1 /* Implementation of GUI terminal on the Microsoft Windows API.
3 Copyright (C) 1989, 1993-2013 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/>. */
24 #include "blockinput.h"
36 #include "character.h"
40 #include "dispextern.h"
42 #include "termhooks.h"
49 #include "intervals.h"
59 #include <io.h> /* for get_osfhandle */
69 static int max_fringe_bmp
= 0;
70 static HBITMAP
*fringe_bmp
= 0;
72 /* Temporary variables for w32_read_socket. */
74 static int last_mousemove_x
= 0;
75 static int last_mousemove_y
= 0;
77 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
78 #ifndef GET_WHEEL_DELTA_WPARAM
79 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
82 /* Non-zero means that a HELP_EVENT has been generated since Emacs
85 static int any_help_event_p
;
87 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
88 static Lisp_Object last_window
;
90 extern unsigned int msh_mousewheel
;
92 extern void free_frame_menubar (struct frame
*);
94 extern int w32_codepage_for_font (char *fontname
);
95 extern Cursor
w32_load_cursor (LPCTSTR name
);
97 #define x_any_window_to_frame x_window_to_frame
98 #define x_top_window_to_frame x_window_to_frame
101 /* This is display since w32 does not support multiple ones. */
102 struct w32_display_info one_w32_display_info
;
103 struct w32_display_info
*x_display_list
;
105 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
106 one for each element of w32_display_list and in the same order.
107 NAME is the name of the frame.
108 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
109 Lisp_Object w32_display_name_list
;
112 #if _WIN32_WINNT < 0x0500 && !defined(_W64)
113 /* Pre Windows 2000, this was not available, but define it here so
114 that Emacs compiled on such a platform will run on newer versions.
115 MinGW64 (_W64) defines these unconditionally, so avoid redefining. */
117 typedef struct tagWCRANGE
123 typedef struct tagGLYPHSET
127 DWORD cGlyphsSupported
;
132 #endif /* compiling for pre-Win2k */
134 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
135 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
138 #define LWA_ALPHA 0x02
140 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
141 later targets by MSVC headers. */
142 #ifndef WS_EX_LAYERED
143 #define WS_EX_LAYERED 0x80000
146 /* SM_CXVIRTUALSCREEN and SM_CYVIRTUALSCREEN are not defined on 95 and
148 #ifndef SM_CXVIRTUALSCREEN
149 #define SM_CXVIRTUALSCREEN 78
151 #ifndef SM_CYVIRTUALSCREEN
152 #define SM_CYVIRTUALSCREEN 79
155 /* This is a frame waiting to be autoraised, within w32_read_socket. */
156 struct frame
*pending_autoraise_frame
;
158 /* The handle of the frame that currently owns the system caret. */
159 HWND w32_system_caret_hwnd
;
160 int w32_system_caret_height
;
161 int w32_system_caret_x
;
162 int w32_system_caret_y
;
163 struct window
*w32_system_caret_window
;
164 int w32_system_caret_hdr_height
;
165 int w32_system_caret_mode_height
;
166 DWORD dwWindowsThreadId
= 0;
167 HANDLE hWindowsThread
= NULL
;
168 DWORD dwMainThreadId
= 0;
169 HANDLE hMainThread
= NULL
;
171 int vertical_scroll_bar_min_handle
;
172 int vertical_scroll_bar_top_border
;
173 int vertical_scroll_bar_bottom_border
;
175 int last_scroll_bar_drag_pos
;
177 /* Keyboard code page - may be changed by language-change events. */
178 int w32_keyboard_codepage
;
180 /* Mouse movement. */
182 /* Where the mouse was last time we reported a mouse event. */
183 static RECT last_mouse_glyph
;
184 static FRAME_PTR last_mouse_glyph_frame
;
186 /* The scroll bar in which the last motion event occurred.
188 If the last motion event occurred in a scroll bar, we set this
189 so w32_mouse_position can know whether to report a scroll bar motion or
192 If the last motion event didn't occur in a scroll bar, we set this
193 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
194 static Lisp_Object last_mouse_scroll_bar
;
195 static int last_mouse_scroll_bar_pos
;
197 /* This is a hack. We would really prefer that w32_mouse_position would
198 return the time associated with the position it returns, but there
199 doesn't seem to be any way to wrest the time-stamp from the server
200 along with the position query. So, we just keep track of the time
201 of the last movement we received, and return that in hopes that
202 it's somewhat accurate. */
203 static Time last_mouse_movement_time
;
205 /* Incremented by w32_read_socket whenever it really tries to read
207 static int volatile input_signal_count
;
210 int w32_message_fd
= -1;
213 static void x_update_window_end (struct window
*, int, int);
214 static void w32_handle_tool_bar_click (struct frame
*,
215 struct input_event
*);
216 static void w32_define_cursor (Window
, Cursor
);
218 void x_lower_frame (struct frame
*);
219 void x_scroll_bar_clear (struct frame
*);
220 void x_wm_set_size_hint (struct frame
*, long, bool);
221 void x_raise_frame (struct frame
*);
222 void x_set_window_size (struct frame
*, int, int, int);
223 void x_wm_set_window_state (struct frame
*, int);
224 void x_wm_set_icon_pixmap (struct frame
*, int);
225 static void w32_initialize (void);
226 static void x_update_end (struct frame
*);
227 static void w32_frame_up_to_date (struct frame
*);
228 static void w32_set_terminal_modes (struct terminal
*);
229 static void w32_reset_terminal_modes (struct terminal
*);
230 static void x_clear_frame (struct frame
*);
231 static void frame_highlight (struct frame
*);
232 static void frame_unhighlight (struct frame
*);
233 static void x_new_focus_frame (struct w32_display_info
*,
235 static void x_focus_changed (int, int, struct w32_display_info
*,
236 struct frame
*, struct input_event
*);
237 static void w32_detect_focus_change (struct w32_display_info
*,
238 W32Msg
*, struct input_event
*);
239 static void w32_frame_rehighlight (struct frame
*);
240 static void x_frame_rehighlight (struct w32_display_info
*);
241 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
242 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
243 enum text_cursor_kinds
);
244 static void w32_clip_to_row (struct window
*, struct glyph_row
*, int, HDC
);
245 static BOOL
my_show_window (struct frame
*, HWND
, int);
246 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
248 static void my_set_focus (struct frame
*, HWND
);
250 static void my_set_foreground_window (HWND
);
251 static void my_destroy_window (struct frame
*, HWND
);
252 static void w32fullscreen_hook (FRAME_PTR
);
255 static void x_check_font (struct frame
*, struct font
*);
258 static Lisp_Object Qvendor_specific_keysyms
;
259 static Lisp_Object Qadded
, Qremoved
, Qmodified
;
260 static Lisp_Object Qrenamed_from
, Qrenamed_to
;
263 /***********************************************************************
265 ***********************************************************************/
269 /* This is a function useful for recording debugging information about
270 the sequence of occurrences in this file. */
278 struct record event_record
[100];
280 int event_record_index
;
282 record_event (char *locus
, int type
)
284 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
285 event_record_index
= 0;
287 event_record
[event_record_index
].locus
= locus
;
288 event_record
[event_record_index
].type
= type
;
289 event_record_index
++;
296 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
299 if (mask
& GCForeground
)
300 gc
->foreground
= xgcv
->foreground
;
301 if (mask
& GCBackground
)
302 gc
->background
= xgcv
->background
;
304 gc
->font
= xgcv
->font
;
308 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
310 XGCValues
*gc
= xzalloc (sizeof (XGCValues
));
312 XChangeGC (ignore
, gc
, mask
, xgcv
);
318 XGetGCValues (void *ignore
, XGCValues
*gc
,
319 unsigned long mask
, XGCValues
*xgcv
)
321 XChangeGC (ignore
, xgcv
, mask
, gc
);
325 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
329 HRGN clip_region
= CreateRectRgnIndirect (rect
);
330 SelectClipRgn (hdc
, clip_region
);
331 DeleteObject (clip_region
);
334 SelectClipRgn (hdc
, NULL
);
337 /* Restore clipping rectangle in S */
339 w32_restore_glyph_string_clip (struct glyph_string
*s
)
342 int n
= s
->num_clips
;
345 w32_set_clip_rectangle (s
->hdc
, r
);
348 HRGN clip1
= CreateRectRgnIndirect (r
);
349 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
350 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
351 SelectClipRgn (s
->hdc
, clip1
);
352 DeleteObject (clip1
);
353 DeleteObject (clip2
);
358 Draw a wavy line under S. The wave fills wave_height pixels from y0.
364 wave_height = 3 | * * * *
369 w32_draw_underwave (struct glyph_string
*s
, COLORREF color
)
371 int wave_height
= 3, wave_length
= 2;
372 int dx
, dy
, x0
, y0
, width
, x1
, y1
, x2
, y2
, odd
, xmax
;
373 XRectangle wave_clip
, string_clip
, final_clip
;
374 RECT w32_final_clip
, w32_string_clip
;
378 dy
= wave_height
- 1;
380 y0
= s
->ybase
- wave_height
+ 3;
384 /* Find and set clipping rectangle */
388 wave_clip
.width
= width
;
389 wave_clip
.height
= wave_height
;
391 get_glyph_string_clip_rect (s
, &w32_string_clip
);
392 CONVERT_TO_XRECT (string_clip
, w32_string_clip
);
394 if (!x_intersect_rectangles (&wave_clip
, &string_clip
, &final_clip
))
397 hp
= CreatePen (PS_SOLID
, 0, color
);
398 oldhp
= SelectObject (s
->hdc
, hp
);
399 CONVERT_FROM_XRECT (final_clip
, w32_final_clip
);
400 w32_set_clip_rectangle (s
->hdc
, &w32_final_clip
);
414 MoveToEx (s
->hdc
, x1
, y1
, NULL
);
418 LineTo (s
->hdc
, x2
, y2
);
420 x2
+= dx
, y2
= y0
+ odd
*dy
;
424 /* Restore previous pen and clipping rectangle(s) */
425 w32_restore_glyph_string_clip (s
);
426 SelectObject (s
->hdc
, oldhp
);
430 /* Draw a hollow rectangle at the specified position. */
432 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
433 int width
, int height
)
438 hb
= CreateSolidBrush (gc
->background
);
439 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
440 oldhb
= SelectObject (hdc
, hb
);
441 oldhp
= SelectObject (hdc
, hp
);
443 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
445 SelectObject (hdc
, oldhb
);
446 SelectObject (hdc
, oldhp
);
451 /* Draw a filled rectangle at the specified position. */
453 w32_fill_rect (FRAME_PTR f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
457 hb
= CreateSolidBrush (pix
);
458 FillRect (hdc
, lprect
, hb
);
463 w32_clear_window (FRAME_PTR f
)
466 HDC hdc
= get_frame_dc (f
);
468 /* Under certain conditions, this can be called at startup with
469 a console frame pointer before the GUI frame is created. An HDC
470 of 0 indicates this. */
473 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
474 w32_clear_rect (f
, hdc
, &rect
);
477 release_frame_dc (f
, hdc
);
480 #define OPAQUE_FRAME 255
483 x_set_frame_alpha (struct frame
*f
)
485 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
487 double alpha_min
= 1.0;
490 HWND window
= FRAME_W32_WINDOW (f
);
492 /* Older versions of Windows do not support transparency. */
493 if (!pfnSetLayeredWindowAttributes
)
496 if (dpyinfo
->x_highlight_frame
== f
)
501 if (FLOATP (Vframe_alpha_lower_limit
))
502 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
503 else if (INTEGERP (Vframe_alpha_lower_limit
))
504 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
508 else if (alpha
> 1.0)
510 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
513 opac
= alpha
* OPAQUE_FRAME
;
515 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
517 if (opac
== OPAQUE_FRAME
)
518 ex_style
&= ~WS_EX_LAYERED
;
520 ex_style
|= WS_EX_LAYERED
;
522 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
524 if (opac
!= OPAQUE_FRAME
)
525 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
529 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
531 int pixels
= GetSystemMetrics (SM_CYVIRTUALSCREEN
);
534 /* Fallback for Windows 95 or NT 4.0. */
535 pixels
= GetSystemMetrics (SM_CYSCREEN
);
541 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
543 int pixels
= GetSystemMetrics (SM_CXVIRTUALSCREEN
);
546 /* Fallback for Windows 95 or NT 4.0. */
547 pixels
= GetSystemMetrics (SM_CXSCREEN
);
553 /***********************************************************************
554 Starting and ending an update
555 ***********************************************************************/
557 /* Start an update of frame F. This function is installed as a hook
558 for update_begin, i.e. it is called when update_begin is called.
559 This function is called prior to calls to x_update_window_begin for
560 each window being updated. */
563 x_update_begin (struct frame
*f
)
565 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
567 if (! FRAME_W32_P (f
))
570 /* Regenerate display palette before drawing if list of requested
571 colors has changed. */
572 if (display_info
->regen_palette
)
574 w32_regenerate_palette (f
);
575 display_info
->regen_palette
= FALSE
;
580 /* Start update of window W. Set the global variable updated_window
581 to the window being updated and set output_cursor to the cursor
585 x_update_window_begin (struct window
*w
)
587 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
588 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
590 /* Hide the system caret during an update. */
591 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
593 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
597 set_output_cursor (&w
->cursor
);
601 if (f
== hlinfo
->mouse_face_mouse_frame
)
603 /* Don't do highlighting for mouse motion during the update. */
604 hlinfo
->mouse_face_defer
= 1;
606 /* If F needs to be redrawn, simply forget about any prior mouse
608 if (FRAME_GARBAGED_P (f
))
609 hlinfo
->mouse_face_window
= Qnil
;
611 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
612 their mouse_face_p flag set, which means that they are always
613 unequal to rows in a desired matrix which never have that
614 flag set. So, rows containing mouse-face glyphs are never
615 scrolled, and we don't have to switch the mouse highlight off
616 here to prevent it from being scrolled. */
618 /* Can we tell that this update does not affect the window
619 where the mouse highlight is? If so, no need to turn off.
620 Likewise, don't do anything if the frame is garbaged;
621 in that case, the frame's current matrix that we would use
622 is all wrong, and we will redisplay that line anyway. */
623 if (!NILP (hlinfo
->mouse_face_window
)
624 && w
== XWINDOW (hlinfo
->mouse_face_window
))
628 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
629 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
632 if (i
< w
->desired_matrix
->nrows
)
633 clear_mouse_face (hlinfo
);
641 /* Draw a vertical window border from (x,y0) to (x,y1) */
644 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
646 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
656 hdc
= get_frame_dc (f
);
657 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
659 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
661 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
663 release_frame_dc (f
, hdc
);
667 /* End update of window W (which is equal to updated_window).
669 Draw vertical borders between horizontally adjacent windows, and
670 display W's cursor if CURSOR_ON_P is non-zero.
672 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
673 glyphs in mouse-face were overwritten. In that case we have to
674 make sure that the mouse-highlight is properly redrawn.
676 W may be a menu bar pseudo-window in case we don't have X toolkit
677 support. Such windows don't have a cursor, so don't display it
681 x_update_window_end (struct window
*w
, int cursor_on_p
,
682 int mouse_face_overwritten_p
)
684 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (XFRAME (w
->frame
));
686 if (!w
->pseudo_window_p
)
691 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
693 output_cursor
.x
, output_cursor
.y
);
695 if (draw_window_fringes (w
, 1))
696 x_draw_vertical_border (w
);
701 /* If a row with mouse-face was overwritten, arrange for
702 XTframe_up_to_date to redisplay the mouse highlight. */
703 if (mouse_face_overwritten_p
)
705 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
706 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
707 hlinfo
->mouse_face_window
= Qnil
;
710 /* Unhide the caret. This won't actually show the cursor, unless it
711 was visible before the corresponding call to HideCaret in
712 x_update_window_begin. */
713 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
715 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
718 updated_window
= NULL
;
722 /* End update of frame F. This function is installed as a hook in
726 x_update_end (struct frame
*f
)
728 if (! FRAME_W32_P (f
))
731 /* Mouse highlight may be displayed again. */
732 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
736 /* This function is called from various places in xdisp.c whenever a
737 complete update has been performed. The global variable
738 updated_window is not available here. */
741 w32_frame_up_to_date (struct frame
*f
)
744 FRAME_MOUSE_UPDATE (f
);
748 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
749 arrow bitmaps, or clear the fringes if no bitmaps are required
750 before DESIRED_ROW is made current. The window being updated is
751 found in updated_window. This function is called from
752 update_window_line only if it is known that there are differences
753 between bitmaps to be drawn between current row and DESIRED_ROW. */
756 x_after_update_window_line (struct glyph_row
*desired_row
)
758 struct window
*w
= updated_window
;
764 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
765 desired_row
->redraw_fringe_bitmaps_p
= 1;
767 /* When a window has disappeared, make sure that no rest of
768 full-width rows stays visible in the internal border. Could
769 check here if updated_window is the leftmost/rightmost window,
770 but I guess it's not worth doing since vertically split windows
771 are almost never used, internal border is rarely set, and the
772 overhead is very small. */
773 if (windows_or_buffers_changed
774 && desired_row
->full_width_p
775 && (f
= XFRAME (w
->frame
),
776 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
778 && (height
= desired_row
->visible_height
,
781 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
785 HDC hdc
= get_frame_dc (f
);
786 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
787 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
789 release_frame_dc (f
, hdc
);
796 /* Draw the bitmap WHICH in one of the left or right fringes of
797 window W. ROW is the glyph row for which to display the bitmap; it
798 determines the vertical position at which the bitmap has to be
802 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
803 struct draw_fringe_bitmap_params
*p
)
805 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
807 struct face
*face
= p
->face
;
809 hdc
= get_frame_dc (f
);
813 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
815 /* If the fringe is adjacent to the left (right) scroll bar of a
816 leftmost (rightmost, respectively) window, then extend its
817 background to the gap between the fringe and the bar. */
818 if ((WINDOW_LEFTMOST_P (w
)
819 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
820 || (WINDOW_RIGHTMOST_P (w
)
821 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
823 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
827 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
828 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
829 * FRAME_COLUMN_WIDTH (f
));
833 /* Bitmap fills the fringe. */
834 if (bar_area_x
+ bar_area_width
== p
->x
)
835 bx
= bar_area_x
+ sb_width
;
836 else if (p
->x
+ p
->wd
== bar_area_x
)
840 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
842 nx
= bar_area_width
- sb_width
;
843 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
845 ny
= row
->visible_height
;
850 if (bar_area_x
+ bar_area_width
== bx
)
852 bx
= bar_area_x
+ sb_width
;
853 nx
+= bar_area_width
- sb_width
;
855 else if (bx
+ nx
== bar_area_x
)
856 nx
+= bar_area_width
- sb_width
;
861 if (bx
>= 0 && nx
> 0)
862 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
865 /* Must clip because of partially visible lines. */
866 w32_clip_to_row (w
, row
, -1, hdc
);
868 if (p
->which
&& p
->which
< max_fringe_bmp
)
870 HBITMAP pixmap
= fringe_bmp
[p
->which
];
874 compat_hdc
= CreateCompatibleDC (hdc
);
878 horig_obj
= SelectObject (compat_hdc
, pixmap
);
880 /* Paint overlays transparently. */
883 HBRUSH h_brush
, h_orig_brush
;
885 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
886 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
887 h_brush
= CreateSolidBrush (face
->foreground
);
888 h_orig_brush
= SelectObject (hdc
, h_brush
);
890 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
891 compat_hdc
, 0, p
->dh
,
893 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
894 compat_hdc
, 0, p
->dh
,
896 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
897 compat_hdc
, 0, p
->dh
,
900 SelectObject (hdc
, h_orig_brush
);
901 DeleteObject (h_brush
);
905 SetTextColor (hdc
, face
->background
);
906 SetBkColor (hdc
, (p
->cursor_p
907 ? f
->output_data
.w32
->cursor_pixel
908 : face
->foreground
));
910 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
911 compat_hdc
, 0, p
->dh
,
915 SelectObject (compat_hdc
, horig_obj
);
916 DeleteDC (compat_hdc
);
920 w32_set_clip_rectangle (hdc
, NULL
);
922 release_frame_dc (f
, hdc
);
926 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
928 if (which
>= max_fringe_bmp
)
930 int i
= max_fringe_bmp
;
931 max_fringe_bmp
= which
+ 20;
932 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
933 while (i
< max_fringe_bmp
)
937 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
941 w32_destroy_fringe_bitmap (int which
)
943 if (which
>= max_fringe_bmp
)
946 if (fringe_bmp
[which
])
947 DeleteObject (fringe_bmp
[which
]);
948 fringe_bmp
[which
] = 0;
953 /* This is called when starting Emacs and when restarting after
954 suspend. When starting Emacs, no window is mapped. And nothing
955 must be done to Emacs's own window if it is suspended (though that
959 w32_set_terminal_modes (struct terminal
*term
)
963 /* This is called when exiting or suspending Emacs. Exiting will make
964 the W32 windows go away, and suspending requires no action. */
967 w32_reset_terminal_modes (struct terminal
*term
)
973 /***********************************************************************
975 ***********************************************************************/
977 /* Function prototypes of this page. */
979 static void x_set_glyph_string_clipping (struct glyph_string
*);
980 static void x_set_glyph_string_gc (struct glyph_string
*);
981 static void x_draw_glyph_string_background (struct glyph_string
*,
983 static void x_draw_glyph_string_foreground (struct glyph_string
*);
984 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
985 static void x_draw_glyph_string_box (struct glyph_string
*);
986 static void x_draw_glyph_string (struct glyph_string
*);
987 static void x_set_cursor_gc (struct glyph_string
*);
988 static void x_set_mode_line_face_gc (struct glyph_string
*);
989 static void x_set_mouse_face_gc (struct glyph_string
*);
990 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
991 static void w32_setup_relief_color (struct frame
*, struct relief
*,
992 double, int, COLORREF
);
993 static void x_setup_relief_colors (struct glyph_string
*);
994 static void x_draw_image_glyph_string (struct glyph_string
*);
995 static void x_draw_image_relief (struct glyph_string
*);
996 static void x_draw_image_foreground (struct glyph_string
*);
997 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
998 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
1000 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
1001 int, int, int, int, int, int,
1003 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
1004 int, int, int, RECT
*);
1007 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1011 x_set_cursor_gc (struct glyph_string
*s
)
1013 if (s
->font
== FRAME_FONT (s
->f
)
1014 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1015 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1017 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1020 /* Cursor on non-default face: must merge. */
1024 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1025 xgcv
.foreground
= s
->face
->background
;
1027 /* If the glyph would be invisible, try a different foreground. */
1028 if (xgcv
.foreground
== xgcv
.background
)
1029 xgcv
.foreground
= s
->face
->foreground
;
1030 if (xgcv
.foreground
== xgcv
.background
)
1031 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1032 if (xgcv
.foreground
== xgcv
.background
)
1033 xgcv
.foreground
= s
->face
->foreground
;
1035 /* Make sure the cursor is distinct from text in this face. */
1036 if (xgcv
.background
== s
->face
->background
1037 && xgcv
.foreground
== s
->face
->foreground
)
1039 xgcv
.background
= s
->face
->foreground
;
1040 xgcv
.foreground
= s
->face
->background
;
1043 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1044 xgcv
.font
= s
->font
;
1045 mask
= GCForeground
| GCBackground
| GCFont
;
1047 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1048 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1051 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1052 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1054 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1059 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1062 x_set_mouse_face_gc (struct glyph_string
*s
)
1067 /* What face has to be used last for the mouse face? */
1068 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
1069 face
= FACE_FROM_ID (s
->f
, face_id
);
1071 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1073 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1074 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1076 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1077 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1078 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1080 /* If font in this face is same as S->font, use it. */
1081 if (s
->font
== s
->face
->font
)
1082 s
->gc
= s
->face
->gc
;
1085 /* Otherwise construct scratch_cursor_gc with values from FACE
1090 xgcv
.background
= s
->face
->background
;
1091 xgcv
.foreground
= s
->face
->foreground
;
1092 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1093 xgcv
.font
= s
->font
;
1094 mask
= GCForeground
| GCBackground
| GCFont
;
1096 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1097 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1100 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1101 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1103 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1106 eassert (s
->gc
!= 0);
1110 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1111 Faces to use in the mode line have already been computed when the
1112 matrix was built, so there isn't much to do, here. */
1115 x_set_mode_line_face_gc (struct glyph_string
*s
)
1117 s
->gc
= s
->face
->gc
;
1121 /* Set S->gc of glyph string S for drawing that glyph string. Set
1122 S->stippled_p to a non-zero value if the face of S has a stipple
1126 x_set_glyph_string_gc (struct glyph_string
*s
)
1128 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1130 if (s
->hl
== DRAW_NORMAL_TEXT
)
1132 s
->gc
= s
->face
->gc
;
1133 s
->stippled_p
= s
->face
->stipple
!= 0;
1135 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1137 x_set_mode_line_face_gc (s
);
1138 s
->stippled_p
= s
->face
->stipple
!= 0;
1140 else if (s
->hl
== DRAW_CURSOR
)
1142 x_set_cursor_gc (s
);
1145 else if (s
->hl
== DRAW_MOUSE_FACE
)
1147 x_set_mouse_face_gc (s
);
1148 s
->stippled_p
= s
->face
->stipple
!= 0;
1150 else if (s
->hl
== DRAW_IMAGE_RAISED
1151 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1153 s
->gc
= s
->face
->gc
;
1154 s
->stippled_p
= s
->face
->stipple
!= 0;
1158 s
->gc
= s
->face
->gc
;
1159 s
->stippled_p
= s
->face
->stipple
!= 0;
1162 /* GC must have been set. */
1163 eassert (s
->gc
!= 0);
1167 /* Set clipping for output of glyph string S. S may be part of a mode
1168 line or menu if we don't have X toolkit support. */
1171 x_set_glyph_string_clipping (struct glyph_string
*s
)
1174 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1177 w32_set_clip_rectangle (s
->hdc
, r
);
1180 HRGN clip1
= CreateRectRgnIndirect (r
);
1181 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1182 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1183 SelectClipRgn (s
->hdc
, clip1
);
1184 DeleteObject (clip1
);
1185 DeleteObject (clip2
);
1190 /* Set SRC's clipping for output of glyph string DST. This is called
1191 when we are drawing DST's left_overhang or right_overhang only in
1195 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1196 struct glyph_string
*dst
)
1201 r
.right
= r
.left
+ src
->width
;
1203 r
.bottom
= r
.top
+ src
->height
;
1206 w32_set_clip_rectangle (dst
->hdc
, &r
);
1210 Compute left and right overhang of glyph string S. */
1213 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1216 && s
->first_glyph
->type
== CHAR_GLYPH
1217 && !s
->font_not_found_p
)
1219 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1220 struct font
*font
= s
->font
;
1221 struct font_metrics metrics
;
1224 for (i
= 0; i
< s
->nchars
; i
++)
1225 code
[i
] = s
->char2b
[i
];
1226 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1227 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1228 ? metrics
.rbearing
- metrics
.width
: 0);
1229 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1233 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1234 s
->left_overhang
= -s
->cmp
->lbearing
;
1238 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1241 x_clear_glyph_string_rect (struct glyph_string
*s
,
1242 int x
, int y
, int w
, int h
)
1249 /* Take clipping into account. */
1250 if (s
->gc
->clip_mask
== Rect
)
1252 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1253 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1254 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1255 - s
->gc
->clip_rectangle
.left
);
1256 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1257 - s
->gc
->clip_rectangle
.top
);
1260 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1265 /* Draw the background of glyph_string S. If S->background_filled_p
1266 is non-zero don't draw it. FORCE_P non-zero means draw the
1267 background even if it wouldn't be drawn normally. This is used
1268 when a string preceding S draws into the background of S, or S
1269 contains the first component of a composition. */
1272 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1274 /* Nothing to do if background has already been drawn or if it
1275 shouldn't be drawn in the first place. */
1276 if (!s
->background_filled_p
)
1278 int box_line_width
= max (s
->face
->box_line_width
, 0);
1280 #if 0 /* TODO: stipple */
1283 /* Fill background with a stipple pattern. */
1284 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1285 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1286 s
->y
+ box_line_width
,
1287 s
->background_width
,
1288 s
->height
- 2 * box_line_width
);
1289 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1290 s
->background_filled_p
= 1;
1294 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1295 || s
->font_not_found_p
1296 || s
->extends_to_end_of_line_p
1299 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1300 s
->background_width
,
1301 s
->height
- 2 * box_line_width
);
1302 s
->background_filled_p
= 1;
1308 /* Draw the foreground of glyph string S. */
1311 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1315 /* If first glyph of S has a left box line, start drawing the text
1316 of S to the right of that box line. */
1317 if (s
->face
->box
!= FACE_NO_BOX
1318 && s
->first_glyph
->left_box_line_p
)
1319 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1323 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1324 SetBkColor (s
->hdc
, s
->gc
->background
);
1325 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1327 /* Draw characters of S as rectangles if S's font could not be
1329 if (s
->font_not_found_p
)
1331 for (i
= 0; i
< s
->nchars
; ++i
)
1333 struct glyph
*g
= s
->first_glyph
+ i
;
1335 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1337 x
+= g
->pixel_width
;
1342 struct font
*font
= s
->font
;
1343 int boff
= font
->baseline_offset
;
1347 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1349 if (font
->vertical_centering
)
1350 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1352 y
= s
->ybase
- boff
;
1354 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1355 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1357 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1358 if (s
->face
->overstrike
)
1359 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1361 SelectObject (s
->hdc
, old_font
);
1365 /* Draw the foreground of composite glyph string S. */
1368 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1371 struct font
*font
= s
->font
;
1373 /* If first glyph of S has a left box line, start drawing the text
1374 of S to the right of that box line. */
1375 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1376 && s
->first_glyph
->left_box_line_p
)
1377 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1381 /* S is a glyph string for a composition. S->cmp_from is the index
1382 of the first character drawn for glyphs of this composition.
1383 S->cmp_from == 0 means we are drawing the very first character of
1384 this composition. */
1386 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1387 SetBkColor (s
->hdc
, s
->gc
->background
);
1388 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1390 /* Draw a rectangle for the composition if the font for the very
1391 first character of the composition could not be loaded. */
1392 if (s
->font_not_found_p
)
1394 if (s
->cmp_from
== 0)
1395 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1398 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1403 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1405 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1406 /* TAB in a composition means display glyphs with padding
1407 space on the left or right. */
1408 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1410 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1411 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1413 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1414 if (s
->face
->overstrike
)
1415 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1417 SelectObject (s
->hdc
, old_font
);
1421 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1427 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1429 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1431 glyph
= LGSTRING_GLYPH (gstring
, i
);
1432 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1433 width
+= LGLYPH_WIDTH (glyph
);
1436 int xoff
, yoff
, wadjust
;
1440 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1443 xoff
= LGLYPH_XOFF (glyph
);
1444 yoff
= LGLYPH_YOFF (glyph
);
1445 wadjust
= LGLYPH_WADJUST (glyph
);
1446 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1453 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1455 SelectObject (s
->hdc
, old_font
);
1460 /* Draw the foreground of glyph string S for glyphless characters. */
1463 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1465 struct glyph
*glyph
= s
->first_glyph
;
1468 int with_background
;
1470 /* If first glyph of S has a left box line, start drawing the text
1471 of S to the right of that box line. */
1472 if (s
->face
->box
!= FACE_NO_BOX
1473 && s
->first_glyph
->left_box_line_p
)
1474 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1478 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1479 SetBkColor (s
->hdc
, s
->gc
->background
);
1480 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1483 with_background
= ! (s
->for_overlaps
1484 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1485 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1487 char buf
[7], *str
= NULL
;
1488 int len
= glyph
->u
.glyphless
.len
;
1490 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1493 && CHAR_TABLE_P (Vglyphless_char_display
)
1494 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1498 = (! glyph
->u
.glyphless
.for_no_font
1499 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1500 glyph
->u
.glyphless
.ch
)
1501 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1502 if (STRINGP (acronym
))
1503 str
= SSDATA (acronym
);
1506 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1508 sprintf ((char *) buf
, "%0*X",
1509 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1510 glyph
->u
.glyphless
.ch
);
1514 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1515 w32_draw_rectangle (s
->hdc
, s
->gc
,
1516 x
, s
->ybase
- glyph
->ascent
,
1517 glyph
->pixel_width
- 1,
1518 glyph
->ascent
+ glyph
->descent
- 1);
1521 struct font
*font
= s
->font
;
1522 int upper_len
= (len
+ 1) / 2;
1526 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1527 /* It is certain that all LEN characters in STR are ASCII. */
1528 for (j
= 0; j
< len
; j
++)
1530 code
= font
->driver
->encode_char (font
, str
[j
]);
1531 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1533 font
->driver
->draw (s
, 0, upper_len
,
1534 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1535 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1537 font
->driver
->draw (s
, upper_len
, len
,
1538 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1539 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1541 SelectObject (s
->hdc
, old_font
);
1543 x
+= glyph
->pixel_width
;
1548 /* Brightness beyond which a color won't have its highlight brightness
1551 Nominally, highlight colors for `3d' faces are calculated by
1552 brightening an object's color by a constant scale factor, but this
1553 doesn't yield good results for dark colors, so for colors whose
1554 brightness is less than this value (on a scale of 0-255) have to
1555 use an additional additive factor.
1557 The value here is set so that the default menu-bar/mode-line color
1558 (grey75) will not have its highlights changed at all. */
1559 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1562 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1563 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1564 If this produces the same color as COLOR, try a color where all RGB
1565 values have DELTA added. Return the allocated color in *COLOR.
1566 DISPLAY is the X display, CMAP is the colormap to operate on.
1567 Value is non-zero if successful. */
1570 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1571 double factor
, int delta
)
1576 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1579 /* Change RGB values by specified FACTOR. Avoid overflow! */
1580 eassert (factor
>= 0);
1581 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1582 min (0xff, factor
* GetGValue (*color
)),
1583 min (0xff, factor
* GetBValue (*color
)));
1585 /* Calculate brightness of COLOR. */
1586 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1587 + GetBValue (*color
)) / 6;
1589 /* We only boost colors that are darker than
1590 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1591 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1592 /* Make an additive adjustment to NEW, because it's dark enough so
1593 that scaling by FACTOR alone isn't enough. */
1595 /* How far below the limit this color is (0 - 1, 1 being darker). */
1596 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1597 /* The additive adjustment. */
1598 int min_delta
= delta
* dimness
* factor
/ 2;
1601 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1602 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1603 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1605 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1606 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1607 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1611 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1612 max (0, min (0xff, delta
+ GetGValue (*color
))),
1613 max (0, min (0xff, delta
+ GetBValue (*color
))));
1615 /* TODO: Map to palette and retry with delta if same? */
1616 /* TODO: Free colors (if using palette)? */
1626 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1627 colors in COLORS. On W32, we no longer try to map colors to
1630 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1634 for (i
= 0; i
< ncolors
; i
++)
1636 DWORD pixel
= colors
[i
].pixel
;
1637 /* Convert to a 16 bit value in range 0 - 0xffff. */
1638 colors
[i
].red
= GetRValue (pixel
) * 257;
1639 colors
[i
].green
= GetGValue (pixel
) * 257;
1640 colors
[i
].blue
= GetBValue (pixel
) * 257;
1645 x_query_color (struct frame
*f
, XColor
*color
)
1647 x_query_colors (f
, color
, 1);
1651 /* Set up the foreground color for drawing relief lines of glyph
1652 string S. RELIEF is a pointer to a struct relief containing the GC
1653 with which lines will be drawn. Use a color that is FACTOR or
1654 DELTA lighter or darker than the relief's background which is found
1655 in S->f->output_data.x->relief_background. If such a color cannot
1656 be allocated, use DEFAULT_PIXEL, instead. */
1659 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1660 int delta
, COLORREF default_pixel
)
1663 struct w32_output
*di
= f
->output_data
.w32
;
1664 unsigned long mask
= GCForeground
;
1666 COLORREF background
= di
->relief_background
;
1667 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1669 /* TODO: Free colors (if using palette)? */
1671 /* Allocate new color. */
1672 xgcv
.foreground
= default_pixel
;
1674 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1676 relief
->allocated_p
= 1;
1677 xgcv
.foreground
= relief
->pixel
= pixel
;
1680 if (relief
->gc
== 0)
1682 #if 0 /* TODO: stipple */
1683 xgcv
.stipple
= dpyinfo
->gray
;
1686 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1689 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1693 /* Set up colors for the relief lines around glyph string S. */
1696 x_setup_relief_colors (struct glyph_string
*s
)
1698 struct w32_output
*di
= s
->f
->output_data
.w32
;
1701 if (s
->face
->use_box_color_for_shadows_p
)
1702 color
= s
->face
->box_color
;
1703 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1705 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1706 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1708 color
= s
->gc
->background
;
1710 if (di
->white_relief
.gc
== 0
1711 || color
!= di
->relief_background
)
1713 di
->relief_background
= color
;
1714 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1715 WHITE_PIX_DEFAULT (s
->f
));
1716 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1717 BLACK_PIX_DEFAULT (s
->f
));
1722 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1723 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1724 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1725 relief. LEFT_P non-zero means draw a relief on the left side of
1726 the rectangle. RIGHT_P non-zero means draw a relief on the right
1727 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1731 w32_draw_relief_rect (struct frame
*f
,
1732 int left_x
, int top_y
, int right_x
, int bottom_y
,
1733 int width
, int raised_p
,
1734 int top_p
, int bot_p
, int left_p
, int right_p
,
1739 HDC hdc
= get_frame_dc (f
);
1742 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1744 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1746 w32_set_clip_rectangle (hdc
, clip_rect
);
1750 for (i
= 0; i
< width
; ++i
)
1751 w32_fill_area (f
, hdc
, gc
.foreground
,
1752 left_x
+ i
* left_p
, top_y
+ i
,
1753 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1757 for (i
= 0; i
< width
; ++i
)
1758 w32_fill_area (f
, hdc
, gc
.foreground
,
1759 left_x
+ i
, top_y
+ (i
+ 1) * top_p
, 1,
1760 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1763 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1765 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1769 for (i
= 0; i
< width
; ++i
)
1770 w32_fill_area (f
, hdc
, gc
.foreground
,
1771 left_x
+ i
* left_p
, bottom_y
- i
,
1772 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1776 for (i
= 0; i
< width
; ++i
)
1777 w32_fill_area (f
, hdc
, gc
.foreground
,
1778 right_x
- i
, top_y
+ (i
+ 1) * top_p
, 1,
1779 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1781 w32_set_clip_rectangle (hdc
, NULL
);
1783 release_frame_dc (f
, hdc
);
1787 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1788 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1789 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1790 left side of the rectangle. RIGHT_P non-zero means draw a line
1791 on the right side of the rectangle. CLIP_RECT is the clipping
1792 rectangle to use when drawing. */
1795 w32_draw_box_rect (struct glyph_string
*s
,
1796 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1797 int left_p
, int right_p
, RECT
*clip_rect
)
1799 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1802 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1803 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1808 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1809 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1813 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1814 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1819 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1820 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1823 w32_set_clip_rectangle (s
->hdc
, NULL
);
1827 /* Draw a box around glyph string S. */
1830 x_draw_glyph_string_box (struct glyph_string
*s
)
1832 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1833 int left_p
, right_p
;
1834 struct glyph
*last_glyph
;
1837 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1838 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1839 : window_box_right (s
->w
, s
->area
));
1841 /* The glyph that may have a right box line. */
1842 last_glyph
= (s
->cmp
|| s
->img
1844 : s
->first_glyph
+ s
->nchars
- 1);
1846 width
= eabs (s
->face
->box_line_width
);
1847 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1849 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1851 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1853 bottom_y
= top_y
+ s
->height
- 1;
1855 left_p
= (s
->first_glyph
->left_box_line_p
1856 || (s
->hl
== DRAW_MOUSE_FACE
1858 || s
->prev
->hl
!= s
->hl
)));
1859 right_p
= (last_glyph
->right_box_line_p
1860 || (s
->hl
== DRAW_MOUSE_FACE
1862 || s
->next
->hl
!= s
->hl
)));
1864 get_glyph_string_clip_rect (s
, &clip_rect
);
1866 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1867 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1868 left_p
, right_p
, &clip_rect
);
1871 x_setup_relief_colors (s
);
1872 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1873 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1878 /* Draw foreground of image glyph string S. */
1881 x_draw_image_foreground (struct glyph_string
*s
)
1884 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1886 /* If first glyph of S has a left box line, start drawing it to the
1887 right of that line. */
1888 if (s
->face
->box
!= FACE_NO_BOX
1889 && s
->first_glyph
->left_box_line_p
1891 x
+= eabs (s
->face
->box_line_width
);
1893 /* If there is a margin around the image, adjust x- and y-position
1895 if (s
->slice
.x
== 0)
1896 x
+= s
->img
->hmargin
;
1897 if (s
->slice
.y
== 0)
1898 y
+= s
->img
->vmargin
;
1904 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1905 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1906 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1907 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1908 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1909 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1910 x_set_glyph_string_clipping (s
);
1914 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1915 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1917 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1918 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1920 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1921 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1922 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1923 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1924 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1925 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1927 SelectObject (mask_dc
, mask_orig_obj
);
1932 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1933 SetBkColor (s
->hdc
, s
->gc
->background
);
1935 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1936 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1938 /* When the image has a mask, we can expect that at
1939 least part of a mouse highlight or a block cursor will
1940 be visible. If the image doesn't have a mask, make
1941 a block cursor visible by drawing a rectangle around
1942 the image. I believe it's looking better if we do
1943 nothing here for mouse-face. */
1944 if (s
->hl
== DRAW_CURSOR
)
1946 int r
= s
->img
->relief
;
1948 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1949 s
->slice
.width
+ r
*2 - 1,
1950 s
->slice
.height
+ r
*2 - 1);
1954 w32_set_clip_rectangle (s
->hdc
, NULL
);
1955 SelectObject (s
->hdc
, orig_brush
);
1956 DeleteObject (fg_brush
);
1957 SelectObject (compat_hdc
, orig_obj
);
1958 DeleteDC (compat_hdc
);
1961 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1962 s
->slice
.width
- 1, s
->slice
.height
- 1);
1964 RestoreDC (s
->hdc
,-1);
1968 /* Draw a relief around the image glyph string S. */
1971 x_draw_image_relief (struct glyph_string
*s
)
1973 int x1
, y1
, thick
, raised_p
, top_p
, bot_p
, left_p
, right_p
;
1976 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1978 /* If first glyph of S has a left box line, start drawing it to the
1979 right of that line. */
1980 if (s
->face
->box
!= FACE_NO_BOX
1981 && s
->first_glyph
->left_box_line_p
1983 x
+= eabs (s
->face
->box_line_width
);
1985 /* If there is a margin around the image, adjust x- and y-position
1987 if (s
->slice
.x
== 0)
1988 x
+= s
->img
->hmargin
;
1989 if (s
->slice
.y
== 0)
1990 y
+= s
->img
->vmargin
;
1992 if (s
->hl
== DRAW_IMAGE_SUNKEN
1993 || s
->hl
== DRAW_IMAGE_RAISED
)
1995 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1996 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1997 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2001 thick
= eabs (s
->img
->relief
);
2002 raised_p
= s
->img
->relief
> 0;
2005 x1
= x
+ s
->slice
.width
- 1;
2006 y1
= y
+ s
->slice
.height
- 1;
2007 top_p
= bot_p
= left_p
= right_p
= 0;
2009 if (s
->slice
.x
== 0)
2010 x
-= thick
, left_p
= 1;
2011 if (s
->slice
.y
== 0)
2012 y
-= thick
, top_p
= 1;
2013 if (s
->slice
.x
+ s
->slice
.width
== s
->img
->width
)
2014 x1
+= thick
, right_p
= 1;
2015 if (s
->slice
.y
+ s
->slice
.height
== s
->img
->height
)
2016 y1
+= thick
, bot_p
= 1;
2018 x_setup_relief_colors (s
);
2019 get_glyph_string_clip_rect (s
, &r
);
2020 w32_draw_relief_rect (s
->f
, x
, y
, x1
, y1
, thick
, raised_p
,
2021 top_p
, bot_p
, left_p
, right_p
, &r
);
2025 /* Draw the foreground of image glyph string S to PIXMAP. */
2028 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
2030 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2031 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2033 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2035 /* If first glyph of S has a left box line, start drawing it to the
2036 right of that line. */
2037 if (s
->face
->box
!= FACE_NO_BOX
2038 && s
->first_glyph
->left_box_line_p
2040 x
+= eabs (s
->face
->box_line_width
);
2042 /* If there is a margin around the image, adjust x- and y-position
2044 if (s
->slice
.x
== 0)
2045 x
+= s
->img
->hmargin
;
2046 if (s
->slice
.y
== 0)
2047 y
+= s
->img
->vmargin
;
2051 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2052 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2053 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2054 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2058 HDC mask_dc
= CreateCompatibleDC (hdc
);
2059 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2061 SetTextColor (hdc
, RGB (0, 0, 0));
2062 SetBkColor (hdc
, RGB (255, 255, 255));
2063 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2064 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2065 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2066 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2067 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2068 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2070 SelectObject (mask_dc
, mask_orig_obj
);
2075 SetTextColor (hdc
, s
->gc
->foreground
);
2076 SetBkColor (hdc
, s
->gc
->background
);
2078 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2079 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2081 /* When the image has a mask, we can expect that at
2082 least part of a mouse highlight or a block cursor will
2083 be visible. If the image doesn't have a mask, make
2084 a block cursor visible by drawing a rectangle around
2085 the image. I believe it's looking better if we do
2086 nothing here for mouse-face. */
2087 if (s
->hl
== DRAW_CURSOR
)
2089 int r
= s
->img
->relief
;
2091 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2092 s
->slice
.width
+ r
*2 - 1,
2093 s
->slice
.height
+ r
*2 - 1);
2097 SelectObject (hdc
, orig_brush
);
2098 DeleteObject (fg_brush
);
2099 SelectObject (compat_hdc
, orig_obj
);
2100 DeleteDC (compat_hdc
);
2103 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2104 s
->slice
.width
- 1, s
->slice
.height
- 1);
2106 SelectObject (hdc
, orig_hdc_obj
);
2111 /* Draw part of the background of glyph string S. X, Y, W, and H
2112 give the rectangle to draw. */
2115 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2117 #if 0 /* TODO: stipple */
2120 /* Fill background with a stipple pattern. */
2121 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2122 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2123 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2127 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2131 /* Draw image glyph string S.
2134 s->x +-------------------------
2137 | +-------------------------
2140 | | +-------------------
2146 x_draw_image_glyph_string (struct glyph_string
*s
)
2149 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2150 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2154 height
= s
->height
- 2 * box_line_vwidth
;
2156 /* Fill background with face under the image. Do it only if row is
2157 taller than image or if image has a clip mask to reduce
2159 s
->stippled_p
= s
->face
->stipple
!= 0;
2160 if (height
> s
->slice
.height
2164 || s
->img
->pixmap
== 0
2165 || s
->width
!= s
->background_width
)
2168 if (s
->first_glyph
->left_box_line_p
2170 x
+= box_line_hwidth
;
2173 if (s
->slice
.y
== 0)
2174 y
+= box_line_vwidth
;
2176 #if 0 /* TODO: figure out if we need to do this on Windows. */
2179 /* Create a pixmap as large as the glyph string. Fill it
2180 with the background color. Copy the image to it, using
2181 its mask. Copy the temporary pixmap to the display. */
2182 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2183 int depth
= DefaultDepthOfScreen (screen
);
2185 /* Create a pixmap as large as the glyph string. */
2186 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2187 s
->background_width
,
2190 /* Don't clip in the following because we're working on the
2192 XSetClipMask (s
->display
, s
->gc
, None
);
2194 /* Fill the pixmap with the background color/stipple. */
2197 /* Fill background with a stipple pattern. */
2198 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2199 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2200 0, 0, s
->background_width
, s
->height
);
2201 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2206 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2208 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2209 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2210 0, 0, s
->background_width
, s
->height
);
2211 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2216 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2218 s
->background_filled_p
= 1;
2221 /* Draw the foreground. */
2224 w32_draw_image_foreground_1 (s
, pixmap
);
2225 x_set_glyph_string_clipping (s
);
2227 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2228 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2229 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2230 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2232 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2233 SetBkColor (s
->hdc
, s
->gc
->background
);
2234 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2235 compat_hdc
, 0, 0, SRCCOPY
);
2237 SelectObject (s
->hdc
, orig_brush
);
2238 DeleteObject (fg_brush
);
2239 SelectObject (compat_hdc
, orig_obj
);
2240 DeleteDC (compat_hdc
);
2242 DeleteObject (pixmap
);
2246 x_draw_image_foreground (s
);
2248 /* If we must draw a relief around the image, do it. */
2250 || s
->hl
== DRAW_IMAGE_RAISED
2251 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2252 x_draw_image_relief (s
);
2256 /* Draw stretch glyph string S. */
2259 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2261 eassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2263 if (s
->hl
== DRAW_CURSOR
2264 && !x_stretch_cursor_p
)
2266 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2267 wide as the stretch glyph. */
2268 int width
, background_width
= s
->background_width
;
2271 if (!s
->row
->reversed_p
)
2273 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2277 background_width
-= left_x
- x
;
2283 /* In R2L rows, draw the cursor on the right edge of the
2285 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2287 if (x
+ background_width
> right_x
)
2288 background_width
-= x
- right_x
;
2289 x
+= background_width
;
2291 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2292 if (s
->row
->reversed_p
)
2296 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2298 /* Clear rest using the GC of the original non-cursor face. */
2299 if (width
< background_width
)
2301 XGCValues
*gc
= s
->face
->gc
;
2303 int w
= background_width
- width
, h
= s
->height
;
2307 if (!s
->row
->reversed_p
)
2311 if (s
->row
->mouse_face_p
2312 && cursor_in_mouse_face_p (s
->w
))
2314 x_set_mouse_face_gc (s
);
2320 get_glyph_string_clip_rect (s
, &r
);
2321 w32_set_clip_rectangle (hdc
, &r
);
2323 #if 0 /* TODO: stipple */
2324 if (s
->face
->stipple
)
2326 /* Fill background with a stipple pattern. */
2327 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2328 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2329 XSetFillStyle (s
->display
, gc
, FillSolid
);
2334 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2338 else if (!s
->background_filled_p
)
2340 int background_width
= s
->background_width
;
2341 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2343 /* Don't draw into left margin, fringe or scrollbar area
2344 except for header line and mode line. */
2345 if (x
< left_x
&& !s
->row
->mode_line_p
)
2347 background_width
-= left_x
- x
;
2350 if (background_width
> 0)
2351 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2354 s
->background_filled_p
= 1;
2358 /* Draw glyph string S. */
2361 x_draw_glyph_string (struct glyph_string
*s
)
2363 bool relief_drawn_p
= 0;
2365 /* If S draws into the background of its successor, draw the
2366 background of the successor first so that S can draw into it.
2367 This makes S->next use XDrawString instead of XDrawImageString. */
2368 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2371 struct glyph_string
*next
;
2372 for (width
= 0, next
= s
->next
;
2373 next
&& width
< s
->right_overhang
;
2374 width
+= next
->width
, next
= next
->next
)
2375 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2377 x_set_glyph_string_gc (next
);
2378 x_set_glyph_string_clipping (next
);
2379 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2380 x_draw_stretch_glyph_string (next
);
2382 x_draw_glyph_string_background (next
, 1);
2383 next
->num_clips
= 0;
2387 /* Set up S->gc, set clipping and draw S. */
2388 x_set_glyph_string_gc (s
);
2390 /* Draw relief (if any) in advance for char/composition so that the
2391 glyph string can be drawn over it. */
2392 if (!s
->for_overlaps
2393 && s
->face
->box
!= FACE_NO_BOX
2394 && (s
->first_glyph
->type
== CHAR_GLYPH
2395 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2398 x_set_glyph_string_clipping (s
);
2399 x_draw_glyph_string_background (s
, 1);
2400 x_draw_glyph_string_box (s
);
2401 x_set_glyph_string_clipping (s
);
2404 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2406 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2407 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2408 /* We must clip just this glyph. left_overhang part has already
2409 drawn when s->prev was drawn, and right_overhang part will be
2410 drawn later when s->next is drawn. */
2411 x_set_glyph_string_clipping_exactly (s
, s
);
2413 x_set_glyph_string_clipping (s
);
2415 switch (s
->first_glyph
->type
)
2418 x_draw_image_glyph_string (s
);
2422 x_draw_stretch_glyph_string (s
);
2426 if (s
->for_overlaps
)
2427 s
->background_filled_p
= 1;
2429 x_draw_glyph_string_background (s
, 0);
2430 x_draw_glyph_string_foreground (s
);
2433 case COMPOSITE_GLYPH
:
2434 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2435 && ! s
->first_glyph
->u
.cmp
.automatic
))
2436 s
->background_filled_p
= 1;
2438 x_draw_glyph_string_background (s
, 1);
2439 x_draw_composite_glyph_string_foreground (s
);
2442 case GLYPHLESS_GLYPH
:
2443 if (s
->for_overlaps
)
2444 s
->background_filled_p
= 1;
2446 x_draw_glyph_string_background (s
, 0);
2447 x_draw_glyphless_glyph_string_foreground (s
);
2454 if (!s
->for_overlaps
)
2456 /* Draw underline. */
2457 if (s
->face
->underline_p
)
2459 if (s
->face
->underline_type
== FACE_UNDER_WAVE
)
2463 if (s
->face
->underline_defaulted_p
)
2464 color
= s
->gc
->foreground
;
2466 color
= s
->face
->underline_color
;
2468 w32_draw_underwave (s
, color
);
2470 else if (s
->face
->underline_type
== FACE_UNDER_LINE
)
2472 unsigned long thickness
, position
;
2475 if (s
->prev
&& s
->prev
->face
->underline_p
2476 && s
->prev
->face
->underline_type
== FACE_UNDER_LINE
)
2478 /* We use the same underline style as the previous one. */
2479 thickness
= s
->prev
->underline_thickness
;
2480 position
= s
->prev
->underline_position
;
2484 /* Get the underline thickness. Default is 1 pixel. */
2485 if (s
->font
&& s
->font
->underline_thickness
> 0)
2486 thickness
= s
->font
->underline_thickness
;
2489 if (x_underline_at_descent_line
)
2490 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2493 /* Get the underline position. This is the recommended
2494 vertical offset in pixels from the baseline to the top of
2495 the underline. This is a signed value according to the
2496 specs, and its default is
2498 ROUND ((maximum_descent) / 2), with
2499 ROUND (x) = floor (x + 0.5) */
2501 if (x_use_underline_position_properties
2502 && s
->font
&& s
->font
->underline_position
>= 0)
2503 position
= s
->font
->underline_position
;
2505 position
= (s
->font
->descent
+ 1) / 2;
2507 position
= max (position
, underline_minimum_offset
);
2509 /* Check the sanity of thickness and position. We should
2510 avoid drawing underline out of the current line area. */
2511 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2512 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2513 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2514 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2515 s
->underline_thickness
= thickness
;
2516 s
->underline_position
=position
;
2517 y
= s
->ybase
+ position
;
2518 if (s
->face
->underline_defaulted_p
)
2520 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2525 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2530 /* Draw overline. */
2531 if (s
->face
->overline_p
)
2533 unsigned long dy
= 0, h
= 1;
2535 if (s
->face
->overline_color_defaulted_p
)
2537 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2538 s
->y
+ dy
, s
->width
, h
);
2542 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2543 s
->y
+ dy
, s
->width
, h
);
2547 /* Draw strike-through. */
2548 if (s
->face
->strike_through_p
2549 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2551 unsigned long h
= 1;
2552 unsigned long dy
= (s
->height
- h
) / 2;
2554 if (s
->face
->strike_through_color_defaulted_p
)
2556 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2561 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2562 s
->y
+ dy
, s
->width
, h
);
2566 /* Draw relief if not yet drawn. */
2567 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2568 x_draw_glyph_string_box (s
);
2572 struct glyph_string
*prev
;
2574 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2575 if (prev
->hl
!= s
->hl
2576 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2578 /* As prev was drawn while clipped to its own area, we
2579 must draw the right_overhang part using s->hl now. */
2580 enum draw_glyphs_face save
= prev
->hl
;
2583 x_set_glyph_string_gc (prev
);
2584 x_set_glyph_string_clipping_exactly (s
, prev
);
2585 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2586 x_draw_glyph_string_foreground (prev
);
2588 x_draw_composite_glyph_string_foreground (prev
);
2589 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2591 prev
->num_clips
= 0;
2597 struct glyph_string
*next
;
2599 for (next
= s
->next
; next
; next
= next
->next
)
2600 if (next
->hl
!= s
->hl
2601 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2603 /* As next will be drawn while clipped to its own area,
2604 we must draw the left_overhang part using s->hl now. */
2605 enum draw_glyphs_face save
= next
->hl
;
2608 x_set_glyph_string_gc (next
);
2609 x_set_glyph_string_clipping_exactly (s
, next
);
2610 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2611 x_draw_glyph_string_foreground (next
);
2613 x_draw_composite_glyph_string_foreground (next
);
2614 w32_set_clip_rectangle (next
->hdc
, NULL
);
2616 next
->num_clips
= 0;
2617 next
->clip_head
= s
->next
;
2622 /* Reset clipping. */
2623 w32_set_clip_rectangle (s
->hdc
, NULL
);
2628 /* Shift display to make room for inserted glyphs. */
2631 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2632 int width
, int height
, int shift_by
)
2636 hdc
= get_frame_dc (f
);
2637 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2638 hdc
, x
, y
, SRCCOPY
);
2640 release_frame_dc (f
, hdc
);
2644 /* Delete N glyphs at the nominal cursor position. Not implemented
2648 x_delete_glyphs (struct frame
*f
, register int n
)
2650 if (! FRAME_W32_P (f
))
2657 /* Clear entire frame. */
2660 x_clear_frame (struct frame
*f
)
2662 if (! FRAME_W32_P (f
))
2665 /* Clearing the frame will erase any cursor, so mark them all as no
2667 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2668 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2669 output_cursor
.x
= -1;
2671 /* We don't set the output cursor here because there will always
2672 follow an explicit cursor_to. */
2675 w32_clear_window (f
);
2677 /* We have to clear the scroll bars, too. If we have changed
2678 colors or something like that, then they should be notified. */
2679 x_scroll_bar_clear (f
);
2685 /* Make audible bell. */
2688 w32_ring_bell (struct frame
*f
)
2692 if (FRAME_W32_P (f
) && visible_bell
)
2695 HWND hwnd
= FRAME_W32_WINDOW (f
);
2697 for (i
= 0; i
< 5; i
++)
2699 FlashWindow (hwnd
, TRUE
);
2702 FlashWindow (hwnd
, FALSE
);
2705 w32_sys_ring_bell (f
);
2711 /* Specify how many text lines, from the top of the window,
2712 should be affected by insert-lines and delete-lines operations.
2713 This, and those operations, are used only within an update
2714 that is bounded by calls to x_update_begin and x_update_end. */
2717 w32_set_terminal_window (struct frame
*f
, int n
)
2719 /* This function intentionally left blank. */
2723 /***********************************************************************
2725 ***********************************************************************/
2727 /* Perform an insert-lines or delete-lines operation, inserting N
2728 lines or deleting -N lines at vertical position VPOS. */
2731 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2733 if (! FRAME_W32_P (f
))
2740 /* Scroll part of the display as described by RUN. */
2743 x_scroll_run (struct window
*w
, struct run
*run
)
2745 struct frame
*f
= XFRAME (w
->frame
);
2746 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2747 HWND hwnd
= FRAME_W32_WINDOW (f
);
2750 /* Get frame-relative bounding box of the text display area of W,
2751 without mode lines. Include in this box the left and right
2753 window_box (w
, -1, &x
, &y
, &width
, &height
);
2755 /* If the fringe is adjacent to the left (right) scroll bar of a
2756 leftmost (rightmost, respectively) window, then extend its
2757 background to the gap between the fringe and the bar. */
2758 if ((WINDOW_LEFTMOST_P (w
)
2759 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2760 || (WINDOW_RIGHTMOST_P (w
)
2761 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2763 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2767 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2768 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2769 * FRAME_COLUMN_WIDTH (f
));
2771 if (bar_area_x
+ bar_area_width
== x
)
2773 x
= bar_area_x
+ sb_width
;
2774 width
+= bar_area_width
- sb_width
;
2776 else if (x
+ width
== bar_area_x
)
2777 width
+= bar_area_width
- sb_width
;
2781 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2782 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2783 bottom_y
= y
+ height
;
2787 /* Scrolling up. Make sure we don't copy part of the mode
2788 line at the bottom. */
2789 if (from_y
+ run
->height
> bottom_y
)
2790 height
= bottom_y
- from_y
;
2792 height
= run
->height
;
2793 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2797 /* Scrolling down. Make sure we don't copy over the mode line.
2799 if (to_y
+ run
->height
> bottom_y
)
2800 height
= bottom_y
- to_y
;
2802 height
= run
->height
;
2803 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2808 /* Cursor off. Will be switched on again in x_update_window_end. */
2815 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2816 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2818 from
.left
= to
.left
= x
;
2819 from
.right
= to
.right
= x
+ width
;
2821 from
.bottom
= from_y
+ height
;
2823 to
.bottom
= bottom_y
;
2825 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2826 NULL
, SW_INVALIDATE
);
2828 /* Combine this with what we expect to be dirty. This covers the
2829 case where not all of the region we expect is actually dirty. */
2830 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2832 /* If the dirty region is not what we expected, redraw the entire frame. */
2833 if (!EqualRgn (combined
, expect_dirty
))
2834 SET_FRAME_GARBAGED (f
);
2836 DeleteObject (dirty
);
2837 DeleteObject (combined
);
2841 DeleteObject (expect_dirty
);
2846 /***********************************************************************
2848 ***********************************************************************/
2851 frame_highlight (struct frame
*f
)
2853 x_update_cursor (f
, 1);
2854 x_set_frame_alpha (f
);
2858 frame_unhighlight (struct frame
*f
)
2860 x_update_cursor (f
, 1);
2861 x_set_frame_alpha (f
);
2864 /* The focus has changed. Update the frames as necessary to reflect
2865 the new situation. Note that we can't change the selected frame
2866 here, because the Lisp code we are interrupting might become confused.
2867 Each event gets marked with the frame in which it occurred, so the
2868 Lisp code can tell when the switch took place by examining the events. */
2871 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2873 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2875 if (frame
!= dpyinfo
->w32_focus_frame
)
2877 /* Set this before calling other routines, so that they see
2878 the correct value of w32_focus_frame. */
2879 dpyinfo
->w32_focus_frame
= frame
;
2881 if (old_focus
&& old_focus
->auto_lower
)
2882 x_lower_frame (old_focus
);
2884 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2885 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2887 pending_autoraise_frame
= 0;
2890 x_frame_rehighlight (dpyinfo
);
2894 /* Handle FocusIn and FocusOut state changes for FRAME.
2895 If FRAME has focus and there exists more than one frame, puts
2896 a FOCUS_IN_EVENT into *BUFP. */
2899 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2900 struct frame
*frame
, struct input_event
*bufp
)
2902 if (type
== WM_SETFOCUS
)
2904 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2906 x_new_focus_frame (dpyinfo
, frame
);
2907 dpyinfo
->w32_focus_event_frame
= frame
;
2909 /* Don't stop displaying the initial startup message
2910 for a switch-frame event we don't need. */
2911 if (NILP (Vterminal_frame
)
2912 && CONSP (Vframe_list
)
2913 && !NILP (XCDR (Vframe_list
)))
2922 bufp
->kind
= FOCUS_IN_EVENT
;
2923 XSETFRAME (bufp
->frame_or_window
, frame
);
2926 frame
->output_data
.x
->focus_state
|= state
;
2928 /* TODO: IME focus? */
2930 else if (type
== WM_KILLFOCUS
)
2932 frame
->output_data
.x
->focus_state
&= ~state
;
2934 if (dpyinfo
->w32_focus_event_frame
== frame
)
2936 dpyinfo
->w32_focus_event_frame
= 0;
2937 x_new_focus_frame (dpyinfo
, 0);
2939 bufp
->kind
= FOCUS_OUT_EVENT
;
2940 XSETFRAME (bufp
->frame_or_window
, frame
);
2943 /* TODO: IME focus? */
2948 /* The focus may have changed. Figure out if it is a real focus change,
2949 by checking both FocusIn/Out and Enter/LeaveNotify events.
2951 Returns FOCUS_IN_EVENT event in *BUFP. */
2954 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2955 struct input_event
*bufp
)
2957 struct frame
*frame
;
2959 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2963 /* On w32, this is only called from focus events, so no switch needed. */
2964 x_focus_changed (event
->msg
.message
,
2965 (event
->msg
.message
== WM_KILLFOCUS
?
2966 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2967 dpyinfo
, frame
, bufp
);
2971 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2974 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2976 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2979 /* The focus has changed, or we have redirected a frame's focus to
2980 another frame (this happens when a frame uses a surrogate
2981 mini-buffer frame). Shift the highlight as appropriate.
2983 The FRAME argument doesn't necessarily have anything to do with which
2984 frame is being highlighted or un-highlighted; we only use it to find
2985 the appropriate X display info. */
2988 w32_frame_rehighlight (struct frame
*frame
)
2990 if (! FRAME_W32_P (frame
))
2992 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2996 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2998 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
3000 if (dpyinfo
->w32_focus_frame
)
3002 dpyinfo
->x_highlight_frame
3003 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
3004 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
3005 : dpyinfo
->w32_focus_frame
);
3006 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
3008 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
3009 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
3013 dpyinfo
->x_highlight_frame
= 0;
3015 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3018 frame_unhighlight (old_highlight
);
3019 if (dpyinfo
->x_highlight_frame
)
3020 frame_highlight (dpyinfo
->x_highlight_frame
);
3024 /* Keyboard processing - modifier keys, etc. */
3026 /* Convert a keysym to its name. */
3029 x_get_keysym_name (int keysym
)
3031 /* Make static so we can always return it */
3032 static char value
[100];
3035 GetKeyNameText (keysym
, value
, 100);
3042 codepage_for_locale (LCID locale
)
3046 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
3053 /* Mouse clicks and mouse movement. Rah. */
3055 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3056 the state in PUP. XBUTTON provides extra information for extended mouse
3057 button messages. Returns FALSE if unable to parse the message. */
3059 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
3066 case WM_LBUTTONDOWN
:
3074 case WM_MBUTTONDOWN
:
3075 if (NILP (Vw32_swap_mouse_buttons
))
3082 if (NILP (Vw32_swap_mouse_buttons
))
3088 case WM_RBUTTONDOWN
:
3089 if (NILP (Vw32_swap_mouse_buttons
))
3096 if (NILP (Vw32_swap_mouse_buttons
))
3102 case WM_XBUTTONDOWN
:
3103 button
= xbutton
+ 2;
3107 button
= xbutton
+ 2;
3115 if (pbutton
) *pbutton
= button
;
3121 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3123 If the event is a button press, then note that we have grabbed
3127 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3132 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3135 /* Make the event type NO_EVENT; we'll change that when we decide
3137 result
->kind
= MOUSE_CLICK_EVENT
;
3138 result
->code
= button
;
3139 result
->timestamp
= msg
->msg
.time
;
3140 result
->modifiers
= (msg
->dwModifiers
3145 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3146 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3147 XSETFRAME (result
->frame_or_window
, f
);
3153 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3158 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3161 result
->timestamp
= msg
->msg
.time
;
3163 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3164 forward, away from the user (up); a negative value indicates that
3165 the wheel was rotated backward, toward the user (down). */
3166 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3168 /* The up and down modifiers indicate if the wheel was rotated up or
3169 down based on WHEEL_DELTA value. */
3170 result
->modifiers
= (msg
->dwModifiers
3171 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3173 /* With multiple monitors, we can legitimately get negative
3174 coordinates, so cast to short to interpret them correctly. */
3175 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3176 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3177 ScreenToClient (msg
->msg
.hwnd
, &p
);
3178 XSETINT (result
->x
, p
.x
);
3179 XSETINT (result
->y
, p
.y
);
3180 XSETFRAME (result
->frame_or_window
, f
);
3186 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3196 result
->kind
= DRAG_N_DROP_EVENT
;
3198 result
->timestamp
= msg
->msg
.time
;
3199 result
->modifiers
= msg
->dwModifiers
;
3201 hdrop
= (HDROP
) msg
->msg
.wParam
;
3202 DragQueryPoint (hdrop
, &p
);
3205 p
.x
= LOWORD (msg
->msg
.lParam
);
3206 p
.y
= HIWORD (msg
->msg
.lParam
);
3207 ScreenToClient (msg
->msg
.hwnd
, &p
);
3210 XSETINT (result
->x
, p
.x
);
3211 XSETINT (result
->y
, p
.y
);
3213 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3216 for (i
= 0; i
< num_files
; i
++)
3218 len
= GUI_FN (DragQueryFile
) (hdrop
, i
, NULL
, 0);
3222 name
= alloca ((len
+ 1) * sizeof (*name
));
3223 GUI_FN (DragQueryFile
) (hdrop
, i
, name
, len
+ 1);
3224 #ifdef NTGUI_UNICODE
3225 files
= Fcons (from_unicode_buffer (name
), files
);
3227 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3228 #endif /* NTGUI_UNICODE */
3233 XSETFRAME (frame
, f
);
3234 result
->frame_or_window
= frame
;
3235 result
->arg
= files
;
3242 /* File event notifications (see w32notify.c). */
3245 lispy_file_action (DWORD action
)
3247 static char unknown_fmt
[] = "unknown-action(%d)";
3252 case FILE_ACTION_ADDED
:
3255 case FILE_ACTION_REMOVED
:
3258 case FILE_ACTION_MODIFIED
:
3261 case FILE_ACTION_RENAMED_OLD_NAME
:
3262 retval
= Qrenamed_from
;
3264 case FILE_ACTION_RENAMED_NEW_NAME
:
3265 retval
= Qrenamed_to
;
3269 char buf
[sizeof(unknown_fmt
) - 1 + INT_STRLEN_BOUND (DWORD
)];
3271 sprintf (buf
, unknown_fmt
, action
);
3272 retval
= intern (buf
);
3281 /* Put file notifications into the Emacs input event queue. This
3282 function runs when the WM_EMACS_FILENOTIFY message arrives from a
3285 queue_notifications (struct input_event
*event
, W32Msg
*msg
, struct frame
*f
,
3288 BYTE
*p
= file_notifications
;
3289 FILE_NOTIFY_INFORMATION
*fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3290 const DWORD min_size
3291 = offsetof (FILE_NOTIFY_INFORMATION
, FileName
) + sizeof(wchar_t);
3294 /* We cannot process notification before Emacs is fully initialized,
3295 since we need the UTF-16LE coding-system to be set up. */
3298 notification_buffer_in_use
= 0;
3302 XSETFRAME (frame
, f
);
3305 if (notification_buffer_in_use
)
3307 DWORD info_size
= notifications_size
;
3308 Lisp_Object cs
= intern ("utf-16le");
3309 Lisp_Object obj
= w32_get_watch_object (notifications_desc
);
3311 /* notifications_size could be zero when the buffer of
3312 notifications overflowed on the OS level, or when the
3313 directory being watched was itself deleted. Do nothing in
3316 && !NILP (obj
) && CONSP (obj
))
3318 Lisp_Object callback
= XCDR (obj
);
3320 while (info_size
>= min_size
)
3322 Lisp_Object utf_16_fn
3323 = make_unibyte_string ((char *)fni
->FileName
,
3324 fni
->FileNameLength
);
3325 /* Note: mule-conf is preloaded, so utf-16le must
3326 already be defined at this point. */
3328 = code_convert_string_norecord (utf_16_fn
, cs
, 0);
3329 Lisp_Object action
= lispy_file_action (fni
->Action
);
3331 event
->kind
= FILE_NOTIFY_EVENT
;
3333 = (ptrdiff_t)XINT (XIL ((EMACS_INT
)notifications_desc
));
3334 event
->timestamp
= msg
->msg
.time
;
3335 event
->modifiers
= 0;
3336 event
->frame_or_window
= callback
;
3337 event
->arg
= Fcons (action
, fname
);
3338 kbd_buffer_store_event (event
);
3341 if (!fni
->NextEntryOffset
)
3343 p
+= fni
->NextEntryOffset
;
3344 fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3345 info_size
-= fni
->NextEntryOffset
;
3348 notification_buffer_in_use
= 0;
3351 DebPrint (("We were promised notifications, but in-use flag is zero!\n"));
3354 /* We've stuffed all the events ourselves, so w32_read_socket shouldn't. */
3355 event
->kind
= NO_EVENT
;
3357 #endif /* WINDOWSNT */
3358 #endif /* HAVE_W32NOTIFY */
3361 /* Function to report a mouse movement to the mainstream Emacs code.
3362 The input handler calls this.
3364 We have received a mouse movement event, which is given in *event.
3365 If the mouse is over a different glyph than it was last time, tell
3366 the mainstream emacs code by setting mouse_moved. If not, ask for
3367 another motion event, so we can check again the next time it moves. */
3369 static MSG last_mouse_motion_event
;
3370 static Lisp_Object last_mouse_motion_frame
;
3373 note_mouse_movement (FRAME_PTR frame
, MSG
*msg
)
3375 int mouse_x
= LOWORD (msg
->lParam
);
3376 int mouse_y
= HIWORD (msg
->lParam
);
3378 last_mouse_movement_time
= msg
->time
;
3379 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3380 XSETFRAME (last_mouse_motion_frame
, frame
);
3382 if (!FRAME_X_OUTPUT (frame
))
3385 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3387 frame
->mouse_moved
= 1;
3388 last_mouse_scroll_bar
= Qnil
;
3389 note_mouse_highlight (frame
, -1, -1);
3390 last_mouse_glyph_frame
= 0;
3394 /* Has the mouse moved off the glyph it was on at the last sighting? */
3395 if (frame
!= last_mouse_glyph_frame
3396 || mouse_x
< last_mouse_glyph
.left
3397 || mouse_x
>= last_mouse_glyph
.right
3398 || mouse_y
< last_mouse_glyph
.top
3399 || mouse_y
>= last_mouse_glyph
.bottom
)
3401 frame
->mouse_moved
= 1;
3402 last_mouse_scroll_bar
= Qnil
;
3403 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3404 /* Remember the mouse position here, as w32_mouse_position only
3405 gets called when mouse tracking is enabled but we also need
3406 to keep track of the mouse for help_echo and highlighting at
3408 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3409 last_mouse_glyph_frame
= frame
;
3417 /************************************************************************
3419 ************************************************************************/
3421 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3422 static void x_scroll_bar_report_motion (FRAME_PTR
*, Lisp_Object
*,
3423 enum scroll_bar_part
*,
3424 Lisp_Object
*, Lisp_Object
*,
3426 static void x_check_fullscreen (struct frame
*);
3429 redo_mouse_highlight (void)
3431 if (!NILP (last_mouse_motion_frame
)
3432 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3433 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3434 LOWORD (last_mouse_motion_event
.lParam
),
3435 HIWORD (last_mouse_motion_event
.lParam
));
3439 w32_define_cursor (Window window
, Cursor cursor
)
3441 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3443 /* Return the current position of the mouse.
3444 *fp should be a frame which indicates which display to ask about.
3446 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3447 and *part to the frame, window, and scroll bar part that the mouse
3448 is over. Set *x and *y to the portion and whole of the mouse's
3449 position on the scroll bar.
3451 If the mouse movement started elsewhere, set *fp to the frame the
3452 mouse is on, *bar_window to nil, and *x and *y to the character cell
3455 Set *time to the server time-stamp for the time at which the mouse
3456 was at this position.
3458 Don't store anything if we don't have a valid set of values to report.
3460 This clears the mouse_moved flag, so we can wait for the next mouse
3464 w32_mouse_position (FRAME_PTR
*fp
, int insist
, Lisp_Object
*bar_window
,
3465 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3466 unsigned long *time
)
3472 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3473 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3478 Lisp_Object frame
, tail
;
3480 /* Clear the mouse-moved flag for every frame on this display. */
3481 FOR_EACH_FRAME (tail
, frame
)
3482 XFRAME (frame
)->mouse_moved
= 0;
3484 last_mouse_scroll_bar
= Qnil
;
3488 /* Now we have a position on the root; find the innermost window
3489 containing the pointer. */
3491 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3492 && FRAME_LIVE_P (last_mouse_frame
))
3494 /* If mouse was grabbed on a frame, give coords for that frame
3495 even if the mouse is now outside it. */
3496 f1
= last_mouse_frame
;
3500 /* Is window under mouse one of our frames? */
3501 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3502 WindowFromPoint (pt
));
3505 /* If not, is it one of our scroll bars? */
3508 struct scroll_bar
*bar
3509 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3513 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3517 if (f1
== 0 && insist
> 0)
3518 f1
= SELECTED_FRAME ();
3522 /* Ok, we found a frame. Store all the values.
3523 last_mouse_glyph is a rectangle used to reduce the
3524 generation of mouse events. To not miss any motion
3525 events, we must divide the frame into rectangles of the
3526 size of the smallest character that could be displayed
3527 on it, i.e. into the same rectangles that matrices on
3528 the frame are divided into. */
3530 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3531 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3532 last_mouse_glyph_frame
= f1
;
3539 *time
= last_mouse_movement_time
;
3548 /***********************************************************************
3550 ***********************************************************************/
3552 /* Handle mouse button event on the tool-bar of frame F, at
3553 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3554 or ButtonRelease. */
3557 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3559 int x
= XFASTINT (button_event
->x
);
3560 int y
= XFASTINT (button_event
->y
);
3562 if (button_event
->modifiers
& down_modifier
)
3563 handle_tool_bar_click (f
, x
, y
, 1, 0);
3565 handle_tool_bar_click (f
, x
, y
, 0,
3566 button_event
->modifiers
& ~up_modifier
);
3571 /***********************************************************************
3573 ***********************************************************************/
3575 /* Scroll bar support. */
3577 /* Given a window ID, find the struct scroll_bar which manages it.
3578 This can be called in GC, so we have to make sure to strip off mark
3581 static struct scroll_bar
*
3582 x_window_to_scroll_bar (Window window_id
)
3584 Lisp_Object tail
, frame
;
3586 FOR_EACH_FRAME (tail
, frame
)
3588 Lisp_Object bar
, condemned
;
3590 /* Scan this frame's scroll bar list for a scroll bar with the
3592 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3593 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3594 /* This trick allows us to search both the ordinary and
3595 condemned scroll bar lists with one loop. */
3596 ! NILP (bar
) || (bar
= condemned
,
3599 bar
= XSCROLL_BAR (bar
)->next
)
3600 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3601 return XSCROLL_BAR (bar
);
3609 /* Set the thumb size and position of scroll bar BAR. We are currently
3610 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3613 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3614 int portion
, int position
, int whole
)
3616 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3617 /* We use the whole scroll-bar height in the calculations below, to
3618 avoid strange effects like scrolling backwards when just clicking
3619 on the handle (without moving it). */
3620 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3621 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3622 int sb_page
, sb_pos
;
3623 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3626 /* We used to change the nPage setting while dragging the handle,
3627 but that had very strange effects (such as scrolling backwards
3628 while dragging downwards).
3630 Now, we don't change the nPage setting while dragging unless we
3631 get near to the end of the buffer, in which case we often have to
3632 resize the handle to "go all the way". */
3638 si
.cbSize
= sizeof (si
);
3639 si
.fMask
= SIF_POS
| SIF_PAGE
;
3640 GetScrollInfo (w
, SB_CTL
, &si
);
3641 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3649 /* Position scroll bar at rock bottom if the bottom of the
3650 buffer is visible. This avoids shrinking the thumb away
3651 to nothing if it is held at the bottom of the buffer. */
3652 if (position
+ portion
>= whole
&& !draggingp
)
3654 sb_page
= range
* (whole
- position
) / whole
;
3659 sb_pos
= position
* range
/ whole
;
3660 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3669 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3673 si
.cbSize
= sizeof (si
);
3674 si
.fMask
= SIF_PAGE
| SIF_POS
;
3678 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3684 /************************************************************************
3685 Scroll bars, general
3686 ************************************************************************/
3689 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3691 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3692 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3696 /*#define ATTACH_THREADS*/
3699 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3701 #ifndef ATTACH_THREADS
3702 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3703 (WPARAM
) hwnd
, (LPARAM
) how
);
3705 return ShowWindow (hwnd
, how
);
3710 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3711 int x
, int y
, int cx
, int cy
, UINT flags
)
3713 #ifndef ATTACH_THREADS
3715 pos
.hwndInsertAfter
= hwndAfter
;
3721 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3723 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3729 my_set_focus (struct frame
* f
, HWND hwnd
)
3731 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3737 my_set_foreground_window (HWND hwnd
)
3739 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3744 my_destroy_window (struct frame
* f
, HWND hwnd
)
3746 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3751 my_bring_window_to_top (HWND hwnd
)
3753 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3756 /* Create a scroll bar and return the scroll bar vector for it. W is
3757 the Emacs window on which to create the scroll bar. TOP, LEFT,
3758 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3761 static struct scroll_bar
*
3762 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3764 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3767 struct scroll_bar
*bar
3768 = XSCROLL_BAR (Fmake_vector (make_number (VECSIZE (struct scroll_bar
)), Qnil
));
3773 XSETWINDOW (bar
->window
, w
);
3774 XSETINT (bar
->top
, top
);
3775 XSETINT (bar
->left
, left
);
3776 XSETINT (bar
->width
, width
);
3777 XSETINT (bar
->height
, height
);
3778 XSETINT (bar
->start
, 0);
3779 XSETINT (bar
->end
, 0);
3780 bar
->dragging
= Qnil
;
3781 bar
->fringe_extended_p
= Qnil
;
3783 /* Requires geometry to be set before call to create the real window */
3785 hwnd
= my_create_scrollbar (f
, bar
);
3787 si
.cbSize
= sizeof (si
);
3790 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3791 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3795 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3797 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3799 /* Add bar to its frame's list of scroll bars. */
3800 bar
->next
= FRAME_SCROLL_BARS (f
);
3802 XSETVECTOR (barobj
, bar
);
3803 fset_scroll_bars (f
, barobj
);
3804 if (! NILP (bar
->next
))
3805 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3813 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3817 x_scroll_bar_remove (struct scroll_bar
*bar
)
3819 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3823 /* Destroy the window. */
3824 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3826 /* Dissociate this scroll bar from its window. */
3827 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3832 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3833 that we are displaying PORTION characters out of a total of WHOLE
3834 characters, starting at POSITION. If WINDOW has no scroll bar,
3837 w32_set_vertical_scroll_bar (struct window
*w
,
3838 int portion
, int whole
, int position
)
3840 struct frame
*f
= XFRAME (w
->frame
);
3842 struct scroll_bar
*bar
;
3843 int top
, height
, left
, sb_left
, width
, sb_width
;
3844 int window_y
, window_height
;
3845 int fringe_extended_p
;
3847 /* Get window dimensions. */
3848 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3850 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3851 height
= window_height
;
3853 /* Compute the left edge of the scroll bar area. */
3854 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3856 /* Compute the width of the scroll bar which might be less than
3857 the width of the area reserved for the scroll bar. */
3858 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3859 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3863 /* Compute the left edge of the scroll bar. */
3864 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3865 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3867 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3869 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3870 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3871 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3872 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3873 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3875 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3876 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3877 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3878 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3880 /* Does the scroll bar exist yet? */
3881 if (NILP (w
->vertical_scroll_bar
))
3885 if (width
> 0 && height
> 0)
3887 hdc
= get_frame_dc (f
);
3888 if (fringe_extended_p
)
3889 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3891 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3892 release_frame_dc (f
, hdc
);
3896 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3900 /* It may just need to be moved and resized. */
3903 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3904 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3906 /* If already correctly positioned, do nothing. */
3907 if ( XINT (bar
->left
) == sb_left
3908 && XINT (bar
->top
) == top
3909 && XINT (bar
->width
) == sb_width
3910 && XINT (bar
->height
) == height
3911 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3913 /* Redraw after clear_frame. */
3914 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3915 InvalidateRect (hwnd
, NULL
, FALSE
);
3923 if (width
&& height
)
3925 hdc
= get_frame_dc (f
);
3926 /* Since Windows scroll bars are smaller than the space reserved
3927 for them on the frame, we have to clear "under" them. */
3928 if (fringe_extended_p
)
3929 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3931 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3932 release_frame_dc (f
, hdc
);
3934 /* Make sure scroll bar is "visible" before moving, to ensure the
3935 area of the parent window now exposed will be refreshed. */
3936 my_show_window (f
, hwnd
, SW_HIDE
);
3937 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3938 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3939 max (height
, 1), TRUE
);
3941 si
.cbSize
= sizeof (si
);
3942 si
.fMask
= SIF_RANGE
;
3944 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3945 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3947 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3949 my_show_window (f
, hwnd
, SW_NORMAL
);
3950 /* InvalidateRect (w, NULL, FALSE); */
3952 /* Remember new settings. */
3953 XSETINT (bar
->left
, sb_left
);
3954 XSETINT (bar
->top
, top
);
3955 XSETINT (bar
->width
, sb_width
);
3956 XSETINT (bar
->height
, height
);
3961 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3963 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3964 XSETVECTOR (barobj
, bar
);
3965 wset_vertical_scroll_bar (w
, barobj
);
3969 /* The following three hooks are used when we're doing a thorough
3970 redisplay of the frame. We don't explicitly know which scroll bars
3971 are going to be deleted, because keeping track of when windows go
3972 away is a real pain - "Can you say set-window-configuration, boys
3973 and girls?" Instead, we just assert at the beginning of redisplay
3974 that *all* scroll bars are to be removed, and then save a scroll bar
3975 from the fiery pit when we actually redisplay its window. */
3977 /* Arrange for all scroll bars on FRAME to be removed at the next call
3978 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3979 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3982 w32_condemn_scroll_bars (FRAME_PTR frame
)
3984 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3985 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3988 bar
= FRAME_SCROLL_BARS (frame
);
3989 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3990 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3991 XSCROLL_BAR (bar
)->prev
= Qnil
;
3992 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3993 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3994 fset_condemned_scroll_bars (frame
, bar
);
3999 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
4000 Note that WINDOW isn't necessarily condemned at all. */
4003 w32_redeem_scroll_bar (struct window
*window
)
4005 struct scroll_bar
*bar
;
4009 /* We can't redeem this window's scroll bar if it doesn't have one. */
4010 if (NILP (window
->vertical_scroll_bar
))
4013 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
4015 /* Unlink it from the condemned list. */
4016 f
= XFRAME (WINDOW_FRAME (window
));
4017 if (NILP (bar
->prev
))
4019 /* If the prev pointer is nil, it must be the first in one of
4021 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
4022 /* It's not condemned. Everything's fine. */
4024 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
4025 window
->vertical_scroll_bar
))
4026 fset_condemned_scroll_bars (f
, bar
->next
);
4028 /* If its prev pointer is nil, it must be at the front of
4029 one or the other! */
4033 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
4035 if (! NILP (bar
->next
))
4036 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
4038 bar
->next
= FRAME_SCROLL_BARS (f
);
4040 XSETVECTOR (barobj
, bar
);
4041 fset_scroll_bars (f
, barobj
);
4042 if (! NILP (bar
->next
))
4043 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
4046 /* Remove all scroll bars on FRAME that haven't been saved since the
4047 last call to `*condemn_scroll_bars_hook'. */
4050 w32_judge_scroll_bars (FRAME_PTR f
)
4052 Lisp_Object bar
, next
;
4054 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
4056 /* Clear out the condemned list now so we won't try to process any
4057 more events on the hapless scroll bars. */
4058 fset_condemned_scroll_bars (f
, Qnil
);
4060 for (; ! NILP (bar
); bar
= next
)
4062 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
4064 x_scroll_bar_remove (b
);
4067 b
->next
= b
->prev
= Qnil
;
4070 /* Now there should be no references to the condemned scroll bars,
4071 and they should get garbage-collected. */
4074 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4075 is set to something other than NO_EVENT, it is enqueued.
4077 This may be called from a signal handler, so we have to ignore GC
4081 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
4082 struct input_event
*emacs_event
)
4084 if (! WINDOWP (bar
->window
))
4087 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
4088 emacs_event
->code
= 0;
4089 /* not really meaningful to distinguish up/down */
4090 emacs_event
->modifiers
= msg
->dwModifiers
;
4091 emacs_event
->frame_or_window
= bar
->window
;
4092 emacs_event
->arg
= Qnil
;
4093 emacs_event
->timestamp
= msg
->msg
.time
;
4096 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4098 int dragging
= !NILP (bar
->dragging
);
4101 si
.cbSize
= sizeof (si
);
4104 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4107 bar
->dragging
= Qnil
;
4110 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4112 switch (LOWORD (msg
->msg
.wParam
))
4115 emacs_event
->part
= scroll_bar_down_arrow
;
4118 emacs_event
->part
= scroll_bar_up_arrow
;
4121 emacs_event
->part
= scroll_bar_above_handle
;
4124 emacs_event
->part
= scroll_bar_below_handle
;
4127 emacs_event
->part
= scroll_bar_handle
;
4131 emacs_event
->part
= scroll_bar_handle
;
4135 case SB_THUMBPOSITION
:
4136 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4137 y
= HIWORD (msg
->msg
.wParam
);
4139 emacs_event
->part
= scroll_bar_handle
;
4141 /* "Silently" update current position. */
4145 si
.cbSize
= sizeof (si
);
4148 /* Remember apparent position (we actually lag behind the real
4149 position, so don't set that directly). */
4150 last_scroll_bar_drag_pos
= y
;
4152 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4156 /* If this is the end of a drag sequence, then reset the scroll
4157 handle size to normal and do a final redraw. Otherwise do
4162 int start
= XINT (bar
->start
);
4163 int end
= XINT (bar
->end
);
4165 si
.cbSize
= sizeof (si
);
4166 si
.fMask
= SIF_PAGE
| SIF_POS
;
4167 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4168 si
.nPos
= last_scroll_bar_drag_pos
;
4169 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4173 emacs_event
->kind
= NO_EVENT
;
4177 XSETINT (emacs_event
->x
, y
);
4178 XSETINT (emacs_event
->y
, top_range
);
4184 /* Return information to the user about the current position of the mouse
4185 on the scroll bar. */
4188 x_scroll_bar_report_motion (FRAME_PTR
*fp
, Lisp_Object
*bar_window
,
4189 enum scroll_bar_part
*part
,
4190 Lisp_Object
*x
, Lisp_Object
*y
,
4191 unsigned long *time
)
4193 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4194 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4195 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4197 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4203 *bar_window
= bar
->window
;
4205 si
.cbSize
= sizeof (si
);
4206 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4208 GetScrollInfo (w
, SB_CTL
, &si
);
4210 top_range
= si
.nMax
- si
.nPage
+ 1;
4212 switch (LOWORD (last_mouse_scroll_bar_pos
))
4214 case SB_THUMBPOSITION
:
4216 *part
= scroll_bar_handle
;
4217 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4218 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4221 *part
= scroll_bar_handle
;
4225 *part
= scroll_bar_handle
;
4230 XSETINT (*y
, top_range
);
4233 last_mouse_scroll_bar
= Qnil
;
4235 *time
= last_mouse_movement_time
;
4241 /* The screen has been cleared so we may have changed foreground or
4242 background colors, and the scroll bars may need to be redrawn.
4243 Clear out the scroll bars, and ask for expose events, so we can
4247 x_scroll_bar_clear (FRAME_PTR f
)
4251 /* We can have scroll bars even if this is 0,
4252 if we just turned off scroll bar mode.
4253 But in that case we should not clear them. */
4254 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4255 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4256 bar
= XSCROLL_BAR (bar
)->next
)
4258 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4259 HDC hdc
= GetDC (window
);
4262 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4263 arranges to refresh the scroll bar if hidden. */
4264 my_show_window (f
, window
, SW_HIDE
);
4266 GetClientRect (window
, &rect
);
4267 select_palette (f
, hdc
);
4268 w32_clear_rect (f
, hdc
, &rect
);
4269 deselect_palette (f
, hdc
);
4271 ReleaseDC (window
, hdc
);
4276 /* The main W32 event-reading loop - w32_read_socket. */
4278 /* Record the last 100 characters stored
4279 to help debug the loss-of-chars-during-GC problem. */
4281 static int temp_index
;
4282 static short temp_buffer
[100];
4284 /* Temporarily store lead byte of DBCS input sequences. */
4285 static char dbcs_lead
= 0;
4287 /* Read events coming from the W32 shell.
4288 This routine is called by the SIGIO handler.
4289 We return as soon as there are no more events to be read.
4291 For an overview of how Emacs input works on MS-Windows, see the
4292 commentary before w32_msg_pump in w32fns.c.
4294 We return the number of characters stored into the buffer,
4295 thus pretending to be `read'.
4297 Some of these messages are reposted back to the message queue since the
4298 system calls the windows proc directly in a context where we cannot return
4299 the data nor can we guarantee the state we are in. So if we dispatch them
4300 we will get into an infinite loop. To prevent this from ever happening we
4301 will set a variable to indicate we are in the read_socket call and indicate
4302 which message we are processing since the windows proc gets called
4303 recursively with different messages by the system.
4307 w32_read_socket (struct terminal
*terminal
,
4308 struct input_event
*hold_quit
)
4311 int check_visibility
= 0;
4314 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4315 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4320 /* So people can tell when we have read the available input. */
4321 input_signal_count
++;
4323 /* Process any incoming thread messages. */
4324 drain_message_queue ();
4326 /* TODO: ghostscript integration. */
4327 while (get_next_msg (&msg
, FALSE
))
4329 struct input_event inev
;
4332 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4333 /* w32_name_of_message (msg.msg.message), */
4334 /* msg.msg.time)); */
4337 inev
.kind
= NO_EVENT
;
4340 switch (msg
.msg
.message
)
4342 case WM_EMACS_PAINT
:
4343 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4347 if (msg
.rect
.right
== msg
.rect
.left
||
4348 msg
.rect
.bottom
== msg
.rect
.top
)
4350 /* We may get paint messages even though the client
4351 area is clipped - these are not expose events. */
4352 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4355 else if (FRAME_VISIBLE_P (f
) != 1)
4357 bool iconified
= FRAME_ICONIFIED_P (f
);
4359 /* Definitely not obscured, so mark as visible. */
4360 SET_FRAME_VISIBLE (f
, 1);
4361 SET_FRAME_ICONIFIED (f
, 0);
4362 SET_FRAME_GARBAGED (f
);
4363 if (!f
->output_data
.w32
->asked_for_visible
)
4364 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4367 /* WM_PAINT serves as MapNotify as well, so report
4368 visibility changes properly. */
4371 inev
.kind
= DEICONIFY_EVENT
;
4372 XSETFRAME (inev
.frame_or_window
, f
);
4374 else if (!NILP (Vframe_list
) && !NILP (XCDR (Vframe_list
)))
4375 /* Force a redisplay sooner or later to update the
4376 frame titles in case this is the second frame. */
4377 record_asynch_buffer_change ();
4381 HDC hdc
= get_frame_dc (f
);
4383 /* Erase background again for safety. */
4384 w32_clear_rect (f
, hdc
, &msg
.rect
);
4385 release_frame_dc (f
, hdc
);
4389 msg
.rect
.right
- msg
.rect
.left
,
4390 msg
.rect
.bottom
- msg
.rect
.top
);
4395 case WM_INPUTLANGCHANGE
:
4396 /* Generate a language change event. */
4397 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4399 /* lParam contains the input language ID in its low 16 bits.
4400 Use it to update our record of the keyboard codepage. */
4401 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4406 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4407 XSETFRAME (inev
.frame_or_window
, f
);
4408 inev
.code
= w32_keyboard_codepage
;
4409 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4415 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4417 if (f
&& !FRAME_ICONIFIED_P (f
))
4419 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4420 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4422 clear_mouse_face (hlinfo
);
4423 hlinfo
->mouse_face_hidden
= 1;
4426 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4428 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4429 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4430 inev
.code
= msg
.msg
.wParam
;
4431 inev
.modifiers
= msg
.dwModifiers
;
4432 XSETFRAME (inev
.frame_or_window
, f
);
4433 inev
.timestamp
= msg
.msg
.time
;
4440 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4442 if (f
&& !FRAME_ICONIFIED_P (f
))
4444 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4445 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4447 clear_mouse_face (hlinfo
);
4448 hlinfo
->mouse_face_hidden
= 1;
4451 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4453 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4455 inev
.modifiers
= msg
.dwModifiers
;
4456 XSETFRAME (inev
.frame_or_window
, f
);
4457 inev
.timestamp
= msg
.msg
.time
;
4459 if (msg
.msg
.message
== WM_UNICHAR
)
4461 inev
.code
= msg
.msg
.wParam
;
4463 else if (msg
.msg
.wParam
< 256)
4468 dbcs
[1] = (char) msg
.msg
.wParam
;
4472 dbcs
[0] = dbcs_lead
;
4474 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4478 DebPrint (("Invalid DBCS sequence: %d %d\n",
4480 inev
.kind
= NO_EVENT
;
4484 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4485 (BYTE
) msg
.msg
.wParam
))
4487 dbcs_lead
= (char) msg
.msg
.wParam
;
4488 inev
.kind
= NO_EVENT
;
4493 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4494 &dbcs
[1], 1, &code
, 1))
4496 /* What to do with garbage? */
4497 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4498 inev
.kind
= NO_EVENT
;
4506 /* Windows shouldn't generate WM_CHAR events above 0xFF
4507 in non-Unicode message handlers. */
4508 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4509 inev
.kind
= NO_EVENT
;
4512 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4513 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4518 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4520 if (f
&& !FRAME_ICONIFIED_P (f
))
4522 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4523 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4525 clear_mouse_face (hlinfo
);
4526 hlinfo
->mouse_face_hidden
= 1;
4529 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4531 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4532 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4533 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4534 inev
.modifiers
= msg
.dwModifiers
;
4535 XSETFRAME (inev
.frame_or_window
, f
);
4536 inev
.timestamp
= msg
.msg
.time
;
4541 /* Ignore non-movement. */
4543 int x
= LOWORD (msg
.msg
.lParam
);
4544 int y
= HIWORD (msg
.msg
.lParam
);
4545 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4547 last_mousemove_x
= x
;
4548 last_mousemove_y
= y
;
4551 previous_help_echo_string
= help_echo_string
;
4552 help_echo_string
= Qnil
;
4554 if (dpyinfo
->grabbed
&& last_mouse_frame
4555 && FRAME_LIVE_P (last_mouse_frame
))
4556 f
= last_mouse_frame
;
4558 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4560 if (hlinfo
->mouse_face_hidden
)
4562 hlinfo
->mouse_face_hidden
= 0;
4563 clear_mouse_face (hlinfo
);
4568 /* Generate SELECT_WINDOW_EVENTs when needed. */
4569 if (!NILP (Vmouse_autoselect_window
))
4572 int x
= LOWORD (msg
.msg
.lParam
);
4573 int y
= HIWORD (msg
.msg
.lParam
);
4575 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4577 /* Window will be selected only when it is not
4578 selected now and last mouse movement event was
4579 not in it. Minibuffer window will be selected
4580 only when it is active. */
4581 if (WINDOWP (window
)
4582 && !EQ (window
, last_window
)
4583 && !EQ (window
, selected_window
)
4584 /* For click-to-focus window managers
4585 create event iff we don't leave the
4587 && (focus_follows_mouse
4588 || (EQ (XWINDOW (window
)->frame
,
4589 XWINDOW (selected_window
)->frame
))))
4591 inev
.kind
= SELECT_WINDOW_EVENT
;
4592 inev
.frame_or_window
= window
;
4595 last_window
= window
;
4597 if (!note_mouse_movement (f
, &msg
.msg
))
4598 help_echo_string
= previous_help_echo_string
;
4602 /* If we move outside the frame, then we're
4603 certainly no longer on any text in the frame. */
4604 clear_mouse_face (hlinfo
);
4607 /* If the contents of the global variable help_echo_string
4608 has changed, generate a HELP_EVENT. */
4609 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4610 But it was originally changed to this to fix a bug, so I have
4611 not removed it completely in case the bug is still there. */
4612 if (help_echo_string
!= previous_help_echo_string
||
4613 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4614 #else /* This is what xterm.c does. */
4615 if (!NILP (help_echo_string
)
4616 || !NILP (previous_help_echo_string
))
4621 case WM_LBUTTONDOWN
:
4623 case WM_MBUTTONDOWN
:
4625 case WM_RBUTTONDOWN
:
4627 case WM_XBUTTONDOWN
:
4630 /* If we decide we want to generate an event to be seen
4631 by the rest of Emacs, we put it here. */
4632 bool tool_bar_p
= 0;
4636 if (dpyinfo
->grabbed
&& last_mouse_frame
4637 && FRAME_LIVE_P (last_mouse_frame
))
4638 f
= last_mouse_frame
;
4640 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4644 construct_mouse_click (&inev
, &msg
, f
);
4646 /* Is this in the tool-bar? */
4647 if (WINDOWP (f
->tool_bar_window
)
4648 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4651 int x
= XFASTINT (inev
.x
);
4652 int y
= XFASTINT (inev
.y
);
4654 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4656 if (EQ (window
, f
->tool_bar_window
))
4658 w32_handle_tool_bar_click (f
, &inev
);
4664 || (dpyinfo
->w32_focus_frame
4665 && f
!= dpyinfo
->w32_focus_frame
))
4666 inev
.kind
= NO_EVENT
;
4669 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4674 dpyinfo
->grabbed
&= ~ (1 << button
);
4678 dpyinfo
->grabbed
|= (1 << button
);
4679 last_mouse_frame
= f
;
4680 /* Ignore any mouse motion that happened
4681 before this event; any subsequent mouse-movement
4682 Emacs events should reflect only motion after
4688 last_tool_bar_item
= -1;
4694 case WM_MOUSEHWHEEL
:
4696 if (dpyinfo
->grabbed
&& last_mouse_frame
4697 && FRAME_LIVE_P (last_mouse_frame
))
4698 f
= last_mouse_frame
;
4700 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4705 if (!dpyinfo
->w32_focus_frame
4706 || f
== dpyinfo
->w32_focus_frame
)
4708 /* Emit an Emacs wheel-up/down event. */
4709 construct_mouse_wheel (&inev
, &msg
, f
);
4711 /* Ignore any mouse motion that happened before this
4712 event; any subsequent mouse-movement Emacs events
4713 should reflect only motion after the
4717 last_mouse_frame
= f
;
4718 last_tool_bar_item
= -1;
4723 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4726 construct_drag_n_drop (&inev
, &msg
, f
);
4731 struct scroll_bar
*bar
=
4732 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4735 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4739 case WM_WINDOWPOSCHANGED
:
4741 case WM_ACTIVATEAPP
:
4742 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4745 /* Run the full-screen hook function also when we are
4746 being activated, to actually install the required
4747 size in effect, if the WAIT flag is set. This is
4748 because when the hook is run from x_set_fullscreen,
4749 the frame might not yet be visible, if that call is a
4750 result of make-frame, and in that case the hook just
4751 sets the WAIT flag. */
4752 if ((msg
.msg
.message
== WM_WINDOWPOSCHANGED
|| msg
.msg
.wParam
)
4753 && (f
->want_fullscreen
& FULLSCREEN_WAIT
))
4754 w32fullscreen_hook (f
);
4755 x_check_fullscreen (f
);
4757 check_visibility
= 1;
4761 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4763 if (f
&& !FRAME_ICONIFIED_P (f
))
4767 x_real_positions (f
, &x
, &y
);
4772 check_visibility
= 1;
4776 /* wParam non-zero means Window is about to be shown, 0 means
4777 about to be hidden. */
4778 /* Redo the mouse-highlight after the tooltip has gone. */
4779 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4782 redo_mouse_highlight ();
4785 /* If window has been obscured or exposed by another window
4786 being maximized or minimized/restored, then recheck
4787 visibility of all frames. Direct changes to our own
4788 windows get handled by WM_SIZE. */
4790 if (msg
.msg
.lParam
!= 0)
4791 check_visibility
= 1;
4794 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4795 f
->async_visible
= msg
.msg
.wParam
;
4799 check_visibility
= 1;
4803 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4805 /* Inform lisp of whether frame has been iconified etc. */
4808 switch (msg
.msg
.wParam
)
4810 case SIZE_MINIMIZED
:
4811 SET_FRAME_VISIBLE (f
, 0);
4812 SET_FRAME_ICONIFIED (f
, 1);
4814 inev
.kind
= ICONIFY_EVENT
;
4815 XSETFRAME (inev
.frame_or_window
, f
);
4818 case SIZE_MAXIMIZED
:
4821 bool iconified
= FRAME_ICONIFIED_P (f
);
4824 SET_FRAME_VISIBLE (f
, 1);
4825 SET_FRAME_ICONIFIED (f
, 0);
4827 /* wait_reading_process_output will notice this
4828 and update the frame's display structures. */
4829 SET_FRAME_GARBAGED (f
);
4835 /* Reset top and left positions of the Window
4836 here since Windows sends a WM_MOVE message
4837 BEFORE telling us the Window is minimized
4838 when the Window is iconified, with 3000,3000
4840 x_real_positions (f
, &x
, &y
);
4844 inev
.kind
= DEICONIFY_EVENT
;
4845 XSETFRAME (inev
.frame_or_window
, f
);
4847 else if (! NILP (Vframe_list
)
4848 && ! NILP (XCDR (Vframe_list
)))
4849 /* Force a redisplay sooner or later
4850 to update the frame titles
4851 in case this is the second frame. */
4852 record_asynch_buffer_change ();
4858 if (f
&& !FRAME_ICONIFIED_P (f
) && msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4866 GetClientRect (msg
.msg
.hwnd
, &rect
);
4868 height
= rect
.bottom
- rect
.top
;
4869 width
= rect
.right
- rect
.left
;
4871 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4872 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4874 /* TODO: Clip size to the screen dimensions. */
4876 /* Even if the number of character rows and columns has
4877 not changed, the font size may have changed, so we need
4878 to check the pixel dimensions as well. */
4880 if (columns
!= FRAME_COLS (f
)
4881 || rows
!= FRAME_LINES (f
)
4882 || width
!= FRAME_PIXEL_WIDTH (f
)
4883 || height
!= FRAME_PIXEL_HEIGHT (f
))
4885 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4886 SET_FRAME_GARBAGED (f
);
4887 cancel_mouse_face (f
);
4888 FRAME_PIXEL_WIDTH (f
) = width
;
4889 FRAME_PIXEL_HEIGHT (f
) = height
;
4890 f
->win_gravity
= NorthWestGravity
;
4894 check_visibility
= 1;
4898 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4901 if (f
== hlinfo
->mouse_face_mouse_frame
)
4903 /* If we move outside the frame, then we're
4904 certainly no longer on any text in the frame. */
4905 clear_mouse_face (hlinfo
);
4906 hlinfo
->mouse_face_mouse_frame
= 0;
4909 /* Generate a nil HELP_EVENT to cancel a help-echo.
4910 Do it only if there's something to cancel.
4911 Otherwise, the startup message is cleared when
4912 the mouse leaves the frame. */
4913 if (any_help_event_p
)
4919 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4921 dpyinfo
->grabbed
= 0;
4922 check_visibility
= 1;
4926 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4927 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4931 if (f
== hlinfo
->mouse_face_mouse_frame
)
4933 /* If we move outside the frame, then we're
4934 certainly no longer on any text in the frame. */
4935 clear_mouse_face (hlinfo
);
4936 hlinfo
->mouse_face_mouse_frame
= 0;
4939 /* Generate a nil HELP_EVENT to cancel a help-echo.
4940 Do it only if there's something to cancel.
4941 Otherwise, the startup message is cleared when
4942 the mouse leaves the frame. */
4943 if (any_help_event_p
)
4947 dpyinfo
->grabbed
= 0;
4948 check_visibility
= 1;
4952 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4956 inev
.kind
= DELETE_WINDOW_EVENT
;
4957 XSETFRAME (inev
.frame_or_window
, f
);
4962 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4966 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4967 XSETFRAME (inev
.frame_or_window
, f
);
4972 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4976 extern void menubar_selection_callback
4977 (FRAME_PTR f
, void * client_data
);
4978 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4981 check_visibility
= 1;
4984 case WM_DISPLAYCHANGE
:
4985 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4989 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4990 DebPrint (("display change: %d %d\n",
4991 (short) LOWORD (msg
.msg
.lParam
),
4992 (short) HIWORD (msg
.msg
.lParam
)));
4995 check_visibility
= 1;
4999 case WM_EMACS_FILENOTIFY
:
5000 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
5002 queue_notifications (&inev
, &msg
, f
, &count
);
5007 /* Check for messages registered at runtime. */
5008 if (msg
.msg
.message
== msh_mousewheel
)
5010 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
5011 msg
.msg
.message
= WM_MOUSEWHEEL
;
5017 if (inev
.kind
!= NO_EVENT
)
5019 kbd_buffer_store_event_hold (&inev
, hold_quit
);
5024 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
5029 XSETFRAME (frame
, f
);
5035 if (NILP (help_echo_string
))
5037 help_echo_object
= help_echo_window
= Qnil
;
5041 any_help_event_p
= 1;
5042 gen_help_event (help_echo_string
, frame
, help_echo_window
,
5043 help_echo_object
, help_echo_pos
);
5047 help_echo_string
= Qnil
;
5048 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
5054 /* If the focus was just given to an autoraising frame,
5056 /* ??? This ought to be able to handle more than one such frame. */
5057 if (pending_autoraise_frame
)
5059 x_raise_frame (pending_autoraise_frame
);
5060 pending_autoraise_frame
= 0;
5063 /* Check which frames are still visible, if we have enqueued any user
5064 events or been notified of events that may affect visibility. We
5065 do this here because there doesn't seem to be any direct
5066 notification from Windows that the visibility of a window has
5067 changed (at least, not in all cases). */
5068 if (count
> 0 || check_visibility
)
5070 Lisp_Object tail
, frame
;
5072 FOR_EACH_FRAME (tail
, frame
)
5074 FRAME_PTR f
= XFRAME (frame
);
5075 /* The tooltip has been drawn already. Avoid the
5076 SET_FRAME_GARBAGED below. */
5077 if (EQ (frame
, tip_frame
))
5080 /* Check "visible" frames and mark each as obscured or not.
5081 Note that visible is nonzero for unobscured and obscured
5082 frames, but zero for hidden and iconified frames. */
5083 if (FRAME_W32_P (f
) && FRAME_VISIBLE_P (f
))
5090 /* Query clipping rectangle for the entire window area
5091 (GetWindowDC), not just the client portion (GetDC).
5092 Otherwise, the scrollbars and menubar aren't counted as
5093 part of the visible area of the frame, and we may think
5094 the frame is obscured when really a scrollbar is still
5095 visible and gets WM_PAINT messages above. */
5096 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
5097 GetClipBox (hdc
, &clipbox
);
5098 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5101 obscured
= FRAME_OBSCURED_P (f
);
5103 if (clipbox
.right
== clipbox
.left
|| clipbox
.bottom
== clipbox
.top
)
5105 /* Frame has become completely obscured so mark as such (we
5106 do this by setting visible to 2 so that FRAME_VISIBLE_P
5107 is still true, but redisplay will skip it). */
5108 SET_FRAME_VISIBLE (f
, 2);
5111 DebPrint (("frame %p (%s) obscured\n", f
, SDATA (f
->name
)));
5115 /* Frame is not obscured, so mark it as such. */
5116 SET_FRAME_VISIBLE (f
, 1);
5120 SET_FRAME_GARBAGED (f
);
5121 DebPrint (("obscured frame %p (%s) found to be visible\n",
5122 f
, SDATA (f
->name
)));
5124 /* Force a redisplay sooner or later. */
5125 record_asynch_buffer_change ();
5138 /***********************************************************************
5140 ***********************************************************************/
5142 /* Set clipping for output in glyph row ROW. W is the window in which
5143 we operate. GC is the graphics context to set clipping in.
5145 ROW may be a text row or, e.g., a mode line. Text rows must be
5146 clipped to the interior of the window dedicated to text display,
5147 mode lines must be clipped to the whole window. */
5150 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
, int area
, HDC hdc
)
5153 int window_x
, window_y
, window_width
;
5155 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5157 clip_rect
.left
= window_x
;
5158 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5159 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5160 clip_rect
.right
= clip_rect
.left
+ window_width
;
5161 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5163 w32_set_clip_rectangle (hdc
, &clip_rect
);
5167 /* Draw a hollow box cursor on window W in glyph row ROW. */
5170 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5172 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5176 struct glyph
*cursor_glyph
;
5177 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5179 /* Get the glyph the cursor is on. If we can't tell because
5180 the current matrix is invalid or such, give up. */
5181 cursor_glyph
= get_phys_cursor_glyph (w
);
5182 if (cursor_glyph
== NULL
)
5188 /* Compute frame-relative coordinates for phys cursor. */
5189 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5192 rect
.bottom
= rect
.top
+ h
;
5193 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5195 hdc
= get_frame_dc (f
);
5196 /* Set clipping, draw the rectangle, and reset clipping again. */
5197 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5198 FrameRect (hdc
, &rect
, hb
);
5200 w32_set_clip_rectangle (hdc
, NULL
);
5201 release_frame_dc (f
, hdc
);
5205 /* Draw a bar cursor on window W in glyph row ROW.
5207 Implementation note: One would like to draw a bar cursor with an
5208 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5209 Unfortunately, I didn't find a font yet that has this property set.
5213 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5214 int width
, enum text_cursor_kinds kind
)
5216 struct frame
*f
= XFRAME (w
->frame
);
5217 struct glyph
*cursor_glyph
;
5219 /* If cursor is out of bounds, don't draw garbage. This can happen
5220 in mini-buffer windows when switching between echo area glyphs
5222 cursor_glyph
= get_phys_cursor_glyph (w
);
5223 if (cursor_glyph
== NULL
)
5226 /* If on an image, draw like a normal cursor. That's usually better
5227 visible than drawing a bar, esp. if the image is large so that
5228 the bar might not be in the window. */
5229 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5231 struct glyph_row
*row
;
5232 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5233 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5237 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5238 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5242 /* If the glyph's background equals the color we normally draw
5243 the bar cursor in, the bar cursor in its normal color is
5244 invisible. Use the glyph's foreground color instead in this
5245 case, on the assumption that the glyph's colors are chosen so
5246 that the glyph is legible. */
5247 if (face
->background
== cursor_color
)
5248 cursor_color
= face
->foreground
;
5250 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5252 hdc
= get_frame_dc (f
);
5253 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5255 if (kind
== BAR_CURSOR
)
5258 width
= FRAME_CURSOR_WIDTH (f
);
5259 width
= min (cursor_glyph
->pixel_width
, width
);
5261 w
->phys_cursor_width
= width
;
5263 /* If the character under cursor is R2L, draw the bar cursor
5264 on the right of its glyph, rather than on the left. */
5265 if ((cursor_glyph
->resolved_level
& 1) != 0)
5266 x
+= cursor_glyph
->pixel_width
- width
;
5268 w32_fill_area (f
, hdc
, cursor_color
, x
,
5269 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5270 width
, row
->height
);
5274 int dummy_x
, dummy_y
, dummy_h
;
5277 width
= row
->height
;
5279 width
= min (row
->height
, width
);
5281 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5282 &dummy_y
, &dummy_h
);
5283 w32_fill_area (f
, hdc
, cursor_color
, x
,
5284 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5285 row
->height
- width
),
5286 w
->phys_cursor_width
, width
);
5289 w32_set_clip_rectangle (hdc
, NULL
);
5290 release_frame_dc (f
, hdc
);
5295 /* RIF: Define cursor CURSOR on frame F. */
5298 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5300 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5304 /* RIF: Clear area on frame F. */
5307 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5311 hdc
= get_frame_dc (f
);
5312 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5313 release_frame_dc (f
, hdc
);
5316 /* RIF: Draw or clear cursor on window W. */
5319 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5320 int x
, int y
, int cursor_type
, int cursor_width
,
5321 int on_p
, int active_p
)
5325 /* If the user wants to use the system caret, make sure our own
5326 cursor remains invisible. */
5327 if (w32_use_visible_system_caret
)
5329 /* Call to erase_phys_cursor here seems to use the
5330 wrong values of w->phys_cursor, as they have been
5331 overwritten before this function was called. */
5332 if (w
->phys_cursor_type
!= NO_CURSOR
)
5333 erase_phys_cursor (w
);
5335 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5336 w
->phys_cursor_width
= -1;
5340 w
->phys_cursor_type
= cursor_type
;
5343 w
->phys_cursor_on_p
= 1;
5345 /* If this is the active cursor, we need to track it with the
5346 system caret, so third party software like screen magnifiers
5347 and speech synthesizers can follow the cursor. */
5350 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5351 HWND hwnd
= FRAME_W32_WINDOW (f
);
5354 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5356 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5357 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5358 w32_system_caret_window
= w
;
5359 w32_system_caret_hdr_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
5360 w32_system_caret_mode_height
= WINDOW_MODE_LINE_HEIGHT (w
);
5362 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5364 /* If the size of the active cursor changed, destroy the old
5366 if (w32_system_caret_hwnd
5367 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5368 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5370 w32_system_caret_height
= w
->phys_cursor_height
;
5372 /* Move the system caret. */
5373 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5376 if (glyph_row
->exact_window_width_line_p
5377 && (glyph_row
->reversed_p
5378 ? (w
->phys_cursor
.hpos
< 0)
5379 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5381 glyph_row
->cursor_in_fringe_p
= 1;
5382 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5386 switch (cursor_type
)
5388 case HOLLOW_BOX_CURSOR
:
5389 x_draw_hollow_cursor (w
, glyph_row
);
5392 case FILLED_BOX_CURSOR
:
5393 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5397 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5401 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5405 w
->phys_cursor_width
= 0;
5419 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5422 HANDLE small_icon
= NULL
;
5424 if (FRAME_W32_WINDOW (f
) == 0)
5428 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5429 else if (STRINGP (icon
))
5431 /* Load the main icon from the named file. */
5432 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5433 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5434 /* Try to load a small icon to go with it. */
5435 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5436 GetSystemMetrics (SM_CXSMICON
),
5437 GetSystemMetrics (SM_CYSMICON
),
5440 else if (SYMBOLP (icon
))
5444 if (EQ (icon
, intern ("application")))
5445 name
= (LPCTSTR
) IDI_APPLICATION
;
5446 else if (EQ (icon
, intern ("hand")))
5447 name
= (LPCTSTR
) IDI_HAND
;
5448 else if (EQ (icon
, intern ("question")))
5449 name
= (LPCTSTR
) IDI_QUESTION
;
5450 else if (EQ (icon
, intern ("exclamation")))
5451 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5452 else if (EQ (icon
, intern ("asterisk")))
5453 name
= (LPCTSTR
) IDI_ASTERISK
;
5454 else if (EQ (icon
, intern ("winlogo")))
5455 name
= (LPCTSTR
) IDI_WINLOGO
;
5459 main_icon
= LoadIcon (NULL
, name
);
5464 if (main_icon
== NULL
)
5467 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5468 (LPARAM
) main_icon
);
5470 /* If there is a small icon that goes with it, set that too. */
5472 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5473 (LPARAM
) small_icon
);
5479 /************************************************************************
5481 ************************************************************************/
5483 /* Display Error Handling functions not used on W32. Listing them here
5484 helps diff stay in step when comparing w32term.c with xterm.c.
5486 x_error_catcher (display, error)
5487 x_catch_errors (dpy)
5488 x_catch_errors_unwind (old_val)
5489 x_check_errors (dpy, format)
5490 x_fully_uncatch_errors ()
5491 x_had_errors_p (dpy)
5492 x_clear_errors (dpy)
5493 x_uncatch_errors (dpy, count)
5495 x_connection_signal (signalnum)
5496 x_connection_closed (dpy, error_message)
5497 x_error_quitter (display, error)
5498 x_error_handler (display, error)
5499 x_io_error_quitter (display)
5504 /* Changing the font of the frame. */
5507 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5509 struct font
*font
= XFONT_OBJECT (font_object
);
5512 fontset
= fontset_from_font (font_object
);
5513 FRAME_FONTSET (f
) = fontset
;
5514 if (FRAME_FONT (f
) == font
)
5515 /* This font is already set in frame F. There's nothing more to
5519 FRAME_FONT (f
) = font
;
5520 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5521 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5522 FRAME_LINE_HEIGHT (f
) = font
->height
;
5524 compute_fringe_widths (f
, 1);
5526 /* Compute the scroll bar width in character columns. */
5527 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5529 int wid
= FRAME_COLUMN_WIDTH (f
);
5530 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5531 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5535 int wid
= FRAME_COLUMN_WIDTH (f
);
5536 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5539 /* Now make the frame display the given font. */
5540 if (FRAME_X_WINDOW (f
) != 0)
5542 /* Don't change the size of a tip frame; there's no point in
5543 doing it because it's done in Fx_show_tip, and it leads to
5544 problems because the tip frame has no widget. */
5545 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5546 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5549 /* X version sets font of input methods here also. */
5555 /***********************************************************************
5556 TODO: W32 Input Methods
5557 ***********************************************************************/
5558 /* Listing missing functions from xterm.c helps diff stay in step.
5560 xim_destroy_callback (xim, client_data, call_data)
5561 xim_open_dpy (dpyinfo, resource_name)
5563 xim_instantiate_callback (display, client_data, call_data)
5564 xim_initialize (dpyinfo, resource_name)
5565 xim_close_dpy (dpyinfo)
5570 /* Calculate the absolute position in frame F
5571 from its current recorded position values and gravity. */
5574 x_calc_absolute_position (struct frame
*f
)
5576 int flags
= f
->size_hint_flags
;
5578 /* The sum of the widths of the frame's left and right borders, and
5579 the sum of the heights of the frame's top and bottom borders (in
5580 pixels) drawn by Windows. */
5581 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5583 /* Try to get the actual values of these two variables. We compute
5584 the border width (height) by subtracting the width (height) of
5585 the frame's client area from the width (height) of the frame's
5587 WINDOWPLACEMENT wp
= { 0 };
5588 RECT client_rect
= { 0 };
5590 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5591 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5593 left_right_borders_width
=
5594 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5595 (client_rect
.right
- client_rect
.left
);
5597 top_bottom_borders_height
=
5598 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5599 (client_rect
.bottom
- client_rect
.top
);
5603 /* Use sensible default values. */
5604 left_right_borders_width
= 8;
5605 top_bottom_borders_height
= 32;
5608 /* Treat negative positions as relative to the rightmost bottommost
5609 position that fits on the screen. */
5610 if (flags
& XNegative
)
5611 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5612 - FRAME_PIXEL_WIDTH (f
)
5614 - (left_right_borders_width
- 1));
5616 if (flags
& YNegative
)
5617 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5618 - FRAME_PIXEL_HEIGHT (f
)
5620 - (top_bottom_borders_height
- 1));
5622 /* The left_pos and top_pos are now relative to the top and left
5623 screen edges, so the flags should correspond. */
5624 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5627 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5628 to really change the position, and 0 when calling from
5629 x_make_frame_visible (in that case, XOFF and YOFF are the current
5630 position values). It is -1 when calling from x_set_frame_parameters,
5631 which means, do adjust for borders but don't change the gravity. */
5634 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5637 int modified_top
, modified_left
;
5639 if (change_gravity
> 0)
5643 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5645 f
->size_hint_flags
|= XNegative
;
5647 f
->size_hint_flags
|= YNegative
;
5648 f
->win_gravity
= NorthWestGravity
;
5650 x_calc_absolute_position (f
);
5653 x_wm_set_size_hint (f
, (long) 0, 0);
5655 modified_left
= f
->left_pos
;
5656 modified_top
= f
->top_pos
;
5658 my_set_window_pos (FRAME_W32_WINDOW (f
),
5660 modified_left
, modified_top
,
5662 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5667 /* Check if we need to resize the frame due to a fullscreen request.
5668 If so needed, resize the frame. */
5670 x_check_fullscreen (struct frame
*f
)
5672 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5674 int width
, height
, ign
;
5676 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5678 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5680 /* We do not need to move the window, it shall be taken care of
5681 when setting WM manager hints. */
5682 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5684 change_frame_size (f
, height
, width
, 0, 1, 0);
5685 SET_FRAME_GARBAGED (f
);
5686 cancel_mouse_face (f
);
5688 /* Wait for the change of frame size to occur. */
5689 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5695 w32fullscreen_hook (FRAME_PTR f
)
5697 if (FRAME_VISIBLE_P (f
))
5699 HWND hwnd
= FRAME_W32_WINDOW(f
);
5700 DWORD dwStyle
= GetWindowLong (hwnd
, GWL_STYLE
);
5704 f
->want_fullscreen
&= ~FULLSCREEN_WAIT
;
5706 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_NONE
)
5707 GetWindowPlacement (hwnd
, &FRAME_NORMAL_PLACEMENT (f
));
5709 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_BOTH
)
5711 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
| WS_OVERLAPPEDWINDOW
);
5712 SetWindowPos (hwnd
, NULL
, 0, 0, 0, 0,
5713 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOZORDER
|
5714 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5717 w32_fullscreen_rect (hwnd
, f
->want_fullscreen
,
5718 FRAME_NORMAL_PLACEMENT (f
).rcNormalPosition
, &rect
);
5719 FRAME_PREV_FSMODE (f
) = f
->want_fullscreen
;
5720 if (f
->want_fullscreen
== FULLSCREEN_BOTH
)
5722 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
& ~WS_OVERLAPPEDWINDOW
);
5723 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5724 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
,
5725 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5729 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5730 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
, 0);
5733 f
->want_fullscreen
= FULLSCREEN_NONE
;
5737 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5740 /* Call this to change the size of frame F's x-window.
5741 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5742 for this size change and subsequent size changes.
5743 Otherwise we leave the window gravity unchanged. */
5746 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5748 int pixelwidth
, pixelheight
;
5752 check_frame_size (f
, &rows
, &cols
);
5753 f
->scroll_bar_actual_width
5754 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5756 compute_fringe_widths (f
, 0);
5758 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5759 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5761 f
->win_gravity
= NorthWestGravity
;
5762 x_wm_set_size_hint (f
, (long) 0, 0);
5767 rect
.left
= rect
.top
= 0;
5768 rect
.right
= pixelwidth
;
5769 rect
.bottom
= pixelheight
;
5771 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5772 FRAME_EXTERNAL_MENU_BAR (f
));
5774 my_set_window_pos (FRAME_W32_WINDOW (f
),
5777 rect
.right
- rect
.left
,
5778 rect
.bottom
- rect
.top
,
5779 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5783 /* The following mirrors what is done in xterm.c. It appears to be
5784 for informing lisp of the new size immediately, while the actual
5785 resize will happen asynchronously. But on Windows, the menu bar
5786 automatically wraps when the frame is too narrow to contain it,
5787 and that causes any calculations made here to come out wrong. The
5788 end is some nasty buggy behavior, including the potential loss
5791 Disabling this code is either not sufficient to fix the problems
5792 completely, or it causes fresh problems, but at least it removes
5793 the most problematic symptom of the minibuffer becoming unusable.
5795 -----------------------------------------------------------------
5797 Now, strictly speaking, we can't be sure that this is accurate,
5798 but the window manager will get around to dealing with the size
5799 change request eventually, and we'll hear how it went when the
5800 ConfigureNotify event gets here.
5802 We could just not bother storing any of this information here,
5803 and let the ConfigureNotify event set everything up, but that
5804 might be kind of confusing to the Lisp code, since size changes
5805 wouldn't be reported in the frame parameters until some random
5806 point in the future when the ConfigureNotify event arrives.
5808 We pass 1 for DELAY since we can't run Lisp code inside of
5810 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5811 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5812 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5814 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5815 receive in the ConfigureNotify event; if we get what we asked
5816 for, then the event won't cause the screen to become garbaged, so
5817 we have to make sure to do it here. */
5818 SET_FRAME_GARBAGED (f
);
5820 /* If cursor was outside the new size, mark it as off. */
5821 mark_window_cursors_off (XWINDOW (f
->root_window
));
5823 /* Clear out any recollection of where the mouse highlighting was,
5824 since it might be in a place that's outside the new frame size.
5825 Actually checking whether it is outside is a pain in the neck,
5826 so don't try--just let the highlighting be done afresh with new size. */
5827 cancel_mouse_face (f
);
5833 /* Mouse warping. */
5835 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5838 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5842 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5843 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5845 if (pix_x
< 0) pix_x
= 0;
5846 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5848 if (pix_y
< 0) pix_y
= 0;
5849 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5851 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5855 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5862 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5863 pt
.x
= rect
.left
+ pix_x
;
5864 pt
.y
= rect
.top
+ pix_y
;
5865 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5867 SetCursorPos (pt
.x
, pt
.y
);
5873 /* focus shifting, raising and lowering. */
5876 x_focus_on_frame (struct frame
*f
)
5878 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5880 /* Give input focus to frame. */
5883 /* Try not to change its Z-order if possible. */
5884 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5885 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5888 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5893 x_unfocus_frame (struct frame
*f
)
5897 /* Raise frame F. */
5899 x_raise_frame (struct frame
*f
)
5903 /* Strictly speaking, raise-frame should only change the frame's Z
5904 order, leaving input focus unchanged. This is reasonable behavior
5905 on X where the usual policy is point-to-focus. However, this
5906 behavior would be very odd on Windows where the usual policy is
5909 On X, if the mouse happens to be over the raised frame, it gets
5910 input focus anyway (so the window with focus will never be
5911 completely obscured) - if not, then just moving the mouse over it
5912 is sufficient to give it focus. On Windows, the user must actually
5913 click on the frame (preferably the title bar so as not to move
5914 point), which is more awkward. Also, no other Windows program
5915 raises a window to the top but leaves another window (possibly now
5916 completely obscured) with input focus.
5918 Because there is a system setting on Windows that allows the user
5919 to choose the point to focus policy, we make the strict semantics
5920 optional, but by default we grab focus when raising. */
5922 if (NILP (Vw32_grab_focus_on_raise
))
5924 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5925 not already the foreground application: the frame is raised
5926 above all other frames belonging to us, but not above the
5927 current top window. To achieve that, we have to resort to this
5928 more cumbersome method. */
5930 HDWP handle
= BeginDeferWindowPos (2);
5933 handle
= DeferWindowPos (handle
,
5934 FRAME_W32_WINDOW (f
),
5937 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5940 handle
= DeferWindowPos (handle
,
5941 GetForegroundWindow (),
5942 FRAME_W32_WINDOW (f
),
5944 SWP_NOSIZE
| SWP_NOMOVE
|
5947 EndDeferWindowPos (handle
);
5953 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5959 /* Lower frame F. */
5961 x_lower_frame (struct frame
*f
)
5964 my_set_window_pos (FRAME_W32_WINDOW (f
),
5967 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5972 w32_frame_raise_lower (FRAME_PTR f
, int raise_flag
)
5974 if (! FRAME_W32_P (f
))
5983 /* Change of visibility. */
5985 /* This tries to wait until the frame is really visible.
5986 However, if the window manager asks the user where to position
5987 the frame, this will return before the user finishes doing that.
5988 The frame will not actually be visible at that time,
5989 but it will become visible later when the window manager
5990 finishes with it. */
5993 x_make_frame_visible (struct frame
*f
)
5999 type
= x_icon_type (f
);
6001 x_bitmap_icon (f
, type
);
6003 if (! FRAME_VISIBLE_P (f
))
6005 /* We test FRAME_GARBAGED_P here to make sure we don't
6006 call x_set_offset a second time
6007 if we get to x_make_frame_visible a second time
6008 before the window gets really visible. */
6009 if (! FRAME_ICONIFIED_P (f
)
6010 && ! f
->output_data
.w32
->asked_for_visible
)
6015 /* Adjust vertical window position in order to avoid being
6016 covered by a task bar placed at the bottom of the desktop. */
6017 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
6018 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
6019 if (window_rect
.bottom
> workarea_rect
.bottom
6020 && window_rect
.top
> workarea_rect
.top
)
6021 f
->top_pos
= max (window_rect
.top
6022 - window_rect
.bottom
+ workarea_rect
.bottom
,
6025 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
6028 f
->output_data
.w32
->asked_for_visible
= 1;
6030 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
6031 causes unexpected behavior when unminimizing frames that were
6032 previously maximized. But only SW_SHOWNORMAL works properly for
6033 frames that were truely hidden (using make-frame-invisible), so
6034 we need it to avoid Bug#5482. It seems that iconified is only
6035 set for minimized windows that are still visible, so use that to
6036 determine the appropriate flag to pass ShowWindow. */
6037 my_show_window (f
, FRAME_W32_WINDOW (f
),
6038 FRAME_ICONIFIED_P (f
) ? SW_RESTORE
: SW_SHOWNORMAL
);
6041 /* Synchronize to ensure Emacs knows the frame is visible
6042 before we do anything else. We do this loop with input not blocked
6043 so that incoming events are handled. */
6048 /* This must come after we set COUNT. */
6051 XSETFRAME (frame
, f
);
6053 /* Wait until the frame is visible. Process X events until a
6054 MapNotify event has been seen, or until we think we won't get a
6055 MapNotify at all.. */
6056 for (count
= input_signal_count
+ 10;
6057 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
6059 /* Force processing of queued events. */
6060 /* TODO: x_sync equivalent? */
6062 /* Machines that do polling rather than SIGIO have been observed
6063 to go into a busy-wait here. So we'll fake an alarm signal
6064 to let the handler know that there's something to be read.
6065 We used to raise a real alarm, but it seems that the handler
6066 isn't always enabled here. This is probably a bug. */
6067 if (input_polling_used ())
6069 /* It could be confusing if a real alarm arrives while processing
6070 the fake one. Turn it off and let the handler reset it. */
6071 int old_poll_suppress_count
= poll_suppress_count
;
6072 poll_suppress_count
= 1;
6073 poll_for_input_1 ();
6074 poll_suppress_count
= old_poll_suppress_count
;
6080 /* Change from mapped state to withdrawn state. */
6082 /* Make the frame visible (mapped and not iconified). */
6085 x_make_frame_invisible (struct frame
*f
)
6087 /* Don't keep the highlight on an invisible frame. */
6088 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6089 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6093 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
6095 /* We can't distinguish this from iconification
6096 just by the event that we get from the server.
6097 So we can't win using the usual strategy of letting
6098 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
6099 and synchronize with the server to make sure we agree. */
6100 SET_FRAME_VISIBLE (f
, 0);
6101 SET_FRAME_ICONIFIED (f
, 0);
6106 /* Change window state from mapped to iconified. */
6109 x_iconify_frame (struct frame
*f
)
6113 /* Don't keep the highlight on an invisible frame. */
6114 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6115 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6117 if (FRAME_ICONIFIED_P (f
))
6122 type
= x_icon_type (f
);
6124 x_bitmap_icon (f
, type
);
6126 /* Simulate the user minimizing the frame. */
6127 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6129 SET_FRAME_VISIBLE (f
, 0);
6130 SET_FRAME_ICONIFIED (f
, 1);
6136 /* Free X resources of frame F. */
6139 x_free_frame_resources (struct frame
*f
)
6141 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6142 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
6146 /* We must free faces before destroying windows because some
6147 font-driver (e.g. xft) access a window while finishing a
6149 if (FRAME_FACE_CACHE (f
))
6150 free_frame_faces (f
);
6152 if (FRAME_W32_WINDOW (f
))
6153 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6155 free_frame_menubar (f
);
6157 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6158 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6159 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6160 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6161 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6162 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6163 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6164 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6165 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6166 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6168 if (FRAME_FACE_CACHE (f
))
6169 free_frame_faces (f
);
6171 xfree (f
->output_data
.w32
);
6172 f
->output_data
.w32
= NULL
;
6174 if (f
== dpyinfo
->w32_focus_frame
)
6175 dpyinfo
->w32_focus_frame
= 0;
6176 if (f
== dpyinfo
->w32_focus_event_frame
)
6177 dpyinfo
->w32_focus_event_frame
= 0;
6178 if (f
== dpyinfo
->x_highlight_frame
)
6179 dpyinfo
->x_highlight_frame
= 0;
6181 if (f
== hlinfo
->mouse_face_mouse_frame
)
6183 hlinfo
->mouse_face_beg_row
6184 = hlinfo
->mouse_face_beg_col
= -1;
6185 hlinfo
->mouse_face_end_row
6186 = hlinfo
->mouse_face_end_col
= -1;
6187 hlinfo
->mouse_face_window
= Qnil
;
6188 hlinfo
->mouse_face_mouse_frame
= 0;
6195 /* Destroy the window of frame F. */
6197 x_destroy_window (struct frame
*f
)
6199 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6201 x_free_frame_resources (f
);
6202 dpyinfo
->reference_count
--;
6206 /* Setting window manager hints. */
6208 /* Set the normal size hints for the window manager, for frame F.
6209 FLAGS is the flags word to use--or 0 meaning preserve the flags
6210 that the window now has.
6211 If USER_POSITION, set the USPosition
6212 flag (this is useful when FLAGS is 0). */
6214 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6216 Window window
= FRAME_W32_WINDOW (f
);
6220 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6221 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6222 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6223 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6228 /***********************************************************************
6230 ***********************************************************************/
6234 /* Check that FONT is valid on frame F. It is if it can be found in F's
6238 x_check_font (struct frame
*f
, struct font
*font
)
6240 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6241 if (font
->driver
->check
)
6242 eassert (font
->driver
->check (f
, font
) == 0);
6245 #endif /* GLYPH_DEBUG */
6249 /***********************************************************************
6251 ***********************************************************************/
6253 static int w32_initialized
= 0;
6256 w32_initialize_display_info (Lisp_Object display_name
)
6258 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6259 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
6261 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6263 /* Put it on w32_display_name_list. */
6264 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6265 w32_display_name_list
);
6266 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6268 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6269 + SCHARS (Vsystem_name
) + 2);
6270 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6271 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6273 /* Default Console mode values - overridden when running in GUI mode
6274 with values obtained from system metrics. */
6277 dpyinfo
->n_planes
= 1;
6278 dpyinfo
->n_cbits
= 4;
6279 dpyinfo
->n_fonts
= 0;
6280 dpyinfo
->smallest_font_height
= 1;
6281 dpyinfo
->smallest_char_width
= 1;
6283 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
6284 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
6285 hlinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6286 hlinfo
->mouse_face_window
= Qnil
;
6287 hlinfo
->mouse_face_overlay
= Qnil
;
6288 hlinfo
->mouse_face_hidden
= 0;
6290 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6291 /* TODO: dpyinfo->gray */
6295 /* Create an xrdb-style database of resources to supersede registry settings.
6296 The database is just a concatenation of C strings, finished by an additional
6297 \0. The strings are submitted to some basic normalization, so
6299 [ *]option[ *]:[ *]value...
6305 but any whitespace following value is not removed. */
6308 w32_make_rdb (char *xrm_option
)
6310 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6311 char *current
= buffer
;
6314 int before_value
= 0;
6328 if (in_option
&& (ch
== ':'))
6333 else if (before_value
)
6338 else if (!(in_option
|| before_value
))
6350 x_flush (struct frame
* f
)
6351 { /* Nothing to do */ }
6354 extern frame_parm_handler w32_frame_parm_handlers
[];
6356 static struct redisplay_interface w32_redisplay_interface
=
6358 w32_frame_parm_handlers
,
6362 x_clear_end_of_line
,
6364 x_after_update_window_line
,
6365 x_update_window_begin
,
6366 x_update_window_end
,
6369 0, /* flush_display_optional */
6370 x_clear_window_mouse_face
,
6371 x_get_glyph_overhangs
,
6372 x_fix_overlapping_area
,
6373 w32_draw_fringe_bitmap
,
6374 w32_define_fringe_bitmap
,
6375 w32_destroy_fringe_bitmap
,
6376 w32_compute_glyph_string_overhangs
,
6377 x_draw_glyph_string
,
6378 w32_define_frame_cursor
,
6379 w32_clear_frame_area
,
6380 w32_draw_window_cursor
,
6381 w32_draw_vertical_window_border
,
6382 w32_shift_glyphs_for_insert
6385 static void x_delete_terminal (struct terminal
*term
);
6387 static struct terminal
*
6388 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6390 struct terminal
*terminal
;
6392 terminal
= create_terminal ();
6394 terminal
->type
= output_w32
;
6395 terminal
->display_info
.w32
= dpyinfo
;
6396 dpyinfo
->terminal
= terminal
;
6398 /* MSVC does not type K&R functions with no arguments correctly, and
6399 so we must explicitly cast them. */
6400 terminal
->clear_frame_hook
= x_clear_frame
;
6401 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6402 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6403 terminal
->ring_bell_hook
= w32_ring_bell
;
6404 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6405 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6406 terminal
->update_begin_hook
= x_update_begin
;
6407 terminal
->update_end_hook
= x_update_end
;
6408 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6409 terminal
->read_socket_hook
= w32_read_socket
;
6410 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6411 terminal
->mouse_position_hook
= w32_mouse_position
;
6412 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6413 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6414 terminal
->fullscreen_hook
= w32fullscreen_hook
;
6415 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6416 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6417 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6418 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6420 terminal
->delete_frame_hook
= x_destroy_window
;
6421 terminal
->delete_terminal_hook
= x_delete_terminal
;
6423 terminal
->rif
= &w32_redisplay_interface
;
6424 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6425 terminal
->char_ins_del_ok
= 1;
6426 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6427 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6428 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6431 /* We don't yet support separate terminals on W32, so don't try to share
6432 keyboards between virtual terminals that are on the same physical
6433 terminal like X does. */
6434 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6435 init_kboard (terminal
->kboard
);
6436 kset_window_system (terminal
->kboard
, intern ("w32"));
6437 terminal
->kboard
->next_kboard
= all_kboards
;
6438 all_kboards
= terminal
->kboard
;
6439 /* Don't let the initial kboard remain current longer than necessary.
6440 That would cause problems if a file loaded on startup tries to
6441 prompt in the mini-buffer. */
6442 if (current_kboard
== initial_kboard
)
6443 current_kboard
= terminal
->kboard
;
6444 terminal
->kboard
->reference_count
++;
6450 x_delete_terminal (struct terminal
*terminal
)
6452 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6454 /* Protect against recursive calls. delete_frame in
6455 delete_terminal calls us back when it deletes our last frame. */
6456 if (!terminal
->name
)
6461 x_delete_display (dpyinfo
);
6465 struct w32_display_info
*
6466 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6468 struct w32_display_info
*dpyinfo
;
6469 struct terminal
*terminal
;
6474 if (!w32_initialized
)
6477 w32_initialized
= 1;
6480 w32_initialize_display_info (display_name
);
6482 dpyinfo
= &one_w32_display_info
;
6483 terminal
= w32_create_terminal (dpyinfo
);
6485 /* Set the name of the terminal. */
6486 terminal
->name
= xmalloc (SBYTES (display_name
) + 1);
6487 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6488 terminal
->name
[SBYTES (display_name
)] = 0;
6490 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6492 /* Put this display on the chain. */
6493 dpyinfo
->next
= x_display_list
;
6494 x_display_list
= dpyinfo
;
6498 dpyinfo
->root_window
= GetDesktopWindow ();
6499 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6500 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6501 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6502 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6503 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6504 ReleaseDC (NULL
, hdc
);
6506 /* initialize palette with white and black */
6509 w32_defined_color (0, "white", &color
, 1);
6510 w32_defined_color (0, "black", &color
, 1);
6514 /* Add the default keyboard. When !WINDOWSNT, we're using the
6515 standard Emacs console handling machinery and don't need an
6516 explicit FD here. */
6517 add_keyboard_wait_descriptor (0);
6519 /* /dev/windows wakes us up when we have a thread message pending. */
6520 add_keyboard_wait_descriptor (w32_message_fd
);
6523 /* Create Fringe Bitmaps and store them for later use.
6525 On W32, bitmaps are all unsigned short, as Windows requires
6526 bitmap data to be Word aligned. For some reason they are
6527 horizontally reflected compared to how they appear on X, so we
6528 need to bitswap and convert to unsigned shorts before creating
6530 w32_init_fringe (terminal
->rif
);
6537 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6539 x_delete_display (struct w32_display_info
*dpyinfo
)
6541 /* Discard this display from w32_display_name_list and w32_display_list.
6542 We can't use Fdelq because that can quit. */
6543 if (! NILP (w32_display_name_list
)
6544 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6545 w32_display_name_list
= XCDR (w32_display_name_list
);
6550 tail
= w32_display_name_list
;
6551 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6553 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6555 XSETCDR (tail
, XCDR (XCDR (tail
)));
6562 /* free palette table */
6564 struct w32_palette_entry
* plist
;
6566 plist
= dpyinfo
->color_list
;
6569 struct w32_palette_entry
* pentry
= plist
;
6570 plist
= plist
->next
;
6573 dpyinfo
->color_list
= NULL
;
6574 if (dpyinfo
->palette
)
6575 DeleteObject (dpyinfo
->palette
);
6577 xfree (dpyinfo
->w32_id_name
);
6579 w32_reset_fringes ();
6583 /* Set up use of W32. */
6585 DWORD WINAPI
w32_msg_worker (void * arg
);
6588 w32_initialize (void)
6591 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6595 w32_system_caret_hwnd
= NULL
;
6596 w32_system_caret_height
= 0;
6597 w32_system_caret_x
= 0;
6598 w32_system_caret_y
= 0;
6600 /* On Windows 7 and later, we need to set the user model ID
6601 to associate emacsclient launched files with Emacs frames
6603 shell
= GetModuleHandle ("shell32.dll");
6607 = (void *) GetProcAddress (shell
,
6608 "SetCurrentProcessExplicitAppUserModelID");
6610 /* If the function is defined, then we are running on Windows 7
6611 or newer, and the UI uses this to group related windows
6612 together. Since emacs, runemacs, emacsclient are related, we
6613 want them grouped even though the executables are different,
6614 so we need to set a consistent ID between them. */
6616 set_user_model (L
"GNU.Emacs");
6620 if ((w32_message_fd
= emacs_open ("/dev/windows", O_RDWR
, 0)) == -1)
6621 fatal ("opening /dev/windows: %s", strerror (errno
));
6624 /* Initialize w32_use_visible_system_caret based on whether a screen
6625 reader is in use. */
6626 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6627 &w32_use_visible_system_caret
, 0))
6628 w32_use_visible_system_caret
= 0;
6630 last_tool_bar_item
= -1;
6631 any_help_event_p
= 0;
6633 /* Initialize input mode: interrupt_input off, no flow control, allow
6634 8 bit character input, standard quit char. */
6635 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6638 DWORD input_locale_id
= ((DWORD_PTR
) GetKeyboardLayout (0) & 0xffffffff);
6639 w32_keyboard_codepage
=
6640 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6643 /* Create the window thread - it will terminate itself when the app
6647 dwMainThreadId
= GetCurrentThreadId ();
6648 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6649 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6651 /* Wait for thread to start */
6655 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6657 hWindowsThread
= CreateThread (NULL
, 0,
6659 0, 0, &dwWindowsThreadId
);
6661 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6664 /* It is desirable that mainThread should have the same notion of
6665 focus window and active window as windowsThread. Unfortunately, the
6666 following call to AttachThreadInput, which should do precisely what
6667 we need, causes major problems when Emacs is linked as a console
6668 program. Unfortunately, we have good reasons for doing that, so
6669 instead we need to send messages to windowsThread to make some API
6670 calls for us (ones that affect, or depend on, the active/focus
6672 #ifdef ATTACH_THREADS
6673 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6676 /* Dynamically link to optional system components. */
6678 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6680 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6682 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6686 /* Ensure scrollbar handle is at least 5 pixels. */
6687 vertical_scroll_bar_min_handle
= 5;
6689 /* For either kind of scroll bar, take account of the arrows; these
6690 effectively form the border of the main scroll bar range. */
6691 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6692 = GetSystemMetrics (SM_CYVSCROLL
);
6697 syms_of_w32term (void)
6699 staticpro (&w32_display_name_list
);
6700 w32_display_name_list
= Qnil
;
6702 staticpro (&last_mouse_scroll_bar
);
6703 last_mouse_scroll_bar
= Qnil
;
6705 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6707 DEFSYM (Qadded
, "added");
6708 DEFSYM (Qremoved
, "removed");
6709 DEFSYM (Qmodified
, "modified");
6710 DEFSYM (Qrenamed_from
, "renamed-from");
6711 DEFSYM (Qrenamed_to
, "renamed-to");
6713 DEFVAR_INT ("w32-num-mouse-buttons",
6714 w32_num_mouse_buttons
,
6715 doc
: /* Number of physical mouse buttons. */);
6716 w32_num_mouse_buttons
= 2;
6718 DEFVAR_LISP ("w32-swap-mouse-buttons",
6719 Vw32_swap_mouse_buttons
,
6720 doc
: /* Swap the mapping of middle and right mouse buttons.
6721 When nil, middle button is mouse-2 and right button is mouse-3. */);
6722 Vw32_swap_mouse_buttons
= Qnil
;
6724 DEFVAR_LISP ("w32-grab-focus-on-raise",
6725 Vw32_grab_focus_on_raise
,
6726 doc
: /* Raised frame grabs input focus.
6727 When t, `raise-frame' grabs input focus as well. This fits well
6728 with the normal Windows click-to-focus policy, but might not be
6729 desirable when using a point-to-focus policy. */);
6730 Vw32_grab_focus_on_raise
= Qt
;
6732 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6733 Vw32_capslock_is_shiftlock
,
6734 doc
: /* Apply CapsLock state to non character input keys.
6735 When nil, CapsLock only affects normal character input keys. */);
6736 Vw32_capslock_is_shiftlock
= Qnil
;
6738 DEFVAR_LISP ("w32-recognize-altgr",
6739 Vw32_recognize_altgr
,
6740 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6741 When nil, the right-alt and left-ctrl key combination is
6742 interpreted normally. */);
6743 Vw32_recognize_altgr
= Qt
;
6745 DEFVAR_BOOL ("w32-use-visible-system-caret",
6746 w32_use_visible_system_caret
,
6747 doc
: /* Flag to make the system caret visible.
6748 When this is non-nil, Emacs will indicate the position of point by
6749 using the system caret instead of drawing its own cursor. Some screen
6750 reader software does not track the system cursor properly when it is
6751 invisible, and gets confused by Emacs drawing its own cursor, so this
6752 variable is initialized to t when Emacs detects that screen reader
6753 software is running as it starts up.
6755 When this variable is set, other variables affecting the appearance of
6756 the cursor have no effect. */);
6758 w32_use_visible_system_caret
= 0;
6760 /* We don't yet support this, but defining this here avoids whining
6761 from cus-start.el and other places, like "M-x set-variable". */
6762 DEFVAR_BOOL ("x-use-underline-position-properties",
6763 x_use_underline_position_properties
,
6764 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6765 A value of nil means ignore them. If you encounter fonts with bogus
6766 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6767 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6768 to override the font's UNDERLINE_POSITION for small font display
6770 x_use_underline_position_properties
= 0;
6772 DEFVAR_BOOL ("x-underline-at-descent-line",
6773 x_underline_at_descent_line
,
6774 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6775 A value of nil means to draw the underline according to the value of the
6776 variable `x-use-underline-position-properties', which is usually at the
6777 baseline level. The default value is nil. */);
6778 x_underline_at_descent_line
= 0;
6780 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6781 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6782 A value of nil means Emacs doesn't use toolkit scroll bars.
6783 With the X Window system, the value is a symbol describing the
6784 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6785 With MS Windows or Nextstep, the value is t. */);
6786 Vx_toolkit_scroll_bars
= Qt
;
6788 staticpro (&last_mouse_motion_frame
);
6789 last_mouse_motion_frame
= Qnil
;
6791 Fprovide (intern_c_string ("w32"), Qnil
);