1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001, 2005
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
27 #include "blockinput.h"
39 #include "character.h"
43 #include "dispextern.h"
45 #include "termhooks.h"
53 #include "intervals.h"
62 #define abs(x) ((x) < 0 ? -(x) : (x))
67 static int max_fringe_bmp
= 0;
68 static HBITMAP
*fringe_bmp
= 0;
70 /* Non-nil means Emacs uses toolkit scroll bars. */
72 Lisp_Object Vx_toolkit_scroll_bars
;
74 /* Temporary variables for w32_read_socket. */
76 static int last_mousemove_x
= 0;
77 static int last_mousemove_y
= 0;
79 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
80 #ifndef GET_WHEEL_DELTA_WPARAM
81 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
84 /* Non-zero means that a HELP_EVENT has been generated since Emacs
87 static int any_help_event_p
;
89 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
90 static Lisp_Object last_window
;
92 /* Non-zero means make use of UNDERLINE_POSITION font properties.
93 (Not yet supported, see TODO in x_draw_glyph_string.) */
94 int x_use_underline_position_properties
;
96 extern unsigned int msh_mousewheel
;
98 extern void free_frame_menubar ();
100 extern int w32_codepage_for_font (char *fontname
);
101 extern Cursor
w32_load_cursor (LPCTSTR name
);
103 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
104 unsigned char *text
, int dim
);
105 extern Lisp_Object Vwindow_system
;
107 #define x_any_window_to_frame x_window_to_frame
108 #define x_top_window_to_frame x_window_to_frame
111 /* This is display since w32 does not support multiple ones. */
112 struct w32_display_info one_w32_display_info
;
113 struct w32_display_info
*x_display_list
;
115 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
116 one for each element of w32_display_list and in the same order.
117 NAME is the name of the frame.
118 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
119 Lisp_Object w32_display_name_list
;
123 /* Pre Windows 2000, this was not available, but define it here so
124 that Emacs compiled on such a platform will run on newer versions. */
126 typedef struct tagWCRANGE
132 typedef struct tagGLYPHSET
136 DWORD cGlyphsSupported
;
143 /* Dynamic linking to GetFontUnicodeRanges (not available on 95, 98, ME). */
144 DWORD (PASCAL
*pfnGetFontUnicodeRanges
) (HDC device
, GLYPHSET
*ranges
);
146 /* Frame being updated by update_frame. This is declared in term.c.
147 This is set by update_begin and looked at by all the
148 w32 functions. It is zero while not inside an update.
149 In that case, the w32 functions assume that `SELECTED_FRAME ()'
150 is the frame to apply to. */
151 extern struct frame
*updating_frame
;
153 /* This is a frame waiting to be autoraised, within w32_read_socket. */
154 struct frame
*pending_autoraise_frame
;
156 /* The handle of the frame that currently owns the system caret. */
157 HWND w32_system_caret_hwnd
;
158 int w32_system_caret_height
;
159 int w32_system_caret_x
;
160 int w32_system_caret_y
;
161 int w32_use_visible_system_caret
;
163 /* Flag to enable Unicode output in case users wish to use programs
164 like Twinbridge on '95 rather than installed system level support
165 for Far East languages. */
166 int w32_enable_unicode_output
;
168 /* Flag to enable Cleartype hack for font metrics. */
169 static int cleartype_active
;
171 DWORD dwWindowsThreadId
= 0;
172 HANDLE hWindowsThread
= NULL
;
173 DWORD dwMainThreadId
= 0;
174 HANDLE hMainThread
= NULL
;
177 /* These definitions are new with Windows 95. */
178 #define SIF_RANGE 0x0001
179 #define SIF_PAGE 0x0002
180 #define SIF_POS 0x0004
181 #define SIF_DISABLENOSCROLL 0x0008
182 #define SIF_TRACKPOS 0x0010
183 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
185 typedef struct tagSCROLLINFO
194 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
195 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
198 /* Dynamic linking to new proportional scroll bar functions. */
199 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
200 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
202 int vertical_scroll_bar_min_handle
;
203 int vertical_scroll_bar_top_border
;
204 int vertical_scroll_bar_bottom_border
;
206 int last_scroll_bar_drag_pos
;
208 /* Mouse movement. */
210 /* Where the mouse was last time we reported a mouse event. */
212 static RECT last_mouse_glyph
;
213 static Lisp_Object last_mouse_press_frame
;
215 int w32_num_mouse_buttons
;
217 Lisp_Object Vw32_swap_mouse_buttons
;
219 /* Control whether x_raise_frame also sets input focus. */
220 Lisp_Object Vw32_grab_focus_on_raise
;
222 /* Control whether Caps Lock affects non-ascii characters. */
223 Lisp_Object Vw32_capslock_is_shiftlock
;
225 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
226 Lisp_Object Vw32_recognize_altgr
;
228 /* The scroll bar in which the last motion event occurred.
230 If the last motion event occurred in a scroll bar, we set this
231 so w32_mouse_position can know whether to report a scroll bar motion or
234 If the last motion event didn't occur in a scroll bar, we set this
235 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
236 static Lisp_Object last_mouse_scroll_bar
;
237 static int last_mouse_scroll_bar_pos
;
239 /* This is a hack. We would really prefer that w32_mouse_position would
240 return the time associated with the position it returns, but there
241 doesn't seem to be any way to wrest the time-stamp from the server
242 along with the position query. So, we just keep track of the time
243 of the last movement we received, and return that in hopes that
244 it's somewhat accurate. */
246 static Time last_mouse_movement_time
;
248 /* Incremented by w32_read_socket whenever it really tries to read
252 static int volatile input_signal_count
;
254 static int input_signal_count
;
257 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
263 /* A mask of extra modifier bits to put into every keyboard char. */
265 extern EMACS_INT extra_keyboard_modifiers
;
267 static void x_update_window_end
P_ ((struct window
*, int, int));
268 void w32_delete_display
P_ ((struct w32_display_info
*));
269 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
270 struct input_event
*));
271 void w32_define_cursor
P_ ((Window
, Cursor
));
273 void x_lower_frame
P_ ((struct frame
*));
274 void x_scroll_bar_clear
P_ ((struct frame
*));
275 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
276 void x_raise_frame
P_ ((struct frame
*));
277 void x_set_window_size
P_ ((struct frame
*, int, int, int));
278 void x_wm_set_window_state
P_ ((struct frame
*, int));
279 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
280 void w32_initialize
P_ ((void));
281 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
282 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
283 static void x_update_end
P_ ((struct frame
*));
284 static void w32_frame_up_to_date
P_ ((struct frame
*));
285 static void w32_set_terminal_modes
P_ ((void));
286 static void w32_reset_terminal_modes
P_ ((void));
287 static void x_clear_frame
P_ ((void));
288 static void frame_highlight
P_ ((struct frame
*));
289 static void frame_unhighlight
P_ ((struct frame
*));
290 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
292 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
293 struct frame
*, struct input_event
*));
294 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
295 W32Msg
*, struct input_event
*));
296 static void w32_frame_rehighlight
P_ ((struct frame
*));
297 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
298 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
299 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
300 enum text_cursor_kinds
));
301 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
302 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
303 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
304 static void my_set_focus
P_ ((struct frame
*, HWND
));
305 static void my_set_foreground_window
P_ ((HWND
));
306 static void my_destroy_window
P_ ((struct frame
*, HWND
));
308 static Lisp_Object Qvendor_specific_keysyms
;
311 /***********************************************************************
313 ***********************************************************************/
317 /* This is a function useful for recording debugging information about
318 the sequence of occurrences in this file. */
326 struct record event_record
[100];
328 int event_record_index
;
330 record_event (locus
, type
)
334 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
335 event_record_index
= 0;
337 event_record
[event_record_index
].locus
= locus
;
338 event_record
[event_record_index
].type
= type
;
339 event_record_index
++;
346 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
349 if (mask
& GCForeground
)
350 gc
->foreground
= xgcv
->foreground
;
351 if (mask
& GCBackground
)
352 gc
->background
= xgcv
->background
;
354 gc
->font
= xgcv
->font
;
357 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
360 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
361 bzero (gc
, sizeof (XGCValues
));
363 XChangeGC (ignore
, gc
, mask
, xgcv
);
369 XGetGCValues (void* ignore
, XGCValues
*gc
,
370 unsigned long mask
, XGCValues
*xgcv
)
372 XChangeGC (ignore
, xgcv
, mask
, gc
);
376 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
380 HRGN clip_region
= CreateRectRgnIndirect (rect
);
381 SelectClipRgn (hdc
, clip_region
);
382 DeleteObject (clip_region
);
385 SelectClipRgn (hdc
, NULL
);
389 /* Draw a hollow rectangle at the specified position. */
391 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
392 int width
, int height
)
397 hb
= CreateSolidBrush (gc
->background
);
398 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
399 oldhb
= SelectObject (hdc
, hb
);
400 oldhp
= SelectObject (hdc
, hp
);
402 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
404 SelectObject (hdc
, oldhb
);
405 SelectObject (hdc
, oldhp
);
410 /* Draw a filled rectangle at the specified position. */
412 w32_fill_rect (f
, hdc
, pix
, lprect
)
420 hb
= CreateSolidBrush (pix
);
421 FillRect (hdc
, lprect
, hb
);
430 HDC hdc
= get_frame_dc (f
);
432 /* Under certain conditions, this can be called at startup with
433 a console frame pointer before the GUI frame is created. An HDC
434 of 0 indicates this. */
437 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
438 w32_clear_rect (f
, hdc
, &rect
);
441 release_frame_dc (f
, hdc
);
445 /***********************************************************************
446 Starting and ending an update
447 ***********************************************************************/
449 /* Start an update of frame F. This function is installed as a hook
450 for update_begin, i.e. it is called when update_begin is called.
451 This function is called prior to calls to x_update_window_begin for
452 each window being updated. */
458 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
460 if (! FRAME_W32_P (f
))
463 /* Regenerate display palette before drawing if list of requested
464 colors has changed. */
465 if (display_info
->regen_palette
)
467 w32_regenerate_palette (f
);
468 display_info
->regen_palette
= FALSE
;
473 /* Start update of window W. Set the global variable updated_window
474 to the window being updated and set output_cursor to the cursor
478 x_update_window_begin (w
)
481 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
482 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
484 /* Hide the system caret during an update. */
485 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
487 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
491 set_output_cursor (&w
->cursor
);
495 if (f
== display_info
->mouse_face_mouse_frame
)
497 /* Don't do highlighting for mouse motion during the update. */
498 display_info
->mouse_face_defer
= 1;
500 /* If F needs to be redrawn, simply forget about any prior mouse
502 if (FRAME_GARBAGED_P (f
))
503 display_info
->mouse_face_window
= Qnil
;
505 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
506 their mouse_face_p flag set, which means that they are always
507 unequal to rows in a desired matrix which never have that
508 flag set. So, rows containing mouse-face glyphs are never
509 scrolled, and we don't have to switch the mouse highlight off
510 here to prevent it from being scrolled. */
512 /* Can we tell that this update does not affect the window
513 where the mouse highlight is? If so, no need to turn off.
514 Likewise, don't do anything if the frame is garbaged;
515 in that case, the frame's current matrix that we would use
516 is all wrong, and we will redisplay that line anyway. */
517 if (!NILP (display_info
->mouse_face_window
)
518 && w
== XWINDOW (display_info
->mouse_face_window
))
522 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
523 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
526 if (i
< w
->desired_matrix
->nrows
)
527 clear_mouse_face (display_info
);
535 /* Draw a vertical window border from (x,y0) to (x,y1) */
538 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
542 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
552 hdc
= get_frame_dc (f
);
553 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
555 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
557 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
559 release_frame_dc (f
, hdc
);
563 /* End update of window W (which is equal to updated_window).
565 Draw vertical borders between horizontally adjacent windows, and
566 display W's cursor if CURSOR_ON_P is non-zero.
568 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
569 glyphs in mouse-face were overwritten. In that case we have to
570 make sure that the mouse-highlight is properly redrawn.
572 W may be a menu bar pseudo-window in case we don't have X toolkit
573 support. Such windows don't have a cursor, so don't display it
577 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
579 int cursor_on_p
, mouse_face_overwritten_p
;
581 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
583 if (!w
->pseudo_window_p
)
588 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
590 output_cursor
.x
, output_cursor
.y
);
592 if (draw_window_fringes (w
, 1))
593 x_draw_vertical_border (w
);
598 /* If a row with mouse-face was overwritten, arrange for
599 XTframe_up_to_date to redisplay the mouse highlight. */
600 if (mouse_face_overwritten_p
)
602 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
603 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
604 dpyinfo
->mouse_face_window
= Qnil
;
607 /* Unhide the caret. This won't actually show the cursor, unless it
608 was visible before the corresponding call to HideCaret in
609 x_update_window_begin. */
610 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
612 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
615 updated_window
= NULL
;
619 /* End update of frame F. This function is installed as a hook in
626 if (! FRAME_W32_P (f
))
629 /* Mouse highlight may be displayed again. */
630 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
634 /* This function is called from various places in xdisp.c whenever a
635 complete update has been performed. The global variable
636 updated_window is not available here. */
639 w32_frame_up_to_date (f
)
644 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
646 if (dpyinfo
->mouse_face_deferred_gc
647 || f
== dpyinfo
->mouse_face_mouse_frame
)
650 if (dpyinfo
->mouse_face_mouse_frame
)
651 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
652 dpyinfo
->mouse_face_mouse_x
,
653 dpyinfo
->mouse_face_mouse_y
);
654 dpyinfo
->mouse_face_deferred_gc
= 0;
661 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
662 arrow bitmaps, or clear the fringes if no bitmaps are required
663 before DESIRED_ROW is made current. The window being updated is
664 found in updated_window. This function is called from
665 update_window_line only if it is known that there are differences
666 between bitmaps to be drawn between current row and DESIRED_ROW. */
669 x_after_update_window_line (desired_row
)
670 struct glyph_row
*desired_row
;
672 struct window
*w
= updated_window
;
678 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
679 desired_row
->redraw_fringe_bitmaps_p
= 1;
681 /* When a window has disappeared, make sure that no rest of
682 full-width rows stays visible in the internal border. Could
683 check here if updated_window is the leftmost/rightmost window,
684 but I guess it's not worth doing since vertically split windows
685 are almost never used, internal border is rarely set, and the
686 overhead is very small. */
687 if (windows_or_buffers_changed
688 && desired_row
->full_width_p
689 && (f
= XFRAME (w
->frame
),
690 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
692 && (height
= desired_row
->visible_height
,
695 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
697 /* Internal border is drawn below the tool bar. */
698 if (WINDOWP (f
->tool_bar_window
)
699 && w
== XWINDOW (f
->tool_bar_window
))
704 HDC hdc
= get_frame_dc (f
);
705 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
706 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
708 release_frame_dc (f
, hdc
);
715 /* Draw the bitmap WHICH in one of the left or right fringes of
716 window W. ROW is the glyph row for which to display the bitmap; it
717 determines the vertical position at which the bitmap has to be
721 w32_draw_fringe_bitmap (w
, row
, p
)
723 struct glyph_row
*row
;
724 struct draw_fringe_bitmap_params
*p
;
726 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
728 struct face
*face
= p
->face
;
731 hdc
= get_frame_dc (f
);
733 /* Must clip because of partially visible lines. */
734 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
737 /* Adjust position of "bottom aligned" bitmap on partially
740 int oldVH
= row
->visible_height
;
741 row
->visible_height
= p
->h
;
742 row
->y
-= rowY
- p
->y
;
743 w32_clip_to_row (w
, row
, -1, hdc
);
745 row
->visible_height
= oldVH
;
748 w32_clip_to_row (w
, row
, -1, hdc
);
750 if (p
->bx
>= 0 && !p
->overlay_p
)
752 w32_fill_area (f
, hdc
, face
->background
,
753 p
->bx
, p
->by
, p
->nx
, p
->ny
);
756 if (p
->which
&& p
->which
< max_fringe_bmp
)
758 HBITMAP pixmap
= fringe_bmp
[p
->which
];
762 compat_hdc
= CreateCompatibleDC (hdc
);
766 horig_obj
= SelectObject (compat_hdc
, pixmap
);
768 /* Paint overlays transparently. */
771 HBRUSH h_brush
, h_orig_brush
;
773 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
774 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
775 h_brush
= CreateSolidBrush (face
->foreground
);
776 h_orig_brush
= SelectObject (hdc
, h_brush
);
778 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
779 compat_hdc
, 0, p
->dh
,
781 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
782 compat_hdc
, 0, p
->dh
,
784 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
785 compat_hdc
, 0, p
->dh
,
788 SelectObject (hdc
, h_orig_brush
);
789 DeleteObject (h_brush
);
793 SetTextColor (hdc
, face
->background
);
794 SetBkColor (hdc
, (p
->cursor_p
795 ? f
->output_data
.w32
->cursor_pixel
796 : face
->foreground
));
798 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
799 compat_hdc
, 0, p
->dh
,
803 SelectObject (compat_hdc
, horig_obj
);
804 DeleteDC (compat_hdc
);
808 w32_set_clip_rectangle (hdc
, NULL
);
810 release_frame_dc (f
, hdc
);
814 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
816 unsigned short *bits
;
819 if (which
>= max_fringe_bmp
)
821 int i
= max_fringe_bmp
;
822 max_fringe_bmp
= which
+ 20;
823 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
824 while (i
< max_fringe_bmp
)
828 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
832 w32_destroy_fringe_bitmap (which
)
835 if (which
>= max_fringe_bmp
)
838 if (fringe_bmp
[which
])
839 DeleteObject (fringe_bmp
[which
]);
840 fringe_bmp
[which
] = 0;
845 /* This is called when starting Emacs and when restarting after
846 suspend. When starting Emacs, no window is mapped. And nothing
847 must be done to Emacs's own window if it is suspended (though that
851 w32_set_terminal_modes (void)
855 /* This is called when exiting or suspending Emacs. Exiting will make
856 the W32 windows go away, and suspending requires no action. */
859 w32_reset_terminal_modes (void)
865 /***********************************************************************
867 ***********************************************************************/
869 /* Function prototypes of this page. */
871 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
872 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*,
873 struct charset
*, int *));
876 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
877 If CHAR2B is not contained in FONT, the font's default character
878 metric is returned. */
881 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
887 glyph_metric
* bdf_metric
;
891 buf
[0] = (char)(*char2b
);
894 buf
[0] = XCHAR2B_BYTE1 (char2b
);
895 buf
[1] = XCHAR2B_BYTE2 (char2b
);
898 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
902 pcm
->width
= bdf_metric
->dwidth
;
903 pcm
->lbearing
= bdf_metric
->bbox
;
904 pcm
->rbearing
= bdf_metric
->dwidth
905 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
906 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
907 pcm
->descent
= -bdf_metric
->bboy
;
916 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
919 enum w32_char_font_type font_type
;
922 HDC hdc
= GetDC (NULL
);
926 xassert (font
&& char2b
);
927 xassert (font
->hfont
);
928 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
930 old_font
= SelectObject (hdc
, font
->hfont
);
932 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
936 if (font_type
== UNICODE_FONT
)
937 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
939 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
944 /* Disabled until we can find a way to get the right results
945 on all versions of Windows. */
947 /* Don't trust the ABC widths. For synthesized fonts they are
948 wrong, and so is the result of GetCharWidth()! */
950 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
952 if (cleartype_active
)
954 /* Cleartype antialiasing causes characters to overhang
955 by a pixel on each side compared with what GetCharABCWidths
957 char_widths
.abcA
-= 1;
958 char_widths
.abcC
-= 1;
959 char_widths
.abcB
+= 2;
962 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
964 /* As far as I can tell, this is the best way to determine what
965 ExtTextOut will do with the broken font. */
966 if (pcm
->width
!= real_width
)
967 pcm
->width
= (pcm
->width
+ real_width
) / 2;
969 pcm
->lbearing
= char_widths
.abcA
;
970 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
971 pcm
->ascent
= FONT_BASE (font
);
972 pcm
->descent
= FONT_DESCENT (font
);
978 /* Either font is not a True-type font, or GetCharABCWidthsW
979 failed (it is not supported on Windows 9x for instance), so we
980 can't determine the full info we would like. All is not lost
981 though - we can call GetTextExtentPoint32 to get rbearing and
982 deduce width based on the font's per-string overhang. lbearing
983 is assumed to be zero. */
985 /* TODO: Some Thai characters (and other composites if Windows
986 supports them) do have lbearing, and report their total width
987 as zero. Need some way of handling them when
988 GetCharABCWidthsW fails. */
991 if (font_type
== UNICODE_FONT
)
992 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
994 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
998 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
999 pcm
->rbearing
= sz
.cx
;
1001 pcm
->ascent
= FONT_BASE (font
);
1002 pcm
->descent
= FONT_DESCENT (font
);
1007 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
1012 SelectObject (hdc
, old_font
);
1013 ReleaseDC (NULL
, hdc
);
1020 w32_per_char_metric (font
, char2b
, font_type
)
1023 int /* enum w32_char_font_type */ font_type
;
1025 /* The result metric information. */
1029 xassert (font
&& char2b
);
1031 /* TODO: This function is currently called through the RIF, and in
1032 some cases font_type is UNKNOWN_FONT. We currently allow the
1033 cached metrics to be used, which seems to work, but in cases
1034 where font_type is UNKNOWN_FONT, we probably haven't encoded
1035 char2b appropriately. All callers need checking to see what they
1036 are passing. This is most likely to affect variable width fonts
1037 outside the Latin-1 range, particularly in languages like Thai
1038 that rely on rbearing and lbearing to provide composition. I
1039 don't think that is working currently anyway, but we don't seem
1040 to have anyone testing such languages on Windows. */
1042 /* Handle the common cases quickly. */
1043 if (!font
->bdf
&& font
->per_char
== NULL
)
1044 /* TODO: determine whether char2b exists in font? */
1045 return &font
->max_bounds
;
1046 else if (!font
->bdf
&& *char2b
< 128)
1047 return &font
->per_char
[*char2b
];
1049 xassert (font_type
!= UNKNOWN_FONT
);
1051 pcm
= &font
->scratch
;
1053 if (font_type
== BDF_1D_FONT
)
1054 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1055 else if (font_type
== BDF_2D_FONT
)
1056 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1058 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1067 w32_cache_char_metrics (font
)
1070 wchar_t char2b
= L
'x';
1072 /* Cache char metrics for the common cases. */
1075 /* TODO: determine whether font is fixed-pitch. */
1076 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1078 /* Use the font width and height as max bounds, as not all BDF
1079 fonts contain the letter 'x'. */
1080 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1081 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1082 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1083 font
->max_bounds
.ascent
= FONT_BASE (font
);
1084 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1089 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1090 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1091 though they contain characters of different widths. */
1092 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1094 /* Font is not fixed pitch, so cache per_char info for the
1095 ASCII characters. It would be much more work, and probably
1096 not worth it, to cache other chars, since we may change
1097 between using Unicode and ANSI text drawing functions at
1101 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1102 for (i
= 0; i
< 128; i
++)
1105 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1106 &font
->per_char
[i
]);
1110 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1116 /* Determine if a font is double byte. */
1117 int w32_font_is_double_byte (XFontStruct
*font
)
1119 return font
->double_byte_p
;
1124 w32_use_unicode_for_codepage (codepage
)
1127 /* If the current codepage is supported, use Unicode for output. */
1128 return (w32_enable_unicode_output
1129 && codepage
!= CP_8BIT
1130 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1133 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1134 the two-byte form of C. Encoding is returned in *CHAR2B. */
1136 static int /* enum w32_char_font_type */
1137 w32_encode_char (c
, char2b
, font_info
, charset
, two_byte_p
)
1140 struct font_info
*font_info
;
1141 struct charset
*charset
;
1146 int internal_two_byte_p
= 0;
1148 XFontStruct
*font
= font_info
->font
;
1150 internal_two_byte_p
= w32_font_is_double_byte (font
);
1151 codepage
= font_info
->codepage
;
1153 /* If font can output unicode, use the original unicode character. */
1154 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1159 internal_two_byte_p
= 1;
1162 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1163 This may be either a program in a special encoder language or a
1165 else if (font_info
->font_encoder
)
1167 /* It's a program. */
1168 struct ccl_program
*ccl
= font_info
->font_encoder
;
1170 if (CHARSET_DIMENSION (charset
) == 1)
1172 ccl
->reg
[0] = CHARSET_ID (charset
);
1173 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1178 ccl
->reg
[0] = CHARSET_ID (charset
);
1179 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1180 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1183 ccl_driver (ccl
, NULL
, NULL
, 0, 0, Qnil
);
1185 /* We assume that MSBs are appropriately set/reset by CCL
1187 if (!internal_two_byte_p
) /* 1-byte font */
1188 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1190 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1192 else if (font_info
->encoding_type
)
1194 /* Fixed encoding scheme. See fontset.h for the meaning of the
1195 encoding numbers. */
1196 unsigned char enc
= font_info
->encoding_type
;
1198 if ((enc
== 1 || enc
== 2)
1199 && CHARSET_DIMENSION (charset
) == 2)
1200 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1202 if (enc
== 1 || enc
== 3 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1203 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1206 int code
= (int) (*char2b
);
1209 STORE_XCHAR2B (char2b
, (code
>> 8), (code
& 0xFF));
1214 *two_byte_p
= internal_two_byte_p
;
1217 return UNKNOWN_FONT
;
1218 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1223 return UNICODE_FONT
;
1229 /* Return a char-table whose elements are t if the font FONT_INFO
1230 contains a glyph for the corresponding character, and nil if not.
1232 Fixme: For the moment, this function works only for fonts whose
1233 glyph encoding is the same as Unicode (e.g. ISO10646-1 fonts). */
1236 x_get_font_repertory (f
, font_info
)
1238 struct font_info
*font_info
;
1240 XFontStruct
*font
= (XFontStruct
*) font_info
->font
;
1242 int min_byte1
, max_byte1
, min_byte2
, max_byte2
;
1244 table
= Fmake_char_table (Qnil
, Qnil
);
1246 if (!font
->bdf
&& pfnGetFontUnicodeRanges
)
1249 DWORD glyphset_size
;
1250 HDC display
= get_frame_dc (f
);
1254 prev_font
= SelectObject (display
, font
->hfont
);
1256 /* First call GetFontUnicodeRanges to find out how big a structure
1258 glyphset_size
= pfnGetFontUnicodeRanges (display
, NULL
);
1261 glyphset
= (GLYPHSET
*) alloca (glyphset_size
);
1262 glyphset
->cbThis
= glyphset_size
;
1264 /* Now call it again to get the ranges. */
1265 glyphset_size
= pfnGetFontUnicodeRanges (display
, glyphset
);
1269 /* Store the ranges in TABLE. */
1270 for (i
= 0; i
< glyphset
->cRanges
; i
++)
1272 int from
= glyphset
->ranges
[i
].wcLow
;
1273 int to
= from
+ glyphset
->ranges
[i
].cGlyphs
- 1;
1274 char_table_set_range (table
, from
, to
, Qt
);
1279 SelectObject (display
, prev_font
);
1280 release_frame_dc (f
, display
);
1282 /* If we got the information we wanted above, then return it. */
1287 #if 0 /* TODO: Convert to work on Windows so BDF and older platforms work. */
1288 /* When GetFontUnicodeRanges is not available or does not work,
1289 work it out manually. */
1290 min_byte1
= font
->min_byte1
;
1291 max_byte1
= font
->max_byte1
;
1292 min_byte2
= font
->min_char_or_byte2
;
1293 max_byte2
= font
->max_char_or_byte2
;
1294 if (min_byte1
== 0 && max_byte1
== 0)
1296 if (! font
->per_char
|| font
->all_chars_exist
== True
)
1297 char_table_set_range (table
, min_byte2
, max_byte2
, Qt
);
1300 XCharStruct
*pcm
= font
->per_char
;
1304 for (i
= min_byte2
; i
<= max_byte2
; i
++, pcm
++)
1306 if (pcm
->width
== 0 && pcm
->rbearing
== pcm
->lbearing
)
1310 char_table_set_range (table
, from
, i
- 1, Qt
);
1318 char_table_set_range (table
, from
, i
- 1, Qt
);
1323 if (! font
->per_char
|| font
->all_chars_exist
== True
)
1327 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1328 char_table_set_range (table
,
1329 (i
<< 8) | min_byte2
, (i
<< 8) | max_byte2
,
1334 XCharStruct
*pcm
= font
->per_char
;
1337 for (i
= min_byte1
; i
<= max_byte1
; i
++)
1342 for (j
= min_byte2
; j
<= max_byte2
; j
++, pcm
++)
1344 if (pcm
->width
== 0 && pcm
->rbearing
== pcm
->lbearing
)
1348 char_table_set_range (table
, (i
<< 8) | from
,
1349 (i
<< 8) | (j
- 1), Qt
);
1357 char_table_set_range (table
, (i
<< 8) | from
,
1358 (i
<< 8) | (j
- 1), Qt
);
1367 /***********************************************************************
1369 ***********************************************************************/
1372 /* Encapsulate the different ways of displaying text under W32. */
1375 w32_text_out (s
, x
, y
,chars
,nchars
)
1376 struct glyph_string
* s
;
1381 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1383 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1384 x
, y
, (char *) chars
, charset_dim
,
1385 nchars
* charset_dim
, 0);
1386 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1387 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1389 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1390 nchars
* charset_dim
, NULL
);
1394 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1395 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1396 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1398 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1399 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1400 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1401 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1402 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1403 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1404 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1405 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1406 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1407 double, int, COLORREF
));
1408 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1409 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1410 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1411 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1412 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1413 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1415 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1416 int, int, int, int, int, int,
1418 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1419 int, int, int, RECT
*));
1422 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1426 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1431 struct glyph_string
*s
;
1433 if (s
->font
== FRAME_FONT (s
->f
)
1434 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1435 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1437 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1440 /* Cursor on non-default face: must merge. */
1444 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1445 xgcv
.foreground
= s
->face
->background
;
1447 /* If the glyph would be invisible, try a different foreground. */
1448 if (xgcv
.foreground
== xgcv
.background
)
1449 xgcv
.foreground
= s
->face
->foreground
;
1450 if (xgcv
.foreground
== xgcv
.background
)
1451 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1452 if (xgcv
.foreground
== xgcv
.background
)
1453 xgcv
.foreground
= s
->face
->foreground
;
1455 /* Make sure the cursor is distinct from text in this face. */
1456 if (xgcv
.background
== s
->face
->background
1457 && xgcv
.foreground
== s
->face
->foreground
)
1459 xgcv
.background
= s
->face
->foreground
;
1460 xgcv
.foreground
= s
->face
->background
;
1463 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1464 xgcv
.font
= s
->font
;
1465 mask
= GCForeground
| GCBackground
| GCFont
;
1467 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1468 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1471 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1472 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1474 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1479 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1482 x_set_mouse_face_gc (s
)
1483 struct glyph_string
*s
;
1488 /* What face has to be used last for the mouse face? */
1489 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1490 face
= FACE_FROM_ID (s
->f
, face_id
);
1492 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1494 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1495 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1497 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1498 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1499 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1501 /* If font in this face is same as S->font, use it. */
1502 if (s
->font
== s
->face
->font
)
1503 s
->gc
= s
->face
->gc
;
1506 /* Otherwise construct scratch_cursor_gc with values from FACE
1511 xgcv
.background
= s
->face
->background
;
1512 xgcv
.foreground
= s
->face
->foreground
;
1513 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1514 xgcv
.font
= s
->font
;
1515 mask
= GCForeground
| GCBackground
| GCFont
;
1517 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1518 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1521 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1522 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1524 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1527 xassert (s
->gc
!= 0);
1531 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1532 Faces to use in the mode line have already been computed when the
1533 matrix was built, so there isn't much to do, here. */
1536 x_set_mode_line_face_gc (s
)
1537 struct glyph_string
*s
;
1539 s
->gc
= s
->face
->gc
;
1543 /* Set S->gc of glyph string S for drawing that glyph string. Set
1544 S->stippled_p to a non-zero value if the face of S has a stipple
1548 x_set_glyph_string_gc (s
)
1549 struct glyph_string
*s
;
1551 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1553 if (s
->hl
== DRAW_NORMAL_TEXT
)
1555 s
->gc
= s
->face
->gc
;
1556 s
->stippled_p
= s
->face
->stipple
!= 0;
1558 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1560 x_set_mode_line_face_gc (s
);
1561 s
->stippled_p
= s
->face
->stipple
!= 0;
1563 else if (s
->hl
== DRAW_CURSOR
)
1565 x_set_cursor_gc (s
);
1568 else if (s
->hl
== DRAW_MOUSE_FACE
)
1570 x_set_mouse_face_gc (s
);
1571 s
->stippled_p
= s
->face
->stipple
!= 0;
1573 else if (s
->hl
== DRAW_IMAGE_RAISED
1574 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1576 s
->gc
= s
->face
->gc
;
1577 s
->stippled_p
= s
->face
->stipple
!= 0;
1581 s
->gc
= s
->face
->gc
;
1582 s
->stippled_p
= s
->face
->stipple
!= 0;
1585 /* GC must have been set. */
1586 xassert (s
->gc
!= 0);
1590 /* Set clipping for output of glyph string S. S may be part of a mode
1591 line or menu if we don't have X toolkit support. */
1594 x_set_glyph_string_clipping (s
)
1595 struct glyph_string
*s
;
1598 get_glyph_string_clip_rect (s
, &r
);
1599 w32_set_clip_rectangle (s
->hdc
, &r
);
1604 Compute left and right overhang of glyph string S. If S is a glyph
1605 string for a composition, assume overhangs don't exist. */
1608 w32_compute_glyph_string_overhangs (s
)
1609 struct glyph_string
*s
;
1611 /* TODO: Windows does not appear to have a method for
1612 getting this info without getting the ABC widths for each
1613 individual character and working it out manually. */
1618 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1619 struct glyph
*glyph
;
1623 HDC hdc
= get_frame_dc (f
);
1624 /* Convert to unicode! */
1625 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1626 release_frame_dc (f
, hdc
);
1630 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1633 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1634 struct glyph_string
*s
;
1642 /* Take clipping into account. */
1643 if (s
->gc
->clip_mask
== Rect
)
1645 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1646 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1647 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1648 - s
->gc
->clip_rectangle
.left
);
1649 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1650 - s
->gc
->clip_rectangle
.top
);
1653 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1658 /* Draw the background of glyph_string S. If S->background_filled_p
1659 is non-zero don't draw it. FORCE_P non-zero means draw the
1660 background even if it wouldn't be drawn normally. This is used
1661 when a string preceding S draws into the background of S, or S
1662 contains the first component of a composition. */
1665 x_draw_glyph_string_background (s
, force_p
)
1666 struct glyph_string
*s
;
1669 /* Nothing to do if background has already been drawn or if it
1670 shouldn't be drawn in the first place. */
1671 if (!s
->background_filled_p
)
1673 int box_line_width
= max (s
->face
->box_line_width
, 0);
1675 #if 0 /* TODO: stipple */
1678 /* Fill background with a stipple pattern. */
1679 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1680 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1681 s
->y
+ box_line_width
,
1682 s
->background_width
,
1683 s
->height
- 2 * box_line_width
);
1684 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1685 s
->background_filled_p
= 1;
1689 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1690 || s
->font_not_found_p
1691 || s
->extends_to_end_of_line_p
1695 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1696 s
->background_width
,
1697 s
->height
- 2 * box_line_width
);
1698 s
->background_filled_p
= 1;
1704 /* Draw the foreground of glyph string S. */
1707 x_draw_glyph_string_foreground (s
)
1708 struct glyph_string
*s
;
1713 /* If first glyph of S has a left box line, start drawing the text
1714 of S to the right of that box line. */
1715 if (s
->face
->box
!= FACE_NO_BOX
1716 && s
->first_glyph
->left_box_line_p
)
1717 x
= s
->x
+ abs (s
->face
->box_line_width
);
1721 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1722 SetBkMode (s
->hdc
, TRANSPARENT
);
1724 SetBkMode (s
->hdc
, OPAQUE
);
1726 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1727 SetBkColor (s
->hdc
, s
->gc
->background
);
1728 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1730 if (s
->font
&& s
->font
->hfont
)
1731 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1733 /* Draw characters of S as rectangles if S's font could not be
1735 if (s
->font_not_found_p
)
1737 for (i
= 0; i
< s
->nchars
; ++i
)
1739 struct glyph
*g
= s
->first_glyph
+ i
;
1741 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1743 x
+= g
->pixel_width
;
1748 char *char1b
= (char *) s
->char2b
;
1749 int boff
= s
->font_info
->baseline_offset
;
1751 if (s
->font_info
->vertical_centering
)
1752 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1754 /* If we can use 8-bit functions, condense S->char2b. */
1756 for (i
= 0; i
< s
->nchars
; ++i
)
1757 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1759 /* Draw text with TextOut and friends. */
1760 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1762 if (s
->face
->overstrike
)
1764 /* For overstriking (to simulate bold-face), draw the
1765 characters again shifted to the right by one pixel. */
1766 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1769 if (s
->font
&& s
->font
->hfont
)
1770 SelectObject (s
->hdc
, old_font
);
1773 /* Draw the foreground of composite glyph string S. */
1776 x_draw_composite_glyph_string_foreground (s
)
1777 struct glyph_string
*s
;
1782 /* If first glyph of S has a left box line, start drawing the text
1783 of S to the right of that box line. */
1784 if (s
->face
->box
!= FACE_NO_BOX
1785 && s
->first_glyph
->left_box_line_p
)
1786 x
= s
->x
+ abs (s
->face
->box_line_width
);
1790 /* S is a glyph string for a composition. S->gidx is the index of
1791 the first character drawn for glyphs of this composition.
1792 S->gidx == 0 means we are drawing the very first character of
1793 this composition. */
1795 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1796 SetBkColor (s
->hdc
, s
->gc
->background
);
1797 SetBkMode (s
->hdc
, TRANSPARENT
);
1798 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1800 if (s
->font
&& s
->font
->hfont
)
1801 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1803 /* Draw a rectangle for the composition if the font for the very
1804 first character of the composition could not be loaded. */
1805 if (s
->font_not_found_p
)
1808 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1813 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1815 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1816 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1818 if (s
->face
->overstrike
)
1819 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1820 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1825 if (s
->font
&& s
->font
->hfont
)
1826 SelectObject (s
->hdc
, old_font
);
1830 /* Brightness beyond which a color won't have its highlight brightness
1833 Nominally, highlight colors for `3d' faces are calculated by
1834 brightening an object's color by a constant scale factor, but this
1835 doesn't yield good results for dark colors, so for colors who's
1836 brightness is less than this value (on a scale of 0-255) have to
1837 use an additional additive factor.
1839 The value here is set so that the default menu-bar/mode-line color
1840 (grey75) will not have its highlights changed at all. */
1841 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1844 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1845 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1846 If this produces the same color as COLOR, try a color where all RGB
1847 values have DELTA added. Return the allocated color in *COLOR.
1848 DISPLAY is the X display, CMAP is the colormap to operate on.
1849 Value is non-zero if successful. */
1852 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1861 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1864 /* Change RGB values by specified FACTOR. Avoid overflow! */
1865 xassert (factor
>= 0);
1866 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1867 min (0xff, factor
* GetGValue (*color
)),
1868 min (0xff, factor
* GetBValue (*color
)));
1870 /* Calculate brightness of COLOR. */
1871 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1872 + GetBValue (*color
)) / 6;
1874 /* We only boost colors that are darker than
1875 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1876 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1877 /* Make an additive adjustment to NEW, because it's dark enough so
1878 that scaling by FACTOR alone isn't enough. */
1880 /* How far below the limit this color is (0 - 1, 1 being darker). */
1881 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1882 /* The additive adjustment. */
1883 int min_delta
= delta
* dimness
* factor
/ 2;
1886 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1887 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1888 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1890 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1891 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1892 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1896 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1897 max (0, min (0xff, delta
+ GetGValue (*color
))),
1898 max (0, min (0xff, delta
+ GetBValue (*color
))));
1900 /* TODO: Map to palette and retry with delta if same? */
1901 /* TODO: Free colors (if using palette)? */
1912 /* Set up the foreground color for drawing relief lines of glyph
1913 string S. RELIEF is a pointer to a struct relief containing the GC
1914 with which lines will be drawn. Use a color that is FACTOR or
1915 DELTA lighter or darker than the relief's background which is found
1916 in S->f->output_data.x->relief_background. If such a color cannot
1917 be allocated, use DEFAULT_PIXEL, instead. */
1920 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1922 struct relief
*relief
;
1925 COLORREF default_pixel
;
1928 struct w32_output
*di
= f
->output_data
.w32
;
1929 unsigned long mask
= GCForeground
;
1931 COLORREF background
= di
->relief_background
;
1932 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1934 /* TODO: Free colors (if using palette)? */
1936 /* Allocate new color. */
1937 xgcv
.foreground
= default_pixel
;
1939 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1941 relief
->allocated_p
= 1;
1942 xgcv
.foreground
= relief
->pixel
= pixel
;
1945 if (relief
->gc
== 0)
1947 #if 0 /* TODO: stipple */
1948 xgcv
.stipple
= dpyinfo
->gray
;
1951 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1954 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1958 /* Set up colors for the relief lines around glyph string S. */
1961 x_setup_relief_colors (s
)
1962 struct glyph_string
*s
;
1964 struct w32_output
*di
= s
->f
->output_data
.w32
;
1967 if (s
->face
->use_box_color_for_shadows_p
)
1968 color
= s
->face
->box_color
;
1969 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1971 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1972 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1974 color
= s
->gc
->background
;
1976 if (di
->white_relief
.gc
== 0
1977 || color
!= di
->relief_background
)
1979 di
->relief_background
= color
;
1980 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1981 WHITE_PIX_DEFAULT (s
->f
));
1982 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1983 BLACK_PIX_DEFAULT (s
->f
));
1988 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1989 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1990 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1991 relief. LEFT_P non-zero means draw a relief on the left side of
1992 the rectangle. RIGHT_P non-zero means draw a relief on the right
1993 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1997 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1998 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
2000 int left_x
, top_y
, right_x
, bottom_y
, width
;
2001 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
2006 HDC hdc
= get_frame_dc (f
);
2009 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
2011 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
2013 w32_set_clip_rectangle (hdc
, clip_rect
);
2017 for (i
= 0; i
< width
; ++i
)
2018 w32_fill_area (f
, hdc
, gc
.foreground
,
2019 left_x
+ i
* left_p
, top_y
+ i
,
2020 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
2024 for (i
= 0; i
< width
; ++i
)
2025 w32_fill_area (f
, hdc
, gc
.foreground
,
2026 left_x
+ i
, top_y
+ i
, 1,
2027 bottom_y
- top_y
- 2 * i
+ 1);
2030 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
2032 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
2036 for (i
= 0; i
< width
; ++i
)
2037 w32_fill_area (f
, hdc
, gc
.foreground
,
2038 left_x
+ i
* left_p
, bottom_y
- i
,
2039 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
2043 for (i
= 0; i
< width
; ++i
)
2044 w32_fill_area (f
, hdc
, gc
.foreground
,
2045 right_x
- i
, top_y
+ i
+ 1, 1,
2046 bottom_y
- top_y
- 2 * i
- 1);
2048 w32_set_clip_rectangle (hdc
, NULL
);
2050 release_frame_dc (f
, hdc
);
2054 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
2055 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
2056 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
2057 left side of the rectangle. RIGHT_P non-zero means draw a line
2058 on the right side of the rectangle. CLIP_RECT is the clipping
2059 rectangle to use when drawing. */
2062 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2063 left_p
, right_p
, clip_rect
)
2064 struct glyph_string
*s
;
2065 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
2068 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
2071 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2072 left_x
, top_y
, right_x
- left_x
+ 1, width
);
2077 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2078 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
2082 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2083 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
2088 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
2089 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
2092 w32_set_clip_rectangle (s
->hdc
, NULL
);
2096 /* Draw a box around glyph string S. */
2099 x_draw_glyph_string_box (s
)
2100 struct glyph_string
*s
;
2102 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
2103 int left_p
, right_p
;
2104 struct glyph
*last_glyph
;
2107 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
2108 ? WINDOW_RIGHT_EDGE_X (s
->w
)
2109 : window_box_right (s
->w
, s
->area
));
2111 /* The glyph that may have a right box line. */
2112 last_glyph
= (s
->cmp
|| s
->img
2114 : s
->first_glyph
+ s
->nchars
- 1);
2116 width
= abs (s
->face
->box_line_width
);
2117 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
2119 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
2121 : min (last_x
, s
->x
+ s
->background_width
) - 1));
2123 bottom_y
= top_y
+ s
->height
- 1;
2125 left_p
= (s
->first_glyph
->left_box_line_p
2126 || (s
->hl
== DRAW_MOUSE_FACE
2128 || s
->prev
->hl
!= s
->hl
)));
2129 right_p
= (last_glyph
->right_box_line_p
2130 || (s
->hl
== DRAW_MOUSE_FACE
2132 || s
->next
->hl
!= s
->hl
)));
2134 get_glyph_string_clip_rect (s
, &clip_rect
);
2136 if (s
->face
->box
== FACE_SIMPLE_BOX
)
2137 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
2138 left_p
, right_p
, &clip_rect
);
2141 x_setup_relief_colors (s
);
2142 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
2143 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
2148 /* Draw foreground of image glyph string S. */
2151 x_draw_image_foreground (s
)
2152 struct glyph_string
*s
;
2155 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2157 /* If first glyph of S has a left box line, start drawing it to the
2158 right of that line. */
2159 if (s
->face
->box
!= FACE_NO_BOX
2160 && s
->first_glyph
->left_box_line_p
2162 x
+= abs (s
->face
->box_line_width
);
2164 /* If there is a margin around the image, adjust x- and y-position
2166 if (s
->slice
.x
== 0)
2167 x
+= s
->img
->hmargin
;
2168 if (s
->slice
.y
== 0)
2169 y
+= s
->img
->vmargin
;
2175 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2176 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2177 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2178 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2179 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2180 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2181 x_set_glyph_string_clipping (s
);
2185 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2186 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2188 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2189 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2191 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2192 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2193 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2194 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2195 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2196 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2198 SelectObject (mask_dc
, mask_orig_obj
);
2203 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2204 SetBkColor (s
->hdc
, s
->gc
->background
);
2206 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2207 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2209 /* When the image has a mask, we can expect that at
2210 least part of a mouse highlight or a block cursor will
2211 be visible. If the image doesn't have a mask, make
2212 a block cursor visible by drawing a rectangle around
2213 the image. I believe it's looking better if we do
2214 nothing here for mouse-face. */
2215 if (s
->hl
== DRAW_CURSOR
)
2217 int r
= s
->img
->relief
;
2219 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2220 s
->slice
.width
+ r
*2 - 1,
2221 s
->slice
.height
+ r
*2 - 1);
2225 w32_set_clip_rectangle (s
->hdc
, NULL
);
2226 SelectObject (s
->hdc
, orig_brush
);
2227 DeleteObject (fg_brush
);
2228 SelectObject (compat_hdc
, orig_obj
);
2229 DeleteDC (compat_hdc
);
2232 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2233 s
->slice
.width
- 1, s
->slice
.height
- 1);
2235 RestoreDC (s
->hdc
,-1);
2239 /* Draw a relief around the image glyph string S. */
2242 x_draw_image_relief (s
)
2243 struct glyph_string
*s
;
2245 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2248 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2250 /* If first glyph of S has a left box line, start drawing it to the
2251 right of that line. */
2252 if (s
->face
->box
!= FACE_NO_BOX
2253 && s
->first_glyph
->left_box_line_p
2255 x
+= abs (s
->face
->box_line_width
);
2257 /* If there is a margin around the image, adjust x- and y-position
2259 if (s
->slice
.x
== 0)
2260 x
+= s
->img
->hmargin
;
2261 if (s
->slice
.y
== 0)
2262 y
+= s
->img
->vmargin
;
2264 if (s
->hl
== DRAW_IMAGE_SUNKEN
2265 || s
->hl
== DRAW_IMAGE_RAISED
)
2267 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2268 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2272 thick
= abs (s
->img
->relief
);
2273 raised_p
= s
->img
->relief
> 0;
2278 x1
= x
+ s
->slice
.width
+ thick
- 1;
2279 y1
= y
+ s
->slice
.height
+ thick
- 1;
2281 x_setup_relief_colors (s
);
2282 get_glyph_string_clip_rect (s
, &r
);
2283 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2285 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2287 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2292 /* Draw the foreground of image glyph string S to PIXMAP. */
2295 w32_draw_image_foreground_1 (s
, pixmap
)
2296 struct glyph_string
*s
;
2299 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2300 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2302 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2304 /* If first glyph of S has a left box line, start drawing it to the
2305 right of that line. */
2306 if (s
->face
->box
!= FACE_NO_BOX
2307 && s
->first_glyph
->left_box_line_p
2309 x
+= abs (s
->face
->box_line_width
);
2311 /* If there is a margin around the image, adjust x- and y-position
2313 if (s
->slice
.x
== 0)
2314 x
+= s
->img
->hmargin
;
2315 if (s
->slice
.y
== 0)
2316 y
+= s
->img
->vmargin
;
2320 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2321 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2322 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2323 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2327 HDC mask_dc
= CreateCompatibleDC (hdc
);
2328 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2330 SetTextColor (hdc
, RGB (0, 0, 0));
2331 SetBkColor (hdc
, RGB (255, 255, 255));
2332 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2333 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2334 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2335 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2336 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2337 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2339 SelectObject (mask_dc
, mask_orig_obj
);
2344 SetTextColor (hdc
, s
->gc
->foreground
);
2345 SetBkColor (hdc
, s
->gc
->background
);
2347 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2348 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2350 /* When the image has a mask, we can expect that at
2351 least part of a mouse highlight or a block cursor will
2352 be visible. If the image doesn't have a mask, make
2353 a block cursor visible by drawing a rectangle around
2354 the image. I believe it's looking better if we do
2355 nothing here for mouse-face. */
2356 if (s
->hl
== DRAW_CURSOR
)
2358 int r
= s
->img
->relief
;
2360 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2361 s
->slice
.width
+ r
*2 - 1,
2362 s
->slice
.height
+ r
*2 - 1);
2366 SelectObject (hdc
, orig_brush
);
2367 DeleteObject (fg_brush
);
2368 SelectObject (compat_hdc
, orig_obj
);
2369 DeleteDC (compat_hdc
);
2372 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2373 s
->slice
.width
- 1, s
->slice
.height
- 1);
2375 SelectObject (hdc
, orig_hdc_obj
);
2380 /* Draw part of the background of glyph string S. X, Y, W, and H
2381 give the rectangle to draw. */
2384 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2385 struct glyph_string
*s
;
2388 #if 0 /* TODO: stipple */
2391 /* Fill background with a stipple pattern. */
2392 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2393 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2394 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2398 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2402 /* Draw image glyph string S.
2405 s->x +-------------------------
2408 | +-------------------------
2411 | | +-------------------
2417 x_draw_image_glyph_string (s
)
2418 struct glyph_string
*s
;
2421 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2422 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2426 height
= s
->height
- 2 * box_line_vwidth
;
2428 /* Fill background with face under the image. Do it only if row is
2429 taller than image or if image has a clip mask to reduce
2431 s
->stippled_p
= s
->face
->stipple
!= 0;
2432 if (height
> s
->slice
.height
2436 || s
->img
->pixmap
== 0
2437 || s
->width
!= s
->background_width
)
2440 if (s
->first_glyph
->left_box_line_p
2442 x
+= box_line_hwidth
;
2445 if (s
->slice
.y
== 0)
2446 y
+= box_line_vwidth
;
2448 #if 0 /* TODO: figure out if we need to do this on Windows. */
2451 /* Create a pixmap as large as the glyph string. Fill it
2452 with the background color. Copy the image to it, using
2453 its mask. Copy the temporary pixmap to the display. */
2454 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2455 int depth
= DefaultDepthOfScreen (screen
);
2457 /* Create a pixmap as large as the glyph string. */
2458 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2459 s
->background_width
,
2462 /* Don't clip in the following because we're working on the
2464 XSetClipMask (s
->display
, s
->gc
, None
);
2466 /* Fill the pixmap with the background color/stipple. */
2469 /* Fill background with a stipple pattern. */
2470 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2471 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2472 0, 0, s
->background_width
, s
->height
);
2473 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2478 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2480 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2481 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2482 0, 0, s
->background_width
, s
->height
);
2483 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2488 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2490 s
->background_filled_p
= 1;
2493 /* Draw the foreground. */
2496 w32_draw_image_foreground_1 (s
, pixmap
);
2497 x_set_glyph_string_clipping (s
);
2499 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2500 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2501 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2502 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2504 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2505 SetBkColor (s
->hdc
, s
->gc
->background
);
2506 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2507 compat_hdc
, 0, 0, SRCCOPY
);
2509 SelectObject (s
->hdc
, orig_brush
);
2510 DeleteObject (fg_brush
);
2511 SelectObject (compat_hdc
, orig_obj
);
2512 DeleteDC (compat_hdc
);
2514 DeleteObject (pixmap
);
2518 x_draw_image_foreground (s
);
2520 /* If we must draw a relief around the image, do it. */
2522 || s
->hl
== DRAW_IMAGE_RAISED
2523 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2524 x_draw_image_relief (s
);
2528 /* Draw stretch glyph string S. */
2531 x_draw_stretch_glyph_string (s
)
2532 struct glyph_string
*s
;
2534 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2535 s
->stippled_p
= s
->face
->stipple
!= 0;
2537 if (s
->hl
== DRAW_CURSOR
2538 && !x_stretch_cursor_p
)
2540 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2541 as wide as the stretch glyph. */
2542 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2545 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2547 /* Clear rest using the GC of the original non-cursor face. */
2548 if (width
< s
->background_width
)
2550 XGCValues
*gc
= s
->face
->gc
;
2551 int x
= s
->x
+ width
, y
= s
->y
;
2552 int w
= s
->background_width
- width
, h
= s
->height
;
2556 if (s
->row
->mouse_face_p
2557 && cursor_in_mouse_face_p (s
->w
))
2559 x_set_mouse_face_gc (s
);
2565 get_glyph_string_clip_rect (s
, &r
);
2566 w32_set_clip_rectangle (hdc
, &r
);
2568 #if 0 /* TODO: stipple */
2569 if (s
->face
->stipple
)
2571 /* Fill background with a stipple pattern. */
2572 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2573 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2574 XSetFillStyle (s
->display
, gc
, FillSolid
);
2579 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2583 else if (!s
->background_filled_p
)
2584 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2587 s
->background_filled_p
= 1;
2591 /* Draw glyph string S. */
2594 x_draw_glyph_string (s
)
2595 struct glyph_string
*s
;
2597 int relief_drawn_p
= 0;
2599 /* If S draws into the background of its successor, draw the
2600 background of the successor first so that S can draw into it.
2601 This makes S->next use XDrawString instead of XDrawImageString. */
2602 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2604 xassert (s
->next
->img
== NULL
);
2605 x_set_glyph_string_gc (s
->next
);
2606 x_set_glyph_string_clipping (s
->next
);
2607 x_draw_glyph_string_background (s
->next
, 1);
2610 /* Set up S->gc, set clipping and draw S. */
2611 x_set_glyph_string_gc (s
);
2613 /* Draw relief (if any) in advance for char/composition so that the
2614 glyph string can be drawn over it. */
2615 if (!s
->for_overlaps_p
2616 && s
->face
->box
!= FACE_NO_BOX
2617 && (s
->first_glyph
->type
== CHAR_GLYPH
2618 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2621 x_set_glyph_string_clipping (s
);
2622 x_draw_glyph_string_background (s
, 1);
2623 x_draw_glyph_string_box (s
);
2624 x_set_glyph_string_clipping (s
);
2628 x_set_glyph_string_clipping (s
);
2630 switch (s
->first_glyph
->type
)
2633 x_draw_image_glyph_string (s
);
2637 x_draw_stretch_glyph_string (s
);
2641 if (s
->for_overlaps_p
)
2642 s
->background_filled_p
= 1;
2644 x_draw_glyph_string_background (s
, 0);
2645 x_draw_glyph_string_foreground (s
);
2648 case COMPOSITE_GLYPH
:
2649 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2650 s
->background_filled_p
= 1;
2652 x_draw_glyph_string_background (s
, 1);
2653 x_draw_composite_glyph_string_foreground (s
);
2660 if (!s
->for_overlaps_p
)
2662 /* Draw underline. */
2663 if (s
->face
->underline_p
2664 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2666 unsigned long h
= 1;
2667 unsigned long dy
= s
->height
- h
;
2669 /* TODO: Use font information for positioning and thickness
2670 of underline. See OUTLINETEXTMETRIC, and xterm.c.
2671 Note: If you make this work, don't forget to change the
2672 doc string of x-use-underline-position-properties below. */
2673 if (s
->face
->underline_defaulted_p
)
2675 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2676 s
->y
+ dy
, s
->width
, 1);
2680 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2681 s
->y
+ dy
, s
->width
, 1);
2685 /* Draw overline. */
2686 if (s
->face
->overline_p
)
2688 unsigned long dy
= 0, h
= 1;
2690 if (s
->face
->overline_color_defaulted_p
)
2692 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2693 s
->y
+ dy
, s
->width
, h
);
2697 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2698 s
->y
+ dy
, s
->width
, h
);
2702 /* Draw strike-through. */
2703 if (s
->face
->strike_through_p
2704 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2706 unsigned long h
= 1;
2707 unsigned long dy
= (s
->height
- h
) / 2;
2709 if (s
->face
->strike_through_color_defaulted_p
)
2711 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2716 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2717 s
->y
+ dy
, s
->width
, h
);
2722 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2723 x_draw_glyph_string_box (s
);
2726 /* Reset clipping. */
2727 w32_set_clip_rectangle (s
->hdc
, NULL
);
2731 /* Shift display to make room for inserted glyphs. */
2734 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2736 int x
, y
, width
, height
, shift_by
;
2740 hdc
= get_frame_dc (f
);
2741 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2742 hdc
, x
, y
, SRCCOPY
);
2744 release_frame_dc (f
, hdc
);
2748 /* Delete N glyphs at the nominal cursor position. Not implemented
2760 f
= SELECTED_FRAME ();
2762 if (! FRAME_W32_P (f
))
2769 /* Clear entire frame. If updating_frame is non-null, clear that
2770 frame. Otherwise clear the selected frame. */
2780 f
= SELECTED_FRAME ();
2782 if (! FRAME_W32_P (f
))
2785 /* Clearing the frame will erase any cursor, so mark them all as no
2787 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2788 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2789 output_cursor
.x
= -1;
2791 /* We don't set the output cursor here because there will always
2792 follow an explicit cursor_to. */
2795 w32_clear_window (f
);
2797 /* We have to clear the scroll bars, too. If we have changed
2798 colors or something like that, then they should be notified. */
2799 x_scroll_bar_clear (f
);
2805 /* Make audible bell. */
2808 w32_ring_bell (void)
2812 f
= SELECTED_FRAME ();
2816 if (FRAME_W32_P (f
) && visible_bell
)
2819 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2821 for (i
= 0; i
< 5; i
++)
2823 FlashWindow (hwnd
, TRUE
);
2826 FlashWindow (hwnd
, FALSE
);
2829 w32_sys_ring_bell ();
2835 /* Specify how many text lines, from the top of the window,
2836 should be affected by insert-lines and delete-lines operations.
2837 This, and those operations, are used only within an update
2838 that is bounded by calls to x_update_begin and x_update_end. */
2841 w32_set_terminal_window (n
)
2844 /* This function intentionally left blank. */
2848 /***********************************************************************
2850 ***********************************************************************/
2852 /* Perform an insert-lines or delete-lines operation, inserting N
2853 lines or deleting -N lines at vertical position VPOS. */
2856 x_ins_del_lines (vpos
, n
)
2864 f
= SELECTED_FRAME ();
2866 if (! FRAME_W32_P (f
))
2873 /* Scroll part of the display as described by RUN. */
2876 x_scroll_run (w
, run
)
2880 struct frame
*f
= XFRAME (w
->frame
);
2881 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2882 HWND hwnd
= FRAME_W32_WINDOW (f
);
2885 /* Get frame-relative bounding box of the text display area of W,
2886 without mode lines. Include in this box the left and right
2888 window_box (w
, -1, &x
, &y
, &width
, &height
);
2890 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2891 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2892 bottom_y
= y
+ height
;
2896 /* Scrolling up. Make sure we don't copy part of the mode
2897 line at the bottom. */
2898 if (from_y
+ run
->height
> bottom_y
)
2899 height
= bottom_y
- from_y
;
2901 height
= run
->height
;
2902 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2906 /* Scolling down. Make sure we don't copy over the mode line.
2908 if (to_y
+ run
->height
> bottom_y
)
2909 height
= bottom_y
- to_y
;
2911 height
= run
->height
;
2912 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2917 /* Cursor off. Will be switched on again in x_update_window_end. */
2924 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2925 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2927 from
.left
= to
.left
= x
;
2928 from
.right
= to
.right
= x
+ width
;
2930 from
.bottom
= from_y
+ height
;
2932 to
.bottom
= bottom_y
;
2934 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2935 NULL
, SW_INVALIDATE
);
2937 /* Combine this with what we expect to be dirty. This covers the
2938 case where not all of the region we expect is actually dirty. */
2939 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2941 /* If the dirty region is not what we expected, redraw the entire frame. */
2942 if (!EqualRgn (combined
, expect_dirty
))
2943 SET_FRAME_GARBAGED (f
);
2945 DeleteObject (dirty
);
2946 DeleteObject (combined
);
2950 DeleteObject (expect_dirty
);
2955 /***********************************************************************
2957 ***********************************************************************/
2963 x_update_cursor (f
, 1);
2967 frame_unhighlight (f
)
2970 x_update_cursor (f
, 1);
2973 /* The focus has changed. Update the frames as necessary to reflect
2974 the new situation. Note that we can't change the selected frame
2975 here, because the Lisp code we are interrupting might become confused.
2976 Each event gets marked with the frame in which it occurred, so the
2977 Lisp code can tell when the switch took place by examining the events. */
2980 x_new_focus_frame (dpyinfo
, frame
)
2981 struct w32_display_info
*dpyinfo
;
2982 struct frame
*frame
;
2984 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2986 if (frame
!= dpyinfo
->w32_focus_frame
)
2988 /* Set this before calling other routines, so that they see
2989 the correct value of w32_focus_frame. */
2990 dpyinfo
->w32_focus_frame
= frame
;
2992 if (old_focus
&& old_focus
->auto_lower
)
2993 x_lower_frame (old_focus
);
2995 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2996 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2998 pending_autoraise_frame
= 0;
3001 x_frame_rehighlight (dpyinfo
);
3005 /* Handle FocusIn and FocusOut state changes for FRAME.
3006 If FRAME has focus and there exists more than one frame, puts
3007 a FOCUS_IN_EVENT into *BUFP. */
3010 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
3013 struct w32_display_info
*dpyinfo
;
3014 struct frame
*frame
;
3015 struct input_event
*bufp
;
3017 if (type
== WM_SETFOCUS
)
3019 if (dpyinfo
->w32_focus_event_frame
!= frame
)
3021 x_new_focus_frame (dpyinfo
, frame
);
3022 dpyinfo
->w32_focus_event_frame
= frame
;
3024 /* Don't stop displaying the initial startup message
3025 for a switch-frame event we don't need. */
3026 if (GC_NILP (Vterminal_frame
)
3027 && GC_CONSP (Vframe_list
)
3028 && !GC_NILP (XCDR (Vframe_list
)))
3030 bufp
->kind
= FOCUS_IN_EVENT
;
3031 XSETFRAME (bufp
->frame_or_window
, frame
);
3035 frame
->output_data
.x
->focus_state
|= state
;
3037 /* TODO: IME focus? */
3039 else if (type
== WM_KILLFOCUS
)
3041 frame
->output_data
.x
->focus_state
&= ~state
;
3043 if (dpyinfo
->w32_focus_event_frame
== frame
)
3045 dpyinfo
->w32_focus_event_frame
= 0;
3046 x_new_focus_frame (dpyinfo
, 0);
3049 /* TODO: IME focus? */
3054 /* The focus may have changed. Figure out if it is a real focus change,
3055 by checking both FocusIn/Out and Enter/LeaveNotify events.
3057 Returns FOCUS_IN_EVENT event in *BUFP. */
3060 w32_detect_focus_change (dpyinfo
, event
, bufp
)
3061 struct w32_display_info
*dpyinfo
;
3063 struct input_event
*bufp
;
3065 struct frame
*frame
;
3067 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
3071 /* On w32, this is only called from focus events, so no switch needed. */
3072 x_focus_changed (event
->msg
.message
,
3073 (event
->msg
.message
== WM_KILLFOCUS
?
3074 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
3075 dpyinfo
, frame
, bufp
);
3079 /* Handle an event saying the mouse has moved out of an Emacs frame. */
3082 x_mouse_leave (dpyinfo
)
3083 struct w32_display_info
*dpyinfo
;
3085 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
3088 /* The focus has changed, or we have redirected a frame's focus to
3089 another frame (this happens when a frame uses a surrogate
3090 mini-buffer frame). Shift the highlight as appropriate.
3092 The FRAME argument doesn't necessarily have anything to do with which
3093 frame is being highlighted or un-highlighted; we only use it to find
3094 the appropriate X display info. */
3097 w32_frame_rehighlight (frame
)
3098 struct frame
*frame
;
3100 if (! FRAME_W32_P (frame
))
3102 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
3106 x_frame_rehighlight (dpyinfo
)
3107 struct w32_display_info
*dpyinfo
;
3109 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
3111 if (dpyinfo
->w32_focus_frame
)
3113 dpyinfo
->x_highlight_frame
3114 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
3115 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
3116 : dpyinfo
->w32_focus_frame
);
3117 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
3119 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
3120 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
3124 dpyinfo
->x_highlight_frame
= 0;
3126 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3129 frame_unhighlight (old_highlight
);
3130 if (dpyinfo
->x_highlight_frame
)
3131 frame_highlight (dpyinfo
->x_highlight_frame
);
3135 /* Keyboard processing - modifier keys, etc. */
3137 /* Convert a keysym to its name. */
3140 x_get_keysym_name (keysym
)
3143 /* Make static so we can always return it */
3144 static char value
[100];
3147 GetKeyNameText (keysym
, value
, 100);
3155 /* Mouse clicks and mouse movement. Rah. */
3157 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3158 the state in PUP. XBUTTON provides extra information for extended mouse
3159 button messages. Returns FALSE if unable to parse the message. */
3161 parse_button (message
, xbutton
, pbutton
, pup
)
3172 case WM_LBUTTONDOWN
:
3180 case WM_MBUTTONDOWN
:
3181 if (NILP (Vw32_swap_mouse_buttons
))
3188 if (NILP (Vw32_swap_mouse_buttons
))
3194 case WM_RBUTTONDOWN
:
3195 if (NILP (Vw32_swap_mouse_buttons
))
3202 if (NILP (Vw32_swap_mouse_buttons
))
3208 case WM_XBUTTONDOWN
:
3209 button
= xbutton
+ 2;
3213 button
= xbutton
+ 2;
3221 if (pbutton
) *pbutton
= button
;
3227 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3229 If the event is a button press, then note that we have grabbed
3233 construct_mouse_click (result
, msg
, f
)
3234 struct input_event
*result
;
3241 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3244 /* Make the event type NO_EVENT; we'll change that when we decide
3246 result
->kind
= MOUSE_CLICK_EVENT
;
3247 result
->code
= button
;
3248 result
->timestamp
= msg
->msg
.time
;
3249 result
->modifiers
= (msg
->dwModifiers
3254 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3255 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3256 XSETFRAME (result
->frame_or_window
, f
);
3262 construct_mouse_wheel (result
, msg
, f
)
3263 struct input_event
*result
;
3270 result
->kind
= WHEEL_EVENT
;
3272 result
->timestamp
= msg
->msg
.time
;
3274 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3275 forward, away from the user (up); a negative value indicates that
3276 the wheel was rotated backward, toward the user (down). */
3277 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3279 /* The up and down modifiers indicate if the wheel was rotated up or
3280 down based on WHEEL_DELTA value. */
3281 result
->modifiers
= (msg
->dwModifiers
3282 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3284 p
.x
= LOWORD (msg
->msg
.lParam
);
3285 p
.y
= HIWORD (msg
->msg
.lParam
);
3286 ScreenToClient (msg
->msg
.hwnd
, &p
);
3287 XSETINT (result
->x
, p
.x
);
3288 XSETINT (result
->y
, p
.y
);
3289 XSETFRAME (result
->frame_or_window
, f
);
3295 construct_drag_n_drop (result
, msg
, f
)
3296 struct input_event
*result
;
3308 result
->kind
= DRAG_N_DROP_EVENT
;
3310 result
->timestamp
= msg
->msg
.time
;
3311 result
->modifiers
= msg
->dwModifiers
;
3313 hdrop
= (HDROP
) msg
->msg
.wParam
;
3314 DragQueryPoint (hdrop
, &p
);
3317 p
.x
= LOWORD (msg
->msg
.lParam
);
3318 p
.y
= HIWORD (msg
->msg
.lParam
);
3319 ScreenToClient (msg
->msg
.hwnd
, &p
);
3322 XSETINT (result
->x
, p
.x
);
3323 XSETINT (result
->y
, p
.y
);
3325 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3328 for (i
= 0; i
< num_files
; i
++)
3330 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3333 name
= alloca (len
+ 1);
3334 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3335 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3340 XSETFRAME (frame
, f
);
3341 result
->frame_or_window
= Fcons (frame
, files
);
3347 /* Function to report a mouse movement to the mainstream Emacs code.
3348 The input handler calls this.
3350 We have received a mouse movement event, which is given in *event.
3351 If the mouse is over a different glyph than it was last time, tell
3352 the mainstream emacs code by setting mouse_moved. If not, ask for
3353 another motion event, so we can check again the next time it moves. */
3355 static MSG last_mouse_motion_event
;
3356 static Lisp_Object last_mouse_motion_frame
;
3358 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3361 note_mouse_movement (frame
, msg
)
3365 int mouse_x
= LOWORD (msg
->lParam
);
3366 int mouse_y
= HIWORD (msg
->lParam
);
3368 last_mouse_movement_time
= msg
->time
;
3369 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3370 XSETFRAME (last_mouse_motion_frame
, frame
);
3372 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3374 frame
->mouse_moved
= 1;
3375 last_mouse_scroll_bar
= Qnil
;
3376 note_mouse_highlight (frame
, -1, -1);
3379 /* Has the mouse moved off the glyph it was on at the last sighting? */
3380 else if (mouse_x
< last_mouse_glyph
.left
3381 || mouse_x
> last_mouse_glyph
.right
3382 || mouse_y
< last_mouse_glyph
.top
3383 || mouse_y
> last_mouse_glyph
.bottom
)
3385 frame
->mouse_moved
= 1;
3386 last_mouse_scroll_bar
= Qnil
;
3387 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3388 /* Remember the mouse position here, as w32_mouse_position only
3389 gets called when mouse tracking is enabled but we also need
3390 to keep track of the mouse for help_echo and highlighting at
3392 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3397 /************************************************************************
3399 ************************************************************************/
3401 static struct scroll_bar
*x_window_to_scroll_bar ();
3402 static void x_scroll_bar_report_motion ();
3403 static void x_check_fullscreen
P_ ((struct frame
*));
3404 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3408 redo_mouse_highlight ()
3410 if (!NILP (last_mouse_motion_frame
)
3411 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3412 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3413 LOWORD (last_mouse_motion_event
.lParam
),
3414 HIWORD (last_mouse_motion_event
.lParam
));
3418 w32_define_cursor (window
, cursor
)
3422 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3425 /* Try to determine frame pixel position and size of the glyph under
3426 frame pixel coordinates X/Y on frame F . Return the position and
3427 size in *RECT. Value is non-zero if we could compute these
3431 glyph_rect (f
, x
, y
, rect
)
3438 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3442 struct window
*w
= XWINDOW (window
);
3443 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3444 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3446 for (; r
< end
&& r
->enabled_p
; ++r
)
3447 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3449 /* Found the row at y. */
3450 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3451 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3454 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3455 rect
->bottom
= rect
->top
+ r
->height
;
3459 /* x is to the left of the first glyph in the row. */
3460 /* Shouldn't this be a pixel value?
3461 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3463 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3464 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3468 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3469 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3471 /* x is on a glyph. */
3472 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3473 rect
->right
= rect
->left
+ g
->pixel_width
;
3477 /* x is to the right of the last glyph in the row. */
3478 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3479 /* Shouldn't this be a pixel value?
3480 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3482 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3487 /* The y is not on any row. */
3491 /* Record the position of the mouse in last_mouse_glyph. */
3493 remember_mouse_glyph (f1
, gx
, gy
)
3497 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3499 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3500 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3502 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3503 round down even for negative values. */
3509 /* This was the original code from XTmouse_position, but it seems
3510 to give the position of the glyph diagonally next to the one
3511 the mouse is over. */
3512 gx
= (gx
+ width
- 1) / width
* width
;
3513 gy
= (gy
+ height
- 1) / height
* height
;
3515 gx
= gx
/ width
* width
;
3516 gy
= gy
/ height
* height
;
3519 last_mouse_glyph
.left
= gx
;
3520 last_mouse_glyph
.top
= gy
;
3521 last_mouse_glyph
.right
= gx
+ width
;
3522 last_mouse_glyph
.bottom
= gy
+ height
;
3526 /* Return the current position of the mouse.
3527 *fp should be a frame which indicates which display to ask about.
3529 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3530 and *part to the frame, window, and scroll bar part that the mouse
3531 is over. Set *x and *y to the portion and whole of the mouse's
3532 position on the scroll bar.
3534 If the mouse movement started elsewhere, set *fp to the frame the
3535 mouse is on, *bar_window to nil, and *x and *y to the character cell
3538 Set *time to the server time-stamp for the time at which the mouse
3539 was at this position.
3541 Don't store anything if we don't have a valid set of values to report.
3543 This clears the mouse_moved flag, so we can wait for the next mouse
3547 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3550 Lisp_Object
*bar_window
;
3551 enum scroll_bar_part
*part
;
3553 unsigned long *time
;
3559 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3560 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3565 Lisp_Object frame
, tail
;
3567 /* Clear the mouse-moved flag for every frame on this display. */
3568 FOR_EACH_FRAME (tail
, frame
)
3569 XFRAME (frame
)->mouse_moved
= 0;
3571 last_mouse_scroll_bar
= Qnil
;
3575 /* Now we have a position on the root; find the innermost window
3576 containing the pointer. */
3578 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3579 && FRAME_LIVE_P (last_mouse_frame
))
3581 /* If mouse was grabbed on a frame, give coords for that frame
3582 even if the mouse is now outside it. */
3583 f1
= last_mouse_frame
;
3587 /* Is window under mouse one of our frames? */
3588 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3589 WindowFromPoint (pt
));
3592 /* If not, is it one of our scroll bars? */
3595 struct scroll_bar
*bar
3596 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3600 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3604 if (f1
== 0 && insist
> 0)
3605 f1
= SELECTED_FRAME ();
3609 /* Ok, we found a frame. Store all the values.
3610 last_mouse_glyph is a rectangle used to reduce the
3611 generation of mouse events. To not miss any motion
3612 events, we must divide the frame into rectangles of the
3613 size of the smallest character that could be displayed
3614 on it, i.e. into the same rectangles that matrices on
3615 the frame are divided into. */
3617 #if OLD_REDISPLAY_CODE
3618 int ignore1
, ignore2
;
3620 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3622 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3624 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3627 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3628 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3636 *time
= last_mouse_movement_time
;
3645 /***********************************************************************
3647 ***********************************************************************/
3649 /* Handle mouse button event on the tool-bar of frame F, at
3650 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3654 w32_handle_tool_bar_click (f
, button_event
)
3656 struct input_event
*button_event
;
3658 int x
= XFASTINT (button_event
->x
);
3659 int y
= XFASTINT (button_event
->y
);
3661 if (button_event
->modifiers
& down_modifier
)
3662 handle_tool_bar_click (f
, x
, y
, 1, 0);
3664 handle_tool_bar_click (f
, x
, y
, 0,
3665 button_event
->modifiers
& ~up_modifier
);
3670 /***********************************************************************
3672 ***********************************************************************/
3674 /* Scroll bar support. */
3676 /* Given a window ID, find the struct scroll_bar which manages it.
3677 This can be called in GC, so we have to make sure to strip off mark
3680 static struct scroll_bar
*
3681 x_window_to_scroll_bar (window_id
)
3686 for (tail
= Vframe_list
;
3687 XGCTYPE (tail
) == Lisp_Cons
;
3690 Lisp_Object frame
, bar
, condemned
;
3692 frame
= XCAR (tail
);
3693 /* All elements of Vframe_list should be frames. */
3694 if (! GC_FRAMEP (frame
))
3697 /* Scan this frame's scroll bar list for a scroll bar with the
3699 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3700 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3701 /* This trick allows us to search both the ordinary and
3702 condemned scroll bar lists with one loop. */
3703 ! GC_NILP (bar
) || (bar
= condemned
,
3706 bar
= XSCROLL_BAR (bar
)->next
)
3707 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3708 return XSCROLL_BAR (bar
);
3716 /* Set the thumb size and position of scroll bar BAR. We are currently
3717 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3720 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3721 struct scroll_bar
*bar
;
3722 int portion
, position
, whole
;
3724 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3725 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3726 int sb_page
, sb_pos
;
3727 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3731 /* Position scroll bar at rock bottom if the bottom of the
3732 buffer is visible. This avoids shinking the thumb away
3733 to nothing if it is held at the bottom of the buffer. */
3734 if (position
+ portion
>= whole
)
3736 sb_page
= range
* (whole
- position
) / whole
3737 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3741 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3742 sb_pos
= position
* range
/ whole
;
3752 if (pfnSetScrollInfo
)
3756 si
.cbSize
= sizeof (si
);
3757 /* Only update page size if currently dragging, to reduce
3760 si
.fMask
= SIF_PAGE
;
3762 si
.fMask
= SIF_PAGE
| SIF_POS
;
3766 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3769 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3775 /************************************************************************
3776 Scroll bars, general
3777 ************************************************************************/
3780 my_create_scrollbar (f
, bar
)
3782 struct scroll_bar
* bar
;
3784 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3785 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3789 /*#define ATTACH_THREADS*/
3792 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3794 #ifndef ATTACH_THREADS
3795 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3796 (WPARAM
) hwnd
, (LPARAM
) how
);
3798 return ShowWindow (hwnd
, how
);
3803 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3804 int x
, int y
, int cx
, int cy
, UINT flags
)
3806 #ifndef ATTACH_THREADS
3808 pos
.hwndInsertAfter
= hwndAfter
;
3814 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3816 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3821 my_set_focus (f
, hwnd
)
3825 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3830 my_set_foreground_window (hwnd
)
3833 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3838 my_destroy_window (f
, hwnd
)
3842 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3846 /* Create a scroll bar and return the scroll bar vector for it. W is
3847 the Emacs window on which to create the scroll bar. TOP, LEFT,
3848 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3851 static struct scroll_bar
*
3852 x_scroll_bar_create (w
, top
, left
, width
, height
)
3854 int top
, left
, width
, height
;
3856 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3858 struct scroll_bar
*bar
3859 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3863 XSETWINDOW (bar
->window
, w
);
3864 XSETINT (bar
->top
, top
);
3865 XSETINT (bar
->left
, left
);
3866 XSETINT (bar
->width
, width
);
3867 XSETINT (bar
->height
, height
);
3868 XSETINT (bar
->start
, 0);
3869 XSETINT (bar
->end
, 0);
3870 bar
->dragging
= Qnil
;
3872 /* Requires geometry to be set before call to create the real window */
3874 hwnd
= my_create_scrollbar (f
, bar
);
3876 if (pfnSetScrollInfo
)
3880 si
.cbSize
= sizeof (si
);
3883 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3884 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3888 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3892 SetScrollRange (hwnd
, SB_CTL
, 0,
3893 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3894 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3897 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3899 /* Add bar to its frame's list of scroll bars. */
3900 bar
->next
= FRAME_SCROLL_BARS (f
);
3902 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3903 if (! NILP (bar
->next
))
3904 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3912 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3916 x_scroll_bar_remove (bar
)
3917 struct scroll_bar
*bar
;
3919 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3923 /* Destroy the window. */
3924 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3926 /* Disassociate this scroll bar from its window. */
3927 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3932 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3933 that we are displaying PORTION characters out of a total of WHOLE
3934 characters, starting at POSITION. If WINDOW has no scroll bar,
3937 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3939 int portion
, whole
, position
;
3941 struct frame
*f
= XFRAME (w
->frame
);
3942 struct scroll_bar
*bar
;
3943 int top
, height
, left
, sb_left
, width
, sb_width
;
3944 int window_y
, window_height
;
3946 /* Get window dimensions. */
3947 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3949 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3950 height
= window_height
;
3952 /* Compute the left edge of the scroll bar area. */
3953 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3955 /* Compute the width of the scroll bar which might be less than
3956 the width of the area reserved for the scroll bar. */
3957 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3958 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3962 /* Compute the left edge of the scroll bar. */
3963 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3964 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3966 sb_left
= left
+ (width
- sb_width
) / 2;
3968 /* Does the scroll bar exist yet? */
3969 if (NILP (w
->vertical_scroll_bar
))
3973 if (width
> 0 && height
> 0)
3975 hdc
= get_frame_dc (f
);
3976 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3977 release_frame_dc (f
, hdc
);
3981 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3985 /* It may just need to be moved and resized. */
3988 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3989 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3991 /* If already correctly positioned, do nothing. */
3992 if ( XINT (bar
->left
) == sb_left
3993 && XINT (bar
->top
) == top
3994 && XINT (bar
->width
) == sb_width
3995 && XINT (bar
->height
) == height
)
3997 /* Redraw after clear_frame. */
3998 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3999 InvalidateRect (hwnd
, NULL
, FALSE
);
4005 if (width
&& height
)
4007 hdc
= get_frame_dc (f
);
4008 /* Since Windows scroll bars are smaller than the space reserved
4009 for them on the frame, we have to clear "under" them. */
4010 w32_clear_area (f
, hdc
,
4015 release_frame_dc (f
, hdc
);
4017 /* Make sure scroll bar is "visible" before moving, to ensure the
4018 area of the parent window now exposed will be refreshed. */
4019 my_show_window (f
, hwnd
, SW_HIDE
);
4020 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
4021 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
4022 max (height
, 1), TRUE
);
4023 if (pfnSetScrollInfo
)
4027 si
.cbSize
= sizeof (si
);
4028 si
.fMask
= SIF_RANGE
;
4030 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
4031 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4033 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
4036 SetScrollRange (hwnd
, SB_CTL
, 0,
4037 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
4038 my_show_window (f
, hwnd
, SW_NORMAL
);
4039 /* InvalidateRect (w, NULL, FALSE); */
4041 /* Remember new settings. */
4042 XSETINT (bar
->left
, sb_left
);
4043 XSETINT (bar
->top
, top
);
4044 XSETINT (bar
->width
, sb_width
);
4045 XSETINT (bar
->height
, height
);
4050 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
4052 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
4056 /* The following three hooks are used when we're doing a thorough
4057 redisplay of the frame. We don't explicitly know which scroll bars
4058 are going to be deleted, because keeping track of when windows go
4059 away is a real pain - "Can you say set-window-configuration, boys
4060 and girls?" Instead, we just assert at the beginning of redisplay
4061 that *all* scroll bars are to be removed, and then save a scroll bar
4062 from the fiery pit when we actually redisplay its window. */
4064 /* Arrange for all scroll bars on FRAME to be removed at the next call
4065 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
4066 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
4069 w32_condemn_scroll_bars (frame
)
4072 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
4073 while (! NILP (FRAME_SCROLL_BARS (frame
)))
4076 bar
= FRAME_SCROLL_BARS (frame
);
4077 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
4078 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
4079 XSCROLL_BAR (bar
)->prev
= Qnil
;
4080 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
4081 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
4082 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
4087 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
4088 Note that WINDOW isn't necessarily condemned at all. */
4091 w32_redeem_scroll_bar (window
)
4092 struct window
*window
;
4094 struct scroll_bar
*bar
;
4097 /* We can't redeem this window's scroll bar if it doesn't have one. */
4098 if (NILP (window
->vertical_scroll_bar
))
4101 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
4103 /* Unlink it from the condemned list. */
4104 f
= XFRAME (WINDOW_FRAME (window
));
4105 if (NILP (bar
->prev
))
4107 /* If the prev pointer is nil, it must be the first in one of
4109 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
4110 /* It's not condemned. Everything's fine. */
4112 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
4113 window
->vertical_scroll_bar
))
4114 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
4116 /* If its prev pointer is nil, it must be at the front of
4117 one or the other! */
4121 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
4123 if (! NILP (bar
->next
))
4124 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
4126 bar
->next
= FRAME_SCROLL_BARS (f
);
4128 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
4129 if (! NILP (bar
->next
))
4130 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
4133 /* Remove all scroll bars on FRAME that haven't been saved since the
4134 last call to `*condemn_scroll_bars_hook'. */
4137 w32_judge_scroll_bars (f
)
4140 Lisp_Object bar
, next
;
4142 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
4144 /* Clear out the condemned list now so we won't try to process any
4145 more events on the hapless scroll bars. */
4146 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
4148 for (; ! NILP (bar
); bar
= next
)
4150 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
4152 x_scroll_bar_remove (b
);
4155 b
->next
= b
->prev
= Qnil
;
4158 /* Now there should be no references to the condemned scroll bars,
4159 and they should get garbage-collected. */
4162 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4163 is set to something other than NO_EVENT, it is enqueued.
4165 This may be called from a signal handler, so we have to ignore GC
4169 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
4170 struct scroll_bar
*bar
;
4172 struct input_event
*emacs_event
;
4174 if (! GC_WINDOWP (bar
->window
))
4177 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
4178 emacs_event
->code
= 0;
4179 /* not really meaningful to distinguish up/down */
4180 emacs_event
->modifiers
= msg
->dwModifiers
;
4181 emacs_event
->frame_or_window
= bar
->window
;
4182 emacs_event
->arg
= Qnil
;
4183 emacs_event
->timestamp
= msg
->msg
.time
;
4186 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4188 int dragging
= !NILP (bar
->dragging
);
4190 if (pfnGetScrollInfo
)
4194 si
.cbSize
= sizeof (si
);
4197 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4201 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
4203 bar
->dragging
= Qnil
;
4206 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4208 switch (LOWORD (msg
->msg
.wParam
))
4211 emacs_event
->part
= scroll_bar_down_arrow
;
4214 emacs_event
->part
= scroll_bar_up_arrow
;
4217 emacs_event
->part
= scroll_bar_above_handle
;
4220 emacs_event
->part
= scroll_bar_below_handle
;
4223 emacs_event
->part
= scroll_bar_handle
;
4227 emacs_event
->part
= scroll_bar_handle
;
4231 case SB_THUMBPOSITION
:
4232 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4233 y
= HIWORD (msg
->msg
.wParam
);
4235 emacs_event
->part
= scroll_bar_handle
;
4237 /* "Silently" update current position. */
4238 if (pfnSetScrollInfo
)
4242 si
.cbSize
= sizeof (si
);
4245 /* Remember apparent position (we actually lag behind the real
4246 position, so don't set that directly. */
4247 last_scroll_bar_drag_pos
= y
;
4249 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4252 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
4255 /* If this is the end of a drag sequence, then reset the scroll
4256 handle size to normal and do a final redraw. Otherwise do
4260 if (pfnSetScrollInfo
)
4263 int start
= XINT (bar
->start
);
4264 int end
= XINT (bar
->end
);
4266 si
.cbSize
= sizeof (si
);
4267 si
.fMask
= SIF_PAGE
| SIF_POS
;
4268 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4269 si
.nPos
= last_scroll_bar_drag_pos
;
4270 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4273 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
4277 emacs_event
->kind
= NO_EVENT
;
4281 XSETINT (emacs_event
->x
, y
);
4282 XSETINT (emacs_event
->y
, top_range
);
4288 /* Return information to the user about the current position of the mouse
4289 on the scroll bar. */
4292 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4294 Lisp_Object
*bar_window
;
4295 enum scroll_bar_part
*part
;
4297 unsigned long *time
;
4299 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4300 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4301 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4303 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4308 *bar_window
= bar
->window
;
4310 if (pfnGetScrollInfo
)
4314 si
.cbSize
= sizeof (si
);
4315 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4317 pfnGetScrollInfo (w
, SB_CTL
, &si
);
4319 top_range
= si
.nMax
- si
.nPage
+ 1;
4322 pos
= GetScrollPos (w
, SB_CTL
);
4324 switch (LOWORD (last_mouse_scroll_bar_pos
))
4326 case SB_THUMBPOSITION
:
4328 *part
= scroll_bar_handle
;
4329 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4330 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4333 *part
= scroll_bar_handle
;
4337 *part
= scroll_bar_handle
;
4342 XSETINT (*y
, top_range
);
4345 last_mouse_scroll_bar
= Qnil
;
4347 *time
= last_mouse_movement_time
;
4353 /* The screen has been cleared so we may have changed foreground or
4354 background colors, and the scroll bars may need to be redrawn.
4355 Clear out the scroll bars, and ask for expose events, so we can
4359 x_scroll_bar_clear (f
)
4364 /* We can have scroll bars even if this is 0,
4365 if we just turned off scroll bar mode.
4366 But in that case we should not clear them. */
4367 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4368 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4369 bar
= XSCROLL_BAR (bar
)->next
)
4371 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4372 HDC hdc
= GetDC (window
);
4375 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4376 arranges to refresh the scroll bar if hidden. */
4377 my_show_window (f
, window
, SW_HIDE
);
4379 GetClientRect (window
, &rect
);
4380 select_palette (f
, hdc
);
4381 w32_clear_rect (f
, hdc
, &rect
);
4382 deselect_palette (f
, hdc
);
4384 ReleaseDC (window
, hdc
);
4389 /* The main W32 event-reading loop - w32_read_socket. */
4391 /* Record the last 100 characters stored
4392 to help debug the loss-of-chars-during-GC problem. */
4394 static int temp_index
;
4395 static short temp_buffer
[100];
4398 /* Read events coming from the W32 shell.
4399 This routine is called by the SIGIO handler.
4400 We return as soon as there are no more events to be read.
4402 We return the number of characters stored into the buffer,
4403 thus pretending to be `read'.
4405 EXPECTED is nonzero if the caller knows input is available.
4407 Some of these messages are reposted back to the message queue since the
4408 system calls the windows proc directly in a context where we cannot return
4409 the data nor can we guarantee the state we are in. So if we dispatch them
4410 we will get into an infinite loop. To prevent this from ever happening we
4411 will set a variable to indicate we are in the read_socket call and indicate
4412 which message we are processing since the windows proc gets called
4413 recursively with different messages by the system.
4417 w32_read_socket (sd
, expected
, hold_quit
)
4420 struct input_event
*hold_quit
;
4423 int check_visibility
= 0;
4426 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4428 if (interrupt_input_blocked
)
4430 interrupt_input_pending
= 1;
4434 interrupt_input_pending
= 0;
4437 /* So people can tell when we have read the available input. */
4438 input_signal_count
++;
4440 /* TODO: ghostscript integration. */
4441 while (get_next_msg (&msg
, FALSE
))
4443 struct input_event inev
;
4447 inev
.kind
= NO_EVENT
;
4450 switch (msg
.msg
.message
)
4453 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4457 if (msg
.rect
.right
== msg
.rect
.left
||
4458 msg
.rect
.bottom
== msg
.rect
.top
)
4460 /* We may get paint messages even though the client
4461 area is clipped - these are not expose events. */
4462 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4465 else if (f
->async_visible
!= 1)
4467 /* Definitely not obscured, so mark as visible. */
4468 f
->async_visible
= 1;
4469 f
->async_iconified
= 0;
4470 SET_FRAME_GARBAGED (f
);
4471 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4474 /* WM_PAINT serves as MapNotify as well, so report
4475 visibility changes properly. */
4478 inev
.kind
= DEICONIFY_EVENT
;
4479 XSETFRAME (inev
.frame_or_window
, f
);
4481 else if (! NILP (Vframe_list
)
4482 && ! NILP (XCDR (Vframe_list
)))
4483 /* Force a redisplay sooner or later to update the
4484 frame titles in case this is the second frame. */
4485 record_asynch_buffer_change ();
4489 HDC hdc
= get_frame_dc (f
);
4491 /* Erase background again for safety. */
4492 w32_clear_rect (f
, hdc
, &msg
.rect
);
4493 release_frame_dc (f
, hdc
);
4497 msg
.rect
.right
- msg
.rect
.left
,
4498 msg
.rect
.bottom
- msg
.rect
.top
);
4503 case WM_INPUTLANGCHANGE
:
4504 /* Generate a language change event. */
4505 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4509 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4510 XSETFRAME (inev
.frame_or_window
, f
);
4511 inev
.code
= msg
.msg
.wParam
;
4512 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4518 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4520 if (f
&& !f
->iconified
)
4522 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4524 clear_mouse_face (dpyinfo
);
4525 dpyinfo
->mouse_face_hidden
= 1;
4528 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4530 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4531 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4532 inev
.code
= msg
.msg
.wParam
;
4533 inev
.modifiers
= msg
.dwModifiers
;
4534 XSETFRAME (inev
.frame_or_window
, f
);
4535 inev
.timestamp
= msg
.msg
.time
;
4541 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4543 if (f
&& !f
->iconified
)
4545 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4547 clear_mouse_face (dpyinfo
);
4548 dpyinfo
->mouse_face_hidden
= 1;
4551 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4553 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4554 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4555 inev
.code
= msg
.msg
.wParam
;
4556 inev
.modifiers
= msg
.dwModifiers
;
4557 XSETFRAME (inev
.frame_or_window
, f
);
4558 inev
.timestamp
= msg
.msg
.time
;
4563 /* Ignore non-movement. */
4565 int x
= LOWORD (msg
.msg
.lParam
);
4566 int y
= HIWORD (msg
.msg
.lParam
);
4567 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4569 last_mousemove_x
= x
;
4570 last_mousemove_y
= y
;
4573 previous_help_echo_string
= help_echo_string
;
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
);
4581 if (dpyinfo
->mouse_face_hidden
)
4583 dpyinfo
->mouse_face_hidden
= 0;
4584 clear_mouse_face (dpyinfo
);
4589 /* Generate SELECT_WINDOW_EVENTs when needed. */
4590 if (mouse_autoselect_window
)
4593 int x
= LOWORD (msg
.msg
.lParam
);
4594 int y
= HIWORD (msg
.msg
.lParam
);
4596 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4598 /* Window will be selected only when it is not
4599 selected now and last mouse movement event was
4600 not in it. Minibuffer window will be selected
4601 iff it is active. */
4603 && !EQ (window
, last_window
)
4604 && !EQ (window
, selected_window
))
4606 inev
.kind
= SELECT_WINDOW_EVENT
;
4607 inev
.frame_or_window
= window
;
4612 note_mouse_movement (f
, &msg
.msg
);
4616 /* If we move outside the frame, then we're
4617 certainly no longer on any text in the frame. */
4618 clear_mouse_face (dpyinfo
);
4621 /* If the contents of the global variable help_echo_string
4622 has changed, generate a HELP_EVENT. */
4623 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4624 But it was originally changed to this to fix a bug, so I have
4625 not removed it completely in case the bug is still there. */
4626 if (help_echo_string
!= previous_help_echo_string
||
4627 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4628 #else /* This is what xterm.c does. */
4629 if (!NILP (help_echo_string
)
4630 || !NILP (previous_help_echo_string
))
4635 case WM_LBUTTONDOWN
:
4637 case WM_MBUTTONDOWN
:
4639 case WM_RBUTTONDOWN
:
4641 case WM_XBUTTONDOWN
:
4644 /* If we decide we want to generate an event to be seen
4645 by the rest of Emacs, we put it here. */
4650 if (dpyinfo
->grabbed
&& last_mouse_frame
4651 && FRAME_LIVE_P (last_mouse_frame
))
4652 f
= last_mouse_frame
;
4654 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4658 construct_mouse_click (&inev
, &msg
, f
);
4660 /* Is this in the tool-bar? */
4661 if (WINDOWP (f
->tool_bar_window
)
4662 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4665 int x
= XFASTINT (inev
.x
);
4666 int y
= XFASTINT (inev
.y
);
4668 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4670 if (EQ (window
, f
->tool_bar_window
))
4672 w32_handle_tool_bar_click (f
, &inev
);
4678 || (dpyinfo
->w32_focus_frame
4679 && f
!= dpyinfo
->w32_focus_frame
))
4680 inev
.kind
= NO_EVENT
;
4683 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4688 dpyinfo
->grabbed
&= ~ (1 << button
);
4692 dpyinfo
->grabbed
|= (1 << button
);
4693 last_mouse_frame
= f
;
4694 /* Ignore any mouse motion that happened
4695 before this event; any subsequent mouse-movement
4696 Emacs events should reflect only motion after
4702 last_tool_bar_item
= -1;
4709 if (dpyinfo
->grabbed
&& last_mouse_frame
4710 && FRAME_LIVE_P (last_mouse_frame
))
4711 f
= last_mouse_frame
;
4713 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4718 if (!dpyinfo
->w32_focus_frame
4719 || f
== dpyinfo
->w32_focus_frame
)
4721 /* Emit an Emacs wheel-up/down event. */
4722 construct_mouse_wheel (&inev
, &msg
, f
);
4724 /* Ignore any mouse motion that happened before this
4725 event; any subsequent mouse-movement Emacs events
4726 should reflect only motion after the
4730 last_mouse_frame
= f
;
4731 last_tool_bar_item
= -1;
4736 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4739 construct_drag_n_drop (&inev
, &msg
, f
);
4744 struct scroll_bar
*bar
=
4745 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4748 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4752 case WM_WINDOWPOSCHANGED
:
4753 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4756 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4757 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4759 check_visibility
= 1;
4763 case WM_ACTIVATEAPP
:
4764 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4766 x_check_fullscreen (f
);
4767 check_visibility
= 1;
4771 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4773 if (f
&& !f
->async_iconified
)
4777 x_real_positions (f
, &x
, &y
);
4782 check_visibility
= 1;
4786 /* wParam non-zero means Window is about to be shown, 0 means
4787 about to be hidden. */
4788 /* Redo the mouse-highlight after the tooltip has gone. */
4789 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4792 redo_mouse_highlight ();
4795 /* If window has been obscured or exposed by another window
4796 being maximised or minimised/restored, then recheck
4797 visibility of all frames. Direct changes to our own
4798 windows get handled by WM_SIZE. */
4800 if (msg
.msg
.lParam
!= 0)
4801 check_visibility
= 1;
4804 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4805 f
->async_visible
= msg
.msg
.wParam
;
4809 check_visibility
= 1;
4813 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4815 /* Inform lisp of whether frame has been iconified etc. */
4818 switch (msg
.msg
.wParam
)
4820 case SIZE_MINIMIZED
:
4821 f
->async_visible
= 0;
4822 f
->async_iconified
= 1;
4824 inev
.kind
= ICONIFY_EVENT
;
4825 XSETFRAME (inev
.frame_or_window
, f
);
4828 case SIZE_MAXIMIZED
:
4830 f
->async_visible
= 1;
4831 f
->async_iconified
= 0;
4833 /* wait_reading_process_output will notice this and update
4834 the frame's display structures. */
4835 SET_FRAME_GARBAGED (f
);
4841 /* Reset top and left positions of the Window
4842 here since Windows sends a WM_MOVE message
4843 BEFORE telling us the Window is minimized
4844 when the Window is iconified, with 3000,3000
4846 x_real_positions (f
, &x
, &y
);
4850 inev
.kind
= DEICONIFY_EVENT
;
4851 XSETFRAME (inev
.frame_or_window
, f
);
4853 else if (! NILP (Vframe_list
)
4854 && ! NILP (XCDR (Vframe_list
)))
4855 /* Force a redisplay sooner or later
4856 to update the frame titles
4857 in case this is the second frame. */
4858 record_asynch_buffer_change ();
4863 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4871 GetClientRect (msg
.msg
.hwnd
, &rect
);
4873 height
= rect
.bottom
- rect
.top
;
4874 width
= rect
.right
- rect
.left
;
4876 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4877 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4879 /* TODO: Clip size to the screen dimensions. */
4881 /* Even if the number of character rows and columns has
4882 not changed, the font size may have changed, so we need
4883 to check the pixel dimensions as well. */
4885 if (columns
!= FRAME_COLS (f
)
4886 || rows
!= FRAME_LINES (f
)
4887 || width
!= FRAME_PIXEL_WIDTH (f
)
4888 || height
!= FRAME_PIXEL_HEIGHT (f
))
4890 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4891 SET_FRAME_GARBAGED (f
);
4892 cancel_mouse_face (f
);
4893 FRAME_PIXEL_WIDTH (f
) = width
;
4894 FRAME_PIXEL_HEIGHT (f
) = height
;
4895 f
->win_gravity
= NorthWestGravity
;
4899 check_visibility
= 1;
4903 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4906 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4908 /* If we move outside the frame, then we're
4909 certainly no longer on any text in the frame. */
4910 clear_mouse_face (dpyinfo
);
4911 dpyinfo
->mouse_face_mouse_frame
= 0;
4914 /* Generate a nil HELP_EVENT to cancel a help-echo.
4915 Do it only if there's something to cancel.
4916 Otherwise, the startup message is cleared when
4917 the mouse leaves the frame. */
4918 if (any_help_event_p
)
4924 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4926 dpyinfo
->grabbed
= 0;
4927 check_visibility
= 1;
4931 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4935 if (f
== dpyinfo
->w32_focus_event_frame
)
4936 dpyinfo
->w32_focus_event_frame
= 0;
4938 if (f
== dpyinfo
->w32_focus_frame
)
4939 x_new_focus_frame (dpyinfo
, 0);
4941 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4943 /* If we move outside the frame, then we're
4944 certainly no longer on any text in the frame. */
4945 clear_mouse_face (dpyinfo
);
4946 dpyinfo
->mouse_face_mouse_frame
= 0;
4949 /* Generate a nil HELP_EVENT to cancel a help-echo.
4950 Do it only if there's something to cancel.
4951 Otherwise, the startup message is cleared when
4952 the mouse leaves the frame. */
4953 if (any_help_event_p
)
4957 dpyinfo
->grabbed
= 0;
4958 check_visibility
= 1;
4962 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4966 inev
.kind
= DELETE_WINDOW_EVENT
;
4967 XSETFRAME (inev
.frame_or_window
, f
);
4972 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4976 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4977 XSETFRAME (inev
.frame_or_window
, f
);
4982 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4986 extern void menubar_selection_callback
4987 (FRAME_PTR f
, void * client_data
);
4988 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4991 check_visibility
= 1;
4994 case WM_DISPLAYCHANGE
:
4995 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4999 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
5000 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
5001 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
5002 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
5006 check_visibility
= 1;
5010 /* Check for messages registered at runtime. */
5011 if (msg
.msg
.message
== msh_mousewheel
)
5013 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
5014 msg
.msg
.message
= WM_MOUSEWHEEL
;
5020 if (inev
.kind
!= NO_EVENT
)
5022 kbd_buffer_store_event_hold (&inev
, hold_quit
);
5027 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
5032 XSETFRAME (frame
, f
);
5038 if (NILP (help_echo_string
))
5040 help_echo_object
= help_echo_window
= Qnil
;
5044 any_help_event_p
= 1;
5045 gen_help_event (help_echo_string
, frame
, help_echo_window
,
5046 help_echo_object
, help_echo_pos
);
5050 help_echo_string
= Qnil
;
5051 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
5057 /* If the focus was just given to an autoraising frame,
5059 /* ??? This ought to be able to handle more than one such frame. */
5060 if (pending_autoraise_frame
)
5062 x_raise_frame (pending_autoraise_frame
);
5063 pending_autoraise_frame
= 0;
5066 /* Check which frames are still visisble, if we have enqueued any user
5067 events or been notified of events that may affect visibility. We
5068 do this here because there doesn't seem to be any direct
5069 notification from Windows that the visibility of a window has
5070 changed (at least, not in all cases). */
5071 if (count
> 0 || check_visibility
)
5073 Lisp_Object tail
, frame
;
5075 FOR_EACH_FRAME (tail
, frame
)
5077 FRAME_PTR f
= XFRAME (frame
);
5078 /* The tooltip has been drawn already. Avoid the
5079 SET_FRAME_GARBAGED below. */
5080 if (EQ (frame
, tip_frame
))
5083 /* Check "visible" frames and mark each as obscured or not.
5084 Note that async_visible is nonzero for unobscured and
5085 obscured frames, but zero for hidden and iconified frames. */
5086 if (FRAME_W32_P (f
) && f
->async_visible
)
5092 /* Query clipping rectangle for the entire window area
5093 (GetWindowDC), not just the client portion (GetDC).
5094 Otherwise, the scrollbars and menubar aren't counted as
5095 part of the visible area of the frame, and we may think
5096 the frame is obscured when really a scrollbar is still
5097 visible and gets WM_PAINT messages above. */
5098 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
5099 GetClipBox (hdc
, &clipbox
);
5100 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5103 if (clipbox
.right
== clipbox
.left
5104 || clipbox
.bottom
== clipbox
.top
)
5106 /* Frame has become completely obscured so mark as
5107 such (we do this by setting async_visible to 2 so
5108 that FRAME_VISIBLE_P is still true, but redisplay
5110 f
->async_visible
= 2;
5112 if (!FRAME_OBSCURED_P (f
))
5114 DebPrint (("frame %p (%s) obscured\n", f
,
5120 /* Frame is not obscured, so mark it as such. */
5121 f
->async_visible
= 1;
5123 if (FRAME_OBSCURED_P (f
))
5125 SET_FRAME_GARBAGED (f
);
5126 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
5129 /* Force a redisplay sooner or later. */
5130 record_asynch_buffer_change ();
5143 /***********************************************************************
5145 ***********************************************************************/
5147 /* Set clipping for output in glyph row ROW. W is the window in which
5148 we operate. GC is the graphics context to set clipping in.
5150 ROW may be a text row or, e.g., a mode line. Text rows must be
5151 clipped to the interior of the window dedicated to text display,
5152 mode lines must be clipped to the whole window. */
5155 w32_clip_to_row (w
, row
, area
, hdc
)
5157 struct glyph_row
*row
;
5161 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5163 int window_x
, window_y
, window_width
;
5165 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5167 clip_rect
.left
= window_x
;
5168 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5169 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5170 clip_rect
.right
= clip_rect
.left
+ window_width
;
5171 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5173 w32_set_clip_rectangle (hdc
, &clip_rect
);
5177 /* Draw a hollow box cursor on window W in glyph row ROW. */
5180 x_draw_hollow_cursor (w
, row
)
5182 struct glyph_row
*row
;
5184 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5188 struct glyph
*cursor_glyph
;
5189 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5191 /* Get the glyph the cursor is on. If we can't tell because
5192 the current matrix is invalid or such, give up. */
5193 cursor_glyph
= get_phys_cursor_glyph (w
);
5194 if (cursor_glyph
== NULL
)
5197 /* Compute frame-relative coordinates for phys cursor. */
5198 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5199 rect
.top
= get_phys_cursor_geometry (w
, row
, cursor_glyph
, &h
);
5200 rect
.bottom
= rect
.top
+ h
;
5201 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5203 hdc
= get_frame_dc (f
);
5204 /* Set clipping, draw the rectangle, and reset clipping again. */
5205 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5206 FrameRect (hdc
, &rect
, hb
);
5208 w32_set_clip_rectangle (hdc
, NULL
);
5209 release_frame_dc (f
, hdc
);
5213 /* Draw a bar cursor on window W in glyph row ROW.
5215 Implementation note: One would like to draw a bar cursor with an
5216 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5217 Unfortunately, I didn't find a font yet that has this property set.
5221 x_draw_bar_cursor (w
, row
, width
, kind
)
5223 struct glyph_row
*row
;
5225 enum text_cursor_kinds kind
;
5227 struct frame
*f
= XFRAME (w
->frame
);
5228 struct glyph
*cursor_glyph
;
5232 /* If cursor is out of bounds, don't draw garbage. This can happen
5233 in mini-buffer windows when switching between echo area glyphs
5235 cursor_glyph
= get_phys_cursor_glyph (w
);
5236 if (cursor_glyph
== NULL
)
5239 /* If on an image, draw like a normal cursor. That's usually better
5240 visible than drawing a bar, esp. if the image is large so that
5241 the bar might not be in the window. */
5242 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5244 struct glyph_row
*row
;
5245 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5246 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5250 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5251 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5253 /* If the glyph's background equals the color we normally draw
5254 the bar cursor in, the bar cursor in its normal color is
5255 invisible. Use the glyph's foreground color instead in this
5256 case, on the assumption that the glyph's colors are chosen so
5257 that the glyph is legible. */
5258 if (face
->background
== cursor_color
)
5259 cursor_color
= face
->foreground
;
5261 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5264 width
= FRAME_CURSOR_WIDTH (f
);
5265 width
= min (cursor_glyph
->pixel_width
, width
);
5267 w
->phys_cursor_width
= width
;
5270 hdc
= get_frame_dc (f
);
5271 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5273 if (kind
== BAR_CURSOR
)
5275 w32_fill_area (f
, hdc
, cursor_color
, x
,
5276 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5277 width
, row
->height
);
5281 w32_fill_area (f
, hdc
, cursor_color
, x
,
5282 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5283 row
->height
- width
),
5284 cursor_glyph
->pixel_width
, width
);
5287 w32_set_clip_rectangle (hdc
, NULL
);
5288 release_frame_dc (f
, hdc
);
5293 /* RIF: Define cursor CURSOR on frame F. */
5296 w32_define_frame_cursor (f
, cursor
)
5300 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5304 /* RIF: Clear area on frame F. */
5307 w32_clear_frame_area (f
, x
, y
, width
, height
)
5309 int x
, y
, width
, height
;
5313 hdc
= get_frame_dc (f
);
5314 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5315 release_frame_dc (f
, hdc
);
5318 /* RIF: Draw or clear cursor on window W. */
5321 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5323 struct glyph_row
*glyph_row
;
5325 int cursor_type
, cursor_width
;
5330 /* If the user wants to use the system caret, make sure our own
5331 cursor remains invisible. */
5332 if (w32_use_visible_system_caret
)
5334 /* Call to erase_phys_cursor here seems to use the
5335 wrong values of w->phys_cursor, as they have been
5336 overwritten before this function was called. */
5337 if (w
->phys_cursor_type
!= NO_CURSOR
)
5338 erase_phys_cursor (w
);
5340 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5341 w
->phys_cursor_width
= -1;
5345 w
->phys_cursor_type
= cursor_type
;
5348 w
->phys_cursor_on_p
= 1;
5350 /* If this is the active cursor, we need to track it with the
5351 system caret, so third party software like screen magnifiers
5352 and speech synthesizers can follow the cursor. */
5355 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5356 HWND hwnd
= FRAME_W32_WINDOW (f
);
5359 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5361 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5362 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5364 /* If the size of the active cursor changed, destroy the old
5366 if (w32_system_caret_hwnd
5367 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5368 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5370 w32_system_caret_height
= w
->phys_cursor_height
;
5372 /* Move the system caret. */
5373 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5376 if (glyph_row
->exact_window_width_line_p
5377 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5379 glyph_row
->cursor_in_fringe_p
= 1;
5380 draw_fringe_bitmap (w
, glyph_row
, 0);
5384 switch (cursor_type
)
5386 case HOLLOW_BOX_CURSOR
:
5387 x_draw_hollow_cursor (w
, glyph_row
);
5390 case FILLED_BOX_CURSOR
:
5391 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5395 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5399 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5403 w
->phys_cursor_width
= 0;
5417 x_bitmap_icon (f
, icon
)
5423 if (FRAME_W32_WINDOW (f
) == 0)
5427 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5428 else if (STRINGP (icon
))
5429 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5430 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5431 else if (SYMBOLP (icon
))
5435 if (EQ (icon
, intern ("application")))
5436 name
= (LPCTSTR
) IDI_APPLICATION
;
5437 else if (EQ (icon
, intern ("hand")))
5438 name
= (LPCTSTR
) IDI_HAND
;
5439 else if (EQ (icon
, intern ("question")))
5440 name
= (LPCTSTR
) IDI_QUESTION
;
5441 else if (EQ (icon
, intern ("exclamation")))
5442 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5443 else if (EQ (icon
, intern ("asterisk")))
5444 name
= (LPCTSTR
) IDI_ASTERISK
;
5445 else if (EQ (icon
, intern ("winlogo")))
5446 name
= (LPCTSTR
) IDI_WINLOGO
;
5450 hicon
= LoadIcon (NULL
, name
);
5458 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5465 /************************************************************************
5467 ************************************************************************/
5469 /* Display Error Handling functions not used on W32. Listing them here
5470 helps diff stay in step when comparing w32term.c with xterm.c.
5472 x_error_catcher (display, error)
5473 x_catch_errors (dpy)
5474 x_catch_errors_unwind (old_val)
5475 x_check_errors (dpy, format)
5476 x_had_errors_p (dpy)
5477 x_clear_errors (dpy)
5478 x_uncatch_errors (dpy, count)
5480 x_connection_signal (signalnum)
5481 x_connection_closed (dpy, error_message)
5482 x_error_quitter (display, error)
5483 x_error_handler (display, error)
5484 x_io_error_quitter (display)
5489 /* Changing the font of the frame. */
5491 /* Give frame F the font named FONTNAME as its default font, and
5492 return the full name of that font. FONTNAME may be a wildcard
5493 pattern; in that case, we choose some font that fits the pattern.
5494 The return value shows which font we chose. */
5497 x_new_font (f
, fontname
)
5499 register char *fontname
;
5501 struct font_info
*fontp
5502 = FS_LOAD_FONT (f
, fontname
);
5507 if (FRAME_FONT (f
) == (XFontStruct
*) (fontp
->font
))
5508 /* This font is already set in frame F. There's nothing more to
5510 return build_string (fontp
->full_name
);
5512 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5513 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5514 FRAME_FONTSET (f
) = -1;
5516 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5517 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5518 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5520 compute_fringe_widths (f
, 1);
5522 /* Compute the scroll bar width in character columns. */
5523 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5525 int wid
= FRAME_COLUMN_WIDTH (f
);
5526 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5527 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5531 int wid
= FRAME_COLUMN_WIDTH (f
);
5532 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5535 /* Now make the frame display the given font. */
5536 if (FRAME_W32_WINDOW (f
) != 0)
5538 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5539 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5542 return build_string (fontp
->full_name
);
5545 /* Give frame F the fontset named FONTSETNAME as its default fontset,
5546 and return the full name of that fontset. FONTSETNAME may be a
5547 wildcard pattern; in that case, we choose some fontset that fits
5548 the pattern. FONTSETNAME may be a font name for ASCII characters;
5549 in that case, we create a fontset from that font name.
5551 The return value shows which fontset we chose.
5552 If FONTSETNAME specifies the default fontset, return Qt.
5553 If an ASCII font in the specified fontset can't be loaded, return
5557 x_new_fontset (f
, fontsetname
)
5559 Lisp_Object fontsetname
;
5561 int fontset
= fs_query_fontset (fontsetname
, 0);
5564 if (fontset
> 0 && FRAME_FONTSET(f
) == fontset
)
5565 /* This fontset is already set in frame F. There's nothing more
5567 return fontset_name (fontset
);
5568 else if (fontset
== 0)
5569 /* The default fontset can't be the default font. */
5573 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5575 result
= x_new_font (f
, SDATA (fontsetname
));
5577 if (!STRINGP (result
))
5578 /* Can't load ASCII font. */
5582 fontset
= new_fontset_from_font_name (result
);
5584 /* Since x_new_font doesn't update any fontset information, do it now. */
5585 FRAME_FONTSET(f
) = fontset
;
5587 return fontset_name (fontset
);
5591 /***********************************************************************
5592 TODO: W32 Input Methods
5593 ***********************************************************************/
5594 /* Listing missing functions from xterm.c helps diff stay in step.
5596 xim_destroy_callback (xim, client_data, call_data)
5597 xim_open_dpy (dpyinfo, resource_name)
5599 xim_instantiate_callback (display, client_data, call_data)
5600 xim_initialize (dpyinfo, resource_name)
5601 xim_close_dpy (dpyinfo)
5606 /* Calculate the absolute position in frame F
5607 from its current recorded position values and gravity. */
5610 x_calc_absolute_position (f
)
5613 int flags
= f
->size_hint_flags
;
5615 /* Treat negative positions as relative to the leftmost bottommost
5616 position that fits on the screen. */
5617 if (flags
& XNegative
)
5618 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5619 - FRAME_PIXEL_WIDTH (f
)
5622 if (flags
& YNegative
)
5623 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5624 - FRAME_PIXEL_HEIGHT (f
)
5626 /* The left_pos and top_pos
5627 are now relative to the top and left screen edges,
5628 so the flags should correspond. */
5629 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5632 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5633 to really change the position, and 0 when calling from
5634 x_make_frame_visible (in that case, XOFF and YOFF are the current
5635 position values). It is -1 when calling from x_set_frame_parameters,
5636 which means, do adjust for borders but don't change the gravity. */
5639 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5641 register int xoff
, yoff
;
5644 int modified_top
, modified_left
;
5646 if (change_gravity
> 0)
5650 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5652 f
->size_hint_flags
|= XNegative
;
5654 f
->size_hint_flags
|= YNegative
;
5655 f
->win_gravity
= NorthWestGravity
;
5657 x_calc_absolute_position (f
);
5660 x_wm_set_size_hint (f
, (long) 0, 0);
5662 modified_left
= f
->left_pos
;
5663 modified_top
= f
->top_pos
;
5665 my_set_window_pos (FRAME_W32_WINDOW (f
),
5667 modified_left
, modified_top
,
5669 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5674 /* Check if we need to resize the frame due to a fullscreen request.
5675 If so needed, resize the frame. */
5677 x_check_fullscreen (f
)
5680 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5682 int width
, height
, ign
;
5684 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5686 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5688 /* We do not need to move the window, it shall be taken care of
5689 when setting WM manager hints. */
5690 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5692 change_frame_size (f
, height
, width
, 0, 1, 0);
5693 SET_FRAME_GARBAGED (f
);
5694 cancel_mouse_face (f
);
5696 /* Wait for the change of frame size to occur */
5697 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5702 /* Call this to change the size of frame F's x-window.
5703 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5704 for this size change and subsequent size changes.
5705 Otherwise we leave the window gravity unchanged. */
5708 x_set_window_size (f
, change_gravity
, cols
, rows
)
5713 int pixelwidth
, pixelheight
;
5717 check_frame_size (f
, &rows
, &cols
);
5718 f
->scroll_bar_actual_width
5719 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5721 compute_fringe_widths (f
, 0);
5723 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5724 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5726 f
->win_gravity
= NorthWestGravity
;
5727 x_wm_set_size_hint (f
, (long) 0, 0);
5732 rect
.left
= rect
.top
= 0;
5733 rect
.right
= pixelwidth
;
5734 rect
.bottom
= pixelheight
;
5736 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5737 FRAME_EXTERNAL_MENU_BAR (f
));
5739 my_set_window_pos (FRAME_W32_WINDOW (f
),
5742 rect
.right
- rect
.left
,
5743 rect
.bottom
- rect
.top
,
5744 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5747 /* Now, strictly speaking, we can't be sure that this is accurate,
5748 but the window manager will get around to dealing with the size
5749 change request eventually, and we'll hear how it went when the
5750 ConfigureNotify event gets here.
5752 We could just not bother storing any of this information here,
5753 and let the ConfigureNotify event set everything up, but that
5754 might be kind of confusing to the Lisp code, since size changes
5755 wouldn't be reported in the frame parameters until some random
5756 point in the future when the ConfigureNotify event arrives.
5758 We pass 1 for DELAY since we can't run Lisp code inside of
5760 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5761 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5762 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5764 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5765 receive in the ConfigureNotify event; if we get what we asked
5766 for, then the event won't cause the screen to become garbaged, so
5767 we have to make sure to do it here. */
5768 SET_FRAME_GARBAGED (f
);
5770 /* If cursor was outside the new size, mark it as off. */
5771 mark_window_cursors_off (XWINDOW (f
->root_window
));
5773 /* Clear out any recollection of where the mouse highlighting was,
5774 since it might be in a place that's outside the new frame size.
5775 Actually checking whether it is outside is a pain in the neck,
5776 so don't try--just let the highlighting be done afresh with new size. */
5777 cancel_mouse_face (f
);
5782 /* Mouse warping. */
5784 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5787 x_set_mouse_position (f
, x
, y
)
5793 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5794 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5796 if (pix_x
< 0) pix_x
= 0;
5797 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5799 if (pix_y
< 0) pix_y
= 0;
5800 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5802 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5806 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5815 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5816 pt
.x
= rect
.left
+ pix_x
;
5817 pt
.y
= rect
.top
+ pix_y
;
5818 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5820 SetCursorPos (pt
.x
, pt
.y
);
5826 /* focus shifting, raising and lowering. */
5829 x_focus_on_frame (f
)
5832 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5834 /* Give input focus to frame. */
5837 /* Try not to change its Z-order if possible. */
5838 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5839 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5842 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5852 /* Raise frame F. */
5859 /* Strictly speaking, raise-frame should only change the frame's Z
5860 order, leaving input focus unchanged. This is reasonable behaviour
5861 on X where the usual policy is point-to-focus. However, this
5862 behaviour would be very odd on Windows where the usual policy is
5865 On X, if the mouse happens to be over the raised frame, it gets
5866 input focus anyway (so the window with focus will never be
5867 completely obscured) - if not, then just moving the mouse over it
5868 is sufficient to give it focus. On Windows, the user must actually
5869 click on the frame (preferrably the title bar so as not to move
5870 point), which is more awkward. Also, no other Windows program
5871 raises a window to the top but leaves another window (possibly now
5872 completely obscured) with input focus.
5874 Because there is a system setting on Windows that allows the user
5875 to choose the point to focus policy, we make the strict semantics
5876 optional, but by default we grab focus when raising. */
5878 if (NILP (Vw32_grab_focus_on_raise
))
5880 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5881 not already the foreground application: the frame is raised
5882 above all other frames belonging to us, but not above the
5883 current top window. To achieve that, we have to resort to this
5884 more cumbersome method. */
5886 HDWP handle
= BeginDeferWindowPos (2);
5889 DeferWindowPos (handle
,
5890 FRAME_W32_WINDOW (f
),
5893 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5895 DeferWindowPos (handle
,
5896 GetForegroundWindow (),
5897 FRAME_W32_WINDOW (f
),
5899 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5901 EndDeferWindowPos (handle
);
5906 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5912 /* Lower frame F. */
5918 my_set_window_pos (FRAME_W32_WINDOW (f
),
5921 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5926 w32_frame_raise_lower (f
, raise_flag
)
5930 if (! FRAME_W32_P (f
))
5939 /* Change of visibility. */
5941 /* This tries to wait until the frame is really visible.
5942 However, if the window manager asks the user where to position
5943 the frame, this will return before the user finishes doing that.
5944 The frame will not actually be visible at that time,
5945 but it will become visible later when the window manager
5946 finishes with it. */
5949 x_make_frame_visible (f
)
5956 type
= x_icon_type (f
);
5958 x_bitmap_icon (f
, type
);
5960 if (! FRAME_VISIBLE_P (f
))
5962 /* We test FRAME_GARBAGED_P here to make sure we don't
5963 call x_set_offset a second time
5964 if we get to x_make_frame_visible a second time
5965 before the window gets really visible. */
5966 if (! FRAME_ICONIFIED_P (f
)
5967 && ! f
->output_data
.w32
->asked_for_visible
)
5968 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5970 f
->output_data
.w32
->asked_for_visible
= 1;
5972 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5973 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5976 /* Synchronize to ensure Emacs knows the frame is visible
5977 before we do anything else. We do this loop with input not blocked
5978 so that incoming events are handled. */
5983 /* This must come after we set COUNT. */
5986 XSETFRAME (frame
, f
);
5988 /* Wait until the frame is visible. Process X events until a
5989 MapNotify event has been seen, or until we think we won't get a
5990 MapNotify at all.. */
5991 for (count
= input_signal_count
+ 10;
5992 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5994 /* Force processing of queued events. */
5995 /* TODO: x_sync equivalent? */
5997 /* Machines that do polling rather than SIGIO have been observed
5998 to go into a busy-wait here. So we'll fake an alarm signal
5999 to let the handler know that there's something to be read.
6000 We used to raise a real alarm, but it seems that the handler
6001 isn't always enabled here. This is probably a bug. */
6002 if (input_polling_used ())
6004 /* It could be confusing if a real alarm arrives while processing
6005 the fake one. Turn it off and let the handler reset it. */
6006 int old_poll_suppress_count
= poll_suppress_count
;
6007 poll_suppress_count
= 1;
6008 poll_for_input_1 ();
6009 poll_suppress_count
= old_poll_suppress_count
;
6012 FRAME_SAMPLE_VISIBILITY (f
);
6016 /* Change from mapped state to withdrawn state. */
6018 /* Make the frame visible (mapped and not iconified). */
6020 x_make_frame_invisible (f
)
6023 /* Don't keep the highlight on an invisible frame. */
6024 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6025 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6029 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
6031 /* We can't distinguish this from iconification
6032 just by the event that we get from the server.
6033 So we can't win using the usual strategy of letting
6034 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
6035 and synchronize with the server to make sure we agree. */
6037 FRAME_ICONIFIED_P (f
) = 0;
6038 f
->async_visible
= 0;
6039 f
->async_iconified
= 0;
6044 /* Change window state from mapped to iconified. */
6052 /* Don't keep the highlight on an invisible frame. */
6053 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6054 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6056 if (f
->async_iconified
)
6061 type
= x_icon_type (f
);
6063 x_bitmap_icon (f
, type
);
6065 /* Simulate the user minimizing the frame. */
6066 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6072 /* Free X resources of frame F. */
6075 x_free_frame_resources (f
)
6078 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6082 if (FRAME_W32_WINDOW (f
))
6083 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6085 free_frame_menubar (f
);
6087 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
6088 unload_color (f
, f
->output_data
.x
->background_pixel
);
6089 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6090 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6091 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6092 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6093 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6094 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6095 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6096 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6098 if (FRAME_FACE_CACHE (f
))
6099 free_frame_faces (f
);
6101 xfree (f
->output_data
.w32
);
6102 f
->output_data
.w32
= NULL
;
6104 if (f
== dpyinfo
->w32_focus_frame
)
6105 dpyinfo
->w32_focus_frame
= 0;
6106 if (f
== dpyinfo
->w32_focus_event_frame
)
6107 dpyinfo
->w32_focus_event_frame
= 0;
6108 if (f
== dpyinfo
->x_highlight_frame
)
6109 dpyinfo
->x_highlight_frame
= 0;
6111 if (f
== dpyinfo
->mouse_face_mouse_frame
)
6113 dpyinfo
->mouse_face_beg_row
6114 = dpyinfo
->mouse_face_beg_col
= -1;
6115 dpyinfo
->mouse_face_end_row
6116 = dpyinfo
->mouse_face_end_col
= -1;
6117 dpyinfo
->mouse_face_window
= Qnil
;
6118 dpyinfo
->mouse_face_deferred_gc
= 0;
6119 dpyinfo
->mouse_face_mouse_frame
= 0;
6126 /* Destroy the window of frame F. */
6128 x_destroy_window (f
)
6131 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6133 x_free_frame_resources (f
);
6135 dpyinfo
->reference_count
--;
6139 /* Setting window manager hints. */
6141 /* Set the normal size hints for the window manager, for frame F.
6142 FLAGS is the flags word to use--or 0 meaning preserve the flags
6143 that the window now has.
6144 If USER_POSITION is nonzero, we set the USPosition
6145 flag (this is useful when FLAGS is 0). */
6147 x_wm_set_size_hint (f
, flags
, user_position
)
6152 Window window
= FRAME_W32_WINDOW (f
);
6156 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6157 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6158 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6159 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6164 /* Window manager things */
6166 x_wm_set_icon_position (f
, icon_x
, icon_y
)
6171 Window window
= FRAME_W32_WINDOW (f
);
6173 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6174 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6175 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6177 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6182 /***********************************************************************
6184 ***********************************************************************/
6186 /* The following functions are listed here to help diff stay in step
6187 with xterm.c. See w32fns.c for definitions.
6189 x_get_font_info (f, font_idx)
6190 x_list_fonts (f, pattern, size, maxnames)
6196 /* Check that FONT is valid on frame F. It is if it can be found in F's
6200 x_check_font (f
, font
)
6205 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6207 xassert (font
!= NULL
);
6209 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
6210 if (dpyinfo
->font_table
[i
].name
6211 && font
== dpyinfo
->font_table
[i
].font
)
6214 xassert (i
< dpyinfo
->n_fonts
);
6217 #endif /* GLYPH_DEBUG != 0 */
6219 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6220 Note: There are (broken) X fonts out there with invalid XFontStruct
6221 min_bounds contents. For example, handa@etl.go.jp reports that
6222 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6223 have font->min_bounds.width == 0. */
6226 x_font_min_bounds (font
, w
, h
)
6231 * TODO: Windows does not appear to offer min bound, only
6232 * average and maximum width, and maximum height.
6234 *h
= FONT_HEIGHT (font
);
6235 *w
= FONT_WIDTH (font
);
6239 /* Compute the smallest character width and smallest font height over
6240 all fonts available on frame F. Set the members smallest_char_width
6241 and smallest_font_height in F's x_display_info structure to
6242 the values computed. Value is non-zero if smallest_font_height or
6243 smallest_char_width become smaller than they were before. */
6246 x_compute_min_glyph_bounds (f
)
6250 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6252 int old_width
= dpyinfo
->smallest_char_width
;
6253 int old_height
= dpyinfo
->smallest_font_height
;
6255 dpyinfo
->smallest_font_height
= 100000;
6256 dpyinfo
->smallest_char_width
= 100000;
6258 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6259 if (dpyinfo
->font_table
[i
].name
)
6261 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6264 font
= (XFontStruct
*) fontp
->font
;
6265 xassert (font
!= (XFontStruct
*) ~0);
6266 x_font_min_bounds (font
, &w
, &h
);
6268 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6269 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6272 xassert (dpyinfo
->smallest_char_width
> 0
6273 && dpyinfo
->smallest_font_height
> 0);
6275 return (dpyinfo
->n_fonts
== 1
6276 || dpyinfo
->smallest_char_width
< old_width
6277 || dpyinfo
->smallest_font_height
< old_height
);
6280 /* The following functions are listed here to help diff stay in step
6281 with xterm.c. See w32fns.c for definitions.
6283 x_load_font (f, fontname, size)
6284 x_query_font (f, fontname)
6285 x_find_ccl_program (fontp)
6289 /***********************************************************************
6291 ***********************************************************************/
6293 static int w32_initialized
= 0;
6296 w32_initialize_display_info (display_name
)
6297 Lisp_Object display_name
;
6299 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6301 bzero (dpyinfo
, sizeof (*dpyinfo
));
6303 /* Put it on w32_display_name_list. */
6304 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6305 w32_display_name_list
);
6306 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6308 dpyinfo
->w32_id_name
6309 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6310 + SCHARS (Vsystem_name
)
6312 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6313 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6315 /* Default Console mode values - overridden when running in GUI mode
6316 with values obtained from system metrics. */
6319 dpyinfo
->height_in
= 1;
6320 dpyinfo
->width_in
= 1;
6321 dpyinfo
->n_planes
= 1;
6322 dpyinfo
->n_cbits
= 4;
6323 dpyinfo
->n_fonts
= 0;
6324 dpyinfo
->smallest_font_height
= 1;
6325 dpyinfo
->smallest_char_width
= 1;
6327 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6328 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6329 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6330 dpyinfo
->mouse_face_window
= Qnil
;
6331 dpyinfo
->mouse_face_overlay
= Qnil
;
6332 dpyinfo
->mouse_face_hidden
= 0;
6334 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6335 /* TODO: dpyinfo->gray */
6339 /* Create an xrdb-style database of resources to supercede registry settings.
6340 The database is just a concatenation of C strings, finished by an additional
6341 \0. The string are submitted to some basic normalization, so
6343 [ *]option[ *]:[ *]value...
6349 but any whitespace following value is not removed. */
6352 w32_make_rdb (xrm_option
)
6355 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6356 char *current
= buffer
;
6359 int before_value
= 0;
6373 if (in_option
&& (ch
== ':'))
6378 else if (before_value
)
6383 else if (!(in_option
|| before_value
))
6394 struct w32_display_info
*
6395 w32_term_init (display_name
, xrm_option
, resource_name
)
6396 Lisp_Object display_name
;
6398 char *resource_name
;
6400 struct w32_display_info
*dpyinfo
;
6405 if (!w32_initialized
)
6408 w32_initialized
= 1;
6411 w32_initialize_display_info (display_name
);
6413 dpyinfo
= &one_w32_display_info
;
6415 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6417 /* Put this display on the chain. */
6418 dpyinfo
->next
= x_display_list
;
6419 x_display_list
= dpyinfo
;
6421 hdc
= GetDC (GetDesktopWindow ());
6423 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6424 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6425 dpyinfo
->root_window
= GetDesktopWindow ();
6426 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6427 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6428 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6429 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6430 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6431 dpyinfo
->image_cache
= make_image_cache ();
6432 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6433 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6434 ReleaseDC (GetDesktopWindow (), hdc
);
6436 /* initialise palette with white and black */
6439 w32_defined_color (0, "white", &color
, 1);
6440 w32_defined_color (0, "black", &color
, 1);
6443 /* Create Fringe Bitmaps and store them for later use.
6445 On W32, bitmaps are all unsigned short, as Windows requires
6446 bitmap data to be Word aligned. For some reason they are
6447 horizontally reflected compared to how they appear on X, so we
6448 need to bitswap and convert to unsigned shorts before creating
6452 #ifndef F_SETOWN_BUG
6454 #ifdef F_SETOWN_SOCK_NEG
6455 /* stdin is a socket here */
6456 fcntl (connection
, F_SETOWN
, -getpid ());
6457 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6458 fcntl (connection
, F_SETOWN
, getpid ());
6459 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6460 #endif /* ! defined (F_SETOWN) */
6461 #endif /* F_SETOWN_BUG */
6464 if (interrupt_input
)
6465 init_sigio (connection
);
6466 #endif /* ! defined (SIGIO) */
6473 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6476 x_delete_display (dpyinfo
)
6477 struct w32_display_info
*dpyinfo
;
6479 /* Discard this display from w32_display_name_list and w32_display_list.
6480 We can't use Fdelq because that can quit. */
6481 if (! NILP (w32_display_name_list
)
6482 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6483 w32_display_name_list
= XCDR (w32_display_name_list
);
6488 tail
= w32_display_name_list
;
6489 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6491 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6493 XSETCDR (tail
, XCDR (XCDR (tail
)));
6500 /* free palette table */
6502 struct w32_palette_entry
* plist
;
6504 plist
= dpyinfo
->color_list
;
6507 struct w32_palette_entry
* pentry
= plist
;
6508 plist
= plist
->next
;
6511 dpyinfo
->color_list
= NULL
;
6512 if (dpyinfo
->palette
)
6513 DeleteObject(dpyinfo
->palette
);
6515 xfree (dpyinfo
->font_table
);
6516 xfree (dpyinfo
->w32_id_name
);
6518 w32_reset_fringes ();
6521 /* Set up use of W32. */
6523 DWORD
w32_msg_worker ();
6526 x_flush (struct frame
* f
)
6527 { /* Nothing to do */ }
6529 extern frame_parm_handler w32_frame_parm_handlers
[];
6531 static struct redisplay_interface w32_redisplay_interface
=
6533 w32_frame_parm_handlers
,
6537 x_clear_end_of_line
,
6539 x_after_update_window_line
,
6540 x_update_window_begin
,
6541 x_update_window_end
,
6544 0, /* flush_display_optional */
6545 x_clear_window_mouse_face
,
6546 w32_get_glyph_overhangs
,
6547 x_fix_overlapping_area
,
6548 w32_draw_fringe_bitmap
,
6549 w32_define_fringe_bitmap
,
6550 w32_destroy_fringe_bitmap
,
6551 w32_per_char_metric
,
6553 NULL
, /* w32_compute_glyph_string_overhangs */
6554 x_draw_glyph_string
,
6555 w32_define_frame_cursor
,
6556 w32_clear_frame_area
,
6557 w32_draw_window_cursor
,
6558 w32_draw_vertical_window_border
,
6559 w32_shift_glyphs_for_insert
6565 rif
= &w32_redisplay_interface
;
6567 /* MSVC does not type K&R functions with no arguments correctly, and
6568 so we must explicitly cast them. */
6569 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6570 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6571 update_begin_hook
= x_update_begin
;
6572 update_end_hook
= x_update_end
;
6574 read_socket_hook
= w32_read_socket
;
6576 frame_up_to_date_hook
= w32_frame_up_to_date
;
6578 mouse_position_hook
= w32_mouse_position
;
6579 frame_rehighlight_hook
= w32_frame_rehighlight
;
6580 frame_raise_lower_hook
= w32_frame_raise_lower
;
6581 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6582 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6583 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6584 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6586 scroll_region_ok
= 1; /* we'll scroll partial frames */
6587 char_ins_del_ok
= 1;
6588 line_ins_del_ok
= 1; /* we'll just blt 'em */
6589 fast_clear_end_of_line
= 1; /* X does this well */
6590 memory_below_frame
= 0; /* we don't remember what scrolls
6594 w32_system_caret_hwnd
= NULL
;
6595 w32_system_caret_height
= 0;
6596 w32_system_caret_x
= 0;
6597 w32_system_caret_y
= 0;
6599 /* Initialize w32_use_visible_system_caret based on whether a screen
6600 reader is in use. */
6601 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6602 &w32_use_visible_system_caret
, 0))
6603 w32_use_visible_system_caret
= 0;
6605 last_tool_bar_item
= -1;
6606 any_help_event_p
= 0;
6608 /* Initialize input mode: interrupt_input off, no flow control, allow
6609 8 bit character input, standard quit char. */
6610 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6612 /* Create the window thread - it will terminate itself or when the app terminates */
6616 dwMainThreadId
= GetCurrentThreadId ();
6617 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6618 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6620 /* Wait for thread to start */
6625 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6627 hWindowsThread
= CreateThread (NULL
, 0,
6628 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6629 0, 0, &dwWindowsThreadId
);
6631 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6634 /* It is desirable that mainThread should have the same notion of
6635 focus window and active window as windowsThread. Unfortunately, the
6636 following call to AttachThreadInput, which should do precisely what
6637 we need, causes major problems when Emacs is linked as a console
6638 program. Unfortunately, we have good reasons for doing that, so
6639 instead we need to send messages to windowsThread to make some API
6640 calls for us (ones that affect, or depend on, the active/focus
6642 #ifdef ATTACH_THREADS
6643 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6646 /* Dynamically link to optional system components. */
6648 HANDLE user_lib
= LoadLibrary ("user32.dll");
6649 HANDLE gdi_lib
= LoadLibrary ("gdi32.dll");
6650 UINT smoothing_type
;
6651 BOOL smoothing_enabled
;
6653 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6655 /* New proportional scroll bar functions. */
6656 LOAD_PROC (user_lib
, SetScrollInfo
);
6657 LOAD_PROC (user_lib
, GetScrollInfo
);
6658 LOAD_PROC (gdi_lib
, GetFontUnicodeRanges
);
6662 FreeLibrary (user_lib
);
6663 FreeLibrary (gdi_lib
);
6665 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6666 otherwise use the fixed height. */
6667 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6668 GetSystemMetrics (SM_CYVTHUMB
);
6670 /* For either kind of scroll bar, take account of the arrows; these
6671 effectively form the border of the main scroll bar range. */
6672 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6673 = GetSystemMetrics (SM_CYVSCROLL
);
6675 /* Constants that are not always defined by the system headers
6676 since they only exist on certain versions of Windows. */
6677 #ifndef SPI_GETFONTSMOOTHING
6678 #define SPI_GETFONTSMOOTHING 0x4A
6680 #ifndef SPI_GETFONTSMOOTHINGTYPE
6681 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6683 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6684 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6687 /* Determine if Cleartype is in use. Used to enable a hack in
6688 the char metric calculations which adds extra pixels to
6689 compensate for the "sub-pixels" that are not counted by the
6692 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6693 && smoothing_enabled
6694 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6695 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6702 staticpro (&w32_display_name_list
);
6703 w32_display_name_list
= Qnil
;
6705 staticpro (&last_mouse_scroll_bar
);
6706 last_mouse_scroll_bar
= Qnil
;
6708 staticpro (&Qvendor_specific_keysyms
);
6709 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6711 DEFVAR_INT ("w32-num-mouse-buttons",
6712 &w32_num_mouse_buttons
,
6713 doc
: /* Number of physical mouse buttons. */);
6714 w32_num_mouse_buttons
= 2;
6716 DEFVAR_LISP ("w32-swap-mouse-buttons",
6717 &Vw32_swap_mouse_buttons
,
6718 doc
: /* Swap the mapping of middle and right mouse buttons.
6719 When nil, middle button is mouse-2 and right button is mouse-3. */);
6720 Vw32_swap_mouse_buttons
= Qnil
;
6722 DEFVAR_LISP ("w32-grab-focus-on-raise",
6723 &Vw32_grab_focus_on_raise
,
6724 doc
: /* Raised frame grabs input focus.
6725 When t, `raise-frame' grabs input focus as well. This fits well
6726 with the normal Windows click-to-focus policy, but might not be
6727 desirable when using a point-to-focus policy. */);
6728 Vw32_grab_focus_on_raise
= Qt
;
6730 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6731 &Vw32_capslock_is_shiftlock
,
6732 doc
: /* Apply CapsLock state to non character input keys.
6733 When nil, CapsLock only affects normal character input keys. */);
6734 Vw32_capslock_is_shiftlock
= Qnil
;
6736 DEFVAR_LISP ("w32-recognize-altgr",
6737 &Vw32_recognize_altgr
,
6738 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6739 When nil, the right-alt and left-ctrl key combination is
6740 interpreted normally. */);
6741 Vw32_recognize_altgr
= Qt
;
6743 DEFVAR_BOOL ("w32-enable-unicode-output",
6744 &w32_enable_unicode_output
,
6745 doc
: /* Enable the use of Unicode for text output if non-nil.
6746 Unicode output may prevent some third party applications for displaying
6747 Far-East Languages on Windows 95/98 from working properly.
6748 NT uses Unicode internally anyway, so this flag will probably have no
6749 affect on NT machines. */);
6750 w32_enable_unicode_output
= 1;
6752 DEFVAR_BOOL ("w32-use-visible-system-caret",
6753 &w32_use_visible_system_caret
,
6754 doc
: /* Flag to make the system caret visible.
6755 When this is non-nil, Emacs will indicate the position of point by
6756 using the system caret instead of drawing its own cursor. Some screen
6757 reader software does not track the system cursor properly when it is
6758 invisible, and gets confused by Emacs drawing its own cursor, so this
6759 variable is initialized to t when Emacs detects that screen reader
6760 software is running as it starts up.
6762 When this variable is set, other variables affecting the appearance of
6763 the cursor have no effect. */);
6765 w32_use_visible_system_caret
= 0;
6767 /* We don't yet support this, but defining this here avoids whining
6768 from cus-start.el and other places, like "M-x set-variable". */
6769 DEFVAR_BOOL ("x-use-underline-position-properties",
6770 &x_use_underline_position_properties
,
6771 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6772 nil means ignore them. If you encounter fonts with bogus
6773 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6774 to 4.1, set this to nil.
6776 NOTE: Not supported on MS-Windows yet. */);
6777 x_use_underline_position_properties
= 0;
6779 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6780 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6781 Vx_toolkit_scroll_bars
= Qt
;
6783 staticpro (&last_mouse_motion_frame
);
6784 last_mouse_motion_frame
= Qnil
;
6787 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6788 (do not change this comment) */