1 /* Implementation of GUI terminal on the Microsoft Windows API.
3 Copyright (C) 1989, 1993-2013 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
24 #include "blockinput.h"
36 #include "character.h"
40 #include "dispextern.h"
42 #include "termhooks.h"
49 #include "intervals.h"
59 #include <io.h> /* for get_osfhandle */
69 static int max_fringe_bmp
= 0;
70 static HBITMAP
*fringe_bmp
= 0;
72 /* Temporary variables for w32_read_socket. */
74 static int last_mousemove_x
= 0;
75 static int last_mousemove_y
= 0;
77 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
78 #ifndef GET_WHEEL_DELTA_WPARAM
79 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
82 /* Non-zero means that a HELP_EVENT has been generated since Emacs
85 static int any_help_event_p
;
87 extern unsigned int msh_mousewheel
;
89 extern void free_frame_menubar (struct frame
*);
91 extern int w32_codepage_for_font (char *fontname
);
92 extern Cursor
w32_load_cursor (LPCTSTR name
);
94 #define x_any_window_to_frame x_window_to_frame
95 #define x_top_window_to_frame x_window_to_frame
98 /* This is display since w32 does not support multiple ones. */
99 struct w32_display_info one_w32_display_info
;
100 struct w32_display_info
*x_display_list
;
102 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
103 one for each element of w32_display_list and in the same order.
104 NAME is the name of the frame.
105 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
106 Lisp_Object w32_display_name_list
;
109 #if _WIN32_WINNT < 0x0500 && !defined(_W64)
110 /* Pre Windows 2000, this was not available, but define it here so
111 that Emacs compiled on such a platform will run on newer versions.
112 MinGW64 (_W64) defines these unconditionally, so avoid redefining. */
114 typedef struct tagWCRANGE
120 typedef struct tagGLYPHSET
124 DWORD cGlyphsSupported
;
129 #endif /* compiling for pre-Win2k */
131 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
132 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
135 #define LWA_ALPHA 0x02
137 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
138 later targets by MSVC headers. */
139 #ifndef WS_EX_LAYERED
140 #define WS_EX_LAYERED 0x80000
143 /* SM_CXVIRTUALSCREEN and SM_CYVIRTUALSCREEN are not defined on 95 and
145 #ifndef SM_CXVIRTUALSCREEN
146 #define SM_CXVIRTUALSCREEN 78
148 #ifndef SM_CYVIRTUALSCREEN
149 #define SM_CYVIRTUALSCREEN 79
152 /* The handle of the frame that currently owns the system caret. */
153 HWND w32_system_caret_hwnd
;
154 int w32_system_caret_height
;
155 int w32_system_caret_x
;
156 int w32_system_caret_y
;
157 struct window
*w32_system_caret_window
;
158 int w32_system_caret_hdr_height
;
159 int w32_system_caret_mode_height
;
160 DWORD dwWindowsThreadId
= 0;
161 HANDLE hWindowsThread
= NULL
;
162 DWORD dwMainThreadId
= 0;
163 HANDLE hMainThread
= NULL
;
165 int vertical_scroll_bar_min_handle
;
166 int vertical_scroll_bar_top_border
;
167 int vertical_scroll_bar_bottom_border
;
169 int last_scroll_bar_drag_pos
;
171 /* Keyboard code page - may be changed by language-change events. */
172 int w32_keyboard_codepage
;
174 /* Mouse movement. */
176 /* Where the mouse was last time we reported a mouse event. */
177 static RECT last_mouse_glyph
;
178 static struct frame
*last_mouse_glyph_frame
;
180 /* The scroll bar in which the last motion event occurred.
182 If the last motion event occurred in a scroll bar, we set this
183 so w32_mouse_position can know whether to report a scroll bar motion or
186 If the last motion event didn't occur in a scroll bar, we set this
187 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
188 static Lisp_Object last_mouse_scroll_bar
;
189 static int last_mouse_scroll_bar_pos
;
191 /* This is a hack. We would really prefer that w32_mouse_position would
192 return the time associated with the position it returns, but there
193 doesn't seem to be any way to wrest the time-stamp from the server
194 along with the position query. So, we just keep track of the time
195 of the last movement we received, and return that in hopes that
196 it's somewhat accurate. */
197 static Time last_mouse_movement_time
;
199 /* Incremented by w32_read_socket whenever it really tries to read
201 static int volatile input_signal_count
;
204 int w32_message_fd
= -1;
207 static void w32_handle_tool_bar_click (struct frame
*,
208 struct input_event
*);
209 static void w32_define_cursor (Window
, Cursor
);
211 void x_lower_frame (struct frame
*);
212 void x_scroll_bar_clear (struct frame
*);
213 void x_wm_set_size_hint (struct frame
*, long, bool);
214 void x_raise_frame (struct frame
*);
215 void x_set_window_size (struct frame
*, int, int, int);
216 void x_wm_set_window_state (struct frame
*, int);
217 void x_wm_set_icon_pixmap (struct frame
*, int);
218 static void w32_initialize (void);
219 static void x_update_end (struct frame
*);
220 static void w32_frame_up_to_date (struct frame
*);
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
*,
236 enum glyph_row_area
, HDC
);
237 static BOOL
my_show_window (struct frame
*, HWND
, int);
238 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
240 static void my_set_focus (struct frame
*, HWND
);
242 static void my_set_foreground_window (HWND
);
243 static void my_destroy_window (struct frame
*, HWND
);
244 static void w32fullscreen_hook (struct frame
*);
247 static void x_check_font (struct frame
*, struct font
*);
250 static Lisp_Object Qvendor_specific_keysyms
;
251 static Lisp_Object Qadded
, Qremoved
, Qmodified
;
252 static Lisp_Object Qrenamed_from
, Qrenamed_to
;
255 /***********************************************************************
257 ***********************************************************************/
261 /* This is a function useful for recording debugging information about
262 the sequence of occurrences in this file. */
270 struct record event_record
[100];
272 int event_record_index
;
274 record_event (char *locus
, int type
)
276 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
277 event_record_index
= 0;
279 event_record
[event_record_index
].locus
= locus
;
280 event_record
[event_record_index
].type
= type
;
281 event_record_index
++;
288 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
291 if (mask
& GCForeground
)
292 gc
->foreground
= xgcv
->foreground
;
293 if (mask
& GCBackground
)
294 gc
->background
= xgcv
->background
;
296 gc
->font
= xgcv
->font
;
300 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
302 XGCValues
*gc
= xzalloc (sizeof (XGCValues
));
304 XChangeGC (ignore
, gc
, mask
, xgcv
);
310 XGetGCValues (void *ignore
, XGCValues
*gc
,
311 unsigned long mask
, XGCValues
*xgcv
)
313 XChangeGC (ignore
, xgcv
, mask
, gc
);
317 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
321 HRGN clip_region
= CreateRectRgnIndirect (rect
);
322 SelectClipRgn (hdc
, clip_region
);
323 DeleteObject (clip_region
);
326 SelectClipRgn (hdc
, NULL
);
329 /* Restore clipping rectangle in S */
331 w32_restore_glyph_string_clip (struct glyph_string
*s
)
334 int n
= s
->num_clips
;
337 w32_set_clip_rectangle (s
->hdc
, r
);
340 HRGN clip1
= CreateRectRgnIndirect (r
);
341 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
342 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
343 SelectClipRgn (s
->hdc
, clip1
);
344 DeleteObject (clip1
);
345 DeleteObject (clip2
);
350 Draw a wavy line under S. The wave fills wave_height pixels from y0.
356 wave_height = 3 | * * * *
361 w32_draw_underwave (struct glyph_string
*s
, COLORREF color
)
363 int wave_height
= 3, wave_length
= 2;
364 int dx
, dy
, x0
, y0
, width
, x1
, y1
, x2
, y2
, odd
, xmax
;
365 XRectangle wave_clip
, string_clip
, final_clip
;
366 RECT w32_final_clip
, w32_string_clip
;
370 dy
= wave_height
- 1;
372 y0
= s
->ybase
- wave_height
+ 3;
376 /* Find and set clipping rectangle */
380 wave_clip
.width
= width
;
381 wave_clip
.height
= wave_height
;
383 get_glyph_string_clip_rect (s
, &w32_string_clip
);
384 CONVERT_TO_XRECT (string_clip
, w32_string_clip
);
386 if (!x_intersect_rectangles (&wave_clip
, &string_clip
, &final_clip
))
389 hp
= CreatePen (PS_SOLID
, 0, color
);
390 oldhp
= SelectObject (s
->hdc
, hp
);
391 CONVERT_FROM_XRECT (final_clip
, w32_final_clip
);
392 w32_set_clip_rectangle (s
->hdc
, &w32_final_clip
);
406 MoveToEx (s
->hdc
, x1
, y1
, NULL
);
410 LineTo (s
->hdc
, x2
, y2
);
412 x2
+= dx
, y2
= y0
+ odd
*dy
;
416 /* Restore previous pen and clipping rectangle(s) */
417 w32_restore_glyph_string_clip (s
);
418 SelectObject (s
->hdc
, oldhp
);
422 /* Draw a hollow rectangle at the specified position. */
424 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
425 int width
, int height
)
430 hb
= CreateSolidBrush (gc
->background
);
431 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
432 oldhb
= SelectObject (hdc
, hb
);
433 oldhp
= SelectObject (hdc
, hp
);
435 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
437 SelectObject (hdc
, oldhb
);
438 SelectObject (hdc
, oldhp
);
443 /* Draw a filled rectangle at the specified position. */
445 w32_fill_rect (struct frame
*f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
449 hb
= CreateSolidBrush (pix
);
450 FillRect (hdc
, lprect
, hb
);
455 w32_clear_window (struct frame
*f
)
458 HDC hdc
= get_frame_dc (f
);
460 /* Under certain conditions, this can be called at startup with
461 a console frame pointer before the GUI frame is created. An HDC
462 of 0 indicates this. */
465 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
466 w32_clear_rect (f
, hdc
, &rect
);
469 release_frame_dc (f
, hdc
);
472 #define OPAQUE_FRAME 255
475 x_set_frame_alpha (struct frame
*f
)
477 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
479 double alpha_min
= 1.0;
482 HWND window
= FRAME_W32_WINDOW (f
);
484 /* Older versions of Windows do not support transparency. */
485 if (!pfnSetLayeredWindowAttributes
)
488 if (dpyinfo
->x_highlight_frame
== f
)
493 if (FLOATP (Vframe_alpha_lower_limit
))
494 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
495 else if (INTEGERP (Vframe_alpha_lower_limit
))
496 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
500 else if (alpha
> 1.0)
502 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
505 opac
= alpha
* OPAQUE_FRAME
;
507 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
509 if (opac
== OPAQUE_FRAME
)
510 ex_style
&= ~WS_EX_LAYERED
;
512 ex_style
|= WS_EX_LAYERED
;
514 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
516 if (opac
!= OPAQUE_FRAME
)
517 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
521 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
523 int pixels
= GetSystemMetrics (SM_CYVIRTUALSCREEN
);
526 /* Fallback for Windows 95 or NT 4.0. */
527 pixels
= GetSystemMetrics (SM_CYSCREEN
);
533 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
535 int pixels
= GetSystemMetrics (SM_CXVIRTUALSCREEN
);
538 /* Fallback for Windows 95 or NT 4.0. */
539 pixels
= GetSystemMetrics (SM_CXSCREEN
);
545 /***********************************************************************
546 Starting and ending an update
547 ***********************************************************************/
549 /* Start an update of frame F. This function is installed as a hook
550 for update_begin, i.e. it is called when update_begin is called.
551 This function is called prior to calls to x_update_window_begin for
552 each window being updated. */
555 x_update_begin (struct frame
*f
)
557 struct w32_display_info
*display_info
= FRAME_DISPLAY_INFO (f
);
559 if (! FRAME_W32_P (f
))
562 /* Regenerate display palette before drawing if list of requested
563 colors has changed. */
564 if (display_info
->regen_palette
)
566 w32_regenerate_palette (f
);
567 display_info
->regen_palette
= FALSE
;
572 /* Start update of window W. */
575 x_update_window_begin (struct window
*w
)
577 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
578 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
580 /* Hide the system caret during an update. */
581 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
583 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
586 w
->output_cursor
= w
->cursor
;
590 if (f
== hlinfo
->mouse_face_mouse_frame
)
592 /* Don't do highlighting for mouse motion during the update. */
593 hlinfo
->mouse_face_defer
= 1;
595 /* If F needs to be redrawn, simply forget about any prior mouse
597 if (FRAME_GARBAGED_P (f
))
598 hlinfo
->mouse_face_window
= Qnil
;
600 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
601 their mouse_face_p flag set, which means that they are always
602 unequal to rows in a desired matrix which never have that
603 flag set. So, rows containing mouse-face glyphs are never
604 scrolled, and we don't have to switch the mouse highlight off
605 here to prevent it from being scrolled. */
607 /* Can we tell that this update does not affect the window
608 where the mouse highlight is? If so, no need to turn off.
609 Likewise, don't do anything if the frame is garbaged;
610 in that case, the frame's current matrix that we would use
611 is all wrong, and we will redisplay that line anyway. */
612 if (!NILP (hlinfo
->mouse_face_window
)
613 && w
== XWINDOW (hlinfo
->mouse_face_window
))
617 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
618 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
621 if (i
< w
->desired_matrix
->nrows
)
622 clear_mouse_face (hlinfo
);
630 /* Draw a vertical window border from (x,y0) to (x,y1) */
633 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
635 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
645 hdc
= get_frame_dc (f
);
646 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
648 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
650 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
652 release_frame_dc (f
, hdc
);
656 /* End update of window W.
658 Draw vertical borders between horizontally adjacent windows, and
659 display W's cursor if CURSOR_ON_P is non-zero.
661 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
662 glyphs in mouse-face were overwritten. In that case we have to
663 make sure that the mouse-highlight is properly redrawn.
665 W may be a menu bar pseudo-window in case we don't have X toolkit
666 support. Such windows don't have a cursor, so don't display it
670 x_update_window_end (struct window
*w
, bool cursor_on_p
,
671 bool mouse_face_overwritten_p
)
673 if (!w
->pseudo_window_p
)
678 display_and_set_cursor (w
, 1,
679 w
->output_cursor
.hpos
, w
->output_cursor
.vpos
,
680 w
->output_cursor
.x
, w
->output_cursor
.y
);
682 if (draw_window_fringes (w
, 1))
683 x_draw_vertical_border (w
);
688 /* If a row with mouse-face was overwritten, arrange for
689 XTframe_up_to_date to redisplay the mouse highlight. */
690 if (mouse_face_overwritten_p
)
691 reset_mouse_highlight (MOUSE_HL_INFO (XFRAME (w
->frame
)));
693 /* Unhide the caret. This won't actually show the cursor, unless it
694 was visible before the corresponding call to HideCaret in
695 x_update_window_begin. */
696 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
698 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
703 /* End update of frame F. This function is installed as a hook in
707 x_update_end (struct frame
*f
)
709 if (! FRAME_W32_P (f
))
712 /* Mouse highlight may be displayed again. */
713 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
717 /* This function is called from various places in xdisp.c
718 whenever a complete update has been performed. */
721 w32_frame_up_to_date (struct frame
*f
)
724 FRAME_MOUSE_UPDATE (f
);
728 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
729 arrow bitmaps, or clear the fringes if no bitmaps are required
730 before DESIRED_ROW is made current. This function is called from
731 update_window_line only if it is known that there are differences
732 between bitmaps to be drawn between current row and DESIRED_ROW. */
735 x_after_update_window_line (struct window
*w
, struct glyph_row
*desired_row
)
742 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
743 desired_row
->redraw_fringe_bitmaps_p
= 1;
745 /* When a window has disappeared, make sure that no rest of
746 full-width rows stays visible in the internal border. Could
747 check here if updated window is the leftmost/rightmost window,
748 but I guess it's not worth doing since vertically split windows
749 are almost never used, internal border is rarely set, and the
750 overhead is very small. */
751 if (windows_or_buffers_changed
752 && desired_row
->full_width_p
753 && (f
= XFRAME (w
->frame
),
754 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
756 && (height
= desired_row
->visible_height
,
759 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
763 HDC hdc
= get_frame_dc (f
);
764 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
765 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
767 release_frame_dc (f
, hdc
);
774 /* Draw the bitmap WHICH in one of the left or right fringes of
775 window W. ROW is the glyph row for which to display the bitmap; it
776 determines the vertical position at which the bitmap has to be
780 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
781 struct draw_fringe_bitmap_params
*p
)
783 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
785 struct face
*face
= p
->face
;
787 hdc
= get_frame_dc (f
);
791 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
793 /* If the fringe is adjacent to the left (right) scroll bar of a
794 leftmost (rightmost, respectively) window, then extend its
795 background to the gap between the fringe and the bar. */
796 if ((WINDOW_LEFTMOST_P (w
)
797 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
798 || (WINDOW_RIGHTMOST_P (w
)
799 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
801 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
805 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
806 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
807 * FRAME_COLUMN_WIDTH (f
));
811 /* Bitmap fills the fringe. */
812 if (bar_area_x
+ bar_area_width
== p
->x
)
813 bx
= bar_area_x
+ sb_width
;
814 else if (p
->x
+ p
->wd
== bar_area_x
)
818 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
820 nx
= bar_area_width
- sb_width
;
821 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
823 ny
= row
->visible_height
;
828 if (bar_area_x
+ bar_area_width
== bx
)
830 bx
= bar_area_x
+ sb_width
;
831 nx
+= bar_area_width
- sb_width
;
833 else if (bx
+ nx
== bar_area_x
)
834 nx
+= bar_area_width
- sb_width
;
839 if (bx
>= 0 && nx
> 0)
840 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
843 /* Must clip because of partially visible lines. */
844 w32_clip_to_row (w
, row
, ANY_AREA
, hdc
);
846 if (p
->which
&& p
->which
< max_fringe_bmp
)
848 HBITMAP pixmap
= fringe_bmp
[p
->which
];
852 compat_hdc
= CreateCompatibleDC (hdc
);
856 horig_obj
= SelectObject (compat_hdc
, pixmap
);
858 /* Paint overlays transparently. */
861 HBRUSH h_brush
, h_orig_brush
;
863 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
864 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
865 h_brush
= CreateSolidBrush (face
->foreground
);
866 h_orig_brush
= SelectObject (hdc
, h_brush
);
868 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
869 compat_hdc
, 0, p
->dh
,
871 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
872 compat_hdc
, 0, p
->dh
,
874 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
875 compat_hdc
, 0, p
->dh
,
878 SelectObject (hdc
, h_orig_brush
);
879 DeleteObject (h_brush
);
883 SetTextColor (hdc
, face
->background
);
884 SetBkColor (hdc
, (p
->cursor_p
885 ? f
->output_data
.w32
->cursor_pixel
886 : face
->foreground
));
888 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
889 compat_hdc
, 0, p
->dh
,
893 SelectObject (compat_hdc
, horig_obj
);
894 DeleteDC (compat_hdc
);
898 w32_set_clip_rectangle (hdc
, NULL
);
900 release_frame_dc (f
, hdc
);
904 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
906 if (which
>= max_fringe_bmp
)
908 int i
= max_fringe_bmp
;
909 max_fringe_bmp
= which
+ 20;
910 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
911 while (i
< max_fringe_bmp
)
915 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
919 w32_destroy_fringe_bitmap (int which
)
921 if (which
>= max_fringe_bmp
)
924 if (fringe_bmp
[which
])
925 DeleteObject (fringe_bmp
[which
]);
926 fringe_bmp
[which
] = 0;
929 /***********************************************************************
931 ***********************************************************************/
933 /* Function prototypes of this page. */
935 static void x_set_glyph_string_clipping (struct glyph_string
*);
936 static void x_set_glyph_string_gc (struct glyph_string
*);
937 static void x_draw_glyph_string_background (struct glyph_string
*,
939 static void x_draw_glyph_string_foreground (struct glyph_string
*);
940 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
941 static void x_draw_glyph_string_box (struct glyph_string
*);
942 static void x_draw_glyph_string (struct glyph_string
*);
943 static void x_set_cursor_gc (struct glyph_string
*);
944 static void x_set_mode_line_face_gc (struct glyph_string
*);
945 static void x_set_mouse_face_gc (struct glyph_string
*);
946 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
947 static void w32_setup_relief_color (struct frame
*, struct relief
*,
948 double, int, COLORREF
);
949 static void x_setup_relief_colors (struct glyph_string
*);
950 static void x_draw_image_glyph_string (struct glyph_string
*);
951 static void x_draw_image_relief (struct glyph_string
*);
952 static void x_draw_image_foreground (struct glyph_string
*);
953 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
954 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
956 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
957 int, int, int, int, int, int,
959 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
960 int, int, int, RECT
*);
963 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
967 x_set_cursor_gc (struct glyph_string
*s
)
969 if (s
->font
== FRAME_FONT (s
->f
)
970 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
971 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
973 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
976 /* Cursor on non-default face: must merge. */
980 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
981 xgcv
.foreground
= s
->face
->background
;
983 /* If the glyph would be invisible, try a different foreground. */
984 if (xgcv
.foreground
== xgcv
.background
)
985 xgcv
.foreground
= s
->face
->foreground
;
986 if (xgcv
.foreground
== xgcv
.background
)
987 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
988 if (xgcv
.foreground
== xgcv
.background
)
989 xgcv
.foreground
= s
->face
->foreground
;
991 /* Make sure the cursor is distinct from text in this face. */
992 if (xgcv
.background
== s
->face
->background
993 && xgcv
.foreground
== s
->face
->foreground
)
995 xgcv
.background
= s
->face
->foreground
;
996 xgcv
.foreground
= s
->face
->background
;
999 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1000 xgcv
.font
= s
->font
;
1001 mask
= GCForeground
| GCBackground
| GCFont
;
1003 if (FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1004 XChangeGC (NULL
, FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1007 FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1008 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1010 s
->gc
= FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1015 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1018 x_set_mouse_face_gc (struct glyph_string
*s
)
1023 /* What face has to be used last for the mouse face? */
1024 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
1025 face
= FACE_FROM_ID (s
->f
, face_id
);
1027 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1029 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1030 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
1032 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
1033 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1034 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1036 /* If font in this face is same as S->font, use it. */
1037 if (s
->font
== s
->face
->font
)
1038 s
->gc
= s
->face
->gc
;
1041 /* Otherwise construct scratch_cursor_gc with values from FACE
1046 xgcv
.background
= s
->face
->background
;
1047 xgcv
.foreground
= s
->face
->foreground
;
1048 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1049 xgcv
.font
= s
->font
;
1050 mask
= GCForeground
| GCBackground
| GCFont
;
1052 if (FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1053 XChangeGC (NULL
, FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1056 FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1057 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1059 s
->gc
= FRAME_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1062 eassert (s
->gc
!= 0);
1066 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1067 Faces to use in the mode line have already been computed when the
1068 matrix was built, so there isn't much to do, here. */
1071 x_set_mode_line_face_gc (struct glyph_string
*s
)
1073 s
->gc
= s
->face
->gc
;
1077 /* Set S->gc of glyph string S for drawing that glyph string. Set
1078 S->stippled_p to a non-zero value if the face of S has a stipple
1082 x_set_glyph_string_gc (struct glyph_string
*s
)
1084 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1086 if (s
->hl
== DRAW_NORMAL_TEXT
)
1088 s
->gc
= s
->face
->gc
;
1089 s
->stippled_p
= s
->face
->stipple
!= 0;
1091 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1093 x_set_mode_line_face_gc (s
);
1094 s
->stippled_p
= s
->face
->stipple
!= 0;
1096 else if (s
->hl
== DRAW_CURSOR
)
1098 x_set_cursor_gc (s
);
1101 else if (s
->hl
== DRAW_MOUSE_FACE
)
1103 x_set_mouse_face_gc (s
);
1104 s
->stippled_p
= s
->face
->stipple
!= 0;
1106 else if (s
->hl
== DRAW_IMAGE_RAISED
1107 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1109 s
->gc
= s
->face
->gc
;
1110 s
->stippled_p
= s
->face
->stipple
!= 0;
1114 s
->gc
= s
->face
->gc
;
1115 s
->stippled_p
= s
->face
->stipple
!= 0;
1118 /* GC must have been set. */
1119 eassert (s
->gc
!= 0);
1123 /* Set clipping for output of glyph string S. S may be part of a mode
1124 line or menu if we don't have X toolkit support. */
1127 x_set_glyph_string_clipping (struct glyph_string
*s
)
1130 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1133 w32_set_clip_rectangle (s
->hdc
, r
);
1136 HRGN clip1
= CreateRectRgnIndirect (r
);
1137 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1138 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1139 SelectClipRgn (s
->hdc
, clip1
);
1140 DeleteObject (clip1
);
1141 DeleteObject (clip2
);
1146 /* Set SRC's clipping for output of glyph string DST. This is called
1147 when we are drawing DST's left_overhang or right_overhang only in
1151 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1152 struct glyph_string
*dst
)
1157 r
.right
= r
.left
+ src
->width
;
1159 r
.bottom
= r
.top
+ src
->height
;
1162 w32_set_clip_rectangle (dst
->hdc
, &r
);
1166 Compute left and right overhang of glyph string S. */
1169 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1172 && s
->first_glyph
->type
== CHAR_GLYPH
1173 && !s
->font_not_found_p
)
1175 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1176 struct font
*font
= s
->font
;
1177 struct font_metrics metrics
;
1180 for (i
= 0; i
< s
->nchars
; i
++)
1181 code
[i
] = s
->char2b
[i
];
1182 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1183 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1184 ? metrics
.rbearing
- metrics
.width
: 0);
1185 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1189 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1190 s
->left_overhang
= -s
->cmp
->lbearing
;
1194 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1197 x_clear_glyph_string_rect (struct glyph_string
*s
,
1198 int x
, int y
, int w
, int h
)
1205 /* Take clipping into account. */
1206 if (s
->gc
->clip_mask
== Rect
)
1208 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1209 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1210 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1211 - s
->gc
->clip_rectangle
.left
);
1212 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1213 - s
->gc
->clip_rectangle
.top
);
1216 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1221 /* Draw the background of glyph_string S. If S->background_filled_p
1222 is non-zero don't draw it. FORCE_P non-zero means draw the
1223 background even if it wouldn't be drawn normally. This is used
1224 when a string preceding S draws into the background of S, or S
1225 contains the first component of a composition. */
1228 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1230 /* Nothing to do if background has already been drawn or if it
1231 shouldn't be drawn in the first place. */
1232 if (!s
->background_filled_p
)
1234 int box_line_width
= max (s
->face
->box_line_width
, 0);
1236 #if 0 /* TODO: stipple */
1239 /* Fill background with a stipple pattern. */
1240 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1241 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1242 s
->y
+ box_line_width
,
1243 s
->background_width
,
1244 s
->height
- 2 * box_line_width
);
1245 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1246 s
->background_filled_p
= 1;
1250 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1251 || s
->font_not_found_p
1252 || s
->extends_to_end_of_line_p
1255 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1256 s
->background_width
,
1257 s
->height
- 2 * box_line_width
);
1258 s
->background_filled_p
= 1;
1264 /* Draw the foreground of glyph string S. */
1267 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1271 /* If first glyph of S has a left box line, start drawing the text
1272 of S to the right of that box line. */
1273 if (s
->face
->box
!= FACE_NO_BOX
1274 && s
->first_glyph
->left_box_line_p
)
1275 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1279 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1280 SetBkColor (s
->hdc
, s
->gc
->background
);
1281 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1283 /* Draw characters of S as rectangles if S's font could not be
1285 if (s
->font_not_found_p
)
1287 for (i
= 0; i
< s
->nchars
; ++i
)
1289 struct glyph
*g
= s
->first_glyph
+ i
;
1291 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1293 x
+= g
->pixel_width
;
1298 struct font
*font
= s
->font
;
1299 int boff
= font
->baseline_offset
;
1303 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1305 if (font
->vertical_centering
)
1306 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1308 y
= s
->ybase
- boff
;
1310 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1311 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1313 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1314 if (s
->face
->overstrike
)
1315 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1317 SelectObject (s
->hdc
, old_font
);
1321 /* Draw the foreground of composite glyph string S. */
1324 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1327 struct font
*font
= s
->font
;
1329 /* If first glyph of S has a left box line, start drawing the text
1330 of S to the right of that box line. */
1331 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1332 && s
->first_glyph
->left_box_line_p
)
1333 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1337 /* S is a glyph string for a composition. S->cmp_from is the index
1338 of the first character drawn for glyphs of this composition.
1339 S->cmp_from == 0 means we are drawing the very first character of
1340 this composition. */
1342 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1343 SetBkColor (s
->hdc
, s
->gc
->background
);
1344 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1346 /* Draw a rectangle for the composition if the font for the very
1347 first character of the composition could not be loaded. */
1348 if (s
->font_not_found_p
)
1350 if (s
->cmp_from
== 0)
1351 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1354 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1359 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1361 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1362 /* TAB in a composition means display glyphs with padding
1363 space on the left or right. */
1364 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1366 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1367 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1369 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1370 if (s
->face
->overstrike
)
1371 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1373 SelectObject (s
->hdc
, old_font
);
1377 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1383 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1385 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1387 glyph
= LGSTRING_GLYPH (gstring
, i
);
1388 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1389 width
+= LGLYPH_WIDTH (glyph
);
1392 int xoff
, yoff
, wadjust
;
1396 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1399 xoff
= LGLYPH_XOFF (glyph
);
1400 yoff
= LGLYPH_YOFF (glyph
);
1401 wadjust
= LGLYPH_WADJUST (glyph
);
1402 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1409 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1411 SelectObject (s
->hdc
, old_font
);
1416 /* Draw the foreground of glyph string S for glyphless characters. */
1419 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1421 struct glyph
*glyph
= s
->first_glyph
;
1424 int with_background
;
1426 /* If first glyph of S has a left box line, start drawing the text
1427 of S to the right of that box line. */
1428 if (s
->face
->box
!= FACE_NO_BOX
1429 && s
->first_glyph
->left_box_line_p
)
1430 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1434 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1435 SetBkColor (s
->hdc
, s
->gc
->background
);
1436 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1439 with_background
= ! (s
->for_overlaps
1440 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1441 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1443 char buf
[7], *str
= NULL
;
1444 int len
= glyph
->u
.glyphless
.len
;
1446 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1449 && CHAR_TABLE_P (Vglyphless_char_display
)
1450 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1454 = (! glyph
->u
.glyphless
.for_no_font
1455 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1456 glyph
->u
.glyphless
.ch
)
1457 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1458 if (STRINGP (acronym
))
1459 str
= SSDATA (acronym
);
1462 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1464 sprintf ((char *) buf
, "%0*X",
1465 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1466 glyph
->u
.glyphless
.ch
);
1470 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1471 w32_draw_rectangle (s
->hdc
, s
->gc
,
1472 x
, s
->ybase
- glyph
->ascent
,
1473 glyph
->pixel_width
- 1,
1474 glyph
->ascent
+ glyph
->descent
- 1);
1477 struct font
*font
= s
->font
;
1478 int upper_len
= (len
+ 1) / 2;
1482 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1483 /* It is certain that all LEN characters in STR are ASCII. */
1484 for (j
= 0; j
< len
; j
++)
1486 code
= font
->driver
->encode_char (font
, str
[j
]);
1487 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1489 font
->driver
->draw (s
, 0, upper_len
,
1490 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1491 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1493 font
->driver
->draw (s
, upper_len
, len
,
1494 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1495 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1497 SelectObject (s
->hdc
, old_font
);
1499 x
+= glyph
->pixel_width
;
1504 /* Brightness beyond which a color won't have its highlight brightness
1507 Nominally, highlight colors for `3d' faces are calculated by
1508 brightening an object's color by a constant scale factor, but this
1509 doesn't yield good results for dark colors, so for colors whose
1510 brightness is less than this value (on a scale of 0-255) have to
1511 use an additional additive factor.
1513 The value here is set so that the default menu-bar/mode-line color
1514 (grey75) will not have its highlights changed at all. */
1515 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1518 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1519 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1520 If this produces the same color as COLOR, try a color where all RGB
1521 values have DELTA added. Return the allocated color in *COLOR.
1522 DISPLAY is the X display, CMAP is the colormap to operate on.
1523 Value is non-zero if successful. */
1526 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1527 double factor
, int delta
)
1532 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1535 /* Change RGB values by specified FACTOR. Avoid overflow! */
1536 eassert (factor
>= 0);
1537 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1538 min (0xff, factor
* GetGValue (*color
)),
1539 min (0xff, factor
* GetBValue (*color
)));
1541 /* Calculate brightness of COLOR. */
1542 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1543 + GetBValue (*color
)) / 6;
1545 /* We only boost colors that are darker than
1546 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1547 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1548 /* Make an additive adjustment to NEW, because it's dark enough so
1549 that scaling by FACTOR alone isn't enough. */
1551 /* How far below the limit this color is (0 - 1, 1 being darker). */
1552 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1553 /* The additive adjustment. */
1554 int min_delta
= delta
* dimness
* factor
/ 2;
1557 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1558 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1559 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1561 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1562 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1563 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1567 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1568 max (0, min (0xff, delta
+ GetGValue (*color
))),
1569 max (0, min (0xff, delta
+ GetBValue (*color
))));
1571 /* TODO: Map to palette and retry with delta if same? */
1572 /* TODO: Free colors (if using palette)? */
1582 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1583 colors in COLORS. On W32, we no longer try to map colors to
1586 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1590 for (i
= 0; i
< ncolors
; i
++)
1592 DWORD pixel
= colors
[i
].pixel
;
1593 /* Convert to a 16 bit value in range 0 - 0xffff. */
1594 colors
[i
].red
= GetRValue (pixel
) * 257;
1595 colors
[i
].green
= GetGValue (pixel
) * 257;
1596 colors
[i
].blue
= GetBValue (pixel
) * 257;
1601 x_query_color (struct frame
*f
, XColor
*color
)
1603 x_query_colors (f
, color
, 1);
1607 /* Set up the foreground color for drawing relief lines of glyph
1608 string S. RELIEF is a pointer to a struct relief containing the GC
1609 with which lines will be drawn. Use a color that is FACTOR or
1610 DELTA lighter or darker than the relief's background which is found
1611 in S->f->output_data.x->relief_background. If such a color cannot
1612 be allocated, use DEFAULT_PIXEL, instead. */
1615 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1616 int delta
, COLORREF default_pixel
)
1619 struct w32_output
*di
= f
->output_data
.w32
;
1620 unsigned long mask
= GCForeground
;
1622 COLORREF background
= di
->relief_background
;
1623 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
1625 /* TODO: Free colors (if using palette)? */
1627 /* Allocate new color. */
1628 xgcv
.foreground
= default_pixel
;
1630 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1632 relief
->allocated_p
= 1;
1633 xgcv
.foreground
= relief
->pixel
= pixel
;
1636 if (relief
->gc
== 0)
1638 #if 0 /* TODO: stipple */
1639 xgcv
.stipple
= dpyinfo
->gray
;
1642 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1645 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1649 /* Set up colors for the relief lines around glyph string S. */
1652 x_setup_relief_colors (struct glyph_string
*s
)
1654 struct w32_output
*di
= s
->f
->output_data
.w32
;
1657 if (s
->face
->use_box_color_for_shadows_p
)
1658 color
= s
->face
->box_color
;
1659 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1661 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1662 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1664 color
= s
->gc
->background
;
1666 if (di
->white_relief
.gc
== 0
1667 || color
!= di
->relief_background
)
1669 di
->relief_background
= color
;
1670 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1671 WHITE_PIX_DEFAULT (s
->f
));
1672 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1673 BLACK_PIX_DEFAULT (s
->f
));
1678 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1679 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1680 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1681 relief. LEFT_P non-zero means draw a relief on the left side of
1682 the rectangle. RIGHT_P non-zero means draw a relief on the right
1683 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1687 w32_draw_relief_rect (struct frame
*f
,
1688 int left_x
, int top_y
, int right_x
, int bottom_y
,
1689 int width
, int raised_p
,
1690 int top_p
, int bot_p
, int left_p
, int right_p
,
1695 HDC hdc
= get_frame_dc (f
);
1698 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1700 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1702 w32_set_clip_rectangle (hdc
, clip_rect
);
1706 for (i
= 0; i
< width
; ++i
)
1707 w32_fill_area (f
, hdc
, gc
.foreground
,
1708 left_x
+ i
* left_p
, top_y
+ i
,
1709 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1713 for (i
= 0; i
< width
; ++i
)
1714 w32_fill_area (f
, hdc
, gc
.foreground
,
1715 left_x
+ i
, top_y
+ (i
+ 1) * top_p
, 1,
1716 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1719 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1721 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1725 for (i
= 0; i
< width
; ++i
)
1726 w32_fill_area (f
, hdc
, gc
.foreground
,
1727 left_x
+ i
* left_p
, bottom_y
- i
,
1728 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1732 for (i
= 0; i
< width
; ++i
)
1733 w32_fill_area (f
, hdc
, gc
.foreground
,
1734 right_x
- i
, top_y
+ (i
+ 1) * top_p
, 1,
1735 bottom_y
- top_y
- (i
+ 1) * (bot_p
+ top_p
) + 1);
1737 w32_set_clip_rectangle (hdc
, NULL
);
1739 release_frame_dc (f
, hdc
);
1743 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1744 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1745 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1746 left side of the rectangle. RIGHT_P non-zero means draw a line
1747 on the right side of the rectangle. CLIP_RECT is the clipping
1748 rectangle to use when drawing. */
1751 w32_draw_box_rect (struct glyph_string
*s
,
1752 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1753 int left_p
, int right_p
, RECT
*clip_rect
)
1755 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1758 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1759 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1764 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1765 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1769 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1770 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1775 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1776 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1779 w32_set_clip_rectangle (s
->hdc
, NULL
);
1783 /* Draw a box around glyph string S. */
1786 x_draw_glyph_string_box (struct glyph_string
*s
)
1788 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1789 int left_p
, right_p
;
1790 struct glyph
*last_glyph
;
1793 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1794 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1795 : window_box_right (s
->w
, s
->area
));
1797 /* The glyph that may have a right box line. */
1798 last_glyph
= (s
->cmp
|| s
->img
1800 : s
->first_glyph
+ s
->nchars
- 1);
1802 width
= eabs (s
->face
->box_line_width
);
1803 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1805 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1807 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1809 bottom_y
= top_y
+ s
->height
- 1;
1811 left_p
= (s
->first_glyph
->left_box_line_p
1812 || (s
->hl
== DRAW_MOUSE_FACE
1814 || s
->prev
->hl
!= s
->hl
)));
1815 right_p
= (last_glyph
->right_box_line_p
1816 || (s
->hl
== DRAW_MOUSE_FACE
1818 || s
->next
->hl
!= s
->hl
)));
1820 get_glyph_string_clip_rect (s
, &clip_rect
);
1822 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1823 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1824 left_p
, right_p
, &clip_rect
);
1827 x_setup_relief_colors (s
);
1828 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1829 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1834 /* Draw foreground of image glyph string S. */
1837 x_draw_image_foreground (struct glyph_string
*s
)
1840 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1842 /* If first glyph of S has a left box line, start drawing it to the
1843 right of that line. */
1844 if (s
->face
->box
!= FACE_NO_BOX
1845 && s
->first_glyph
->left_box_line_p
1847 x
+= eabs (s
->face
->box_line_width
);
1849 /* If there is a margin around the image, adjust x- and y-position
1851 if (s
->slice
.x
== 0)
1852 x
+= s
->img
->hmargin
;
1853 if (s
->slice
.y
== 0)
1854 y
+= s
->img
->vmargin
;
1860 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1861 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1862 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1863 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1864 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1865 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1866 x_set_glyph_string_clipping (s
);
1870 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1871 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1873 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1874 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1876 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1877 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1878 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1879 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1880 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1881 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1883 SelectObject (mask_dc
, mask_orig_obj
);
1888 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1889 SetBkColor (s
->hdc
, s
->gc
->background
);
1891 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1892 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1894 /* When the image has a mask, we can expect that at
1895 least part of a mouse highlight or a block cursor will
1896 be visible. If the image doesn't have a mask, make
1897 a block cursor visible by drawing a rectangle around
1898 the image. I believe it's looking better if we do
1899 nothing here for mouse-face. */
1900 if (s
->hl
== DRAW_CURSOR
)
1902 int r
= s
->img
->relief
;
1904 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1905 s
->slice
.width
+ r
*2 - 1,
1906 s
->slice
.height
+ r
*2 - 1);
1910 w32_set_clip_rectangle (s
->hdc
, NULL
);
1911 SelectObject (s
->hdc
, orig_brush
);
1912 DeleteObject (fg_brush
);
1913 SelectObject (compat_hdc
, orig_obj
);
1914 DeleteDC (compat_hdc
);
1917 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1918 s
->slice
.width
- 1, s
->slice
.height
- 1);
1920 RestoreDC (s
->hdc
,-1);
1924 /* Draw a relief around the image glyph string S. */
1927 x_draw_image_relief (struct glyph_string
*s
)
1929 int x1
, y1
, thick
, raised_p
, top_p
, bot_p
, left_p
, right_p
;
1932 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1934 /* If first glyph of S has a left box line, start drawing it to the
1935 right of that line. */
1936 if (s
->face
->box
!= FACE_NO_BOX
1937 && s
->first_glyph
->left_box_line_p
1939 x
+= eabs (s
->face
->box_line_width
);
1941 /* If there is a margin around the image, adjust x- and y-position
1943 if (s
->slice
.x
== 0)
1944 x
+= s
->img
->hmargin
;
1945 if (s
->slice
.y
== 0)
1946 y
+= s
->img
->vmargin
;
1948 if (s
->hl
== DRAW_IMAGE_SUNKEN
1949 || s
->hl
== DRAW_IMAGE_RAISED
)
1951 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1952 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1953 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1957 thick
= eabs (s
->img
->relief
);
1958 raised_p
= s
->img
->relief
> 0;
1961 x1
= x
+ s
->slice
.width
- 1;
1962 y1
= y
+ s
->slice
.height
- 1;
1963 top_p
= bot_p
= left_p
= right_p
= 0;
1965 if (s
->slice
.x
== 0)
1966 x
-= thick
, left_p
= 1;
1967 if (s
->slice
.y
== 0)
1968 y
-= thick
, top_p
= 1;
1969 if (s
->slice
.x
+ s
->slice
.width
== s
->img
->width
)
1970 x1
+= thick
, right_p
= 1;
1971 if (s
->slice
.y
+ s
->slice
.height
== s
->img
->height
)
1972 y1
+= thick
, bot_p
= 1;
1974 x_setup_relief_colors (s
);
1975 get_glyph_string_clip_rect (s
, &r
);
1976 w32_draw_relief_rect (s
->f
, x
, y
, x1
, y1
, thick
, raised_p
,
1977 top_p
, bot_p
, left_p
, right_p
, &r
);
1981 /* Draw the foreground of image glyph string S to PIXMAP. */
1984 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
1986 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1987 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1989 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1991 /* If first glyph of S has a left box line, start drawing it to the
1992 right of that line. */
1993 if (s
->face
->box
!= FACE_NO_BOX
1994 && s
->first_glyph
->left_box_line_p
1996 x
+= eabs (s
->face
->box_line_width
);
1998 /* If there is a margin around the image, adjust x- and y-position
2000 if (s
->slice
.x
== 0)
2001 x
+= s
->img
->hmargin
;
2002 if (s
->slice
.y
== 0)
2003 y
+= s
->img
->vmargin
;
2007 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2008 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2009 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2010 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2014 HDC mask_dc
= CreateCompatibleDC (hdc
);
2015 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2017 SetTextColor (hdc
, RGB (0, 0, 0));
2018 SetBkColor (hdc
, RGB (255, 255, 255));
2019 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2020 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2021 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2022 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2023 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2024 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2026 SelectObject (mask_dc
, mask_orig_obj
);
2031 SetTextColor (hdc
, s
->gc
->foreground
);
2032 SetBkColor (hdc
, s
->gc
->background
);
2034 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2035 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2037 /* When the image has a mask, we can expect that at
2038 least part of a mouse highlight or a block cursor will
2039 be visible. If the image doesn't have a mask, make
2040 a block cursor visible by drawing a rectangle around
2041 the image. I believe it's looking better if we do
2042 nothing here for mouse-face. */
2043 if (s
->hl
== DRAW_CURSOR
)
2045 int r
= s
->img
->relief
;
2047 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2048 s
->slice
.width
+ r
*2 - 1,
2049 s
->slice
.height
+ r
*2 - 1);
2053 SelectObject (hdc
, orig_brush
);
2054 DeleteObject (fg_brush
);
2055 SelectObject (compat_hdc
, orig_obj
);
2056 DeleteDC (compat_hdc
);
2059 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2060 s
->slice
.width
- 1, s
->slice
.height
- 1);
2062 SelectObject (hdc
, orig_hdc_obj
);
2067 /* Draw part of the background of glyph string S. X, Y, W, and H
2068 give the rectangle to draw. */
2071 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2073 #if 0 /* TODO: stipple */
2076 /* Fill background with a stipple pattern. */
2077 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2078 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2079 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2083 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2087 /* Draw image glyph string S.
2090 s->x +-------------------------
2093 | +-------------------------
2096 | | +-------------------
2102 x_draw_image_glyph_string (struct glyph_string
*s
)
2105 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2106 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2110 height
= s
->height
- 2 * box_line_vwidth
;
2112 /* Fill background with face under the image. Do it only if row is
2113 taller than image or if image has a clip mask to reduce
2115 s
->stippled_p
= s
->face
->stipple
!= 0;
2116 if (height
> s
->slice
.height
2120 || s
->img
->pixmap
== 0
2121 || s
->width
!= s
->background_width
)
2124 if (s
->first_glyph
->left_box_line_p
2126 x
+= box_line_hwidth
;
2129 if (s
->slice
.y
== 0)
2130 y
+= box_line_vwidth
;
2132 #if 0 /* TODO: figure out if we need to do this on Windows. */
2135 /* Create a pixmap as large as the glyph string. Fill it
2136 with the background color. Copy the image to it, using
2137 its mask. Copy the temporary pixmap to the display. */
2138 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2139 int depth
= DefaultDepthOfScreen (screen
);
2141 /* Create a pixmap as large as the glyph string. */
2142 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2143 s
->background_width
,
2146 /* Don't clip in the following because we're working on the
2148 XSetClipMask (s
->display
, s
->gc
, None
);
2150 /* Fill the pixmap with the background color/stipple. */
2153 /* Fill background with a stipple pattern. */
2154 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2155 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2156 0, 0, s
->background_width
, s
->height
);
2157 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2162 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2164 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2165 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2166 0, 0, s
->background_width
, s
->height
);
2167 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2172 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2174 s
->background_filled_p
= 1;
2177 /* Draw the foreground. */
2180 w32_draw_image_foreground_1 (s
, pixmap
);
2181 x_set_glyph_string_clipping (s
);
2183 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2184 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2185 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2186 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2188 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2189 SetBkColor (s
->hdc
, s
->gc
->background
);
2190 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2191 compat_hdc
, 0, 0, SRCCOPY
);
2193 SelectObject (s
->hdc
, orig_brush
);
2194 DeleteObject (fg_brush
);
2195 SelectObject (compat_hdc
, orig_obj
);
2196 DeleteDC (compat_hdc
);
2198 DeleteObject (pixmap
);
2202 x_draw_image_foreground (s
);
2204 /* If we must draw a relief around the image, do it. */
2206 || s
->hl
== DRAW_IMAGE_RAISED
2207 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2208 x_draw_image_relief (s
);
2212 /* Draw stretch glyph string S. */
2215 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2217 eassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2219 if (s
->hl
== DRAW_CURSOR
2220 && !x_stretch_cursor_p
)
2222 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2223 wide as the stretch glyph. */
2224 int width
, background_width
= s
->background_width
;
2227 if (!s
->row
->reversed_p
)
2229 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2233 background_width
-= left_x
- x
;
2239 /* In R2L rows, draw the cursor on the right edge of the
2241 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2243 if (x
+ background_width
> right_x
)
2244 background_width
-= x
- right_x
;
2245 x
+= background_width
;
2247 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2248 if (s
->row
->reversed_p
)
2252 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2254 /* Clear rest using the GC of the original non-cursor face. */
2255 if (width
< background_width
)
2257 XGCValues
*gc
= s
->face
->gc
;
2259 int w
= background_width
- width
, h
= s
->height
;
2263 if (!s
->row
->reversed_p
)
2267 if (s
->row
->mouse_face_p
2268 && cursor_in_mouse_face_p (s
->w
))
2270 x_set_mouse_face_gc (s
);
2276 get_glyph_string_clip_rect (s
, &r
);
2277 w32_set_clip_rectangle (hdc
, &r
);
2279 #if 0 /* TODO: stipple */
2280 if (s
->face
->stipple
)
2282 /* Fill background with a stipple pattern. */
2283 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2284 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2285 XSetFillStyle (s
->display
, gc
, FillSolid
);
2290 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2294 else if (!s
->background_filled_p
)
2296 int background_width
= s
->background_width
;
2297 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2299 /* Don't draw into left margin, fringe or scrollbar area
2300 except for header line and mode line. */
2301 if (x
< left_x
&& !s
->row
->mode_line_p
)
2303 background_width
-= left_x
- x
;
2306 if (background_width
> 0)
2307 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2310 s
->background_filled_p
= 1;
2314 /* Draw glyph string S. */
2317 x_draw_glyph_string (struct glyph_string
*s
)
2319 bool relief_drawn_p
= 0;
2321 /* If S draws into the background of its successor, draw the
2322 background of the successor first so that S can draw into it.
2323 This makes S->next use XDrawString instead of XDrawImageString. */
2324 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2327 struct glyph_string
*next
;
2328 for (width
= 0, next
= s
->next
;
2329 next
&& width
< s
->right_overhang
;
2330 width
+= next
->width
, next
= next
->next
)
2331 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2333 x_set_glyph_string_gc (next
);
2334 x_set_glyph_string_clipping (next
);
2335 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2336 x_draw_stretch_glyph_string (next
);
2338 x_draw_glyph_string_background (next
, 1);
2339 next
->num_clips
= 0;
2343 /* Set up S->gc, set clipping and draw S. */
2344 x_set_glyph_string_gc (s
);
2346 /* Draw relief (if any) in advance for char/composition so that the
2347 glyph string can be drawn over it. */
2348 if (!s
->for_overlaps
2349 && s
->face
->box
!= FACE_NO_BOX
2350 && (s
->first_glyph
->type
== CHAR_GLYPH
2351 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2354 x_set_glyph_string_clipping (s
);
2355 x_draw_glyph_string_background (s
, 1);
2356 x_draw_glyph_string_box (s
);
2357 x_set_glyph_string_clipping (s
);
2360 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2362 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2363 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2364 /* We must clip just this glyph. left_overhang part has already
2365 drawn when s->prev was drawn, and right_overhang part will be
2366 drawn later when s->next is drawn. */
2367 x_set_glyph_string_clipping_exactly (s
, s
);
2369 x_set_glyph_string_clipping (s
);
2371 switch (s
->first_glyph
->type
)
2374 x_draw_image_glyph_string (s
);
2378 x_draw_stretch_glyph_string (s
);
2382 if (s
->for_overlaps
)
2383 s
->background_filled_p
= 1;
2385 x_draw_glyph_string_background (s
, 0);
2386 x_draw_glyph_string_foreground (s
);
2389 case COMPOSITE_GLYPH
:
2390 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2391 && ! s
->first_glyph
->u
.cmp
.automatic
))
2392 s
->background_filled_p
= 1;
2394 x_draw_glyph_string_background (s
, 1);
2395 x_draw_composite_glyph_string_foreground (s
);
2398 case GLYPHLESS_GLYPH
:
2399 if (s
->for_overlaps
)
2400 s
->background_filled_p
= 1;
2402 x_draw_glyph_string_background (s
, 0);
2403 x_draw_glyphless_glyph_string_foreground (s
);
2410 if (!s
->for_overlaps
)
2412 /* Draw underline. */
2413 if (s
->face
->underline_p
)
2415 if (s
->face
->underline_type
== FACE_UNDER_WAVE
)
2419 if (s
->face
->underline_defaulted_p
)
2420 color
= s
->gc
->foreground
;
2422 color
= s
->face
->underline_color
;
2424 w32_draw_underwave (s
, color
);
2426 else if (s
->face
->underline_type
== FACE_UNDER_LINE
)
2428 unsigned long thickness
, position
;
2431 if (s
->prev
&& s
->prev
->face
->underline_p
2432 && s
->prev
->face
->underline_type
== FACE_UNDER_LINE
)
2434 /* We use the same underline style as the previous one. */
2435 thickness
= s
->prev
->underline_thickness
;
2436 position
= s
->prev
->underline_position
;
2440 /* Get the underline thickness. Default is 1 pixel. */
2441 if (s
->font
&& s
->font
->underline_thickness
> 0)
2442 thickness
= s
->font
->underline_thickness
;
2445 if (x_underline_at_descent_line
)
2446 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2449 /* Get the underline position. This is the recommended
2450 vertical offset in pixels from the baseline to the top of
2451 the underline. This is a signed value according to the
2452 specs, and its default is
2454 ROUND ((maximum_descent) / 2), with
2455 ROUND (x) = floor (x + 0.5) */
2457 if (x_use_underline_position_properties
2458 && s
->font
&& s
->font
->underline_position
>= 0)
2459 position
= s
->font
->underline_position
;
2461 position
= (s
->font
->descent
+ 1) / 2;
2463 position
= max (position
, underline_minimum_offset
);
2465 /* Check the sanity of thickness and position. We should
2466 avoid drawing underline out of the current line area. */
2467 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2468 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2469 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2470 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2471 s
->underline_thickness
= thickness
;
2472 s
->underline_position
=position
;
2473 y
= s
->ybase
+ position
;
2474 if (s
->face
->underline_defaulted_p
)
2476 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2481 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2486 /* Draw overline. */
2487 if (s
->face
->overline_p
)
2489 unsigned long dy
= 0, h
= 1;
2491 if (s
->face
->overline_color_defaulted_p
)
2493 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2494 s
->y
+ dy
, s
->width
, h
);
2498 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2499 s
->y
+ dy
, s
->width
, h
);
2503 /* Draw strike-through. */
2504 if (s
->face
->strike_through_p
2505 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2507 unsigned long h
= 1;
2508 unsigned long dy
= (s
->height
- h
) / 2;
2510 if (s
->face
->strike_through_color_defaulted_p
)
2512 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2517 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2518 s
->y
+ dy
, s
->width
, h
);
2522 /* Draw relief if not yet drawn. */
2523 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2524 x_draw_glyph_string_box (s
);
2528 struct glyph_string
*prev
;
2530 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2531 if (prev
->hl
!= s
->hl
2532 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2534 /* As prev was drawn while clipped to its own area, we
2535 must draw the right_overhang part using s->hl now. */
2536 enum draw_glyphs_face save
= prev
->hl
;
2539 x_set_glyph_string_gc (prev
);
2540 x_set_glyph_string_clipping_exactly (s
, prev
);
2541 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2542 x_draw_glyph_string_foreground (prev
);
2544 x_draw_composite_glyph_string_foreground (prev
);
2545 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2547 prev
->num_clips
= 0;
2553 struct glyph_string
*next
;
2555 for (next
= s
->next
; next
; next
= next
->next
)
2556 if (next
->hl
!= s
->hl
2557 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2559 /* As next will be drawn while clipped to its own area,
2560 we must draw the left_overhang part using s->hl now. */
2561 enum draw_glyphs_face save
= next
->hl
;
2564 x_set_glyph_string_gc (next
);
2565 x_set_glyph_string_clipping_exactly (s
, next
);
2566 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2567 x_draw_glyph_string_foreground (next
);
2569 x_draw_composite_glyph_string_foreground (next
);
2570 w32_set_clip_rectangle (next
->hdc
, NULL
);
2572 next
->num_clips
= 0;
2573 next
->clip_head
= s
->next
;
2578 /* Reset clipping. */
2579 w32_set_clip_rectangle (s
->hdc
, NULL
);
2584 /* Shift display to make room for inserted glyphs. */
2587 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2588 int width
, int height
, int shift_by
)
2592 hdc
= get_frame_dc (f
);
2593 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2594 hdc
, x
, y
, SRCCOPY
);
2596 release_frame_dc (f
, hdc
);
2600 /* Delete N glyphs at the nominal cursor position. Not implemented
2604 x_delete_glyphs (struct frame
*f
, register int n
)
2606 if (! FRAME_W32_P (f
))
2613 /* Clear entire frame. */
2616 x_clear_frame (struct frame
*f
)
2618 if (! FRAME_W32_P (f
))
2621 /* Clearing the frame will erase any cursor, so mark them all as no
2623 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2627 w32_clear_window (f
);
2629 /* We have to clear the scroll bars, too. If we have changed
2630 colors or something like that, then they should be notified. */
2631 x_scroll_bar_clear (f
);
2637 /* Make audible bell. */
2640 w32_ring_bell (struct frame
*f
)
2644 if (FRAME_W32_P (f
) && visible_bell
)
2647 HWND hwnd
= FRAME_W32_WINDOW (f
);
2649 for (i
= 0; i
< 5; i
++)
2651 FlashWindow (hwnd
, TRUE
);
2654 FlashWindow (hwnd
, FALSE
);
2657 w32_sys_ring_bell (f
);
2662 /***********************************************************************
2664 ***********************************************************************/
2666 /* Perform an insert-lines or delete-lines operation, inserting N
2667 lines or deleting -N lines at vertical position VPOS. */
2670 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2672 if (! FRAME_W32_P (f
))
2679 /* Scroll part of the display as described by RUN. */
2682 x_scroll_run (struct window
*w
, struct run
*run
)
2684 struct frame
*f
= XFRAME (w
->frame
);
2685 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2686 HWND hwnd
= FRAME_W32_WINDOW (f
);
2689 /* Get frame-relative bounding box of the text display area of W,
2690 without mode lines. Include in this box the left and right
2692 window_box (w
, ANY_AREA
, &x
, &y
, &width
, &height
);
2694 /* If the fringe is adjacent to the left (right) scroll bar of a
2695 leftmost (rightmost, respectively) window, then extend its
2696 background to the gap between the fringe and the bar. */
2697 if ((WINDOW_LEFTMOST_P (w
)
2698 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2699 || (WINDOW_RIGHTMOST_P (w
)
2700 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2702 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2706 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2707 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2708 * FRAME_COLUMN_WIDTH (f
));
2710 if (bar_area_x
+ bar_area_width
== x
)
2712 x
= bar_area_x
+ sb_width
;
2713 width
+= bar_area_width
- sb_width
;
2715 else if (x
+ width
== bar_area_x
)
2716 width
+= bar_area_width
- sb_width
;
2720 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2721 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2722 bottom_y
= y
+ height
;
2726 /* Scrolling up. Make sure we don't copy part of the mode
2727 line at the bottom. */
2728 if (from_y
+ run
->height
> bottom_y
)
2729 height
= bottom_y
- from_y
;
2731 height
= run
->height
;
2732 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2736 /* Scrolling down. Make sure we don't copy over the mode line.
2738 if (to_y
+ run
->height
> bottom_y
)
2739 height
= bottom_y
- to_y
;
2741 height
= run
->height
;
2742 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2747 /* Cursor off. Will be switched on again in x_update_window_end. */
2753 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2754 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2756 from
.left
= to
.left
= x
;
2757 from
.right
= to
.right
= x
+ width
;
2759 from
.bottom
= from_y
+ height
;
2761 to
.bottom
= bottom_y
;
2763 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2764 NULL
, SW_INVALIDATE
);
2766 /* Combine this with what we expect to be dirty. This covers the
2767 case where not all of the region we expect is actually dirty. */
2768 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2770 /* If the dirty region is not what we expected, redraw the entire frame. */
2771 if (!EqualRgn (combined
, expect_dirty
))
2772 SET_FRAME_GARBAGED (f
);
2774 DeleteObject (dirty
);
2775 DeleteObject (combined
);
2779 DeleteObject (expect_dirty
);
2784 /***********************************************************************
2786 ***********************************************************************/
2789 frame_highlight (struct frame
*f
)
2791 x_update_cursor (f
, 1);
2792 x_set_frame_alpha (f
);
2796 frame_unhighlight (struct frame
*f
)
2798 x_update_cursor (f
, 1);
2799 x_set_frame_alpha (f
);
2802 /* The focus has changed. Update the frames as necessary to reflect
2803 the new situation. Note that we can't change the selected frame
2804 here, because the Lisp code we are interrupting might become confused.
2805 Each event gets marked with the frame in which it occurred, so the
2806 Lisp code can tell when the switch took place by examining the events. */
2809 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2811 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2813 if (frame
!= dpyinfo
->w32_focus_frame
)
2815 /* Set this before calling other routines, so that they see
2816 the correct value of w32_focus_frame. */
2817 dpyinfo
->w32_focus_frame
= frame
;
2819 if (old_focus
&& old_focus
->auto_lower
)
2820 x_lower_frame (old_focus
);
2822 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2823 dpyinfo
->w32_pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2825 dpyinfo
->w32_pending_autoraise_frame
= NULL
;
2828 x_frame_rehighlight (dpyinfo
);
2832 /* Handle FocusIn and FocusOut state changes for FRAME.
2833 If FRAME has focus and there exists more than one frame, puts
2834 a FOCUS_IN_EVENT into *BUFP. */
2837 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2838 struct frame
*frame
, struct input_event
*bufp
)
2840 if (type
== WM_SETFOCUS
)
2842 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2844 x_new_focus_frame (dpyinfo
, frame
);
2845 dpyinfo
->w32_focus_event_frame
= frame
;
2847 /* Don't stop displaying the initial startup message
2848 for a switch-frame event we don't need. */
2849 if (NILP (Vterminal_frame
)
2850 && CONSP (Vframe_list
)
2851 && !NILP (XCDR (Vframe_list
)))
2860 bufp
->kind
= FOCUS_IN_EVENT
;
2861 XSETFRAME (bufp
->frame_or_window
, frame
);
2864 frame
->output_data
.x
->focus_state
|= state
;
2866 /* TODO: IME focus? */
2868 else if (type
== WM_KILLFOCUS
)
2870 frame
->output_data
.x
->focus_state
&= ~state
;
2872 if (dpyinfo
->w32_focus_event_frame
== frame
)
2874 dpyinfo
->w32_focus_event_frame
= 0;
2875 x_new_focus_frame (dpyinfo
, 0);
2877 bufp
->kind
= FOCUS_OUT_EVENT
;
2878 XSETFRAME (bufp
->frame_or_window
, frame
);
2881 /* TODO: IME focus? */
2886 /* The focus may have changed. Figure out if it is a real focus change,
2887 by checking both FocusIn/Out and Enter/LeaveNotify events.
2889 Returns FOCUS_IN_EVENT event in *BUFP. */
2892 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2893 struct input_event
*bufp
)
2895 struct frame
*frame
;
2897 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2901 /* On w32, this is only called from focus events, so no switch needed. */
2902 x_focus_changed (event
->msg
.message
,
2903 (event
->msg
.message
== WM_KILLFOCUS
?
2904 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2905 dpyinfo
, frame
, bufp
);
2909 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2912 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2914 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2917 /* The focus has changed, or we have redirected a frame's focus to
2918 another frame (this happens when a frame uses a surrogate
2919 mini-buffer frame). Shift the highlight as appropriate.
2921 The FRAME argument doesn't necessarily have anything to do with which
2922 frame is being highlighted or un-highlighted; we only use it to find
2923 the appropriate X display info. */
2926 w32_frame_rehighlight (struct frame
*frame
)
2928 if (! FRAME_W32_P (frame
))
2930 x_frame_rehighlight (FRAME_DISPLAY_INFO (frame
));
2934 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2936 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2938 if (dpyinfo
->w32_focus_frame
)
2940 dpyinfo
->x_highlight_frame
2941 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2942 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2943 : dpyinfo
->w32_focus_frame
);
2944 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2946 fset_focus_frame (dpyinfo
->w32_focus_frame
, Qnil
);
2947 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2951 dpyinfo
->x_highlight_frame
= 0;
2953 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2956 frame_unhighlight (old_highlight
);
2957 if (dpyinfo
->x_highlight_frame
)
2958 frame_highlight (dpyinfo
->x_highlight_frame
);
2962 /* Keyboard processing - modifier keys, etc. */
2964 /* Convert a keysym to its name. */
2967 x_get_keysym_name (int keysym
)
2969 /* Make static so we can always return it */
2970 static char value
[100];
2973 GetKeyNameText (keysym
, value
, 100);
2980 codepage_for_locale (LCID locale
)
2984 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
2991 /* Mouse clicks and mouse movement. Rah. */
2993 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2994 the state in PUP. XBUTTON provides extra information for extended mouse
2995 button messages. Returns FALSE if unable to parse the message. */
2997 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
3004 case WM_LBUTTONDOWN
:
3012 case WM_MBUTTONDOWN
:
3013 if (NILP (Vw32_swap_mouse_buttons
))
3020 if (NILP (Vw32_swap_mouse_buttons
))
3026 case WM_RBUTTONDOWN
:
3027 if (NILP (Vw32_swap_mouse_buttons
))
3034 if (NILP (Vw32_swap_mouse_buttons
))
3040 case WM_XBUTTONDOWN
:
3041 button
= xbutton
+ 2;
3045 button
= xbutton
+ 2;
3053 if (pbutton
) *pbutton
= button
;
3059 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3061 If the event is a button press, then note that we have grabbed
3065 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3070 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3073 /* Make the event type NO_EVENT; we'll change that when we decide
3075 result
->kind
= MOUSE_CLICK_EVENT
;
3076 result
->code
= button
;
3077 result
->timestamp
= msg
->msg
.time
;
3078 result
->modifiers
= (msg
->dwModifiers
3083 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3084 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3085 XSETFRAME (result
->frame_or_window
, f
);
3091 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3096 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3099 result
->timestamp
= msg
->msg
.time
;
3101 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3102 forward, away from the user (up); a negative value indicates that
3103 the wheel was rotated backward, toward the user (down). */
3104 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3106 /* The up and down modifiers indicate if the wheel was rotated up or
3107 down based on WHEEL_DELTA value. */
3108 result
->modifiers
= (msg
->dwModifiers
3109 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3111 /* With multiple monitors, we can legitimately get negative
3112 coordinates, so cast to short to interpret them correctly. */
3113 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3114 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3115 ScreenToClient (msg
->msg
.hwnd
, &p
);
3116 XSETINT (result
->x
, p
.x
);
3117 XSETINT (result
->y
, p
.y
);
3118 XSETFRAME (result
->frame_or_window
, f
);
3124 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3134 result
->kind
= DRAG_N_DROP_EVENT
;
3136 result
->timestamp
= msg
->msg
.time
;
3137 result
->modifiers
= msg
->dwModifiers
;
3139 hdrop
= (HDROP
) msg
->msg
.wParam
;
3140 DragQueryPoint (hdrop
, &p
);
3143 p
.x
= LOWORD (msg
->msg
.lParam
);
3144 p
.y
= HIWORD (msg
->msg
.lParam
);
3145 ScreenToClient (msg
->msg
.hwnd
, &p
);
3148 XSETINT (result
->x
, p
.x
);
3149 XSETINT (result
->y
, p
.y
);
3151 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3154 for (i
= 0; i
< num_files
; i
++)
3156 len
= GUI_FN (DragQueryFile
) (hdrop
, i
, NULL
, 0);
3160 name
= alloca ((len
+ 1) * sizeof (*name
));
3161 GUI_FN (DragQueryFile
) (hdrop
, i
, name
, len
+ 1);
3162 #ifdef NTGUI_UNICODE
3163 files
= Fcons (from_unicode_buffer (name
), files
);
3165 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3166 #endif /* NTGUI_UNICODE */
3171 XSETFRAME (frame
, f
);
3172 result
->frame_or_window
= frame
;
3173 result
->arg
= files
;
3180 /* File event notifications (see w32notify.c). */
3183 lispy_file_action (DWORD action
)
3185 static char unknown_fmt
[] = "unknown-action(%d)";
3190 case FILE_ACTION_ADDED
:
3193 case FILE_ACTION_REMOVED
:
3196 case FILE_ACTION_MODIFIED
:
3199 case FILE_ACTION_RENAMED_OLD_NAME
:
3200 retval
= Qrenamed_from
;
3202 case FILE_ACTION_RENAMED_NEW_NAME
:
3203 retval
= Qrenamed_to
;
3207 char buf
[sizeof(unknown_fmt
) - 1 + INT_STRLEN_BOUND (DWORD
)];
3209 sprintf (buf
, unknown_fmt
, action
);
3210 retval
= intern (buf
);
3219 /* Put file notifications into the Emacs input event queue. This
3220 function runs when the WM_EMACS_FILENOTIFY message arrives from a
3223 queue_notifications (struct input_event
*event
, W32Msg
*msg
, struct frame
*f
,
3226 BYTE
*p
= file_notifications
;
3227 FILE_NOTIFY_INFORMATION
*fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3228 const DWORD min_size
3229 = offsetof (FILE_NOTIFY_INFORMATION
, FileName
) + sizeof(wchar_t);
3232 /* We cannot process notification before Emacs is fully initialized,
3233 since we need the UTF-16LE coding-system to be set up. */
3236 notification_buffer_in_use
= 0;
3240 XSETFRAME (frame
, f
);
3243 if (notification_buffer_in_use
)
3245 DWORD info_size
= notifications_size
;
3246 Lisp_Object cs
= intern ("utf-16le");
3247 Lisp_Object obj
= w32_get_watch_object (notifications_desc
);
3249 /* notifications_size could be zero when the buffer of
3250 notifications overflowed on the OS level, or when the
3251 directory being watched was itself deleted. Do nothing in
3254 && !NILP (obj
) && CONSP (obj
))
3256 Lisp_Object callback
= XCDR (obj
);
3258 while (info_size
>= min_size
)
3260 Lisp_Object utf_16_fn
3261 = make_unibyte_string ((char *)fni
->FileName
,
3262 fni
->FileNameLength
);
3263 /* Note: mule-conf is preloaded, so utf-16le must
3264 already be defined at this point. */
3266 = code_convert_string_norecord (utf_16_fn
, cs
, 0);
3267 Lisp_Object action
= lispy_file_action (fni
->Action
);
3269 event
->kind
= FILE_NOTIFY_EVENT
;
3271 = (ptrdiff_t)XINT (XIL ((EMACS_INT
)notifications_desc
));
3272 event
->timestamp
= msg
->msg
.time
;
3273 event
->modifiers
= 0;
3274 event
->frame_or_window
= callback
;
3275 event
->arg
= Fcons (action
, fname
);
3276 kbd_buffer_store_event (event
);
3279 if (!fni
->NextEntryOffset
)
3281 p
+= fni
->NextEntryOffset
;
3282 fni
= (PFILE_NOTIFY_INFORMATION
)p
;
3283 info_size
-= fni
->NextEntryOffset
;
3286 notification_buffer_in_use
= 0;
3289 DebPrint (("We were promised notifications, but in-use flag is zero!\n"));
3292 /* We've stuffed all the events ourselves, so w32_read_socket shouldn't. */
3293 event
->kind
= NO_EVENT
;
3295 #endif /* WINDOWSNT */
3296 #endif /* HAVE_W32NOTIFY */
3299 /* Function to report a mouse movement to the mainstream Emacs code.
3300 The input handler calls this.
3302 We have received a mouse movement event, which is given in *event.
3303 If the mouse is over a different glyph than it was last time, tell
3304 the mainstream emacs code by setting mouse_moved. If not, ask for
3305 another motion event, so we can check again the next time it moves. */
3308 note_mouse_movement (struct frame
*frame
, MSG
*msg
)
3310 struct w32_display_info
*dpyinfo
;
3311 int mouse_x
= LOWORD (msg
->lParam
);
3312 int mouse_y
= HIWORD (msg
->lParam
);
3314 if (!FRAME_X_OUTPUT (frame
))
3317 dpyinfo
= FRAME_DISPLAY_INFO (frame
);
3318 last_mouse_movement_time
= msg
->time
;
3319 dpyinfo
->last_mouse_motion_frame
= frame
;
3320 dpyinfo
->last_mouse_motion_x
= mouse_x
;
3321 dpyinfo
->last_mouse_motion_y
= mouse_y
;
3323 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3325 frame
->mouse_moved
= 1;
3326 last_mouse_scroll_bar
= Qnil
;
3327 note_mouse_highlight (frame
, -1, -1);
3328 last_mouse_glyph_frame
= 0;
3332 /* Has the mouse moved off the glyph it was on at the last sighting? */
3333 if (frame
!= last_mouse_glyph_frame
3334 || mouse_x
< last_mouse_glyph
.left
3335 || mouse_x
>= last_mouse_glyph
.right
3336 || mouse_y
< last_mouse_glyph
.top
3337 || mouse_y
>= last_mouse_glyph
.bottom
)
3339 frame
->mouse_moved
= 1;
3340 last_mouse_scroll_bar
= Qnil
;
3341 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3342 /* Remember the mouse position here, as w32_mouse_position only
3343 gets called when mouse tracking is enabled but we also need
3344 to keep track of the mouse for help_echo and highlighting at
3346 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3347 last_mouse_glyph_frame
= frame
;
3355 /************************************************************************
3357 ************************************************************************/
3359 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3360 static void x_scroll_bar_report_motion (struct frame
**, Lisp_Object
*,
3361 enum scroll_bar_part
*,
3362 Lisp_Object
*, Lisp_Object
*,
3364 static void x_check_fullscreen (struct frame
*);
3367 w32_define_cursor (Window window
, Cursor cursor
)
3369 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3371 /* Return the current position of the mouse.
3372 *fp should be a frame which indicates which display to ask about.
3374 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3375 and *part to the frame, window, and scroll bar part that the mouse
3376 is over. Set *x and *y to the portion and whole of the mouse's
3377 position on the scroll bar.
3379 If the mouse movement started elsewhere, set *fp to the frame the
3380 mouse is on, *bar_window to nil, and *x and *y to the character cell
3383 Set *time to the server time-stamp for the time at which the mouse
3384 was at this position.
3386 Don't store anything if we don't have a valid set of values to report.
3388 This clears the mouse_moved flag, so we can wait for the next mouse
3392 w32_mouse_position (struct frame
**fp
, int insist
, Lisp_Object
*bar_window
,
3393 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3394 unsigned long *time
)
3397 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (*fp
);
3401 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3402 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3407 Lisp_Object frame
, tail
;
3409 /* Clear the mouse-moved flag for every frame on this display. */
3410 FOR_EACH_FRAME (tail
, frame
)
3411 XFRAME (frame
)->mouse_moved
= 0;
3413 last_mouse_scroll_bar
= Qnil
;
3417 /* Now we have a position on the root; find the innermost window
3418 containing the pointer. */
3420 /* If mouse was grabbed on a frame, give coords for that
3421 frame even if the mouse is now outside it. Otherwise
3422 check for window under mouse on one of our frames. */
3423 f1
= (x_mouse_grabbed (dpyinfo
) ? dpyinfo
->last_mouse_frame
3424 : x_any_window_to_frame (dpyinfo
, WindowFromPoint (pt
)));
3426 /* If not, is it one of our scroll bars? */
3429 struct scroll_bar
*bar
3430 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3434 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3438 if (f1
== 0 && insist
> 0)
3439 f1
= SELECTED_FRAME ();
3443 /* Ok, we found a frame. Store all the values.
3444 last_mouse_glyph is a rectangle used to reduce the
3445 generation of mouse events. To not miss any motion
3446 events, we must divide the frame into rectangles of the
3447 size of the smallest character that could be displayed
3448 on it, i.e. into the same rectangles that matrices on
3449 the frame are divided into. */
3451 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3452 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3453 last_mouse_glyph_frame
= f1
;
3460 *time
= last_mouse_movement_time
;
3469 /***********************************************************************
3471 ***********************************************************************/
3473 /* Handle mouse button event on the tool-bar of frame F, at
3474 frame-relative coordinates X/Y. EVENT_TYPE is either ButtonPress
3475 or ButtonRelease. */
3478 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3480 int x
= XFASTINT (button_event
->x
);
3481 int y
= XFASTINT (button_event
->y
);
3483 if (button_event
->modifiers
& down_modifier
)
3484 handle_tool_bar_click (f
, x
, y
, 1, 0);
3486 handle_tool_bar_click (f
, x
, y
, 0,
3487 button_event
->modifiers
& ~up_modifier
);
3492 /***********************************************************************
3494 ***********************************************************************/
3496 /* Scroll bar support. */
3498 /* Given a window ID, find the struct scroll_bar which manages it.
3499 This can be called in GC, so we have to make sure to strip off mark
3502 static struct scroll_bar
*
3503 x_window_to_scroll_bar (Window window_id
)
3505 Lisp_Object tail
, frame
;
3507 FOR_EACH_FRAME (tail
, frame
)
3509 Lisp_Object bar
, condemned
;
3511 /* Scan this frame's scroll bar list for a scroll bar with the
3513 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3514 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3515 /* This trick allows us to search both the ordinary and
3516 condemned scroll bar lists with one loop. */
3517 ! NILP (bar
) || (bar
= condemned
,
3520 bar
= XSCROLL_BAR (bar
)->next
)
3521 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3522 return XSCROLL_BAR (bar
);
3530 /* Set the thumb size and position of scroll bar BAR. We are currently
3531 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3534 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3535 int portion
, int position
, int whole
)
3537 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3538 /* We use the whole scroll-bar height in the calculations below, to
3539 avoid strange effects like scrolling backwards when just clicking
3540 on the handle (without moving it). */
3541 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3542 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3543 int sb_page
, sb_pos
;
3544 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3547 /* We used to change the nPage setting while dragging the handle,
3548 but that had very strange effects (such as scrolling backwards
3549 while dragging downwards).
3551 Now, we don't change the nPage setting while dragging unless we
3552 get near to the end of the buffer, in which case we often have to
3553 resize the handle to "go all the way". */
3559 si
.cbSize
= sizeof (si
);
3560 si
.fMask
= SIF_POS
| SIF_PAGE
;
3561 GetScrollInfo (w
, SB_CTL
, &si
);
3562 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3570 /* Position scroll bar at rock bottom if the bottom of the
3571 buffer is visible. This avoids shrinking the thumb away
3572 to nothing if it is held at the bottom of the buffer. */
3573 if (position
+ portion
>= whole
&& !draggingp
)
3575 sb_page
= range
* (whole
- position
) / whole
;
3580 sb_pos
= position
* range
/ whole
;
3581 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3590 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3594 si
.cbSize
= sizeof (si
);
3595 si
.fMask
= SIF_PAGE
| SIF_POS
;
3599 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3605 /************************************************************************
3606 Scroll bars, general
3607 ************************************************************************/
3610 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3612 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3613 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3617 /*#define ATTACH_THREADS*/
3620 my_show_window (struct frame
*f
, HWND hwnd
, int how
)
3622 #ifndef ATTACH_THREADS
3623 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3624 (WPARAM
) hwnd
, (LPARAM
) how
);
3626 return ShowWindow (hwnd
, how
);
3631 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3632 int x
, int y
, int cx
, int cy
, UINT flags
)
3634 #ifndef ATTACH_THREADS
3636 pos
.hwndInsertAfter
= hwndAfter
;
3642 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3644 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3650 my_set_focus (struct frame
* f
, HWND hwnd
)
3652 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3658 my_set_foreground_window (HWND hwnd
)
3660 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3665 my_destroy_window (struct frame
* f
, HWND hwnd
)
3667 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3672 my_bring_window_to_top (HWND hwnd
)
3674 SendMessage (hwnd
, WM_EMACS_BRINGTOTOP
, (WPARAM
) hwnd
, 0);
3677 /* Create a scroll bar and return the scroll bar vector for it. W is
3678 the Emacs window on which to create the scroll bar. TOP, LEFT,
3679 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3682 static struct scroll_bar
*
3683 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3685 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3688 struct scroll_bar
*bar
3689 = ALLOCATE_PSEUDOVECTOR (struct scroll_bar
, fringe_extended_p
, PVEC_OTHER
);
3694 XSETWINDOW (bar
->window
, w
);
3695 XSETINT (bar
->top
, top
);
3696 XSETINT (bar
->left
, left
);
3697 XSETINT (bar
->width
, width
);
3698 XSETINT (bar
->height
, height
);
3699 XSETINT (bar
->start
, 0);
3700 XSETINT (bar
->end
, 0);
3701 bar
->dragging
= Qnil
;
3702 bar
->fringe_extended_p
= 0;
3704 /* Requires geometry to be set before call to create the real window */
3706 hwnd
= my_create_scrollbar (f
, bar
);
3708 si
.cbSize
= sizeof (si
);
3711 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3712 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3716 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3718 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3720 /* Add bar to its frame's list of scroll bars. */
3721 bar
->next
= FRAME_SCROLL_BARS (f
);
3723 XSETVECTOR (barobj
, bar
);
3724 fset_scroll_bars (f
, barobj
);
3725 if (! NILP (bar
->next
))
3726 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3734 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3738 x_scroll_bar_remove (struct scroll_bar
*bar
)
3740 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3744 /* Destroy the window. */
3745 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3747 /* Dissociate this scroll bar from its window. */
3748 wset_vertical_scroll_bar (XWINDOW (bar
->window
), Qnil
);
3753 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3754 that we are displaying PORTION characters out of a total of WHOLE
3755 characters, starting at POSITION. If WINDOW has no scroll bar,
3758 w32_set_vertical_scroll_bar (struct window
*w
,
3759 int portion
, int whole
, int position
)
3761 struct frame
*f
= XFRAME (w
->frame
);
3763 struct scroll_bar
*bar
;
3764 int top
, height
, left
, sb_left
, width
, sb_width
;
3765 int window_y
, window_height
;
3766 bool fringe_extended_p
;
3768 /* Get window dimensions. */
3769 window_box (w
, ANY_AREA
, 0, &window_y
, 0, &window_height
);
3771 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3772 height
= window_height
;
3774 /* Compute the left edge of the scroll bar area. */
3775 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3777 /* Compute the width of the scroll bar which might be less than
3778 the width of the area reserved for the scroll bar. */
3779 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3780 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3784 /* Compute the left edge of the scroll bar. */
3785 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3786 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3788 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3790 fringe_extended_p
= WINDOW_FRINGE_EXTENDED_P (w
);
3792 /* Does the scroll bar exist yet? */
3793 if (NILP (w
->vertical_scroll_bar
))
3797 if (width
> 0 && height
> 0)
3799 hdc
= get_frame_dc (f
);
3800 if (fringe_extended_p
)
3801 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3803 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3804 release_frame_dc (f
, hdc
);
3808 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3812 /* It may just need to be moved and resized. */
3815 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3816 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3818 /* If already correctly positioned, do nothing. */
3819 if (XINT (bar
->left
) == sb_left
3820 && XINT (bar
->top
) == top
3821 && XINT (bar
->width
) == sb_width
3822 && XINT (bar
->height
) == height
3823 && bar
->fringe_extended_p
== fringe_extended_p
)
3825 /* Redraw after clear_frame. */
3826 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3827 InvalidateRect (hwnd
, NULL
, FALSE
);
3835 if (width
&& height
)
3837 hdc
= get_frame_dc (f
);
3838 /* Since Windows scroll bars are smaller than the space reserved
3839 for them on the frame, we have to clear "under" them. */
3840 if (fringe_extended_p
)
3841 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3843 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3844 release_frame_dc (f
, hdc
);
3846 /* Make sure scroll bar is "visible" before moving, to ensure the
3847 area of the parent window now exposed will be refreshed. */
3848 my_show_window (f
, hwnd
, SW_HIDE
);
3849 MoveWindow (hwnd
, sb_left
, top
, sb_width
,
3850 max (height
, 1), TRUE
);
3852 si
.cbSize
= sizeof (si
);
3853 si
.fMask
= SIF_RANGE
;
3855 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3856 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3858 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3860 my_show_window (f
, hwnd
, SW_NORMAL
);
3861 /* InvalidateRect (w, NULL, FALSE); */
3863 /* Remember new settings. */
3864 XSETINT (bar
->left
, sb_left
);
3865 XSETINT (bar
->top
, top
);
3866 XSETINT (bar
->width
, sb_width
);
3867 XSETINT (bar
->height
, height
);
3872 bar
->fringe_extended_p
= fringe_extended_p
;
3874 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3875 XSETVECTOR (barobj
, bar
);
3876 wset_vertical_scroll_bar (w
, barobj
);
3880 /* The following three hooks are used when we're doing a thorough
3881 redisplay of the frame. We don't explicitly know which scroll bars
3882 are going to be deleted, because keeping track of when windows go
3883 away is a real pain - "Can you say set-window-configuration, boys
3884 and girls?" Instead, we just assert at the beginning of redisplay
3885 that *all* scroll bars are to be removed, and then save a scroll bar
3886 from the fiery pit when we actually redisplay its window. */
3888 /* Arrange for all scroll bars on FRAME to be removed at the next call
3889 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3890 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3893 w32_condemn_scroll_bars (struct frame
*frame
)
3895 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3896 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3899 bar
= FRAME_SCROLL_BARS (frame
);
3900 fset_scroll_bars (frame
, XSCROLL_BAR (bar
)->next
);
3901 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3902 XSCROLL_BAR (bar
)->prev
= Qnil
;
3903 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3904 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3905 fset_condemned_scroll_bars (frame
, bar
);
3910 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3911 Note that WINDOW isn't necessarily condemned at all. */
3914 w32_redeem_scroll_bar (struct window
*window
)
3916 struct scroll_bar
*bar
;
3920 /* We can't redeem this window's scroll bar if it doesn't have one. */
3921 if (NILP (window
->vertical_scroll_bar
))
3924 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3926 /* Unlink it from the condemned list. */
3927 f
= XFRAME (WINDOW_FRAME (window
));
3928 if (NILP (bar
->prev
))
3930 /* If the prev pointer is nil, it must be the first in one of
3932 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3933 /* It's not condemned. Everything's fine. */
3935 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3936 window
->vertical_scroll_bar
))
3937 fset_condemned_scroll_bars (f
, bar
->next
);
3939 /* If its prev pointer is nil, it must be at the front of
3940 one or the other! */
3944 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3946 if (! NILP (bar
->next
))
3947 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3949 bar
->next
= FRAME_SCROLL_BARS (f
);
3951 XSETVECTOR (barobj
, bar
);
3952 fset_scroll_bars (f
, barobj
);
3953 if (! NILP (bar
->next
))
3954 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3957 /* Remove all scroll bars on FRAME that haven't been saved since the
3958 last call to `*condemn_scroll_bars_hook'. */
3961 w32_judge_scroll_bars (struct frame
*f
)
3963 Lisp_Object bar
, next
;
3965 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3967 /* Clear out the condemned list now so we won't try to process any
3968 more events on the hapless scroll bars. */
3969 fset_condemned_scroll_bars (f
, Qnil
);
3971 for (; ! NILP (bar
); bar
= next
)
3973 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3975 x_scroll_bar_remove (b
);
3978 b
->next
= b
->prev
= Qnil
;
3981 /* Now there should be no references to the condemned scroll bars,
3982 and they should get garbage-collected. */
3985 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3986 is set to something other than NO_EVENT, it is enqueued.
3988 This may be called from a signal handler, so we have to ignore GC
3992 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
3993 struct input_event
*emacs_event
)
3995 if (! WINDOWP (bar
->window
))
3998 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3999 emacs_event
->code
= 0;
4000 /* not really meaningful to distinguish up/down */
4001 emacs_event
->modifiers
= msg
->dwModifiers
;
4002 emacs_event
->frame_or_window
= bar
->window
;
4003 emacs_event
->arg
= Qnil
;
4004 emacs_event
->timestamp
= msg
->msg
.time
;
4007 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4009 int dragging
= !NILP (bar
->dragging
);
4012 si
.cbSize
= sizeof (si
);
4015 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
4018 bar
->dragging
= Qnil
;
4021 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
4023 switch (LOWORD (msg
->msg
.wParam
))
4026 emacs_event
->part
= scroll_bar_down_arrow
;
4029 emacs_event
->part
= scroll_bar_up_arrow
;
4032 emacs_event
->part
= scroll_bar_above_handle
;
4035 emacs_event
->part
= scroll_bar_below_handle
;
4038 emacs_event
->part
= scroll_bar_handle
;
4042 emacs_event
->part
= scroll_bar_handle
;
4046 case SB_THUMBPOSITION
:
4047 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4048 y
= HIWORD (msg
->msg
.wParam
);
4050 emacs_event
->part
= scroll_bar_handle
;
4052 /* "Silently" update current position. */
4056 si
.cbSize
= sizeof (si
);
4059 /* Remember apparent position (we actually lag behind the real
4060 position, so don't set that directly). */
4061 last_scroll_bar_drag_pos
= y
;
4063 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4067 /* If this is the end of a drag sequence, then reset the scroll
4068 handle size to normal and do a final redraw. Otherwise do
4073 int start
= XINT (bar
->start
);
4074 int end
= XINT (bar
->end
);
4076 si
.cbSize
= sizeof (si
);
4077 si
.fMask
= SIF_PAGE
| SIF_POS
;
4078 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4079 si
.nPos
= last_scroll_bar_drag_pos
;
4080 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4084 emacs_event
->kind
= NO_EVENT
;
4088 XSETINT (emacs_event
->x
, y
);
4089 XSETINT (emacs_event
->y
, top_range
);
4095 /* Return information to the user about the current position of the mouse
4096 on the scroll bar. */
4099 x_scroll_bar_report_motion (struct frame
**fp
, Lisp_Object
*bar_window
,
4100 enum scroll_bar_part
*part
,
4101 Lisp_Object
*x
, Lisp_Object
*y
,
4102 unsigned long *time
)
4104 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4105 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4106 struct frame
*f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4108 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4114 *bar_window
= bar
->window
;
4116 si
.cbSize
= sizeof (si
);
4117 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4119 GetScrollInfo (w
, SB_CTL
, &si
);
4121 top_range
= si
.nMax
- si
.nPage
+ 1;
4123 switch (LOWORD (last_mouse_scroll_bar_pos
))
4125 case SB_THUMBPOSITION
:
4127 *part
= scroll_bar_handle
;
4128 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4129 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4132 *part
= scroll_bar_handle
;
4136 *part
= scroll_bar_handle
;
4141 XSETINT (*y
, top_range
);
4144 last_mouse_scroll_bar
= Qnil
;
4146 *time
= last_mouse_movement_time
;
4152 /* The screen has been cleared so we may have changed foreground or
4153 background colors, and the scroll bars may need to be redrawn.
4154 Clear out the scroll bars, and ask for expose events, so we can
4158 x_scroll_bar_clear (struct frame
*f
)
4162 /* We can have scroll bars even if this is 0,
4163 if we just turned off scroll bar mode.
4164 But in that case we should not clear them. */
4165 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4166 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4167 bar
= XSCROLL_BAR (bar
)->next
)
4169 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4170 HDC hdc
= GetDC (window
);
4173 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4174 arranges to refresh the scroll bar if hidden. */
4175 my_show_window (f
, window
, SW_HIDE
);
4177 GetClientRect (window
, &rect
);
4178 select_palette (f
, hdc
);
4179 w32_clear_rect (f
, hdc
, &rect
);
4180 deselect_palette (f
, hdc
);
4182 ReleaseDC (window
, hdc
);
4187 /* The main W32 event-reading loop - w32_read_socket. */
4189 /* Record the last 100 characters stored
4190 to help debug the loss-of-chars-during-GC problem. */
4192 static int temp_index
;
4193 static short temp_buffer
[100];
4195 /* Temporarily store lead byte of DBCS input sequences. */
4196 static char dbcs_lead
= 0;
4198 /* Read events coming from the W32 shell.
4199 This routine is called by the SIGIO handler.
4200 We return as soon as there are no more events to be read.
4202 For an overview of how Emacs input works on MS-Windows, see the
4203 commentary before w32_msg_pump in w32fns.c.
4205 We return the number of characters stored into the buffer,
4206 thus pretending to be `read'.
4208 Some of these messages are reposted back to the message queue since the
4209 system calls the windows proc directly in a context where we cannot return
4210 the data nor can we guarantee the state we are in. So if we dispatch them
4211 we will get into an infinite loop. To prevent this from ever happening we
4212 will set a variable to indicate we are in the read_socket call and indicate
4213 which message we are processing since the windows proc gets called
4214 recursively with different messages by the system.
4218 w32_read_socket (struct terminal
*terminal
,
4219 struct input_event
*hold_quit
)
4222 int check_visibility
= 0;
4225 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4226 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4231 /* So people can tell when we have read the available input. */
4232 input_signal_count
++;
4234 /* Process any incoming thread messages. */
4235 drain_message_queue ();
4237 /* TODO: ghostscript integration. */
4238 while (get_next_msg (&msg
, FALSE
))
4240 struct input_event inev
;
4243 /* DebPrint (("w32_read_socket: %s time:%u\n", */
4244 /* w32_name_of_message (msg.msg.message), */
4245 /* msg.msg.time)); */
4248 inev
.kind
= NO_EVENT
;
4251 switch (msg
.msg
.message
)
4253 case WM_EMACS_PAINT
:
4254 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4258 if (msg
.rect
.right
== msg
.rect
.left
||
4259 msg
.rect
.bottom
== msg
.rect
.top
)
4261 /* We may get paint messages even though the client
4262 area is clipped - these are not expose events. */
4263 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4266 else if (FRAME_VISIBLE_P (f
) != 1)
4268 bool iconified
= FRAME_ICONIFIED_P (f
);
4270 /* Definitely not obscured, so mark as visible. */
4271 SET_FRAME_VISIBLE (f
, 1);
4272 SET_FRAME_ICONIFIED (f
, 0);
4273 SET_FRAME_GARBAGED (f
);
4274 if (!f
->output_data
.w32
->asked_for_visible
)
4275 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4278 /* WM_PAINT serves as MapNotify as well, so report
4279 visibility changes properly. */
4282 inev
.kind
= DEICONIFY_EVENT
;
4283 XSETFRAME (inev
.frame_or_window
, f
);
4285 else if (!NILP (Vframe_list
) && !NILP (XCDR (Vframe_list
)))
4286 /* Force a redisplay sooner or later to update the
4287 frame titles in case this is the second frame. */
4288 record_asynch_buffer_change ();
4292 HDC hdc
= get_frame_dc (f
);
4294 /* Erase background again for safety. */
4295 w32_clear_rect (f
, hdc
, &msg
.rect
);
4296 release_frame_dc (f
, hdc
);
4300 msg
.rect
.right
- msg
.rect
.left
,
4301 msg
.rect
.bottom
- msg
.rect
.top
);
4306 case WM_INPUTLANGCHANGE
:
4307 /* Generate a language change event. */
4308 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4310 /* lParam contains the input language ID in its low 16 bits.
4311 Use it to update our record of the keyboard codepage. */
4312 w32_keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4317 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4318 XSETFRAME (inev
.frame_or_window
, f
);
4319 inev
.code
= w32_keyboard_codepage
;
4320 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4326 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4328 if (f
&& !FRAME_ICONIFIED_P (f
))
4330 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4331 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4333 clear_mouse_face (hlinfo
);
4334 hlinfo
->mouse_face_hidden
= 1;
4337 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4339 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4340 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4341 inev
.code
= msg
.msg
.wParam
;
4342 inev
.modifiers
= msg
.dwModifiers
;
4343 XSETFRAME (inev
.frame_or_window
, f
);
4344 inev
.timestamp
= msg
.msg
.time
;
4351 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4353 if (f
&& !FRAME_ICONIFIED_P (f
))
4355 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4356 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4358 clear_mouse_face (hlinfo
);
4359 hlinfo
->mouse_face_hidden
= 1;
4362 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4364 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4366 inev
.modifiers
= msg
.dwModifiers
;
4367 XSETFRAME (inev
.frame_or_window
, f
);
4368 inev
.timestamp
= msg
.msg
.time
;
4370 if (msg
.msg
.message
== WM_UNICHAR
)
4372 inev
.code
= msg
.msg
.wParam
;
4374 else if (msg
.msg
.wParam
< 256)
4379 dbcs
[1] = (char) msg
.msg
.wParam
;
4383 dbcs
[0] = dbcs_lead
;
4385 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4389 DebPrint (("Invalid DBCS sequence: %d %d\n",
4391 inev
.kind
= NO_EVENT
;
4395 else if (IsDBCSLeadByteEx (w32_keyboard_codepage
,
4396 (BYTE
) msg
.msg
.wParam
))
4398 dbcs_lead
= (char) msg
.msg
.wParam
;
4399 inev
.kind
= NO_EVENT
;
4404 if (!MultiByteToWideChar (w32_keyboard_codepage
, 0,
4405 &dbcs
[1], 1, &code
, 1))
4407 /* What to do with garbage? */
4408 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4409 inev
.kind
= NO_EVENT
;
4417 /* Windows shouldn't generate WM_CHAR events above 0xFF
4418 in non-Unicode message handlers. */
4419 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4420 inev
.kind
= NO_EVENT
;
4423 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4424 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4429 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4431 if (f
&& !FRAME_ICONIFIED_P (f
))
4433 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4434 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4436 clear_mouse_face (hlinfo
);
4437 hlinfo
->mouse_face_hidden
= 1;
4440 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4442 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4443 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4444 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4445 inev
.modifiers
= msg
.dwModifiers
;
4446 XSETFRAME (inev
.frame_or_window
, f
);
4447 inev
.timestamp
= msg
.msg
.time
;
4452 /* Ignore non-movement. */
4454 int x
= LOWORD (msg
.msg
.lParam
);
4455 int y
= HIWORD (msg
.msg
.lParam
);
4456 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4458 last_mousemove_x
= x
;
4459 last_mousemove_y
= y
;
4462 previous_help_echo_string
= help_echo_string
;
4463 help_echo_string
= Qnil
;
4465 f
= (x_mouse_grabbed (dpyinfo
) ? dpyinfo
->last_mouse_frame
4466 : x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
));
4468 if (hlinfo
->mouse_face_hidden
)
4470 hlinfo
->mouse_face_hidden
= 0;
4471 clear_mouse_face (hlinfo
);
4476 /* Generate SELECT_WINDOW_EVENTs when needed. */
4477 if (!NILP (Vmouse_autoselect_window
))
4479 static Lisp_Object last_mouse_window
;
4480 Lisp_Object window
= window_from_coordinates
4481 (f
, LOWORD (msg
.msg
.lParam
), HIWORD (msg
.msg
.lParam
), 0, 0);
4483 /* Window will be selected only when it is not
4484 selected now and last mouse movement event was
4485 not in it. Minibuffer window will be selected
4486 only when it is active. */
4487 if (WINDOWP (window
)
4488 && !EQ (window
, last_mouse_window
)
4489 && !EQ (window
, selected_window
)
4490 /* For click-to-focus window managers
4491 create event iff we don't leave the
4493 && (focus_follows_mouse
4494 || (EQ (XWINDOW (window
)->frame
,
4495 XWINDOW (selected_window
)->frame
))))
4497 inev
.kind
= SELECT_WINDOW_EVENT
;
4498 inev
.frame_or_window
= window
;
4500 /* Remember the last window where we saw the mouse. */
4501 last_mouse_window
= window
;
4503 if (!note_mouse_movement (f
, &msg
.msg
))
4504 help_echo_string
= previous_help_echo_string
;
4508 /* If we move outside the frame, then we're
4509 certainly no longer on any text in the frame. */
4510 clear_mouse_face (hlinfo
);
4513 /* If the contents of the global variable help_echo_string
4514 has changed, generate a HELP_EVENT. */
4515 #if 0 /* The below is an invalid comparison when CHECK_LISP_OBJECT_TYPE.
4516 But it was originally changed to this to fix a bug, so I have
4517 not removed it completely in case the bug is still there. */
4518 if (help_echo_string
!= previous_help_echo_string
||
4519 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4520 #else /* This is what xterm.c does. */
4521 if (!NILP (help_echo_string
)
4522 || !NILP (previous_help_echo_string
))
4527 case WM_LBUTTONDOWN
:
4529 case WM_MBUTTONDOWN
:
4531 case WM_RBUTTONDOWN
:
4533 case WM_XBUTTONDOWN
:
4536 /* If we decide we want to generate an event to be seen
4537 by the rest of Emacs, we put it here. */
4538 bool tool_bar_p
= 0;
4542 f
= (x_mouse_grabbed (dpyinfo
) ? dpyinfo
->last_mouse_frame
4543 : x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
));
4547 construct_mouse_click (&inev
, &msg
, f
);
4549 /* Is this in the tool-bar? */
4550 if (WINDOWP (f
->tool_bar_window
)
4551 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4554 int x
= XFASTINT (inev
.x
);
4555 int y
= XFASTINT (inev
.y
);
4557 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4559 if (EQ (window
, f
->tool_bar_window
))
4561 w32_handle_tool_bar_click (f
, &inev
);
4567 || (dpyinfo
->w32_focus_frame
4568 && f
!= dpyinfo
->w32_focus_frame
))
4569 inev
.kind
= NO_EVENT
;
4572 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4577 dpyinfo
->grabbed
&= ~ (1 << button
);
4581 dpyinfo
->grabbed
|= (1 << button
);
4582 dpyinfo
->last_mouse_frame
= f
;
4583 /* Ignore any mouse motion that happened
4584 before this event; any subsequent mouse-movement
4585 Emacs events should reflect only motion after
4591 last_tool_bar_item
= -1;
4597 case WM_MOUSEHWHEEL
:
4599 f
= (x_mouse_grabbed (dpyinfo
) ? dpyinfo
->last_mouse_frame
4600 : x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
));
4605 if (!dpyinfo
->w32_focus_frame
4606 || f
== dpyinfo
->w32_focus_frame
)
4608 /* Emit an Emacs wheel-up/down event. */
4609 construct_mouse_wheel (&inev
, &msg
, f
);
4611 /* Ignore any mouse motion that happened before this
4612 event; any subsequent mouse-movement Emacs events
4613 should reflect only motion after the
4617 dpyinfo
->last_mouse_frame
= f
;
4618 last_tool_bar_item
= -1;
4623 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4626 construct_drag_n_drop (&inev
, &msg
, f
);
4631 struct scroll_bar
*bar
=
4632 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4635 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4639 case WM_WINDOWPOSCHANGED
:
4641 case WM_ACTIVATEAPP
:
4642 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4645 /* Run the full-screen hook function also when we are
4646 being activated, to actually install the required
4647 size in effect, if the WAIT flag is set. This is
4648 because when the hook is run from x_set_fullscreen,
4649 the frame might not yet be visible, if that call is a
4650 result of make-frame, and in that case the hook just
4651 sets the WAIT flag. */
4652 if ((msg
.msg
.message
== WM_WINDOWPOSCHANGED
|| msg
.msg
.wParam
)
4653 && (f
->want_fullscreen
& FULLSCREEN_WAIT
))
4654 w32fullscreen_hook (f
);
4655 x_check_fullscreen (f
);
4657 check_visibility
= 1;
4661 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4663 if (f
&& !FRAME_ICONIFIED_P (f
))
4664 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
4666 check_visibility
= 1;
4670 /* wParam non-zero means Window is about to be shown, 0 means
4671 about to be hidden. */
4672 /* Redo the mouse-highlight after the tooltip has gone. */
4673 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4676 x_redo_mouse_highlight (dpyinfo
);
4679 /* If window has been obscured or exposed by another window
4680 being maximized or minimized/restored, then recheck
4681 visibility of all frames. Direct changes to our own
4682 windows get handled by WM_SIZE. */
4684 if (msg
.msg
.lParam
!= 0)
4685 check_visibility
= 1;
4688 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4689 f
->async_visible
= msg
.msg
.wParam
;
4693 check_visibility
= 1;
4697 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4699 /* Inform lisp of whether frame has been iconified etc. */
4702 switch (msg
.msg
.wParam
)
4704 case SIZE_MINIMIZED
:
4705 SET_FRAME_VISIBLE (f
, 0);
4706 SET_FRAME_ICONIFIED (f
, 1);
4708 inev
.kind
= ICONIFY_EVENT
;
4709 XSETFRAME (inev
.frame_or_window
, f
);
4712 case SIZE_MAXIMIZED
:
4715 bool iconified
= FRAME_ICONIFIED_P (f
);
4718 SET_FRAME_VISIBLE (f
, 1);
4719 SET_FRAME_ICONIFIED (f
, 0);
4721 /* wait_reading_process_output will notice this
4722 and update the frame's display structures. */
4723 SET_FRAME_GARBAGED (f
);
4727 /* Reset top and left positions of the Window
4728 here since Windows sends a WM_MOVE message
4729 BEFORE telling us the Window is minimized
4730 when the Window is iconified, with 3000,3000
4732 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
4734 inev
.kind
= DEICONIFY_EVENT
;
4735 XSETFRAME (inev
.frame_or_window
, f
);
4737 else if (! NILP (Vframe_list
)
4738 && ! NILP (XCDR (Vframe_list
)))
4739 /* Force a redisplay sooner or later
4740 to update the frame titles
4741 in case this is the second frame. */
4742 record_asynch_buffer_change ();
4748 if (f
&& !FRAME_ICONIFIED_P (f
) && msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4756 GetClientRect (msg
.msg
.hwnd
, &rect
);
4758 height
= rect
.bottom
- rect
.top
;
4759 width
= rect
.right
- rect
.left
;
4761 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4762 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4764 /* TODO: Clip size to the screen dimensions. */
4766 /* Even if the number of character rows and columns has
4767 not changed, the font size may have changed, so we need
4768 to check the pixel dimensions as well. */
4770 if (columns
!= FRAME_COLS (f
)
4771 || rows
!= FRAME_LINES (f
)
4772 || width
!= FRAME_PIXEL_WIDTH (f
)
4773 || height
!= FRAME_PIXEL_HEIGHT (f
))
4775 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4776 SET_FRAME_GARBAGED (f
);
4777 cancel_mouse_face (f
);
4778 FRAME_PIXEL_WIDTH (f
) = width
;
4779 FRAME_PIXEL_HEIGHT (f
) = height
;
4780 f
->win_gravity
= NorthWestGravity
;
4784 check_visibility
= 1;
4788 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4791 if (f
== hlinfo
->mouse_face_mouse_frame
)
4793 /* If we move outside the frame, then we're
4794 certainly no longer on any text in the frame. */
4795 clear_mouse_face (hlinfo
);
4796 hlinfo
->mouse_face_mouse_frame
= 0;
4799 /* Generate a nil HELP_EVENT to cancel a help-echo.
4800 Do it only if there's something to cancel.
4801 Otherwise, the startup message is cleared when
4802 the mouse leaves the frame. */
4803 if (any_help_event_p
)
4809 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4811 dpyinfo
->grabbed
= 0;
4812 check_visibility
= 1;
4816 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4817 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4821 if (f
== hlinfo
->mouse_face_mouse_frame
)
4823 /* If we move outside the frame, then we're
4824 certainly no longer on any text in the frame. */
4825 clear_mouse_face (hlinfo
);
4826 hlinfo
->mouse_face_mouse_frame
= 0;
4829 /* Generate a nil HELP_EVENT to cancel a help-echo.
4830 Do it only if there's something to cancel.
4831 Otherwise, the startup message is cleared when
4832 the mouse leaves the frame. */
4833 if (any_help_event_p
)
4837 dpyinfo
->grabbed
= 0;
4838 check_visibility
= 1;
4842 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4846 inev
.kind
= DELETE_WINDOW_EVENT
;
4847 XSETFRAME (inev
.frame_or_window
, f
);
4852 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4856 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4857 XSETFRAME (inev
.frame_or_window
, f
);
4862 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4866 extern void menubar_selection_callback
4867 (struct frame
*f
, void * client_data
);
4868 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4871 check_visibility
= 1;
4874 case WM_DISPLAYCHANGE
:
4875 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4879 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4880 DebPrint (("display change: %d %d\n",
4881 (short) LOWORD (msg
.msg
.lParam
),
4882 (short) HIWORD (msg
.msg
.lParam
)));
4885 check_visibility
= 1;
4889 case WM_EMACS_FILENOTIFY
:
4890 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4892 queue_notifications (&inev
, &msg
, f
, &count
);
4897 /* Check for messages registered at runtime. */
4898 if (msg
.msg
.message
== msh_mousewheel
)
4900 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4901 msg
.msg
.message
= WM_MOUSEWHEEL
;
4907 if (inev
.kind
!= NO_EVENT
)
4909 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4914 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4919 XSETFRAME (frame
, f
);
4925 if (NILP (help_echo_string
))
4927 help_echo_object
= help_echo_window
= Qnil
;
4931 any_help_event_p
= 1;
4932 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4933 help_echo_object
, help_echo_pos
);
4937 help_echo_string
= Qnil
;
4938 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4944 /* If the focus was just given to an autoraising frame,
4945 raise it now. FIXME: handle more than one such frame. */
4946 if (dpyinfo
->w32_pending_autoraise_frame
)
4948 x_raise_frame (dpyinfo
->w32_pending_autoraise_frame
);
4949 dpyinfo
->w32_pending_autoraise_frame
= NULL
;
4952 /* Check which frames are still visible, if we have enqueued any user
4953 events or been notified of events that may affect visibility. We
4954 do this here because there doesn't seem to be any direct
4955 notification from Windows that the visibility of a window has
4956 changed (at least, not in all cases). */
4957 if (count
> 0 || check_visibility
)
4959 Lisp_Object tail
, frame
;
4961 FOR_EACH_FRAME (tail
, frame
)
4963 struct frame
*f
= XFRAME (frame
);
4964 /* The tooltip has been drawn already. Avoid the
4965 SET_FRAME_GARBAGED below. */
4966 if (EQ (frame
, tip_frame
))
4969 /* Check "visible" frames and mark each as obscured or not.
4970 Note that visible is nonzero for unobscured and obscured
4971 frames, but zero for hidden and iconified frames. */
4972 if (FRAME_W32_P (f
) && FRAME_VISIBLE_P (f
))
4979 /* Query clipping rectangle for the entire window area
4980 (GetWindowDC), not just the client portion (GetDC).
4981 Otherwise, the scrollbars and menubar aren't counted as
4982 part of the visible area of the frame, and we may think
4983 the frame is obscured when really a scrollbar is still
4984 visible and gets WM_PAINT messages above. */
4985 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4986 GetClipBox (hdc
, &clipbox
);
4987 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4990 obscured
= FRAME_OBSCURED_P (f
);
4992 if (clipbox
.right
== clipbox
.left
|| clipbox
.bottom
== clipbox
.top
)
4994 /* Frame has become completely obscured so mark as such (we
4995 do this by setting visible to 2 so that FRAME_VISIBLE_P
4996 is still true, but redisplay will skip it). */
4997 SET_FRAME_VISIBLE (f
, 2);
5000 DebPrint (("frame %p (%s) obscured\n", f
, SDATA (f
->name
)));
5004 /* Frame is not obscured, so mark it as such. */
5005 SET_FRAME_VISIBLE (f
, 1);
5009 SET_FRAME_GARBAGED (f
);
5010 DebPrint (("obscured frame %p (%s) found to be visible\n",
5011 f
, SDATA (f
->name
)));
5013 /* Force a redisplay sooner or later. */
5014 record_asynch_buffer_change ();
5027 /***********************************************************************
5029 ***********************************************************************/
5031 /* Set clipping for output in glyph row ROW. W is the window in which
5032 we operate. GC is the graphics context to set clipping in.
5034 ROW may be a text row or, e.g., a mode line. Text rows must be
5035 clipped to the interior of the window dedicated to text display,
5036 mode lines must be clipped to the whole window. */
5039 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
,
5040 enum glyph_row_area area
, HDC hdc
)
5043 int window_x
, window_y
, window_width
;
5045 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
5047 clip_rect
.left
= window_x
;
5048 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
5049 clip_rect
.top
= max (clip_rect
.top
, window_y
);
5050 clip_rect
.right
= clip_rect
.left
+ window_width
;
5051 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
5053 w32_set_clip_rectangle (hdc
, &clip_rect
);
5057 /* Draw a hollow box cursor on window W in glyph row ROW. */
5060 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
5062 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5066 struct glyph
*cursor_glyph
;
5067 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
5069 /* Get the glyph the cursor is on. If we can't tell because
5070 the current matrix is invalid or such, give up. */
5071 cursor_glyph
= get_phys_cursor_glyph (w
);
5072 if (cursor_glyph
== NULL
)
5078 /* Compute frame-relative coordinates for phys cursor. */
5079 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
5082 rect
.bottom
= rect
.top
+ h
;
5083 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
5085 hdc
= get_frame_dc (f
);
5086 /* Set clipping, draw the rectangle, and reset clipping again. */
5087 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5088 FrameRect (hdc
, &rect
, hb
);
5090 w32_set_clip_rectangle (hdc
, NULL
);
5091 release_frame_dc (f
, hdc
);
5095 /* Draw a bar cursor on window W in glyph row ROW.
5097 Implementation note: One would like to draw a bar cursor with an
5098 angle equal to the one given by the font property XA_ITALIC_ANGLE.
5099 Unfortunately, I didn't find a font yet that has this property set.
5103 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
5104 int width
, enum text_cursor_kinds kind
)
5106 struct frame
*f
= XFRAME (w
->frame
);
5107 struct glyph
*cursor_glyph
;
5109 /* If cursor is out of bounds, don't draw garbage. This can happen
5110 in mini-buffer windows when switching between echo area glyphs
5112 cursor_glyph
= get_phys_cursor_glyph (w
);
5113 if (cursor_glyph
== NULL
)
5116 /* If on an image, draw like a normal cursor. That's usually better
5117 visible than drawing a bar, esp. if the image is large so that
5118 the bar might not be in the window. */
5119 if (cursor_glyph
->type
== IMAGE_GLYPH
)
5121 struct glyph_row
*row
;
5122 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
5123 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
5127 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
5128 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
5132 /* If the glyph's background equals the color we normally draw
5133 the bar cursor in, the bar cursor in its normal color is
5134 invisible. Use the glyph's foreground color instead in this
5135 case, on the assumption that the glyph's colors are chosen so
5136 that the glyph is legible. */
5137 if (face
->background
== cursor_color
)
5138 cursor_color
= face
->foreground
;
5140 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5142 hdc
= get_frame_dc (f
);
5143 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5145 if (kind
== BAR_CURSOR
)
5148 width
= FRAME_CURSOR_WIDTH (f
);
5149 width
= min (cursor_glyph
->pixel_width
, width
);
5151 w
->phys_cursor_width
= width
;
5153 /* If the character under cursor is R2L, draw the bar cursor
5154 on the right of its glyph, rather than on the left. */
5155 if ((cursor_glyph
->resolved_level
& 1) != 0)
5156 x
+= cursor_glyph
->pixel_width
- width
;
5158 w32_fill_area (f
, hdc
, cursor_color
, x
,
5159 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5160 width
, row
->height
);
5164 int dummy_x
, dummy_y
, dummy_h
;
5167 width
= row
->height
;
5169 width
= min (row
->height
, width
);
5171 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
5172 &dummy_y
, &dummy_h
);
5173 w32_fill_area (f
, hdc
, cursor_color
, x
,
5174 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5175 row
->height
- width
),
5176 w
->phys_cursor_width
, width
);
5179 w32_set_clip_rectangle (hdc
, NULL
);
5180 release_frame_dc (f
, hdc
);
5185 /* RIF: Define cursor CURSOR on frame F. */
5188 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5190 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5194 /* RIF: Clear area on frame F. */
5197 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5201 hdc
= get_frame_dc (f
);
5202 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5203 release_frame_dc (f
, hdc
);
5206 /* RIF: Draw or clear cursor on window W. */
5209 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5210 int x
, int y
, enum text_cursor_kinds cursor_type
,
5211 int cursor_width
, bool on_p
, bool active_p
)
5215 /* If the user wants to use the system caret, make sure our own
5216 cursor remains invisible. */
5217 if (w32_use_visible_system_caret
)
5219 /* Call to erase_phys_cursor here seems to use the
5220 wrong values of w->phys_cursor, as they have been
5221 overwritten before this function was called. */
5222 if (w
->phys_cursor_type
!= NO_CURSOR
)
5223 erase_phys_cursor (w
);
5225 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5226 w
->phys_cursor_width
= -1;
5230 w
->phys_cursor_type
= cursor_type
;
5233 w
->phys_cursor_on_p
= 1;
5235 /* If this is the active cursor, we need to track it with the
5236 system caret, so third party software like screen magnifiers
5237 and speech synthesizers can follow the cursor. */
5240 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5241 HWND hwnd
= FRAME_W32_WINDOW (f
);
5244 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5246 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5247 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5248 w32_system_caret_window
= w
;
5249 w32_system_caret_hdr_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
5250 w32_system_caret_mode_height
= WINDOW_MODE_LINE_HEIGHT (w
);
5252 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5254 /* If the size of the active cursor changed, destroy the old
5256 if (w32_system_caret_hwnd
5257 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5258 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5260 w32_system_caret_height
= w
->phys_cursor_height
;
5262 /* Move the system caret. */
5263 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5266 if (glyph_row
->exact_window_width_line_p
5267 && (glyph_row
->reversed_p
5268 ? (w
->phys_cursor
.hpos
< 0)
5269 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5271 glyph_row
->cursor_in_fringe_p
= 1;
5272 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5276 switch (cursor_type
)
5278 case HOLLOW_BOX_CURSOR
:
5279 x_draw_hollow_cursor (w
, glyph_row
);
5282 case FILLED_BOX_CURSOR
:
5283 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5287 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5291 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5295 w
->phys_cursor_width
= 0;
5309 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5312 HANDLE small_icon
= NULL
;
5314 if (FRAME_W32_WINDOW (f
) == 0)
5318 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5319 else if (STRINGP (icon
))
5321 /* Load the main icon from the named file. */
5322 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5323 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5324 /* Try to load a small icon to go with it. */
5325 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5326 GetSystemMetrics (SM_CXSMICON
),
5327 GetSystemMetrics (SM_CYSMICON
),
5330 else if (SYMBOLP (icon
))
5334 if (EQ (icon
, intern ("application")))
5335 name
= (LPCTSTR
) IDI_APPLICATION
;
5336 else if (EQ (icon
, intern ("hand")))
5337 name
= (LPCTSTR
) IDI_HAND
;
5338 else if (EQ (icon
, intern ("question")))
5339 name
= (LPCTSTR
) IDI_QUESTION
;
5340 else if (EQ (icon
, intern ("exclamation")))
5341 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5342 else if (EQ (icon
, intern ("asterisk")))
5343 name
= (LPCTSTR
) IDI_ASTERISK
;
5344 else if (EQ (icon
, intern ("winlogo")))
5345 name
= (LPCTSTR
) IDI_WINLOGO
;
5349 main_icon
= LoadIcon (NULL
, name
);
5354 if (main_icon
== NULL
)
5357 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5358 (LPARAM
) main_icon
);
5360 /* If there is a small icon that goes with it, set that too. */
5362 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5363 (LPARAM
) small_icon
);
5369 /************************************************************************
5371 ************************************************************************/
5373 /* Display Error Handling functions not used on W32. Listing them here
5374 helps diff stay in step when comparing w32term.c with xterm.c.
5376 x_error_catcher (display, error)
5377 x_catch_errors (dpy)
5378 x_catch_errors_unwind (old_val)
5379 x_check_errors (dpy, format)
5380 x_fully_uncatch_errors ()
5381 x_had_errors_p (dpy)
5382 x_clear_errors (dpy)
5383 x_uncatch_errors (dpy, count)
5385 x_connection_signal (signalnum)
5386 x_connection_closed (dpy, error_message)
5387 x_error_quitter (display, error)
5388 x_error_handler (display, error)
5389 x_io_error_quitter (display)
5394 /* Changing the font of the frame. */
5397 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5399 struct font
*font
= XFONT_OBJECT (font_object
);
5402 fontset
= fontset_from_font (font_object
);
5403 FRAME_FONTSET (f
) = fontset
;
5404 if (FRAME_FONT (f
) == font
)
5405 /* This font is already set in frame F. There's nothing more to
5409 FRAME_FONT (f
) = font
;
5410 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5411 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5412 FRAME_LINE_HEIGHT (f
) = font
->height
;
5414 compute_fringe_widths (f
, 1);
5416 /* Compute the scroll bar width in character columns. */
5417 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5419 int wid
= FRAME_COLUMN_WIDTH (f
);
5420 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5421 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5425 int wid
= FRAME_COLUMN_WIDTH (f
);
5426 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5429 /* Now make the frame display the given font. */
5430 if (FRAME_X_WINDOW (f
) != 0)
5432 /* Don't change the size of a tip frame; there's no point in
5433 doing it because it's done in Fx_show_tip, and it leads to
5434 problems because the tip frame has no widget. */
5435 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5436 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5439 /* X version sets font of input methods here also. */
5445 /***********************************************************************
5446 TODO: W32 Input Methods
5447 ***********************************************************************/
5448 /* Listing missing functions from xterm.c helps diff stay in step.
5450 xim_destroy_callback (xim, client_data, call_data)
5451 xim_open_dpy (dpyinfo, resource_name)
5453 xim_instantiate_callback (display, client_data, call_data)
5454 xim_initialize (dpyinfo, resource_name)
5455 xim_close_dpy (dpyinfo)
5460 /* Calculate the absolute position in frame F
5461 from its current recorded position values and gravity. */
5464 x_calc_absolute_position (struct frame
*f
)
5466 int flags
= f
->size_hint_flags
;
5468 /* The sum of the widths of the frame's left and right borders, and
5469 the sum of the heights of the frame's top and bottom borders (in
5470 pixels) drawn by Windows. */
5471 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5473 /* Try to get the actual values of these two variables. We compute
5474 the border width (height) by subtracting the width (height) of
5475 the frame's client area from the width (height) of the frame's
5477 WINDOWPLACEMENT wp
= { 0 };
5478 RECT client_rect
= { 0 };
5480 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5481 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5483 left_right_borders_width
=
5484 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5485 (client_rect
.right
- client_rect
.left
);
5487 top_bottom_borders_height
=
5488 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5489 (client_rect
.bottom
- client_rect
.top
);
5493 /* Use sensible default values. */
5494 left_right_borders_width
= 8;
5495 top_bottom_borders_height
= 32;
5498 /* Treat negative positions as relative to the rightmost bottommost
5499 position that fits on the screen. */
5500 if (flags
& XNegative
)
5501 f
->left_pos
= (x_display_pixel_width (FRAME_DISPLAY_INFO (f
))
5502 - FRAME_PIXEL_WIDTH (f
)
5504 - (left_right_borders_width
- 1));
5506 if (flags
& YNegative
)
5507 f
->top_pos
= (x_display_pixel_height (FRAME_DISPLAY_INFO (f
))
5508 - FRAME_PIXEL_HEIGHT (f
)
5510 - (top_bottom_borders_height
- 1));
5512 /* The left_pos and top_pos are now relative to the top and left
5513 screen edges, so the flags should correspond. */
5514 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5517 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5518 to really change the position, and 0 when calling from
5519 x_make_frame_visible (in that case, XOFF and YOFF are the current
5520 position values). It is -1 when calling from x_set_frame_parameters,
5521 which means, do adjust for borders but don't change the gravity. */
5524 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5527 int modified_top
, modified_left
;
5529 if (change_gravity
> 0)
5533 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5535 f
->size_hint_flags
|= XNegative
;
5537 f
->size_hint_flags
|= YNegative
;
5538 f
->win_gravity
= NorthWestGravity
;
5540 x_calc_absolute_position (f
);
5543 x_wm_set_size_hint (f
, (long) 0, 0);
5545 modified_left
= f
->left_pos
;
5546 modified_top
= f
->top_pos
;
5548 my_set_window_pos (FRAME_W32_WINDOW (f
),
5550 modified_left
, modified_top
,
5552 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5557 /* Check if we need to resize the frame due to a fullscreen request.
5558 If so needed, resize the frame. */
5560 x_check_fullscreen (struct frame
*f
)
5562 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5564 int width
, height
, ign
;
5566 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5568 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5570 /* We do not need to move the window, it shall be taken care of
5571 when setting WM manager hints. */
5572 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5574 change_frame_size (f
, height
, width
, 0, 1, 0);
5575 SET_FRAME_GARBAGED (f
);
5576 cancel_mouse_face (f
);
5578 /* Wait for the change of frame size to occur. */
5579 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5585 w32fullscreen_hook (struct frame
*f
)
5587 if (FRAME_VISIBLE_P (f
))
5589 HWND hwnd
= FRAME_W32_WINDOW(f
);
5590 DWORD dwStyle
= GetWindowLong (hwnd
, GWL_STYLE
);
5594 f
->want_fullscreen
&= ~FULLSCREEN_WAIT
;
5596 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_NONE
)
5597 GetWindowPlacement (hwnd
, &FRAME_NORMAL_PLACEMENT (f
));
5599 if (FRAME_PREV_FSMODE (f
) == FULLSCREEN_BOTH
)
5601 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
| WS_OVERLAPPEDWINDOW
);
5602 SetWindowPos (hwnd
, NULL
, 0, 0, 0, 0,
5603 SWP_NOMOVE
| SWP_NOSIZE
| SWP_NOZORDER
|
5604 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5607 w32_fullscreen_rect (hwnd
, f
->want_fullscreen
,
5608 FRAME_NORMAL_PLACEMENT (f
).rcNormalPosition
, &rect
);
5609 FRAME_PREV_FSMODE (f
) = f
->want_fullscreen
;
5610 if (f
->want_fullscreen
== FULLSCREEN_MAXIMIZED
)
5611 PostMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, 0xf030, 0);
5612 else if (f
->want_fullscreen
== FULLSCREEN_BOTH
)
5614 SetWindowLong (hwnd
, GWL_STYLE
, dwStyle
& ~WS_OVERLAPPEDWINDOW
);
5615 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5616 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
,
5617 SWP_NOOWNERZORDER
| SWP_FRAMECHANGED
);
5621 SetWindowPos (hwnd
, HWND_TOP
, rect
.left
, rect
.top
,
5622 rect
.right
- rect
.left
, rect
.bottom
- rect
.top
, 0);
5625 f
->want_fullscreen
= FULLSCREEN_NONE
;
5629 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5632 /* Call this to change the size of frame F's x-window.
5633 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5634 for this size change and subsequent size changes.
5635 Otherwise we leave the window gravity unchanged. */
5638 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5640 int pixelwidth
, pixelheight
;
5644 check_frame_size (f
, &rows
, &cols
);
5645 f
->scroll_bar_actual_width
5646 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5648 compute_fringe_widths (f
, 0);
5650 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5651 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5653 f
->win_gravity
= NorthWestGravity
;
5654 x_wm_set_size_hint (f
, (long) 0, 0);
5659 rect
.left
= rect
.top
= 0;
5660 rect
.right
= pixelwidth
;
5661 rect
.bottom
= pixelheight
;
5663 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5664 FRAME_EXTERNAL_MENU_BAR (f
));
5666 my_set_window_pos (FRAME_W32_WINDOW (f
),
5669 rect
.right
- rect
.left
,
5670 rect
.bottom
- rect
.top
,
5671 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5675 /* The following mirrors what is done in xterm.c. It appears to be
5676 for informing lisp of the new size immediately, while the actual
5677 resize will happen asynchronously. But on Windows, the menu bar
5678 automatically wraps when the frame is too narrow to contain it,
5679 and that causes any calculations made here to come out wrong. The
5680 end is some nasty buggy behavior, including the potential loss
5683 Disabling this code is either not sufficient to fix the problems
5684 completely, or it causes fresh problems, but at least it removes
5685 the most problematic symptom of the minibuffer becoming unusable.
5687 -----------------------------------------------------------------
5689 Now, strictly speaking, we can't be sure that this is accurate,
5690 but the window manager will get around to dealing with the size
5691 change request eventually, and we'll hear how it went when the
5692 ConfigureNotify event gets here.
5694 We could just not bother storing any of this information here,
5695 and let the ConfigureNotify event set everything up, but that
5696 might be kind of confusing to the Lisp code, since size changes
5697 wouldn't be reported in the frame parameters until some random
5698 point in the future when the ConfigureNotify event arrives.
5700 We pass 1 for DELAY since we can't run Lisp code inside of
5702 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5703 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5704 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5706 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5707 receive in the ConfigureNotify event; if we get what we asked
5708 for, then the event won't cause the screen to become garbaged, so
5709 we have to make sure to do it here. */
5710 SET_FRAME_GARBAGED (f
);
5712 /* If cursor was outside the new size, mark it as off. */
5713 mark_window_cursors_off (XWINDOW (f
->root_window
));
5715 /* Clear out any recollection of where the mouse highlighting was,
5716 since it might be in a place that's outside the new frame size.
5717 Actually checking whether it is outside is a pain in the neck,
5718 so don't try--just let the highlighting be done afresh with new size. */
5719 cancel_mouse_face (f
);
5725 /* Mouse warping. */
5727 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5730 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5734 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5735 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5737 if (pix_x
< 0) pix_x
= 0;
5738 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5740 if (pix_y
< 0) pix_y
= 0;
5741 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5743 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5747 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5754 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5755 pt
.x
= rect
.left
+ pix_x
;
5756 pt
.y
= rect
.top
+ pix_y
;
5757 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5759 SetCursorPos (pt
.x
, pt
.y
);
5765 /* focus shifting, raising and lowering. */
5768 x_focus_frame (struct frame
*f
)
5770 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5772 /* Give input focus to frame. */
5775 /* Try not to change its Z-order if possible. */
5776 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5777 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5780 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5784 /* Raise frame F. */
5786 x_raise_frame (struct frame
*f
)
5790 /* Strictly speaking, raise-frame should only change the frame's Z
5791 order, leaving input focus unchanged. This is reasonable behavior
5792 on X where the usual policy is point-to-focus. However, this
5793 behavior would be very odd on Windows where the usual policy is
5796 On X, if the mouse happens to be over the raised frame, it gets
5797 input focus anyway (so the window with focus will never be
5798 completely obscured) - if not, then just moving the mouse over it
5799 is sufficient to give it focus. On Windows, the user must actually
5800 click on the frame (preferably the title bar so as not to move
5801 point), which is more awkward. Also, no other Windows program
5802 raises a window to the top but leaves another window (possibly now
5803 completely obscured) with input focus.
5805 Because there is a system setting on Windows that allows the user
5806 to choose the point to focus policy, we make the strict semantics
5807 optional, but by default we grab focus when raising. */
5809 if (NILP (Vw32_grab_focus_on_raise
))
5811 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5812 not already the foreground application: the frame is raised
5813 above all other frames belonging to us, but not above the
5814 current top window. To achieve that, we have to resort to this
5815 more cumbersome method. */
5817 HDWP handle
= BeginDeferWindowPos (2);
5820 handle
= DeferWindowPos (handle
,
5821 FRAME_W32_WINDOW (f
),
5824 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5827 handle
= DeferWindowPos (handle
,
5828 GetForegroundWindow (),
5829 FRAME_W32_WINDOW (f
),
5831 SWP_NOSIZE
| SWP_NOMOVE
|
5834 EndDeferWindowPos (handle
);
5840 my_bring_window_to_top (FRAME_W32_WINDOW (f
));
5846 /* Lower frame F. */
5848 x_lower_frame (struct frame
*f
)
5851 my_set_window_pos (FRAME_W32_WINDOW (f
),
5854 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5859 w32_frame_raise_lower (struct frame
*f
, int raise_flag
)
5861 if (! FRAME_W32_P (f
))
5870 /* Change of visibility. */
5872 /* This tries to wait until the frame is really visible.
5873 However, if the window manager asks the user where to position
5874 the frame, this will return before the user finishes doing that.
5875 The frame will not actually be visible at that time,
5876 but it will become visible later when the window manager
5877 finishes with it. */
5880 x_make_frame_visible (struct frame
*f
)
5884 x_set_bitmap_icon (f
);
5886 if (! FRAME_VISIBLE_P (f
))
5888 /* We test FRAME_GARBAGED_P here to make sure we don't
5889 call x_set_offset a second time
5890 if we get to x_make_frame_visible a second time
5891 before the window gets really visible. */
5892 if (! FRAME_ICONIFIED_P (f
)
5893 && ! f
->output_data
.w32
->asked_for_visible
)
5898 /* Adjust vertical window position in order to avoid being
5899 covered by a task bar placed at the bottom of the desktop. */
5900 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5901 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5902 if (window_rect
.bottom
> workarea_rect
.bottom
5903 && window_rect
.top
> workarea_rect
.top
)
5904 f
->top_pos
= max (window_rect
.top
5905 - window_rect
.bottom
+ workarea_rect
.bottom
,
5908 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5911 f
->output_data
.w32
->asked_for_visible
= 1;
5913 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5914 causes unexpected behavior when unminimizing frames that were
5915 previously maximized. But only SW_SHOWNORMAL works properly for
5916 frames that were truely hidden (using make-frame-invisible), so
5917 we need it to avoid Bug#5482. It seems that iconified is only
5918 set for minimized windows that are still visible, so use that to
5919 determine the appropriate flag to pass ShowWindow. */
5920 my_show_window (f
, FRAME_W32_WINDOW (f
),
5921 FRAME_ICONIFIED_P (f
) ? SW_RESTORE
: SW_SHOWNORMAL
);
5924 /* Synchronize to ensure Emacs knows the frame is visible
5925 before we do anything else. We do this loop with input not blocked
5926 so that incoming events are handled. */
5931 /* This must come after we set COUNT. */
5934 XSETFRAME (frame
, f
);
5936 /* Wait until the frame is visible. Process X events until a
5937 MapNotify event has been seen, or until we think we won't get a
5938 MapNotify at all.. */
5939 for (count
= input_signal_count
+ 10;
5940 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5942 /* Force processing of queued events. */
5943 /* TODO: x_sync equivalent? */
5945 /* Machines that do polling rather than SIGIO have been observed
5946 to go into a busy-wait here. So we'll fake an alarm signal
5947 to let the handler know that there's something to be read.
5948 We used to raise a real alarm, but it seems that the handler
5949 isn't always enabled here. This is probably a bug. */
5950 if (input_polling_used ())
5952 /* It could be confusing if a real alarm arrives while processing
5953 the fake one. Turn it off and let the handler reset it. */
5954 int old_poll_suppress_count
= poll_suppress_count
;
5955 poll_suppress_count
= 1;
5956 poll_for_input_1 ();
5957 poll_suppress_count
= old_poll_suppress_count
;
5963 /* Change from mapped state to withdrawn state. */
5965 /* Make the frame visible (mapped and not iconified). */
5968 x_make_frame_invisible (struct frame
*f
)
5970 /* Don't keep the highlight on an invisible frame. */
5971 if (FRAME_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5972 FRAME_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5976 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5978 /* We can't distinguish this from iconification
5979 just by the event that we get from the server.
5980 So we can't win using the usual strategy of letting
5981 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5982 and synchronize with the server to make sure we agree. */
5983 SET_FRAME_VISIBLE (f
, 0);
5984 SET_FRAME_ICONIFIED (f
, 0);
5989 /* Change window state from mapped to iconified. */
5992 x_iconify_frame (struct frame
*f
)
5994 /* Don't keep the highlight on an invisible frame. */
5995 if (FRAME_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5996 FRAME_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5998 if (FRAME_ICONIFIED_P (f
))
6003 x_set_bitmap_icon (f
);
6005 /* Simulate the user minimizing the frame. */
6006 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
6008 SET_FRAME_VISIBLE (f
, 0);
6009 SET_FRAME_ICONIFIED (f
, 1);
6015 /* Free X resources of frame F. */
6018 x_free_frame_resources (struct frame
*f
)
6020 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
6021 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
6025 /* We must free faces before destroying windows because some
6026 font-driver (e.g. xft) access a window while finishing a
6028 if (FRAME_FACE_CACHE (f
))
6029 free_frame_faces (f
);
6031 if (FRAME_W32_WINDOW (f
))
6032 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
6034 free_frame_menubar (f
);
6036 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
6037 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
6038 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
6039 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
6040 unload_color (f
, f
->output_data
.w32
->border_pixel
);
6041 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
6042 if (f
->output_data
.w32
->white_relief
.allocated_p
)
6043 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
6044 if (f
->output_data
.w32
->black_relief
.allocated_p
)
6045 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
6047 if (FRAME_FACE_CACHE (f
))
6048 free_frame_faces (f
);
6050 xfree (f
->output_data
.w32
);
6051 f
->output_data
.w32
= NULL
;
6053 if (f
== dpyinfo
->w32_focus_frame
)
6054 dpyinfo
->w32_focus_frame
= 0;
6055 if (f
== dpyinfo
->w32_focus_event_frame
)
6056 dpyinfo
->w32_focus_event_frame
= 0;
6057 if (f
== dpyinfo
->x_highlight_frame
)
6058 dpyinfo
->x_highlight_frame
= 0;
6059 if (f
== hlinfo
->mouse_face_mouse_frame
)
6060 reset_mouse_highlight (hlinfo
);
6066 /* Destroy the window of frame F. */
6068 x_destroy_window (struct frame
*f
)
6070 struct w32_display_info
*dpyinfo
= FRAME_DISPLAY_INFO (f
);
6072 x_free_frame_resources (f
);
6073 dpyinfo
->reference_count
--;
6077 /* Setting window manager hints. */
6079 /* Set the normal size hints for the window manager, for frame F.
6080 FLAGS is the flags word to use--or 0 meaning preserve the flags
6081 that the window now has.
6082 If USER_POSITION, set the USPosition
6083 flag (this is useful when FLAGS is 0). */
6085 x_wm_set_size_hint (struct frame
*f
, long flags
, bool user_position
)
6087 Window window
= FRAME_W32_WINDOW (f
);
6091 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
6092 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
6093 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
6094 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
6099 /***********************************************************************
6101 ***********************************************************************/
6105 /* Check that FONT is valid on frame F. It is if it can be found in F's
6109 x_check_font (struct frame
*f
, struct font
*font
)
6111 eassert (font
!= NULL
&& ! NILP (font
->props
[FONT_TYPE_INDEX
]));
6112 if (font
->driver
->check
)
6113 eassert (font
->driver
->check (f
, font
) == 0);
6116 #endif /* GLYPH_DEBUG */
6120 /***********************************************************************
6122 ***********************************************************************/
6124 static int w32_initialized
= 0;
6127 w32_initialize_display_info (Lisp_Object display_name
)
6129 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6131 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
6133 /* Put it on w32_display_name_list. */
6134 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6135 w32_display_name_list
);
6136 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6138 dpyinfo
->w32_id_name
= xmalloc (SCHARS (Vinvocation_name
)
6139 + SCHARS (Vsystem_name
) + 2);
6140 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6141 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6143 /* Default Console mode values - overridden when running in GUI mode
6144 with values obtained from system metrics. */
6147 dpyinfo
->n_planes
= 1;
6148 dpyinfo
->n_cbits
= 4;
6149 dpyinfo
->n_fonts
= 0;
6150 dpyinfo
->smallest_font_height
= 1;
6151 dpyinfo
->smallest_char_width
= 1;
6152 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6153 /* TODO: dpyinfo->gray */
6155 reset_mouse_highlight (&dpyinfo
->mouse_highlight
);
6158 /* Create an xrdb-style database of resources to supersede registry settings.
6159 The database is just a concatenation of C strings, finished by an additional
6160 \0. The strings are submitted to some basic normalization, so
6162 [ *]option[ *]:[ *]value...
6168 but any whitespace following value is not removed. */
6171 w32_make_rdb (char *xrm_option
)
6173 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6174 char *current
= buffer
;
6177 int before_value
= 0;
6191 if (in_option
&& (ch
== ':'))
6196 else if (before_value
)
6201 else if (!(in_option
|| before_value
))
6212 extern frame_parm_handler w32_frame_parm_handlers
[];
6214 static struct redisplay_interface w32_redisplay_interface
=
6216 w32_frame_parm_handlers
,
6220 x_clear_end_of_line
,
6222 x_after_update_window_line
,
6223 x_update_window_begin
,
6224 x_update_window_end
,
6225 0, /* flush_display */
6226 x_clear_window_mouse_face
,
6227 x_get_glyph_overhangs
,
6228 x_fix_overlapping_area
,
6229 w32_draw_fringe_bitmap
,
6230 w32_define_fringe_bitmap
,
6231 w32_destroy_fringe_bitmap
,
6232 w32_compute_glyph_string_overhangs
,
6233 x_draw_glyph_string
,
6234 w32_define_frame_cursor
,
6235 w32_clear_frame_area
,
6236 w32_draw_window_cursor
,
6237 w32_draw_vertical_window_border
,
6238 w32_shift_glyphs_for_insert
6241 static void x_delete_terminal (struct terminal
*term
);
6243 static struct terminal
*
6244 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6246 struct terminal
*terminal
;
6248 terminal
= create_terminal ();
6250 terminal
->type
= output_w32
;
6251 terminal
->display_info
.w32
= dpyinfo
;
6252 dpyinfo
->terminal
= terminal
;
6254 /* MSVC does not type K&R functions with no arguments correctly, and
6255 so we must explicitly cast them. */
6256 terminal
->clear_frame_hook
= x_clear_frame
;
6257 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6258 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6259 terminal
->ring_bell_hook
= w32_ring_bell
;
6260 terminal
->reset_terminal_modes_hook
= NULL
;
6261 terminal
->set_terminal_modes_hook
= NULL
;
6262 terminal
->update_begin_hook
= x_update_begin
;
6263 terminal
->update_end_hook
= x_update_end
;
6264 terminal
->set_terminal_window_hook
= NULL
;
6265 terminal
->read_socket_hook
= w32_read_socket
;
6266 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6267 terminal
->mouse_position_hook
= w32_mouse_position
;
6268 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6269 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6270 terminal
->fullscreen_hook
= w32fullscreen_hook
;
6271 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6272 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6273 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6274 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6276 terminal
->delete_frame_hook
= x_destroy_window
;
6277 terminal
->delete_terminal_hook
= x_delete_terminal
;
6279 terminal
->rif
= &w32_redisplay_interface
;
6280 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6281 terminal
->char_ins_del_ok
= 1;
6282 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6283 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6284 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6287 /* We don't yet support separate terminals on W32, so don't try to share
6288 keyboards between virtual terminals that are on the same physical
6289 terminal like X does. */
6290 terminal
->kboard
= xmalloc (sizeof (KBOARD
));
6291 init_kboard (terminal
->kboard
);
6292 kset_window_system (terminal
->kboard
, Qw32
);
6293 terminal
->kboard
->next_kboard
= all_kboards
;
6294 all_kboards
= terminal
->kboard
;
6295 /* Don't let the initial kboard remain current longer than necessary.
6296 That would cause problems if a file loaded on startup tries to
6297 prompt in the mini-buffer. */
6298 if (current_kboard
== initial_kboard
)
6299 current_kboard
= terminal
->kboard
;
6300 terminal
->kboard
->reference_count
++;
6306 x_delete_terminal (struct terminal
*terminal
)
6308 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6310 /* Protect against recursive calls. delete_frame in
6311 delete_terminal calls us back when it deletes our last frame. */
6312 if (!terminal
->name
)
6317 x_delete_display (dpyinfo
);
6321 struct w32_display_info
*
6322 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6324 struct w32_display_info
*dpyinfo
;
6325 struct terminal
*terminal
;
6330 if (!w32_initialized
)
6333 w32_initialized
= 1;
6336 w32_initialize_display_info (display_name
);
6338 dpyinfo
= &one_w32_display_info
;
6339 terminal
= w32_create_terminal (dpyinfo
);
6341 /* Set the name of the terminal. */
6342 terminal
->name
= xlispstrdup (display_name
);
6344 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6346 /* Put this display on the chain. */
6347 dpyinfo
->next
= x_display_list
;
6348 x_display_list
= dpyinfo
;
6352 dpyinfo
->root_window
= GetDesktopWindow ();
6353 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6354 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6355 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6356 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6357 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6358 ReleaseDC (NULL
, hdc
);
6360 /* initialize palette with white and black */
6363 w32_defined_color (0, "white", &color
, 1);
6364 w32_defined_color (0, "black", &color
, 1);
6368 /* Add the default keyboard. When !WINDOWSNT, we're using the
6369 standard Emacs console handling machinery and don't need an
6370 explicit FD here. */
6371 add_keyboard_wait_descriptor (0);
6373 /* /dev/windows wakes us up when we have a thread message pending. */
6374 add_keyboard_wait_descriptor (w32_message_fd
);
6377 /* Create Fringe Bitmaps and store them for later use.
6379 On W32, bitmaps are all unsigned short, as Windows requires
6380 bitmap data to be Word aligned. For some reason they are
6381 horizontally reflected compared to how they appear on X, so we
6382 need to bitswap and convert to unsigned shorts before creating
6384 w32_init_fringe (terminal
->rif
);
6391 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6393 x_delete_display (struct w32_display_info
*dpyinfo
)
6395 /* Discard this display from w32_display_name_list and w32_display_list.
6396 We can't use Fdelq because that can quit. */
6397 if (! NILP (w32_display_name_list
)
6398 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6399 w32_display_name_list
= XCDR (w32_display_name_list
);
6404 tail
= w32_display_name_list
;
6405 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6407 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6409 XSETCDR (tail
, XCDR (XCDR (tail
)));
6416 /* free palette table */
6418 struct w32_palette_entry
* plist
;
6420 plist
= dpyinfo
->color_list
;
6423 struct w32_palette_entry
* pentry
= plist
;
6424 plist
= plist
->next
;
6427 dpyinfo
->color_list
= NULL
;
6428 if (dpyinfo
->palette
)
6429 DeleteObject (dpyinfo
->palette
);
6431 xfree (dpyinfo
->w32_id_name
);
6433 w32_reset_fringes ();
6437 /* Set up use of W32. */
6439 DWORD WINAPI
w32_msg_worker (void * arg
);
6442 w32_initialize (void)
6445 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6449 w32_system_caret_hwnd
= NULL
;
6450 w32_system_caret_height
= 0;
6451 w32_system_caret_x
= 0;
6452 w32_system_caret_y
= 0;
6454 /* On Windows 7 and later, we need to set the user model ID
6455 to associate emacsclient launched files with Emacs frames
6457 shell
= GetModuleHandle ("shell32.dll");
6461 = (void *) GetProcAddress (shell
,
6462 "SetCurrentProcessExplicitAppUserModelID");
6464 /* If the function is defined, then we are running on Windows 7
6465 or newer, and the UI uses this to group related windows
6466 together. Since emacs, runemacs, emacsclient are related, we
6467 want them grouped even though the executables are different,
6468 so we need to set a consistent ID between them. */
6470 set_user_model (L
"GNU.Emacs");
6474 if ((w32_message_fd
= emacs_open ("/dev/windows", O_RDWR
, 0)) == -1)
6475 fatal ("opening /dev/windows: %s", strerror (errno
));
6478 /* Initialize w32_use_visible_system_caret based on whether a screen
6479 reader is in use. */
6480 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6481 &w32_use_visible_system_caret
, 0))
6482 w32_use_visible_system_caret
= 0;
6484 last_tool_bar_item
= -1;
6485 any_help_event_p
= 0;
6487 /* Initialize input mode: interrupt_input off, no flow control, allow
6488 8 bit character input, standard quit char. */
6489 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6492 DWORD input_locale_id
= ((DWORD_PTR
) GetKeyboardLayout (0) & 0xffffffff);
6493 w32_keyboard_codepage
=
6494 codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6497 /* Create the window thread - it will terminate itself when the app
6501 dwMainThreadId
= GetCurrentThreadId ();
6502 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6503 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6505 /* Wait for thread to start */
6509 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6511 hWindowsThread
= CreateThread (NULL
, 0,
6513 0, 0, &dwWindowsThreadId
);
6515 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6518 /* It is desirable that mainThread should have the same notion of
6519 focus window and active window as windowsThread. Unfortunately, the
6520 following call to AttachThreadInput, which should do precisely what
6521 we need, causes major problems when Emacs is linked as a console
6522 program. Unfortunately, we have good reasons for doing that, so
6523 instead we need to send messages to windowsThread to make some API
6524 calls for us (ones that affect, or depend on, the active/focus
6526 #ifdef ATTACH_THREADS
6527 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6530 /* Dynamically link to optional system components. */
6532 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6534 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6536 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6540 /* Ensure scrollbar handle is at least 5 pixels. */
6541 vertical_scroll_bar_min_handle
= 5;
6543 /* For either kind of scroll bar, take account of the arrows; these
6544 effectively form the border of the main scroll bar range. */
6545 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6546 = GetSystemMetrics (SM_CYVSCROLL
);
6551 syms_of_w32term (void)
6553 staticpro (&w32_display_name_list
);
6554 w32_display_name_list
= Qnil
;
6556 staticpro (&last_mouse_scroll_bar
);
6557 last_mouse_scroll_bar
= Qnil
;
6559 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6561 DEFSYM (Qadded
, "added");
6562 DEFSYM (Qremoved
, "removed");
6563 DEFSYM (Qmodified
, "modified");
6564 DEFSYM (Qrenamed_from
, "renamed-from");
6565 DEFSYM (Qrenamed_to
, "renamed-to");
6567 DEFVAR_INT ("w32-num-mouse-buttons",
6568 w32_num_mouse_buttons
,
6569 doc
: /* Number of physical mouse buttons. */);
6570 w32_num_mouse_buttons
= 2;
6572 DEFVAR_LISP ("w32-swap-mouse-buttons",
6573 Vw32_swap_mouse_buttons
,
6574 doc
: /* Swap the mapping of middle and right mouse buttons.
6575 When nil, middle button is mouse-2 and right button is mouse-3. */);
6576 Vw32_swap_mouse_buttons
= Qnil
;
6578 DEFVAR_LISP ("w32-grab-focus-on-raise",
6579 Vw32_grab_focus_on_raise
,
6580 doc
: /* Raised frame grabs input focus.
6581 When t, `raise-frame' grabs input focus as well. This fits well
6582 with the normal Windows click-to-focus policy, but might not be
6583 desirable when using a point-to-focus policy. */);
6584 Vw32_grab_focus_on_raise
= Qt
;
6586 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6587 Vw32_capslock_is_shiftlock
,
6588 doc
: /* Apply CapsLock state to non character input keys.
6589 When nil, CapsLock only affects normal character input keys. */);
6590 Vw32_capslock_is_shiftlock
= Qnil
;
6592 DEFVAR_LISP ("w32-recognize-altgr",
6593 Vw32_recognize_altgr
,
6594 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6595 When nil, the right-alt and left-ctrl key combination is
6596 interpreted normally. */);
6597 Vw32_recognize_altgr
= Qt
;
6599 DEFVAR_BOOL ("w32-use-visible-system-caret",
6600 w32_use_visible_system_caret
,
6601 doc
: /* Flag to make the system caret visible.
6602 When this is non-nil, Emacs will indicate the position of point by
6603 using the system caret instead of drawing its own cursor. Some screen
6604 reader software does not track the system cursor properly when it is
6605 invisible, and gets confused by Emacs drawing its own cursor, so this
6606 variable is initialized to t when Emacs detects that screen reader
6607 software is running as it starts up.
6609 When this variable is set, other variables affecting the appearance of
6610 the cursor have no effect. */);
6612 w32_use_visible_system_caret
= 0;
6614 /* We don't yet support this, but defining this here avoids whining
6615 from cus-start.el and other places, like "M-x set-variable". */
6616 DEFVAR_BOOL ("x-use-underline-position-properties",
6617 x_use_underline_position_properties
,
6618 doc
: /* Non-nil means make use of UNDERLINE_POSITION font properties.
6619 A value of nil means ignore them. If you encounter fonts with bogus
6620 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6621 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6622 to override the font's UNDERLINE_POSITION for small font display
6624 x_use_underline_position_properties
= 0;
6626 DEFVAR_BOOL ("x-underline-at-descent-line",
6627 x_underline_at_descent_line
,
6628 doc
: /* Non-nil means to draw the underline at the same place as the descent line.
6629 A value of nil means to draw the underline according to the value of the
6630 variable `x-use-underline-position-properties', which is usually at the
6631 baseline level. The default value is nil. */);
6632 x_underline_at_descent_line
= 0;
6634 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6635 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6636 A value of nil means Emacs doesn't use toolkit scroll bars.
6637 With the X Window system, the value is a symbol describing the
6638 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6639 With MS Windows or Nextstep, the value is t. */);
6640 Vx_toolkit_scroll_bars
= Qt
;
6642 /* Tell Emacs about this window system. */
6643 Fprovide (Qw32
, Qnil
);