1 /* Implementation of GUI terminal on the Microsoft W32 API.
2 Copyright (C) 1989, 93, 94, 95, 96, 1997, 1998, 1999, 2000, 2001
3 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
28 #include "blockinput.h"
47 #include "dispextern.h"
49 #include "termhooks.h"
56 #include "intervals.h"
57 #include "composite.h"
60 #define abs(x) ((x) < 0 ? -(x) : (x))
65 static HBITMAP fringe_bmp
[MAX_FRINGE_BITMAPS
];
67 /* Non-nil means Emacs uses toolkit scroll bars. */
69 Lisp_Object Vx_toolkit_scroll_bars
;
71 /* Temporary variables for w32_read_socket. */
73 static int last_mousemove_x
= 0;
74 static int last_mousemove_y
= 0;
76 /* Non-zero means that a HELP_EVENT has been generated since Emacs
79 static int any_help_event_p
;
81 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
82 static Lisp_Object last_window
;
84 extern unsigned int msh_mousewheel
;
86 extern void free_frame_menubar ();
88 extern int w32_codepage_for_font (char *fontname
);
89 extern Cursor
w32_load_cursor (LPCTSTR name
);
91 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
92 unsigned char *text
, int dim
);
93 extern Lisp_Object Vwindow_system
;
95 #define x_any_window_to_frame x_window_to_frame
96 #define x_top_window_to_frame x_window_to_frame
99 /* This is display since w32 does not support multiple ones. */
100 struct w32_display_info one_w32_display_info
;
101 struct w32_display_info
*x_display_list
;
103 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
104 one for each element of w32_display_list and in the same order.
105 NAME is the name of the frame.
106 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
107 Lisp_Object w32_display_name_list
;
109 /* Frame being updated by update_frame. This is declared in term.c.
110 This is set by update_begin and looked at by all the
111 w32 functions. It is zero while not inside an update.
112 In that case, the w32 functions assume that `SELECTED_FRAME ()'
113 is the frame to apply to. */
114 extern struct frame
*updating_frame
;
116 /* This is a frame waiting to be autoraised, within w32_read_socket. */
117 struct frame
*pending_autoraise_frame
;
119 /* The handle of the frame that currently owns the system caret. */
120 HWND w32_system_caret_hwnd
;
121 int w32_system_caret_height
;
122 int w32_system_caret_x
;
123 int w32_system_caret_y
;
124 int w32_use_visible_system_caret
;
126 /* Flag to enable Unicode output in case users wish to use programs
127 like Twinbridge on '95 rather than installed system level support
128 for Far East languages. */
129 int w32_enable_unicode_output
;
131 DWORD dwWindowsThreadId
= 0;
132 HANDLE hWindowsThread
= NULL
;
133 DWORD dwMainThreadId
= 0;
134 HANDLE hMainThread
= NULL
;
137 /* These definitions are new with Windows 95. */
138 #define SIF_RANGE 0x0001
139 #define SIF_PAGE 0x0002
140 #define SIF_POS 0x0004
141 #define SIF_DISABLENOSCROLL 0x0008
142 #define SIF_TRACKPOS 0x0010
143 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
145 typedef struct tagSCROLLINFO
154 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
155 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
158 /* Dynamic linking to new proportional scroll bar functions. */
159 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
160 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
162 int vertical_scroll_bar_min_handle
;
163 int vertical_scroll_bar_top_border
;
164 int vertical_scroll_bar_bottom_border
;
166 int last_scroll_bar_drag_pos
;
168 /* Mouse movement. */
170 /* Where the mouse was last time we reported a mouse event. */
172 static RECT last_mouse_glyph
;
173 static Lisp_Object last_mouse_press_frame
;
175 Lisp_Object Vw32_num_mouse_buttons
;
177 Lisp_Object Vw32_swap_mouse_buttons
;
179 /* Control whether x_raise_frame also sets input focus. */
180 Lisp_Object Vw32_grab_focus_on_raise
;
182 /* Control whether Caps Lock affects non-ascii characters. */
183 Lisp_Object Vw32_capslock_is_shiftlock
;
185 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
186 Lisp_Object Vw32_recognize_altgr
;
188 /* The scroll bar in which the last motion event occurred.
190 If the last motion event occurred in a scroll bar, we set this
191 so w32_mouse_position can know whether to report a scroll bar motion or
194 If the last motion event didn't occur in a scroll bar, we set this
195 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
196 static Lisp_Object last_mouse_scroll_bar
;
197 static int last_mouse_scroll_bar_pos
;
199 /* This is a hack. We would really prefer that w32_mouse_position would
200 return the time associated with the position it returns, but there
201 doesn't seem to be any way to wrest the time-stamp from the server
202 along with the position query. So, we just keep track of the time
203 of the last movement we received, and return that in hopes that
204 it's somewhat accurate. */
206 static Time last_mouse_movement_time
;
208 /* Incremented by w32_read_socket whenever it really tries to read
212 static int volatile input_signal_count
;
214 static int input_signal_count
;
217 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
219 extern Lisp_Object Qface
, Qmouse_face
;
225 /* A mask of extra modifier bits to put into every keyboard char. */
227 extern EMACS_INT extra_keyboard_modifiers
;
229 static void x_update_window_end
P_ ((struct window
*, int, int));
230 void w32_delete_display
P_ ((struct w32_display_info
*));
231 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
232 struct input_event
*));
233 void w32_define_cursor
P_ ((Window
, Cursor
));
235 void x_lower_frame
P_ ((struct frame
*));
236 void x_scroll_bar_clear
P_ ((struct frame
*));
237 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
238 void x_raise_frame
P_ ((struct frame
*));
239 void x_set_window_size
P_ ((struct frame
*, int, int, int));
240 void x_wm_set_window_state
P_ ((struct frame
*, int));
241 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
242 void w32_initialize
P_ ((void));
243 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
244 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
245 static void x_update_end
P_ ((struct frame
*));
246 static void w32_frame_up_to_date
P_ ((struct frame
*));
247 static void w32_set_terminal_modes
P_ ((void));
248 static void w32_reset_terminal_modes
P_ ((void));
249 static void x_clear_frame
P_ ((void));
250 static void frame_highlight
P_ ((struct frame
*));
251 static void frame_unhighlight
P_ ((struct frame
*));
252 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
254 static void w32_frame_rehighlight
P_ ((struct frame
*));
255 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
256 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
257 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
258 enum text_cursor_kinds
));
259 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*,
262 static Lisp_Object Qvendor_specific_keysyms
;
265 /***********************************************************************
267 ***********************************************************************/
271 /* This is a function useful for recording debugging information about
272 the sequence of occurrences in this file. */
280 struct record event_record
[100];
282 int event_record_index
;
284 record_event (locus
, type
)
288 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
289 event_record_index
= 0;
291 event_record
[event_record_index
].locus
= locus
;
292 event_record
[event_record_index
].type
= type
;
293 event_record_index
++;
299 void XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
302 if (mask
& GCForeground
)
303 gc
->foreground
= xgcv
->foreground
;
304 if (mask
& GCBackground
)
305 gc
->background
= xgcv
->background
;
307 gc
->font
= xgcv
->font
;
310 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
313 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
314 bzero (gc
, sizeof (XGCValues
));
316 XChangeGC (ignore
, gc
, mask
, xgcv
);
321 void 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
));
503 hdc
= get_frame_dc (f
);
504 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
505 release_frame_dc (f
, hdc
);
509 /* End update of window W (which is equal to updated_window).
511 Draw vertical borders between horizontally adjacent windows, and
512 display W's cursor if CURSOR_ON_P is non-zero.
514 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
515 glyphs in mouse-face were overwritten. In that case we have to
516 make sure that the mouse-highlight is properly redrawn.
518 W may be a menu bar pseudo-window in case we don't have X toolkit
519 support. Such windows don't have a cursor, so don't display it
523 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
525 int cursor_on_p
, mouse_face_overwritten_p
;
527 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
529 if (!w
->pseudo_window_p
)
534 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
536 output_cursor
.x
, output_cursor
.y
);
538 x_draw_vertical_border (w
);
542 /* If a row with mouse-face was overwritten, arrange for
543 XTframe_up_to_date to redisplay the mouse highlight. */
544 if (mouse_face_overwritten_p
)
546 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
547 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
548 dpyinfo
->mouse_face_window
= Qnil
;
551 /* Unhide the caret. This won't actually show the cursor, unless it
552 was visible before the corresponding call to HideCaret in
553 x_update_window_begin. */
554 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
556 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
559 updated_window
= NULL
;
563 /* End update of frame F. This function is installed as a hook in
570 if (! FRAME_W32_P (f
))
573 /* Mouse highlight may be displayed again. */
574 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
578 /* This function is called from various places in xdisp.c whenever a
579 complete update has been performed. The global variable
580 updated_window is not available here. */
583 w32_frame_up_to_date (f
)
588 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
590 if (dpyinfo
->mouse_face_deferred_gc
591 || f
== dpyinfo
->mouse_face_mouse_frame
)
594 if (dpyinfo
->mouse_face_mouse_frame
)
595 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
596 dpyinfo
->mouse_face_mouse_x
,
597 dpyinfo
->mouse_face_mouse_y
);
598 dpyinfo
->mouse_face_deferred_gc
= 0;
605 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
606 arrow bitmaps, or clear the fringes if no bitmaps are required
607 before DESIRED_ROW is made current. The window being updated is
608 found in updated_window. This function is called from
609 update_window_line only if it is known that there are differences
610 between bitmaps to be drawn between current row and DESIRED_ROW. */
613 x_after_update_window_line (desired_row
)
614 struct glyph_row
*desired_row
;
616 struct window
*w
= updated_window
;
622 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
625 draw_row_fringe_bitmaps (w
, desired_row
);
629 /* When a window has disappeared, make sure that no rest of
630 full-width rows stays visible in the internal border. Could
631 check here if updated_window is the leftmost/rightmost window,
632 but I guess it's not worth doing since vertically split windows
633 are almost never used, internal border is rarely set, and the
634 overhead is very small. */
635 if (windows_or_buffers_changed
636 && desired_row
->full_width_p
637 && (f
= XFRAME (w
->frame
),
638 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
640 && (height
= desired_row
->visible_height
,
643 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
645 /* Internal border is drawn below the tool bar. */
646 if (WINDOWP (f
->tool_bar_window
)
647 && w
== XWINDOW (f
->tool_bar_window
))
652 HDC hdc
= get_frame_dc (f
);
653 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
654 w32_clear_area (f
, hdc
, f
->output_data
.w32
->pixel_width
- width
,
656 release_frame_dc (f
, hdc
);
663 /* Draw the bitmap WHICH in one of the left or right fringes of
664 window W. ROW is the glyph row for which to display the bitmap; it
665 determines the vertical position at which the bitmap has to be
669 w32_draw_fringe_bitmap (w
, row
, p
)
671 struct glyph_row
*row
;
672 struct draw_fringe_bitmap_params
*p
;
674 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
676 struct face
*face
= p
->face
;
678 hdc
= get_frame_dc (f
);
680 /* Must clip because of partially visible lines. */
681 w32_clip_to_row (w
, row
, hdc
, 1);
685 w32_fill_area (f
, hdc
, face
->background
,
686 p
->bx
, p
->by
, p
->nx
, p
->ny
);
689 if (p
->which
!= NO_FRINGE_BITMAP
)
691 HBITMAP pixmap
= fringe_bmp
[p
->which
];
695 compat_hdc
= CreateCompatibleDC (hdc
);
698 horig_obj
= SelectObject (compat_hdc
, pixmap
);
699 SetTextColor (hdc
, face
->background
);
700 SetBkColor (hdc
, face
->foreground
);
702 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
703 compat_hdc
, 0, p
->dh
,
706 SelectObject (compat_hdc
, horig_obj
);
707 DeleteDC (compat_hdc
);
711 w32_set_clip_rectangle (hdc
, NULL
);
713 release_frame_dc (f
, hdc
);
717 /* This is called when starting Emacs and when restarting after
718 suspend. When starting Emacs, no window is mapped. And nothing
719 must be done to Emacs's own window if it is suspended (though that
723 w32_set_terminal_modes (void)
727 /* This is called when exiting or suspending Emacs. Exiting will make
728 the W32 windows go away, and suspending requires no action. */
731 w32_reset_terminal_modes (void)
737 /***********************************************************************
739 ***********************************************************************/
741 /* Function prototypes of this page. */
743 static XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*,
745 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
748 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
749 If CHAR2B is not contained in FONT, the font's default character
750 metric is returned. */
753 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
759 glyph_metric
* bdf_metric
;
763 buf
[0] = (char)(*char2b
);
766 buf
[0] = XCHAR2B_BYTE1 (char2b
);
767 buf
[1] = XCHAR2B_BYTE2 (char2b
);
770 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
774 pcm
->width
= bdf_metric
->dwidth
;
775 pcm
->lbearing
= bdf_metric
->bbox
;
776 pcm
->rbearing
= bdf_metric
->dwidth
777 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
778 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
779 pcm
->descent
= -bdf_metric
->bboy
;
788 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
791 enum w32_char_font_type font_type
;
794 HDC hdc
= GetDC (NULL
);
798 xassert (font
&& char2b
);
799 xassert (font
->hfont
);
800 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
802 old_font
= SelectObject (hdc
, font
->hfont
);
804 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
808 if (font_type
== UNICODE_FONT
)
809 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
811 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
816 /* Disabled until we can find a way to get the right results
817 on all versions of Windows. */
819 /* Don't trust the ABC widths. For synthesized fonts they are
820 wrong, and so is the result of GetCharWidth()! */
822 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
824 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
826 /* As far as I can tell, this is the best way to determine what
827 ExtTextOut will do with the broken font. */
828 if (pcm
->width
!= real_width
)
829 pcm
->width
= (pcm
->width
+ real_width
) / 2;
831 pcm
->lbearing
= char_widths
.abcA
;
832 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
833 pcm
->ascent
= FONT_BASE (font
);
834 pcm
->descent
= FONT_DESCENT (font
);
840 /* Either font is not a True-type font, or GetCharABCWidthsW
841 failed (it is not supported on Windows 9x for instance), so we
842 can't determine the full info we would like. All is not lost
843 though - we can call GetTextExtentPoint32 to get rbearing and
844 deduce width based on the font's per-string overhang. lbearing
845 is assumed to be zero. */
847 /* TODO: Some Thai characters (and other composites if Windows
848 supports them) do have lbearing, and report their total width
849 as zero. Need some way of handling them when
850 GetCharABCWidthsW fails. */
853 if (font_type
== UNICODE_FONT
)
854 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
856 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
860 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
861 pcm
->rbearing
= sz
.cx
;
863 pcm
->ascent
= FONT_BASE (font
);
864 pcm
->descent
= FONT_DESCENT (font
);
869 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
874 SelectObject (hdc
, old_font
);
875 ReleaseDC (NULL
, hdc
);
882 w32_per_char_metric (font
, char2b
, font_type
)
885 int /* enum w32_char_font_type */ font_type
;
887 /* The result metric information. */
891 xassert (font
&& char2b
);
892 xassert (font_type
!= UNKNOWN_FONT
);
894 /* Handle the common cases quickly. */
895 if (!font
->bdf
&& font
->per_char
== NULL
)
896 /* TODO: determine whether char2b exists in font? */
897 return &font
->max_bounds
;
898 else if (!font
->bdf
&& *char2b
< 128)
899 return &font
->per_char
[*char2b
];
901 pcm
= &font
->scratch
;
903 if (font_type
== BDF_1D_FONT
)
904 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
905 else if (font_type
== BDF_2D_FONT
)
906 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
908 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
917 w32_cache_char_metrics (font
)
920 wchar_t char2b
= L
'x';
922 /* Cache char metrics for the common cases. */
925 /* TODO: determine whether font is fixed-pitch. */
926 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
928 /* Use the font width and height as max bounds, as not all BDF
929 fonts contain the letter 'x'. */
930 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
931 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
932 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
933 font
->max_bounds
.ascent
= FONT_BASE (font
);
934 font
->max_bounds
.descent
= FONT_DESCENT (font
);
939 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
940 /* Some fonts (eg DBCS fonts) are marked as fixed width even
941 though they contain characters of different widths. */
942 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
944 /* Font is not fixed pitch, so cache per_char info for the
945 ASCII characters. It would be much more work, and probably
946 not worth it, to cache other chars, since we may change
947 between using Unicode and ANSI text drawing functions at
951 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
952 for (i
= 0; i
< 128; i
++)
955 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
960 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
966 /* Determine if a font is double byte. */
967 int w32_font_is_double_byte (XFontStruct
*font
)
969 return font
->double_byte_p
;
974 w32_use_unicode_for_codepage (codepage
)
977 /* If the current codepage is supported, use Unicode for output. */
978 return (w32_enable_unicode_output
979 && codepage
!= CP_8BIT
980 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
983 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
984 the two-byte form of C. Encoding is returned in *CHAR2B. */
986 static int /* enum w32_char_font_type */
987 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
990 struct font_info
*font_info
;
993 int charset
= CHAR_CHARSET (c
);
996 int internal_two_byte_p
= 0;
998 XFontStruct
*font
= font_info
->font
;
1000 internal_two_byte_p
= w32_font_is_double_byte (font
);
1002 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1003 This may be either a program in a special encoder language or a
1005 if (font_info
->font_encoder
)
1007 /* It's a program. */
1008 struct ccl_program
*ccl
= font_info
->font_encoder
;
1010 if (CHARSET_DIMENSION (charset
) == 1)
1012 ccl
->reg
[0] = charset
;
1013 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1018 ccl
->reg
[0] = charset
;
1019 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1020 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1023 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1025 /* We assume that MSBs are appropriately set/reset by CCL
1027 if (!internal_two_byte_p
) /* 1-byte font */
1028 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1030 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1032 else if (font_info
->encoding
[charset
])
1034 /* Fixed encoding scheme. See fontset.h for the meaning of the
1035 encoding numbers. */
1036 int enc
= font_info
->encoding
[charset
];
1038 if ((enc
== 1 || enc
== 2)
1039 && CHARSET_DIMENSION (charset
) == 2)
1040 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1042 if (enc
== 1 || enc
== 3
1043 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1044 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1049 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1051 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1054 codepage
= font_info
->codepage
;
1056 /* If charset is not ASCII or Latin-1, may need to move it into
1058 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1059 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1060 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1063 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1064 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1066 if (codepage
!= CP_UNICODE
)
1069 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1071 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1074 internal_two_byte_p
= 1;
1078 *two_byte_p
= internal_two_byte_p
;
1081 return UNKNOWN_FONT
;
1082 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1087 return UNICODE_FONT
;
1094 /***********************************************************************
1096 ***********************************************************************/
1099 /* Encapsulate the different ways of displaying text under W32. */
1102 w32_text_out (s
, x
, y
,chars
,nchars
)
1103 struct glyph_string
* s
;
1108 int charset_dim
= w32_font_is_double_byte (s
->gc
->font
) ? 2 : 1;
1109 if (s
->gc
->font
->bdf
)
1110 w32_BDF_TextOut (s
->gc
->font
->bdf
, s
->hdc
,
1111 x
, y
, (char *) chars
, charset_dim
,
1112 nchars
* charset_dim
, 0);
1113 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1114 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1116 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1117 nchars
* charset_dim
, NULL
);
1122 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1123 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1124 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1126 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1127 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1128 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1129 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1130 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1131 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1132 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1133 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1134 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1135 double, int, COLORREF
));
1136 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1137 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1138 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1139 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1140 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1141 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1143 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1144 int, int, int, int, RECT
*));
1145 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1146 int, int, int, RECT
*));
1149 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1153 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1158 struct glyph_string
*s
;
1160 if (s
->font
== FRAME_FONT (s
->f
)
1161 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1162 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1164 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1167 /* Cursor on non-default face: must merge. */
1171 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1172 xgcv
.foreground
= s
->face
->background
;
1174 /* If the glyph would be invisible, try a different foreground. */
1175 if (xgcv
.foreground
== xgcv
.background
)
1176 xgcv
.foreground
= s
->face
->foreground
;
1177 if (xgcv
.foreground
== xgcv
.background
)
1178 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1179 if (xgcv
.foreground
== xgcv
.background
)
1180 xgcv
.foreground
= s
->face
->foreground
;
1182 /* Make sure the cursor is distinct from text in this face. */
1183 if (xgcv
.background
== s
->face
->background
1184 && xgcv
.foreground
== s
->face
->foreground
)
1186 xgcv
.background
= s
->face
->foreground
;
1187 xgcv
.foreground
= s
->face
->background
;
1190 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1191 xgcv
.font
= s
->font
;
1192 mask
= GCForeground
| GCBackground
| GCFont
;
1194 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1195 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1198 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1199 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1201 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1206 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1209 x_set_mouse_face_gc (s
)
1210 struct glyph_string
*s
;
1215 /* What face has to be used last for the mouse face? */
1216 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1217 face
= FACE_FROM_ID (s
->f
, face_id
);
1219 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1221 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1222 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1224 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1225 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1226 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1228 /* If font in this face is same as S->font, use it. */
1229 if (s
->font
== s
->face
->font
)
1230 s
->gc
= s
->face
->gc
;
1233 /* Otherwise construct scratch_cursor_gc with values from FACE
1238 xgcv
.background
= s
->face
->background
;
1239 xgcv
.foreground
= s
->face
->foreground
;
1240 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1241 xgcv
.font
= s
->font
;
1242 mask
= GCForeground
| GCBackground
| GCFont
;
1244 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1245 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1248 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1249 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1251 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1254 xassert (s
->gc
!= 0);
1258 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1259 Faces to use in the mode line have already been computed when the
1260 matrix was built, so there isn't much to do, here. */
1263 x_set_mode_line_face_gc (s
)
1264 struct glyph_string
*s
;
1266 s
->gc
= s
->face
->gc
;
1270 /* Set S->gc of glyph string S for drawing that glyph string. Set
1271 S->stippled_p to a non-zero value if the face of S has a stipple
1275 x_set_glyph_string_gc (s
)
1276 struct glyph_string
*s
;
1278 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1280 if (s
->hl
== DRAW_NORMAL_TEXT
)
1282 s
->gc
= s
->face
->gc
;
1283 s
->stippled_p
= s
->face
->stipple
!= 0;
1285 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1287 x_set_mode_line_face_gc (s
);
1288 s
->stippled_p
= s
->face
->stipple
!= 0;
1290 else if (s
->hl
== DRAW_CURSOR
)
1292 x_set_cursor_gc (s
);
1295 else if (s
->hl
== DRAW_MOUSE_FACE
)
1297 x_set_mouse_face_gc (s
);
1298 s
->stippled_p
= s
->face
->stipple
!= 0;
1300 else if (s
->hl
== DRAW_IMAGE_RAISED
1301 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1303 s
->gc
= s
->face
->gc
;
1304 s
->stippled_p
= s
->face
->stipple
!= 0;
1308 s
->gc
= s
->face
->gc
;
1309 s
->stippled_p
= s
->face
->stipple
!= 0;
1312 /* GC must have been set. */
1313 xassert (s
->gc
!= 0);
1317 /* Set clipping for output of glyph string S. S may be part of a mode
1318 line or menu if we don't have X toolkit support. */
1321 x_set_glyph_string_clipping (s
)
1322 struct glyph_string
*s
;
1325 get_glyph_string_clip_rect (s
, &r
);
1326 w32_set_clip_rectangle (s
->hdc
, &r
);
1331 Compute left and right overhang of glyph string S. If S is a glyph
1332 string for a composition, assume overhangs don't exist. */
1335 w32_compute_glyph_string_overhangs (s
)
1336 struct glyph_string
*s
;
1338 /* TODO: Windows does not appear to have a method for
1339 getting this info without getting the ABC widths for each
1340 individual character and working it out manually. */
1345 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1346 struct glyph
*glyph
;
1350 HDC hdc
= get_frame_dc (f
);
1351 /* Convert to unicode! */
1352 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1353 release_frame_dc (f
, hdc
);
1357 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1360 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1361 struct glyph_string
*s
;
1369 /* Take clipping into account. */
1370 if (s
->gc
->clip_mask
== Rect
)
1372 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1373 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1374 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1375 - s
->gc
->clip_rectangle
.left
);
1376 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1377 - s
->gc
->clip_rectangle
.top
);
1380 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1385 /* Draw the background of glyph_string S. If S->background_filled_p
1386 is non-zero don't draw it. FORCE_P non-zero means draw the
1387 background even if it wouldn't be drawn normally. This is used
1388 when a string preceding S draws into the background of S, or S
1389 contains the first component of a composition. */
1392 x_draw_glyph_string_background (s
, force_p
)
1393 struct glyph_string
*s
;
1396 /* Nothing to do if background has already been drawn or if it
1397 shouldn't be drawn in the first place. */
1398 if (!s
->background_filled_p
)
1400 int box_line_width
= max (s
->face
->box_line_width
, 0);
1402 #if 0 /* TODO: stipple */
1405 /* Fill background with a stipple pattern. */
1406 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1407 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1408 s
->y
+ box_line_width
,
1409 s
->background_width
,
1410 s
->height
- 2 * box_line_width
);
1411 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1412 s
->background_filled_p
= 1;
1416 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1417 || s
->font_not_found_p
1418 || s
->extends_to_end_of_line_p
1422 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1423 s
->background_width
,
1424 s
->height
- 2 * box_line_width
);
1425 s
->background_filled_p
= 1;
1431 /* Draw the foreground of glyph string S. */
1434 x_draw_glyph_string_foreground (s
)
1435 struct glyph_string
*s
;
1440 /* If first glyph of S has a left box line, start drawing the text
1441 of S to the right of that box line. */
1442 if (s
->face
->box
!= FACE_NO_BOX
1443 && s
->first_glyph
->left_box_line_p
)
1444 x
= s
->x
+ abs (s
->face
->box_line_width
);
1448 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1449 SetBkMode (s
->hdc
, TRANSPARENT
);
1451 SetBkMode (s
->hdc
, OPAQUE
);
1453 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1454 SetBkColor (s
->hdc
, s
->gc
->background
);
1455 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1457 if (s
->font
&& s
->font
->hfont
)
1458 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1460 /* Draw characters of S as rectangles if S's font could not be
1462 if (s
->font_not_found_p
)
1464 for (i
= 0; i
< s
->nchars
; ++i
)
1466 struct glyph
*g
= s
->first_glyph
+ i
;
1468 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1470 x
+= g
->pixel_width
;
1475 char *char1b
= (char *) s
->char2b
;
1476 int boff
= s
->font_info
->baseline_offset
;
1478 if (s
->font_info
->vertical_centering
)
1479 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1481 /* If we can use 8-bit functions, condense S->char2b. */
1483 for (i
= 0; i
< s
->nchars
; ++i
)
1484 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1486 /* Draw text with TextOut and friends. */
1487 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1489 if (s
->face
->overstrike
)
1491 /* For overstriking (to simulate bold-face), draw the
1492 characters again shifted to the right by one pixel. */
1493 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1496 if (s
->font
&& s
->font
->hfont
)
1497 SelectObject (s
->hdc
, old_font
);
1500 /* Draw the foreground of composite glyph string S. */
1503 x_draw_composite_glyph_string_foreground (s
)
1504 struct glyph_string
*s
;
1509 /* If first glyph of S has a left box line, start drawing the text
1510 of S to the right of that box line. */
1511 if (s
->face
->box
!= FACE_NO_BOX
1512 && s
->first_glyph
->left_box_line_p
)
1513 x
= s
->x
+ abs (s
->face
->box_line_width
);
1517 /* S is a glyph string for a composition. S->gidx is the index of
1518 the first character drawn for glyphs of this composition.
1519 S->gidx == 0 means we are drawing the very first character of
1520 this composition. */
1522 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1523 SetBkColor (s
->hdc
, s
->gc
->background
);
1524 SetBkMode (s
->hdc
, TRANSPARENT
);
1525 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1527 if (s
->font
&& s
->font
->hfont
)
1528 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1530 /* Draw a rectangle for the composition if the font for the very
1531 first character of the composition could not be loaded. */
1532 if (s
->font_not_found_p
)
1535 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1540 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1542 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1543 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1545 if (s
->face
->overstrike
)
1546 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1547 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1552 if (s
->font
&& s
->font
->hfont
)
1553 SelectObject (s
->hdc
, old_font
);
1557 /* Brightness beyond which a color won't have its highlight brightness
1560 Nominally, highlight colors for `3d' faces are calculated by
1561 brightening an object's color by a constant scale factor, but this
1562 doesn't yield good results for dark colors, so for colors who's
1563 brightness is less than this value (on a scale of 0-255) have to
1564 use an additional additive factor.
1566 The value here is set so that the default menu-bar/mode-line color
1567 (grey75) will not have its highlights changed at all. */
1568 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1571 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1572 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1573 If this produces the same color as COLOR, try a color where all RGB
1574 values have DELTA added. Return the allocated color in *COLOR.
1575 DISPLAY is the X display, CMAP is the colormap to operate on.
1576 Value is non-zero if successful. */
1579 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1588 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1591 /* Change RGB values by specified FACTOR. Avoid overflow! */
1592 xassert (factor
>= 0);
1593 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1594 min (0xff, factor
* GetGValue (*color
)),
1595 min (0xff, factor
* GetBValue (*color
)));
1597 /* Calculate brightness of COLOR. */
1598 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1599 + GetBValue (*color
)) / 6;
1601 /* We only boost colors that are darker than
1602 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1603 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1604 /* Make an additive adjustment to NEW, because it's dark enough so
1605 that scaling by FACTOR alone isn't enough. */
1607 /* How far below the limit this color is (0 - 1, 1 being darker). */
1608 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1609 /* The additive adjustment. */
1610 int min_delta
= delta
* dimness
* factor
/ 2;
1613 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1614 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1615 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1617 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1618 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1619 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1623 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1624 max (0, min (0xff, delta
+ GetGValue (*color
))),
1625 max (0, min (0xff, delta
+ GetBValue (*color
))));
1627 /* TODO: Map to palette and retry with delta if same? */
1628 /* TODO: Free colors (if using palette)? */
1639 /* Set up the foreground color for drawing relief lines of glyph
1640 string S. RELIEF is a pointer to a struct relief containing the GC
1641 with which lines will be drawn. Use a color that is FACTOR or
1642 DELTA lighter or darker than the relief's background which is found
1643 in S->f->output_data.x->relief_background. If such a color cannot
1644 be allocated, use DEFAULT_PIXEL, instead. */
1647 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1649 struct relief
*relief
;
1652 COLORREF default_pixel
;
1655 struct w32_output
*di
= f
->output_data
.w32
;
1656 unsigned long mask
= GCForeground
;
1658 COLORREF background
= di
->relief_background
;
1659 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1661 /* TODO: Free colors (if using palette)? */
1663 /* Allocate new color. */
1664 xgcv
.foreground
= default_pixel
;
1666 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1668 relief
->allocated_p
= 1;
1669 xgcv
.foreground
= relief
->pixel
= pixel
;
1672 if (relief
->gc
== 0)
1674 #if 0 /* TODO: stipple */
1675 xgcv
.stipple
= dpyinfo
->gray
;
1678 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1681 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1685 /* Set up colors for the relief lines around glyph string S. */
1688 x_setup_relief_colors (s
)
1689 struct glyph_string
*s
;
1691 struct w32_output
*di
= s
->f
->output_data
.w32
;
1694 if (s
->face
->use_box_color_for_shadows_p
)
1695 color
= s
->face
->box_color
;
1696 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1698 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1699 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1701 color
= s
->gc
->background
;
1703 if (di
->white_relief
.gc
== 0
1704 || color
!= di
->relief_background
)
1706 di
->relief_background
= color
;
1707 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1708 WHITE_PIX_DEFAULT (s
->f
));
1709 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1710 BLACK_PIX_DEFAULT (s
->f
));
1715 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1716 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1717 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1718 relief. LEFT_P non-zero means draw a relief on the left side of
1719 the rectangle. RIGHT_P non-zero means draw a relief on the right
1720 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1724 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1725 raised_p
, left_p
, right_p
, clip_rect
)
1727 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
, raised_p
;
1732 HDC hdc
= get_frame_dc (f
);
1735 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1737 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1739 w32_set_clip_rectangle (hdc
, clip_rect
);
1742 for (i
= 0; i
< width
; ++i
)
1743 w32_fill_area (f
, hdc
, gc
.foreground
,
1744 left_x
+ i
* left_p
, top_y
+ i
,
1745 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1749 for (i
= 0; i
< width
; ++i
)
1750 w32_fill_area (f
, hdc
, gc
.foreground
,
1751 left_x
+ i
, top_y
+ i
, 1,
1752 bottom_y
- top_y
- 2 * i
+ 1);
1755 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1757 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1760 for (i
= 0; i
< width
; ++i
)
1761 w32_fill_area (f
, hdc
, gc
.foreground
,
1762 left_x
+ i
* left_p
, bottom_y
- i
,
1763 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1767 for (i
= 0; i
< width
; ++i
)
1768 w32_fill_area (f
, hdc
, gc
.foreground
,
1769 right_x
- i
, top_y
+ i
+ 1, 1,
1770 bottom_y
- top_y
- 2 * i
- 1);
1772 w32_set_clip_rectangle (hdc
, NULL
);
1774 release_frame_dc (f
, hdc
);
1778 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1779 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1780 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1781 left side of the rectangle. RIGHT_P non-zero means draw a line
1782 on the right side of the rectangle. CLIP_RECT is the clipping
1783 rectangle to use when drawing. */
1786 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1787 left_p
, right_p
, clip_rect
)
1788 struct glyph_string
*s
;
1789 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1792 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1795 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1796 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1801 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1802 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1806 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1807 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1812 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1813 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1816 w32_set_clip_rectangle (s
->hdc
, NULL
);
1820 /* Draw a box around glyph string S. */
1823 x_draw_glyph_string_box (s
)
1824 struct glyph_string
*s
;
1826 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1827 int left_p
, right_p
;
1828 struct glyph
*last_glyph
;
1831 last_x
= window_box_right (s
->w
, s
->area
);
1832 if (s
->row
->full_width_p
1833 && !s
->w
->pseudo_window_p
)
1835 last_x
+= FRAME_X_RIGHT_FRINGE_WIDTH (s
->f
);
1836 if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (s
->f
))
1837 last_x
+= FRAME_SCROLL_BAR_WIDTH (s
->f
) * CANON_X_UNIT (s
->f
);
1840 /* The glyph that may have a right box line. */
1841 last_glyph
= (s
->cmp
|| s
->img
1843 : s
->first_glyph
+ s
->nchars
- 1);
1845 width
= abs (s
->face
->box_line_width
);
1846 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1848 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1850 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1852 bottom_y
= top_y
+ s
->height
- 1;
1854 left_p
= (s
->first_glyph
->left_box_line_p
1855 || (s
->hl
== DRAW_MOUSE_FACE
1857 || s
->prev
->hl
!= s
->hl
)));
1858 right_p
= (last_glyph
->right_box_line_p
1859 || (s
->hl
== DRAW_MOUSE_FACE
1861 || s
->next
->hl
!= s
->hl
)));
1863 get_glyph_string_clip_rect (s
, &clip_rect
);
1865 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1866 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1867 left_p
, right_p
, &clip_rect
);
1870 x_setup_relief_colors (s
);
1871 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1872 width
, raised_p
, left_p
, right_p
, &clip_rect
);
1877 /* Draw foreground of image glyph string S. */
1880 x_draw_image_foreground (s
)
1881 struct glyph_string
*s
;
1884 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1886 /* If first glyph of S has a left box line, start drawing it to the
1887 right of that line. */
1888 if (s
->face
->box
!= FACE_NO_BOX
1889 && s
->first_glyph
->left_box_line_p
)
1890 x
= s
->x
+ abs (s
->face
->box_line_width
);
1894 /* If there is a margin around the image, adjust x- and y-position
1896 x
+= s
->img
->hmargin
;
1897 y
+= s
->img
->vmargin
;
1903 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1904 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1905 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1906 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1907 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1908 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1909 x_set_glyph_string_clipping (s
);
1913 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1914 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1916 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1917 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1919 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1920 compat_hdc
, 0, 0, SRCINVERT
);
1921 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1922 mask_dc
, 0, 0, SRCAND
);
1923 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1924 compat_hdc
, 0, 0, SRCINVERT
);
1926 SelectObject (mask_dc
, mask_orig_obj
);
1931 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1932 SetBkColor (s
->hdc
, s
->gc
->background
);
1934 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1935 compat_hdc
, 0, 0, SRCCOPY
);
1937 /* When the image has a mask, we can expect that at
1938 least part of a mouse highlight or a block cursor will
1939 be visible. If the image doesn't have a mask, make
1940 a block cursor visible by drawing a rectangle around
1941 the image. I believe it's looking better if we do
1942 nothing here for mouse-face. */
1943 if (s
->hl
== DRAW_CURSOR
)
1945 int r
= s
->img
->relief
;
1947 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1948 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
1952 w32_set_clip_rectangle (s
->hdc
, NULL
);
1953 SelectObject (s
->hdc
, orig_brush
);
1954 DeleteObject (fg_brush
);
1955 SelectObject (compat_hdc
, orig_obj
);
1956 DeleteDC (compat_hdc
);
1959 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
, s
->img
->width
-1,
1960 s
->img
->height
- 1);
1962 RestoreDC (s
->hdc
,-1);
1967 /* Draw a relief around the image glyph string S. */
1970 x_draw_image_relief (s
)
1971 struct glyph_string
*s
;
1973 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1976 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1978 /* If first glyph of S has a left box line, start drawing it to the
1979 right of that line. */
1980 if (s
->face
->box
!= FACE_NO_BOX
1981 && s
->first_glyph
->left_box_line_p
)
1982 x
= s
->x
+ abs (s
->face
->box_line_width
);
1986 /* If there is a margin around the image, adjust x- and y-position
1988 x
+= s
->img
->hmargin
;
1989 y
+= s
->img
->vmargin
;
1991 if (s
->hl
== DRAW_IMAGE_SUNKEN
1992 || s
->hl
== DRAW_IMAGE_RAISED
)
1994 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
1995 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
1999 thick
= abs (s
->img
->relief
);
2000 raised_p
= s
->img
->relief
> 0;
2005 x1
= x
+ s
->img
->width
+ thick
- 1;
2006 y1
= y
+ s
->img
->height
+ thick
- 1;
2008 x_setup_relief_colors (s
);
2009 get_glyph_string_clip_rect (s
, &r
);
2010 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
, 1, 1, &r
);
2014 /* Draw the foreground of image glyph string S to PIXMAP. */
2017 w32_draw_image_foreground_1 (s
, pixmap
)
2018 struct glyph_string
*s
;
2021 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2022 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2024 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
);
2026 /* If first glyph of S has a left box line, start drawing it to the
2027 right of that line. */
2028 if (s
->face
->box
!= FACE_NO_BOX
2029 && s
->first_glyph
->left_box_line_p
)
2030 x
= abs (s
->face
->box_line_width
);
2034 /* If there is a margin around the image, adjust x- and y-position
2036 x
+= s
->img
->hmargin
;
2037 y
+= s
->img
->vmargin
;
2041 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2042 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2043 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2044 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2048 HDC mask_dc
= CreateCompatibleDC (hdc
);
2049 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2051 SetTextColor (hdc
, RGB (0, 0, 0));
2052 SetBkColor (hdc
, RGB (255, 255, 255));
2053 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2054 compat_hdc
, 0, 0, SRCINVERT
);
2055 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2056 mask_dc
, 0, 0, SRCAND
);
2057 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2058 compat_hdc
, 0, 0, SRCINVERT
);
2060 SelectObject (mask_dc
, mask_orig_obj
);
2065 SetTextColor (hdc
, s
->gc
->foreground
);
2066 SetBkColor (hdc
, s
->gc
->background
);
2068 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2069 compat_hdc
, 0, 0, SRCCOPY
);
2071 /* When the image has a mask, we can expect that at
2072 least part of a mouse highlight or a block cursor will
2073 be visible. If the image doesn't have a mask, make
2074 a block cursor visible by drawing a rectangle around
2075 the image. I believe it's looking better if we do
2076 nothing here for mouse-face. */
2077 if (s
->hl
== DRAW_CURSOR
)
2079 int r
= s
->img
->relief
;
2081 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2082 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
2086 SelectObject (hdc
, orig_brush
);
2087 DeleteObject (fg_brush
);
2088 SelectObject (compat_hdc
, orig_obj
);
2089 DeleteDC (compat_hdc
);
2092 w32_draw_rectangle (hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
2093 s
->img
->height
- 1);
2095 SelectObject (hdc
, orig_hdc_obj
);
2100 /* Draw part of the background of glyph string S. X, Y, W, and H
2101 give the rectangle to draw. */
2104 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2105 struct glyph_string
*s
;
2108 #if 0 /* TODO: stipple */
2111 /* Fill background with a stipple pattern. */
2112 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2113 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2114 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2118 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2122 /* Draw image glyph string S.
2125 s->x +-------------------------
2128 | +-------------------------
2131 | | +-------------------
2137 x_draw_image_glyph_string (s
)
2138 struct glyph_string
*s
;
2141 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2142 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2146 height
= s
->height
- 2 * box_line_vwidth
;
2148 /* Fill background with face under the image. Do it only if row is
2149 taller than image or if image has a clip mask to reduce
2151 s
->stippled_p
= s
->face
->stipple
!= 0;
2152 if (height
> s
->img
->height
2156 || s
->img
->pixmap
== 0
2157 || s
->width
!= s
->background_width
)
2159 if (box_line_hwidth
&& s
->first_glyph
->left_box_line_p
)
2160 x
= s
->x
+ box_line_hwidth
;
2164 y
= s
->y
+ box_line_vwidth
;
2165 #if 0 /* TODO: figure out if we need to do this on Windows. */
2168 /* Create a pixmap as large as the glyph string. Fill it
2169 with the background color. Copy the image to it, using
2170 its mask. Copy the temporary pixmap to the display. */
2171 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2172 int depth
= DefaultDepthOfScreen (screen
);
2174 /* Create a pixmap as large as the glyph string. */
2175 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2176 s
->background_width
,
2179 /* Don't clip in the following because we're working on the
2181 XSetClipMask (s
->display
, s
->gc
, None
);
2183 /* Fill the pixmap with the background color/stipple. */
2186 /* Fill background with a stipple pattern. */
2187 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2188 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2189 0, 0, s
->background_width
, s
->height
);
2190 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2195 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2197 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2198 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2199 0, 0, s
->background_width
, s
->height
);
2200 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2205 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2207 s
->background_filled_p
= 1;
2210 /* Draw the foreground. */
2213 w32_draw_image_foreground_1 (s
, pixmap
);
2214 x_set_glyph_string_clipping (s
);
2216 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2217 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2218 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2219 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2221 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2222 SetBkColor (s
->hdc
, s
->gc
->background
);
2223 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2224 compat_hdc
, 0, 0, SRCCOPY
);
2226 SelectObject (s
->hdc
, orig_brush
);
2227 DeleteObject (fg_brush
);
2228 SelectObject (compat_hdc
, orig_obj
);
2229 DeleteDC (compat_hdc
);
2231 DeleteObject (pixmap
);
2235 x_draw_image_foreground (s
);
2237 /* If we must draw a relief around the image, do it. */
2239 || s
->hl
== DRAW_IMAGE_RAISED
2240 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2241 x_draw_image_relief (s
);
2245 /* Draw stretch glyph string S. */
2248 x_draw_stretch_glyph_string (s
)
2249 struct glyph_string
*s
;
2251 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2252 s
->stippled_p
= s
->face
->stipple
!= 0;
2254 if (s
->hl
== DRAW_CURSOR
2255 && !x_stretch_cursor_p
)
2257 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2258 as wide as the stretch glyph. */
2259 int width
= min (CANON_X_UNIT (s
->f
), s
->background_width
);
2262 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2264 /* Clear rest using the GC of the original non-cursor face. */
2265 if (width
< s
->background_width
)
2267 XGCValues
*gc
= s
->face
->gc
;
2268 int x
= s
->x
+ width
, y
= s
->y
;
2269 int w
= s
->background_width
- width
, h
= s
->height
;
2273 if (s
->row
->mouse_face_p
2274 && cursor_in_mouse_face_p (s
->w
))
2276 x_set_mouse_face_gc (s
);
2282 get_glyph_string_clip_rect (s
, &r
);
2283 w32_set_clip_rectangle (hdc
, &r
);
2285 #if 0 /* TODO: stipple */
2286 if (s
->face
->stipple
)
2288 /* Fill background with a stipple pattern. */
2289 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2290 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2291 XSetFillStyle (s
->display
, gc
, FillSolid
);
2296 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2300 else if (!s
->background_filled_p
)
2301 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2304 s
->background_filled_p
= 1;
2308 /* Draw glyph string S. */
2311 x_draw_glyph_string (s
)
2312 struct glyph_string
*s
;
2314 int relief_drawn_p
= 0;
2316 /* If S draws into the background of its successor, draw the
2317 background of the successor first so that S can draw into it.
2318 This makes S->next use XDrawString instead of XDrawImageString. */
2319 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2321 xassert (s
->next
->img
== NULL
);
2322 x_set_glyph_string_gc (s
->next
);
2323 x_set_glyph_string_clipping (s
->next
);
2324 x_draw_glyph_string_background (s
->next
, 1);
2327 /* Set up S->gc, set clipping and draw S. */
2328 x_set_glyph_string_gc (s
);
2330 /* Draw relief (if any) in advance for char/composition so that the
2331 glyph string can be drawn over it. */
2332 if (!s
->for_overlaps_p
2333 && s
->face
->box
!= FACE_NO_BOX
2334 && (s
->first_glyph
->type
== CHAR_GLYPH
2335 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2338 x_set_glyph_string_clipping (s
);
2339 x_draw_glyph_string_background (s
, 1);
2340 x_draw_glyph_string_box (s
);
2341 x_set_glyph_string_clipping (s
);
2345 x_set_glyph_string_clipping (s
);
2347 switch (s
->first_glyph
->type
)
2350 x_draw_image_glyph_string (s
);
2354 x_draw_stretch_glyph_string (s
);
2358 if (s
->for_overlaps_p
)
2359 s
->background_filled_p
= 1;
2361 x_draw_glyph_string_background (s
, 0);
2362 x_draw_glyph_string_foreground (s
);
2365 case COMPOSITE_GLYPH
:
2366 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2367 s
->background_filled_p
= 1;
2369 x_draw_glyph_string_background (s
, 1);
2370 x_draw_composite_glyph_string_foreground (s
);
2377 if (!s
->for_overlaps_p
)
2379 /* Draw underline. */
2380 if (s
->face
->underline_p
2381 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2383 unsigned long h
= 1;
2384 unsigned long dy
= s
->height
- h
;
2386 /* TODO: Use font information for positioning and thickness
2387 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
2388 if (s
->face
->underline_defaulted_p
)
2390 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2391 s
->y
+ dy
, s
->width
, 1);
2395 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2396 s
->y
+ dy
, s
->width
, 1);
2400 /* Draw overline. */
2401 if (s
->face
->overline_p
)
2403 unsigned long dy
= 0, h
= 1;
2405 if (s
->face
->overline_color_defaulted_p
)
2407 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2408 s
->y
+ dy
, s
->width
, h
);
2412 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2413 s
->y
+ dy
, s
->width
, h
);
2417 /* Draw strike-through. */
2418 if (s
->face
->strike_through_p
2419 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2421 unsigned long h
= 1;
2422 unsigned long dy
= (s
->height
- h
) / 2;
2424 if (s
->face
->strike_through_color_defaulted_p
)
2426 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2431 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2432 s
->y
+ dy
, s
->width
, h
);
2437 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2438 x_draw_glyph_string_box (s
);
2441 /* Reset clipping. */
2442 w32_set_clip_rectangle (s
->hdc
, NULL
);
2446 /* Shift display to make room for inserted glyphs. */
2449 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2451 int x
, y
, width
, height
, shift_by
;
2455 hdc
= get_frame_dc (f
);
2456 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2457 hdc
, x
, y
, SRCCOPY
);
2459 release_frame_dc (f
, hdc
);
2463 /* Delete N glyphs at the nominal cursor position. Not implemented
2475 f
= SELECTED_FRAME ();
2477 if (! FRAME_W32_P (f
))
2484 /* Clear entire frame. If updating_frame is non-null, clear that
2485 frame. Otherwise clear the selected frame. */
2495 f
= SELECTED_FRAME ();
2497 if (! FRAME_W32_P (f
))
2500 /* Clearing the frame will erase any cursor, so mark them all as no
2502 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2503 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2504 output_cursor
.x
= -1;
2506 /* We don't set the output cursor here because there will always
2507 follow an explicit cursor_to. */
2510 w32_clear_window (f
);
2512 /* We have to clear the scroll bars, too. If we have changed
2513 colors or something like that, then they should be notified. */
2514 x_scroll_bar_clear (f
);
2520 /* Make audible bell. */
2523 w32_ring_bell (void)
2527 f
= SELECTED_FRAME ();
2531 if (FRAME_W32_P (f
) && visible_bell
)
2534 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2536 for (i
= 0; i
< 5; i
++)
2538 FlashWindow (hwnd
, TRUE
);
2541 FlashWindow (hwnd
, FALSE
);
2544 w32_sys_ring_bell ();
2550 /* Specify how many text lines, from the top of the window,
2551 should be affected by insert-lines and delete-lines operations.
2552 This, and those operations, are used only within an update
2553 that is bounded by calls to x_update_begin and x_update_end. */
2556 w32_set_terminal_window (n
)
2559 /* This function intentionally left blank. */
2563 /***********************************************************************
2565 ***********************************************************************/
2567 /* Perform an insert-lines or delete-lines operation, inserting N
2568 lines or deleting -N lines at vertical position VPOS. */
2571 x_ins_del_lines (vpos
, n
)
2579 f
= SELECTED_FRAME ();
2581 if (! FRAME_W32_P (f
))
2588 /* Scroll part of the display as described by RUN. */
2591 x_scroll_run (w
, run
)
2595 struct frame
*f
= XFRAME (w
->frame
);
2596 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2597 HWND hwnd
= FRAME_W32_WINDOW (f
);
2600 /* Get frame-relative bounding box of the text display area of W,
2601 without mode lines. Include in this box the left and right
2603 window_box (w
, -1, &x
, &y
, &width
, &height
);
2604 width
+= FRAME_X_FRINGE_WIDTH (f
);
2605 x
-= FRAME_X_LEFT_FRINGE_WIDTH (f
);
2607 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2608 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2609 bottom_y
= y
+ height
;
2613 /* Scrolling up. Make sure we don't copy part of the mode
2614 line at the bottom. */
2615 if (from_y
+ run
->height
> bottom_y
)
2616 height
= bottom_y
- from_y
;
2618 height
= run
->height
;
2619 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2623 /* Scolling down. Make sure we don't copy over the mode line.
2625 if (to_y
+ run
->height
> bottom_y
)
2626 height
= bottom_y
- to_y
;
2628 height
= run
->height
;
2629 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2634 /* Cursor off. Will be switched on again in x_update_window_end. */
2641 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2642 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2644 from
.left
= to
.left
= x
;
2645 from
.right
= to
.right
= x
+ width
;
2647 from
.bottom
= from_y
+ height
;
2649 to
.bottom
= bottom_y
;
2651 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2652 NULL
, SW_INVALIDATE
);
2654 /* Combine this with what we expect to be dirty. This covers the
2655 case where not all of the region we expect is actually dirty. */
2656 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2658 /* If the dirty region is not what we expected, redraw the entire frame. */
2659 if (!EqualRgn (combined
, expect_dirty
))
2660 SET_FRAME_GARBAGED (f
);
2668 /***********************************************************************
2670 ***********************************************************************/
2676 x_update_cursor (f
, 1);
2680 frame_unhighlight (f
)
2683 x_update_cursor (f
, 1);
2686 /* The focus has changed. Update the frames as necessary to reflect
2687 the new situation. Note that we can't change the selected frame
2688 here, because the Lisp code we are interrupting might become confused.
2689 Each event gets marked with the frame in which it occurred, so the
2690 Lisp code can tell when the switch took place by examining the events. */
2693 x_new_focus_frame (dpyinfo
, frame
)
2694 struct w32_display_info
*dpyinfo
;
2695 struct frame
*frame
;
2697 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2699 if (frame
!= dpyinfo
->w32_focus_frame
)
2701 /* Set this before calling other routines, so that they see
2702 the correct value of w32_focus_frame. */
2703 dpyinfo
->w32_focus_frame
= frame
;
2705 if (old_focus
&& old_focus
->auto_lower
)
2706 x_lower_frame (old_focus
);
2716 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2717 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2719 pending_autoraise_frame
= 0;
2722 x_frame_rehighlight (dpyinfo
);
2725 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2728 x_mouse_leave (dpyinfo
)
2729 struct w32_display_info
*dpyinfo
;
2731 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2734 /* The focus has changed, or we have redirected a frame's focus to
2735 another frame (this happens when a frame uses a surrogate
2736 mini-buffer frame). Shift the highlight as appropriate.
2738 The FRAME argument doesn't necessarily have anything to do with which
2739 frame is being highlighted or un-highlighted; we only use it to find
2740 the appropriate X display info. */
2743 w32_frame_rehighlight (frame
)
2744 struct frame
*frame
;
2746 if (! FRAME_W32_P (frame
))
2748 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2752 x_frame_rehighlight (dpyinfo
)
2753 struct w32_display_info
*dpyinfo
;
2755 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2757 if (dpyinfo
->w32_focus_frame
)
2759 dpyinfo
->x_highlight_frame
2760 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2761 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2762 : dpyinfo
->w32_focus_frame
);
2763 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2765 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2766 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2770 dpyinfo
->x_highlight_frame
= 0;
2772 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2775 frame_unhighlight (old_highlight
);
2776 if (dpyinfo
->x_highlight_frame
)
2777 frame_highlight (dpyinfo
->x_highlight_frame
);
2781 /* Keyboard processing - modifier keys, etc. */
2783 /* Convert a keysym to its name. */
2786 x_get_keysym_name (keysym
)
2789 /* Make static so we can always return it */
2790 static char value
[100];
2793 GetKeyNameText (keysym
, value
, 100);
2801 /* Mouse clicks and mouse movement. Rah. */
2803 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2804 the state in PUP. XBUTTON provides extra information for extended mouse
2805 button messages. Returns FALSE if unable to parse the message. */
2807 parse_button (message
, xbutton
, pbutton
, pup
)
2818 case WM_LBUTTONDOWN
:
2826 case WM_MBUTTONDOWN
:
2827 if (NILP (Vw32_swap_mouse_buttons
))
2834 if (NILP (Vw32_swap_mouse_buttons
))
2840 case WM_RBUTTONDOWN
:
2841 if (NILP (Vw32_swap_mouse_buttons
))
2848 if (NILP (Vw32_swap_mouse_buttons
))
2854 case WM_XBUTTONDOWN
:
2855 button
= xbutton
+ 2;
2859 button
= xbutton
+ 2;
2867 if (pbutton
) *pbutton
= button
;
2873 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2875 If the event is a button press, then note that we have grabbed
2879 construct_mouse_click (result
, msg
, f
)
2880 struct input_event
*result
;
2887 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2890 /* Make the event type NO_EVENT; we'll change that when we decide
2892 result
->kind
= MOUSE_CLICK_EVENT
;
2893 result
->code
= button
;
2894 result
->timestamp
= msg
->msg
.time
;
2895 result
->modifiers
= (msg
->dwModifiers
2900 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2901 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2902 XSETFRAME (result
->frame_or_window
, f
);
2908 construct_mouse_wheel (result
, msg
, f
)
2909 struct input_event
*result
;
2914 result
->kind
= MOUSE_WHEEL_EVENT
;
2915 result
->code
= (short) HIWORD (msg
->msg
.wParam
);
2916 result
->timestamp
= msg
->msg
.time
;
2917 result
->modifiers
= msg
->dwModifiers
;
2918 p
.x
= LOWORD (msg
->msg
.lParam
);
2919 p
.y
= HIWORD (msg
->msg
.lParam
);
2920 ScreenToClient (msg
->msg
.hwnd
, &p
);
2921 XSETINT (result
->x
, p
.x
);
2922 XSETINT (result
->y
, p
.y
);
2923 XSETFRAME (result
->frame_or_window
, f
);
2929 construct_drag_n_drop (result
, msg
, f
)
2930 struct input_event
*result
;
2942 result
->kind
= DRAG_N_DROP_EVENT
;
2944 result
->timestamp
= msg
->msg
.time
;
2945 result
->modifiers
= msg
->dwModifiers
;
2947 hdrop
= (HDROP
) msg
->msg
.wParam
;
2948 DragQueryPoint (hdrop
, &p
);
2951 p
.x
= LOWORD (msg
->msg
.lParam
);
2952 p
.y
= HIWORD (msg
->msg
.lParam
);
2953 ScreenToClient (msg
->msg
.hwnd
, &p
);
2956 XSETINT (result
->x
, p
.x
);
2957 XSETINT (result
->y
, p
.y
);
2959 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
2962 for (i
= 0; i
< num_files
; i
++)
2964 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
2967 name
= alloca (len
+ 1);
2968 DragQueryFile (hdrop
, i
, name
, len
+ 1);
2969 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
2974 XSETFRAME (frame
, f
);
2975 result
->frame_or_window
= Fcons (frame
, files
);
2981 /* Function to report a mouse movement to the mainstream Emacs code.
2982 The input handler calls this.
2984 We have received a mouse movement event, which is given in *event.
2985 If the mouse is over a different glyph than it was last time, tell
2986 the mainstream emacs code by setting mouse_moved. If not, ask for
2987 another motion event, so we can check again the next time it moves. */
2989 static MSG last_mouse_motion_event
;
2990 static Lisp_Object last_mouse_motion_frame
;
2992 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
2995 note_mouse_movement (frame
, msg
)
2999 int mouse_x
= LOWORD (msg
->lParam
);
3000 int mouse_y
= HIWORD (msg
->lParam
);
3002 last_mouse_movement_time
= msg
->time
;
3003 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3004 XSETFRAME (last_mouse_motion_frame
, frame
);
3006 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3008 frame
->mouse_moved
= 1;
3009 last_mouse_scroll_bar
= Qnil
;
3010 note_mouse_highlight (frame
, -1, -1);
3013 /* Has the mouse moved off the glyph it was on at the last sighting? */
3014 else if (mouse_x
< last_mouse_glyph
.left
3015 || mouse_x
> last_mouse_glyph
.right
3016 || mouse_y
< last_mouse_glyph
.top
3017 || mouse_y
> last_mouse_glyph
.bottom
)
3019 frame
->mouse_moved
= 1;
3020 last_mouse_scroll_bar
= Qnil
;
3021 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3022 /* Remember the mouse position here, as w32_mouse_position only
3023 gets called when mouse tracking is enabled but we also need
3024 to keep track of the mouse for help_echo and highlighting at
3026 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3031 /************************************************************************
3033 ************************************************************************/
3035 static struct scroll_bar
*x_window_to_scroll_bar ();
3036 static void x_scroll_bar_report_motion ();
3037 static void x_check_fullscreen
P_ ((struct frame
*));
3038 static void x_check_fullscreen_move
P_ ((struct frame
*));
3039 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3043 redo_mouse_highlight ()
3045 if (!NILP (last_mouse_motion_frame
)
3046 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3047 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3048 LOWORD (last_mouse_motion_event
.lParam
),
3049 HIWORD (last_mouse_motion_event
.lParam
));
3053 w32_define_cursor (window
, cursor
)
3057 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3060 /* Try to determine frame pixel position and size of the glyph under
3061 frame pixel coordinates X/Y on frame F . Return the position and
3062 size in *RECT. Value is non-zero if we could compute these
3066 glyph_rect (f
, x
, y
, rect
)
3073 window
= window_from_coordinates (f
, x
, y
, 0, 0);
3076 struct window
*w
= XWINDOW (window
);
3077 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3078 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3080 frame_to_window_pixel_xy (w
, &x
, &y
);
3082 for (; r
< end
&& r
->enabled_p
; ++r
)
3083 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3085 /* Found the row at y. */
3086 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3087 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3090 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3091 rect
->bottom
= rect
->top
+ r
->height
;
3095 /* x is to the left of the first glyph in the row. */
3096 rect
->left
= XINT (w
->left
);
3097 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3101 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3102 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3104 /* x is on a glyph. */
3105 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3106 rect
->right
= rect
->left
+ g
->pixel_width
;
3110 /* x is to the right of the last glyph in the row. */
3111 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3112 rect
->right
= XINT (w
->left
) + XINT (w
->width
);
3117 /* The y is not on any row. */
3121 /* Record the position of the mouse in last_mouse_glyph. */
3123 remember_mouse_glyph (f1
, gx
, gy
)
3127 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3129 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3130 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3132 /* Arrange for the division in PIXEL_TO_CHAR_COL etc. to
3133 round down even for negative values. */
3139 /* This was the original code from XTmouse_position, but it seems
3140 to give the position of the glyph diagonally next to the one
3141 the mouse is over. */
3142 gx
= (gx
+ width
- 1) / width
* width
;
3143 gy
= (gy
+ height
- 1) / height
* height
;
3145 gx
= gx
/ width
* width
;
3146 gy
= gy
/ height
* height
;
3149 last_mouse_glyph
.left
= gx
;
3150 last_mouse_glyph
.top
= gy
;
3151 last_mouse_glyph
.right
= gx
+ width
;
3152 last_mouse_glyph
.bottom
= gy
+ height
;
3156 /* Return the current position of the mouse.
3157 *fp should be a frame which indicates which display to ask about.
3159 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3160 and *part to the frame, window, and scroll bar part that the mouse
3161 is over. Set *x and *y to the portion and whole of the mouse's
3162 position on the scroll bar.
3164 If the mouse movement started elsewhere, set *fp to the frame the
3165 mouse is on, *bar_window to nil, and *x and *y to the character cell
3168 Set *time to the server time-stamp for the time at which the mouse
3169 was at this position.
3171 Don't store anything if we don't have a valid set of values to report.
3173 This clears the mouse_moved flag, so we can wait for the next mouse
3177 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3180 Lisp_Object
*bar_window
;
3181 enum scroll_bar_part
*part
;
3183 unsigned long *time
;
3189 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3190 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3195 Lisp_Object frame
, tail
;
3197 /* Clear the mouse-moved flag for every frame on this display. */
3198 FOR_EACH_FRAME (tail
, frame
)
3199 XFRAME (frame
)->mouse_moved
= 0;
3201 last_mouse_scroll_bar
= Qnil
;
3205 /* Now we have a position on the root; find the innermost window
3206 containing the pointer. */
3208 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3209 && FRAME_LIVE_P (last_mouse_frame
))
3211 /* If mouse was grabbed on a frame, give coords for that frame
3212 even if the mouse is now outside it. */
3213 f1
= last_mouse_frame
;
3217 /* Is window under mouse one of our frames? */
3218 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3219 WindowFromPoint (pt
));
3222 /* If not, is it one of our scroll bars? */
3225 struct scroll_bar
*bar
3226 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3230 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3234 if (f1
== 0 && insist
> 0)
3235 f1
= SELECTED_FRAME ();
3239 /* Ok, we found a frame. Store all the values.
3240 last_mouse_glyph is a rectangle used to reduce the
3241 generation of mouse events. To not miss any motion
3242 events, we must divide the frame into rectangles of the
3243 size of the smallest character that could be displayed
3244 on it, i.e. into the same rectangles that matrices on
3245 the frame are divided into. */
3247 #if OLD_REDISPLAY_CODE
3248 int ignore1
, ignore2
;
3250 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3252 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3254 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3257 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3258 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3266 *time
= last_mouse_movement_time
;
3275 /***********************************************************************
3277 ***********************************************************************/
3279 /* Handle mouse button event on the tool-bar of frame F, at
3280 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3284 w32_handle_tool_bar_click (f
, button_event
)
3286 struct input_event
*button_event
;
3288 int x
= XFASTINT (button_event
->x
);
3289 int y
= XFASTINT (button_event
->y
);
3291 if (button_event
->modifiers
& down_modifier
)
3292 handle_tool_bar_click (f
, x
, y
, 1, 0);
3294 handle_tool_bar_click (f
, x
, y
, 0,
3295 button_event
->modifiers
& ~up_modifier
);
3300 /***********************************************************************
3302 ***********************************************************************/
3304 /* Scroll bar support. */
3306 /* Given a window ID, find the struct scroll_bar which manages it.
3307 This can be called in GC, so we have to make sure to strip off mark
3310 static struct scroll_bar
*
3311 x_window_to_scroll_bar (window_id
)
3316 for (tail
= Vframe_list
;
3317 XGCTYPE (tail
) == Lisp_Cons
;
3320 Lisp_Object frame
, bar
, condemned
;
3322 frame
= XCAR (tail
);
3323 /* All elements of Vframe_list should be frames. */
3324 if (! GC_FRAMEP (frame
))
3327 /* Scan this frame's scroll bar list for a scroll bar with the
3329 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3330 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3331 /* This trick allows us to search both the ordinary and
3332 condemned scroll bar lists with one loop. */
3333 ! GC_NILP (bar
) || (bar
= condemned
,
3336 bar
= XSCROLL_BAR (bar
)->next
)
3337 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3338 return XSCROLL_BAR (bar
);
3346 /* Set the thumb size and position of scroll bar BAR. We are currently
3347 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3350 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3351 struct scroll_bar
*bar
;
3352 int portion
, position
, whole
;
3354 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3355 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3356 int sb_page
, sb_pos
;
3357 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3361 /* Position scroll bar at rock bottom if the bottom of the
3362 buffer is visible. This avoids shinking the thumb away
3363 to nothing if it is held at the bottom of the buffer. */
3364 if (position
+ portion
>= whole
)
3366 sb_page
= range
* (whole
- position
) / whole
3367 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3371 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3372 sb_pos
= position
* range
/ whole
;
3382 if (pfnSetScrollInfo
)
3386 si
.cbSize
= sizeof (si
);
3387 /* Only update page size if currently dragging, to reduce
3390 si
.fMask
= SIF_PAGE
;
3392 si
.fMask
= SIF_PAGE
| SIF_POS
;
3396 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3399 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3405 /************************************************************************
3406 Scroll bars, general
3407 ************************************************************************/
3410 my_create_scrollbar (f
, bar
)
3412 struct scroll_bar
* bar
;
3414 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3415 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3419 /*#define ATTACH_THREADS*/
3422 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3424 #ifndef ATTACH_THREADS
3425 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3426 (WPARAM
) hwnd
, (LPARAM
) how
);
3428 return ShowWindow (hwnd
, how
);
3433 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3434 int x
, int y
, int cx
, int cy
, UINT flags
)
3436 #ifndef ATTACH_THREADS
3438 pos
.hwndInsertAfter
= hwndAfter
;
3444 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3446 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3451 my_set_focus (f
, hwnd
)
3455 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3460 my_set_foreground_window (hwnd
)
3463 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3467 my_destroy_window (f
, hwnd
)
3471 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3475 /* Create a scroll bar and return the scroll bar vector for it. W is
3476 the Emacs window on which to create the scroll bar. TOP, LEFT,
3477 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3480 static struct scroll_bar
*
3481 x_scroll_bar_create (w
, top
, left
, width
, height
)
3483 int top
, left
, width
, height
;
3485 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3487 struct scroll_bar
*bar
3488 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3492 XSETWINDOW (bar
->window
, w
);
3493 XSETINT (bar
->top
, top
);
3494 XSETINT (bar
->left
, left
);
3495 XSETINT (bar
->width
, width
);
3496 XSETINT (bar
->height
, height
);
3497 XSETINT (bar
->start
, 0);
3498 XSETINT (bar
->end
, 0);
3499 bar
->dragging
= Qnil
;
3501 /* Requires geometry to be set before call to create the real window */
3503 hwnd
= my_create_scrollbar (f
, bar
);
3505 if (pfnSetScrollInfo
)
3509 si
.cbSize
= sizeof (si
);
3512 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3513 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3517 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3521 SetScrollRange (hwnd
, SB_CTL
, 0,
3522 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3523 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3526 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3528 /* Add bar to its frame's list of scroll bars. */
3529 bar
->next
= FRAME_SCROLL_BARS (f
);
3531 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3532 if (! NILP (bar
->next
))
3533 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3541 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3545 x_scroll_bar_remove (bar
)
3546 struct scroll_bar
*bar
;
3548 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3552 /* Destroy the window. */
3553 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3555 /* Disassociate this scroll bar from its window. */
3556 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3561 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3562 that we are displaying PORTION characters out of a total of WHOLE
3563 characters, starting at POSITION. If WINDOW has no scroll bar,
3566 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3568 int portion
, whole
, position
;
3570 struct frame
*f
= XFRAME (w
->frame
);
3571 struct scroll_bar
*bar
;
3572 int top
, height
, left
, sb_left
, width
, sb_width
;
3573 int window_x
, window_y
, window_width
, window_height
;
3575 /* Get window dimensions. */
3576 window_box (w
, -1, &window_x
, &window_y
, &window_width
, &window_height
);
3578 width
= FRAME_SCROLL_BAR_COLS (f
) * CANON_X_UNIT (f
);
3579 height
= window_height
;
3581 /* Compute the left edge of the scroll bar area. */
3582 if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f
))
3583 left
= XINT (w
->left
) + XINT (w
->width
) - FRAME_SCROLL_BAR_COLS (f
);
3585 left
= XFASTINT (w
->left
);
3586 left
*= CANON_X_UNIT (f
);
3587 left
+= FRAME_INTERNAL_BORDER_WIDTH (f
);
3589 /* Compute the width of the scroll bar which might be less than
3590 the width of the area reserved for the scroll bar. */
3591 if (FRAME_SCROLL_BAR_PIXEL_WIDTH (f
) > 0)
3592 sb_width
= FRAME_SCROLL_BAR_PIXEL_WIDTH (f
);
3596 /* Compute the left edge of the scroll bar. */
3597 if (FRAME_HAS_VERTICAL_SCROLL_BARS_ON_RIGHT (f
))
3598 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3600 sb_left
= left
+ (width
- sb_width
) / 2;
3602 /* Does the scroll bar exist yet? */
3603 if (NILP (w
->vertical_scroll_bar
))
3607 if (width
> 0 && height
> 0)
3609 hdc
= get_frame_dc (f
);
3610 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3611 release_frame_dc (f
, hdc
);
3615 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3619 /* It may just need to be moved and resized. */
3622 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3623 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3625 /* If already correctly positioned, do nothing. */
3626 if ( XINT (bar
->left
) == sb_left
3627 && XINT (bar
->top
) == top
3628 && XINT (bar
->width
) == sb_width
3629 && XINT (bar
->height
) == height
)
3631 /* Redraw after clear_frame. */
3632 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3633 InvalidateRect (hwnd
, NULL
, FALSE
);
3639 if (width
&& height
)
3641 hdc
= get_frame_dc (f
);
3642 /* Since Windows scroll bars are smaller than the space reserved
3643 for them on the frame, we have to clear "under" them. */
3644 w32_clear_area (f
, hdc
,
3649 release_frame_dc (f
, hdc
);
3651 /* Make sure scroll bar is "visible" before moving, to ensure the
3652 area of the parent window now exposed will be refreshed. */
3653 my_show_window (f
, hwnd
, SW_HIDE
);
3654 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3655 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3656 max (height
, 1), TRUE
);
3657 if (pfnSetScrollInfo
)
3661 si
.cbSize
= sizeof (si
);
3662 si
.fMask
= SIF_RANGE
;
3664 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3665 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3667 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3670 SetScrollRange (hwnd
, SB_CTL
, 0,
3671 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3672 my_show_window (f
, hwnd
, SW_NORMAL
);
3673 /* InvalidateRect (w, NULL, FALSE); */
3675 /* Remember new settings. */
3676 XSETINT (bar
->left
, sb_left
);
3677 XSETINT (bar
->top
, top
);
3678 XSETINT (bar
->width
, sb_width
);
3679 XSETINT (bar
->height
, height
);
3684 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3686 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3690 /* The following three hooks are used when we're doing a thorough
3691 redisplay of the frame. We don't explicitly know which scroll bars
3692 are going to be deleted, because keeping track of when windows go
3693 away is a real pain - "Can you say set-window-configuration, boys
3694 and girls?" Instead, we just assert at the beginning of redisplay
3695 that *all* scroll bars are to be removed, and then save a scroll bar
3696 from the fiery pit when we actually redisplay its window. */
3698 /* Arrange for all scroll bars on FRAME to be removed at the next call
3699 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3700 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3703 w32_condemn_scroll_bars (frame
)
3706 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3707 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3710 bar
= FRAME_SCROLL_BARS (frame
);
3711 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3712 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3713 XSCROLL_BAR (bar
)->prev
= Qnil
;
3714 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3715 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3716 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3721 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3722 Note that WINDOW isn't necessarily condemned at all. */
3725 w32_redeem_scroll_bar (window
)
3726 struct window
*window
;
3728 struct scroll_bar
*bar
;
3731 /* We can't redeem this window's scroll bar if it doesn't have one. */
3732 if (NILP (window
->vertical_scroll_bar
))
3735 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3737 /* Unlink it from the condemned list. */
3738 f
= XFRAME (WINDOW_FRAME (window
));
3739 if (NILP (bar
->prev
))
3741 /* If the prev pointer is nil, it must be the first in one of
3743 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3744 /* It's not condemned. Everything's fine. */
3746 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3747 window
->vertical_scroll_bar
))
3748 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3750 /* If its prev pointer is nil, it must be at the front of
3751 one or the other! */
3755 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3757 if (! NILP (bar
->next
))
3758 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3760 bar
->next
= FRAME_SCROLL_BARS (f
);
3762 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3763 if (! NILP (bar
->next
))
3764 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3767 /* Remove all scroll bars on FRAME that haven't been saved since the
3768 last call to `*condemn_scroll_bars_hook'. */
3771 w32_judge_scroll_bars (f
)
3774 Lisp_Object bar
, next
;
3776 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3778 /* Clear out the condemned list now so we won't try to process any
3779 more events on the hapless scroll bars. */
3780 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3782 for (; ! NILP (bar
); bar
= next
)
3784 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3786 x_scroll_bar_remove (b
);
3789 b
->next
= b
->prev
= Qnil
;
3792 /* Now there should be no references to the condemned scroll bars,
3793 and they should get garbage-collected. */
3796 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3797 is set to something other than NO_EVENT, it is enqueued.
3799 This may be called from a signal handler, so we have to ignore GC
3803 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3804 struct scroll_bar
*bar
;
3806 struct input_event
*emacs_event
;
3808 if (! GC_WINDOWP (bar
->window
))
3811 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3812 emacs_event
->code
= 0;
3813 /* not really meaningful to distinguish up/down */
3814 emacs_event
->modifiers
= msg
->dwModifiers
;
3815 emacs_event
->frame_or_window
= bar
->window
;
3816 emacs_event
->arg
= Qnil
;
3817 emacs_event
->timestamp
= msg
->msg
.time
;
3820 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3822 int dragging
= !NILP (bar
->dragging
);
3824 if (pfnGetScrollInfo
)
3828 si
.cbSize
= sizeof (si
);
3831 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3835 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3837 bar
->dragging
= Qnil
;
3840 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3842 switch (LOWORD (msg
->msg
.wParam
))
3845 emacs_event
->part
= scroll_bar_down_arrow
;
3848 emacs_event
->part
= scroll_bar_up_arrow
;
3851 emacs_event
->part
= scroll_bar_above_handle
;
3854 emacs_event
->part
= scroll_bar_below_handle
;
3857 emacs_event
->part
= scroll_bar_handle
;
3861 emacs_event
->part
= scroll_bar_handle
;
3865 case SB_THUMBPOSITION
:
3866 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3867 y
= HIWORD (msg
->msg
.wParam
);
3869 emacs_event
->part
= scroll_bar_handle
;
3871 /* "Silently" update current position. */
3872 if (pfnSetScrollInfo
)
3876 si
.cbSize
= sizeof (si
);
3879 /* Remember apparent position (we actually lag behind the real
3880 position, so don't set that directly. */
3881 last_scroll_bar_drag_pos
= y
;
3883 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3886 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3889 /* If this is the end of a drag sequence, then reset the scroll
3890 handle size to normal and do a final redraw. Otherwise do
3894 if (pfnSetScrollInfo
)
3897 int start
= XINT (bar
->start
);
3898 int end
= XINT (bar
->end
);
3900 si
.cbSize
= sizeof (si
);
3901 si
.fMask
= SIF_PAGE
| SIF_POS
;
3902 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3903 si
.nPos
= last_scroll_bar_drag_pos
;
3904 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3907 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
3911 emacs_event
->kind
= NO_EVENT
;
3915 XSETINT (emacs_event
->x
, y
);
3916 XSETINT (emacs_event
->y
, top_range
);
3922 /* Return information to the user about the current position of the mouse
3923 on the scroll bar. */
3926 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
3928 Lisp_Object
*bar_window
;
3929 enum scroll_bar_part
*part
;
3931 unsigned long *time
;
3933 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3934 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3935 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3937 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3942 *bar_window
= bar
->window
;
3944 if (pfnGetScrollInfo
)
3948 si
.cbSize
= sizeof (si
);
3949 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3951 pfnGetScrollInfo (w
, SB_CTL
, &si
);
3953 top_range
= si
.nMax
- si
.nPage
+ 1;
3956 pos
= GetScrollPos (w
, SB_CTL
);
3958 switch (LOWORD (last_mouse_scroll_bar_pos
))
3960 case SB_THUMBPOSITION
:
3962 *part
= scroll_bar_handle
;
3963 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3964 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3967 *part
= scroll_bar_handle
;
3971 *part
= scroll_bar_handle
;
3976 XSETINT (*y
, top_range
);
3979 last_mouse_scroll_bar
= Qnil
;
3981 *time
= last_mouse_movement_time
;
3987 /* The screen has been cleared so we may have changed foreground or
3988 background colors, and the scroll bars may need to be redrawn.
3989 Clear out the scroll bars, and ask for expose events, so we can
3993 x_scroll_bar_clear (f
)
3998 /* We can have scroll bars even if this is 0,
3999 if we just turned off scroll bar mode.
4000 But in that case we should not clear them. */
4001 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4002 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4003 bar
= XSCROLL_BAR (bar
)->next
)
4005 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4006 HDC hdc
= GetDC (window
);
4009 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4010 arranges to refresh the scroll bar if hidden. */
4011 my_show_window (f
, window
, SW_HIDE
);
4013 GetClientRect (window
, &rect
);
4014 select_palette (f
, hdc
);
4015 w32_clear_rect (f
, hdc
, &rect
);
4016 deselect_palette (f
, hdc
);
4018 ReleaseDC (window
, hdc
);
4023 /* The main W32 event-reading loop - w32_read_socket. */
4025 /* Record the last 100 characters stored
4026 to help debug the loss-of-chars-during-GC problem. */
4028 static int temp_index
;
4029 static short temp_buffer
[100];
4032 /* Read events coming from the W32 shell.
4033 This routine is called by the SIGIO handler.
4034 We return as soon as there are no more events to be read.
4036 Events representing keys are stored in buffer BUFP,
4037 which can hold up to NUMCHARS characters.
4038 We return the number of characters stored into the buffer,
4039 thus pretending to be `read'.
4041 EXPECTED is nonzero if the caller knows input is available.
4043 Some of these messages are reposted back to the message queue since the
4044 system calls the windows proc directly in a context where we cannot return
4045 the data nor can we guarantee the state we are in. So if we dispatch them
4046 we will get into an infinite loop. To prevent this from ever happening we
4047 will set a variable to indicate we are in the read_socket call and indicate
4048 which message we are processing since the windows proc gets called
4049 recursively with different messages by the system.
4053 w32_read_socket (sd
, bufp
, numchars
, expected
)
4055 /* register */ struct input_event
*bufp
;
4056 /* register */ int numchars
;
4060 int check_visibility
= 0;
4063 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4065 if (interrupt_input_blocked
)
4067 interrupt_input_pending
= 1;
4071 interrupt_input_pending
= 0;
4074 /* So people can tell when we have read the available input. */
4075 input_signal_count
++;
4078 abort (); /* Don't think this happens. */
4080 /* TODO: tool-bars, ghostscript integration, mouse
4082 while (get_next_msg (&msg
, FALSE
))
4084 switch (msg
.msg
.message
)
4087 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4091 if (msg
.rect
.right
== msg
.rect
.left
||
4092 msg
.rect
.bottom
== msg
.rect
.top
)
4094 /* We may get paint messages even though the client
4095 area is clipped - these are not expose events. */
4096 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4099 else if (f
->async_visible
!= 1)
4101 /* Definitely not obscured, so mark as visible. */
4102 f
->async_visible
= 1;
4103 f
->async_iconified
= 0;
4104 SET_FRAME_GARBAGED (f
);
4105 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4108 /* WM_PAINT serves as MapNotify as well, so report
4109 visibility changes properly. */
4112 bufp
->kind
= DEICONIFY_EVENT
;
4113 XSETFRAME (bufp
->frame_or_window
, f
);
4119 else if (! NILP (Vframe_list
)
4120 && ! NILP (XCDR (Vframe_list
)))
4121 /* Force a redisplay sooner or later to update the
4122 frame titles in case this is the second frame. */
4123 record_asynch_buffer_change ();
4127 HDC hdc
= get_frame_dc (f
);
4129 /* Erase background again for safety. */
4130 w32_clear_rect (f
, hdc
, &msg
.rect
);
4131 release_frame_dc (f
, hdc
);
4135 msg
.rect
.right
- msg
.rect
.left
,
4136 msg
.rect
.bottom
- msg
.rect
.top
);
4141 case WM_INPUTLANGCHANGE
:
4142 /* Generate a language change event. */
4143 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4150 bufp
->kind
= LANGUAGE_CHANGE_EVENT
;
4151 XSETFRAME (bufp
->frame_or_window
, f
);
4153 bufp
->code
= msg
.msg
.wParam
;
4154 bufp
->modifiers
= msg
.msg
.lParam
& 0xffff;
4163 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4165 if (f
&& !f
->iconified
)
4167 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4169 dpyinfo
->mouse_face_hidden
= 1;
4170 clear_mouse_face (dpyinfo
);
4173 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4175 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4176 bufp
->kind
= NON_ASCII_KEYSTROKE_EVENT
;
4177 bufp
->code
= msg
.msg
.wParam
;
4178 bufp
->modifiers
= msg
.dwModifiers
;
4179 XSETFRAME (bufp
->frame_or_window
, f
);
4181 bufp
->timestamp
= msg
.msg
.time
;
4190 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4192 if (f
&& !f
->iconified
)
4194 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4196 dpyinfo
->mouse_face_hidden
= 1;
4197 clear_mouse_face (dpyinfo
);
4200 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4202 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4203 bufp
->kind
= ASCII_KEYSTROKE_EVENT
;
4204 bufp
->code
= msg
.msg
.wParam
;
4205 bufp
->modifiers
= msg
.dwModifiers
;
4206 XSETFRAME (bufp
->frame_or_window
, f
);
4208 bufp
->timestamp
= msg
.msg
.time
;
4216 /* Ignore non-movement. */
4218 int x
= LOWORD (msg
.msg
.lParam
);
4219 int y
= HIWORD (msg
.msg
.lParam
);
4220 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4222 last_mousemove_x
= x
;
4223 last_mousemove_y
= y
;
4226 previous_help_echo_string
= help_echo_string
;
4228 if (dpyinfo
->grabbed
&& last_mouse_frame
4229 && FRAME_LIVE_P (last_mouse_frame
))
4230 f
= last_mouse_frame
;
4232 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4234 if (dpyinfo
->mouse_face_hidden
)
4236 dpyinfo
->mouse_face_hidden
= 0;
4237 clear_mouse_face (dpyinfo
);
4242 /* Generate SELECT_WINDOW_EVENTs when needed. */
4243 if (mouse_autoselect_window
)
4246 int x
= LOWORD (msg
.msg
.lParam
);
4247 int y
= HIWORD (msg
.msg
.lParam
);
4249 window
= window_from_coordinates (f
, x
, y
, 0, 0);
4251 /* Window will be selected only when it is not
4252 selected now and last mouse movement event was
4253 not in it. Minibuffer window will be selected
4254 iff it is active. */
4256 && !EQ (window
, last_window
)
4257 && !EQ (window
, selected_window
)
4260 bufp
->kind
= SELECT_WINDOW_EVENT
;
4261 bufp
->frame_or_window
= window
;
4263 ++bufp
, ++count
, --numchars
;
4268 note_mouse_movement (f
, &msg
.msg
);
4272 /* If we move outside the frame, then we're
4273 certainly no longer on any text in the frame. */
4274 clear_mouse_face (dpyinfo
);
4277 /* If the contents of the global variable help_echo_string
4278 has changed, generate a HELP_EVENT. */
4279 if (help_echo_string
!= previous_help_echo_string
||
4280 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4285 if (help_echo_string
== Qnil
)
4287 help_echo_object
= help_echo_window
= Qnil
;
4292 XSETFRAME (frame
, f
);
4296 any_help_event_p
= 1;
4297 n
= gen_help_event (bufp
, numchars
, help_echo_string
, frame
,
4298 help_echo_window
, help_echo_object
,
4300 bufp
+= n
, count
+= n
, numchars
-= n
;
4304 case WM_LBUTTONDOWN
:
4306 case WM_MBUTTONDOWN
:
4308 case WM_RBUTTONDOWN
:
4310 case WM_XBUTTONDOWN
:
4313 /* If we decide we want to generate an event to be seen
4314 by the rest of Emacs, we put it here. */
4315 struct input_event emacs_event
;
4320 emacs_event
.kind
= NO_EVENT
;
4322 if (dpyinfo
->grabbed
&& last_mouse_frame
4323 && FRAME_LIVE_P (last_mouse_frame
))
4324 f
= last_mouse_frame
;
4326 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4330 construct_mouse_click (&emacs_event
, &msg
, f
);
4332 /* Is this in the tool-bar? */
4333 if (WINDOWP (f
->tool_bar_window
)
4334 && XFASTINT (XWINDOW (f
->tool_bar_window
)->height
))
4337 int x
= XFASTINT (emacs_event
.x
);
4338 int y
= XFASTINT (emacs_event
.y
);
4340 window
= window_from_coordinates (f
, x
, y
, 0, 1);
4342 if (EQ (window
, f
->tool_bar_window
))
4344 w32_handle_tool_bar_click (f
, &emacs_event
);
4350 if (!dpyinfo
->w32_focus_frame
4351 || f
== dpyinfo
->w32_focus_frame
4354 construct_mouse_click (bufp
, &msg
, f
);
4361 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4366 dpyinfo
->grabbed
&= ~ (1 << button
);
4370 dpyinfo
->grabbed
|= (1 << button
);
4371 last_mouse_frame
= f
;
4372 /* Ignore any mouse motion that happened
4373 before this event; any subsequent mouse-movement
4374 Emacs events should reflect only motion after
4380 last_tool_bar_item
= -1;
4386 if (dpyinfo
->grabbed
&& last_mouse_frame
4387 && FRAME_LIVE_P (last_mouse_frame
))
4388 f
= last_mouse_frame
;
4390 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4394 if ((!dpyinfo
->w32_focus_frame
4395 || f
== dpyinfo
->w32_focus_frame
)
4398 construct_mouse_wheel (bufp
, &msg
, f
);
4407 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4411 construct_drag_n_drop (bufp
, &msg
, f
);
4420 struct scroll_bar
*bar
=
4421 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4423 if (bar
&& numchars
>= 1)
4425 if (w32_scroll_bar_handle_click (bar
, &msg
, bufp
))
4435 case WM_WINDOWPOSCHANGED
:
4436 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4439 x_check_fullscreen_move(f
);
4440 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_WAIT
)
4441 f
->output_data
.w32
->want_fullscreen
&=
4442 ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4444 check_visibility
= 1;
4448 case WM_ACTIVATEAPP
:
4449 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4451 x_check_fullscreen (f
);
4452 check_visibility
= 1;
4456 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4458 if (f
&& !f
->async_iconified
)
4462 x_real_positions (f
, &x
, &y
);
4463 f
->output_data
.w32
->left_pos
= x
;
4464 f
->output_data
.w32
->top_pos
= y
;
4467 check_visibility
= 1;
4471 /* wParam non-zero means Window is about to be shown, 0 means
4472 about to be hidden. */
4473 /* Redo the mouse-highlight after the tooltip has gone. */
4474 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4477 redo_mouse_highlight ();
4480 /* If window has been obscured or exposed by another window
4481 being maximised or minimised/restored, then recheck
4482 visibility of all frames. Direct changes to our own
4483 windows get handled by WM_SIZE. */
4485 if (msg
.msg
.lParam
!= 0)
4486 check_visibility
= 1;
4489 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4490 f
->async_visible
= msg
.msg
.wParam
;
4494 check_visibility
= 1;
4498 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4500 /* Inform lisp of whether frame has been iconified etc. */
4503 switch (msg
.msg
.wParam
)
4505 case SIZE_MINIMIZED
:
4506 f
->async_visible
= 0;
4507 f
->async_iconified
= 1;
4509 bufp
->kind
= ICONIFY_EVENT
;
4510 XSETFRAME (bufp
->frame_or_window
, f
);
4517 case SIZE_MAXIMIZED
:
4519 f
->async_visible
= 1;
4520 f
->async_iconified
= 0;
4522 /* wait_reading_process_input will notice this and update
4523 the frame's display structures. */
4524 SET_FRAME_GARBAGED (f
);
4530 /* Reset top and left positions of the Window
4531 here since Windows sends a WM_MOVE message
4532 BEFORE telling us the Window is minimized
4533 when the Window is iconified, with 3000,3000
4535 x_real_positions (f
, &x
, &y
);
4536 f
->output_data
.w32
->left_pos
= x
;
4537 f
->output_data
.w32
->top_pos
= y
;
4539 bufp
->kind
= DEICONIFY_EVENT
;
4540 XSETFRAME (bufp
->frame_or_window
, f
);
4546 else if (! NILP (Vframe_list
)
4547 && ! NILP (XCDR (Vframe_list
)))
4548 /* Force a redisplay sooner or later
4549 to update the frame titles
4550 in case this is the second frame. */
4551 record_asynch_buffer_change ();
4556 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4564 GetClientRect (msg
.msg
.hwnd
, &rect
);
4566 height
= rect
.bottom
- rect
.top
;
4567 width
= rect
.right
- rect
.left
;
4569 rows
= PIXEL_TO_CHAR_HEIGHT (f
, height
);
4570 columns
= PIXEL_TO_CHAR_WIDTH (f
, width
);
4572 /* TODO: Clip size to the screen dimensions. */
4574 /* Even if the number of character rows and columns has
4575 not changed, the font size may have changed, so we need
4576 to check the pixel dimensions as well. */
4578 if (columns
!= f
->width
4579 || rows
!= f
->height
4580 || width
!= f
->output_data
.w32
->pixel_width
4581 || height
!= f
->output_data
.w32
->pixel_height
)
4583 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4584 SET_FRAME_GARBAGED (f
);
4585 cancel_mouse_face (f
);
4586 f
->output_data
.w32
->pixel_width
= width
;
4587 f
->output_data
.w32
->pixel_height
= height
;
4588 f
->output_data
.w32
->win_gravity
= NorthWestGravity
;
4592 check_visibility
= 1;
4596 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4599 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4601 /* If we move outside the frame, then we're
4602 certainly no longer on any text in the frame. */
4603 clear_mouse_face (dpyinfo
);
4604 dpyinfo
->mouse_face_mouse_frame
= 0;
4607 /* Generate a nil HELP_EVENT to cancel a help-echo.
4608 Do it only if there's something to cancel.
4609 Otherwise, the startup message is cleared when
4610 the mouse leaves the frame. */
4611 if (any_help_event_p
)
4616 XSETFRAME (frame
, f
);
4617 help_echo_string
= Qnil
;
4618 n
= gen_help_event (bufp
, numchars
,
4619 Qnil
, frame
, Qnil
, Qnil
, 0);
4620 bufp
+= n
, count
+= n
, numchars
-= n
;
4626 /* TODO: Port this change:
4627 2002-06-28 Jan D. <jan.h.d@swipnet.se>
4628 * xterm.h (struct x_output): Add focus_state.
4629 * xterm.c (x_focus_changed): New function.
4630 (x_detect_focus_change): New function.
4631 (XTread_socket): Call x_detect_focus_change for FocusIn/FocusOut
4632 EnterNotify and LeaveNotify to track X focus changes.
4634 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4636 dpyinfo
->w32_focus_event_frame
= f
;
4639 x_new_focus_frame (dpyinfo
, f
);
4642 dpyinfo
->grabbed
= 0;
4643 check_visibility
= 1;
4647 /* TODO: some of this belongs in MOUSE_LEAVE */
4648 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4652 if (f
== dpyinfo
->w32_focus_event_frame
)
4653 dpyinfo
->w32_focus_event_frame
= 0;
4655 if (f
== dpyinfo
->w32_focus_frame
)
4656 x_new_focus_frame (dpyinfo
, 0);
4658 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4660 /* If we move outside the frame, then we're
4661 certainly no longer on any text in the frame. */
4662 clear_mouse_face (dpyinfo
);
4663 dpyinfo
->mouse_face_mouse_frame
= 0;
4666 /* Generate a nil HELP_EVENT to cancel a help-echo.
4667 Do it only if there's something to cancel.
4668 Otherwise, the startup message is cleared when
4669 the mouse leaves the frame. */
4670 if (any_help_event_p
)
4675 XSETFRAME (frame
, f
);
4676 help_echo_string
= Qnil
;
4677 n
= gen_help_event (bufp
, numchars
,
4678 Qnil
, frame
, Qnil
, Qnil
, 0);
4679 bufp
+= n
, count
+= n
, numchars
-=n
;
4683 dpyinfo
->grabbed
= 0;
4684 check_visibility
= 1;
4688 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4695 bufp
->kind
= DELETE_WINDOW_EVENT
;
4696 XSETFRAME (bufp
->frame_or_window
, f
);
4705 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4712 bufp
->kind
= MENU_BAR_ACTIVATE_EVENT
;
4713 XSETFRAME (bufp
->frame_or_window
, f
);
4722 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4726 extern void menubar_selection_callback
4727 (FRAME_PTR f
, void * client_data
);
4728 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4731 check_visibility
= 1;
4734 case WM_DISPLAYCHANGE
:
4735 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4739 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4740 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4741 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4742 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4746 check_visibility
= 1;
4750 /* Check for messages registered at runtime. */
4751 if (msg
.msg
.message
== msh_mousewheel
)
4753 if (dpyinfo
->grabbed
&& last_mouse_frame
4754 && FRAME_LIVE_P (last_mouse_frame
))
4755 f
= last_mouse_frame
;
4757 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4761 if ((!dpyinfo
->w32_focus_frame
4762 || f
== dpyinfo
->w32_focus_frame
)
4765 construct_mouse_wheel (bufp
, &msg
, f
);
4776 /* If the focus was just given to an autoraising frame,
4778 /* ??? This ought to be able to handle more than one such frame. */
4779 if (pending_autoraise_frame
)
4781 x_raise_frame (pending_autoraise_frame
);
4782 pending_autoraise_frame
= 0;
4785 /* Check which frames are still visisble, if we have enqueued any user
4786 events or been notified of events that may affect visibility. We
4787 do this here because there doesn't seem to be any direct
4788 notification from Windows that the visibility of a window has
4789 changed (at least, not in all cases). */
4790 if (count
> 0 || check_visibility
)
4792 Lisp_Object tail
, frame
;
4794 FOR_EACH_FRAME (tail
, frame
)
4796 FRAME_PTR f
= XFRAME (frame
);
4797 /* The tooltip has been drawn already. Avoid the
4798 SET_FRAME_GARBAGED below. */
4799 if (EQ (frame
, tip_frame
))
4802 /* Check "visible" frames and mark each as obscured or not.
4803 Note that async_visible is nonzero for unobscured and
4804 obscured frames, but zero for hidden and iconified frames. */
4805 if (FRAME_W32_P (f
) && f
->async_visible
)
4811 /* Query clipping rectangle for the entire window area
4812 (GetWindowDC), not just the client portion (GetDC).
4813 Otherwise, the scrollbars and menubar aren't counted as
4814 part of the visible area of the frame, and we may think
4815 the frame is obscured when really a scrollbar is still
4816 visible and gets WM_PAINT messages above. */
4817 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4818 GetClipBox (hdc
, &clipbox
);
4819 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4822 if (clipbox
.right
== clipbox
.left
4823 || clipbox
.bottom
== clipbox
.top
)
4825 /* Frame has become completely obscured so mark as
4826 such (we do this by setting async_visible to 2 so
4827 that FRAME_VISIBLE_P is still true, but redisplay
4829 f
->async_visible
= 2;
4831 if (!FRAME_OBSCURED_P (f
))
4833 DebPrint (("frame %p (%s) obscured\n", f
,
4839 /* Frame is not obscured, so mark it as such. */
4840 f
->async_visible
= 1;
4842 if (FRAME_OBSCURED_P (f
))
4844 SET_FRAME_GARBAGED (f
);
4845 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4848 /* Force a redisplay sooner or later. */
4849 record_asynch_buffer_change ();
4863 /***********************************************************************
4865 ***********************************************************************/
4867 /* Set clipping for output in glyph row ROW. W is the window in which
4868 we operate. GC is the graphics context to set clipping in.
4869 WHOLE_LINE_P non-zero means include the areas used for truncation
4870 mark display and alike in the clipping rectangle.
4872 ROW may be a text row or, e.g., a mode line. Text rows must be
4873 clipped to the interior of the window dedicated to text display,
4874 mode lines must be clipped to the whole window. */
4877 w32_clip_to_row (w
, row
, hdc
, whole_line_p
)
4879 struct glyph_row
*row
;
4883 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4885 int window_x
, window_y
, window_width
, window_height
;
4887 window_box (w
, -1, &window_x
, &window_y
, &window_width
, &window_height
);
4889 clip_rect
.left
= WINDOW_TO_FRAME_PIXEL_X (w
, 0);
4890 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4891 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4892 clip_rect
.right
= clip_rect
.left
+ window_width
;
4893 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4895 /* If clipping to the whole line, including trunc marks, extend
4896 the rectangle to the left and increase its width. */
4899 clip_rect
.left
-= FRAME_X_LEFT_FRINGE_WIDTH (f
);
4900 clip_rect
.right
+= FRAME_X_FRINGE_WIDTH (f
);
4903 w32_set_clip_rectangle (hdc
, &clip_rect
);
4907 /* Draw a hollow box cursor on window W in glyph row ROW. */
4910 x_draw_hollow_cursor (w
, row
)
4912 struct glyph_row
*row
;
4914 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4918 struct glyph
*cursor_glyph
;
4919 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4921 /* Compute frame-relative coordinates from window-relative
4923 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4924 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
4925 + row
->ascent
- w
->phys_cursor_ascent
);
4926 rect
.bottom
= rect
.top
+ row
->height
;
4928 /* Get the glyph the cursor is on. If we can't tell because
4929 the current matrix is invalid or such, give up. */
4930 cursor_glyph
= get_phys_cursor_glyph (w
);
4931 if (cursor_glyph
== NULL
)
4934 /* Compute the width of the rectangle to draw. If on a stretch
4935 glyph, and `x-stretch-block-cursor' is nil, don't draw a
4936 rectangle as wide as the glyph, but use a canonical character
4938 wd
= cursor_glyph
->pixel_width
;
4939 if (cursor_glyph
->type
== STRETCH_GLYPH
4940 && !x_stretch_cursor_p
)
4941 wd
= min (CANON_X_UNIT (f
), wd
);
4942 w
->phys_cursor_width
= wd
;
4944 rect
.right
= rect
.left
+ wd
;
4945 hdc
= get_frame_dc (f
);
4946 /* Set clipping, draw the rectangle, and reset clipping again. */
4947 w32_clip_to_row (w
, row
, hdc
, 0);
4948 FrameRect (hdc
, &rect
, hb
);
4950 w32_set_clip_rectangle (hdc
, NULL
);
4951 release_frame_dc (f
, hdc
);
4955 /* Draw a bar cursor on window W in glyph row ROW.
4957 Implementation note: One would like to draw a bar cursor with an
4958 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4959 Unfortunately, I didn't find a font yet that has this property set.
4963 x_draw_bar_cursor (w
, row
, width
, kind
)
4965 struct glyph_row
*row
;
4967 enum text_cursor_kinds kind
;
4969 struct frame
*f
= XFRAME (w
->frame
);
4970 struct glyph
*cursor_glyph
;
4974 /* If cursor is out of bounds, don't draw garbage. This can happen
4975 in mini-buffer windows when switching between echo area glyphs
4977 cursor_glyph
= get_phys_cursor_glyph (w
);
4978 if (cursor_glyph
== NULL
)
4981 /* If on an image, draw like a normal cursor. That's usually better
4982 visible than drawing a bar, esp. if the image is large so that
4983 the bar might not be in the window. */
4984 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4986 struct glyph_row
*row
;
4987 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4988 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4992 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4993 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4995 /* If the glyph's background equals the color we normally draw
4996 the bar cursor in, the bar cursor in its normal color is
4997 invisible. Use the glyph's foreground color instead in this
4998 case, on the assumption that the glyph's colors are chosen so
4999 that the glyph is legible. */
5000 if (face
->background
== cursor_color
)
5001 cursor_color
= face
->foreground
;
5003 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5006 width
= FRAME_CURSOR_WIDTH (f
);
5007 width
= min (cursor_glyph
->pixel_width
, width
);
5009 w
->phys_cursor_width
= width
;
5012 hdc
= get_frame_dc (f
);
5013 w32_clip_to_row (w
, row
, hdc
, 0);
5015 if (kind
== BAR_CURSOR
)
5017 w32_fill_area (f
, hdc
, cursor_color
, x
,
5018 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5019 width
, row
->height
);
5023 w32_fill_area (f
, hdc
, cursor_color
, x
,
5024 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5025 row
->height
- width
),
5026 cursor_glyph
->pixel_width
, width
);
5029 w32_set_clip_rectangle (hdc
, NULL
);
5030 release_frame_dc (f
, hdc
);
5035 /* RIF: Define cursor CURSOR on frame F. */
5038 w32_define_frame_cursor (f
, cursor
)
5042 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5046 /* RIF: Clear area on frame F. */
5049 w32_clear_frame_area (f
, x
, y
, width
, height
)
5051 int x
, y
, width
, height
;
5055 hdc
= get_frame_dc (f
);
5056 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5057 release_frame_dc (f
, hdc
);
5060 /* RIF: Draw or clear cursor on window W. */
5063 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5065 struct glyph_row
*glyph_row
;
5067 int cursor_type
, cursor_width
;
5072 /* If the user wants to use the system caret, make sure our own
5073 cursor remains invisible. */
5074 if (w32_use_visible_system_caret
)
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 switch (cursor_type
)
5117 case HOLLOW_BOX_CURSOR
:
5118 x_draw_hollow_cursor (w
, glyph_row
);
5121 case FILLED_BOX_CURSOR
:
5122 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5126 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5130 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5134 w
->phys_cursor_width
= 0;
5148 x_bitmap_icon (f
, icon
)
5154 if (FRAME_W32_WINDOW (f
) == 0)
5158 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5159 else if (STRINGP (icon
))
5160 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5161 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5162 else if (SYMBOLP (icon
))
5166 if (EQ (icon
, intern ("application")))
5167 name
= (LPCTSTR
) IDI_APPLICATION
;
5168 else if (EQ (icon
, intern ("hand")))
5169 name
= (LPCTSTR
) IDI_HAND
;
5170 else if (EQ (icon
, intern ("question")))
5171 name
= (LPCTSTR
) IDI_QUESTION
;
5172 else if (EQ (icon
, intern ("exclamation")))
5173 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5174 else if (EQ (icon
, intern ("asterisk")))
5175 name
= (LPCTSTR
) IDI_ASTERISK
;
5176 else if (EQ (icon
, intern ("winlogo")))
5177 name
= (LPCTSTR
) IDI_WINLOGO
;
5181 hicon
= LoadIcon (NULL
, name
);
5189 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5196 /************************************************************************
5198 ************************************************************************/
5200 /* Display Error Handling functions not used on W32. Listing them here
5201 helps diff stay in step when comparing w32term.c with xterm.c.
5203 x_error_catcher (display, error)
5204 x_catch_errors (dpy)
5205 x_catch_errors_unwind (old_val)
5206 x_check_errors (dpy, format)
5207 x_had_errors_p (dpy)
5208 x_clear_errors (dpy)
5209 x_uncatch_errors (dpy, count)
5211 x_connection_signal (signalnum)
5212 x_connection_closed (dpy, error_message)
5213 x_error_quitter (display, error)
5214 x_error_handler (display, error)
5215 x_io_error_quitter (display)
5220 /* Changing the font of the frame. */
5222 /* Give frame F the font named FONTNAME as its default font, and
5223 return the full name of that font. FONTNAME may be a wildcard
5224 pattern; in that case, we choose some font that fits the pattern.
5225 The return value shows which font we chose. */
5228 x_new_font (f
, fontname
)
5230 register char *fontname
;
5232 struct font_info
*fontp
5233 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5238 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5239 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5240 FRAME_FONTSET (f
) = -1;
5242 /* Compute the scroll bar width in character columns. */
5243 if (f
->scroll_bar_pixel_width
> 0)
5245 int wid
= FONT_WIDTH (FRAME_FONT (f
));
5246 f
->scroll_bar_cols
= (f
->scroll_bar_pixel_width
+ wid
-1) / wid
;
5250 int wid
= FONT_WIDTH (FRAME_FONT (f
));
5251 f
->scroll_bar_cols
= (14 + wid
- 1) / wid
;
5254 /* Now make the frame display the given font. */
5255 if (FRAME_W32_WINDOW (f
) != 0)
5257 frame_update_line_height (f
);
5258 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5259 x_set_window_size (f
, 0, f
->width
, f
->height
);
5262 /* If we are setting a new frame's font for the first time,
5263 there are no faces yet, so this font's height is the line height. */
5264 f
->output_data
.w32
->line_height
= FONT_HEIGHT (FRAME_FONT (f
));
5266 return build_string (fontp
->full_name
);
5269 /* Give frame F the fontset named FONTSETNAME as its default font, and
5270 return the full name of that fontset. FONTSETNAME may be a wildcard
5271 pattern; in that case, we choose some fontset that fits the pattern.
5272 The return value shows which fontset we chose. */
5275 x_new_fontset (f
, fontsetname
)
5279 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5285 if (FRAME_FONTSET (f
) == fontset
)
5286 /* This fontset is already set in frame F. There's nothing more
5288 return fontset_name (fontset
);
5290 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5292 if (!STRINGP (result
))
5293 /* Can't load ASCII font. */
5296 /* Since x_new_font doesn't update any fontset information, do it now. */
5297 FRAME_FONTSET(f
) = fontset
;
5299 return build_string (fontsetname
);
5303 /***********************************************************************
5304 TODO: W32 Input Methods
5305 ***********************************************************************/
5306 /* Listing missing functions from xterm.c helps diff stay in step.
5308 xim_destroy_callback (xim, client_data, call_data)
5309 xim_open_dpy (dpyinfo, resource_name)
5311 xim_instantiate_callback (display, client_data, call_data)
5312 xim_initialize (dpyinfo, resource_name)
5313 xim_close_dpy (dpyinfo)
5318 /* Calculate the absolute position in frame F
5319 from its current recorded position values and gravity. */
5322 x_calc_absolute_position (f
)
5326 int flags
= f
->output_data
.w32
->size_hint_flags
;
5330 /* Find the position of the outside upper-left corner of
5331 the inner window, with respect to the outer window.
5332 But do this only if we will need the results. */
5333 if (f
->output_data
.w32
->parent_desc
!= FRAME_W32_DISPLAY_INFO (f
)->root_window
)
5336 MapWindowPoints (FRAME_W32_WINDOW (f
),
5337 f
->output_data
.w32
->parent_desc
,
5344 rt
.left
= rt
.right
= rt
.top
= rt
.bottom
= 0;
5347 AdjustWindowRect(&rt
, f
->output_data
.w32
->dwStyle
,
5348 FRAME_EXTERNAL_MENU_BAR (f
));
5351 pt
.x
+= (rt
.right
- rt
.left
);
5352 pt
.y
+= (rt
.bottom
- rt
.top
);
5355 /* Treat negative positions as relative to the leftmost bottommost
5356 position that fits on the screen. */
5357 if (flags
& XNegative
)
5358 f
->output_data
.w32
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5359 - 2 * f
->output_data
.w32
->border_width
- pt
.x
5361 + f
->output_data
.w32
->left_pos
);
5363 if (flags
& YNegative
)
5364 f
->output_data
.w32
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5365 - 2 * f
->output_data
.w32
->border_width
- pt
.y
5367 + f
->output_data
.w32
->top_pos
);
5368 /* The left_pos and top_pos
5369 are now relative to the top and left screen edges,
5370 so the flags should correspond. */
5371 f
->output_data
.w32
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5374 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5375 to really change the position, and 0 when calling from
5376 x_make_frame_visible (in that case, XOFF and YOFF are the current
5377 position values). It is -1 when calling from x_set_frame_parameters,
5378 which means, do adjust for borders but don't change the gravity. */
5381 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5383 register int xoff
, yoff
;
5386 int modified_top
, modified_left
;
5388 if (change_gravity
> 0)
5390 f
->output_data
.w32
->top_pos
= yoff
;
5391 f
->output_data
.w32
->left_pos
= xoff
;
5392 f
->output_data
.w32
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5394 f
->output_data
.w32
->size_hint_flags
|= XNegative
;
5396 f
->output_data
.w32
->size_hint_flags
|= YNegative
;
5397 f
->output_data
.w32
->win_gravity
= NorthWestGravity
;
5399 x_calc_absolute_position (f
);
5402 x_wm_set_size_hint (f
, (long) 0, 0);
5404 modified_left
= f
->output_data
.w32
->left_pos
;
5405 modified_top
= f
->output_data
.w32
->top_pos
;
5407 my_set_window_pos (FRAME_W32_WINDOW (f
),
5409 modified_left
, modified_top
,
5411 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5416 /* Check if we need to resize the frame due to a fullscreen request.
5417 If so needed, resize the frame. */
5419 x_check_fullscreen (f
)
5422 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_BOTH
)
5424 int width
, height
, ign
;
5426 x_real_positions (f
, &f
->output_data
.w32
->left_pos
,
5427 &f
->output_data
.w32
->top_pos
);
5429 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5431 /* We do not need to move the window, it shall be taken care of
5432 when setting WM manager hints.
5433 If the frame is visible already, the position is checked by
5434 x_check_fullscreen_move. */
5435 if (f
->width
!= width
|| f
->height
!= height
)
5437 change_frame_size (f
, height
, width
, 0, 1, 0);
5438 SET_FRAME_GARBAGED (f
);
5439 cancel_mouse_face (f
);
5441 /* Wait for the change of frame size to occur */
5442 f
->output_data
.w32
->want_fullscreen
|= FULLSCREEN_WAIT
;
5447 /* If frame parameters are set after the frame is mapped, we need to move
5448 the window. This is done in xfns.c.
5449 Some window managers moves the window to the right position, some
5450 moves the outer window manager window to the specified position.
5451 Here we check that we are in the right spot. If not, make a second
5452 move, assuming we are dealing with the second kind of window manager. */
5454 x_check_fullscreen_move (f
)
5457 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_MOVE_WAIT
)
5459 int expect_top
= f
->output_data
.w32
->top_pos
;
5460 int expect_left
= f
->output_data
.w32
->left_pos
;
5462 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_HEIGHT
)
5464 if (f
->output_data
.w32
->want_fullscreen
& FULLSCREEN_WIDTH
)
5467 if (expect_top
!= f
->output_data
.w32
->top_pos
5468 || expect_left
!= f
->output_data
.w32
->left_pos
)
5469 x_set_offset (f
, expect_left
, expect_top
, 1);
5471 /* Just do this once */
5472 f
->output_data
.w32
->want_fullscreen
&= ~FULLSCREEN_MOVE_WAIT
;
5477 /* Call this to change the size of frame F's x-window.
5478 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5479 for this size change and subsequent size changes.
5480 Otherwise we leave the window gravity unchanged. */
5483 x_set_window_size (f
, change_gravity
, cols
, rows
)
5488 int pixelwidth
, pixelheight
;
5492 check_frame_size (f
, &rows
, &cols
);
5493 f
->output_data
.w32
->vertical_scroll_bar_extra
5494 = (!FRAME_HAS_VERTICAL_SCROLL_BARS (f
)
5496 : (FRAME_SCROLL_BAR_COLS (f
) * FONT_WIDTH (f
->output_data
.w32
->font
)));
5498 compute_fringe_widths (f
, 0);
5500 pixelwidth
= CHAR_TO_PIXEL_WIDTH (f
, cols
);
5501 pixelheight
= CHAR_TO_PIXEL_HEIGHT (f
, rows
);
5503 f
->output_data
.w32
->win_gravity
= NorthWestGravity
;
5504 x_wm_set_size_hint (f
, (long) 0, 0);
5509 rect
.left
= rect
.top
= 0;
5510 rect
.right
= pixelwidth
;
5511 rect
.bottom
= pixelheight
;
5513 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5514 FRAME_EXTERNAL_MENU_BAR (f
));
5516 my_set_window_pos (FRAME_W32_WINDOW (f
),
5519 rect
.right
- rect
.left
,
5520 rect
.bottom
- rect
.top
,
5521 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5524 /* Now, strictly speaking, we can't be sure that this is accurate,
5525 but the window manager will get around to dealing with the size
5526 change request eventually, and we'll hear how it went when the
5527 ConfigureNotify event gets here.
5529 We could just not bother storing any of this information here,
5530 and let the ConfigureNotify event set everything up, but that
5531 might be kind of confusing to the Lisp code, since size changes
5532 wouldn't be reported in the frame parameters until some random
5533 point in the future when the ConfigureNotify event arrives.
5535 We pass 1 for DELAY since we can't run Lisp code inside of
5537 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5538 PIXEL_WIDTH (f
) = pixelwidth
;
5539 PIXEL_HEIGHT (f
) = pixelheight
;
5541 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5542 receive in the ConfigureNotify event; if we get what we asked
5543 for, then the event won't cause the screen to become garbaged, so
5544 we have to make sure to do it here. */
5545 SET_FRAME_GARBAGED (f
);
5547 /* If cursor was outside the new size, mark it as off. */
5548 mark_window_cursors_off (XWINDOW (f
->root_window
));
5550 /* Clear out any recollection of where the mouse highlighting was,
5551 since it might be in a place that's outside the new frame size.
5552 Actually checking whether it is outside is a pain in the neck,
5553 so don't try--just let the highlighting be done afresh with new size. */
5554 cancel_mouse_face (f
);
5559 /* Mouse warping. */
5561 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5564 x_set_mouse_position (f
, x
, y
)
5570 pix_x
= CHAR_TO_PIXEL_COL (f
, x
) + FONT_WIDTH (f
->output_data
.w32
->font
) / 2;
5571 pix_y
= CHAR_TO_PIXEL_ROW (f
, y
) + f
->output_data
.w32
->line_height
/ 2;
5573 if (pix_x
< 0) pix_x
= 0;
5574 if (pix_x
> PIXEL_WIDTH (f
)) pix_x
= PIXEL_WIDTH (f
);
5576 if (pix_y
< 0) pix_y
= 0;
5577 if (pix_y
> PIXEL_HEIGHT (f
)) pix_y
= PIXEL_HEIGHT (f
);
5579 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5583 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5592 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5593 pt
.x
= rect
.left
+ pix_x
;
5594 pt
.y
= rect
.top
+ pix_y
;
5595 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5597 SetCursorPos (pt
.x
, pt
.y
);
5603 /* focus shifting, raising and lowering. */
5606 x_focus_on_frame (f
)
5609 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5611 /* Give input focus to frame. */
5614 /* Try not to change its Z-order if possible. */
5615 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5616 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5619 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5629 /* Raise frame F. */
5636 /* Strictly speaking, raise-frame should only change the frame's Z
5637 order, leaving input focus unchanged. This is reasonable behaviour
5638 on X where the usual policy is point-to-focus. However, this
5639 behaviour would be very odd on Windows where the usual policy is
5642 On X, if the mouse happens to be over the raised frame, it gets
5643 input focus anyway (so the window with focus will never be
5644 completely obscured) - if not, then just moving the mouse over it
5645 is sufficient to give it focus. On Windows, the user must actually
5646 click on the frame (preferrably the title bar so as not to move
5647 point), which is more awkward. Also, no other Windows program
5648 raises a window to the top but leaves another window (possibly now
5649 completely obscured) with input focus.
5651 Because there is a system setting on Windows that allows the user
5652 to choose the point to focus policy, we make the strict semantics
5653 optional, but by default we grab focus when raising. */
5655 if (NILP (Vw32_grab_focus_on_raise
))
5657 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5658 not already the foreground application: the frame is raised
5659 above all other frames belonging to us, but not above the
5660 current top window. To achieve that, we have to resort to this
5661 more cumbersome method. */
5663 HDWP handle
= BeginDeferWindowPos (2);
5666 DeferWindowPos (handle
,
5667 FRAME_W32_WINDOW (f
),
5670 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5672 DeferWindowPos (handle
,
5673 GetForegroundWindow (),
5674 FRAME_W32_WINDOW (f
),
5676 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5678 EndDeferWindowPos (handle
);
5683 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5689 /* Lower frame F. */
5695 my_set_window_pos (FRAME_W32_WINDOW (f
),
5698 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5703 w32_frame_raise_lower (f
, raise_flag
)
5707 if (! FRAME_W32_P (f
))
5716 /* Change of visibility. */
5718 /* This tries to wait until the frame is really visible.
5719 However, if the window manager asks the user where to position
5720 the frame, this will return before the user finishes doing that.
5721 The frame will not actually be visible at that time,
5722 but it will become visible later when the window manager
5723 finishes with it. */
5726 x_make_frame_visible (f
)
5733 type
= x_icon_type (f
);
5735 x_bitmap_icon (f
, type
);
5737 if (! FRAME_VISIBLE_P (f
))
5739 /* We test FRAME_GARBAGED_P here to make sure we don't
5740 call x_set_offset a second time
5741 if we get to x_make_frame_visible a second time
5742 before the window gets really visible. */
5743 if (! FRAME_ICONIFIED_P (f
)
5744 && ! f
->output_data
.w32
->asked_for_visible
)
5745 x_set_offset (f
, f
->output_data
.w32
->left_pos
, f
->output_data
.w32
->top_pos
, 0);
5747 f
->output_data
.w32
->asked_for_visible
= 1;
5749 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5750 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5753 /* Synchronize to ensure Emacs knows the frame is visible
5754 before we do anything else. We do this loop with input not blocked
5755 so that incoming events are handled. */
5760 /* This must come after we set COUNT. */
5763 XSETFRAME (frame
, f
);
5765 /* Wait until the frame is visible. Process X events until a
5766 MapNotify event has been seen, or until we think we won't get a
5767 MapNotify at all.. */
5768 for (count
= input_signal_count
+ 10;
5769 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5771 /* Force processing of queued events. */
5772 /* TODO: x_sync equivalent? */
5774 /* Machines that do polling rather than SIGIO have been observed
5775 to go into a busy-wait here. So we'll fake an alarm signal
5776 to let the handler know that there's something to be read.
5777 We used to raise a real alarm, but it seems that the handler
5778 isn't always enabled here. This is probably a bug. */
5779 if (input_polling_used ())
5781 /* It could be confusing if a real alarm arrives while processing
5782 the fake one. Turn it off and let the handler reset it. */
5783 int old_poll_suppress_count
= poll_suppress_count
;
5784 poll_suppress_count
= 1;
5785 poll_for_input_1 ();
5786 poll_suppress_count
= old_poll_suppress_count
;
5789 FRAME_SAMPLE_VISIBILITY (f
);
5793 /* Change from mapped state to withdrawn state. */
5795 /* Make the frame visible (mapped and not iconified). */
5797 x_make_frame_invisible (f
)
5800 /* Don't keep the highlight on an invisible frame. */
5801 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5802 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5806 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5808 /* We can't distinguish this from iconification
5809 just by the event that we get from the server.
5810 So we can't win using the usual strategy of letting
5811 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5812 and synchronize with the server to make sure we agree. */
5814 FRAME_ICONIFIED_P (f
) = 0;
5815 f
->async_visible
= 0;
5816 f
->async_iconified
= 0;
5821 /* Change window state from mapped to iconified. */
5829 /* Don't keep the highlight on an invisible frame. */
5830 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5831 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5833 if (f
->async_iconified
)
5838 type
= x_icon_type (f
);
5840 x_bitmap_icon (f
, type
);
5842 /* Simulate the user minimizing the frame. */
5843 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5849 /* Free X resources of frame F. */
5852 x_free_frame_resources (f
)
5855 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5859 if (FRAME_W32_WINDOW (f
))
5860 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5862 free_frame_menubar (f
);
5864 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5865 unload_color (f
, f
->output_data
.x
->background_pixel
);
5866 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5867 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5868 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5869 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5870 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5871 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5872 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5873 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5875 if (FRAME_FACE_CACHE (f
))
5876 free_frame_faces (f
);
5878 xfree (f
->output_data
.w32
);
5879 f
->output_data
.w32
= NULL
;
5881 if (f
== dpyinfo
->w32_focus_frame
)
5882 dpyinfo
->w32_focus_frame
= 0;
5883 if (f
== dpyinfo
->w32_focus_event_frame
)
5884 dpyinfo
->w32_focus_event_frame
= 0;
5885 if (f
== dpyinfo
->x_highlight_frame
)
5886 dpyinfo
->x_highlight_frame
= 0;
5888 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5890 dpyinfo
->mouse_face_beg_row
5891 = dpyinfo
->mouse_face_beg_col
= -1;
5892 dpyinfo
->mouse_face_end_row
5893 = dpyinfo
->mouse_face_end_col
= -1;
5894 dpyinfo
->mouse_face_window
= Qnil
;
5895 dpyinfo
->mouse_face_deferred_gc
= 0;
5896 dpyinfo
->mouse_face_mouse_frame
= 0;
5903 /* Destroy the window of frame F. */
5905 x_destroy_window (f
)
5908 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5910 x_free_frame_resources (f
);
5912 dpyinfo
->reference_count
--;
5916 /* Setting window manager hints. */
5918 /* Set the normal size hints for the window manager, for frame F.
5919 FLAGS is the flags word to use--or 0 meaning preserve the flags
5920 that the window now has.
5921 If USER_POSITION is nonzero, we set the USPosition
5922 flag (this is useful when FLAGS is 0). */
5924 x_wm_set_size_hint (f
, flags
, user_position
)
5929 Window window
= FRAME_W32_WINDOW (f
);
5933 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FONT_WIDTH (f
->output_data
.w32
->font
));
5934 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, f
->output_data
.w32
->line_height
);
5935 SetWindowLong (window
, WND_BORDER_INDEX
, f
->output_data
.w32
->internal_border_width
);
5936 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->output_data
.w32
->vertical_scroll_bar_extra
);
5941 /* Window manager things */
5942 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5947 Window window
= FRAME_W32_WINDOW (f
);
5949 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5950 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5951 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5953 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5958 /***********************************************************************
5960 ***********************************************************************/
5962 /* The following functions are listed here to help diff stay in step
5963 with xterm.c. See w32fns.c for definitions.
5965 x_get_font_info (f, font_idx)
5966 x_list_fonts (f, pattern, size, maxnames)
5972 /* Check that FONT is valid on frame F. It is if it can be found in F's
5976 x_check_font (f
, font
)
5981 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5983 xassert (font
!= NULL
);
5985 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5986 if (dpyinfo
->font_table
[i
].name
5987 && font
== dpyinfo
->font_table
[i
].font
)
5990 xassert (i
< dpyinfo
->n_fonts
);
5993 #endif /* GLYPH_DEBUG != 0 */
5995 /* Set *W to the minimum width, *H to the minimum font height of FONT.
5996 Note: There are (broken) X fonts out there with invalid XFontStruct
5997 min_bounds contents. For example, handa@etl.go.jp reports that
5998 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
5999 have font->min_bounds.width == 0. */
6002 x_font_min_bounds (font
, w
, h
)
6007 * TODO: Windows does not appear to offer min bound, only
6008 * average and maximum width, and maximum height.
6010 *h
= FONT_HEIGHT (font
);
6011 *w
= FONT_WIDTH (font
);
6015 /* Compute the smallest character width and smallest font height over
6016 all fonts available on frame F. Set the members smallest_char_width
6017 and smallest_font_height in F's x_display_info structure to
6018 the values computed. Value is non-zero if smallest_font_height or
6019 smallest_char_width become smaller than they were before. */
6022 x_compute_min_glyph_bounds (f
)
6026 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6028 int old_width
= dpyinfo
->smallest_char_width
;
6029 int old_height
= dpyinfo
->smallest_font_height
;
6031 dpyinfo
->smallest_font_height
= 100000;
6032 dpyinfo
->smallest_char_width
= 100000;
6034 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6035 if (dpyinfo
->font_table
[i
].name
)
6037 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6040 font
= (XFontStruct
*) fontp
->font
;
6041 xassert (font
!= (XFontStruct
*) ~0);
6042 x_font_min_bounds (font
, &w
, &h
);
6044 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6045 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6048 xassert (dpyinfo
->smallest_char_width
> 0
6049 && dpyinfo
->smallest_font_height
> 0);
6051 return (dpyinfo
->n_fonts
== 1
6052 || dpyinfo
->smallest_char_width
< old_width
6053 || dpyinfo
->smallest_font_height
< old_height
);
6056 /* The following functions are listed here to help diff stay in step
6057 with xterm.c. See w32fns.c for definitions.
6059 x_load_font (f, fontname, size)
6060 x_query_font (f, fontname)
6061 x_find_ccl_program (fontp)
6065 /***********************************************************************
6067 ***********************************************************************/
6069 static int w32_initialized
= 0;
6072 w32_initialize_display_info (display_name
)
6073 Lisp_Object display_name
;
6075 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6077 bzero (dpyinfo
, sizeof (*dpyinfo
));
6079 /* Put it on w32_display_name_list. */
6080 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6081 w32_display_name_list
);
6082 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6084 dpyinfo
->w32_id_name
6085 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6086 + SCHARS (Vsystem_name
)
6088 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6089 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6091 /* Default Console mode values - overridden when running in GUI mode
6092 with values obtained from system metrics. */
6095 dpyinfo
->height_in
= 1;
6096 dpyinfo
->width_in
= 1;
6097 dpyinfo
->n_planes
= 1;
6098 dpyinfo
->n_cbits
= 4;
6099 dpyinfo
->n_fonts
= 0;
6100 dpyinfo
->smallest_font_height
= 1;
6101 dpyinfo
->smallest_char_width
= 1;
6103 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6104 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6105 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6106 dpyinfo
->mouse_face_window
= Qnil
;
6107 dpyinfo
->mouse_face_overlay
= Qnil
;
6108 dpyinfo
->mouse_face_hidden
= 0;
6110 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6111 /* TODO: dpyinfo->gray */
6115 /* Create an xrdb-style database of resources to supercede registry settings.
6116 The database is just a concatenation of C strings, finished by an additional
6117 \0. The string are submitted to some basic normalization, so
6119 [ *]option[ *]:[ *]value...
6125 but any whitespace following value is not removed. */
6128 w32_make_rdb (xrm_option
)
6131 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6132 char *current
= buffer
;
6135 int before_value
= 0;
6149 if (in_option
&& (ch
== ':'))
6154 else if (before_value
)
6159 else if (!(in_option
|| before_value
))
6170 struct w32_display_info
*
6171 w32_term_init (display_name
, xrm_option
, resource_name
)
6172 Lisp_Object display_name
;
6174 char *resource_name
;
6176 struct w32_display_info
*dpyinfo
;
6181 if (!w32_initialized
)
6184 w32_initialized
= 1;
6187 w32_initialize_display_info (display_name
);
6189 dpyinfo
= &one_w32_display_info
;
6191 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6193 /* Put this display on the chain. */
6194 dpyinfo
->next
= x_display_list
;
6195 x_display_list
= dpyinfo
;
6197 hdc
= GetDC (GetDesktopWindow ());
6199 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6200 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6201 dpyinfo
->root_window
= GetDesktopWindow ();
6202 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6203 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6204 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6205 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6206 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6207 dpyinfo
->image_cache
= make_image_cache ();
6208 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6209 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6210 ReleaseDC (GetDesktopWindow (), hdc
);
6212 /* initialise palette with white and black */
6215 w32_defined_color (0, "white", &color
, 1);
6216 w32_defined_color (0, "black", &color
, 1);
6219 /* Create Fringe Bitmaps and store them for later use.
6221 On W32, bitmaps are all unsigned short, as Windows requires
6222 bitmap data to be Word aligned. For some reason they are
6223 horizontally reflected compared to how they appear on X, so we
6224 need to bitswap and convert to unsigned shorts before creating
6229 for (i
= NO_FRINGE_BITMAP
+ 1; i
< MAX_FRINGE_BITMAPS
; i
++)
6231 int h
= fringe_bitmaps
[i
].height
;
6232 int wd
= fringe_bitmaps
[i
].width
;
6233 unsigned short *w32bits
6234 = (unsigned short *)alloca (h
* sizeof (unsigned short));
6235 unsigned short *wb
= w32bits
;
6236 unsigned char *bits
= fringe_bitmaps
[i
].bits
;
6237 for (j
= 0; j
< h
; j
++)
6239 static unsigned char swap_nibble
[16]
6240 = { 0x0, 0x8, 0x4, 0xc, /* 0000 1000 0100 1100 */
6241 0x2, 0xa, 0x6, 0xe, /* 0010 1010 0110 1110 */
6242 0x1, 0x9, 0x5, 0xd, /* 0001 1001 0101 1101 */
6243 0x3, 0xb, 0x7, 0xf }; /* 0011 1011 0111 1111 */
6245 unsigned char b
= *bits
++;
6246 *wb
++ = (unsigned short)((swap_nibble
[b
& 0xf]<<4)
6247 | (swap_nibble
[(b
>>4) & 0xf]));
6249 fringe_bmp
[i
] = CreateBitmap (wd
, h
, 1, 1, w32bits
);
6253 #ifndef F_SETOWN_BUG
6255 #ifdef F_SETOWN_SOCK_NEG
6256 /* stdin is a socket here */
6257 fcntl (connection
, F_SETOWN
, -getpid ());
6258 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6259 fcntl (connection
, F_SETOWN
, getpid ());
6260 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6261 #endif /* ! defined (F_SETOWN) */
6262 #endif /* F_SETOWN_BUG */
6265 if (interrupt_input
)
6266 init_sigio (connection
);
6267 #endif /* ! defined (SIGIO) */
6274 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6277 x_delete_display (dpyinfo
)
6278 struct w32_display_info
*dpyinfo
;
6280 /* Discard this display from w32_display_name_list and w32_display_list.
6281 We can't use Fdelq because that can quit. */
6282 if (! NILP (w32_display_name_list
)
6283 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6284 w32_display_name_list
= XCDR (w32_display_name_list
);
6289 tail
= w32_display_name_list
;
6290 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6292 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6294 XSETCDR (tail
, XCDR (XCDR (tail
)));
6301 /* free palette table */
6303 struct w32_palette_entry
* plist
;
6305 plist
= dpyinfo
->color_list
;
6308 struct w32_palette_entry
* pentry
= plist
;
6309 plist
= plist
->next
;
6312 dpyinfo
->color_list
= NULL
;
6313 if (dpyinfo
->palette
)
6314 DeleteObject(dpyinfo
->palette
);
6316 xfree (dpyinfo
->font_table
);
6317 xfree (dpyinfo
->w32_id_name
);
6319 /* Destroy row bitmaps. */
6323 for (i
= NO_FRINGE_BITMAP
+ 1; i
< MAX_FRINGE_BITMAPS
; i
++)
6324 DeleteObject (fringe_bmp
[i
]);
6328 /* Set up use of W32. */
6330 DWORD
w32_msg_worker ();
6333 x_flush (struct frame
* f
)
6334 { /* Nothing to do */ }
6336 extern frame_parm_handler w32_frame_parm_handlers
[];
6338 static struct redisplay_interface w32_redisplay_interface
=
6340 w32_frame_parm_handlers
,
6344 x_clear_end_of_line
,
6346 x_after_update_window_line
,
6347 x_update_window_begin
,
6348 x_update_window_end
,
6351 0, /* flush_display_optional */
6352 x_clear_window_mouse_face
,
6353 w32_get_glyph_overhangs
,
6354 x_fix_overlapping_area
,
6355 w32_draw_fringe_bitmap
,
6356 w32_per_char_metric
,
6358 NULL
, /* w32_compute_glyph_string_overhangs */
6359 x_draw_glyph_string
,
6360 w32_define_frame_cursor
,
6361 w32_clear_frame_area
,
6362 w32_draw_window_cursor
,
6363 w32_draw_vertical_window_border
,
6364 w32_shift_glyphs_for_insert
6370 rif
= &w32_redisplay_interface
;
6372 /* MSVC does not type K&R functions with no arguments correctly, and
6373 so we must explicitly cast them. */
6374 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6375 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6376 update_begin_hook
= x_update_begin
;
6377 update_end_hook
= x_update_end
;
6379 read_socket_hook
= w32_read_socket
;
6381 frame_up_to_date_hook
= w32_frame_up_to_date
;
6383 mouse_position_hook
= w32_mouse_position
;
6384 frame_rehighlight_hook
= w32_frame_rehighlight
;
6385 frame_raise_lower_hook
= w32_frame_raise_lower
;
6386 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6387 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6388 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6389 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6391 scroll_region_ok
= 1; /* we'll scroll partial frames */
6392 char_ins_del_ok
= 1;
6393 line_ins_del_ok
= 1; /* we'll just blt 'em */
6394 fast_clear_end_of_line
= 1; /* X does this well */
6395 memory_below_frame
= 0; /* we don't remember what scrolls
6399 w32_system_caret_hwnd
= NULL
;
6400 w32_system_caret_height
= 0;
6401 w32_system_caret_x
= 0;
6402 w32_system_caret_y
= 0;
6404 last_tool_bar_item
= -1;
6405 any_help_event_p
= 0;
6407 /* Initialize input mode: interrupt_input off, no flow control, allow
6408 8 bit character input, standard quit char. */
6409 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6411 /* Create the window thread - it will terminate itself or when the app terminates */
6415 dwMainThreadId
= GetCurrentThreadId ();
6416 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6417 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6419 /* Wait for thread to start */
6424 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6426 hWindowsThread
= CreateThread (NULL
, 0,
6427 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6428 0, 0, &dwWindowsThreadId
);
6430 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6433 /* It is desirable that mainThread should have the same notion of
6434 focus window and active window as windowsThread. Unfortunately, the
6435 following call to AttachThreadInput, which should do precisely what
6436 we need, causes major problems when Emacs is linked as a console
6437 program. Unfortunately, we have good reasons for doing that, so
6438 instead we need to send messages to windowsThread to make some API
6439 calls for us (ones that affect, or depend on, the active/focus
6441 #ifdef ATTACH_THREADS
6442 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6445 /* Dynamically link to optional system components. */
6447 HANDLE user_lib
= LoadLibrary ("user32.dll");
6449 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6451 /* New proportional scroll bar functions. */
6452 LOAD_PROC (SetScrollInfo
);
6453 LOAD_PROC (GetScrollInfo
);
6457 FreeLibrary (user_lib
);
6459 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6460 otherwise use the fixed height. */
6461 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6462 GetSystemMetrics (SM_CYVTHUMB
);
6464 /* For either kind of scroll bar, take account of the arrows; these
6465 effectively form the border of the main scroll bar range. */
6466 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6467 = GetSystemMetrics (SM_CYVSCROLL
);
6474 staticpro (&w32_display_name_list
);
6475 w32_display_name_list
= Qnil
;
6477 staticpro (&last_mouse_scroll_bar
);
6478 last_mouse_scroll_bar
= Qnil
;
6480 staticpro (&Qvendor_specific_keysyms
);
6481 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6483 DEFVAR_INT ("w32-num-mouse-buttons",
6484 &Vw32_num_mouse_buttons
,
6485 doc
: /* Number of physical mouse buttons. */);
6486 Vw32_num_mouse_buttons
= Qnil
;
6488 DEFVAR_LISP ("w32-swap-mouse-buttons",
6489 &Vw32_swap_mouse_buttons
,
6490 doc
: /* Swap the mapping of middle and right mouse buttons.
6491 When nil, middle button is mouse-2 and right button is mouse-3. */);
6492 Vw32_swap_mouse_buttons
= Qnil
;
6494 DEFVAR_LISP ("w32-grab-focus-on-raise",
6495 &Vw32_grab_focus_on_raise
,
6496 doc
: /* Raised frame grabs input focus.
6497 When t, `raise-frame' grabs input focus as well. This fits well
6498 with the normal Windows click-to-focus policy, but might not be
6499 desirable when using a point-to-focus policy. */);
6500 Vw32_grab_focus_on_raise
= Qt
;
6502 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6503 &Vw32_capslock_is_shiftlock
,
6504 doc
: /* Apply CapsLock state to non character input keys.
6505 When nil, CapsLock only affects normal character input keys. */);
6506 Vw32_capslock_is_shiftlock
= Qnil
;
6508 DEFVAR_LISP ("w32-recognize-altgr",
6509 &Vw32_recognize_altgr
,
6510 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6511 When nil, the right-alt and left-ctrl key combination is
6512 interpreted normally. */);
6513 Vw32_recognize_altgr
= Qt
;
6515 DEFVAR_BOOL ("w32-enable-unicode-output",
6516 &w32_enable_unicode_output
,
6517 doc
: /* Enable the use of Unicode for text output if non-nil.
6518 Unicode output may prevent some third party applications for displaying
6519 Far-East Languages on Windows 95/98 from working properly.
6520 NT uses Unicode internally anyway, so this flag will probably have no
6521 affect on NT machines. */);
6522 w32_enable_unicode_output
= 1;
6524 DEFVAR_BOOL ("w32-use-visible-system-caret",
6525 &w32_use_visible_system_caret
,
6526 doc
: /* Flag to make the system caret visible.
6527 When this is non-nil, Emacs will indicate the position of point by
6528 using the system caret instead of drawing its own cursor. Some screen
6529 reader software does not track the system cursor properly when it is
6530 invisible, and gets confused by Emacs drawing its own cursor, so this
6531 variable is initialized to t when Emacs detects that screen reader
6532 software is running as it starts up.
6534 When this variable is set, other variables affecting the appearance of
6535 the cursor have no effect. */);
6537 /* Initialize w32_use_visible_system_caret based on whether a screen
6538 reader is in use. */
6539 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6540 &w32_use_visible_system_caret
, 0))
6541 w32_use_visible_system_caret
= 0;
6543 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6544 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6545 Vx_toolkit_scroll_bars
= Qt
;
6547 staticpro (&last_mouse_motion_frame
);
6548 last_mouse_motion_frame
= Qnil
;