;
6526 w32_system_caret_x
= 0;
6527 w32_system_caret_y
= 0;
6529 /* Initialize w32_use_visible_system_caret based on whether a screen
6530 reader is in use. */
6531 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6532 &w32_use_visible_system_caret
, 0))
6533 w32_use_visible_system_caret
= 0;
6535 last_tool_bar_item
= -1;
6536 any_help_event_p
= 0;
6538 /* Initialize input mode: interrupt_input off, no flow control, allow
6539 8 bit character input, standard quit char. */
6540 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6542 /* Create the window thread - it will terminate itself or when the app terminates */
6546 dwMainThreadId
= GetCurrentThreadId ();
6547 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6548 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6550 /* Wait for thread to start */
6555 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6557 hWindowsThread
= CreateThread (NULL
, 0,
6559 0, 0, &dwWindowsThreadId
);
6561 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6564 /* It is desirable that mainThread should have the same notion of
6565 focus window and active window as windowsThread. Unfortunately, the
6566 following call to AttachThreadInput, which should do precisely what
6567 we need, causes major problems when Emacs is linked as a console
6568 program. Unfortunately, we have good reasons for doing that, so
6569 instead we need to send messages to windowsThread to make some API
6570 calls for us (ones that affect, or depend on, the active/focus
6572 #ifdef ATTACH_THREADS
6573 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6576 /* Dynamically link to optional system components. */
6578 UINT smoothing_type
;
6579 BOOL smoothing_enabled
;
6581 HANDLE gdi_lib
= LoadLibrary ("gdi32.dll");
6583 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6585 LOAD_PROC (gdi_lib
, GetFontUnicodeRanges
);
6589 FreeLibrary (gdi_lib
);
6591 /* Ensure scrollbar handle is at least 5 pixels. */
6592 vertical_scroll_bar_min_handle
= 5;
6594 /* For either kind of scroll bar, take account of the arrows; these
6595 effectively form the border of the main scroll bar range. */
6596 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6597 = GetSystemMetrics (SM_CYVSCROLL
);
6599 /* Constants that are not always defined by the system headers
6600 since they only exist on certain versions of Windows. */
6601 #ifndef SPI_GETFONTSMOOTHING
6602 #define SPI_GETFONTSMOOTHING 0x4A
6604 #ifndef SPI_GETFONTSMOOTHINGTYPE
6605 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6607 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6608 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6611 /* Determine if Cleartype is in use. Used to enable a hack in
6612 the char metric calculations which adds extra pixels to
6613 compensate for the "sub-pixels" that are not counted by the
6616 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6617 && smoothing_enabled
6618 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6619 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6626 staticpro (&w32_display_name_list
);
6627 w32_display_name_list
= Qnil
;
6629 staticpro (&last_mouse_scroll_bar
);
6630 last_mouse_scroll_bar
= Qnil
;
6632 staticpro (&Qvendor_specific_keysyms
);
6633 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6635 DEFVAR_INT ("w32-num-mouse-buttons",
6636 &w32_num_mouse_buttons
,
6637 doc
: /* Number of physical mouse buttons. */);
6638 w32_num_mouse_buttons
= 2;
6640 DEFVAR_LISP ("w32-swap-mouse-buttons",
6641 &Vw32_swap_mouse_buttons
,
6642 doc
: /* Swap the mapping of middle and right mouse buttons.
6643 When nil, middle button is mouse-2 and right button is mouse-3. */);
6644 Vw32_swap_mouse_buttons
= Qnil
;
6646 DEFVAR_LISP ("w32-grab-focus-on-raise",
6647 &Vw32_grab_focus_on_raise
,
6648 doc
: /* Raised frame grabs input focus.
6649 When t, `raise-frame' grabs input focus as well. This fits well
6650 with the normal Windows click-to-focus policy, but might not be
6651 desirable when using a point-to-focus policy. */);
6652 Vw32_grab_focus_on_raise
= Qt
;
6654 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6655 &Vw32_capslock_is_shiftlock
,
6656 doc
: /* Apply CapsLock state to non character input keys.
6657 When nil, CapsLock only affects normal character input keys. */);
6658 Vw32_capslock_is_shiftlock
= Qnil
;
6660 DEFVAR_LISP ("w32-recognize-altgr",
6661 &Vw32_recognize_altgr
,
6662 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6663 When nil, the right-alt and left-ctrl key combination is
6664 interpreted normally. */);
6665 Vw32_recognize_altgr
= Qt
;
6667 DEFVAR_BOOL ("w32-enable-unicode-output",
6668 &w32_enable_unicode_output
,
6669 doc
: /* Enable the use of Unicode for text output if non-nil.
6670 Unicode output may prevent some third party applications for displaying
6671 Far-East Languages on Windows 95/98 from working properly.
6672 NT uses Unicode internally anyway, so this flag will probably have no
6673 affect on NT machines. */);
6674 w32_enable_unicode_output
= 1;
6676 DEFVAR_BOOL ("w32-use-visible-system-caret",
6677 &w32_use_visible_system_caret
,
6678 doc
: /* Flag to make the system caret visible.
6679 When this is non-nil, Emacs will indicate the position of point by
6680 using the system caret instead of drawing its own cursor. Some screen
6681 reader software does not track the system cursor properly when it is
6682 invisible, and gets confused by Emacs drawing its own cursor, so this
6683 variable is initialized to t when Emacs detects that screen reader
6684 software is running as it starts up.
6686 When this variable is set, other variables affecting the appearance of
6687 the cursor have no effect. */);
6689 w32_use_visible_system_caret
= 0;
6691 /* We don't yet support this, but defining this here avoids whining
6692 from cus-start.el and other places, like "M-x set-variable". */
6693 DEFVAR_BOOL ("x-use-underline-position-properties",
6694 &x_use_underline_position_properties
,
6695 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6696 A value of nil means ignore them. If you encounter fonts with bogus
6697 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6698 to 4.1, set this to nil.
6700 NOTE: Not supported on MS-Windows yet. */);
6701 x_use_underline_position_properties
= 0;
6703 DEFVAR_BOOL ("x-underline-at-descent-line",
6704 &x_underline_at_descent_line
,
6705 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6706 A value of nil means to draw the underline according to the value of the
6707 variable `x-use-underline-position-properties', which is usually at the
6708 baseline level. The default value is nil. */);
6709 x_underline_at_descent_line
= 0;
6711 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6712 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6713 Vx_toolkit_scroll_bars
= Qt
;
6715 staticpro (&last_mouse_motion_frame
);
6716 last_mouse_motion_frame
= Qnil
;
6719 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6720 (do not change this comment) */