1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998,
3 1999, 2000, 2001, 2002, 2003, 2004, 2005,
4 2006, 2007 Free Software Foundation, Inc.
6 This file is part of GNU Emacs.
8 GNU Emacs is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GNU Emacs is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU Emacs; see the file COPYING. If not, write to
20 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 Boston, MA 02110-1301, USA. */
29 #include "blockinput.h"
48 #include "dispextern.h"
50 #include "termhooks.h"
57 #include "intervals.h"
58 #include "composite.h"
61 #define abs(x) ((x) < 0 ? -(x) : (x))
66 static int max_fringe_bmp
= 0;
67 static HBITMAP
*fringe_bmp
= 0;
69 /* Non-nil means Emacs uses toolkit scroll bars. */
71 Lisp_Object Vx_toolkit_scroll_bars
;
73 /* Temporary variables for w32_read_socket. */
75 static int last_mousemove_x
= 0;
76 static int last_mousemove_y
= 0;
78 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
79 #ifndef GET_WHEEL_DELTA_WPARAM
80 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
83 /* Non-zero means that a HELP_EVENT has been generated since Emacs
86 static int any_help_event_p
;
88 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
89 static Lisp_Object last_window
;
91 /* Non-zero means make use of UNDERLINE_POSITION font properties.
92 (Not yet supported, see TODO in x_draw_glyph_string.) */
93 int x_use_underline_position_properties
;
95 /* Non-zero means to draw the underline at the same place as the descent line. */
97 int x_underline_at_descent_line
;
99 extern unsigned int msh_mousewheel
;
101 extern void free_frame_menubar ();
103 extern int w32_codepage_for_font (char *fontname
);
104 extern Cursor
w32_load_cursor (LPCTSTR name
);
106 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
107 unsigned char *text
, int dim
);
108 extern Lisp_Object Vwindow_system
;
110 #define x_any_window_to_frame x_window_to_frame
111 #define x_top_window_to_frame x_window_to_frame
114 /* This is display since w32 does not support multiple ones. */
115 struct w32_display_info one_w32_display_info
;
116 struct w32_display_info
*x_display_list
;
118 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
119 one for each element of w32_display_list and in the same order.
120 NAME is the name of the frame.
121 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
122 Lisp_Object w32_display_name_list
;
124 /* Frame being updated by update_frame. This is declared in term.c.
125 This is set by update_begin and looked at by all the
126 w32 functions. It is zero while not inside an update.
127 In that case, the w32 functions assume that `SELECTED_FRAME ()'
128 is the frame to apply to. */
129 extern struct frame
*updating_frame
;
131 /* This is a frame waiting to be autoraised, within w32_read_socket. */
132 struct frame
*pending_autoraise_frame
;
134 /* The handle of the frame that currently owns the system caret. */
135 HWND w32_system_caret_hwnd
;
136 int w32_system_caret_height
;
137 int w32_system_caret_x
;
138 int w32_system_caret_y
;
139 int w32_use_visible_system_caret
;
141 /* Flag to enable Unicode output in case users wish to use programs
142 like Twinbridge on '95 rather than installed system level support
143 for Far East languages. */
144 int w32_enable_unicode_output
;
146 /* Flag to enable Cleartype hack for font metrics. */
147 static int cleartype_active
;
149 DWORD dwWindowsThreadId
= 0;
150 HANDLE hWindowsThread
= NULL
;
151 DWORD dwMainThreadId
= 0;
152 HANDLE hMainThread
= NULL
;
154 int vertical_scroll_bar_min_handle
;
155 int vertical_scroll_bar_top_border
;
156 int vertical_scroll_bar_bottom_border
;
158 int last_scroll_bar_drag_pos
;
160 /* Mouse movement. */
162 /* Where the mouse was last time we reported a mouse event. */
164 static RECT last_mouse_glyph
;
165 static FRAME_PTR last_mouse_glyph_frame
;
166 static Lisp_Object last_mouse_press_frame
;
168 int w32_num_mouse_buttons
;
170 Lisp_Object Vw32_swap_mouse_buttons
;
172 /* Control whether x_raise_frame also sets input focus. */
173 Lisp_Object Vw32_grab_focus_on_raise
;
175 /* Control whether Caps Lock affects non-ascii characters. */
176 Lisp_Object Vw32_capslock_is_shiftlock
;
178 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
179 Lisp_Object Vw32_recognize_altgr
;
181 /* The scroll bar in which the last motion event occurred.
183 If the last motion event occurred in a scroll bar, we set this
184 so w32_mouse_position can know whether to report a scroll bar motion or
187 If the last motion event didn't occur in a scroll bar, we set this
188 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
189 static Lisp_Object last_mouse_scroll_bar
;
190 static int last_mouse_scroll_bar_pos
;
192 /* This is a hack. We would really prefer that w32_mouse_position would
193 return the time associated with the position it returns, but there
194 doesn't seem to be any way to wrest the time-stamp from the server
195 along with the position query. So, we just keep track of the time
196 of the last movement we received, and return that in hopes that
197 it's somewhat accurate. */
199 static Time last_mouse_movement_time
;
201 /* Incremented by w32_read_socket whenever it really tries to read
205 static int volatile input_signal_count
;
207 static int input_signal_count
;
210 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
216 /* A mask of extra modifier bits to put into every keyboard char. */
218 extern EMACS_INT extra_keyboard_modifiers
;
220 static void x_update_window_end
P_ ((struct window
*, int, int));
221 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
222 struct input_event
*));
223 static void w32_define_cursor
P_ ((Window
, Cursor
));
225 void x_lower_frame
P_ ((struct frame
*));
226 void x_scroll_bar_clear
P_ ((struct frame
*));
227 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
228 void x_raise_frame
P_ ((struct frame
*));
229 void x_set_window_size
P_ ((struct frame
*, int, int, int));
230 void x_wm_set_window_state
P_ ((struct frame
*, int));
231 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
232 static void w32_initialize
P_ ((void));
233 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
234 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
235 static void x_update_end
P_ ((struct frame
*));
236 static void w32_frame_up_to_date
P_ ((struct frame
*));
237 static void w32_set_terminal_modes
P_ ((void));
238 static void w32_reset_terminal_modes
P_ ((void));
239 static void x_clear_frame
P_ ((void));
240 static void frame_highlight
P_ ((struct frame
*));
241 static void frame_unhighlight
P_ ((struct frame
*));
242 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
244 static void x_focus_changed
P_ ((int, int, struct w32_display_info
*,
245 struct frame
*, struct input_event
*));
246 static void w32_detect_focus_change
P_ ((struct w32_display_info
*,
247 W32Msg
*, struct input_event
*));
248 static void w32_frame_rehighlight
P_ ((struct frame
*));
249 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
250 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
251 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
252 enum text_cursor_kinds
));
253 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, int, HDC
));
254 static BOOL my_show_window
P_ ((struct frame
*, HWND
, int));
255 static void my_set_window_pos
P_ ((HWND
, HWND
, int, int, int, int, UINT
));
256 static void my_set_focus
P_ ((struct frame
*, HWND
));
257 static void my_set_foreground_window
P_ ((HWND
));
258 static void my_destroy_window
P_ ((struct frame
*, HWND
));
260 static Lisp_Object Qvendor_specific_keysyms
;
263 /***********************************************************************
265 ***********************************************************************/
269 /* This is a function useful for recording debugging information about
270 the sequence of occurrences in this file. */
278 struct record event_record
[100];
280 int event_record_index
;
282 record_event (locus
, type
)
286 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
287 event_record_index
= 0;
289 event_record
[event_record_index
].locus
= locus
;
290 event_record
[event_record_index
].type
= type
;
291 event_record_index
++;
298 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
301 if (mask
& GCForeground
)
302 gc
->foreground
= xgcv
->foreground
;
303 if (mask
& GCBackground
)
304 gc
->background
= xgcv
->background
;
306 gc
->font
= xgcv
->font
;
309 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
312 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
313 bzero (gc
, sizeof (XGCValues
));
315 XChangeGC (ignore
, gc
, mask
, xgcv
);
321 XGetGCValues (void* ignore
, XGCValues
*gc
,
322 unsigned long mask
, XGCValues
*xgcv
)
324 XChangeGC (ignore
, xgcv
, mask
, gc
);
328 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
332 HRGN clip_region
= CreateRectRgnIndirect (rect
);
333 SelectClipRgn (hdc
, clip_region
);
334 DeleteObject (clip_region
);
337 SelectClipRgn (hdc
, NULL
);
341 /* Draw a hollow rectangle at the specified position. */
343 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
344 int width
, int height
)
349 hb
= CreateSolidBrush (gc
->background
);
350 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
351 oldhb
= SelectObject (hdc
, hb
);
352 oldhp
= SelectObject (hdc
, hp
);
354 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
356 SelectObject (hdc
, oldhb
);
357 SelectObject (hdc
, oldhp
);
362 /* Draw a filled rectangle at the specified position. */
364 w32_fill_rect (f
, hdc
, pix
, lprect
)
372 hb
= CreateSolidBrush (pix
);
373 FillRect (hdc
, lprect
, hb
);
382 HDC hdc
= get_frame_dc (f
);
384 /* Under certain conditions, this can be called at startup with
385 a console frame pointer before the GUI frame is created. An HDC
386 of 0 indicates this. */
389 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
390 w32_clear_rect (f
, hdc
, &rect
);
393 release_frame_dc (f
, hdc
);
397 /***********************************************************************
398 Starting and ending an update
399 ***********************************************************************/
401 /* Start an update of frame F. This function is installed as a hook
402 for update_begin, i.e. it is called when update_begin is called.
403 This function is called prior to calls to x_update_window_begin for
404 each window being updated. */
410 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
412 if (! FRAME_W32_P (f
))
415 /* Regenerate display palette before drawing if list of requested
416 colors has changed. */
417 if (display_info
->regen_palette
)
419 w32_regenerate_palette (f
);
420 display_info
->regen_palette
= FALSE
;
425 /* Start update of window W. Set the global variable updated_window
426 to the window being updated and set output_cursor to the cursor
430 x_update_window_begin (w
)
433 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
434 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
436 /* Hide the system caret during an update. */
437 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
439 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
443 set_output_cursor (&w
->cursor
);
447 if (f
== display_info
->mouse_face_mouse_frame
)
449 /* Don't do highlighting for mouse motion during the update. */
450 display_info
->mouse_face_defer
= 1;
452 /* If F needs to be redrawn, simply forget about any prior mouse
454 if (FRAME_GARBAGED_P (f
))
455 display_info
->mouse_face_window
= Qnil
;
457 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
458 their mouse_face_p flag set, which means that they are always
459 unequal to rows in a desired matrix which never have that
460 flag set. So, rows containing mouse-face glyphs are never
461 scrolled, and we don't have to switch the mouse highlight off
462 here to prevent it from being scrolled. */
464 /* Can we tell that this update does not affect the window
465 where the mouse highlight is? If so, no need to turn off.
466 Likewise, don't do anything if the frame is garbaged;
467 in that case, the frame's current matrix that we would use
468 is all wrong, and we will redisplay that line anyway. */
469 if (!NILP (display_info
->mouse_face_window
)
470 && w
== XWINDOW (display_info
->mouse_face_window
))
474 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
475 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
478 if (i
< w
->desired_matrix
->nrows
)
479 clear_mouse_face (display_info
);
487 /* Draw a vertical window border from (x,y0) to (x,y1) */
490 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
494 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
504 hdc
= get_frame_dc (f
);
505 face
= FACE_FROM_ID (f
, VERTICAL_BORDER_FACE_ID
);
507 w32_fill_rect (f
, hdc
, face
->foreground
, &r
);
509 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
511 release_frame_dc (f
, hdc
);
515 /* End update of window W (which is equal to updated_window).
517 Draw vertical borders between horizontally adjacent windows, and
518 display W's cursor if CURSOR_ON_P is non-zero.
520 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
521 glyphs in mouse-face were overwritten. In that case we have to
522 make sure that the mouse-highlight is properly redrawn.
524 W may be a menu bar pseudo-window in case we don't have X toolkit
525 support. Such windows don't have a cursor, so don't display it
529 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
531 int cursor_on_p
, mouse_face_overwritten_p
;
533 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
535 if (!w
->pseudo_window_p
)
540 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
542 output_cursor
.x
, output_cursor
.y
);
544 if (draw_window_fringes (w
, 1))
545 x_draw_vertical_border (w
);
550 /* If a row with mouse-face was overwritten, arrange for
551 XTframe_up_to_date to redisplay the mouse highlight. */
552 if (mouse_face_overwritten_p
)
554 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
555 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
556 dpyinfo
->mouse_face_window
= Qnil
;
559 /* Unhide the caret. This won't actually show the cursor, unless it
560 was visible before the corresponding call to HideCaret in
561 x_update_window_begin. */
562 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
564 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
567 updated_window
= NULL
;
571 /* End update of frame F. This function is installed as a hook in
578 if (! FRAME_W32_P (f
))
581 /* Mouse highlight may be displayed again. */
582 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
586 /* This function is called from various places in xdisp.c whenever a
587 complete update has been performed. The global variable
588 updated_window is not available here. */
591 w32_frame_up_to_date (f
)
596 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
598 if (dpyinfo
->mouse_face_deferred_gc
599 || f
== dpyinfo
->mouse_face_mouse_frame
)
602 if (dpyinfo
->mouse_face_mouse_frame
)
603 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
604 dpyinfo
->mouse_face_mouse_x
,
605 dpyinfo
->mouse_face_mouse_y
);
606 dpyinfo
->mouse_face_deferred_gc
= 0;
613 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
614 arrow bitmaps, or clear the fringes if no bitmaps are required
615 before DESIRED_ROW is made current. The window being updated is
616 found in updated_window. This function is called from
617 update_window_line only if it is known that there are differences
618 between bitmaps to be drawn between current row and DESIRED_ROW. */
621 x_after_update_window_line (desired_row
)
622 struct glyph_row
*desired_row
;
624 struct window
*w
= updated_window
;
630 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
631 desired_row
->redraw_fringe_bitmaps_p
= 1;
633 /* When a window has disappeared, make sure that no rest of
634 full-width rows stays visible in the internal border. Could
635 check here if updated_window is the leftmost/rightmost window,
636 but I guess it's not worth doing since vertically split windows
637 are almost never used, internal border is rarely set, and the
638 overhead is very small. */
639 if (windows_or_buffers_changed
640 && desired_row
->full_width_p
641 && (f
= XFRAME (w
->frame
),
642 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
644 && (height
= desired_row
->visible_height
,
647 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
649 /* Internal border is drawn below the tool bar. */
650 if (WINDOWP (f
->tool_bar_window
)
651 && w
== XWINDOW (f
->tool_bar_window
))
656 HDC hdc
= get_frame_dc (f
);
657 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
658 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
660 release_frame_dc (f
, hdc
);
667 /* Draw the bitmap WHICH in one of the left or right fringes of
668 window W. ROW is the glyph row for which to display the bitmap; it
669 determines the vertical position at which the bitmap has to be
673 w32_draw_fringe_bitmap (w
, row
, p
)
675 struct glyph_row
*row
;
676 struct draw_fringe_bitmap_params
*p
;
678 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
680 struct face
*face
= p
->face
;
683 hdc
= get_frame_dc (f
);
685 /* Must clip because of partially visible lines. */
686 rowY
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
689 /* Adjust position of "bottom aligned" bitmap on partially
692 int oldVH
= row
->visible_height
;
693 row
->visible_height
= p
->h
;
694 row
->y
-= rowY
- p
->y
;
695 w32_clip_to_row (w
, row
, -1, hdc
);
697 row
->visible_height
= oldVH
;
700 w32_clip_to_row (w
, row
, -1, hdc
);
702 if (p
->bx
>= 0 && !p
->overlay_p
)
704 w32_fill_area (f
, hdc
, face
->background
,
705 p
->bx
, p
->by
, p
->nx
, p
->ny
);
708 if (p
->which
&& p
->which
< max_fringe_bmp
)
710 HBITMAP pixmap
= fringe_bmp
[p
->which
];
714 compat_hdc
= CreateCompatibleDC (hdc
);
718 horig_obj
= SelectObject (compat_hdc
, pixmap
);
720 /* Paint overlays transparently. */
723 HBRUSH h_brush
, h_orig_brush
;
725 SetTextColor (hdc
, BLACK_PIX_DEFAULT (f
));
726 SetBkColor (hdc
, WHITE_PIX_DEFAULT (f
));
727 h_brush
= CreateSolidBrush (face
->foreground
);
728 h_orig_brush
= SelectObject (hdc
, h_brush
);
730 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
731 compat_hdc
, 0, p
->dh
,
733 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
734 compat_hdc
, 0, p
->dh
,
736 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
737 compat_hdc
, 0, p
->dh
,
740 SelectObject (hdc
, h_orig_brush
);
741 DeleteObject (h_brush
);
745 SetTextColor (hdc
, face
->background
);
746 SetBkColor (hdc
, (p
->cursor_p
747 ? f
->output_data
.w32
->cursor_pixel
748 : face
->foreground
));
750 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
751 compat_hdc
, 0, p
->dh
,
755 SelectObject (compat_hdc
, horig_obj
);
756 DeleteDC (compat_hdc
);
760 w32_set_clip_rectangle (hdc
, NULL
);
762 release_frame_dc (f
, hdc
);
766 w32_define_fringe_bitmap (which
, bits
, h
, wd
)
768 unsigned short *bits
;
771 if (which
>= max_fringe_bmp
)
773 int i
= max_fringe_bmp
;
774 max_fringe_bmp
= which
+ 20;
775 fringe_bmp
= (HBITMAP
*) xrealloc (fringe_bmp
, max_fringe_bmp
* sizeof (HBITMAP
));
776 while (i
< max_fringe_bmp
)
780 fringe_bmp
[which
] = CreateBitmap (wd
, h
, 1, 1, bits
);
784 w32_destroy_fringe_bitmap (which
)
787 if (which
>= max_fringe_bmp
)
790 if (fringe_bmp
[which
])
791 DeleteObject (fringe_bmp
[which
]);
792 fringe_bmp
[which
] = 0;
797 /* This is called when starting Emacs and when restarting after
798 suspend. When starting Emacs, no window is mapped. And nothing
799 must be done to Emacs's own window if it is suspended (though that
803 w32_set_terminal_modes (void)
807 /* This is called when exiting or suspending Emacs. Exiting will make
808 the W32 windows go away, and suspending requires no action. */
811 w32_reset_terminal_modes (void)
817 /***********************************************************************
819 ***********************************************************************/
821 /* Function prototypes of this page. */
823 XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*, wchar_t *, int));
824 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
827 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
828 If CHAR2B is not contained in FONT, the font's default character
829 metric is returned. */
832 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
838 glyph_metric
* bdf_metric
;
842 buf
[0] = (char)(*char2b
);
845 buf
[0] = XCHAR2B_BYTE1 (char2b
);
846 buf
[1] = XCHAR2B_BYTE2 (char2b
);
849 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
853 pcm
->width
= bdf_metric
->dwidth
;
854 pcm
->lbearing
= bdf_metric
->bbox
;
855 pcm
->rbearing
= bdf_metric
->dwidth
856 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
857 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
858 pcm
->descent
= -bdf_metric
->bboy
;
867 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
870 enum w32_char_font_type font_type
;
873 HDC hdc
= GetDC (NULL
);
877 xassert (font
&& char2b
);
878 xassert (font
->hfont
);
879 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
881 old_font
= SelectObject (hdc
, font
->hfont
);
883 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
887 if (font_type
== UNICODE_FONT
)
888 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
890 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
895 /* Disabled until we can find a way to get the right results
896 on all versions of Windows. */
898 /* Don't trust the ABC widths. For synthesized fonts they are
899 wrong, and so is the result of GetCharWidth()! */
901 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
903 if (cleartype_active
)
905 /* Cleartype antialiasing causes characters to overhang
906 by a pixel on each side compared with what GetCharABCWidths
908 char_widths
.abcA
-= 1;
909 char_widths
.abcC
-= 1;
910 char_widths
.abcB
+= 2;
913 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
915 /* As far as I can tell, this is the best way to determine what
916 ExtTextOut will do with the broken font. */
917 if (pcm
->width
!= real_width
)
918 pcm
->width
= (pcm
->width
+ real_width
) / 2;
920 pcm
->lbearing
= char_widths
.abcA
;
921 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
922 pcm
->ascent
= FONT_BASE (font
);
923 pcm
->descent
= FONT_DESCENT (font
);
929 /* Either font is not a True-type font, or GetCharABCWidthsW
930 failed (it is not supported on Windows 9x for instance), so we
931 can't determine the full info we would like. All is not lost
932 though - we can call GetTextExtentPoint32 to get rbearing and
933 deduce width based on the font's per-string overhang. lbearing
934 is assumed to be zero. */
936 /* TODO: Some Thai characters (and other composites if Windows
937 supports them) do have lbearing, and report their total width
938 as zero. Need some way of handling them when
939 GetCharABCWidthsW fails. */
942 if (font_type
== UNICODE_FONT
)
943 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
945 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
949 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
950 pcm
->rbearing
= sz
.cx
;
952 pcm
->ascent
= FONT_BASE (font
);
953 pcm
->descent
= FONT_DESCENT (font
);
958 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
963 SelectObject (hdc
, old_font
);
964 ReleaseDC (NULL
, hdc
);
971 w32_per_char_metric (font
, char2b
, font_type
)
974 int /* enum w32_char_font_type */ font_type
;
976 /* The result metric information. */
980 xassert (font
&& char2b
);
982 /* TODO: This function is currently called through the RIF, and in
983 some cases font_type is UNKNOWN_FONT. We currently allow the
984 cached metrics to be used, which seems to work, but in cases
985 where font_type is UNKNOWN_FONT, we probably haven't encoded
986 char2b appropriately. All callers need checking to see what they
987 are passing. This is most likely to affect variable width fonts
988 outside the Latin-1 range, particularly in languages like Thai
989 that rely on rbearing and lbearing to provide composition. I
990 don't think that is working currently anyway, but we don't seem
991 to have anyone testing such languages on Windows. */
993 /* Handle the common cases quickly. */
994 if (!font
->bdf
&& font
->per_char
== NULL
)
995 /* TODO: determine whether char2b exists in font? */
996 return &font
->max_bounds
;
997 else if (!font
->bdf
&& *char2b
< 128)
998 return &font
->per_char
[*char2b
];
1000 xassert (font_type
!= UNKNOWN_FONT
);
1002 pcm
= &font
->scratch
;
1004 if (font_type
== BDF_1D_FONT
)
1005 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
1006 else if (font_type
== BDF_2D_FONT
)
1007 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
1009 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
1018 w32_cache_char_metrics (font
)
1021 wchar_t char2b
= L
'x';
1023 /* Cache char metrics for the common cases. */
1026 /* TODO: determine whether font is fixed-pitch. */
1027 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
1029 /* Use the font width and height as max bounds, as not all BDF
1030 fonts contain the letter 'x'. */
1031 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
1032 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
1033 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
1034 font
->max_bounds
.ascent
= FONT_BASE (font
);
1035 font
->max_bounds
.descent
= FONT_DESCENT (font
);
1040 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
1041 /* Some fonts (eg DBCS fonts) are marked as fixed width even
1042 though they contain characters of different widths. */
1043 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
1045 /* Font is not fixed pitch, so cache per_char info for the
1046 ASCII characters. It would be much more work, and probably
1047 not worth it, to cache other chars, since we may change
1048 between using Unicode and ANSI text drawing functions at
1052 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
1053 for (i
= 0; i
< 128; i
++)
1056 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1057 &font
->per_char
[i
]);
1061 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
1067 /* Determine if a font is double byte. */
1068 int w32_font_is_double_byte (XFontStruct
*font
)
1070 return font
->double_byte_p
;
1075 w32_use_unicode_for_codepage (codepage
)
1078 /* If the current codepage is supported, use Unicode for output. */
1079 return (w32_enable_unicode_output
1080 && codepage
!= CP_8BIT
1081 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
1084 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
1085 the two-byte form of C. Encoding is returned in *CHAR2B. */
1087 static int /* enum w32_char_font_type */
1088 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
1091 struct font_info
*font_info
;
1094 int charset
= CHAR_CHARSET (c
);
1097 int internal_two_byte_p
= 0;
1099 XFontStruct
*font
= font_info
->font
;
1101 internal_two_byte_p
= w32_font_is_double_byte (font
);
1103 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1104 This may be either a program in a special encoder language or a
1106 if (font_info
->font_encoder
)
1108 /* It's a program. */
1109 struct ccl_program
*ccl
= font_info
->font_encoder
;
1111 if (CHARSET_DIMENSION (charset
) == 1)
1113 ccl
->reg
[0] = charset
;
1114 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1119 ccl
->reg
[0] = charset
;
1120 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1121 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1124 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1126 /* We assume that MSBs are appropriately set/reset by CCL
1128 if (!internal_two_byte_p
) /* 1-byte font */
1129 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1131 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1133 else if (font_info
->encoding
[charset
])
1135 /* Fixed encoding scheme. See fontset.h for the meaning of the
1136 encoding numbers. */
1137 int enc
= font_info
->encoding
[charset
];
1139 if ((enc
== 1 || enc
== 2)
1140 && CHARSET_DIMENSION (charset
) == 2)
1141 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1143 if (enc
== 1 || enc
== 3
1144 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1145 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1150 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1152 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1155 codepage
= font_info
->codepage
;
1157 /* If charset is not ASCII or Latin-1, may need to move it into
1159 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1160 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1161 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1164 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1165 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1167 if (codepage
!= CP_UNICODE
)
1170 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1172 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1175 internal_two_byte_p
= 1;
1179 *two_byte_p
= internal_two_byte_p
;
1182 return UNKNOWN_FONT
;
1183 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1188 return UNICODE_FONT
;
1195 /***********************************************************************
1197 ***********************************************************************/
1200 /* Encapsulate the different ways of displaying text under W32. */
1203 w32_text_out (s
, x
, y
,chars
,nchars
)
1204 struct glyph_string
* s
;
1209 int charset_dim
= w32_font_is_double_byte (s
->font
) ? 2 : 1;
1211 w32_BDF_TextOut (s
->font
->bdf
, s
->hdc
,
1212 x
, y
, (char *) chars
, charset_dim
,
1213 nchars
* charset_dim
, 0);
1214 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1215 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1217 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1218 nchars
* charset_dim
, NULL
);
1222 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1223 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1224 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1226 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1227 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1228 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1229 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1230 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1231 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1232 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1233 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1234 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1235 double, int, COLORREF
));
1236 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1237 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1238 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1239 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1240 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1241 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1243 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1244 int, int, int, int, int, int,
1246 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1247 int, int, int, RECT
*));
1250 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1254 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1259 struct glyph_string
*s
;
1261 if (s
->font
== FRAME_FONT (s
->f
)
1262 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1263 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1265 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1268 /* Cursor on non-default face: must merge. */
1272 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1273 xgcv
.foreground
= s
->face
->background
;
1275 /* If the glyph would be invisible, try a different foreground. */
1276 if (xgcv
.foreground
== xgcv
.background
)
1277 xgcv
.foreground
= s
->face
->foreground
;
1278 if (xgcv
.foreground
== xgcv
.background
)
1279 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1280 if (xgcv
.foreground
== xgcv
.background
)
1281 xgcv
.foreground
= s
->face
->foreground
;
1283 /* Make sure the cursor is distinct from text in this face. */
1284 if (xgcv
.background
== s
->face
->background
1285 && xgcv
.foreground
== s
->face
->foreground
)
1287 xgcv
.background
= s
->face
->foreground
;
1288 xgcv
.foreground
= s
->face
->background
;
1291 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1292 xgcv
.font
= s
->font
;
1293 mask
= GCForeground
| GCBackground
| GCFont
;
1295 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1296 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1299 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1300 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1302 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1307 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1310 x_set_mouse_face_gc (s
)
1311 struct glyph_string
*s
;
1316 /* What face has to be used last for the mouse face? */
1317 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1318 face
= FACE_FROM_ID (s
->f
, face_id
);
1320 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1322 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1323 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1325 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1326 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1327 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1329 /* If font in this face is same as S->font, use it. */
1330 if (s
->font
== s
->face
->font
)
1331 s
->gc
= s
->face
->gc
;
1334 /* Otherwise construct scratch_cursor_gc with values from FACE
1339 xgcv
.background
= s
->face
->background
;
1340 xgcv
.foreground
= s
->face
->foreground
;
1341 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1342 xgcv
.font
= s
->font
;
1343 mask
= GCForeground
| GCBackground
| GCFont
;
1345 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1346 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1349 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1350 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1352 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1355 xassert (s
->gc
!= 0);
1359 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1360 Faces to use in the mode line have already been computed when the
1361 matrix was built, so there isn't much to do, here. */
1364 x_set_mode_line_face_gc (s
)
1365 struct glyph_string
*s
;
1367 s
->gc
= s
->face
->gc
;
1371 /* Set S->gc of glyph string S for drawing that glyph string. Set
1372 S->stippled_p to a non-zero value if the face of S has a stipple
1376 x_set_glyph_string_gc (s
)
1377 struct glyph_string
*s
;
1379 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1381 if (s
->hl
== DRAW_NORMAL_TEXT
)
1383 s
->gc
= s
->face
->gc
;
1384 s
->stippled_p
= s
->face
->stipple
!= 0;
1386 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1388 x_set_mode_line_face_gc (s
);
1389 s
->stippled_p
= s
->face
->stipple
!= 0;
1391 else if (s
->hl
== DRAW_CURSOR
)
1393 x_set_cursor_gc (s
);
1396 else if (s
->hl
== DRAW_MOUSE_FACE
)
1398 x_set_mouse_face_gc (s
);
1399 s
->stippled_p
= s
->face
->stipple
!= 0;
1401 else if (s
->hl
== DRAW_IMAGE_RAISED
1402 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1404 s
->gc
= s
->face
->gc
;
1405 s
->stippled_p
= s
->face
->stipple
!= 0;
1409 s
->gc
= s
->face
->gc
;
1410 s
->stippled_p
= s
->face
->stipple
!= 0;
1413 /* GC must have been set. */
1414 xassert (s
->gc
!= 0);
1418 /* Set clipping for output of glyph string S. S may be part of a mode
1419 line or menu if we don't have X toolkit support. */
1422 x_set_glyph_string_clipping (s
)
1423 struct glyph_string
*s
;
1426 get_glyph_string_clip_rect (s
, &r
);
1427 w32_set_clip_rectangle (s
->hdc
, &r
);
1432 Compute left and right overhang of glyph string S. If S is a glyph
1433 string for a composition, assume overhangs don't exist. */
1436 w32_compute_glyph_string_overhangs (s
)
1437 struct glyph_string
*s
;
1439 /* TODO: Windows does not appear to have a method for
1440 getting this info without getting the ABC widths for each
1441 individual character and working it out manually. */
1446 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1447 struct glyph
*glyph
;
1451 HDC hdc
= get_frame_dc (f
);
1452 /* Convert to unicode! */
1453 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1454 release_frame_dc (f
, hdc
);
1458 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1461 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1462 struct glyph_string
*s
;
1470 /* Take clipping into account. */
1471 if (s
->gc
->clip_mask
== Rect
)
1473 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1474 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1475 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1476 - s
->gc
->clip_rectangle
.left
);
1477 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1478 - s
->gc
->clip_rectangle
.top
);
1481 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1486 /* Draw the background of glyph_string S. If S->background_filled_p
1487 is non-zero don't draw it. FORCE_P non-zero means draw the
1488 background even if it wouldn't be drawn normally. This is used
1489 when a string preceding S draws into the background of S, or S
1490 contains the first component of a composition. */
1493 x_draw_glyph_string_background (s
, force_p
)
1494 struct glyph_string
*s
;
1497 /* Nothing to do if background has already been drawn or if it
1498 shouldn't be drawn in the first place. */
1499 if (!s
->background_filled_p
)
1501 int box_line_width
= max (s
->face
->box_line_width
, 0);
1503 #if 0 /* TODO: stipple */
1506 /* Fill background with a stipple pattern. */
1507 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1508 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1509 s
->y
+ box_line_width
,
1510 s
->background_width
,
1511 s
->height
- 2 * box_line_width
);
1512 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1513 s
->background_filled_p
= 1;
1517 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1518 || s
->font_not_found_p
1519 || s
->extends_to_end_of_line_p
1523 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1524 s
->background_width
,
1525 s
->height
- 2 * box_line_width
);
1526 s
->background_filled_p
= 1;
1532 /* Draw the foreground of glyph string S. */
1535 x_draw_glyph_string_foreground (s
)
1536 struct glyph_string
*s
;
1541 /* If first glyph of S has a left box line, start drawing the text
1542 of S to the right of that box line. */
1543 if (s
->face
->box
!= FACE_NO_BOX
1544 && s
->first_glyph
->left_box_line_p
)
1545 x
= s
->x
+ abs (s
->face
->box_line_width
);
1549 if (s
->for_overlaps
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1550 SetBkMode (s
->hdc
, TRANSPARENT
);
1552 SetBkMode (s
->hdc
, OPAQUE
);
1554 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1555 SetBkColor (s
->hdc
, s
->gc
->background
);
1556 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1558 if (s
->font
&& s
->font
->hfont
)
1559 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1561 /* Draw characters of S as rectangles if S's font could not be
1563 if (s
->font_not_found_p
)
1565 for (i
= 0; i
< s
->nchars
; ++i
)
1567 struct glyph
*g
= s
->first_glyph
+ i
;
1569 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1571 x
+= g
->pixel_width
;
1576 char *char1b
= (char *) s
->char2b
;
1577 int boff
= s
->font_info
->baseline_offset
;
1579 if (s
->font_info
->vertical_centering
)
1580 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1582 /* If we can use 8-bit functions, condense S->char2b. */
1584 for (i
= 0; i
< s
->nchars
; ++i
)
1585 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1587 /* Draw text with TextOut and friends. */
1588 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1590 if (s
->face
->overstrike
)
1592 /* For overstriking (to simulate bold-face), draw the
1593 characters again shifted to the right by one pixel. */
1594 int old_BkMode
= SetBkMode (s
->hdc
, TRANSPARENT
);
1595 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1596 if (old_BkMode
&& old_BkMode
!= TRANSPARENT
)
1597 SetBkMode (s
->hdc
, old_BkMode
);
1600 if (s
->font
&& s
->font
->hfont
)
1601 SelectObject (s
->hdc
, old_font
);
1604 /* Draw the foreground of composite glyph string S. */
1607 x_draw_composite_glyph_string_foreground (s
)
1608 struct glyph_string
*s
;
1613 /* If first glyph of S has a left box line, start drawing the text
1614 of S to the right of that box line. */
1615 if (s
->face
->box
!= FACE_NO_BOX
1616 && s
->first_glyph
->left_box_line_p
)
1617 x
= s
->x
+ abs (s
->face
->box_line_width
);
1621 /* S is a glyph string for a composition. S->gidx is the index of
1622 the first character drawn for glyphs of this composition.
1623 S->gidx == 0 means we are drawing the very first character of
1624 this composition. */
1626 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1627 SetBkColor (s
->hdc
, s
->gc
->background
);
1628 SetBkMode (s
->hdc
, TRANSPARENT
);
1629 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1631 if (s
->font
&& s
->font
->hfont
)
1632 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1634 /* Draw a rectangle for the composition if the font for the very
1635 first character of the composition could not be loaded. */
1636 if (s
->font_not_found_p
)
1639 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1644 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1646 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1647 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1649 if (s
->face
->overstrike
)
1650 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1651 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1656 if (s
->font
&& s
->font
->hfont
)
1657 SelectObject (s
->hdc
, old_font
);
1661 /* Brightness beyond which a color won't have its highlight brightness
1664 Nominally, highlight colors for `3d' faces are calculated by
1665 brightening an object's color by a constant scale factor, but this
1666 doesn't yield good results for dark colors, so for colors who's
1667 brightness is less than this value (on a scale of 0-255) have to
1668 use an additional additive factor.
1670 The value here is set so that the default menu-bar/mode-line color
1671 (grey75) will not have its highlights changed at all. */
1672 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1675 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1676 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1677 If this produces the same color as COLOR, try a color where all RGB
1678 values have DELTA added. Return the allocated color in *COLOR.
1679 DISPLAY is the X display, CMAP is the colormap to operate on.
1680 Value is non-zero if successful. */
1683 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1692 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1695 /* Change RGB values by specified FACTOR. Avoid overflow! */
1696 xassert (factor
>= 0);
1697 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1698 min (0xff, factor
* GetGValue (*color
)),
1699 min (0xff, factor
* GetBValue (*color
)));
1701 /* Calculate brightness of COLOR. */
1702 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1703 + GetBValue (*color
)) / 6;
1705 /* We only boost colors that are darker than
1706 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1707 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1708 /* Make an additive adjustment to NEW, because it's dark enough so
1709 that scaling by FACTOR alone isn't enough. */
1711 /* How far below the limit this color is (0 - 1, 1 being darker). */
1712 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1713 /* The additive adjustment. */
1714 int min_delta
= delta
* dimness
* factor
/ 2;
1717 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1718 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1719 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1721 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1722 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1723 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1727 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1728 max (0, min (0xff, delta
+ GetGValue (*color
))),
1729 max (0, min (0xff, delta
+ GetBValue (*color
))));
1731 /* TODO: Map to palette and retry with delta if same? */
1732 /* TODO: Free colors (if using palette)? */
1743 /* Set up the foreground color for drawing relief lines of glyph
1744 string S. RELIEF is a pointer to a struct relief containing the GC
1745 with which lines will be drawn. Use a color that is FACTOR or
1746 DELTA lighter or darker than the relief's background which is found
1747 in S->f->output_data.x->relief_background. If such a color cannot
1748 be allocated, use DEFAULT_PIXEL, instead. */
1751 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1753 struct relief
*relief
;
1756 COLORREF default_pixel
;
1759 struct w32_output
*di
= f
->output_data
.w32
;
1760 unsigned long mask
= GCForeground
;
1762 COLORREF background
= di
->relief_background
;
1763 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1765 /* TODO: Free colors (if using palette)? */
1767 /* Allocate new color. */
1768 xgcv
.foreground
= default_pixel
;
1770 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1772 relief
->allocated_p
= 1;
1773 xgcv
.foreground
= relief
->pixel
= pixel
;
1776 if (relief
->gc
== 0)
1778 #if 0 /* TODO: stipple */
1779 xgcv
.stipple
= dpyinfo
->gray
;
1782 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1785 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1789 /* Set up colors for the relief lines around glyph string S. */
1792 x_setup_relief_colors (s
)
1793 struct glyph_string
*s
;
1795 struct w32_output
*di
= s
->f
->output_data
.w32
;
1798 if (s
->face
->use_box_color_for_shadows_p
)
1799 color
= s
->face
->box_color
;
1800 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1802 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1803 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1805 color
= s
->gc
->background
;
1807 if (di
->white_relief
.gc
== 0
1808 || color
!= di
->relief_background
)
1810 di
->relief_background
= color
;
1811 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1812 WHITE_PIX_DEFAULT (s
->f
));
1813 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1814 BLACK_PIX_DEFAULT (s
->f
));
1819 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1820 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1821 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1822 relief. LEFT_P non-zero means draw a relief on the left side of
1823 the rectangle. RIGHT_P non-zero means draw a relief on the right
1824 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1828 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1829 raised_p
, top_p
, bot_p
, left_p
, right_p
, clip_rect
)
1831 int left_x
, top_y
, right_x
, bottom_y
, width
;
1832 int top_p
, bot_p
, left_p
, right_p
, raised_p
;
1837 HDC hdc
= get_frame_dc (f
);
1840 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1842 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1844 w32_set_clip_rectangle (hdc
, clip_rect
);
1848 for (i
= 0; i
< width
; ++i
)
1849 w32_fill_area (f
, hdc
, gc
.foreground
,
1850 left_x
+ i
* left_p
, top_y
+ i
,
1851 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1855 for (i
= 0; i
< width
; ++i
)
1856 w32_fill_area (f
, hdc
, gc
.foreground
,
1857 left_x
+ i
, top_y
+ i
, 1,
1858 bottom_y
- top_y
- 2 * i
+ 1);
1861 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1863 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1867 for (i
= 0; i
< width
; ++i
)
1868 w32_fill_area (f
, hdc
, gc
.foreground
,
1869 left_x
+ i
* left_p
, bottom_y
- i
,
1870 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1874 for (i
= 0; i
< width
; ++i
)
1875 w32_fill_area (f
, hdc
, gc
.foreground
,
1876 right_x
- i
, top_y
+ i
+ 1, 1,
1877 bottom_y
- top_y
- 2 * i
- 1);
1879 w32_set_clip_rectangle (hdc
, NULL
);
1881 release_frame_dc (f
, hdc
);
1885 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1886 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1887 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1888 left side of the rectangle. RIGHT_P non-zero means draw a line
1889 on the right side of the rectangle. CLIP_RECT is the clipping
1890 rectangle to use when drawing. */
1893 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1894 left_p
, right_p
, clip_rect
)
1895 struct glyph_string
*s
;
1896 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1899 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1902 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1903 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1908 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1909 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1913 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1914 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1919 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1920 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1923 w32_set_clip_rectangle (s
->hdc
, NULL
);
1927 /* Draw a box around glyph string S. */
1930 x_draw_glyph_string_box (s
)
1931 struct glyph_string
*s
;
1933 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1934 int left_p
, right_p
;
1935 struct glyph
*last_glyph
;
1938 last_x
= ((s
->row
->full_width_p
&& !s
->w
->pseudo_window_p
)
1939 ? WINDOW_RIGHT_EDGE_X (s
->w
)
1940 : window_box_right (s
->w
, s
->area
));
1942 /* The glyph that may have a right box line. */
1943 last_glyph
= (s
->cmp
|| s
->img
1945 : s
->first_glyph
+ s
->nchars
- 1);
1947 width
= abs (s
->face
->box_line_width
);
1948 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1950 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1952 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1954 bottom_y
= top_y
+ s
->height
- 1;
1956 left_p
= (s
->first_glyph
->left_box_line_p
1957 || (s
->hl
== DRAW_MOUSE_FACE
1959 || s
->prev
->hl
!= s
->hl
)));
1960 right_p
= (last_glyph
->right_box_line_p
1961 || (s
->hl
== DRAW_MOUSE_FACE
1963 || s
->next
->hl
!= s
->hl
)));
1965 get_glyph_string_clip_rect (s
, &clip_rect
);
1967 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1968 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1969 left_p
, right_p
, &clip_rect
);
1972 x_setup_relief_colors (s
);
1973 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1974 width
, raised_p
, 1, 1, left_p
, right_p
, &clip_rect
);
1979 /* Draw foreground of image glyph string S. */
1982 x_draw_image_foreground (s
)
1983 struct glyph_string
*s
;
1986 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
1988 /* If first glyph of S has a left box line, start drawing it to the
1989 right of that line. */
1990 if (s
->face
->box
!= FACE_NO_BOX
1991 && s
->first_glyph
->left_box_line_p
1993 x
+= abs (s
->face
->box_line_width
);
1995 /* If there is a margin around the image, adjust x- and y-position
1997 if (s
->slice
.x
== 0)
1998 x
+= s
->img
->hmargin
;
1999 if (s
->slice
.y
== 0)
2000 y
+= s
->img
->vmargin
;
2006 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2007 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2008 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2009 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2010 SetBkColor (compat_hdc
, RGB (255, 255, 255));
2011 SetTextColor (s
->hdc
, RGB (0, 0, 0));
2012 x_set_glyph_string_clipping (s
);
2016 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
2017 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2019 SetTextColor (s
->hdc
, RGB (255, 255, 255));
2020 SetBkColor (s
->hdc
, RGB (0, 0, 0));
2022 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2023 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2024 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2025 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2026 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2027 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2029 SelectObject (mask_dc
, mask_orig_obj
);
2034 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2035 SetBkColor (s
->hdc
, s
->gc
->background
);
2037 BitBlt (s
->hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2038 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2040 /* When the image has a mask, we can expect that at
2041 least part of a mouse highlight or a block cursor will
2042 be visible. If the image doesn't have a mask, make
2043 a block cursor visible by drawing a rectangle around
2044 the image. I believe it's looking better if we do
2045 nothing here for mouse-face. */
2046 if (s
->hl
== DRAW_CURSOR
)
2048 int r
= s
->img
->relief
;
2050 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
2051 s
->slice
.width
+ r
*2 - 1,
2052 s
->slice
.height
+ r
*2 - 1);
2056 w32_set_clip_rectangle (s
->hdc
, NULL
);
2057 SelectObject (s
->hdc
, orig_brush
);
2058 DeleteObject (fg_brush
);
2059 SelectObject (compat_hdc
, orig_obj
);
2060 DeleteDC (compat_hdc
);
2063 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
,
2064 s
->slice
.width
- 1, s
->slice
.height
- 1);
2066 RestoreDC (s
->hdc
,-1);
2070 /* Draw a relief around the image glyph string S. */
2073 x_draw_image_relief (s
)
2074 struct glyph_string
*s
;
2076 int x0
, y0
, x1
, y1
, thick
, raised_p
;
2079 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2081 /* If first glyph of S has a left box line, start drawing it to the
2082 right of that line. */
2083 if (s
->face
->box
!= FACE_NO_BOX
2084 && s
->first_glyph
->left_box_line_p
2086 x
+= abs (s
->face
->box_line_width
);
2088 /* If there is a margin around the image, adjust x- and y-position
2090 if (s
->slice
.x
== 0)
2091 x
+= s
->img
->hmargin
;
2092 if (s
->slice
.y
== 0)
2093 y
+= s
->img
->vmargin
;
2095 if (s
->hl
== DRAW_IMAGE_SUNKEN
2096 || s
->hl
== DRAW_IMAGE_RAISED
)
2098 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2099 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2103 thick
= abs (s
->img
->relief
);
2104 raised_p
= s
->img
->relief
> 0;
2109 x1
= x
+ s
->slice
.width
+ thick
- 1;
2110 y1
= y
+ s
->slice
.height
+ thick
- 1;
2112 x_setup_relief_colors (s
);
2113 get_glyph_string_clip_rect (s
, &r
);
2114 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
,
2116 s
->slice
.y
+ s
->slice
.height
== s
->img
->height
,
2118 s
->slice
.x
+ s
->slice
.width
== s
->img
->width
,
2123 /* Draw the foreground of image glyph string S to PIXMAP. */
2126 w32_draw_image_foreground_1 (s
, pixmap
)
2127 struct glyph_string
*s
;
2130 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2131 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2133 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
, &s
->slice
);
2135 /* If first glyph of S has a left box line, start drawing it to the
2136 right of that line. */
2137 if (s
->face
->box
!= FACE_NO_BOX
2138 && s
->first_glyph
->left_box_line_p
2140 x
+= abs (s
->face
->box_line_width
);
2142 /* If there is a margin around the image, adjust x- and y-position
2144 if (s
->slice
.x
== 0)
2145 x
+= s
->img
->hmargin
;
2146 if (s
->slice
.y
== 0)
2147 y
+= s
->img
->vmargin
;
2151 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2152 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2153 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2154 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2158 HDC mask_dc
= CreateCompatibleDC (hdc
);
2159 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2161 SetTextColor (hdc
, RGB (0, 0, 0));
2162 SetBkColor (hdc
, RGB (255, 255, 255));
2163 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2164 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2165 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2166 mask_dc
, s
->slice
.x
, s
->slice
.y
, SRCAND
);
2167 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2168 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCINVERT
);
2170 SelectObject (mask_dc
, mask_orig_obj
);
2175 SetTextColor (hdc
, s
->gc
->foreground
);
2176 SetBkColor (hdc
, s
->gc
->background
);
2178 BitBlt (hdc
, x
, y
, s
->slice
.width
, s
->slice
.height
,
2179 compat_hdc
, s
->slice
.x
, s
->slice
.y
, SRCCOPY
);
2181 /* When the image has a mask, we can expect that at
2182 least part of a mouse highlight or a block cursor will
2183 be visible. If the image doesn't have a mask, make
2184 a block cursor visible by drawing a rectangle around
2185 the image. I believe it's looking better if we do
2186 nothing here for mouse-face. */
2187 if (s
->hl
== DRAW_CURSOR
)
2189 int r
= s
->img
->relief
;
2191 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2192 s
->slice
.width
+ r
*2 - 1,
2193 s
->slice
.height
+ r
*2 - 1);
2197 SelectObject (hdc
, orig_brush
);
2198 DeleteObject (fg_brush
);
2199 SelectObject (compat_hdc
, orig_obj
);
2200 DeleteDC (compat_hdc
);
2203 w32_draw_rectangle (hdc
, s
->gc
, x
, y
,
2204 s
->slice
.width
- 1, s
->slice
.height
- 1);
2206 SelectObject (hdc
, orig_hdc_obj
);
2211 /* Draw part of the background of glyph string S. X, Y, W, and H
2212 give the rectangle to draw. */
2215 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2216 struct glyph_string
*s
;
2219 #if 0 /* TODO: stipple */
2222 /* Fill background with a stipple pattern. */
2223 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2224 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2225 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2229 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2233 /* Draw image glyph string S.
2236 s->x +-------------------------
2239 | +-------------------------
2242 | | +-------------------
2248 x_draw_image_glyph_string (s
)
2249 struct glyph_string
*s
;
2252 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2253 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2257 height
= s
->height
- 2 * box_line_vwidth
;
2259 /* Fill background with face under the image. Do it only if row is
2260 taller than image or if image has a clip mask to reduce
2262 s
->stippled_p
= s
->face
->stipple
!= 0;
2263 if (height
> s
->slice
.height
2267 || s
->img
->pixmap
== 0
2268 || s
->width
!= s
->background_width
)
2271 if (s
->first_glyph
->left_box_line_p
2273 x
+= box_line_hwidth
;
2276 if (s
->slice
.y
== 0)
2277 y
+= box_line_vwidth
;
2279 #if 0 /* TODO: figure out if we need to do this on Windows. */
2282 /* Create a pixmap as large as the glyph string. Fill it
2283 with the background color. Copy the image to it, using
2284 its mask. Copy the temporary pixmap to the display. */
2285 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2286 int depth
= DefaultDepthOfScreen (screen
);
2288 /* Create a pixmap as large as the glyph string. */
2289 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2290 s
->background_width
,
2293 /* Don't clip in the following because we're working on the
2295 XSetClipMask (s
->display
, s
->gc
, None
);
2297 /* Fill the pixmap with the background color/stipple. */
2300 /* Fill background with a stipple pattern. */
2301 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2302 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2303 0, 0, s
->background_width
, s
->height
);
2304 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2309 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2311 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2312 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2313 0, 0, s
->background_width
, s
->height
);
2314 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2319 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2321 s
->background_filled_p
= 1;
2324 /* Draw the foreground. */
2327 w32_draw_image_foreground_1 (s
, pixmap
);
2328 x_set_glyph_string_clipping (s
);
2330 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2331 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2332 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2333 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2335 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2336 SetBkColor (s
->hdc
, s
->gc
->background
);
2337 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2338 compat_hdc
, 0, 0, SRCCOPY
);
2340 SelectObject (s
->hdc
, orig_brush
);
2341 DeleteObject (fg_brush
);
2342 SelectObject (compat_hdc
, orig_obj
);
2343 DeleteDC (compat_hdc
);
2345 DeleteObject (pixmap
);
2349 x_draw_image_foreground (s
);
2351 /* If we must draw a relief around the image, do it. */
2353 || s
->hl
== DRAW_IMAGE_RAISED
2354 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2355 x_draw_image_relief (s
);
2359 /* Draw stretch glyph string S. */
2362 x_draw_stretch_glyph_string (s
)
2363 struct glyph_string
*s
;
2365 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2366 s
->stippled_p
= s
->face
->stipple
!= 0;
2368 if (s
->hl
== DRAW_CURSOR
2369 && !x_stretch_cursor_p
)
2371 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2372 as wide as the stretch glyph. */
2373 int width
, background_width
= s
->background_width
;
2374 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2378 background_width
-= left_x
- x
;
2381 width
= min (FRAME_COLUMN_WIDTH (s
->f
), background_width
);
2384 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, width
, s
->height
);
2386 /* Clear rest using the GC of the original non-cursor face. */
2387 if (width
< background_width
)
2389 XGCValues
*gc
= s
->face
->gc
;
2391 int w
= background_width
- width
, h
= s
->height
;
2396 if (s
->row
->mouse_face_p
2397 && cursor_in_mouse_face_p (s
->w
))
2399 x_set_mouse_face_gc (s
);
2405 get_glyph_string_clip_rect (s
, &r
);
2406 w32_set_clip_rectangle (hdc
, &r
);
2408 #if 0 /* TODO: stipple */
2409 if (s
->face
->stipple
)
2411 /* Fill background with a stipple pattern. */
2412 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2413 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2414 XSetFillStyle (s
->display
, gc
, FillSolid
);
2419 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2423 else if (!s
->background_filled_p
)
2425 int background_width
= s
->background_width
;
2426 int x
= s
->x
, left_x
= window_box_left_offset (s
->w
, TEXT_AREA
);
2428 /* Don't draw into left margin, fringe or scrollbar area
2429 except for header line and mode line. */
2430 if (x
< left_x
&& !s
->row
->mode_line_p
)
2432 background_width
-= left_x
- x
;
2435 if (background_width
> 0)
2436 x_draw_glyph_string_bg_rect (s
, x
, s
->y
, background_width
, s
->height
);
2439 s
->background_filled_p
= 1;
2443 /* Draw glyph string S. */
2446 x_draw_glyph_string (s
)
2447 struct glyph_string
*s
;
2449 int relief_drawn_p
= 0;
2451 /* If S draws into the background of its successor, draw the
2452 background of the successor first so that S can draw into it.
2453 This makes S->next use XDrawString instead of XDrawImageString. */
2454 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps
)
2456 xassert (s
->next
->img
== NULL
);
2457 x_set_glyph_string_gc (s
->next
);
2458 x_set_glyph_string_clipping (s
->next
);
2459 x_draw_glyph_string_background (s
->next
, 1);
2462 /* Set up S->gc, set clipping and draw S. */
2463 x_set_glyph_string_gc (s
);
2465 /* Draw relief (if any) in advance for char/composition so that the
2466 glyph string can be drawn over it. */
2467 if (!s
->for_overlaps
2468 && s
->face
->box
!= FACE_NO_BOX
2469 && (s
->first_glyph
->type
== CHAR_GLYPH
2470 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2473 x_set_glyph_string_clipping (s
);
2474 x_draw_glyph_string_background (s
, 1);
2475 x_draw_glyph_string_box (s
);
2476 x_set_glyph_string_clipping (s
);
2480 x_set_glyph_string_clipping (s
);
2482 switch (s
->first_glyph
->type
)
2485 x_draw_image_glyph_string (s
);
2489 x_draw_stretch_glyph_string (s
);
2493 if (s
->for_overlaps
)
2494 s
->background_filled_p
= 1;
2496 x_draw_glyph_string_background (s
, 0);
2497 x_draw_glyph_string_foreground (s
);
2500 case COMPOSITE_GLYPH
:
2501 if (s
->for_overlaps
|| s
->gidx
> 0)
2502 s
->background_filled_p
= 1;
2504 x_draw_glyph_string_background (s
, 1);
2505 x_draw_composite_glyph_string_foreground (s
);
2512 if (!s
->for_overlaps
)
2514 /* Draw underline. */
2515 if (s
->face
->underline_p
2516 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2518 unsigned long h
= 1;
2519 unsigned long dy
= 0;
2521 if (x_underline_at_descent_line
)
2525 /* TODO: Use font information for positioning and thickness of
2526 underline. See OUTLINETEXTMETRIC, and xterm.c. Note: If
2527 you make this work, don't forget to change the doc string of
2528 x-use-underline-position-properties below. */
2531 if (s
->face
->underline_defaulted_p
)
2533 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2534 s
->y
+ dy
, s
->background_width
, 1);
2538 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2539 s
->y
+ dy
, s
->background_width
, 1);
2543 /* Draw overline. */
2544 if (s
->face
->overline_p
)
2546 unsigned long dy
= 0, h
= 1;
2548 if (s
->face
->overline_color_defaulted_p
)
2550 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2551 s
->y
+ dy
, s
->background_width
, h
);
2555 w32_fill_area (s
->f
, s
->hdc
, s
->face
->overline_color
, s
->x
,
2556 s
->y
+ dy
, s
->background_width
, h
);
2560 /* Draw strike-through. */
2561 if (s
->face
->strike_through_p
2562 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2564 unsigned long h
= 1;
2565 unsigned long dy
= (s
->height
- h
) / 2;
2567 if (s
->face
->strike_through_color_defaulted_p
)
2569 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2574 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2575 s
->y
+ dy
, s
->width
, h
);
2580 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2581 x_draw_glyph_string_box (s
);
2584 /* Reset clipping. */
2585 w32_set_clip_rectangle (s
->hdc
, NULL
);
2589 /* Shift display to make room for inserted glyphs. */
2592 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2594 int x
, y
, width
, height
, shift_by
;
2598 hdc
= get_frame_dc (f
);
2599 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2600 hdc
, x
, y
, SRCCOPY
);
2602 release_frame_dc (f
, hdc
);
2606 /* Delete N glyphs at the nominal cursor position. Not implemented
2618 f
= SELECTED_FRAME ();
2620 if (! FRAME_W32_P (f
))
2627 /* Clear entire frame. If updating_frame is non-null, clear that
2628 frame. Otherwise clear the selected frame. */
2638 f
= SELECTED_FRAME ();
2640 if (! FRAME_W32_P (f
))
2643 /* Clearing the frame will erase any cursor, so mark them all as no
2645 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2646 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2647 output_cursor
.x
= -1;
2649 /* We don't set the output cursor here because there will always
2650 follow an explicit cursor_to. */
2653 w32_clear_window (f
);
2655 /* We have to clear the scroll bars, too. If we have changed
2656 colors or something like that, then they should be notified. */
2657 x_scroll_bar_clear (f
);
2663 /* Make audible bell. */
2666 w32_ring_bell (void)
2670 f
= SELECTED_FRAME ();
2674 if (FRAME_W32_P (f
) && visible_bell
)
2677 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2679 for (i
= 0; i
< 5; i
++)
2681 FlashWindow (hwnd
, TRUE
);
2684 FlashWindow (hwnd
, FALSE
);
2687 w32_sys_ring_bell ();
2693 /* Specify how many text lines, from the top of the window,
2694 should be affected by insert-lines and delete-lines operations.
2695 This, and those operations, are used only within an update
2696 that is bounded by calls to x_update_begin and x_update_end. */
2699 w32_set_terminal_window (n
)
2702 /* This function intentionally left blank. */
2706 /***********************************************************************
2708 ***********************************************************************/
2710 /* Perform an insert-lines or delete-lines operation, inserting N
2711 lines or deleting -N lines at vertical position VPOS. */
2714 x_ins_del_lines (vpos
, n
)
2722 f
= SELECTED_FRAME ();
2724 if (! FRAME_W32_P (f
))
2731 /* Scroll part of the display as described by RUN. */
2734 x_scroll_run (w
, run
)
2738 struct frame
*f
= XFRAME (w
->frame
);
2739 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2740 HWND hwnd
= FRAME_W32_WINDOW (f
);
2743 /* Get frame-relative bounding box of the text display area of W,
2744 without mode lines. Include in this box the left and right
2746 window_box (w
, -1, &x
, &y
, &width
, &height
);
2748 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2749 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2750 bottom_y
= y
+ height
;
2754 /* Scrolling up. Make sure we don't copy part of the mode
2755 line at the bottom. */
2756 if (from_y
+ run
->height
> bottom_y
)
2757 height
= bottom_y
- from_y
;
2759 height
= run
->height
;
2760 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2764 /* Scolling down. Make sure we don't copy over the mode line.
2766 if (to_y
+ run
->height
> bottom_y
)
2767 height
= bottom_y
- to_y
;
2769 height
= run
->height
;
2770 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2775 /* Cursor off. Will be switched on again in x_update_window_end. */
2782 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2783 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2785 from
.left
= to
.left
= x
;
2786 from
.right
= to
.right
= x
+ width
;
2788 from
.bottom
= from_y
+ height
;
2790 to
.bottom
= bottom_y
;
2792 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2793 NULL
, SW_INVALIDATE
);
2795 /* Combine this with what we expect to be dirty. This covers the
2796 case where not all of the region we expect is actually dirty. */
2797 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2799 /* If the dirty region is not what we expected, redraw the entire frame. */
2800 if (!EqualRgn (combined
, expect_dirty
))
2801 SET_FRAME_GARBAGED (f
);
2803 DeleteObject (dirty
);
2804 DeleteObject (combined
);
2808 DeleteObject (expect_dirty
);
2813 /***********************************************************************
2815 ***********************************************************************/
2821 x_update_cursor (f
, 1);
2825 frame_unhighlight (f
)
2828 x_update_cursor (f
, 1);
2831 /* The focus has changed. Update the frames as necessary to reflect
2832 the new situation. Note that we can't change the selected frame
2833 here, because the Lisp code we are interrupting might become confused.
2834 Each event gets marked with the frame in which it occurred, so the
2835 Lisp code can tell when the switch took place by examining the events. */
2838 x_new_focus_frame (dpyinfo
, frame
)
2839 struct w32_display_info
*dpyinfo
;
2840 struct frame
*frame
;
2842 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2844 if (frame
!= dpyinfo
->w32_focus_frame
)
2846 /* Set this before calling other routines, so that they see
2847 the correct value of w32_focus_frame. */
2848 dpyinfo
->w32_focus_frame
= frame
;
2850 if (old_focus
&& old_focus
->auto_lower
)
2851 x_lower_frame (old_focus
);
2853 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2854 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2856 pending_autoraise_frame
= 0;
2859 x_frame_rehighlight (dpyinfo
);
2863 /* Handle FocusIn and FocusOut state changes for FRAME.
2864 If FRAME has focus and there exists more than one frame, puts
2865 a FOCUS_IN_EVENT into *BUFP. */
2868 x_focus_changed (type
, state
, dpyinfo
, frame
, bufp
)
2871 struct w32_display_info
*dpyinfo
;
2872 struct frame
*frame
;
2873 struct input_event
*bufp
;
2875 if (type
== WM_SETFOCUS
)
2877 if (dpyinfo
->w32_focus_event_frame
!= frame
)
2879 x_new_focus_frame (dpyinfo
, frame
);
2880 dpyinfo
->w32_focus_event_frame
= frame
;
2882 /* Don't stop displaying the initial startup message
2883 for a switch-frame event we don't need. */
2884 if (GC_NILP (Vterminal_frame
)
2885 && GC_CONSP (Vframe_list
)
2886 && !GC_NILP (XCDR (Vframe_list
)))
2888 bufp
->kind
= FOCUS_IN_EVENT
;
2889 XSETFRAME (bufp
->frame_or_window
, frame
);
2893 frame
->output_data
.x
->focus_state
|= state
;
2895 /* TODO: IME focus? */
2897 else if (type
== WM_KILLFOCUS
)
2899 frame
->output_data
.x
->focus_state
&= ~state
;
2901 if (dpyinfo
->w32_focus_event_frame
== frame
)
2903 dpyinfo
->w32_focus_event_frame
= 0;
2904 x_new_focus_frame (dpyinfo
, 0);
2907 /* TODO: IME focus? */
2912 /* The focus may have changed. Figure out if it is a real focus change,
2913 by checking both FocusIn/Out and Enter/LeaveNotify events.
2915 Returns FOCUS_IN_EVENT event in *BUFP. */
2918 w32_detect_focus_change (dpyinfo
, event
, bufp
)
2919 struct w32_display_info
*dpyinfo
;
2921 struct input_event
*bufp
;
2923 struct frame
*frame
;
2925 frame
= x_any_window_to_frame (dpyinfo
, event
->msg
.hwnd
);
2929 /* On w32, this is only called from focus events, so no switch needed. */
2930 x_focus_changed (event
->msg
.message
,
2931 (event
->msg
.message
== WM_KILLFOCUS
?
2932 FOCUS_IMPLICIT
: FOCUS_EXPLICIT
),
2933 dpyinfo
, frame
, bufp
);
2937 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2940 x_mouse_leave (dpyinfo
)
2941 struct w32_display_info
*dpyinfo
;
2943 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2946 /* The focus has changed, or we have redirected a frame's focus to
2947 another frame (this happens when a frame uses a surrogate
2948 mini-buffer frame). Shift the highlight as appropriate.
2950 The FRAME argument doesn't necessarily have anything to do with which
2951 frame is being highlighted or un-highlighted; we only use it to find
2952 the appropriate X display info. */
2955 w32_frame_rehighlight (frame
)
2956 struct frame
*frame
;
2958 if (! FRAME_W32_P (frame
))
2960 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2964 x_frame_rehighlight (dpyinfo
)
2965 struct w32_display_info
*dpyinfo
;
2967 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2969 if (dpyinfo
->w32_focus_frame
)
2971 dpyinfo
->x_highlight_frame
2972 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2973 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2974 : dpyinfo
->w32_focus_frame
);
2975 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2977 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2978 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2982 dpyinfo
->x_highlight_frame
= 0;
2984 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2987 frame_unhighlight (old_highlight
);
2988 if (dpyinfo
->x_highlight_frame
)
2989 frame_highlight (dpyinfo
->x_highlight_frame
);
2993 /* Keyboard processing - modifier keys, etc. */
2995 /* Convert a keysym to its name. */
2998 x_get_keysym_name (keysym
)
3001 /* Make static so we can always return it */
3002 static char value
[100];
3005 GetKeyNameText (keysym
, value
, 100);
3013 /* Mouse clicks and mouse movement. Rah. */
3015 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
3016 the state in PUP. XBUTTON provides extra information for extended mouse
3017 button messages. Returns FALSE if unable to parse the message. */
3019 parse_button (message
, xbutton
, pbutton
, pup
)
3030 case WM_LBUTTONDOWN
:
3038 case WM_MBUTTONDOWN
:
3039 if (NILP (Vw32_swap_mouse_buttons
))
3046 if (NILP (Vw32_swap_mouse_buttons
))
3052 case WM_RBUTTONDOWN
:
3053 if (NILP (Vw32_swap_mouse_buttons
))
3060 if (NILP (Vw32_swap_mouse_buttons
))
3066 case WM_XBUTTONDOWN
:
3067 button
= xbutton
+ 2;
3071 button
= xbutton
+ 2;
3079 if (pbutton
) *pbutton
= button
;
3085 /* Prepare a mouse-event in *RESULT for placement in the input queue.
3087 If the event is a button press, then note that we have grabbed
3091 construct_mouse_click (result
, msg
, f
)
3092 struct input_event
*result
;
3099 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
3102 /* Make the event type NO_EVENT; we'll change that when we decide
3104 result
->kind
= MOUSE_CLICK_EVENT
;
3105 result
->code
= button
;
3106 result
->timestamp
= msg
->msg
.time
;
3107 result
->modifiers
= (msg
->dwModifiers
3112 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
3113 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
3114 XSETFRAME (result
->frame_or_window
, f
);
3120 construct_mouse_wheel (result
, msg
, f
)
3121 struct input_event
*result
;
3128 result
->kind
= WHEEL_EVENT
;
3130 result
->timestamp
= msg
->msg
.time
;
3132 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
3133 forward, away from the user (up); a negative value indicates that
3134 the wheel was rotated backward, toward the user (down). */
3135 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
3137 /* The up and down modifiers indicate if the wheel was rotated up or
3138 down based on WHEEL_DELTA value. */
3139 result
->modifiers
= (msg
->dwModifiers
3140 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
3142 /* With multiple monitors, we can legitimately get negative
3143 coordinates, so cast to short to interpret them correctly. */
3144 p
.x
= (short) LOWORD (msg
->msg
.lParam
);
3145 p
.y
= (short) HIWORD (msg
->msg
.lParam
);
3146 ScreenToClient (msg
->msg
.hwnd
, &p
);
3147 XSETINT (result
->x
, p
.x
);
3148 XSETINT (result
->y
, p
.y
);
3149 XSETFRAME (result
->frame_or_window
, f
);
3155 construct_drag_n_drop (result
, msg
, f
)
3156 struct input_event
*result
;
3168 result
->kind
= DRAG_N_DROP_EVENT
;
3170 result
->timestamp
= msg
->msg
.time
;
3171 result
->modifiers
= msg
->dwModifiers
;
3173 hdrop
= (HDROP
) msg
->msg
.wParam
;
3174 DragQueryPoint (hdrop
, &p
);
3177 p
.x
= LOWORD (msg
->msg
.lParam
);
3178 p
.y
= HIWORD (msg
->msg
.lParam
);
3179 ScreenToClient (msg
->msg
.hwnd
, &p
);
3182 XSETINT (result
->x
, p
.x
);
3183 XSETINT (result
->y
, p
.y
);
3185 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
3188 for (i
= 0; i
< num_files
; i
++)
3190 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
3193 name
= alloca (len
+ 1);
3194 DragQueryFile (hdrop
, i
, name
, len
+ 1);
3195 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
3200 XSETFRAME (frame
, f
);
3201 result
->frame_or_window
= frame
;
3202 result
->arg
= files
;
3207 /* Function to report a mouse movement to the mainstream Emacs code.
3208 The input handler calls this.
3210 We have received a mouse movement event, which is given in *event.
3211 If the mouse is over a different glyph than it was last time, tell
3212 the mainstream emacs code by setting mouse_moved. If not, ask for
3213 another motion event, so we can check again the next time it moves. */
3215 static MSG last_mouse_motion_event
;
3216 static Lisp_Object last_mouse_motion_frame
;
3219 note_mouse_movement (frame
, msg
)
3223 int mouse_x
= LOWORD (msg
->lParam
);
3224 int mouse_y
= HIWORD (msg
->lParam
);
3226 last_mouse_movement_time
= msg
->time
;
3227 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3228 XSETFRAME (last_mouse_motion_frame
, frame
);
3230 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3232 frame
->mouse_moved
= 1;
3233 last_mouse_scroll_bar
= Qnil
;
3234 note_mouse_highlight (frame
, -1, -1);
3235 last_mouse_glyph_frame
= 0;
3239 /* Has the mouse moved off the glyph it was on at the last sighting? */
3240 if (frame
!= last_mouse_glyph_frame
3241 || mouse_x
< last_mouse_glyph
.left
3242 || mouse_x
>= last_mouse_glyph
.right
3243 || mouse_y
< last_mouse_glyph
.top
3244 || mouse_y
>= last_mouse_glyph
.bottom
)
3246 frame
->mouse_moved
= 1;
3247 last_mouse_scroll_bar
= Qnil
;
3248 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3249 /* Remember the mouse position here, as w32_mouse_position only
3250 gets called when mouse tracking is enabled but we also need
3251 to keep track of the mouse for help_echo and highlighting at
3253 remember_mouse_glyph (frame
, mouse_x
, mouse_y
, &last_mouse_glyph
);
3254 last_mouse_glyph_frame
= frame
;
3262 /************************************************************************
3264 ************************************************************************/
3266 static struct scroll_bar
*x_window_to_scroll_bar ();
3267 static void x_scroll_bar_report_motion ();
3268 static void x_check_fullscreen
P_ ((struct frame
*));
3271 redo_mouse_highlight ()
3273 if (!NILP (last_mouse_motion_frame
)
3274 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3275 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3276 LOWORD (last_mouse_motion_event
.lParam
),
3277 HIWORD (last_mouse_motion_event
.lParam
));
3281 w32_define_cursor (window
, cursor
)
3285 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3287 /* Return the current position of the mouse.
3288 *fp should be a frame which indicates which display to ask about.
3290 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3291 and *part to the frame, window, and scroll bar part that the mouse
3292 is over. Set *x and *y to the portion and whole of the mouse's
3293 position on the scroll bar.
3295 If the mouse movement started elsewhere, set *fp to the frame the
3296 mouse is on, *bar_window to nil, and *x and *y to the character cell
3299 Set *time to the server time-stamp for the time at which the mouse
3300 was at this position.
3302 Don't store anything if we don't have a valid set of values to report.
3304 This clears the mouse_moved flag, so we can wait for the next mouse
3308 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3311 Lisp_Object
*bar_window
;
3312 enum scroll_bar_part
*part
;
3314 unsigned long *time
;
3320 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3321 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3326 Lisp_Object frame
, tail
;
3328 /* Clear the mouse-moved flag for every frame on this display. */
3329 FOR_EACH_FRAME (tail
, frame
)
3330 XFRAME (frame
)->mouse_moved
= 0;
3332 last_mouse_scroll_bar
= Qnil
;
3336 /* Now we have a position on the root; find the innermost window
3337 containing the pointer. */
3339 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3340 && FRAME_LIVE_P (last_mouse_frame
))
3342 /* If mouse was grabbed on a frame, give coords for that frame
3343 even if the mouse is now outside it. */
3344 f1
= last_mouse_frame
;
3348 /* Is window under mouse one of our frames? */
3349 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3350 WindowFromPoint (pt
));
3353 /* If not, is it one of our scroll bars? */
3356 struct scroll_bar
*bar
3357 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3361 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3365 if (f1
== 0 && insist
> 0)
3366 f1
= SELECTED_FRAME ();
3370 /* Ok, we found a frame. Store all the values.
3371 last_mouse_glyph is a rectangle used to reduce the
3372 generation of mouse events. To not miss any motion
3373 events, we must divide the frame into rectangles of the
3374 size of the smallest character that could be displayed
3375 on it, i.e. into the same rectangles that matrices on
3376 the frame are divided into. */
3378 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3379 remember_mouse_glyph (f1
, pt
.x
, pt
.y
, &last_mouse_glyph
);
3380 last_mouse_glyph_frame
= f1
;
3387 *time
= last_mouse_movement_time
;
3396 /***********************************************************************
3398 ***********************************************************************/
3400 /* Handle mouse button event on the tool-bar of frame F, at
3401 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3405 w32_handle_tool_bar_click (f
, button_event
)
3407 struct input_event
*button_event
;
3409 int x
= XFASTINT (button_event
->x
);
3410 int y
= XFASTINT (button_event
->y
);
3412 if (button_event
->modifiers
& down_modifier
)
3413 handle_tool_bar_click (f
, x
, y
, 1, 0);
3415 handle_tool_bar_click (f
, x
, y
, 0,
3416 button_event
->modifiers
& ~up_modifier
);
3421 /***********************************************************************
3423 ***********************************************************************/
3425 /* Scroll bar support. */
3427 /* Given a window ID, find the struct scroll_bar which manages it.
3428 This can be called in GC, so we have to make sure to strip off mark
3431 static struct scroll_bar
*
3432 x_window_to_scroll_bar (window_id
)
3437 for (tail
= Vframe_list
;
3438 XGCTYPE (tail
) == Lisp_Cons
;
3441 Lisp_Object frame
, bar
, condemned
;
3443 frame
= XCAR (tail
);
3444 /* All elements of Vframe_list should be frames. */
3445 if (! GC_FRAMEP (frame
))
3448 /* Scan this frame's scroll bar list for a scroll bar with the
3450 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3451 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3452 /* This trick allows us to search both the ordinary and
3453 condemned scroll bar lists with one loop. */
3454 ! GC_NILP (bar
) || (bar
= condemned
,
3457 bar
= XSCROLL_BAR (bar
)->next
)
3458 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3459 return XSCROLL_BAR (bar
);
3467 /* Set the thumb size and position of scroll bar BAR. We are currently
3468 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3471 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3472 struct scroll_bar
*bar
;
3473 int portion
, position
, whole
;
3475 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3476 /* We use the whole scroll-bar height in the calculations below, to
3477 avoid strange effects like scrolling backwards when just clicking
3478 on the handle (without moving it). */
3479 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
))
3480 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3481 int sb_page
, sb_pos
;
3482 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3485 /* We used to change the nPage setting while dragging the handle,
3486 but that had very strange effects (such as scrolling backwards
3487 while dragging downwards).
3489 Now, we don't change the nPage setting while dragging unless we
3490 get near to the end of the buffer, in which case we often have to
3491 resize the handle to "go all the way". */
3497 si
.cbSize
= sizeof (si
);
3498 si
.fMask
= SIF_POS
| SIF_PAGE
;
3499 GetScrollInfo(w
, SB_CTL
, &si
);
3500 near_bottom_p
= si
.nPos
+ si
.nPage
>= range
;
3508 /* Position scroll bar at rock bottom if the bottom of the
3509 buffer is visible. This avoids shinking the thumb away
3510 to nothing if it is held at the bottom of the buffer. */
3511 if (position
+ portion
>= whole
&& !draggingp
)
3513 sb_page
= range
* (whole
- position
) / whole
;
3518 sb_pos
= position
* range
/ whole
;
3519 sb_page
= (min (portion
, (whole
- position
)) * range
) / whole
;
3528 sb_page
= max (sb_page
, VERTICAL_SCROLL_BAR_MIN_HANDLE
);
3532 si
.cbSize
= sizeof (si
);
3533 si
.fMask
= SIF_PAGE
| SIF_POS
;
3537 SetScrollInfo (w
, SB_CTL
, &si
, TRUE
);
3543 /************************************************************************
3544 Scroll bars, general
3545 ************************************************************************/
3548 my_create_scrollbar (f
, bar
)
3550 struct scroll_bar
* bar
;
3552 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3553 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3557 /*#define ATTACH_THREADS*/
3560 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3562 #ifndef ATTACH_THREADS
3563 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3564 (WPARAM
) hwnd
, (LPARAM
) how
);
3566 return ShowWindow (hwnd
, how
);
3571 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3572 int x
, int y
, int cx
, int cy
, UINT flags
)
3574 #ifndef ATTACH_THREADS
3576 pos
.hwndInsertAfter
= hwndAfter
;
3582 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3584 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3589 my_set_focus (f
, hwnd
)
3593 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3598 my_set_foreground_window (hwnd
)
3601 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3606 my_destroy_window (f
, hwnd
)
3610 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3614 /* Create a scroll bar and return the scroll bar vector for it. W is
3615 the Emacs window on which to create the scroll bar. TOP, LEFT,
3616 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3619 static struct scroll_bar
*
3620 x_scroll_bar_create (w
, top
, left
, width
, height
)
3622 int top
, left
, width
, height
;
3624 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3627 struct scroll_bar
*bar
3628 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3632 XSETWINDOW (bar
->window
, w
);
3633 XSETINT (bar
->top
, top
);
3634 XSETINT (bar
->left
, left
);
3635 XSETINT (bar
->width
, width
);
3636 XSETINT (bar
->height
, height
);
3637 XSETINT (bar
->start
, 0);
3638 XSETINT (bar
->end
, 0);
3639 bar
->dragging
= Qnil
;
3641 /* Requires geometry to be set before call to create the real window */
3643 hwnd
= my_create_scrollbar (f
, bar
);
3645 si
.cbSize
= sizeof (si
);
3648 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3649 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3653 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3655 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3657 /* Add bar to its frame's list of scroll bars. */
3658 bar
->next
= FRAME_SCROLL_BARS (f
);
3660 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3661 if (! NILP (bar
->next
))
3662 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3670 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3674 x_scroll_bar_remove (bar
)
3675 struct scroll_bar
*bar
;
3677 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3681 /* Destroy the window. */
3682 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3684 /* Disassociate this scroll bar from its window. */
3685 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3690 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3691 that we are displaying PORTION characters out of a total of WHOLE
3692 characters, starting at POSITION. If WINDOW has no scroll bar,
3695 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3697 int portion
, whole
, position
;
3699 struct frame
*f
= XFRAME (w
->frame
);
3700 struct scroll_bar
*bar
;
3701 int top
, height
, left
, sb_left
, width
, sb_width
;
3702 int window_y
, window_height
;
3704 /* Get window dimensions. */
3705 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3707 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3708 height
= window_height
;
3710 /* Compute the left edge of the scroll bar area. */
3711 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3713 /* Compute the width of the scroll bar which might be less than
3714 the width of the area reserved for the scroll bar. */
3715 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3716 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3720 /* Compute the left edge of the scroll bar. */
3721 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3722 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3724 sb_left
= left
+ (width
- sb_width
) / 2;
3726 /* Does the scroll bar exist yet? */
3727 if (NILP (w
->vertical_scroll_bar
))
3731 if (width
> 0 && height
> 0)
3733 hdc
= get_frame_dc (f
);
3734 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3735 release_frame_dc (f
, hdc
);
3739 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3743 /* It may just need to be moved and resized. */
3746 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3747 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3749 /* If already correctly positioned, do nothing. */
3750 if ( XINT (bar
->left
) == sb_left
3751 && XINT (bar
->top
) == top
3752 && XINT (bar
->width
) == sb_width
3753 && XINT (bar
->height
) == height
)
3755 /* Redraw after clear_frame. */
3756 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3757 InvalidateRect (hwnd
, NULL
, FALSE
);
3765 if (width
&& height
)
3767 hdc
= get_frame_dc (f
);
3768 /* Since Windows scroll bars are smaller than the space reserved
3769 for them on the frame, we have to clear "under" them. */
3770 w32_clear_area (f
, hdc
,
3775 release_frame_dc (f
, hdc
);
3777 /* Make sure scroll bar is "visible" before moving, to ensure the
3778 area of the parent window now exposed will be refreshed. */
3779 my_show_window (f
, hwnd
, SW_HIDE
);
3780 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3781 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3782 max (height
, 1), TRUE
);
3784 si
.cbSize
= sizeof (si
);
3785 si
.fMask
= SIF_RANGE
;
3787 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3788 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3790 SetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3792 my_show_window (f
, hwnd
, SW_NORMAL
);
3793 /* InvalidateRect (w, NULL, FALSE); */
3795 /* Remember new settings. */
3796 XSETINT (bar
->left
, sb_left
);
3797 XSETINT (bar
->top
, top
);
3798 XSETINT (bar
->width
, sb_width
);
3799 XSETINT (bar
->height
, height
);
3804 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3806 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3810 /* The following three hooks are used when we're doing a thorough
3811 redisplay of the frame. We don't explicitly know which scroll bars
3812 are going to be deleted, because keeping track of when windows go
3813 away is a real pain - "Can you say set-window-configuration, boys
3814 and girls?" Instead, we just assert at the beginning of redisplay
3815 that *all* scroll bars are to be removed, and then save a scroll bar
3816 from the fiery pit when we actually redisplay its window. */
3818 /* Arrange for all scroll bars on FRAME to be removed at the next call
3819 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3820 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3823 w32_condemn_scroll_bars (frame
)
3826 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3827 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3830 bar
= FRAME_SCROLL_BARS (frame
);
3831 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3832 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3833 XSCROLL_BAR (bar
)->prev
= Qnil
;
3834 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3835 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3836 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3841 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3842 Note that WINDOW isn't necessarily condemned at all. */
3845 w32_redeem_scroll_bar (window
)
3846 struct window
*window
;
3848 struct scroll_bar
*bar
;
3851 /* We can't redeem this window's scroll bar if it doesn't have one. */
3852 if (NILP (window
->vertical_scroll_bar
))
3855 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3857 /* Unlink it from the condemned list. */
3858 f
= XFRAME (WINDOW_FRAME (window
));
3859 if (NILP (bar
->prev
))
3861 /* If the prev pointer is nil, it must be the first in one of
3863 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3864 /* It's not condemned. Everything's fine. */
3866 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3867 window
->vertical_scroll_bar
))
3868 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3870 /* If its prev pointer is nil, it must be at the front of
3871 one or the other! */
3875 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3877 if (! NILP (bar
->next
))
3878 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3880 bar
->next
= FRAME_SCROLL_BARS (f
);
3882 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3883 if (! NILP (bar
->next
))
3884 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3887 /* Remove all scroll bars on FRAME that haven't been saved since the
3888 last call to `*condemn_scroll_bars_hook'. */
3891 w32_judge_scroll_bars (f
)
3894 Lisp_Object bar
, next
;
3896 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3898 /* Clear out the condemned list now so we won't try to process any
3899 more events on the hapless scroll bars. */
3900 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3902 for (; ! NILP (bar
); bar
= next
)
3904 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3906 x_scroll_bar_remove (b
);
3909 b
->next
= b
->prev
= Qnil
;
3912 /* Now there should be no references to the condemned scroll bars,
3913 and they should get garbage-collected. */
3916 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3917 is set to something other than NO_EVENT, it is enqueued.
3919 This may be called from a signal handler, so we have to ignore GC
3923 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3924 struct scroll_bar
*bar
;
3926 struct input_event
*emacs_event
;
3928 if (! GC_WINDOWP (bar
->window
))
3931 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3932 emacs_event
->code
= 0;
3933 /* not really meaningful to distinguish up/down */
3934 emacs_event
->modifiers
= msg
->dwModifiers
;
3935 emacs_event
->frame_or_window
= bar
->window
;
3936 emacs_event
->arg
= Qnil
;
3937 emacs_event
->timestamp
= msg
->msg
.time
;
3940 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3942 int dragging
= !NILP (bar
->dragging
);
3945 si
.cbSize
= sizeof (si
);
3948 GetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3951 bar
->dragging
= Qnil
;
3954 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3956 switch (LOWORD (msg
->msg
.wParam
))
3959 emacs_event
->part
= scroll_bar_down_arrow
;
3962 emacs_event
->part
= scroll_bar_up_arrow
;
3965 emacs_event
->part
= scroll_bar_above_handle
;
3968 emacs_event
->part
= scroll_bar_below_handle
;
3971 emacs_event
->part
= scroll_bar_handle
;
3975 emacs_event
->part
= scroll_bar_handle
;
3979 case SB_THUMBPOSITION
:
3980 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3981 y
= HIWORD (msg
->msg
.wParam
);
3983 emacs_event
->part
= scroll_bar_handle
;
3985 /* "Silently" update current position. */
3989 si
.cbSize
= sizeof (si
);
3992 /* Remember apparent position (we actually lag behind the real
3993 position, so don't set that directly. */
3994 last_scroll_bar_drag_pos
= y
;
3996 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
4000 /* If this is the end of a drag sequence, then reset the scroll
4001 handle size to normal and do a final redraw. Otherwise do
4006 int start
= XINT (bar
->start
);
4007 int end
= XINT (bar
->end
);
4009 si
.cbSize
= sizeof (si
);
4010 si
.fMask
= SIF_PAGE
| SIF_POS
;
4011 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
4012 si
.nPos
= last_scroll_bar_drag_pos
;
4013 SetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
4017 emacs_event
->kind
= NO_EVENT
;
4021 XSETINT (emacs_event
->x
, y
);
4022 XSETINT (emacs_event
->y
, top_range
);
4028 /* Return information to the user about the current position of the mouse
4029 on the scroll bar. */
4032 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
4034 Lisp_Object
*bar_window
;
4035 enum scroll_bar_part
*part
;
4037 unsigned long *time
;
4039 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
4040 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
4041 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
4043 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
4049 *bar_window
= bar
->window
;
4051 si
.cbSize
= sizeof (si
);
4052 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
4054 GetScrollInfo (w
, SB_CTL
, &si
);
4056 top_range
= si
.nMax
- si
.nPage
+ 1;
4058 switch (LOWORD (last_mouse_scroll_bar_pos
))
4060 case SB_THUMBPOSITION
:
4062 *part
= scroll_bar_handle
;
4063 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
4064 pos
= HIWORD (last_mouse_scroll_bar_pos
);
4067 *part
= scroll_bar_handle
;
4071 *part
= scroll_bar_handle
;
4076 XSETINT (*y
, top_range
);
4079 last_mouse_scroll_bar
= Qnil
;
4081 *time
= last_mouse_movement_time
;
4087 /* The screen has been cleared so we may have changed foreground or
4088 background colors, and the scroll bars may need to be redrawn.
4089 Clear out the scroll bars, and ask for expose events, so we can
4093 x_scroll_bar_clear (f
)
4098 /* We can have scroll bars even if this is 0,
4099 if we just turned off scroll bar mode.
4100 But in that case we should not clear them. */
4101 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4102 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4103 bar
= XSCROLL_BAR (bar
)->next
)
4105 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4106 HDC hdc
= GetDC (window
);
4109 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4110 arranges to refresh the scroll bar if hidden. */
4111 my_show_window (f
, window
, SW_HIDE
);
4113 GetClientRect (window
, &rect
);
4114 select_palette (f
, hdc
);
4115 w32_clear_rect (f
, hdc
, &rect
);
4116 deselect_palette (f
, hdc
);
4118 ReleaseDC (window
, hdc
);
4123 /* The main W32 event-reading loop - w32_read_socket. */
4125 /* Record the last 100 characters stored
4126 to help debug the loss-of-chars-during-GC problem. */
4128 static int temp_index
;
4129 static short temp_buffer
[100];
4132 /* Read events coming from the W32 shell.
4133 This routine is called by the SIGIO handler.
4134 We return as soon as there are no more events to be read.
4136 We return the number of characters stored into the buffer,
4137 thus pretending to be `read'.
4139 EXPECTED is nonzero if the caller knows input is available.
4141 Some of these messages are reposted back to the message queue since the
4142 system calls the windows proc directly in a context where we cannot return
4143 the data nor can we guarantee the state we are in. So if we dispatch them
4144 we will get into an infinite loop. To prevent this from ever happening we
4145 will set a variable to indicate we are in the read_socket call and indicate
4146 which message we are processing since the windows proc gets called
4147 recursively with different messages by the system.
4151 w32_read_socket (sd
, expected
, hold_quit
)
4154 struct input_event
*hold_quit
;
4157 int check_visibility
= 0;
4160 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4162 if (interrupt_input_blocked
)
4164 interrupt_input_pending
= 1;
4168 interrupt_input_pending
= 0;
4171 /* So people can tell when we have read the available input. */
4172 input_signal_count
++;
4174 /* TODO: ghostscript integration. */
4175 while (get_next_msg (&msg
, FALSE
))
4177 struct input_event inev
;
4181 inev
.kind
= NO_EVENT
;
4184 switch (msg
.msg
.message
)
4187 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4191 if (msg
.rect
.right
== msg
.rect
.left
||
4192 msg
.rect
.bottom
== msg
.rect
.top
)
4194 /* We may get paint messages even though the client
4195 area is clipped - these are not expose events. */
4196 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4199 else if (f
->async_visible
!= 1)
4201 /* Definitely not obscured, so mark as visible. */
4202 f
->async_visible
= 1;
4203 f
->async_iconified
= 0;
4204 SET_FRAME_GARBAGED (f
);
4205 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4208 /* WM_PAINT serves as MapNotify as well, so report
4209 visibility changes properly. */
4212 inev
.kind
= DEICONIFY_EVENT
;
4213 XSETFRAME (inev
.frame_or_window
, f
);
4215 else if (! NILP (Vframe_list
)
4216 && ! NILP (XCDR (Vframe_list
)))
4217 /* Force a redisplay sooner or later to update the
4218 frame titles in case this is the second frame. */
4219 record_asynch_buffer_change ();
4223 HDC hdc
= get_frame_dc (f
);
4225 /* Erase background again for safety. */
4226 w32_clear_rect (f
, hdc
, &msg
.rect
);
4227 release_frame_dc (f
, hdc
);
4231 msg
.rect
.right
- msg
.rect
.left
,
4232 msg
.rect
.bottom
- msg
.rect
.top
);
4237 case WM_INPUTLANGCHANGE
:
4238 /* Generate a language change event. */
4239 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4243 inev
.kind
= LANGUAGE_CHANGE_EVENT
;
4244 XSETFRAME (inev
.frame_or_window
, f
);
4245 inev
.code
= msg
.msg
.wParam
;
4246 inev
.modifiers
= msg
.msg
.lParam
& 0xffff;
4252 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4254 if (f
&& !f
->iconified
)
4256 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4257 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4259 clear_mouse_face (dpyinfo
);
4260 dpyinfo
->mouse_face_hidden
= 1;
4263 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4265 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4266 inev
.kind
= NON_ASCII_KEYSTROKE_EVENT
;
4267 inev
.code
= msg
.msg
.wParam
;
4268 inev
.modifiers
= msg
.dwModifiers
;
4269 XSETFRAME (inev
.frame_or_window
, f
);
4270 inev
.timestamp
= msg
.msg
.time
;
4276 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4278 if (f
&& !f
->iconified
)
4280 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
)
4281 && !EQ (f
->tool_bar_window
, dpyinfo
->mouse_face_window
))
4283 clear_mouse_face (dpyinfo
);
4284 dpyinfo
->mouse_face_hidden
= 1;
4287 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4289 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4290 inev
.kind
= ASCII_KEYSTROKE_EVENT
;
4291 inev
.code
= msg
.msg
.wParam
;
4292 inev
.modifiers
= msg
.dwModifiers
;
4293 XSETFRAME (inev
.frame_or_window
, f
);
4294 inev
.timestamp
= msg
.msg
.time
;
4299 /* Ignore non-movement. */
4301 int x
= LOWORD (msg
.msg
.lParam
);
4302 int y
= HIWORD (msg
.msg
.lParam
);
4303 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4305 last_mousemove_x
= x
;
4306 last_mousemove_y
= y
;
4309 previous_help_echo_string
= help_echo_string
;
4310 help_echo_string
= Qnil
;
4312 if (dpyinfo
->grabbed
&& last_mouse_frame
4313 && FRAME_LIVE_P (last_mouse_frame
))
4314 f
= last_mouse_frame
;
4316 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4318 if (dpyinfo
->mouse_face_hidden
)
4320 dpyinfo
->mouse_face_hidden
= 0;
4321 clear_mouse_face (dpyinfo
);
4326 /* Generate SELECT_WINDOW_EVENTs when needed. */
4327 if (!NILP (Vmouse_autoselect_window
))
4330 int x
= LOWORD (msg
.msg
.lParam
);
4331 int y
= HIWORD (msg
.msg
.lParam
);
4333 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4335 /* Window will be selected only when it is not
4336 selected now and last mouse movement event was
4337 not in it. Minibuffer window will be selected
4338 iff it is active. */
4340 && !EQ (window
, last_window
)
4341 && !EQ (window
, selected_window
))
4343 inev
.kind
= SELECT_WINDOW_EVENT
;
4344 inev
.frame_or_window
= window
;
4349 if (!note_mouse_movement (f
, &msg
.msg
))
4350 help_echo_string
= previous_help_echo_string
;
4354 /* If we move outside the frame, then we're
4355 certainly no longer on any text in the frame. */
4356 clear_mouse_face (dpyinfo
);
4359 /* If the contents of the global variable help_echo_string
4360 has changed, generate a HELP_EVENT. */
4361 #if 0 /* The below is an invalid comparison when USE_LISP_UNION_TYPE.
4362 But it was originally changed to this to fix a bug, so I have
4363 not removed it completely in case the bug is still there. */
4364 if (help_echo_string
!= previous_help_echo_string
||
4365 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4366 #else /* This is what xterm.c does. */
4367 if (!NILP (help_echo_string
)
4368 || !NILP (previous_help_echo_string
))
4373 case WM_LBUTTONDOWN
:
4375 case WM_MBUTTONDOWN
:
4377 case WM_RBUTTONDOWN
:
4379 case WM_XBUTTONDOWN
:
4382 /* If we decide we want to generate an event to be seen
4383 by the rest of Emacs, we put it here. */
4388 if (dpyinfo
->grabbed
&& last_mouse_frame
4389 && FRAME_LIVE_P (last_mouse_frame
))
4390 f
= last_mouse_frame
;
4392 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4396 construct_mouse_click (&inev
, &msg
, f
);
4398 /* Is this in the tool-bar? */
4399 if (WINDOWP (f
->tool_bar_window
)
4400 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4403 int x
= XFASTINT (inev
.x
);
4404 int y
= XFASTINT (inev
.y
);
4406 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4408 if (EQ (window
, f
->tool_bar_window
))
4410 w32_handle_tool_bar_click (f
, &inev
);
4416 || (dpyinfo
->w32_focus_frame
4417 && f
!= dpyinfo
->w32_focus_frame
))
4418 inev
.kind
= NO_EVENT
;
4421 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4426 dpyinfo
->grabbed
&= ~ (1 << button
);
4430 dpyinfo
->grabbed
|= (1 << button
);
4431 last_mouse_frame
= f
;
4432 /* Ignore any mouse motion that happened
4433 before this event; any subsequent mouse-movement
4434 Emacs events should reflect only motion after
4440 last_tool_bar_item
= -1;
4447 if (dpyinfo
->grabbed
&& last_mouse_frame
4448 && FRAME_LIVE_P (last_mouse_frame
))
4449 f
= last_mouse_frame
;
4451 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4456 if (!dpyinfo
->w32_focus_frame
4457 || f
== dpyinfo
->w32_focus_frame
)
4459 /* Emit an Emacs wheel-up/down event. */
4460 construct_mouse_wheel (&inev
, &msg
, f
);
4462 /* Ignore any mouse motion that happened before this
4463 event; any subsequent mouse-movement Emacs events
4464 should reflect only motion after the
4468 last_mouse_frame
= f
;
4469 last_tool_bar_item
= -1;
4474 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4477 construct_drag_n_drop (&inev
, &msg
, f
);
4482 struct scroll_bar
*bar
=
4483 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4486 w32_scroll_bar_handle_click (bar
, &msg
, &inev
);
4490 case WM_WINDOWPOSCHANGED
:
4491 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4494 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4495 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4497 check_visibility
= 1;
4501 case WM_ACTIVATEAPP
:
4502 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4504 x_check_fullscreen (f
);
4505 check_visibility
= 1;
4509 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4511 if (f
&& !f
->async_iconified
)
4515 x_real_positions (f
, &x
, &y
);
4520 check_visibility
= 1;
4524 /* wParam non-zero means Window is about to be shown, 0 means
4525 about to be hidden. */
4526 /* Redo the mouse-highlight after the tooltip has gone. */
4527 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4530 redo_mouse_highlight ();
4533 /* If window has been obscured or exposed by another window
4534 being maximised or minimised/restored, then recheck
4535 visibility of all frames. Direct changes to our own
4536 windows get handled by WM_SIZE. */
4538 if (msg
.msg
.lParam
!= 0)
4539 check_visibility
= 1;
4542 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4543 f
->async_visible
= msg
.msg
.wParam
;
4547 check_visibility
= 1;
4551 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4553 /* Inform lisp of whether frame has been iconified etc. */
4556 switch (msg
.msg
.wParam
)
4558 case SIZE_MINIMIZED
:
4559 f
->async_visible
= 0;
4560 f
->async_iconified
= 1;
4562 inev
.kind
= ICONIFY_EVENT
;
4563 XSETFRAME (inev
.frame_or_window
, f
);
4566 case SIZE_MAXIMIZED
:
4568 f
->async_visible
= 1;
4569 f
->async_iconified
= 0;
4571 /* wait_reading_process_output will notice this and update
4572 the frame's display structures. */
4573 SET_FRAME_GARBAGED (f
);
4579 /* Reset top and left positions of the Window
4580 here since Windows sends a WM_MOVE message
4581 BEFORE telling us the Window is minimized
4582 when the Window is iconified, with 3000,3000
4584 x_real_positions (f
, &x
, &y
);
4588 inev
.kind
= DEICONIFY_EVENT
;
4589 XSETFRAME (inev
.frame_or_window
, f
);
4591 else if (! NILP (Vframe_list
)
4592 && ! NILP (XCDR (Vframe_list
)))
4593 /* Force a redisplay sooner or later
4594 to update the frame titles
4595 in case this is the second frame. */
4596 record_asynch_buffer_change ();
4601 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4609 GetClientRect (msg
.msg
.hwnd
, &rect
);
4611 height
= rect
.bottom
- rect
.top
;
4612 width
= rect
.right
- rect
.left
;
4614 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4615 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4617 /* TODO: Clip size to the screen dimensions. */
4619 /* Even if the number of character rows and columns has
4620 not changed, the font size may have changed, so we need
4621 to check the pixel dimensions as well. */
4623 if (columns
!= FRAME_COLS (f
)
4624 || rows
!= FRAME_LINES (f
)
4625 || width
!= FRAME_PIXEL_WIDTH (f
)
4626 || height
!= FRAME_PIXEL_HEIGHT (f
))
4628 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4629 SET_FRAME_GARBAGED (f
);
4630 cancel_mouse_face (f
);
4631 FRAME_PIXEL_WIDTH (f
) = width
;
4632 FRAME_PIXEL_HEIGHT (f
) = height
;
4633 f
->win_gravity
= NorthWestGravity
;
4637 check_visibility
= 1;
4641 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4644 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4646 /* If we move outside the frame, then we're
4647 certainly no longer on any text in the frame. */
4648 clear_mouse_face (dpyinfo
);
4649 dpyinfo
->mouse_face_mouse_frame
= 0;
4652 /* Generate a nil HELP_EVENT to cancel a help-echo.
4653 Do it only if there's something to cancel.
4654 Otherwise, the startup message is cleared when
4655 the mouse leaves the frame. */
4656 if (any_help_event_p
)
4662 w32_detect_focus_change (dpyinfo
, &msg
, &inev
);
4664 dpyinfo
->grabbed
= 0;
4665 check_visibility
= 1;
4669 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4673 if (f
== dpyinfo
->w32_focus_event_frame
)
4674 dpyinfo
->w32_focus_event_frame
= 0;
4676 if (f
== dpyinfo
->w32_focus_frame
)
4677 x_new_focus_frame (dpyinfo
, 0);
4679 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4681 /* If we move outside the frame, then we're
4682 certainly no longer on any text in the frame. */
4683 clear_mouse_face (dpyinfo
);
4684 dpyinfo
->mouse_face_mouse_frame
= 0;
4687 /* Generate a nil HELP_EVENT to cancel a help-echo.
4688 Do it only if there's something to cancel.
4689 Otherwise, the startup message is cleared when
4690 the mouse leaves the frame. */
4691 if (any_help_event_p
)
4695 dpyinfo
->grabbed
= 0;
4696 check_visibility
= 1;
4700 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4704 inev
.kind
= DELETE_WINDOW_EVENT
;
4705 XSETFRAME (inev
.frame_or_window
, f
);
4710 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4714 inev
.kind
= MENU_BAR_ACTIVATE_EVENT
;
4715 XSETFRAME (inev
.frame_or_window
, f
);
4720 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4724 extern void menubar_selection_callback
4725 (FRAME_PTR f
, void * client_data
);
4726 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4729 check_visibility
= 1;
4732 case WM_DISPLAYCHANGE
:
4733 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4737 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4738 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4739 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4740 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4744 check_visibility
= 1;
4748 /* Check for messages registered at runtime. */
4749 if (msg
.msg
.message
== msh_mousewheel
)
4751 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4752 msg
.msg
.message
= WM_MOUSEWHEEL
;
4758 if (inev
.kind
!= NO_EVENT
)
4760 kbd_buffer_store_event_hold (&inev
, hold_quit
);
4765 && !(hold_quit
&& hold_quit
->kind
!= NO_EVENT
))
4770 XSETFRAME (frame
, f
);
4776 if (NILP (help_echo_string
))
4778 help_echo_object
= help_echo_window
= Qnil
;
4782 any_help_event_p
= 1;
4783 gen_help_event (help_echo_string
, frame
, help_echo_window
,
4784 help_echo_object
, help_echo_pos
);
4788 help_echo_string
= Qnil
;
4789 gen_help_event (Qnil
, frame
, Qnil
, Qnil
, 0);
4795 /* If the focus was just given to an autoraising frame,
4797 /* ??? This ought to be able to handle more than one such frame. */
4798 if (pending_autoraise_frame
)
4800 x_raise_frame (pending_autoraise_frame
);
4801 pending_autoraise_frame
= 0;
4804 /* Check which frames are still visisble, if we have enqueued any user
4805 events or been notified of events that may affect visibility. We
4806 do this here because there doesn't seem to be any direct
4807 notification from Windows that the visibility of a window has
4808 changed (at least, not in all cases). */
4809 if (count
> 0 || check_visibility
)
4811 Lisp_Object tail
, frame
;
4813 FOR_EACH_FRAME (tail
, frame
)
4815 FRAME_PTR f
= XFRAME (frame
);
4816 /* The tooltip has been drawn already. Avoid the
4817 SET_FRAME_GARBAGED below. */
4818 if (EQ (frame
, tip_frame
))
4821 /* Check "visible" frames and mark each as obscured or not.
4822 Note that async_visible is nonzero for unobscured and
4823 obscured frames, but zero for hidden and iconified frames. */
4824 if (FRAME_W32_P (f
) && f
->async_visible
)
4830 /* Query clipping rectangle for the entire window area
4831 (GetWindowDC), not just the client portion (GetDC).
4832 Otherwise, the scrollbars and menubar aren't counted as
4833 part of the visible area of the frame, and we may think
4834 the frame is obscured when really a scrollbar is still
4835 visible and gets WM_PAINT messages above. */
4836 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4837 GetClipBox (hdc
, &clipbox
);
4838 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4841 if (clipbox
.right
== clipbox
.left
4842 || clipbox
.bottom
== clipbox
.top
)
4844 /* Frame has become completely obscured so mark as
4845 such (we do this by setting async_visible to 2 so
4846 that FRAME_VISIBLE_P is still true, but redisplay
4848 f
->async_visible
= 2;
4850 if (!FRAME_OBSCURED_P (f
))
4852 DebPrint (("frame %p (%s) obscured\n", f
,
4858 /* Frame is not obscured, so mark it as such. */
4859 f
->async_visible
= 1;
4861 if (FRAME_OBSCURED_P (f
))
4863 SET_FRAME_GARBAGED (f
);
4864 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4867 /* Force a redisplay sooner or later. */
4868 record_asynch_buffer_change ();
4881 /***********************************************************************
4883 ***********************************************************************/
4885 /* Set clipping for output in glyph row ROW. W is the window in which
4886 we operate. GC is the graphics context to set clipping in.
4888 ROW may be a text row or, e.g., a mode line. Text rows must be
4889 clipped to the interior of the window dedicated to text display,
4890 mode lines must be clipped to the whole window. */
4893 w32_clip_to_row (w
, row
, area
, hdc
)
4895 struct glyph_row
*row
;
4899 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4901 int window_x
, window_y
, window_width
;
4903 window_box (w
, area
, &window_x
, &window_y
, &window_width
, 0);
4905 clip_rect
.left
= window_x
;
4906 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4907 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4908 clip_rect
.right
= clip_rect
.left
+ window_width
;
4909 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4911 w32_set_clip_rectangle (hdc
, &clip_rect
);
4915 /* Draw a hollow box cursor on window W in glyph row ROW. */
4918 x_draw_hollow_cursor (w
, row
)
4920 struct glyph_row
*row
;
4922 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4926 struct glyph
*cursor_glyph
;
4927 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4929 /* Get the glyph the cursor is on. If we can't tell because
4930 the current matrix is invalid or such, give up. */
4931 cursor_glyph
= get_phys_cursor_glyph (w
);
4932 if (cursor_glyph
== NULL
)
4935 /* Compute frame-relative coordinates for phys cursor. */
4936 get_phys_cursor_geometry (w
, row
, cursor_glyph
, &left
, &top
, &h
);
4939 rect
.bottom
= rect
.top
+ h
;
4940 rect
.right
= rect
.left
+ w
->phys_cursor_width
;
4942 hdc
= get_frame_dc (f
);
4943 /* Set clipping, draw the rectangle, and reset clipping again. */
4944 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
4945 FrameRect (hdc
, &rect
, hb
);
4947 w32_set_clip_rectangle (hdc
, NULL
);
4948 release_frame_dc (f
, hdc
);
4952 /* Draw a bar cursor on window W in glyph row ROW.
4954 Implementation note: One would like to draw a bar cursor with an
4955 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4956 Unfortunately, I didn't find a font yet that has this property set.
4960 x_draw_bar_cursor (w
, row
, width
, kind
)
4962 struct glyph_row
*row
;
4964 enum text_cursor_kinds kind
;
4966 struct frame
*f
= XFRAME (w
->frame
);
4967 struct glyph
*cursor_glyph
;
4971 /* If cursor is out of bounds, don't draw garbage. This can happen
4972 in mini-buffer windows when switching between echo area glyphs
4974 cursor_glyph
= get_phys_cursor_glyph (w
);
4975 if (cursor_glyph
== NULL
)
4978 /* If on an image, draw like a normal cursor. That's usually better
4979 visible than drawing a bar, esp. if the image is large so that
4980 the bar might not be in the window. */
4981 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4983 struct glyph_row
*row
;
4984 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4985 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4989 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4990 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4992 /* If the glyph's background equals the color we normally draw
4993 the bar cursor in, the bar cursor in its normal color is
4994 invisible. Use the glyph's foreground color instead in this
4995 case, on the assumption that the glyph's colors are chosen so
4996 that the glyph is legible. */
4997 if (face
->background
== cursor_color
)
4998 cursor_color
= face
->foreground
;
5000 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5003 width
= FRAME_CURSOR_WIDTH (f
);
5004 width
= min (cursor_glyph
->pixel_width
, width
);
5006 w
->phys_cursor_width
= width
;
5009 hdc
= get_frame_dc (f
);
5010 w32_clip_to_row (w
, row
, TEXT_AREA
, hdc
);
5012 if (kind
== BAR_CURSOR
)
5014 w32_fill_area (f
, hdc
, cursor_color
, x
,
5015 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5016 width
, row
->height
);
5020 w32_fill_area (f
, hdc
, cursor_color
, x
,
5021 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5022 row
->height
- width
),
5023 cursor_glyph
->pixel_width
, width
);
5026 w32_set_clip_rectangle (hdc
, NULL
);
5027 release_frame_dc (f
, hdc
);
5032 /* RIF: Define cursor CURSOR on frame F. */
5035 w32_define_frame_cursor (f
, cursor
)
5039 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5043 /* RIF: Clear area on frame F. */
5046 w32_clear_frame_area (f
, x
, y
, width
, height
)
5048 int x
, y
, width
, height
;
5052 hdc
= get_frame_dc (f
);
5053 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5054 release_frame_dc (f
, hdc
);
5057 /* RIF: Draw or clear cursor on window W. */
5060 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5062 struct glyph_row
*glyph_row
;
5064 int cursor_type
, cursor_width
;
5069 /* If the user wants to use the system caret, make sure our own
5070 cursor remains invisible. */
5071 if (w32_use_visible_system_caret
)
5073 /* Call to erase_phys_cursor here seems to use the
5074 wrong values of w->phys_cursor, as they have been
5075 overwritten before this function was called. */
5076 if (w
->phys_cursor_type
!= NO_CURSOR
)
5077 erase_phys_cursor (w
);
5079 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5080 w
->phys_cursor_width
= -1;
5084 w
->phys_cursor_type
= cursor_type
;
5087 w
->phys_cursor_on_p
= 1;
5089 /* If this is the active cursor, we need to track it with the
5090 system caret, so third party software like screen magnifiers
5091 and speech synthesizers can follow the cursor. */
5094 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5095 HWND hwnd
= FRAME_W32_WINDOW (f
);
5098 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5100 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5101 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5103 /* If the size of the active cursor changed, destroy the old
5105 if (w32_system_caret_hwnd
5106 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5107 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5109 w32_system_caret_height
= w
->phys_cursor_height
;
5111 /* Move the system caret. */
5112 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5115 if (glyph_row
->exact_window_width_line_p
5116 && w
->phys_cursor
.hpos
>= glyph_row
->used
[TEXT_AREA
])
5118 glyph_row
->cursor_in_fringe_p
= 1;
5119 draw_fringe_bitmap (w
, glyph_row
, 0);
5123 switch (cursor_type
)
5125 case HOLLOW_BOX_CURSOR
:
5126 x_draw_hollow_cursor (w
, glyph_row
);
5129 case FILLED_BOX_CURSOR
:
5130 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5134 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5138 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5142 w
->phys_cursor_width
= 0;
5156 x_bitmap_icon (f
, icon
)
5161 HANDLE small_icon
= NULL
;
5163 if (FRAME_W32_WINDOW (f
) == 0)
5167 main_icon
= LoadIcon (hinst
, EMACS_CLASS
);
5168 else if (STRINGP (icon
))
5170 /* Load the main icon from the named file. */
5171 main_icon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5172 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5173 /* Try to load a small icon to go with it. */
5174 small_icon
= LoadImage (NULL
, (LPCSTR
) SDATA (icon
), IMAGE_ICON
,
5175 GetSystemMetrics (SM_CXSMICON
),
5176 GetSystemMetrics (SM_CYSMICON
),
5179 else if (SYMBOLP (icon
))
5183 if (EQ (icon
, intern ("application")))
5184 name
= (LPCTSTR
) IDI_APPLICATION
;
5185 else if (EQ (icon
, intern ("hand")))
5186 name
= (LPCTSTR
) IDI_HAND
;
5187 else if (EQ (icon
, intern ("question")))
5188 name
= (LPCTSTR
) IDI_QUESTION
;
5189 else if (EQ (icon
, intern ("exclamation")))
5190 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5191 else if (EQ (icon
, intern ("asterisk")))
5192 name
= (LPCTSTR
) IDI_ASTERISK
;
5193 else if (EQ (icon
, intern ("winlogo")))
5194 name
= (LPCTSTR
) IDI_WINLOGO
;
5198 main_icon
= LoadIcon (NULL
, name
);
5203 if (main_icon
== NULL
)
5206 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5207 (LPARAM
) main_icon
);
5209 /* If there is a small icon that goes with it, set that too. */
5211 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_SMALL
,
5212 (LPARAM
) small_icon
);
5218 /************************************************************************
5220 ************************************************************************/
5222 /* Display Error Handling functions not used on W32. Listing them here
5223 helps diff stay in step when comparing w32term.c with xterm.c.
5225 x_error_catcher (display, error)
5226 x_catch_errors (dpy)
5227 x_catch_errors_unwind (old_val)
5228 x_check_errors (dpy, format)
5229 x_fully_uncatch_errors ()
5230 x_catching_errors ()
5231 x_had_errors_p (dpy)
5232 x_clear_errors (dpy)
5233 x_uncatch_errors (dpy, count)
5235 x_connection_signal (signalnum)
5236 x_connection_closed (dpy, error_message)
5237 x_error_quitter (display, error)
5238 x_error_handler (display, error)
5239 x_io_error_quitter (display)
5244 /* Changing the font of the frame. */
5246 /* Give frame F the font named FONTNAME as its default font, and
5247 return the full name of that font. FONTNAME may be a wildcard
5248 pattern; in that case, we choose some font that fits the pattern.
5249 The return value shows which font we chose. */
5252 x_new_font (f
, fontname
)
5254 register char *fontname
;
5256 struct font_info
*fontp
5257 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5262 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5263 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5264 FRAME_FONTSET (f
) = -1;
5266 FRAME_COLUMN_WIDTH (f
) = fontp
->average_width
;
5267 FRAME_SPACE_WIDTH (f
) = fontp
->space_width
;
5268 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5270 compute_fringe_widths (f
, 1);
5272 /* Compute the scroll bar width in character columns. */
5273 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5275 int wid
= FRAME_COLUMN_WIDTH (f
);
5276 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5277 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5281 int wid
= FRAME_COLUMN_WIDTH (f
);
5282 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5285 /* Now make the frame display the given font. */
5286 if (FRAME_W32_WINDOW (f
) != 0)
5288 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5289 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5292 return build_string (fontp
->full_name
);
5295 /* Give frame F the fontset named FONTSETNAME as its default font, and
5296 return the full name of that fontset. FONTSETNAME may be a wildcard
5297 pattern; in that case, we choose some fontset that fits the pattern.
5298 The return value shows which fontset we chose. */
5301 x_new_fontset (f
, fontsetname
)
5305 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5311 if (FRAME_FONTSET (f
) == fontset
)
5312 /* This fontset is already set in frame F. There's nothing more
5314 return fontset_name (fontset
);
5316 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5318 if (!STRINGP (result
))
5319 /* Can't load ASCII font. */
5322 /* Since x_new_font doesn't update any fontset information, do it now. */
5323 FRAME_FONTSET(f
) = fontset
;
5325 return build_string (fontsetname
);
5329 /***********************************************************************
5330 TODO: W32 Input Methods
5331 ***********************************************************************/
5332 /* Listing missing functions from xterm.c helps diff stay in step.
5334 xim_destroy_callback (xim, client_data, call_data)
5335 xim_open_dpy (dpyinfo, resource_name)
5337 xim_instantiate_callback (display, client_data, call_data)
5338 xim_initialize (dpyinfo, resource_name)
5339 xim_close_dpy (dpyinfo)
5344 /* Calculate the absolute position in frame F
5345 from its current recorded position values and gravity. */
5348 x_calc_absolute_position (f
)
5351 int flags
= f
->size_hint_flags
;
5353 /* The sum of the widths of the frame's left and right borders, and
5354 the sum of the heights of the frame's top and bottom borders (in
5355 pixels) drawn by Windows. */
5356 unsigned int left_right_borders_width
, top_bottom_borders_height
;
5358 /* Try to get the actual values of these two variables. We compute
5359 the border width (height) by subtracting the width (height) of
5360 the frame's client area from the width (height) of the frame's
5362 WINDOWPLACEMENT wp
= { 0 };
5363 RECT client_rect
= { 0 };
5365 if (GetWindowPlacement (FRAME_W32_WINDOW (f
), &wp
)
5366 && GetClientRect (FRAME_W32_WINDOW (f
), &client_rect
))
5368 left_right_borders_width
=
5369 (wp
.rcNormalPosition
.right
- wp
.rcNormalPosition
.left
) -
5370 (client_rect
.right
- client_rect
.left
);
5372 top_bottom_borders_height
=
5373 (wp
.rcNormalPosition
.bottom
- wp
.rcNormalPosition
.top
) -
5374 (client_rect
.bottom
- client_rect
.top
);
5378 /* Use sensible default values. */
5379 left_right_borders_width
= 8;
5380 top_bottom_borders_height
= 32;
5383 /* Treat negative positions as relative to the rightmost bottommost
5384 position that fits on the screen. */
5385 if (flags
& XNegative
)
5386 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5387 - FRAME_PIXEL_WIDTH (f
)
5389 - (left_right_borders_width
- 1));
5391 if (flags
& YNegative
)
5392 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5393 - FRAME_PIXEL_HEIGHT (f
)
5395 - (top_bottom_borders_height
- 1));
5397 /* The left_pos and top_pos are now relative to the top and left
5398 screen edges, so the flags should correspond. */
5399 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5402 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5403 to really change the position, and 0 when calling from
5404 x_make_frame_visible (in that case, XOFF and YOFF are the current
5405 position values). It is -1 when calling from x_set_frame_parameters,
5406 which means, do adjust for borders but don't change the gravity. */
5409 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5411 register int xoff
, yoff
;
5414 int modified_top
, modified_left
;
5416 if (change_gravity
> 0)
5420 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5422 f
->size_hint_flags
|= XNegative
;
5424 f
->size_hint_flags
|= YNegative
;
5425 f
->win_gravity
= NorthWestGravity
;
5427 x_calc_absolute_position (f
);
5430 x_wm_set_size_hint (f
, (long) 0, 0);
5432 modified_left
= f
->left_pos
;
5433 modified_top
= f
->top_pos
;
5435 my_set_window_pos (FRAME_W32_WINDOW (f
),
5437 modified_left
, modified_top
,
5439 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5444 /* Check if we need to resize the frame due to a fullscreen request.
5445 If so needed, resize the frame. */
5447 x_check_fullscreen (f
)
5450 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5452 int width
, height
, ign
;
5454 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5456 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5458 /* We do not need to move the window, it shall be taken care of
5459 when setting WM manager hints. */
5460 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5462 change_frame_size (f
, height
, width
, 0, 1, 0);
5463 SET_FRAME_GARBAGED (f
);
5464 cancel_mouse_face (f
);
5466 /* Wait for the change of frame size to occur */
5467 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5472 /* Call this to change the size of frame F's x-window.
5473 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5474 for this size change and subsequent size changes.
5475 Otherwise we leave the window gravity unchanged. */
5478 x_set_window_size (f
, change_gravity
, cols
, rows
)
5483 int pixelwidth
, pixelheight
;
5487 check_frame_size (f
, &rows
, &cols
);
5488 f
->scroll_bar_actual_width
5489 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5491 compute_fringe_widths (f
, 0);
5493 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5494 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5496 f
->win_gravity
= NorthWestGravity
;
5497 x_wm_set_size_hint (f
, (long) 0, 0);
5502 rect
.left
= rect
.top
= 0;
5503 rect
.right
= pixelwidth
;
5504 rect
.bottom
= pixelheight
;
5506 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5507 FRAME_EXTERNAL_MENU_BAR (f
));
5509 my_set_window_pos (FRAME_W32_WINDOW (f
),
5512 rect
.right
- rect
.left
,
5513 rect
.bottom
- rect
.top
,
5514 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5517 /* Now, strictly speaking, we can't be sure that this is accurate,
5518 but the window manager will get around to dealing with the size
5519 change request eventually, and we'll hear how it went when the
5520 ConfigureNotify event gets here.
5522 We could just not bother storing any of this information here,
5523 and let the ConfigureNotify event set everything up, but that
5524 might be kind of confusing to the Lisp code, since size changes
5525 wouldn't be reported in the frame parameters until some random
5526 point in the future when the ConfigureNotify event arrives.
5528 We pass 1 for DELAY since we can't run Lisp code inside of
5530 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5531 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5532 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5534 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5535 receive in the ConfigureNotify event; if we get what we asked
5536 for, then the event won't cause the screen to become garbaged, so
5537 we have to make sure to do it here. */
5538 SET_FRAME_GARBAGED (f
);
5540 /* If cursor was outside the new size, mark it as off. */
5541 mark_window_cursors_off (XWINDOW (f
->root_window
));
5543 /* Clear out any recollection of where the mouse highlighting was,
5544 since it might be in a place that's outside the new frame size.
5545 Actually checking whether it is outside is a pain in the neck,
5546 so don't try--just let the highlighting be done afresh with new size. */
5547 cancel_mouse_face (f
);
5552 /* Mouse warping. */
5554 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5557 x_set_mouse_position (f
, x
, y
)
5563 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5564 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5566 if (pix_x
< 0) pix_x
= 0;
5567 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5569 if (pix_y
< 0) pix_y
= 0;
5570 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5572 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5576 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5585 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5586 pt
.x
= rect
.left
+ pix_x
;
5587 pt
.y
= rect
.top
+ pix_y
;
5588 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5590 SetCursorPos (pt
.x
, pt
.y
);
5596 /* focus shifting, raising and lowering. */
5599 x_focus_on_frame (f
)
5602 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5604 /* Give input focus to frame. */
5607 /* Try not to change its Z-order if possible. */
5608 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5609 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5612 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5622 /* Raise frame F. */
5629 /* Strictly speaking, raise-frame should only change the frame's Z
5630 order, leaving input focus unchanged. This is reasonable behaviour
5631 on X where the usual policy is point-to-focus. However, this
5632 behaviour would be very odd on Windows where the usual policy is
5635 On X, if the mouse happens to be over the raised frame, it gets
5636 input focus anyway (so the window with focus will never be
5637 completely obscured) - if not, then just moving the mouse over it
5638 is sufficient to give it focus. On Windows, the user must actually
5639 click on the frame (preferrably the title bar so as not to move
5640 point), which is more awkward. Also, no other Windows program
5641 raises a window to the top but leaves another window (possibly now
5642 completely obscured) with input focus.
5644 Because there is a system setting on Windows that allows the user
5645 to choose the point to focus policy, we make the strict semantics
5646 optional, but by default we grab focus when raising. */
5648 if (NILP (Vw32_grab_focus_on_raise
))
5650 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5651 not already the foreground application: the frame is raised
5652 above all other frames belonging to us, but not above the
5653 current top window. To achieve that, we have to resort to this
5654 more cumbersome method. */
5656 HDWP handle
= BeginDeferWindowPos (2);
5659 DeferWindowPos (handle
,
5660 FRAME_W32_WINDOW (f
),
5663 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5665 DeferWindowPos (handle
,
5666 GetForegroundWindow (),
5667 FRAME_W32_WINDOW (f
),
5669 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5671 EndDeferWindowPos (handle
);
5676 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5682 /* Lower frame F. */
5688 my_set_window_pos (FRAME_W32_WINDOW (f
),
5691 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5696 w32_frame_raise_lower (f
, raise_flag
)
5700 if (! FRAME_W32_P (f
))
5709 /* Change of visibility. */
5711 /* This tries to wait until the frame is really visible.
5712 However, if the window manager asks the user where to position
5713 the frame, this will return before the user finishes doing that.
5714 The frame will not actually be visible at that time,
5715 but it will become visible later when the window manager
5716 finishes with it. */
5719 x_make_frame_visible (f
)
5726 type
= x_icon_type (f
);
5728 x_bitmap_icon (f
, type
);
5730 if (! FRAME_VISIBLE_P (f
))
5732 /* We test FRAME_GARBAGED_P here to make sure we don't
5733 call x_set_offset a second time
5734 if we get to x_make_frame_visible a second time
5735 before the window gets really visible. */
5736 if (! FRAME_ICONIFIED_P (f
)
5737 && ! f
->output_data
.w32
->asked_for_visible
)
5742 /* Adjust vertical window position in order to avoid being
5743 covered by a task bar placed at the bottom of the desktop. */
5744 SystemParametersInfo(SPI_GETWORKAREA
, 0, &workarea_rect
, 0);
5745 GetWindowRect(FRAME_W32_WINDOW(f
), &window_rect
);
5746 if (window_rect
.bottom
> workarea_rect
.bottom
5747 && window_rect
.top
> workarea_rect
.top
)
5748 f
->top_pos
= max (window_rect
.top
5749 - window_rect
.bottom
+ workarea_rect
.bottom
,
5752 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5755 f
->output_data
.w32
->asked_for_visible
= 1;
5757 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5758 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5761 /* Synchronize to ensure Emacs knows the frame is visible
5762 before we do anything else. We do this loop with input not blocked
5763 so that incoming events are handled. */
5768 /* This must come after we set COUNT. */
5771 XSETFRAME (frame
, f
);
5773 /* Wait until the frame is visible. Process X events until a
5774 MapNotify event has been seen, or until we think we won't get a
5775 MapNotify at all.. */
5776 for (count
= input_signal_count
+ 10;
5777 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5779 /* Force processing of queued events. */
5780 /* TODO: x_sync equivalent? */
5782 /* Machines that do polling rather than SIGIO have been observed
5783 to go into a busy-wait here. So we'll fake an alarm signal
5784 to let the handler know that there's something to be read.
5785 We used to raise a real alarm, but it seems that the handler
5786 isn't always enabled here. This is probably a bug. */
5787 if (input_polling_used ())
5789 /* It could be confusing if a real alarm arrives while processing
5790 the fake one. Turn it off and let the handler reset it. */
5791 int old_poll_suppress_count
= poll_suppress_count
;
5792 poll_suppress_count
= 1;
5793 poll_for_input_1 ();
5794 poll_suppress_count
= old_poll_suppress_count
;
5797 FRAME_SAMPLE_VISIBILITY (f
);
5801 /* Change from mapped state to withdrawn state. */
5803 /* Make the frame visible (mapped and not iconified). */
5805 x_make_frame_invisible (f
)
5808 /* Don't keep the highlight on an invisible frame. */
5809 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5810 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5814 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5816 /* We can't distinguish this from iconification
5817 just by the event that we get from the server.
5818 So we can't win using the usual strategy of letting
5819 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5820 and synchronize with the server to make sure we agree. */
5822 FRAME_ICONIFIED_P (f
) = 0;
5823 f
->async_visible
= 0;
5824 f
->async_iconified
= 0;
5829 /* Change window state from mapped to iconified. */
5837 /* Don't keep the highlight on an invisible frame. */
5838 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5839 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5841 if (f
->async_iconified
)
5846 type
= x_icon_type (f
);
5848 x_bitmap_icon (f
, type
);
5850 /* Simulate the user minimizing the frame. */
5851 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5857 /* Free X resources of frame F. */
5860 x_free_frame_resources (f
)
5863 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5867 if (FRAME_W32_WINDOW (f
))
5868 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5870 free_frame_menubar (f
);
5872 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5873 unload_color (f
, f
->output_data
.x
->background_pixel
);
5874 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5875 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5876 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5877 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5878 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5879 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5880 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5881 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5883 if (FRAME_FACE_CACHE (f
))
5884 free_frame_faces (f
);
5886 xfree (f
->output_data
.w32
);
5887 f
->output_data
.w32
= NULL
;
5889 if (f
== dpyinfo
->w32_focus_frame
)
5890 dpyinfo
->w32_focus_frame
= 0;
5891 if (f
== dpyinfo
->w32_focus_event_frame
)
5892 dpyinfo
->w32_focus_event_frame
= 0;
5893 if (f
== dpyinfo
->x_highlight_frame
)
5894 dpyinfo
->x_highlight_frame
= 0;
5896 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5898 dpyinfo
->mouse_face_beg_row
5899 = dpyinfo
->mouse_face_beg_col
= -1;
5900 dpyinfo
->mouse_face_end_row
5901 = dpyinfo
->mouse_face_end_col
= -1;
5902 dpyinfo
->mouse_face_window
= Qnil
;
5903 dpyinfo
->mouse_face_deferred_gc
= 0;
5904 dpyinfo
->mouse_face_mouse_frame
= 0;
5911 /* Destroy the window of frame F. */
5913 x_destroy_window (f
)
5916 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5918 x_free_frame_resources (f
);
5920 dpyinfo
->reference_count
--;
5924 /* Setting window manager hints. */
5926 /* Set the normal size hints for the window manager, for frame F.
5927 FLAGS is the flags word to use--or 0 meaning preserve the flags
5928 that the window now has.
5929 If USER_POSITION is nonzero, we set the USPosition
5930 flag (this is useful when FLAGS is 0). */
5932 x_wm_set_size_hint (f
, flags
, user_position
)
5937 Window window
= FRAME_W32_WINDOW (f
);
5941 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5942 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5943 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5944 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5949 /* Window manager things */
5951 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5956 Window window
= FRAME_W32_WINDOW (f
);
5958 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5959 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5960 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5962 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5967 /***********************************************************************
5969 ***********************************************************************/
5971 /* The following functions are listed here to help diff stay in step
5972 with xterm.c. See w32fns.c for definitions.
5974 x_get_font_info (f, font_idx)
5975 x_list_fonts (f, pattern, size, maxnames)
5981 /* Check that FONT is valid on frame F. It is if it can be found in F's
5985 x_check_font (f
, font
)
5990 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5992 xassert (font
!= NULL
);
5994 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5995 if (dpyinfo
->font_table
[i
].name
5996 && font
== dpyinfo
->font_table
[i
].font
)
5999 xassert (i
< dpyinfo
->n_fonts
);
6002 #endif /* GLYPH_DEBUG != 0 */
6004 /* Set *W to the minimum width, *H to the minimum font height of FONT.
6005 Note: There are (broken) X fonts out there with invalid XFontStruct
6006 min_bounds contents. For example, handa@etl.go.jp reports that
6007 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6008 have font->min_bounds.width == 0. */
6011 x_font_min_bounds (font
, w
, h
)
6016 * TODO: Windows does not appear to offer min bound, only
6017 * average and maximum width, and maximum height.
6019 *h
= FONT_HEIGHT (font
);
6020 *w
= FONT_WIDTH (font
);
6024 /* Compute the smallest character width and smallest font height over
6025 all fonts available on frame F. Set the members smallest_char_width
6026 and smallest_font_height in F's x_display_info structure to
6027 the values computed. Value is non-zero if smallest_font_height or
6028 smallest_char_width become smaller than they were before. */
6031 x_compute_min_glyph_bounds (f
)
6035 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6037 int old_width
= dpyinfo
->smallest_char_width
;
6038 int old_height
= dpyinfo
->smallest_font_height
;
6040 dpyinfo
->smallest_font_height
= 100000;
6041 dpyinfo
->smallest_char_width
= 100000;
6043 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6044 if (dpyinfo
->font_table
[i
].name
)
6046 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6049 font
= (XFontStruct
*) fontp
->font
;
6050 xassert (font
!= (XFontStruct
*) ~0);
6051 x_font_min_bounds (font
, &w
, &h
);
6053 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6054 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6057 xassert (dpyinfo
->smallest_char_width
> 0
6058 && dpyinfo
->smallest_font_height
> 0);
6060 return (dpyinfo
->n_fonts
== 1
6061 || dpyinfo
->smallest_char_width
< old_width
6062 || dpyinfo
->smallest_font_height
< old_height
);
6065 /* The following functions are listed here to help diff stay in step
6066 with xterm.c. See w32fns.c for definitions.
6068 x_load_font (f, fontname, size)
6069 x_query_font (f, fontname)
6070 x_find_ccl_program (fontp)
6074 /***********************************************************************
6076 ***********************************************************************/
6078 static int w32_initialized
= 0;
6081 w32_initialize_display_info (display_name
)
6082 Lisp_Object display_name
;
6084 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6086 bzero (dpyinfo
, sizeof (*dpyinfo
));
6088 /* Put it on w32_display_name_list. */
6089 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6090 w32_display_name_list
);
6091 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6093 dpyinfo
->w32_id_name
6094 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6095 + SCHARS (Vsystem_name
)
6097 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6098 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6100 /* Default Console mode values - overridden when running in GUI mode
6101 with values obtained from system metrics. */
6104 dpyinfo
->height_in
= 1;
6105 dpyinfo
->width_in
= 1;
6106 dpyinfo
->n_planes
= 1;
6107 dpyinfo
->n_cbits
= 4;
6108 dpyinfo
->n_fonts
= 0;
6109 dpyinfo
->smallest_font_height
= 1;
6110 dpyinfo
->smallest_char_width
= 1;
6112 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6113 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6114 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6115 dpyinfo
->mouse_face_window
= Qnil
;
6116 dpyinfo
->mouse_face_overlay
= Qnil
;
6117 dpyinfo
->mouse_face_hidden
= 0;
6119 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6120 /* TODO: dpyinfo->gray */
6124 /* Create an xrdb-style database of resources to supercede registry settings.
6125 The database is just a concatenation of C strings, finished by an additional
6126 \0. The string are submitted to some basic normalization, so
6128 [ *]option[ *]:[ *]value...
6134 but any whitespace following value is not removed. */
6137 w32_make_rdb (xrm_option
)
6140 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6141 char *current
= buffer
;
6144 int before_value
= 0;
6158 if (in_option
&& (ch
== ':'))
6163 else if (before_value
)
6168 else if (!(in_option
|| before_value
))
6179 struct w32_display_info
*
6180 w32_term_init (display_name
, xrm_option
, resource_name
)
6181 Lisp_Object display_name
;
6183 char *resource_name
;
6185 struct w32_display_info
*dpyinfo
;
6190 if (!w32_initialized
)
6193 w32_initialized
= 1;
6196 w32_initialize_display_info (display_name
);
6198 dpyinfo
= &one_w32_display_info
;
6200 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6202 /* Put this display on the chain. */
6203 dpyinfo
->next
= x_display_list
;
6204 x_display_list
= dpyinfo
;
6206 hdc
= GetDC (GetDesktopWindow ());
6208 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6209 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6210 dpyinfo
->root_window
= GetDesktopWindow ();
6211 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6212 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6213 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6214 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6215 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6216 dpyinfo
->image_cache
= make_image_cache ();
6217 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6218 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6219 ReleaseDC (GetDesktopWindow (), hdc
);
6221 /* initialise palette with white and black */
6224 w32_defined_color (0, "white", &color
, 1);
6225 w32_defined_color (0, "black", &color
, 1);
6228 /* Create Fringe Bitmaps and store them for later use.
6230 On W32, bitmaps are all unsigned short, as Windows requires
6231 bitmap data to be Word aligned. For some reason they are
6232 horizontally reflected compared to how they appear on X, so we
6233 need to bitswap and convert to unsigned shorts before creating
6237 #ifndef F_SETOWN_BUG
6239 #ifdef F_SETOWN_SOCK_NEG
6240 /* stdin is a socket here */
6241 fcntl (connection
, F_SETOWN
, -getpid ());
6242 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6243 fcntl (connection
, F_SETOWN
, getpid ());
6244 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6245 #endif /* ! defined (F_SETOWN) */
6246 #endif /* F_SETOWN_BUG */
6249 if (interrupt_input
)
6250 init_sigio (connection
);
6251 #endif /* ! defined (SIGIO) */
6258 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6261 x_delete_display (dpyinfo
)
6262 struct w32_display_info
*dpyinfo
;
6264 /* Discard this display from w32_display_name_list and w32_display_list.
6265 We can't use Fdelq because that can quit. */
6266 if (! NILP (w32_display_name_list
)
6267 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6268 w32_display_name_list
= XCDR (w32_display_name_list
);
6273 tail
= w32_display_name_list
;
6274 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6276 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6278 XSETCDR (tail
, XCDR (XCDR (tail
)));
6285 /* free palette table */
6287 struct w32_palette_entry
* plist
;
6289 plist
= dpyinfo
->color_list
;
6292 struct w32_palette_entry
* pentry
= plist
;
6293 plist
= plist
->next
;
6296 dpyinfo
->color_list
= NULL
;
6297 if (dpyinfo
->palette
)
6298 DeleteObject(dpyinfo
->palette
);
6300 xfree (dpyinfo
->font_table
);
6301 xfree (dpyinfo
->w32_id_name
);
6303 w32_reset_fringes ();
6306 /* Set up use of W32. */
6308 DWORD WINAPI
w32_msg_worker (void * arg
);
6311 x_flush (struct frame
* f
)
6312 { /* Nothing to do */ }
6314 extern frame_parm_handler w32_frame_parm_handlers
[];
6316 static struct redisplay_interface w32_redisplay_interface
=
6318 w32_frame_parm_handlers
,
6322 x_clear_end_of_line
,
6324 x_after_update_window_line
,
6325 x_update_window_begin
,
6326 x_update_window_end
,
6329 0, /* flush_display_optional */
6330 x_clear_window_mouse_face
,
6331 w32_get_glyph_overhangs
,
6332 x_fix_overlapping_area
,
6333 w32_draw_fringe_bitmap
,
6334 w32_define_fringe_bitmap
,
6335 w32_destroy_fringe_bitmap
,
6336 w32_per_char_metric
,
6338 NULL
, /* w32_compute_glyph_string_overhangs */
6339 x_draw_glyph_string
,
6340 w32_define_frame_cursor
,
6341 w32_clear_frame_area
,
6342 w32_draw_window_cursor
,
6343 w32_draw_vertical_window_border
,
6344 w32_shift_glyphs_for_insert
6350 rif
= &w32_redisplay_interface
;
6352 /* MSVC does not type K&R functions with no arguments correctly, and
6353 so we must explicitly cast them. */
6354 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6355 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6356 update_begin_hook
= x_update_begin
;
6357 update_end_hook
= x_update_end
;
6359 read_socket_hook
= w32_read_socket
;
6361 frame_up_to_date_hook
= w32_frame_up_to_date
;
6363 mouse_position_hook
= w32_mouse_position
;
6364 frame_rehighlight_hook
= w32_frame_rehighlight
;
6365 frame_raise_lower_hook
= w32_frame_raise_lower
;
6366 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6367 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6368 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6369 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6371 scroll_region_ok
= 1; /* we'll scroll partial frames */
6372 char_ins_del_ok
= 1;
6373 line_ins_del_ok
= 1; /* we'll just blt 'em */
6374 fast_clear_end_of_line
= 1; /* X does this well */
6375 memory_below_frame
= 0; /* we don't remember what scrolls
6379 w32_system_caret_hwnd
= NULL
;
6380 w32_system_caret_height
= 0;
6381 w32_system_caret_x
= 0;
6382 w32_system_caret_y
= 0;
6384 /* Initialize w32_use_visible_system_caret based on whether a screen
6385 reader is in use. */
6386 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6387 &w32_use_visible_system_caret
, 0))
6388 w32_use_visible_system_caret
= 0;
6390 last_tool_bar_item
= -1;
6391 any_help_event_p
= 0;
6393 /* Initialize input mode: interrupt_input off, no flow control, allow
6394 8 bit character input, standard quit char. */
6395 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6397 /* Create the window thread - it will terminate itself or when the app terminates */
6401 dwMainThreadId
= GetCurrentThreadId ();
6402 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6403 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6405 /* Wait for thread to start */
6410 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6412 hWindowsThread
= CreateThread (NULL
, 0,
6414 0, 0, &dwWindowsThreadId
);
6416 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6419 /* It is desirable that mainThread should have the same notion of
6420 focus window and active window as windowsThread. Unfortunately, the
6421 following call to AttachThreadInput, which should do precisely what
6422 we need, causes major problems when Emacs is linked as a console
6423 program. Unfortunately, we have good reasons for doing that, so
6424 instead we need to send messages to windowsThread to make some API
6425 calls for us (ones that affect, or depend on, the active/focus
6427 #ifdef ATTACH_THREADS
6428 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6431 /* Load system settings. */
6433 UINT smoothing_type
;
6434 BOOL smoothing_enabled
;
6436 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6437 otherwise use the fixed height. */
6438 vertical_scroll_bar_min_handle
= 5;
6440 /* For either kind of scroll bar, take account of the arrows; these
6441 effectively form the border of the main scroll bar range. */
6442 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6443 = GetSystemMetrics (SM_CYVSCROLL
);
6445 /* Constants that are not always defined by the system headers
6446 since they only exist on certain versions of Windows. */
6447 #ifndef SPI_GETFONTSMOOTHING
6448 #define SPI_GETFONTSMOOTHING 0x4A
6450 #ifndef SPI_GETFONTSMOOTHINGTYPE
6451 #define SPI_GETFONTSMOOTHINGTYPE 0x0200A
6453 #ifndef FE_FONTSMOOTHINGCLEARTYPE
6454 #define FE_FONTSMOOTHINGCLEARTYPE 0x2
6457 /* Determine if Cleartype is in use. Used to enable a hack in
6458 the char metric calculations which adds extra pixels to
6459 compensate for the "sub-pixels" that are not counted by the
6462 SystemParametersInfo (SPI_GETFONTSMOOTHING
, 0, &smoothing_enabled
, 0)
6463 && smoothing_enabled
6464 && SystemParametersInfo (SPI_GETFONTSMOOTHINGTYPE
, 0, &smoothing_type
, 0)
6465 && smoothing_type
== FE_FONTSMOOTHINGCLEARTYPE
;
6472 staticpro (&w32_display_name_list
);
6473 w32_display_name_list
= Qnil
;
6475 staticpro (&last_mouse_scroll_bar
);
6476 last_mouse_scroll_bar
= Qnil
;
6478 staticpro (&Qvendor_specific_keysyms
);
6479 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6481 DEFVAR_INT ("w32-num-mouse-buttons",
6482 &w32_num_mouse_buttons
,
6483 doc
: /* Number of physical mouse buttons. */);
6484 w32_num_mouse_buttons
= 2;
6486 DEFVAR_LISP ("w32-swap-mouse-buttons",
6487 &Vw32_swap_mouse_buttons
,
6488 doc
: /* Swap the mapping of middle and right mouse buttons.
6489 When nil, middle button is mouse-2 and right button is mouse-3. */);
6490 Vw32_swap_mouse_buttons
= Qnil
;
6492 DEFVAR_LISP ("w32-grab-focus-on-raise",
6493 &Vw32_grab_focus_on_raise
,
6494 doc
: /* Raised frame grabs input focus.
6495 When t, `raise-frame' grabs input focus as well. This fits well
6496 with the normal Windows click-to-focus policy, but might not be
6497 desirable when using a point-to-focus policy. */);
6498 Vw32_grab_focus_on_raise
= Qt
;
6500 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6501 &Vw32_capslock_is_shiftlock
,
6502 doc
: /* Apply CapsLock state to non character input keys.
6503 When nil, CapsLock only affects normal character input keys. */);
6504 Vw32_capslock_is_shiftlock
= Qnil
;
6506 DEFVAR_LISP ("w32-recognize-altgr",
6507 &Vw32_recognize_altgr
,
6508 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6509 When nil, the right-alt and left-ctrl key combination is
6510 interpreted normally. */);
6511 Vw32_recognize_altgr
= Qt
;
6513 DEFVAR_BOOL ("w32-enable-unicode-output",
6514 &w32_enable_unicode_output
,
6515 doc
: /* Enable the use of Unicode for text output if non-nil.
6516 Unicode output may prevent some third party applications for displaying
6517 Far-East Languages on Windows 95/98 from working properly.
6518 NT uses Unicode internally anyway, so this flag will probably have no
6519 affect on NT machines. */);
6520 w32_enable_unicode_output
= 1;
6522 DEFVAR_BOOL ("w32-use-visible-system-caret",
6523 &w32_use_visible_system_caret
,
6524 doc
: /* Flag to make the system caret visible.
6525 When this is non-nil, Emacs will indicate the position of point by
6526 using the system caret instead of drawing its own cursor. Some screen
6527 reader software does not track the system cursor properly when it is
6528 invisible, and gets confused by Emacs drawing its own cursor, so this
6529 variable is initialized to t when Emacs detects that screen reader
6530 software is running as it starts up.
6532 When this variable is set, other variables affecting the appearance of
6533 the cursor have no effect. */);
6535 w32_use_visible_system_caret
= 0;
6537 /* We don't yet support this, but defining this here avoids whining
6538 from cus-start.el and other places, like "M-x set-variable". */
6539 DEFVAR_BOOL ("x-use-underline-position-properties",
6540 &x_use_underline_position_properties
,
6541 doc
: /* *Non-nil means make use of UNDERLINE_POSITION font properties.
6542 A value of nil means ignore them. If you encounter fonts with bogus
6543 UNDERLINE_POSITION font properties, for example 7x13 on XFree prior
6544 to 4.1, set this to nil.
6546 NOTE: Not supported on MS-Windows yet. */);
6547 x_use_underline_position_properties
= 0;
6549 DEFVAR_BOOL ("x-underline-at-descent-line",
6550 &x_underline_at_descent_line
,
6551 doc
: /* *Non-nil means to draw the underline at the same place as the descent line.
6552 A value of nil means to draw the underline according to the value of the
6553 variable `x-use-underline-position-properties', which is usually at the
6554 baseline level. The default value is nil. */);
6555 x_underline_at_descent_line
= 0;
6557 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6558 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6559 Vx_toolkit_scroll_bars
= Qt
;
6561 staticpro (&last_mouse_motion_frame
);
6562 last_mouse_motion_frame
= Qnil
;
6565 /* arch-tag: 5fa70624-ab86-499c-8a85-473958ee4646
6566 (do not change this comment) */