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 /* Define GET_WHEEL_DELTA_WPARAM macro if system headers don't. */
77 #ifndef GET_WHEEL_DELTA_WPARAM
78 #define GET_WHEEL_DELTA_WPARAM(wparam) ((short)HIWORD (wparam))
81 /* Non-zero means that a HELP_EVENT has been generated since Emacs
84 static int any_help_event_p
;
86 /* Last window where we saw the mouse. Used by mouse-autoselect-window. */
87 static Lisp_Object last_window
;
89 extern unsigned int msh_mousewheel
;
91 extern void free_frame_menubar ();
93 extern int w32_codepage_for_font (char *fontname
);
94 extern Cursor
w32_load_cursor (LPCTSTR name
);
96 extern glyph_metric
*w32_BDF_TextMetric(bdffont
*fontp
,
97 unsigned char *text
, int dim
);
98 extern Lisp_Object Vwindow_system
;
100 #define x_any_window_to_frame x_window_to_frame
101 #define x_top_window_to_frame x_window_to_frame
104 /* This is display since w32 does not support multiple ones. */
105 struct w32_display_info one_w32_display_info
;
106 struct w32_display_info
*x_display_list
;
108 /* This is a list of cons cells, each of the form (NAME . FONT-LIST-CACHE),
109 one for each element of w32_display_list and in the same order.
110 NAME is the name of the frame.
111 FONT-LIST-CACHE records previous values returned by x-list-fonts. */
112 Lisp_Object w32_display_name_list
;
114 /* Frame being updated by update_frame. This is declared in term.c.
115 This is set by update_begin and looked at by all the
116 w32 functions. It is zero while not inside an update.
117 In that case, the w32 functions assume that `SELECTED_FRAME ()'
118 is the frame to apply to. */
119 extern struct frame
*updating_frame
;
121 /* This is a frame waiting to be autoraised, within w32_read_socket. */
122 struct frame
*pending_autoraise_frame
;
124 /* The handle of the frame that currently owns the system caret. */
125 HWND w32_system_caret_hwnd
;
126 int w32_system_caret_height
;
127 int w32_system_caret_x
;
128 int w32_system_caret_y
;
129 int w32_use_visible_system_caret
;
131 /* Flag to enable Unicode output in case users wish to use programs
132 like Twinbridge on '95 rather than installed system level support
133 for Far East languages. */
134 int w32_enable_unicode_output
;
136 DWORD dwWindowsThreadId
= 0;
137 HANDLE hWindowsThread
= NULL
;
138 DWORD dwMainThreadId
= 0;
139 HANDLE hMainThread
= NULL
;
142 /* These definitions are new with Windows 95. */
143 #define SIF_RANGE 0x0001
144 #define SIF_PAGE 0x0002
145 #define SIF_POS 0x0004
146 #define SIF_DISABLENOSCROLL 0x0008
147 #define SIF_TRACKPOS 0x0010
148 #define SIF_ALL (SIF_RANGE | SIF_PAGE | SIF_POS | SIF_TRACKPOS)
150 typedef struct tagSCROLLINFO
159 } SCROLLINFO
, FAR
*LPSCROLLINFO
;
160 typedef SCROLLINFO CONST FAR
*LPCSCROLLINFO
;
163 /* Dynamic linking to new proportional scroll bar functions. */
164 int (PASCAL
*pfnSetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
, BOOL fRedraw
);
165 BOOL (PASCAL
*pfnGetScrollInfo
) (HWND hwnd
, int fnBar
, LPSCROLLINFO lpsi
);
167 int vertical_scroll_bar_min_handle
;
168 int vertical_scroll_bar_top_border
;
169 int vertical_scroll_bar_bottom_border
;
171 int last_scroll_bar_drag_pos
;
173 /* Mouse movement. */
175 /* Where the mouse was last time we reported a mouse event. */
177 static RECT last_mouse_glyph
;
178 static Lisp_Object last_mouse_press_frame
;
180 Lisp_Object Vw32_num_mouse_buttons
;
182 Lisp_Object Vw32_swap_mouse_buttons
;
184 /* Control whether x_raise_frame also sets input focus. */
185 Lisp_Object Vw32_grab_focus_on_raise
;
187 /* Control whether Caps Lock affects non-ascii characters. */
188 Lisp_Object Vw32_capslock_is_shiftlock
;
190 /* Control whether right-alt and left-ctrl should be recognized as AltGr. */
191 Lisp_Object Vw32_recognize_altgr
;
193 /* The scroll bar in which the last motion event occurred.
195 If the last motion event occurred in a scroll bar, we set this
196 so w32_mouse_position can know whether to report a scroll bar motion or
199 If the last motion event didn't occur in a scroll bar, we set this
200 to Qnil, to tell w32_mouse_position to return an ordinary motion event. */
201 static Lisp_Object last_mouse_scroll_bar
;
202 static int last_mouse_scroll_bar_pos
;
204 /* This is a hack. We would really prefer that w32_mouse_position would
205 return the time associated with the position it returns, but there
206 doesn't seem to be any way to wrest the time-stamp from the server
207 along with the position query. So, we just keep track of the time
208 of the last movement we received, and return that in hopes that
209 it's somewhat accurate. */
211 static Time last_mouse_movement_time
;
213 /* Incremented by w32_read_socket whenever it really tries to read
217 static int volatile input_signal_count
;
219 static int input_signal_count
;
222 extern Lisp_Object Vcommand_line_args
, Vsystem_name
;
224 extern Lisp_Object Qface
, Qmouse_face
;
230 /* A mask of extra modifier bits to put into every keyboard char. */
232 extern EMACS_INT extra_keyboard_modifiers
;
234 static void x_update_window_end
P_ ((struct window
*, int, int));
235 void w32_delete_display
P_ ((struct w32_display_info
*));
236 static void w32_handle_tool_bar_click
P_ ((struct frame
*,
237 struct input_event
*));
238 void w32_define_cursor
P_ ((Window
, Cursor
));
240 void x_lower_frame
P_ ((struct frame
*));
241 void x_scroll_bar_clear
P_ ((struct frame
*));
242 void x_wm_set_size_hint
P_ ((struct frame
*, long, int));
243 void x_raise_frame
P_ ((struct frame
*));
244 void x_set_window_size
P_ ((struct frame
*, int, int, int));
245 void x_wm_set_window_state
P_ ((struct frame
*, int));
246 void x_wm_set_icon_pixmap
P_ ((struct frame
*, int));
247 void w32_initialize
P_ ((void));
248 static void x_font_min_bounds
P_ ((XFontStruct
*, int *, int *));
249 int x_compute_min_glyph_bounds
P_ ((struct frame
*));
250 static void x_update_end
P_ ((struct frame
*));
251 static void w32_frame_up_to_date
P_ ((struct frame
*));
252 static void w32_set_terminal_modes
P_ ((void));
253 static void w32_reset_terminal_modes
P_ ((void));
254 static void x_clear_frame
P_ ((void));
255 static void frame_highlight
P_ ((struct frame
*));
256 static void frame_unhighlight
P_ ((struct frame
*));
257 static void x_new_focus_frame
P_ ((struct w32_display_info
*,
259 static void w32_frame_rehighlight
P_ ((struct frame
*));
260 static void x_frame_rehighlight
P_ ((struct w32_display_info
*));
261 static void x_draw_hollow_cursor
P_ ((struct window
*, struct glyph_row
*));
262 static void x_draw_bar_cursor
P_ ((struct window
*, struct glyph_row
*, int,
263 enum text_cursor_kinds
));
264 static void w32_clip_to_row
P_ ((struct window
*, struct glyph_row
*, HDC
));
266 static Lisp_Object Qvendor_specific_keysyms
;
269 /***********************************************************************
271 ***********************************************************************/
275 /* This is a function useful for recording debugging information about
276 the sequence of occurrences in this file. */
284 struct record event_record
[100];
286 int event_record_index
;
288 record_event (locus
, type
)
292 if (event_record_index
== sizeof (event_record
) / sizeof (struct record
))
293 event_record_index
= 0;
295 event_record
[event_record_index
].locus
= locus
;
296 event_record
[event_record_index
].type
= type
;
297 event_record_index
++;
304 XChangeGC (void * ignore
, XGCValues
* gc
, unsigned long mask
,
307 if (mask
& GCForeground
)
308 gc
->foreground
= xgcv
->foreground
;
309 if (mask
& GCBackground
)
310 gc
->background
= xgcv
->background
;
312 gc
->font
= xgcv
->font
;
315 XGCValues
*XCreateGC (void * ignore
, Window window
, unsigned long mask
,
318 XGCValues
*gc
= (XGCValues
*) xmalloc (sizeof (XGCValues
));
319 bzero (gc
, sizeof (XGCValues
));
321 XChangeGC (ignore
, gc
, mask
, xgcv
);
327 XGetGCValues (void* ignore
, XGCValues
*gc
,
328 unsigned long mask
, XGCValues
*xgcv
)
330 XChangeGC (ignore
, xgcv
, mask
, gc
);
334 w32_set_clip_rectangle (HDC hdc
, RECT
*rect
)
338 HRGN clip_region
= CreateRectRgnIndirect (rect
);
339 SelectClipRgn (hdc
, clip_region
);
340 DeleteObject (clip_region
);
343 SelectClipRgn (hdc
, NULL
);
347 /* Draw a hollow rectangle at the specified position. */
349 w32_draw_rectangle (HDC hdc
, XGCValues
*gc
, int x
, int y
,
350 int width
, int height
)
355 hb
= CreateSolidBrush (gc
->background
);
356 hp
= CreatePen (PS_SOLID
, 0, gc
->foreground
);
357 oldhb
= SelectObject (hdc
, hb
);
358 oldhp
= SelectObject (hdc
, hp
);
360 Rectangle (hdc
, x
, y
, x
+ width
, y
+ height
);
362 SelectObject (hdc
, oldhb
);
363 SelectObject (hdc
, oldhp
);
368 /* Draw a filled rectangle at the specified position. */
370 w32_fill_rect (f
, hdc
, pix
, lprect
)
378 hb
= CreateSolidBrush (pix
);
379 FillRect (hdc
, lprect
, hb
);
388 HDC hdc
= get_frame_dc (f
);
390 /* Under certain conditions, this can be called at startup with
391 a console frame pointer before the GUI frame is created. An HDC
392 of 0 indicates this. */
395 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
396 w32_clear_rect (f
, hdc
, &rect
);
399 release_frame_dc (f
, hdc
);
403 /***********************************************************************
404 Starting and ending an update
405 ***********************************************************************/
407 /* Start an update of frame F. This function is installed as a hook
408 for update_begin, i.e. it is called when update_begin is called.
409 This function is called prior to calls to x_update_window_begin for
410 each window being updated. */
416 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
418 if (! FRAME_W32_P (f
))
421 /* Regenerate display palette before drawing if list of requested
422 colors has changed. */
423 if (display_info
->regen_palette
)
425 w32_regenerate_palette (f
);
426 display_info
->regen_palette
= FALSE
;
431 /* Start update of window W. Set the global variable updated_window
432 to the window being updated and set output_cursor to the cursor
436 x_update_window_begin (w
)
439 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
440 struct w32_display_info
*display_info
= FRAME_W32_DISPLAY_INFO (f
);
442 /* Hide the system caret during an update. */
443 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
445 SendMessage (w32_system_caret_hwnd
, WM_EMACS_HIDE_CARET
, 0, 0);
449 set_output_cursor (&w
->cursor
);
453 if (f
== display_info
->mouse_face_mouse_frame
)
455 /* Don't do highlighting for mouse motion during the update. */
456 display_info
->mouse_face_defer
= 1;
458 /* If F needs to be redrawn, simply forget about any prior mouse
460 if (FRAME_GARBAGED_P (f
))
461 display_info
->mouse_face_window
= Qnil
;
463 #if 0 /* Rows in a current matrix containing glyphs in mouse-face have
464 their mouse_face_p flag set, which means that they are always
465 unequal to rows in a desired matrix which never have that
466 flag set. So, rows containing mouse-face glyphs are never
467 scrolled, and we don't have to switch the mouse highlight off
468 here to prevent it from being scrolled. */
470 /* Can we tell that this update does not affect the window
471 where the mouse highlight is? If so, no need to turn off.
472 Likewise, don't do anything if the frame is garbaged;
473 in that case, the frame's current matrix that we would use
474 is all wrong, and we will redisplay that line anyway. */
475 if (!NILP (display_info
->mouse_face_window
)
476 && w
== XWINDOW (display_info
->mouse_face_window
))
480 for (i
= 0; i
< w
->desired_matrix
->nrows
; ++i
)
481 if (MATRIX_ROW_ENABLED_P (w
->desired_matrix
, i
))
484 if (i
< w
->desired_matrix
->nrows
)
485 clear_mouse_face (display_info
);
493 /* Draw a vertical window border from (x,y0) to (x,y1) */
496 w32_draw_vertical_window_border (w
, x
, y0
, y1
)
500 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
509 hdc
= get_frame_dc (f
);
510 w32_fill_rect (f
, hdc
, FRAME_FOREGROUND_PIXEL (f
), &r
);
511 release_frame_dc (f
, hdc
);
515 /* End update of window W (which is equal to updated_window).
517 Draw vertical borders between horizontally adjacent windows, and
518 display W's cursor if CURSOR_ON_P is non-zero.
520 MOUSE_FACE_OVERWRITTEN_P non-zero means that some row containing
521 glyphs in mouse-face were overwritten. In that case we have to
522 make sure that the mouse-highlight is properly redrawn.
524 W may be a menu bar pseudo-window in case we don't have X toolkit
525 support. Such windows don't have a cursor, so don't display it
529 x_update_window_end (w
, cursor_on_p
, mouse_face_overwritten_p
)
531 int cursor_on_p
, mouse_face_overwritten_p
;
533 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (XFRAME (w
->frame
));
535 if (!w
->pseudo_window_p
)
540 display_and_set_cursor (w
, 1, output_cursor
.hpos
,
542 output_cursor
.x
, output_cursor
.y
);
544 x_draw_vertical_border (w
);
548 /* If a row with mouse-face was overwritten, arrange for
549 XTframe_up_to_date to redisplay the mouse highlight. */
550 if (mouse_face_overwritten_p
)
552 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
553 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
554 dpyinfo
->mouse_face_window
= Qnil
;
557 /* Unhide the caret. This won't actually show the cursor, unless it
558 was visible before the corresponding call to HideCaret in
559 x_update_window_begin. */
560 if (w32_use_visible_system_caret
&& w32_system_caret_hwnd
)
562 SendMessage (w32_system_caret_hwnd
, WM_EMACS_SHOW_CARET
, 0, 0);
565 updated_window
= NULL
;
569 /* End update of frame F. This function is installed as a hook in
576 if (! FRAME_W32_P (f
))
579 /* Mouse highlight may be displayed again. */
580 FRAME_W32_DISPLAY_INFO (f
)->mouse_face_defer
= 0;
584 /* This function is called from various places in xdisp.c whenever a
585 complete update has been performed. The global variable
586 updated_window is not available here. */
589 w32_frame_up_to_date (f
)
594 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
596 if (dpyinfo
->mouse_face_deferred_gc
597 || f
== dpyinfo
->mouse_face_mouse_frame
)
600 if (dpyinfo
->mouse_face_mouse_frame
)
601 note_mouse_highlight (dpyinfo
->mouse_face_mouse_frame
,
602 dpyinfo
->mouse_face_mouse_x
,
603 dpyinfo
->mouse_face_mouse_y
);
604 dpyinfo
->mouse_face_deferred_gc
= 0;
611 /* Draw truncation mark bitmaps, continuation mark bitmaps, overlay
612 arrow bitmaps, or clear the fringes if no bitmaps are required
613 before DESIRED_ROW is made current. The window being updated is
614 found in updated_window. This function is called from
615 update_window_line only if it is known that there are differences
616 between bitmaps to be drawn between current row and DESIRED_ROW. */
619 x_after_update_window_line (desired_row
)
620 struct glyph_row
*desired_row
;
622 struct window
*w
= updated_window
;
628 if (!desired_row
->mode_line_p
&& !w
->pseudo_window_p
)
631 draw_row_fringe_bitmaps (w
, desired_row
);
635 /* When a window has disappeared, make sure that no rest of
636 full-width rows stays visible in the internal border. Could
637 check here if updated_window is the leftmost/rightmost window,
638 but I guess it's not worth doing since vertically split windows
639 are almost never used, internal border is rarely set, and the
640 overhead is very small. */
641 if (windows_or_buffers_changed
642 && desired_row
->full_width_p
643 && (f
= XFRAME (w
->frame
),
644 width
= FRAME_INTERNAL_BORDER_WIDTH (f
),
646 && (height
= desired_row
->visible_height
,
649 int y
= WINDOW_TO_FRAME_PIXEL_Y (w
, max (0, desired_row
->y
));
651 /* Internal border is drawn below the tool bar. */
652 if (WINDOWP (f
->tool_bar_window
)
653 && w
== XWINDOW (f
->tool_bar_window
))
658 HDC hdc
= get_frame_dc (f
);
659 w32_clear_area (f
, hdc
, 0, y
, width
, height
);
660 w32_clear_area (f
, hdc
, FRAME_PIXEL_WIDTH (f
) - width
,
662 release_frame_dc (f
, hdc
);
669 /* Draw the bitmap WHICH in one of the left or right fringes of
670 window W. ROW is the glyph row for which to display the bitmap; it
671 determines the vertical position at which the bitmap has to be
675 w32_draw_fringe_bitmap (w
, row
, p
)
677 struct glyph_row
*row
;
678 struct draw_fringe_bitmap_params
*p
;
680 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
682 struct face
*face
= p
->face
;
684 hdc
= get_frame_dc (f
);
686 /* Must clip because of partially visible lines. */
687 w32_clip_to_row (w
, row
, hdc
);
691 w32_fill_area (f
, hdc
, face
->background
,
692 p
->bx
, p
->by
, p
->nx
, p
->ny
);
695 if (p
->which
!= NO_FRINGE_BITMAP
)
697 HBITMAP pixmap
= fringe_bmp
[p
->which
];
701 compat_hdc
= CreateCompatibleDC (hdc
);
704 horig_obj
= SelectObject (compat_hdc
, pixmap
);
705 SetTextColor (hdc
, face
->background
);
706 SetBkColor (hdc
, face
->foreground
);
708 BitBlt (hdc
, p
->x
, p
->y
, p
->wd
, p
->h
,
709 compat_hdc
, 0, p
->dh
,
712 SelectObject (compat_hdc
, horig_obj
);
713 DeleteDC (compat_hdc
);
717 w32_set_clip_rectangle (hdc
, NULL
);
719 release_frame_dc (f
, hdc
);
723 /* This is called when starting Emacs and when restarting after
724 suspend. When starting Emacs, no window is mapped. And nothing
725 must be done to Emacs's own window if it is suspended (though that
729 w32_set_terminal_modes (void)
733 /* This is called when exiting or suspending Emacs. Exiting will make
734 the W32 windows go away, and suspending requires no action. */
737 w32_reset_terminal_modes (void)
743 /***********************************************************************
745 ***********************************************************************/
747 /* Function prototypes of this page. */
749 static XCharStruct
*w32_per_char_metric
P_ ((XFontStruct
*,
751 static int w32_encode_char
P_ ((int, wchar_t *, struct font_info
*, int *));
754 /* Get metrics of character CHAR2B in FONT. Value is always non-null.
755 If CHAR2B is not contained in FONT, the font's default character
756 metric is returned. */
759 w32_bdf_per_char_metric (font
, char2b
, dim
, pcm
)
765 glyph_metric
* bdf_metric
;
769 buf
[0] = (char)(*char2b
);
772 buf
[0] = XCHAR2B_BYTE1 (char2b
);
773 buf
[1] = XCHAR2B_BYTE2 (char2b
);
776 bdf_metric
= w32_BDF_TextMetric (font
->bdf
, buf
, dim
);
780 pcm
->width
= bdf_metric
->dwidth
;
781 pcm
->lbearing
= bdf_metric
->bbox
;
782 pcm
->rbearing
= bdf_metric
->dwidth
783 - (bdf_metric
->bbox
+ bdf_metric
->bbw
);
784 pcm
->ascent
= bdf_metric
->bboy
+ bdf_metric
->bbh
;
785 pcm
->descent
= -bdf_metric
->bboy
;
794 w32_native_per_char_metric (font
, char2b
, font_type
, pcm
)
797 enum w32_char_font_type font_type
;
800 HDC hdc
= GetDC (NULL
);
804 xassert (font
&& char2b
);
805 xassert (font
->hfont
);
806 xassert (font_type
== UNICODE_FONT
|| font_type
== ANSI_FONT
);
808 old_font
= SelectObject (hdc
, font
->hfont
);
810 if ((font
->tm
.tmPitchAndFamily
& TMPF_TRUETYPE
) != 0)
814 if (font_type
== UNICODE_FONT
)
815 retval
= GetCharABCWidthsW (hdc
, *char2b
, *char2b
, &char_widths
);
817 retval
= GetCharABCWidthsA (hdc
, *char2b
, *char2b
, &char_widths
);
822 /* Disabled until we can find a way to get the right results
823 on all versions of Windows. */
825 /* Don't trust the ABC widths. For synthesized fonts they are
826 wrong, and so is the result of GetCharWidth()! */
828 GetCharWidth (hdc
, *char2b
, *char2b
, &real_width
);
830 pcm
->width
= char_widths
.abcA
+ char_widths
.abcB
+ char_widths
.abcC
;
832 /* As far as I can tell, this is the best way to determine what
833 ExtTextOut will do with the broken font. */
834 if (pcm
->width
!= real_width
)
835 pcm
->width
= (pcm
->width
+ real_width
) / 2;
837 pcm
->lbearing
= char_widths
.abcA
;
838 pcm
->rbearing
= char_widths
.abcA
+ char_widths
.abcB
;
839 pcm
->ascent
= FONT_BASE (font
);
840 pcm
->descent
= FONT_DESCENT (font
);
846 /* Either font is not a True-type font, or GetCharABCWidthsW
847 failed (it is not supported on Windows 9x for instance), so we
848 can't determine the full info we would like. All is not lost
849 though - we can call GetTextExtentPoint32 to get rbearing and
850 deduce width based on the font's per-string overhang. lbearing
851 is assumed to be zero. */
853 /* TODO: Some Thai characters (and other composites if Windows
854 supports them) do have lbearing, and report their total width
855 as zero. Need some way of handling them when
856 GetCharABCWidthsW fails. */
859 if (font_type
== UNICODE_FONT
)
860 retval
= GetTextExtentPoint32W (hdc
, char2b
, 1, &sz
);
862 retval
= GetTextExtentPoint32A (hdc
, (char*)char2b
, 1, &sz
);
866 pcm
->width
= sz
.cx
- font
->tm
.tmOverhang
;
867 pcm
->rbearing
= sz
.cx
;
869 pcm
->ascent
= FONT_BASE (font
);
870 pcm
->descent
= FONT_DESCENT (font
);
875 if (pcm
->width
== 0 && (pcm
->rbearing
- pcm
->lbearing
) == 0)
880 SelectObject (hdc
, old_font
);
881 ReleaseDC (NULL
, hdc
);
888 w32_per_char_metric (font
, char2b
, font_type
)
891 int /* enum w32_char_font_type */ font_type
;
893 /* The result metric information. */
897 xassert (font
&& char2b
);
899 /* Handle the common cases quickly. */
900 if (!font
->bdf
&& font
->per_char
== NULL
)
901 /* TODO: determine whether char2b exists in font? */
902 return &font
->max_bounds
;
903 else if (!font
->bdf
&& *char2b
< 128)
904 return &font
->per_char
[*char2b
];
906 xassert (font_type
!= UNKNOWN_FONT
);
908 pcm
= &font
->scratch
;
910 if (font_type
== BDF_1D_FONT
)
911 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
912 else if (font_type
== BDF_2D_FONT
)
913 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
915 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
924 w32_cache_char_metrics (font
)
927 wchar_t char2b
= L
'x';
929 /* Cache char metrics for the common cases. */
932 /* TODO: determine whether font is fixed-pitch. */
933 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
935 /* Use the font width and height as max bounds, as not all BDF
936 fonts contain the letter 'x'. */
937 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
938 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
939 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
940 font
->max_bounds
.ascent
= FONT_BASE (font
);
941 font
->max_bounds
.descent
= FONT_DESCENT (font
);
946 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
947 /* Some fonts (eg DBCS fonts) are marked as fixed width even
948 though they contain characters of different widths. */
949 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
951 /* Font is not fixed pitch, so cache per_char info for the
952 ASCII characters. It would be much more work, and probably
953 not worth it, to cache other chars, since we may change
954 between using Unicode and ANSI text drawing functions at
958 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
959 for (i
= 0; i
< 128; i
++)
962 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
967 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
973 /* Determine if a font is double byte. */
974 int w32_font_is_double_byte (XFontStruct
*font
)
976 return font
->double_byte_p
;
981 w32_use_unicode_for_codepage (codepage
)
984 /* If the current codepage is supported, use Unicode for output. */
985 return (w32_enable_unicode_output
986 && codepage
!= CP_8BIT
987 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
990 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
991 the two-byte form of C. Encoding is returned in *CHAR2B. */
993 static int /* enum w32_char_font_type */
994 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
997 struct font_info
*font_info
;
1000 int charset
= CHAR_CHARSET (c
);
1003 int internal_two_byte_p
= 0;
1005 XFontStruct
*font
= font_info
->font
;
1007 internal_two_byte_p
= w32_font_is_double_byte (font
);
1009 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1010 This may be either a program in a special encoder language or a
1012 if (font_info
->font_encoder
)
1014 /* It's a program. */
1015 struct ccl_program
*ccl
= font_info
->font_encoder
;
1017 if (CHARSET_DIMENSION (charset
) == 1)
1019 ccl
->reg
[0] = charset
;
1020 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1025 ccl
->reg
[0] = charset
;
1026 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1027 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1030 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1032 /* We assume that MSBs are appropriately set/reset by CCL
1034 if (!internal_two_byte_p
) /* 1-byte font */
1035 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1037 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1039 else if (font_info
->encoding
[charset
])
1041 /* Fixed encoding scheme. See fontset.h for the meaning of the
1042 encoding numbers. */
1043 int enc
= font_info
->encoding
[charset
];
1045 if ((enc
== 1 || enc
== 2)
1046 && CHARSET_DIMENSION (charset
) == 2)
1047 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1049 if (enc
== 1 || enc
== 3
1050 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1051 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1056 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1058 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1061 codepage
= font_info
->codepage
;
1063 /* If charset is not ASCII or Latin-1, may need to move it into
1065 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1066 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1067 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1070 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1071 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1073 if (codepage
!= CP_UNICODE
)
1076 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1078 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1081 internal_two_byte_p
= 1;
1085 *two_byte_p
= internal_two_byte_p
;
1088 return UNKNOWN_FONT
;
1089 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1094 return UNICODE_FONT
;
1101 /***********************************************************************
1103 ***********************************************************************/
1106 /* Encapsulate the different ways of displaying text under W32. */
1109 w32_text_out (s
, x
, y
,chars
,nchars
)
1110 struct glyph_string
* s
;
1115 int charset_dim
= w32_font_is_double_byte (s
->gc
->font
) ? 2 : 1;
1116 if (s
->gc
->font
->bdf
)
1117 w32_BDF_TextOut (s
->gc
->font
->bdf
, s
->hdc
,
1118 x
, y
, (char *) chars
, charset_dim
,
1119 nchars
* charset_dim
, 0);
1120 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1121 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1123 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1124 nchars
* charset_dim
, NULL
);
1129 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1130 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1131 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1133 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1134 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1135 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1136 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1137 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1138 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1139 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1140 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1141 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1142 double, int, COLORREF
));
1143 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1144 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1145 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1146 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1147 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1148 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1150 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1151 int, int, int, int, RECT
*));
1152 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1153 int, int, int, RECT
*));
1156 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1160 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1165 struct glyph_string
*s
;
1167 if (s
->font
== FRAME_FONT (s
->f
)
1168 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1169 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1171 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1174 /* Cursor on non-default face: must merge. */
1178 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1179 xgcv
.foreground
= s
->face
->background
;
1181 /* If the glyph would be invisible, try a different foreground. */
1182 if (xgcv
.foreground
== xgcv
.background
)
1183 xgcv
.foreground
= s
->face
->foreground
;
1184 if (xgcv
.foreground
== xgcv
.background
)
1185 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1186 if (xgcv
.foreground
== xgcv
.background
)
1187 xgcv
.foreground
= s
->face
->foreground
;
1189 /* Make sure the cursor is distinct from text in this face. */
1190 if (xgcv
.background
== s
->face
->background
1191 && xgcv
.foreground
== s
->face
->foreground
)
1193 xgcv
.background
= s
->face
->foreground
;
1194 xgcv
.foreground
= s
->face
->background
;
1197 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1198 xgcv
.font
= s
->font
;
1199 mask
= GCForeground
| GCBackground
| GCFont
;
1201 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1202 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1205 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1206 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1208 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1213 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1216 x_set_mouse_face_gc (s
)
1217 struct glyph_string
*s
;
1222 /* What face has to be used last for the mouse face? */
1223 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1224 face
= FACE_FROM_ID (s
->f
, face_id
);
1226 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1228 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1229 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1231 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1232 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1233 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1235 /* If font in this face is same as S->font, use it. */
1236 if (s
->font
== s
->face
->font
)
1237 s
->gc
= s
->face
->gc
;
1240 /* Otherwise construct scratch_cursor_gc with values from FACE
1245 xgcv
.background
= s
->face
->background
;
1246 xgcv
.foreground
= s
->face
->foreground
;
1247 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1248 xgcv
.font
= s
->font
;
1249 mask
= GCForeground
| GCBackground
| GCFont
;
1251 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1252 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1255 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1256 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1258 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1261 xassert (s
->gc
!= 0);
1265 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1266 Faces to use in the mode line have already been computed when the
1267 matrix was built, so there isn't much to do, here. */
1270 x_set_mode_line_face_gc (s
)
1271 struct glyph_string
*s
;
1273 s
->gc
= s
->face
->gc
;
1277 /* Set S->gc of glyph string S for drawing that glyph string. Set
1278 S->stippled_p to a non-zero value if the face of S has a stipple
1282 x_set_glyph_string_gc (s
)
1283 struct glyph_string
*s
;
1285 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1287 if (s
->hl
== DRAW_NORMAL_TEXT
)
1289 s
->gc
= s
->face
->gc
;
1290 s
->stippled_p
= s
->face
->stipple
!= 0;
1292 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1294 x_set_mode_line_face_gc (s
);
1295 s
->stippled_p
= s
->face
->stipple
!= 0;
1297 else if (s
->hl
== DRAW_CURSOR
)
1299 x_set_cursor_gc (s
);
1302 else if (s
->hl
== DRAW_MOUSE_FACE
)
1304 x_set_mouse_face_gc (s
);
1305 s
->stippled_p
= s
->face
->stipple
!= 0;
1307 else if (s
->hl
== DRAW_IMAGE_RAISED
1308 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1310 s
->gc
= s
->face
->gc
;
1311 s
->stippled_p
= s
->face
->stipple
!= 0;
1315 s
->gc
= s
->face
->gc
;
1316 s
->stippled_p
= s
->face
->stipple
!= 0;
1319 /* GC must have been set. */
1320 xassert (s
->gc
!= 0);
1324 /* Set clipping for output of glyph string S. S may be part of a mode
1325 line or menu if we don't have X toolkit support. */
1328 x_set_glyph_string_clipping (s
)
1329 struct glyph_string
*s
;
1332 get_glyph_string_clip_rect (s
, &r
);
1333 w32_set_clip_rectangle (s
->hdc
, &r
);
1338 Compute left and right overhang of glyph string S. If S is a glyph
1339 string for a composition, assume overhangs don't exist. */
1342 w32_compute_glyph_string_overhangs (s
)
1343 struct glyph_string
*s
;
1345 /* TODO: Windows does not appear to have a method for
1346 getting this info without getting the ABC widths for each
1347 individual character and working it out manually. */
1352 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1353 struct glyph
*glyph
;
1357 HDC hdc
= get_frame_dc (f
);
1358 /* Convert to unicode! */
1359 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1360 release_frame_dc (f
, hdc
);
1364 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1367 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1368 struct glyph_string
*s
;
1376 /* Take clipping into account. */
1377 if (s
->gc
->clip_mask
== Rect
)
1379 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1380 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1381 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1382 - s
->gc
->clip_rectangle
.left
);
1383 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1384 - s
->gc
->clip_rectangle
.top
);
1387 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1392 /* Draw the background of glyph_string S. If S->background_filled_p
1393 is non-zero don't draw it. FORCE_P non-zero means draw the
1394 background even if it wouldn't be drawn normally. This is used
1395 when a string preceding S draws into the background of S, or S
1396 contains the first component of a composition. */
1399 x_draw_glyph_string_background (s
, force_p
)
1400 struct glyph_string
*s
;
1403 /* Nothing to do if background has already been drawn or if it
1404 shouldn't be drawn in the first place. */
1405 if (!s
->background_filled_p
)
1407 int box_line_width
= max (s
->face
->box_line_width
, 0);
1409 #if 0 /* TODO: stipple */
1412 /* Fill background with a stipple pattern. */
1413 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1414 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1415 s
->y
+ box_line_width
,
1416 s
->background_width
,
1417 s
->height
- 2 * box_line_width
);
1418 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1419 s
->background_filled_p
= 1;
1423 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1424 || s
->font_not_found_p
1425 || s
->extends_to_end_of_line_p
1429 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1430 s
->background_width
,
1431 s
->height
- 2 * box_line_width
);
1432 s
->background_filled_p
= 1;
1438 /* Draw the foreground of glyph string S. */
1441 x_draw_glyph_string_foreground (s
)
1442 struct glyph_string
*s
;
1447 /* If first glyph of S has a left box line, start drawing the text
1448 of S to the right of that box line. */
1449 if (s
->face
->box
!= FACE_NO_BOX
1450 && s
->first_glyph
->left_box_line_p
)
1451 x
= s
->x
+ abs (s
->face
->box_line_width
);
1455 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1456 SetBkMode (s
->hdc
, TRANSPARENT
);
1458 SetBkMode (s
->hdc
, OPAQUE
);
1460 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1461 SetBkColor (s
->hdc
, s
->gc
->background
);
1462 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1464 if (s
->font
&& s
->font
->hfont
)
1465 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1467 /* Draw characters of S as rectangles if S's font could not be
1469 if (s
->font_not_found_p
)
1471 for (i
= 0; i
< s
->nchars
; ++i
)
1473 struct glyph
*g
= s
->first_glyph
+ i
;
1475 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1477 x
+= g
->pixel_width
;
1482 char *char1b
= (char *) s
->char2b
;
1483 int boff
= s
->font_info
->baseline_offset
;
1485 if (s
->font_info
->vertical_centering
)
1486 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1488 /* If we can use 8-bit functions, condense S->char2b. */
1490 for (i
= 0; i
< s
->nchars
; ++i
)
1491 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1493 /* Draw text with TextOut and friends. */
1494 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1496 if (s
->face
->overstrike
)
1498 /* For overstriking (to simulate bold-face), draw the
1499 characters again shifted to the right by one pixel. */
1500 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1503 if (s
->font
&& s
->font
->hfont
)
1504 SelectObject (s
->hdc
, old_font
);
1507 /* Draw the foreground of composite glyph string S. */
1510 x_draw_composite_glyph_string_foreground (s
)
1511 struct glyph_string
*s
;
1516 /* If first glyph of S has a left box line, start drawing the text
1517 of S to the right of that box line. */
1518 if (s
->face
->box
!= FACE_NO_BOX
1519 && s
->first_glyph
->left_box_line_p
)
1520 x
= s
->x
+ abs (s
->face
->box_line_width
);
1524 /* S is a glyph string for a composition. S->gidx is the index of
1525 the first character drawn for glyphs of this composition.
1526 S->gidx == 0 means we are drawing the very first character of
1527 this composition. */
1529 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1530 SetBkColor (s
->hdc
, s
->gc
->background
);
1531 SetBkMode (s
->hdc
, TRANSPARENT
);
1532 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1534 if (s
->font
&& s
->font
->hfont
)
1535 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1537 /* Draw a rectangle for the composition if the font for the very
1538 first character of the composition could not be loaded. */
1539 if (s
->font_not_found_p
)
1542 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1547 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1549 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1550 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1552 if (s
->face
->overstrike
)
1553 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1554 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1559 if (s
->font
&& s
->font
->hfont
)
1560 SelectObject (s
->hdc
, old_font
);
1564 /* Brightness beyond which a color won't have its highlight brightness
1567 Nominally, highlight colors for `3d' faces are calculated by
1568 brightening an object's color by a constant scale factor, but this
1569 doesn't yield good results for dark colors, so for colors who's
1570 brightness is less than this value (on a scale of 0-255) have to
1571 use an additional additive factor.
1573 The value here is set so that the default menu-bar/mode-line color
1574 (grey75) will not have its highlights changed at all. */
1575 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1578 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1579 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1580 If this produces the same color as COLOR, try a color where all RGB
1581 values have DELTA added. Return the allocated color in *COLOR.
1582 DISPLAY is the X display, CMAP is the colormap to operate on.
1583 Value is non-zero if successful. */
1586 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1595 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1598 /* Change RGB values by specified FACTOR. Avoid overflow! */
1599 xassert (factor
>= 0);
1600 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1601 min (0xff, factor
* GetGValue (*color
)),
1602 min (0xff, factor
* GetBValue (*color
)));
1604 /* Calculate brightness of COLOR. */
1605 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1606 + GetBValue (*color
)) / 6;
1608 /* We only boost colors that are darker than
1609 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1610 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1611 /* Make an additive adjustment to NEW, because it's dark enough so
1612 that scaling by FACTOR alone isn't enough. */
1614 /* How far below the limit this color is (0 - 1, 1 being darker). */
1615 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1616 /* The additive adjustment. */
1617 int min_delta
= delta
* dimness
* factor
/ 2;
1620 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1621 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1622 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1624 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1625 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1626 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1630 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1631 max (0, min (0xff, delta
+ GetGValue (*color
))),
1632 max (0, min (0xff, delta
+ GetBValue (*color
))));
1634 /* TODO: Map to palette and retry with delta if same? */
1635 /* TODO: Free colors (if using palette)? */
1646 /* Set up the foreground color for drawing relief lines of glyph
1647 string S. RELIEF is a pointer to a struct relief containing the GC
1648 with which lines will be drawn. Use a color that is FACTOR or
1649 DELTA lighter or darker than the relief's background which is found
1650 in S->f->output_data.x->relief_background. If such a color cannot
1651 be allocated, use DEFAULT_PIXEL, instead. */
1654 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1656 struct relief
*relief
;
1659 COLORREF default_pixel
;
1662 struct w32_output
*di
= f
->output_data
.w32
;
1663 unsigned long mask
= GCForeground
;
1665 COLORREF background
= di
->relief_background
;
1666 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1668 /* TODO: Free colors (if using palette)? */
1670 /* Allocate new color. */
1671 xgcv
.foreground
= default_pixel
;
1673 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1675 relief
->allocated_p
= 1;
1676 xgcv
.foreground
= relief
->pixel
= pixel
;
1679 if (relief
->gc
== 0)
1681 #if 0 /* TODO: stipple */
1682 xgcv
.stipple
= dpyinfo
->gray
;
1685 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1688 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1692 /* Set up colors for the relief lines around glyph string S. */
1695 x_setup_relief_colors (s
)
1696 struct glyph_string
*s
;
1698 struct w32_output
*di
= s
->f
->output_data
.w32
;
1701 if (s
->face
->use_box_color_for_shadows_p
)
1702 color
= s
->face
->box_color
;
1703 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1705 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1706 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1708 color
= s
->gc
->background
;
1710 if (di
->white_relief
.gc
== 0
1711 || color
!= di
->relief_background
)
1713 di
->relief_background
= color
;
1714 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1715 WHITE_PIX_DEFAULT (s
->f
));
1716 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1717 BLACK_PIX_DEFAULT (s
->f
));
1722 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1723 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1724 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1725 relief. LEFT_P non-zero means draw a relief on the left side of
1726 the rectangle. RIGHT_P non-zero means draw a relief on the right
1727 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1731 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1732 raised_p
, left_p
, right_p
, clip_rect
)
1734 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
, raised_p
;
1739 HDC hdc
= get_frame_dc (f
);
1742 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1744 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1746 w32_set_clip_rectangle (hdc
, clip_rect
);
1749 for (i
= 0; i
< width
; ++i
)
1750 w32_fill_area (f
, hdc
, gc
.foreground
,
1751 left_x
+ i
* left_p
, top_y
+ i
,
1752 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1756 for (i
= 0; i
< width
; ++i
)
1757 w32_fill_area (f
, hdc
, gc
.foreground
,
1758 left_x
+ i
, top_y
+ i
, 1,
1759 bottom_y
- top_y
- 2 * i
+ 1);
1762 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1764 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1767 for (i
= 0; i
< width
; ++i
)
1768 w32_fill_area (f
, hdc
, gc
.foreground
,
1769 left_x
+ i
* left_p
, bottom_y
- i
,
1770 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1774 for (i
= 0; i
< width
; ++i
)
1775 w32_fill_area (f
, hdc
, gc
.foreground
,
1776 right_x
- i
, top_y
+ i
+ 1, 1,
1777 bottom_y
- top_y
- 2 * i
- 1);
1779 w32_set_clip_rectangle (hdc
, NULL
);
1781 release_frame_dc (f
, hdc
);
1785 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1786 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1787 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1788 left side of the rectangle. RIGHT_P non-zero means draw a line
1789 on the right side of the rectangle. CLIP_RECT is the clipping
1790 rectangle to use when drawing. */
1793 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1794 left_p
, right_p
, clip_rect
)
1795 struct glyph_string
*s
;
1796 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1799 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1802 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1803 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1808 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1809 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1813 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1814 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1819 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1820 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1823 w32_set_clip_rectangle (s
->hdc
, NULL
);
1827 /* Draw a box around glyph string S. */
1830 x_draw_glyph_string_box (s
)
1831 struct glyph_string
*s
;
1833 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1834 int left_p
, right_p
;
1835 struct glyph
*last_glyph
;
1838 last_x
= window_box_right (s
->w
, s
->area
);
1839 if (s
->row
->full_width_p
1840 && !s
->w
->pseudo_window_p
)
1842 last_x
+= WINDOW_RIGHT_SCROLL_BAR_AREA_WIDTH (s
->w
);
1843 if (s
->area
!= RIGHT_MARGIN_AREA
1844 || WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (s
->w
))
1845 last_x
+= WINDOW_RIGHT_FRINGE_WIDTH (s
->w
);
1848 /* The glyph that may have a right box line. */
1849 last_glyph
= (s
->cmp
|| s
->img
1851 : s
->first_glyph
+ s
->nchars
- 1);
1853 width
= abs (s
->face
->box_line_width
);
1854 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1856 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1858 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1860 bottom_y
= top_y
+ s
->height
- 1;
1862 left_p
= (s
->first_glyph
->left_box_line_p
1863 || (s
->hl
== DRAW_MOUSE_FACE
1865 || s
->prev
->hl
!= s
->hl
)));
1866 right_p
= (last_glyph
->right_box_line_p
1867 || (s
->hl
== DRAW_MOUSE_FACE
1869 || s
->next
->hl
!= s
->hl
)));
1871 get_glyph_string_clip_rect (s
, &clip_rect
);
1873 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1874 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1875 left_p
, right_p
, &clip_rect
);
1878 x_setup_relief_colors (s
);
1879 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1880 width
, raised_p
, left_p
, right_p
, &clip_rect
);
1885 /* Draw foreground of image glyph string S. */
1888 x_draw_image_foreground (s
)
1889 struct glyph_string
*s
;
1892 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1894 /* If first glyph of S has a left box line, start drawing it to the
1895 right of that line. */
1896 if (s
->face
->box
!= FACE_NO_BOX
1897 && s
->first_glyph
->left_box_line_p
)
1898 x
= s
->x
+ abs (s
->face
->box_line_width
);
1902 /* If there is a margin around the image, adjust x- and y-position
1904 x
+= s
->img
->hmargin
;
1905 y
+= s
->img
->vmargin
;
1911 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1912 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1913 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1914 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1915 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1916 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1917 x_set_glyph_string_clipping (s
);
1921 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1922 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1924 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1925 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1927 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1928 compat_hdc
, 0, 0, SRCINVERT
);
1929 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1930 mask_dc
, 0, 0, SRCAND
);
1931 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1932 compat_hdc
, 0, 0, SRCINVERT
);
1934 SelectObject (mask_dc
, mask_orig_obj
);
1939 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1940 SetBkColor (s
->hdc
, s
->gc
->background
);
1942 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1943 compat_hdc
, 0, 0, SRCCOPY
);
1945 /* When the image has a mask, we can expect that at
1946 least part of a mouse highlight or a block cursor will
1947 be visible. If the image doesn't have a mask, make
1948 a block cursor visible by drawing a rectangle around
1949 the image. I believe it's looking better if we do
1950 nothing here for mouse-face. */
1951 if (s
->hl
== DRAW_CURSOR
)
1953 int r
= s
->img
->relief
;
1955 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1956 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
1960 w32_set_clip_rectangle (s
->hdc
, NULL
);
1961 SelectObject (s
->hdc
, orig_brush
);
1962 DeleteObject (fg_brush
);
1963 SelectObject (compat_hdc
, orig_obj
);
1964 DeleteDC (compat_hdc
);
1967 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
, s
->img
->width
-1,
1968 s
->img
->height
- 1);
1970 RestoreDC (s
->hdc
,-1);
1975 /* Draw a relief around the image glyph string S. */
1978 x_draw_image_relief (s
)
1979 struct glyph_string
*s
;
1981 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1984 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1986 /* If first glyph of S has a left box line, start drawing it to the
1987 right of that line. */
1988 if (s
->face
->box
!= FACE_NO_BOX
1989 && s
->first_glyph
->left_box_line_p
)
1990 x
= s
->x
+ abs (s
->face
->box_line_width
);
1994 /* If there is a margin around the image, adjust x- and y-position
1996 x
+= s
->img
->hmargin
;
1997 y
+= s
->img
->vmargin
;
1999 if (s
->hl
== DRAW_IMAGE_SUNKEN
2000 || s
->hl
== DRAW_IMAGE_RAISED
)
2002 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2003 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2007 thick
= abs (s
->img
->relief
);
2008 raised_p
= s
->img
->relief
> 0;
2013 x1
= x
+ s
->img
->width
+ thick
- 1;
2014 y1
= y
+ s
->img
->height
+ thick
- 1;
2016 x_setup_relief_colors (s
);
2017 get_glyph_string_clip_rect (s
, &r
);
2018 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
, 1, 1, &r
);
2022 /* Draw the foreground of image glyph string S to PIXMAP. */
2025 w32_draw_image_foreground_1 (s
, pixmap
)
2026 struct glyph_string
*s
;
2029 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2030 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2032 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
);
2034 /* If first glyph of S has a left box line, start drawing it to the
2035 right of that line. */
2036 if (s
->face
->box
!= FACE_NO_BOX
2037 && s
->first_glyph
->left_box_line_p
)
2038 x
= abs (s
->face
->box_line_width
);
2042 /* If there is a margin around the image, adjust x- and y-position
2044 x
+= s
->img
->hmargin
;
2045 y
+= s
->img
->vmargin
;
2049 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2050 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2051 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2052 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2056 HDC mask_dc
= CreateCompatibleDC (hdc
);
2057 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2059 SetTextColor (hdc
, RGB (0, 0, 0));
2060 SetBkColor (hdc
, RGB (255, 255, 255));
2061 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2062 compat_hdc
, 0, 0, SRCINVERT
);
2063 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2064 mask_dc
, 0, 0, SRCAND
);
2065 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2066 compat_hdc
, 0, 0, SRCINVERT
);
2068 SelectObject (mask_dc
, mask_orig_obj
);
2073 SetTextColor (hdc
, s
->gc
->foreground
);
2074 SetBkColor (hdc
, s
->gc
->background
);
2076 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2077 compat_hdc
, 0, 0, SRCCOPY
);
2079 /* When the image has a mask, we can expect that at
2080 least part of a mouse highlight or a block cursor will
2081 be visible. If the image doesn't have a mask, make
2082 a block cursor visible by drawing a rectangle around
2083 the image. I believe it's looking better if we do
2084 nothing here for mouse-face. */
2085 if (s
->hl
== DRAW_CURSOR
)
2087 int r
= s
->img
->relief
;
2089 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2090 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
2094 SelectObject (hdc
, orig_brush
);
2095 DeleteObject (fg_brush
);
2096 SelectObject (compat_hdc
, orig_obj
);
2097 DeleteDC (compat_hdc
);
2100 w32_draw_rectangle (hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
2101 s
->img
->height
- 1);
2103 SelectObject (hdc
, orig_hdc_obj
);
2108 /* Draw part of the background of glyph string S. X, Y, W, and H
2109 give the rectangle to draw. */
2112 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2113 struct glyph_string
*s
;
2116 #if 0 /* TODO: stipple */
2119 /* Fill background with a stipple pattern. */
2120 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2121 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2122 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2126 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2130 /* Draw image glyph string S.
2133 s->x +-------------------------
2136 | +-------------------------
2139 | | +-------------------
2145 x_draw_image_glyph_string (s
)
2146 struct glyph_string
*s
;
2149 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2150 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2154 height
= s
->height
- 2 * box_line_vwidth
;
2156 /* Fill background with face under the image. Do it only if row is
2157 taller than image or if image has a clip mask to reduce
2159 s
->stippled_p
= s
->face
->stipple
!= 0;
2160 if (height
> s
->img
->height
2164 || s
->img
->pixmap
== 0
2165 || s
->width
!= s
->background_width
)
2167 if (box_line_hwidth
&& s
->first_glyph
->left_box_line_p
)
2168 x
= s
->x
+ box_line_hwidth
;
2172 y
= s
->y
+ box_line_vwidth
;
2173 #if 0 /* TODO: figure out if we need to do this on Windows. */
2176 /* Create a pixmap as large as the glyph string. Fill it
2177 with the background color. Copy the image to it, using
2178 its mask. Copy the temporary pixmap to the display. */
2179 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2180 int depth
= DefaultDepthOfScreen (screen
);
2182 /* Create a pixmap as large as the glyph string. */
2183 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2184 s
->background_width
,
2187 /* Don't clip in the following because we're working on the
2189 XSetClipMask (s
->display
, s
->gc
, None
);
2191 /* Fill the pixmap with the background color/stipple. */
2194 /* Fill background with a stipple pattern. */
2195 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2196 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2197 0, 0, s
->background_width
, s
->height
);
2198 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2203 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2205 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2206 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2207 0, 0, s
->background_width
, s
->height
);
2208 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2213 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2215 s
->background_filled_p
= 1;
2218 /* Draw the foreground. */
2221 w32_draw_image_foreground_1 (s
, pixmap
);
2222 x_set_glyph_string_clipping (s
);
2224 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2225 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2226 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2227 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2229 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2230 SetBkColor (s
->hdc
, s
->gc
->background
);
2231 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2232 compat_hdc
, 0, 0, SRCCOPY
);
2234 SelectObject (s
->hdc
, orig_brush
);
2235 DeleteObject (fg_brush
);
2236 SelectObject (compat_hdc
, orig_obj
);
2237 DeleteDC (compat_hdc
);
2239 DeleteObject (pixmap
);
2243 x_draw_image_foreground (s
);
2245 /* If we must draw a relief around the image, do it. */
2247 || s
->hl
== DRAW_IMAGE_RAISED
2248 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2249 x_draw_image_relief (s
);
2253 /* Draw stretch glyph string S. */
2256 x_draw_stretch_glyph_string (s
)
2257 struct glyph_string
*s
;
2259 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2260 s
->stippled_p
= s
->face
->stipple
!= 0;
2262 if (s
->hl
== DRAW_CURSOR
2263 && !x_stretch_cursor_p
)
2265 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2266 as wide as the stretch glyph. */
2267 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2270 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2272 /* Clear rest using the GC of the original non-cursor face. */
2273 if (width
< s
->background_width
)
2275 XGCValues
*gc
= s
->face
->gc
;
2276 int x
= s
->x
+ width
, y
= s
->y
;
2277 int w
= s
->background_width
- width
, h
= s
->height
;
2281 if (s
->row
->mouse_face_p
2282 && cursor_in_mouse_face_p (s
->w
))
2284 x_set_mouse_face_gc (s
);
2290 get_glyph_string_clip_rect (s
, &r
);
2291 w32_set_clip_rectangle (hdc
, &r
);
2293 #if 0 /* TODO: stipple */
2294 if (s
->face
->stipple
)
2296 /* Fill background with a stipple pattern. */
2297 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2298 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2299 XSetFillStyle (s
->display
, gc
, FillSolid
);
2304 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2308 else if (!s
->background_filled_p
)
2309 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2312 s
->background_filled_p
= 1;
2316 /* Draw glyph string S. */
2319 x_draw_glyph_string (s
)
2320 struct glyph_string
*s
;
2322 int relief_drawn_p
= 0;
2324 /* If S draws into the background of its successor, draw the
2325 background of the successor first so that S can draw into it.
2326 This makes S->next use XDrawString instead of XDrawImageString. */
2327 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2329 xassert (s
->next
->img
== NULL
);
2330 x_set_glyph_string_gc (s
->next
);
2331 x_set_glyph_string_clipping (s
->next
);
2332 x_draw_glyph_string_background (s
->next
, 1);
2335 /* Set up S->gc, set clipping and draw S. */
2336 x_set_glyph_string_gc (s
);
2338 /* Draw relief (if any) in advance for char/composition so that the
2339 glyph string can be drawn over it. */
2340 if (!s
->for_overlaps_p
2341 && s
->face
->box
!= FACE_NO_BOX
2342 && (s
->first_glyph
->type
== CHAR_GLYPH
2343 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2346 x_set_glyph_string_clipping (s
);
2347 x_draw_glyph_string_background (s
, 1);
2348 x_draw_glyph_string_box (s
);
2349 x_set_glyph_string_clipping (s
);
2353 x_set_glyph_string_clipping (s
);
2355 switch (s
->first_glyph
->type
)
2358 x_draw_image_glyph_string (s
);
2362 x_draw_stretch_glyph_string (s
);
2366 if (s
->for_overlaps_p
)
2367 s
->background_filled_p
= 1;
2369 x_draw_glyph_string_background (s
, 0);
2370 x_draw_glyph_string_foreground (s
);
2373 case COMPOSITE_GLYPH
:
2374 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2375 s
->background_filled_p
= 1;
2377 x_draw_glyph_string_background (s
, 1);
2378 x_draw_composite_glyph_string_foreground (s
);
2385 if (!s
->for_overlaps_p
)
2387 /* Draw underline. */
2388 if (s
->face
->underline_p
2389 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2391 unsigned long h
= 1;
2392 unsigned long dy
= s
->height
- h
;
2394 /* TODO: Use font information for positioning and thickness
2395 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
2396 if (s
->face
->underline_defaulted_p
)
2398 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2399 s
->y
+ dy
, s
->width
, 1);
2403 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2404 s
->y
+ dy
, s
->width
, 1);
2408 /* Draw overline. */
2409 if (s
->face
->overline_p
)
2411 unsigned long dy
= 0, h
= 1;
2413 if (s
->face
->overline_color_defaulted_p
)
2415 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2416 s
->y
+ dy
, s
->width
, h
);
2420 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2421 s
->y
+ dy
, s
->width
, h
);
2425 /* Draw strike-through. */
2426 if (s
->face
->strike_through_p
2427 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2429 unsigned long h
= 1;
2430 unsigned long dy
= (s
->height
- h
) / 2;
2432 if (s
->face
->strike_through_color_defaulted_p
)
2434 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2439 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2440 s
->y
+ dy
, s
->width
, h
);
2445 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2446 x_draw_glyph_string_box (s
);
2449 /* Reset clipping. */
2450 w32_set_clip_rectangle (s
->hdc
, NULL
);
2454 /* Shift display to make room for inserted glyphs. */
2457 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2459 int x
, y
, width
, height
, shift_by
;
2463 hdc
= get_frame_dc (f
);
2464 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2465 hdc
, x
, y
, SRCCOPY
);
2467 release_frame_dc (f
, hdc
);
2471 /* Delete N glyphs at the nominal cursor position. Not implemented
2483 f
= SELECTED_FRAME ();
2485 if (! FRAME_W32_P (f
))
2492 /* Clear entire frame. If updating_frame is non-null, clear that
2493 frame. Otherwise clear the selected frame. */
2503 f
= SELECTED_FRAME ();
2505 if (! FRAME_W32_P (f
))
2508 /* Clearing the frame will erase any cursor, so mark them all as no
2510 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2511 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2512 output_cursor
.x
= -1;
2514 /* We don't set the output cursor here because there will always
2515 follow an explicit cursor_to. */
2518 w32_clear_window (f
);
2520 /* We have to clear the scroll bars, too. If we have changed
2521 colors or something like that, then they should be notified. */
2522 x_scroll_bar_clear (f
);
2528 /* Make audible bell. */
2531 w32_ring_bell (void)
2535 f
= SELECTED_FRAME ();
2539 if (FRAME_W32_P (f
) && visible_bell
)
2542 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2544 for (i
= 0; i
< 5; i
++)
2546 FlashWindow (hwnd
, TRUE
);
2549 FlashWindow (hwnd
, FALSE
);
2552 w32_sys_ring_bell ();
2558 /* Specify how many text lines, from the top of the window,
2559 should be affected by insert-lines and delete-lines operations.
2560 This, and those operations, are used only within an update
2561 that is bounded by calls to x_update_begin and x_update_end. */
2564 w32_set_terminal_window (n
)
2567 /* This function intentionally left blank. */
2571 /***********************************************************************
2573 ***********************************************************************/
2575 /* Perform an insert-lines or delete-lines operation, inserting N
2576 lines or deleting -N lines at vertical position VPOS. */
2579 x_ins_del_lines (vpos
, n
)
2587 f
= SELECTED_FRAME ();
2589 if (! FRAME_W32_P (f
))
2596 /* Scroll part of the display as described by RUN. */
2599 x_scroll_run (w
, run
)
2603 struct frame
*f
= XFRAME (w
->frame
);
2604 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2605 HWND hwnd
= FRAME_W32_WINDOW (f
);
2608 /* Get frame-relative bounding box of the text display area of W,
2609 without mode lines. Include in this box the left and right
2611 window_box (w
, -1, &x
, &y
, &width
, &height
);
2613 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2614 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2615 bottom_y
= y
+ height
;
2619 /* Scrolling up. Make sure we don't copy part of the mode
2620 line at the bottom. */
2621 if (from_y
+ run
->height
> bottom_y
)
2622 height
= bottom_y
- from_y
;
2624 height
= run
->height
;
2625 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2629 /* Scolling down. Make sure we don't copy over the mode line.
2631 if (to_y
+ run
->height
> bottom_y
)
2632 height
= bottom_y
- to_y
;
2634 height
= run
->height
;
2635 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2640 /* Cursor off. Will be switched on again in x_update_window_end. */
2647 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2648 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2650 from
.left
= to
.left
= x
;
2651 from
.right
= to
.right
= x
+ width
;
2653 from
.bottom
= from_y
+ height
;
2655 to
.bottom
= bottom_y
;
2657 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2658 NULL
, SW_INVALIDATE
);
2660 /* Combine this with what we expect to be dirty. This covers the
2661 case where not all of the region we expect is actually dirty. */
2662 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2664 /* If the dirty region is not what we expected, redraw the entire frame. */
2665 if (!EqualRgn (combined
, expect_dirty
))
2666 SET_FRAME_GARBAGED (f
);
2674 /***********************************************************************
2676 ***********************************************************************/
2682 x_update_cursor (f
, 1);
2686 frame_unhighlight (f
)
2689 x_update_cursor (f
, 1);
2692 /* The focus has changed. Update the frames as necessary to reflect
2693 the new situation. Note that we can't change the selected frame
2694 here, because the Lisp code we are interrupting might become confused.
2695 Each event gets marked with the frame in which it occurred, so the
2696 Lisp code can tell when the switch took place by examining the events. */
2699 x_new_focus_frame (dpyinfo
, frame
)
2700 struct w32_display_info
*dpyinfo
;
2701 struct frame
*frame
;
2703 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2705 if (frame
!= dpyinfo
->w32_focus_frame
)
2707 /* Set this before calling other routines, so that they see
2708 the correct value of w32_focus_frame. */
2709 dpyinfo
->w32_focus_frame
= frame
;
2711 if (old_focus
&& old_focus
->auto_lower
)
2712 x_lower_frame (old_focus
);
2722 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2723 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2725 pending_autoraise_frame
= 0;
2728 x_frame_rehighlight (dpyinfo
);
2731 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2734 x_mouse_leave (dpyinfo
)
2735 struct w32_display_info
*dpyinfo
;
2737 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2740 /* The focus has changed, or we have redirected a frame's focus to
2741 another frame (this happens when a frame uses a surrogate
2742 mini-buffer frame). Shift the highlight as appropriate.
2744 The FRAME argument doesn't necessarily have anything to do with which
2745 frame is being highlighted or un-highlighted; we only use it to find
2746 the appropriate X display info. */
2749 w32_frame_rehighlight (frame
)
2750 struct frame
*frame
;
2752 if (! FRAME_W32_P (frame
))
2754 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2758 x_frame_rehighlight (dpyinfo
)
2759 struct w32_display_info
*dpyinfo
;
2761 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2763 if (dpyinfo
->w32_focus_frame
)
2765 dpyinfo
->x_highlight_frame
2766 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2767 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2768 : dpyinfo
->w32_focus_frame
);
2769 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2771 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2772 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2776 dpyinfo
->x_highlight_frame
= 0;
2778 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2781 frame_unhighlight (old_highlight
);
2782 if (dpyinfo
->x_highlight_frame
)
2783 frame_highlight (dpyinfo
->x_highlight_frame
);
2787 /* Keyboard processing - modifier keys, etc. */
2789 /* Convert a keysym to its name. */
2792 x_get_keysym_name (keysym
)
2795 /* Make static so we can always return it */
2796 static char value
[100];
2799 GetKeyNameText (keysym
, value
, 100);
2807 /* Mouse clicks and mouse movement. Rah. */
2809 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2810 the state in PUP. XBUTTON provides extra information for extended mouse
2811 button messages. Returns FALSE if unable to parse the message. */
2813 parse_button (message
, xbutton
, pbutton
, pup
)
2824 case WM_LBUTTONDOWN
:
2832 case WM_MBUTTONDOWN
:
2833 if (NILP (Vw32_swap_mouse_buttons
))
2840 if (NILP (Vw32_swap_mouse_buttons
))
2846 case WM_RBUTTONDOWN
:
2847 if (NILP (Vw32_swap_mouse_buttons
))
2854 if (NILP (Vw32_swap_mouse_buttons
))
2860 case WM_XBUTTONDOWN
:
2861 button
= xbutton
+ 2;
2865 button
= xbutton
+ 2;
2873 if (pbutton
) *pbutton
= button
;
2879 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2881 If the event is a button press, then note that we have grabbed
2885 construct_mouse_click (result
, msg
, f
)
2886 struct input_event
*result
;
2893 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2896 /* Make the event type NO_EVENT; we'll change that when we decide
2898 result
->kind
= MOUSE_CLICK_EVENT
;
2899 result
->code
= button
;
2900 result
->timestamp
= msg
->msg
.time
;
2901 result
->modifiers
= (msg
->dwModifiers
2906 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2907 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2908 XSETFRAME (result
->frame_or_window
, f
);
2914 construct_mouse_wheel (result
, msg
, f
)
2915 struct input_event
*result
;
2922 result
->kind
= WHEEL_EVENT
;
2924 result
->timestamp
= msg
->msg
.time
;
2926 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2927 forward, away from the user (up); a negative value indicates that
2928 the wheel was rotated backward, toward the user (down). */
2929 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
2931 /* The up and down modifiers indicate if the wheel was rotated up or
2932 down based on WHEEL_DELTA value. */
2933 result
->modifiers
= (msg
->dwModifiers
2934 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
2936 p
.x
= LOWORD (msg
->msg
.lParam
);
2937 p
.y
= HIWORD (msg
->msg
.lParam
);
2938 ScreenToClient (msg
->msg
.hwnd
, &p
);
2939 XSETINT (result
->x
, p
.x
);
2940 XSETINT (result
->y
, p
.y
);
2941 XSETFRAME (result
->frame_or_window
, f
);
2947 construct_drag_n_drop (result
, msg
, f
)
2948 struct input_event
*result
;
2960 result
->kind
= DRAG_N_DROP_EVENT
;
2962 result
->timestamp
= msg
->msg
.time
;
2963 result
->modifiers
= msg
->dwModifiers
;
2965 hdrop
= (HDROP
) msg
->msg
.wParam
;
2966 DragQueryPoint (hdrop
, &p
);
2969 p
.x
= LOWORD (msg
->msg
.lParam
);
2970 p
.y
= HIWORD (msg
->msg
.lParam
);
2971 ScreenToClient (msg
->msg
.hwnd
, &p
);
2974 XSETINT (result
->x
, p
.x
);
2975 XSETINT (result
->y
, p
.y
);
2977 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
2980 for (i
= 0; i
< num_files
; i
++)
2982 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
2985 name
= alloca (len
+ 1);
2986 DragQueryFile (hdrop
, i
, name
, len
+ 1);
2987 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
2992 XSETFRAME (frame
, f
);
2993 result
->frame_or_window
= Fcons (frame
, files
);
2999 /* Function to report a mouse movement to the mainstream Emacs code.
3000 The input handler calls this.
3002 We have received a mouse movement event, which is given in *event.
3003 If the mouse is over a different glyph than it was last time, tell
3004 the mainstream emacs code by setting mouse_moved. If not, ask for
3005 another motion event, so we can check again the next time it moves. */
3007 static MSG last_mouse_motion_event
;
3008 static Lisp_Object last_mouse_motion_frame
;
3010 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3013 note_mouse_movement (frame
, msg
)
3017 int mouse_x
= LOWORD (msg
->lParam
);
3018 int mouse_y
= HIWORD (msg
->lParam
);
3020 last_mouse_movement_time
= msg
->time
;
3021 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3022 XSETFRAME (last_mouse_motion_frame
, frame
);
3024 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3026 frame
->mouse_moved
= 1;
3027 last_mouse_scroll_bar
= Qnil
;
3028 note_mouse_highlight (frame
, -1, -1);
3031 /* Has the mouse moved off the glyph it was on at the last sighting? */
3032 else if (mouse_x
< last_mouse_glyph
.left
3033 || mouse_x
> last_mouse_glyph
.right
3034 || mouse_y
< last_mouse_glyph
.top
3035 || mouse_y
> last_mouse_glyph
.bottom
)
3037 frame
->mouse_moved
= 1;
3038 last_mouse_scroll_bar
= Qnil
;
3039 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3040 /* Remember the mouse position here, as w32_mouse_position only
3041 gets called when mouse tracking is enabled but we also need
3042 to keep track of the mouse for help_echo and highlighting at
3044 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3049 /************************************************************************
3051 ************************************************************************/
3053 static struct scroll_bar
*x_window_to_scroll_bar ();
3054 static void x_scroll_bar_report_motion ();
3055 static void x_check_fullscreen
P_ ((struct frame
*));
3056 static void x_check_fullscreen_move
P_ ((struct frame
*));
3057 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3061 redo_mouse_highlight ()
3063 if (!NILP (last_mouse_motion_frame
)
3064 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3065 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3066 LOWORD (last_mouse_motion_event
.lParam
),
3067 HIWORD (last_mouse_motion_event
.lParam
));
3071 w32_define_cursor (window
, cursor
)
3075 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3078 /* Try to determine frame pixel position and size of the glyph under
3079 frame pixel coordinates X/Y on frame F . Return the position and
3080 size in *RECT. Value is non-zero if we could compute these
3084 glyph_rect (f
, x
, y
, rect
)
3091 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3095 struct window
*w
= XWINDOW (window
);
3096 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3097 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3099 for (; r
< end
&& r
->enabled_p
; ++r
)
3100 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3102 /* Found the row at y. */
3103 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3104 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3107 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3108 rect
->bottom
= rect
->top
+ r
->height
;
3112 /* x is to the left of the first glyph in the row. */
3113 /* Shouldn't this be a pixel value?
3114 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3116 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3117 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3121 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3122 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3124 /* x is on a glyph. */
3125 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3126 rect
->right
= rect
->left
+ g
->pixel_width
;
3130 /* x is to the right of the last glyph in the row. */
3131 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3132 /* Shouldn't this be a pixel value?
3133 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3135 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3140 /* The y is not on any row. */
3144 /* Record the position of the mouse in last_mouse_glyph. */
3146 remember_mouse_glyph (f1
, gx
, gy
)
3150 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3152 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3153 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3155 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3156 round down even for negative values. */
3162 /* This was the original code from XTmouse_position, but it seems
3163 to give the position of the glyph diagonally next to the one
3164 the mouse is over. */
3165 gx
= (gx
+ width
- 1) / width
* width
;
3166 gy
= (gy
+ height
- 1) / height
* height
;
3168 gx
= gx
/ width
* width
;
3169 gy
= gy
/ height
* height
;
3172 last_mouse_glyph
.left
= gx
;
3173 last_mouse_glyph
.top
= gy
;
3174 last_mouse_glyph
.right
= gx
+ width
;
3175 last_mouse_glyph
.bottom
= gy
+ height
;
3179 /* Return the current position of the mouse.
3180 *fp should be a frame which indicates which display to ask about.
3182 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3183 and *part to the frame, window, and scroll bar part that the mouse
3184 is over. Set *x and *y to the portion and whole of the mouse's
3185 position on the scroll bar.
3187 If the mouse movement started elsewhere, set *fp to the frame the
3188 mouse is on, *bar_window to nil, and *x and *y to the character cell
3191 Set *time to the server time-stamp for the time at which the mouse
3192 was at this position.
3194 Don't store anything if we don't have a valid set of values to report.
3196 This clears the mouse_moved flag, so we can wait for the next mouse
3200 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3203 Lisp_Object
*bar_window
;
3204 enum scroll_bar_part
*part
;
3206 unsigned long *time
;
3212 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3213 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3218 Lisp_Object frame
, tail
;
3220 /* Clear the mouse-moved flag for every frame on this display. */
3221 FOR_EACH_FRAME (tail
, frame
)
3222 XFRAME (frame
)->mouse_moved
= 0;
3224 last_mouse_scroll_bar
= Qnil
;
3228 /* Now we have a position on the root; find the innermost window
3229 containing the pointer. */
3231 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3232 && FRAME_LIVE_P (last_mouse_frame
))
3234 /* If mouse was grabbed on a frame, give coords for that frame
3235 even if the mouse is now outside it. */
3236 f1
= last_mouse_frame
;
3240 /* Is window under mouse one of our frames? */
3241 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3242 WindowFromPoint (pt
));
3245 /* If not, is it one of our scroll bars? */
3248 struct scroll_bar
*bar
3249 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3253 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3257 if (f1
== 0 && insist
> 0)
3258 f1
= SELECTED_FRAME ();
3262 /* Ok, we found a frame. Store all the values.
3263 last_mouse_glyph is a rectangle used to reduce the
3264 generation of mouse events. To not miss any motion
3265 events, we must divide the frame into rectangles of the
3266 size of the smallest character that could be displayed
3267 on it, i.e. into the same rectangles that matrices on
3268 the frame are divided into. */
3270 #if OLD_REDISPLAY_CODE
3271 int ignore1
, ignore2
;
3273 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3275 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3277 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3280 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3281 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3289 *time
= last_mouse_movement_time
;
3298 /***********************************************************************
3300 ***********************************************************************/
3302 /* Handle mouse button event on the tool-bar of frame F, at
3303 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3307 w32_handle_tool_bar_click (f
, button_event
)
3309 struct input_event
*button_event
;
3311 int x
= XFASTINT (button_event
->x
);
3312 int y
= XFASTINT (button_event
->y
);
3314 if (button_event
->modifiers
& down_modifier
)
3315 handle_tool_bar_click (f
, x
, y
, 1, 0);
3317 handle_tool_bar_click (f
, x
, y
, 0,
3318 button_event
->modifiers
& ~up_modifier
);
3323 /***********************************************************************
3325 ***********************************************************************/
3327 /* Scroll bar support. */
3329 /* Given a window ID, find the struct scroll_bar which manages it.
3330 This can be called in GC, so we have to make sure to strip off mark
3333 static struct scroll_bar
*
3334 x_window_to_scroll_bar (window_id
)
3339 for (tail
= Vframe_list
;
3340 XGCTYPE (tail
) == Lisp_Cons
;
3343 Lisp_Object frame
, bar
, condemned
;
3345 frame
= XCAR (tail
);
3346 /* All elements of Vframe_list should be frames. */
3347 if (! GC_FRAMEP (frame
))
3350 /* Scan this frame's scroll bar list for a scroll bar with the
3352 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3353 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3354 /* This trick allows us to search both the ordinary and
3355 condemned scroll bar lists with one loop. */
3356 ! GC_NILP (bar
) || (bar
= condemned
,
3359 bar
= XSCROLL_BAR (bar
)->next
)
3360 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3361 return XSCROLL_BAR (bar
);
3369 /* Set the thumb size and position of scroll bar BAR. We are currently
3370 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3373 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3374 struct scroll_bar
*bar
;
3375 int portion
, position
, whole
;
3377 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3378 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3379 int sb_page
, sb_pos
;
3380 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3384 /* Position scroll bar at rock bottom if the bottom of the
3385 buffer is visible. This avoids shinking the thumb away
3386 to nothing if it is held at the bottom of the buffer. */
3387 if (position
+ portion
>= whole
)
3389 sb_page
= range
* (whole
- position
) / whole
3390 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3394 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3395 sb_pos
= position
* range
/ whole
;
3405 if (pfnSetScrollInfo
)
3409 si
.cbSize
= sizeof (si
);
3410 /* Only update page size if currently dragging, to reduce
3413 si
.fMask
= SIF_PAGE
;
3415 si
.fMask
= SIF_PAGE
| SIF_POS
;
3419 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3422 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3428 /************************************************************************
3429 Scroll bars, general
3430 ************************************************************************/
3433 my_create_scrollbar (f
, bar
)
3435 struct scroll_bar
* bar
;
3437 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3438 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3442 /*#define ATTACH_THREADS*/
3445 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3447 #ifndef ATTACH_THREADS
3448 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3449 (WPARAM
) hwnd
, (LPARAM
) how
);
3451 return ShowWindow (hwnd
, how
);
3456 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3457 int x
, int y
, int cx
, int cy
, UINT flags
)
3459 #ifndef ATTACH_THREADS
3461 pos
.hwndInsertAfter
= hwndAfter
;
3467 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3469 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3474 my_set_focus (f
, hwnd
)
3478 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3483 my_set_foreground_window (hwnd
)
3486 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3490 my_destroy_window (f
, hwnd
)
3494 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3498 /* Create a scroll bar and return the scroll bar vector for it. W is
3499 the Emacs window on which to create the scroll bar. TOP, LEFT,
3500 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3503 static struct scroll_bar
*
3504 x_scroll_bar_create (w
, top
, left
, width
, height
)
3506 int top
, left
, width
, height
;
3508 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3510 struct scroll_bar
*bar
3511 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3515 XSETWINDOW (bar
->window
, w
);
3516 XSETINT (bar
->top
, top
);
3517 XSETINT (bar
->left
, left
);
3518 XSETINT (bar
->width
, width
);
3519 XSETINT (bar
->height
, height
);
3520 XSETINT (bar
->start
, 0);
3521 XSETINT (bar
->end
, 0);
3522 bar
->dragging
= Qnil
;
3524 /* Requires geometry to be set before call to create the real window */
3526 hwnd
= my_create_scrollbar (f
, bar
);
3528 if (pfnSetScrollInfo
)
3532 si
.cbSize
= sizeof (si
);
3535 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3536 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3540 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3544 SetScrollRange (hwnd
, SB_CTL
, 0,
3545 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3546 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3549 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3551 /* Add bar to its frame's list of scroll bars. */
3552 bar
->next
= FRAME_SCROLL_BARS (f
);
3554 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3555 if (! NILP (bar
->next
))
3556 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3564 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3568 x_scroll_bar_remove (bar
)
3569 struct scroll_bar
*bar
;
3571 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3575 /* Destroy the window. */
3576 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3578 /* Disassociate this scroll bar from its window. */
3579 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3584 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3585 that we are displaying PORTION characters out of a total of WHOLE
3586 characters, starting at POSITION. If WINDOW has no scroll bar,
3589 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3591 int portion
, whole
, position
;
3593 struct frame
*f
= XFRAME (w
->frame
);
3594 struct scroll_bar
*bar
;
3595 int top
, height
, left
, sb_left
, width
, sb_width
;
3596 int window_y
, window_height
;
3598 /* Get window dimensions. */
3599 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3601 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3602 height
= window_height
;
3604 /* Compute the left edge of the scroll bar area. */
3605 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3607 /* Compute the width of the scroll bar which might be less than
3608 the width of the area reserved for the scroll bar. */
3609 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3610 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3614 /* Compute the left edge of the scroll bar. */
3615 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3616 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3618 sb_left
= left
+ (width
- sb_width
) / 2;
3620 /* Does the scroll bar exist yet? */
3621 if (NILP (w
->vertical_scroll_bar
))
3625 if (width
> 0 && height
> 0)
3627 hdc
= get_frame_dc (f
);
3628 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3629 release_frame_dc (f
, hdc
);
3633 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3637 /* It may just need to be moved and resized. */
3640 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3641 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3643 /* If already correctly positioned, do nothing. */
3644 if ( XINT (bar
->left
) == sb_left
3645 && XINT (bar
->top
) == top
3646 && XINT (bar
->width
) == sb_width
3647 && XINT (bar
->height
) == height
)
3649 /* Redraw after clear_frame. */
3650 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3651 InvalidateRect (hwnd
, NULL
, FALSE
);
3657 if (width
&& height
)
3659 hdc
= get_frame_dc (f
);
3660 /* Since Windows scroll bars are smaller than the space reserved
3661 for them on the frame, we have to clear "under" them. */
3662 w32_clear_area (f
, hdc
,
3667 release_frame_dc (f
, hdc
);
3669 /* Make sure scroll bar is "visible" before moving, to ensure the
3670 area of the parent window now exposed will be refreshed. */
3671 my_show_window (f
, hwnd
, SW_HIDE
);
3672 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3673 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3674 max (height
, 1), TRUE
);
3675 if (pfnSetScrollInfo
)
3679 si
.cbSize
= sizeof (si
);
3680 si
.fMask
= SIF_RANGE
;
3682 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3683 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3685 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3688 SetScrollRange (hwnd
, SB_CTL
, 0,
3689 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3690 my_show_window (f
, hwnd
, SW_NORMAL
);
3691 /* InvalidateRect (w, NULL, FALSE); */
3693 /* Remember new settings. */
3694 XSETINT (bar
->left
, sb_left
);
3695 XSETINT (bar
->top
, top
);
3696 XSETINT (bar
->width
, sb_width
);
3697 XSETINT (bar
->height
, height
);
3702 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3704 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3708 /* The following three hooks are used when we're doing a thorough
3709 redisplay of the frame. We don't explicitly know which scroll bars
3710 are going to be deleted, because keeping track of when windows go
3711 away is a real pain - "Can you say set-window-configuration, boys
3712 and girls?" Instead, we just assert at the beginning of redisplay
3713 that *all* scroll bars are to be removed, and then save a scroll bar
3714 from the fiery pit when we actually redisplay its window. */
3716 /* Arrange for all scroll bars on FRAME to be removed at the next call
3717 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3718 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3721 w32_condemn_scroll_bars (frame
)
3724 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3725 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3728 bar
= FRAME_SCROLL_BARS (frame
);
3729 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3730 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3731 XSCROLL_BAR (bar
)->prev
= Qnil
;
3732 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3733 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3734 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3739 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3740 Note that WINDOW isn't necessarily condemned at all. */
3743 w32_redeem_scroll_bar (window
)
3744 struct window
*window
;
3746 struct scroll_bar
*bar
;
3749 /* We can't redeem this window's scroll bar if it doesn't have one. */
3750 if (NILP (window
->vertical_scroll_bar
))
3753 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3755 /* Unlink it from the condemned list. */
3756 f
= XFRAME (WINDOW_FRAME (window
));
3757 if (NILP (bar
->prev
))
3759 /* If the prev pointer is nil, it must be the first in one of
3761 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3762 /* It's not condemned. Everything's fine. */
3764 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3765 window
->vertical_scroll_bar
))
3766 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3768 /* If its prev pointer is nil, it must be at the front of
3769 one or the other! */
3773 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3775 if (! NILP (bar
->next
))
3776 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3778 bar
->next
= FRAME_SCROLL_BARS (f
);
3780 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3781 if (! NILP (bar
->next
))
3782 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3785 /* Remove all scroll bars on FRAME that haven't been saved since the
3786 last call to `*condemn_scroll_bars_hook'. */
3789 w32_judge_scroll_bars (f
)
3792 Lisp_Object bar
, next
;
3794 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3796 /* Clear out the condemned list now so we won't try to process any
3797 more events on the hapless scroll bars. */
3798 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3800 for (; ! NILP (bar
); bar
= next
)
3802 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3804 x_scroll_bar_remove (b
);
3807 b
->next
= b
->prev
= Qnil
;
3810 /* Now there should be no references to the condemned scroll bars,
3811 and they should get garbage-collected. */
3814 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3815 is set to something other than NO_EVENT, it is enqueued.
3817 This may be called from a signal handler, so we have to ignore GC
3821 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3822 struct scroll_bar
*bar
;
3824 struct input_event
*emacs_event
;
3826 if (! GC_WINDOWP (bar
->window
))
3829 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3830 emacs_event
->code
= 0;
3831 /* not really meaningful to distinguish up/down */
3832 emacs_event
->modifiers
= msg
->dwModifiers
;
3833 emacs_event
->frame_or_window
= bar
->window
;
3834 emacs_event
->arg
= Qnil
;
3835 emacs_event
->timestamp
= msg
->msg
.time
;
3838 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3840 int dragging
= !NILP (bar
->dragging
);
3842 if (pfnGetScrollInfo
)
3846 si
.cbSize
= sizeof (si
);
3849 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3853 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3855 bar
->dragging
= Qnil
;
3858 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3860 switch (LOWORD (msg
->msg
.wParam
))
3863 emacs_event
->part
= scroll_bar_down_arrow
;
3866 emacs_event
->part
= scroll_bar_up_arrow
;
3869 emacs_event
->part
= scroll_bar_above_handle
;
3872 emacs_event
->part
= scroll_bar_below_handle
;
3875 emacs_event
->part
= scroll_bar_handle
;
3879 emacs_event
->part
= scroll_bar_handle
;
3883 case SB_THUMBPOSITION
:
3884 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3885 y
= HIWORD (msg
->msg
.wParam
);
3887 emacs_event
->part
= scroll_bar_handle
;
3889 /* "Silently" update current position. */
3890 if (pfnSetScrollInfo
)
3894 si
.cbSize
= sizeof (si
);
3897 /* Remember apparent position (we actually lag behind the real
3898 position, so don't set that directly. */
3899 last_scroll_bar_drag_pos
= y
;
3901 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3904 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3907 /* If this is the end of a drag sequence, then reset the scroll
3908 handle size to normal and do a final redraw. Otherwise do
3912 if (pfnSetScrollInfo
)
3915 int start
= XINT (bar
->start
);
3916 int end
= XINT (bar
->end
);
3918 si
.cbSize
= sizeof (si
);
3919 si
.fMask
= SIF_PAGE
| SIF_POS
;
3920 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3921 si
.nPos
= last_scroll_bar_drag_pos
;
3922 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3925 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
3929 emacs_event
->kind
= NO_EVENT
;
3933 XSETINT (emacs_event
->x
, y
);
3934 XSETINT (emacs_event
->y
, top_range
);
3940 /* Return information to the user about the current position of the mouse
3941 on the scroll bar. */
3944 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
3946 Lisp_Object
*bar_window
;
3947 enum scroll_bar_part
*part
;
3949 unsigned long *time
;
3951 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3952 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3953 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3955 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3960 *bar_window
= bar
->window
;
3962 if (pfnGetScrollInfo
)
3966 si
.cbSize
= sizeof (si
);
3967 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3969 pfnGetScrollInfo (w
, SB_CTL
, &si
);
3971 top_range
= si
.nMax
- si
.nPage
+ 1;
3974 pos
= GetScrollPos (w
, SB_CTL
);
3976 switch (LOWORD (last_mouse_scroll_bar_pos
))
3978 case SB_THUMBPOSITION
:
3980 *part
= scroll_bar_handle
;
3981 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3982 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3985 *part
= scroll_bar_handle
;
3989 *part
= scroll_bar_handle
;
3994 XSETINT (*y
, top_range
);
3997 last_mouse_scroll_bar
= Qnil
;
3999 *time
= last_mouse_movement_time
;
4005 /* The screen has been cleared so we may have changed foreground or
4006 background colors, and the scroll bars may need to be redrawn.
4007 Clear out the scroll bars, and ask for expose events, so we can
4011 x_scroll_bar_clear (f
)
4016 /* We can have scroll bars even if this is 0,
4017 if we just turned off scroll bar mode.
4018 But in that case we should not clear them. */
4019 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4020 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4021 bar
= XSCROLL_BAR (bar
)->next
)
4023 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4024 HDC hdc
= GetDC (window
);
4027 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4028 arranges to refresh the scroll bar if hidden. */
4029 my_show_window (f
, window
, SW_HIDE
);
4031 GetClientRect (window
, &rect
);
4032 select_palette (f
, hdc
);
4033 w32_clear_rect (f
, hdc
, &rect
);
4034 deselect_palette (f
, hdc
);
4036 ReleaseDC (window
, hdc
);
4041 /* The main W32 event-reading loop - w32_read_socket. */
4043 /* Record the last 100 characters stored
4044 to help debug the loss-of-chars-during-GC problem. */
4046 static int temp_index
;
4047 static short temp_buffer
[100];
4050 /* Read events coming from the W32 shell.
4051 This routine is called by the SIGIO handler.
4052 We return as soon as there are no more events to be read.
4054 Events representing keys are stored in buffer BUFP,
4055 which can hold up to NUMCHARS characters.
4056 We return the number of characters stored into the buffer,
4057 thus pretending to be `read'.
4059 EXPECTED is nonzero if the caller knows input is available.
4061 Some of these messages are reposted back to the message queue since the
4062 system calls the windows proc directly in a context where we cannot return
4063 the data nor can we guarantee the state we are in. So if we dispatch them
4064 we will get into an infinite loop. To prevent this from ever happening we
4065 will set a variable to indicate we are in the read_socket call and indicate
4066 which message we are processing since the windows proc gets called
4067 recursively with different messages by the system.
4071 w32_read_socket (sd
, bufp
, numchars
, expected
)
4073 /* register */ struct input_event
*bufp
;
4074 /* register */ int numchars
;
4078 int check_visibility
= 0;
4081 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4083 if (interrupt_input_blocked
)
4085 interrupt_input_pending
= 1;
4089 interrupt_input_pending
= 0;
4092 /* So people can tell when we have read the available input. */
4093 input_signal_count
++;
4096 abort (); /* Don't think this happens. */
4098 /* TODO: tool-bars, ghostscript integration, mouse
4100 while (get_next_msg (&msg
, FALSE
))
4102 switch (msg
.msg
.message
)
4105 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4109 if (msg
.rect
.right
== msg
.rect
.left
||
4110 msg
.rect
.bottom
== msg
.rect
.top
)
4112 /* We may get paint messages even though the client
4113 area is clipped - these are not expose events. */
4114 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4117 else if (f
->async_visible
!= 1)
4119 /* Definitely not obscured, so mark as visible. */
4120 f
->async_visible
= 1;
4121 f
->async_iconified
= 0;
4122 SET_FRAME_GARBAGED (f
);
4123 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4126 /* WM_PAINT serves as MapNotify as well, so report
4127 visibility changes properly. */
4130 bufp
->kind
= DEICONIFY_EVENT
;
4131 XSETFRAME (bufp
->frame_or_window
, f
);
4137 else if (! NILP (Vframe_list
)
4138 && ! NILP (XCDR (Vframe_list
)))
4139 /* Force a redisplay sooner or later to update the
4140 frame titles in case this is the second frame. */
4141 record_asynch_buffer_change ();
4145 HDC hdc
= get_frame_dc (f
);
4147 /* Erase background again for safety. */
4148 w32_clear_rect (f
, hdc
, &msg
.rect
);
4149 release_frame_dc (f
, hdc
);
4153 msg
.rect
.right
- msg
.rect
.left
,
4154 msg
.rect
.bottom
- msg
.rect
.top
);
4159 case WM_INPUTLANGCHANGE
:
4160 /* Generate a language change event. */
4161 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4168 bufp
->kind
= LANGUAGE_CHANGE_EVENT
;
4169 XSETFRAME (bufp
->frame_or_window
, f
);
4171 bufp
->code
= msg
.msg
.wParam
;
4172 bufp
->modifiers
= msg
.msg
.lParam
& 0xffff;
4181 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4183 if (f
&& !f
->iconified
)
4185 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4187 dpyinfo
->mouse_face_hidden
= 1;
4188 clear_mouse_face (dpyinfo
);
4191 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4193 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4194 bufp
->kind
= NON_ASCII_KEYSTROKE_EVENT
;
4195 bufp
->code
= msg
.msg
.wParam
;
4196 bufp
->modifiers
= msg
.dwModifiers
;
4197 XSETFRAME (bufp
->frame_or_window
, f
);
4199 bufp
->timestamp
= msg
.msg
.time
;
4208 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4210 if (f
&& !f
->iconified
)
4212 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4214 dpyinfo
->mouse_face_hidden
= 1;
4215 clear_mouse_face (dpyinfo
);
4218 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4220 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4221 bufp
->kind
= ASCII_KEYSTROKE_EVENT
;
4222 bufp
->code
= msg
.msg
.wParam
;
4223 bufp
->modifiers
= msg
.dwModifiers
;
4224 XSETFRAME (bufp
->frame_or_window
, f
);
4226 bufp
->timestamp
= msg
.msg
.time
;
4234 /* Ignore non-movement. */
4236 int x
= LOWORD (msg
.msg
.lParam
);
4237 int y
= HIWORD (msg
.msg
.lParam
);
4238 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4240 last_mousemove_x
= x
;
4241 last_mousemove_y
= y
;
4244 previous_help_echo_string
= help_echo_string
;
4246 if (dpyinfo
->grabbed
&& last_mouse_frame
4247 && FRAME_LIVE_P (last_mouse_frame
))
4248 f
= last_mouse_frame
;
4250 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4252 if (dpyinfo
->mouse_face_hidden
)
4254 dpyinfo
->mouse_face_hidden
= 0;
4255 clear_mouse_face (dpyinfo
);
4260 /* Generate SELECT_WINDOW_EVENTs when needed. */
4261 if (mouse_autoselect_window
)
4264 int x
= LOWORD (msg
.msg
.lParam
);
4265 int y
= HIWORD (msg
.msg
.lParam
);
4267 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4269 /* Window will be selected only when it is not
4270 selected now and last mouse movement event was
4271 not in it. Minibuffer window will be selected
4272 iff it is active. */
4274 && !EQ (window
, last_window
)
4275 && !EQ (window
, selected_window
)
4278 bufp
->kind
= SELECT_WINDOW_EVENT
;
4279 bufp
->frame_or_window
= window
;
4281 ++bufp
, ++count
, --numchars
;
4286 note_mouse_movement (f
, &msg
.msg
);
4290 /* If we move outside the frame, then we're
4291 certainly no longer on any text in the frame. */
4292 clear_mouse_face (dpyinfo
);
4295 /* If the contents of the global variable help_echo_string
4296 has changed, generate a HELP_EVENT. */
4297 if (help_echo_string
!= previous_help_echo_string
||
4298 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4303 if (help_echo_string
== Qnil
)
4305 help_echo_object
= help_echo_window
= Qnil
;
4310 XSETFRAME (frame
, f
);
4314 any_help_event_p
= 1;
4315 n
= gen_help_event (bufp
, numchars
, help_echo_string
, frame
,
4316 help_echo_window
, help_echo_object
,
4318 bufp
+= n
, count
+= n
, numchars
-= n
;
4322 case WM_LBUTTONDOWN
:
4324 case WM_MBUTTONDOWN
:
4326 case WM_RBUTTONDOWN
:
4328 case WM_XBUTTONDOWN
:
4331 /* If we decide we want to generate an event to be seen
4332 by the rest of Emacs, we put it here. */
4333 struct input_event emacs_event
;
4338 emacs_event
.kind
= NO_EVENT
;
4340 if (dpyinfo
->grabbed
&& last_mouse_frame
4341 && FRAME_LIVE_P (last_mouse_frame
))
4342 f
= last_mouse_frame
;
4344 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4348 construct_mouse_click (&emacs_event
, &msg
, f
);
4350 /* Is this in the tool-bar? */
4351 if (WINDOWP (f
->tool_bar_window
)
4352 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4355 int x
= XFASTINT (emacs_event
.x
);
4356 int y
= XFASTINT (emacs_event
.y
);
4358 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4360 if (EQ (window
, f
->tool_bar_window
))
4362 w32_handle_tool_bar_click (f
, &emacs_event
);
4368 if (!dpyinfo
->w32_focus_frame
4369 || f
== dpyinfo
->w32_focus_frame
4372 construct_mouse_click (bufp
, &msg
, f
);
4379 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4384 dpyinfo
->grabbed
&= ~ (1 << button
);
4388 dpyinfo
->grabbed
|= (1 << button
);
4389 last_mouse_frame
= f
;
4390 /* Ignore any mouse motion that happened
4391 before this event; any subsequent mouse-movement
4392 Emacs events should reflect only motion after
4398 last_tool_bar_item
= -1;
4405 if (dpyinfo
->grabbed
&& last_mouse_frame
4406 && FRAME_LIVE_P (last_mouse_frame
))
4407 f
= last_mouse_frame
;
4409 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4414 if ((!dpyinfo
->w32_focus_frame
4415 || f
== dpyinfo
->w32_focus_frame
)
4418 /* Emit an Emacs wheel-up/down event. */
4419 construct_mouse_wheel (bufp
, &msg
, f
);
4424 /* Ignore any mouse motion that happened before this
4425 event; any subsequent mouse-movement Emacs events
4426 should reflect only motion after the
4430 last_mouse_frame
= f
;
4431 last_tool_bar_item
= -1;
4436 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4440 construct_drag_n_drop (bufp
, &msg
, f
);
4449 struct scroll_bar
*bar
=
4450 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4452 if (bar
&& numchars
>= 1)
4454 if (w32_scroll_bar_handle_click (bar
, &msg
, bufp
))
4464 case WM_WINDOWPOSCHANGED
:
4465 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4468 x_check_fullscreen_move(f
);
4469 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4470 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4472 check_visibility
= 1;
4476 case WM_ACTIVATEAPP
:
4477 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4479 x_check_fullscreen (f
);
4480 check_visibility
= 1;
4484 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4486 if (f
&& !f
->async_iconified
)
4490 x_real_positions (f
, &x
, &y
);
4495 check_visibility
= 1;
4499 /* wParam non-zero means Window is about to be shown, 0 means
4500 about to be hidden. */
4501 /* Redo the mouse-highlight after the tooltip has gone. */
4502 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4505 redo_mouse_highlight ();
4508 /* If window has been obscured or exposed by another window
4509 being maximised or minimised/restored, then recheck
4510 visibility of all frames. Direct changes to our own
4511 windows get handled by WM_SIZE. */
4513 if (msg
.msg
.lParam
!= 0)
4514 check_visibility
= 1;
4517 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4518 f
->async_visible
= msg
.msg
.wParam
;
4522 check_visibility
= 1;
4526 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4528 /* Inform lisp of whether frame has been iconified etc. */
4531 switch (msg
.msg
.wParam
)
4533 case SIZE_MINIMIZED
:
4534 f
->async_visible
= 0;
4535 f
->async_iconified
= 1;
4537 bufp
->kind
= ICONIFY_EVENT
;
4538 XSETFRAME (bufp
->frame_or_window
, f
);
4545 case SIZE_MAXIMIZED
:
4547 f
->async_visible
= 1;
4548 f
->async_iconified
= 0;
4550 /* wait_reading_process_input will notice this and update
4551 the frame's display structures. */
4552 SET_FRAME_GARBAGED (f
);
4558 /* Reset top and left positions of the Window
4559 here since Windows sends a WM_MOVE message
4560 BEFORE telling us the Window is minimized
4561 when the Window is iconified, with 3000,3000
4563 x_real_positions (f
, &x
, &y
);
4567 bufp
->kind
= DEICONIFY_EVENT
;
4568 XSETFRAME (bufp
->frame_or_window
, f
);
4574 else if (! NILP (Vframe_list
)
4575 && ! NILP (XCDR (Vframe_list
)))
4576 /* Force a redisplay sooner or later
4577 to update the frame titles
4578 in case this is the second frame. */
4579 record_asynch_buffer_change ();
4584 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4592 GetClientRect (msg
.msg
.hwnd
, &rect
);
4594 height
= rect
.bottom
- rect
.top
;
4595 width
= rect
.right
- rect
.left
;
4597 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4598 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4600 /* TODO: Clip size to the screen dimensions. */
4602 /* Even if the number of character rows and columns has
4603 not changed, the font size may have changed, so we need
4604 to check the pixel dimensions as well. */
4606 if (columns
!= FRAME_COLS (f
)
4607 || rows
!= FRAME_LINES (f
)
4608 || width
!= FRAME_PIXEL_WIDTH (f
)
4609 || height
!= FRAME_PIXEL_HEIGHT (f
))
4611 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4612 SET_FRAME_GARBAGED (f
);
4613 cancel_mouse_face (f
);
4614 FRAME_PIXEL_WIDTH (f
) = width
;
4615 FRAME_PIXEL_HEIGHT (f
) = height
;
4616 f
->win_gravity
= NorthWestGravity
;
4620 check_visibility
= 1;
4624 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4627 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4629 /* If we move outside the frame, then we're
4630 certainly no longer on any text in the frame. */
4631 clear_mouse_face (dpyinfo
);
4632 dpyinfo
->mouse_face_mouse_frame
= 0;
4635 /* Generate a nil HELP_EVENT to cancel a help-echo.
4636 Do it only if there's something to cancel.
4637 Otherwise, the startup message is cleared when
4638 the mouse leaves the frame. */
4639 if (any_help_event_p
)
4644 XSETFRAME (frame
, f
);
4645 help_echo_string
= Qnil
;
4646 n
= gen_help_event (bufp
, numchars
,
4647 Qnil
, frame
, Qnil
, Qnil
, 0);
4648 bufp
+= n
, count
+= n
, numchars
-= n
;
4654 /* TODO: Port this change:
4655 2002-06-28 Jan D. <jan.h.d@swipnet.se>
4656 * xterm.h (struct x_output): Add focus_state.
4657 * xterm.c (x_focus_changed): New function.
4658 (x_detect_focus_change): New function.
4659 (XTread_socket): Call x_detect_focus_change for FocusIn/FocusOut
4660 EnterNotify and LeaveNotify to track X focus changes.
4662 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4664 dpyinfo
->w32_focus_event_frame
= f
;
4667 x_new_focus_frame (dpyinfo
, f
);
4670 dpyinfo
->grabbed
= 0;
4671 check_visibility
= 1;
4675 /* TODO: some of this belongs in MOUSE_LEAVE */
4676 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4680 if (f
== dpyinfo
->w32_focus_event_frame
)
4681 dpyinfo
->w32_focus_event_frame
= 0;
4683 if (f
== dpyinfo
->w32_focus_frame
)
4684 x_new_focus_frame (dpyinfo
, 0);
4686 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4688 /* If we move outside the frame, then we're
4689 certainly no longer on any text in the frame. */
4690 clear_mouse_face (dpyinfo
);
4691 dpyinfo
->mouse_face_mouse_frame
= 0;
4694 /* Generate a nil HELP_EVENT to cancel a help-echo.
4695 Do it only if there's something to cancel.
4696 Otherwise, the startup message is cleared when
4697 the mouse leaves the frame. */
4698 if (any_help_event_p
)
4703 XSETFRAME (frame
, f
);
4704 help_echo_string
= Qnil
;
4705 n
= gen_help_event (bufp
, numchars
,
4706 Qnil
, frame
, Qnil
, Qnil
, 0);
4707 bufp
+= n
, count
+= n
, numchars
-=n
;
4711 dpyinfo
->grabbed
= 0;
4712 check_visibility
= 1;
4716 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4723 bufp
->kind
= DELETE_WINDOW_EVENT
;
4724 XSETFRAME (bufp
->frame_or_window
, f
);
4733 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4740 bufp
->kind
= MENU_BAR_ACTIVATE_EVENT
;
4741 XSETFRAME (bufp
->frame_or_window
, f
);
4750 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4754 extern void menubar_selection_callback
4755 (FRAME_PTR f
, void * client_data
);
4756 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4759 check_visibility
= 1;
4762 case WM_DISPLAYCHANGE
:
4763 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4767 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4768 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4769 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4770 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4774 check_visibility
= 1;
4778 /* Check for messages registered at runtime. */
4779 if (msg
.msg
.message
== msh_mousewheel
)
4781 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4782 msg
.msg
.message
= WM_MOUSEWHEEL
;
4789 /* If the focus was just given to an autoraising frame,
4791 /* ??? This ought to be able to handle more than one such frame. */
4792 if (pending_autoraise_frame
)
4794 x_raise_frame (pending_autoraise_frame
);
4795 pending_autoraise_frame
= 0;
4798 /* Check which frames are still visisble, if we have enqueued any user
4799 events or been notified of events that may affect visibility. We
4800 do this here because there doesn't seem to be any direct
4801 notification from Windows that the visibility of a window has
4802 changed (at least, not in all cases). */
4803 if (count
> 0 || check_visibility
)
4805 Lisp_Object tail
, frame
;
4807 FOR_EACH_FRAME (tail
, frame
)
4809 FRAME_PTR f
= XFRAME (frame
);
4810 /* The tooltip has been drawn already. Avoid the
4811 SET_FRAME_GARBAGED below. */
4812 if (EQ (frame
, tip_frame
))
4815 /* Check "visible" frames and mark each as obscured or not.
4816 Note that async_visible is nonzero for unobscured and
4817 obscured frames, but zero for hidden and iconified frames. */
4818 if (FRAME_W32_P (f
) && f
->async_visible
)
4824 /* Query clipping rectangle for the entire window area
4825 (GetWindowDC), not just the client portion (GetDC).
4826 Otherwise, the scrollbars and menubar aren't counted as
4827 part of the visible area of the frame, and we may think
4828 the frame is obscured when really a scrollbar is still
4829 visible and gets WM_PAINT messages above. */
4830 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4831 GetClipBox (hdc
, &clipbox
);
4832 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4835 if (clipbox
.right
== clipbox
.left
4836 || clipbox
.bottom
== clipbox
.top
)
4838 /* Frame has become completely obscured so mark as
4839 such (we do this by setting async_visible to 2 so
4840 that FRAME_VISIBLE_P is still true, but redisplay
4842 f
->async_visible
= 2;
4844 if (!FRAME_OBSCURED_P (f
))
4846 DebPrint (("frame %p (%s) obscured\n", f
,
4852 /* Frame is not obscured, so mark it as such. */
4853 f
->async_visible
= 1;
4855 if (FRAME_OBSCURED_P (f
))
4857 SET_FRAME_GARBAGED (f
);
4858 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4861 /* Force a redisplay sooner or later. */
4862 record_asynch_buffer_change ();
4876 /***********************************************************************
4878 ***********************************************************************/
4880 /* Set clipping for output in glyph row ROW. W is the window in which
4881 we operate. GC is the graphics context to set clipping in.
4883 ROW may be a text row or, e.g., a mode line. Text rows must be
4884 clipped to the interior of the window dedicated to text display,
4885 mode lines must be clipped to the whole window. */
4888 w32_clip_to_row (w
, row
, hdc
)
4890 struct glyph_row
*row
;
4893 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4895 int window_y
, window_width
;
4897 window_box (w
, -1, 0, &window_y
, &window_width
, 0);
4899 clip_rect
.left
= WINDOW_TO_FRAME_PIXEL_X (w
, 0);
4900 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4901 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4902 clip_rect
.right
= clip_rect
.left
+ window_width
;
4903 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4905 w32_set_clip_rectangle (hdc
, &clip_rect
);
4909 /* Draw a hollow box cursor on window W in glyph row ROW. */
4912 x_draw_hollow_cursor (w
, row
)
4914 struct glyph_row
*row
;
4916 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4920 struct glyph
*cursor_glyph
;
4921 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4923 /* Compute frame-relative coordinates from window-relative
4925 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4926 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
4927 + row
->ascent
- w
->phys_cursor_ascent
);
4928 rect
.bottom
= rect
.top
+ row
->height
;
4930 /* Get the glyph the cursor is on. If we can't tell because
4931 the current matrix is invalid or such, give up. */
4932 cursor_glyph
= get_phys_cursor_glyph (w
);
4933 if (cursor_glyph
== NULL
)
4936 /* Compute the width of the rectangle to draw. If on a stretch
4937 glyph, and `x-stretch-block-cursor' is nil, don't draw a
4938 rectangle as wide as the glyph, but use a canonical character
4940 wd
= cursor_glyph
->pixel_width
;
4941 if (cursor_glyph
->type
== STRETCH_GLYPH
4942 && !x_stretch_cursor_p
)
4943 wd
= min (FRAME_COLUMN_WIDTH (f
), wd
);
4944 w
->phys_cursor_width
= wd
;
4946 rect
.right
= rect
.left
+ wd
;
4947 hdc
= get_frame_dc (f
);
4948 /* Set clipping, draw the rectangle, and reset clipping again. */
4949 w32_clip_to_row (w
, row
, hdc
);
4950 FrameRect (hdc
, &rect
, hb
);
4952 w32_set_clip_rectangle (hdc
, NULL
);
4953 release_frame_dc (f
, hdc
);
4957 /* Draw a bar cursor on window W in glyph row ROW.
4959 Implementation note: One would like to draw a bar cursor with an
4960 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4961 Unfortunately, I didn't find a font yet that has this property set.
4965 x_draw_bar_cursor (w
, row
, width
, kind
)
4967 struct glyph_row
*row
;
4969 enum text_cursor_kinds kind
;
4971 struct frame
*f
= XFRAME (w
->frame
);
4972 struct glyph
*cursor_glyph
;
4976 /* If cursor is out of bounds, don't draw garbage. This can happen
4977 in mini-buffer windows when switching between echo area glyphs
4979 cursor_glyph
= get_phys_cursor_glyph (w
);
4980 if (cursor_glyph
== NULL
)
4983 /* If on an image, draw like a normal cursor. That's usually better
4984 visible than drawing a bar, esp. if the image is large so that
4985 the bar might not be in the window. */
4986 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4988 struct glyph_row
*row
;
4989 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4990 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4994 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4995 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4997 /* If the glyph's background equals the color we normally draw
4998 the bar cursor in, the bar cursor in its normal color is
4999 invisible. Use the glyph's foreground color instead in this
5000 case, on the assumption that the glyph's colors are chosen so
5001 that the glyph is legible. */
5002 if (face
->background
== cursor_color
)
5003 cursor_color
= face
->foreground
;
5005 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5008 width
= FRAME_CURSOR_WIDTH (f
);
5009 width
= min (cursor_glyph
->pixel_width
, width
);
5011 w
->phys_cursor_width
= width
;
5014 hdc
= get_frame_dc (f
);
5015 w32_clip_to_row (w
, row
, hdc
);
5017 if (kind
== BAR_CURSOR
)
5019 w32_fill_area (f
, hdc
, cursor_color
, x
,
5020 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5021 width
, row
->height
);
5025 w32_fill_area (f
, hdc
, cursor_color
, x
,
5026 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5027 row
->height
- width
),
5028 cursor_glyph
->pixel_width
, width
);
5031 w32_set_clip_rectangle (hdc
, NULL
);
5032 release_frame_dc (f
, hdc
);
5037 /* RIF: Define cursor CURSOR on frame F. */
5040 w32_define_frame_cursor (f
, cursor
)
5044 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5048 /* RIF: Clear area on frame F. */
5051 w32_clear_frame_area (f
, x
, y
, width
, height
)
5053 int x
, y
, width
, height
;
5057 hdc
= get_frame_dc (f
);
5058 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5059 release_frame_dc (f
, hdc
);
5062 /* RIF: Draw or clear cursor on window W. */
5065 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5067 struct glyph_row
*glyph_row
;
5069 int cursor_type
, cursor_width
;
5074 /* If the user wants to use the system caret, make sure our own
5075 cursor remains invisible. */
5076 if (w32_use_visible_system_caret
)
5078 if (w
->phys_cursor_type
!= NO_CURSOR
)
5079 erase_phys_cursor (w
);
5081 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5082 w
->phys_cursor_width
= -1;
5086 w
->phys_cursor_type
= cursor_type
;
5089 w
->phys_cursor_on_p
= 1;
5091 /* If this is the active cursor, we need to track it with the
5092 system caret, so third party software like screen magnifiers
5093 and speech synthesizers can follow the cursor. */
5096 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5097 HWND hwnd
= FRAME_W32_WINDOW (f
);
5100 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5102 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5103 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5105 /* If the size of the active cursor changed, destroy the old
5107 if (w32_system_caret_hwnd
5108 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5109 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5111 w32_system_caret_height
= w
->phys_cursor_height
;
5113 /* Move the system caret. */
5114 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5117 switch (cursor_type
)
5119 case HOLLOW_BOX_CURSOR
:
5120 x_draw_hollow_cursor (w
, glyph_row
);
5123 case FILLED_BOX_CURSOR
:
5124 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5128 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5132 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5136 w
->phys_cursor_width
= 0;
5150 x_bitmap_icon (f
, icon
)
5156 if (FRAME_W32_WINDOW (f
) == 0)
5160 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5161 else if (STRINGP (icon
))
5162 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5163 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5164 else if (SYMBOLP (icon
))
5168 if (EQ (icon
, intern ("application")))
5169 name
= (LPCTSTR
) IDI_APPLICATION
;
5170 else if (EQ (icon
, intern ("hand")))
5171 name
= (LPCTSTR
) IDI_HAND
;
5172 else if (EQ (icon
, intern ("question")))
5173 name
= (LPCTSTR
) IDI_QUESTION
;
5174 else if (EQ (icon
, intern ("exclamation")))
5175 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5176 else if (EQ (icon
, intern ("asterisk")))
5177 name
= (LPCTSTR
) IDI_ASTERISK
;
5178 else if (EQ (icon
, intern ("winlogo")))
5179 name
= (LPCTSTR
) IDI_WINLOGO
;
5183 hicon
= LoadIcon (NULL
, name
);
5191 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5198 /************************************************************************
5200 ************************************************************************/
5202 /* Display Error Handling functions not used on W32. Listing them here
5203 helps diff stay in step when comparing w32term.c with xterm.c.
5205 x_error_catcher (display, error)
5206 x_catch_errors (dpy)
5207 x_catch_errors_unwind (old_val)
5208 x_check_errors (dpy, format)
5209 x_had_errors_p (dpy)
5210 x_clear_errors (dpy)
5211 x_uncatch_errors (dpy, count)
5213 x_connection_signal (signalnum)
5214 x_connection_closed (dpy, error_message)
5215 x_error_quitter (display, error)
5216 x_error_handler (display, error)
5217 x_io_error_quitter (display)
5222 /* Changing the font of the frame. */
5224 /* Give frame F the font named FONTNAME as its default font, and
5225 return the full name of that font. FONTNAME may be a wildcard
5226 pattern; in that case, we choose some font that fits the pattern.
5227 The return value shows which font we chose. */
5230 x_new_font (f
, fontname
)
5232 register char *fontname
;
5234 struct font_info
*fontp
5235 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5240 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5241 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5242 FRAME_FONTSET (f
) = -1;
5244 FRAME_COLUMN_WIDTH (f
) = FONT_WIDTH (FRAME_FONT (f
));
5245 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5247 compute_fringe_widths (f
, 1);
5249 /* Compute the scroll bar width in character columns. */
5250 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5252 int wid
= FRAME_COLUMN_WIDTH (f
);
5253 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5254 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5258 int wid
= FRAME_COLUMN_WIDTH (f
);
5259 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5262 /* Now make the frame display the given font. */
5263 if (FRAME_W32_WINDOW (f
) != 0)
5265 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5266 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5269 return build_string (fontp
->full_name
);
5272 /* Give frame F the fontset named FONTSETNAME as its default font, and
5273 return the full name of that fontset. FONTSETNAME may be a wildcard
5274 pattern; in that case, we choose some fontset that fits the pattern.
5275 The return value shows which fontset we chose. */
5278 x_new_fontset (f
, fontsetname
)
5282 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5288 if (FRAME_FONTSET (f
) == fontset
)
5289 /* This fontset is already set in frame F. There's nothing more
5291 return fontset_name (fontset
);
5293 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5295 if (!STRINGP (result
))
5296 /* Can't load ASCII font. */
5299 /* Since x_new_font doesn't update any fontset information, do it now. */
5300 FRAME_FONTSET(f
) = fontset
;
5302 return build_string (fontsetname
);
5306 /***********************************************************************
5307 TODO: W32 Input Methods
5308 ***********************************************************************/
5309 /* Listing missing functions from xterm.c helps diff stay in step.
5311 xim_destroy_callback (xim, client_data, call_data)
5312 xim_open_dpy (dpyinfo, resource_name)
5314 xim_instantiate_callback (display, client_data, call_data)
5315 xim_initialize (dpyinfo, resource_name)
5316 xim_close_dpy (dpyinfo)
5321 /* Calculate the absolute position in frame F
5322 from its current recorded position values and gravity. */
5325 x_calc_absolute_position (f
)
5329 int flags
= f
->size_hint_flags
;
5333 /* Find the position of the outside upper-left corner of
5334 the inner window, with respect to the outer window.
5335 But do this only if we will need the results. */
5336 if (f
->output_data
.w32
->parent_desc
!= FRAME_W32_DISPLAY_INFO (f
)->root_window
)
5339 MapWindowPoints (FRAME_W32_WINDOW (f
),
5340 f
->output_data
.w32
->parent_desc
,
5347 rt
.left
= rt
.right
= rt
.top
= rt
.bottom
= 0;
5350 AdjustWindowRect(&rt
, f
->output_data
.w32
->dwStyle
,
5351 FRAME_EXTERNAL_MENU_BAR (f
));
5354 pt
.x
+= (rt
.right
- rt
.left
);
5355 pt
.y
+= (rt
.bottom
- rt
.top
);
5358 /* Treat negative positions as relative to the leftmost bottommost
5359 position that fits on the screen. */
5360 if (flags
& XNegative
)
5361 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5362 - 2 * f
->border_width
- pt
.x
5363 - FRAME_PIXEL_WIDTH (f
)
5366 if (flags
& YNegative
)
5367 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5368 - 2 * f
->border_width
- pt
.y
5369 - FRAME_PIXEL_HEIGHT (f
)
5371 /* The left_pos and top_pos
5372 are now relative to the top and left screen edges,
5373 so the flags should correspond. */
5374 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5377 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5378 to really change the position, and 0 when calling from
5379 x_make_frame_visible (in that case, XOFF and YOFF are the current
5380 position values). It is -1 when calling from x_set_frame_parameters,
5381 which means, do adjust for borders but don't change the gravity. */
5384 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5386 register int xoff
, yoff
;
5389 int modified_top
, modified_left
;
5391 if (change_gravity
> 0)
5395 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5397 f
->size_hint_flags
|= XNegative
;
5399 f
->size_hint_flags
|= YNegative
;
5400 f
->win_gravity
= NorthWestGravity
;
5402 x_calc_absolute_position (f
);
5405 x_wm_set_size_hint (f
, (long) 0, 0);
5407 modified_left
= f
->left_pos
;
5408 modified_top
= f
->top_pos
;
5410 my_set_window_pos (FRAME_W32_WINDOW (f
),
5412 modified_left
, modified_top
,
5414 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5419 /* Check if we need to resize the frame due to a fullscreen request.
5420 If so needed, resize the frame. */
5422 x_check_fullscreen (f
)
5425 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5427 int width
, height
, ign
;
5429 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5431 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5433 /* We do not need to move the window, it shall be taken care of
5434 when setting WM manager hints.
5435 If the frame is visible already, the position is checked by
5436 x_check_fullscreen_move. */
5437 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5439 change_frame_size (f
, height
, width
, 0, 1, 0);
5440 SET_FRAME_GARBAGED (f
);
5441 cancel_mouse_face (f
);
5443 /* Wait for the change of frame size to occur */
5444 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5449 /* If frame parameters are set after the frame is mapped, we need to move
5450 the window. This is done in xfns.c.
5451 Some window managers moves the window to the right position, some
5452 moves the outer window manager window to the specified position.
5453 Here we check that we are in the right spot. If not, make a second
5454 move, assuming we are dealing with the second kind of window manager. */
5456 x_check_fullscreen_move (f
)
5459 if (f
->want_fullscreen
& FULLSCREEN_MOVE_WAIT
)
5461 int expect_top
= f
->top_pos
;
5462 int expect_left
= f
->left_pos
;
5464 if (f
->want_fullscreen
& FULLSCREEN_HEIGHT
)
5466 if (f
->want_fullscreen
& FULLSCREEN_WIDTH
)
5469 if (expect_top
!= f
->top_pos
5470 || expect_left
!= f
->left_pos
)
5471 x_set_offset (f
, expect_left
, expect_top
, 1);
5473 /* Just do this once */
5474 f
->want_fullscreen
&= ~FULLSCREEN_MOVE_WAIT
;
5479 /* Call this to change the size of frame F's x-window.
5480 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5481 for this size change and subsequent size changes.
5482 Otherwise we leave the window gravity unchanged. */
5485 x_set_window_size (f
, change_gravity
, cols
, rows
)
5490 int pixelwidth
, pixelheight
;
5494 check_frame_size (f
, &rows
, &cols
);
5495 f
->scroll_bar_actual_width
5496 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5498 compute_fringe_widths (f
, 0);
5500 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5501 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5503 f
->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 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5539 FRAME_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
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5571 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5573 if (pix_x
< 0) pix_x
= 0;
5574 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5576 if (pix_y
< 0) pix_y
= 0;
5577 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_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
->left_pos
, f
->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
, FRAME_COLUMN_WIDTH (f
));
5934 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5935 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5936 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5941 /* Window manager things */
5943 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5948 Window window
= FRAME_W32_WINDOW (f
);
5950 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5951 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5952 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5954 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5959 /***********************************************************************
5961 ***********************************************************************/
5963 /* The following functions are listed here to help diff stay in step
5964 with xterm.c. See w32fns.c for definitions.
5966 x_get_font_info (f, font_idx)
5967 x_list_fonts (f, pattern, size, maxnames)
5973 /* Check that FONT is valid on frame F. It is if it can be found in F's
5977 x_check_font (f
, font
)
5982 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5984 xassert (font
!= NULL
);
5986 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5987 if (dpyinfo
->font_table
[i
].name
5988 && font
== dpyinfo
->font_table
[i
].font
)
5991 xassert (i
< dpyinfo
->n_fonts
);
5994 #endif /* GLYPH_DEBUG != 0 */
5996 /* Set *W to the minimum width, *H to the minimum font height of FONT.
5997 Note: There are (broken) X fonts out there with invalid XFontStruct
5998 min_bounds contents. For example, handa@etl.go.jp reports that
5999 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
6000 have font->min_bounds.width == 0. */
6003 x_font_min_bounds (font
, w
, h
)
6008 * TODO: Windows does not appear to offer min bound, only
6009 * average and maximum width, and maximum height.
6011 *h
= FONT_HEIGHT (font
);
6012 *w
= FONT_WIDTH (font
);
6016 /* Compute the smallest character width and smallest font height over
6017 all fonts available on frame F. Set the members smallest_char_width
6018 and smallest_font_height in F's x_display_info structure to
6019 the values computed. Value is non-zero if smallest_font_height or
6020 smallest_char_width become smaller than they were before. */
6023 x_compute_min_glyph_bounds (f
)
6027 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6029 int old_width
= dpyinfo
->smallest_char_width
;
6030 int old_height
= dpyinfo
->smallest_font_height
;
6032 dpyinfo
->smallest_font_height
= 100000;
6033 dpyinfo
->smallest_char_width
= 100000;
6035 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6036 if (dpyinfo
->font_table
[i
].name
)
6038 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6041 font
= (XFontStruct
*) fontp
->font
;
6042 xassert (font
!= (XFontStruct
*) ~0);
6043 x_font_min_bounds (font
, &w
, &h
);
6045 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6046 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6049 xassert (dpyinfo
->smallest_char_width
> 0
6050 && dpyinfo
->smallest_font_height
> 0);
6052 return (dpyinfo
->n_fonts
== 1
6053 || dpyinfo
->smallest_char_width
< old_width
6054 || dpyinfo
->smallest_font_height
< old_height
);
6057 /* The following functions are listed here to help diff stay in step
6058 with xterm.c. See w32fns.c for definitions.
6060 x_load_font (f, fontname, size)
6061 x_query_font (f, fontname)
6062 x_find_ccl_program (fontp)
6066 /***********************************************************************
6068 ***********************************************************************/
6070 static int w32_initialized
= 0;
6073 w32_initialize_display_info (display_name
)
6074 Lisp_Object display_name
;
6076 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6078 bzero (dpyinfo
, sizeof (*dpyinfo
));
6080 /* Put it on w32_display_name_list. */
6081 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6082 w32_display_name_list
);
6083 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6085 dpyinfo
->w32_id_name
6086 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6087 + SCHARS (Vsystem_name
)
6089 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6090 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6092 /* Default Console mode values - overridden when running in GUI mode
6093 with values obtained from system metrics. */
6096 dpyinfo
->height_in
= 1;
6097 dpyinfo
->width_in
= 1;
6098 dpyinfo
->n_planes
= 1;
6099 dpyinfo
->n_cbits
= 4;
6100 dpyinfo
->n_fonts
= 0;
6101 dpyinfo
->smallest_font_height
= 1;
6102 dpyinfo
->smallest_char_width
= 1;
6104 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6105 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6106 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6107 dpyinfo
->mouse_face_window
= Qnil
;
6108 dpyinfo
->mouse_face_overlay
= Qnil
;
6109 dpyinfo
->mouse_face_hidden
= 0;
6111 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6112 /* TODO: dpyinfo->gray */
6116 /* Create an xrdb-style database of resources to supercede registry settings.
6117 The database is just a concatenation of C strings, finished by an additional
6118 \0. The string are submitted to some basic normalization, so
6120 [ *]option[ *]:[ *]value...
6126 but any whitespace following value is not removed. */
6129 w32_make_rdb (xrm_option
)
6132 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6133 char *current
= buffer
;
6136 int before_value
= 0;
6150 if (in_option
&& (ch
== ':'))
6155 else if (before_value
)
6160 else if (!(in_option
|| before_value
))
6171 struct w32_display_info
*
6172 w32_term_init (display_name
, xrm_option
, resource_name
)
6173 Lisp_Object display_name
;
6175 char *resource_name
;
6177 struct w32_display_info
*dpyinfo
;
6182 if (!w32_initialized
)
6185 w32_initialized
= 1;
6188 w32_initialize_display_info (display_name
);
6190 dpyinfo
= &one_w32_display_info
;
6192 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6194 /* Put this display on the chain. */
6195 dpyinfo
->next
= x_display_list
;
6196 x_display_list
= dpyinfo
;
6198 hdc
= GetDC (GetDesktopWindow ());
6200 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6201 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6202 dpyinfo
->root_window
= GetDesktopWindow ();
6203 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6204 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6205 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6206 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6207 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6208 dpyinfo
->image_cache
= make_image_cache ();
6209 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6210 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6211 ReleaseDC (GetDesktopWindow (), hdc
);
6213 /* initialise palette with white and black */
6216 w32_defined_color (0, "white", &color
, 1);
6217 w32_defined_color (0, "black", &color
, 1);
6220 /* Create Fringe Bitmaps and store them for later use.
6222 On W32, bitmaps are all unsigned short, as Windows requires
6223 bitmap data to be Word aligned. For some reason they are
6224 horizontally reflected compared to how they appear on X, so we
6225 need to bitswap and convert to unsigned shorts before creating
6230 for (i
= NO_FRINGE_BITMAP
+ 1; i
< MAX_FRINGE_BITMAPS
; i
++)
6232 int h
= fringe_bitmaps
[i
].height
;
6233 int wd
= fringe_bitmaps
[i
].width
;
6234 unsigned short *w32bits
6235 = (unsigned short *)alloca (h
* sizeof (unsigned short));
6236 unsigned short *wb
= w32bits
;
6237 unsigned char *bits
= fringe_bitmaps
[i
].bits
;
6238 for (j
= 0; j
< h
; j
++)
6240 static unsigned char swap_nibble
[16]
6241 = { 0x0, 0x8, 0x4, 0xc, /* 0000 1000 0100 1100 */
6242 0x2, 0xa, 0x6, 0xe, /* 0010 1010 0110 1110 */
6243 0x1, 0x9, 0x5, 0xd, /* 0001 1001 0101 1101 */
6244 0x3, 0xb, 0x7, 0xf }; /* 0011 1011 0111 1111 */
6246 unsigned char b
= *bits
++;
6247 *wb
++ = (unsigned short)((swap_nibble
[b
& 0xf]<<4)
6248 | (swap_nibble
[(b
>>4) & 0xf]));
6250 fringe_bmp
[i
] = CreateBitmap (wd
, h
, 1, 1, w32bits
);
6254 #ifndef F_SETOWN_BUG
6256 #ifdef F_SETOWN_SOCK_NEG
6257 /* stdin is a socket here */
6258 fcntl (connection
, F_SETOWN
, -getpid ());
6259 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6260 fcntl (connection
, F_SETOWN
, getpid ());
6261 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6262 #endif /* ! defined (F_SETOWN) */
6263 #endif /* F_SETOWN_BUG */
6266 if (interrupt_input
)
6267 init_sigio (connection
);
6268 #endif /* ! defined (SIGIO) */
6275 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6278 x_delete_display (dpyinfo
)
6279 struct w32_display_info
*dpyinfo
;
6281 /* Discard this display from w32_display_name_list and w32_display_list.
6282 We can't use Fdelq because that can quit. */
6283 if (! NILP (w32_display_name_list
)
6284 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6285 w32_display_name_list
= XCDR (w32_display_name_list
);
6290 tail
= w32_display_name_list
;
6291 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6293 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6295 XSETCDR (tail
, XCDR (XCDR (tail
)));
6302 /* free palette table */
6304 struct w32_palette_entry
* plist
;
6306 plist
= dpyinfo
->color_list
;
6309 struct w32_palette_entry
* pentry
= plist
;
6310 plist
= plist
->next
;
6313 dpyinfo
->color_list
= NULL
;
6314 if (dpyinfo
->palette
)
6315 DeleteObject(dpyinfo
->palette
);
6317 xfree (dpyinfo
->font_table
);
6318 xfree (dpyinfo
->w32_id_name
);
6320 /* Destroy row bitmaps. */
6324 for (i
= NO_FRINGE_BITMAP
+ 1; i
< MAX_FRINGE_BITMAPS
; i
++)
6325 DeleteObject (fringe_bmp
[i
]);
6329 /* Set up use of W32. */
6331 DWORD
w32_msg_worker ();
6334 x_flush (struct frame
* f
)
6335 { /* Nothing to do */ }
6337 extern frame_parm_handler w32_frame_parm_handlers
[];
6339 static struct redisplay_interface w32_redisplay_interface
=
6341 w32_frame_parm_handlers
,
6345 x_clear_end_of_line
,
6347 x_after_update_window_line
,
6348 x_update_window_begin
,
6349 x_update_window_end
,
6352 0, /* flush_display_optional */
6353 x_clear_window_mouse_face
,
6354 w32_get_glyph_overhangs
,
6355 x_fix_overlapping_area
,
6356 w32_draw_fringe_bitmap
,
6357 w32_per_char_metric
,
6359 NULL
, /* w32_compute_glyph_string_overhangs */
6360 x_draw_glyph_string
,
6361 w32_define_frame_cursor
,
6362 w32_clear_frame_area
,
6363 w32_draw_window_cursor
,
6364 w32_draw_vertical_window_border
,
6365 w32_shift_glyphs_for_insert
6371 rif
= &w32_redisplay_interface
;
6373 /* MSVC does not type K&R functions with no arguments correctly, and
6374 so we must explicitly cast them. */
6375 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6376 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6377 update_begin_hook
= x_update_begin
;
6378 update_end_hook
= x_update_end
;
6380 read_socket_hook
= w32_read_socket
;
6382 frame_up_to_date_hook
= w32_frame_up_to_date
;
6384 mouse_position_hook
= w32_mouse_position
;
6385 frame_rehighlight_hook
= w32_frame_rehighlight
;
6386 frame_raise_lower_hook
= w32_frame_raise_lower
;
6387 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6388 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6389 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6390 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6392 scroll_region_ok
= 1; /* we'll scroll partial frames */
6393 char_ins_del_ok
= 1;
6394 line_ins_del_ok
= 1; /* we'll just blt 'em */
6395 fast_clear_end_of_line
= 1; /* X does this well */
6396 memory_below_frame
= 0; /* we don't remember what scrolls
6400 w32_system_caret_hwnd
= NULL
;
6401 w32_system_caret_height
= 0;
6402 w32_system_caret_x
= 0;
6403 w32_system_caret_y
= 0;
6405 last_tool_bar_item
= -1;
6406 any_help_event_p
= 0;
6408 /* Initialize input mode: interrupt_input off, no flow control, allow
6409 8 bit character input, standard quit char. */
6410 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6412 /* Create the window thread - it will terminate itself or when the app terminates */
6416 dwMainThreadId
= GetCurrentThreadId ();
6417 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6418 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6420 /* Wait for thread to start */
6425 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6427 hWindowsThread
= CreateThread (NULL
, 0,
6428 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6429 0, 0, &dwWindowsThreadId
);
6431 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6434 /* It is desirable that mainThread should have the same notion of
6435 focus window and active window as windowsThread. Unfortunately, the
6436 following call to AttachThreadInput, which should do precisely what
6437 we need, causes major problems when Emacs is linked as a console
6438 program. Unfortunately, we have good reasons for doing that, so
6439 instead we need to send messages to windowsThread to make some API
6440 calls for us (ones that affect, or depend on, the active/focus
6442 #ifdef ATTACH_THREADS
6443 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6446 /* Dynamically link to optional system components. */
6448 HANDLE user_lib
= LoadLibrary ("user32.dll");
6450 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6452 /* New proportional scroll bar functions. */
6453 LOAD_PROC (SetScrollInfo
);
6454 LOAD_PROC (GetScrollInfo
);
6458 FreeLibrary (user_lib
);
6460 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6461 otherwise use the fixed height. */
6462 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6463 GetSystemMetrics (SM_CYVTHUMB
);
6465 /* For either kind of scroll bar, take account of the arrows; these
6466 effectively form the border of the main scroll bar range. */
6467 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6468 = GetSystemMetrics (SM_CYVSCROLL
);
6475 staticpro (&w32_display_name_list
);
6476 w32_display_name_list
= Qnil
;
6478 staticpro (&last_mouse_scroll_bar
);
6479 last_mouse_scroll_bar
= Qnil
;
6481 staticpro (&Qvendor_specific_keysyms
);
6482 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6484 DEFVAR_INT ("w32-num-mouse-buttons",
6485 &Vw32_num_mouse_buttons
,
6486 doc
: /* Number of physical mouse buttons. */);
6487 Vw32_num_mouse_buttons
= Qnil
;
6489 DEFVAR_LISP ("w32-swap-mouse-buttons",
6490 &Vw32_swap_mouse_buttons
,
6491 doc
: /* Swap the mapping of middle and right mouse buttons.
6492 When nil, middle button is mouse-2 and right button is mouse-3. */);
6493 Vw32_swap_mouse_buttons
= Qnil
;
6495 DEFVAR_LISP ("w32-grab-focus-on-raise",
6496 &Vw32_grab_focus_on_raise
,
6497 doc
: /* Raised frame grabs input focus.
6498 When t, `raise-frame' grabs input focus as well. This fits well
6499 with the normal Windows click-to-focus policy, but might not be
6500 desirable when using a point-to-focus policy. */);
6501 Vw32_grab_focus_on_raise
= Qt
;
6503 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6504 &Vw32_capslock_is_shiftlock
,
6505 doc
: /* Apply CapsLock state to non character input keys.
6506 When nil, CapsLock only affects normal character input keys. */);
6507 Vw32_capslock_is_shiftlock
= Qnil
;
6509 DEFVAR_LISP ("w32-recognize-altgr",
6510 &Vw32_recognize_altgr
,
6511 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6512 When nil, the right-alt and left-ctrl key combination is
6513 interpreted normally. */);
6514 Vw32_recognize_altgr
= Qt
;
6516 DEFVAR_BOOL ("w32-enable-unicode-output",
6517 &w32_enable_unicode_output
,
6518 doc
: /* Enable the use of Unicode for text output if non-nil.
6519 Unicode output may prevent some third party applications for displaying
6520 Far-East Languages on Windows 95/98 from working properly.
6521 NT uses Unicode internally anyway, so this flag will probably have no
6522 affect on NT machines. */);
6523 w32_enable_unicode_output
= 1;
6525 DEFVAR_BOOL ("w32-use-visible-system-caret",
6526 &w32_use_visible_system_caret
,
6527 doc
: /* Flag to make the system caret visible.
6528 When this is non-nil, Emacs will indicate the position of point by
6529 using the system caret instead of drawing its own cursor. Some screen
6530 reader software does not track the system cursor properly when it is
6531 invisible, and gets confused by Emacs drawing its own cursor, so this
6532 variable is initialized to t when Emacs detects that screen reader
6533 software is running as it starts up.
6535 When this variable is set, other variables affecting the appearance of
6536 the cursor have no effect. */);
6538 /* Initialize w32_use_visible_system_caret based on whether a screen
6539 reader is in use. */
6540 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6541 &w32_use_visible_system_caret
, 0))
6542 w32_use_visible_system_caret
= 0;
6544 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6545 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6546 Vx_toolkit_scroll_bars
= Qt
;
6548 staticpro (&last_mouse_motion_frame
);
6549 last_mouse_motion_frame
= Qnil
;