1 /* Implementation of GUI terminal on the Microsoft W32 API.
3 Copyright (C) 1989, 1993-2011 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
25 #include "blockinput.h"
37 #include "character.h"
41 #include "dispextern.h"
43 #include "termhooks.h"
50 #include "intervals.h"
63 static int max_fringe_bmp
= 0;
64 static HBITMAP
*fringe_bmp
= 0;
66 /* Temporary variables for w32_read_socket. */
68 static int last_mousemove_x
= 0;
69 static int last_mousemove_y
= 0;
71 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
72 #ifndef GET_WHEEL_DELTA_WPARAM
73 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
76 /* Non-zero means that a HELP_EVENT has been generated since Emacs
79 static int any_help_event_p
;
81 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
82 static Lisp_Object last_window
;
84 extern unsigned int msh_mousewheel
;
86 extern void free_frame_menubar (struct frame
*);
88 extern int w32_codepage_for_font (char *fontname
);
89 extern Cursor
w32_load_cursor (LPCTSTR name
);
91 #define x_any_window_to_frame x_window_to_frame
92 #define x_top_window_to_frame x_window_to_frame
95 /* This is display since w32 does not support multiple ones. */
96 struct w32_display_info one_w32_display_info
;
97 struct w32_display_info
*x_display_list
;
99 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
100 one for each element of w32_display_list and in the same order.
101 NAME is the name of the frame.
102 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
103 Lisp_Object w32_display_name_list
;
107 /* Pre Windows 2000, this was not available, but define it here so
108 that Emacs compiled on such a platform will run on newer versions. */
110 typedef struct tagWCRANGE
116 typedef struct tagGLYPHSET
120 DWORD cGlyphsSupported
;
127 /* Dynamic linking to SetLayeredWindowAttribute (only since 2000). */
128 BOOL (WINAPI
*pfnSetLayeredWindowAttributes
) (HWND
, COLORREF
, BYTE
, DWORD
);
131 #define LWA_ALPHA 0x02
133 /* WS_EX_LAYERED is defined unconditionally by MingW, but only for W2K and
134 later targets by MSVC headers. */
135 #ifndef WS_EX_LAYERED
136 #define WS_EX_LAYERED 0x80000
139 /* This is a frame waiting to be autoraised, within w32_read_socket. */
140 struct frame
*pending_autoraise_frame
;
142 /* The handle of the frame that currently owns the system caret. */
143 HWND w32_system_caret_hwnd
;
144 int w32_system_caret_height
;
145 int w32_system_caret_x
;
146 int w32_system_caret_y
;
147 DWORD dwWindowsThreadId
= 0;
148 HANDLE hWindowsThread
= NULL
;
149 DWORD dwMainThreadId
= 0;
150 HANDLE hMainThread
= NULL
;
152 int vertical_scroll_bar_min_handle
;
153 int vertical_scroll_bar_top_border
;
154 int vertical_scroll_bar_bottom_border
;
156 int last_scroll_bar_drag_pos
;
158 /* Mouse movement. */
160 /* Where the mouse was last time we reported a mouse event. */
161 static RECT last_mouse_glyph
;
162 static FRAME_PTR last_mouse_glyph_frame
;
164 /* The scroll bar in which the last motion event occurred.
166 If the last motion event occurred in a scroll bar, we set this
167 so w32_mouse_position can know whether to report a scroll bar motion or
170 If the last motion event didn't occur in a scroll bar, we set this
171 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
172 static Lisp_Object last_mouse_scroll_bar
;
173 static int last_mouse_scroll_bar_pos
;
175 /* This is a hack. We would really prefer that w32_mouse_position would
176 return the time associated with the position it returns, but there
177 doesn't seem to be any way to wrest the time-stamp from the server
178 along with the position query. So, we just keep track of the time
179 of the last movement we received, and return that in hopes that
180 it's somewhat accurate. */
181 static Time last_mouse_movement_time
;
183 /* Incremented by w32_read_socket whenever it really tries to read
186 static int volatile input_signal_count
;
188 static int input_signal_count
;
191 /* Keyboard code page - may be changed by language-change events. */
192 static int keyboard_codepage
;
194 static void x_update_window_end (struct window
*, int, int);
195 static void w32_handle_tool_bar_click (struct frame
*,
196 struct input_event
*);
197 static void w32_define_cursor (Window
, Cursor
);
199 void x_lower_frame (struct frame
*);
200 void x_scroll_bar_clear (struct frame
*);
201 void x_wm_set_size_hint (struct frame
*, long, int);
202 void x_raise_frame (struct frame
*);
203 void x_set_window_size (struct frame
*, int, int, int);
204 void x_wm_set_window_state (struct frame
*, int);
205 void x_wm_set_icon_pixmap (struct frame
*, int);
206 static void w32_initialize (void);
207 static void x_update_end (struct frame
*);
208 static void w32_frame_up_to_date (struct frame
*);
209 static void w32_set_terminal_modes (struct terminal
*);
210 static void w32_reset_terminal_modes (struct terminal
*);
211 static void x_clear_frame (struct frame
*);
212 static void frame_highlight (struct frame
*);
213 static void frame_unhighlight (struct frame
*);
214 static void x_new_focus_frame (struct w32_display_info
*,
216 static void x_focus_changed (int, int, struct w32_display_info
*,
217 struct frame
*, struct input_event
*);
218 static void w32_detect_focus_change (struct w32_display_info
*,
219 W32Msg
*, struct input_event
*);
220 static void w32_frame_rehighlight (struct frame
*);
221 static void x_frame_rehighlight (struct w32_display_info
*);
222 static void x_draw_hollow_cursor (struct window
*, struct glyph_row
*);
223 static void x_draw_bar_cursor (struct window
*, struct glyph_row
*, int,
224 enum text_cursor_kinds
);
225 static void w32_clip_to_row (struct window
*, struct glyph_row
*, int, HDC
);
226 static BOOL
my_show_window (struct frame
*, HWND
, int);
227 static void my_set_window_pos (HWND
, HWND
, int, int, int, int, UINT
);
229 static void my_set_focus (struct frame
*, HWND
);
231 static void my_set_foreground_window (HWND
);
232 static void my_destroy_window (struct frame
*, HWND
);
234 static Lisp_Object Qvendor_specific_keysyms
;
237 /***********************************************************************
239 ***********************************************************************/
243 /* This is a function useful for recording debugging information about
244 the sequence of occurrences in this file. */
252 struct record event_record
[100];
254 int event_record_index
;
256 record_event (char *locus
, int type
)
258 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
259 event_record_index
= 0;
261 event_record
[event_record_index
].locus
= locus
;
262 event_record
[event_record_index
].type
= type
;
263 event_record_index
++;
270 XChangeGC (void *ignore
, XGCValues
*gc
, unsigned long mask
,
273 if (mask
& GCForeground
)
274 gc
->foreground
= xgcv
->foreground
;
275 if (mask
& GCBackground
)
276 gc
->background
= xgcv
->background
;
278 gc
->font
= xgcv
->font
;
282 XCreateGC (void *ignore
, Window window
, unsigned long mask
, XGCValues
*xgcv
)
284 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
285 memset (gc
, 0, sizeof (XGCValues
));
287 XChangeGC (ignore
, gc
, mask
, xgcv
);
293 XGetGCValues (void *ignore
, XGCValues
*gc
,
294 unsigned long mask
, XGCValues
*xgcv
)
296 XChangeGC (ignore
, xgcv
, mask
, gc
);
300 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
304 HRGN clip_region
= CreateRectRgnIndirect (rect
);
305 SelectClipRgn (hdc
, clip_region
);
306 DeleteObject (clip_region
);
309 SelectClipRgn (hdc
, NULL
);
313 /* Draw a hollow rectangle at the specified position. */
315 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
316 int width
, int height
)
321 hb
= CreateSolidBrush (gc
->background
);
322 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
323 oldhb
= SelectObject (hdc
, hb
);
324 oldhp
= SelectObject (hdc
, hp
);
326 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
328 SelectObject (hdc
, oldhb
);
329 SelectObject (hdc
, oldhp
);
334 /* Draw a filled rectangle at the specified position. */
336 w32_fill_rect (FRAME_PTR f
, HDC hdc
, COLORREF pix
, RECT
*lprect
)
340 hb
= CreateSolidBrush (pix
);
341 FillRect (hdc
, lprect
, hb
);
346 w32_clear_window (FRAME_PTR f
)
349 HDC hdc
= get_frame_dc (f
);
351 /* Under certain conditions, this can be called at startup with
352 a console frame pointer before the GUI frame is created. An HDC
353 of 0 indicates this. */
356 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
357 w32_clear_rect (f
, hdc
, &rect
);
360 release_frame_dc (f
, hdc
);
363 #define OPAQUE_FRAME 255
366 x_set_frame_alpha (struct frame
*f
)
368 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
370 double alpha_min
= 1.0;
373 HWND window
= FRAME_W32_WINDOW (f
);
375 /* Older versions of Windows do not support transparency. */
376 if (!pfnSetLayeredWindowAttributes
)
379 if (dpyinfo
->x_highlight_frame
== f
)
384 if (FLOATP (Vframe_alpha_lower_limit
))
385 alpha_min
= XFLOAT_DATA (Vframe_alpha_lower_limit
);
386 else if (INTEGERP (Vframe_alpha_lower_limit
))
387 alpha_min
= (XINT (Vframe_alpha_lower_limit
)) / 100.0;
391 else if (alpha
> 1.0)
393 else if (alpha
< alpha_min
&& alpha_min
<= 1.0)
396 opac
= alpha
* OPAQUE_FRAME
;
398 ex_style
= GetWindowLong (window
, GWL_EXSTYLE
);
400 if (opac
== OPAQUE_FRAME
)
401 ex_style
&= ~WS_EX_LAYERED
;
403 ex_style
|= WS_EX_LAYERED
;
405 SetWindowLong (window
, GWL_EXSTYLE
, ex_style
);
407 if (opac
!= OPAQUE_FRAME
)
408 pfnSetLayeredWindowAttributes (window
, 0, opac
, LWA_ALPHA
);
412 x_display_pixel_height (struct w32_display_info
*dpyinfo
)
414 HDC dc
= GetDC (NULL
);
415 int pixels
= GetDeviceCaps (dc
, VERTRES
);
416 ReleaseDC (NULL
, dc
);
421 x_display_pixel_width (struct w32_display_info
*dpyinfo
)
423 HDC dc
= GetDC (NULL
);
424 int pixels
= GetDeviceCaps (dc
, HORZRES
);
425 ReleaseDC (NULL
, dc
);
430 /***********************************************************************
431 Starting and ending an update
432 ***********************************************************************/
434 /* Start an update of frame F. This function is installed as a hook
435 for update_begin, i.e. it is called when update_begin is called.
436 This function is called prior to calls to x_update_window_begin for
437 each window being updated. */
440 x_update_begin (struct frame
*f
)
442 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
444 if (! FRAME_W32_P (f
))
447 /* Regenerate display palette before drawing if list of requested
448 colors has changed. */
449 if (display_info
->regen_palette
)
451 w32_regenerate_palette (f
);
452 display_info
->regen_palette
= FALSE
;
457 /* Start update of window W. Set the global variable updated_window
458 to the window being updated and set output_cursor to the cursor
462 x_update_window_begin (struct window
*w
)
464 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
465 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
467 /* Hide the system caret during an update. */
468 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
470 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
474 set_output_cursor (&w
->cursor
);
478 if (f
== hlinfo
->mouse_face_mouse_frame
)
480 /* Don't do highlighting for mouse motion during the update. */
481 hlinfo
->mouse_face_defer
= 1;
483 /* If F needs to be redrawn, simply forget about any prior mouse
485 if (FRAME_GARBAGED_P (f
))
486 hlinfo
->mouse_face_window
= Qnil
;
488 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
489 their mouse_face_p flag set, which means that they are always
490 unequal to rows in a desired matrix which never have that
491 flag set. So, rows containing mouse-face glyphs are never
492 scrolled, and we don't have to switch the mouse highlight off
493 here to prevent it from being scrolled. */
495 /* Can we tell that this update does not affect the window
496 where the mouse highlight is? If so, no need to turn off.
497 Likewise, don't do anything if the frame is garbaged;
498 in that case, the frame's current matrix that we would use
499 is all wrong, and we will redisplay that line anyway. */
500 if (!NILP (hlinfo
->mouse_face_window
)
501 && w
== XWINDOW (hlinfo
->mouse_face_window
))
505 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
506 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
509 if (i
< w
->desired_matrix
->nrows
)
510 clear_mouse_face (hlinfo
);
518 /* Draw a vertical window border from (x,y0) to (x,y1) */
521 w32_draw_vertical_window_border (struct window
*w
, int x
, int y0
, int y1
)
523 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
533 hdc
= get_frame_dc (f
);
534 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
536 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
538 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
540 release_frame_dc (f
, hdc
);
544 /* End update of window W (which is equal to updated_window).
546 Draw vertical borders between horizontally adjacent windows, and
547 display W's cursor if CURSOR_ON_P is non-zero.
549 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
550 glyphs in mouse-face were overwritten. In that case we have to
551 make sure that the mouse-highlight is properly redrawn.
553 W may be a menu bar pseudo-window in case we don't have X toolkit
554 support. Such windows don't have a cursor, so don't display it
558 x_update_window_end (struct window
*w
, int cursor_on_p
,
559 int mouse_face_overwritten_p
)
561 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (XFRAME (w
->frame
));
563 if (!w
->pseudo_window_p
)
568 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
570 output_cursor
.x
, output_cursor
.y
);
572 if (draw_window_fringes (w
, 1))
573 x_draw_vertical_border (w
);
578 /* If a row with mouse-face was overwritten, arrange for
579 XTframe_up_to_date to redisplay the mouse highlight. */
580 if (mouse_face_overwritten_p
)
582 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
583 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
584 hlinfo
->mouse_face_window
= Qnil
;
587 /* Unhide the caret. This won't actually show the cursor, unless it
588 was visible before the corresponding call to HideCaret in
589 x_update_window_begin. */
590 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
592 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
595 updated_window
= NULL
;
599 /* End update of frame F. This function is installed as a hook in
603 x_update_end (struct frame
*f
)
605 if (! FRAME_W32_P (f
))
608 /* Mouse highlight may be displayed again. */
609 MOUSE_HL_INFO (f
)->mouse_face_defer
= 0;
613 /* This function is called from various places in xdisp.c whenever a
614 complete update has been performed. The global variable
615 updated_window is not available here. */
618 w32_frame_up_to_date (struct frame
*f
)
622 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
624 if (hlinfo
->mouse_face_deferred_gc
625 || f
== hlinfo
->mouse_face_mouse_frame
)
628 if (hlinfo
->mouse_face_mouse_frame
)
629 note_mouse_highlight (hlinfo
->mouse_face_mouse_frame
,
630 hlinfo
->mouse_face_mouse_x
,
631 hlinfo
->mouse_face_mouse_y
);
632 hlinfo
->mouse_face_deferred_gc
= 0;
639 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
640 arrow bitmaps, or clear the fringes if no bitmaps are required
641 before DESIRED_ROW is made current. The window being updated is
642 found in updated_window. This function is called from
643 update_window_line only if it is known that there are differences
644 between bitmaps to be drawn between current row and DESIRED_ROW. */
647 x_after_update_window_line (struct glyph_row
*desired_row
)
649 struct window
*w
= updated_window
;
655 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
656 desired_row
->redraw_fringe_bitmaps_p
= 1;
658 /* When a window has disappeared, make sure that no rest of
659 full-width rows stays visible in the internal border. Could
660 check here if updated_window is the leftmost/rightmost window,
661 but I guess it's not worth doing since vertically split windows
662 are almost never used, internal border is rarely set, and the
663 overhead is very small. */
664 if (windows_or_buffers_changed
665 && desired_row
->full_width_p
666 && (f
= XFRAME (w
->frame
),
667 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
669 && (height
= desired_row
->visible_height
,
672 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
676 HDC hdc
= get_frame_dc (f
);
677 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
678 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
680 release_frame_dc (f
, hdc
);
687 /* Draw the bitmap WHICH in one of the left or right fringes of
688 window W. ROW is the glyph row for which to display the bitmap; it
689 determines the vertical position at which the bitmap has to be
693 w32_draw_fringe_bitmap (struct window
*w
, struct glyph_row
*row
,
694 struct draw_fringe_bitmap_params
*p
)
696 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
698 struct face
*face
= p
->face
;
700 hdc
= get_frame_dc (f
);
704 int bx
= p
->bx
, by
= p
->by
, nx
= p
->nx
, ny
= p
->ny
;
706 /* If the fringe is adjacent to the left (right) scroll bar of a
707 leftmost (rightmost, respectively) window, then extend its
708 background to the gap between the fringe and the bar. */
709 if ((WINDOW_LEFTMOST_P (w
)
710 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
711 || (WINDOW_RIGHTMOST_P (w
)
712 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
714 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
718 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
719 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
720 * FRAME_COLUMN_WIDTH (f
));
724 /* Bitmap fills the fringe. */
725 if (bar_area_x
+ bar_area_width
== p
->x
)
726 bx
= bar_area_x
+ sb_width
;
727 else if (p
->x
+ p
->wd
== bar_area_x
)
731 int header_line_height
= WINDOW_HEADER_LINE_HEIGHT (w
);
733 nx
= bar_area_width
- sb_width
;
734 by
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (header_line_height
,
736 ny
= row
->visible_height
;
741 if (bar_area_x
+ bar_area_width
== bx
)
743 bx
= bar_area_x
+ sb_width
;
744 nx
+= bar_area_width
- sb_width
;
746 else if (bx
+ nx
== bar_area_x
)
747 nx
+= bar_area_width
- sb_width
;
752 if (bx
>= 0 && nx
> 0)
753 w32_fill_area (f
, hdc
, face
->background
, bx
, by
, nx
, ny
);
756 /* Must clip because of partially visible lines. */
757 w32_clip_to_row (w
, row
, -1, hdc
);
759 if (p
->which
&& p
->which
< max_fringe_bmp
)
761 HBITMAP pixmap
= fringe_bmp
[p
->which
];
765 compat_hdc
= CreateCompatibleDC (hdc
);
769 horig_obj
= SelectObject (compat_hdc
, pixmap
);
771 /* Paint overlays transparently. */
774 HBRUSH h_brush
, h_orig_brush
;
776 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
777 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
778 h_brush
= CreateSolidBrush (face
->foreground
);
779 h_orig_brush
= SelectObject (hdc
, h_brush
);
781 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
782 compat_hdc
, 0, p
->dh
,
784 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
785 compat_hdc
, 0, p
->dh
,
787 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
788 compat_hdc
, 0, p
->dh
,
791 SelectObject (hdc
, h_orig_brush
);
792 DeleteObject (h_brush
);
796 SetTextColor (hdc
, face
->background
);
797 SetBkColor (hdc
, (p
->cursor_p
798 ? f
->output_data
.w32
->cursor_pixel
799 : face
->foreground
));
801 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
802 compat_hdc
, 0, p
->dh
,
806 SelectObject (compat_hdc
, horig_obj
);
807 DeleteDC (compat_hdc
);
811 w32_set_clip_rectangle (hdc
, NULL
);
813 release_frame_dc (f
, hdc
);
817 w32_define_fringe_bitmap (int which
, unsigned short *bits
, int h
, int wd
)
819 if (which
>= max_fringe_bmp
)
821 int i
= max_fringe_bmp
;
822 max_fringe_bmp
= which
+ 20;
823 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
824 while (i
< max_fringe_bmp
)
828 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
832 w32_destroy_fringe_bitmap (int which
)
834 if (which
>= max_fringe_bmp
)
837 if (fringe_bmp
[which
])
838 DeleteObject (fringe_bmp
[which
]);
839 fringe_bmp
[which
] = 0;
844 /* This is called when starting Emacs and when restarting after
845 suspend. When starting Emacs, no window is mapped. And nothing
846 must be done to Emacs's own window if it is suspended (though that
850 w32_set_terminal_modes (struct terminal
*term
)
854 /* This is called when exiting or suspending Emacs. Exiting will make
855 the W32 windows go away, and suspending requires no action. */
858 w32_reset_terminal_modes (struct terminal
*term
)
864 /***********************************************************************
866 ***********************************************************************/
868 /* Function prototypes of this page. */
870 static void x_set_glyph_string_clipping (struct glyph_string
*);
871 static void x_set_glyph_string_gc (struct glyph_string
*);
872 static void x_draw_glyph_string_background (struct glyph_string
*,
874 static void x_draw_glyph_string_foreground (struct glyph_string
*);
875 static void x_draw_composite_glyph_string_foreground (struct glyph_string
*);
876 static void x_draw_glyph_string_box (struct glyph_string
*);
877 static void x_draw_glyph_string (struct glyph_string
*);
878 static void x_set_cursor_gc (struct glyph_string
*);
879 static void x_set_mode_line_face_gc (struct glyph_string
*);
880 static void x_set_mouse_face_gc (struct glyph_string
*);
881 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
882 static void w32_setup_relief_color (struct frame
*, struct relief
*,
883 double, int, COLORREF
);
884 static void x_setup_relief_colors (struct glyph_string
*);
885 static void x_draw_image_glyph_string (struct glyph_string
*);
886 static void x_draw_image_relief (struct glyph_string
*);
887 static void x_draw_image_foreground (struct glyph_string
*);
888 static void w32_draw_image_foreground_1 (struct glyph_string
*, HBITMAP
);
889 static void x_clear_glyph_string_rect (struct glyph_string
*, int,
891 static void w32_draw_relief_rect (struct frame
*, int, int, int, int,
892 int, int, int, int, int, int,
894 static void w32_draw_box_rect (struct glyph_string
*, int, int, int, int,
895 int, int, int, RECT
*);
898 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
902 x_set_cursor_gc (struct glyph_string
*s
)
904 if (s
->font
== FRAME_FONT (s
->f
)
905 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
906 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
908 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
911 /* Cursor on non-default face: must merge. */
915 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
916 xgcv
.foreground
= s
->face
->background
;
918 /* If the glyph would be invisible, try a different foreground. */
919 if (xgcv
.foreground
== xgcv
.background
)
920 xgcv
.foreground
= s
->face
->foreground
;
921 if (xgcv
.foreground
== xgcv
.background
)
922 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
923 if (xgcv
.foreground
== xgcv
.background
)
924 xgcv
.foreground
= s
->face
->foreground
;
926 /* Make sure the cursor is distinct from text in this face. */
927 if (xgcv
.background
== s
->face
->background
928 && xgcv
.foreground
== s
->face
->foreground
)
930 xgcv
.background
= s
->face
->foreground
;
931 xgcv
.foreground
= s
->face
->background
;
934 IF_DEBUG (x_check_font (s
->f
, s
->font
));
936 mask
= GCForeground
| GCBackground
| GCFont
;
938 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
939 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
942 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
943 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
945 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
950 /* Set up S->gc of glyph string S for drawing text in mouse face. */
953 x_set_mouse_face_gc (struct glyph_string
*s
)
958 /* What face has to be used last for the mouse face? */
959 face_id
= MOUSE_HL_INFO (s
->f
)->mouse_face_face_id
;
960 face
= FACE_FROM_ID (s
->f
, face_id
);
962 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
964 if (s
->first_glyph
->type
== CHAR_GLYPH
)
965 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
, -1, Qnil
);
967 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0, -1, Qnil
);
968 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
969 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
971 /* If font in this face is same as S->font, use it. */
972 if (s
->font
== s
->face
->font
)
976 /* Otherwise construct scratch_cursor_gc with values from FACE
981 xgcv
.background
= s
->face
->background
;
982 xgcv
.foreground
= s
->face
->foreground
;
983 IF_DEBUG (x_check_font (s
->f
, s
->font
));
985 mask
= GCForeground
| GCBackground
| GCFont
;
987 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
988 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
991 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
992 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
994 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
997 xassert (s
->gc
!= 0);
1001 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1002 Faces to use in the mode line have already been computed when the
1003 matrix was built, so there isn't much to do, here. */
1006 x_set_mode_line_face_gc (struct glyph_string
*s
)
1008 s
->gc
= s
->face
->gc
;
1012 /* Set S->gc of glyph string S for drawing that glyph string. Set
1013 S->stippled_p to a non-zero value if the face of S has a stipple
1017 x_set_glyph_string_gc (struct glyph_string
*s
)
1019 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1021 if (s
->hl
== DRAW_NORMAL_TEXT
)
1023 s
->gc
= s
->face
->gc
;
1024 s
->stippled_p
= s
->face
->stipple
!= 0;
1026 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1028 x_set_mode_line_face_gc (s
);
1029 s
->stippled_p
= s
->face
->stipple
!= 0;
1031 else if (s
->hl
== DRAW_CURSOR
)
1033 x_set_cursor_gc (s
);
1036 else if (s
->hl
== DRAW_MOUSE_FACE
)
1038 x_set_mouse_face_gc (s
);
1039 s
->stippled_p
= s
->face
->stipple
!= 0;
1041 else if (s
->hl
== DRAW_IMAGE_RAISED
1042 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1044 s
->gc
= s
->face
->gc
;
1045 s
->stippled_p
= s
->face
->stipple
!= 0;
1049 s
->gc
= s
->face
->gc
;
1050 s
->stippled_p
= s
->face
->stipple
!= 0;
1053 /* GC must have been set. */
1054 xassert (s
->gc
!= 0);
1058 /* Set clipping for output of glyph string S. S may be part of a mode
1059 line or menu if we don't have X toolkit support. */
1062 x_set_glyph_string_clipping (struct glyph_string
*s
)
1065 int n
= get_glyph_string_clip_rects (s
, r
, 2);
1068 w32_set_clip_rectangle (s
->hdc
, r
);
1071 HRGN clip1
= CreateRectRgnIndirect (r
);
1072 HRGN clip2
= CreateRectRgnIndirect (r
+ 1);
1073 if (CombineRgn (clip1
, clip1
, clip2
, RGN_OR
) != ERROR
)
1074 SelectClipRgn (s
->hdc
, clip1
);
1075 DeleteObject (clip1
);
1076 DeleteObject (clip2
);
1081 /* Set SRC's clipping for output of glyph string DST. This is called
1082 when we are drawing DST's left_overhang or right_overhang only in
1086 x_set_glyph_string_clipping_exactly (struct glyph_string
*src
,
1087 struct glyph_string
*dst
)
1092 r
.right
= r
.left
+ src
->width
;
1094 r
.bottom
= r
.top
+ src
->height
;
1097 w32_set_clip_rectangle (dst
->hdc
, &r
);
1101 Compute left and right overhang of glyph string S. */
1104 w32_compute_glyph_string_overhangs (struct glyph_string
*s
)
1107 && s
->first_glyph
->type
== CHAR_GLYPH
1108 && !s
->font_not_found_p
)
1110 unsigned *code
= alloca (sizeof (unsigned) * s
->nchars
);
1111 struct font
*font
= s
->font
;
1112 struct font_metrics metrics
;
1115 for (i
= 0; i
< s
->nchars
; i
++)
1116 code
[i
] = s
->char2b
[i
];
1117 font
->driver
->text_extents (font
, code
, s
->nchars
, &metrics
);
1118 s
->right_overhang
= (metrics
.rbearing
> metrics
.width
1119 ? metrics
.rbearing
- metrics
.width
: 0);
1120 s
->left_overhang
= metrics
.lbearing
< 0 ? -metrics
.lbearing
: 0;
1124 s
->right_overhang
= s
->cmp
->rbearing
- s
->cmp
->pixel_width
;
1125 s
->left_overhang
= -s
->cmp
->lbearing
;
1129 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1132 x_clear_glyph_string_rect (struct glyph_string
*s
,
1133 int x
, int y
, int w
, int h
)
1140 /* Take clipping into account. */
1141 if (s
->gc
->clip_mask
== Rect
)
1143 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1144 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1145 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1146 - s
->gc
->clip_rectangle
.left
);
1147 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1148 - s
->gc
->clip_rectangle
.top
);
1151 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1156 /* Draw the background of glyph_string S. If S->background_filled_p
1157 is non-zero don't draw it. FORCE_P non-zero means draw the
1158 background even if it wouldn't be drawn normally. This is used
1159 when a string preceding S draws into the background of S, or S
1160 contains the first component of a composition. */
1163 x_draw_glyph_string_background (struct glyph_string
*s
, int force_p
)
1165 /* Nothing to do if background has already been drawn or if it
1166 shouldn't be drawn in the first place. */
1167 if (!s
->background_filled_p
)
1169 int box_line_width
= max (s
->face
->box_line_width
, 0);
1171 #if 0 /* TODO: stipple */
1174 /* Fill background with a stipple pattern. */
1175 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1176 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1177 s
->y
+ box_line_width
,
1178 s
->background_width
,
1179 s
->height
- 2 * box_line_width
);
1180 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1181 s
->background_filled_p
= 1;
1185 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1186 || s
->font_not_found_p
1187 || s
->extends_to_end_of_line_p
1190 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1191 s
->background_width
,
1192 s
->height
- 2 * box_line_width
);
1193 s
->background_filled_p
= 1;
1199 /* Draw the foreground of glyph string S. */
1202 x_draw_glyph_string_foreground (struct glyph_string
*s
)
1206 /* If first glyph of S has a left box line, start drawing the text
1207 of S to the right of that box line. */
1208 if (s
->face
->box
!= FACE_NO_BOX
1209 && s
->first_glyph
->left_box_line_p
)
1210 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1214 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1215 SetBkColor (s
->hdc
, s
->gc
->background
);
1216 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1218 /* Draw characters of S as rectangles if S's font could not be
1220 if (s
->font_not_found_p
)
1222 for (i
= 0; i
< s
->nchars
; ++i
)
1224 struct glyph
*g
= s
->first_glyph
+ i
;
1226 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1228 x
+= g
->pixel_width
;
1233 struct font
*font
= s
->font
;
1234 int boff
= font
->baseline_offset
;
1238 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1240 if (font
->vertical_centering
)
1241 boff
= VCENTER_BASELINE_OFFSET (font
, s
->f
) - boff
;
1243 y
= s
->ybase
- boff
;
1245 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1246 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 0);
1248 font
->driver
->draw (s
, 0, s
->nchars
, x
, y
, 1);
1249 if (s
->face
->overstrike
)
1250 font
->driver
->draw (s
, 0, s
->nchars
, x
+ 1, y
, 0);
1252 SelectObject (s
->hdc
, old_font
);
1256 /* Draw the foreground of composite glyph string S. */
1259 x_draw_composite_glyph_string_foreground (struct glyph_string
*s
)
1262 struct font
*font
= s
->font
;
1264 /* If first glyph of S has a left box line, start drawing the text
1265 of S to the right of that box line. */
1266 if (s
->face
&& s
->face
->box
!= FACE_NO_BOX
1267 && s
->first_glyph
->left_box_line_p
)
1268 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1272 /* S is a glyph string for a composition. S->cmp_from is the index
1273 of the first character drawn for glyphs of this composition.
1274 S->cmp_from == 0 means we are drawing the very first character of
1275 this composition. */
1277 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1278 SetBkColor (s
->hdc
, s
->gc
->background
);
1279 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1281 /* Draw a rectangle for the composition if the font for the very
1282 first character of the composition could not be loaded. */
1283 if (s
->font_not_found_p
)
1285 if (s
->cmp_from
== 0)
1286 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1289 else if (! s
->first_glyph
->u
.cmp
.automatic
)
1294 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1296 for (i
= 0, j
= s
->cmp_from
; i
< s
->nchars
; i
++, j
++)
1297 /* TAB in a composition means display glyphs with padding
1298 space on the left or right. */
1299 if (COMPOSITION_GLYPH (s
->cmp
, j
) != '\t')
1301 int xx
= x
+ s
->cmp
->offsets
[j
* 2];
1302 int yy
= y
- s
->cmp
->offsets
[j
* 2 + 1];
1304 font
->driver
->draw (s
, j
, j
+ 1, xx
, yy
, 0);
1305 if (s
->face
->overstrike
)
1306 font
->driver
->draw (s
, j
, j
+ 1, xx
+ 1, yy
, 0);
1308 SelectObject (s
->hdc
, old_font
);
1312 Lisp_Object gstring
= composition_gstring_from_id (s
->cmp_id
);
1318 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1320 for (i
= j
= s
->cmp_from
; i
< s
->cmp_to
; i
++)
1322 glyph
= LGSTRING_GLYPH (gstring
, i
);
1323 if (NILP (LGLYPH_ADJUSTMENT (glyph
)))
1324 width
+= LGLYPH_WIDTH (glyph
);
1327 int xoff
, yoff
, wadjust
;
1331 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1334 xoff
= LGLYPH_XOFF (glyph
);
1335 yoff
= LGLYPH_YOFF (glyph
);
1336 wadjust
= LGLYPH_WADJUST (glyph
);
1337 font
->driver
->draw (s
, i
, i
+ 1, x
+ xoff
, y
+ yoff
, 0);
1344 font
->driver
->draw (s
, j
, i
, x
, y
, 0);
1346 SelectObject (s
->hdc
, old_font
);
1351 /* Draw the foreground of glyph string S for glyphless characters. */
1354 x_draw_glyphless_glyph_string_foreground (struct glyph_string
*s
)
1356 struct glyph
*glyph
= s
->first_glyph
;
1359 int with_background
;
1361 /* If first glyph of S has a left box line, start drawing the text
1362 of S to the right of that box line. */
1363 if (s
->face
->box
!= FACE_NO_BOX
1364 && s
->first_glyph
->left_box_line_p
)
1365 x
= s
->x
+ eabs (s
->face
->box_line_width
);
1369 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1370 SetBkColor (s
->hdc
, s
->gc
->background
);
1371 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1374 with_background
= ! (s
->for_overlaps
1375 || (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
));
1376 for (i
= 0; i
< s
->nchars
; i
++, glyph
++)
1378 char buf
[7], *str
= NULL
;
1379 int len
= glyph
->u
.glyphless
.len
;
1381 if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_ACRONYM
)
1384 && CHAR_TABLE_P (Vglyphless_char_display
)
1385 && (CHAR_TABLE_EXTRA_SLOTS (XCHAR_TABLE (Vglyphless_char_display
))
1389 = (! glyph
->u
.glyphless
.for_no_font
1390 ? CHAR_TABLE_REF (Vglyphless_char_display
,
1391 glyph
->u
.glyphless
.ch
)
1392 : XCHAR_TABLE (Vglyphless_char_display
)->extras
[0]);
1393 if (STRINGP (acronym
))
1394 str
= SSDATA (acronym
);
1397 else if (glyph
->u
.glyphless
.method
== GLYPHLESS_DISPLAY_HEX_CODE
)
1399 sprintf ((char *) buf
, "%0*X",
1400 glyph
->u
.glyphless
.ch
< 0x10000 ? 4 : 6,
1401 glyph
->u
.glyphless
.ch
);
1405 if (glyph
->u
.glyphless
.method
!= GLYPHLESS_DISPLAY_THIN_SPACE
)
1406 w32_draw_rectangle (s
->hdc
, s
->gc
,
1407 x
, s
->ybase
- glyph
->ascent
,
1408 glyph
->pixel_width
- 1,
1409 glyph
->ascent
+ glyph
->descent
- 1);
1412 struct font
*font
= s
->font
;
1413 int upper_len
= (len
+ 1) / 2;
1417 old_font
= SelectObject (s
->hdc
, FONT_HANDLE (font
));
1418 /* It is certain that all LEN characters in STR are ASCII. */
1419 for (j
= 0; j
< len
; j
++)
1421 code
= font
->driver
->encode_char (font
, str
[j
]);
1422 STORE_XCHAR2B (char2b
+ j
, code
>> 8, code
& 0xFF);
1424 font
->driver
->draw (s
, 0, upper_len
,
1425 x
+ glyph
->slice
.glyphless
.upper_xoff
,
1426 s
->ybase
+ glyph
->slice
.glyphless
.upper_yoff
,
1428 font
->driver
->draw (s
, upper_len
, len
,
1429 x
+ glyph
->slice
.glyphless
.lower_xoff
,
1430 s
->ybase
+ glyph
->slice
.glyphless
.lower_yoff
,
1432 SelectObject (s
->hdc
, old_font
);
1434 x
+= glyph
->pixel_width
;
1439 /* Brightness beyond which a color won't have its highlight brightness
1442 Nominally, highlight colors for `3d' faces are calculated by
1443 brightening an object's color by a constant scale factor, but this
1444 doesn't yield good results for dark colors, so for colors whose
1445 brightness is less than this value (on a scale of 0-255) have to
1446 use an additional additive factor.
1448 The value here is set so that the default menu-bar/mode-line color
1449 (grey75) will not have its highlights changed at all. */
1450 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1453 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1454 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1455 If this produces the same color as COLOR, try a color where all RGB
1456 values have DELTA added. Return the allocated color in *COLOR.
1457 DISPLAY is the X display, CMAP is the colormap to operate on.
1458 Value is non-zero if successful. */
1461 w32_alloc_lighter_color (struct frame
*f
, COLORREF
*color
,
1462 double factor
, int delta
)
1467 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1470 /* Change RGB values by specified FACTOR. Avoid overflow! */
1471 xassert (factor
>= 0);
1472 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1473 min (0xff, factor
* GetGValue (*color
)),
1474 min (0xff, factor
* GetBValue (*color
)));
1476 /* Calculate brightness of COLOR. */
1477 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1478 + GetBValue (*color
)) / 6;
1480 /* We only boost colors that are darker than
1481 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1482 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1483 /* Make an additive adjustment to NEW, because it's dark enough so
1484 that scaling by FACTOR alone isn't enough. */
1486 /* How far below the limit this color is (0 - 1, 1 being darker). */
1487 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1488 /* The additive adjustment. */
1489 int min_delta
= delta
* dimness
* factor
/ 2;
1492 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1493 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1494 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1496 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1497 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1498 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1502 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1503 max (0, min (0xff, delta
+ GetGValue (*color
))),
1504 max (0, min (0xff, delta
+ GetBValue (*color
))));
1506 /* TODO: Map to palette and retry with delta if same? */
1507 /* TODO: Free colors (if using palette)? */
1517 /* On frame F, translate pixel colors to RGB values for the NCOLORS
1518 colors in COLORS. On W32, we no longer try to map colors to
1521 x_query_colors (struct frame
*f
, XColor
*colors
, int ncolors
)
1525 for (i
= 0; i
< ncolors
; i
++)
1527 DWORD pixel
= colors
[i
].pixel
;
1528 /* Convert to a 16 bit value in range 0 - 0xffff. */
1529 colors
[i
].red
= GetRValue (pixel
) * 257;
1530 colors
[i
].green
= GetGValue (pixel
) * 257;
1531 colors
[i
].blue
= GetBValue (pixel
) * 257;
1536 x_query_color (struct frame
*f
, XColor
*color
)
1538 x_query_colors (f
, color
, 1);
1542 /* Set up the foreground color for drawing relief lines of glyph
1543 string S. RELIEF is a pointer to a struct relief containing the GC
1544 with which lines will be drawn. Use a color that is FACTOR or
1545 DELTA lighter or darker than the relief's background which is found
1546 in S->f->output_data.x->relief_background. If such a color cannot
1547 be allocated, use DEFAULT_PIXEL, instead. */
1550 w32_setup_relief_color (struct frame
*f
, struct relief
*relief
, double factor
,
1551 int delta
, COLORREF default_pixel
)
1554 struct w32_output
*di
= f
->output_data
.w32
;
1555 unsigned long mask
= GCForeground
;
1557 COLORREF background
= di
->relief_background
;
1558 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1560 /* TODO: Free colors (if using palette)? */
1562 /* Allocate new color. */
1563 xgcv
.foreground
= default_pixel
;
1565 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1567 relief
->allocated_p
= 1;
1568 xgcv
.foreground
= relief
->pixel
= pixel
;
1571 if (relief
->gc
== 0)
1573 #if 0 /* TODO: stipple */
1574 xgcv
.stipple
= dpyinfo
->gray
;
1577 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1580 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1584 /* Set up colors for the relief lines around glyph string S. */
1587 x_setup_relief_colors (struct glyph_string
*s
)
1589 struct w32_output
*di
= s
->f
->output_data
.w32
;
1592 if (s
->face
->use_box_color_for_shadows_p
)
1593 color
= s
->face
->box_color
;
1594 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1596 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1597 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1599 color
= s
->gc
->background
;
1601 if (di
->white_relief
.gc
== 0
1602 || color
!= di
->relief_background
)
1604 di
->relief_background
= color
;
1605 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1606 WHITE_PIX_DEFAULT (s
->f
));
1607 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1608 BLACK_PIX_DEFAULT (s
->f
));
1613 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1614 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1615 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1616 relief. LEFT_P non-zero means draw a relief on the left side of
1617 the rectangle. RIGHT_P non-zero means draw a relief on the right
1618 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1622 w32_draw_relief_rect (struct frame
*f
,
1623 int left_x
, int top_y
, int right_x
, int bottom_y
,
1624 int width
, int raised_p
,
1625 int top_p
, int bot_p
, int left_p
, int right_p
,
1630 HDC hdc
= get_frame_dc (f
);
1633 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1635 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1637 w32_set_clip_rectangle (hdc
, clip_rect
);
1641 for (i
= 0; i
< width
; ++i
)
1642 w32_fill_area (f
, hdc
, gc
.foreground
,
1643 left_x
+ i
* left_p
, top_y
+ i
,
1644 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1648 for (i
= 0; i
< width
; ++i
)
1649 w32_fill_area (f
, hdc
, gc
.foreground
,
1650 left_x
+ i
, top_y
+ i
, 1,
1651 bottom_y
- top_y
- 2 * i
+ 1);
1654 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1656 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1660 for (i
= 0; i
< width
; ++i
)
1661 w32_fill_area (f
, hdc
, gc
.foreground
,
1662 left_x
+ i
* left_p
, bottom_y
- i
,
1663 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1667 for (i
= 0; i
< width
; ++i
)
1668 w32_fill_area (f
, hdc
, gc
.foreground
,
1669 right_x
- i
, top_y
+ i
+ 1, 1,
1670 bottom_y
- top_y
- 2 * i
- 1);
1672 w32_set_clip_rectangle (hdc
, NULL
);
1674 release_frame_dc (f
, hdc
);
1678 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1679 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1680 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1681 left side of the rectangle. RIGHT_P non-zero means draw a line
1682 on the right side of the rectangle. CLIP_RECT is the clipping
1683 rectangle to use when drawing. */
1686 w32_draw_box_rect (struct glyph_string
*s
,
1687 int left_x
, int top_y
, int right_x
, int bottom_y
, int width
,
1688 int left_p
, int right_p
, RECT
*clip_rect
)
1690 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1693 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1694 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1699 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1700 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1704 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1705 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1710 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1711 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1714 w32_set_clip_rectangle (s
->hdc
, NULL
);
1718 /* Draw a box around glyph string S. */
1721 x_draw_glyph_string_box (struct glyph_string
*s
)
1723 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1724 int left_p
, right_p
;
1725 struct glyph
*last_glyph
;
1728 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1729 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1730 : window_box_right (s
->w
, s
->area
));
1732 /* The glyph that may have a right box line. */
1733 last_glyph
= (s
->cmp
|| s
->img
1735 : s
->first_glyph
+ s
->nchars
- 1);
1737 width
= eabs (s
->face
->box_line_width
);
1738 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1740 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1742 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1744 bottom_y
= top_y
+ s
->height
- 1;
1746 left_p
= (s
->first_glyph
->left_box_line_p
1747 || (s
->hl
== DRAW_MOUSE_FACE
1749 || s
->prev
->hl
!= s
->hl
)));
1750 right_p
= (last_glyph
->right_box_line_p
1751 || (s
->hl
== DRAW_MOUSE_FACE
1753 || s
->next
->hl
!= s
->hl
)));
1755 get_glyph_string_clip_rect (s
, &clip_rect
);
1757 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1758 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1759 left_p
, right_p
, &clip_rect
);
1762 x_setup_relief_colors (s
);
1763 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1764 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1769 /* Draw foreground of image glyph string S. */
1772 x_draw_image_foreground (struct glyph_string
*s
)
1775 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1777 /* If first glyph of S has a left box line, start drawing it to the
1778 right of that line. */
1779 if (s
->face
->box
!= FACE_NO_BOX
1780 && s
->first_glyph
->left_box_line_p
1782 x
+= eabs (s
->face
->box_line_width
);
1784 /* If there is a margin around the image, adjust x- and y-position
1786 if (s
->slice
.x
== 0)
1787 x
+= s
->img
->hmargin
;
1788 if (s
->slice
.y
== 0)
1789 y
+= s
->img
->vmargin
;
1795 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1796 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1797 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1798 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1799 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1800 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1801 x_set_glyph_string_clipping (s
);
1805 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1806 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1808 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1809 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1811 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1812 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1813 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1814 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1815 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1816 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1818 SelectObject (mask_dc
, mask_orig_obj
);
1823 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1824 SetBkColor (s
->hdc
, s
->gc
->background
);
1826 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1827 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1829 /* When the image has a mask, we can expect that at
1830 least part of a mouse highlight or a block cursor will
1831 be visible. If the image doesn't have a mask, make
1832 a block cursor visible by drawing a rectangle around
1833 the image. I believe it's looking better if we do
1834 nothing here for mouse-face. */
1835 if (s
->hl
== DRAW_CURSOR
)
1837 int r
= s
->img
->relief
;
1839 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1840 s
->slice
.width
+ r
*2 - 1,
1841 s
->slice
.height
+ r
*2 - 1);
1845 w32_set_clip_rectangle (s
->hdc
, NULL
);
1846 SelectObject (s
->hdc
, orig_brush
);
1847 DeleteObject (fg_brush
);
1848 SelectObject (compat_hdc
, orig_obj
);
1849 DeleteDC (compat_hdc
);
1852 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
1853 s
->slice
.width
- 1, s
->slice
.height
- 1);
1855 RestoreDC (s
->hdc
,-1);
1859 /* Draw a relief around the image glyph string S. */
1862 x_draw_image_relief (struct glyph_string
*s
)
1864 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1867 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1869 /* If first glyph of S has a left box line, start drawing it to the
1870 right of that line. */
1871 if (s
->face
->box
!= FACE_NO_BOX
1872 && s
->first_glyph
->left_box_line_p
1874 x
+= eabs (s
->face
->box_line_width
);
1876 /* If there is a margin around the image, adjust x- and y-position
1878 if (s
->slice
.x
== 0)
1879 x
+= s
->img
->hmargin
;
1880 if (s
->slice
.y
== 0)
1881 y
+= s
->img
->vmargin
;
1883 if (s
->hl
== DRAW_IMAGE_SUNKEN
1884 || s
->hl
== DRAW_IMAGE_RAISED
)
1886 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
1887 : DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1888 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1892 thick
= eabs (s
->img
->relief
);
1893 raised_p
= s
->img
->relief
> 0;
1898 x1
= x
+ s
->slice
.width
+ thick
- 1;
1899 y1
= y
+ s
->slice
.height
+ thick
- 1;
1901 x_setup_relief_colors (s
);
1902 get_glyph_string_clip_rect (s
, &r
);
1903 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
1905 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
1907 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
1912 /* Draw the foreground of image glyph string S to PIXMAP. */
1915 w32_draw_image_foreground_1 (struct glyph_string
*s
, HBITMAP pixmap
)
1917 HDC hdc
= CreateCompatibleDC (s
->hdc
);
1918 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
1920 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1922 /* If first glyph of S has a left box line, start drawing it to the
1923 right of that line. */
1924 if (s
->face
->box
!= FACE_NO_BOX
1925 && s
->first_glyph
->left_box_line_p
1927 x
+= eabs (s
->face
->box_line_width
);
1929 /* If there is a margin around the image, adjust x- and y-position
1931 if (s
->slice
.x
== 0)
1932 x
+= s
->img
->hmargin
;
1933 if (s
->slice
.y
== 0)
1934 y
+= s
->img
->vmargin
;
1938 HDC compat_hdc
= CreateCompatibleDC (hdc
);
1939 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1940 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
1941 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1945 HDC mask_dc
= CreateCompatibleDC (hdc
);
1946 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1948 SetTextColor (hdc
, RGB (0, 0, 0));
1949 SetBkColor (hdc
, RGB (255, 255, 255));
1950 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1951 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1952 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1953 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
1954 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1955 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
1957 SelectObject (mask_dc
, mask_orig_obj
);
1962 SetTextColor (hdc
, s
->gc
->foreground
);
1963 SetBkColor (hdc
, s
->gc
->background
);
1965 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
1966 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
1968 /* When the image has a mask, we can expect that at
1969 least part of a mouse highlight or a block cursor will
1970 be visible. If the image doesn't have a mask, make
1971 a block cursor visible by drawing a rectangle around
1972 the image. I believe it's looking better if we do
1973 nothing here for mouse-face. */
1974 if (s
->hl
== DRAW_CURSOR
)
1976 int r
= s
->img
->relief
;
1978 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
1979 s
->slice
.width
+ r
*2 - 1,
1980 s
->slice
.height
+ r
*2 - 1);
1984 SelectObject (hdc
, orig_brush
);
1985 DeleteObject (fg_brush
);
1986 SelectObject (compat_hdc
, orig_obj
);
1987 DeleteDC (compat_hdc
);
1990 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
1991 s
->slice
.width
- 1, s
->slice
.height
- 1);
1993 SelectObject (hdc
, orig_hdc_obj
);
1998 /* Draw part of the background of glyph string S. X, Y, W, and H
1999 give the rectangle to draw. */
2002 x_draw_glyph_string_bg_rect (struct glyph_string
*s
, int x
, int y
, int w
, int h
)
2004 #if 0 /* TODO: stipple */
2007 /* Fill background with a stipple pattern. */
2008 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2009 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2010 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2014 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2018 /* Draw image glyph string S.
2021 s->x +-------------------------
2024 | +-------------------------
2027 | | +-------------------
2033 x_draw_image_glyph_string (struct glyph_string
*s
)
2036 int box_line_hwidth
= eabs (s
->face
->box_line_width
);
2037 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2041 height
= s
->height
- 2 * box_line_vwidth
;
2043 /* Fill background with face under the image. Do it only if row is
2044 taller than image or if image has a clip mask to reduce
2046 s
->stippled_p
= s
->face
->stipple
!= 0;
2047 if (height
> s
->slice
.height
2051 || s
->img
->pixmap
== 0
2052 || s
->width
!= s
->background_width
)
2055 if (s
->first_glyph
->left_box_line_p
2057 x
+= box_line_hwidth
;
2060 if (s
->slice
.y
== 0)
2061 y
+= box_line_vwidth
;
2063 #if 0 /* TODO: figure out if we need to do this on Windows. */
2066 /* Create a pixmap as large as the glyph string. Fill it
2067 with the background color. Copy the image to it, using
2068 its mask. Copy the temporary pixmap to the display. */
2069 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2070 int depth
= DefaultDepthOfScreen (screen
);
2072 /* Create a pixmap as large as the glyph string. */
2073 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2074 s
->background_width
,
2077 /* Don't clip in the following because we're working on the
2079 XSetClipMask (s
->display
, s
->gc
, None
);
2081 /* Fill the pixmap with the background color/stipple. */
2084 /* Fill background with a stipple pattern. */
2085 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2086 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2087 0, 0, s
->background_width
, s
->height
);
2088 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2093 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2095 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2096 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2097 0, 0, s
->background_width
, s
->height
);
2098 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2103 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2105 s
->background_filled_p
= 1;
2108 /* Draw the foreground. */
2111 w32_draw_image_foreground_1 (s
, pixmap
);
2112 x_set_glyph_string_clipping (s
);
2114 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2115 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2116 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2117 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2119 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2120 SetBkColor (s
->hdc
, s
->gc
->background
);
2121 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2122 compat_hdc
, 0, 0, SRCCOPY
);
2124 SelectObject (s
->hdc
, orig_brush
);
2125 DeleteObject (fg_brush
);
2126 SelectObject (compat_hdc
, orig_obj
);
2127 DeleteDC (compat_hdc
);
2129 DeleteObject (pixmap
);
2133 x_draw_image_foreground (s
);
2135 /* If we must draw a relief around the image, do it. */
2137 || s
->hl
== DRAW_IMAGE_RAISED
2138 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2139 x_draw_image_relief (s
);
2143 /* Draw stretch glyph string S. */
2146 x_draw_stretch_glyph_string (struct glyph_string
*s
)
2148 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2150 if (s
->hl
== DRAW_CURSOR
2151 && !x_stretch_cursor_p
)
2153 /* If `x-stretch-cursor' is nil, don't draw a block cursor as
2154 wide as the stretch glyph. */
2155 int width
, background_width
= s
->background_width
;
2158 if (!s
->row
->reversed_p
)
2160 int left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2164 background_width
-= left_x
- x
;
2170 /* In R2L rows, draw the cursor on the right edge of the
2172 int right_x
= window_box_right_offset (s
->w
, TEXT_AREA
);
2174 if (x
+ background_width
> right_x
)
2175 background_width
-= x
- right_x
;
2176 x
+= background_width
;
2178 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2179 if (s
->row
->reversed_p
)
2183 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2185 /* Clear rest using the GC of the original non-cursor face. */
2186 if (width
< background_width
)
2188 XGCValues
*gc
= s
->face
->gc
;
2190 int w
= background_width
- width
, h
= s
->height
;
2194 if (!s
->row
->reversed_p
)
2198 if (s
->row
->mouse_face_p
2199 && cursor_in_mouse_face_p (s
->w
))
2201 x_set_mouse_face_gc (s
);
2207 get_glyph_string_clip_rect (s
, &r
);
2208 w32_set_clip_rectangle (hdc
, &r
);
2210 #if 0 /* TODO: stipple */
2211 if (s
->face
->stipple
)
2213 /* Fill background with a stipple pattern. */
2214 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2215 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2216 XSetFillStyle (s
->display
, gc
, FillSolid
);
2221 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2225 else if (!s
->background_filled_p
)
2227 int background_width
= s
->background_width
;
2228 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2230 /* Don't draw into left margin, fringe or scrollbar area
2231 except for header line and mode line. */
2232 if (x
< left_x
&& !s
->row
->mode_line_p
)
2234 background_width
-= left_x
- x
;
2237 if (background_width
> 0)
2238 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2241 s
->background_filled_p
= 1;
2245 /* Draw glyph string S. */
2248 x_draw_glyph_string (struct glyph_string
*s
)
2250 int relief_drawn_p
= 0;
2252 /* If S draws into the background of its successor, draw the
2253 background of the successor first so that S can draw into it.
2254 This makes S->next use XDrawString instead of XDrawImageString. */
2255 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2258 struct glyph_string
*next
;
2259 for (width
= 0, next
= s
->next
;
2260 next
&& width
< s
->right_overhang
;
2261 width
+= next
->width
, next
= next
->next
)
2262 if (next
->first_glyph
->type
!= IMAGE_GLYPH
)
2264 x_set_glyph_string_gc (next
);
2265 x_set_glyph_string_clipping (next
);
2266 if (next
->first_glyph
->type
== STRETCH_GLYPH
)
2267 x_draw_stretch_glyph_string (next
);
2269 x_draw_glyph_string_background (next
, 1);
2270 next
->num_clips
= 0;
2274 /* Set up S->gc, set clipping and draw S. */
2275 x_set_glyph_string_gc (s
);
2277 /* Draw relief (if any) in advance for char/composition so that the
2278 glyph string can be drawn over it. */
2279 if (!s
->for_overlaps
2280 && s
->face
->box
!= FACE_NO_BOX
2281 && (s
->first_glyph
->type
== CHAR_GLYPH
2282 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2285 x_set_glyph_string_clipping (s
);
2286 x_draw_glyph_string_background (s
, 1);
2287 x_draw_glyph_string_box (s
);
2288 x_set_glyph_string_clipping (s
);
2291 else if (!s
->clip_head
/* draw_glyphs didn't specify a clip mask. */
2293 && ((s
->prev
&& s
->prev
->hl
!= s
->hl
&& s
->left_overhang
)
2294 || (s
->next
&& s
->next
->hl
!= s
->hl
&& s
->right_overhang
)))
2295 /* We must clip just this glyph. left_overhang part has already
2296 drawn when s->prev was drawn, and right_overhang part will be
2297 drawn later when s->next is drawn. */
2298 x_set_glyph_string_clipping_exactly (s
, s
);
2300 x_set_glyph_string_clipping (s
);
2302 switch (s
->first_glyph
->type
)
2305 x_draw_image_glyph_string (s
);
2309 x_draw_stretch_glyph_string (s
);
2313 if (s
->for_overlaps
)
2314 s
->background_filled_p
= 1;
2316 x_draw_glyph_string_background (s
, 0);
2317 x_draw_glyph_string_foreground (s
);
2320 case COMPOSITE_GLYPH
:
2321 if (s
->for_overlaps
|| (s
->cmp_from
> 0
2322 && ! s
->first_glyph
->u
.cmp
.automatic
))
2323 s
->background_filled_p
= 1;
2325 x_draw_glyph_string_background (s
, 1);
2326 x_draw_composite_glyph_string_foreground (s
);
2329 case GLYPHLESS_GLYPH
:
2330 if (s
->for_overlaps
)
2331 s
->background_filled_p
= 1;
2333 x_draw_glyph_string_background (s
, 0);
2334 x_draw_glyphless_glyph_string_foreground (s
);
2341 if (!s
->for_overlaps
)
2343 /* Draw underline. */
2344 if (s
->face
->underline_p
)
2346 unsigned long thickness
, position
;
2349 if (s
->prev
&& s
->prev
->face
->underline_p
)
2351 /* We use the same underline style as the previous one. */
2352 thickness
= s
->prev
->underline_thickness
;
2353 position
= s
->prev
->underline_position
;
2357 /* Get the underline thickness. Default is 1 pixel. */
2358 if (s
->font
&& s
->font
->underline_thickness
> 0)
2359 thickness
= s
->font
->underline_thickness
;
2362 if (x_underline_at_descent_line
)
2363 position
= (s
->height
- thickness
) - (s
->ybase
- s
->y
);
2366 /* Get the underline position. This is the recommended
2367 vertical offset in pixels from the baseline to the top of
2368 the underline. This is a signed value according to the
2369 specs, and its default is
2371 ROUND ((maximum_descent) / 2), with
2372 ROUND (x) = floor (x + 0.5) */
2374 if (x_use_underline_position_properties
2375 && s
->font
&& s
->font
->underline_position
>= 0)
2376 position
= s
->font
->underline_position
;
2378 position
= (s
->font
->descent
+ 1) / 2;
2380 position
= max (position
, underline_minimum_offset
);
2382 /* Check the sanity of thickness and position. We should
2383 avoid drawing underline out of the current line area. */
2384 if (s
->y
+ s
->height
<= s
->ybase
+ position
)
2385 position
= (s
->height
- 1) - (s
->ybase
- s
->y
);
2386 if (s
->y
+ s
->height
< s
->ybase
+ position
+ thickness
)
2387 thickness
= (s
->y
+ s
->height
) - (s
->ybase
+ position
);
2388 s
->underline_thickness
= thickness
;
2389 s
->underline_position
=position
;
2390 y
= s
->ybase
+ position
;
2391 if (s
->face
->underline_defaulted_p
)
2393 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2398 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2402 /* Draw overline. */
2403 if (s
->face
->overline_p
)
2405 unsigned long dy
= 0, h
= 1;
2407 if (s
->face
->overline_color_defaulted_p
)
2409 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2410 s
->y
+ dy
, s
->width
, h
);
2414 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2415 s
->y
+ dy
, s
->width
, h
);
2419 /* Draw strike-through. */
2420 if (s
->face
->strike_through_p
2421 && !FONT_TEXTMETRIC (s
->font
).tmStruckOut
)
2423 unsigned long h
= 1;
2424 unsigned long dy
= (s
->height
- h
) / 2;
2426 if (s
->face
->strike_through_color_defaulted_p
)
2428 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2433 w32_fill_area (s
->f
, s
->hdc
, s
->face
->strike_through_color
, s
->x
,
2434 s
->y
+ dy
, s
->width
, h
);
2438 /* Draw relief if not yet drawn. */
2439 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2440 x_draw_glyph_string_box (s
);
2444 struct glyph_string
*prev
;
2446 for (prev
= s
->prev
; prev
; prev
= prev
->prev
)
2447 if (prev
->hl
!= s
->hl
2448 && prev
->x
+ prev
->width
+ prev
->right_overhang
> s
->x
)
2450 /* As prev was drawn while clipped to its own area, we
2451 must draw the right_overhang part using s->hl now. */
2452 enum draw_glyphs_face save
= prev
->hl
;
2455 x_set_glyph_string_gc (prev
);
2456 x_set_glyph_string_clipping_exactly (s
, prev
);
2457 if (prev
->first_glyph
->type
== CHAR_GLYPH
)
2458 x_draw_glyph_string_foreground (prev
);
2460 x_draw_composite_glyph_string_foreground (prev
);
2461 w32_set_clip_rectangle (prev
->hdc
, NULL
);
2463 prev
->num_clips
= 0;
2469 struct glyph_string
*next
;
2471 for (next
= s
->next
; next
; next
= next
->next
)
2472 if (next
->hl
!= s
->hl
2473 && next
->x
- next
->left_overhang
< s
->x
+ s
->width
)
2475 /* As next will be drawn while clipped to its own area,
2476 we must draw the left_overhang part using s->hl now. */
2477 enum draw_glyphs_face save
= next
->hl
;
2480 x_set_glyph_string_gc (next
);
2481 x_set_glyph_string_clipping_exactly (s
, next
);
2482 if (next
->first_glyph
->type
== CHAR_GLYPH
)
2483 x_draw_glyph_string_foreground (next
);
2485 x_draw_composite_glyph_string_foreground (next
);
2486 w32_set_clip_rectangle (next
->hdc
, NULL
);
2488 next
->num_clips
= 0;
2493 /* Reset clipping. */
2494 w32_set_clip_rectangle (s
->hdc
, NULL
);
2499 /* Shift display to make room for inserted glyphs. */
2502 w32_shift_glyphs_for_insert (struct frame
*f
, int x
, int y
,
2503 int width
, int height
, int shift_by
)
2507 hdc
= get_frame_dc (f
);
2508 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2509 hdc
, x
, y
, SRCCOPY
);
2511 release_frame_dc (f
, hdc
);
2515 /* Delete N glyphs at the nominal cursor position. Not implemented
2519 x_delete_glyphs (struct frame
*f
, register int n
)
2521 if (! FRAME_W32_P (f
))
2528 /* Clear entire frame. */
2531 x_clear_frame (struct frame
*f
)
2533 if (! FRAME_W32_P (f
))
2536 /* Clearing the frame will erase any cursor, so mark them all as no
2538 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2539 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2540 output_cursor
.x
= -1;
2542 /* We don't set the output cursor here because there will always
2543 follow an explicit cursor_to. */
2546 w32_clear_window (f
);
2548 /* We have to clear the scroll bars, too. If we have changed
2549 colors or something like that, then they should be notified. */
2550 x_scroll_bar_clear (f
);
2556 /* Make audible bell. */
2559 w32_ring_bell (struct frame
*f
)
2563 if (FRAME_W32_P (f
) && visible_bell
)
2566 HWND hwnd
= FRAME_W32_WINDOW (f
);
2568 for (i
= 0; i
< 5; i
++)
2570 FlashWindow (hwnd
, TRUE
);
2573 FlashWindow (hwnd
, FALSE
);
2576 w32_sys_ring_bell (f
);
2582 /* Specify how many text lines, from the top of the window,
2583 should be affected by insert-lines and delete-lines operations.
2584 This, and those operations, are used only within an update
2585 that is bounded by calls to x_update_begin and x_update_end. */
2588 w32_set_terminal_window (struct frame
*f
, int n
)
2590 /* This function intentionally left blank. */
2594 /***********************************************************************
2596 ***********************************************************************/
2598 /* Perform an insert-lines or delete-lines operation, inserting N
2599 lines or deleting -N lines at vertical position VPOS. */
2602 x_ins_del_lines (struct frame
*f
, int vpos
, int n
)
2604 if (! FRAME_W32_P (f
))
2611 /* Scroll part of the display as described by RUN. */
2614 x_scroll_run (struct window
*w
, struct run
*run
)
2616 struct frame
*f
= XFRAME (w
->frame
);
2617 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2618 HWND hwnd
= FRAME_W32_WINDOW (f
);
2621 /* Get frame-relative bounding box of the text display area of W,
2622 without mode lines. Include in this box the left and right
2624 window_box (w
, -1, &x
, &y
, &width
, &height
);
2626 /* If the fringe is adjacent to the left (right) scroll bar of a
2627 leftmost (rightmost, respectively) window, then extend its
2628 background to the gap between the fringe and the bar. */
2629 if ((WINDOW_LEFTMOST_P (w
)
2630 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
2631 || (WINDOW_RIGHTMOST_P (w
)
2632 && WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
)))
2634 int sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
2638 int bar_area_x
= WINDOW_SCROLL_BAR_AREA_X (w
);
2639 int bar_area_width
= (WINDOW_CONFIG_SCROLL_BAR_COLS (w
)
2640 * FRAME_COLUMN_WIDTH (f
));
2642 if (bar_area_x
+ bar_area_width
== x
)
2644 x
= bar_area_x
+ sb_width
;
2645 width
+= bar_area_width
- sb_width
;
2647 else if (x
+ width
== bar_area_x
)
2648 width
+= bar_area_width
- sb_width
;
2652 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2653 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2654 bottom_y
= y
+ height
;
2658 /* Scrolling up. Make sure we don't copy part of the mode
2659 line at the bottom. */
2660 if (from_y
+ run
->height
> bottom_y
)
2661 height
= bottom_y
- from_y
;
2663 height
= run
->height
;
2664 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2668 /* Scolling down. Make sure we don't copy over the mode line.
2670 if (to_y
+ run
->height
> bottom_y
)
2671 height
= bottom_y
- to_y
;
2673 height
= run
->height
;
2674 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2679 /* Cursor off. Will be switched on again in x_update_window_end. */
2686 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2687 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2689 from
.left
= to
.left
= x
;
2690 from
.right
= to
.right
= x
+ width
;
2692 from
.bottom
= from_y
+ height
;
2694 to
.bottom
= bottom_y
;
2696 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2697 NULL
, SW_INVALIDATE
);
2699 /* Combine this with what we expect to be dirty. This covers the
2700 case where not all of the region we expect is actually dirty. */
2701 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2703 /* If the dirty region is not what we expected, redraw the entire frame. */
2704 if (!EqualRgn (combined
, expect_dirty
))
2705 SET_FRAME_GARBAGED (f
);
2707 DeleteObject (dirty
);
2708 DeleteObject (combined
);
2712 DeleteObject (expect_dirty
);
2717 /***********************************************************************
2719 ***********************************************************************/
2722 frame_highlight (struct frame
*f
)
2724 x_update_cursor (f
, 1);
2725 x_set_frame_alpha (f
);
2729 frame_unhighlight (struct frame
*f
)
2731 x_update_cursor (f
, 1);
2732 x_set_frame_alpha (f
);
2735 /* The focus has changed. Update the frames as necessary to reflect
2736 the new situation. Note that we can't change the selected frame
2737 here, because the Lisp code we are interrupting might become confused.
2738 Each event gets marked with the frame in which it occurred, so the
2739 Lisp code can tell when the switch took place by examining the events. */
2742 x_new_focus_frame (struct w32_display_info
*dpyinfo
, struct frame
*frame
)
2744 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2746 if (frame
!= dpyinfo
->w32_focus_frame
)
2748 /* Set this before calling other routines, so that they see
2749 the correct value of w32_focus_frame. */
2750 dpyinfo
->w32_focus_frame
= frame
;
2752 if (old_focus
&& old_focus
->auto_lower
)
2753 x_lower_frame (old_focus
);
2755 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2756 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2758 pending_autoraise_frame
= 0;
2761 x_frame_rehighlight (dpyinfo
);
2765 /* Handle FocusIn and FocusOut state changes for FRAME.
2766 If FRAME has focus and there exists more than one frame, puts
2767 a FOCUS_IN_EVENT into *BUFP. */
2770 x_focus_changed (int type
, int state
, struct w32_display_info
*dpyinfo
,
2771 struct frame
*frame
, struct input_event
*bufp
)
2773 if (type
== WM_SETFOCUS
)
2775 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2777 x_new_focus_frame (dpyinfo
, frame
);
2778 dpyinfo
->w32_focus_event_frame
= frame
;
2780 /* Don't stop displaying the initial startup message
2781 for a switch-frame event we don't need. */
2782 if (NILP (Vterminal_frame
)
2783 && CONSP (Vframe_list
)
2784 && !NILP (XCDR (Vframe_list
)))
2786 bufp
->kind
= FOCUS_IN_EVENT
;
2787 XSETFRAME (bufp
->frame_or_window
, frame
);
2791 frame
->output_data
.x
->focus_state
|= state
;
2793 /* TODO: IME focus? */
2795 else if (type
== WM_KILLFOCUS
)
2797 frame
->output_data
.x
->focus_state
&= ~state
;
2799 if (dpyinfo
->w32_focus_event_frame
== frame
)
2801 dpyinfo
->w32_focus_event_frame
= 0;
2802 x_new_focus_frame (dpyinfo
, 0);
2805 /* TODO: IME focus? */
2810 /* The focus may have changed. Figure out if it is a real focus change,
2811 by checking both FocusIn/Out and Enter/LeaveNotify events.
2813 Returns FOCUS_IN_EVENT event in *BUFP. */
2816 w32_detect_focus_change (struct w32_display_info
*dpyinfo
, W32Msg
*event
,
2817 struct input_event
*bufp
)
2819 struct frame
*frame
;
2821 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2825 /* On w32, this is only called from focus events, so no switch needed. */
2826 x_focus_changed (event
->msg
.message
,
2827 (event
->msg
.message
== WM_KILLFOCUS
?
2828 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2829 dpyinfo
, frame
, bufp
);
2833 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2836 x_mouse_leave (struct w32_display_info
*dpyinfo
)
2838 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2841 /* The focus has changed, or we have redirected a frame's focus to
2842 another frame (this happens when a frame uses a surrogate
2843 mini-buffer frame). Shift the highlight as appropriate.
2845 The FRAME argument doesn't necessarily have anything to do with which
2846 frame is being highlighted or un-highlighted; we only use it to find
2847 the appropriate X display info. */
2850 w32_frame_rehighlight (struct frame
*frame
)
2852 if (! FRAME_W32_P (frame
))
2854 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2858 x_frame_rehighlight (struct w32_display_info
*dpyinfo
)
2860 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2862 if (dpyinfo
->w32_focus_frame
)
2864 dpyinfo
->x_highlight_frame
2865 = ((FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2866 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2867 : dpyinfo
->w32_focus_frame
);
2868 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2870 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2871 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2875 dpyinfo
->x_highlight_frame
= 0;
2877 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2880 frame_unhighlight (old_highlight
);
2881 if (dpyinfo
->x_highlight_frame
)
2882 frame_highlight (dpyinfo
->x_highlight_frame
);
2886 /* Keyboard processing - modifier keys, etc. */
2888 /* Convert a keysym to its name. */
2891 x_get_keysym_name (int keysym
)
2893 /* Make static so we can always return it */
2894 static char value
[100];
2897 GetKeyNameText (keysym
, value
, 100);
2904 codepage_for_locale (LCID locale
)
2908 if (GetLocaleInfo (locale
, LOCALE_IDEFAULTANSICODEPAGE
, cp
, 20) > 0)
2915 /* Mouse clicks and mouse movement. Rah. */
2917 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2918 the state in PUP. XBUTTON provides extra information for extended mouse
2919 button messages. Returns FALSE if unable to parse the message. */
2921 parse_button (int message
, int xbutton
, int * pbutton
, int * pup
)
2928 case WM_LBUTTONDOWN
:
2936 case WM_MBUTTONDOWN
:
2937 if (NILP (Vw32_swap_mouse_buttons
))
2944 if (NILP (Vw32_swap_mouse_buttons
))
2950 case WM_RBUTTONDOWN
:
2951 if (NILP (Vw32_swap_mouse_buttons
))
2958 if (NILP (Vw32_swap_mouse_buttons
))
2964 case WM_XBUTTONDOWN
:
2965 button
= xbutton
+ 2;
2969 button
= xbutton
+ 2;
2977 if (pbutton
) *pbutton
= button
;
2983 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2985 If the event is a button press, then note that we have grabbed
2989 construct_mouse_click (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
2994 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2997 /* Make the event type NO_EVENT; we'll change that when we decide
2999 result
->kind
= MOUSE_CLICK_EVENT
;
3000 result
->code
= button
;
3001 result
->timestamp
= msg
->msg
.time
;
3002 result
->modifiers
= (msg
->dwModifiers
3007 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3008 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3009 XSETFRAME (result
->frame_or_window
, f
);
3015 construct_mouse_wheel (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3020 result
->kind
= msg
->msg
.message
== WM_MOUSEHWHEEL
? HORIZ_WHEEL_EVENT
3023 result
->timestamp
= msg
->msg
.time
;
3025 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3026 forward, away from the user (up); a negative value indicates that
3027 the wheel was rotated backward, toward the user (down). */
3028 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3030 /* The up and down modifiers indicate if the wheel was rotated up or
3031 down based on WHEEL_DELTA value. */
3032 result
->modifiers
= (msg
->dwModifiers
3033 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3035 /* With multiple monitors, we can legitimately get negative
3036 coordinates, so cast to short to interpret them correctly. */
3037 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3038 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3039 ScreenToClient (msg
->msg
.hwnd
, &p
);
3040 XSETINT (result
->x
, p
.x
);
3041 XSETINT (result
->y
, p
.y
);
3042 XSETFRAME (result
->frame_or_window
, f
);
3048 construct_drag_n_drop (struct input_event
*result
, W32Msg
*msg
, struct frame
*f
)
3058 result
->kind
= DRAG_N_DROP_EVENT
;
3060 result
->timestamp
= msg
->msg
.time
;
3061 result
->modifiers
= msg
->dwModifiers
;
3063 hdrop
= (HDROP
) msg
->msg
.wParam
;
3064 DragQueryPoint (hdrop
, &p
);
3067 p
.x
= LOWORD (msg
->msg
.lParam
);
3068 p
.y
= HIWORD (msg
->msg
.lParam
);
3069 ScreenToClient (msg
->msg
.hwnd
, &p
);
3072 XSETINT (result
->x
, p
.x
);
3073 XSETINT (result
->y
, p
.y
);
3075 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3078 for (i
= 0; i
< num_files
; i
++)
3080 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3083 name
= alloca (len
+ 1);
3084 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3085 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3090 XSETFRAME (frame
, f
);
3091 result
->frame_or_window
= frame
;
3092 result
->arg
= files
;
3097 /* Function to report a mouse movement to the mainstream Emacs code.
3098 The input handler calls this.
3100 We have received a mouse movement event, which is given in *event.
3101 If the mouse is over a different glyph than it was last time, tell
3102 the mainstream emacs code by setting mouse_moved. If not, ask for
3103 another motion event, so we can check again the next time it moves. */
3105 static MSG last_mouse_motion_event
;
3106 static Lisp_Object last_mouse_motion_frame
;
3109 note_mouse_movement (FRAME_PTR frame
, MSG
*msg
)
3111 int mouse_x
= LOWORD (msg
->lParam
);
3112 int mouse_y
= HIWORD (msg
->lParam
);
3114 last_mouse_movement_time
= msg
->time
;
3115 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3116 XSETFRAME (last_mouse_motion_frame
, frame
);
3118 if (!FRAME_X_OUTPUT (frame
))
3121 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3123 frame
->mouse_moved
= 1;
3124 last_mouse_scroll_bar
= Qnil
;
3125 note_mouse_highlight (frame
, -1, -1);
3126 last_mouse_glyph_frame
= 0;
3130 /* Has the mouse moved off the glyph it was on at the last sighting? */
3131 if (frame
!= last_mouse_glyph_frame
3132 || mouse_x
< last_mouse_glyph
.left
3133 || mouse_x
>= last_mouse_glyph
.right
3134 || mouse_y
< last_mouse_glyph
.top
3135 || mouse_y
>= last_mouse_glyph
.bottom
)
3137 frame
->mouse_moved
= 1;
3138 last_mouse_scroll_bar
= Qnil
;
3139 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3140 /* Remember the mouse position here, as w32_mouse_position only
3141 gets called when mouse tracking is enabled but we also need
3142 to keep track of the mouse for help_echo and highlighting at
3144 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3145 last_mouse_glyph_frame
= frame
;
3153 /************************************************************************
3155 ************************************************************************/
3157 static struct scroll_bar
*x_window_to_scroll_bar (Window
);
3158 static void x_scroll_bar_report_motion (FRAME_PTR
*, Lisp_Object
*,
3159 enum scroll_bar_part
*,
3160 Lisp_Object
*, Lisp_Object
*,
3162 static void x_check_fullscreen (struct frame
*);
3165 redo_mouse_highlight (void)
3167 if (!NILP (last_mouse_motion_frame
)
3168 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3169 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3170 LOWORD (last_mouse_motion_event
.lParam
),
3171 HIWORD (last_mouse_motion_event
.lParam
));
3175 w32_define_cursor (Window window
, Cursor cursor
)
3177 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3179 /* Return the current position of the mouse.
3180 *fp should be a frame which indicates which display to ask about.
3182 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3183 and *part to the frame, window, and scroll bar part that the mouse
3184 is over. Set *x and *y to the portion and whole of the mouse's
3185 position on the scroll bar.
3187 If the mouse movement started elsewhere, set *fp to the frame the
3188 mouse is on, *bar_window to nil, and *x and *y to the character cell
3191 Set *time to the server time-stamp for the time at which the mouse
3192 was at this position.
3194 Don't store anything if we don't have a valid set of values to report.
3196 This clears the mouse_moved flag, so we can wait for the next mouse
3200 w32_mouse_position (FRAME_PTR
*fp
, int insist
, Lisp_Object
*bar_window
,
3201 enum scroll_bar_part
*part
, Lisp_Object
*x
, Lisp_Object
*y
,
3202 unsigned long *time
)
3208 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3209 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3214 Lisp_Object frame
, tail
;
3216 /* Clear the mouse-moved flag for every frame on this display. */
3217 FOR_EACH_FRAME (tail
, frame
)
3218 XFRAME (frame
)->mouse_moved
= 0;
3220 last_mouse_scroll_bar
= Qnil
;
3224 /* Now we have a position on the root; find the innermost window
3225 containing the pointer. */
3227 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3228 && FRAME_LIVE_P (last_mouse_frame
))
3230 /* If mouse was grabbed on a frame, give coords for that frame
3231 even if the mouse is now outside it. */
3232 f1
= last_mouse_frame
;
3236 /* Is window under mouse one of our frames? */
3237 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3238 WindowFromPoint (pt
));
3241 /* If not, is it one of our scroll bars? */
3244 struct scroll_bar
*bar
3245 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3249 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3253 if (f1
== 0 && insist
> 0)
3254 f1
= SELECTED_FRAME ();
3258 /* Ok, we found a frame. Store all the values.
3259 last_mouse_glyph is a rectangle used to reduce the
3260 generation of mouse events. To not miss any motion
3261 events, we must divide the frame into rectangles of the
3262 size of the smallest character that could be displayed
3263 on it, i.e. into the same rectangles that matrices on
3264 the frame are divided into. */
3266 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3267 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3268 last_mouse_glyph_frame
= f1
;
3275 *time
= last_mouse_movement_time
;
3284 /***********************************************************************
3286 ***********************************************************************/
3288 /* Handle mouse button event on the tool-bar of frame F, at
3289 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3290 or ButtonRelease. */
3293 w32_handle_tool_bar_click (struct frame
*f
, struct input_event
*button_event
)
3295 int x
= XFASTINT (button_event
->x
);
3296 int y
= XFASTINT (button_event
->y
);
3298 if (button_event
->modifiers
& down_modifier
)
3299 handle_tool_bar_click (f
, x
, y
, 1, 0);
3301 handle_tool_bar_click (f
, x
, y
, 0,
3302 button_event
->modifiers
& ~up_modifier
);
3307 /***********************************************************************
3309 ***********************************************************************/
3311 /* Scroll bar support. */
3313 /* Given a window ID, find the struct scroll_bar which manages it.
3314 This can be called in GC, so we have to make sure to strip off mark
3317 static struct scroll_bar
*
3318 x_window_to_scroll_bar (Window window_id
)
3322 for (tail
= Vframe_list
; CONSP (tail
); tail
= XCDR (tail
))
3324 Lisp_Object frame
, bar
, condemned
;
3326 frame
= XCAR (tail
);
3327 /* All elements of Vframe_list should be frames. */
3328 if (! FRAMEP (frame
))
3331 /* Scan this frame's scroll bar list for a scroll bar with the
3333 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3334 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3335 /* This trick allows us to search both the ordinary and
3336 condemned scroll bar lists with one loop. */
3337 ! NILP (bar
) || (bar
= condemned
,
3340 bar
= XSCROLL_BAR (bar
)->next
)
3341 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3342 return XSCROLL_BAR (bar
);
3350 /* Set the thumb size and position of scroll bar BAR. We are currently
3351 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3354 w32_set_scroll_bar_thumb (struct scroll_bar
*bar
,
3355 int portion
, int position
, int whole
)
3357 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3358 /* We use the whole scroll-bar height in the calculations below, to
3359 avoid strange effects like scrolling backwards when just clicking
3360 on the handle (without moving it). */
3361 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3362 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3363 int sb_page
, sb_pos
;
3364 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3367 /* We used to change the nPage setting while dragging the handle,
3368 but that had very strange effects (such as scrolling backwards
3369 while dragging downwards).
3371 Now, we don't change the nPage setting while dragging unless we
3372 get near to the end of the buffer, in which case we often have to
3373 resize the handle to "go all the way". */
3379 si
.cbSize
= sizeof (si
);
3380 si
.fMask
= SIF_POS
| SIF_PAGE
;
3381 GetScrollInfo (w
, SB_CTL
, &si
);
3382 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3390 /* Position scroll bar at rock bottom if the bottom of the
3391 buffer is visible. This avoids shinking the thumb away
3392 to nothing if it is held at the bottom of the buffer. */
3393 if (position
+ portion
>= whole
&& !draggingp
)
3395 sb_page
= range
* (whole
- position
) / whole
;
3400 sb_pos
= position
* range
/ whole
;
3401 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3410 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3414 si
.cbSize
= sizeof (si
);
3415 si
.fMask
= SIF_PAGE
| SIF_POS
;
3419 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3425 /************************************************************************
3426 Scroll bars, general
3427 ************************************************************************/
3430 my_create_scrollbar (struct frame
* f
, struct scroll_bar
* bar
)
3432 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3433 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3437 /*#define ATTACH_THREADS*/
3440 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3442 #ifndef ATTACH_THREADS
3443 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3444 (WPARAM
) hwnd
, (LPARAM
) how
);
3446 return ShowWindow (hwnd
, how
);
3451 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3452 int x
, int y
, int cx
, int cy
, UINT flags
)
3454 #ifndef ATTACH_THREADS
3456 pos
.hwndInsertAfter
= hwndAfter
;
3462 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3464 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3470 my_set_focus (struct frame
* f
, HWND hwnd
)
3472 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3478 my_set_foreground_window (HWND hwnd
)
3480 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3485 my_destroy_window (struct frame
* f
, HWND hwnd
)
3487 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3491 /* Create a scroll bar and return the scroll bar vector for it. W is
3492 the Emacs window on which to create the scroll bar. TOP, LEFT,
3493 WIDTH and HEIGHT are the pixel coordinates and dimensions of the
3496 static struct scroll_bar
*
3497 x_scroll_bar_create (struct window
*w
, int top
, int left
, int width
, int height
)
3499 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3502 struct scroll_bar
*bar
3503 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3507 XSETWINDOW (bar
->window
, w
);
3508 XSETINT (bar
->top
, top
);
3509 XSETINT (bar
->left
, left
);
3510 XSETINT (bar
->width
, width
);
3511 XSETINT (bar
->height
, height
);
3512 XSETINT (bar
->start
, 0);
3513 XSETINT (bar
->end
, 0);
3514 bar
->dragging
= Qnil
;
3515 bar
->fringe_extended_p
= Qnil
;
3517 /* Requires geometry to be set before call to create the real window */
3519 hwnd
= my_create_scrollbar (f
, bar
);
3521 si
.cbSize
= sizeof (si
);
3524 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3525 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3529 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3531 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3533 /* Add bar to its frame's list of scroll bars. */
3534 bar
->next
= FRAME_SCROLL_BARS (f
);
3536 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3537 if (! NILP (bar
->next
))
3538 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3546 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3550 x_scroll_bar_remove (struct scroll_bar
*bar
)
3552 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3556 /* Destroy the window. */
3557 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3559 /* Disassociate this scroll bar from its window. */
3560 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3565 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3566 that we are displaying PORTION characters out of a total of WHOLE
3567 characters, starting at POSITION. If WINDOW has no scroll bar,
3570 w32_set_vertical_scroll_bar (struct window
*w
,
3571 int portion
, int whole
, int position
)
3573 struct frame
*f
= XFRAME (w
->frame
);
3574 struct scroll_bar
*bar
;
3575 int top
, height
, left
, sb_left
, width
, sb_width
;
3576 int window_y
, window_height
;
3577 int fringe_extended_p
;
3579 /* Get window dimensions. */
3580 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3582 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3583 height
= window_height
;
3585 /* Compute the left edge of the scroll bar area. */
3586 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3588 /* Compute the width of the scroll bar which might be less than
3589 the width of the area reserved for the scroll bar. */
3590 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3591 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3595 /* Compute the left edge of the scroll bar. */
3596 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3597 sb_left
= left
+ (WINDOW_RIGHTMOST_P (w
) ? width
- sb_width
: 0);
3599 sb_left
= left
+ (WINDOW_LEFTMOST_P (w
) ? 0 : width
- sb_width
);
3601 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_LEFT (w
))
3602 fringe_extended_p
= (WINDOW_LEFTMOST_P (w
)
3603 && WINDOW_LEFT_FRINGE_WIDTH (w
)
3604 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3605 || WINDOW_LEFT_MARGIN_COLS (w
) == 0));
3607 fringe_extended_p
= (WINDOW_RIGHTMOST_P (w
)
3608 && WINDOW_RIGHT_FRINGE_WIDTH (w
)
3609 && (WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (w
)
3610 || WINDOW_RIGHT_MARGIN_COLS (w
) == 0));
3612 /* Does the scroll bar exist yet? */
3613 if (NILP (w
->vertical_scroll_bar
))
3617 if (width
> 0 && height
> 0)
3619 hdc
= get_frame_dc (f
);
3620 if (fringe_extended_p
)
3621 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3623 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3624 release_frame_dc (f
, hdc
);
3628 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3632 /* It may just need to be moved and resized. */
3635 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3636 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3638 /* If already correctly positioned, do nothing. */
3639 if ( XINT (bar
->left
) == sb_left
3640 && XINT (bar
->top
) == top
3641 && XINT (bar
->width
) == sb_width
3642 && XINT (bar
->height
) == height
3643 && !NILP (bar
->fringe_extended_p
) == fringe_extended_p
)
3645 /* Redraw after clear_frame. */
3646 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3647 InvalidateRect (hwnd
, NULL
, FALSE
);
3655 if (width
&& height
)
3657 hdc
= get_frame_dc (f
);
3658 /* Since Windows scroll bars are smaller than the space reserved
3659 for them on the frame, we have to clear "under" them. */
3660 if (fringe_extended_p
)
3661 w32_clear_area (f
, hdc
, sb_left
, top
, sb_width
, height
);
3663 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3664 release_frame_dc (f
, hdc
);
3666 /* Make sure scroll bar is "visible" before moving, to ensure the
3667 area of the parent window now exposed will be refreshed. */
3668 my_show_window (f
, hwnd
, SW_HIDE
);
3669 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3670 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3671 max (height
, 1), TRUE
);
3673 si
.cbSize
= sizeof (si
);
3674 si
.fMask
= SIF_RANGE
;
3676 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3677 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3679 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3681 my_show_window (f
, hwnd
, SW_NORMAL
);
3682 /* InvalidateRect (w, NULL, FALSE); */
3684 /* Remember new settings. */
3685 XSETINT (bar
->left
, sb_left
);
3686 XSETINT (bar
->top
, top
);
3687 XSETINT (bar
->width
, sb_width
);
3688 XSETINT (bar
->height
, height
);
3693 bar
->fringe_extended_p
= fringe_extended_p
? Qt
: Qnil
;
3695 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3697 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3701 /* The following three hooks are used when we're doing a thorough
3702 redisplay of the frame. We don't explicitly know which scroll bars
3703 are going to be deleted, because keeping track of when windows go
3704 away is a real pain - "Can you say set-window-configuration, boys
3705 and girls?" Instead, we just assert at the beginning of redisplay
3706 that *all* scroll bars are to be removed, and then save a scroll bar
3707 from the fiery pit when we actually redisplay its window. */
3709 /* Arrange for all scroll bars on FRAME to be removed at the next call
3710 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3711 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3714 w32_condemn_scroll_bars (FRAME_PTR frame
)
3716 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3717 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3720 bar
= FRAME_SCROLL_BARS (frame
);
3721 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3722 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3723 XSCROLL_BAR (bar
)->prev
= Qnil
;
3724 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3725 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3726 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3731 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3732 Note that WINDOW isn't necessarily condemned at all. */
3735 w32_redeem_scroll_bar (struct window
*window
)
3737 struct scroll_bar
*bar
;
3740 /* We can't redeem this window's scroll bar if it doesn't have one. */
3741 if (NILP (window
->vertical_scroll_bar
))
3744 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3746 /* Unlink it from the condemned list. */
3747 f
= XFRAME (WINDOW_FRAME (window
));
3748 if (NILP (bar
->prev
))
3750 /* If the prev pointer is nil, it must be the first in one of
3752 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3753 /* It's not condemned. Everything's fine. */
3755 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3756 window
->vertical_scroll_bar
))
3757 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3759 /* If its prev pointer is nil, it must be at the front of
3760 one or the other! */
3764 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3766 if (! NILP (bar
->next
))
3767 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3769 bar
->next
= FRAME_SCROLL_BARS (f
);
3771 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3772 if (! NILP (bar
->next
))
3773 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3776 /* Remove all scroll bars on FRAME that haven't been saved since the
3777 last call to `*condemn_scroll_bars_hook'. */
3780 w32_judge_scroll_bars (FRAME_PTR f
)
3782 Lisp_Object bar
, next
;
3784 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3786 /* Clear out the condemned list now so we won't try to process any
3787 more events on the hapless scroll bars. */
3788 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3790 for (; ! NILP (bar
); bar
= next
)
3792 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3794 x_scroll_bar_remove (b
);
3797 b
->next
= b
->prev
= Qnil
;
3800 /* Now there should be no references to the condemned scroll bars,
3801 and they should get garbage-collected. */
3804 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3805 is set to something other than NO_EVENT, it is enqueued.
3807 This may be called from a signal handler, so we have to ignore GC
3811 w32_scroll_bar_handle_click (struct scroll_bar
*bar
, W32Msg
*msg
,
3812 struct input_event
*emacs_event
)
3814 if (! WINDOWP (bar
->window
))
3817 emacs_event
->kind
= SCROLL_BAR_CLICK_EVENT
;
3818 emacs_event
->code
= 0;
3819 /* not really meaningful to distinguish up/down */
3820 emacs_event
->modifiers
= msg
->dwModifiers
;
3821 emacs_event
->frame_or_window
= bar
->window
;
3822 emacs_event
->arg
= Qnil
;
3823 emacs_event
->timestamp
= msg
->msg
.time
;
3826 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3828 int dragging
= !NILP (bar
->dragging
);
3831 si
.cbSize
= sizeof (si
);
3834 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3837 bar
->dragging
= Qnil
;
3840 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3842 switch (LOWORD (msg
->msg
.wParam
))
3845 emacs_event
->part
= scroll_bar_down_arrow
;
3848 emacs_event
->part
= scroll_bar_up_arrow
;
3851 emacs_event
->part
= scroll_bar_above_handle
;
3854 emacs_event
->part
= scroll_bar_below_handle
;
3857 emacs_event
->part
= scroll_bar_handle
;
3861 emacs_event
->part
= scroll_bar_handle
;
3865 case SB_THUMBPOSITION
:
3866 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3867 y
= HIWORD (msg
->msg
.wParam
);
3869 emacs_event
->part
= scroll_bar_handle
;
3871 /* "Silently" update current position. */
3875 si
.cbSize
= sizeof (si
);
3878 /* Remember apparent position (we actually lag behind the real
3879 position, so don't set that directly). */
3880 last_scroll_bar_drag_pos
= y
;
3882 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3886 /* If this is the end of a drag sequence, then reset the scroll
3887 handle size to normal and do a final redraw. Otherwise do
3892 int start
= XINT (bar
->start
);
3893 int end
= XINT (bar
->end
);
3895 si
.cbSize
= sizeof (si
);
3896 si
.fMask
= SIF_PAGE
| SIF_POS
;
3897 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3898 si
.nPos
= last_scroll_bar_drag_pos
;
3899 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3903 emacs_event
->kind
= NO_EVENT
;
3907 XSETINT (emacs_event
->x
, y
);
3908 XSETINT (emacs_event
->y
, top_range
);
3914 /* Return information to the user about the current position of the mouse
3915 on the scroll bar. */
3918 x_scroll_bar_report_motion (FRAME_PTR
*fp
, Lisp_Object
*bar_window
,
3919 enum scroll_bar_part
*part
,
3920 Lisp_Object
*x
, Lisp_Object
*y
,
3921 unsigned long *time
)
3923 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3924 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3925 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3927 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3933 *bar_window
= bar
->window
;
3935 si
.cbSize
= sizeof (si
);
3936 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3938 GetScrollInfo (w
, SB_CTL
, &si
);
3940 top_range
= si
.nMax
- si
.nPage
+ 1;
3942 switch (LOWORD (last_mouse_scroll_bar_pos
))
3944 case SB_THUMBPOSITION
:
3946 *part
= scroll_bar_handle
;
3947 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3948 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3951 *part
= scroll_bar_handle
;
3955 *part
= scroll_bar_handle
;
3960 XSETINT (*y
, top_range
);
3963 last_mouse_scroll_bar
= Qnil
;
3965 *time
= last_mouse_movement_time
;
3971 /* The screen has been cleared so we may have changed foreground or
3972 background colors, and the scroll bars may need to be redrawn.
3973 Clear out the scroll bars, and ask for expose events, so we can
3977 x_scroll_bar_clear (FRAME_PTR f
)
3981 /* We can have scroll bars even if this is 0,
3982 if we just turned off scroll bar mode.
3983 But in that case we should not clear them. */
3984 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
3985 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
3986 bar
= XSCROLL_BAR (bar
)->next
)
3988 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
3989 HDC hdc
= GetDC (window
);
3992 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
3993 arranges to refresh the scroll bar if hidden. */
3994 my_show_window (f
, window
, SW_HIDE
);
3996 GetClientRect (window
, &rect
);
3997 select_palette (f
, hdc
);
3998 w32_clear_rect (f
, hdc
, &rect
);
3999 deselect_palette (f
, hdc
);
4001 ReleaseDC (window
, hdc
);
4006 /* The main W32 event-reading loop - w32_read_socket. */
4008 /* Record the last 100 characters stored
4009 to help debug the loss-of-chars-during-GC problem. */
4011 static int temp_index
;
4012 static short temp_buffer
[100];
4014 /* Temporarily store lead byte of DBCS input sequences. */
4015 static char dbcs_lead
= 0;
4017 /* Read events coming from the W32 shell.
4018 This routine is called by the SIGIO handler.
4019 We return as soon as there are no more events to be read.
4021 We return the number of characters stored into the buffer,
4022 thus pretending to be `read'.
4024 EXPECTED is nonzero if the caller knows input is available.
4026 Some of these messages are reposted back to the message queue since the
4027 system calls the windows proc directly in a context where we cannot return
4028 the data nor can we guarantee the state we are in. So if we dispatch them
4029 we will get into an infinite loop. To prevent this from ever happening we
4030 will set a variable to indicate we are in the read_socket call and indicate
4031 which message we are processing since the windows proc gets called
4032 recursively with different messages by the system.
4036 w32_read_socket (struct terminal
*terminal
, int expected
,
4037 struct input_event
*hold_quit
)
4040 int check_visibility
= 0;
4043 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4044 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
4046 if (interrupt_input_blocked
)
4048 interrupt_input_pending
= 1;
4052 interrupt_input_pending
= 0;
4055 /* So people can tell when we have read the available input. */
4056 input_signal_count
++;
4058 /* TODO: ghostscript integration. */
4059 while (get_next_msg (&msg
, FALSE
))
4061 struct input_event inev
;
4065 inev
.kind
= NO_EVENT
;
4068 switch (msg
.msg
.message
)
4070 case WM_EMACS_PAINT
:
4071 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4075 if (msg
.rect
.right
== msg
.rect
.left
||
4076 msg
.rect
.bottom
== msg
.rect
.top
)
4078 /* We may get paint messages even though the client
4079 area is clipped - these are not expose events. */
4080 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4083 else if (f
->async_visible
!= 1)
4085 /* Definitely not obscured, so mark as visible. */
4086 f
->async_visible
= 1;
4087 f
->async_iconified
= 0;
4088 SET_FRAME_GARBAGED (f
);
4089 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4092 /* WM_PAINT serves as MapNotify as well, so report
4093 visibility changes properly. */
4096 inev
.kind
= DEICONIFY_EVENT
;
4097 XSETFRAME (inev
.frame_or_window
, f
);
4099 else if (! NILP (Vframe_list
)
4100 && ! NILP (XCDR (Vframe_list
)))
4101 /* Force a redisplay sooner or later to update the
4102 frame titles in case this is the second frame. */
4103 record_asynch_buffer_change ();
4107 HDC hdc
= get_frame_dc (f
);
4109 /* Erase background again for safety. */
4110 w32_clear_rect (f
, hdc
, &msg
.rect
);
4111 release_frame_dc (f
, hdc
);
4115 msg
.rect
.right
- msg
.rect
.left
,
4116 msg
.rect
.bottom
- msg
.rect
.top
);
4121 case WM_INPUTLANGCHANGE
:
4122 /* Generate a language change event. */
4123 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4125 /* lParam contains the input lang ID. Use it to update our
4126 record of the keyboard codepage. */
4127 keyboard_codepage
= codepage_for_locale ((LCID
)(msg
.msg
.lParam
4132 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4133 XSETFRAME (inev
.frame_or_window
, f
);
4134 inev
.code
= msg
.msg
.wParam
;
4135 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4141 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4143 if (f
&& !f
->iconified
)
4145 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4146 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4148 clear_mouse_face (hlinfo
);
4149 hlinfo
->mouse_face_hidden
= 1;
4152 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4154 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4155 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4156 inev
.code
= msg
.msg
.wParam
;
4157 inev
.modifiers
= msg
.dwModifiers
;
4158 XSETFRAME (inev
.frame_or_window
, f
);
4159 inev
.timestamp
= msg
.msg
.time
;
4166 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4168 if (f
&& !f
->iconified
)
4170 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4171 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4173 clear_mouse_face (hlinfo
);
4174 hlinfo
->mouse_face_hidden
= 1;
4177 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4179 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4181 inev
.modifiers
= msg
.dwModifiers
;
4182 XSETFRAME (inev
.frame_or_window
, f
);
4183 inev
.timestamp
= msg
.msg
.time
;
4185 if (msg
.msg
.message
== WM_UNICHAR
)
4187 inev
.code
= msg
.msg
.wParam
;
4189 else if (msg
.msg
.wParam
< 256)
4194 dbcs
[1] = (char) msg
.msg
.wParam
;
4198 dbcs
[0] = dbcs_lead
;
4200 if (!MultiByteToWideChar (keyboard_codepage
, 0,
4204 DebPrint (("Invalid DBCS sequence: %d %d\n",
4206 inev
.kind
= NO_EVENT
;
4210 else if (IsDBCSLeadByteEx (keyboard_codepage
,
4211 (BYTE
) msg
.msg
.wParam
))
4213 dbcs_lead
= (char) msg
.msg
.wParam
;
4214 inev
.kind
= NO_EVENT
;
4219 if (!MultiByteToWideChar (keyboard_codepage
, 0,
4220 &dbcs
[1], 1, &code
, 1))
4222 /* What to do with garbage? */
4223 DebPrint (("Invalid character: %d\n", dbcs
[1]));
4224 inev
.kind
= NO_EVENT
;
4232 /* Windows shouldn't generate WM_CHAR events above 0xFF
4233 in non-Unicode message handlers. */
4234 DebPrint (("Non-byte WM_CHAR: %d\n", msg
.msg
.wParam
));
4235 inev
.kind
= NO_EVENT
;
4238 inev
.kind
= inev
.code
< 128 ? ASCII_KEYSTROKE_EVENT
4239 : MULTIBYTE_CHAR_KEYSTROKE_EVENT
;
4244 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4246 if (f
&& !f
->iconified
)
4248 if (!hlinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4249 && !EQ (f
->tool_bar_window
, hlinfo
->mouse_face_window
))
4251 clear_mouse_face (hlinfo
);
4252 hlinfo
->mouse_face_hidden
= 1;
4255 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4257 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4258 inev
.kind
= MULTIMEDIA_KEY_EVENT
;
4259 inev
.code
= GET_APPCOMMAND_LPARAM (msg
.msg
.lParam
);
4260 inev
.modifiers
= msg
.dwModifiers
;
4261 XSETFRAME (inev
.frame_or_window
, f
);
4262 inev
.timestamp
= msg
.msg
.time
;
4267 /* Ignore non-movement. */
4269 int x
= LOWORD (msg
.msg
.lParam
);
4270 int y
= HIWORD (msg
.msg
.lParam
);
4271 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4273 last_mousemove_x
= x
;
4274 last_mousemove_y
= y
;
4277 previous_help_echo_string
= help_echo_string
;
4278 help_echo_string
= Qnil
;
4280 if (dpyinfo
->grabbed
&& last_mouse_frame
4281 && FRAME_LIVE_P (last_mouse_frame
))
4282 f
= last_mouse_frame
;
4284 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4286 if (hlinfo
->mouse_face_hidden
)
4288 hlinfo
->mouse_face_hidden
= 0;
4289 clear_mouse_face (hlinfo
);
4294 /* Generate SELECT_WINDOW_EVENTs when needed. */
4295 if (!NILP (Vmouse_autoselect_window
))
4298 int x
= LOWORD (msg
.msg
.lParam
);
4299 int y
= HIWORD (msg
.msg
.lParam
);
4301 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4303 /* Window will be selected only when it is not
4304 selected now and last mouse movement event was
4305 not in it. Minibuffer window will be selected
4306 only when it is active. */
4307 if (WINDOWP (window
)
4308 && !EQ (window
, last_window
)
4309 && !EQ (window
, selected_window
)
4310 /* For click-to-focus window managers
4311 create event iff we don't leave the
4313 && (focus_follows_mouse
4314 || (EQ (XWINDOW (window
)->frame
,
4315 XWINDOW (selected_window
)->frame
))))
4317 inev
.kind
= SELECT_WINDOW_EVENT
;
4318 inev
.frame_or_window
= window
;
4321 last_window
= window
;
4323 if (!note_mouse_movement (f
, &msg
.msg
))
4324 help_echo_string
= previous_help_echo_string
;
4328 /* If we move outside the frame, then we're
4329 certainly no longer on any text in the frame. */
4330 clear_mouse_face (hlinfo
);
4333 /* If the contents of the global variable help_echo_string
4334 has changed, generate a HELP_EVENT. */
4335 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4336 But it was originally changed to this to fix a bug, so I have
4337 not removed it completely in case the bug is still there. */
4338 if (help_echo_string
!= previous_help_echo_string
||
4339 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4340 #else /* This is what xterm.c does. */
4341 if (!NILP (help_echo_string
)
4342 || !NILP (previous_help_echo_string
))
4347 case WM_LBUTTONDOWN
:
4349 case WM_MBUTTONDOWN
:
4351 case WM_RBUTTONDOWN
:
4353 case WM_XBUTTONDOWN
:
4356 /* If we decide we want to generate an event to be seen
4357 by the rest of Emacs, we put it here. */
4362 if (dpyinfo
->grabbed
&& last_mouse_frame
4363 && FRAME_LIVE_P (last_mouse_frame
))
4364 f
= last_mouse_frame
;
4366 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4370 construct_mouse_click (&inev
, &msg
, f
);
4372 /* Is this in the tool-bar? */
4373 if (WINDOWP (f
->tool_bar_window
)
4374 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4377 int x
= XFASTINT (inev
.x
);
4378 int y
= XFASTINT (inev
.y
);
4380 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4382 if (EQ (window
, f
->tool_bar_window
))
4384 w32_handle_tool_bar_click (f
, &inev
);
4390 || (dpyinfo
->w32_focus_frame
4391 && f
!= dpyinfo
->w32_focus_frame
))
4392 inev
.kind
= NO_EVENT
;
4395 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4400 dpyinfo
->grabbed
&= ~ (1 << button
);
4404 dpyinfo
->grabbed
|= (1 << button
);
4405 last_mouse_frame
= f
;
4406 /* Ignore any mouse motion that happened
4407 before this event; any subsequent mouse-movement
4408 Emacs events should reflect only motion after
4414 last_tool_bar_item
= -1;
4420 case WM_MOUSEHWHEEL
:
4422 if (dpyinfo
->grabbed
&& last_mouse_frame
4423 && FRAME_LIVE_P (last_mouse_frame
))
4424 f
= last_mouse_frame
;
4426 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4431 if (!dpyinfo
->w32_focus_frame
4432 || f
== dpyinfo
->w32_focus_frame
)
4434 /* Emit an Emacs wheel-up/down event. */
4435 construct_mouse_wheel (&inev
, &msg
, f
);
4437 /* Ignore any mouse motion that happened before this
4438 event; any subsequent mouse-movement Emacs events
4439 should reflect only motion after the
4443 last_mouse_frame
= f
;
4444 last_tool_bar_item
= -1;
4449 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4452 construct_drag_n_drop (&inev
, &msg
, f
);
4457 struct scroll_bar
*bar
=
4458 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4461 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4465 case WM_WINDOWPOSCHANGED
:
4466 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4469 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4470 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4472 check_visibility
= 1;
4476 case WM_ACTIVATEAPP
:
4477 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4479 x_check_fullscreen (f
);
4480 check_visibility
= 1;
4484 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4486 if (f
&& !f
->async_iconified
)
4490 x_real_positions (f
, &x
, &y
);
4495 check_visibility
= 1;
4499 /* wParam non-zero means Window is about to be shown, 0 means
4500 about to be hidden. */
4501 /* Redo the mouse-highlight after the tooltip has gone. */
4502 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4505 redo_mouse_highlight ();
4508 /* If window has been obscured or exposed by another window
4509 being maximised or minimised/restored, then recheck
4510 visibility of all frames. Direct changes to our own
4511 windows get handled by WM_SIZE. */
4513 if (msg
.msg
.lParam
!= 0)
4514 check_visibility
= 1;
4517 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4518 f
->async_visible
= msg
.msg
.wParam
;
4522 check_visibility
= 1;
4526 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4528 /* Inform lisp of whether frame has been iconified etc. */
4531 switch (msg
.msg
.wParam
)
4533 case SIZE_MINIMIZED
:
4534 f
->async_visible
= 0;
4535 f
->async_iconified
= 1;
4537 inev
.kind
= ICONIFY_EVENT
;
4538 XSETFRAME (inev
.frame_or_window
, f
);
4541 case SIZE_MAXIMIZED
:
4543 f
->async_visible
= 1;
4544 f
->async_iconified
= 0;
4546 /* wait_reading_process_output will notice this and update
4547 the frame's display structures. */
4548 SET_FRAME_GARBAGED (f
);
4554 /* Reset top and left positions of the Window
4555 here since Windows sends a WM_MOVE message
4556 BEFORE telling us the Window is minimized
4557 when the Window is iconified, with 3000,3000
4559 x_real_positions (f
, &x
, &y
);
4563 inev
.kind
= DEICONIFY_EVENT
;
4564 XSETFRAME (inev
.frame_or_window
, f
);
4566 else if (! NILP (Vframe_list
)
4567 && ! NILP (XCDR (Vframe_list
)))
4568 /* Force a redisplay sooner or later
4569 to update the frame titles
4570 in case this is the second frame. */
4571 record_asynch_buffer_change ();
4576 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4584 GetClientRect (msg
.msg
.hwnd
, &rect
);
4586 height
= rect
.bottom
- rect
.top
;
4587 width
= rect
.right
- rect
.left
;
4589 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4590 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4592 /* TODO: Clip size to the screen dimensions. */
4594 /* Even if the number of character rows and columns has
4595 not changed, the font size may have changed, so we need
4596 to check the pixel dimensions as well. */
4598 if (columns
!= FRAME_COLS (f
)
4599 || rows
!= FRAME_LINES (f
)
4600 || width
!= FRAME_PIXEL_WIDTH (f
)
4601 || height
!= FRAME_PIXEL_HEIGHT (f
))
4603 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4604 SET_FRAME_GARBAGED (f
);
4605 cancel_mouse_face (f
);
4606 FRAME_PIXEL_WIDTH (f
) = width
;
4607 FRAME_PIXEL_HEIGHT (f
) = height
;
4608 f
->win_gravity
= NorthWestGravity
;
4612 check_visibility
= 1;
4616 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4619 if (f
== hlinfo
->mouse_face_mouse_frame
)
4621 /* If we move outside the frame, then we're
4622 certainly no longer on any text in the frame. */
4623 clear_mouse_face (hlinfo
);
4624 hlinfo
->mouse_face_mouse_frame
= 0;
4627 /* Generate a nil HELP_EVENT to cancel a help-echo.
4628 Do it only if there's something to cancel.
4629 Otherwise, the startup message is cleared when
4630 the mouse leaves the frame. */
4631 if (any_help_event_p
)
4637 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4639 dpyinfo
->grabbed
= 0;
4640 check_visibility
= 1;
4644 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4648 if (f
== dpyinfo
->w32_focus_event_frame
)
4649 dpyinfo
->w32_focus_event_frame
= 0;
4651 if (f
== dpyinfo
->w32_focus_frame
)
4652 x_new_focus_frame (dpyinfo
, 0);
4654 if (f
== hlinfo
->mouse_face_mouse_frame
)
4656 /* If we move outside the frame, then we're
4657 certainly no longer on any text in the frame. */
4658 clear_mouse_face (hlinfo
);
4659 hlinfo
->mouse_face_mouse_frame
= 0;
4662 /* Generate a nil HELP_EVENT to cancel a help-echo.
4663 Do it only if there's something to cancel.
4664 Otherwise, the startup message is cleared when
4665 the mouse leaves the frame. */
4666 if (any_help_event_p
)
4670 dpyinfo
->grabbed
= 0;
4671 check_visibility
= 1;
4675 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4679 inev
.kind
= DELETE_WINDOW_EVENT
;
4680 XSETFRAME (inev
.frame_or_window
, f
);
4685 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4689 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4690 XSETFRAME (inev
.frame_or_window
, f
);
4695 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4699 extern void menubar_selection_callback
4700 (FRAME_PTR f
, void * client_data
);
4701 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4704 check_visibility
= 1;
4707 case WM_DISPLAYCHANGE
:
4708 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4712 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4713 DebPrint (("display change: %d %d\n",
4714 (short) LOWORD (msg
.msg
.lParam
),
4715 (short) HIWORD (msg
.msg
.lParam
)));
4718 check_visibility
= 1;
4722 /* Check for messages registered at runtime. */
4723 if (msg
.msg
.message
== msh_mousewheel
)
4725 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4726 msg
.msg
.message
= WM_MOUSEWHEEL
;
4732 if (inev
.kind
!= NO_EVENT
)
4734 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4739 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4744 XSETFRAME (frame
, f
);
4750 if (NILP (help_echo_string
))
4752 help_echo_object
= help_echo_window
= Qnil
;
4756 any_help_event_p
= 1;
4757 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4758 help_echo_object
, help_echo_pos
);
4762 help_echo_string
= Qnil
;
4763 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4769 /* If the focus was just given to an autoraising frame,
4771 /* ??? This ought to be able to handle more than one such frame. */
4772 if (pending_autoraise_frame
)
4774 x_raise_frame (pending_autoraise_frame
);
4775 pending_autoraise_frame
= 0;
4778 /* Check which frames are still visible, if we have enqueued any user
4779 events or been notified of events that may affect visibility. We
4780 do this here because there doesn't seem to be any direct
4781 notification from Windows that the visibility of a window has
4782 changed (at least, not in all cases). */
4783 if (count
> 0 || check_visibility
)
4785 Lisp_Object tail
, frame
;
4787 FOR_EACH_FRAME (tail
, frame
)
4789 FRAME_PTR f
= XFRAME (frame
);
4790 /* The tooltip has been drawn already. Avoid the
4791 SET_FRAME_GARBAGED below. */
4792 if (EQ (frame
, tip_frame
))
4795 /* Check "visible" frames and mark each as obscured or not.
4796 Note that async_visible is nonzero for unobscured and
4797 obscured frames, but zero for hidden and iconified frames. */
4798 if (FRAME_W32_P (f
) && f
->async_visible
)
4804 /* Query clipping rectangle for the entire window area
4805 (GetWindowDC), not just the client portion (GetDC).
4806 Otherwise, the scrollbars and menubar aren't counted as
4807 part of the visible area of the frame, and we may think
4808 the frame is obscured when really a scrollbar is still
4809 visible and gets WM_PAINT messages above. */
4810 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4811 GetClipBox (hdc
, &clipbox
);
4812 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4815 if (clipbox
.right
== clipbox
.left
4816 || clipbox
.bottom
== clipbox
.top
)
4818 /* Frame has become completely obscured so mark as
4819 such (we do this by setting async_visible to 2 so
4820 that FRAME_VISIBLE_P is still true, but redisplay
4822 f
->async_visible
= 2;
4824 if (!FRAME_OBSCURED_P (f
))
4826 DebPrint (("frame %p (%s) obscured\n", f
,
4832 /* Frame is not obscured, so mark it as such. */
4833 f
->async_visible
= 1;
4835 if (FRAME_OBSCURED_P (f
))
4837 SET_FRAME_GARBAGED (f
);
4838 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4841 /* Force a redisplay sooner or later. */
4842 record_asynch_buffer_change ();
4855 /***********************************************************************
4857 ***********************************************************************/
4859 /* Set clipping for output in glyph row ROW. W is the window in which
4860 we operate. GC is the graphics context to set clipping in.
4862 ROW may be a text row or, e.g., a mode line. Text rows must be
4863 clipped to the interior of the window dedicated to text display,
4864 mode lines must be clipped to the whole window. */
4867 w32_clip_to_row (struct window
*w
, struct glyph_row
*row
, int area
, HDC hdc
)
4870 int window_x
, window_y
, window_width
;
4872 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4874 clip_rect
.left
= window_x
;
4875 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4876 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4877 clip_rect
.right
= clip_rect
.left
+ window_width
;
4878 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4880 w32_set_clip_rectangle (hdc
, &clip_rect
);
4884 /* Draw a hollow box cursor on window W in glyph row ROW. */
4887 x_draw_hollow_cursor (struct window
*w
, struct glyph_row
*row
)
4889 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4893 struct glyph
*cursor_glyph
;
4894 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4896 /* Get the glyph the cursor is on. If we can't tell because
4897 the current matrix is invalid or such, give up. */
4898 cursor_glyph
= get_phys_cursor_glyph (w
);
4899 if (cursor_glyph
== NULL
)
4902 /* Compute frame-relative coordinates for phys cursor. */
4903 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4906 rect
.bottom
= rect
.top
+ h
;
4907 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4909 hdc
= get_frame_dc (f
);
4910 /* Set clipping, draw the rectangle, and reset clipping again. */
4911 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4912 FrameRect (hdc
, &rect
, hb
);
4914 w32_set_clip_rectangle (hdc
, NULL
);
4915 release_frame_dc (f
, hdc
);
4919 /* Draw a bar cursor on window W in glyph row ROW.
4921 Implementation note: One would like to draw a bar cursor with an
4922 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4923 Unfortunately, I didn't find a font yet that has this property set.
4927 x_draw_bar_cursor (struct window
*w
, struct glyph_row
*row
,
4928 int width
, enum text_cursor_kinds kind
)
4930 struct frame
*f
= XFRAME (w
->frame
);
4931 struct glyph
*cursor_glyph
;
4933 /* If cursor is out of bounds, don't draw garbage. This can happen
4934 in mini-buffer windows when switching between echo area glyphs
4936 cursor_glyph
= get_phys_cursor_glyph (w
);
4937 if (cursor_glyph
== NULL
)
4940 /* If on an image, draw like a normal cursor. That's usually better
4941 visible than drawing a bar, esp. if the image is large so that
4942 the bar might not be in the window. */
4943 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4945 struct glyph_row
*row
;
4946 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4947 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4951 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4952 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4956 /* If the glyph's background equals the color we normally draw
4957 the bar cursor in, the bar cursor in its normal color is
4958 invisible. Use the glyph's foreground color instead in this
4959 case, on the assumption that the glyph's colors are chosen so
4960 that the glyph is legible. */
4961 if (face
->background
== cursor_color
)
4962 cursor_color
= face
->foreground
;
4964 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4966 hdc
= get_frame_dc (f
);
4967 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4969 if (kind
== BAR_CURSOR
)
4972 width
= FRAME_CURSOR_WIDTH (f
);
4973 width
= min (cursor_glyph
->pixel_width
, width
);
4975 w
->phys_cursor_width
= width
;
4977 /* If the character under cursor is R2L, draw the bar cursor
4978 on the right of its glyph, rather than on the left. */
4979 if ((cursor_glyph
->resolved_level
& 1) != 0)
4980 x
+= cursor_glyph
->pixel_width
- width
;
4982 w32_fill_area (f
, hdc
, cursor_color
, x
,
4983 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
4984 width
, row
->height
);
4988 int dummy_x
, dummy_y
, dummy_h
;
4991 width
= row
->height
;
4993 width
= min (row
->height
, width
);
4995 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &dummy_x
,
4996 &dummy_y
, &dummy_h
);
4997 w32_fill_area (f
, hdc
, cursor_color
, x
,
4998 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
4999 row
->height
- width
),
5000 w
->phys_cursor_width
, width
);
5003 w32_set_clip_rectangle (hdc
, NULL
);
5004 release_frame_dc (f
, hdc
);
5009 /* RIF: Define cursor CURSOR on frame F. */
5012 w32_define_frame_cursor (struct frame
*f
, Cursor cursor
)
5014 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5018 /* RIF: Clear area on frame F. */
5021 w32_clear_frame_area (struct frame
*f
, int x
, int y
, int width
, int height
)
5025 hdc
= get_frame_dc (f
);
5026 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5027 release_frame_dc (f
, hdc
);
5030 /* RIF: Draw or clear cursor on window W. */
5033 w32_draw_window_cursor (struct window
*w
, struct glyph_row
*glyph_row
,
5034 int x
, int y
, int cursor_type
, int cursor_width
,
5035 int on_p
, int active_p
)
5039 /* If the user wants to use the system caret, make sure our own
5040 cursor remains invisible. */
5041 if (w32_use_visible_system_caret
)
5043 /* Call to erase_phys_cursor here seems to use the
5044 wrong values of w->phys_cursor, as they have been
5045 overwritten before this function was called. */
5046 if (w
->phys_cursor_type
!= NO_CURSOR
)
5047 erase_phys_cursor (w
);
5049 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5050 w
->phys_cursor_width
= -1;
5054 w
->phys_cursor_type
= cursor_type
;
5057 w
->phys_cursor_on_p
= 1;
5059 /* If this is the active cursor, we need to track it with the
5060 system caret, so third party software like screen magnifiers
5061 and speech synthesizers can follow the cursor. */
5064 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5065 HWND hwnd
= FRAME_W32_WINDOW (f
);
5068 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5070 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5071 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5073 PostMessage (hwnd
, WM_IME_STARTCOMPOSITION
, 0, 0);
5075 /* If the size of the active cursor changed, destroy the old
5077 if (w32_system_caret_hwnd
5078 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5079 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5081 w32_system_caret_height
= w
->phys_cursor_height
;
5083 /* Move the system caret. */
5084 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5087 if (glyph_row
->exact_window_width_line_p
5088 && (glyph_row
->reversed_p
5089 ? (w
->phys_cursor
.hpos
< 0)
5090 : (w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])))
5092 glyph_row
->cursor_in_fringe_p
= 1;
5093 draw_fringe_bitmap (w
, glyph_row
, glyph_row
->reversed_p
);
5097 switch (cursor_type
)
5099 case HOLLOW_BOX_CURSOR
:
5100 x_draw_hollow_cursor (w
, glyph_row
);
5103 case FILLED_BOX_CURSOR
:
5104 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5108 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5112 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5116 w
->phys_cursor_width
= 0;
5130 x_bitmap_icon (struct frame
*f
, Lisp_Object icon
)
5133 HANDLE small_icon
= NULL
;
5135 if (FRAME_W32_WINDOW (f
) == 0)
5139 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5140 else if (STRINGP (icon
))
5142 /* Load the main icon from the named file. */
5143 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5144 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5145 /* Try to load a small icon to go with it. */
5146 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5147 GetSystemMetrics (SM_CXSMICON
),
5148 GetSystemMetrics (SM_CYSMICON
),
5151 else if (SYMBOLP (icon
))
5155 if (EQ (icon
, intern ("application")))
5156 name
= (LPCTSTR
) IDI_APPLICATION
;
5157 else if (EQ (icon
, intern ("hand")))
5158 name
= (LPCTSTR
) IDI_HAND
;
5159 else if (EQ (icon
, intern ("question")))
5160 name
= (LPCTSTR
) IDI_QUESTION
;
5161 else if (EQ (icon
, intern ("exclamation")))
5162 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5163 else if (EQ (icon
, intern ("asterisk")))
5164 name
= (LPCTSTR
) IDI_ASTERISK
;
5165 else if (EQ (icon
, intern ("winlogo")))
5166 name
= (LPCTSTR
) IDI_WINLOGO
;
5170 main_icon
= LoadIcon (NULL
, name
);
5175 if (main_icon
== NULL
)
5178 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5179 (LPARAM
) main_icon
);
5181 /* If there is a small icon that goes with it, set that too. */
5183 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5184 (LPARAM
) small_icon
);
5190 /************************************************************************
5192 ************************************************************************/
5194 /* Display Error Handling functions not used on W32. Listing them here
5195 helps diff stay in step when comparing w32term.c with xterm.c.
5197 x_error_catcher (display, error)
5198 x_catch_errors (dpy)
5199 x_catch_errors_unwind (old_val)
5200 x_check_errors (dpy, format)
5201 x_fully_uncatch_errors ()
5202 x_had_errors_p (dpy)
5203 x_clear_errors (dpy)
5204 x_uncatch_errors (dpy, count)
5206 x_connection_signal (signalnum)
5207 x_connection_closed (dpy, error_message)
5208 x_error_quitter (display, error)
5209 x_error_handler (display, error)
5210 x_io_error_quitter (display)
5215 /* Changing the font of the frame. */
5218 x_new_font (struct frame
*f
, Lisp_Object font_object
, int fontset
)
5220 struct font
*font
= XFONT_OBJECT (font_object
);
5223 fontset
= fontset_from_font (font_object
);
5224 FRAME_FONTSET (f
) = fontset
;
5225 if (FRAME_FONT (f
) == font
)
5226 /* This font is already set in frame F. There's nothing more to
5230 FRAME_FONT (f
) = font
;
5231 FRAME_BASELINE_OFFSET (f
) = font
->baseline_offset
;
5232 FRAME_COLUMN_WIDTH (f
) = font
->average_width
;
5233 FRAME_SPACE_WIDTH (f
) = font
->space_width
;
5234 FRAME_LINE_HEIGHT (f
) = font
->height
;
5236 compute_fringe_widths (f
, 1);
5238 /* Compute the scroll bar width in character columns. */
5239 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5241 int wid
= FRAME_COLUMN_WIDTH (f
);
5242 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5243 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
- 1) / wid
;
5247 int wid
= FRAME_COLUMN_WIDTH (f
);
5248 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5251 /* Now make the frame display the given font. */
5252 if (FRAME_X_WINDOW (f
) != 0)
5254 /* Don't change the size of a tip frame; there's no point in
5255 doing it because it's done in Fx_show_tip, and it leads to
5256 problems because the tip frame has no widget. */
5257 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5258 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5261 /* X version sets font of input methods here also. */
5267 /***********************************************************************
5268 TODO: W32 Input Methods
5269 ***********************************************************************/
5270 /* Listing missing functions from xterm.c helps diff stay in step.
5272 xim_destroy_callback (xim, client_data, call_data)
5273 xim_open_dpy (dpyinfo, resource_name)
5275 xim_instantiate_callback (display, client_data, call_data)
5276 xim_initialize (dpyinfo, resource_name)
5277 xim_close_dpy (dpyinfo)
5282 /* Calculate the absolute position in frame F
5283 from its current recorded position values and gravity. */
5286 x_calc_absolute_position (struct frame
*f
)
5288 int flags
= f
->size_hint_flags
;
5290 /* The sum of the widths of the frame's left and right borders, and
5291 the sum of the heights of the frame's top and bottom borders (in
5292 pixels) drawn by Windows. */
5293 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5295 /* Try to get the actual values of these two variables. We compute
5296 the border width (height) by subtracting the width (height) of
5297 the frame's client area from the width (height) of the frame's
5299 WINDOWPLACEMENT wp
= { 0 };
5300 RECT client_rect
= { 0 };
5302 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5303 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5305 left_right_borders_width
=
5306 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5307 (client_rect
.right
- client_rect
.left
);
5309 top_bottom_borders_height
=
5310 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5311 (client_rect
.bottom
- client_rect
.top
);
5315 /* Use sensible default values. */
5316 left_right_borders_width
= 8;
5317 top_bottom_borders_height
= 32;
5320 /* Treat negative positions as relative to the rightmost bottommost
5321 position that fits on the screen. */
5322 if (flags
& XNegative
)
5323 f
->left_pos
= (x_display_pixel_width (FRAME_W32_DISPLAY_INFO (f
))
5324 - FRAME_PIXEL_WIDTH (f
)
5326 - (left_right_borders_width
- 1));
5328 if (flags
& YNegative
)
5329 f
->top_pos
= (x_display_pixel_height (FRAME_W32_DISPLAY_INFO (f
))
5330 - FRAME_PIXEL_HEIGHT (f
)
5332 - (top_bottom_borders_height
- 1));
5334 /* The left_pos and top_pos are now relative to the top and left
5335 screen edges, so the flags should correspond. */
5336 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5339 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5340 to really change the position, and 0 when calling from
5341 x_make_frame_visible (in that case, XOFF and YOFF are the current
5342 position values). It is -1 when calling from x_set_frame_parameters,
5343 which means, do adjust for borders but don't change the gravity. */
5346 x_set_offset (struct frame
*f
, register int xoff
, register int yoff
,
5349 int modified_top
, modified_left
;
5351 if (change_gravity
> 0)
5355 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5357 f
->size_hint_flags
|= XNegative
;
5359 f
->size_hint_flags
|= YNegative
;
5360 f
->win_gravity
= NorthWestGravity
;
5362 x_calc_absolute_position (f
);
5365 x_wm_set_size_hint (f
, (long) 0, 0);
5367 modified_left
= f
->left_pos
;
5368 modified_top
= f
->top_pos
;
5370 my_set_window_pos (FRAME_W32_WINDOW (f
),
5372 modified_left
, modified_top
,
5374 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5379 /* Check if we need to resize the frame due to a fullscreen request.
5380 If so needed, resize the frame. */
5382 x_check_fullscreen (struct frame
*f
)
5384 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5386 int width
, height
, ign
;
5388 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5390 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5392 /* We do not need to move the window, it shall be taken care of
5393 when setting WM manager hints. */
5394 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5396 change_frame_size (f
, height
, width
, 0, 1, 0);
5397 SET_FRAME_GARBAGED (f
);
5398 cancel_mouse_face (f
);
5400 /* Wait for the change of frame size to occur */
5401 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5406 /* Call this to change the size of frame F's x-window.
5407 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5408 for this size change and subsequent size changes.
5409 Otherwise we leave the window gravity unchanged. */
5412 x_set_window_size (struct frame
*f
, int change_gravity
, int cols
, int rows
)
5414 int pixelwidth
, pixelheight
;
5418 check_frame_size (f
, &rows
, &cols
);
5419 f
->scroll_bar_actual_width
5420 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5422 compute_fringe_widths (f
, 0);
5424 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5425 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5427 f
->win_gravity
= NorthWestGravity
;
5428 x_wm_set_size_hint (f
, (long) 0, 0);
5433 rect
.left
= rect
.top
= 0;
5434 rect
.right
= pixelwidth
;
5435 rect
.bottom
= pixelheight
;
5437 AdjustWindowRect (&rect
, f
->output_data
.w32
->dwStyle
,
5438 FRAME_EXTERNAL_MENU_BAR (f
));
5440 my_set_window_pos (FRAME_W32_WINDOW (f
),
5443 rect
.right
- rect
.left
,
5444 rect
.bottom
- rect
.top
,
5445 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5449 /* The following mirrors what is done in xterm.c. It appears to be
5450 for informing lisp of the new size immediately, while the actual
5451 resize will happen asynchronously. But on Windows, the menu bar
5452 automatically wraps when the frame is too narrow to contain it,
5453 and that causes any calculations made here to come out wrong. The
5454 end is some nasty buggy behavior, including the potential loss
5457 Disabling this code is either not sufficient to fix the problems
5458 completely, or it causes fresh problems, but at least it removes
5459 the most problematic symptom of the minibuffer becoming unusable.
5461 -----------------------------------------------------------------
5463 Now, strictly speaking, we can't be sure that this is accurate,
5464 but the window manager will get around to dealing with the size
5465 change request eventually, and we'll hear how it went when the
5466 ConfigureNotify event gets here.
5468 We could just not bother storing any of this information here,
5469 and let the ConfigureNotify event set everything up, but that
5470 might be kind of confusing to the Lisp code, since size changes
5471 wouldn't be reported in the frame parameters until some random
5472 point in the future when the ConfigureNotify event arrives.
5474 We pass 1 for DELAY since we can't run Lisp code inside of
5476 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5477 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5478 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5480 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5481 receive in the ConfigureNotify event; if we get what we asked
5482 for, then the event won't cause the screen to become garbaged, so
5483 we have to make sure to do it here. */
5484 SET_FRAME_GARBAGED (f
);
5486 /* If cursor was outside the new size, mark it as off. */
5487 mark_window_cursors_off (XWINDOW (f
->root_window
));
5489 /* Clear out any recollection of where the mouse highlighting was,
5490 since it might be in a place that's outside the new frame size.
5491 Actually checking whether it is outside is a pain in the neck,
5492 so don't try--just let the highlighting be done afresh with new size. */
5493 cancel_mouse_face (f
);
5499 /* Mouse warping. */
5501 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5504 x_set_mouse_position (struct frame
*f
, int x
, int y
)
5508 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5509 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5511 if (pix_x
< 0) pix_x
= 0;
5512 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5514 if (pix_y
< 0) pix_y
= 0;
5515 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5517 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5521 x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
)
5528 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5529 pt
.x
= rect
.left
+ pix_x
;
5530 pt
.y
= rect
.top
+ pix_y
;
5531 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5533 SetCursorPos (pt
.x
, pt
.y
);
5539 /* focus shifting, raising and lowering. */
5542 x_focus_on_frame (struct frame
*f
)
5544 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5546 /* Give input focus to frame. */
5549 /* Try not to change its Z-order if possible. */
5550 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5551 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5554 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5559 x_unfocus_frame (struct frame
*f
)
5563 /* Raise frame F. */
5565 x_raise_frame (struct frame
*f
)
5569 /* Strictly speaking, raise-frame should only change the frame's Z
5570 order, leaving input focus unchanged. This is reasonable behavior
5571 on X where the usual policy is point-to-focus. However, this
5572 behavior would be very odd on Windows where the usual policy is
5575 On X, if the mouse happens to be over the raised frame, it gets
5576 input focus anyway (so the window with focus will never be
5577 completely obscured) - if not, then just moving the mouse over it
5578 is sufficient to give it focus. On Windows, the user must actually
5579 click on the frame (preferrably the title bar so as not to move
5580 point), which is more awkward. Also, no other Windows program
5581 raises a window to the top but leaves another window (possibly now
5582 completely obscured) with input focus.
5584 Because there is a system setting on Windows that allows the user
5585 to choose the point to focus policy, we make the strict semantics
5586 optional, but by default we grab focus when raising. */
5588 if (NILP (Vw32_grab_focus_on_raise
))
5590 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5591 not already the foreground application: the frame is raised
5592 above all other frames belonging to us, but not above the
5593 current top window. To achieve that, we have to resort to this
5594 more cumbersome method. */
5596 HDWP handle
= BeginDeferWindowPos (2);
5599 DeferWindowPos (handle
,
5600 FRAME_W32_WINDOW (f
),
5603 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5605 DeferWindowPos (handle
,
5606 GetForegroundWindow (),
5607 FRAME_W32_WINDOW (f
),
5609 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5611 EndDeferWindowPos (handle
);
5616 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5622 /* Lower frame F. */
5624 x_lower_frame (struct frame
*f
)
5627 my_set_window_pos (FRAME_W32_WINDOW (f
),
5630 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5635 w32_frame_raise_lower (FRAME_PTR f
, int raise_flag
)
5637 if (! FRAME_W32_P (f
))
5646 /* Change of visibility. */
5648 /* This tries to wait until the frame is really visible.
5649 However, if the window manager asks the user where to position
5650 the frame, this will return before the user finishes doing that.
5651 The frame will not actually be visible at that time,
5652 but it will become visible later when the window manager
5653 finishes with it. */
5656 x_make_frame_visible (struct frame
*f
)
5662 type
= x_icon_type (f
);
5664 x_bitmap_icon (f
, type
);
5666 if (! FRAME_VISIBLE_P (f
))
5668 /* We test FRAME_GARBAGED_P here to make sure we don't
5669 call x_set_offset a second time
5670 if we get to x_make_frame_visible a second time
5671 before the window gets really visible. */
5672 if (! FRAME_ICONIFIED_P (f
)
5673 && ! f
->output_data
.w32
->asked_for_visible
)
5678 /* Adjust vertical window position in order to avoid being
5679 covered by a task bar placed at the bottom of the desktop. */
5680 SystemParametersInfo (SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5681 GetWindowRect (FRAME_W32_WINDOW (f
), &window_rect
);
5682 if (window_rect
.bottom
> workarea_rect
.bottom
5683 && window_rect
.top
> workarea_rect
.top
)
5684 f
->top_pos
= max (window_rect
.top
5685 - window_rect
.bottom
+ workarea_rect
.bottom
,
5688 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5691 f
->output_data
.w32
->asked_for_visible
= 1;
5693 /* According to a report in emacs-devel 2008-06-03, SW_SHOWNORMAL
5694 causes unexpected behaviour when unminimizing frames that were
5695 previously maximised. But only SW_SHOWNORMAL works properly for
5696 frames that were truely hidden (using make-frame-invisible), so
5697 we need it to avoid Bug#5482. It seems that async_iconified
5698 is only set for minimised windows that are still visible, so
5699 use that to determine the appropriate flag to pass ShowWindow. */
5700 my_show_window (f
, FRAME_W32_WINDOW (f
),
5701 f
->async_iconified
? SW_RESTORE
: SW_SHOWNORMAL
);
5704 /* Synchronize to ensure Emacs knows the frame is visible
5705 before we do anything else. We do this loop with input not blocked
5706 so that incoming events are handled. */
5711 /* This must come after we set COUNT. */
5714 XSETFRAME (frame
, f
);
5716 /* Wait until the frame is visible. Process X events until a
5717 MapNotify event has been seen, or until we think we won't get a
5718 MapNotify at all.. */
5719 for (count
= input_signal_count
+ 10;
5720 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5722 /* Force processing of queued events. */
5723 /* TODO: x_sync equivalent? */
5725 /* Machines that do polling rather than SIGIO have been observed
5726 to go into a busy-wait here. So we'll fake an alarm signal
5727 to let the handler know that there's something to be read.
5728 We used to raise a real alarm, but it seems that the handler
5729 isn't always enabled here. This is probably a bug. */
5730 if (input_polling_used ())
5732 /* It could be confusing if a real alarm arrives while processing
5733 the fake one. Turn it off and let the handler reset it. */
5734 int old_poll_suppress_count
= poll_suppress_count
;
5735 poll_suppress_count
= 1;
5736 poll_for_input_1 ();
5737 poll_suppress_count
= old_poll_suppress_count
;
5740 FRAME_SAMPLE_VISIBILITY (f
);
5744 /* Change from mapped state to withdrawn state. */
5746 /* Make the frame visible (mapped and not iconified). */
5749 x_make_frame_invisible (struct frame
*f
)
5751 /* Don't keep the highlight on an invisible frame. */
5752 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5753 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5757 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5759 /* We can't distinguish this from iconification
5760 just by the event that we get from the server.
5761 So we can't win using the usual strategy of letting
5762 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5763 and synchronize with the server to make sure we agree. */
5765 FRAME_ICONIFIED_P (f
) = 0;
5766 f
->async_visible
= 0;
5767 f
->async_iconified
= 0;
5772 /* Change window state from mapped to iconified. */
5775 x_iconify_frame (struct frame
*f
)
5779 /* Don't keep the highlight on an invisible frame. */
5780 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5781 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5783 if (f
->async_iconified
)
5788 type
= x_icon_type (f
);
5790 x_bitmap_icon (f
, type
);
5792 /* Simulate the user minimizing the frame. */
5793 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5799 /* Free X resources of frame F. */
5802 x_free_frame_resources (struct frame
*f
)
5804 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5805 Mouse_HLInfo
*hlinfo
= MOUSE_HL_INFO (f
);
5809 /* We must free faces before destroying windows because some
5810 font-driver (e.g. xft) access a window while finishing a
5812 if (FRAME_FACE_CACHE (f
))
5813 free_frame_faces (f
);
5815 if (FRAME_W32_WINDOW (f
))
5816 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5818 free_frame_menubar (f
);
5820 unload_color (f
, FRAME_FOREGROUND_PIXEL (f
));
5821 unload_color (f
, FRAME_BACKGROUND_PIXEL (f
));
5822 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5823 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5824 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5825 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5826 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5827 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5828 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5829 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5831 if (FRAME_FACE_CACHE (f
))
5832 free_frame_faces (f
);
5834 xfree (f
->output_data
.w32
);
5835 f
->output_data
.w32
= NULL
;
5837 if (f
== dpyinfo
->w32_focus_frame
)
5838 dpyinfo
->w32_focus_frame
= 0;
5839 if (f
== dpyinfo
->w32_focus_event_frame
)
5840 dpyinfo
->w32_focus_event_frame
= 0;
5841 if (f
== dpyinfo
->x_highlight_frame
)
5842 dpyinfo
->x_highlight_frame
= 0;
5844 if (f
== hlinfo
->mouse_face_mouse_frame
)
5846 hlinfo
->mouse_face_beg_row
5847 = hlinfo
->mouse_face_beg_col
= -1;
5848 hlinfo
->mouse_face_end_row
5849 = hlinfo
->mouse_face_end_col
= -1;
5850 hlinfo
->mouse_face_window
= Qnil
;
5851 hlinfo
->mouse_face_deferred_gc
= 0;
5852 hlinfo
->mouse_face_mouse_frame
= 0;
5859 /* Destroy the window of frame F. */
5861 x_destroy_window (struct frame
*f
)
5863 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5865 x_free_frame_resources (f
);
5866 dpyinfo
->reference_count
--;
5870 /* Setting window manager hints. */
5872 /* Set the normal size hints for the window manager, for frame F.
5873 FLAGS is the flags word to use--or 0 meaning preserve the flags
5874 that the window now has.
5875 If USER_POSITION is nonzero, we set the USPosition
5876 flag (this is useful when FLAGS is 0). */
5878 x_wm_set_size_hint (struct frame
*f
, long flags
, int user_position
)
5880 Window window
= FRAME_W32_WINDOW (f
);
5884 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5885 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5886 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5887 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5892 /* Window manager things */
5894 x_wm_set_icon_position (struct frame
*f
, int icon_x
, int icon_y
)
5897 Window window
= FRAME_W32_WINDOW (f
);
5899 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5900 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5901 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5903 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5908 /***********************************************************************
5910 ***********************************************************************/
5912 static int w32_initialized
= 0;
5915 w32_initialize_display_info (Lisp_Object display_name
)
5917 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5918 Mouse_HLInfo
*hlinfo
= &dpyinfo
->mouse_highlight
;
5920 memset (dpyinfo
, 0, sizeof (*dpyinfo
));
5922 /* Put it on w32_display_name_list. */
5923 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
5924 w32_display_name_list
);
5925 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
5927 dpyinfo
->w32_id_name
5928 = (char *) xmalloc (SCHARS (Vinvocation_name
)
5929 + SCHARS (Vsystem_name
)
5931 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
5932 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
5934 /* Default Console mode values - overridden when running in GUI mode
5935 with values obtained from system metrics. */
5938 dpyinfo
->n_planes
= 1;
5939 dpyinfo
->n_cbits
= 4;
5940 dpyinfo
->n_fonts
= 0;
5941 dpyinfo
->smallest_font_height
= 1;
5942 dpyinfo
->smallest_char_width
= 1;
5944 hlinfo
->mouse_face_beg_row
= hlinfo
->mouse_face_beg_col
= -1;
5945 hlinfo
->mouse_face_end_row
= hlinfo
->mouse_face_end_col
= -1;
5946 hlinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
5947 hlinfo
->mouse_face_window
= Qnil
;
5948 hlinfo
->mouse_face_overlay
= Qnil
;
5949 hlinfo
->mouse_face_hidden
= 0;
5951 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
5952 /* TODO: dpyinfo->gray */
5956 /* Create an xrdb-style database of resources to supersede registry settings.
5957 The database is just a concatenation of C strings, finished by an additional
5958 \0. The strings are submitted to some basic normalization, so
5960 [ *]option[ *]:[ *]value...
5966 but any whitespace following value is not removed. */
5969 w32_make_rdb (char *xrm_option
)
5971 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
5972 char *current
= buffer
;
5975 int before_value
= 0;
5989 if (in_option
&& (ch
== ':'))
5994 else if (before_value
)
5999 else if (!(in_option
|| before_value
))
6011 x_flush (struct frame
* f
)
6012 { /* Nothing to do */ }
6015 extern frame_parm_handler w32_frame_parm_handlers
[];
6017 static struct redisplay_interface w32_redisplay_interface
=
6019 w32_frame_parm_handlers
,
6023 x_clear_end_of_line
,
6025 x_after_update_window_line
,
6026 x_update_window_begin
,
6027 x_update_window_end
,
6030 0, /* flush_display_optional */
6031 x_clear_window_mouse_face
,
6032 x_get_glyph_overhangs
,
6033 x_fix_overlapping_area
,
6034 w32_draw_fringe_bitmap
,
6035 w32_define_fringe_bitmap
,
6036 w32_destroy_fringe_bitmap
,
6037 w32_compute_glyph_string_overhangs
,
6038 x_draw_glyph_string
,
6039 w32_define_frame_cursor
,
6040 w32_clear_frame_area
,
6041 w32_draw_window_cursor
,
6042 w32_draw_vertical_window_border
,
6043 w32_shift_glyphs_for_insert
6046 static void x_delete_terminal (struct terminal
*term
);
6048 static struct terminal
*
6049 w32_create_terminal (struct w32_display_info
*dpyinfo
)
6051 struct terminal
*terminal
;
6053 terminal
= create_terminal ();
6055 terminal
->type
= output_w32
;
6056 terminal
->display_info
.w32
= dpyinfo
;
6057 dpyinfo
->terminal
= terminal
;
6059 /* MSVC does not type K&R functions with no arguments correctly, and
6060 so we must explicitly cast them. */
6061 terminal
->clear_frame_hook
= x_clear_frame
;
6062 terminal
->ins_del_lines_hook
= x_ins_del_lines
;
6063 terminal
->delete_glyphs_hook
= x_delete_glyphs
;
6064 terminal
->ring_bell_hook
= w32_ring_bell
;
6065 terminal
->reset_terminal_modes_hook
= w32_reset_terminal_modes
;
6066 terminal
->set_terminal_modes_hook
= w32_set_terminal_modes
;
6067 terminal
->update_begin_hook
= x_update_begin
;
6068 terminal
->update_end_hook
= x_update_end
;
6069 terminal
->set_terminal_window_hook
= w32_set_terminal_window
;
6070 terminal
->read_socket_hook
= w32_read_socket
;
6071 terminal
->frame_up_to_date_hook
= w32_frame_up_to_date
;
6072 terminal
->mouse_position_hook
= w32_mouse_position
;
6073 terminal
->frame_rehighlight_hook
= w32_frame_rehighlight
;
6074 terminal
->frame_raise_lower_hook
= w32_frame_raise_lower
;
6075 /* terminal->fullscreen_hook = XTfullscreen_hook; */
6076 terminal
->set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6077 terminal
->condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6078 terminal
->redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6079 terminal
->judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6081 terminal
->delete_frame_hook
= x_destroy_window
;
6082 terminal
->delete_terminal_hook
= x_delete_terminal
;
6084 terminal
->rif
= &w32_redisplay_interface
;
6085 terminal
->scroll_region_ok
= 1; /* We'll scroll partial frames. */
6086 terminal
->char_ins_del_ok
= 1;
6087 terminal
->line_ins_del_ok
= 1; /* We'll just blt 'em. */
6088 terminal
->fast_clear_end_of_line
= 1; /* X does this well. */
6089 terminal
->memory_below_frame
= 0; /* We don't remember what scrolls
6092 /* We don't yet support separate terminals on W32, so don't try to share
6093 keyboards between virtual terminals that are on the same physical
6094 terminal like X does. */
6095 terminal
->kboard
= (KBOARD
*) xmalloc (sizeof (KBOARD
));
6096 init_kboard (terminal
->kboard
);
6097 KVAR (terminal
->kboard
, Vwindow_system
) = intern ("w32");
6098 terminal
->kboard
->next_kboard
= all_kboards
;
6099 all_kboards
= terminal
->kboard
;
6100 /* Don't let the initial kboard remain current longer than necessary.
6101 That would cause problems if a file loaded on startup tries to
6102 prompt in the mini-buffer. */
6103 if (current_kboard
== initial_kboard
)
6104 current_kboard
= terminal
->kboard
;
6105 terminal
->kboard
->reference_count
++;
6111 x_delete_terminal (struct terminal
*terminal
)
6113 struct w32_display_info
*dpyinfo
= terminal
->display_info
.w32
;
6115 /* Protect against recursive calls. delete_frame in
6116 delete_terminal calls us back when it deletes our last frame. */
6117 if (!terminal
->name
)
6122 x_delete_display (dpyinfo
);
6126 struct w32_display_info
*
6127 w32_term_init (Lisp_Object display_name
, char *xrm_option
, char *resource_name
)
6129 struct w32_display_info
*dpyinfo
;
6130 struct terminal
*terminal
;
6135 if (!w32_initialized
)
6138 w32_initialized
= 1;
6141 w32_initialize_display_info (display_name
);
6143 dpyinfo
= &one_w32_display_info
;
6144 terminal
= w32_create_terminal (dpyinfo
);
6146 /* Set the name of the terminal. */
6147 terminal
->name
= (char *) xmalloc (SBYTES (display_name
) + 1);
6148 strncpy (terminal
->name
, SDATA (display_name
), SBYTES (display_name
));
6149 terminal
->name
[SBYTES (display_name
)] = 0;
6151 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6153 /* Put this display on the chain. */
6154 dpyinfo
->next
= x_display_list
;
6155 x_display_list
= dpyinfo
;
6159 dpyinfo
->root_window
= GetDesktopWindow ();
6160 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6161 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6162 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6163 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6164 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6165 ReleaseDC (NULL
, hdc
);
6167 /* initialise palette with white and black */
6170 w32_defined_color (0, "white", &color
, 1);
6171 w32_defined_color (0, "black", &color
, 1);
6174 /* Add the default keyboard. */
6175 add_keyboard_wait_descriptor (0);
6177 /* Create Fringe Bitmaps and store them for later use.
6179 On W32, bitmaps are all unsigned short, as Windows requires
6180 bitmap data to be Word aligned. For some reason they are
6181 horizontally reflected compared to how they appear on X, so we
6182 need to bitswap and convert to unsigned shorts before creating
6184 w32_init_fringe (terminal
->rif
);
6187 fcntl (connection
, F_SETOWN
, getpid ());
6188 #endif /* ! defined (F_SETOWN) */
6191 if (interrupt_input
)
6192 init_sigio (connection
);
6193 #endif /* ! defined (SIGIO) */
6200 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6202 x_delete_display (struct w32_display_info
*dpyinfo
)
6204 /* Discard this display from w32_display_name_list and w32_display_list.
6205 We can't use Fdelq because that can quit. */
6206 if (! NILP (w32_display_name_list
)
6207 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6208 w32_display_name_list
= XCDR (w32_display_name_list
);
6213 tail
= w32_display_name_list
;
6214 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6216 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6218 XSETCDR (tail
, XCDR (XCDR (tail
)));
6225 /* free palette table */
6227 struct w32_palette_entry
* plist
;
6229 plist
= dpyinfo
->color_list
;
6232 struct w32_palette_entry
* pentry
= plist
;
6233 plist
= plist
->next
;
6236 dpyinfo
->color_list
= NULL
;
6237 if (dpyinfo
->palette
)
6238 DeleteObject (dpyinfo
->palette
);
6240 xfree (dpyinfo
->w32_id_name
);
6242 w32_reset_fringes ();
6245 /* Set up use of W32. */
6247 DWORD WINAPI
w32_msg_worker (void * arg
);
6250 w32_initialize (void)
6253 HRESULT (WINAPI
* set_user_model
) (wchar_t * id
);
6257 w32_system_caret_hwnd
= NULL
;
6258 w32_system_caret_height
= 0;
6259 w32_system_caret_x
= 0;
6260 w32_system_caret_y
= 0;
6262 /* On Windows 7 and later, we need to set the user model ID
6263 to associate emacsclient launched files with Emacs frames
6265 shell
= GetModuleHandle ("shell32.dll");
6269 = (void *) GetProcAddress (shell
,
6270 "SetCurrentProcessExplicitAppUserModelID");
6272 /* If the function is defined, then we are running on Windows 7
6273 or newer, and the UI uses this to group related windows
6274 together. Since emacs, runemacs, emacsclient are related, we
6275 want them grouped even though the executables are different,
6276 so we need to set a consistent ID between them. */
6278 set_user_model (L
"GNU.Emacs");
6281 /* Initialize w32_use_visible_system_caret based on whether a screen
6282 reader is in use. */
6283 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6284 &w32_use_visible_system_caret
, 0))
6285 w32_use_visible_system_caret
= 0;
6287 last_tool_bar_item
= -1;
6288 any_help_event_p
= 0;
6290 /* Initialize input mode: interrupt_input off, no flow control, allow
6291 8 bit character input, standard quit char. */
6292 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6295 DWORD input_locale_id
= (DWORD
) GetKeyboardLayout (0);
6296 keyboard_codepage
= codepage_for_locale ((LCID
) (input_locale_id
& 0xffff));
6299 /* Create the window thread - it will terminate itself when the app
6303 dwMainThreadId
= GetCurrentThreadId ();
6304 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6305 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6307 /* Wait for thread to start */
6311 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6313 hWindowsThread
= CreateThread (NULL
, 0,
6315 0, 0, &dwWindowsThreadId
);
6317 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6320 /* It is desirable that mainThread should have the same notion of
6321 focus window and active window as windowsThread. Unfortunately, the
6322 following call to AttachThreadInput, which should do precisely what
6323 we need, causes major problems when Emacs is linked as a console
6324 program. Unfortunately, we have good reasons for doing that, so
6325 instead we need to send messages to windowsThread to make some API
6326 calls for us (ones that affect, or depend on, the active/focus
6328 #ifdef ATTACH_THREADS
6329 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6332 /* Dynamically link to optional system components. */
6334 HMODULE user_lib
= GetModuleHandle ("user32.dll");
6336 #define LOAD_PROC(lib, fn) pfn##fn = (void *) GetProcAddress (lib, #fn)
6338 LOAD_PROC (user_lib
, SetLayeredWindowAttributes
);
6342 /* Ensure scrollbar handle is at least 5 pixels. */
6343 vertical_scroll_bar_min_handle
= 5;
6345 /* For either kind of scroll bar, take account of the arrows; these
6346 effectively form the border of the main scroll bar range. */
6347 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6348 = GetSystemMetrics (SM_CYVSCROLL
);
6353 syms_of_w32term (void)
6355 staticpro (&w32_display_name_list
);
6356 w32_display_name_list
= Qnil
;
6358 staticpro (&last_mouse_scroll_bar
);
6359 last_mouse_scroll_bar
= Qnil
;
6361 DEFSYM (Qvendor_specific_keysyms
, "vendor-specific-keysyms");
6363 DEFVAR_INT ("w32-num-mouse-buttons",
6364 w32_num_mouse_buttons
,
6365 doc
: /* Number of physical mouse buttons. */);
6366 w32_num_mouse_buttons
= 2;
6368 DEFVAR_LISP ("w32-swap-mouse-buttons",
6369 Vw32_swap_mouse_buttons
,
6370 doc
: /* Swap the mapping of middle and right mouse buttons.
6371 When nil, middle button is mouse-2 and right button is mouse-3. */);
6372 Vw32_swap_mouse_buttons
= Qnil
;
6374 DEFVAR_LISP ("w32-grab-focus-on-raise",
6375 Vw32_grab_focus_on_raise
,
6376 doc
: /* Raised frame grabs input focus.
6377 When t, `raise-frame' grabs input focus as well. This fits well
6378 with the normal Windows click-to-focus policy, but might not be
6379 desirable when using a point-to-focus policy. */);
6380 Vw32_grab_focus_on_raise
= Qt
;
6382 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6383 Vw32_capslock_is_shiftlock
,
6384 doc
: /* Apply CapsLock state to non character input keys.
6385 When nil, CapsLock only affects normal character input keys. */);
6386 Vw32_capslock_is_shiftlock
= Qnil
;
6388 DEFVAR_LISP ("w32-recognize-altgr",
6389 Vw32_recognize_altgr
,
6390 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6391 When nil, the right-alt and left-ctrl key combination is
6392 interpreted normally. */);
6393 Vw32_recognize_altgr
= Qt
;
6395 DEFVAR_BOOL ("w32-use-visible-system-caret",
6396 w32_use_visible_system_caret
,
6397 doc
: /* Flag to make the system caret visible.
6398 When this is non-nil, Emacs will indicate the position of point by
6399 using the system caret instead of drawing its own cursor. Some screen
6400 reader software does not track the system cursor properly when it is
6401 invisible, and gets confused by Emacs drawing its own cursor, so this
6402 variable is initialized to t when Emacs detects that screen reader
6403 software is running as it starts up.
6405 When this variable is set, other variables affecting the appearance of
6406 the cursor have no effect. */);
6408 w32_use_visible_system_caret
= 0;
6410 /* We don't yet support this, but defining this here avoids whining
6411 from cus-start.el and other places, like "M-x set-variable". */
6412 DEFVAR_BOOL ("x-use-underline-position-properties",
6413 x_use_underline_position_properties
,
6414 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6415 A value of nil means ignore them. If you encounter fonts with bogus
6416 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6417 to 4.1, set this to nil. You can also use `underline-minimum-offset'
6418 to override the font's UNDERLINE_POSITION for small font display
6420 x_use_underline_position_properties
= 0;
6422 DEFVAR_BOOL ("x-underline-at-descent-line",
6423 x_underline_at_descent_line
,
6424 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6425 A value of nil means to draw the underline according to the value of the
6426 variable `x-use-underline-position-properties', which is usually at the
6427 baseline level. The default value is nil. */);
6428 x_underline_at_descent_line
= 0;
6430 DEFVAR_LISP ("x-toolkit-scroll-bars", Vx_toolkit_scroll_bars
,
6431 doc
: /* Which toolkit scroll bars Emacs uses, if any.
6432 A value of nil means Emacs doesn't use toolkit scroll bars.
6433 With the X Window system, the value is a symbol describing the
6434 X toolkit. Possible values are: gtk, motif, xaw, or xaw3d.
6435 With MS Windows, the value is t. */);
6436 Vx_toolkit_scroll_bars
= Qt
;
6438 staticpro (&last_mouse_motion_frame
);
6439 last_mouse_motion_frame
= Qnil
;