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
);
898 xassert (font_type
!= UNKNOWN_FONT
);
900 /* Handle the common cases quickly. */
901 if (!font
->bdf
&& font
->per_char
== NULL
)
902 /* TODO: determine whether char2b exists in font? */
903 return &font
->max_bounds
;
904 else if (!font
->bdf
&& *char2b
< 128)
905 return &font
->per_char
[*char2b
];
907 pcm
= &font
->scratch
;
909 if (font_type
== BDF_1D_FONT
)
910 retval
= w32_bdf_per_char_metric (font
, char2b
, 1, pcm
);
911 else if (font_type
== BDF_2D_FONT
)
912 retval
= w32_bdf_per_char_metric (font
, char2b
, 2, pcm
);
914 retval
= w32_native_per_char_metric (font
, char2b
, font_type
, pcm
);
923 w32_cache_char_metrics (font
)
926 wchar_t char2b
= L
'x';
928 /* Cache char metrics for the common cases. */
931 /* TODO: determine whether font is fixed-pitch. */
932 if (!w32_bdf_per_char_metric (font
, &char2b
, 1, &font
->max_bounds
))
934 /* Use the font width and height as max bounds, as not all BDF
935 fonts contain the letter 'x'. */
936 font
->max_bounds
.width
= FONT_MAX_WIDTH (font
);
937 font
->max_bounds
.lbearing
= -font
->bdf
->llx
;
938 font
->max_bounds
.rbearing
= FONT_MAX_WIDTH (font
) - font
->bdf
->urx
;
939 font
->max_bounds
.ascent
= FONT_BASE (font
);
940 font
->max_bounds
.descent
= FONT_DESCENT (font
);
945 if (((font
->tm
.tmPitchAndFamily
& TMPF_FIXED_PITCH
) != 0)
946 /* Some fonts (eg DBCS fonts) are marked as fixed width even
947 though they contain characters of different widths. */
948 || (font
->tm
.tmMaxCharWidth
!= font
->tm
.tmAveCharWidth
))
950 /* Font is not fixed pitch, so cache per_char info for the
951 ASCII characters. It would be much more work, and probably
952 not worth it, to cache other chars, since we may change
953 between using Unicode and ANSI text drawing functions at
957 font
->per_char
= xmalloc (128 * sizeof(XCharStruct
));
958 for (i
= 0; i
< 128; i
++)
961 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
966 w32_native_per_char_metric (font
, &char2b
, ANSI_FONT
,
972 /* Determine if a font is double byte. */
973 int w32_font_is_double_byte (XFontStruct
*font
)
975 return font
->double_byte_p
;
980 w32_use_unicode_for_codepage (codepage
)
983 /* If the current codepage is supported, use Unicode for output. */
984 return (w32_enable_unicode_output
985 && codepage
!= CP_8BIT
986 && (codepage
== CP_UNICODE
|| IsValidCodePage (codepage
)));
989 /* Encode CHAR2B using encoding information from FONT_INFO. CHAR2B is
990 the two-byte form of C. Encoding is returned in *CHAR2B. */
992 static int /* enum w32_char_font_type */
993 w32_encode_char (c
, char2b
, font_info
, two_byte_p
)
996 struct font_info
*font_info
;
999 int charset
= CHAR_CHARSET (c
);
1002 int internal_two_byte_p
= 0;
1004 XFontStruct
*font
= font_info
->font
;
1006 internal_two_byte_p
= w32_font_is_double_byte (font
);
1008 /* FONT_INFO may define a scheme by which to encode byte1 and byte2.
1009 This may be either a program in a special encoder language or a
1011 if (font_info
->font_encoder
)
1013 /* It's a program. */
1014 struct ccl_program
*ccl
= font_info
->font_encoder
;
1016 if (CHARSET_DIMENSION (charset
) == 1)
1018 ccl
->reg
[0] = charset
;
1019 ccl
->reg
[1] = XCHAR2B_BYTE2 (char2b
);
1024 ccl
->reg
[0] = charset
;
1025 ccl
->reg
[1] = XCHAR2B_BYTE1 (char2b
);
1026 ccl
->reg
[2] = XCHAR2B_BYTE2 (char2b
);
1029 ccl_driver (ccl
, NULL
, NULL
, 0, 0, NULL
);
1031 /* We assume that MSBs are appropriately set/reset by CCL
1033 if (!internal_two_byte_p
) /* 1-byte font */
1034 STORE_XCHAR2B (char2b
, 0, ccl
->reg
[1]);
1036 STORE_XCHAR2B (char2b
, ccl
->reg
[1], ccl
->reg
[2]);
1038 else if (font_info
->encoding
[charset
])
1040 /* Fixed encoding scheme. See fontset.h for the meaning of the
1041 encoding numbers. */
1042 int enc
= font_info
->encoding
[charset
];
1044 if ((enc
== 1 || enc
== 2)
1045 && CHARSET_DIMENSION (charset
) == 2)
1046 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
) | 0x80, XCHAR2B_BYTE2 (char2b
));
1048 if (enc
== 1 || enc
== 3
1049 || (enc
== 4 && CHARSET_DIMENSION (charset
) == 1))
1050 STORE_XCHAR2B (char2b
, XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
) | 0x80);
1055 ENCODE_SJIS (XCHAR2B_BYTE1 (char2b
), XCHAR2B_BYTE2 (char2b
),
1057 STORE_XCHAR2B (char2b
, sjis1
, sjis2
);
1060 codepage
= font_info
->codepage
;
1062 /* If charset is not ASCII or Latin-1, may need to move it into
1064 if ( font
&& !font
->bdf
&& w32_use_unicode_for_codepage (codepage
)
1065 && charset
!= CHARSET_ASCII
&& charset
!= charset_latin_iso8859_1
1066 && charset
!= CHARSET_8_BIT_CONTROL
&& charset
!= CHARSET_8_BIT_GRAPHIC
)
1069 temp
[0] = XCHAR2B_BYTE1 (char2b
);
1070 temp
[1] = XCHAR2B_BYTE2 (char2b
);
1072 if (codepage
!= CP_UNICODE
)
1075 MultiByteToWideChar (codepage
, 0, temp
, 2, char2b
, 1);
1077 MultiByteToWideChar (codepage
, 0, temp
+1, 1, char2b
, 1);
1080 internal_two_byte_p
= 1;
1084 *two_byte_p
= internal_two_byte_p
;
1087 return UNKNOWN_FONT
;
1088 else if (font
->bdf
&& CHARSET_DIMENSION (charset
) == 1)
1093 return UNICODE_FONT
;
1100 /***********************************************************************
1102 ***********************************************************************/
1105 /* Encapsulate the different ways of displaying text under W32. */
1108 w32_text_out (s
, x
, y
,chars
,nchars
)
1109 struct glyph_string
* s
;
1114 int charset_dim
= w32_font_is_double_byte (s
->gc
->font
) ? 2 : 1;
1115 if (s
->gc
->font
->bdf
)
1116 w32_BDF_TextOut (s
->gc
->font
->bdf
, s
->hdc
,
1117 x
, y
, (char *) chars
, charset_dim
,
1118 nchars
* charset_dim
, 0);
1119 else if (s
->first_glyph
->font_type
== UNICODE_FONT
)
1120 ExtTextOutW (s
->hdc
, x
, y
, 0, NULL
, chars
, nchars
, NULL
);
1122 ExtTextOutA (s
->hdc
, x
, y
, 0, NULL
, (char *) chars
,
1123 nchars
* charset_dim
, NULL
);
1128 static void x_set_glyph_string_clipping
P_ ((struct glyph_string
*));
1129 static void x_set_glyph_string_gc
P_ ((struct glyph_string
*));
1130 static void x_draw_glyph_string_background
P_ ((struct glyph_string
*,
1132 static void x_draw_glyph_string_foreground
P_ ((struct glyph_string
*));
1133 static void x_draw_composite_glyph_string_foreground
P_ ((struct glyph_string
*));
1134 static void x_draw_glyph_string_box
P_ ((struct glyph_string
*));
1135 static void x_draw_glyph_string
P_ ((struct glyph_string
*));
1136 static void x_set_cursor_gc
P_ ((struct glyph_string
*));
1137 static void x_set_mode_line_face_gc
P_ ((struct glyph_string
*));
1138 static void x_set_mouse_face_gc
P_ ((struct glyph_string
*));
1139 static int w32_alloc_lighter_color (struct frame
*, COLORREF
*, double, int);
1140 static void w32_setup_relief_color
P_ ((struct frame
*, struct relief
*,
1141 double, int, COLORREF
));
1142 static void x_setup_relief_colors
P_ ((struct glyph_string
*));
1143 static void x_draw_image_glyph_string
P_ ((struct glyph_string
*));
1144 static void x_draw_image_relief
P_ ((struct glyph_string
*));
1145 static void x_draw_image_foreground
P_ ((struct glyph_string
*));
1146 static void w32_draw_image_foreground_1
P_ ((struct glyph_string
*, HBITMAP
));
1147 static void x_clear_glyph_string_rect
P_ ((struct glyph_string
*, int,
1149 static void w32_draw_relief_rect
P_ ((struct frame
*, int, int, int, int,
1150 int, int, int, int, RECT
*));
1151 static void w32_draw_box_rect
P_ ((struct glyph_string
*, int, int, int, int,
1152 int, int, int, RECT
*));
1155 static void x_check_font
P_ ((struct frame
*, XFontStruct
*));
1159 /* Set S->gc to a suitable GC for drawing glyph string S in cursor
1164 struct glyph_string
*s
;
1166 if (s
->font
== FRAME_FONT (s
->f
)
1167 && s
->face
->background
== FRAME_BACKGROUND_PIXEL (s
->f
)
1168 && s
->face
->foreground
== FRAME_FOREGROUND_PIXEL (s
->f
)
1170 s
->gc
= s
->f
->output_data
.w32
->cursor_gc
;
1173 /* Cursor on non-default face: must merge. */
1177 xgcv
.background
= s
->f
->output_data
.w32
->cursor_pixel
;
1178 xgcv
.foreground
= s
->face
->background
;
1180 /* If the glyph would be invisible, try a different foreground. */
1181 if (xgcv
.foreground
== xgcv
.background
)
1182 xgcv
.foreground
= s
->face
->foreground
;
1183 if (xgcv
.foreground
== xgcv
.background
)
1184 xgcv
.foreground
= s
->f
->output_data
.w32
->cursor_foreground_pixel
;
1185 if (xgcv
.foreground
== xgcv
.background
)
1186 xgcv
.foreground
= s
->face
->foreground
;
1188 /* Make sure the cursor is distinct from text in this face. */
1189 if (xgcv
.background
== s
->face
->background
1190 && xgcv
.foreground
== s
->face
->foreground
)
1192 xgcv
.background
= s
->face
->foreground
;
1193 xgcv
.foreground
= s
->face
->background
;
1196 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1197 xgcv
.font
= s
->font
;
1198 mask
= GCForeground
| GCBackground
| GCFont
;
1200 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1201 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1204 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1205 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1207 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1212 /* Set up S->gc of glyph string S for drawing text in mouse face. */
1215 x_set_mouse_face_gc (s
)
1216 struct glyph_string
*s
;
1221 /* What face has to be used last for the mouse face? */
1222 face_id
= FRAME_W32_DISPLAY_INFO (s
->f
)->mouse_face_face_id
;
1223 face
= FACE_FROM_ID (s
->f
, face_id
);
1225 face
= FACE_FROM_ID (s
->f
, MOUSE_FACE_ID
);
1227 if (s
->first_glyph
->type
== CHAR_GLYPH
)
1228 face_id
= FACE_FOR_CHAR (s
->f
, face
, s
->first_glyph
->u
.ch
);
1230 face_id
= FACE_FOR_CHAR (s
->f
, face
, 0);
1231 s
->face
= FACE_FROM_ID (s
->f
, face_id
);
1232 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1234 /* If font in this face is same as S->font, use it. */
1235 if (s
->font
== s
->face
->font
)
1236 s
->gc
= s
->face
->gc
;
1239 /* Otherwise construct scratch_cursor_gc with values from FACE
1244 xgcv
.background
= s
->face
->background
;
1245 xgcv
.foreground
= s
->face
->foreground
;
1246 IF_DEBUG (x_check_font (s
->f
, s
->font
));
1247 xgcv
.font
= s
->font
;
1248 mask
= GCForeground
| GCBackground
| GCFont
;
1250 if (FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
)
1251 XChangeGC (NULL
, FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
,
1254 FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
1255 = XCreateGC (NULL
, s
->window
, mask
, &xgcv
);
1257 s
->gc
= FRAME_W32_DISPLAY_INFO (s
->f
)->scratch_cursor_gc
;
1260 xassert (s
->gc
!= 0);
1264 /* Set S->gc of glyph string S to a GC suitable for drawing a mode line.
1265 Faces to use in the mode line have already been computed when the
1266 matrix was built, so there isn't much to do, here. */
1269 x_set_mode_line_face_gc (s
)
1270 struct glyph_string
*s
;
1272 s
->gc
= s
->face
->gc
;
1276 /* Set S->gc of glyph string S for drawing that glyph string. Set
1277 S->stippled_p to a non-zero value if the face of S has a stipple
1281 x_set_glyph_string_gc (s
)
1282 struct glyph_string
*s
;
1284 PREPARE_FACE_FOR_DISPLAY (s
->f
, s
->face
);
1286 if (s
->hl
== DRAW_NORMAL_TEXT
)
1288 s
->gc
= s
->face
->gc
;
1289 s
->stippled_p
= s
->face
->stipple
!= 0;
1291 else if (s
->hl
== DRAW_INVERSE_VIDEO
)
1293 x_set_mode_line_face_gc (s
);
1294 s
->stippled_p
= s
->face
->stipple
!= 0;
1296 else if (s
->hl
== DRAW_CURSOR
)
1298 x_set_cursor_gc (s
);
1301 else if (s
->hl
== DRAW_MOUSE_FACE
)
1303 x_set_mouse_face_gc (s
);
1304 s
->stippled_p
= s
->face
->stipple
!= 0;
1306 else if (s
->hl
== DRAW_IMAGE_RAISED
1307 || s
->hl
== DRAW_IMAGE_SUNKEN
)
1309 s
->gc
= s
->face
->gc
;
1310 s
->stippled_p
= s
->face
->stipple
!= 0;
1314 s
->gc
= s
->face
->gc
;
1315 s
->stippled_p
= s
->face
->stipple
!= 0;
1318 /* GC must have been set. */
1319 xassert (s
->gc
!= 0);
1323 /* Set clipping for output of glyph string S. S may be part of a mode
1324 line or menu if we don't have X toolkit support. */
1327 x_set_glyph_string_clipping (s
)
1328 struct glyph_string
*s
;
1331 get_glyph_string_clip_rect (s
, &r
);
1332 w32_set_clip_rectangle (s
->hdc
, &r
);
1337 Compute left and right overhang of glyph string S. If S is a glyph
1338 string for a composition, assume overhangs don't exist. */
1341 w32_compute_glyph_string_overhangs (s
)
1342 struct glyph_string
*s
;
1344 /* TODO: Windows does not appear to have a method for
1345 getting this info without getting the ABC widths for each
1346 individual character and working it out manually. */
1351 w32_get_glyph_overhangs (glyph
, f
, left
, right
)
1352 struct glyph
*glyph
;
1356 HDC hdc
= get_frame_dc (f
);
1357 /* Convert to unicode! */
1358 x_get_glyph_overhangs (glyph
, f
, left
, right
);
1359 release_frame_dc (f
, hdc
);
1363 /* Fill rectangle X, Y, W, H with background color of glyph string S. */
1366 x_clear_glyph_string_rect (s
, x
, y
, w
, h
)
1367 struct glyph_string
*s
;
1375 /* Take clipping into account. */
1376 if (s
->gc
->clip_mask
== Rect
)
1378 real_x
= max (real_x
, s
->gc
->clip_rectangle
.left
);
1379 real_y
= max (real_y
, s
->gc
->clip_rectangle
.top
);
1380 real_w
= min (real_w
, s
->gc
->clip_rectangle
.right
1381 - s
->gc
->clip_rectangle
.left
);
1382 real_h
= min (real_h
, s
->gc
->clip_rectangle
.bottom
1383 - s
->gc
->clip_rectangle
.top
);
1386 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->background
, real_x
, real_y
,
1391 /* Draw the background of glyph_string S. If S->background_filled_p
1392 is non-zero don't draw it. FORCE_P non-zero means draw the
1393 background even if it wouldn't be drawn normally. This is used
1394 when a string preceding S draws into the background of S, or S
1395 contains the first component of a composition. */
1398 x_draw_glyph_string_background (s
, force_p
)
1399 struct glyph_string
*s
;
1402 /* Nothing to do if background has already been drawn or if it
1403 shouldn't be drawn in the first place. */
1404 if (!s
->background_filled_p
)
1406 int box_line_width
= max (s
->face
->box_line_width
, 0);
1408 #if 0 /* TODO: stipple */
1411 /* Fill background with a stipple pattern. */
1412 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
1413 XFillRectangle (s
->display
, s
->window
, s
->gc
, s
->x
,
1414 s
->y
+ box_line_width
,
1415 s
->background_width
,
1416 s
->height
- 2 * box_line_width
);
1417 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
1418 s
->background_filled_p
= 1;
1422 if (FONT_HEIGHT (s
->font
) < s
->height
- 2 * box_line_width
1423 || s
->font_not_found_p
1424 || s
->extends_to_end_of_line_p
1428 x_clear_glyph_string_rect (s
, s
->x
, s
->y
+ box_line_width
,
1429 s
->background_width
,
1430 s
->height
- 2 * box_line_width
);
1431 s
->background_filled_p
= 1;
1437 /* Draw the foreground of glyph string S. */
1440 x_draw_glyph_string_foreground (s
)
1441 struct glyph_string
*s
;
1446 /* If first glyph of S has a left box line, start drawing the text
1447 of S to the right of that box line. */
1448 if (s
->face
->box
!= FACE_NO_BOX
1449 && s
->first_glyph
->left_box_line_p
)
1450 x
= s
->x
+ abs (s
->face
->box_line_width
);
1454 if (s
->for_overlaps_p
|| (s
->background_filled_p
&& s
->hl
!= DRAW_CURSOR
))
1455 SetBkMode (s
->hdc
, TRANSPARENT
);
1457 SetBkMode (s
->hdc
, OPAQUE
);
1459 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1460 SetBkColor (s
->hdc
, s
->gc
->background
);
1461 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1463 if (s
->font
&& s
->font
->hfont
)
1464 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1466 /* Draw characters of S as rectangles if S's font could not be
1468 if (s
->font_not_found_p
)
1470 for (i
= 0; i
< s
->nchars
; ++i
)
1472 struct glyph
*g
= s
->first_glyph
+ i
;
1474 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, g
->pixel_width
- 1,
1476 x
+= g
->pixel_width
;
1481 char *char1b
= (char *) s
->char2b
;
1482 int boff
= s
->font_info
->baseline_offset
;
1484 if (s
->font_info
->vertical_centering
)
1485 boff
= VCENTER_BASELINE_OFFSET (s
->font
, s
->f
) - boff
;
1487 /* If we can use 8-bit functions, condense S->char2b. */
1489 for (i
= 0; i
< s
->nchars
; ++i
)
1490 char1b
[i
] = XCHAR2B_BYTE2 (&s
->char2b
[i
]);
1492 /* Draw text with TextOut and friends. */
1493 w32_text_out (s
, x
, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1495 if (s
->face
->overstrike
)
1497 /* For overstriking (to simulate bold-face), draw the
1498 characters again shifted to the right by one pixel. */
1499 w32_text_out (s
, x
+ 1, s
->ybase
- boff
, s
->char2b
, s
->nchars
);
1502 if (s
->font
&& s
->font
->hfont
)
1503 SelectObject (s
->hdc
, old_font
);
1506 /* Draw the foreground of composite glyph string S. */
1509 x_draw_composite_glyph_string_foreground (s
)
1510 struct glyph_string
*s
;
1515 /* If first glyph of S has a left box line, start drawing the text
1516 of S to the right of that box line. */
1517 if (s
->face
->box
!= FACE_NO_BOX
1518 && s
->first_glyph
->left_box_line_p
)
1519 x
= s
->x
+ abs (s
->face
->box_line_width
);
1523 /* S is a glyph string for a composition. S->gidx is the index of
1524 the first character drawn for glyphs of this composition.
1525 S->gidx == 0 means we are drawing the very first character of
1526 this composition. */
1528 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1529 SetBkColor (s
->hdc
, s
->gc
->background
);
1530 SetBkMode (s
->hdc
, TRANSPARENT
);
1531 SetTextAlign (s
->hdc
, TA_BASELINE
| TA_LEFT
);
1533 if (s
->font
&& s
->font
->hfont
)
1534 old_font
= SelectObject (s
->hdc
, s
->font
->hfont
);
1536 /* Draw a rectangle for the composition if the font for the very
1537 first character of the composition could not be loaded. */
1538 if (s
->font_not_found_p
)
1541 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, s
->y
, s
->width
- 1,
1546 for (i
= 0; i
< s
->nchars
; i
++, ++s
->gidx
)
1548 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2],
1549 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1551 if (s
->face
->overstrike
)
1552 w32_text_out (s
, x
+ s
->cmp
->offsets
[s
->gidx
* 2] + 1,
1553 s
->ybase
- s
->cmp
->offsets
[s
->gidx
* 2 + 1],
1558 if (s
->font
&& s
->font
->hfont
)
1559 SelectObject (s
->hdc
, old_font
);
1563 /* Brightness beyond which a color won't have its highlight brightness
1566 Nominally, highlight colors for `3d' faces are calculated by
1567 brightening an object's color by a constant scale factor, but this
1568 doesn't yield good results for dark colors, so for colors who's
1569 brightness is less than this value (on a scale of 0-255) have to
1570 use an additional additive factor.
1572 The value here is set so that the default menu-bar/mode-line color
1573 (grey75) will not have its highlights changed at all. */
1574 #define HIGHLIGHT_COLOR_DARK_BOOST_LIMIT 187
1577 /* Allocate a color which is lighter or darker than *COLOR by FACTOR
1578 or DELTA. Try a color with RGB values multiplied by FACTOR first.
1579 If this produces the same color as COLOR, try a color where all RGB
1580 values have DELTA added. Return the allocated color in *COLOR.
1581 DISPLAY is the X display, CMAP is the colormap to operate on.
1582 Value is non-zero if successful. */
1585 w32_alloc_lighter_color (f
, color
, factor
, delta
)
1594 /* On Windows, RGB values are 0-255, not 0-65535, so scale delta. */
1597 /* Change RGB values by specified FACTOR. Avoid overflow! */
1598 xassert (factor
>= 0);
1599 new = PALETTERGB (min (0xff, factor
* GetRValue (*color
)),
1600 min (0xff, factor
* GetGValue (*color
)),
1601 min (0xff, factor
* GetBValue (*color
)));
1603 /* Calculate brightness of COLOR. */
1604 bright
= (2 * GetRValue (*color
) + 3 * GetGValue (*color
)
1605 + GetBValue (*color
)) / 6;
1607 /* We only boost colors that are darker than
1608 HIGHLIGHT_COLOR_DARK_BOOST_LIMIT. */
1609 if (bright
< HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
)
1610 /* Make an additive adjustment to NEW, because it's dark enough so
1611 that scaling by FACTOR alone isn't enough. */
1613 /* How far below the limit this color is (0 - 1, 1 being darker). */
1614 double dimness
= 1 - (double)bright
/ HIGHLIGHT_COLOR_DARK_BOOST_LIMIT
;
1615 /* The additive adjustment. */
1616 int min_delta
= delta
* dimness
* factor
/ 2;
1619 new = PALETTERGB (max (0, min (0xff, min_delta
- GetRValue (*color
))),
1620 max (0, min (0xff, min_delta
- GetGValue (*color
))),
1621 max (0, min (0xff, min_delta
- GetBValue (*color
))));
1623 new = PALETTERGB (max (0, min (0xff, min_delta
+ GetRValue (*color
))),
1624 max (0, min (0xff, min_delta
+ GetGValue (*color
))),
1625 max (0, min (0xff, min_delta
+ GetBValue (*color
))));
1629 new = PALETTERGB (max (0, min (0xff, delta
+ GetRValue (*color
))),
1630 max (0, min (0xff, delta
+ GetGValue (*color
))),
1631 max (0, min (0xff, delta
+ GetBValue (*color
))));
1633 /* TODO: Map to palette and retry with delta if same? */
1634 /* TODO: Free colors (if using palette)? */
1645 /* Set up the foreground color for drawing relief lines of glyph
1646 string S. RELIEF is a pointer to a struct relief containing the GC
1647 with which lines will be drawn. Use a color that is FACTOR or
1648 DELTA lighter or darker than the relief's background which is found
1649 in S->f->output_data.x->relief_background. If such a color cannot
1650 be allocated, use DEFAULT_PIXEL, instead. */
1653 w32_setup_relief_color (f
, relief
, factor
, delta
, default_pixel
)
1655 struct relief
*relief
;
1658 COLORREF default_pixel
;
1661 struct w32_output
*di
= f
->output_data
.w32
;
1662 unsigned long mask
= GCForeground
;
1664 COLORREF background
= di
->relief_background
;
1665 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
1667 /* TODO: Free colors (if using palette)? */
1669 /* Allocate new color. */
1670 xgcv
.foreground
= default_pixel
;
1672 if (w32_alloc_lighter_color (f
, &pixel
, factor
, delta
))
1674 relief
->allocated_p
= 1;
1675 xgcv
.foreground
= relief
->pixel
= pixel
;
1678 if (relief
->gc
== 0)
1680 #if 0 /* TODO: stipple */
1681 xgcv
.stipple
= dpyinfo
->gray
;
1684 relief
->gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, &xgcv
);
1687 XChangeGC (NULL
, relief
->gc
, mask
, &xgcv
);
1691 /* Set up colors for the relief lines around glyph string S. */
1694 x_setup_relief_colors (s
)
1695 struct glyph_string
*s
;
1697 struct w32_output
*di
= s
->f
->output_data
.w32
;
1700 if (s
->face
->use_box_color_for_shadows_p
)
1701 color
= s
->face
->box_color
;
1702 else if (s
->first_glyph
->type
== IMAGE_GLYPH
1704 && !IMAGE_BACKGROUND_TRANSPARENT (s
->img
, s
->f
, 0))
1705 color
= IMAGE_BACKGROUND (s
->img
, s
->f
, 0);
1707 color
= s
->gc
->background
;
1709 if (di
->white_relief
.gc
== 0
1710 || color
!= di
->relief_background
)
1712 di
->relief_background
= color
;
1713 w32_setup_relief_color (s
->f
, &di
->white_relief
, 1.2, 0x8000,
1714 WHITE_PIX_DEFAULT (s
->f
));
1715 w32_setup_relief_color (s
->f
, &di
->black_relief
, 0.6, 0x4000,
1716 BLACK_PIX_DEFAULT (s
->f
));
1721 /* Draw a relief on frame F inside the rectangle given by LEFT_X,
1722 TOP_Y, RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the relief
1723 to draw, it must be >= 0. RAISED_P non-zero means draw a raised
1724 relief. LEFT_P non-zero means draw a relief on the left side of
1725 the rectangle. RIGHT_P non-zero means draw a relief on the right
1726 side of the rectangle. CLIP_RECT is the clipping rectangle to use
1730 w32_draw_relief_rect (f
, left_x
, top_y
, right_x
, bottom_y
, width
,
1731 raised_p
, left_p
, right_p
, clip_rect
)
1733 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
, raised_p
;
1738 HDC hdc
= get_frame_dc (f
);
1741 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1743 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1745 w32_set_clip_rectangle (hdc
, clip_rect
);
1748 for (i
= 0; i
< width
; ++i
)
1749 w32_fill_area (f
, hdc
, gc
.foreground
,
1750 left_x
+ i
* left_p
, top_y
+ i
,
1751 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1755 for (i
= 0; i
< width
; ++i
)
1756 w32_fill_area (f
, hdc
, gc
.foreground
,
1757 left_x
+ i
, top_y
+ i
, 1,
1758 bottom_y
- top_y
- 2 * i
+ 1);
1761 gc
.foreground
= f
->output_data
.w32
->black_relief
.gc
->foreground
;
1763 gc
.foreground
= f
->output_data
.w32
->white_relief
.gc
->foreground
;
1766 for (i
= 0; i
< width
; ++i
)
1767 w32_fill_area (f
, hdc
, gc
.foreground
,
1768 left_x
+ i
* left_p
, bottom_y
- i
,
1769 right_x
- left_x
- i
* (left_p
+ right_p
) + 1, 1);
1773 for (i
= 0; i
< width
; ++i
)
1774 w32_fill_area (f
, hdc
, gc
.foreground
,
1775 right_x
- i
, top_y
+ i
+ 1, 1,
1776 bottom_y
- top_y
- 2 * i
- 1);
1778 w32_set_clip_rectangle (hdc
, NULL
);
1780 release_frame_dc (f
, hdc
);
1784 /* Draw a box on frame F inside the rectangle given by LEFT_X, TOP_Y,
1785 RIGHT_X, and BOTTOM_Y. WIDTH is the thickness of the lines to
1786 draw, it must be >= 0. LEFT_P non-zero means draw a line on the
1787 left side of the rectangle. RIGHT_P non-zero means draw a line
1788 on the right side of the rectangle. CLIP_RECT is the clipping
1789 rectangle to use when drawing. */
1792 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1793 left_p
, right_p
, clip_rect
)
1794 struct glyph_string
*s
;
1795 int left_x
, top_y
, right_x
, bottom_y
, width
, left_p
, right_p
;
1798 w32_set_clip_rectangle (s
->hdc
, clip_rect
);
1801 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1802 left_x
, top_y
, right_x
- left_x
+ 1, width
);
1807 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1808 left_x
, top_y
, width
, bottom_y
- top_y
+ 1);
1812 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1813 left_x
, bottom_y
- width
+ 1, right_x
- left_x
+ 1, width
);
1818 w32_fill_area (s
->f
, s
->hdc
, s
->face
->box_color
,
1819 right_x
- width
+ 1, top_y
, width
, bottom_y
- top_y
+ 1);
1822 w32_set_clip_rectangle (s
->hdc
, NULL
);
1826 /* Draw a box around glyph string S. */
1829 x_draw_glyph_string_box (s
)
1830 struct glyph_string
*s
;
1832 int width
, left_x
, right_x
, top_y
, bottom_y
, last_x
, raised_p
;
1833 int left_p
, right_p
;
1834 struct glyph
*last_glyph
;
1837 last_x
= window_box_right (s
->w
, s
->area
);
1838 if (s
->row
->full_width_p
1839 && !s
->w
->pseudo_window_p
)
1841 last_x
+= WINDOW_RIGHT_SCROLL_BAR_AREA_WIDTH (s
->w
);
1842 if (s
->area
!= RIGHT_MARGIN_AREA
1843 || WINDOW_HAS_FRINGES_OUTSIDE_MARGINS (s
->w
))
1844 last_x
+= WINDOW_RIGHT_FRINGE_WIDTH (s
->w
);
1847 /* The glyph that may have a right box line. */
1848 last_glyph
= (s
->cmp
|| s
->img
1850 : s
->first_glyph
+ s
->nchars
- 1);
1852 width
= abs (s
->face
->box_line_width
);
1853 raised_p
= s
->face
->box
== FACE_RAISED_BOX
;
1855 right_x
= ((s
->row
->full_width_p
&& s
->extends_to_end_of_line_p
1857 : min (last_x
, s
->x
+ s
->background_width
) - 1));
1859 bottom_y
= top_y
+ s
->height
- 1;
1861 left_p
= (s
->first_glyph
->left_box_line_p
1862 || (s
->hl
== DRAW_MOUSE_FACE
1864 || s
->prev
->hl
!= s
->hl
)));
1865 right_p
= (last_glyph
->right_box_line_p
1866 || (s
->hl
== DRAW_MOUSE_FACE
1868 || s
->next
->hl
!= s
->hl
)));
1870 get_glyph_string_clip_rect (s
, &clip_rect
);
1872 if (s
->face
->box
== FACE_SIMPLE_BOX
)
1873 w32_draw_box_rect (s
, left_x
, top_y
, right_x
, bottom_y
, width
,
1874 left_p
, right_p
, &clip_rect
);
1877 x_setup_relief_colors (s
);
1878 w32_draw_relief_rect (s
->f
, left_x
, top_y
, right_x
, bottom_y
,
1879 width
, raised_p
, left_p
, right_p
, &clip_rect
);
1884 /* Draw foreground of image glyph string S. */
1887 x_draw_image_foreground (s
)
1888 struct glyph_string
*s
;
1891 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1893 /* If first glyph of S has a left box line, start drawing it to the
1894 right of that line. */
1895 if (s
->face
->box
!= FACE_NO_BOX
1896 && s
->first_glyph
->left_box_line_p
)
1897 x
= s
->x
+ abs (s
->face
->box_line_width
);
1901 /* If there is a margin around the image, adjust x- and y-position
1903 x
+= s
->img
->hmargin
;
1904 y
+= s
->img
->vmargin
;
1910 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
1911 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
1912 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
1913 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
1914 SetBkColor (compat_hdc
, RGB (255, 255, 255));
1915 SetTextColor (s
->hdc
, RGB (0, 0, 0));
1916 x_set_glyph_string_clipping (s
);
1920 HDC mask_dc
= CreateCompatibleDC (s
->hdc
);
1921 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
1923 SetTextColor (s
->hdc
, RGB (255, 255, 255));
1924 SetBkColor (s
->hdc
, RGB (0, 0, 0));
1926 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1927 compat_hdc
, 0, 0, SRCINVERT
);
1928 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1929 mask_dc
, 0, 0, SRCAND
);
1930 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1931 compat_hdc
, 0, 0, SRCINVERT
);
1933 SelectObject (mask_dc
, mask_orig_obj
);
1938 SetTextColor (s
->hdc
, s
->gc
->foreground
);
1939 SetBkColor (s
->hdc
, s
->gc
->background
);
1941 BitBlt (s
->hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
1942 compat_hdc
, 0, 0, SRCCOPY
);
1944 /* When the image has a mask, we can expect that at
1945 least part of a mouse highlight or a block cursor will
1946 be visible. If the image doesn't have a mask, make
1947 a block cursor visible by drawing a rectangle around
1948 the image. I believe it's looking better if we do
1949 nothing here for mouse-face. */
1950 if (s
->hl
== DRAW_CURSOR
)
1952 int r
= s
->img
->relief
;
1954 w32_draw_rectangle (s
->hdc
, s
->gc
, x
- r
, y
- r
,
1955 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
1959 w32_set_clip_rectangle (s
->hdc
, NULL
);
1960 SelectObject (s
->hdc
, orig_brush
);
1961 DeleteObject (fg_brush
);
1962 SelectObject (compat_hdc
, orig_obj
);
1963 DeleteDC (compat_hdc
);
1966 w32_draw_rectangle (s
->hdc
, s
->gc
, x
, y
, s
->img
->width
-1,
1967 s
->img
->height
- 1);
1969 RestoreDC (s
->hdc
,-1);
1974 /* Draw a relief around the image glyph string S. */
1977 x_draw_image_relief (s
)
1978 struct glyph_string
*s
;
1980 int x0
, y0
, x1
, y1
, thick
, raised_p
;
1983 int y
= s
->ybase
- image_ascent (s
->img
, s
->face
);
1985 /* If first glyph of S has a left box line, start drawing it to the
1986 right of that line. */
1987 if (s
->face
->box
!= FACE_NO_BOX
1988 && s
->first_glyph
->left_box_line_p
)
1989 x
= s
->x
+ abs (s
->face
->box_line_width
);
1993 /* If there is a margin around the image, adjust x- and y-position
1995 x
+= s
->img
->hmargin
;
1996 y
+= s
->img
->vmargin
;
1998 if (s
->hl
== DRAW_IMAGE_SUNKEN
1999 || s
->hl
== DRAW_IMAGE_RAISED
)
2001 thick
= tool_bar_button_relief
>= 0 ? tool_bar_button_relief
: DEFAULT_TOOL_BAR_BUTTON_RELIEF
;
2002 raised_p
= s
->hl
== DRAW_IMAGE_RAISED
;
2006 thick
= abs (s
->img
->relief
);
2007 raised_p
= s
->img
->relief
> 0;
2012 x1
= x
+ s
->img
->width
+ thick
- 1;
2013 y1
= y
+ s
->img
->height
+ thick
- 1;
2015 x_setup_relief_colors (s
);
2016 get_glyph_string_clip_rect (s
, &r
);
2017 w32_draw_relief_rect (s
->f
, x0
, y0
, x1
, y1
, thick
, raised_p
, 1, 1, &r
);
2021 /* Draw the foreground of image glyph string S to PIXMAP. */
2024 w32_draw_image_foreground_1 (s
, pixmap
)
2025 struct glyph_string
*s
;
2028 HDC hdc
= CreateCompatibleDC (s
->hdc
);
2029 HGDIOBJ orig_hdc_obj
= SelectObject (hdc
, pixmap
);
2031 int y
= s
->ybase
- s
->y
- image_ascent (s
->img
, s
->face
);
2033 /* If first glyph of S has a left box line, start drawing it to the
2034 right of that line. */
2035 if (s
->face
->box
!= FACE_NO_BOX
2036 && s
->first_glyph
->left_box_line_p
)
2037 x
= abs (s
->face
->box_line_width
);
2041 /* If there is a margin around the image, adjust x- and y-position
2043 x
+= s
->img
->hmargin
;
2044 y
+= s
->img
->vmargin
;
2048 HDC compat_hdc
= CreateCompatibleDC (hdc
);
2049 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2050 HBRUSH orig_brush
= SelectObject (hdc
, fg_brush
);
2051 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, s
->img
->pixmap
);
2055 HDC mask_dc
= CreateCompatibleDC (hdc
);
2056 HGDIOBJ mask_orig_obj
= SelectObject (mask_dc
, s
->img
->mask
);
2058 SetTextColor (hdc
, RGB (0, 0, 0));
2059 SetBkColor (hdc
, RGB (255, 255, 255));
2060 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2061 compat_hdc
, 0, 0, SRCINVERT
);
2062 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2063 mask_dc
, 0, 0, SRCAND
);
2064 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2065 compat_hdc
, 0, 0, SRCINVERT
);
2067 SelectObject (mask_dc
, mask_orig_obj
);
2072 SetTextColor (hdc
, s
->gc
->foreground
);
2073 SetBkColor (hdc
, s
->gc
->background
);
2075 BitBlt (hdc
, x
, y
, s
->img
->width
, s
->img
->height
,
2076 compat_hdc
, 0, 0, SRCCOPY
);
2078 /* When the image has a mask, we can expect that at
2079 least part of a mouse highlight or a block cursor will
2080 be visible. If the image doesn't have a mask, make
2081 a block cursor visible by drawing a rectangle around
2082 the image. I believe it's looking better if we do
2083 nothing here for mouse-face. */
2084 if (s
->hl
== DRAW_CURSOR
)
2086 int r
= s
->img
->relief
;
2088 w32_draw_rectangle (hdc
, s
->gc
, x
- r
, y
- r
,
2089 s
->img
->width
+ r
*2 - 1, s
->img
->height
+ r
*2 - 1);
2093 SelectObject (hdc
, orig_brush
);
2094 DeleteObject (fg_brush
);
2095 SelectObject (compat_hdc
, orig_obj
);
2096 DeleteDC (compat_hdc
);
2099 w32_draw_rectangle (hdc
, s
->gc
, x
, y
, s
->img
->width
- 1,
2100 s
->img
->height
- 1);
2102 SelectObject (hdc
, orig_hdc_obj
);
2107 /* Draw part of the background of glyph string S. X, Y, W, and H
2108 give the rectangle to draw. */
2111 x_draw_glyph_string_bg_rect (s
, x
, y
, w
, h
)
2112 struct glyph_string
*s
;
2115 #if 0 /* TODO: stipple */
2118 /* Fill background with a stipple pattern. */
2119 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2120 XFillRectangle (s
->display
, s
->window
, s
->gc
, x
, y
, w
, h
);
2121 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2125 x_clear_glyph_string_rect (s
, x
, y
, w
, h
);
2129 /* Draw image glyph string S.
2132 s->x +-------------------------
2135 | +-------------------------
2138 | | +-------------------
2144 x_draw_image_glyph_string (s
)
2145 struct glyph_string
*s
;
2148 int box_line_hwidth
= abs (s
->face
->box_line_width
);
2149 int box_line_vwidth
= max (s
->face
->box_line_width
, 0);
2153 height
= s
->height
- 2 * box_line_vwidth
;
2155 /* Fill background with face under the image. Do it only if row is
2156 taller than image or if image has a clip mask to reduce
2158 s
->stippled_p
= s
->face
->stipple
!= 0;
2159 if (height
> s
->img
->height
2163 || s
->img
->pixmap
== 0
2164 || s
->width
!= s
->background_width
)
2166 if (box_line_hwidth
&& s
->first_glyph
->left_box_line_p
)
2167 x
= s
->x
+ box_line_hwidth
;
2171 y
= s
->y
+ box_line_vwidth
;
2172 #if 0 /* TODO: figure out if we need to do this on Windows. */
2175 /* Create a pixmap as large as the glyph string. Fill it
2176 with the background color. Copy the image to it, using
2177 its mask. Copy the temporary pixmap to the display. */
2178 Screen
*screen
= FRAME_X_SCREEN (s
->f
);
2179 int depth
= DefaultDepthOfScreen (screen
);
2181 /* Create a pixmap as large as the glyph string. */
2182 pixmap
= XCreatePixmap (s
->display
, s
->window
,
2183 s
->background_width
,
2186 /* Don't clip in the following because we're working on the
2188 XSetClipMask (s
->display
, s
->gc
, None
);
2190 /* Fill the pixmap with the background color/stipple. */
2193 /* Fill background with a stipple pattern. */
2194 XSetFillStyle (s
->display
, s
->gc
, FillOpaqueStippled
);
2195 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2196 0, 0, s
->background_width
, s
->height
);
2197 XSetFillStyle (s
->display
, s
->gc
, FillSolid
);
2202 XGetGCValues (s
->display
, s
->gc
, GCForeground
| GCBackground
,
2204 XSetForeground (s
->display
, s
->gc
, xgcv
.background
);
2205 XFillRectangle (s
->display
, pixmap
, s
->gc
,
2206 0, 0, s
->background_width
, s
->height
);
2207 XSetForeground (s
->display
, s
->gc
, xgcv
.foreground
);
2212 x_draw_glyph_string_bg_rect (s
, x
, y
, s
->background_width
, height
);
2214 s
->background_filled_p
= 1;
2217 /* Draw the foreground. */
2220 w32_draw_image_foreground_1 (s
, pixmap
);
2221 x_set_glyph_string_clipping (s
);
2223 HDC compat_hdc
= CreateCompatibleDC (s
->hdc
);
2224 HBRUSH fg_brush
= CreateSolidBrush (s
->gc
->foreground
);
2225 HBRUSH orig_brush
= SelectObject (s
->hdc
, fg_brush
);
2226 HGDIOBJ orig_obj
= SelectObject (compat_hdc
, pixmap
);
2228 SetTextColor (s
->hdc
, s
->gc
->foreground
);
2229 SetBkColor (s
->hdc
, s
->gc
->background
);
2230 BitBlt (s
->hdc
, s
->x
, s
->y
, s
->background_width
, s
->height
,
2231 compat_hdc
, 0, 0, SRCCOPY
);
2233 SelectObject (s
->hdc
, orig_brush
);
2234 DeleteObject (fg_brush
);
2235 SelectObject (compat_hdc
, orig_obj
);
2236 DeleteDC (compat_hdc
);
2238 DeleteObject (pixmap
);
2242 x_draw_image_foreground (s
);
2244 /* If we must draw a relief around the image, do it. */
2246 || s
->hl
== DRAW_IMAGE_RAISED
2247 || s
->hl
== DRAW_IMAGE_SUNKEN
)
2248 x_draw_image_relief (s
);
2252 /* Draw stretch glyph string S. */
2255 x_draw_stretch_glyph_string (s
)
2256 struct glyph_string
*s
;
2258 xassert (s
->first_glyph
->type
== STRETCH_GLYPH
);
2259 s
->stippled_p
= s
->face
->stipple
!= 0;
2261 if (s
->hl
== DRAW_CURSOR
2262 && !x_stretch_cursor_p
)
2264 /* If `x-stretch-block-cursor' is nil, don't draw a block cursor
2265 as wide as the stretch glyph. */
2266 int width
= min (FRAME_COLUMN_WIDTH (s
->f
), s
->background_width
);
2269 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, width
, s
->height
);
2271 /* Clear rest using the GC of the original non-cursor face. */
2272 if (width
< s
->background_width
)
2274 XGCValues
*gc
= s
->face
->gc
;
2275 int x
= s
->x
+ width
, y
= s
->y
;
2276 int w
= s
->background_width
- width
, h
= s
->height
;
2280 if (s
->row
->mouse_face_p
2281 && cursor_in_mouse_face_p (s
->w
))
2283 x_set_mouse_face_gc (s
);
2289 get_glyph_string_clip_rect (s
, &r
);
2290 w32_set_clip_rectangle (hdc
, &r
);
2292 #if 0 /* TODO: stipple */
2293 if (s
->face
->stipple
)
2295 /* Fill background with a stipple pattern. */
2296 XSetFillStyle (s
->display
, gc
, FillOpaqueStippled
);
2297 XFillRectangle (s
->display
, s
->window
, gc
, x
, y
, w
, h
);
2298 XSetFillStyle (s
->display
, gc
, FillSolid
);
2303 w32_fill_area (s
->f
, s
->hdc
, gc
->background
, x
, y
, w
, h
);
2307 else if (!s
->background_filled_p
)
2308 x_draw_glyph_string_bg_rect (s
, s
->x
, s
->y
, s
->background_width
,
2311 s
->background_filled_p
= 1;
2315 /* Draw glyph string S. */
2318 x_draw_glyph_string (s
)
2319 struct glyph_string
*s
;
2321 int relief_drawn_p
= 0;
2323 /* If S draws into the background of its successor, draw the
2324 background of the successor first so that S can draw into it.
2325 This makes S->next use XDrawString instead of XDrawImageString. */
2326 if (s
->next
&& s
->right_overhang
&& !s
->for_overlaps_p
)
2328 xassert (s
->next
->img
== NULL
);
2329 x_set_glyph_string_gc (s
->next
);
2330 x_set_glyph_string_clipping (s
->next
);
2331 x_draw_glyph_string_background (s
->next
, 1);
2334 /* Set up S->gc, set clipping and draw S. */
2335 x_set_glyph_string_gc (s
);
2337 /* Draw relief (if any) in advance for char/composition so that the
2338 glyph string can be drawn over it. */
2339 if (!s
->for_overlaps_p
2340 && s
->face
->box
!= FACE_NO_BOX
2341 && (s
->first_glyph
->type
== CHAR_GLYPH
2342 || s
->first_glyph
->type
== COMPOSITE_GLYPH
))
2345 x_set_glyph_string_clipping (s
);
2346 x_draw_glyph_string_background (s
, 1);
2347 x_draw_glyph_string_box (s
);
2348 x_set_glyph_string_clipping (s
);
2352 x_set_glyph_string_clipping (s
);
2354 switch (s
->first_glyph
->type
)
2357 x_draw_image_glyph_string (s
);
2361 x_draw_stretch_glyph_string (s
);
2365 if (s
->for_overlaps_p
)
2366 s
->background_filled_p
= 1;
2368 x_draw_glyph_string_background (s
, 0);
2369 x_draw_glyph_string_foreground (s
);
2372 case COMPOSITE_GLYPH
:
2373 if (s
->for_overlaps_p
|| s
->gidx
> 0)
2374 s
->background_filled_p
= 1;
2376 x_draw_glyph_string_background (s
, 1);
2377 x_draw_composite_glyph_string_foreground (s
);
2384 if (!s
->for_overlaps_p
)
2386 /* Draw underline. */
2387 if (s
->face
->underline_p
2388 && (s
->font
->bdf
|| !s
->font
->tm
.tmUnderlined
))
2390 unsigned long h
= 1;
2391 unsigned long dy
= s
->height
- h
;
2393 /* TODO: Use font information for positioning and thickness
2394 of underline. See OUTLINETEXTMETRIC, and xterm.c. */
2395 if (s
->face
->underline_defaulted_p
)
2397 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2398 s
->y
+ dy
, s
->width
, 1);
2402 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2403 s
->y
+ dy
, s
->width
, 1);
2407 /* Draw overline. */
2408 if (s
->face
->overline_p
)
2410 unsigned long dy
= 0, h
= 1;
2412 if (s
->face
->overline_color_defaulted_p
)
2414 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
,
2415 s
->y
+ dy
, s
->width
, h
);
2419 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2420 s
->y
+ dy
, s
->width
, h
);
2424 /* Draw strike-through. */
2425 if (s
->face
->strike_through_p
2426 && (s
->font
->bdf
|| !s
->font
->tm
.tmStruckOut
))
2428 unsigned long h
= 1;
2429 unsigned long dy
= (s
->height
- h
) / 2;
2431 if (s
->face
->strike_through_color_defaulted_p
)
2433 w32_fill_area (s
->f
, s
->hdc
, s
->gc
->foreground
, s
->x
, s
->y
+ dy
,
2438 w32_fill_area (s
->f
, s
->hdc
, s
->face
->underline_color
, s
->x
,
2439 s
->y
+ dy
, s
->width
, h
);
2444 if (!relief_drawn_p
&& s
->face
->box
!= FACE_NO_BOX
)
2445 x_draw_glyph_string_box (s
);
2448 /* Reset clipping. */
2449 w32_set_clip_rectangle (s
->hdc
, NULL
);
2453 /* Shift display to make room for inserted glyphs. */
2456 w32_shift_glyphs_for_insert (f
, x
, y
, width
, height
, shift_by
)
2458 int x
, y
, width
, height
, shift_by
;
2462 hdc
= get_frame_dc (f
);
2463 BitBlt (hdc
, x
+ shift_by
, y
, width
, height
,
2464 hdc
, x
, y
, SRCCOPY
);
2466 release_frame_dc (f
, hdc
);
2470 /* Delete N glyphs at the nominal cursor position. Not implemented
2482 f
= SELECTED_FRAME ();
2484 if (! FRAME_W32_P (f
))
2491 /* Clear entire frame. If updating_frame is non-null, clear that
2492 frame. Otherwise clear the selected frame. */
2502 f
= SELECTED_FRAME ();
2504 if (! FRAME_W32_P (f
))
2507 /* Clearing the frame will erase any cursor, so mark them all as no
2509 mark_window_cursors_off (XWINDOW (FRAME_ROOT_WINDOW (f
)));
2510 output_cursor
.hpos
= output_cursor
.vpos
= 0;
2511 output_cursor
.x
= -1;
2513 /* We don't set the output cursor here because there will always
2514 follow an explicit cursor_to. */
2517 w32_clear_window (f
);
2519 /* We have to clear the scroll bars, too. If we have changed
2520 colors or something like that, then they should be notified. */
2521 x_scroll_bar_clear (f
);
2527 /* Make audible bell. */
2530 w32_ring_bell (void)
2534 f
= SELECTED_FRAME ();
2538 if (FRAME_W32_P (f
) && visible_bell
)
2541 HWND hwnd
= FRAME_W32_WINDOW (SELECTED_FRAME ());
2543 for (i
= 0; i
< 5; i
++)
2545 FlashWindow (hwnd
, TRUE
);
2548 FlashWindow (hwnd
, FALSE
);
2551 w32_sys_ring_bell ();
2557 /* Specify how many text lines, from the top of the window,
2558 should be affected by insert-lines and delete-lines operations.
2559 This, and those operations, are used only within an update
2560 that is bounded by calls to x_update_begin and x_update_end. */
2563 w32_set_terminal_window (n
)
2566 /* This function intentionally left blank. */
2570 /***********************************************************************
2572 ***********************************************************************/
2574 /* Perform an insert-lines or delete-lines operation, inserting N
2575 lines or deleting -N lines at vertical position VPOS. */
2578 x_ins_del_lines (vpos
, n
)
2586 f
= SELECTED_FRAME ();
2588 if (! FRAME_W32_P (f
))
2595 /* Scroll part of the display as described by RUN. */
2598 x_scroll_run (w
, run
)
2602 struct frame
*f
= XFRAME (w
->frame
);
2603 int x
, y
, width
, height
, from_y
, to_y
, bottom_y
;
2604 HWND hwnd
= FRAME_W32_WINDOW (f
);
2607 /* Get frame-relative bounding box of the text display area of W,
2608 without mode lines. Include in this box the left and right
2610 window_box (w
, -1, &x
, &y
, &width
, &height
);
2612 from_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->current_y
);
2613 to_y
= WINDOW_TO_FRAME_PIXEL_Y (w
, run
->desired_y
);
2614 bottom_y
= y
+ height
;
2618 /* Scrolling up. Make sure we don't copy part of the mode
2619 line at the bottom. */
2620 if (from_y
+ run
->height
> bottom_y
)
2621 height
= bottom_y
- from_y
;
2623 height
= run
->height
;
2624 expect_dirty
= CreateRectRgn (x
, y
+ height
, x
+ width
, bottom_y
);
2628 /* Scolling down. Make sure we don't copy over the mode line.
2630 if (to_y
+ run
->height
> bottom_y
)
2631 height
= bottom_y
- to_y
;
2633 height
= run
->height
;
2634 expect_dirty
= CreateRectRgn (x
, y
, x
+ width
, to_y
);
2639 /* Cursor off. Will be switched on again in x_update_window_end. */
2646 HRGN dirty
= CreateRectRgn (0, 0, 0, 0);
2647 HRGN combined
= CreateRectRgn (0, 0, 0, 0);
2649 from
.left
= to
.left
= x
;
2650 from
.right
= to
.right
= x
+ width
;
2652 from
.bottom
= from_y
+ height
;
2654 to
.bottom
= bottom_y
;
2656 ScrollWindowEx (hwnd
, 0, to_y
- from_y
, &from
, &to
, dirty
,
2657 NULL
, SW_INVALIDATE
);
2659 /* Combine this with what we expect to be dirty. This covers the
2660 case where not all of the region we expect is actually dirty. */
2661 CombineRgn (combined
, dirty
, expect_dirty
, RGN_OR
);
2663 /* If the dirty region is not what we expected, redraw the entire frame. */
2664 if (!EqualRgn (combined
, expect_dirty
))
2665 SET_FRAME_GARBAGED (f
);
2673 /***********************************************************************
2675 ***********************************************************************/
2681 x_update_cursor (f
, 1);
2685 frame_unhighlight (f
)
2688 x_update_cursor (f
, 1);
2691 /* The focus has changed. Update the frames as necessary to reflect
2692 the new situation. Note that we can't change the selected frame
2693 here, because the Lisp code we are interrupting might become confused.
2694 Each event gets marked with the frame in which it occurred, so the
2695 Lisp code can tell when the switch took place by examining the events. */
2698 x_new_focus_frame (dpyinfo
, frame
)
2699 struct w32_display_info
*dpyinfo
;
2700 struct frame
*frame
;
2702 struct frame
*old_focus
= dpyinfo
->w32_focus_frame
;
2704 if (frame
!= dpyinfo
->w32_focus_frame
)
2706 /* Set this before calling other routines, so that they see
2707 the correct value of w32_focus_frame. */
2708 dpyinfo
->w32_focus_frame
= frame
;
2710 if (old_focus
&& old_focus
->auto_lower
)
2711 x_lower_frame (old_focus
);
2721 if (dpyinfo
->w32_focus_frame
&& dpyinfo
->w32_focus_frame
->auto_raise
)
2722 pending_autoraise_frame
= dpyinfo
->w32_focus_frame
;
2724 pending_autoraise_frame
= 0;
2727 x_frame_rehighlight (dpyinfo
);
2730 /* Handle an event saying the mouse has moved out of an Emacs frame. */
2733 x_mouse_leave (dpyinfo
)
2734 struct w32_display_info
*dpyinfo
;
2736 x_new_focus_frame (dpyinfo
, dpyinfo
->w32_focus_event_frame
);
2739 /* The focus has changed, or we have redirected a frame's focus to
2740 another frame (this happens when a frame uses a surrogate
2741 mini-buffer frame). Shift the highlight as appropriate.
2743 The FRAME argument doesn't necessarily have anything to do with which
2744 frame is being highlighted or un-highlighted; we only use it to find
2745 the appropriate X display info. */
2748 w32_frame_rehighlight (frame
)
2749 struct frame
*frame
;
2751 if (! FRAME_W32_P (frame
))
2753 x_frame_rehighlight (FRAME_W32_DISPLAY_INFO (frame
));
2757 x_frame_rehighlight (dpyinfo
)
2758 struct w32_display_info
*dpyinfo
;
2760 struct frame
*old_highlight
= dpyinfo
->x_highlight_frame
;
2762 if (dpyinfo
->w32_focus_frame
)
2764 dpyinfo
->x_highlight_frame
2765 = ((GC_FRAMEP (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
)))
2766 ? XFRAME (FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
))
2767 : dpyinfo
->w32_focus_frame
);
2768 if (! FRAME_LIVE_P (dpyinfo
->x_highlight_frame
))
2770 FRAME_FOCUS_FRAME (dpyinfo
->w32_focus_frame
) = Qnil
;
2771 dpyinfo
->x_highlight_frame
= dpyinfo
->w32_focus_frame
;
2775 dpyinfo
->x_highlight_frame
= 0;
2777 if (dpyinfo
->x_highlight_frame
!= old_highlight
)
2780 frame_unhighlight (old_highlight
);
2781 if (dpyinfo
->x_highlight_frame
)
2782 frame_highlight (dpyinfo
->x_highlight_frame
);
2786 /* Keyboard processing - modifier keys, etc. */
2788 /* Convert a keysym to its name. */
2791 x_get_keysym_name (keysym
)
2794 /* Make static so we can always return it */
2795 static char value
[100];
2798 GetKeyNameText (keysym
, value
, 100);
2806 /* Mouse clicks and mouse movement. Rah. */
2808 /* Parse a button MESSAGE. The button index is returned in PBUTTON, and
2809 the state in PUP. XBUTTON provides extra information for extended mouse
2810 button messages. Returns FALSE if unable to parse the message. */
2812 parse_button (message
, xbutton
, pbutton
, pup
)
2823 case WM_LBUTTONDOWN
:
2831 case WM_MBUTTONDOWN
:
2832 if (NILP (Vw32_swap_mouse_buttons
))
2839 if (NILP (Vw32_swap_mouse_buttons
))
2845 case WM_RBUTTONDOWN
:
2846 if (NILP (Vw32_swap_mouse_buttons
))
2853 if (NILP (Vw32_swap_mouse_buttons
))
2859 case WM_XBUTTONDOWN
:
2860 button
= xbutton
+ 2;
2864 button
= xbutton
+ 2;
2872 if (pbutton
) *pbutton
= button
;
2878 /* Prepare a mouse-event in *RESULT for placement in the input queue.
2880 If the event is a button press, then note that we have grabbed
2884 construct_mouse_click (result
, msg
, f
)
2885 struct input_event
*result
;
2892 parse_button (msg
->msg
.message
, HIWORD (msg
->msg
.wParam
),
2895 /* Make the event type NO_EVENT; we'll change that when we decide
2897 result
->kind
= MOUSE_CLICK_EVENT
;
2898 result
->code
= button
;
2899 result
->timestamp
= msg
->msg
.time
;
2900 result
->modifiers
= (msg
->dwModifiers
2905 XSETINT (result
->x
, LOWORD (msg
->msg
.lParam
));
2906 XSETINT (result
->y
, HIWORD (msg
->msg
.lParam
));
2907 XSETFRAME (result
->frame_or_window
, f
);
2913 construct_mouse_wheel (result
, msg
, f
)
2914 struct input_event
*result
;
2921 result
->kind
= WHEEL_EVENT
;
2923 result
->timestamp
= msg
->msg
.time
;
2925 /* A WHEEL_DELTA positive value indicates that the wheel was rotated
2926 forward, away from the user (up); a negative value indicates that
2927 the wheel was rotated backward, toward the user (down). */
2928 delta
= GET_WHEEL_DELTA_WPARAM (msg
->msg
.wParam
);
2930 /* The up and down modifiers indicate if the wheel was rotated up or
2931 down based on WHEEL_DELTA value. */
2932 result
->modifiers
= (msg
->dwModifiers
2933 | ((delta
< 0 ) ? down_modifier
: up_modifier
));
2935 p
.x
= LOWORD (msg
->msg
.lParam
);
2936 p
.y
= HIWORD (msg
->msg
.lParam
);
2937 ScreenToClient (msg
->msg
.hwnd
, &p
);
2938 XSETINT (result
->x
, p
.x
);
2939 XSETINT (result
->y
, p
.y
);
2940 XSETFRAME (result
->frame_or_window
, f
);
2946 construct_drag_n_drop (result
, msg
, f
)
2947 struct input_event
*result
;
2959 result
->kind
= DRAG_N_DROP_EVENT
;
2961 result
->timestamp
= msg
->msg
.time
;
2962 result
->modifiers
= msg
->dwModifiers
;
2964 hdrop
= (HDROP
) msg
->msg
.wParam
;
2965 DragQueryPoint (hdrop
, &p
);
2968 p
.x
= LOWORD (msg
->msg
.lParam
);
2969 p
.y
= HIWORD (msg
->msg
.lParam
);
2970 ScreenToClient (msg
->msg
.hwnd
, &p
);
2973 XSETINT (result
->x
, p
.x
);
2974 XSETINT (result
->y
, p
.y
);
2976 num_files
= DragQueryFile (hdrop
, 0xFFFFFFFF, NULL
, 0);
2979 for (i
= 0; i
< num_files
; i
++)
2981 len
= DragQueryFile (hdrop
, i
, NULL
, 0);
2984 name
= alloca (len
+ 1);
2985 DragQueryFile (hdrop
, i
, name
, len
+ 1);
2986 files
= Fcons (DECODE_FILE (build_string (name
)), files
);
2991 XSETFRAME (frame
, f
);
2992 result
->frame_or_window
= Fcons (frame
, files
);
2998 /* Function to report a mouse movement to the mainstream Emacs code.
2999 The input handler calls this.
3001 We have received a mouse movement event, which is given in *event.
3002 If the mouse is over a different glyph than it was last time, tell
3003 the mainstream emacs code by setting mouse_moved. If not, ask for
3004 another motion event, so we can check again the next time it moves. */
3006 static MSG last_mouse_motion_event
;
3007 static Lisp_Object last_mouse_motion_frame
;
3009 static void remember_mouse_glyph
P_ ((struct frame
*, int, int));
3012 note_mouse_movement (frame
, msg
)
3016 int mouse_x
= LOWORD (msg
->lParam
);
3017 int mouse_y
= HIWORD (msg
->lParam
);
3019 last_mouse_movement_time
= msg
->time
;
3020 memcpy (&last_mouse_motion_event
, msg
, sizeof (last_mouse_motion_event
));
3021 XSETFRAME (last_mouse_motion_frame
, frame
);
3023 if (msg
->hwnd
!= FRAME_W32_WINDOW (frame
))
3025 frame
->mouse_moved
= 1;
3026 last_mouse_scroll_bar
= Qnil
;
3027 note_mouse_highlight (frame
, -1, -1);
3030 /* Has the mouse moved off the glyph it was on at the last sighting? */
3031 else if (mouse_x
< last_mouse_glyph
.left
3032 || mouse_x
> last_mouse_glyph
.right
3033 || mouse_y
< last_mouse_glyph
.top
3034 || mouse_y
> last_mouse_glyph
.bottom
)
3036 frame
->mouse_moved
= 1;
3037 last_mouse_scroll_bar
= Qnil
;
3038 note_mouse_highlight (frame
, mouse_x
, mouse_y
);
3039 /* Remember the mouse position here, as w32_mouse_position only
3040 gets called when mouse tracking is enabled but we also need
3041 to keep track of the mouse for help_echo and highlighting at
3043 remember_mouse_glyph (frame
, mouse_x
, mouse_y
);
3048 /************************************************************************
3050 ************************************************************************/
3052 static struct scroll_bar
*x_window_to_scroll_bar ();
3053 static void x_scroll_bar_report_motion ();
3054 static void x_check_fullscreen
P_ ((struct frame
*));
3055 static void x_check_fullscreen_move
P_ ((struct frame
*));
3056 static int glyph_rect
P_ ((struct frame
*f
, int, int, RECT
*));
3060 redo_mouse_highlight ()
3062 if (!NILP (last_mouse_motion_frame
)
3063 && FRAME_LIVE_P (XFRAME (last_mouse_motion_frame
)))
3064 note_mouse_highlight (XFRAME (last_mouse_motion_frame
),
3065 LOWORD (last_mouse_motion_event
.lParam
),
3066 HIWORD (last_mouse_motion_event
.lParam
));
3070 w32_define_cursor (window
, cursor
)
3074 PostMessage (window
, WM_EMACS_SETCURSOR
, (WPARAM
) cursor
, 0);
3077 /* Try to determine frame pixel position and size of the glyph under
3078 frame pixel coordinates X/Y on frame F . Return the position and
3079 size in *RECT. Value is non-zero if we could compute these
3083 glyph_rect (f
, x
, y
, rect
)
3090 window
= window_from_coordinates (f
, x
, y
, 0, &x
, &y
, 0);
3094 struct window
*w
= XWINDOW (window
);
3095 struct glyph_row
*r
= MATRIX_FIRST_TEXT_ROW (w
->current_matrix
);
3096 struct glyph_row
*end
= r
+ w
->current_matrix
->nrows
- 1;
3098 for (; r
< end
&& r
->enabled_p
; ++r
)
3099 if (r
->y
<= y
&& r
->y
+ r
->height
> y
)
3101 /* Found the row at y. */
3102 struct glyph
*g
= r
->glyphs
[TEXT_AREA
];
3103 struct glyph
*end
= g
+ r
->used
[TEXT_AREA
];
3106 rect
->top
= WINDOW_TO_FRAME_PIXEL_Y (w
, r
->y
);
3107 rect
->bottom
= rect
->top
+ r
->height
;
3111 /* x is to the left of the first glyph in the row. */
3112 /* Shouldn't this be a pixel value?
3113 WINDOW_LEFT_EDGE_X (w) seems to be the right value.
3115 rect
->left
= WINDOW_LEFT_EDGE_COL (w
);
3116 rect
->right
= WINDOW_TO_FRAME_PIXEL_X (w
, r
->x
);
3120 for (gx
= r
->x
; g
< end
; gx
+= g
->pixel_width
, ++g
)
3121 if (gx
<= x
&& gx
+ g
->pixel_width
> x
)
3123 /* x is on a glyph. */
3124 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3125 rect
->right
= rect
->left
+ g
->pixel_width
;
3129 /* x is to the right of the last glyph in the row. */
3130 rect
->left
= WINDOW_TO_FRAME_PIXEL_X (w
, gx
);
3131 /* Shouldn't this be a pixel value?
3132 WINDOW_RIGHT_EDGE_X (w) seems to be the right value.
3134 rect
->right
= WINDOW_RIGHT_EDGE_COL (w
);
3139 /* The y is not on any row. */
3143 /* Record the position of the mouse in last_mouse_glyph. */
3145 remember_mouse_glyph (f1
, gx
, gy
)
3149 if (!glyph_rect (f1
, gx
, gy
, &last_mouse_glyph
))
3151 int width
= FRAME_SMALLEST_CHAR_WIDTH (f1
);
3152 int height
= FRAME_SMALLEST_FONT_HEIGHT (f1
);
3154 /* Arrange for the division in FRAME_PIXEL_X_TO_COL etc. to
3155 round down even for negative values. */
3161 /* This was the original code from XTmouse_position, but it seems
3162 to give the position of the glyph diagonally next to the one
3163 the mouse is over. */
3164 gx
= (gx
+ width
- 1) / width
* width
;
3165 gy
= (gy
+ height
- 1) / height
* height
;
3167 gx
= gx
/ width
* width
;
3168 gy
= gy
/ height
* height
;
3171 last_mouse_glyph
.left
= gx
;
3172 last_mouse_glyph
.top
= gy
;
3173 last_mouse_glyph
.right
= gx
+ width
;
3174 last_mouse_glyph
.bottom
= gy
+ height
;
3178 /* Return the current position of the mouse.
3179 *fp should be a frame which indicates which display to ask about.
3181 If the mouse movement started in a scroll bar, set *fp, *bar_window,
3182 and *part to the frame, window, and scroll bar part that the mouse
3183 is over. Set *x and *y to the portion and whole of the mouse's
3184 position on the scroll bar.
3186 If the mouse movement started elsewhere, set *fp to the frame the
3187 mouse is on, *bar_window to nil, and *x and *y to the character cell
3190 Set *time to the server time-stamp for the time at which the mouse
3191 was at this position.
3193 Don't store anything if we don't have a valid set of values to report.
3195 This clears the mouse_moved flag, so we can wait for the next mouse
3199 w32_mouse_position (fp
, insist
, bar_window
, part
, x
, y
, time
)
3202 Lisp_Object
*bar_window
;
3203 enum scroll_bar_part
*part
;
3205 unsigned long *time
;
3211 if (! NILP (last_mouse_scroll_bar
) && insist
== 0)
3212 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
);
3217 Lisp_Object frame
, tail
;
3219 /* Clear the mouse-moved flag for every frame on this display. */
3220 FOR_EACH_FRAME (tail
, frame
)
3221 XFRAME (frame
)->mouse_moved
= 0;
3223 last_mouse_scroll_bar
= Qnil
;
3227 /* Now we have a position on the root; find the innermost window
3228 containing the pointer. */
3230 if (FRAME_W32_DISPLAY_INFO (*fp
)->grabbed
&& last_mouse_frame
3231 && FRAME_LIVE_P (last_mouse_frame
))
3233 /* If mouse was grabbed on a frame, give coords for that frame
3234 even if the mouse is now outside it. */
3235 f1
= last_mouse_frame
;
3239 /* Is window under mouse one of our frames? */
3240 f1
= x_any_window_to_frame (FRAME_W32_DISPLAY_INFO (*fp
),
3241 WindowFromPoint (pt
));
3244 /* If not, is it one of our scroll bars? */
3247 struct scroll_bar
*bar
3248 = x_window_to_scroll_bar (WindowFromPoint (pt
));
3252 f1
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3256 if (f1
== 0 && insist
> 0)
3257 f1
= SELECTED_FRAME ();
3261 /* Ok, we found a frame. Store all the values.
3262 last_mouse_glyph is a rectangle used to reduce the
3263 generation of mouse events. To not miss any motion
3264 events, we must divide the frame into rectangles of the
3265 size of the smallest character that could be displayed
3266 on it, i.e. into the same rectangles that matrices on
3267 the frame are divided into. */
3269 #if OLD_REDISPLAY_CODE
3270 int ignore1
, ignore2
;
3272 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3274 pixel_to_glyph_coords (f1
, pt
.x
, pt
.y
, &ignore1
, &ignore2
,
3276 FRAME_W32_DISPLAY_INFO (f1
)->grabbed
3279 ScreenToClient (FRAME_W32_WINDOW (f1
), &pt
);
3280 remember_mouse_glyph (f1
, pt
.x
, pt
.y
);
3288 *time
= last_mouse_movement_time
;
3297 /***********************************************************************
3299 ***********************************************************************/
3301 /* Handle mouse button event on the tool-bar of frame F, at
3302 frame-relative coordinates X/Y. EVENT_TYPE is either ButtionPress
3306 w32_handle_tool_bar_click (f
, button_event
)
3308 struct input_event
*button_event
;
3310 int x
= XFASTINT (button_event
->x
);
3311 int y
= XFASTINT (button_event
->y
);
3313 if (button_event
->modifiers
& down_modifier
)
3314 handle_tool_bar_click (f
, x
, y
, 1, 0);
3316 handle_tool_bar_click (f
, x
, y
, 0,
3317 button_event
->modifiers
& ~up_modifier
);
3322 /***********************************************************************
3324 ***********************************************************************/
3326 /* Scroll bar support. */
3328 /* Given a window ID, find the struct scroll_bar which manages it.
3329 This can be called in GC, so we have to make sure to strip off mark
3332 static struct scroll_bar
*
3333 x_window_to_scroll_bar (window_id
)
3338 for (tail
= Vframe_list
;
3339 XGCTYPE (tail
) == Lisp_Cons
;
3342 Lisp_Object frame
, bar
, condemned
;
3344 frame
= XCAR (tail
);
3345 /* All elements of Vframe_list should be frames. */
3346 if (! GC_FRAMEP (frame
))
3349 /* Scan this frame's scroll bar list for a scroll bar with the
3351 condemned
= FRAME_CONDEMNED_SCROLL_BARS (XFRAME (frame
));
3352 for (bar
= FRAME_SCROLL_BARS (XFRAME (frame
));
3353 /* This trick allows us to search both the ordinary and
3354 condemned scroll bar lists with one loop. */
3355 ! GC_NILP (bar
) || (bar
= condemned
,
3358 bar
= XSCROLL_BAR (bar
)->next
)
3359 if (SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
)) == window_id
)
3360 return XSCROLL_BAR (bar
);
3368 /* Set the thumb size and position of scroll bar BAR. We are currently
3369 displaying PORTION out of a whole WHOLE, and our position POSITION. */
3372 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
)
3373 struct scroll_bar
*bar
;
3374 int portion
, position
, whole
;
3376 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3377 double range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3378 int sb_page
, sb_pos
;
3379 BOOL draggingp
= !NILP (bar
->dragging
) ? TRUE
: FALSE
;
3383 /* Position scroll bar at rock bottom if the bottom of the
3384 buffer is visible. This avoids shinking the thumb away
3385 to nothing if it is held at the bottom of the buffer. */
3386 if (position
+ portion
>= whole
)
3388 sb_page
= range
* (whole
- position
) / whole
3389 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3393 sb_page
= portion
* range
/ whole
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3394 sb_pos
= position
* range
/ whole
;
3404 if (pfnSetScrollInfo
)
3408 si
.cbSize
= sizeof (si
);
3409 /* Only update page size if currently dragging, to reduce
3412 si
.fMask
= SIF_PAGE
;
3414 si
.fMask
= SIF_PAGE
| SIF_POS
;
3418 pfnSetScrollInfo (w
, SB_CTL
, &si
, !draggingp
);
3421 SetScrollPos (w
, SB_CTL
, sb_pos
, !draggingp
);
3427 /************************************************************************
3428 Scroll bars, general
3429 ************************************************************************/
3432 my_create_scrollbar (f
, bar
)
3434 struct scroll_bar
* bar
;
3436 return (HWND
) SendMessage (FRAME_W32_WINDOW (f
),
3437 WM_EMACS_CREATESCROLLBAR
, (WPARAM
) f
,
3441 /*#define ATTACH_THREADS*/
3444 my_show_window (FRAME_PTR f
, HWND hwnd
, int how
)
3446 #ifndef ATTACH_THREADS
3447 return SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SHOWWINDOW
,
3448 (WPARAM
) hwnd
, (LPARAM
) how
);
3450 return ShowWindow (hwnd
, how
);
3455 my_set_window_pos (HWND hwnd
, HWND hwndAfter
,
3456 int x
, int y
, int cx
, int cy
, UINT flags
)
3458 #ifndef ATTACH_THREADS
3460 pos
.hwndInsertAfter
= hwndAfter
;
3466 SendMessage (hwnd
, WM_EMACS_SETWINDOWPOS
, (WPARAM
) &pos
, 0);
3468 SetWindowPos (hwnd
, hwndAfter
, x
, y
, cx
, cy
, flags
);
3473 my_set_focus (f
, hwnd
)
3477 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_SETFOCUS
,
3482 my_set_foreground_window (hwnd
)
3485 SendMessage (hwnd
, WM_EMACS_SETFOREGROUND
, (WPARAM
) hwnd
, 0);
3489 my_destroy_window (f
, hwnd
)
3493 SendMessage (FRAME_W32_WINDOW (f
), WM_EMACS_DESTROYWINDOW
,
3497 /* Create a scroll bar and return the scroll bar vector for it. W is
3498 the Emacs window on which to create the scroll bar. TOP, LEFT,
3499 WIDTH and HEIGHT are.the pixel coordinates and dimensions of the
3502 static struct scroll_bar
*
3503 x_scroll_bar_create (w
, top
, left
, width
, height
)
3505 int top
, left
, width
, height
;
3507 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
3509 struct scroll_bar
*bar
3510 = XSCROLL_BAR (Fmake_vector (make_number (SCROLL_BAR_VEC_SIZE
), Qnil
));
3514 XSETWINDOW (bar
->window
, w
);
3515 XSETINT (bar
->top
, top
);
3516 XSETINT (bar
->left
, left
);
3517 XSETINT (bar
->width
, width
);
3518 XSETINT (bar
->height
, height
);
3519 XSETINT (bar
->start
, 0);
3520 XSETINT (bar
->end
, 0);
3521 bar
->dragging
= Qnil
;
3523 /* Requires geometry to be set before call to create the real window */
3525 hwnd
= my_create_scrollbar (f
, bar
);
3527 if (pfnSetScrollInfo
)
3531 si
.cbSize
= sizeof (si
);
3534 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3535 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3539 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3543 SetScrollRange (hwnd
, SB_CTL
, 0,
3544 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3545 SetScrollPos (hwnd
, SB_CTL
, 0, FALSE
);
3548 SET_SCROLL_BAR_W32_WINDOW (bar
, hwnd
);
3550 /* Add bar to its frame's list of scroll bars. */
3551 bar
->next
= FRAME_SCROLL_BARS (f
);
3553 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3554 if (! NILP (bar
->next
))
3555 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3563 /* Destroy scroll bar BAR, and set its Emacs window's scroll bar to
3567 x_scroll_bar_remove (bar
)
3568 struct scroll_bar
*bar
;
3570 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3574 /* Destroy the window. */
3575 my_destroy_window (f
, SCROLL_BAR_W32_WINDOW (bar
));
3577 /* Disassociate this scroll bar from its window. */
3578 XWINDOW (bar
->window
)->vertical_scroll_bar
= Qnil
;
3583 /* Set the handle of the vertical scroll bar for WINDOW to indicate
3584 that we are displaying PORTION characters out of a total of WHOLE
3585 characters, starting at POSITION. If WINDOW has no scroll bar,
3588 w32_set_vertical_scroll_bar (w
, portion
, whole
, position
)
3590 int portion
, whole
, position
;
3592 struct frame
*f
= XFRAME (w
->frame
);
3593 struct scroll_bar
*bar
;
3594 int top
, height
, left
, sb_left
, width
, sb_width
;
3595 int window_y
, window_height
;
3597 /* Get window dimensions. */
3598 window_box (w
, -1, 0, &window_y
, 0, &window_height
);
3600 width
= WINDOW_CONFIG_SCROLL_BAR_COLS (w
) * FRAME_COLUMN_WIDTH (f
);
3601 height
= window_height
;
3603 /* Compute the left edge of the scroll bar area. */
3604 left
= WINDOW_SCROLL_BAR_AREA_X (w
);
3606 /* Compute the width of the scroll bar which might be less than
3607 the width of the area reserved for the scroll bar. */
3608 if (WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
) > 0)
3609 sb_width
= WINDOW_CONFIG_SCROLL_BAR_WIDTH (w
);
3613 /* Compute the left edge of the scroll bar. */
3614 if (WINDOW_HAS_VERTICAL_SCROLL_BAR_ON_RIGHT (w
))
3615 sb_left
= left
+ width
- sb_width
- (width
- sb_width
) / 2;
3617 sb_left
= left
+ (width
- sb_width
) / 2;
3619 /* Does the scroll bar exist yet? */
3620 if (NILP (w
->vertical_scroll_bar
))
3624 if (width
> 0 && height
> 0)
3626 hdc
= get_frame_dc (f
);
3627 w32_clear_area (f
, hdc
, left
, top
, width
, height
);
3628 release_frame_dc (f
, hdc
);
3632 bar
= x_scroll_bar_create (w
, top
, sb_left
, sb_width
, height
);
3636 /* It may just need to be moved and resized. */
3639 bar
= XSCROLL_BAR (w
->vertical_scroll_bar
);
3640 hwnd
= SCROLL_BAR_W32_WINDOW (bar
);
3642 /* If already correctly positioned, do nothing. */
3643 if ( XINT (bar
->left
) == sb_left
3644 && XINT (bar
->top
) == top
3645 && XINT (bar
->width
) == sb_width
3646 && XINT (bar
->height
) == height
)
3648 /* Redraw after clear_frame. */
3649 if (!my_show_window (f
, hwnd
, SW_NORMAL
))
3650 InvalidateRect (hwnd
, NULL
, FALSE
);
3656 if (width
&& height
)
3658 hdc
= get_frame_dc (f
);
3659 /* Since Windows scroll bars are smaller than the space reserved
3660 for them on the frame, we have to clear "under" them. */
3661 w32_clear_area (f
, hdc
,
3666 release_frame_dc (f
, hdc
);
3668 /* Make sure scroll bar is "visible" before moving, to ensure the
3669 area of the parent window now exposed will be refreshed. */
3670 my_show_window (f
, hwnd
, SW_HIDE
);
3671 MoveWindow (hwnd
, sb_left
+ VERTICAL_SCROLL_BAR_WIDTH_TRIM
,
3672 top
, sb_width
- VERTICAL_SCROLL_BAR_WIDTH_TRIM
* 2,
3673 max (height
, 1), TRUE
);
3674 if (pfnSetScrollInfo
)
3678 si
.cbSize
= sizeof (si
);
3679 si
.fMask
= SIF_RANGE
;
3681 si
.nMax
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
)
3682 + VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3684 pfnSetScrollInfo (hwnd
, SB_CTL
, &si
, FALSE
);
3687 SetScrollRange (hwnd
, SB_CTL
, 0,
3688 VERTICAL_SCROLL_BAR_TOP_RANGE (f
, height
), FALSE
);
3689 my_show_window (f
, hwnd
, SW_NORMAL
);
3690 /* InvalidateRect (w, NULL, FALSE); */
3692 /* Remember new settings. */
3693 XSETINT (bar
->left
, sb_left
);
3694 XSETINT (bar
->top
, top
);
3695 XSETINT (bar
->width
, sb_width
);
3696 XSETINT (bar
->height
, height
);
3701 w32_set_scroll_bar_thumb (bar
, portion
, position
, whole
);
3703 XSETVECTOR (w
->vertical_scroll_bar
, bar
);
3707 /* The following three hooks are used when we're doing a thorough
3708 redisplay of the frame. We don't explicitly know which scroll bars
3709 are going to be deleted, because keeping track of when windows go
3710 away is a real pain - "Can you say set-window-configuration, boys
3711 and girls?" Instead, we just assert at the beginning of redisplay
3712 that *all* scroll bars are to be removed, and then save a scroll bar
3713 from the fiery pit when we actually redisplay its window. */
3715 /* Arrange for all scroll bars on FRAME to be removed at the next call
3716 to `*judge_scroll_bars_hook'. A scroll bar may be spared if
3717 `*redeem_scroll_bar_hook' is applied to its window before the judgment. */
3720 w32_condemn_scroll_bars (frame
)
3723 /* Transfer all the scroll bars to FRAME_CONDEMNED_SCROLL_BARS. */
3724 while (! NILP (FRAME_SCROLL_BARS (frame
)))
3727 bar
= FRAME_SCROLL_BARS (frame
);
3728 FRAME_SCROLL_BARS (frame
) = XSCROLL_BAR (bar
)->next
;
3729 XSCROLL_BAR (bar
)->next
= FRAME_CONDEMNED_SCROLL_BARS (frame
);
3730 XSCROLL_BAR (bar
)->prev
= Qnil
;
3731 if (! NILP (FRAME_CONDEMNED_SCROLL_BARS (frame
)))
3732 XSCROLL_BAR (FRAME_CONDEMNED_SCROLL_BARS (frame
))->prev
= bar
;
3733 FRAME_CONDEMNED_SCROLL_BARS (frame
) = bar
;
3738 /* Un-mark WINDOW's scroll bar for deletion in this judgment cycle.
3739 Note that WINDOW isn't necessarily condemned at all. */
3742 w32_redeem_scroll_bar (window
)
3743 struct window
*window
;
3745 struct scroll_bar
*bar
;
3748 /* We can't redeem this window's scroll bar if it doesn't have one. */
3749 if (NILP (window
->vertical_scroll_bar
))
3752 bar
= XSCROLL_BAR (window
->vertical_scroll_bar
);
3754 /* Unlink it from the condemned list. */
3755 f
= XFRAME (WINDOW_FRAME (window
));
3756 if (NILP (bar
->prev
))
3758 /* If the prev pointer is nil, it must be the first in one of
3760 if (EQ (FRAME_SCROLL_BARS (f
), window
->vertical_scroll_bar
))
3761 /* It's not condemned. Everything's fine. */
3763 else if (EQ (FRAME_CONDEMNED_SCROLL_BARS (f
),
3764 window
->vertical_scroll_bar
))
3765 FRAME_CONDEMNED_SCROLL_BARS (f
) = bar
->next
;
3767 /* If its prev pointer is nil, it must be at the front of
3768 one or the other! */
3772 XSCROLL_BAR (bar
->prev
)->next
= bar
->next
;
3774 if (! NILP (bar
->next
))
3775 XSCROLL_BAR (bar
->next
)->prev
= bar
->prev
;
3777 bar
->next
= FRAME_SCROLL_BARS (f
);
3779 XSETVECTOR (FRAME_SCROLL_BARS (f
), bar
);
3780 if (! NILP (bar
->next
))
3781 XSETVECTOR (XSCROLL_BAR (bar
->next
)->prev
, bar
);
3784 /* Remove all scroll bars on FRAME that haven't been saved since the
3785 last call to `*condemn_scroll_bars_hook'. */
3788 w32_judge_scroll_bars (f
)
3791 Lisp_Object bar
, next
;
3793 bar
= FRAME_CONDEMNED_SCROLL_BARS (f
);
3795 /* Clear out the condemned list now so we won't try to process any
3796 more events on the hapless scroll bars. */
3797 FRAME_CONDEMNED_SCROLL_BARS (f
) = Qnil
;
3799 for (; ! NILP (bar
); bar
= next
)
3801 struct scroll_bar
*b
= XSCROLL_BAR (bar
);
3803 x_scroll_bar_remove (b
);
3806 b
->next
= b
->prev
= Qnil
;
3809 /* Now there should be no references to the condemned scroll bars,
3810 and they should get garbage-collected. */
3813 /* Handle a mouse click on the scroll bar BAR. If *EMACS_EVENT's kind
3814 is set to something other than NO_EVENT, it is enqueued.
3816 This may be called from a signal handler, so we have to ignore GC
3820 w32_scroll_bar_handle_click (bar
, msg
, emacs_event
)
3821 struct scroll_bar
*bar
;
3823 struct input_event
*emacs_event
;
3825 if (! GC_WINDOWP (bar
->window
))
3828 emacs_event
->kind
= W32_SCROLL_BAR_CLICK_EVENT
;
3829 emacs_event
->code
= 0;
3830 /* not really meaningful to distinguish up/down */
3831 emacs_event
->modifiers
= msg
->dwModifiers
;
3832 emacs_event
->frame_or_window
= bar
->window
;
3833 emacs_event
->arg
= Qnil
;
3834 emacs_event
->timestamp
= msg
->msg
.time
;
3837 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3839 int dragging
= !NILP (bar
->dragging
);
3841 if (pfnGetScrollInfo
)
3845 si
.cbSize
= sizeof (si
);
3848 pfnGetScrollInfo ((HWND
) msg
->msg
.lParam
, SB_CTL
, &si
);
3852 y
= GetScrollPos ((HWND
) msg
->msg
.lParam
, SB_CTL
);
3854 bar
->dragging
= Qnil
;
3857 last_mouse_scroll_bar_pos
= msg
->msg
.wParam
;
3859 switch (LOWORD (msg
->msg
.wParam
))
3862 emacs_event
->part
= scroll_bar_down_arrow
;
3865 emacs_event
->part
= scroll_bar_up_arrow
;
3868 emacs_event
->part
= scroll_bar_above_handle
;
3871 emacs_event
->part
= scroll_bar_below_handle
;
3874 emacs_event
->part
= scroll_bar_handle
;
3878 emacs_event
->part
= scroll_bar_handle
;
3882 case SB_THUMBPOSITION
:
3883 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3884 y
= HIWORD (msg
->msg
.wParam
);
3886 emacs_event
->part
= scroll_bar_handle
;
3888 /* "Silently" update current position. */
3889 if (pfnSetScrollInfo
)
3893 si
.cbSize
= sizeof (si
);
3896 /* Remember apparent position (we actually lag behind the real
3897 position, so don't set that directly. */
3898 last_scroll_bar_drag_pos
= y
;
3900 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, FALSE
);
3903 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, FALSE
);
3906 /* If this is the end of a drag sequence, then reset the scroll
3907 handle size to normal and do a final redraw. Otherwise do
3911 if (pfnSetScrollInfo
)
3914 int start
= XINT (bar
->start
);
3915 int end
= XINT (bar
->end
);
3917 si
.cbSize
= sizeof (si
);
3918 si
.fMask
= SIF_PAGE
| SIF_POS
;
3919 si
.nPage
= end
- start
+ VERTICAL_SCROLL_BAR_MIN_HANDLE
;
3920 si
.nPos
= last_scroll_bar_drag_pos
;
3921 pfnSetScrollInfo (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, &si
, TRUE
);
3924 SetScrollPos (SCROLL_BAR_W32_WINDOW (bar
), SB_CTL
, y
, TRUE
);
3928 emacs_event
->kind
= NO_EVENT
;
3932 XSETINT (emacs_event
->x
, y
);
3933 XSETINT (emacs_event
->y
, top_range
);
3939 /* Return information to the user about the current position of the mouse
3940 on the scroll bar. */
3943 x_scroll_bar_report_motion (fp
, bar_window
, part
, x
, y
, time
)
3945 Lisp_Object
*bar_window
;
3946 enum scroll_bar_part
*part
;
3948 unsigned long *time
;
3950 struct scroll_bar
*bar
= XSCROLL_BAR (last_mouse_scroll_bar
);
3951 Window w
= SCROLL_BAR_W32_WINDOW (bar
);
3952 FRAME_PTR f
= XFRAME (WINDOW_FRAME (XWINDOW (bar
->window
)));
3954 int top_range
= VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
));
3959 *bar_window
= bar
->window
;
3961 if (pfnGetScrollInfo
)
3965 si
.cbSize
= sizeof (si
);
3966 si
.fMask
= SIF_POS
| SIF_PAGE
| SIF_RANGE
;
3968 pfnGetScrollInfo (w
, SB_CTL
, &si
);
3970 top_range
= si
.nMax
- si
.nPage
+ 1;
3973 pos
= GetScrollPos (w
, SB_CTL
);
3975 switch (LOWORD (last_mouse_scroll_bar_pos
))
3977 case SB_THUMBPOSITION
:
3979 *part
= scroll_bar_handle
;
3980 if (VERTICAL_SCROLL_BAR_TOP_RANGE (f
, XINT (bar
->height
)) <= 0xffff)
3981 pos
= HIWORD (last_mouse_scroll_bar_pos
);
3984 *part
= scroll_bar_handle
;
3988 *part
= scroll_bar_handle
;
3993 XSETINT (*y
, top_range
);
3996 last_mouse_scroll_bar
= Qnil
;
3998 *time
= last_mouse_movement_time
;
4004 /* The screen has been cleared so we may have changed foreground or
4005 background colors, and the scroll bars may need to be redrawn.
4006 Clear out the scroll bars, and ask for expose events, so we can
4010 x_scroll_bar_clear (f
)
4015 /* We can have scroll bars even if this is 0,
4016 if we just turned off scroll bar mode.
4017 But in that case we should not clear them. */
4018 if (FRAME_HAS_VERTICAL_SCROLL_BARS (f
))
4019 for (bar
= FRAME_SCROLL_BARS (f
); VECTORP (bar
);
4020 bar
= XSCROLL_BAR (bar
)->next
)
4022 HWND window
= SCROLL_BAR_W32_WINDOW (XSCROLL_BAR (bar
));
4023 HDC hdc
= GetDC (window
);
4026 /* Hide scroll bar until ready to repaint. x_scroll_bar_move
4027 arranges to refresh the scroll bar if hidden. */
4028 my_show_window (f
, window
, SW_HIDE
);
4030 GetClientRect (window
, &rect
);
4031 select_palette (f
, hdc
);
4032 w32_clear_rect (f
, hdc
, &rect
);
4033 deselect_palette (f
, hdc
);
4035 ReleaseDC (window
, hdc
);
4040 /* The main W32 event-reading loop - w32_read_socket. */
4042 /* Record the last 100 characters stored
4043 to help debug the loss-of-chars-during-GC problem. */
4045 static int temp_index
;
4046 static short temp_buffer
[100];
4049 /* Read events coming from the W32 shell.
4050 This routine is called by the SIGIO handler.
4051 We return as soon as there are no more events to be read.
4053 Events representing keys are stored in buffer BUFP,
4054 which can hold up to NUMCHARS characters.
4055 We return the number of characters stored into the buffer,
4056 thus pretending to be `read'.
4058 EXPECTED is nonzero if the caller knows input is available.
4060 Some of these messages are reposted back to the message queue since the
4061 system calls the windows proc directly in a context where we cannot return
4062 the data nor can we guarantee the state we are in. So if we dispatch them
4063 we will get into an infinite loop. To prevent this from ever happening we
4064 will set a variable to indicate we are in the read_socket call and indicate
4065 which message we are processing since the windows proc gets called
4066 recursively with different messages by the system.
4070 w32_read_socket (sd
, bufp
, numchars
, expected
)
4072 /* register */ struct input_event
*bufp
;
4073 /* register */ int numchars
;
4077 int check_visibility
= 0;
4080 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
4082 if (interrupt_input_blocked
)
4084 interrupt_input_pending
= 1;
4088 interrupt_input_pending
= 0;
4091 /* So people can tell when we have read the available input. */
4092 input_signal_count
++;
4095 abort (); /* Don't think this happens. */
4097 /* TODO: tool-bars, ghostscript integration, mouse
4099 while (get_next_msg (&msg
, FALSE
))
4101 switch (msg
.msg
.message
)
4104 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4108 if (msg
.rect
.right
== msg
.rect
.left
||
4109 msg
.rect
.bottom
== msg
.rect
.top
)
4111 /* We may get paint messages even though the client
4112 area is clipped - these are not expose events. */
4113 DebPrint (("clipped frame %p (%s) got WM_PAINT - ignored\n", f
,
4116 else if (f
->async_visible
!= 1)
4118 /* Definitely not obscured, so mark as visible. */
4119 f
->async_visible
= 1;
4120 f
->async_iconified
= 0;
4121 SET_FRAME_GARBAGED (f
);
4122 DebPrint (("frame %p (%s) reexposed by WM_PAINT\n", f
,
4125 /* WM_PAINT serves as MapNotify as well, so report
4126 visibility changes properly. */
4129 bufp
->kind
= DEICONIFY_EVENT
;
4130 XSETFRAME (bufp
->frame_or_window
, f
);
4136 else if (! NILP (Vframe_list
)
4137 && ! NILP (XCDR (Vframe_list
)))
4138 /* Force a redisplay sooner or later to update the
4139 frame titles in case this is the second frame. */
4140 record_asynch_buffer_change ();
4144 HDC hdc
= get_frame_dc (f
);
4146 /* Erase background again for safety. */
4147 w32_clear_rect (f
, hdc
, &msg
.rect
);
4148 release_frame_dc (f
, hdc
);
4152 msg
.rect
.right
- msg
.rect
.left
,
4153 msg
.rect
.bottom
- msg
.rect
.top
);
4158 case WM_INPUTLANGCHANGE
:
4159 /* Generate a language change event. */
4160 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4167 bufp
->kind
= LANGUAGE_CHANGE_EVENT
;
4168 XSETFRAME (bufp
->frame_or_window
, f
);
4170 bufp
->code
= msg
.msg
.wParam
;
4171 bufp
->modifiers
= msg
.msg
.lParam
& 0xffff;
4180 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4182 if (f
&& !f
->iconified
)
4184 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4186 dpyinfo
->mouse_face_hidden
= 1;
4187 clear_mouse_face (dpyinfo
);
4190 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4192 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4193 bufp
->kind
= NON_ASCII_KEYSTROKE_EVENT
;
4194 bufp
->code
= msg
.msg
.wParam
;
4195 bufp
->modifiers
= msg
.dwModifiers
;
4196 XSETFRAME (bufp
->frame_or_window
, f
);
4198 bufp
->timestamp
= msg
.msg
.time
;
4207 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4209 if (f
&& !f
->iconified
)
4211 if (!dpyinfo
->mouse_face_hidden
&& INTEGERP (Vmouse_highlight
))
4213 dpyinfo
->mouse_face_hidden
= 1;
4214 clear_mouse_face (dpyinfo
);
4217 if (temp_index
== sizeof temp_buffer
/ sizeof (short))
4219 temp_buffer
[temp_index
++] = msg
.msg
.wParam
;
4220 bufp
->kind
= ASCII_KEYSTROKE_EVENT
;
4221 bufp
->code
= msg
.msg
.wParam
;
4222 bufp
->modifiers
= msg
.dwModifiers
;
4223 XSETFRAME (bufp
->frame_or_window
, f
);
4225 bufp
->timestamp
= msg
.msg
.time
;
4233 /* Ignore non-movement. */
4235 int x
= LOWORD (msg
.msg
.lParam
);
4236 int y
= HIWORD (msg
.msg
.lParam
);
4237 if (x
== last_mousemove_x
&& y
== last_mousemove_y
)
4239 last_mousemove_x
= x
;
4240 last_mousemove_y
= y
;
4243 previous_help_echo_string
= help_echo_string
;
4245 if (dpyinfo
->grabbed
&& last_mouse_frame
4246 && FRAME_LIVE_P (last_mouse_frame
))
4247 f
= last_mouse_frame
;
4249 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4251 if (dpyinfo
->mouse_face_hidden
)
4253 dpyinfo
->mouse_face_hidden
= 0;
4254 clear_mouse_face (dpyinfo
);
4259 /* Generate SELECT_WINDOW_EVENTs when needed. */
4260 if (mouse_autoselect_window
)
4263 int x
= LOWORD (msg
.msg
.lParam
);
4264 int y
= HIWORD (msg
.msg
.lParam
);
4266 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 0);
4268 /* Window will be selected only when it is not
4269 selected now and last mouse movement event was
4270 not in it. Minibuffer window will be selected
4271 iff it is active. */
4273 && !EQ (window
, last_window
)
4274 && !EQ (window
, selected_window
)
4277 bufp
->kind
= SELECT_WINDOW_EVENT
;
4278 bufp
->frame_or_window
= window
;
4280 ++bufp
, ++count
, --numchars
;
4285 note_mouse_movement (f
, &msg
.msg
);
4289 /* If we move outside the frame, then we're
4290 certainly no longer on any text in the frame. */
4291 clear_mouse_face (dpyinfo
);
4294 /* If the contents of the global variable help_echo_string
4295 has changed, generate a HELP_EVENT. */
4296 if (help_echo_string
!= previous_help_echo_string
||
4297 (!NILP (help_echo_string
) && !STRINGP (help_echo_string
) && f
->mouse_moved
))
4302 if (help_echo_string
== Qnil
)
4304 help_echo_object
= help_echo_window
= Qnil
;
4309 XSETFRAME (frame
, f
);
4313 any_help_event_p
= 1;
4314 n
= gen_help_event (bufp
, numchars
, help_echo_string
, frame
,
4315 help_echo_window
, help_echo_object
,
4317 bufp
+= n
, count
+= n
, numchars
-= n
;
4321 case WM_LBUTTONDOWN
:
4323 case WM_MBUTTONDOWN
:
4325 case WM_RBUTTONDOWN
:
4327 case WM_XBUTTONDOWN
:
4330 /* If we decide we want to generate an event to be seen
4331 by the rest of Emacs, we put it here. */
4332 struct input_event emacs_event
;
4337 emacs_event
.kind
= NO_EVENT
;
4339 if (dpyinfo
->grabbed
&& last_mouse_frame
4340 && FRAME_LIVE_P (last_mouse_frame
))
4341 f
= last_mouse_frame
;
4343 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4347 construct_mouse_click (&emacs_event
, &msg
, f
);
4349 /* Is this in the tool-bar? */
4350 if (WINDOWP (f
->tool_bar_window
)
4351 && WINDOW_TOTAL_LINES (XWINDOW (f
->tool_bar_window
)))
4354 int x
= XFASTINT (emacs_event
.x
);
4355 int y
= XFASTINT (emacs_event
.y
);
4357 window
= window_from_coordinates (f
, x
, y
, 0, 0, 0, 1);
4359 if (EQ (window
, f
->tool_bar_window
))
4361 w32_handle_tool_bar_click (f
, &emacs_event
);
4367 if (!dpyinfo
->w32_focus_frame
4368 || f
== dpyinfo
->w32_focus_frame
4371 construct_mouse_click (bufp
, &msg
, f
);
4378 parse_button (msg
.msg
.message
, HIWORD (msg
.msg
.wParam
),
4383 dpyinfo
->grabbed
&= ~ (1 << button
);
4387 dpyinfo
->grabbed
|= (1 << button
);
4388 last_mouse_frame
= f
;
4389 /* Ignore any mouse motion that happened
4390 before this event; any subsequent mouse-movement
4391 Emacs events should reflect only motion after
4397 last_tool_bar_item
= -1;
4404 if (dpyinfo
->grabbed
&& last_mouse_frame
4405 && FRAME_LIVE_P (last_mouse_frame
))
4406 f
= last_mouse_frame
;
4408 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4413 if ((!dpyinfo
->w32_focus_frame
4414 || f
== dpyinfo
->w32_focus_frame
)
4417 /* Emit an Emacs wheel-up/down event. */
4418 construct_mouse_wheel (bufp
, &msg
, f
);
4423 /* Ignore any mouse motion that happened before this
4424 event; any subsequent mouse-movement Emacs events
4425 should reflect only motion after the
4429 last_mouse_frame
= f
;
4430 last_tool_bar_item
= -1;
4435 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4439 construct_drag_n_drop (bufp
, &msg
, f
);
4448 struct scroll_bar
*bar
=
4449 x_window_to_scroll_bar ((HWND
)msg
.msg
.lParam
);
4451 if (bar
&& numchars
>= 1)
4453 if (w32_scroll_bar_handle_click (bar
, &msg
, bufp
))
4463 case WM_WINDOWPOSCHANGED
:
4464 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4467 x_check_fullscreen_move(f
);
4468 if (f
->want_fullscreen
& FULLSCREEN_WAIT
)
4469 f
->want_fullscreen
&= ~(FULLSCREEN_WAIT
|FULLSCREEN_BOTH
);
4471 check_visibility
= 1;
4475 case WM_ACTIVATEAPP
:
4476 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4478 x_check_fullscreen (f
);
4479 check_visibility
= 1;
4483 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4485 if (f
&& !f
->async_iconified
)
4489 x_real_positions (f
, &x
, &y
);
4494 check_visibility
= 1;
4498 /* wParam non-zero means Window is about to be shown, 0 means
4499 about to be hidden. */
4500 /* Redo the mouse-highlight after the tooltip has gone. */
4501 if (!msg
.msg
.wParam
&& msg
.msg
.hwnd
== tip_window
)
4504 redo_mouse_highlight ();
4507 /* If window has been obscured or exposed by another window
4508 being maximised or minimised/restored, then recheck
4509 visibility of all frames. Direct changes to our own
4510 windows get handled by WM_SIZE. */
4512 if (msg
.msg
.lParam
!= 0)
4513 check_visibility
= 1;
4516 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4517 f
->async_visible
= msg
.msg
.wParam
;
4521 check_visibility
= 1;
4525 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4527 /* Inform lisp of whether frame has been iconified etc. */
4530 switch (msg
.msg
.wParam
)
4532 case SIZE_MINIMIZED
:
4533 f
->async_visible
= 0;
4534 f
->async_iconified
= 1;
4536 bufp
->kind
= ICONIFY_EVENT
;
4537 XSETFRAME (bufp
->frame_or_window
, f
);
4544 case SIZE_MAXIMIZED
:
4546 f
->async_visible
= 1;
4547 f
->async_iconified
= 0;
4549 /* wait_reading_process_input will notice this and update
4550 the frame's display structures. */
4551 SET_FRAME_GARBAGED (f
);
4557 /* Reset top and left positions of the Window
4558 here since Windows sends a WM_MOVE message
4559 BEFORE telling us the Window is minimized
4560 when the Window is iconified, with 3000,3000
4562 x_real_positions (f
, &x
, &y
);
4566 bufp
->kind
= DEICONIFY_EVENT
;
4567 XSETFRAME (bufp
->frame_or_window
, f
);
4573 else if (! NILP (Vframe_list
)
4574 && ! NILP (XCDR (Vframe_list
)))
4575 /* Force a redisplay sooner or later
4576 to update the frame titles
4577 in case this is the second frame. */
4578 record_asynch_buffer_change ();
4583 if (f
&& !f
->async_iconified
&& msg
.msg
.wParam
!= SIZE_MINIMIZED
)
4591 GetClientRect (msg
.msg
.hwnd
, &rect
);
4593 height
= rect
.bottom
- rect
.top
;
4594 width
= rect
.right
- rect
.left
;
4596 rows
= FRAME_PIXEL_HEIGHT_TO_TEXT_LINES (f
, height
);
4597 columns
= FRAME_PIXEL_WIDTH_TO_TEXT_COLS (f
, width
);
4599 /* TODO: Clip size to the screen dimensions. */
4601 /* Even if the number of character rows and columns has
4602 not changed, the font size may have changed, so we need
4603 to check the pixel dimensions as well. */
4605 if (columns
!= FRAME_COLS (f
)
4606 || rows
!= FRAME_LINES (f
)
4607 || width
!= FRAME_PIXEL_WIDTH (f
)
4608 || height
!= FRAME_PIXEL_HEIGHT (f
))
4610 change_frame_size (f
, rows
, columns
, 0, 1, 0);
4611 SET_FRAME_GARBAGED (f
);
4612 cancel_mouse_face (f
);
4613 FRAME_PIXEL_WIDTH (f
) = width
;
4614 FRAME_PIXEL_HEIGHT (f
) = height
;
4615 f
->win_gravity
= NorthWestGravity
;
4619 check_visibility
= 1;
4623 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4626 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4628 /* If we move outside the frame, then we're
4629 certainly no longer on any text in the frame. */
4630 clear_mouse_face (dpyinfo
);
4631 dpyinfo
->mouse_face_mouse_frame
= 0;
4634 /* Generate a nil HELP_EVENT to cancel a help-echo.
4635 Do it only if there's something to cancel.
4636 Otherwise, the startup message is cleared when
4637 the mouse leaves the frame. */
4638 if (any_help_event_p
)
4643 XSETFRAME (frame
, f
);
4644 help_echo_string
= Qnil
;
4645 n
= gen_help_event (bufp
, numchars
,
4646 Qnil
, frame
, Qnil
, Qnil
, 0);
4647 bufp
+= n
, count
+= n
, numchars
-= n
;
4653 /* TODO: Port this change:
4654 2002-06-28 Jan D. <jan.h.d@swipnet.se>
4655 * xterm.h (struct x_output): Add focus_state.
4656 * xterm.c (x_focus_changed): New function.
4657 (x_detect_focus_change): New function.
4658 (XTread_socket): Call x_detect_focus_change for FocusIn/FocusOut
4659 EnterNotify and LeaveNotify to track X focus changes.
4661 f
= x_any_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4663 dpyinfo
->w32_focus_event_frame
= f
;
4666 x_new_focus_frame (dpyinfo
, f
);
4669 dpyinfo
->grabbed
= 0;
4670 check_visibility
= 1;
4674 /* TODO: some of this belongs in MOUSE_LEAVE */
4675 f
= x_top_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4679 if (f
== dpyinfo
->w32_focus_event_frame
)
4680 dpyinfo
->w32_focus_event_frame
= 0;
4682 if (f
== dpyinfo
->w32_focus_frame
)
4683 x_new_focus_frame (dpyinfo
, 0);
4685 if (f
== dpyinfo
->mouse_face_mouse_frame
)
4687 /* If we move outside the frame, then we're
4688 certainly no longer on any text in the frame. */
4689 clear_mouse_face (dpyinfo
);
4690 dpyinfo
->mouse_face_mouse_frame
= 0;
4693 /* Generate a nil HELP_EVENT to cancel a help-echo.
4694 Do it only if there's something to cancel.
4695 Otherwise, the startup message is cleared when
4696 the mouse leaves the frame. */
4697 if (any_help_event_p
)
4702 XSETFRAME (frame
, f
);
4703 help_echo_string
= Qnil
;
4704 n
= gen_help_event (bufp
, numchars
,
4705 Qnil
, frame
, Qnil
, Qnil
, 0);
4706 bufp
+= n
, count
+= n
, numchars
-=n
;
4710 dpyinfo
->grabbed
= 0;
4711 check_visibility
= 1;
4715 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4722 bufp
->kind
= DELETE_WINDOW_EVENT
;
4723 XSETFRAME (bufp
->frame_or_window
, f
);
4732 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4739 bufp
->kind
= MENU_BAR_ACTIVATE_EVENT
;
4740 XSETFRAME (bufp
->frame_or_window
, f
);
4749 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4753 extern void menubar_selection_callback
4754 (FRAME_PTR f
, void * client_data
);
4755 menubar_selection_callback (f
, (void *)msg
.msg
.wParam
);
4758 check_visibility
= 1;
4761 case WM_DISPLAYCHANGE
:
4762 f
= x_window_to_frame (dpyinfo
, msg
.msg
.hwnd
);
4766 dpyinfo
->width
= (short) LOWORD (msg
.msg
.lParam
);
4767 dpyinfo
->height
= (short) HIWORD (msg
.msg
.lParam
);
4768 dpyinfo
->n_cbits
= msg
.msg
.wParam
;
4769 DebPrint (("display change: %d %d\n", dpyinfo
->width
,
4773 check_visibility
= 1;
4777 /* Check for messages registered at runtime. */
4778 if (msg
.msg
.message
== msh_mousewheel
)
4780 /* Forward MSH_MOUSEWHEEL as WM_MOUSEWHEEL. */
4781 msg
.msg
.message
== WM_MOUSEWHEEL
;
4788 /* If the focus was just given to an autoraising frame,
4790 /* ??? This ought to be able to handle more than one such frame. */
4791 if (pending_autoraise_frame
)
4793 x_raise_frame (pending_autoraise_frame
);
4794 pending_autoraise_frame
= 0;
4797 /* Check which frames are still visisble, if we have enqueued any user
4798 events or been notified of events that may affect visibility. We
4799 do this here because there doesn't seem to be any direct
4800 notification from Windows that the visibility of a window has
4801 changed (at least, not in all cases). */
4802 if (count
> 0 || check_visibility
)
4804 Lisp_Object tail
, frame
;
4806 FOR_EACH_FRAME (tail
, frame
)
4808 FRAME_PTR f
= XFRAME (frame
);
4809 /* The tooltip has been drawn already. Avoid the
4810 SET_FRAME_GARBAGED below. */
4811 if (EQ (frame
, tip_frame
))
4814 /* Check "visible" frames and mark each as obscured or not.
4815 Note that async_visible is nonzero for unobscured and
4816 obscured frames, but zero for hidden and iconified frames. */
4817 if (FRAME_W32_P (f
) && f
->async_visible
)
4823 /* Query clipping rectangle for the entire window area
4824 (GetWindowDC), not just the client portion (GetDC).
4825 Otherwise, the scrollbars and menubar aren't counted as
4826 part of the visible area of the frame, and we may think
4827 the frame is obscured when really a scrollbar is still
4828 visible and gets WM_PAINT messages above. */
4829 hdc
= GetWindowDC (FRAME_W32_WINDOW (f
));
4830 GetClipBox (hdc
, &clipbox
);
4831 ReleaseDC (FRAME_W32_WINDOW (f
), hdc
);
4834 if (clipbox
.right
== clipbox
.left
4835 || clipbox
.bottom
== clipbox
.top
)
4837 /* Frame has become completely obscured so mark as
4838 such (we do this by setting async_visible to 2 so
4839 that FRAME_VISIBLE_P is still true, but redisplay
4841 f
->async_visible
= 2;
4843 if (!FRAME_OBSCURED_P (f
))
4845 DebPrint (("frame %p (%s) obscured\n", f
,
4851 /* Frame is not obscured, so mark it as such. */
4852 f
->async_visible
= 1;
4854 if (FRAME_OBSCURED_P (f
))
4856 SET_FRAME_GARBAGED (f
);
4857 DebPrint (("obscured frame %p (%s) found to be visible\n", f
,
4860 /* Force a redisplay sooner or later. */
4861 record_asynch_buffer_change ();
4875 /***********************************************************************
4877 ***********************************************************************/
4879 /* Set clipping for output in glyph row ROW. W is the window in which
4880 we operate. GC is the graphics context to set clipping in.
4882 ROW may be a text row or, e.g., a mode line. Text rows must be
4883 clipped to the interior of the window dedicated to text display,
4884 mode lines must be clipped to the whole window. */
4887 w32_clip_to_row (w
, row
, hdc
)
4889 struct glyph_row
*row
;
4892 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4894 int window_y
, window_width
;
4896 window_box (w
, -1, 0, &window_y
, &window_width
, 0);
4898 clip_rect
.left
= WINDOW_TO_FRAME_PIXEL_X (w
, 0);
4899 clip_rect
.top
= WINDOW_TO_FRAME_PIXEL_Y (w
, row
->y
);
4900 clip_rect
.top
= max (clip_rect
.top
, window_y
);
4901 clip_rect
.right
= clip_rect
.left
+ window_width
;
4902 clip_rect
.bottom
= clip_rect
.top
+ row
->visible_height
;
4904 w32_set_clip_rectangle (hdc
, &clip_rect
);
4908 /* Draw a hollow box cursor on window W in glyph row ROW. */
4911 x_draw_hollow_cursor (w
, row
)
4913 struct glyph_row
*row
;
4915 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
4919 struct glyph
*cursor_glyph
;
4920 HBRUSH hb
= CreateSolidBrush (f
->output_data
.w32
->cursor_pixel
);
4922 /* Compute frame-relative coordinates from window-relative
4924 rect
.left
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
4925 rect
.top
= (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
4926 + row
->ascent
- w
->phys_cursor_ascent
);
4927 rect
.bottom
= rect
.top
+ row
->height
;
4929 /* Get the glyph the cursor is on. If we can't tell because
4930 the current matrix is invalid or such, give up. */
4931 cursor_glyph
= get_phys_cursor_glyph (w
);
4932 if (cursor_glyph
== NULL
)
4935 /* Compute the width of the rectangle to draw. If on a stretch
4936 glyph, and `x-stretch-block-cursor' is nil, don't draw a
4937 rectangle as wide as the glyph, but use a canonical character
4939 wd
= cursor_glyph
->pixel_width
;
4940 if (cursor_glyph
->type
== STRETCH_GLYPH
4941 && !x_stretch_cursor_p
)
4942 wd
= min (FRAME_COLUMN_WIDTH (f
), wd
);
4943 w
->phys_cursor_width
= wd
;
4945 rect
.right
= rect
.left
+ wd
;
4946 hdc
= get_frame_dc (f
);
4947 /* Set clipping, draw the rectangle, and reset clipping again. */
4948 w32_clip_to_row (w
, row
, hdc
);
4949 FrameRect (hdc
, &rect
, hb
);
4951 w32_set_clip_rectangle (hdc
, NULL
);
4952 release_frame_dc (f
, hdc
);
4956 /* Draw a bar cursor on window W in glyph row ROW.
4958 Implementation note: One would like to draw a bar cursor with an
4959 angle equal to the one given by the font property XA_ITALIC_ANGLE.
4960 Unfortunately, I didn't find a font yet that has this property set.
4964 x_draw_bar_cursor (w
, row
, width
, kind
)
4966 struct glyph_row
*row
;
4968 enum text_cursor_kinds kind
;
4970 struct frame
*f
= XFRAME (w
->frame
);
4971 struct glyph
*cursor_glyph
;
4975 /* If cursor is out of bounds, don't draw garbage. This can happen
4976 in mini-buffer windows when switching between echo area glyphs
4978 cursor_glyph
= get_phys_cursor_glyph (w
);
4979 if (cursor_glyph
== NULL
)
4982 /* If on an image, draw like a normal cursor. That's usually better
4983 visible than drawing a bar, esp. if the image is large so that
4984 the bar might not be in the window. */
4985 if (cursor_glyph
->type
== IMAGE_GLYPH
)
4987 struct glyph_row
*row
;
4988 row
= MATRIX_ROW (w
->current_matrix
, w
->phys_cursor
.vpos
);
4989 draw_phys_cursor_glyph (w
, row
, DRAW_CURSOR
);
4993 COLORREF cursor_color
= f
->output_data
.w32
->cursor_pixel
;
4994 struct face
*face
= FACE_FROM_ID (f
, cursor_glyph
->face_id
);
4996 /* If the glyph's background equals the color we normally draw
4997 the bar cursor in, the bar cursor in its normal color is
4998 invisible. Use the glyph's foreground color instead in this
4999 case, on the assumption that the glyph's colors are chosen so
5000 that the glyph is legible. */
5001 if (face
->background
== cursor_color
)
5002 cursor_color
= face
->foreground
;
5004 x
= WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5007 width
= FRAME_CURSOR_WIDTH (f
);
5008 width
= min (cursor_glyph
->pixel_width
, width
);
5010 w
->phys_cursor_width
= width
;
5013 hdc
= get_frame_dc (f
);
5014 w32_clip_to_row (w
, row
, hdc
);
5016 if (kind
== BAR_CURSOR
)
5018 w32_fill_area (f
, hdc
, cursor_color
, x
,
5019 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
),
5020 width
, row
->height
);
5024 w32_fill_area (f
, hdc
, cursor_color
, x
,
5025 WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
+
5026 row
->height
- width
),
5027 cursor_glyph
->pixel_width
, width
);
5030 w32_set_clip_rectangle (hdc
, NULL
);
5031 release_frame_dc (f
, hdc
);
5036 /* RIF: Define cursor CURSOR on frame F. */
5039 w32_define_frame_cursor (f
, cursor
)
5043 w32_define_cursor (FRAME_W32_WINDOW (f
), cursor
);
5047 /* RIF: Clear area on frame F. */
5050 w32_clear_frame_area (f
, x
, y
, width
, height
)
5052 int x
, y
, width
, height
;
5056 hdc
= get_frame_dc (f
);
5057 w32_clear_area (f
, hdc
, x
, y
, width
, height
);
5058 release_frame_dc (f
, hdc
);
5061 /* RIF: Draw or clear cursor on window W. */
5064 w32_draw_window_cursor (w
, glyph_row
, x
, y
, cursor_type
, cursor_width
, on_p
, active_p
)
5066 struct glyph_row
*glyph_row
;
5068 int cursor_type
, cursor_width
;
5073 /* If the user wants to use the system caret, make sure our own
5074 cursor remains invisible. */
5075 if (w32_use_visible_system_caret
)
5077 if (w
->phys_cursor_type
!= NO_CURSOR
)
5078 erase_phys_cursor (w
);
5080 cursor_type
= w
->phys_cursor_type
= NO_CURSOR
;
5081 w
->phys_cursor_width
= -1;
5085 w
->phys_cursor_type
= cursor_type
;
5088 w
->phys_cursor_on_p
= 1;
5090 /* If this is the active cursor, we need to track it with the
5091 system caret, so third party software like screen magnifiers
5092 and speech synthesizers can follow the cursor. */
5095 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
5096 HWND hwnd
= FRAME_W32_WINDOW (f
);
5099 = WINDOW_TEXT_TO_FRAME_PIXEL_X (w
, w
->phys_cursor
.x
);
5101 = (WINDOW_TO_FRAME_PIXEL_Y (w
, w
->phys_cursor
.y
)
5102 + glyph_row
->ascent
- w
->phys_cursor_ascent
);
5104 /* If the size of the active cursor changed, destroy the old
5106 if (w32_system_caret_hwnd
5107 && (w32_system_caret_height
!= w
->phys_cursor_height
))
5108 PostMessage (hwnd
, WM_EMACS_DESTROY_CARET
, 0, 0);
5110 w32_system_caret_height
= w
->phys_cursor_height
;
5112 /* Move the system caret. */
5113 PostMessage (hwnd
, WM_EMACS_TRACK_CARET
, 0, 0);
5116 switch (cursor_type
)
5118 case HOLLOW_BOX_CURSOR
:
5119 x_draw_hollow_cursor (w
, glyph_row
);
5122 case FILLED_BOX_CURSOR
:
5123 draw_phys_cursor_glyph (w
, glyph_row
, DRAW_CURSOR
);
5127 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, BAR_CURSOR
);
5131 x_draw_bar_cursor (w
, glyph_row
, cursor_width
, HBAR_CURSOR
);
5135 w
->phys_cursor_width
= 0;
5149 x_bitmap_icon (f
, icon
)
5155 if (FRAME_W32_WINDOW (f
) == 0)
5159 hicon
= LoadIcon (hinst
, EMACS_CLASS
);
5160 else if (STRINGP (icon
))
5161 hicon
= LoadImage (NULL
, (LPCTSTR
) SDATA (icon
), IMAGE_ICON
, 0, 0,
5162 LR_DEFAULTSIZE
| LR_LOADFROMFILE
);
5163 else if (SYMBOLP (icon
))
5167 if (EQ (icon
, intern ("application")))
5168 name
= (LPCTSTR
) IDI_APPLICATION
;
5169 else if (EQ (icon
, intern ("hand")))
5170 name
= (LPCTSTR
) IDI_HAND
;
5171 else if (EQ (icon
, intern ("question")))
5172 name
= (LPCTSTR
) IDI_QUESTION
;
5173 else if (EQ (icon
, intern ("exclamation")))
5174 name
= (LPCTSTR
) IDI_EXCLAMATION
;
5175 else if (EQ (icon
, intern ("asterisk")))
5176 name
= (LPCTSTR
) IDI_ASTERISK
;
5177 else if (EQ (icon
, intern ("winlogo")))
5178 name
= (LPCTSTR
) IDI_WINLOGO
;
5182 hicon
= LoadIcon (NULL
, name
);
5190 PostMessage (FRAME_W32_WINDOW (f
), WM_SETICON
, (WPARAM
) ICON_BIG
,
5197 /************************************************************************
5199 ************************************************************************/
5201 /* Display Error Handling functions not used on W32. Listing them here
5202 helps diff stay in step when comparing w32term.c with xterm.c.
5204 x_error_catcher (display, error)
5205 x_catch_errors (dpy)
5206 x_catch_errors_unwind (old_val)
5207 x_check_errors (dpy, format)
5208 x_had_errors_p (dpy)
5209 x_clear_errors (dpy)
5210 x_uncatch_errors (dpy, count)
5212 x_connection_signal (signalnum)
5213 x_connection_closed (dpy, error_message)
5214 x_error_quitter (display, error)
5215 x_error_handler (display, error)
5216 x_io_error_quitter (display)
5221 /* Changing the font of the frame. */
5223 /* Give frame F the font named FONTNAME as its default font, and
5224 return the full name of that font. FONTNAME may be a wildcard
5225 pattern; in that case, we choose some font that fits the pattern.
5226 The return value shows which font we chose. */
5229 x_new_font (f
, fontname
)
5231 register char *fontname
;
5233 struct font_info
*fontp
5234 = FS_LOAD_FONT (f
, 0, fontname
, -1);
5239 FRAME_FONT (f
) = (XFontStruct
*) (fontp
->font
);
5240 FRAME_BASELINE_OFFSET (f
) = fontp
->baseline_offset
;
5241 FRAME_FONTSET (f
) = -1;
5243 FRAME_COLUMN_WIDTH (f
) = FONT_WIDTH (FRAME_FONT (f
));
5244 FRAME_LINE_HEIGHT (f
) = FONT_HEIGHT (FRAME_FONT (f
));
5246 compute_fringe_widths (f
, 1);
5248 /* Compute the scroll bar width in character columns. */
5249 if (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) > 0)
5251 int wid
= FRAME_COLUMN_WIDTH (f
);
5252 FRAME_CONFIG_SCROLL_BAR_COLS (f
)
5253 = (FRAME_CONFIG_SCROLL_BAR_WIDTH (f
) + wid
-1) / wid
;
5257 int wid
= FRAME_COLUMN_WIDTH (f
);
5258 FRAME_CONFIG_SCROLL_BAR_COLS (f
) = (14 + wid
- 1) / wid
;
5261 /* Now make the frame display the given font. */
5262 if (FRAME_W32_WINDOW (f
) != 0)
5264 if (NILP (tip_frame
) || XFRAME (tip_frame
) != f
)
5265 x_set_window_size (f
, 0, FRAME_COLS (f
), FRAME_LINES (f
));
5268 return build_string (fontp
->full_name
);
5271 /* Give frame F the fontset named FONTSETNAME as its default font, and
5272 return the full name of that fontset. FONTSETNAME may be a wildcard
5273 pattern; in that case, we choose some fontset that fits the pattern.
5274 The return value shows which fontset we chose. */
5277 x_new_fontset (f
, fontsetname
)
5281 int fontset
= fs_query_fontset (build_string (fontsetname
), 0);
5287 if (FRAME_FONTSET (f
) == fontset
)
5288 /* This fontset is already set in frame F. There's nothing more
5290 return fontset_name (fontset
);
5292 result
= x_new_font (f
, (SDATA (fontset_ascii (fontset
))));
5294 if (!STRINGP (result
))
5295 /* Can't load ASCII font. */
5298 /* Since x_new_font doesn't update any fontset information, do it now. */
5299 FRAME_FONTSET(f
) = fontset
;
5301 return build_string (fontsetname
);
5305 /***********************************************************************
5306 TODO: W32 Input Methods
5307 ***********************************************************************/
5308 /* Listing missing functions from xterm.c helps diff stay in step.
5310 xim_destroy_callback (xim, client_data, call_data)
5311 xim_open_dpy (dpyinfo, resource_name)
5313 xim_instantiate_callback (display, client_data, call_data)
5314 xim_initialize (dpyinfo, resource_name)
5315 xim_close_dpy (dpyinfo)
5320 /* Calculate the absolute position in frame F
5321 from its current recorded position values and gravity. */
5324 x_calc_absolute_position (f
)
5328 int flags
= f
->size_hint_flags
;
5332 /* Find the position of the outside upper-left corner of
5333 the inner window, with respect to the outer window.
5334 But do this only if we will need the results. */
5335 if (f
->output_data
.w32
->parent_desc
!= FRAME_W32_DISPLAY_INFO (f
)->root_window
)
5338 MapWindowPoints (FRAME_W32_WINDOW (f
),
5339 f
->output_data
.w32
->parent_desc
,
5346 rt
.left
= rt
.right
= rt
.top
= rt
.bottom
= 0;
5349 AdjustWindowRect(&rt
, f
->output_data
.w32
->dwStyle
,
5350 FRAME_EXTERNAL_MENU_BAR (f
));
5353 pt
.x
+= (rt
.right
- rt
.left
);
5354 pt
.y
+= (rt
.bottom
- rt
.top
);
5357 /* Treat negative positions as relative to the leftmost bottommost
5358 position that fits on the screen. */
5359 if (flags
& XNegative
)
5360 f
->left_pos
= (FRAME_W32_DISPLAY_INFO (f
)->width
5361 - 2 * f
->border_width
- pt
.x
5362 - FRAME_PIXEL_WIDTH (f
)
5365 if (flags
& YNegative
)
5366 f
->top_pos
= (FRAME_W32_DISPLAY_INFO (f
)->height
5367 - 2 * f
->border_width
- pt
.y
5368 - FRAME_PIXEL_HEIGHT (f
)
5370 /* The left_pos and top_pos
5371 are now relative to the top and left screen edges,
5372 so the flags should correspond. */
5373 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5376 /* CHANGE_GRAVITY is 1 when calling from Fset_frame_position,
5377 to really change the position, and 0 when calling from
5378 x_make_frame_visible (in that case, XOFF and YOFF are the current
5379 position values). It is -1 when calling from x_set_frame_parameters,
5380 which means, do adjust for borders but don't change the gravity. */
5383 x_set_offset (f
, xoff
, yoff
, change_gravity
)
5385 register int xoff
, yoff
;
5388 int modified_top
, modified_left
;
5390 if (change_gravity
> 0)
5394 f
->size_hint_flags
&= ~ (XNegative
| YNegative
);
5396 f
->size_hint_flags
|= XNegative
;
5398 f
->size_hint_flags
|= YNegative
;
5399 f
->win_gravity
= NorthWestGravity
;
5401 x_calc_absolute_position (f
);
5404 x_wm_set_size_hint (f
, (long) 0, 0);
5406 modified_left
= f
->left_pos
;
5407 modified_top
= f
->top_pos
;
5409 my_set_window_pos (FRAME_W32_WINDOW (f
),
5411 modified_left
, modified_top
,
5413 SWP_NOZORDER
| SWP_NOSIZE
| SWP_NOACTIVATE
);
5418 /* Check if we need to resize the frame due to a fullscreen request.
5419 If so needed, resize the frame. */
5421 x_check_fullscreen (f
)
5424 if (f
->want_fullscreen
& FULLSCREEN_BOTH
)
5426 int width
, height
, ign
;
5428 x_real_positions (f
, &f
->left_pos
, &f
->top_pos
);
5430 x_fullscreen_adjust (f
, &width
, &height
, &ign
, &ign
);
5432 /* We do not need to move the window, it shall be taken care of
5433 when setting WM manager hints.
5434 If the frame is visible already, the position is checked by
5435 x_check_fullscreen_move. */
5436 if (FRAME_COLS (f
) != width
|| FRAME_LINES (f
) != height
)
5438 change_frame_size (f
, height
, width
, 0, 1, 0);
5439 SET_FRAME_GARBAGED (f
);
5440 cancel_mouse_face (f
);
5442 /* Wait for the change of frame size to occur */
5443 f
->want_fullscreen
|= FULLSCREEN_WAIT
;
5448 /* If frame parameters are set after the frame is mapped, we need to move
5449 the window. This is done in xfns.c.
5450 Some window managers moves the window to the right position, some
5451 moves the outer window manager window to the specified position.
5452 Here we check that we are in the right spot. If not, make a second
5453 move, assuming we are dealing with the second kind of window manager. */
5455 x_check_fullscreen_move (f
)
5458 if (f
->want_fullscreen
& FULLSCREEN_MOVE_WAIT
)
5460 int expect_top
= f
->top_pos
;
5461 int expect_left
= f
->left_pos
;
5463 if (f
->want_fullscreen
& FULLSCREEN_HEIGHT
)
5465 if (f
->want_fullscreen
& FULLSCREEN_WIDTH
)
5468 if (expect_top
!= f
->top_pos
5469 || expect_left
!= f
->left_pos
)
5470 x_set_offset (f
, expect_left
, expect_top
, 1);
5472 /* Just do this once */
5473 f
->want_fullscreen
&= ~FULLSCREEN_MOVE_WAIT
;
5478 /* Call this to change the size of frame F's x-window.
5479 If CHANGE_GRAVITY is 1, we change to top-left-corner window gravity
5480 for this size change and subsequent size changes.
5481 Otherwise we leave the window gravity unchanged. */
5484 x_set_window_size (f
, change_gravity
, cols
, rows
)
5489 int pixelwidth
, pixelheight
;
5493 check_frame_size (f
, &rows
, &cols
);
5494 f
->scroll_bar_actual_width
5495 = FRAME_SCROLL_BAR_COLS (f
) * FRAME_COLUMN_WIDTH (f
);
5497 compute_fringe_widths (f
, 0);
5499 pixelwidth
= FRAME_TEXT_COLS_TO_PIXEL_WIDTH (f
, cols
);
5500 pixelheight
= FRAME_TEXT_LINES_TO_PIXEL_HEIGHT (f
, rows
);
5502 f
->win_gravity
= NorthWestGravity
;
5503 x_wm_set_size_hint (f
, (long) 0, 0);
5508 rect
.left
= rect
.top
= 0;
5509 rect
.right
= pixelwidth
;
5510 rect
.bottom
= pixelheight
;
5512 AdjustWindowRect(&rect
, f
->output_data
.w32
->dwStyle
,
5513 FRAME_EXTERNAL_MENU_BAR (f
));
5515 my_set_window_pos (FRAME_W32_WINDOW (f
),
5518 rect
.right
- rect
.left
,
5519 rect
.bottom
- rect
.top
,
5520 SWP_NOZORDER
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5523 /* Now, strictly speaking, we can't be sure that this is accurate,
5524 but the window manager will get around to dealing with the size
5525 change request eventually, and we'll hear how it went when the
5526 ConfigureNotify event gets here.
5528 We could just not bother storing any of this information here,
5529 and let the ConfigureNotify event set everything up, but that
5530 might be kind of confusing to the Lisp code, since size changes
5531 wouldn't be reported in the frame parameters until some random
5532 point in the future when the ConfigureNotify event arrives.
5534 We pass 1 for DELAY since we can't run Lisp code inside of
5536 change_frame_size (f
, rows
, cols
, 0, 1, 0);
5537 FRAME_PIXEL_WIDTH (f
) = pixelwidth
;
5538 FRAME_PIXEL_HEIGHT (f
) = pixelheight
;
5540 /* We've set {FRAME,PIXEL}_{WIDTH,HEIGHT} to the values we hope to
5541 receive in the ConfigureNotify event; if we get what we asked
5542 for, then the event won't cause the screen to become garbaged, so
5543 we have to make sure to do it here. */
5544 SET_FRAME_GARBAGED (f
);
5546 /* If cursor was outside the new size, mark it as off. */
5547 mark_window_cursors_off (XWINDOW (f
->root_window
));
5549 /* Clear out any recollection of where the mouse highlighting was,
5550 since it might be in a place that's outside the new frame size.
5551 Actually checking whether it is outside is a pain in the neck,
5552 so don't try--just let the highlighting be done afresh with new size. */
5553 cancel_mouse_face (f
);
5558 /* Mouse warping. */
5560 void x_set_mouse_pixel_position (struct frame
*f
, int pix_x
, int pix_y
);
5563 x_set_mouse_position (f
, x
, y
)
5569 pix_x
= FRAME_COL_TO_PIXEL_X (f
, x
) + FRAME_COLUMN_WIDTH (f
) / 2;
5570 pix_y
= FRAME_LINE_TO_PIXEL_Y (f
, y
) + FRAME_LINE_HEIGHT (f
) / 2;
5572 if (pix_x
< 0) pix_x
= 0;
5573 if (pix_x
> FRAME_PIXEL_WIDTH (f
)) pix_x
= FRAME_PIXEL_WIDTH (f
);
5575 if (pix_y
< 0) pix_y
= 0;
5576 if (pix_y
> FRAME_PIXEL_HEIGHT (f
)) pix_y
= FRAME_PIXEL_HEIGHT (f
);
5578 x_set_mouse_pixel_position (f
, pix_x
, pix_y
);
5582 x_set_mouse_pixel_position (f
, pix_x
, pix_y
)
5591 GetClientRect (FRAME_W32_WINDOW (f
), &rect
);
5592 pt
.x
= rect
.left
+ pix_x
;
5593 pt
.y
= rect
.top
+ pix_y
;
5594 ClientToScreen (FRAME_W32_WINDOW (f
), &pt
);
5596 SetCursorPos (pt
.x
, pt
.y
);
5602 /* focus shifting, raising and lowering. */
5605 x_focus_on_frame (f
)
5608 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
5610 /* Give input focus to frame. */
5613 /* Try not to change its Z-order if possible. */
5614 if (x_window_to_frame (dpyinfo
, GetForegroundWindow ()))
5615 my_set_focus (f
, FRAME_W32_WINDOW (f
));
5618 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5628 /* Raise frame F. */
5635 /* Strictly speaking, raise-frame should only change the frame's Z
5636 order, leaving input focus unchanged. This is reasonable behaviour
5637 on X where the usual policy is point-to-focus. However, this
5638 behaviour would be very odd on Windows where the usual policy is
5641 On X, if the mouse happens to be over the raised frame, it gets
5642 input focus anyway (so the window with focus will never be
5643 completely obscured) - if not, then just moving the mouse over it
5644 is sufficient to give it focus. On Windows, the user must actually
5645 click on the frame (preferrably the title bar so as not to move
5646 point), which is more awkward. Also, no other Windows program
5647 raises a window to the top but leaves another window (possibly now
5648 completely obscured) with input focus.
5650 Because there is a system setting on Windows that allows the user
5651 to choose the point to focus policy, we make the strict semantics
5652 optional, but by default we grab focus when raising. */
5654 if (NILP (Vw32_grab_focus_on_raise
))
5656 /* The obvious call to my_set_window_pos doesn't work if Emacs is
5657 not already the foreground application: the frame is raised
5658 above all other frames belonging to us, but not above the
5659 current top window. To achieve that, we have to resort to this
5660 more cumbersome method. */
5662 HDWP handle
= BeginDeferWindowPos (2);
5665 DeferWindowPos (handle
,
5666 FRAME_W32_WINDOW (f
),
5669 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5671 DeferWindowPos (handle
,
5672 GetForegroundWindow (),
5673 FRAME_W32_WINDOW (f
),
5675 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5677 EndDeferWindowPos (handle
);
5682 my_set_foreground_window (FRAME_W32_WINDOW (f
));
5688 /* Lower frame F. */
5694 my_set_window_pos (FRAME_W32_WINDOW (f
),
5697 SWP_NOSIZE
| SWP_NOMOVE
| SWP_NOACTIVATE
);
5702 w32_frame_raise_lower (f
, raise_flag
)
5706 if (! FRAME_W32_P (f
))
5715 /* Change of visibility. */
5717 /* This tries to wait until the frame is really visible.
5718 However, if the window manager asks the user where to position
5719 the frame, this will return before the user finishes doing that.
5720 The frame will not actually be visible at that time,
5721 but it will become visible later when the window manager
5722 finishes with it. */
5725 x_make_frame_visible (f
)
5732 type
= x_icon_type (f
);
5734 x_bitmap_icon (f
, type
);
5736 if (! FRAME_VISIBLE_P (f
))
5738 /* We test FRAME_GARBAGED_P here to make sure we don't
5739 call x_set_offset a second time
5740 if we get to x_make_frame_visible a second time
5741 before the window gets really visible. */
5742 if (! FRAME_ICONIFIED_P (f
)
5743 && ! f
->output_data
.w32
->asked_for_visible
)
5744 x_set_offset (f
, f
->left_pos
, f
->top_pos
, 0);
5746 f
->output_data
.w32
->asked_for_visible
= 1;
5748 /* my_show_window (f, FRAME_W32_WINDOW (f), f->async_iconified ? SW_RESTORE : SW_SHOW); */
5749 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_SHOWNORMAL
);
5752 /* Synchronize to ensure Emacs knows the frame is visible
5753 before we do anything else. We do this loop with input not blocked
5754 so that incoming events are handled. */
5759 /* This must come after we set COUNT. */
5762 XSETFRAME (frame
, f
);
5764 /* Wait until the frame is visible. Process X events until a
5765 MapNotify event has been seen, or until we think we won't get a
5766 MapNotify at all.. */
5767 for (count
= input_signal_count
+ 10;
5768 input_signal_count
< count
&& !FRAME_VISIBLE_P (f
);)
5770 /* Force processing of queued events. */
5771 /* TODO: x_sync equivalent? */
5773 /* Machines that do polling rather than SIGIO have been observed
5774 to go into a busy-wait here. So we'll fake an alarm signal
5775 to let the handler know that there's something to be read.
5776 We used to raise a real alarm, but it seems that the handler
5777 isn't always enabled here. This is probably a bug. */
5778 if (input_polling_used ())
5780 /* It could be confusing if a real alarm arrives while processing
5781 the fake one. Turn it off and let the handler reset it. */
5782 int old_poll_suppress_count
= poll_suppress_count
;
5783 poll_suppress_count
= 1;
5784 poll_for_input_1 ();
5785 poll_suppress_count
= old_poll_suppress_count
;
5788 FRAME_SAMPLE_VISIBILITY (f
);
5792 /* Change from mapped state to withdrawn state. */
5794 /* Make the frame visible (mapped and not iconified). */
5796 x_make_frame_invisible (f
)
5799 /* Don't keep the highlight on an invisible frame. */
5800 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5801 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5805 my_show_window (f
, FRAME_W32_WINDOW (f
), SW_HIDE
);
5807 /* We can't distinguish this from iconification
5808 just by the event that we get from the server.
5809 So we can't win using the usual strategy of letting
5810 FRAME_SAMPLE_VISIBILITY set this. So do it by hand,
5811 and synchronize with the server to make sure we agree. */
5813 FRAME_ICONIFIED_P (f
) = 0;
5814 f
->async_visible
= 0;
5815 f
->async_iconified
= 0;
5820 /* Change window state from mapped to iconified. */
5828 /* Don't keep the highlight on an invisible frame. */
5829 if (FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
== f
)
5830 FRAME_W32_DISPLAY_INFO (f
)->x_highlight_frame
= 0;
5832 if (f
->async_iconified
)
5837 type
= x_icon_type (f
);
5839 x_bitmap_icon (f
, type
);
5841 /* Simulate the user minimizing the frame. */
5842 SendMessage (FRAME_W32_WINDOW (f
), WM_SYSCOMMAND
, SC_MINIMIZE
, 0);
5848 /* Free X resources of frame F. */
5851 x_free_frame_resources (f
)
5854 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5858 if (FRAME_W32_WINDOW (f
))
5859 my_destroy_window (f
, FRAME_W32_WINDOW (f
));
5861 free_frame_menubar (f
);
5863 unload_color (f
, f
->output_data
.x
->foreground_pixel
);
5864 unload_color (f
, f
->output_data
.x
->background_pixel
);
5865 unload_color (f
, f
->output_data
.w32
->cursor_pixel
);
5866 unload_color (f
, f
->output_data
.w32
->cursor_foreground_pixel
);
5867 unload_color (f
, f
->output_data
.w32
->border_pixel
);
5868 unload_color (f
, f
->output_data
.w32
->mouse_pixel
);
5869 if (f
->output_data
.w32
->white_relief
.allocated_p
)
5870 unload_color (f
, f
->output_data
.w32
->white_relief
.pixel
);
5871 if (f
->output_data
.w32
->black_relief
.allocated_p
)
5872 unload_color (f
, f
->output_data
.w32
->black_relief
.pixel
);
5874 if (FRAME_FACE_CACHE (f
))
5875 free_frame_faces (f
);
5877 xfree (f
->output_data
.w32
);
5878 f
->output_data
.w32
= NULL
;
5880 if (f
== dpyinfo
->w32_focus_frame
)
5881 dpyinfo
->w32_focus_frame
= 0;
5882 if (f
== dpyinfo
->w32_focus_event_frame
)
5883 dpyinfo
->w32_focus_event_frame
= 0;
5884 if (f
== dpyinfo
->x_highlight_frame
)
5885 dpyinfo
->x_highlight_frame
= 0;
5887 if (f
== dpyinfo
->mouse_face_mouse_frame
)
5889 dpyinfo
->mouse_face_beg_row
5890 = dpyinfo
->mouse_face_beg_col
= -1;
5891 dpyinfo
->mouse_face_end_row
5892 = dpyinfo
->mouse_face_end_col
= -1;
5893 dpyinfo
->mouse_face_window
= Qnil
;
5894 dpyinfo
->mouse_face_deferred_gc
= 0;
5895 dpyinfo
->mouse_face_mouse_frame
= 0;
5902 /* Destroy the window of frame F. */
5904 x_destroy_window (f
)
5907 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5909 x_free_frame_resources (f
);
5911 dpyinfo
->reference_count
--;
5915 /* Setting window manager hints. */
5917 /* Set the normal size hints for the window manager, for frame F.
5918 FLAGS is the flags word to use--or 0 meaning preserve the flags
5919 that the window now has.
5920 If USER_POSITION is nonzero, we set the USPosition
5921 flag (this is useful when FLAGS is 0). */
5923 x_wm_set_size_hint (f
, flags
, user_position
)
5928 Window window
= FRAME_W32_WINDOW (f
);
5932 SetWindowLong (window
, WND_FONTWIDTH_INDEX
, FRAME_COLUMN_WIDTH (f
));
5933 SetWindowLong (window
, WND_LINEHEIGHT_INDEX
, FRAME_LINE_HEIGHT (f
));
5934 SetWindowLong (window
, WND_BORDER_INDEX
, FRAME_INTERNAL_BORDER_WIDTH (f
));
5935 SetWindowLong (window
, WND_SCROLLBAR_INDEX
, f
->scroll_bar_actual_width
);
5940 /* Window manager things */
5942 x_wm_set_icon_position (f
, icon_x
, icon_y
)
5947 Window window
= FRAME_W32_WINDOW (f
);
5949 f
->display
.x
->wm_hints
.flags
|= IconPositionHint
;
5950 f
->display
.x
->wm_hints
.icon_x
= icon_x
;
5951 f
->display
.x
->wm_hints
.icon_y
= icon_y
;
5953 XSetWMHints (FRAME_X_DISPLAY (f
), window
, &f
->display
.x
->wm_hints
);
5958 /***********************************************************************
5960 ***********************************************************************/
5962 /* The following functions are listed here to help diff stay in step
5963 with xterm.c. See w32fns.c for definitions.
5965 x_get_font_info (f, font_idx)
5966 x_list_fonts (f, pattern, size, maxnames)
5972 /* Check that FONT is valid on frame F. It is if it can be found in F's
5976 x_check_font (f
, font
)
5981 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
5983 xassert (font
!= NULL
);
5985 for (i
= 0; i
< dpyinfo
->n_fonts
; i
++)
5986 if (dpyinfo
->font_table
[i
].name
5987 && font
== dpyinfo
->font_table
[i
].font
)
5990 xassert (i
< dpyinfo
->n_fonts
);
5993 #endif /* GLYPH_DEBUG != 0 */
5995 /* Set *W to the minimum width, *H to the minimum font height of FONT.
5996 Note: There are (broken) X fonts out there with invalid XFontStruct
5997 min_bounds contents. For example, handa@etl.go.jp reports that
5998 "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1" fonts
5999 have font->min_bounds.width == 0. */
6002 x_font_min_bounds (font
, w
, h
)
6007 * TODO: Windows does not appear to offer min bound, only
6008 * average and maximum width, and maximum height.
6010 *h
= FONT_HEIGHT (font
);
6011 *w
= FONT_WIDTH (font
);
6015 /* Compute the smallest character width and smallest font height over
6016 all fonts available on frame F. Set the members smallest_char_width
6017 and smallest_font_height in F's x_display_info structure to
6018 the values computed. Value is non-zero if smallest_font_height or
6019 smallest_char_width become smaller than they were before. */
6022 x_compute_min_glyph_bounds (f
)
6026 struct w32_display_info
*dpyinfo
= FRAME_W32_DISPLAY_INFO (f
);
6028 int old_width
= dpyinfo
->smallest_char_width
;
6029 int old_height
= dpyinfo
->smallest_font_height
;
6031 dpyinfo
->smallest_font_height
= 100000;
6032 dpyinfo
->smallest_char_width
= 100000;
6034 for (i
= 0; i
< dpyinfo
->n_fonts
; ++i
)
6035 if (dpyinfo
->font_table
[i
].name
)
6037 struct font_info
*fontp
= dpyinfo
->font_table
+ i
;
6040 font
= (XFontStruct
*) fontp
->font
;
6041 xassert (font
!= (XFontStruct
*) ~0);
6042 x_font_min_bounds (font
, &w
, &h
);
6044 dpyinfo
->smallest_font_height
= min (dpyinfo
->smallest_font_height
, h
);
6045 dpyinfo
->smallest_char_width
= min (dpyinfo
->smallest_char_width
, w
);
6048 xassert (dpyinfo
->smallest_char_width
> 0
6049 && dpyinfo
->smallest_font_height
> 0);
6051 return (dpyinfo
->n_fonts
== 1
6052 || dpyinfo
->smallest_char_width
< old_width
6053 || dpyinfo
->smallest_font_height
< old_height
);
6056 /* The following functions are listed here to help diff stay in step
6057 with xterm.c. See w32fns.c for definitions.
6059 x_load_font (f, fontname, size)
6060 x_query_font (f, fontname)
6061 x_find_ccl_program (fontp)
6065 /***********************************************************************
6067 ***********************************************************************/
6069 static int w32_initialized
= 0;
6072 w32_initialize_display_info (display_name
)
6073 Lisp_Object display_name
;
6075 struct w32_display_info
*dpyinfo
= &one_w32_display_info
;
6077 bzero (dpyinfo
, sizeof (*dpyinfo
));
6079 /* Put it on w32_display_name_list. */
6080 w32_display_name_list
= Fcons (Fcons (display_name
, Qnil
),
6081 w32_display_name_list
);
6082 dpyinfo
->name_list_element
= XCAR (w32_display_name_list
);
6084 dpyinfo
->w32_id_name
6085 = (char *) xmalloc (SCHARS (Vinvocation_name
)
6086 + SCHARS (Vsystem_name
)
6088 sprintf (dpyinfo
->w32_id_name
, "%s@%s",
6089 SDATA (Vinvocation_name
), SDATA (Vsystem_name
));
6091 /* Default Console mode values - overridden when running in GUI mode
6092 with values obtained from system metrics. */
6095 dpyinfo
->height_in
= 1;
6096 dpyinfo
->width_in
= 1;
6097 dpyinfo
->n_planes
= 1;
6098 dpyinfo
->n_cbits
= 4;
6099 dpyinfo
->n_fonts
= 0;
6100 dpyinfo
->smallest_font_height
= 1;
6101 dpyinfo
->smallest_char_width
= 1;
6103 dpyinfo
->mouse_face_beg_row
= dpyinfo
->mouse_face_beg_col
= -1;
6104 dpyinfo
->mouse_face_end_row
= dpyinfo
->mouse_face_end_col
= -1;
6105 dpyinfo
->mouse_face_face_id
= DEFAULT_FACE_ID
;
6106 dpyinfo
->mouse_face_window
= Qnil
;
6107 dpyinfo
->mouse_face_overlay
= Qnil
;
6108 dpyinfo
->mouse_face_hidden
= 0;
6110 dpyinfo
->vertical_scroll_bar_cursor
= w32_load_cursor (IDC_ARROW
);
6111 /* TODO: dpyinfo->gray */
6115 /* Create an xrdb-style database of resources to supercede registry settings.
6116 The database is just a concatenation of C strings, finished by an additional
6117 \0. The string are submitted to some basic normalization, so
6119 [ *]option[ *]:[ *]value...
6125 but any whitespace following value is not removed. */
6128 w32_make_rdb (xrm_option
)
6131 char *buffer
= xmalloc (strlen (xrm_option
) + 2);
6132 char *current
= buffer
;
6135 int before_value
= 0;
6149 if (in_option
&& (ch
== ':'))
6154 else if (before_value
)
6159 else if (!(in_option
|| before_value
))
6170 struct w32_display_info
*
6171 w32_term_init (display_name
, xrm_option
, resource_name
)
6172 Lisp_Object display_name
;
6174 char *resource_name
;
6176 struct w32_display_info
*dpyinfo
;
6181 if (!w32_initialized
)
6184 w32_initialized
= 1;
6187 w32_initialize_display_info (display_name
);
6189 dpyinfo
= &one_w32_display_info
;
6191 dpyinfo
->xrdb
= xrm_option
? w32_make_rdb (xrm_option
) : NULL
;
6193 /* Put this display on the chain. */
6194 dpyinfo
->next
= x_display_list
;
6195 x_display_list
= dpyinfo
;
6197 hdc
= GetDC (GetDesktopWindow ());
6199 dpyinfo
->height
= GetDeviceCaps (hdc
, VERTRES
);
6200 dpyinfo
->width
= GetDeviceCaps (hdc
, HORZRES
);
6201 dpyinfo
->root_window
= GetDesktopWindow ();
6202 dpyinfo
->n_planes
= GetDeviceCaps (hdc
, PLANES
);
6203 dpyinfo
->n_cbits
= GetDeviceCaps (hdc
, BITSPIXEL
);
6204 dpyinfo
->resx
= GetDeviceCaps (hdc
, LOGPIXELSX
);
6205 dpyinfo
->resy
= GetDeviceCaps (hdc
, LOGPIXELSY
);
6206 dpyinfo
->has_palette
= GetDeviceCaps (hdc
, RASTERCAPS
) & RC_PALETTE
;
6207 dpyinfo
->image_cache
= make_image_cache ();
6208 dpyinfo
->height_in
= dpyinfo
->height
/ dpyinfo
->resx
;
6209 dpyinfo
->width_in
= dpyinfo
->width
/ dpyinfo
->resy
;
6210 ReleaseDC (GetDesktopWindow (), hdc
);
6212 /* initialise palette with white and black */
6215 w32_defined_color (0, "white", &color
, 1);
6216 w32_defined_color (0, "black", &color
, 1);
6219 /* Create Fringe Bitmaps and store them for later use.
6221 On W32, bitmaps are all unsigned short, as Windows requires
6222 bitmap data to be Word aligned. For some reason they are
6223 horizontally reflected compared to how they appear on X, so we
6224 need to bitswap and convert to unsigned shorts before creating
6229 for (i
= NO_FRINGE_BITMAP
+ 1; i
< MAX_FRINGE_BITMAPS
; i
++)
6231 int h
= fringe_bitmaps
[i
].height
;
6232 int wd
= fringe_bitmaps
[i
].width
;
6233 unsigned short *w32bits
6234 = (unsigned short *)alloca (h
* sizeof (unsigned short));
6235 unsigned short *wb
= w32bits
;
6236 unsigned char *bits
= fringe_bitmaps
[i
].bits
;
6237 for (j
= 0; j
< h
; j
++)
6239 static unsigned char swap_nibble
[16]
6240 = { 0x0, 0x8, 0x4, 0xc, /* 0000 1000 0100 1100 */
6241 0x2, 0xa, 0x6, 0xe, /* 0010 1010 0110 1110 */
6242 0x1, 0x9, 0x5, 0xd, /* 0001 1001 0101 1101 */
6243 0x3, 0xb, 0x7, 0xf }; /* 0011 1011 0111 1111 */
6245 unsigned char b
= *bits
++;
6246 *wb
++ = (unsigned short)((swap_nibble
[b
& 0xf]<<4)
6247 | (swap_nibble
[(b
>>4) & 0xf]));
6249 fringe_bmp
[i
] = CreateBitmap (wd
, h
, 1, 1, w32bits
);
6253 #ifndef F_SETOWN_BUG
6255 #ifdef F_SETOWN_SOCK_NEG
6256 /* stdin is a socket here */
6257 fcntl (connection
, F_SETOWN
, -getpid ());
6258 #else /* ! defined (F_SETOWN_SOCK_NEG) */
6259 fcntl (connection
, F_SETOWN
, getpid ());
6260 #endif /* ! defined (F_SETOWN_SOCK_NEG) */
6261 #endif /* ! defined (F_SETOWN) */
6262 #endif /* F_SETOWN_BUG */
6265 if (interrupt_input
)
6266 init_sigio (connection
);
6267 #endif /* ! defined (SIGIO) */
6274 /* Get rid of display DPYINFO, assuming all frames are already gone. */
6277 x_delete_display (dpyinfo
)
6278 struct w32_display_info
*dpyinfo
;
6280 /* Discard this display from w32_display_name_list and w32_display_list.
6281 We can't use Fdelq because that can quit. */
6282 if (! NILP (w32_display_name_list
)
6283 && EQ (XCAR (w32_display_name_list
), dpyinfo
->name_list_element
))
6284 w32_display_name_list
= XCDR (w32_display_name_list
);
6289 tail
= w32_display_name_list
;
6290 while (CONSP (tail
) && CONSP (XCDR (tail
)))
6292 if (EQ (XCAR (XCDR (tail
)), dpyinfo
->name_list_element
))
6294 XSETCDR (tail
, XCDR (XCDR (tail
)));
6301 /* free palette table */
6303 struct w32_palette_entry
* plist
;
6305 plist
= dpyinfo
->color_list
;
6308 struct w32_palette_entry
* pentry
= plist
;
6309 plist
= plist
->next
;
6312 dpyinfo
->color_list
= NULL
;
6313 if (dpyinfo
->palette
)
6314 DeleteObject(dpyinfo
->palette
);
6316 xfree (dpyinfo
->font_table
);
6317 xfree (dpyinfo
->w32_id_name
);
6319 /* Destroy row bitmaps. */
6323 for (i
= NO_FRINGE_BITMAP
+ 1; i
< MAX_FRINGE_BITMAPS
; i
++)
6324 DeleteObject (fringe_bmp
[i
]);
6328 /* Set up use of W32. */
6330 DWORD
w32_msg_worker ();
6333 x_flush (struct frame
* f
)
6334 { /* Nothing to do */ }
6336 extern frame_parm_handler w32_frame_parm_handlers
[];
6338 static struct redisplay_interface w32_redisplay_interface
=
6340 w32_frame_parm_handlers
,
6344 x_clear_end_of_line
,
6346 x_after_update_window_line
,
6347 x_update_window_begin
,
6348 x_update_window_end
,
6351 0, /* flush_display_optional */
6352 x_clear_window_mouse_face
,
6353 w32_get_glyph_overhangs
,
6354 x_fix_overlapping_area
,
6355 w32_draw_fringe_bitmap
,
6356 w32_per_char_metric
,
6358 NULL
, /* w32_compute_glyph_string_overhangs */
6359 x_draw_glyph_string
,
6360 w32_define_frame_cursor
,
6361 w32_clear_frame_area
,
6362 w32_draw_window_cursor
,
6363 w32_draw_vertical_window_border
,
6364 w32_shift_glyphs_for_insert
6370 rif
= &w32_redisplay_interface
;
6372 /* MSVC does not type K&R functions with no arguments correctly, and
6373 so we must explicitly cast them. */
6374 clear_frame_hook
= (void (*)(void)) x_clear_frame
;
6375 ring_bell_hook
= (void (*)(void)) w32_ring_bell
;
6376 update_begin_hook
= x_update_begin
;
6377 update_end_hook
= x_update_end
;
6379 read_socket_hook
= w32_read_socket
;
6381 frame_up_to_date_hook
= w32_frame_up_to_date
;
6383 mouse_position_hook
= w32_mouse_position
;
6384 frame_rehighlight_hook
= w32_frame_rehighlight
;
6385 frame_raise_lower_hook
= w32_frame_raise_lower
;
6386 set_vertical_scroll_bar_hook
= w32_set_vertical_scroll_bar
;
6387 condemn_scroll_bars_hook
= w32_condemn_scroll_bars
;
6388 redeem_scroll_bar_hook
= w32_redeem_scroll_bar
;
6389 judge_scroll_bars_hook
= w32_judge_scroll_bars
;
6391 scroll_region_ok
= 1; /* we'll scroll partial frames */
6392 char_ins_del_ok
= 1;
6393 line_ins_del_ok
= 1; /* we'll just blt 'em */
6394 fast_clear_end_of_line
= 1; /* X does this well */
6395 memory_below_frame
= 0; /* we don't remember what scrolls
6399 w32_system_caret_hwnd
= NULL
;
6400 w32_system_caret_height
= 0;
6401 w32_system_caret_x
= 0;
6402 w32_system_caret_y
= 0;
6404 last_tool_bar_item
= -1;
6405 any_help_event_p
= 0;
6407 /* Initialize input mode: interrupt_input off, no flow control, allow
6408 8 bit character input, standard quit char. */
6409 Fset_input_mode (Qnil
, Qnil
, make_number (2), Qnil
);
6411 /* Create the window thread - it will terminate itself or when the app terminates */
6415 dwMainThreadId
= GetCurrentThreadId ();
6416 DuplicateHandle (GetCurrentProcess (), GetCurrentThread (),
6417 GetCurrentProcess (), &hMainThread
, 0, TRUE
, DUPLICATE_SAME_ACCESS
);
6419 /* Wait for thread to start */
6424 PeekMessage (&msg
, NULL
, 0, 0, PM_NOREMOVE
);
6426 hWindowsThread
= CreateThread (NULL
, 0,
6427 (LPTHREAD_START_ROUTINE
) w32_msg_worker
,
6428 0, 0, &dwWindowsThreadId
);
6430 GetMessage (&msg
, NULL
, WM_EMACS_DONE
, WM_EMACS_DONE
);
6433 /* It is desirable that mainThread should have the same notion of
6434 focus window and active window as windowsThread. Unfortunately, the
6435 following call to AttachThreadInput, which should do precisely what
6436 we need, causes major problems when Emacs is linked as a console
6437 program. Unfortunately, we have good reasons for doing that, so
6438 instead we need to send messages to windowsThread to make some API
6439 calls for us (ones that affect, or depend on, the active/focus
6441 #ifdef ATTACH_THREADS
6442 AttachThreadInput (dwMainThreadId
, dwWindowsThreadId
, TRUE
);
6445 /* Dynamically link to optional system components. */
6447 HANDLE user_lib
= LoadLibrary ("user32.dll");
6449 #define LOAD_PROC(fn) pfn##fn = (void *) GetProcAddress (user_lib, #fn)
6451 /* New proportional scroll bar functions. */
6452 LOAD_PROC (SetScrollInfo
);
6453 LOAD_PROC (GetScrollInfo
);
6457 FreeLibrary (user_lib
);
6459 /* If using proportional scroll bars, ensure handle is at least 5 pixels;
6460 otherwise use the fixed height. */
6461 vertical_scroll_bar_min_handle
= (pfnSetScrollInfo
!= NULL
) ? 5 :
6462 GetSystemMetrics (SM_CYVTHUMB
);
6464 /* For either kind of scroll bar, take account of the arrows; these
6465 effectively form the border of the main scroll bar range. */
6466 vertical_scroll_bar_top_border
= vertical_scroll_bar_bottom_border
6467 = GetSystemMetrics (SM_CYVSCROLL
);
6474 staticpro (&w32_display_name_list
);
6475 w32_display_name_list
= Qnil
;
6477 staticpro (&last_mouse_scroll_bar
);
6478 last_mouse_scroll_bar
= Qnil
;
6480 staticpro (&Qvendor_specific_keysyms
);
6481 Qvendor_specific_keysyms
= intern ("vendor-specific-keysyms");
6483 DEFVAR_INT ("w32-num-mouse-buttons",
6484 &Vw32_num_mouse_buttons
,
6485 doc
: /* Number of physical mouse buttons. */);
6486 Vw32_num_mouse_buttons
= Qnil
;
6488 DEFVAR_LISP ("w32-swap-mouse-buttons",
6489 &Vw32_swap_mouse_buttons
,
6490 doc
: /* Swap the mapping of middle and right mouse buttons.
6491 When nil, middle button is mouse-2 and right button is mouse-3. */);
6492 Vw32_swap_mouse_buttons
= Qnil
;
6494 DEFVAR_LISP ("w32-grab-focus-on-raise",
6495 &Vw32_grab_focus_on_raise
,
6496 doc
: /* Raised frame grabs input focus.
6497 When t, `raise-frame' grabs input focus as well. This fits well
6498 with the normal Windows click-to-focus policy, but might not be
6499 desirable when using a point-to-focus policy. */);
6500 Vw32_grab_focus_on_raise
= Qt
;
6502 DEFVAR_LISP ("w32-capslock-is-shiftlock",
6503 &Vw32_capslock_is_shiftlock
,
6504 doc
: /* Apply CapsLock state to non character input keys.
6505 When nil, CapsLock only affects normal character input keys. */);
6506 Vw32_capslock_is_shiftlock
= Qnil
;
6508 DEFVAR_LISP ("w32-recognize-altgr",
6509 &Vw32_recognize_altgr
,
6510 doc
: /* Recognize right-alt and left-ctrl as AltGr.
6511 When nil, the right-alt and left-ctrl key combination is
6512 interpreted normally. */);
6513 Vw32_recognize_altgr
= Qt
;
6515 DEFVAR_BOOL ("w32-enable-unicode-output",
6516 &w32_enable_unicode_output
,
6517 doc
: /* Enable the use of Unicode for text output if non-nil.
6518 Unicode output may prevent some third party applications for displaying
6519 Far-East Languages on Windows 95/98 from working properly.
6520 NT uses Unicode internally anyway, so this flag will probably have no
6521 affect on NT machines. */);
6522 w32_enable_unicode_output
= 1;
6524 DEFVAR_BOOL ("w32-use-visible-system-caret",
6525 &w32_use_visible_system_caret
,
6526 doc
: /* Flag to make the system caret visible.
6527 When this is non-nil, Emacs will indicate the position of point by
6528 using the system caret instead of drawing its own cursor. Some screen
6529 reader software does not track the system cursor properly when it is
6530 invisible, and gets confused by Emacs drawing its own cursor, so this
6531 variable is initialized to t when Emacs detects that screen reader
6532 software is running as it starts up.
6534 When this variable is set, other variables affecting the appearance of
6535 the cursor have no effect. */);
6537 /* Initialize w32_use_visible_system_caret based on whether a screen
6538 reader is in use. */
6539 if (!SystemParametersInfo (SPI_GETSCREENREADER
, 0,
6540 &w32_use_visible_system_caret
, 0))
6541 w32_use_visible_system_caret
= 0;
6543 DEFVAR_LISP ("x-toolkit-scroll-bars", &Vx_toolkit_scroll_bars
,
6544 doc
: /* If not nil, Emacs uses toolkit scroll bars. */);
6545 Vx_toolkit_scroll_bars
= Qt
;
6547 staticpro (&last_mouse_motion_frame
);
6548 last_mouse_motion_frame
= Qnil
;