1 /* Implementation of GUI terminal on the Microsoft W32 API.
3 Copyright (C) 1989, 1993-2011 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 3 of the License, or
10 (at your option) any later version.
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. If not, see <http://www.gnu.org/licenses/>. */
25 #include "blockinput.h"
37 #include "character.h"
41 #include "dispextern.h"
43 #include "termhooks.h"
50 #include "intervals.h"
63 static int max_fringe_bmp
= 0;
64 static HBITMAP
*fringe_bmp
= 0;
66 /* Temporary variables for w32_read_socket. */
68 static int last_mousemove_x
= 0;
69 static int last_mousemove_y
= 0;
71 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
72 #ifndef GET_WHEEL_DELTA_WPARAM
73 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
76 /* Non-zero means that a HELP_EVENT has been generated since Emacs
79 static int any_help_event_p
;
81 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
82 static Lisp_Object last_window
;
84 extern unsigned int msh_mousewheel
;
86 extern void free_frame_menubar (struct frame
*);
88 extern int w32_codepage_for_font (char *fontname
);
89 extern Cursor
w32_load_cursor (LPCTSTR name
);
91 #define x_any_window_to_frame x_window_to_frame
92 #define x_top_window_to_frame x_window_to_frame
95 /* This is display since w32 does not support multiple ones. */
96 struct w32_display_info one_w32_display_info
;
97 struct w32_display_info
*x_display_list
;
99 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
100 one for each element of w32_display_list and in the same order.
101 NAME is the name of the frame.
102 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
103 Lisp_Object w32_display_name_list
;
107 /* Pre Windows 2000, this was not available, but define it here so
108 that Emacs compiled on such a platform will run on newer versions. */
110 typedef struct tagWCRANGE
116 typedef struct tagGLYPHSET
120 DWORD cGlyphsSupported
;
127 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
128 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
131 #define LWA_ALPHA 0x02
133 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
134 later targets by MSVC headers. */
135 #ifndef WS_EX_LAYERED
136 #define WS_EX_LAYERED 0x80000
139 /* This is a frame waiting to be autoraised, within w32_read_socket. */
140 struct frame
*pending_autoraise_frame
;
142 /* The handle of the frame that currently owns the system caret. */
143 HWND w32_system_caret_hwnd
;
144 int w32_system_caret_height
;
145 int w32_system_caret_x
;
146 int w32_system_caret_y
;
147 DWORD dwWindowsThreadId
= 0;
148 HANDLE hWindowsThread
= NULL
;
149 DWORD dwMainThreadId
= 0;
150 HANDLE hMainThread
= NULL
;
152 int vertical_scroll_bar_min_handle
;
153 int vertical_scroll_bar_top_border
;
154 int vertical_scroll_bar_bottom_border
;
156 int last_scroll_bar_drag_pos
;
158 /* Mouse movement. */
160 /* Where the mouse was last time we reported a mouse event. */
161 static RECT last_mouse_glyph
;
162 static FRAME_PTR last_mouse_glyph_frame
;
164 /* The scroll bar in which the last motion event occurred.
166 If the last motion event occurred in a scroll bar, we set this
167 so w32_mouse_position can know whether to report a scroll bar motion or
170 If the last motion event didn't occur in a scroll bar, we set this
171 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
172 static Lisp_Object last_mouse_scroll_bar
;
173 static int last_mouse_scroll_bar_pos
;
175 /* This is a hack. We would really prefer that w32_mouse_position would
176 return the time associated with the position it returns, but there
177 doesn't seem to be any way to wrest the time-stamp from the server
178 along with the position query. So, we just keep track of the time
179 of the last movement we received, and return that in hopes that
180 it's somewhat accurate. */
181 static Time last_mouse_movement_time
;
183 /* Incremented by w32_read_socket whenever it really tries to read
186 static int volatile input_signal_count
;
188 static int input_signal_count
;
191 /* Keyboard code page - may be changed by language-change events. */
192 static int keyboard_codepage
;
194 static void x_update_window_end (struct window
*, int, int);
195 static void w32_handle_tool_bar_click (struct frame
*,
196 struct input_event
*);
197 static void w32_define_cursor (Window
, Cursor
);
199 void x_lower_frame (struct frame
*);
200 void x_scroll_bar_clear (struct frame
*);
201 void x_wm_set_size_hint (struct frame
*, long, int);
202 void x_raise_frame (struct frame
*);
203 void x_set_window_size (struct frame
*, int, int, int);
204 void x_wm_set_window_state (struct frame
*, int);
205 void x_wm_set_icon_pixmap (struct frame
*, int);
206 static void w32_initialize (void);
207 static void x_update_end (struct frame
*);
208 static void w32_frame_up_to_date (struct frame
*);
209 static void w32_set_terminal_modes (struct terminal
*);
210 static void w32_reset_terminal_modes (struct terminal
*);
211 static void x_clear_frame (struct frame
*);
212 static void frame_highlight (struct frame
*);
213 static void frame_unhighlight (struct frame
*);
214 static void x_new_focus_frame (struct w32_display_info
*,
216 static void x_focus_changed (int, int, struct w32_display_info
*,
217 struct frame
*, struct input_event
*);
218 static void w32_detect_focus_change (struct w32_display_info
*,
219 W32Msg
*, struct input_event
*);
220 static void w32_frame_rehighlight (struct frame
*);
221 static void x_frame_rehighlight (struct w32_display_info
*);
222 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
223 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
224 enum text_cursor_kinds
);
225 static void w32_clip_to_row (struct window
*, struct glyph_row
*, int, HDC
);
226 static BOOL
my_show_window (struct frame
*, HWND
, int);
227 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
229 static void my_set_focus (struct frame
*, HWND
);
231 static void my_set_foreground_window (HWND
);
232 static void my_destroy_window (struct frame
*, HWND
);
234 static Lisp_Object Qvendor_specific_keysyms
;
237 /***********************************************************************
239 ***********************************************************************/
243 /* This is a function useful for recording debugging information about
244 the sequence of occurrences in this file. */
252 struct record event_record
[100];
254 int event_record_index
;
256 record_event (char *locus
, int type
)
258 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
259 event_record_index
= 0;
261 event_record
[event_record_index
].locus
= locus
;
262 event_record
[event_record_index
].type
= type
;
263 event_record_index
++;
270 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
273 if (mask
& GCForeground
)
274 gc
->foreground
= xgcv
->foreground
;
275 if (mask
& GCBackground
)
276 gc
->background
= xgcv
->background
;
278 gc
->font
= xgcv
->font
;
282 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
284 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
285 memset (gc
, 0, sizeof (XGCValues
));
287 XChangeGC (ignore
, gc
, mask
, xgcv
);
293 XGetGCValues (void *ignore
, XGCValues
*gc
,
294 unsigned long mask
, XGCValues
*xgcv
)
296 XChangeGC (ignore
, xgcv
, mask
, gc
);
300 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
304 HRGN clip_region
= CreateRectRgnIndirect (rect
);
305 SelectClipRgn (hdc
, clip_region
);
306 DeleteObject (clip_region
);
309 SelectClipRgn (hdc
, NULL
);
313 /* Draw a hollow rectangle at the specified position. */
315 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
316 int width
, int height
)
321 hb
= CreateSolidBrush (gc
->background
);
322 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
323 oldhb
= SelectObject (hdc
, hb
);
324 oldhp
= SelectObject (hdc
, hp
);
326 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
328 SelectObject (hdc
, oldhb
);
329 SelectObject (hdc
, oldhp
);
334 /* Draw a filled rectangle at the specified position. */
336 w32_fill_rect (FRAME_PTR f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
340 hb
= CreateSolidBrush (pix
);
341 FillRect (hdc
, lprect
, hb
);
346 w32_clear_window (FRAME_PTR f
)
349 HDC hdc
= get_frame_dc (f
);
351 /* Under certain conditions, this can be called at startup with
352 a console frame pointer before the GUI frame is created. An HDC
353 of 0 indicates this. */
356 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
357 w32_clear_rect (f
, hdc
, &rect
);
360 release_frame_dc (f
, hdc
);
363 #define OPAQUE_FRAME 255
366 x_set_frame_alpha (struct frame
*f
)
368 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
370 double alpha_min
= 1.0;
373 HWND window
= FRAME_W32_WINDOW (f
);
375 /* Older versions of Windows do not support transparency. */
376 if (!pfnSetLayeredWindowAttributes
)
379 if (dpyinfo
->x_highlight_frame
== f
)
384 if (FLOATP (Vframe_alpha_lower_limit
))
385 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
386 else if (INTEGERP (Vframe_alpha_lower_limit
))
387 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
391 else if (alpha
> 1.0)
393 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
396 opac
= alpha
* OPAQUE_FRAME
;
398 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
400 if (opac
== OPAQUE_FRAME
)
401 ex_style
&= ~WS_EX_LAYERED
;
403 ex_style
|= WS_EX_LAYERED
;
405 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
407 if (opac
!= OPAQUE_FRAME
)
408 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
412 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
414 HDC dc
= GetDC (NULL
);
415 int pixels
= GetDeviceCaps (dc
, VERTRES
);
416 ReleaseDC (NULL
, dc
);
421 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
423 HDC dc
= GetDC (NULL
);
424 int pixels
= GetDeviceCaps (dc
, HORZRES
);
425 ReleaseDC (NULL
, dc
);
430 /***********************************************************************
431 Starting and ending an update
432 ***********************************************************************/
434 /* Start an update of frame F. This function is installed as a hook
435 for update_begin, i.e. it is called when update_begin is called.
436 This function is called prior to calls to x_update_window_begin for
437 each window being updated. */
440 x_update_begin (struct frame
*f
)
442 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
444 if (! FRAME_W32_P (f
))
447 /* Regenerate display palette before drawing if list of requested
448 colors has changed. */
449 if (display_info
->regen_palette
)
451 w32_regenerate_palette (f
);
452 display_info
->regen_palette
= FALSE
;
457 /* Start update of window W. Set the global variable updated_window
458 to the window being updated and set output_cursor to the cursor
462 x_update_window_begin (struct window
*w
)
464 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
465 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
467 /* Hide the system caret during an update. */
468 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
470 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
474 set_output_cursor (&w
->cursor
);
478 if (f
== hlinfo
->mouse_face_mouse_frame
)
480 /* Don't do highlighting for mouse motion during the update. */
481 hlinfo
->mouse_face_defer
= 1;
483 /* If F needs to be redrawn, simply forget about any prior mouse
485 if (FRAME_GARBAGED_P (f
))
486 hlinfo
->mouse_face_window
= Qnil
;
488 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
489 their mouse_face_p flag set, which means that they are always
490 unequal to rows in a desired matrix which never have that
491 flag set. So, rows containing mouse-face glyphs are never
492 scrolled, and we don't have to switch the mouse highlight off
493 here to prevent it from being scrolled. */
495 /* Can we tell that this update does not affect the window
496 where the mouse highlight is? If so, no need to turn off.
497 Likewise, don't do anything if the frame is garbaged;
498 in that case, the frame's current matrix that we would use
499 is all wrong, and we will redisplay that line anyway. */
500 if (!NILP (hlinfo
->mouse_face_window
)
501 && w
== XWINDOW (hlinfo
->mouse_face_window
))
505 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
506 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
509 if (i
< w
->desired_matrix
->nrows
)
510 clear_mouse_face (hlinfo
);
518 /* Draw a vertical window border from (x,y0) to (x,y1) */
521 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
523 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
533 hdc
= get_frame_dc (f
);
534 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
536 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
538 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
540 release_frame_dc (f
, hdc
);
544 /* End update of window W (which is equal to updated_window).
546 Draw vertical borders between horizontally adjacent windows, and
547 display W's cursor if CURSOR_ON_P is non-zero.
549 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
550 glyphs in mouse-face were overwritten. In that case we have to
551 make sure that the mouse-highlight is properly redrawn.
553 W may be a menu bar pseudo-window in case we don't have X toolkit
554 support. Such windows don't have a cursor, so don't display it
558 x_update_window_end (struct window
*w
, int cursor_on_p
,
559 int mouse_face_overwritten_p
)
561 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (XFRAME (w
->frame
));
563 if (!w
->pseudo_window_p
)
568 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
570 output_cursor
.x
, output_cursor
.y
);
572 if (draw_window_fringes (w
, 1))
573 x_draw_vertical_border (w
);
578 /* If a row with mouse-face was overwritten, arrange for
579 XTframe_up_to_date to redisplay the mouse highlight. */
580 if (mouse_face_overwritten_p
)
582 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
583 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
584 hlinfo
->mouse_face_window
= Qnil
;
587 /* Unhide the caret. This won't actually show the cursor, unless it
588 was visible before the corresponding call to HideCaret in
589 x_update_window_begin. */
590 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
592 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
595 updated_window
= NULL
;
599 /* End update of frame F. This function is installed as a hook in
603 x_update_end (struct frame
*f
)
605 if (! FRAME_W32_P (f
))
608 /* Mouse highlight may be displayed again. */
609 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
613 /* This function is called from various places in xdisp.c whenever a
614 complete update has been performed. The global variable
615 updated_window is not available here. */
618 w32_frame_up_to_date (struct frame
*f
)
622 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
624 if (hlinfo
->mouse_face_deferred_gc
625 || f
== hlinfo
->mouse_face_mouse_frame
)
628 if (hlinfo
->mouse_face_mouse_frame
)
629 note_mouse_highlight (hlinfo
->mouse_face_mouse_frame
,
630 hlinfo
->mouse_face_mouse_x
,
631 hlinfo
->mouse_face_mouse_y
);
632 hlinfo
->mouse_face_deferred_gc
= 0;
639 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
640 arrow bitmaps, or clear the fringes if no bitmaps are required
641 before DESIRED_ROW is made current. The window being updated is
642 found in updated_window. This function is called from
643 update_window_line only if it is known that there are differences
644 between bitmaps to be drawn between current row and DESIRED_ROW. */
647 x_after_update_window_line (struct glyph_row
*desired_row
)
649 struct window
*w
= updated_window
;
655 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
656 desired_row
->redraw_fringe_bitmaps_p
= 1;
658 /* When a window has disappeared, make sure that no rest of
659 full-width rows stays visible in the internal border. Could
660 check here if updated_window is the leftmost/rightmost window,
661 but I guess it's not worth doing since vertically split windows
662 are almost never used, internal border is rarely set, and the
663 overhead is very small. */
664 if (windows_or_buffers_changed
665 && desired_row
->full_width_p
666 && (f
= XFRAME (w
->frame
),
667 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
669 && (height
= desired_row
->visible_height
,
672 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
676 HDC hdc
= get_frame_dc (f
);
677 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
678 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
680 release_frame_dc (f
, hdc
);
687 /* Draw the bitmap WHICH in one of the left or right fringes of
688 window W. ROW is the glyph row for which to display the bitmap; it
689 determines the vertical position at which the bitmap has to be
693 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
694 struct draw_fringe_bitmap_params
*p
)
696 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
698 struct face
*face
= p
->face
;
700 hdc
= get_frame_dc (f
);
704 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
706 /* If the fringe is adjacent to the left (right) scroll bar of a
707 leftmost (rightmost, respectively) window, then extend its
708 background to the gap between the fringe and the bar. */
709 if ((WINDOW_LEFTMOST_P (w
)
710 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
711 || (WINDOW_RIGHTMOST_P (w
)
712 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
714 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
718 int left
= WINDOW_SCROLL_BAR_AREA_X (w
);
719 int width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
720 * FRAME_COLUMN_WIDTH (f
));
724 /* Bitmap fills the fringe. */
725 if (left
+ width
== p
->x
)
726 bx
= left
+ sb_width
;
727 else if (p
->x
+ p
->wd
== left
)
731 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
733 nx
= width
- sb_width
;
734 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
736 ny
= row
->visible_height
;
741 if (left
+ width
== bx
)
743 bx
= left
+ sb_width
;
744 nx
+= width
- sb_width
;
746 else if (bx
+ nx
== left
)
747 nx
+= width
- sb_width
;
752 if (bx
>= 0 && nx
> 0)
753 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
756 /* Must clip because of partially visible lines. */
757 w32_clip_to_row (w
, row
, -1, hdc
);
759 if (p
->which
&& p
->which
< max_fringe_bmp
)
761 HBITMAP pixmap
= fringe_bmp
[p
->which
];
765 compat_hdc
= CreateCompatibleDC (hdc
);
769 horig_obj
= SelectObject (compat_hdc
, pixmap
);
771 /* Paint overlays transparently. */
774 HBRUSH h_brush
, h_orig_brush
;
776 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
777 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
778 h_brush
= CreateSolidBrush (face
->foreground
);
779 h_orig_brush
= SelectObject (hdc
, h_brush
);
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
,
787 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
788 compat_hdc
, 0, p
->dh
,
791 SelectObject (hdc
, h_orig_brush
);
792 DeleteObject (h_brush
);
796 SetTextColor (hdc
, face
->background
);
797 SetBkColor (hdc
, (p
->cursor_p
798 ? f
->output_data
.w32
->cursor_pixel
799 : face
->foreground
));
801 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
802 compat_hdc
, 0, p
->dh
,
806 SelectObject (compat_hdc
, horig_obj
);
807 DeleteDC (compat_hdc
);
811 w32_set_clip_rectangle (hdc
, NULL
);
813 release_frame_dc (f
, hdc
);
817 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
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 (int which
)
834 if (which
>= max_fringe_bmp
)
837 if (fringe_bmp
[which
])
838 DeleteObject (fringe_bmp
[which
]);
839 fringe_bmp
[which
] = 0;
844 /* This is called when starting Emacs and when restarting after
845 suspend. When starting Emacs, no window is mapped. And nothing
846 must be done to Emacs's own window if it is suspended (though that
850 w32_set_terminal_modes (struct terminal
*term
)
854 /* This is called when exiting or suspending Emacs. Exiting will make
855 the W32 windows go away, and suspending requires no action. */
858 w32_reset_terminal_modes (struct terminal
*term
)
864 /***********************************************************************
866 ***********************************************************************/
868 /* Function prototypes of this page. */
870 static void x_set_glyph_string_clipping (struct glyph_string
*);
871 static void x_set_glyph_string_gc (struct glyph_string
*);
872 static void x_draw_glyph_string_background (struct glyph_string
*,
874 static void x_draw_glyph_string_foreground (struct glyph_string
*);
875 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
876 static void x_draw_glyph_string_box (struct glyph_string
*);
877 static void x_draw_glyph_string (struct glyph_string
*);
878 static void x_set_cursor_gc (struct glyph_string
*);
879 static void x_set_mode_line_face_gc (struct glyph_string
*);
880 static void x_set_mouse_face_gc (struct glyph_string
*);
881 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
882 static void w32_setup_relief_color (struct frame
*, struct relief
*,
883 double, int, COLORREF
);
884 static void x_setup_relief_colors (struct glyph_string
*);
885 static void x_draw_image_glyph_string (struct glyph_string
*);
886 static void x_draw_image_relief (struct glyph_string
*);
887 static void x_draw_image_foreground (struct glyph_string
*);
888 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
889 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
891 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
892 int, int, int, int, int, int,
894 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
895 int, int, int, RECT
*);
898 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
902 x_set_cursor_gc (struct glyph_string
*s
)
904 if (s
->font
== FRAME_FONT (s
->f
)
905 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
906 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
908 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
911 /* Cursor on non-default face: must merge. */
915 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
916 xgcv
.foreground
= s
->face
->background
;
918 /* If the glyph would be invisible, try a different foreground. */
919 if (xgcv
.foreground
== xgcv
.background
)
920 xgcv
.foreground
= s
->face
->foreground
;
921 if (xgcv
.foreground
== xgcv
.background
)
922 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
923 if (xgcv
.foreground
== xgcv
.background
)
924 xgcv
.foreground
= s
->face
->foreground
;
926 /* Make sure the cursor is distinct from text in this face. */
927 if (xgcv
.background
== s
->face
->background
928 && xgcv
.foreground
== s
->face
->foreground
)
930 xgcv
.background
= s
->face
->foreground
;
931 xgcv
.foreground
= s
->face
->background
;
934 IF_DEBUG (x_check_font (s
->f
, s
->font
));
936 mask
= GCForeground
| GCBackground
| GCFont
;
938 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
939 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
942 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
943 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
945 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
950 /* Set up S->gc of glyph string S for drawing text in mouse face. */
953 x_set_mouse_face_gc (struct glyph_string
*s
)
958 /* What face has to be used last for the mouse face? */
959 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
960 face
= FACE_FROM_ID (s
->f
, face_id
);
962 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
964 if (s
->first_glyph
->type
== CHAR_GLYPH
)
965 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
967 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
968 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
969 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
971 /* If font in this face is same as S->font, use it. */
972 if (s
->font
== s
->face
->font
)
976 /* Otherwise construct scratch_cursor_gc with values from FACE
981 xgcv
.background
= s
->face
->background
;
982 xgcv
.foreground
= s
->face
->foreground
;
983 IF_DEBUG (x_check_font (s
->f
, s
->font
));
985 mask
= GCForeground
| GCBackground
| GCFont
;
987 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
988 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
991 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
992 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
994 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
997 xassert (s
->gc
!= 0);
1001 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1002 Faces to use in the mode line have already been computed when the
1003 matrix was built, so there isn't much to do, here. */
1006 x_set_mode_line_face_gc (struct glyph_string
*s
)
1008 s
->gc
= s
->face
->gc
;
1012 /* Set S->gc of glyph string S for drawing that glyph string. Set
1013 S->stippled_p to a non-zero value if the face of S has a stipple
1017 x_set_glyph_string_gc (struct glyph_string
*s
)
1019 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1021 if (s
->hl
== DRAW_NORMAL_TEXT
)
1023 s
->gc
= s
->face
->gc
;
1024 s
->stippled_p
= s
->face
->stipple
!= 0;
1026 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1028 x_set_mode_line_face_gc (s
);
1029 s
->stippled_p
= s
->face
->stipple
!= 0;
1031 else if (s
->hl
== DRAW_CURSOR
)
1033 x_set_cursor_gc (s
);
1036 else if (s
->hl
== DRAW_MOUSE_FACE
)
1038 x_set_mouse_face_gc (s
);
1039 s
->stippled_p
= s
->face
->stipple
!= 0;
1041 else if (s
->hl
== DRAW_IMAGE_RAISED
1042 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1044 s
->gc
= s
->face
->gc
;
1045 s
->stippled_p
= s
->face
->stipple
!= 0;
1049 s
->gc
= s
->face
->gc
;
1050 s
->stippled_p
= s
->face
->stipple
!= 0;
1053 /* GC must have been set. */
1054 xassert (s
->gc
!= 0);
1058 /* Set clipping for output of glyph string S. S may be part of a mode
1059 line or menu if we don't have X toolkit support. */
1062 x_set_glyph_string_clipping (struct glyph_string
*s
)
1065 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1068 w32_set_clip_rectangle (s
->hdc
, r
);
1071 HRGN full_clip
, clip1
, clip2
;
1072 clip1
= CreateRectRgnIndirect (r
);
1073 clip2
= CreateRectRgnIndirect (r
+ 1);
1074 if (CombineRgn (full_clip
, clip1
, clip2
, RGN_OR
) != ERROR
)
1076 SelectClipRgn (s
->hdc
, full_clip
);
1078 DeleteObject (clip1
);
1079 DeleteObject (clip2
);
1080 DeleteObject (full_clip
);
1085 /* Set SRC's clipping for output of glyph string DST. This is called
1086 when we are drawing DST's left_overhang or right_overhang only in
1090 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1091 struct glyph_string
*dst
)
1096 r
.right
= r
.left
+ src
->width
;
1098 r
.bottom
= r
.top
+ src
->height
;
1101 w32_set_clip_rectangle (dst
->hdc
, &r
);
1105 Compute left and right overhang of glyph string S. */
1108 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1111 && s
->first_glyph
->type
== CHAR_GLYPH
1112 && !s
->font_not_found_p
)
1114 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1115 struct font
*font
= s
->font
;
1116 struct font_metrics metrics
;
1119 for (i
= 0; i
< s
->nchars
; i
++)
1120 code
[i
] = s
->char2b
[i
];
1121 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1122 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1123 ? metrics
.rbearing
- metrics
.width
: 0);
1124 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1128 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1129 s
->left_overhang
= -s
->cmp
->lbearing
;
1133 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1136 x_clear_glyph_string_rect (struct glyph_string
*s
,
1137 int x
, int y
, int w
, int h
)
1144 /* Take clipping into account. */
1145 if (s
->gc
->clip_mask
== Rect
)
1147 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1148 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1149 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1150 - s
->gc
->clip_rectangle
.left
);
1151 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1152 - s
->gc
->clip_rectangle
.top
);
1155 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1160 /* Draw the background of glyph_string S. If S->background_filled_p
1161 is non-zero don't draw it. FORCE_P non-zero means draw the
1162 background even if it wouldn't be drawn normally. This is used
1163 when a string preceding S draws into the background of S, or S
1164 contains the first component of a composition. */
1167 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1169 /* Nothing to do if background has already been drawn or if it
1170 shouldn't be drawn in the first place. */
1171 if (!s
->background_filled_p
)
1173 int box_line_width
= max (s
->face
->box_line_width
, 0);
1175 #if 0 /* TODO: stipple */
1178 /* Fill background with a stipple pattern. */
1179 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1180 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1181 s
->y
+ box_line_width
,
1182 s
->background_width
,
1183 s
->height
- 2 * box_line_width
);
1184 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1185 s
->background_filled_p
= 1;
1189 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1190 || s
->font_not_found_p
1191 || s
->extends_to_end_of_line_p
1194 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1195 s
->background_width
,
1196 s
->height
- 2 * box_line_width
);
1197 s
->background_filled_p
= 1;
1203 /* Draw the foreground of glyph string S. */
1206 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1210 /* If first glyph of S has a left box line, start drawing the text
1211 of S to the right of that box line. */
1212 if (s
->face
->box
!= FACE_NO_BOX
1213 && s
->first_glyph
->left_box_line_p
)
1214 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1218 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1219 SetBkColor (s
->hdc
, s
->gc
->background
);
1220 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1222 /* Draw characters of S as rectangles if S's font could not be
1224 if (s
->font_not_found_p
)
1226 for (i
= 0; i
< s
->nchars
; ++i
)
1228 struct glyph
*g
= s
->first_glyph
+ i
;
1230 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1232 x
+= g
->pixel_width
;
1237 struct font
*font
= s
->font
;
1238 int boff
= font
->baseline_offset
;
1242 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1244 if (font
->vertical_centering
)
1245 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1247 y
= s
->ybase
- boff
;
1249 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1250 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1252 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1253 if (s
->face
->overstrike
)
1254 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1256 SelectObject (s
->hdc
, old_font
);
1260 /* Draw the foreground of composite glyph string S. */
1263 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1266 struct font
*font
= s
->font
;
1268 /* If first glyph of S has a left box line, start drawing the text
1269 of S to the right of that box line. */
1270 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1271 && s
->first_glyph
->left_box_line_p
)
1272 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1276 /* S is a glyph string for a composition. S->cmp_from is the index
1277 of the first character drawn for glyphs of this composition.
1278 S->cmp_from == 0 means we are drawing the very first character of
1279 this composition. */
1281 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1282 SetBkColor (s
->hdc
, s
->gc
->background
);
1283 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1285 /* Draw a rectangle for the composition if the font for the very
1286 first character of the composition could not be loaded. */
1287 if (s
->font_not_found_p
)
1289 if (s
->cmp_from
== 0)
1290 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1293 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1299 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1301 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1302 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1304 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1305 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1307 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1308 if (s
->face
->overstrike
)
1309 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1311 SelectObject (s
->hdc
, old_font
);
1315 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1321 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1323 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1325 glyph
= LGSTRING_GLYPH (gstring
, i
);
1326 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1327 width
+= LGLYPH_WIDTH (glyph
);
1330 int xoff
, yoff
, wadjust
;
1334 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1337 xoff
= LGLYPH_XOFF (glyph
);
1338 yoff
= LGLYPH_YOFF (glyph
);
1339 wadjust
= LGLYPH_WADJUST (glyph
);
1340 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1347 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1349 SelectObject (s
->hdc
, old_font
);
1354 /* Draw the foreground of glyph string S for glyphless characters. */
1357 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1359 struct glyph
*glyph
= s
->first_glyph
;
1362 int with_background
;
1364 /* If first glyph of S has a left box line, start drawing the text
1365 of S to the right of that box line. */
1366 if (s
->face
->box
!= FACE_NO_BOX
1367 && s
->first_glyph
->left_box_line_p
)
1368 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1372 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1373 SetBkColor (s
->hdc
, s
->gc
->background
);
1374 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1377 with_background
= ! (s
->for_overlaps
1378 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1379 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1381 char buf
[7], *str
= NULL
;
1382 int len
= glyph
->u
.glyphless
.len
;
1384 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1387 && CHAR_TABLE_P (Vglyphless_char_display
)
1388 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1392 = (! glyph
->u
.glyphless
.for_no_font
1393 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1394 glyph
->u
.glyphless
.ch
)
1395 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1396 if (STRINGP (acronym
))
1397 str
= SSDATA (acronym
);
1400 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1402 sprintf ((char *) buf
, "%0*X",
1403 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1404 glyph
->u
.glyphless
.ch
);
1408 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1409 w32_draw_rectangle (s
->hdc
, s
->gc
,
1410 x
, s
->ybase
- glyph
->ascent
,
1411 glyph
->pixel_width
- 1,
1412 glyph
->ascent
+ glyph
->descent
- 1);
1415 struct font
*font
= s
->font
;
1416 int upper_len
= (len
+ 1) / 2;
1420 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1421 /* It is certain that all LEN characters in STR are ASCII. */
1422 for (j
= 0; j
< len
; j
++)
1424 code
= font
->driver
->encode_char (font
, str
[j
]);
1425 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1427 font
->driver
->draw (s
, 0, upper_len
,
1428 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1429 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1431 font
->driver
->draw (s
, upper_len
, len
,
1432 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1433 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1435 SelectObject (s
->hdc
, old_font
);
1437 x
+= glyph
->pixel_width
;
1442 /* Brightness beyond which a color won't have its highlight brightness
1445 Nominally, highlight colors for `3d' faces are calculated by
1446 brightening an object's color by a constant scale factor, but this
1447 doesn't yield good results for dark colors, so for colors who's
1448 brightness is less than this value (on a scale of 0-255) have to
1449 use an additional additive factor.
1451 The value here is set so that the default menu-bar/mode-line color
1452 (grey75) will not have its highlights changed at all. */
1453 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1456 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1457 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1458 If this produces the same color as COLOR, try a color where all RGB
1459 values have DELTA added. Return the allocated color in *COLOR.
1460 DISPLAY is the X display, CMAP is the colormap to operate on.
1461 Value is non-zero if successful. */
1464 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1465 double factor
, int delta
)
1470 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1473 /* Change RGB values by specified FACTOR. Avoid overflow! */
1474 xassert (factor
>= 0);
1475 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1476 min (0xff, factor
* GetGValue (*color
)),
1477 min (0xff, factor
* GetBValue (*color
)));
1479 /* Calculate brightness of COLOR. */
1480 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1481 + GetBValue (*color
)) / 6;
1483 /* We only boost colors that are darker than
1484 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1485 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1486 /* Make an additive adjustment to NEW, because it's dark enough so
1487 that scaling by FACTOR alone isn't enough. */
1489 /* How far below the limit this color is (0 - 1, 1 being darker). */
1490 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1491 /* The additive adjustment. */
1492 int min_delta
= delta
* dimness
* factor
/ 2;
1495 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1496 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1497 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1499 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1500 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1501 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1505 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1506 max (0, min (0xff, delta
+ GetGValue (*color
))),
1507 max (0, min (0xff, delta
+ GetBValue (*color
))));
1509 /* TODO: Map to palette and retry with delta if same? */
1510 /* TODO: Free colors (if using palette)? */
1520 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1521 colors in COLORS. On W32, we no longer try to map colors to
1524 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1528 for (i
= 0; i
< ncolors
; i
++)
1530 DWORD pixel
= colors
[i
].pixel
;
1531 /* Convert to a 16 bit value in range 0 - 0xffff. */
1532 colors
[i
].red
= GetRValue (pixel
) * 257;
1533 colors
[i
].green
= GetGValue (pixel
) * 257;
1534 colors
[i
].blue
= GetBValue (pixel
) * 257;
1539 x_query_color (struct frame
*f
, XColor
*color
)
1541 x_query_colors (f
, color
, 1);
1545 /* Set up the foreground color for drawing relief lines of glyph
1546 string S. RELIEF is a pointer to a struct relief containing the GC
1547 with which lines will be drawn. Use a color that is FACTOR or
1548 DELTA lighter or darker than the relief's background which is found
1549 in S->f->output_data.x->relief_background. If such a color cannot
1550 be allocated, use DEFAULT_PIXEL, instead. */
1553 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1554 int delta
, COLORREF default_pixel
)
1557 struct w32_output
*di
= f
->output_data
.w32
;
1558 unsigned long mask
= GCForeground
;
1560 COLORREF background
= di
->relief_background
;
1561 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1563 /* TODO: Free colors (if using palette)? */
1565 /* Allocate new color. */
1566 xgcv
.foreground
= default_pixel
;
1568 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1570 relief
->allocated_p
= 1;
1571 xgcv
.foreground
= relief
->pixel
= pixel
;
1574 if (relief
->gc
== 0)
1576 #if 0 /* TODO: stipple */
1577 xgcv
.stipple
= dpyinfo
->gray
;
1580 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1583 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1587 /* Set up colors for the relief lines around glyph string S. */
1590 x_setup_relief_colors (struct glyph_string
*s
)
1592 struct w32_output
*di
= s
->f
->output_data
.w32
;
1595 if (s
->face
->use_box_color_for_shadows_p
)
1596 color
= s
->face
->box_color
;
1597 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1599 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1600 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1602 color
= s
->gc
->background
;
1604 if (di
->white_relief
.gc
== 0
1605 || color
!= di
->relief_background
)
1607 di
->relief_background
= color
;
1608 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1609 WHITE_PIX_DEFAULT (s
->f
));
1610 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1611 BLACK_PIX_DEFAULT (s
->f
));
1616 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1617 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1618 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1619 relief. LEFT_P non-zero means draw a relief on the left side of
1620 the rectangle. RIGHT_P non-zero means draw a relief on the right
1621 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1625 w32_draw_relief_rect (struct frame
*f
,
1626 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1627 int raised_p
, int top_p
, int bot_p
, int left_p
, int right_p
,
1632 HDC hdc
= get_frame_dc (f
);
1635 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1637 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1639 w32_set_clip_rectangle (hdc
, clip_rect
);
1643 for (i
= 0; i
< width
; ++i
)
1644 w32_fill_area (f
, hdc
, gc
.foreground
,
1645 left_x
+ i
* left_p
, top_y
+ i
,
1646 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1650 for (i
= 0; i
< width
; ++i
)
1651 w32_fill_area (f
, hdc
, gc
.foreground
,
1652 left_x
+ i
, top_y
+ i
, 1,
1653 bottom_y
- top_y
- 2 * i
+ 1);
1656 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1658 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1662 for (i
= 0; i
< width
; ++i
)
1663 w32_fill_area (f
, hdc
, gc
.foreground
,
1664 left_x
+ i
* left_p
, bottom_y
- i
,
1665 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1669 for (i
= 0; i
< width
; ++i
)
1670 w32_fill_area (f
, hdc
, gc
.foreground
,
1671 right_x
- i
, top_y
+ i
+ 1, 1,
1672 bottom_y
- top_y
- 2 * i
- 1);
1674 w32_set_clip_rectangle (hdc
, NULL
);
1676 release_frame_dc (f
, hdc
);
1680 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1681 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1682 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1683 left side of the rectangle. RIGHT_P non-zero means draw a line
1684 on the right side of the rectangle. CLIP_RECT is the clipping
1685 rectangle to use when drawing. */
1688 w32_draw_box_rect (struct glyph_string
*s
,
1689 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1690 int left_p
, int right_p
, RECT
*clip_rect
)
1692 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1695 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1696 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1701 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1702 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1706 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1707 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1712 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1713 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1716 w32_set_clip_rectangle (s
->hdc
, NULL
);
1720 /* Draw a box around glyph string S. */
1723 x_draw_glyph_string_box (struct glyph_string
*s
)
1725 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1726 int left_p
, right_p
;
1727 struct glyph
*last_glyph
;
1730 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1731 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1732 : window_box_right (s
->w
, s
->area
));
1734 /* The glyph that may have a right box line. */
1735 last_glyph
= (s
->cmp
|| s
->img
1737 : s
->first_glyph
+ s
->nchars
- 1);
1739 width
= eabs (s
->face
->box_line_width
);
1740 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1742 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1744 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1746 bottom_y
= top_y
+ s
->height
- 1;
1748 left_p
= (s
->first_glyph
->left_box_line_p
1749 || (s
->hl
== DRAW_MOUSE_FACE
1751 || s
->prev
->hl
!= s
->hl
)));
1752 right_p
= (last_glyph
->right_box_line_p
1753 || (s
->hl
== DRAW_MOUSE_FACE
1755 || s
->next
->hl
!= s
->hl
)));
1757 get_glyph_string_clip_rect (s
, &clip_rect
);
1759 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1760 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1761 left_p
, right_p
, &clip_rect
);
1764 x_setup_relief_colors (s
);
1765 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1766 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1771 /* Draw foreground of image glyph string S. */
1774 x_draw_image_foreground (struct glyph_string
*s
)
1777 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1779 /* If first glyph of S has a left box line, start drawing it to the
1780 right of that line. */
1781 if (s
->face
->box
!= FACE_NO_BOX
1782 && s
->first_glyph
->left_box_line_p
1784 x
+= eabs (s
->face
->box_line_width
);
1786 /* If there is a margin around the image, adjust x- and y-position
1788 if (s
->slice
.x
== 0)
1789 x
+= s
->img
->hmargin
;
1790 if (s
->slice
.y
== 0)
1791 y
+= s
->img
->vmargin
;
1797 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1798 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1799 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1800 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1801 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1802 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1803 x_set_glyph_string_clipping (s
);
1807 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1808 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1810 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1811 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1813 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1814 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1815 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1816 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1817 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1818 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1820 SelectObject (mask_dc
, mask_orig_obj
);
1825 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1826 SetBkColor (s
->hdc
, s
->gc
->background
);
1828 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1829 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1831 /* When the image has a mask, we can expect that at
1832 least part of a mouse highlight or a block cursor will
1833 be visible. If the image doesn't have a mask, make
1834 a block cursor visible by drawing a rectangle around
1835 the image. I believe it's looking better if we do
1836 nothing here for mouse-face. */
1837 if (s
->hl
== DRAW_CURSOR
)
1839 int r
= s
->img
->relief
;
1841 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1842 s
->slice
.width
+ r
*2 - 1,
1843 s
->slice
.height
+ r
*2 - 1);
1847 w32_set_clip_rectangle (s
->hdc
, NULL
);
1848 SelectObject (s
->hdc
, orig_brush
);
1849 DeleteObject (fg_brush
);
1850 SelectObject (compat_hdc
, orig_obj
);
1851 DeleteDC (compat_hdc
);
1854 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1855 s
->slice
.width
- 1, s
->slice
.height
- 1);
1857 RestoreDC (s
->hdc
,-1);
1861 /* Draw a relief around the image glyph string S. */
1864 x_draw_image_relief (struct glyph_string
*s
)
1866 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1869 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1871 /* If first glyph of S has a left box line, start drawing it to the
1872 right of that line. */
1873 if (s
->face
->box
!= FACE_NO_BOX
1874 && s
->first_glyph
->left_box_line_p
1876 x
+= eabs (s
->face
->box_line_width
);
1878 /* If there is a margin around the image, adjust x- and y-position
1880 if (s
->slice
.x
== 0)
1881 x
+= s
->img
->hmargin
;
1882 if (s
->slice
.y
== 0)
1883 y
+= s
->img
->vmargin
;
1885 if (s
->hl
== DRAW_IMAGE_SUNKEN
1886 || s
->hl
== DRAW_IMAGE_RAISED
)
1888 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1889 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1893 thick
= eabs (s
->img
->relief
);
1894 raised_p
= s
->img
->relief
> 0;
1899 x1
= x
+ s
->slice
.width
+ thick
- 1;
1900 y1
= y
+ s
->slice
.height
+ thick
- 1;
1902 x_setup_relief_colors (s
);
1903 get_glyph_string_clip_rect (s
, &r
);
1904 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
1906 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
1908 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
1913 /* Draw the foreground of image glyph string S to PIXMAP. */
1916 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
1918 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1919 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1921 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1923 /* If first glyph of S has a left box line, start drawing it to the
1924 right of that line. */
1925 if (s
->face
->box
!= FACE_NO_BOX
1926 && s
->first_glyph
->left_box_line_p
1928 x
+= eabs (s
->face
->box_line_width
);
1930 /* If there is a margin around the image, adjust x- and y-position
1932 if (s
->slice
.x
== 0)
1933 x
+= s
->img
->hmargin
;
1934 if (s
->slice
.y
== 0)
1935 y
+= s
->img
->vmargin
;
1939 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1940 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1941 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1942 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1946 HDC mask_dc
= CreateCompatibleDC (hdc
);
1947 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1949 SetTextColor (hdc
, RGB (0, 0, 0));
1950 SetBkColor (hdc
, RGB (255, 255, 255));
1951 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1952 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1953 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1954 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1955 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1956 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1958 SelectObject (mask_dc
, mask_orig_obj
);
1963 SetTextColor (hdc
, s
->gc
->foreground
);
1964 SetBkColor (hdc
, s
->gc
->background
);
1966 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1967 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1969 /* When the image has a mask, we can expect that at
1970 least part of a mouse highlight or a block cursor will
1971 be visible. If the image doesn't have a mask, make
1972 a block cursor visible by drawing a rectangle around
1973 the image. I believe it's looking better if we do
1974 nothing here for mouse-face. */
1975 if (s
->hl
== DRAW_CURSOR
)
1977 int r
= s
->img
->relief
;
1979 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
1980 s
->slice
.width
+ r
*2 - 1,
1981 s
->slice
.height
+ r
*2 - 1);
1985 SelectObject (hdc
, orig_brush
);
1986 DeleteObject (fg_brush
);
1987 SelectObject (compat_hdc
, orig_obj
);
1988 DeleteDC (compat_hdc
);
1991 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
1992 s
->slice
.width
- 1, s
->slice
.height
- 1);
1994 SelectObject (hdc
, orig_hdc_obj
);
1999 /* Draw part of the background of glyph string S. X, Y, W, and H
2000 give the rectangle to draw. */
2003 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2005 #if 0 /* TODO: stipple */
2008 /* Fill background with a stipple pattern. */
2009 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2010 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2011 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2015 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2019 /* Draw image glyph string S.
2022 s->x +-------------------------
2025 | +-------------------------
2028 | | +-------------------
2034 x_draw_image_glyph_string (struct glyph_string
*s
)
2037 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2038 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2042 height
= s
->height
- 2 * box_line_vwidth
;
2044 /* Fill background with face under the image. Do it only if row is
2045 taller than image or if image has a clip mask to reduce
2047 s
->stippled_p
= s
->face
->stipple
!= 0;
2048 if (height
> s
->slice
.height
2052 || s
->img
->pixmap
== 0
2053 || s
->width
!= s
->background_width
)
2056 if (s
->first_glyph
->left_box_line_p
2058 x
+= box_line_hwidth
;
2061 if (s
->slice
.y
== 0)
2062 y
+= box_line_vwidth
;
2064 #if 0 /* TODO: figure out if we need to do this on Windows. */
2067 /* Create a pixmap as large as the glyph string. Fill it
2068 with the background color. Copy the image to it, using
2069 its mask. Copy the temporary pixmap to the display. */
2070 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2071 int depth
= DefaultDepthOfScreen (screen
);
2073 /* Create a pixmap as large as the glyph string. */
2074 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2075 s
->background_width
,
2078 /* Don't clip in the following because we're working on the
2080 XSetClipMask (s
->display
, s
->gc
, None
);
2082 /* Fill the pixmap with the background color/stipple. */
2085 /* Fill background with a stipple pattern. */
2086 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2087 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2088 0, 0, s
->background_width
, s
->height
);
2089 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2094 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2096 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2097 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2098 0, 0, s
->background_width
, s
->height
);
2099 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2104 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2106 s
->background_filled_p
= 1;
2109 /* Draw the foreground. */
2112 w32_draw_image_foreground_1 (s
, pixmap
);
2113 x_set_glyph_string_clipping (s
);
2115 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2116 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2117 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2118 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2120 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2121 SetBkColor (s
->hdc
, s
->gc
->background
);
2122 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2123 compat_hdc
, 0, 0, SRCCOPY
);
2125 SelectObject (s
->hdc
, orig_brush
);
2126 DeleteObject (fg_brush
);
2127 SelectObject (compat_hdc
, orig_obj
);
2128 DeleteDC (compat_hdc
);
2130 DeleteObject (pixmap
);
2134 x_draw_image_foreground (s
);
2136 /* If we must draw a relief around the image, do it. */
2138 || s
->hl
== DRAW_IMAGE_RAISED
2139 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2140 x_draw_image_relief (s
);
2144 /* Draw stretch glyph string S. */
2147 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2149 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2151 if (s
->hl
== DRAW_CURSOR
2152 && !x_stretch_cursor_p
)
2154 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2155 wide as the stretch glyph. */
2156 int width
, background_width
= s
->background_width
;
2159 if (!s
->row
->reversed_p
)
2161 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2165 background_width
-= left_x
- x
;
2171 /* In R2L rows, draw the cursor on the right edge of the
2173 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2175 if (x
+ background_width
> right_x
)
2176 background_width
-= x
- right_x
;
2177 x
+= background_width
;
2179 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2180 if (s
->row
->reversed_p
)
2184 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2186 /* Clear rest using the GC of the original non-cursor face. */
2187 if (width
< background_width
)
2189 XGCValues
*gc
= s
->face
->gc
;
2191 int w
= background_width
- width
, h
= s
->height
;
2195 if (!s
->row
->reversed_p
)
2199 if (s
->row
->mouse_face_p
2200 && cursor_in_mouse_face_p (s
->w
))
2202 x_set_mouse_face_gc (s
);
2208 get_glyph_string_clip_rect (s
, &r
);
2209 w32_set_clip_rectangle (hdc
, &r
);
2211 #if 0 /* TODO: stipple */
2212 if (s
->face
->stipple
)
2214 /* Fill background with a stipple pattern. */
2215 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2216 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2217 XSetFillStyle (s
->display
, gc
, FillSolid
);
2222 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2226 else if (!s
->background_filled_p
)
2228 int background_width
= s
->background_width
;
2229 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2231 /* Don't draw into left margin, fringe or scrollbar area
2232 except for header line and mode line. */
2233 if (x
< left_x
&& !s
->row
->mode_line_p
)
2235 background_width
-= left_x
- x
;
2238 if (background_width
> 0)
2239 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2242 s
->background_filled_p
= 1;
2246 /* Draw glyph string S. */
2249 x_draw_glyph_string (struct glyph_string
*s
)
2251 int relief_drawn_p
= 0;
2253 /* If S draws into the background of its successor, draw the
2254 background of the successor first so that S can draw into it.
2255 This makes S->next use XDrawString instead of XDrawImageString. */
2256 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2259 struct glyph_string
*next
;
2260 for (width
= 0, next
= s
->next
;
2261 next
&& width
< s
->right_overhang
;
2262 width
+= next
->width
, next
= next
->next
)
2263 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2265 x_set_glyph_string_gc (next
);
2266 x_set_glyph_string_clipping (next
);
2267 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2268 x_draw_stretch_glyph_string (next
);
2270 x_draw_glyph_string_background (next
, 1);
2271 next
->num_clips
= 0;
2275 /* Set up S->gc, set clipping and draw S. */
2276 x_set_glyph_string_gc (s
);
2278 /* Draw relief (if any) in advance for char/composition so that the
2279 glyph string can be drawn over it. */
2280 if (!s
->for_overlaps
2281 && s
->face
->box
!= FACE_NO_BOX
2282 && (s
->first_glyph
->type
== CHAR_GLYPH
2283 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2286 x_set_glyph_string_clipping (s
);
2287 x_draw_glyph_string_background (s
, 1);
2288 x_draw_glyph_string_box (s
);
2289 x_set_glyph_string_clipping (s
);
2292 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2294 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2295 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2296 /* We must clip just this glyph. left_overhang part has already
2297 drawn when s->prev was drawn, and right_overhang part will be
2298 drawn later when s->next is drawn. */
2299 x_set_glyph_string_clipping_exactly (s
, s
);
2301 x_set_glyph_string_clipping (s
);
2303 switch (s
->first_glyph
->type
)
2306 x_draw_image_glyph_string (s
);
2310 x_draw_stretch_glyph_string (s
);
2314 if (s
->for_overlaps
)
2315 s
->background_filled_p
= 1;
2317 x_draw_glyph_string_background (s
, 0);
2318 x_draw_glyph_string_foreground (s
);
2321 case COMPOSITE_GLYPH
:
2322 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2323 && ! s
->first_glyph
->u
.cmp
.automatic
))
2324 s
->background_filled_p
= 1;
2326 x_draw_glyph_string_background (s
, 1);
2327 x_draw_composite_glyph_string_foreground (s
);
2330 case GLYPHLESS_GLYPH
:
2331 if (s
->for_overlaps
)
2332 s
->background_filled_p
= 1;
2334 x_draw_glyph_string_background (s
, 0);
2335 x_draw_glyphless_glyph_string_foreground (s
);
2342 if (!s
->for_overlaps
)
2344 /* Draw underline. */
2345 if (s
->face
->underline_p
)
2347 unsigned long thickness
, position
;
2350 if (s
->prev
&& s
->prev
->face
->underline_p
)
2352 /* We use the same underline style as the previous one. */
2353 thickness
= s
->prev
->underline_thickness
;
2354 position
= s
->prev
->underline_position
;
2358 /* Get the underline thickness. Default is 1 pixel. */
2359 if (s
->font
&& s
->font
->underline_thickness
> 0)
2360 thickness
= s
->font
->underline_thickness
;
2363 if (x_underline_at_descent_line
)
2364 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2367 /* Get the underline position. This is the recommended
2368 vertical offset in pixels from the baseline to the top of
2369 the underline. This is a signed value according to the
2370 specs, and its default is
2372 ROUND ((maximum_descent) / 2), with
2373 ROUND (x) = floor (x + 0.5) */
2375 if (x_use_underline_position_properties
2376 && s
->font
&& s
->font
->underline_position
>= 0)
2377 position
= s
->font
->underline_position
;
2379 position
= (s
->font
->descent
+ 1) / 2;
2381 position
= max (position
, underline_minimum_offset
);
2383 /* Check the sanity of thickness and position. We should
2384 avoid drawing underline out of the current line area. */
2385 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2386 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2387 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2388 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2389 s
->underline_thickness
= thickness
;
2390 s
->underline_position
=position
;
2391 y
= s
->ybase
+ position
;
2392 if (s
->face
->underline_defaulted_p
)
2394 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2399 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2403 /* Draw overline. */
2404 if (s
->face
->overline_p
)
2406 unsigned long dy
= 0, h
= 1;
2408 if (s
->face
->overline_color_defaulted_p
)
2410 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2411 s
->y
+ dy
, s
->width
, h
);
2415 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2416 s
->y
+ dy
, s
->width
, h
);
2420 /* Draw strike-through. */
2421 if (s
->face
->strike_through_p
2422 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2424 unsigned long h
= 1;
2425 unsigned long dy
= (s
->height
- h
) / 2;
2427 if (s
->face
->strike_through_color_defaulted_p
)
2429 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2434 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2435 s
->y
+ dy
, s
->width
, h
);
2439 /* Draw relief if not yet drawn. */
2440 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2441 x_draw_glyph_string_box (s
);
2445 struct glyph_string
*prev
;
2447 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2448 if (prev
->hl
!= s
->hl
2449 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2451 /* As prev was drawn while clipped to its own area, we
2452 must draw the right_overhang part using s->hl now. */
2453 enum draw_glyphs_face save
= prev
->hl
;
2456 x_set_glyph_string_gc (prev
);
2457 x_set_glyph_string_clipping_exactly (s
, prev
);
2458 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2459 x_draw_glyph_string_foreground (prev
);
2461 x_draw_composite_glyph_string_foreground (prev
);
2462 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2464 prev
->num_clips
= 0;
2470 struct glyph_string
*next
;
2472 for (next
= s
->next
; next
; next
= next
->next
)
2473 if (next
->hl
!= s
->hl
2474 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2476 /* As next will be drawn while clipped to its own area,
2477 we must draw the left_overhang part using s->hl now. */
2478 enum draw_glyphs_face save
= next
->hl
;
2481 x_set_glyph_string_gc (next
);
2482 x_set_glyph_string_clipping_exactly (s
, next
);
2483 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2484 x_draw_glyph_string_foreground (next
);
2486 x_draw_composite_glyph_string_foreground (next
);
2487 w32_set_clip_rectangle (next
->hdc
, NULL
);
2489 next
->num_clips
= 0;
2494 /* Reset clipping. */
2495 w32_set_clip_rectangle (s
->hdc
, NULL
);
2500 /* Shift display to make room for inserted glyphs. */
2503 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2504 int width
, int height
, int shift_by
)
2508 hdc
= get_frame_dc (f
);
2509 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2510 hdc
, x
, y
, SRCCOPY
);
2512 release_frame_dc (f
, hdc
);
2516 /* Delete N glyphs at the nominal cursor position. Not implemented
2520 x_delete_glyphs (struct frame
*f
, register int n
)
2522 if (! FRAME_W32_P (f
))
2529 /* Clear entire frame. */
2532 x_clear_frame (struct frame
*f
)
2534 if (! FRAME_W32_P (f
))
2537 /* Clearing the frame will erase any cursor, so mark them all as no
2539 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2540 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2541 output_cursor
.x
= -1;
2543 /* We don't set the output cursor here because there will always
2544 follow an explicit cursor_to. */
2547 w32_clear_window (f
);
2549 /* We have to clear the scroll bars, too. If we have changed
2550 colors or something like that, then they should be notified. */
2551 x_scroll_bar_clear (f
);
2557 /* Make audible bell. */
2560 w32_ring_bell (struct frame
*f
)
2564 if (FRAME_W32_P (f
) && visible_bell
)
2567 HWND hwnd
= FRAME_W32_WINDOW (f
);
2569 for (i
= 0; i
< 5; i
++)
2571 FlashWindow (hwnd
, TRUE
);
2574 FlashWindow (hwnd
, FALSE
);
2577 w32_sys_ring_bell (f
);
2583 /* Specify how many text lines, from the top of the window,
2584 should be affected by insert-lines and delete-lines operations.
2585 This, and those operations, are used only within an update
2586 that is bounded by calls to x_update_begin and x_update_end. */
2589 w32_set_terminal_window (struct frame
*f
, int n
)
2591 /* This function intentionally left blank. */
2595 /***********************************************************************
2597 ***********************************************************************/
2599 /* Perform an insert-lines or delete-lines operation, inserting N
2600 lines or deleting -N lines at vertical position VPOS. */
2603 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2605 if (! FRAME_W32_P (f
))
2612 /* Scroll part of the display as described by RUN. */
2615 x_scroll_run (struct window
*w
, struct run
*run
)
2617 struct frame
*f
= XFRAME (w
->frame
);
2618 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2619 HWND hwnd
= FRAME_W32_WINDOW (f
);
2622 /* Get frame-relative bounding box of the text display area of W,
2623 without mode lines. Include in this box the left and right
2625 window_box (w
, -1, &x
, &y
, &width
, &height
);
2627 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2628 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2629 bottom_y
= y
+ height
;
2633 /* Scrolling up. Make sure we don't copy part of the mode
2634 line at the bottom. */
2635 if (from_y
+ run
->height
> bottom_y
)
2636 height
= bottom_y
- from_y
;
2638 height
= run
->height
;
2639 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2643 /* Scolling down. Make sure we don't copy over the mode line.
2645 if (to_y
+ run
->height
> bottom_y
)
2646 height
= bottom_y
- to_y
;
2648 height
= run
->height
;
2649 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2654 /* Cursor off. Will be switched on again in x_update_window_end. */
2661 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2662 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2664 from
.left
= to
.left
= x
;
2665 from
.right
= to
.right
= x
+ width
;
2667 from
.bottom
= from_y
+ height
;
2669 to
.bottom
= bottom_y
;
2671 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2672 NULL
, SW_INVALIDATE
);
2674 /* Combine this with what we expect to be dirty. This covers the
2675 case where not all of the region we expect is actually dirty. */
2676 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2678 /* If the dirty region is not what we expected, redraw the entire frame. */
2679 if (!EqualRgn (combined
, expect_dirty
))
2680 SET_FRAME_GARBAGED (f
);
2682 DeleteObject (dirty
);
2683 DeleteObject (combined
);
2687 DeleteObject (expect_dirty
);
2692 /***********************************************************************
2694 ***********************************************************************/
2697 frame_highlight (struct frame
*f
)
2699 x_update_cursor (f
, 1);
2700 x_set_frame_alpha (f
);
2704 frame_unhighlight (struct frame
*f
)
2706 x_update_cursor (f
, 1);
2707 x_set_frame_alpha (f
);
2710 /* The focus has changed. Update the frames as necessary to reflect
2711 the new situation. Note that we can't change the selected frame
2712 here, because the Lisp code we are interrupting might become confused.
2713 Each event gets marked with the frame in which it occurred, so the
2714 Lisp code can tell when the switch took place by examining the events. */
2717 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2719 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2721 if (frame
!= dpyinfo
->w32_focus_frame
)
2723 /* Set this before calling other routines, so that they see
2724 the correct value of w32_focus_frame. */
2725 dpyinfo
->w32_focus_frame
= frame
;
2727 if (old_focus
&& old_focus
->auto_lower
)
2728 x_lower_frame (old_focus
);
2730 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2731 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2733 pending_autoraise_frame
= 0;
2736 x_frame_rehighlight (dpyinfo
);
2740 /* Handle FocusIn and FocusOut state changes for FRAME.
2741 If FRAME has focus and there exists more than one frame, puts
2742 a FOCUS_IN_EVENT into *BUFP. */
2745 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2746 struct frame
*frame
, struct input_event
*bufp
)
2748 if (type
== WM_SETFOCUS
)
2750 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2752 x_new_focus_frame (dpyinfo
, frame
);
2753 dpyinfo
->w32_focus_event_frame
= frame
;
2755 /* Don't stop displaying the initial startup message
2756 for a switch-frame event we don't need. */
2757 if (NILP (Vterminal_frame
)
2758 && CONSP (Vframe_list
)
2759 && !NILP (XCDR (Vframe_list
)))
2761 bufp
->kind
= FOCUS_IN_EVENT
;
2762 XSETFRAME (bufp
->frame_or_window
, frame
);
2766 frame
->output_data
.x
->focus_state
|= state
;
2768 /* TODO: IME focus? */
2770 else if (type
== WM_KILLFOCUS
)
2772 frame
->output_data
.x
->focus_state
&= ~state
;
2774 if (dpyinfo
->w32_focus_event_frame
== frame
)
2776 dpyinfo
->w32_focus_event_frame
= 0;
2777 x_new_focus_frame (dpyinfo
, 0);
2780 /* TODO: IME focus? */
2785 /* The focus may have changed. Figure out if it is a real focus change,
2786 by checking both FocusIn/Out and Enter/LeaveNotify events.
2788 Returns FOCUS_IN_EVENT event in *BUFP. */
2791 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2792 struct input_event
*bufp
)
2794 struct frame
*frame
;
2796 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2800 /* On w32, this is only called from focus events, so no switch needed. */
2801 x_focus_changed (event
->msg
.message
,
2802 (event
->msg
.message
== WM_KILLFOCUS
?
2803 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2804 dpyinfo
, frame
, bufp
);
2808 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2811 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2813 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2816 /* The focus has changed, or we have redirected a frame's focus to
2817 another frame (this happens when a frame uses a surrogate
2818 mini-buffer frame). Shift the highlight as appropriate.
2820 The FRAME argument doesn't necessarily have anything to do with which
2821 frame is being highlighted or un-highlighted; we only use it to find
2822 the appropriate X display info. */
2825 w32_frame_rehighlight (struct frame
*frame
)
2827 if (! FRAME_W32_P (frame
))
2829 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2833 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2835 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2837 if (dpyinfo
->w32_focus_frame
)
2839 dpyinfo
->x_highlight_frame
2840 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2841 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2842 : dpyinfo
->w32_focus_frame
);
2843 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2845 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2846 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2850 dpyinfo
->x_highlight_frame
= 0;
2852 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2855 frame_unhighlight (old_highlight
);
2856 if (dpyinfo
->x_highlight_frame
)
2857 frame_highlight (dpyinfo
->x_highlight_frame
);
2861 /* Keyboard processing - modifier keys, etc. */
2863 /* Convert a keysym to its name. */
2866 x_get_keysym_name (int keysym
)
2868 /* Make static so we can always return it */
2869 static char value
[100];
2872 GetKeyNameText (keysym
, value
, 100);
2879 codepage_for_locale (LCID locale
)
2883 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
2890 /* Mouse clicks and mouse movement. Rah. */
2892 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2893 the state in PUP. XBUTTON provides extra information for extended mouse
2894 button messages. Returns FALSE if unable to parse the message. */
2896 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
2903 case WM_LBUTTONDOWN
:
2911 case WM_MBUTTONDOWN
:
2912 if (NILP (Vw32_swap_mouse_buttons
))
2919 if (NILP (Vw32_swap_mouse_buttons
))
2925 case WM_RBUTTONDOWN
:
2926 if (NILP (Vw32_swap_mouse_buttons
))
2933 if (NILP (Vw32_swap_mouse_buttons
))
2939 case WM_XBUTTONDOWN
:
2940 button
= xbutton
+ 2;
2944 button
= xbutton
+ 2;
2952 if (pbutton
) *pbutton
= button
;
2958 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2960 If the event is a button press, then note that we have grabbed
2964 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
2969 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2972 /* Make the event type NO_EVENT; we'll change that when we decide
2974 result
->kind
= MOUSE_CLICK_EVENT
;
2975 result
->code
= button
;
2976 result
->timestamp
= msg
->msg
.time
;
2977 result
->modifiers
= (msg
->dwModifiers
2982 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2983 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2984 XSETFRAME (result
->frame_or_window
, f
);
2990 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
2995 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
2998 result
->timestamp
= msg
->msg
.time
;
3000 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3001 forward, away from the user (up); a negative value indicates that
3002 the wheel was rotated backward, toward the user (down). */
3003 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3005 /* The up and down modifiers indicate if the wheel was rotated up or
3006 down based on WHEEL_DELTA value. */
3007 result
->modifiers
= (msg
->dwModifiers
3008 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3010 /* With multiple monitors, we can legitimately get negative
3011 coordinates, so cast to short to interpret them correctly. */
3012 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3013 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3014 ScreenToClient (msg
->msg
.hwnd
, &p
);
3015 XSETINT (result
->x
, p
.x
);
3016 XSETINT (result
->y
, p
.y
);
3017 XSETFRAME (result
->frame_or_window
, f
);
3023 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3033 result
->kind
= DRAG_N_DROP_EVENT
;
3035 result
->timestamp
= msg
->msg
.time
;
3036 result
->modifiers
= msg
->dwModifiers
;
3038 hdrop
= (HDROP
) msg
->msg
.wParam
;
3039 DragQueryPoint (hdrop
, &p
);
3042 p
.x
= LOWORD (msg
->msg
.lParam
);
3043 p
.y
= HIWORD (msg
->msg
.lParam
);
3044 ScreenToClient (msg
->msg
.hwnd
, &p
);
3047 XSETINT (result
->x
, p
.x
);
3048 XSETINT (result
->y
, p
.y
);
3050 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3053 for (i
= 0; i
< num_files
; i
++)
3055 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3058 name
= alloca (len
+ 1);
3059 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3060 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3065 XSETFRAME (frame
, f
);
3066 result
->frame_or_window
= frame
;
3067 result
->arg
= files
;
3072 /* Function to report a mouse movement to the mainstream Emacs code.
3073 The input handler calls this.
3075 We have received a mouse movement event, which is given in *event.
3076 If the mouse is over a different glyph than it was last time, tell
3077 the mainstream emacs code by setting mouse_moved. If not, ask for
3078 another motion event, so we can check again the next time it moves. */
3080 static MSG last_mouse_motion_event
;
3081 static Lisp_Object last_mouse_motion_frame
;
3084 note_mouse_movement (FRAME_PTR frame
, MSG
*msg
)
3086 int mouse_x
= LOWORD (msg
->lParam
);
3087 int mouse_y
= HIWORD (msg
->lParam
);
3089 last_mouse_movement_time
= msg
->time
;
3090 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3091 XSETFRAME (last_mouse_motion_frame
, frame
);
3093 if (!FRAME_X_OUTPUT (frame
))
3096 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3098 frame
->mouse_moved
= 1;
3099 last_mouse_scroll_bar
= Qnil
;
3100 note_mouse_highlight (frame
, -1, -1);
3101 last_mouse_glyph_frame
= 0;
3105 /* Has the mouse moved off the glyph it was on at the last sighting? */
3106 if (frame
!= last_mouse_glyph_frame
3107 || mouse_x
< last_mouse_glyph
.left
3108 || mouse_x
>= last_mouse_glyph
.right
3109 || mouse_y
< last_mouse_glyph
.top
3110 || mouse_y
>= last_mouse_glyph
.bottom
)
3112 frame
->mouse_moved
= 1;
3113 last_mouse_scroll_bar
= Qnil
;
3114 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3115 /* Remember the mouse position here, as w32_mouse_position only
3116 gets called when mouse tracking is enabled but we also need
3117 to keep track of the mouse for help_echo and highlighting at
3119 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3120 last_mouse_glyph_frame
= frame
;
3128 /************************************************************************
3130 ************************************************************************/
3132 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3133 static void x_scroll_bar_report_motion (FRAME_PTR
*, Lisp_Object
*,
3134 enum scroll_bar_part
*,
3135 Lisp_Object
*, Lisp_Object
*,
3137 static void x_check_fullscreen (struct frame
*);
3140 redo_mouse_highlight (void)
3142 if (!NILP (last_mouse_motion_frame
)
3143 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3144 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3145 LOWORD (last_mouse_motion_event
.lParam
),
3146 HIWORD (last_mouse_motion_event
.lParam
));
3150 w32_define_cursor (Window window
, Cursor cursor
)
3152 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3154 /* Return the current position of the mouse.
3155 *fp should be a frame which indicates which display to ask about.
3157 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3158 and *part to the frame, window, and scroll bar part that the mouse
3159 is over. Set *x and *y to the portion and whole of the mouse's
3160 position on the scroll bar.
3162 If the mouse movement started elsewhere, set *fp to the frame the
3163 mouse is on, *bar_window to nil, and *x and *y to the character cell
3166 Set *time to the server time-stamp for the time at which the mouse
3167 was at this position.
3169 Don't store anything if we don't have a valid set of values to report.
3171 This clears the mouse_moved flag, so we can wait for the next mouse
3175 w32_mouse_position (FRAME_PTR
*fp
, int insist
, Lisp_Object
*bar_window
,
3176 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3177 unsigned long *time
)
3183 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3184 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3189 Lisp_Object frame
, tail
;
3191 /* Clear the mouse-moved flag for every frame on this display. */
3192 FOR_EACH_FRAME (tail
, frame
)
3193 XFRAME (frame
)->mouse_moved
= 0;
3195 last_mouse_scroll_bar
= Qnil
;
3199 /* Now we have a position on the root; find the innermost window
3200 containing the pointer. */
3202 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3203 && FRAME_LIVE_P (last_mouse_frame
))
3205 /* If mouse was grabbed on a frame, give coords for that frame
3206 even if the mouse is now outside it. */
3207 f1
= last_mouse_frame
;
3211 /* Is window under mouse one of our frames? */
3212 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3213 WindowFromPoint (pt
));
3216 /* If not, is it one of our scroll bars? */
3219 struct scroll_bar
*bar
3220 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3224 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3228 if (f1
== 0 && insist
> 0)
3229 f1
= SELECTED_FRAME ();
3233 /* Ok, we found a frame. Store all the values.
3234 last_mouse_glyph is a rectangle used to reduce the
3235 generation of mouse events. To not miss any motion
3236 events, we must divide the frame into rectangles of the
3237 size of the smallest character that could be displayed
3238 on it, i.e. into the same rectangles that matrices on
3239 the frame are divided into. */
3241 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3242 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3243 last_mouse_glyph_frame
= f1
;
3250 *time
= last_mouse_movement_time
;
3259 /***********************************************************************
3261 ***********************************************************************/
3263 /* Handle mouse button event on the tool-bar of frame F, at
3264 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3268 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3270 int x
= XFASTINT (button_event
->x
);
3271 int y
= XFASTINT (button_event
->y
);
3273 if (button_event
->modifiers
& down_modifier
)
3274 handle_tool_bar_click (f
, x
, y
, 1, 0);
3276 handle_tool_bar_click (f
, x
, y
, 0,
3277 button_event
->modifiers
& ~up_modifier
);
3282 /***********************************************************************
3284 ***********************************************************************/
3286 /* Scroll bar support. */
3288 /* Given a window ID, find the struct scroll_bar which manages it.
3289 This can be called in GC, so we have to make sure to strip off mark
3292 static struct scroll_bar
*
3293 x_window_to_scroll_bar (Window window_id
)
3297 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3299 Lisp_Object frame
, bar
, condemned
;
3301 frame
= XCAR (tail
);
3302 /* All elements of Vframe_list should be frames. */
3303 if (! FRAMEP (frame
))
3306 /* Scan this frame's scroll bar list for a scroll bar with the
3308 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3309 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3310 /* This trick allows us to search both the ordinary and
3311 condemned scroll bar lists with one loop. */
3312 ! NILP (bar
) || (bar
= condemned
,
3315 bar
= XSCROLL_BAR (bar
)->next
)
3316 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3317 return XSCROLL_BAR (bar
);
3325 /* Set the thumb size and position of scroll bar BAR. We are currently
3326 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3329 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3330 int portion
, int position
, int whole
)
3332 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3333 /* We use the whole scroll-bar height in the calculations below, to
3334 avoid strange effects like scrolling backwards when just clicking
3335 on the handle (without moving it). */
3336 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3337 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3338 int sb_page
, sb_pos
;
3339 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3342 /* We used to change the nPage setting while dragging the handle,
3343 but that had very strange effects (such as scrolling backwards
3344 while dragging downwards).
3346 Now, we don't change the nPage setting while dragging unless we
3347 get near to the end of the buffer, in which case we often have to
3348 resize the handle to "go all the way". */
3354 si
.cbSize
= sizeof (si
);
3355 si
.fMask
= SIF_POS
| SIF_PAGE
;
3356 GetScrollInfo (w
, SB_CTL
, &si
);
3357 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3365 /* Position scroll bar at rock bottom if the bottom of the
3366 buffer is visible. This avoids shinking the thumb away
3367 to nothing if it is held at the bottom of the buffer. */
3368 if (position
+ portion
>= whole
&& !draggingp
)
3370 sb_page
= range
* (whole
- position
) / whole
;
3375 sb_pos
= position
* range
/ whole
;
3376 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3385 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3389 si
.cbSize
= sizeof (si
);
3390 si
.fMask
= SIF_PAGE
| SIF_POS
;
3394 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3400 /************************************************************************
3401 Scroll bars, general
3402 ************************************************************************/
3405 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3407 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3408 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3412 /*#define ATTACH_THREADS*/
3415 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3417 #ifndef ATTACH_THREADS
3418 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3419 (WPARAM
) hwnd
, (LPARAM
) how
);
3421 return ShowWindow (hwnd
, how
);
3426 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3427 int x
, int y
, int cx
, int cy
, UINT flags
)
3429 #ifndef ATTACH_THREADS
3431 pos
.hwndInsertAfter
= hwndAfter
;
3437 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3439 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3445 my_set_focus (struct frame
* f
, HWND hwnd
)
3447 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3453 my_set_foreground_window (HWND hwnd
)
3455 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3460 my_destroy_window (struct frame
* f
, HWND hwnd
)
3462 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3466 /* Create a scroll bar and return the scroll bar vector for it. W is
3467 the Emacs window on which to create the scroll bar. TOP, LEFT,
3468 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3471 static struct scroll_bar
*
3472 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3474 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3477 struct scroll_bar
*bar
3478 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3482 XSETWINDOW (bar
->window
, w
);
3483 XSETINT (bar
->top
, top
);
3484 XSETINT (bar
->left
, left
);
3485 XSETINT (bar
->width
, width
);
3486 XSETINT (bar
->height
, height
);
3487 XSETINT (bar
->start
, 0);
3488 XSETINT (bar
->end
, 0);
3489 bar
->dragging
= Qnil
;
3490 bar
->fringe_extended_p
= Qnil
;
3492 /* Requires geometry to be set before call to create the real window */
3494 hwnd
= my_create_scrollbar (f
, bar
);
3496 si
.cbSize
= sizeof (si
);
3499 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3500 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3504 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3506 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3508 /* Add bar to its frame's list of scroll bars. */
3509 bar
->next
= FRAME_SCROLL_BARS (f
);
3511 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3512 if (! NILP (bar
->next
))
3513 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3521 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3525 x_scroll_bar_remove (struct scroll_bar
*bar
)
3527 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3531 /* Destroy the window. */
3532 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3534 /* Disassociate this scroll bar from its window. */
3535 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3540 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3541 that we are displaying PORTION characters out of a total of WHOLE
3542 characters, starting at POSITION. If WINDOW has no scroll bar,
3545 w32_set_vertical_scroll_bar (struct window
*w
,
3546 int portion
, int whole
, int position
)
3548 struct frame
*f
= XFRAME (w
->frame
);
3549 struct scroll_bar
*bar
;
3550 int top
, height
, left
, sb_left
, width
, sb_width
;
3551 int window_y
, window_height
;
3552 int fringe_extended_p
;
3554 /* Get window dimensions. */
3555 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3557 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3558 height
= window_height
;
3560 /* Compute the left edge of the scroll bar area. */
3561 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3563 /* Compute the width of the scroll bar which might be less than
3564 the width of the area reserved for the scroll bar. */
3565 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3566 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3570 /* Compute the left edge of the scroll bar. */
3571 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3572 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3574 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3576 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3577 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3578 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3579 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3580 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3582 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3583 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3584 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3585 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3587 /* Does the scroll bar exist yet? */
3588 if (NILP (w
->vertical_scroll_bar
))
3592 if (width
> 0 && height
> 0)
3594 hdc
= get_frame_dc (f
);
3595 if (fringe_extended_p
)
3596 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3598 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3599 release_frame_dc (f
, hdc
);
3603 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3607 /* It may just need to be moved and resized. */
3610 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3611 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3613 /* If already correctly positioned, do nothing. */
3614 if ( XINT (bar
->left
) == sb_left
3615 && XINT (bar
->top
) == top
3616 && XINT (bar
->width
) == sb_width
3617 && XINT (bar
->height
) == height
3618 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3620 /* Redraw after clear_frame. */
3621 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3622 InvalidateRect (hwnd
, NULL
, FALSE
);
3630 if (width
&& height
)
3632 hdc
= get_frame_dc (f
);
3633 /* Since Windows scroll bars are smaller than the space reserved
3634 for them on the frame, we have to clear "under" them. */
3635 if (fringe_extended_p
)
3636 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3638 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3639 release_frame_dc (f
, hdc
);
3641 /* Make sure scroll bar is "visible" before moving, to ensure the
3642 area of the parent window now exposed will be refreshed. */
3643 my_show_window (f
, hwnd
, SW_HIDE
);
3644 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3645 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3646 max (height
, 1), TRUE
);
3648 si
.cbSize
= sizeof (si
);
3649 si
.fMask
= SIF_RANGE
;
3651 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3652 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3654 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3656 my_show_window (f
, hwnd
, SW_NORMAL
);
3657 /* InvalidateRect (w, NULL, FALSE); */
3659 /* Remember new settings. */
3660 XSETINT (bar
->left
, sb_left
);
3661 XSETINT (bar
->top
, top
);
3662 XSETINT (bar
->width
, sb_width
);
3663 XSETINT (bar
->height
, height
);
3668 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3670 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3672 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3676 /* The following three hooks are used when we're doing a thorough
3677 redisplay of the frame. We don't explicitly know which scroll bars
3678 are going to be deleted, because keeping track of when windows go
3679 away is a real pain - "Can you say set-window-configuration, boys
3680 and girls?" Instead, we just assert at the beginning of redisplay
3681 that *all* scroll bars are to be removed, and then save a scroll bar
3682 from the fiery pit when we actually redisplay its window. */
3684 /* Arrange for all scroll bars on FRAME to be removed at the next call
3685 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3686 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3689 w32_condemn_scroll_bars (FRAME_PTR frame
)
3691 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3692 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3695 bar
= FRAME_SCROLL_BARS (frame
);
3696 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3697 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3698 XSCROLL_BAR (bar
)->prev
= Qnil
;
3699 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3700 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3701 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3706 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3707 Note that WINDOW isn't necessarily condemned at all. */
3710 w32_redeem_scroll_bar (struct window
*window
)
3712 struct scroll_bar
*bar
;
3715 /* We can't redeem this window's scroll bar if it doesn't have one. */
3716 if (NILP (window
->vertical_scroll_bar
))
3719 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3721 /* Unlink it from the condemned list. */
3722 f
= XFRAME (WINDOW_FRAME (window
));
3723 if (NILP (bar
->prev
))
3725 /* If the prev pointer is nil, it must be the first in one of
3727 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3728 /* It's not condemned. Everything's fine. */
3730 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3731 window
->vertical_scroll_bar
))
3732 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3734 /* If its prev pointer is nil, it must be at the front of
3735 one or the other! */
3739 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3741 if (! NILP (bar
->next
))
3742 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3744 bar
->next
= FRAME_SCROLL_BARS (f
);
3746 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3747 if (! NILP (bar
->next
))
3748 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3751 /* Remove all scroll bars on FRAME that haven't been saved since the
3752 last call to `*condemn_scroll_bars_hook'. */
3755 w32_judge_scroll_bars (FRAME_PTR f
)
3757 Lisp_Object bar
, next
;
3759 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3761 /* Clear out the condemned list now so we won't try to process any
3762 more events on the hapless scroll bars. */
3763 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3765 for (; ! NILP (bar
); bar
= next
)
3767 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3769 x_scroll_bar_remove (b
);
3772 b
->next
= b
->prev
= Qnil
;
3775 /* Now there should be no references to the condemned scroll bars,
3776 and they should get garbage-collected. */
3779 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3780 is set to something other than NO_EVENT, it is enqueued.
3782 This may be called from a signal handler, so we have to ignore GC
3786 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
3787 struct input_event
*emacs_event
)
3789 if (! WINDOWP (bar
->window
))
3792 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3793 emacs_event
->code
= 0;
3794 /* not really meaningful to distinguish up/down */
3795 emacs_event
->modifiers
= msg
->dwModifiers
;
3796 emacs_event
->frame_or_window
= bar
->window
;
3797 emacs_event
->arg
= Qnil
;
3798 emacs_event
->timestamp
= msg
->msg
.time
;
3801 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3803 int dragging
= !NILP (bar
->dragging
);
3806 si
.cbSize
= sizeof (si
);
3809 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3812 bar
->dragging
= Qnil
;
3815 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3817 switch (LOWORD (msg
->msg
.wParam
))
3820 emacs_event
->part
= scroll_bar_down_arrow
;
3823 emacs_event
->part
= scroll_bar_up_arrow
;
3826 emacs_event
->part
= scroll_bar_above_handle
;
3829 emacs_event
->part
= scroll_bar_below_handle
;
3832 emacs_event
->part
= scroll_bar_handle
;
3836 emacs_event
->part
= scroll_bar_handle
;
3840 case SB_THUMBPOSITION
:
3841 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3842 y
= HIWORD (msg
->msg
.wParam
);
3844 emacs_event
->part
= scroll_bar_handle
;
3846 /* "Silently" update current position. */
3850 si
.cbSize
= sizeof (si
);
3853 /* Remember apparent position (we actually lag behind the real
3854 position, so don't set that directly. */
3855 last_scroll_bar_drag_pos
= y
;
3857 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3861 /* If this is the end of a drag sequence, then reset the scroll
3862 handle size to normal and do a final redraw. Otherwise do
3867 int start
= XINT (bar
->start
);
3868 int end
= XINT (bar
->end
);
3870 si
.cbSize
= sizeof (si
);
3871 si
.fMask
= SIF_PAGE
| SIF_POS
;
3872 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3873 si
.nPos
= last_scroll_bar_drag_pos
;
3874 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3878 emacs_event
->kind
= NO_EVENT
;
3882 XSETINT (emacs_event
->x
, y
);
3883 XSETINT (emacs_event
->y
, top_range
);
3889 /* Return information to the user about the current position of the mouse
3890 on the scroll bar. */
3893 x_scroll_bar_report_motion (FRAME_PTR
*fp
, Lisp_Object
*bar_window
,
3894 enum scroll_bar_part
*part
,
3895 Lisp_Object
*x
, Lisp_Object
*y
,
3896 unsigned long *time
)
3898 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3899 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3900 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3902 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3908 *bar_window
= bar
->window
;
3910 si
.cbSize
= sizeof (si
);
3911 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3913 GetScrollInfo (w
, SB_CTL
, &si
);
3915 top_range
= si
.nMax
- si
.nPage
+ 1;
3917 switch (LOWORD (last_mouse_scroll_bar_pos
))
3919 case SB_THUMBPOSITION
:
3921 *part
= scroll_bar_handle
;
3922 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3923 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3926 *part
= scroll_bar_handle
;
3930 *part
= scroll_bar_handle
;
3935 XSETINT (*y
, top_range
);
3938 last_mouse_scroll_bar
= Qnil
;
3940 *time
= last_mouse_movement_time
;
3946 /* The screen has been cleared so we may have changed foreground or
3947 background colors, and the scroll bars may need to be redrawn.
3948 Clear out the scroll bars, and ask for expose events, so we can
3952 x_scroll_bar_clear (FRAME_PTR f
)
3956 /* We can have scroll bars even if this is 0,
3957 if we just turned off scroll bar mode.
3958 But in that case we should not clear them. */
3959 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
3960 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3961 bar
= XSCROLL_BAR (bar
)->next
)
3963 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
3964 HDC hdc
= GetDC (window
);
3967 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
3968 arranges to refresh the scroll bar if hidden. */
3969 my_show_window (f
, window
, SW_HIDE
);
3971 GetClientRect (window
, &rect
);
3972 select_palette (f
, hdc
);
3973 w32_clear_rect (f
, hdc
, &rect
);
3974 deselect_palette (f
, hdc
);
3976 ReleaseDC (window
, hdc
);
3981 /* The main W32 event-reading loop - w32_read_socket. */
3983 /* Record the last 100 characters stored
3984 to help debug the loss-of-chars-during-GC problem. */
3986 static int temp_index
;
3987 static short temp_buffer
[100];
3989 /* Temporarily store lead byte of DBCS input sequences. */
3990 static char dbcs_lead
= 0;
3992 /* Read events coming from the W32 shell.
3993 This routine is called by the SIGIO handler.
3994 We return as soon as there are no more events to be read.
3996 We return the number of characters stored into the buffer,
3997 thus pretending to be `read'.
3999 EXPECTED is nonzero if the caller knows input is available.
4001 Some of these messages are reposted back to the message queue since the
4002 system calls the windows proc directly in a context where we cannot return
4003 the data nor can we guarantee the state we are in. So if we dispatch them
4004 we will get into an infinite loop. To prevent this from ever happening we
4005 will set a variable to indicate we are in the read_socket call and indicate
4006 which message we are processing since the windows proc gets called
4007 recursively with different messages by the system.
4011 w32_read_socket (struct terminal
*terminal
, int expected
,
4012 struct input_event
*hold_quit
)
4015 int check_visibility
= 0;
4018 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4019 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4021 if (interrupt_input_blocked
)
4023 interrupt_input_pending
= 1;
4027 interrupt_input_pending
= 0;
4030 /* So people can tell when we have read the available input. */
4031 input_signal_count
++;
4033 /* TODO: ghostscript integration. */
4034 while (get_next_msg (&msg
, FALSE
))
4036 struct input_event inev
;
4040 inev
.kind
= NO_EVENT
;
4043 switch (msg
.msg
.message
)
4045 case WM_EMACS_PAINT
:
4046 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4050 if (msg
.rect
.right
== msg
.rect
.left
||
4051 msg
.rect
.bottom
== msg
.rect
.top
)
4053 /* We may get paint messages even though the client
4054 area is clipped - these are not expose events. */
4055 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4058 else if (f
->async_visible
!= 1)
4060 /* Definitely not obscured, so mark as visible. */
4061 f
->async_visible
= 1;
4062 f
->async_iconified
= 0;
4063 SET_FRAME_GARBAGED (f
);
4064 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4067 /* WM_PAINT serves as MapNotify as well, so report
4068 visibility changes properly. */
4071 inev
.kind
= DEICONIFY_EVENT
;
4072 XSETFRAME (inev
.frame_or_window
, f
);
4074 else if (! NILP (Vframe_list
)
4075 && ! NILP (XCDR (Vframe_list
)))
4076 /* Force a redisplay sooner or later to update the
4077 frame titles in case this is the second frame. */
4078 record_asynch_buffer_change ();
4082 HDC hdc
= get_frame_dc (f
);
4084 /* Erase background again for safety. */
4085 w32_clear_rect (f
, hdc
, &msg
.rect
);
4086 release_frame_dc (f
, hdc
);
4090 msg
.rect
.right
- msg
.rect
.left
,
4091 msg
.rect
.bottom
- msg
.rect
.top
);
4096 case WM_INPUTLANGCHANGE
:
4097 /* Generate a language change event. */
4098 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4100 /* lParam contains the input lang ID. Use it to update our
4101 record of the keyboard codepage. */
4102 keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4107 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4108 XSETFRAME (inev
.frame_or_window
, f
);
4109 inev
.code
= msg
.msg
.wParam
;
4110 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4116 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4118 if (f
&& !f
->iconified
)
4120 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4121 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4123 clear_mouse_face (hlinfo
);
4124 hlinfo
->mouse_face_hidden
= 1;
4127 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4129 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4130 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4131 inev
.code
= msg
.msg
.wParam
;
4132 inev
.modifiers
= msg
.dwModifiers
;
4133 XSETFRAME (inev
.frame_or_window
, f
);
4134 inev
.timestamp
= msg
.msg
.time
;
4141 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4143 if (f
&& !f
->iconified
)
4145 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4146 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4148 clear_mouse_face (hlinfo
);
4149 hlinfo
->mouse_face_hidden
= 1;
4152 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4154 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4156 inev
.modifiers
= msg
.dwModifiers
;
4157 XSETFRAME (inev
.frame_or_window
, f
);
4158 inev
.timestamp
= msg
.msg
.time
;
4160 if (msg
.msg
.message
== WM_UNICHAR
)
4162 inev
.code
= msg
.msg
.wParam
;
4164 else if (msg
.msg
.wParam
< 256)
4169 dbcs
[1] = (char) msg
.msg
.wParam
;
4173 dbcs
[0] = dbcs_lead
;
4175 if (!MultiByteToWideChar (keyboard_codepage
, 0,
4179 DebPrint (("Invalid DBCS sequence: %d %d\n",
4181 inev
.kind
= NO_EVENT
;
4185 else if (IsDBCSLeadByteEx (keyboard_codepage
,
4186 (BYTE
) msg
.msg
.wParam
))
4188 dbcs_lead
= (char) msg
.msg
.wParam
;
4189 inev
.kind
= NO_EVENT
;
4194 if (!MultiByteToWideChar (keyboard_codepage
, 0,
4195 &dbcs
[1], 1, &code
, 1))
4197 /* What to do with garbage? */
4198 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4199 inev
.kind
= NO_EVENT
;
4207 /* Windows shouldn't generate WM_CHAR events above 0xFF
4208 in non-Unicode message handlers. */
4209 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4210 inev
.kind
= NO_EVENT
;
4213 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4214 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4219 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4221 if (f
&& !f
->iconified
)
4223 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4224 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4226 clear_mouse_face (hlinfo
);
4227 hlinfo
->mouse_face_hidden
= 1;
4230 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4232 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4233 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4234 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4235 inev
.modifiers
= msg
.dwModifiers
;
4236 XSETFRAME (inev
.frame_or_window
, f
);
4237 inev
.timestamp
= msg
.msg
.time
;
4242 /* Ignore non-movement. */
4244 int x
= LOWORD (msg
.msg
.lParam
);
4245 int y
= HIWORD (msg
.msg
.lParam
);
4246 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4248 last_mousemove_x
= x
;
4249 last_mousemove_y
= y
;
4252 previous_help_echo_string
= help_echo_string
;
4253 help_echo_string
= Qnil
;
4255 if (dpyinfo
->grabbed
&& last_mouse_frame
4256 && FRAME_LIVE_P (last_mouse_frame
))
4257 f
= last_mouse_frame
;
4259 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4261 if (hlinfo
->mouse_face_hidden
)
4263 hlinfo
->mouse_face_hidden
= 0;
4264 clear_mouse_face (hlinfo
);
4269 /* Generate SELECT_WINDOW_EVENTs when needed. */
4270 if (!NILP (Vmouse_autoselect_window
))
4273 int x
= LOWORD (msg
.msg
.lParam
);
4274 int y
= HIWORD (msg
.msg
.lParam
);
4276 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4278 /* Window will be selected only when it is not
4279 selected now and last mouse movement event was
4280 not in it. Minibuffer window will be selected
4281 only when it is active. */
4282 if (WINDOWP (window
)
4283 && !EQ (window
, last_window
)
4284 && !EQ (window
, selected_window
)
4285 /* For click-to-focus window managers
4286 create event iff we don't leave the
4288 && (focus_follows_mouse
4289 || (EQ (XWINDOW (window
)->frame
,
4290 XWINDOW (selected_window
)->frame
))))
4292 inev
.kind
= SELECT_WINDOW_EVENT
;
4293 inev
.frame_or_window
= window
;
4296 last_window
= window
;
4298 if (!note_mouse_movement (f
, &msg
.msg
))
4299 help_echo_string
= previous_help_echo_string
;
4303 /* If we move outside the frame, then we're
4304 certainly no longer on any text in the frame. */
4305 clear_mouse_face (hlinfo
);
4308 /* If the contents of the global variable help_echo_string
4309 has changed, generate a HELP_EVENT. */
4310 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4311 But it was originally changed to this to fix a bug, so I have
4312 not removed it completely in case the bug is still there. */
4313 if (help_echo_string
!= previous_help_echo_string
||
4314 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4315 #else /* This is what xterm.c does. */
4316 if (!NILP (help_echo_string
)
4317 || !NILP (previous_help_echo_string
))
4322 case WM_LBUTTONDOWN
:
4324 case WM_MBUTTONDOWN
:
4326 case WM_RBUTTONDOWN
:
4328 case WM_XBUTTONDOWN
:
4331 /* If we decide we want to generate an event to be seen
4332 by the rest of Emacs, we put it here. */
4337 if (dpyinfo
->grabbed
&& last_mouse_frame
4338 && FRAME_LIVE_P (last_mouse_frame
))
4339 f
= last_mouse_frame
;
4341 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4345 construct_mouse_click (&inev
, &msg
, f
);
4347 /* Is this in the tool-bar? */
4348 if (WINDOWP (f
->tool_bar_window
)
4349 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4352 int x
= XFASTINT (inev
.x
);
4353 int y
= XFASTINT (inev
.y
);
4355 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4357 if (EQ (window
, f
->tool_bar_window
))
4359 w32_handle_tool_bar_click (f
, &inev
);
4365 || (dpyinfo
->w32_focus_frame
4366 && f
!= dpyinfo
->w32_focus_frame
))
4367 inev
.kind
= NO_EVENT
;
4370 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4375 dpyinfo
->grabbed
&= ~ (1 << button
);
4379 dpyinfo
->grabbed
|= (1 << button
);
4380 last_mouse_frame
= f
;
4381 /* Ignore any mouse motion that happened
4382 before this event; any subsequent mouse-movement
4383 Emacs events should reflect only motion after
4389 last_tool_bar_item
= -1;
4395 case WM_MOUSEHWHEEL
:
4397 if (dpyinfo
->grabbed
&& last_mouse_frame
4398 && FRAME_LIVE_P (last_mouse_frame
))
4399 f
= last_mouse_frame
;
4401 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4406 if (!dpyinfo
->w32_focus_frame
4407 || f
== dpyinfo
->w32_focus_frame
)
4409 /* Emit an Emacs wheel-up/down event. */
4410 construct_mouse_wheel (&inev
, &msg
, f
);
4412 /* Ignore any mouse motion that happened before this
4413 event; any subsequent mouse-movement Emacs events
4414 should reflect only motion after the
4418 last_mouse_frame
= f
;
4419 last_tool_bar_item
= -1;
4424 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4427 construct_drag_n_drop (&inev
, &msg
, f
);
4432 struct scroll_bar
*bar
=
4433 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4436 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4440 case WM_WINDOWPOSCHANGED
:
4441 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4444 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4445 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4447 check_visibility
= 1;
4451 case WM_ACTIVATEAPP
:
4452 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4454 x_check_fullscreen (f
);
4455 check_visibility
= 1;
4459 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4461 if (f
&& !f
->async_iconified
)
4465 x_real_positions (f
, &x
, &y
);
4470 check_visibility
= 1;
4474 /* wParam non-zero means Window is about to be shown, 0 means
4475 about to be hidden. */
4476 /* Redo the mouse-highlight after the tooltip has gone. */
4477 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4480 redo_mouse_highlight ();
4483 /* If window has been obscured or exposed by another window
4484 being maximised or minimised/restored, then recheck
4485 visibility of all frames. Direct changes to our own
4486 windows get handled by WM_SIZE. */
4488 if (msg
.msg
.lParam
!= 0)
4489 check_visibility
= 1;
4492 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4493 f
->async_visible
= msg
.msg
.wParam
;
4497 check_visibility
= 1;
4501 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4503 /* Inform lisp of whether frame has been iconified etc. */
4506 switch (msg
.msg
.wParam
)
4508 case SIZE_MINIMIZED
:
4509 f
->async_visible
= 0;
4510 f
->async_iconified
= 1;
4512 inev
.kind
= ICONIFY_EVENT
;
4513 XSETFRAME (inev
.frame_or_window
, f
);
4516 case SIZE_MAXIMIZED
:
4518 f
->async_visible
= 1;
4519 f
->async_iconified
= 0;
4521 /* wait_reading_process_output will notice this and update
4522 the frame's display structures. */
4523 SET_FRAME_GARBAGED (f
);
4529 /* Reset top and left positions of the Window
4530 here since Windows sends a WM_MOVE message
4531 BEFORE telling us the Window is minimized
4532 when the Window is iconified, with 3000,3000
4534 x_real_positions (f
, &x
, &y
);
4538 inev
.kind
= DEICONIFY_EVENT
;
4539 XSETFRAME (inev
.frame_or_window
, f
);
4541 else if (! NILP (Vframe_list
)
4542 && ! NILP (XCDR (Vframe_list
)))
4543 /* Force a redisplay sooner or later
4544 to update the frame titles
4545 in case this is the second frame. */
4546 record_asynch_buffer_change ();
4551 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4559 GetClientRect (msg
.msg
.hwnd
, &rect
);
4561 height
= rect
.bottom
- rect
.top
;
4562 width
= rect
.right
- rect
.left
;
4564 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4565 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4567 /* TODO: Clip size to the screen dimensions. */
4569 /* Even if the number of character rows and columns has
4570 not changed, the font size may have changed, so we need
4571 to check the pixel dimensions as well. */
4573 if (columns
!= FRAME_COLS (f
)
4574 || rows
!= FRAME_LINES (f
)
4575 || width
!= FRAME_PIXEL_WIDTH (f
)
4576 || height
!= FRAME_PIXEL_HEIGHT (f
))
4578 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4579 SET_FRAME_GARBAGED (f
);
4580 cancel_mouse_face (f
);
4581 FRAME_PIXEL_WIDTH (f
) = width
;
4582 FRAME_PIXEL_HEIGHT (f
) = height
;
4583 f
->win_gravity
= NorthWestGravity
;
4587 check_visibility
= 1;
4591 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4594 if (f
== hlinfo
->mouse_face_mouse_frame
)
4596 /* If we move outside the frame, then we're
4597 certainly no longer on any text in the frame. */
4598 clear_mouse_face (hlinfo
);
4599 hlinfo
->mouse_face_mouse_frame
= 0;
4602 /* Generate a nil HELP_EVENT to cancel a help-echo.
4603 Do it only if there's something to cancel.
4604 Otherwise, the startup message is cleared when
4605 the mouse leaves the frame. */
4606 if (any_help_event_p
)
4612 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4614 dpyinfo
->grabbed
= 0;
4615 check_visibility
= 1;
4619 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4623 if (f
== dpyinfo
->w32_focus_event_frame
)
4624 dpyinfo
->w32_focus_event_frame
= 0;
4626 if (f
== dpyinfo
->w32_focus_frame
)
4627 x_new_focus_frame (dpyinfo
, 0);
4629 if (f
== hlinfo
->mouse_face_mouse_frame
)
4631 /* If we move outside the frame, then we're
4632 certainly no longer on any text in the frame. */
4633 clear_mouse_face (hlinfo
);
4634 hlinfo
->mouse_face_mouse_frame
= 0;
4637 /* Generate a nil HELP_EVENT to cancel a help-echo.
4638 Do it only if there's something to cancel.
4639 Otherwise, the startup message is cleared when
4640 the mouse leaves the frame. */
4641 if (any_help_event_p
)
4645 dpyinfo
->grabbed
= 0;
4646 check_visibility
= 1;
4650 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4654 inev
.kind
= DELETE_WINDOW_EVENT
;
4655 XSETFRAME (inev
.frame_or_window
, f
);
4660 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4664 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4665 XSETFRAME (inev
.frame_or_window
, f
);
4670 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4674 extern void menubar_selection_callback
4675 (FRAME_PTR f
, void * client_data
);
4676 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4679 check_visibility
= 1;
4682 case WM_DISPLAYCHANGE
:
4683 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4687 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4688 DebPrint (("display change: %d %d\n",
4689 (short) LOWORD (msg
.msg
.lParam
),
4690 (short) HIWORD (msg
.msg
.lParam
)));
4693 check_visibility
= 1;
4697 /* Check for messages registered at runtime. */
4698 if (msg
.msg
.message
== msh_mousewheel
)
4700 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4701 msg
.msg
.message
= WM_MOUSEWHEEL
;
4707 if (inev
.kind
!= NO_EVENT
)
4709 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4714 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4719 XSETFRAME (frame
, f
);
4725 if (NILP (help_echo_string
))
4727 help_echo_object
= help_echo_window
= Qnil
;
4731 any_help_event_p
= 1;
4732 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4733 help_echo_object
, help_echo_pos
);
4737 help_echo_string
= Qnil
;
4738 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4744 /* If the focus was just given to an autoraising frame,
4746 /* ??? This ought to be able to handle more than one such frame. */
4747 if (pending_autoraise_frame
)
4749 x_raise_frame (pending_autoraise_frame
);
4750 pending_autoraise_frame
= 0;
4753 /* Check which frames are still visisble, if we have enqueued any user
4754 events or been notified of events that may affect visibility. We
4755 do this here because there doesn't seem to be any direct
4756 notification from Windows that the visibility of a window has
4757 changed (at least, not in all cases). */
4758 if (count
> 0 || check_visibility
)
4760 Lisp_Object tail
, frame
;
4762 FOR_EACH_FRAME (tail
, frame
)
4764 FRAME_PTR f
= XFRAME (frame
);
4765 /* The tooltip has been drawn already. Avoid the
4766 SET_FRAME_GARBAGED below. */
4767 if (EQ (frame
, tip_frame
))
4770 /* Check "visible" frames and mark each as obscured or not.
4771 Note that async_visible is nonzero for unobscured and
4772 obscured frames, but zero for hidden and iconified frames. */
4773 if (FRAME_W32_P (f
) && f
->async_visible
)
4779 /* Query clipping rectangle for the entire window area
4780 (GetWindowDC), not just the client portion (GetDC).
4781 Otherwise, the scrollbars and menubar aren't counted as
4782 part of the visible area of the frame, and we may think
4783 the frame is obscured when really a scrollbar is still
4784 visible and gets WM_PAINT messages above. */
4785 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4786 GetClipBox (hdc
, &clipbox
);
4787 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4790 if (clipbox
.right
== clipbox
.left
4791 || clipbox
.bottom
== clipbox
.top
)
4793 /* Frame has become completely obscured so mark as
4794 such (we do this by setting async_visible to 2 so
4795 that FRAME_VISIBLE_P is still true, but redisplay
4797 f
->async_visible
= 2;
4799 if (!FRAME_OBSCURED_P (f
))
4801 DebPrint (("frame %p (%s) obscured\n", f
,
4807 /* Frame is not obscured, so mark it as such. */
4808 f
->async_visible
= 1;
4810 if (FRAME_OBSCURED_P (f
))
4812 SET_FRAME_GARBAGED (f
);
4813 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4816 /* Force a redisplay sooner or later. */
4817 record_asynch_buffer_change ();
4830 /***********************************************************************
4832 ***********************************************************************/
4834 /* Set clipping for output in glyph row ROW. W is the window in which
4835 we operate. GC is the graphics context to set clipping in.
4837 ROW may be a text row or, e.g., a mode line. Text rows must be
4838 clipped to the interior of the window dedicated to text display,
4839 mode lines must be clipped to the whole window. */
4842 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
, int area
, HDC hdc
)
4845 int window_x
, window_y
, window_width
;
4847 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4849 clip_rect
.left
= window_x
;
4850 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4851 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4852 clip_rect
.right
= clip_rect
.left
+ window_width
;
4853 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4855 w32_set_clip_rectangle (hdc
, &clip_rect
);
4859 /* Draw a hollow box cursor on window W in glyph row ROW. */
4862 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
4864 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4868 struct glyph
*cursor_glyph
;
4869 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4871 /* Get the glyph the cursor is on. If we can't tell because
4872 the current matrix is invalid or such, give up. */
4873 cursor_glyph
= get_phys_cursor_glyph (w
);
4874 if (cursor_glyph
== NULL
)
4877 /* Compute frame-relative coordinates for phys cursor. */
4878 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4881 rect
.bottom
= rect
.top
+ h
;
4882 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4884 hdc
= get_frame_dc (f
);
4885 /* Set clipping, draw the rectangle, and reset clipping again. */
4886 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4887 FrameRect (hdc
, &rect
, hb
);
4889 w32_set_clip_rectangle (hdc
, NULL
);
4890 release_frame_dc (f
, hdc
);
4894 /* Draw a bar cursor on window W in glyph row ROW.
4896 Implementation note: One would like to draw a bar cursor with an
4897 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4898 Unfortunately, I didn't find a font yet that has this property set.
4902 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
4903 int width
, enum text_cursor_kinds kind
)
4905 struct frame
*f
= XFRAME (w
->frame
);
4906 struct glyph
*cursor_glyph
;
4908 /* If cursor is out of bounds, don't draw garbage. This can happen
4909 in mini-buffer windows when switching between echo area glyphs
4911 cursor_glyph
= get_phys_cursor_glyph (w
);
4912 if (cursor_glyph
== NULL
)
4915 /* If on an image, draw like a normal cursor. That's usually better
4916 visible than drawing a bar, esp. if the image is large so that
4917 the bar might not be in the window. */
4918 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4920 struct glyph_row
*row
;
4921 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4922 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4926 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4927 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4931 /* If the glyph's background equals the color we normally draw
4932 the bar cursor in, the bar cursor in its normal color is
4933 invisible. Use the glyph's foreground color instead in this
4934 case, on the assumption that the glyph's colors are chosen so
4935 that the glyph is legible. */
4936 if (face
->background
== cursor_color
)
4937 cursor_color
= face
->foreground
;
4939 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4941 hdc
= get_frame_dc (f
);
4942 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4944 if (kind
== BAR_CURSOR
)
4947 width
= FRAME_CURSOR_WIDTH (f
);
4948 width
= min (cursor_glyph
->pixel_width
, width
);
4950 w
->phys_cursor_width
= width
;
4952 /* If the character under cursor is R2L, draw the bar cursor
4953 on the right of its glyph, rather than on the left. */
4954 if ((cursor_glyph
->resolved_level
& 1) != 0)
4955 x
+= cursor_glyph
->pixel_width
- width
;
4957 w32_fill_area (f
, hdc
, cursor_color
, x
,
4958 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
4959 width
, row
->height
);
4963 int dummy_x
, dummy_y
, dummy_h
;
4966 width
= row
->height
;
4968 width
= min (row
->height
, width
);
4970 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
4971 &dummy_y
, &dummy_h
);
4972 w32_fill_area (f
, hdc
, cursor_color
, x
,
4973 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
4974 row
->height
- width
),
4975 w
->phys_cursor_width
, width
);
4978 w32_set_clip_rectangle (hdc
, NULL
);
4979 release_frame_dc (f
, hdc
);
4984 /* RIF: Define cursor CURSOR on frame F. */
4987 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
4989 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
4993 /* RIF: Clear area on frame F. */
4996 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5000 hdc
= get_frame_dc (f
);
5001 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5002 release_frame_dc (f
, hdc
);
5005 /* RIF: Draw or clear cursor on window W. */
5008 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5009 int x
, int y
, int cursor_type
, int cursor_width
,
5010 int on_p
, int active_p
)
5014 /* If the user wants to use the system caret, make sure our own
5015 cursor remains invisible. */
5016 if (w32_use_visible_system_caret
)
5018 /* Call to erase_phys_cursor here seems to use the
5019 wrong values of w->phys_cursor, as they have been
5020 overwritten before this function was called. */
5021 if (w
->phys_cursor_type
!= NO_CURSOR
)
5022 erase_phys_cursor (w
);
5024 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5025 w
->phys_cursor_width
= -1;
5029 w
->phys_cursor_type
= cursor_type
;
5032 w
->phys_cursor_on_p
= 1;
5034 /* If this is the active cursor, we need to track it with the
5035 system caret, so third party software like screen magnifiers
5036 and speech synthesizers can follow the cursor. */
5039 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5040 HWND hwnd
= FRAME_W32_WINDOW (f
);
5043 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5045 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5046 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5048 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5050 /* If the size of the active cursor changed, destroy the old
5052 if (w32_system_caret_hwnd
5053 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5054 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5056 w32_system_caret_height
= w
->phys_cursor_height
;
5058 /* Move the system caret. */
5059 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5062 if (glyph_row
->exact_window_width_line_p
5063 && (glyph_row
->reversed_p
5064 ? (w
->phys_cursor
.hpos
< 0)
5065 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5067 glyph_row
->cursor_in_fringe_p
= 1;
5068 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5072 switch (cursor_type
)
5074 case HOLLOW_BOX_CURSOR
:
5075 x_draw_hollow_cursor (w
, glyph_row
);
5078 case FILLED_BOX_CURSOR
:
5079 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5083 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5087 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5091 w
->phys_cursor_width
= 0;
5105 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5108 HANDLE small_icon
= NULL
;
5110 if (FRAME_W32_WINDOW (f
) == 0)
5114 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5115 else if (STRINGP (icon
))
5117 /* Load the main icon from the named file. */
5118 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5119 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5120 /* Try to load a small icon to go with it. */
5121 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5122 GetSystemMetrics (SM_CXSMICON
),
5123 GetSystemMetrics (SM_CYSMICON
),
5126 else if (SYMBOLP (icon
))
5130 if (EQ (icon
, intern ("application")))
5131 name
= (LPCTSTR
) IDI_APPLICATION
;
5132 else if (EQ (icon
, intern ("hand")))
5133 name
= (LPCTSTR
) IDI_HAND
;
5134 else if (EQ (icon
, intern ("question")))
5135 name
= (LPCTSTR
) IDI_QUESTION
;
5136 else if (EQ (icon
, intern ("exclamation")))
5137 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5138 else if (EQ (icon
, intern ("asterisk")))
5139 name
= (LPCTSTR
) IDI_ASTERISK
;
5140 else if (EQ (icon
, intern ("winlogo")))
5141 name
= (LPCTSTR
) IDI_WINLOGO
;
5145 main_icon
= LoadIcon (NULL
, name
);
5150 if (main_icon
== NULL
)
5153 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5154 (LPARAM
) main_icon
);
5156 /* If there is a small icon that goes with it, set that too. */
5158 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5159 (LPARAM
) small_icon
);
5165 /************************************************************************
5167 ************************************************************************/
5169 /* Display Error Handling functions not used on W32. Listing them here
5170 helps diff stay in step when comparing w32term.c with xterm.c.
5172 x_error_catcher (display, error)
5173 x_catch_errors (dpy)
5174 x_catch_errors_unwind (old_val)
5175 x_check_errors (dpy, format)
5176 x_fully_uncatch_errors ()
5177 x_catching_errors ()
5178 x_had_errors_p (dpy)
5179 x_clear_errors (dpy)
5180 x_uncatch_errors (dpy, count)
5182 x_connection_signal (signalnum)
5183 x_connection_closed (dpy, error_message)
5184 x_error_quitter (display, error)
5185 x_error_handler (display, error)
5186 x_io_error_quitter (display)
5191 /* Changing the font of the frame. */
5194 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5196 struct font
*font
= XFONT_OBJECT (font_object
);
5199 fontset
= fontset_from_font (font_object
);
5200 FRAME_FONTSET (f
) = fontset
;
5201 if (FRAME_FONT (f
) == font
)
5202 /* This font is already set in frame F. There's nothing more to
5206 FRAME_FONT (f
) = font
;
5207 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5208 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5209 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5210 FRAME_LINE_HEIGHT (f
) = font
->height
;
5212 compute_fringe_widths (f
, 1);
5214 /* Compute the scroll bar width in character columns. */
5215 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5217 int wid
= FRAME_COLUMN_WIDTH (f
);
5218 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5219 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5223 int wid
= FRAME_COLUMN_WIDTH (f
);
5224 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5227 /* Now make the frame display the given font. */
5228 if (FRAME_X_WINDOW (f
) != 0)
5230 /* Don't change the size of a tip frame; there's no point in
5231 doing it because it's done in Fx_show_tip, and it leads to
5232 problems because the tip frame has no widget. */
5233 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5234 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5237 /* X version sets font of input methods here also. */
5243 /***********************************************************************
5244 TODO: W32 Input Methods
5245 ***********************************************************************/
5246 /* Listing missing functions from xterm.c helps diff stay in step.
5248 xim_destroy_callback (xim, client_data, call_data)
5249 xim_open_dpy (dpyinfo, resource_name)
5251 xim_instantiate_callback (display, client_data, call_data)
5252 xim_initialize (dpyinfo, resource_name)
5253 xim_close_dpy (dpyinfo)
5258 /* Calculate the absolute position in frame F
5259 from its current recorded position values and gravity. */
5262 x_calc_absolute_position (struct frame
*f
)
5264 int flags
= f
->size_hint_flags
;
5266 /* The sum of the widths of the frame's left and right borders, and
5267 the sum of the heights of the frame's top and bottom borders (in
5268 pixels) drawn by Windows. */
5269 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5271 /* Try to get the actual values of these two variables. We compute
5272 the border width (height) by subtracting the width (height) of
5273 the frame's client area from the width (height) of the frame's
5275 WINDOWPLACEMENT wp
= { 0 };
5276 RECT client_rect
= { 0 };
5278 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5279 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5281 left_right_borders_width
=
5282 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5283 (client_rect
.right
- client_rect
.left
);
5285 top_bottom_borders_height
=
5286 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5287 (client_rect
.bottom
- client_rect
.top
);
5291 /* Use sensible default values. */
5292 left_right_borders_width
= 8;
5293 top_bottom_borders_height
= 32;
5296 /* Treat negative positions as relative to the rightmost bottommost
5297 position that fits on the screen. */
5298 if (flags
& XNegative
)
5299 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5300 - FRAME_PIXEL_WIDTH (f
)
5302 - (left_right_borders_width
- 1));
5304 if (flags
& YNegative
)
5305 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5306 - FRAME_PIXEL_HEIGHT (f
)
5308 - (top_bottom_borders_height
- 1));
5310 /* The left_pos and top_pos are now relative to the top and left
5311 screen edges, so the flags should correspond. */
5312 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5315 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5316 to really change the position, and 0 when calling from
5317 x_make_frame_visible (in that case, XOFF and YOFF are the current
5318 position values). It is -1 when calling from x_set_frame_parameters,
5319 which means, do adjust for borders but don't change the gravity. */
5322 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5325 int modified_top
, modified_left
;
5327 if (change_gravity
> 0)
5331 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5333 f
->size_hint_flags
|= XNegative
;
5335 f
->size_hint_flags
|= YNegative
;
5336 f
->win_gravity
= NorthWestGravity
;
5338 x_calc_absolute_position (f
);
5341 x_wm_set_size_hint (f
, (long) 0, 0);
5343 modified_left
= f
->left_pos
;
5344 modified_top
= f
->top_pos
;
5346 my_set_window_pos (FRAME_W32_WINDOW (f
),
5348 modified_left
, modified_top
,
5350 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5355 /* Check if we need to resize the frame due to a fullscreen request.
5356 If so needed, resize the frame. */
5358 x_check_fullscreen (struct frame
*f
)
5360 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5362 int width
, height
, ign
;
5364 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5366 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5368 /* We do not need to move the window, it shall be taken care of
5369 when setting WM manager hints. */
5370 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5372 change_frame_size (f
, height
, width
, 0, 1, 0);
5373 SET_FRAME_GARBAGED (f
);
5374 cancel_mouse_face (f
);
5376 /* Wait for the change of frame size to occur */
5377 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5382 /* Call this to change the size of frame F's x-window.
5383 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5384 for this size change and subsequent size changes.
5385 Otherwise we leave the window gravity unchanged. */
5388 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5390 int pixelwidth
, pixelheight
;
5394 check_frame_size (f
, &rows
, &cols
);
5395 f
->scroll_bar_actual_width
5396 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5398 compute_fringe_widths (f
, 0);
5400 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5401 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5403 f
->win_gravity
= NorthWestGravity
;
5404 x_wm_set_size_hint (f
, (long) 0, 0);
5409 rect
.left
= rect
.top
= 0;
5410 rect
.right
= pixelwidth
;
5411 rect
.bottom
= pixelheight
;
5413 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5414 FRAME_EXTERNAL_MENU_BAR (f
));
5416 my_set_window_pos (FRAME_W32_WINDOW (f
),
5419 rect
.right
- rect
.left
,
5420 rect
.bottom
- rect
.top
,
5421 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5425 /* The following mirrors what is done in xterm.c. It appears to be
5426 for informing lisp of the new size immediately, while the actual
5427 resize will happen asynchronously. But on Windows, the menu bar
5428 automatically wraps when the frame is too narrow to contain it,
5429 and that causes any calculations made here to come out wrong. The
5430 end is some nasty buggy behavior, including the potential loss
5433 Disabling this code is either not sufficient to fix the problems
5434 completely, or it causes fresh problems, but at least it removes
5435 the most problematic symptom of the minibuffer becoming unusable.
5437 -----------------------------------------------------------------
5439 Now, strictly speaking, we can't be sure that this is accurate,
5440 but the window manager will get around to dealing with the size
5441 change request eventually, and we'll hear how it went when the
5442 ConfigureNotify event gets here.
5444 We could just not bother storing any of this information here,
5445 and let the ConfigureNotify event set everything up, but that
5446 might be kind of confusing to the Lisp code, since size changes
5447 wouldn't be reported in the frame parameters until some random
5448 point in the future when the ConfigureNotify event arrives.
5450 We pass 1 for DELAY since we can't run Lisp code inside of
5452 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5453 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5454 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5456 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5457 receive in the ConfigureNotify event; if we get what we asked
5458 for, then the event won't cause the screen to become garbaged, so
5459 we have to make sure to do it here. */
5460 SET_FRAME_GARBAGED (f
);
5462 /* If cursor was outside the new size, mark it as off. */
5463 mark_window_cursors_off (XWINDOW (f
->root_window
));
5465 /* Clear out any recollection of where the mouse highlighting was,
5466 since it might be in a place that's outside the new frame size.
5467 Actually checking whether it is outside is a pain in the neck,
5468 so don't try--just let the highlighting be done afresh with new size. */
5469 cancel_mouse_face (f
);
5475 /* Mouse warping. */
5477 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5480 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5484 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5485 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5487 if (pix_x
< 0) pix_x
= 0;
5488 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5490 if (pix_y
< 0) pix_y
= 0;
5491 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5493 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5497 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5504 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5505 pt
.x
= rect
.left
+ pix_x
;
5506 pt
.y
= rect
.top
+ pix_y
;
5507 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5509 SetCursorPos (pt
.x
, pt
.y
);
5515 /* focus shifting, raising and lowering. */
5518 x_focus_on_frame (struct frame
*f
)
5520 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5522 /* Give input focus to frame. */
5525 /* Try not to change its Z-order if possible. */
5526 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5527 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5530 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5535 x_unfocus_frame (struct frame
*f
)
5539 /* Raise frame F. */
5541 x_raise_frame (struct frame
*f
)
5545 /* Strictly speaking, raise-frame should only change the frame's Z
5546 order, leaving input focus unchanged. This is reasonable behavior
5547 on X where the usual policy is point-to-focus. However, this
5548 behavior would be very odd on Windows where the usual policy is
5551 On X, if the mouse happens to be over the raised frame, it gets
5552 input focus anyway (so the window with focus will never be
5553 completely obscured) - if not, then just moving the mouse over it
5554 is sufficient to give it focus. On Windows, the user must actually
5555 click on the frame (preferrably the title bar so as not to move
5556 point), which is more awkward. Also, no other Windows program
5557 raises a window to the top but leaves another window (possibly now
5558 completely obscured) with input focus.
5560 Because there is a system setting on Windows that allows the user
5561 to choose the point to focus policy, we make the strict semantics
5562 optional, but by default we grab focus when raising. */
5564 if (NILP (Vw32_grab_focus_on_raise
))
5566 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5567 not already the foreground application: the frame is raised
5568 above all other frames belonging to us, but not above the
5569 current top window. To achieve that, we have to resort to this
5570 more cumbersome method. */
5572 HDWP handle
= BeginDeferWindowPos (2);
5575 DeferWindowPos (handle
,
5576 FRAME_W32_WINDOW (f
),
5579 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5581 DeferWindowPos (handle
,
5582 GetForegroundWindow (),
5583 FRAME_W32_WINDOW (f
),
5585 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5587 EndDeferWindowPos (handle
);
5592 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5598 /* Lower frame F. */
5600 x_lower_frame (struct frame
*f
)
5603 my_set_window_pos (FRAME_W32_WINDOW (f
),
5606 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5611 w32_frame_raise_lower (FRAME_PTR f
, int raise_flag
)
5613 if (! FRAME_W32_P (f
))
5622 /* Change of visibility. */
5624 /* This tries to wait until the frame is really visible.
5625 However, if the window manager asks the user where to position
5626 the frame, this will return before the user finishes doing that.
5627 The frame will not actually be visible at that time,
5628 but it will become visible later when the window manager
5629 finishes with it. */
5632 x_make_frame_visible (struct frame
*f
)
5638 type
= x_icon_type (f
);
5640 x_bitmap_icon (f
, type
);
5642 if (! FRAME_VISIBLE_P (f
))
5644 /* We test FRAME_GARBAGED_P here to make sure we don't
5645 call x_set_offset a second time
5646 if we get to x_make_frame_visible a second time
5647 before the window gets really visible. */
5648 if (! FRAME_ICONIFIED_P (f
)
5649 && ! f
->output_data
.w32
->asked_for_visible
)
5654 /* Adjust vertical window position in order to avoid being
5655 covered by a task bar placed at the bottom of the desktop. */
5656 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5657 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5658 if (window_rect
.bottom
> workarea_rect
.bottom
5659 && window_rect
.top
> workarea_rect
.top
)
5660 f
->top_pos
= max (window_rect
.top
5661 - window_rect
.bottom
+ workarea_rect
.bottom
,
5664 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5667 f
->output_data
.w32
->asked_for_visible
= 1;
5669 /* The first of these seems to give more expected behavior, but
5670 was added as a commented out line in Sept 1997, with the
5671 second version remaining uncommented. There may have been
5672 some problem with it that led to it not being enabled,
5673 so the old version remains commented out below in case we
5674 decide we need to go back to it [23.0.60 2008-06-09]. */
5675 my_show_window (f
, FRAME_W32_WINDOW (f
),
5676 f
->async_iconified
? SW_RESTORE
: SW_SHOW
);
5677 /* my_show_window (f, FRAME_W32_WINDOW (f), SW_SHOWNORMAL); */
5680 /* Synchronize to ensure Emacs knows the frame is visible
5681 before we do anything else. We do this loop with input not blocked
5682 so that incoming events are handled. */
5687 /* This must come after we set COUNT. */
5690 XSETFRAME (frame
, f
);
5692 /* Wait until the frame is visible. Process X events until a
5693 MapNotify event has been seen, or until we think we won't get a
5694 MapNotify at all.. */
5695 for (count
= input_signal_count
+ 10;
5696 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5698 /* Force processing of queued events. */
5699 /* TODO: x_sync equivalent? */
5701 /* Machines that do polling rather than SIGIO have been observed
5702 to go into a busy-wait here. So we'll fake an alarm signal
5703 to let the handler know that there's something to be read.
5704 We used to raise a real alarm, but it seems that the handler
5705 isn't always enabled here. This is probably a bug. */
5706 if (input_polling_used ())
5708 /* It could be confusing if a real alarm arrives while processing
5709 the fake one. Turn it off and let the handler reset it. */
5710 int old_poll_suppress_count
= poll_suppress_count
;
5711 poll_suppress_count
= 1;
5712 poll_for_input_1 ();
5713 poll_suppress_count
= old_poll_suppress_count
;
5716 FRAME_SAMPLE_VISIBILITY (f
);
5720 /* Change from mapped state to withdrawn state. */
5722 /* Make the frame visible (mapped and not iconified). */
5725 x_make_frame_invisible (struct frame
*f
)
5727 /* Don't keep the highlight on an invisible frame. */
5728 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5729 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5733 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5735 /* We can't distinguish this from iconification
5736 just by the event that we get from the server.
5737 So we can't win using the usual strategy of letting
5738 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5739 and synchronize with the server to make sure we agree. */
5741 FRAME_ICONIFIED_P (f
) = 0;
5742 f
->async_visible
= 0;
5743 f
->async_iconified
= 0;
5748 /* Change window state from mapped to iconified. */
5751 x_iconify_frame (struct frame
*f
)
5755 /* Don't keep the highlight on an invisible frame. */
5756 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5757 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5759 if (f
->async_iconified
)
5764 type
= x_icon_type (f
);
5766 x_bitmap_icon (f
, type
);
5768 /* Simulate the user minimizing the frame. */
5769 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5775 /* Free X resources of frame F. */
5778 x_free_frame_resources (struct frame
*f
)
5780 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5781 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
5785 /* We must free faces before destroying windows because some
5786 font-driver (e.g. xft) access a window while finishing a
5788 if (FRAME_FACE_CACHE (f
))
5789 free_frame_faces (f
);
5791 if (FRAME_W32_WINDOW (f
))
5792 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5794 free_frame_menubar (f
);
5796 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5797 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5798 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5799 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5800 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5801 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5802 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5803 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5804 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5805 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5807 if (FRAME_FACE_CACHE (f
))
5808 free_frame_faces (f
);
5810 xfree (f
->output_data
.w32
);
5811 f
->output_data
.w32
= NULL
;
5813 if (f
== dpyinfo
->w32_focus_frame
)
5814 dpyinfo
->w32_focus_frame
= 0;
5815 if (f
== dpyinfo
->w32_focus_event_frame
)
5816 dpyinfo
->w32_focus_event_frame
= 0;
5817 if (f
== dpyinfo
->x_highlight_frame
)
5818 dpyinfo
->x_highlight_frame
= 0;
5820 if (f
== hlinfo
->mouse_face_mouse_frame
)
5822 hlinfo
->mouse_face_beg_row
5823 = hlinfo
->mouse_face_beg_col
= -1;
5824 hlinfo
->mouse_face_end_row
5825 = hlinfo
->mouse_face_end_col
= -1;
5826 hlinfo
->mouse_face_window
= Qnil
;
5827 hlinfo
->mouse_face_deferred_gc
= 0;
5828 hlinfo
->mouse_face_mouse_frame
= 0;
5835 /* Destroy the window of frame F. */
5837 x_destroy_window (struct frame
*f
)
5839 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5841 x_free_frame_resources (f
);
5842 dpyinfo
->reference_count
--;
5846 /* Setting window manager hints. */
5848 /* Set the normal size hints for the window manager, for frame F.
5849 FLAGS is the flags word to use--or 0 meaning preserve the flags
5850 that the window now has.
5851 If USER_POSITION is nonzero, we set the USPosition
5852 flag (this is useful when FLAGS is 0). */
5854 x_wm_set_size_hint (struct frame
*f
, long flags
, int user_position
)
5856 Window window
= FRAME_W32_WINDOW (f
);
5860 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5861 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5862 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5863 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5868 /* Window manager things */
5870 x_wm_set_icon_position (struct frame
*f
, int icon_x
, int icon_y
)
5873 Window window
= FRAME_W32_WINDOW (f
);
5875 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5876 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5877 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5879 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5884 /***********************************************************************
5886 ***********************************************************************/
5888 static int w32_initialized
= 0;
5891 w32_initialize_display_info (Lisp_Object display_name
)
5893 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5894 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
5896 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
5898 /* Put it on w32_display_name_list. */
5899 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5900 w32_display_name_list
);
5901 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
5903 dpyinfo
->w32_id_name
5904 = (char *) xmalloc (SCHARS (Vinvocation_name
)
5905 + SCHARS (Vsystem_name
)
5907 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
5908 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
5910 /* Default Console mode values - overridden when running in GUI mode
5911 with values obtained from system metrics. */
5914 dpyinfo
->n_planes
= 1;
5915 dpyinfo
->n_cbits
= 4;
5916 dpyinfo
->n_fonts
= 0;
5917 dpyinfo
->smallest_font_height
= 1;
5918 dpyinfo
->smallest_char_width
= 1;
5920 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
5921 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
5922 hlinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
5923 hlinfo
->mouse_face_window
= Qnil
;
5924 hlinfo
->mouse_face_overlay
= Qnil
;
5925 hlinfo
->mouse_face_hidden
= 0;
5927 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
5928 /* TODO: dpyinfo->gray */
5932 /* Create an xrdb-style database of resources to supersede registry settings.
5933 The database is just a concatenation of C strings, finished by an additional
5934 \0. The strings are submitted to some basic normalization, so
5936 [ *]option[ *]:[ *]value...
5942 but any whitespace following value is not removed. */
5945 w32_make_rdb (char *xrm_option
)
5947 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
5948 char *current
= buffer
;
5951 int before_value
= 0;
5965 if (in_option
&& (ch
== ':'))
5970 else if (before_value
)
5975 else if (!(in_option
|| before_value
))
5987 x_flush (struct frame
* f
)
5988 { /* Nothing to do */ }
5991 extern frame_parm_handler w32_frame_parm_handlers
[];
5993 static struct redisplay_interface w32_redisplay_interface
=
5995 w32_frame_parm_handlers
,
5999 x_clear_end_of_line
,
6001 x_after_update_window_line
,
6002 x_update_window_begin
,
6003 x_update_window_end
,
6006 0, /* flush_display_optional */
6007 x_clear_window_mouse_face
,
6008 x_get_glyph_overhangs
,
6009 x_fix_overlapping_area
,
6010 w32_draw_fringe_bitmap
,
6011 w32_define_fringe_bitmap
,
6012 w32_destroy_fringe_bitmap
,
6013 w32_compute_glyph_string_overhangs
,
6014 x_draw_glyph_string
,
6015 w32_define_frame_cursor
,
6016 w32_clear_frame_area
,
6017 w32_draw_window_cursor
,
6018 w32_draw_vertical_window_border
,
6019 w32_shift_glyphs_for_insert
6022 static void x_delete_terminal (struct terminal
*term
);
6024 static struct terminal
*
6025 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6027 struct terminal
*terminal
;
6029 terminal
= create_terminal ();
6031 terminal
->type
= output_w32
;
6032 terminal
->display_info
.w32
= dpyinfo
;
6033 dpyinfo
->terminal
= terminal
;
6035 /* MSVC does not type K&R functions with no arguments correctly, and
6036 so we must explicitly cast them. */
6037 terminal
->clear_frame_hook
= x_clear_frame
;
6038 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6039 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6040 terminal
->ring_bell_hook
= w32_ring_bell
;
6041 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6042 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6043 terminal
->update_begin_hook
= x_update_begin
;
6044 terminal
->update_end_hook
= x_update_end
;
6045 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6046 terminal
->read_socket_hook
= w32_read_socket
;
6047 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6048 terminal
->mouse_position_hook
= w32_mouse_position
;
6049 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6050 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6051 /* terminal->fullscreen_hook = XTfullscreen_hook; */
6052 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6053 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6054 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6055 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6057 terminal
->delete_frame_hook
= x_destroy_window
;
6058 terminal
->delete_terminal_hook
= x_delete_terminal
;
6060 terminal
->rif
= &w32_redisplay_interface
;
6061 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6062 terminal
->char_ins_del_ok
= 1;
6063 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6064 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6065 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6068 /* We don't yet support separate terminals on W32, so don't try to share
6069 keyboards between virtual terminals that are on the same physical
6070 terminal like X does. */
6071 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6072 init_kboard (terminal
->kboard
);
6073 KVAR (terminal
->kboard
, Vwindow_system
) = intern ("w32");
6074 terminal
->kboard
->next_kboard
= all_kboards
;
6075 all_kboards
= terminal
->kboard
;
6076 /* Don't let the initial kboard remain current longer than necessary.
6077 That would cause problems if a file loaded on startup tries to
6078 prompt in the mini-buffer. */
6079 if (current_kboard
== initial_kboard
)
6080 current_kboard
= terminal
->kboard
;
6081 terminal
->kboard
->reference_count
++;
6087 x_delete_terminal (struct terminal
*terminal
)
6089 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6091 /* Protect against recursive calls. delete_frame in
6092 delete_terminal calls us back when it deletes our last frame. */
6093 if (!terminal
->name
)
6098 x_delete_display (dpyinfo
);
6102 struct w32_display_info
*
6103 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6105 struct w32_display_info
*dpyinfo
;
6106 struct terminal
*terminal
;
6111 if (!w32_initialized
)
6114 w32_initialized
= 1;
6117 w32_initialize_display_info (display_name
);
6119 dpyinfo
= &one_w32_display_info
;
6120 terminal
= w32_create_terminal (dpyinfo
);
6122 /* Set the name of the terminal. */
6123 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6124 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6125 terminal
->name
[SBYTES (display_name
)] = 0;
6127 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6129 /* Put this display on the chain. */
6130 dpyinfo
->next
= x_display_list
;
6131 x_display_list
= dpyinfo
;
6135 dpyinfo
->root_window
= GetDesktopWindow ();
6136 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6137 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6138 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6139 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6140 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6141 ReleaseDC (NULL
, hdc
);
6143 /* initialise palette with white and black */
6146 w32_defined_color (0, "white", &color
, 1);
6147 w32_defined_color (0, "black", &color
, 1);
6150 /* Add the default keyboard. */
6151 add_keyboard_wait_descriptor (0);
6153 /* Create Fringe Bitmaps and store them for later use.
6155 On W32, bitmaps are all unsigned short, as Windows requires
6156 bitmap data to be Word aligned. For some reason they are
6157 horizontally reflected compared to how they appear on X, so we
6158 need to bitswap and convert to unsigned shorts before creating
6160 w32_init_fringe (terminal
->rif
);
6163 fcntl (connection
, F_SETOWN
, getpid ());
6164 #endif /* ! defined (F_SETOWN) */
6167 if (interrupt_input
)
6168 init_sigio (connection
);
6169 #endif /* ! defined (SIGIO) */
6176 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6178 x_delete_display (struct w32_display_info
*dpyinfo
)
6180 /* Discard this display from w32_display_name_list and w32_display_list.
6181 We can't use Fdelq because that can quit. */
6182 if (! NILP (w32_display_name_list
)
6183 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6184 w32_display_name_list
= XCDR (w32_display_name_list
);
6189 tail
= w32_display_name_list
;
6190 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6192 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6194 XSETCDR (tail
, XCDR (XCDR (tail
)));
6201 /* free palette table */
6203 struct w32_palette_entry
* plist
;
6205 plist
= dpyinfo
->color_list
;
6208 struct w32_palette_entry
* pentry
= plist
;
6209 plist
= plist
->next
;
6212 dpyinfo
->color_list
= NULL
;
6213 if (dpyinfo
->palette
)
6214 DeleteObject (dpyinfo
->palette
);
6216 xfree (dpyinfo
->w32_id_name
);
6218 w32_reset_fringes ();
6221 /* Set up use of W32. */
6223 DWORD WINAPI
w32_msg_worker (void * arg
);
6226 w32_initialize (void)
6229 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6233 w32_system_caret_hwnd
= NULL
;
6234 w32_system_caret_height
= 0;
6235 w32_system_caret_x
= 0;
6236 w32_system_caret_y
= 0;
6238 /* On Windows 7 and later, we need to set the user model ID
6239 to associate emacsclient launched files with Emacs frames
6241 shell
= GetModuleHandle ("shell32.dll");
6245 = (void *) GetProcAddress (shell
,
6246 "SetCurrentProcessExplicitAppUserModelID");
6248 /* If the function is defined, then we are running on Windows 7
6249 or newer, and the UI uses this to group related windows
6250 together. Since emacs, runemacs, emacsclient are related, we
6251 want them grouped even though the executables are different,
6252 so we need to set a consistent ID between them. */
6254 set_user_model (L
"GNU.Emacs");
6257 /* Initialize w32_use_visible_system_caret based on whether a screen
6258 reader is in use. */
6259 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6260 &w32_use_visible_system_caret
, 0))
6261 w32_use_visible_system_caret
= 0;
6263 last_tool_bar_item
= -1;
6264 any_help_event_p
= 0;
6266 /* Initialize input mode: interrupt_input off, no flow control, allow
6267 8 bit character input, standard quit char. */
6268 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6271 DWORD input_locale_id
= (DWORD
) GetKeyboardLayout (0);
6272 keyboard_codepage
= codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6275 /* Create the window thread - it will terminate itself when the app
6279 dwMainThreadId
= GetCurrentThreadId ();
6280 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6281 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6283 /* Wait for thread to start */
6287 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6289 hWindowsThread
= CreateThread (NULL
, 0,
6291 0, 0, &dwWindowsThreadId
);
6293 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6296 /* It is desirable that mainThread should have the same notion of
6297 focus window and active window as windowsThread. Unfortunately, the
6298 following call to AttachThreadInput, which should do precisely what
6299 we need, causes major problems when Emacs is linked as a console
6300 program. Unfortunately, we have good reasons for doing that, so
6301 instead we need to send messages to windowsThread to make some API
6302 calls for us (ones that affect, or depend on, the active/focus
6304 #ifdef ATTACH_THREADS
6305 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6308 /* Dynamically link to optional system components. */
6310 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6312 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6314 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6318 /* Ensure scrollbar handle is at least 5 pixels. */
6319 vertical_scroll_bar_min_handle
= 5;
6321 /* For either kind of scroll bar, take account of the arrows; these
6322 effectively form the border of the main scroll bar range. */
6323 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6324 = GetSystemMetrics (SM_CYVSCROLL
);
6329 syms_of_w32term (void)
6331 staticpro (&w32_display_name_list
);
6332 w32_display_name_list
= Qnil
;
6334 staticpro (&last_mouse_scroll_bar
);
6335 last_mouse_scroll_bar
= Qnil
;
6337 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6339 DEFVAR_INT ("w32-num-mouse-buttons",
6340 w32_num_mouse_buttons
,
6341 doc
: /* Number of physical mouse buttons. */);
6342 w32_num_mouse_buttons
= 2;
6344 DEFVAR_LISP ("w32-swap-mouse-buttons",
6345 Vw32_swap_mouse_buttons
,
6346 doc
: /* Swap the mapping of middle and right mouse buttons.
6347 When nil, middle button is mouse-2 and right button is mouse-3. */);
6348 Vw32_swap_mouse_buttons
= Qnil
;
6350 DEFVAR_LISP ("w32-grab-focus-on-raise",
6351 Vw32_grab_focus_on_raise
,
6352 doc
: /* Raised frame grabs input focus.
6353 When t, `raise-frame' grabs input focus as well. This fits well
6354 with the normal Windows click-to-focus policy, but might not be
6355 desirable when using a point-to-focus policy. */);
6356 Vw32_grab_focus_on_raise
= Qt
;
6358 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6359 Vw32_capslock_is_shiftlock
,
6360 doc
: /* Apply CapsLock state to non character input keys.
6361 When nil, CapsLock only affects normal character input keys. */);
6362 Vw32_capslock_is_shiftlock
= Qnil
;
6364 DEFVAR_LISP ("w32-recognize-altgr",
6365 Vw32_recognize_altgr
,
6366 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6367 When nil, the right-alt and left-ctrl key combination is
6368 interpreted normally. */);
6369 Vw32_recognize_altgr
= Qt
;
6371 DEFVAR_BOOL ("w32-use-visible-system-caret",
6372 w32_use_visible_system_caret
,
6373 doc
: /* Flag to make the system caret visible.
6374 When this is non-nil, Emacs will indicate the position of point by
6375 using the system caret instead of drawing its own cursor. Some screen
6376 reader software does not track the system cursor properly when it is
6377 invisible, and gets confused by Emacs drawing its own cursor, so this
6378 variable is initialized to t when Emacs detects that screen reader
6379 software is running as it starts up.
6381 When this variable is set, other variables affecting the appearance of
6382 the cursor have no effect. */);
6384 w32_use_visible_system_caret
= 0;
6386 /* We don't yet support this, but defining this here avoids whining
6387 from cus-start.el and other places, like "M-x set-variable". */
6388 DEFVAR_BOOL ("x-use-underline-position-properties",
6389 x_use_underline_position_properties
,
6390 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6391 A value of nil means ignore them. If you encounter fonts with bogus
6392 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6393 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6394 to override the font's UNDERLINE_POSITION for small font display
6396 x_use_underline_position_properties
= 0;
6398 DEFVAR_BOOL ("x-underline-at-descent-line",
6399 x_underline_at_descent_line
,
6400 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6401 A value of nil means to draw the underline according to the value of the
6402 variable `x-use-underline-position-properties', which is usually at the
6403 baseline level. The default value is nil. */);
6404 x_underline_at_descent_line
= 0;
6406 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6407 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6408 A value of nil means Emacs doesn't use toolkit scroll bars.
6409 With the X Window system, the value is a symbol describing the
6410 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6411 With MS Windows, the value is t. */);
6412 Vx_toolkit_scroll_bars
= Qt
;
6414 staticpro (&last_mouse_motion_frame
);
6415 last_mouse_motion_frame
= Qnil
;