1 /* Implementation of GUI terminal on the Microsoft Windows API.
3 Copyright (C) 1989, 1993-2012 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
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. */
116 typedef struct tagWCRANGE
122 typedef struct tagGLYPHSET
126 DWORD cGlyphsSupported
;
131 #endif /* compiling for pre-Win2k */
133 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
134 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
137 #define LWA_ALPHA 0x02
139 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
140 later targets by MSVC headers. */
141 #ifndef WS_EX_LAYERED
142 #define WS_EX_LAYERED 0x80000
145 /* This is a frame waiting to be autoraised, within w32_read_socket. */
146 struct frame
*pending_autoraise_frame
;
148 /* The handle of the frame that currently owns the system caret. */
149 HWND w32_system_caret_hwnd
;
150 int w32_system_caret_height
;
151 int w32_system_caret_x
;
152 int w32_system_caret_y
;
153 DWORD dwWindowsThreadId
= 0;
154 HANDLE hWindowsThread
= NULL
;
155 DWORD dwMainThreadId
= 0;
156 HANDLE hMainThread
= NULL
;
158 int vertical_scroll_bar_min_handle
;
159 int vertical_scroll_bar_top_border
;
160 int vertical_scroll_bar_bottom_border
;
162 int last_scroll_bar_drag_pos
;
164 /* Keyboard code page - may be changed by language-change events. */
165 int w32_keyboard_codepage
;
167 /* Mouse movement. */
169 /* Where the mouse was last time we reported a mouse event. */
170 static RECT last_mouse_glyph
;
171 static FRAME_PTR last_mouse_glyph_frame
;
173 /* The scroll bar in which the last motion event occurred.
175 If the last motion event occurred in a scroll bar, we set this
176 so w32_mouse_position can know whether to report a scroll bar motion or
179 If the last motion event didn't occur in a scroll bar, we set this
180 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
181 static Lisp_Object last_mouse_scroll_bar
;
182 static int last_mouse_scroll_bar_pos
;
184 /* This is a hack. We would really prefer that w32_mouse_position would
185 return the time associated with the position it returns, but there
186 doesn't seem to be any way to wrest the time-stamp from the server
187 along with the position query. So, we just keep track of the time
188 of the last movement we received, and return that in hopes that
189 it's somewhat accurate. */
190 static Time last_mouse_movement_time
;
192 /* Incremented by w32_read_socket whenever it really tries to read
195 static int volatile input_signal_count
;
197 static int input_signal_count
;
201 int w32_message_fd
= -1;
204 static void x_update_window_end (struct window
*, int, int);
205 static void w32_handle_tool_bar_click (struct frame
*,
206 struct input_event
*);
207 static void w32_define_cursor (Window
, Cursor
);
209 void x_lower_frame (struct frame
*);
210 void x_scroll_bar_clear (struct frame
*);
211 void x_wm_set_size_hint (struct frame
*, long, bool);
212 void x_raise_frame (struct frame
*);
213 void x_set_window_size (struct frame
*, int, int, int);
214 void x_wm_set_window_state (struct frame
*, int);
215 void x_wm_set_icon_pixmap (struct frame
*, int);
216 static void w32_initialize (void);
217 static void x_update_end (struct frame
*);
218 static void w32_frame_up_to_date (struct frame
*);
219 static void w32_set_terminal_modes (struct terminal
*);
220 static void w32_reset_terminal_modes (struct terminal
*);
221 static void x_clear_frame (struct frame
*);
222 static void frame_highlight (struct frame
*);
223 static void frame_unhighlight (struct frame
*);
224 static void x_new_focus_frame (struct w32_display_info
*,
226 static void x_focus_changed (int, int, struct w32_display_info
*,
227 struct frame
*, struct input_event
*);
228 static void w32_detect_focus_change (struct w32_display_info
*,
229 W32Msg
*, struct input_event
*);
230 static void w32_frame_rehighlight (struct frame
*);
231 static void x_frame_rehighlight (struct w32_display_info
*);
232 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
233 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
234 enum text_cursor_kinds
);
235 static void w32_clip_to_row (struct window
*, struct glyph_row
*, int, HDC
);
236 static BOOL
my_show_window (struct frame
*, HWND
, int);
237 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
239 static void my_set_focus (struct frame
*, HWND
);
241 static void my_set_foreground_window (HWND
);
242 static void my_destroy_window (struct frame
*, HWND
);
245 static void x_check_font (struct frame
*, struct font
*);
248 static Lisp_Object Qvendor_specific_keysyms
;
249 static Lisp_Object Qadded
, Qremoved
, Qmodified
;
250 static Lisp_Object Qrenamed_from
, Qrenamed_to
;
253 /***********************************************************************
255 ***********************************************************************/
259 /* This is a function useful for recording debugging information about
260 the sequence of occurrences in this file. */
268 struct record event_record
[100];
270 int event_record_index
;
272 record_event (char *locus
, int type
)
274 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
275 event_record_index
= 0;
277 event_record
[event_record_index
].locus
= locus
;
278 event_record
[event_record_index
].type
= type
;
279 event_record_index
++;
286 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
289 if (mask
& GCForeground
)
290 gc
->foreground
= xgcv
->foreground
;
291 if (mask
& GCBackground
)
292 gc
->background
= xgcv
->background
;
294 gc
->font
= xgcv
->font
;
298 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
300 XGCValues
*gc
= xzalloc (sizeof (XGCValues
));
302 XChangeGC (ignore
, gc
, mask
, xgcv
);
308 XGetGCValues (void *ignore
, XGCValues
*gc
,
309 unsigned long mask
, XGCValues
*xgcv
)
311 XChangeGC (ignore
, xgcv
, mask
, gc
);
315 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
319 HRGN clip_region
= CreateRectRgnIndirect (rect
);
320 SelectClipRgn (hdc
, clip_region
);
321 DeleteObject (clip_region
);
324 SelectClipRgn (hdc
, NULL
);
327 /* Restore clipping rectangle in S */
329 w32_restore_glyph_string_clip (struct glyph_string
*s
)
332 int n
= s
->num_clips
;
335 w32_set_clip_rectangle (s
->hdc
, r
);
338 HRGN clip1
= CreateRectRgnIndirect (r
);
339 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
340 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
341 SelectClipRgn (s
->hdc
, clip1
);
342 DeleteObject (clip1
);
343 DeleteObject (clip2
);
348 Draw a wavy line under S. The wave fills wave_height pixels from y0.
354 wave_height = 3 | * * * *
359 w32_draw_underwave (struct glyph_string
*s
, COLORREF color
)
361 int wave_height
= 2, wave_length
= 3;
362 int dx
, dy
, x0
, y0
, width
, x1
, y1
, x2
, y2
, odd
, xmax
;
363 XRectangle wave_clip
, string_clip
, final_clip
;
364 RECT w32_final_clip
, w32_string_clip
;
368 dy
= wave_height
- 1;
374 /* Find and set clipping rectangle */
378 wave_clip
.width
= width
;
379 wave_clip
.height
= wave_height
;
381 get_glyph_string_clip_rect (s
, &w32_string_clip
);
382 CONVERT_TO_XRECT (string_clip
, w32_string_clip
);
384 if (!x_intersect_rectangles (&wave_clip
, &string_clip
, &final_clip
))
387 hp
= CreatePen (PS_SOLID
, 0, color
);
388 oldhp
= SelectObject (s
->hdc
, hp
);
389 CONVERT_FROM_XRECT (final_clip
, w32_final_clip
);
390 w32_set_clip_rectangle (s
->hdc
, &w32_final_clip
);
404 MoveToEx (s
->hdc
, x1
, y1
, NULL
);
408 LineTo (s
->hdc
, x2
, y2
);
410 x2
+= dx
, y2
= y0
+ odd
*dy
;
414 /* Restore previous pen and clipping rectangle(s) */
415 w32_restore_glyph_string_clip (s
);
416 SelectObject (s
->hdc
, oldhp
);
420 /* Draw a hollow rectangle at the specified position. */
422 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
423 int width
, int height
)
428 hb
= CreateSolidBrush (gc
->background
);
429 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
430 oldhb
= SelectObject (hdc
, hb
);
431 oldhp
= SelectObject (hdc
, hp
);
433 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
435 SelectObject (hdc
, oldhb
);
436 SelectObject (hdc
, oldhp
);
441 /* Draw a filled rectangle at the specified position. */
443 w32_fill_rect (FRAME_PTR f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
447 hb
= CreateSolidBrush (pix
);
448 FillRect (hdc
, lprect
, hb
);
453 w32_clear_window (FRAME_PTR f
)
456 HDC hdc
= get_frame_dc (f
);
458 /* Under certain conditions, this can be called at startup with
459 a console frame pointer before the GUI frame is created. An HDC
460 of 0 indicates this. */
463 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
464 w32_clear_rect (f
, hdc
, &rect
);
467 release_frame_dc (f
, hdc
);
470 #define OPAQUE_FRAME 255
473 x_set_frame_alpha (struct frame
*f
)
475 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
477 double alpha_min
= 1.0;
480 HWND window
= FRAME_W32_WINDOW (f
);
482 /* Older versions of Windows do not support transparency. */
483 if (!pfnSetLayeredWindowAttributes
)
486 if (dpyinfo
->x_highlight_frame
== f
)
491 if (FLOATP (Vframe_alpha_lower_limit
))
492 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
493 else if (INTEGERP (Vframe_alpha_lower_limit
))
494 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
498 else if (alpha
> 1.0)
500 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
503 opac
= alpha
* OPAQUE_FRAME
;
505 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
507 if (opac
== OPAQUE_FRAME
)
508 ex_style
&= ~WS_EX_LAYERED
;
510 ex_style
|= WS_EX_LAYERED
;
512 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
514 if (opac
!= OPAQUE_FRAME
)
515 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
519 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
521 HDC dc
= GetDC (NULL
);
522 int pixels
= GetDeviceCaps (dc
, VERTRES
);
523 ReleaseDC (NULL
, dc
);
528 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
530 HDC dc
= GetDC (NULL
);
531 int pixels
= GetDeviceCaps (dc
, HORZRES
);
532 ReleaseDC (NULL
, dc
);
537 /***********************************************************************
538 Starting and ending an update
539 ***********************************************************************/
541 /* Start an update of frame F. This function is installed as a hook
542 for update_begin, i.e. it is called when update_begin is called.
543 This function is called prior to calls to x_update_window_begin for
544 each window being updated. */
547 x_update_begin (struct frame
*f
)
549 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
551 if (! FRAME_W32_P (f
))
554 /* Regenerate display palette before drawing if list of requested
555 colors has changed. */
556 if (display_info
->regen_palette
)
558 w32_regenerate_palette (f
);
559 display_info
->regen_palette
= FALSE
;
564 /* Start update of window W. Set the global variable updated_window
565 to the window being updated and set output_cursor to the cursor
569 x_update_window_begin (struct window
*w
)
571 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
572 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
574 /* Hide the system caret during an update. */
575 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
577 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
581 set_output_cursor (&w
->cursor
);
585 if (f
== hlinfo
->mouse_face_mouse_frame
)
587 /* Don't do highlighting for mouse motion during the update. */
588 hlinfo
->mouse_face_defer
= 1;
590 /* If F needs to be redrawn, simply forget about any prior mouse
592 if (FRAME_GARBAGED_P (f
))
593 hlinfo
->mouse_face_window
= Qnil
;
595 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
596 their mouse_face_p flag set, which means that they are always
597 unequal to rows in a desired matrix which never have that
598 flag set. So, rows containing mouse-face glyphs are never
599 scrolled, and we don't have to switch the mouse highlight off
600 here to prevent it from being scrolled. */
602 /* Can we tell that this update does not affect the window
603 where the mouse highlight is? If so, no need to turn off.
604 Likewise, don't do anything if the frame is garbaged;
605 in that case, the frame's current matrix that we would use
606 is all wrong, and we will redisplay that line anyway. */
607 if (!NILP (hlinfo
->mouse_face_window
)
608 && w
== XWINDOW (hlinfo
->mouse_face_window
))
612 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
613 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
616 if (i
< w
->desired_matrix
->nrows
)
617 clear_mouse_face (hlinfo
);
625 /* Draw a vertical window border from (x,y0) to (x,y1) */
628 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
630 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
640 hdc
= get_frame_dc (f
);
641 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
643 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
645 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
647 release_frame_dc (f
, hdc
);
651 /* End update of window W (which is equal to updated_window).
653 Draw vertical borders between horizontally adjacent windows, and
654 display W's cursor if CURSOR_ON_P is non-zero.
656 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
657 glyphs in mouse-face were overwritten. In that case we have to
658 make sure that the mouse-highlight is properly redrawn.
660 W may be a menu bar pseudo-window in case we don't have X toolkit
661 support. Such windows don't have a cursor, so don't display it
665 x_update_window_end (struct window
*w
, int cursor_on_p
,
666 int mouse_face_overwritten_p
)
668 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (XFRAME (w
->frame
));
670 if (!w
->pseudo_window_p
)
675 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
677 output_cursor
.x
, output_cursor
.y
);
679 if (draw_window_fringes (w
, 1))
680 x_draw_vertical_border (w
);
685 /* If a row with mouse-face was overwritten, arrange for
686 XTframe_up_to_date to redisplay the mouse highlight. */
687 if (mouse_face_overwritten_p
)
689 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
690 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
691 hlinfo
->mouse_face_window
= Qnil
;
694 /* Unhide the caret. This won't actually show the cursor, unless it
695 was visible before the corresponding call to HideCaret in
696 x_update_window_begin. */
697 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
699 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
702 updated_window
= NULL
;
706 /* End update of frame F. This function is installed as a hook in
710 x_update_end (struct frame
*f
)
712 if (! FRAME_W32_P (f
))
715 /* Mouse highlight may be displayed again. */
716 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
720 /* This function is called from various places in xdisp.c whenever a
721 complete update has been performed. The global variable
722 updated_window is not available here. */
725 w32_frame_up_to_date (struct frame
*f
)
729 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
731 if (hlinfo
->mouse_face_deferred_gc
732 || f
== hlinfo
->mouse_face_mouse_frame
)
735 if (hlinfo
->mouse_face_mouse_frame
)
736 note_mouse_highlight (hlinfo
->mouse_face_mouse_frame
,
737 hlinfo
->mouse_face_mouse_x
,
738 hlinfo
->mouse_face_mouse_y
);
739 hlinfo
->mouse_face_deferred_gc
= 0;
746 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
747 arrow bitmaps, or clear the fringes if no bitmaps are required
748 before DESIRED_ROW is made current. The window being updated is
749 found in updated_window. This function is called from
750 update_window_line only if it is known that there are differences
751 between bitmaps to be drawn between current row and DESIRED_ROW. */
754 x_after_update_window_line (struct glyph_row
*desired_row
)
756 struct window
*w
= updated_window
;
762 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
763 desired_row
->redraw_fringe_bitmaps_p
= 1;
765 /* When a window has disappeared, make sure that no rest of
766 full-width rows stays visible in the internal border. Could
767 check here if updated_window is the leftmost/rightmost window,
768 but I guess it's not worth doing since vertically split windows
769 are almost never used, internal border is rarely set, and the
770 overhead is very small. */
771 if (windows_or_buffers_changed
772 && desired_row
->full_width_p
773 && (f
= XFRAME (w
->frame
),
774 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
776 && (height
= desired_row
->visible_height
,
779 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
783 HDC hdc
= get_frame_dc (f
);
784 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
785 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
787 release_frame_dc (f
, hdc
);
794 /* Draw the bitmap WHICH in one of the left or right fringes of
795 window W. ROW is the glyph row for which to display the bitmap; it
796 determines the vertical position at which the bitmap has to be
800 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
801 struct draw_fringe_bitmap_params
*p
)
803 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
805 struct face
*face
= p
->face
;
807 hdc
= get_frame_dc (f
);
811 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
813 /* If the fringe is adjacent to the left (right) scroll bar of a
814 leftmost (rightmost, respectively) window, then extend its
815 background to the gap between the fringe and the bar. */
816 if ((WINDOW_LEFTMOST_P (w
)
817 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
818 || (WINDOW_RIGHTMOST_P (w
)
819 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
821 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
825 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
826 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
827 * FRAME_COLUMN_WIDTH (f
));
831 /* Bitmap fills the fringe. */
832 if (bar_area_x
+ bar_area_width
== p
->x
)
833 bx
= bar_area_x
+ sb_width
;
834 else if (p
->x
+ p
->wd
== bar_area_x
)
838 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
840 nx
= bar_area_width
- sb_width
;
841 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
843 ny
= row
->visible_height
;
848 if (bar_area_x
+ bar_area_width
== bx
)
850 bx
= bar_area_x
+ sb_width
;
851 nx
+= bar_area_width
- sb_width
;
853 else if (bx
+ nx
== bar_area_x
)
854 nx
+= bar_area_width
- sb_width
;
859 if (bx
>= 0 && nx
> 0)
860 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
863 /* Must clip because of partially visible lines. */
864 w32_clip_to_row (w
, row
, -1, hdc
);
866 if (p
->which
&& p
->which
< max_fringe_bmp
)
868 HBITMAP pixmap
= fringe_bmp
[p
->which
];
872 compat_hdc
= CreateCompatibleDC (hdc
);
876 horig_obj
= SelectObject (compat_hdc
, pixmap
);
878 /* Paint overlays transparently. */
881 HBRUSH h_brush
, h_orig_brush
;
883 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
884 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
885 h_brush
= CreateSolidBrush (face
->foreground
);
886 h_orig_brush
= SelectObject (hdc
, h_brush
);
888 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
889 compat_hdc
, 0, p
->dh
,
891 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
892 compat_hdc
, 0, p
->dh
,
894 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
895 compat_hdc
, 0, p
->dh
,
898 SelectObject (hdc
, h_orig_brush
);
899 DeleteObject (h_brush
);
903 SetTextColor (hdc
, face
->background
);
904 SetBkColor (hdc
, (p
->cursor_p
905 ? f
->output_data
.w32
->cursor_pixel
906 : face
->foreground
));
908 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
909 compat_hdc
, 0, p
->dh
,
913 SelectObject (compat_hdc
, horig_obj
);
914 DeleteDC (compat_hdc
);
918 w32_set_clip_rectangle (hdc
, NULL
);
920 release_frame_dc (f
, hdc
);
924 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
926 if (which
>= max_fringe_bmp
)
928 int i
= max_fringe_bmp
;
929 max_fringe_bmp
= which
+ 20;
930 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
931 while (i
< max_fringe_bmp
)
935 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
939 w32_destroy_fringe_bitmap (int which
)
941 if (which
>= max_fringe_bmp
)
944 if (fringe_bmp
[which
])
945 DeleteObject (fringe_bmp
[which
]);
946 fringe_bmp
[which
] = 0;
951 /* This is called when starting Emacs and when restarting after
952 suspend. When starting Emacs, no window is mapped. And nothing
953 must be done to Emacs's own window if it is suspended (though that
957 w32_set_terminal_modes (struct terminal
*term
)
961 /* This is called when exiting or suspending Emacs. Exiting will make
962 the W32 windows go away, and suspending requires no action. */
965 w32_reset_terminal_modes (struct terminal
*term
)
971 /***********************************************************************
973 ***********************************************************************/
975 /* Function prototypes of this page. */
977 static void x_set_glyph_string_clipping (struct glyph_string
*);
978 static void x_set_glyph_string_gc (struct glyph_string
*);
979 static void x_draw_glyph_string_background (struct glyph_string
*,
981 static void x_draw_glyph_string_foreground (struct glyph_string
*);
982 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
983 static void x_draw_glyph_string_box (struct glyph_string
*);
984 static void x_draw_glyph_string (struct glyph_string
*);
985 static void x_set_cursor_gc (struct glyph_string
*);
986 static void x_set_mode_line_face_gc (struct glyph_string
*);
987 static void x_set_mouse_face_gc (struct glyph_string
*);
988 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
989 static void w32_setup_relief_color (struct frame
*, struct relief
*,
990 double, int, COLORREF
);
991 static void x_setup_relief_colors (struct glyph_string
*);
992 static void x_draw_image_glyph_string (struct glyph_string
*);
993 static void x_draw_image_relief (struct glyph_string
*);
994 static void x_draw_image_foreground (struct glyph_string
*);
995 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
996 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
998 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
999 int, int, int, int, int, int,
1001 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
1002 int, int, int, RECT
*);
1005 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1009 x_set_cursor_gc (struct glyph_string
*s
)
1011 if (s
->font
== FRAME_FONT (s
->f
)
1012 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1013 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1015 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1018 /* Cursor on non-default face: must merge. */
1022 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1023 xgcv
.foreground
= s
->face
->background
;
1025 /* If the glyph would be invisible, try a different foreground. */
1026 if (xgcv
.foreground
== xgcv
.background
)
1027 xgcv
.foreground
= s
->face
->foreground
;
1028 if (xgcv
.foreground
== xgcv
.background
)
1029 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1030 if (xgcv
.foreground
== xgcv
.background
)
1031 xgcv
.foreground
= s
->face
->foreground
;
1033 /* Make sure the cursor is distinct from text in this face. */
1034 if (xgcv
.background
== s
->face
->background
1035 && xgcv
.foreground
== s
->face
->foreground
)
1037 xgcv
.background
= s
->face
->foreground
;
1038 xgcv
.foreground
= s
->face
->background
;
1041 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1042 xgcv
.font
= s
->font
;
1043 mask
= GCForeground
| GCBackground
| GCFont
;
1045 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1046 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1049 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1050 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1052 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1057 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1060 x_set_mouse_face_gc (struct glyph_string
*s
)
1065 /* What face has to be used last for the mouse face? */
1066 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
1067 face
= FACE_FROM_ID (s
->f
, face_id
);
1069 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1071 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1072 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1074 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1075 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1076 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1078 /* If font in this face is same as S->font, use it. */
1079 if (s
->font
== s
->face
->font
)
1080 s
->gc
= s
->face
->gc
;
1083 /* Otherwise construct scratch_cursor_gc with values from FACE
1088 xgcv
.background
= s
->face
->background
;
1089 xgcv
.foreground
= s
->face
->foreground
;
1090 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1091 xgcv
.font
= s
->font
;
1092 mask
= GCForeground
| GCBackground
| GCFont
;
1094 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1095 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1098 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1099 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1101 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1104 eassert (s
->gc
!= 0);
1108 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1109 Faces to use in the mode line have already been computed when the
1110 matrix was built, so there isn't much to do, here. */
1113 x_set_mode_line_face_gc (struct glyph_string
*s
)
1115 s
->gc
= s
->face
->gc
;
1119 /* Set S->gc of glyph string S for drawing that glyph string. Set
1120 S->stippled_p to a non-zero value if the face of S has a stipple
1124 x_set_glyph_string_gc (struct glyph_string
*s
)
1126 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1128 if (s
->hl
== DRAW_NORMAL_TEXT
)
1130 s
->gc
= s
->face
->gc
;
1131 s
->stippled_p
= s
->face
->stipple
!= 0;
1133 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1135 x_set_mode_line_face_gc (s
);
1136 s
->stippled_p
= s
->face
->stipple
!= 0;
1138 else if (s
->hl
== DRAW_CURSOR
)
1140 x_set_cursor_gc (s
);
1143 else if (s
->hl
== DRAW_MOUSE_FACE
)
1145 x_set_mouse_face_gc (s
);
1146 s
->stippled_p
= s
->face
->stipple
!= 0;
1148 else if (s
->hl
== DRAW_IMAGE_RAISED
1149 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1151 s
->gc
= s
->face
->gc
;
1152 s
->stippled_p
= s
->face
->stipple
!= 0;
1156 s
->gc
= s
->face
->gc
;
1157 s
->stippled_p
= s
->face
->stipple
!= 0;
1160 /* GC must have been set. */
1161 eassert (s
->gc
!= 0);
1165 /* Set clipping for output of glyph string S. S may be part of a mode
1166 line or menu if we don't have X toolkit support. */
1169 x_set_glyph_string_clipping (struct glyph_string
*s
)
1172 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1175 w32_set_clip_rectangle (s
->hdc
, r
);
1178 HRGN clip1
= CreateRectRgnIndirect (r
);
1179 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1180 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1181 SelectClipRgn (s
->hdc
, clip1
);
1182 DeleteObject (clip1
);
1183 DeleteObject (clip2
);
1188 /* Set SRC's clipping for output of glyph string DST. This is called
1189 when we are drawing DST's left_overhang or right_overhang only in
1193 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1194 struct glyph_string
*dst
)
1199 r
.right
= r
.left
+ src
->width
;
1201 r
.bottom
= r
.top
+ src
->height
;
1204 w32_set_clip_rectangle (dst
->hdc
, &r
);
1208 Compute left and right overhang of glyph string S. */
1211 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1214 && s
->first_glyph
->type
== CHAR_GLYPH
1215 && !s
->font_not_found_p
)
1217 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1218 struct font
*font
= s
->font
;
1219 struct font_metrics metrics
;
1222 for (i
= 0; i
< s
->nchars
; i
++)
1223 code
[i
] = s
->char2b
[i
];
1224 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1225 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1226 ? metrics
.rbearing
- metrics
.width
: 0);
1227 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1231 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1232 s
->left_overhang
= -s
->cmp
->lbearing
;
1236 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1239 x_clear_glyph_string_rect (struct glyph_string
*s
,
1240 int x
, int y
, int w
, int h
)
1247 /* Take clipping into account. */
1248 if (s
->gc
->clip_mask
== Rect
)
1250 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1251 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1252 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1253 - s
->gc
->clip_rectangle
.left
);
1254 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1255 - s
->gc
->clip_rectangle
.top
);
1258 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1263 /* Draw the background of glyph_string S. If S->background_filled_p
1264 is non-zero don't draw it. FORCE_P non-zero means draw the
1265 background even if it wouldn't be drawn normally. This is used
1266 when a string preceding S draws into the background of S, or S
1267 contains the first component of a composition. */
1270 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1272 /* Nothing to do if background has already been drawn or if it
1273 shouldn't be drawn in the first place. */
1274 if (!s
->background_filled_p
)
1276 int box_line_width
= max (s
->face
->box_line_width
, 0);
1278 #if 0 /* TODO: stipple */
1281 /* Fill background with a stipple pattern. */
1282 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1283 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1284 s
->y
+ box_line_width
,
1285 s
->background_width
,
1286 s
->height
- 2 * box_line_width
);
1287 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1288 s
->background_filled_p
= 1;
1292 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1293 || s
->font_not_found_p
1294 || s
->extends_to_end_of_line_p
1297 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1298 s
->background_width
,
1299 s
->height
- 2 * box_line_width
);
1300 s
->background_filled_p
= 1;
1306 /* Draw the foreground of glyph string S. */
1309 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1313 /* If first glyph of S has a left box line, start drawing the text
1314 of S to the right of that box line. */
1315 if (s
->face
->box
!= FACE_NO_BOX
1316 && s
->first_glyph
->left_box_line_p
)
1317 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1321 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1322 SetBkColor (s
->hdc
, s
->gc
->background
);
1323 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1325 /* Draw characters of S as rectangles if S's font could not be
1327 if (s
->font_not_found_p
)
1329 for (i
= 0; i
< s
->nchars
; ++i
)
1331 struct glyph
*g
= s
->first_glyph
+ i
;
1333 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1335 x
+= g
->pixel_width
;
1340 struct font
*font
= s
->font
;
1341 int boff
= font
->baseline_offset
;
1345 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1347 if (font
->vertical_centering
)
1348 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1350 y
= s
->ybase
- boff
;
1352 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1353 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1355 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1356 if (s
->face
->overstrike
)
1357 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1359 SelectObject (s
->hdc
, old_font
);
1363 /* Draw the foreground of composite glyph string S. */
1366 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1369 struct font
*font
= s
->font
;
1371 /* If first glyph of S has a left box line, start drawing the text
1372 of S to the right of that box line. */
1373 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1374 && s
->first_glyph
->left_box_line_p
)
1375 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1379 /* S is a glyph string for a composition. S->cmp_from is the index
1380 of the first character drawn for glyphs of this composition.
1381 S->cmp_from == 0 means we are drawing the very first character of
1382 this composition. */
1384 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1385 SetBkColor (s
->hdc
, s
->gc
->background
);
1386 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1388 /* Draw a rectangle for the composition if the font for the very
1389 first character of the composition could not be loaded. */
1390 if (s
->font_not_found_p
)
1392 if (s
->cmp_from
== 0)
1393 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1396 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1401 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1403 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1404 /* TAB in a composition means display glyphs with padding
1405 space on the left or right. */
1406 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1408 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1409 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1411 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1412 if (s
->face
->overstrike
)
1413 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1415 SelectObject (s
->hdc
, old_font
);
1419 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1425 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1427 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1429 glyph
= LGSTRING_GLYPH (gstring
, i
);
1430 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1431 width
+= LGLYPH_WIDTH (glyph
);
1434 int xoff
, yoff
, wadjust
;
1438 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1441 xoff
= LGLYPH_XOFF (glyph
);
1442 yoff
= LGLYPH_YOFF (glyph
);
1443 wadjust
= LGLYPH_WADJUST (glyph
);
1444 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1451 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1453 SelectObject (s
->hdc
, old_font
);
1458 /* Draw the foreground of glyph string S for glyphless characters. */
1461 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1463 struct glyph
*glyph
= s
->first_glyph
;
1466 int with_background
;
1468 /* If first glyph of S has a left box line, start drawing the text
1469 of S to the right of that box line. */
1470 if (s
->face
->box
!= FACE_NO_BOX
1471 && s
->first_glyph
->left_box_line_p
)
1472 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1476 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1477 SetBkColor (s
->hdc
, s
->gc
->background
);
1478 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1481 with_background
= ! (s
->for_overlaps
1482 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1483 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1485 char buf
[7], *str
= NULL
;
1486 int len
= glyph
->u
.glyphless
.len
;
1488 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1491 && CHAR_TABLE_P (Vglyphless_char_display
)
1492 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1496 = (! glyph
->u
.glyphless
.for_no_font
1497 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1498 glyph
->u
.glyphless
.ch
)
1499 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1500 if (STRINGP (acronym
))
1501 str
= SSDATA (acronym
);
1504 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1506 sprintf ((char *) buf
, "%0*X",
1507 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1508 glyph
->u
.glyphless
.ch
);
1512 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1513 w32_draw_rectangle (s
->hdc
, s
->gc
,
1514 x
, s
->ybase
- glyph
->ascent
,
1515 glyph
->pixel_width
- 1,
1516 glyph
->ascent
+ glyph
->descent
- 1);
1519 struct font
*font
= s
->font
;
1520 int upper_len
= (len
+ 1) / 2;
1524 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1525 /* It is certain that all LEN characters in STR are ASCII. */
1526 for (j
= 0; j
< len
; j
++)
1528 code
= font
->driver
->encode_char (font
, str
[j
]);
1529 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1531 font
->driver
->draw (s
, 0, upper_len
,
1532 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1533 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1535 font
->driver
->draw (s
, upper_len
, len
,
1536 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1537 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1539 SelectObject (s
->hdc
, old_font
);
1541 x
+= glyph
->pixel_width
;
1546 /* Brightness beyond which a color won't have its highlight brightness
1549 Nominally, highlight colors for `3d' faces are calculated by
1550 brightening an object's color by a constant scale factor, but this
1551 doesn't yield good results for dark colors, so for colors whose
1552 brightness is less than this value (on a scale of 0-255) have to
1553 use an additional additive factor.
1555 The value here is set so that the default menu-bar/mode-line color
1556 (grey75) will not have its highlights changed at all. */
1557 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1560 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1561 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1562 If this produces the same color as COLOR, try a color where all RGB
1563 values have DELTA added. Return the allocated color in *COLOR.
1564 DISPLAY is the X display, CMAP is the colormap to operate on.
1565 Value is non-zero if successful. */
1568 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1569 double factor
, int delta
)
1574 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1577 /* Change RGB values by specified FACTOR. Avoid overflow! */
1578 eassert (factor
>= 0);
1579 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1580 min (0xff, factor
* GetGValue (*color
)),
1581 min (0xff, factor
* GetBValue (*color
)));
1583 /* Calculate brightness of COLOR. */
1584 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1585 + GetBValue (*color
)) / 6;
1587 /* We only boost colors that are darker than
1588 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1589 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1590 /* Make an additive adjustment to NEW, because it's dark enough so
1591 that scaling by FACTOR alone isn't enough. */
1593 /* How far below the limit this color is (0 - 1, 1 being darker). */
1594 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1595 /* The additive adjustment. */
1596 int min_delta
= delta
* dimness
* factor
/ 2;
1599 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1600 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1601 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1603 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1604 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1605 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1609 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1610 max (0, min (0xff, delta
+ GetGValue (*color
))),
1611 max (0, min (0xff, delta
+ GetBValue (*color
))));
1613 /* TODO: Map to palette and retry with delta if same? */
1614 /* TODO: Free colors (if using palette)? */
1624 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1625 colors in COLORS. On W32, we no longer try to map colors to
1628 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1632 for (i
= 0; i
< ncolors
; i
++)
1634 DWORD pixel
= colors
[i
].pixel
;
1635 /* Convert to a 16 bit value in range 0 - 0xffff. */
1636 colors
[i
].red
= GetRValue (pixel
) * 257;
1637 colors
[i
].green
= GetGValue (pixel
) * 257;
1638 colors
[i
].blue
= GetBValue (pixel
) * 257;
1643 x_query_color (struct frame
*f
, XColor
*color
)
1645 x_query_colors (f
, color
, 1);
1649 /* Set up the foreground color for drawing relief lines of glyph
1650 string S. RELIEF is a pointer to a struct relief containing the GC
1651 with which lines will be drawn. Use a color that is FACTOR or
1652 DELTA lighter or darker than the relief's background which is found
1653 in S->f->output_data.x->relief_background. If such a color cannot
1654 be allocated, use DEFAULT_PIXEL, instead. */
1657 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1658 int delta
, COLORREF default_pixel
)
1661 struct w32_output
*di
= f
->output_data
.w32
;
1662 unsigned long mask
= GCForeground
;
1664 COLORREF background
= di
->relief_background
;
1665 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1667 /* TODO: Free colors (if using palette)? */
1669 /* Allocate new color. */
1670 xgcv
.foreground
= default_pixel
;
1672 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1674 relief
->allocated_p
= 1;
1675 xgcv
.foreground
= relief
->pixel
= pixel
;
1678 if (relief
->gc
== 0)
1680 #if 0 /* TODO: stipple */
1681 xgcv
.stipple
= dpyinfo
->gray
;
1684 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1687 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1691 /* Set up colors for the relief lines around glyph string S. */
1694 x_setup_relief_colors (struct glyph_string
*s
)
1696 struct w32_output
*di
= s
->f
->output_data
.w32
;
1699 if (s
->face
->use_box_color_for_shadows_p
)
1700 color
= s
->face
->box_color
;
1701 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1703 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1704 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1706 color
= s
->gc
->background
;
1708 if (di
->white_relief
.gc
== 0
1709 || color
!= di
->relief_background
)
1711 di
->relief_background
= color
;
1712 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1713 WHITE_PIX_DEFAULT (s
->f
));
1714 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1715 BLACK_PIX_DEFAULT (s
->f
));
1720 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1721 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1722 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1723 relief. LEFT_P non-zero means draw a relief on the left side of
1724 the rectangle. RIGHT_P non-zero means draw a relief on the right
1725 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1729 w32_draw_relief_rect (struct frame
*f
,
1730 int left_x
, int top_y
, int right_x
, int bottom_y
,
1731 int width
, int raised_p
,
1732 int top_p
, int bot_p
, int left_p
, int right_p
,
1737 HDC hdc
= get_frame_dc (f
);
1740 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1742 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1744 w32_set_clip_rectangle (hdc
, clip_rect
);
1748 for (i
= 0; i
< width
; ++i
)
1749 w32_fill_area (f
, hdc
, gc
.foreground
,
1750 left_x
+ i
* left_p
, top_y
+ i
,
1751 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1755 for (i
= 0; i
< width
; ++i
)
1756 w32_fill_area (f
, hdc
, gc
.foreground
,
1757 left_x
+ i
, top_y
+ i
, 1,
1758 bottom_y
- top_y
- 2 * i
+ 1);
1761 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1763 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1767 for (i
= 0; i
< width
; ++i
)
1768 w32_fill_area (f
, hdc
, gc
.foreground
,
1769 left_x
+ i
* left_p
, bottom_y
- i
,
1770 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1774 for (i
= 0; i
< width
; ++i
)
1775 w32_fill_area (f
, hdc
, gc
.foreground
,
1776 right_x
- i
, top_y
+ i
+ 1, 1,
1777 bottom_y
- top_y
- 2 * i
- 1);
1779 w32_set_clip_rectangle (hdc
, NULL
);
1781 release_frame_dc (f
, hdc
);
1785 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1786 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1787 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1788 left side of the rectangle. RIGHT_P non-zero means draw a line
1789 on the right side of the rectangle. CLIP_RECT is the clipping
1790 rectangle to use when drawing. */
1793 w32_draw_box_rect (struct glyph_string
*s
,
1794 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1795 int left_p
, int right_p
, RECT
*clip_rect
)
1797 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1800 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1801 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1806 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1807 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1811 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1812 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1817 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1818 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1821 w32_set_clip_rectangle (s
->hdc
, NULL
);
1825 /* Draw a box around glyph string S. */
1828 x_draw_glyph_string_box (struct glyph_string
*s
)
1830 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1831 int left_p
, right_p
;
1832 struct glyph
*last_glyph
;
1835 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1836 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1837 : window_box_right (s
->w
, s
->area
));
1839 /* The glyph that may have a right box line. */
1840 last_glyph
= (s
->cmp
|| s
->img
1842 : s
->first_glyph
+ s
->nchars
- 1);
1844 width
= eabs (s
->face
->box_line_width
);
1845 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1847 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1849 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1851 bottom_y
= top_y
+ s
->height
- 1;
1853 left_p
= (s
->first_glyph
->left_box_line_p
1854 || (s
->hl
== DRAW_MOUSE_FACE
1856 || s
->prev
->hl
!= s
->hl
)));
1857 right_p
= (last_glyph
->right_box_line_p
1858 || (s
->hl
== DRAW_MOUSE_FACE
1860 || s
->next
->hl
!= s
->hl
)));
1862 get_glyph_string_clip_rect (s
, &clip_rect
);
1864 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1865 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1866 left_p
, right_p
, &clip_rect
);
1869 x_setup_relief_colors (s
);
1870 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1871 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1876 /* Draw foreground of image glyph string S. */
1879 x_draw_image_foreground (struct glyph_string
*s
)
1882 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1884 /* If first glyph of S has a left box line, start drawing it to the
1885 right of that line. */
1886 if (s
->face
->box
!= FACE_NO_BOX
1887 && s
->first_glyph
->left_box_line_p
1889 x
+= eabs (s
->face
->box_line_width
);
1891 /* If there is a margin around the image, adjust x- and y-position
1893 if (s
->slice
.x
== 0)
1894 x
+= s
->img
->hmargin
;
1895 if (s
->slice
.y
== 0)
1896 y
+= s
->img
->vmargin
;
1902 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1903 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1904 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1905 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1906 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1907 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1908 x_set_glyph_string_clipping (s
);
1912 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1913 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1915 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1916 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1918 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1919 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1920 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1921 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1922 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1923 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1925 SelectObject (mask_dc
, mask_orig_obj
);
1930 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1931 SetBkColor (s
->hdc
, s
->gc
->background
);
1933 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1934 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1936 /* When the image has a mask, we can expect that at
1937 least part of a mouse highlight or a block cursor will
1938 be visible. If the image doesn't have a mask, make
1939 a block cursor visible by drawing a rectangle around
1940 the image. I believe it's looking better if we do
1941 nothing here for mouse-face. */
1942 if (s
->hl
== DRAW_CURSOR
)
1944 int r
= s
->img
->relief
;
1946 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1947 s
->slice
.width
+ r
*2 - 1,
1948 s
->slice
.height
+ r
*2 - 1);
1952 w32_set_clip_rectangle (s
->hdc
, NULL
);
1953 SelectObject (s
->hdc
, orig_brush
);
1954 DeleteObject (fg_brush
);
1955 SelectObject (compat_hdc
, orig_obj
);
1956 DeleteDC (compat_hdc
);
1959 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1960 s
->slice
.width
- 1, s
->slice
.height
- 1);
1962 RestoreDC (s
->hdc
,-1);
1966 /* Draw a relief around the image glyph string S. */
1969 x_draw_image_relief (struct glyph_string
*s
)
1971 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1974 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1976 /* If first glyph of S has a left box line, start drawing it to the
1977 right of that line. */
1978 if (s
->face
->box
!= FACE_NO_BOX
1979 && s
->first_glyph
->left_box_line_p
1981 x
+= eabs (s
->face
->box_line_width
);
1983 /* If there is a margin around the image, adjust x- and y-position
1985 if (s
->slice
.x
== 0)
1986 x
+= s
->img
->hmargin
;
1987 if (s
->slice
.y
== 0)
1988 y
+= s
->img
->vmargin
;
1990 if (s
->hl
== DRAW_IMAGE_SUNKEN
1991 || s
->hl
== DRAW_IMAGE_RAISED
)
1993 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1994 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1995 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1999 thick
= eabs (s
->img
->relief
);
2000 raised_p
= s
->img
->relief
> 0;
2005 x1
= x
+ s
->slice
.width
+ thick
- 1;
2006 y1
= y
+ s
->slice
.height
+ thick
- 1;
2008 x_setup_relief_colors (s
);
2009 get_glyph_string_clip_rect (s
, &r
);
2010 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2012 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2014 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2019 /* Draw the foreground of image glyph string S to PIXMAP. */
2022 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
2024 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2025 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2027 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2029 /* If first glyph of S has a left box line, start drawing it to the
2030 right of that line. */
2031 if (s
->face
->box
!= FACE_NO_BOX
2032 && s
->first_glyph
->left_box_line_p
2034 x
+= eabs (s
->face
->box_line_width
);
2036 /* If there is a margin around the image, adjust x- and y-position
2038 if (s
->slice
.x
== 0)
2039 x
+= s
->img
->hmargin
;
2040 if (s
->slice
.y
== 0)
2041 y
+= s
->img
->vmargin
;
2045 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2046 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2047 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2048 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2052 HDC mask_dc
= CreateCompatibleDC (hdc
);
2053 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2055 SetTextColor (hdc
, RGB (0, 0, 0));
2056 SetBkColor (hdc
, RGB (255, 255, 255));
2057 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2058 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2059 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2060 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2061 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2062 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2064 SelectObject (mask_dc
, mask_orig_obj
);
2069 SetTextColor (hdc
, s
->gc
->foreground
);
2070 SetBkColor (hdc
, s
->gc
->background
);
2072 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2073 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2075 /* When the image has a mask, we can expect that at
2076 least part of a mouse highlight or a block cursor will
2077 be visible. If the image doesn't have a mask, make
2078 a block cursor visible by drawing a rectangle around
2079 the image. I believe it's looking better if we do
2080 nothing here for mouse-face. */
2081 if (s
->hl
== DRAW_CURSOR
)
2083 int r
= s
->img
->relief
;
2085 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2086 s
->slice
.width
+ r
*2 - 1,
2087 s
->slice
.height
+ r
*2 - 1);
2091 SelectObject (hdc
, orig_brush
);
2092 DeleteObject (fg_brush
);
2093 SelectObject (compat_hdc
, orig_obj
);
2094 DeleteDC (compat_hdc
);
2097 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2098 s
->slice
.width
- 1, s
->slice
.height
- 1);
2100 SelectObject (hdc
, orig_hdc_obj
);
2105 /* Draw part of the background of glyph string S. X, Y, W, and H
2106 give the rectangle to draw. */
2109 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2111 #if 0 /* TODO: stipple */
2114 /* Fill background with a stipple pattern. */
2115 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2116 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2117 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2121 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2125 /* Draw image glyph string S.
2128 s->x +-------------------------
2131 | +-------------------------
2134 | | +-------------------
2140 x_draw_image_glyph_string (struct glyph_string
*s
)
2143 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2144 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2148 height
= s
->height
- 2 * box_line_vwidth
;
2150 /* Fill background with face under the image. Do it only if row is
2151 taller than image or if image has a clip mask to reduce
2153 s
->stippled_p
= s
->face
->stipple
!= 0;
2154 if (height
> s
->slice
.height
2158 || s
->img
->pixmap
== 0
2159 || s
->width
!= s
->background_width
)
2162 if (s
->first_glyph
->left_box_line_p
2164 x
+= box_line_hwidth
;
2167 if (s
->slice
.y
== 0)
2168 y
+= box_line_vwidth
;
2170 #if 0 /* TODO: figure out if we need to do this on Windows. */
2173 /* Create a pixmap as large as the glyph string. Fill it
2174 with the background color. Copy the image to it, using
2175 its mask. Copy the temporary pixmap to the display. */
2176 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2177 int depth
= DefaultDepthOfScreen (screen
);
2179 /* Create a pixmap as large as the glyph string. */
2180 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2181 s
->background_width
,
2184 /* Don't clip in the following because we're working on the
2186 XSetClipMask (s
->display
, s
->gc
, None
);
2188 /* Fill the pixmap with the background color/stipple. */
2191 /* Fill background with a stipple pattern. */
2192 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2193 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2194 0, 0, s
->background_width
, s
->height
);
2195 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2200 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2202 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2203 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2204 0, 0, s
->background_width
, s
->height
);
2205 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2210 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2212 s
->background_filled_p
= 1;
2215 /* Draw the foreground. */
2218 w32_draw_image_foreground_1 (s
, pixmap
);
2219 x_set_glyph_string_clipping (s
);
2221 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2222 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2223 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2224 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2226 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2227 SetBkColor (s
->hdc
, s
->gc
->background
);
2228 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2229 compat_hdc
, 0, 0, SRCCOPY
);
2231 SelectObject (s
->hdc
, orig_brush
);
2232 DeleteObject (fg_brush
);
2233 SelectObject (compat_hdc
, orig_obj
);
2234 DeleteDC (compat_hdc
);
2236 DeleteObject (pixmap
);
2240 x_draw_image_foreground (s
);
2242 /* If we must draw a relief around the image, do it. */
2244 || s
->hl
== DRAW_IMAGE_RAISED
2245 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2246 x_draw_image_relief (s
);
2250 /* Draw stretch glyph string S. */
2253 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2255 eassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2257 if (s
->hl
== DRAW_CURSOR
2258 && !x_stretch_cursor_p
)
2260 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2261 wide as the stretch glyph. */
2262 int width
, background_width
= s
->background_width
;
2265 if (!s
->row
->reversed_p
)
2267 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2271 background_width
-= left_x
- x
;
2277 /* In R2L rows, draw the cursor on the right edge of the
2279 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2281 if (x
+ background_width
> right_x
)
2282 background_width
-= x
- right_x
;
2283 x
+= background_width
;
2285 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2286 if (s
->row
->reversed_p
)
2290 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2292 /* Clear rest using the GC of the original non-cursor face. */
2293 if (width
< background_width
)
2295 XGCValues
*gc
= s
->face
->gc
;
2297 int w
= background_width
- width
, h
= s
->height
;
2301 if (!s
->row
->reversed_p
)
2305 if (s
->row
->mouse_face_p
2306 && cursor_in_mouse_face_p (s
->w
))
2308 x_set_mouse_face_gc (s
);
2314 get_glyph_string_clip_rect (s
, &r
);
2315 w32_set_clip_rectangle (hdc
, &r
);
2317 #if 0 /* TODO: stipple */
2318 if (s
->face
->stipple
)
2320 /* Fill background with a stipple pattern. */
2321 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2322 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2323 XSetFillStyle (s
->display
, gc
, FillSolid
);
2328 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2332 else if (!s
->background_filled_p
)
2334 int background_width
= s
->background_width
;
2335 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2337 /* Don't draw into left margin, fringe or scrollbar area
2338 except for header line and mode line. */
2339 if (x
< left_x
&& !s
->row
->mode_line_p
)
2341 background_width
-= left_x
- x
;
2344 if (background_width
> 0)
2345 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2348 s
->background_filled_p
= 1;
2352 /* Draw glyph string S. */
2355 x_draw_glyph_string (struct glyph_string
*s
)
2357 int relief_drawn_p
= 0;
2359 /* If S draws into the background of its successor, draw the
2360 background of the successor first so that S can draw into it.
2361 This makes S->next use XDrawString instead of XDrawImageString. */
2362 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2365 struct glyph_string
*next
;
2366 for (width
= 0, next
= s
->next
;
2367 next
&& width
< s
->right_overhang
;
2368 width
+= next
->width
, next
= next
->next
)
2369 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2371 x_set_glyph_string_gc (next
);
2372 x_set_glyph_string_clipping (next
);
2373 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2374 x_draw_stretch_glyph_string (next
);
2376 x_draw_glyph_string_background (next
, 1);
2377 next
->num_clips
= 0;
2381 /* Set up S->gc, set clipping and draw S. */
2382 x_set_glyph_string_gc (s
);
2384 /* Draw relief (if any) in advance for char/composition so that the
2385 glyph string can be drawn over it. */
2386 if (!s
->for_overlaps
2387 && s
->face
->box
!= FACE_NO_BOX
2388 && (s
->first_glyph
->type
== CHAR_GLYPH
2389 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2392 x_set_glyph_string_clipping (s
);
2393 x_draw_glyph_string_background (s
, 1);
2394 x_draw_glyph_string_box (s
);
2395 x_set_glyph_string_clipping (s
);
2398 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2400 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2401 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2402 /* We must clip just this glyph. left_overhang part has already
2403 drawn when s->prev was drawn, and right_overhang part will be
2404 drawn later when s->next is drawn. */
2405 x_set_glyph_string_clipping_exactly (s
, s
);
2407 x_set_glyph_string_clipping (s
);
2409 switch (s
->first_glyph
->type
)
2412 x_draw_image_glyph_string (s
);
2416 x_draw_stretch_glyph_string (s
);
2420 if (s
->for_overlaps
)
2421 s
->background_filled_p
= 1;
2423 x_draw_glyph_string_background (s
, 0);
2424 x_draw_glyph_string_foreground (s
);
2427 case COMPOSITE_GLYPH
:
2428 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2429 && ! s
->first_glyph
->u
.cmp
.automatic
))
2430 s
->background_filled_p
= 1;
2432 x_draw_glyph_string_background (s
, 1);
2433 x_draw_composite_glyph_string_foreground (s
);
2436 case GLYPHLESS_GLYPH
:
2437 if (s
->for_overlaps
)
2438 s
->background_filled_p
= 1;
2440 x_draw_glyph_string_background (s
, 0);
2441 x_draw_glyphless_glyph_string_foreground (s
);
2448 if (!s
->for_overlaps
)
2450 /* Draw underline. */
2451 if (s
->face
->underline_p
)
2453 if (s
->face
->underline_type
== FACE_UNDER_WAVE
)
2457 if (s
->face
->underline_defaulted_p
)
2458 color
= s
->gc
->foreground
;
2460 color
= s
->face
->underline_color
;
2462 w32_draw_underwave (s
, color
);
2464 else if (s
->face
->underline_type
== FACE_UNDER_LINE
)
2466 unsigned long thickness
, position
;
2469 if (s
->prev
&& s
->prev
->face
->underline_p
)
2471 /* We use the same underline style as the previous one. */
2472 thickness
= s
->prev
->underline_thickness
;
2473 position
= s
->prev
->underline_position
;
2477 /* Get the underline thickness. Default is 1 pixel. */
2478 if (s
->font
&& s
->font
->underline_thickness
> 0)
2479 thickness
= s
->font
->underline_thickness
;
2482 if (x_underline_at_descent_line
)
2483 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2486 /* Get the underline position. This is the recommended
2487 vertical offset in pixels from the baseline to the top of
2488 the underline. This is a signed value according to the
2489 specs, and its default is
2491 ROUND ((maximum_descent) / 2), with
2492 ROUND (x) = floor (x + 0.5) */
2494 if (x_use_underline_position_properties
2495 && s
->font
&& s
->font
->underline_position
>= 0)
2496 position
= s
->font
->underline_position
;
2498 position
= (s
->font
->descent
+ 1) / 2;
2500 position
= max (position
, underline_minimum_offset
);
2502 /* Check the sanity of thickness and position. We should
2503 avoid drawing underline out of the current line area. */
2504 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2505 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2506 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2507 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2508 s
->underline_thickness
= thickness
;
2509 s
->underline_position
=position
;
2510 y
= s
->ybase
+ position
;
2511 if (s
->face
->underline_defaulted_p
)
2513 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2518 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2523 /* Draw overline. */
2524 if (s
->face
->overline_p
)
2526 unsigned long dy
= 0, h
= 1;
2528 if (s
->face
->overline_color_defaulted_p
)
2530 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2531 s
->y
+ dy
, s
->width
, h
);
2535 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2536 s
->y
+ dy
, s
->width
, h
);
2540 /* Draw strike-through. */
2541 if (s
->face
->strike_through_p
2542 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2544 unsigned long h
= 1;
2545 unsigned long dy
= (s
->height
- h
) / 2;
2547 if (s
->face
->strike_through_color_defaulted_p
)
2549 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2554 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2555 s
->y
+ dy
, s
->width
, h
);
2559 /* Draw relief if not yet drawn. */
2560 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2561 x_draw_glyph_string_box (s
);
2565 struct glyph_string
*prev
;
2567 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2568 if (prev
->hl
!= s
->hl
2569 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2571 /* As prev was drawn while clipped to its own area, we
2572 must draw the right_overhang part using s->hl now. */
2573 enum draw_glyphs_face save
= prev
->hl
;
2576 x_set_glyph_string_gc (prev
);
2577 x_set_glyph_string_clipping_exactly (s
, prev
);
2578 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2579 x_draw_glyph_string_foreground (prev
);
2581 x_draw_composite_glyph_string_foreground (prev
);
2582 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2584 prev
->num_clips
= 0;
2590 struct glyph_string
*next
;
2592 for (next
= s
->next
; next
; next
= next
->next
)
2593 if (next
->hl
!= s
->hl
2594 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2596 /* As next will be drawn while clipped to its own area,
2597 we must draw the left_overhang part using s->hl now. */
2598 enum draw_glyphs_face save
= next
->hl
;
2601 x_set_glyph_string_gc (next
);
2602 x_set_glyph_string_clipping_exactly (s
, next
);
2603 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2604 x_draw_glyph_string_foreground (next
);
2606 x_draw_composite_glyph_string_foreground (next
);
2607 w32_set_clip_rectangle (next
->hdc
, NULL
);
2609 next
->num_clips
= 0;
2610 next
->clip_head
= s
->next
;
2615 /* Reset clipping. */
2616 w32_set_clip_rectangle (s
->hdc
, NULL
);
2621 /* Shift display to make room for inserted glyphs. */
2624 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2625 int width
, int height
, int shift_by
)
2629 hdc
= get_frame_dc (f
);
2630 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2631 hdc
, x
, y
, SRCCOPY
);
2633 release_frame_dc (f
, hdc
);
2637 /* Delete N glyphs at the nominal cursor position. Not implemented
2641 x_delete_glyphs (struct frame
*f
, register int n
)
2643 if (! FRAME_W32_P (f
))
2650 /* Clear entire frame. */
2653 x_clear_frame (struct frame
*f
)
2655 if (! FRAME_W32_P (f
))
2658 /* Clearing the frame will erase any cursor, so mark them all as no
2660 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2661 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2662 output_cursor
.x
= -1;
2664 /* We don't set the output cursor here because there will always
2665 follow an explicit cursor_to. */
2668 w32_clear_window (f
);
2670 /* We have to clear the scroll bars, too. If we have changed
2671 colors or something like that, then they should be notified. */
2672 x_scroll_bar_clear (f
);
2678 /* Make audible bell. */
2681 w32_ring_bell (struct frame
*f
)
2685 if (FRAME_W32_P (f
) && visible_bell
)
2688 HWND hwnd
= FRAME_W32_WINDOW (f
);
2690 for (i
= 0; i
< 5; i
++)
2692 FlashWindow (hwnd
, TRUE
);
2695 FlashWindow (hwnd
, FALSE
);
2698 w32_sys_ring_bell (f
);
2704 /* Specify how many text lines, from the top of the window,
2705 should be affected by insert-lines and delete-lines operations.
2706 This, and those operations, are used only within an update
2707 that is bounded by calls to x_update_begin and x_update_end. */
2710 w32_set_terminal_window (struct frame
*f
, int n
)
2712 /* This function intentionally left blank. */
2716 /***********************************************************************
2718 ***********************************************************************/
2720 /* Perform an insert-lines or delete-lines operation, inserting N
2721 lines or deleting -N lines at vertical position VPOS. */
2724 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2726 if (! FRAME_W32_P (f
))
2733 /* Scroll part of the display as described by RUN. */
2736 x_scroll_run (struct window
*w
, struct run
*run
)
2738 struct frame
*f
= XFRAME (w
->frame
);
2739 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2740 HWND hwnd
= FRAME_W32_WINDOW (f
);
2743 /* Get frame-relative bounding box of the text display area of W,
2744 without mode lines. Include in this box the left and right
2746 window_box (w
, -1, &x
, &y
, &width
, &height
);
2748 /* If the fringe is adjacent to the left (right) scroll bar of a
2749 leftmost (rightmost, respectively) window, then extend its
2750 background to the gap between the fringe and the bar. */
2751 if ((WINDOW_LEFTMOST_P (w
)
2752 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2753 || (WINDOW_RIGHTMOST_P (w
)
2754 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2756 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2760 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2761 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2762 * FRAME_COLUMN_WIDTH (f
));
2764 if (bar_area_x
+ bar_area_width
== x
)
2766 x
= bar_area_x
+ sb_width
;
2767 width
+= bar_area_width
- sb_width
;
2769 else if (x
+ width
== bar_area_x
)
2770 width
+= bar_area_width
- sb_width
;
2774 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2775 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2776 bottom_y
= y
+ height
;
2780 /* Scrolling up. Make sure we don't copy part of the mode
2781 line at the bottom. */
2782 if (from_y
+ run
->height
> bottom_y
)
2783 height
= bottom_y
- from_y
;
2785 height
= run
->height
;
2786 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2790 /* Scrolling down. Make sure we don't copy over the mode line.
2792 if (to_y
+ run
->height
> bottom_y
)
2793 height
= bottom_y
- to_y
;
2795 height
= run
->height
;
2796 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2801 /* Cursor off. Will be switched on again in x_update_window_end. */
2808 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2809 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2811 from
.left
= to
.left
= x
;
2812 from
.right
= to
.right
= x
+ width
;
2814 from
.bottom
= from_y
+ height
;
2816 to
.bottom
= bottom_y
;
2818 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2819 NULL
, SW_INVALIDATE
);
2821 /* Combine this with what we expect to be dirty. This covers the
2822 case where not all of the region we expect is actually dirty. */
2823 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2825 /* If the dirty region is not what we expected, redraw the entire frame. */
2826 if (!EqualRgn (combined
, expect_dirty
))
2827 SET_FRAME_GARBAGED (f
);
2829 DeleteObject (dirty
);
2830 DeleteObject (combined
);
2834 DeleteObject (expect_dirty
);
2839 /***********************************************************************
2841 ***********************************************************************/
2844 frame_highlight (struct frame
*f
)
2846 x_update_cursor (f
, 1);
2847 x_set_frame_alpha (f
);
2851 frame_unhighlight (struct frame
*f
)
2853 x_update_cursor (f
, 1);
2854 x_set_frame_alpha (f
);
2857 /* The focus has changed. Update the frames as necessary to reflect
2858 the new situation. Note that we can't change the selected frame
2859 here, because the Lisp code we are interrupting might become confused.
2860 Each event gets marked with the frame in which it occurred, so the
2861 Lisp code can tell when the switch took place by examining the events. */
2864 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2866 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2868 if (frame
!= dpyinfo
->w32_focus_frame
)
2870 /* Set this before calling other routines, so that they see
2871 the correct value of w32_focus_frame. */
2872 dpyinfo
->w32_focus_frame
= frame
;
2874 if (old_focus
&& old_focus
->auto_lower
)
2875 x_lower_frame (old_focus
);
2877 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2878 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2880 pending_autoraise_frame
= 0;
2883 x_frame_rehighlight (dpyinfo
);
2887 /* Handle FocusIn and FocusOut state changes for FRAME.
2888 If FRAME has focus and there exists more than one frame, puts
2889 a FOCUS_IN_EVENT into *BUFP. */
2892 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2893 struct frame
*frame
, struct input_event
*bufp
)
2895 if (type
== WM_SETFOCUS
)
2897 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2899 x_new_focus_frame (dpyinfo
, frame
);
2900 dpyinfo
->w32_focus_event_frame
= frame
;
2902 /* Don't stop displaying the initial startup message
2903 for a switch-frame event we don't need. */
2904 if (NILP (Vterminal_frame
)
2905 && CONSP (Vframe_list
)
2906 && !NILP (XCDR (Vframe_list
)))
2908 bufp
->kind
= FOCUS_IN_EVENT
;
2909 XSETFRAME (bufp
->frame_or_window
, frame
);
2913 frame
->output_data
.x
->focus_state
|= state
;
2915 /* TODO: IME focus? */
2917 else if (type
== WM_KILLFOCUS
)
2919 frame
->output_data
.x
->focus_state
&= ~state
;
2921 if (dpyinfo
->w32_focus_event_frame
== frame
)
2923 dpyinfo
->w32_focus_event_frame
= 0;
2924 x_new_focus_frame (dpyinfo
, 0);
2927 /* TODO: IME focus? */
2932 /* The focus may have changed. Figure out if it is a real focus change,
2933 by checking both FocusIn/Out and Enter/LeaveNotify events.
2935 Returns FOCUS_IN_EVENT event in *BUFP. */
2938 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2939 struct input_event
*bufp
)
2941 struct frame
*frame
;
2943 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2947 /* On w32, this is only called from focus events, so no switch needed. */
2948 x_focus_changed (event
->msg
.message
,
2949 (event
->msg
.message
== WM_KILLFOCUS
?
2950 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2951 dpyinfo
, frame
, bufp
);
2955 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2958 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2960 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2963 /* The focus has changed, or we have redirected a frame's focus to
2964 another frame (this happens when a frame uses a surrogate
2965 mini-buffer frame). Shift the highlight as appropriate.
2967 The FRAME argument doesn't necessarily have anything to do with which
2968 frame is being highlighted or un-highlighted; we only use it to find
2969 the appropriate X display info. */
2972 w32_frame_rehighlight (struct frame
*frame
)
2974 if (! FRAME_W32_P (frame
))
2976 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2980 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2982 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2984 if (dpyinfo
->w32_focus_frame
)
2986 dpyinfo
->x_highlight_frame
2987 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2988 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2989 : dpyinfo
->w32_focus_frame
);
2990 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2992 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
2993 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2997 dpyinfo
->x_highlight_frame
= 0;
2999 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
3002 frame_unhighlight (old_highlight
);
3003 if (dpyinfo
->x_highlight_frame
)
3004 frame_highlight (dpyinfo
->x_highlight_frame
);
3008 /* Keyboard processing - modifier keys, etc. */
3010 /* Convert a keysym to its name. */
3013 x_get_keysym_name (int keysym
)
3015 /* Make static so we can always return it */
3016 static char value
[100];
3019 GetKeyNameText (keysym
, value
, 100);
3026 codepage_for_locale (LCID locale
)
3030 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
3037 /* Mouse clicks and mouse movement. Rah. */
3039 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3040 the state in PUP. XBUTTON provides extra information for extended mouse
3041 button messages. Returns FALSE if unable to parse the message. */
3043 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
3050 case WM_LBUTTONDOWN
:
3058 case WM_MBUTTONDOWN
:
3059 if (NILP (Vw32_swap_mouse_buttons
))
3066 if (NILP (Vw32_swap_mouse_buttons
))
3072 case WM_RBUTTONDOWN
:
3073 if (NILP (Vw32_swap_mouse_buttons
))
3080 if (NILP (Vw32_swap_mouse_buttons
))
3086 case WM_XBUTTONDOWN
:
3087 button
= xbutton
+ 2;
3091 button
= xbutton
+ 2;
3099 if (pbutton
) *pbutton
= button
;
3105 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3107 If the event is a button press, then note that we have grabbed
3111 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3116 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3119 /* Make the event type NO_EVENT; we'll change that when we decide
3121 result
->kind
= MOUSE_CLICK_EVENT
;
3122 result
->code
= button
;
3123 result
->timestamp
= msg
->msg
.time
;
3124 result
->modifiers
= (msg
->dwModifiers
3129 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3130 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3131 XSETFRAME (result
->frame_or_window
, f
);
3137 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3142 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3145 result
->timestamp
= msg
->msg
.time
;
3147 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3148 forward, away from the user (up); a negative value indicates that
3149 the wheel was rotated backward, toward the user (down). */
3150 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3152 /* The up and down modifiers indicate if the wheel was rotated up or
3153 down based on WHEEL_DELTA value. */
3154 result
->modifiers
= (msg
->dwModifiers
3155 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3157 /* With multiple monitors, we can legitimately get negative
3158 coordinates, so cast to short to interpret them correctly. */
3159 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3160 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3161 ScreenToClient (msg
->msg
.hwnd
, &p
);
3162 XSETINT (result
->x
, p
.x
);
3163 XSETINT (result
->y
, p
.y
);
3164 XSETFRAME (result
->frame_or_window
, f
);
3170 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3180 result
->kind
= DRAG_N_DROP_EVENT
;
3182 result
->timestamp
= msg
->msg
.time
;
3183 result
->modifiers
= msg
->dwModifiers
;
3185 hdrop
= (HDROP
) msg
->msg
.wParam
;
3186 DragQueryPoint (hdrop
, &p
);
3189 p
.x
= LOWORD (msg
->msg
.lParam
);
3190 p
.y
= HIWORD (msg
->msg
.lParam
);
3191 ScreenToClient (msg
->msg
.hwnd
, &p
);
3194 XSETINT (result
->x
, p
.x
);
3195 XSETINT (result
->y
, p
.y
);
3197 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3200 for (i
= 0; i
< num_files
; i
++)
3202 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3205 name
= alloca (len
+ 1);
3206 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3207 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3212 XSETFRAME (frame
, f
);
3213 result
->frame_or_window
= frame
;
3214 result
->arg
= files
;
3219 /* File event notifications (see w32notify.c). */
3222 lispy_file_action (DWORD action
)
3224 static char unknown_fmt
[] = "unknown-action(%d)";
3229 case FILE_ACTION_ADDED
:
3232 case FILE_ACTION_REMOVED
:
3235 case FILE_ACTION_MODIFIED
:
3238 case FILE_ACTION_RENAMED_OLD_NAME
:
3239 retval
= Qrenamed_from
;
3241 case FILE_ACTION_RENAMED_NEW_NAME
:
3242 retval
= Qrenamed_to
;
3246 char buf
[sizeof(unknown_fmt
) - 1 + INT_STRLEN_BOUND (DWORD
)];
3248 sprintf (buf
, unknown_fmt
, action
);
3249 retval
= intern (buf
);
3257 /* Put file notifications into the Emacs input event queue. This
3258 function runs when the WM_EMACS_FILENOTIFY message arrives from a
3261 queue_notifications (struct input_event
*event
, W32Msg
*msg
, struct frame
*f
,
3264 BYTE
*p
= file_notifications
;
3265 FILE_NOTIFY_INFORMATION
*fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3266 const DWORD min_size
3267 = offsetof (FILE_NOTIFY_INFORMATION
, FileName
) + sizeof(wchar_t);
3270 /* We cannot process notification before Emacs is fully initialized,
3271 since we need the UTF-16LE coding-system to be set up. */
3274 notification_buffer_in_use
= 0;
3278 XSETFRAME (frame
, f
);
3281 if (notification_buffer_in_use
)
3283 DWORD info_size
= notifications_size
;
3285 /* notifications_size could be zero when the buffer of
3286 notifications overflowed on the OS level, or when the
3287 directory being watched was itself deleted. Do nothing in
3291 while (info_size
>= min_size
)
3293 Lisp_Object utf_16_fn
3294 = make_unibyte_string ((char *)fni
->FileName
,
3295 fni
->FileNameLength
);
3296 /* Note: mule-conf is preloaded, so utf-16le must
3297 already be defined at this point. */
3299 = code_convert_string_norecord (utf_16_fn
,
3300 intern ("utf-16le"), 0);
3301 Lisp_Object action
= lispy_file_action (fni
->Action
);
3304 obj
= get_watch_object (make_number (notifications_desc
));
3305 if (!NILP (obj
) && CONSP (obj
))
3307 event
->kind
= FILE_NOTIFY_EVENT
;
3308 event
->code
= (ptrdiff_t)notifications_desc
;
3309 event
->timestamp
= msg
->msg
.time
;
3310 event
->modifiers
= 0;
3311 event
->frame_or_window
= XCDR (obj
);
3312 event
->arg
= Fcons (action
, fname
);
3313 kbd_buffer_store_event (event
);
3317 if (!fni
->NextEntryOffset
)
3319 p
+= fni
->NextEntryOffset
;
3320 fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3321 info_size
-= fni
->NextEntryOffset
;
3324 notification_buffer_in_use
= 0;
3327 DebPrint (("We were promised notifications, but in-use flag is zero!\n"));
3330 /* We've stuffed all the events ourselves, so w32_read_socket shouldn't. */
3331 event
->kind
= NO_EVENT
;
3335 /* Function to report a mouse movement to the mainstream Emacs code.
3336 The input handler calls this.
3338 We have received a mouse movement event, which is given in *event.
3339 If the mouse is over a different glyph than it was last time, tell
3340 the mainstream emacs code by setting mouse_moved. If not, ask for
3341 another motion event, so we can check again the next time it moves. */
3343 static MSG last_mouse_motion_event
;
3344 static Lisp_Object last_mouse_motion_frame
;
3347 note_mouse_movement (FRAME_PTR frame
, MSG
*msg
)
3349 int mouse_x
= LOWORD (msg
->lParam
);
3350 int mouse_y
= HIWORD (msg
->lParam
);
3352 last_mouse_movement_time
= msg
->time
;
3353 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3354 XSETFRAME (last_mouse_motion_frame
, frame
);
3356 if (!FRAME_X_OUTPUT (frame
))
3359 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3361 frame
->mouse_moved
= 1;
3362 last_mouse_scroll_bar
= Qnil
;
3363 note_mouse_highlight (frame
, -1, -1);
3364 last_mouse_glyph_frame
= 0;
3368 /* Has the mouse moved off the glyph it was on at the last sighting? */
3369 if (frame
!= last_mouse_glyph_frame
3370 || mouse_x
< last_mouse_glyph
.left
3371 || mouse_x
>= last_mouse_glyph
.right
3372 || mouse_y
< last_mouse_glyph
.top
3373 || mouse_y
>= last_mouse_glyph
.bottom
)
3375 frame
->mouse_moved
= 1;
3376 last_mouse_scroll_bar
= Qnil
;
3377 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3378 /* Remember the mouse position here, as w32_mouse_position only
3379 gets called when mouse tracking is enabled but we also need
3380 to keep track of the mouse for help_echo and highlighting at
3382 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3383 last_mouse_glyph_frame
= frame
;
3391 /************************************************************************
3393 ************************************************************************/
3395 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3396 static void x_scroll_bar_report_motion (FRAME_PTR
*, Lisp_Object
*,
3397 enum scroll_bar_part
*,
3398 Lisp_Object
*, Lisp_Object
*,
3400 static void x_check_fullscreen (struct frame
*);
3403 redo_mouse_highlight (void)
3405 if (!NILP (last_mouse_motion_frame
)
3406 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3407 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3408 LOWORD (last_mouse_motion_event
.lParam
),
3409 HIWORD (last_mouse_motion_event
.lParam
));
3413 w32_define_cursor (Window window
, Cursor cursor
)
3415 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3417 /* Return the current position of the mouse.
3418 *fp should be a frame which indicates which display to ask about.
3420 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3421 and *part to the frame, window, and scroll bar part that the mouse
3422 is over. Set *x and *y to the portion and whole of the mouse's
3423 position on the scroll bar.
3425 If the mouse movement started elsewhere, set *fp to the frame the
3426 mouse is on, *bar_window to nil, and *x and *y to the character cell
3429 Set *time to the server time-stamp for the time at which the mouse
3430 was at this position.
3432 Don't store anything if we don't have a valid set of values to report.
3434 This clears the mouse_moved flag, so we can wait for the next mouse
3438 w32_mouse_position (FRAME_PTR
*fp
, int insist
, Lisp_Object
*bar_window
,
3439 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3440 unsigned long *time
)
3446 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3447 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3452 Lisp_Object frame
, tail
;
3454 /* Clear the mouse-moved flag for every frame on this display. */
3455 FOR_EACH_FRAME (tail
, frame
)
3456 XFRAME (frame
)->mouse_moved
= 0;
3458 last_mouse_scroll_bar
= Qnil
;
3462 /* Now we have a position on the root; find the innermost window
3463 containing the pointer. */
3465 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3466 && FRAME_LIVE_P (last_mouse_frame
))
3468 /* If mouse was grabbed on a frame, give coords for that frame
3469 even if the mouse is now outside it. */
3470 f1
= last_mouse_frame
;
3474 /* Is window under mouse one of our frames? */
3475 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3476 WindowFromPoint (pt
));
3479 /* If not, is it one of our scroll bars? */
3482 struct scroll_bar
*bar
3483 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3487 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3491 if (f1
== 0 && insist
> 0)
3492 f1
= SELECTED_FRAME ();
3496 /* Ok, we found a frame. Store all the values.
3497 last_mouse_glyph is a rectangle used to reduce the
3498 generation of mouse events. To not miss any motion
3499 events, we must divide the frame into rectangles of the
3500 size of the smallest character that could be displayed
3501 on it, i.e. into the same rectangles that matrices on
3502 the frame are divided into. */
3504 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3505 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3506 last_mouse_glyph_frame
= f1
;
3513 *time
= last_mouse_movement_time
;
3522 /***********************************************************************
3524 ***********************************************************************/
3526 /* Handle mouse button event on the tool-bar of frame F, at
3527 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3528 or ButtonRelease. */
3531 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3533 int x
= XFASTINT (button_event
->x
);
3534 int y
= XFASTINT (button_event
->y
);
3536 if (button_event
->modifiers
& down_modifier
)
3537 handle_tool_bar_click (f
, x
, y
, 1, 0);
3539 handle_tool_bar_click (f
, x
, y
, 0,
3540 button_event
->modifiers
& ~up_modifier
);
3545 /***********************************************************************
3547 ***********************************************************************/
3549 /* Scroll bar support. */
3551 /* Given a window ID, find the struct scroll_bar which manages it.
3552 This can be called in GC, so we have to make sure to strip off mark
3555 static struct scroll_bar
*
3556 x_window_to_scroll_bar (Window window_id
)
3560 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3562 Lisp_Object frame
, bar
, condemned
;
3564 frame
= XCAR (tail
);
3565 /* All elements of Vframe_list should be frames. */
3566 if (! FRAMEP (frame
))
3569 /* Scan this frame's scroll bar list for a scroll bar with the
3571 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3572 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3573 /* This trick allows us to search both the ordinary and
3574 condemned scroll bar lists with one loop. */
3575 ! NILP (bar
) || (bar
= condemned
,
3578 bar
= XSCROLL_BAR (bar
)->next
)
3579 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3580 return XSCROLL_BAR (bar
);
3588 /* Set the thumb size and position of scroll bar BAR. We are currently
3589 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3592 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3593 int portion
, int position
, int whole
)
3595 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3596 /* We use the whole scroll-bar height in the calculations below, to
3597 avoid strange effects like scrolling backwards when just clicking
3598 on the handle (without moving it). */
3599 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3600 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3601 int sb_page
, sb_pos
;
3602 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3605 /* We used to change the nPage setting while dragging the handle,
3606 but that had very strange effects (such as scrolling backwards
3607 while dragging downwards).
3609 Now, we don't change the nPage setting while dragging unless we
3610 get near to the end of the buffer, in which case we often have to
3611 resize the handle to "go all the way". */
3617 si
.cbSize
= sizeof (si
);
3618 si
.fMask
= SIF_POS
| SIF_PAGE
;
3619 GetScrollInfo (w
, SB_CTL
, &si
);
3620 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3628 /* Position scroll bar at rock bottom if the bottom of the
3629 buffer is visible. This avoids shrinking the thumb away
3630 to nothing if it is held at the bottom of the buffer. */
3631 if (position
+ portion
>= whole
&& !draggingp
)
3633 sb_page
= range
* (whole
- position
) / whole
;
3638 sb_pos
= position
* range
/ whole
;
3639 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3648 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3652 si
.cbSize
= sizeof (si
);
3653 si
.fMask
= SIF_PAGE
| SIF_POS
;
3657 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3663 /************************************************************************
3664 Scroll bars, general
3665 ************************************************************************/
3668 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3670 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3671 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3675 /*#define ATTACH_THREADS*/
3678 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3680 #ifndef ATTACH_THREADS
3681 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3682 (WPARAM
) hwnd
, (LPARAM
) how
);
3684 return ShowWindow (hwnd
, how
);
3689 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3690 int x
, int y
, int cx
, int cy
, UINT flags
)
3692 #ifndef ATTACH_THREADS
3694 pos
.hwndInsertAfter
= hwndAfter
;
3700 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3702 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3708 my_set_focus (struct frame
* f
, HWND hwnd
)
3710 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3716 my_set_foreground_window (HWND hwnd
)
3718 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3723 my_destroy_window (struct frame
* f
, HWND hwnd
)
3725 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3730 my_bring_window_to_top (HWND hwnd
)
3732 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3735 /* Create a scroll bar and return the scroll bar vector for it. W is
3736 the Emacs window on which to create the scroll bar. TOP, LEFT,
3737 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3740 static struct scroll_bar
*
3741 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3743 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3746 struct scroll_bar
*bar
3747 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3752 XSETWINDOW (bar
->window
, w
);
3753 XSETINT (bar
->top
, top
);
3754 XSETINT (bar
->left
, left
);
3755 XSETINT (bar
->width
, width
);
3756 XSETINT (bar
->height
, height
);
3757 XSETINT (bar
->start
, 0);
3758 XSETINT (bar
->end
, 0);
3759 bar
->dragging
= Qnil
;
3760 bar
->fringe_extended_p
= Qnil
;
3762 /* Requires geometry to be set before call to create the real window */
3764 hwnd
= my_create_scrollbar (f
, bar
);
3766 si
.cbSize
= sizeof (si
);
3769 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3770 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3774 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3776 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3778 /* Add bar to its frame's list of scroll bars. */
3779 bar
->next
= FRAME_SCROLL_BARS (f
);
3781 XSETVECTOR (barobj
, bar
);
3782 fset_scroll_bars (f
, barobj
);
3783 if (! NILP (bar
->next
))
3784 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3792 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3796 x_scroll_bar_remove (struct scroll_bar
*bar
)
3798 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3802 /* Destroy the window. */
3803 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3805 /* Dissociate this scroll bar from its window. */
3806 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3811 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3812 that we are displaying PORTION characters out of a total of WHOLE
3813 characters, starting at POSITION. If WINDOW has no scroll bar,
3816 w32_set_vertical_scroll_bar (struct window
*w
,
3817 int portion
, int whole
, int position
)
3819 struct frame
*f
= XFRAME (w
->frame
);
3821 struct scroll_bar
*bar
;
3822 int top
, height
, left
, sb_left
, width
, sb_width
;
3823 int window_y
, window_height
;
3824 int fringe_extended_p
;
3826 /* Get window dimensions. */
3827 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3829 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3830 height
= window_height
;
3832 /* Compute the left edge of the scroll bar area. */
3833 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3835 /* Compute the width of the scroll bar which might be less than
3836 the width of the area reserved for the scroll bar. */
3837 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3838 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3842 /* Compute the left edge of the scroll bar. */
3843 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3844 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3846 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3848 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3849 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3850 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3851 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3852 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3854 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3855 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3856 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3857 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3859 /* Does the scroll bar exist yet? */
3860 if (NILP (w
->vertical_scroll_bar
))
3864 if (width
> 0 && height
> 0)
3866 hdc
= get_frame_dc (f
);
3867 if (fringe_extended_p
)
3868 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3870 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3871 release_frame_dc (f
, hdc
);
3875 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3879 /* It may just need to be moved and resized. */
3882 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3883 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3885 /* If already correctly positioned, do nothing. */
3886 if ( XINT (bar
->left
) == sb_left
3887 && XINT (bar
->top
) == top
3888 && XINT (bar
->width
) == sb_width
3889 && XINT (bar
->height
) == height
3890 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3892 /* Redraw after clear_frame. */
3893 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3894 InvalidateRect (hwnd
, NULL
, FALSE
);
3902 if (width
&& height
)
3904 hdc
= get_frame_dc (f
);
3905 /* Since Windows scroll bars are smaller than the space reserved
3906 for them on the frame, we have to clear "under" them. */
3907 if (fringe_extended_p
)
3908 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3910 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3911 release_frame_dc (f
, hdc
);
3913 /* Make sure scroll bar is "visible" before moving, to ensure the
3914 area of the parent window now exposed will be refreshed. */
3915 my_show_window (f
, hwnd
, SW_HIDE
);
3916 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3917 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3918 max (height
, 1), TRUE
);
3920 si
.cbSize
= sizeof (si
);
3921 si
.fMask
= SIF_RANGE
;
3923 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3924 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3926 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3928 my_show_window (f
, hwnd
, SW_NORMAL
);
3929 /* InvalidateRect (w, NULL, FALSE); */
3931 /* Remember new settings. */
3932 XSETINT (bar
->left
, sb_left
);
3933 XSETINT (bar
->top
, top
);
3934 XSETINT (bar
->width
, sb_width
);
3935 XSETINT (bar
->height
, height
);
3940 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3942 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3943 XSETVECTOR (barobj
, bar
);
3944 wset_vertical_scroll_bar (w
, barobj
);
3948 /* The following three hooks are used when we're doing a thorough
3949 redisplay of the frame. We don't explicitly know which scroll bars
3950 are going to be deleted, because keeping track of when windows go
3951 away is a real pain - "Can you say set-window-configuration, boys
3952 and girls?" Instead, we just assert at the beginning of redisplay
3953 that *all* scroll bars are to be removed, and then save a scroll bar
3954 from the fiery pit when we actually redisplay its window. */
3956 /* Arrange for all scroll bars on FRAME to be removed at the next call
3957 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3958 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3961 w32_condemn_scroll_bars (FRAME_PTR frame
)
3963 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3964 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3967 bar
= FRAME_SCROLL_BARS (frame
);
3968 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3969 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3970 XSCROLL_BAR (bar
)->prev
= Qnil
;
3971 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3972 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3973 fset_condemned_scroll_bars (frame
, bar
);
3978 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3979 Note that WINDOW isn't necessarily condemned at all. */
3982 w32_redeem_scroll_bar (struct window
*window
)
3984 struct scroll_bar
*bar
;
3988 /* We can't redeem this window's scroll bar if it doesn't have one. */
3989 if (NILP (window
->vertical_scroll_bar
))
3992 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3994 /* Unlink it from the condemned list. */
3995 f
= XFRAME (WINDOW_FRAME (window
));
3996 if (NILP (bar
->prev
))
3998 /* If the prev pointer is nil, it must be the first in one of
4000 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
4001 /* It's not condemned. Everything's fine. */
4003 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
4004 window
->vertical_scroll_bar
))
4005 fset_condemned_scroll_bars (f
, bar
->next
);
4007 /* If its prev pointer is nil, it must be at the front of
4008 one or the other! */
4012 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
4014 if (! NILP (bar
->next
))
4015 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
4017 bar
->next
= FRAME_SCROLL_BARS (f
);
4019 XSETVECTOR (barobj
, bar
);
4020 fset_scroll_bars (f
, barobj
);
4021 if (! NILP (bar
->next
))
4022 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
4025 /* Remove all scroll bars on FRAME that haven't been saved since the
4026 last call to `*condemn_scroll_bars_hook'. */
4029 w32_judge_scroll_bars (FRAME_PTR f
)
4031 Lisp_Object bar
, next
;
4033 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
4035 /* Clear out the condemned list now so we won't try to process any
4036 more events on the hapless scroll bars. */
4037 fset_condemned_scroll_bars (f
, Qnil
);
4039 for (; ! NILP (bar
); bar
= next
)
4041 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
4043 x_scroll_bar_remove (b
);
4046 b
->next
= b
->prev
= Qnil
;
4049 /* Now there should be no references to the condemned scroll bars,
4050 and they should get garbage-collected. */
4053 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
4054 is set to something other than NO_EVENT, it is enqueued.
4056 This may be called from a signal handler, so we have to ignore GC
4060 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
4061 struct input_event
*emacs_event
)
4063 if (! WINDOWP (bar
->window
))
4066 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
4067 emacs_event
->code
= 0;
4068 /* not really meaningful to distinguish up/down */
4069 emacs_event
->modifiers
= msg
->dwModifiers
;
4070 emacs_event
->frame_or_window
= bar
->window
;
4071 emacs_event
->arg
= Qnil
;
4072 emacs_event
->timestamp
= msg
->msg
.time
;
4075 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4077 int dragging
= !NILP (bar
->dragging
);
4080 si
.cbSize
= sizeof (si
);
4083 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4086 bar
->dragging
= Qnil
;
4089 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4091 switch (LOWORD (msg
->msg
.wParam
))
4094 emacs_event
->part
= scroll_bar_down_arrow
;
4097 emacs_event
->part
= scroll_bar_up_arrow
;
4100 emacs_event
->part
= scroll_bar_above_handle
;
4103 emacs_event
->part
= scroll_bar_below_handle
;
4106 emacs_event
->part
= scroll_bar_handle
;
4110 emacs_event
->part
= scroll_bar_handle
;
4114 case SB_THUMBPOSITION
:
4115 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4116 y
= HIWORD (msg
->msg
.wParam
);
4118 emacs_event
->part
= scroll_bar_handle
;
4120 /* "Silently" update current position. */
4124 si
.cbSize
= sizeof (si
);
4127 /* Remember apparent position (we actually lag behind the real
4128 position, so don't set that directly). */
4129 last_scroll_bar_drag_pos
= y
;
4131 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4135 /* If this is the end of a drag sequence, then reset the scroll
4136 handle size to normal and do a final redraw. Otherwise do
4141 int start
= XINT (bar
->start
);
4142 int end
= XINT (bar
->end
);
4144 si
.cbSize
= sizeof (si
);
4145 si
.fMask
= SIF_PAGE
| SIF_POS
;
4146 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4147 si
.nPos
= last_scroll_bar_drag_pos
;
4148 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4152 emacs_event
->kind
= NO_EVENT
;
4156 XSETINT (emacs_event
->x
, y
);
4157 XSETINT (emacs_event
->y
, top_range
);
4163 /* Return information to the user about the current position of the mouse
4164 on the scroll bar. */
4167 x_scroll_bar_report_motion (FRAME_PTR
*fp
, Lisp_Object
*bar_window
,
4168 enum scroll_bar_part
*part
,
4169 Lisp_Object
*x
, Lisp_Object
*y
,
4170 unsigned long *time
)
4172 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4173 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4174 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4176 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4182 *bar_window
= bar
->window
;
4184 si
.cbSize
= sizeof (si
);
4185 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4187 GetScrollInfo (w
, SB_CTL
, &si
);
4189 top_range
= si
.nMax
- si
.nPage
+ 1;
4191 switch (LOWORD (last_mouse_scroll_bar_pos
))
4193 case SB_THUMBPOSITION
:
4195 *part
= scroll_bar_handle
;
4196 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4197 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4200 *part
= scroll_bar_handle
;
4204 *part
= scroll_bar_handle
;
4209 XSETINT (*y
, top_range
);
4212 last_mouse_scroll_bar
= Qnil
;
4214 *time
= last_mouse_movement_time
;
4220 /* The screen has been cleared so we may have changed foreground or
4221 background colors, and the scroll bars may need to be redrawn.
4222 Clear out the scroll bars, and ask for expose events, so we can
4226 x_scroll_bar_clear (FRAME_PTR f
)
4230 /* We can have scroll bars even if this is 0,
4231 if we just turned off scroll bar mode.
4232 But in that case we should not clear them. */
4233 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4234 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4235 bar
= XSCROLL_BAR (bar
)->next
)
4237 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4238 HDC hdc
= GetDC (window
);
4241 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4242 arranges to refresh the scroll bar if hidden. */
4243 my_show_window (f
, window
, SW_HIDE
);
4245 GetClientRect (window
, &rect
);
4246 select_palette (f
, hdc
);
4247 w32_clear_rect (f
, hdc
, &rect
);
4248 deselect_palette (f
, hdc
);
4250 ReleaseDC (window
, hdc
);
4255 /* The main W32 event-reading loop - w32_read_socket. */
4257 /* Record the last 100 characters stored
4258 to help debug the loss-of-chars-during-GC problem. */
4260 static int temp_index
;
4261 static short temp_buffer
[100];
4263 /* Temporarily store lead byte of DBCS input sequences. */
4264 static char dbcs_lead
= 0;
4266 /* Read events coming from the W32 shell.
4267 This routine is called by the SIGIO handler.
4268 We return as soon as there are no more events to be read.
4270 For an overview of how Emacs input works on MS-Windows, see the
4271 commentary before w32_msg_pump in w32fns.c.
4273 We return the number of characters stored into the buffer,
4274 thus pretending to be `read'.
4276 Some of these messages are reposted back to the message queue since the
4277 system calls the windows proc directly in a context where we cannot return
4278 the data nor can we guarantee the state we are in. So if we dispatch them
4279 we will get into an infinite loop. To prevent this from ever happening we
4280 will set a variable to indicate we are in the read_socket call and indicate
4281 which message we are processing since the windows proc gets called
4282 recursively with different messages by the system.
4286 w32_read_socket (struct terminal
*terminal
,
4287 struct input_event
*hold_quit
)
4290 int check_visibility
= 0;
4293 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4294 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4299 /* So people can tell when we have read the available input. */
4300 input_signal_count
++;
4302 /* Process any incoming thread messages. */
4303 drain_message_queue ();
4305 /* TODO: ghostscript integration. */
4306 while (get_next_msg (&msg
, FALSE
))
4308 struct input_event inev
;
4311 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4312 /* w32_name_of_message (msg.msg.message), */
4313 /* msg.msg.time)); */
4316 inev
.kind
= NO_EVENT
;
4319 switch (msg
.msg
.message
)
4321 case WM_EMACS_PAINT
:
4322 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4326 if (msg
.rect
.right
== msg
.rect
.left
||
4327 msg
.rect
.bottom
== msg
.rect
.top
)
4329 /* We may get paint messages even though the client
4330 area is clipped - these are not expose events. */
4331 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4334 else if (f
->async_visible
!= 1)
4336 /* Definitely not obscured, so mark as visible. */
4337 f
->async_visible
= 1;
4338 f
->async_iconified
= 0;
4339 SET_FRAME_GARBAGED (f
);
4340 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4343 /* WM_PAINT serves as MapNotify as well, so report
4344 visibility changes properly. */
4347 inev
.kind
= DEICONIFY_EVENT
;
4348 XSETFRAME (inev
.frame_or_window
, f
);
4350 else if (! NILP (Vframe_list
)
4351 && ! NILP (XCDR (Vframe_list
)))
4352 /* Force a redisplay sooner or later to update the
4353 frame titles in case this is the second frame. */
4354 record_asynch_buffer_change ();
4358 HDC hdc
= get_frame_dc (f
);
4360 /* Erase background again for safety. */
4361 w32_clear_rect (f
, hdc
, &msg
.rect
);
4362 release_frame_dc (f
, hdc
);
4366 msg
.rect
.right
- msg
.rect
.left
,
4367 msg
.rect
.bottom
- msg
.rect
.top
);
4372 case WM_INPUTLANGCHANGE
:
4373 /* Generate a language change event. */
4374 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4376 /* lParam contains the input language ID in its low 16 bits.
4377 Use it to update our record of the keyboard codepage. */
4378 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4383 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4384 XSETFRAME (inev
.frame_or_window
, f
);
4385 inev
.code
= w32_keyboard_codepage
;
4386 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4392 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4394 if (f
&& !f
->iconified
)
4396 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4397 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4399 clear_mouse_face (hlinfo
);
4400 hlinfo
->mouse_face_hidden
= 1;
4403 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4405 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4406 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4407 inev
.code
= msg
.msg
.wParam
;
4408 inev
.modifiers
= msg
.dwModifiers
;
4409 XSETFRAME (inev
.frame_or_window
, f
);
4410 inev
.timestamp
= msg
.msg
.time
;
4417 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4419 if (f
&& !f
->iconified
)
4421 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4422 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4424 clear_mouse_face (hlinfo
);
4425 hlinfo
->mouse_face_hidden
= 1;
4428 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4430 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4432 inev
.modifiers
= msg
.dwModifiers
;
4433 XSETFRAME (inev
.frame_or_window
, f
);
4434 inev
.timestamp
= msg
.msg
.time
;
4436 if (msg
.msg
.message
== WM_UNICHAR
)
4438 inev
.code
= msg
.msg
.wParam
;
4440 else if (msg
.msg
.wParam
< 256)
4445 dbcs
[1] = (char) msg
.msg
.wParam
;
4449 dbcs
[0] = dbcs_lead
;
4451 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4455 DebPrint (("Invalid DBCS sequence: %d %d\n",
4457 inev
.kind
= NO_EVENT
;
4461 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4462 (BYTE
) msg
.msg
.wParam
))
4464 dbcs_lead
= (char) msg
.msg
.wParam
;
4465 inev
.kind
= NO_EVENT
;
4470 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4471 &dbcs
[1], 1, &code
, 1))
4473 /* What to do with garbage? */
4474 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4475 inev
.kind
= NO_EVENT
;
4483 /* Windows shouldn't generate WM_CHAR events above 0xFF
4484 in non-Unicode message handlers. */
4485 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4486 inev
.kind
= NO_EVENT
;
4489 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4490 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4495 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4497 if (f
&& !f
->iconified
)
4499 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4500 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4502 clear_mouse_face (hlinfo
);
4503 hlinfo
->mouse_face_hidden
= 1;
4506 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4508 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4509 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4510 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4511 inev
.modifiers
= msg
.dwModifiers
;
4512 XSETFRAME (inev
.frame_or_window
, f
);
4513 inev
.timestamp
= msg
.msg
.time
;
4518 /* Ignore non-movement. */
4520 int x
= LOWORD (msg
.msg
.lParam
);
4521 int y
= HIWORD (msg
.msg
.lParam
);
4522 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4524 last_mousemove_x
= x
;
4525 last_mousemove_y
= y
;
4528 previous_help_echo_string
= help_echo_string
;
4529 help_echo_string
= Qnil
;
4531 if (dpyinfo
->grabbed
&& last_mouse_frame
4532 && FRAME_LIVE_P (last_mouse_frame
))
4533 f
= last_mouse_frame
;
4535 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4537 if (hlinfo
->mouse_face_hidden
)
4539 hlinfo
->mouse_face_hidden
= 0;
4540 clear_mouse_face (hlinfo
);
4545 /* Generate SELECT_WINDOW_EVENTs when needed. */
4546 if (!NILP (Vmouse_autoselect_window
))
4549 int x
= LOWORD (msg
.msg
.lParam
);
4550 int y
= HIWORD (msg
.msg
.lParam
);
4552 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4554 /* Window will be selected only when it is not
4555 selected now and last mouse movement event was
4556 not in it. Minibuffer window will be selected
4557 only when it is active. */
4558 if (WINDOWP (window
)
4559 && !EQ (window
, last_window
)
4560 && !EQ (window
, selected_window
)
4561 /* For click-to-focus window managers
4562 create event iff we don't leave the
4564 && (focus_follows_mouse
4565 || (EQ (XWINDOW (window
)->frame
,
4566 XWINDOW (selected_window
)->frame
))))
4568 inev
.kind
= SELECT_WINDOW_EVENT
;
4569 inev
.frame_or_window
= window
;
4572 last_window
= window
;
4574 if (!note_mouse_movement (f
, &msg
.msg
))
4575 help_echo_string
= previous_help_echo_string
;
4579 /* If we move outside the frame, then we're
4580 certainly no longer on any text in the frame. */
4581 clear_mouse_face (hlinfo
);
4584 /* If the contents of the global variable help_echo_string
4585 has changed, generate a HELP_EVENT. */
4586 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4587 But it was originally changed to this to fix a bug, so I have
4588 not removed it completely in case the bug is still there. */
4589 if (help_echo_string
!= previous_help_echo_string
||
4590 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4591 #else /* This is what xterm.c does. */
4592 if (!NILP (help_echo_string
)
4593 || !NILP (previous_help_echo_string
))
4598 case WM_LBUTTONDOWN
:
4600 case WM_MBUTTONDOWN
:
4602 case WM_RBUTTONDOWN
:
4604 case WM_XBUTTONDOWN
:
4607 /* If we decide we want to generate an event to be seen
4608 by the rest of Emacs, we put it here. */
4613 if (dpyinfo
->grabbed
&& last_mouse_frame
4614 && FRAME_LIVE_P (last_mouse_frame
))
4615 f
= last_mouse_frame
;
4617 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4621 construct_mouse_click (&inev
, &msg
, f
);
4623 /* Is this in the tool-bar? */
4624 if (WINDOWP (f
->tool_bar_window
)
4625 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4628 int x
= XFASTINT (inev
.x
);
4629 int y
= XFASTINT (inev
.y
);
4631 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4633 if (EQ (window
, f
->tool_bar_window
))
4635 w32_handle_tool_bar_click (f
, &inev
);
4641 || (dpyinfo
->w32_focus_frame
4642 && f
!= dpyinfo
->w32_focus_frame
))
4643 inev
.kind
= NO_EVENT
;
4646 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4651 dpyinfo
->grabbed
&= ~ (1 << button
);
4655 dpyinfo
->grabbed
|= (1 << button
);
4656 last_mouse_frame
= f
;
4657 /* Ignore any mouse motion that happened
4658 before this event; any subsequent mouse-movement
4659 Emacs events should reflect only motion after
4665 last_tool_bar_item
= -1;
4671 case WM_MOUSEHWHEEL
:
4673 if (dpyinfo
->grabbed
&& last_mouse_frame
4674 && FRAME_LIVE_P (last_mouse_frame
))
4675 f
= last_mouse_frame
;
4677 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4682 if (!dpyinfo
->w32_focus_frame
4683 || f
== dpyinfo
->w32_focus_frame
)
4685 /* Emit an Emacs wheel-up/down event. */
4686 construct_mouse_wheel (&inev
, &msg
, f
);
4688 /* Ignore any mouse motion that happened before this
4689 event; any subsequent mouse-movement Emacs events
4690 should reflect only motion after the
4694 last_mouse_frame
= f
;
4695 last_tool_bar_item
= -1;
4700 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4703 construct_drag_n_drop (&inev
, &msg
, f
);
4708 struct scroll_bar
*bar
=
4709 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4712 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4716 case WM_WINDOWPOSCHANGED
:
4717 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4720 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4721 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4723 check_visibility
= 1;
4727 case WM_ACTIVATEAPP
:
4728 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4730 x_check_fullscreen (f
);
4731 check_visibility
= 1;
4735 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4737 if (f
&& !f
->async_iconified
)
4741 x_real_positions (f
, &x
, &y
);
4746 check_visibility
= 1;
4750 /* wParam non-zero means Window is about to be shown, 0 means
4751 about to be hidden. */
4752 /* Redo the mouse-highlight after the tooltip has gone. */
4753 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4756 redo_mouse_highlight ();
4759 /* If window has been obscured or exposed by another window
4760 being maximized or minimized/restored, then recheck
4761 visibility of all frames. Direct changes to our own
4762 windows get handled by WM_SIZE. */
4764 if (msg
.msg
.lParam
!= 0)
4765 check_visibility
= 1;
4768 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4769 f
->async_visible
= msg
.msg
.wParam
;
4773 check_visibility
= 1;
4777 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4779 /* Inform lisp of whether frame has been iconified etc. */
4782 switch (msg
.msg
.wParam
)
4784 case SIZE_MINIMIZED
:
4785 f
->async_visible
= 0;
4786 f
->async_iconified
= 1;
4788 inev
.kind
= ICONIFY_EVENT
;
4789 XSETFRAME (inev
.frame_or_window
, f
);
4792 case SIZE_MAXIMIZED
:
4794 f
->async_visible
= 1;
4795 f
->async_iconified
= 0;
4797 /* wait_reading_process_output will notice this and update
4798 the frame's display structures. */
4799 SET_FRAME_GARBAGED (f
);
4805 /* Reset top and left positions of the Window
4806 here since Windows sends a WM_MOVE message
4807 BEFORE telling us the Window is minimized
4808 when the Window is iconified, with 3000,3000
4810 x_real_positions (f
, &x
, &y
);
4814 inev
.kind
= DEICONIFY_EVENT
;
4815 XSETFRAME (inev
.frame_or_window
, f
);
4817 else if (! NILP (Vframe_list
)
4818 && ! NILP (XCDR (Vframe_list
)))
4819 /* Force a redisplay sooner or later
4820 to update the frame titles
4821 in case this is the second frame. */
4822 record_asynch_buffer_change ();
4827 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4835 GetClientRect (msg
.msg
.hwnd
, &rect
);
4837 height
= rect
.bottom
- rect
.top
;
4838 width
= rect
.right
- rect
.left
;
4840 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4841 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4843 /* TODO: Clip size to the screen dimensions. */
4845 /* Even if the number of character rows and columns has
4846 not changed, the font size may have changed, so we need
4847 to check the pixel dimensions as well. */
4849 if (columns
!= FRAME_COLS (f
)
4850 || rows
!= FRAME_LINES (f
)
4851 || width
!= FRAME_PIXEL_WIDTH (f
)
4852 || height
!= FRAME_PIXEL_HEIGHT (f
))
4854 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4855 SET_FRAME_GARBAGED (f
);
4856 cancel_mouse_face (f
);
4857 FRAME_PIXEL_WIDTH (f
) = width
;
4858 FRAME_PIXEL_HEIGHT (f
) = height
;
4859 f
->win_gravity
= NorthWestGravity
;
4863 check_visibility
= 1;
4867 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4870 if (f
== hlinfo
->mouse_face_mouse_frame
)
4872 /* If we move outside the frame, then we're
4873 certainly no longer on any text in the frame. */
4874 clear_mouse_face (hlinfo
);
4875 hlinfo
->mouse_face_mouse_frame
= 0;
4878 /* Generate a nil HELP_EVENT to cancel a help-echo.
4879 Do it only if there's something to cancel.
4880 Otherwise, the startup message is cleared when
4881 the mouse leaves the frame. */
4882 if (any_help_event_p
)
4888 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4890 dpyinfo
->grabbed
= 0;
4891 check_visibility
= 1;
4895 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4899 if (f
== dpyinfo
->w32_focus_event_frame
)
4900 dpyinfo
->w32_focus_event_frame
= 0;
4902 if (f
== dpyinfo
->w32_focus_frame
)
4903 x_new_focus_frame (dpyinfo
, 0);
4905 if (f
== hlinfo
->mouse_face_mouse_frame
)
4907 /* If we move outside the frame, then we're
4908 certainly no longer on any text in the frame. */
4909 clear_mouse_face (hlinfo
);
4910 hlinfo
->mouse_face_mouse_frame
= 0;
4913 /* Generate a nil HELP_EVENT to cancel a help-echo.
4914 Do it only if there's something to cancel.
4915 Otherwise, the startup message is cleared when
4916 the mouse leaves the frame. */
4917 if (any_help_event_p
)
4921 dpyinfo
->grabbed
= 0;
4922 check_visibility
= 1;
4926 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4930 inev
.kind
= DELETE_WINDOW_EVENT
;
4931 XSETFRAME (inev
.frame_or_window
, f
);
4936 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4940 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4941 XSETFRAME (inev
.frame_or_window
, f
);
4946 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4950 extern void menubar_selection_callback
4951 (FRAME_PTR f
, void * client_data
);
4952 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4955 check_visibility
= 1;
4958 case WM_DISPLAYCHANGE
:
4959 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4963 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4964 DebPrint (("display change: %d %d\n",
4965 (short) LOWORD (msg
.msg
.lParam
),
4966 (short) HIWORD (msg
.msg
.lParam
)));
4969 check_visibility
= 1;
4972 case WM_EMACS_FILENOTIFY
:
4973 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4975 queue_notifications (&inev
, &msg
, f
, &count
);
4979 /* Check for messages registered at runtime. */
4980 if (msg
.msg
.message
== msh_mousewheel
)
4982 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4983 msg
.msg
.message
= WM_MOUSEWHEEL
;
4989 if (inev
.kind
!= NO_EVENT
)
4991 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4996 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
5001 XSETFRAME (frame
, f
);
5007 if (NILP (help_echo_string
))
5009 help_echo_object
= help_echo_window
= Qnil
;
5013 any_help_event_p
= 1;
5014 gen_help_event (help_echo_string
, frame
, help_echo_window
,
5015 help_echo_object
, help_echo_pos
);
5019 help_echo_string
= Qnil
;
5020 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
5026 /* If the focus was just given to an autoraising frame,
5028 /* ??? This ought to be able to handle more than one such frame. */
5029 if (pending_autoraise_frame
)
5031 x_raise_frame (pending_autoraise_frame
);
5032 pending_autoraise_frame
= 0;
5035 /* Check which frames are still visible, if we have enqueued any user
5036 events or been notified of events that may affect visibility. We
5037 do this here because there doesn't seem to be any direct
5038 notification from Windows that the visibility of a window has
5039 changed (at least, not in all cases). */
5040 if (count
> 0 || check_visibility
)
5042 Lisp_Object tail
, frame
;
5044 FOR_EACH_FRAME (tail
, frame
)
5046 FRAME_PTR f
= XFRAME (frame
);
5047 /* The tooltip has been drawn already. Avoid the
5048 SET_FRAME_GARBAGED below. */
5049 if (EQ (frame
, tip_frame
))
5052 /* Check "visible" frames and mark each as obscured or not.
5053 Note that async_visible is nonzero for unobscured and
5054 obscured frames, but zero for hidden and iconified frames. */
5055 if (FRAME_W32_P (f
) && f
->async_visible
)
5061 /* Query clipping rectangle for the entire window area
5062 (GetWindowDC), not just the client portion (GetDC).
5063 Otherwise, the scrollbars and menubar aren't counted as
5064 part of the visible area of the frame, and we may think
5065 the frame is obscured when really a scrollbar is still
5066 visible and gets WM_PAINT messages above. */
5067 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
5068 GetClipBox (hdc
, &clipbox
);
5069 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
5072 if (clipbox
.right
== clipbox
.left
5073 || clipbox
.bottom
== clipbox
.top
)
5075 /* Frame has become completely obscured so mark as
5076 such (we do this by setting async_visible to 2 so
5077 that FRAME_VISIBLE_P is still true, but redisplay
5079 f
->async_visible
= 2;
5081 if (!FRAME_OBSCURED_P (f
))
5083 DebPrint (("frame %p (%s) obscured\n", f
,
5089 /* Frame is not obscured, so mark it as such. */
5090 f
->async_visible
= 1;
5092 if (FRAME_OBSCURED_P (f
))
5094 SET_FRAME_GARBAGED (f
);
5095 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
5098 /* Force a redisplay sooner or later. */
5099 record_asynch_buffer_change ();
5112 /***********************************************************************
5114 ***********************************************************************/
5116 /* Set clipping for output in glyph row ROW. W is the window in which
5117 we operate. GC is the graphics context to set clipping in.
5119 ROW may be a text row or, e.g., a mode line. Text rows must be
5120 clipped to the interior of the window dedicated to text display,
5121 mode lines must be clipped to the whole window. */
5124 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
, int area
, HDC hdc
)
5127 int window_x
, window_y
, window_width
;
5129 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5131 clip_rect
.left
= window_x
;
5132 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5133 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5134 clip_rect
.right
= clip_rect
.left
+ window_width
;
5135 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5137 w32_set_clip_rectangle (hdc
, &clip_rect
);
5141 /* Draw a hollow box cursor on window W in glyph row ROW. */
5144 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5146 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5150 struct glyph
*cursor_glyph
;
5151 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5153 /* Get the glyph the cursor is on. If we can't tell because
5154 the current matrix is invalid or such, give up. */
5155 cursor_glyph
= get_phys_cursor_glyph (w
);
5156 if (cursor_glyph
== NULL
)
5159 /* Compute frame-relative coordinates for phys cursor. */
5160 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5163 rect
.bottom
= rect
.top
+ h
;
5164 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5166 hdc
= get_frame_dc (f
);
5167 /* Set clipping, draw the rectangle, and reset clipping again. */
5168 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5169 FrameRect (hdc
, &rect
, hb
);
5171 w32_set_clip_rectangle (hdc
, NULL
);
5172 release_frame_dc (f
, hdc
);
5176 /* Draw a bar cursor on window W in glyph row ROW.
5178 Implementation note: One would like to draw a bar cursor with an
5179 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5180 Unfortunately, I didn't find a font yet that has this property set.
5184 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5185 int width
, enum text_cursor_kinds kind
)
5187 struct frame
*f
= XFRAME (w
->frame
);
5188 struct glyph
*cursor_glyph
;
5190 /* If cursor is out of bounds, don't draw garbage. This can happen
5191 in mini-buffer windows when switching between echo area glyphs
5193 cursor_glyph
= get_phys_cursor_glyph (w
);
5194 if (cursor_glyph
== NULL
)
5197 /* If on an image, draw like a normal cursor. That's usually better
5198 visible than drawing a bar, esp. if the image is large so that
5199 the bar might not be in the window. */
5200 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5202 struct glyph_row
*row
;
5203 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5204 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5208 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5209 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5213 /* If the glyph's background equals the color we normally draw
5214 the bar cursor in, the bar cursor in its normal color is
5215 invisible. Use the glyph's foreground color instead in this
5216 case, on the assumption that the glyph's colors are chosen so
5217 that the glyph is legible. */
5218 if (face
->background
== cursor_color
)
5219 cursor_color
= face
->foreground
;
5221 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5223 hdc
= get_frame_dc (f
);
5224 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5226 if (kind
== BAR_CURSOR
)
5229 width
= FRAME_CURSOR_WIDTH (f
);
5230 width
= min (cursor_glyph
->pixel_width
, width
);
5232 w
->phys_cursor_width
= width
;
5234 /* If the character under cursor is R2L, draw the bar cursor
5235 on the right of its glyph, rather than on the left. */
5236 if ((cursor_glyph
->resolved_level
& 1) != 0)
5237 x
+= cursor_glyph
->pixel_width
- width
;
5239 w32_fill_area (f
, hdc
, cursor_color
, x
,
5240 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5241 width
, row
->height
);
5245 int dummy_x
, dummy_y
, dummy_h
;
5248 width
= row
->height
;
5250 width
= min (row
->height
, width
);
5252 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5253 &dummy_y
, &dummy_h
);
5254 w32_fill_area (f
, hdc
, cursor_color
, x
,
5255 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5256 row
->height
- width
),
5257 w
->phys_cursor_width
, width
);
5260 w32_set_clip_rectangle (hdc
, NULL
);
5261 release_frame_dc (f
, hdc
);
5266 /* RIF: Define cursor CURSOR on frame F. */
5269 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5271 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5275 /* RIF: Clear area on frame F. */
5278 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5282 hdc
= get_frame_dc (f
);
5283 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5284 release_frame_dc (f
, hdc
);
5287 /* RIF: Draw or clear cursor on window W. */
5290 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5291 int x
, int y
, int cursor_type
, int cursor_width
,
5292 int on_p
, int active_p
)
5296 /* If the user wants to use the system caret, make sure our own
5297 cursor remains invisible. */
5298 if (w32_use_visible_system_caret
)
5300 /* Call to erase_phys_cursor here seems to use the
5301 wrong values of w->phys_cursor, as they have been
5302 overwritten before this function was called. */
5303 if (w
->phys_cursor_type
!= NO_CURSOR
)
5304 erase_phys_cursor (w
);
5306 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5307 w
->phys_cursor_width
= -1;
5311 w
->phys_cursor_type
= cursor_type
;
5314 w
->phys_cursor_on_p
= 1;
5316 /* If this is the active cursor, we need to track it with the
5317 system caret, so third party software like screen magnifiers
5318 and speech synthesizers can follow the cursor. */
5321 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5322 HWND hwnd
= FRAME_W32_WINDOW (f
);
5325 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5327 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5328 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5330 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5332 /* If the size of the active cursor changed, destroy the old
5334 if (w32_system_caret_hwnd
5335 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5336 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5338 w32_system_caret_height
= w
->phys_cursor_height
;
5340 /* Move the system caret. */
5341 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5344 if (glyph_row
->exact_window_width_line_p
5345 && (glyph_row
->reversed_p
5346 ? (w
->phys_cursor
.hpos
< 0)
5347 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5349 glyph_row
->cursor_in_fringe_p
= 1;
5350 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5354 switch (cursor_type
)
5356 case HOLLOW_BOX_CURSOR
:
5357 x_draw_hollow_cursor (w
, glyph_row
);
5360 case FILLED_BOX_CURSOR
:
5361 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5365 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5369 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5373 w
->phys_cursor_width
= 0;
5387 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5390 HANDLE small_icon
= NULL
;
5392 if (FRAME_W32_WINDOW (f
) == 0)
5396 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5397 else if (STRINGP (icon
))
5399 /* Load the main icon from the named file. */
5400 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5401 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5402 /* Try to load a small icon to go with it. */
5403 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5404 GetSystemMetrics (SM_CXSMICON
),
5405 GetSystemMetrics (SM_CYSMICON
),
5408 else if (SYMBOLP (icon
))
5412 if (EQ (icon
, intern ("application")))
5413 name
= (LPCTSTR
) IDI_APPLICATION
;
5414 else if (EQ (icon
, intern ("hand")))
5415 name
= (LPCTSTR
) IDI_HAND
;
5416 else if (EQ (icon
, intern ("question")))
5417 name
= (LPCTSTR
) IDI_QUESTION
;
5418 else if (EQ (icon
, intern ("exclamation")))
5419 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5420 else if (EQ (icon
, intern ("asterisk")))
5421 name
= (LPCTSTR
) IDI_ASTERISK
;
5422 else if (EQ (icon
, intern ("winlogo")))
5423 name
= (LPCTSTR
) IDI_WINLOGO
;
5427 main_icon
= LoadIcon (NULL
, name
);
5432 if (main_icon
== NULL
)
5435 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5436 (LPARAM
) main_icon
);
5438 /* If there is a small icon that goes with it, set that too. */
5440 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5441 (LPARAM
) small_icon
);
5447 /************************************************************************
5449 ************************************************************************/
5451 /* Display Error Handling functions not used on W32. Listing them here
5452 helps diff stay in step when comparing w32term.c with xterm.c.
5454 x_error_catcher (display, error)
5455 x_catch_errors (dpy)
5456 x_catch_errors_unwind (old_val)
5457 x_check_errors (dpy, format)
5458 x_fully_uncatch_errors ()
5459 x_had_errors_p (dpy)
5460 x_clear_errors (dpy)
5461 x_uncatch_errors (dpy, count)
5463 x_connection_signal (signalnum)
5464 x_connection_closed (dpy, error_message)
5465 x_error_quitter (display, error)
5466 x_error_handler (display, error)
5467 x_io_error_quitter (display)
5472 /* Changing the font of the frame. */
5475 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5477 struct font
*font
= XFONT_OBJECT (font_object
);
5480 fontset
= fontset_from_font (font_object
);
5481 FRAME_FONTSET (f
) = fontset
;
5482 if (FRAME_FONT (f
) == font
)
5483 /* This font is already set in frame F. There's nothing more to
5487 FRAME_FONT (f
) = font
;
5488 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5489 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5490 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5491 FRAME_LINE_HEIGHT (f
) = font
->height
;
5493 compute_fringe_widths (f
, 1);
5495 /* Compute the scroll bar width in character columns. */
5496 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5498 int wid
= FRAME_COLUMN_WIDTH (f
);
5499 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5500 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5504 int wid
= FRAME_COLUMN_WIDTH (f
);
5505 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5508 /* Now make the frame display the given font. */
5509 if (FRAME_X_WINDOW (f
) != 0)
5511 /* Don't change the size of a tip frame; there's no point in
5512 doing it because it's done in Fx_show_tip, and it leads to
5513 problems because the tip frame has no widget. */
5514 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5515 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5518 /* X version sets font of input methods here also. */
5524 /***********************************************************************
5525 TODO: W32 Input Methods
5526 ***********************************************************************/
5527 /* Listing missing functions from xterm.c helps diff stay in step.
5529 xim_destroy_callback (xim, client_data, call_data)
5530 xim_open_dpy (dpyinfo, resource_name)
5532 xim_instantiate_callback (display, client_data, call_data)
5533 xim_initialize (dpyinfo, resource_name)
5534 xim_close_dpy (dpyinfo)
5539 /* Calculate the absolute position in frame F
5540 from its current recorded position values and gravity. */
5543 x_calc_absolute_position (struct frame
*f
)
5545 int flags
= f
->size_hint_flags
;
5547 /* The sum of the widths of the frame's left and right borders, and
5548 the sum of the heights of the frame's top and bottom borders (in
5549 pixels) drawn by Windows. */
5550 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5552 /* Try to get the actual values of these two variables. We compute
5553 the border width (height) by subtracting the width (height) of
5554 the frame's client area from the width (height) of the frame's
5556 WINDOWPLACEMENT wp
= { 0 };
5557 RECT client_rect
= { 0 };
5559 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5560 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5562 left_right_borders_width
=
5563 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5564 (client_rect
.right
- client_rect
.left
);
5566 top_bottom_borders_height
=
5567 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5568 (client_rect
.bottom
- client_rect
.top
);
5572 /* Use sensible default values. */
5573 left_right_borders_width
= 8;
5574 top_bottom_borders_height
= 32;
5577 /* Treat negative positions as relative to the rightmost bottommost
5578 position that fits on the screen. */
5579 if (flags
& XNegative
)
5580 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5581 - FRAME_PIXEL_WIDTH (f
)
5583 - (left_right_borders_width
- 1));
5585 if (flags
& YNegative
)
5586 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5587 - FRAME_PIXEL_HEIGHT (f
)
5589 - (top_bottom_borders_height
- 1));
5591 /* The left_pos and top_pos are now relative to the top and left
5592 screen edges, so the flags should correspond. */
5593 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5596 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5597 to really change the position, and 0 when calling from
5598 x_make_frame_visible (in that case, XOFF and YOFF are the current
5599 position values). It is -1 when calling from x_set_frame_parameters,
5600 which means, do adjust for borders but don't change the gravity. */
5603 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5606 int modified_top
, modified_left
;
5608 if (change_gravity
> 0)
5612 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5614 f
->size_hint_flags
|= XNegative
;
5616 f
->size_hint_flags
|= YNegative
;
5617 f
->win_gravity
= NorthWestGravity
;
5619 x_calc_absolute_position (f
);
5622 x_wm_set_size_hint (f
, (long) 0, 0);
5624 modified_left
= f
->left_pos
;
5625 modified_top
= f
->top_pos
;
5627 my_set_window_pos (FRAME_W32_WINDOW (f
),
5629 modified_left
, modified_top
,
5631 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5636 /* Check if we need to resize the frame due to a fullscreen request.
5637 If so needed, resize the frame. */
5639 x_check_fullscreen (struct frame
*f
)
5641 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5643 int width
, height
, ign
;
5645 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5647 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5649 /* We do not need to move the window, it shall be taken care of
5650 when setting WM manager hints. */
5651 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5653 change_frame_size (f
, height
, width
, 0, 1, 0);
5654 SET_FRAME_GARBAGED (f
);
5655 cancel_mouse_face (f
);
5657 /* Wait for the change of frame size to occur. */
5658 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5663 /* Call this to change the size of frame F's x-window.
5664 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5665 for this size change and subsequent size changes.
5666 Otherwise we leave the window gravity unchanged. */
5669 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5671 int pixelwidth
, pixelheight
;
5675 check_frame_size (f
, &rows
, &cols
);
5676 f
->scroll_bar_actual_width
5677 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5679 compute_fringe_widths (f
, 0);
5681 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5682 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5684 f
->win_gravity
= NorthWestGravity
;
5685 x_wm_set_size_hint (f
, (long) 0, 0);
5690 rect
.left
= rect
.top
= 0;
5691 rect
.right
= pixelwidth
;
5692 rect
.bottom
= pixelheight
;
5694 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5695 FRAME_EXTERNAL_MENU_BAR (f
));
5697 my_set_window_pos (FRAME_W32_WINDOW (f
),
5700 rect
.right
- rect
.left
,
5701 rect
.bottom
- rect
.top
,
5702 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5706 /* The following mirrors what is done in xterm.c. It appears to be
5707 for informing lisp of the new size immediately, while the actual
5708 resize will happen asynchronously. But on Windows, the menu bar
5709 automatically wraps when the frame is too narrow to contain it,
5710 and that causes any calculations made here to come out wrong. The
5711 end is some nasty buggy behavior, including the potential loss
5714 Disabling this code is either not sufficient to fix the problems
5715 completely, or it causes fresh problems, but at least it removes
5716 the most problematic symptom of the minibuffer becoming unusable.
5718 -----------------------------------------------------------------
5720 Now, strictly speaking, we can't be sure that this is accurate,
5721 but the window manager will get around to dealing with the size
5722 change request eventually, and we'll hear how it went when the
5723 ConfigureNotify event gets here.
5725 We could just not bother storing any of this information here,
5726 and let the ConfigureNotify event set everything up, but that
5727 might be kind of confusing to the Lisp code, since size changes
5728 wouldn't be reported in the frame parameters until some random
5729 point in the future when the ConfigureNotify event arrives.
5731 We pass 1 for DELAY since we can't run Lisp code inside of
5733 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5734 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5735 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5737 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5738 receive in the ConfigureNotify event; if we get what we asked
5739 for, then the event won't cause the screen to become garbaged, so
5740 we have to make sure to do it here. */
5741 SET_FRAME_GARBAGED (f
);
5743 /* If cursor was outside the new size, mark it as off. */
5744 mark_window_cursors_off (XWINDOW (f
->root_window
));
5746 /* Clear out any recollection of where the mouse highlighting was,
5747 since it might be in a place that's outside the new frame size.
5748 Actually checking whether it is outside is a pain in the neck,
5749 so don't try--just let the highlighting be done afresh with new size. */
5750 cancel_mouse_face (f
);
5756 /* Mouse warping. */
5758 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5761 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5765 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5766 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5768 if (pix_x
< 0) pix_x
= 0;
5769 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5771 if (pix_y
< 0) pix_y
= 0;
5772 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5774 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5778 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5785 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5786 pt
.x
= rect
.left
+ pix_x
;
5787 pt
.y
= rect
.top
+ pix_y
;
5788 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5790 SetCursorPos (pt
.x
, pt
.y
);
5796 /* focus shifting, raising and lowering. */
5799 x_focus_on_frame (struct frame
*f
)
5801 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5803 /* Give input focus to frame. */
5806 /* Try not to change its Z-order if possible. */
5807 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5808 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5811 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5816 x_unfocus_frame (struct frame
*f
)
5820 /* Raise frame F. */
5822 x_raise_frame (struct frame
*f
)
5826 /* Strictly speaking, raise-frame should only change the frame's Z
5827 order, leaving input focus unchanged. This is reasonable behavior
5828 on X where the usual policy is point-to-focus. However, this
5829 behavior would be very odd on Windows where the usual policy is
5832 On X, if the mouse happens to be over the raised frame, it gets
5833 input focus anyway (so the window with focus will never be
5834 completely obscured) - if not, then just moving the mouse over it
5835 is sufficient to give it focus. On Windows, the user must actually
5836 click on the frame (preferably the title bar so as not to move
5837 point), which is more awkward. Also, no other Windows program
5838 raises a window to the top but leaves another window (possibly now
5839 completely obscured) with input focus.
5841 Because there is a system setting on Windows that allows the user
5842 to choose the point to focus policy, we make the strict semantics
5843 optional, but by default we grab focus when raising. */
5845 if (NILP (Vw32_grab_focus_on_raise
))
5847 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5848 not already the foreground application: the frame is raised
5849 above all other frames belonging to us, but not above the
5850 current top window. To achieve that, we have to resort to this
5851 more cumbersome method. */
5853 HDWP handle
= BeginDeferWindowPos (2);
5856 handle
= DeferWindowPos (handle
,
5857 FRAME_W32_WINDOW (f
),
5860 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5863 handle
= DeferWindowPos (handle
,
5864 GetForegroundWindow (),
5865 FRAME_W32_WINDOW (f
),
5867 SWP_NOSIZE
| SWP_NOMOVE
|
5870 EndDeferWindowPos (handle
);
5876 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5882 /* Lower frame F. */
5884 x_lower_frame (struct frame
*f
)
5887 my_set_window_pos (FRAME_W32_WINDOW (f
),
5890 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5895 w32_frame_raise_lower (FRAME_PTR f
, int raise_flag
)
5897 if (! FRAME_W32_P (f
))
5906 /* Change of visibility. */
5908 /* This tries to wait until the frame is really visible.
5909 However, if the window manager asks the user where to position
5910 the frame, this will return before the user finishes doing that.
5911 The frame will not actually be visible at that time,
5912 but it will become visible later when the window manager
5913 finishes with it. */
5916 x_make_frame_visible (struct frame
*f
)
5922 type
= x_icon_type (f
);
5924 x_bitmap_icon (f
, type
);
5926 if (! FRAME_VISIBLE_P (f
))
5928 /* We test FRAME_GARBAGED_P here to make sure we don't
5929 call x_set_offset a second time
5930 if we get to x_make_frame_visible a second time
5931 before the window gets really visible. */
5932 if (! FRAME_ICONIFIED_P (f
)
5933 && ! f
->output_data
.w32
->asked_for_visible
)
5938 /* Adjust vertical window position in order to avoid being
5939 covered by a task bar placed at the bottom of the desktop. */
5940 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5941 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5942 if (window_rect
.bottom
> workarea_rect
.bottom
5943 && window_rect
.top
> workarea_rect
.top
)
5944 f
->top_pos
= max (window_rect
.top
5945 - window_rect
.bottom
+ workarea_rect
.bottom
,
5948 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5951 f
->output_data
.w32
->asked_for_visible
= 1;
5953 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5954 causes unexpected behavior when unminimizing frames that were
5955 previously maximized. But only SW_SHOWNORMAL works properly for
5956 frames that were truely hidden (using make-frame-invisible), so
5957 we need it to avoid Bug#5482. It seems that async_iconified
5958 is only set for minimized windows that are still visible, so
5959 use that to determine the appropriate flag to pass ShowWindow. */
5960 my_show_window (f
, FRAME_W32_WINDOW (f
),
5961 f
->async_iconified
? SW_RESTORE
: SW_SHOWNORMAL
);
5964 /* Synchronize to ensure Emacs knows the frame is visible
5965 before we do anything else. We do this loop with input not blocked
5966 so that incoming events are handled. */
5971 /* This must come after we set COUNT. */
5974 XSETFRAME (frame
, f
);
5976 /* Wait until the frame is visible. Process X events until a
5977 MapNotify event has been seen, or until we think we won't get a
5978 MapNotify at all.. */
5979 for (count
= input_signal_count
+ 10;
5980 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5982 /* Force processing of queued events. */
5983 /* TODO: x_sync equivalent? */
5985 /* Machines that do polling rather than SIGIO have been observed
5986 to go into a busy-wait here. So we'll fake an alarm signal
5987 to let the handler know that there's something to be read.
5988 We used to raise a real alarm, but it seems that the handler
5989 isn't always enabled here. This is probably a bug. */
5990 if (input_polling_used ())
5992 /* It could be confusing if a real alarm arrives while processing
5993 the fake one. Turn it off and let the handler reset it. */
5994 int old_poll_suppress_count
= poll_suppress_count
;
5995 poll_suppress_count
= 1;
5996 poll_for_input_1 ();
5997 poll_suppress_count
= old_poll_suppress_count
;
6000 FRAME_SAMPLE_VISIBILITY (f
);
6004 /* Change from mapped state to withdrawn state. */
6006 /* Make the frame visible (mapped and not iconified). */
6009 x_make_frame_invisible (struct frame
*f
)
6011 /* Don't keep the highlight on an invisible frame. */
6012 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6013 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6017 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
6019 /* We can't distinguish this from iconification
6020 just by the event that we get from the server.
6021 So we can't win using the usual strategy of letting
6022 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
6023 and synchronize with the server to make sure we agree. */
6025 FRAME_ICONIFIED_P (f
) = 0;
6026 f
->async_visible
= 0;
6027 f
->async_iconified
= 0;
6032 /* Change window state from mapped to iconified. */
6035 x_iconify_frame (struct frame
*f
)
6039 /* Don't keep the highlight on an invisible frame. */
6040 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
6041 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
6043 if (f
->async_iconified
)
6048 type
= x_icon_type (f
);
6050 x_bitmap_icon (f
, type
);
6052 /* Simulate the user minimizing the frame. */
6053 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6059 /* Free X resources of frame F. */
6062 x_free_frame_resources (struct frame
*f
)
6064 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6065 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
6069 /* We must free faces before destroying windows because some
6070 font-driver (e.g. xft) access a window while finishing a
6072 if (FRAME_FACE_CACHE (f
))
6073 free_frame_faces (f
);
6075 if (FRAME_W32_WINDOW (f
))
6076 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6078 free_frame_menubar (f
);
6080 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6081 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6082 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6083 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6084 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6085 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6086 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6087 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6088 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6089 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6091 if (FRAME_FACE_CACHE (f
))
6092 free_frame_faces (f
);
6094 xfree (f
->output_data
.w32
);
6095 f
->output_data
.w32
= NULL
;
6097 if (f
== dpyinfo
->w32_focus_frame
)
6098 dpyinfo
->w32_focus_frame
= 0;
6099 if (f
== dpyinfo
->w32_focus_event_frame
)
6100 dpyinfo
->w32_focus_event_frame
= 0;
6101 if (f
== dpyinfo
->x_highlight_frame
)
6102 dpyinfo
->x_highlight_frame
= 0;
6104 if (f
== hlinfo
->mouse_face_mouse_frame
)
6106 hlinfo
->mouse_face_beg_row
6107 = hlinfo
->mouse_face_beg_col
= -1;
6108 hlinfo
->mouse_face_end_row
6109 = hlinfo
->mouse_face_end_col
= -1;
6110 hlinfo
->mouse_face_window
= Qnil
;
6111 hlinfo
->mouse_face_deferred_gc
= 0;
6112 hlinfo
->mouse_face_mouse_frame
= 0;
6119 /* Destroy the window of frame F. */
6121 x_destroy_window (struct frame
*f
)
6123 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6125 x_free_frame_resources (f
);
6126 dpyinfo
->reference_count
--;
6130 /* Setting window manager hints. */
6132 /* Set the normal size hints for the window manager, for frame F.
6133 FLAGS is the flags word to use--or 0 meaning preserve the flags
6134 that the window now has.
6135 If USER_POSITION, set the USPosition
6136 flag (this is useful when FLAGS is 0). */
6138 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6140 Window window
= FRAME_W32_WINDOW (f
);
6144 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6145 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6146 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6147 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6152 /* Window manager things */
6154 x_wm_set_icon_position (struct frame
*f
, int icon_x
, int icon_y
)
6157 Window window
= FRAME_W32_WINDOW (f
);
6159 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
6160 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
6161 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
6163 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
6168 /***********************************************************************
6170 ***********************************************************************/
6174 /* Check that FONT is valid on frame F. It is if it can be found in F's
6178 x_check_font (struct frame
*f
, struct font
*font
)
6180 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6181 if (font
->driver
->check
)
6182 eassert (font
->driver
->check (f
, font
) == 0);
6185 #endif /* GLYPH_DEBUG */
6189 /***********************************************************************
6191 ***********************************************************************/
6193 static int w32_initialized
= 0;
6196 w32_initialize_display_info (Lisp_Object display_name
)
6198 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6199 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
6201 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6203 /* Put it on w32_display_name_list. */
6204 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6205 w32_display_name_list
);
6206 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6208 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6209 + SCHARS (Vsystem_name
) + 2);
6210 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6211 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6213 /* Default Console mode values - overridden when running in GUI mode
6214 with values obtained from system metrics. */
6217 dpyinfo
->n_planes
= 1;
6218 dpyinfo
->n_cbits
= 4;
6219 dpyinfo
->n_fonts
= 0;
6220 dpyinfo
->smallest_font_height
= 1;
6221 dpyinfo
->smallest_char_width
= 1;
6223 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
6224 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
6225 hlinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6226 hlinfo
->mouse_face_window
= Qnil
;
6227 hlinfo
->mouse_face_overlay
= Qnil
;
6228 hlinfo
->mouse_face_hidden
= 0;
6230 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6231 /* TODO: dpyinfo->gray */
6235 /* Create an xrdb-style database of resources to supersede registry settings.
6236 The database is just a concatenation of C strings, finished by an additional
6237 \0. The strings are submitted to some basic normalization, so
6239 [ *]option[ *]:[ *]value...
6245 but any whitespace following value is not removed. */
6248 w32_make_rdb (char *xrm_option
)
6250 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6251 char *current
= buffer
;
6254 int before_value
= 0;
6268 if (in_option
&& (ch
== ':'))
6273 else if (before_value
)
6278 else if (!(in_option
|| before_value
))
6290 x_flush (struct frame
* f
)
6291 { /* Nothing to do */ }
6294 extern frame_parm_handler w32_frame_parm_handlers
[];
6296 static struct redisplay_interface w32_redisplay_interface
=
6298 w32_frame_parm_handlers
,
6302 x_clear_end_of_line
,
6304 x_after_update_window_line
,
6305 x_update_window_begin
,
6306 x_update_window_end
,
6309 0, /* flush_display_optional */
6310 x_clear_window_mouse_face
,
6311 x_get_glyph_overhangs
,
6312 x_fix_overlapping_area
,
6313 w32_draw_fringe_bitmap
,
6314 w32_define_fringe_bitmap
,
6315 w32_destroy_fringe_bitmap
,
6316 w32_compute_glyph_string_overhangs
,
6317 x_draw_glyph_string
,
6318 w32_define_frame_cursor
,
6319 w32_clear_frame_area
,
6320 w32_draw_window_cursor
,
6321 w32_draw_vertical_window_border
,
6322 w32_shift_glyphs_for_insert
6325 static void x_delete_terminal (struct terminal
*term
);
6327 static struct terminal
*
6328 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6330 struct terminal
*terminal
;
6332 terminal
= create_terminal ();
6334 terminal
->type
= output_w32
;
6335 terminal
->display_info
.w32
= dpyinfo
;
6336 dpyinfo
->terminal
= terminal
;
6338 /* MSVC does not type K&R functions with no arguments correctly, and
6339 so we must explicitly cast them. */
6340 terminal
->clear_frame_hook
= x_clear_frame
;
6341 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6342 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6343 terminal
->ring_bell_hook
= w32_ring_bell
;
6344 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6345 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6346 terminal
->update_begin_hook
= x_update_begin
;
6347 terminal
->update_end_hook
= x_update_end
;
6348 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6349 terminal
->read_socket_hook
= w32_read_socket
;
6350 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6351 terminal
->mouse_position_hook
= w32_mouse_position
;
6352 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6353 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6354 /* terminal->fullscreen_hook = XTfullscreen_hook; */
6355 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6356 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6357 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6358 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6360 terminal
->delete_frame_hook
= x_destroy_window
;
6361 terminal
->delete_terminal_hook
= x_delete_terminal
;
6363 terminal
->rif
= &w32_redisplay_interface
;
6364 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6365 terminal
->char_ins_del_ok
= 1;
6366 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6367 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6368 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6371 /* We don't yet support separate terminals on W32, so don't try to share
6372 keyboards between virtual terminals that are on the same physical
6373 terminal like X does. */
6374 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6375 init_kboard (terminal
->kboard
);
6376 kset_window_system (terminal
->kboard
, intern ("w32"));
6377 terminal
->kboard
->next_kboard
= all_kboards
;
6378 all_kboards
= terminal
->kboard
;
6379 /* Don't let the initial kboard remain current longer than necessary.
6380 That would cause problems if a file loaded on startup tries to
6381 prompt in the mini-buffer. */
6382 if (current_kboard
== initial_kboard
)
6383 current_kboard
= terminal
->kboard
;
6384 terminal
->kboard
->reference_count
++;
6390 x_delete_terminal (struct terminal
*terminal
)
6392 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6394 /* Protect against recursive calls. delete_frame in
6395 delete_terminal calls us back when it deletes our last frame. */
6396 if (!terminal
->name
)
6401 x_delete_display (dpyinfo
);
6405 struct w32_display_info
*
6406 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6408 struct w32_display_info
*dpyinfo
;
6409 struct terminal
*terminal
;
6414 if (!w32_initialized
)
6417 w32_initialized
= 1;
6420 w32_initialize_display_info (display_name
);
6422 dpyinfo
= &one_w32_display_info
;
6423 terminal
= w32_create_terminal (dpyinfo
);
6425 /* Set the name of the terminal. */
6426 terminal
->name
= xmalloc (SBYTES (display_name
) + 1);
6427 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6428 terminal
->name
[SBYTES (display_name
)] = 0;
6430 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6432 /* Put this display on the chain. */
6433 dpyinfo
->next
= x_display_list
;
6434 x_display_list
= dpyinfo
;
6438 dpyinfo
->root_window
= GetDesktopWindow ();
6439 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6440 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6441 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6442 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6443 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6444 ReleaseDC (NULL
, hdc
);
6446 /* initialize palette with white and black */
6449 w32_defined_color (0, "white", &color
, 1);
6450 w32_defined_color (0, "black", &color
, 1);
6454 /* Add the default keyboard. When !WINDOWSNT, we're using the
6455 standard Emacs console handling machinery and don't need an
6456 explicit FD here. */
6457 add_keyboard_wait_descriptor (0);
6459 /* /dev/windows wakes us up when we have a thread message pending. */
6460 add_keyboard_wait_descriptor (w32_message_fd
);
6463 /* Create Fringe Bitmaps and store them for later use.
6465 On W32, bitmaps are all unsigned short, as Windows requires
6466 bitmap data to be Word aligned. For some reason they are
6467 horizontally reflected compared to how they appear on X, so we
6468 need to bitswap and convert to unsigned shorts before creating
6470 w32_init_fringe (terminal
->rif
);
6477 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6479 x_delete_display (struct w32_display_info
*dpyinfo
)
6481 /* Discard this display from w32_display_name_list and w32_display_list.
6482 We can't use Fdelq because that can quit. */
6483 if (! NILP (w32_display_name_list
)
6484 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6485 w32_display_name_list
= XCDR (w32_display_name_list
);
6490 tail
= w32_display_name_list
;
6491 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6493 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6495 XSETCDR (tail
, XCDR (XCDR (tail
)));
6502 /* free palette table */
6504 struct w32_palette_entry
* plist
;
6506 plist
= dpyinfo
->color_list
;
6509 struct w32_palette_entry
* pentry
= plist
;
6510 plist
= plist
->next
;
6513 dpyinfo
->color_list
= NULL
;
6514 if (dpyinfo
->palette
)
6515 DeleteObject (dpyinfo
->palette
);
6517 xfree (dpyinfo
->w32_id_name
);
6519 w32_reset_fringes ();
6523 /* Set up use of W32. */
6525 DWORD WINAPI
w32_msg_worker (void * arg
);
6528 w32_initialize (void)
6531 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6535 w32_system_caret_hwnd
= NULL
;
6536 w32_system_caret_height
= 0;
6537 w32_system_caret_x
= 0;
6538 w32_system_caret_y
= 0;
6540 /* On Windows 7 and later, we need to set the user model ID
6541 to associate emacsclient launched files with Emacs frames
6543 shell
= GetModuleHandle ("shell32.dll");
6547 = (void *) GetProcAddress (shell
,
6548 "SetCurrentProcessExplicitAppUserModelID");
6550 /* If the function is defined, then we are running on Windows 7
6551 or newer, and the UI uses this to group related windows
6552 together. Since emacs, runemacs, emacsclient are related, we
6553 want them grouped even though the executables are different,
6554 so we need to set a consistent ID between them. */
6556 set_user_model (L
"GNU.Emacs");
6560 if ((w32_message_fd
= open ("/dev/windows", O_RDWR
| O_CLOEXEC
)) == -1)
6561 fatal ("opening /dev/windows: %s", strerror (errno
));
6564 /* Initialize w32_use_visible_system_caret based on whether a screen
6565 reader is in use. */
6566 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6567 &w32_use_visible_system_caret
, 0))
6568 w32_use_visible_system_caret
= 0;
6570 last_tool_bar_item
= -1;
6571 any_help_event_p
= 0;
6573 /* Initialize input mode: interrupt_input off, no flow control, allow
6574 8 bit character input, standard quit char. */
6575 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6578 DWORD input_locale_id
= (DWORD
) GetKeyboardLayout (0);
6579 w32_keyboard_codepage
=
6580 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6583 /* Create the window thread - it will terminate itself when the app
6587 dwMainThreadId
= GetCurrentThreadId ();
6588 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6589 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6591 /* Wait for thread to start */
6595 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6597 hWindowsThread
= CreateThread (NULL
, 0,
6599 0, 0, &dwWindowsThreadId
);
6601 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6604 /* It is desirable that mainThread should have the same notion of
6605 focus window and active window as windowsThread. Unfortunately, the
6606 following call to AttachThreadInput, which should do precisely what
6607 we need, causes major problems when Emacs is linked as a console
6608 program. Unfortunately, we have good reasons for doing that, so
6609 instead we need to send messages to windowsThread to make some API
6610 calls for us (ones that affect, or depend on, the active/focus
6612 #ifdef ATTACH_THREADS
6613 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6616 /* Dynamically link to optional system components. */
6618 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6620 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6622 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6626 /* Ensure scrollbar handle is at least 5 pixels. */
6627 vertical_scroll_bar_min_handle
= 5;
6629 /* For either kind of scroll bar, take account of the arrows; these
6630 effectively form the border of the main scroll bar range. */
6631 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6632 = GetSystemMetrics (SM_CYVSCROLL
);
6637 syms_of_w32term (void)
6639 staticpro (&w32_display_name_list
);
6640 w32_display_name_list
= Qnil
;
6642 staticpro (&last_mouse_scroll_bar
);
6643 last_mouse_scroll_bar
= Qnil
;
6645 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6647 DEFSYM (Qadded
, "added");
6648 DEFSYM (Qremoved
, "removed");
6649 DEFSYM (Qmodified
, "modified");
6650 DEFSYM (Qrenamed_from
, "renamed-from");
6651 DEFSYM (Qrenamed_to
, "renamed-to");
6653 DEFVAR_INT ("w32-num-mouse-buttons",
6654 w32_num_mouse_buttons
,
6655 doc
: /* Number of physical mouse buttons. */);
6656 w32_num_mouse_buttons
= 2;
6658 DEFVAR_LISP ("w32-swap-mouse-buttons",
6659 Vw32_swap_mouse_buttons
,
6660 doc
: /* Swap the mapping of middle and right mouse buttons.
6661 When nil, middle button is mouse-2 and right button is mouse-3. */);
6662 Vw32_swap_mouse_buttons
= Qnil
;
6664 DEFVAR_LISP ("w32-grab-focus-on-raise",
6665 Vw32_grab_focus_on_raise
,
6666 doc
: /* Raised frame grabs input focus.
6667 When t, `raise-frame' grabs input focus as well. This fits well
6668 with the normal Windows click-to-focus policy, but might not be
6669 desirable when using a point-to-focus policy. */);
6670 Vw32_grab_focus_on_raise
= Qt
;
6672 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6673 Vw32_capslock_is_shiftlock
,
6674 doc
: /* Apply CapsLock state to non character input keys.
6675 When nil, CapsLock only affects normal character input keys. */);
6676 Vw32_capslock_is_shiftlock
= Qnil
;
6678 DEFVAR_LISP ("w32-recognize-altgr",
6679 Vw32_recognize_altgr
,
6680 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6681 When nil, the right-alt and left-ctrl key combination is
6682 interpreted normally. */);
6683 Vw32_recognize_altgr
= Qt
;
6685 DEFVAR_BOOL ("w32-use-visible-system-caret",
6686 w32_use_visible_system_caret
,
6687 doc
: /* Flag to make the system caret visible.
6688 When this is non-nil, Emacs will indicate the position of point by
6689 using the system caret instead of drawing its own cursor. Some screen
6690 reader software does not track the system cursor properly when it is
6691 invisible, and gets confused by Emacs drawing its own cursor, so this
6692 variable is initialized to t when Emacs detects that screen reader
6693 software is running as it starts up.
6695 When this variable is set, other variables affecting the appearance of
6696 the cursor have no effect. */);
6698 w32_use_visible_system_caret
= 0;
6700 /* We don't yet support this, but defining this here avoids whining
6701 from cus-start.el and other places, like "M-x set-variable". */
6702 DEFVAR_BOOL ("x-use-underline-position-properties",
6703 x_use_underline_position_properties
,
6704 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6705 A value of nil means ignore them. If you encounter fonts with bogus
6706 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6707 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6708 to override the font's UNDERLINE_POSITION for small font display
6710 x_use_underline_position_properties
= 0;
6712 DEFVAR_BOOL ("x-underline-at-descent-line",
6713 x_underline_at_descent_line
,
6714 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6715 A value of nil means to draw the underline according to the value of the
6716 variable `x-use-underline-position-properties', which is usually at the
6717 baseline level. The default value is nil. */);
6718 x_underline_at_descent_line
= 0;
6720 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6721 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6722 A value of nil means Emacs doesn't use toolkit scroll bars.
6723 With the X Window system, the value is a symbol describing the
6724 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6725 With MS Windows or Nextstep, the value is t. */);
6726 Vx_toolkit_scroll_bars
= Qt
;
6728 staticpro (&last_mouse_motion_frame
);
6729 last_mouse_motion_frame
= Qnil
;
6731 Fprovide (intern_c_string ("w32"), Qnil
);